File: | src/gnu/usr.bin/clang/libclangSema/../../../llvm/clang/lib/Sema/SemaOpenMP.cpp |
Warning: | line 2215, column 54 Access to field 'OpenMPLevel' results in a dereference of a null pointer (loaded from variable 'CSI') |
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1 | //===--- SemaOpenMP.cpp - Semantic Analysis for OpenMP constructs ---------===// | ||||||||
2 | // | ||||||||
3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | ||||||||
4 | // See https://llvm.org/LICENSE.txt for license information. | ||||||||
5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | ||||||||
6 | // | ||||||||
7 | //===----------------------------------------------------------------------===// | ||||||||
8 | /// \file | ||||||||
9 | /// This file implements semantic analysis for OpenMP directives and | ||||||||
10 | /// clauses. | ||||||||
11 | /// | ||||||||
12 | //===----------------------------------------------------------------------===// | ||||||||
13 | |||||||||
14 | #include "TreeTransform.h" | ||||||||
15 | #include "clang/AST/ASTContext.h" | ||||||||
16 | #include "clang/AST/ASTMutationListener.h" | ||||||||
17 | #include "clang/AST/CXXInheritance.h" | ||||||||
18 | #include "clang/AST/Decl.h" | ||||||||
19 | #include "clang/AST/DeclCXX.h" | ||||||||
20 | #include "clang/AST/DeclOpenMP.h" | ||||||||
21 | #include "clang/AST/OpenMPClause.h" | ||||||||
22 | #include "clang/AST/StmtCXX.h" | ||||||||
23 | #include "clang/AST/StmtOpenMP.h" | ||||||||
24 | #include "clang/AST/StmtVisitor.h" | ||||||||
25 | #include "clang/AST/TypeOrdering.h" | ||||||||
26 | #include "clang/Basic/DiagnosticSema.h" | ||||||||
27 | #include "clang/Basic/OpenMPKinds.h" | ||||||||
28 | #include "clang/Basic/PartialDiagnostic.h" | ||||||||
29 | #include "clang/Basic/TargetInfo.h" | ||||||||
30 | #include "clang/Sema/Initialization.h" | ||||||||
31 | #include "clang/Sema/Lookup.h" | ||||||||
32 | #include "clang/Sema/Scope.h" | ||||||||
33 | #include "clang/Sema/ScopeInfo.h" | ||||||||
34 | #include "clang/Sema/SemaInternal.h" | ||||||||
35 | #include "llvm/ADT/IndexedMap.h" | ||||||||
36 | #include "llvm/ADT/PointerEmbeddedInt.h" | ||||||||
37 | #include "llvm/ADT/STLExtras.h" | ||||||||
38 | #include "llvm/ADT/StringExtras.h" | ||||||||
39 | #include "llvm/Frontend/OpenMP/OMPConstants.h" | ||||||||
40 | #include <set> | ||||||||
41 | |||||||||
42 | using namespace clang; | ||||||||
43 | using namespace llvm::omp; | ||||||||
44 | |||||||||
45 | //===----------------------------------------------------------------------===// | ||||||||
46 | // Stack of data-sharing attributes for variables | ||||||||
47 | //===----------------------------------------------------------------------===// | ||||||||
48 | |||||||||
49 | static const Expr *checkMapClauseExpressionBase( | ||||||||
50 | Sema &SemaRef, Expr *E, | ||||||||
51 | OMPClauseMappableExprCommon::MappableExprComponentList &CurComponents, | ||||||||
52 | OpenMPClauseKind CKind, OpenMPDirectiveKind DKind, bool NoDiagnose); | ||||||||
53 | |||||||||
54 | namespace { | ||||||||
55 | /// Default data sharing attributes, which can be applied to directive. | ||||||||
56 | enum DefaultDataSharingAttributes { | ||||||||
57 | DSA_unspecified = 0, /// Data sharing attribute not specified. | ||||||||
58 | DSA_none = 1 << 0, /// Default data sharing attribute 'none'. | ||||||||
59 | DSA_shared = 1 << 1, /// Default data sharing attribute 'shared'. | ||||||||
60 | DSA_firstprivate = 1 << 2, /// Default data sharing attribute 'firstprivate'. | ||||||||
61 | }; | ||||||||
62 | |||||||||
63 | /// Stack for tracking declarations used in OpenMP directives and | ||||||||
64 | /// clauses and their data-sharing attributes. | ||||||||
65 | class DSAStackTy { | ||||||||
66 | public: | ||||||||
67 | struct DSAVarData { | ||||||||
68 | OpenMPDirectiveKind DKind = OMPD_unknown; | ||||||||
69 | OpenMPClauseKind CKind = OMPC_unknown; | ||||||||
70 | unsigned Modifier = 0; | ||||||||
71 | const Expr *RefExpr = nullptr; | ||||||||
72 | DeclRefExpr *PrivateCopy = nullptr; | ||||||||
73 | SourceLocation ImplicitDSALoc; | ||||||||
74 | bool AppliedToPointee = false; | ||||||||
75 | DSAVarData() = default; | ||||||||
76 | DSAVarData(OpenMPDirectiveKind DKind, OpenMPClauseKind CKind, | ||||||||
77 | const Expr *RefExpr, DeclRefExpr *PrivateCopy, | ||||||||
78 | SourceLocation ImplicitDSALoc, unsigned Modifier, | ||||||||
79 | bool AppliedToPointee) | ||||||||
80 | : DKind(DKind), CKind(CKind), Modifier(Modifier), RefExpr(RefExpr), | ||||||||
81 | PrivateCopy(PrivateCopy), ImplicitDSALoc(ImplicitDSALoc), | ||||||||
82 | AppliedToPointee(AppliedToPointee) {} | ||||||||
83 | }; | ||||||||
84 | using OperatorOffsetTy = | ||||||||
85 | llvm::SmallVector<std::pair<Expr *, OverloadedOperatorKind>, 4>; | ||||||||
86 | using DoacrossDependMapTy = | ||||||||
87 | llvm::DenseMap<OMPDependClause *, OperatorOffsetTy>; | ||||||||
88 | /// Kind of the declaration used in the uses_allocators clauses. | ||||||||
89 | enum class UsesAllocatorsDeclKind { | ||||||||
90 | /// Predefined allocator | ||||||||
91 | PredefinedAllocator, | ||||||||
92 | /// User-defined allocator | ||||||||
93 | UserDefinedAllocator, | ||||||||
94 | /// The declaration that represent allocator trait | ||||||||
95 | AllocatorTrait, | ||||||||
96 | }; | ||||||||
97 | |||||||||
98 | private: | ||||||||
99 | struct DSAInfo { | ||||||||
100 | OpenMPClauseKind Attributes = OMPC_unknown; | ||||||||
101 | unsigned Modifier = 0; | ||||||||
102 | /// Pointer to a reference expression and a flag which shows that the | ||||||||
103 | /// variable is marked as lastprivate(true) or not (false). | ||||||||
104 | llvm::PointerIntPair<const Expr *, 1, bool> RefExpr; | ||||||||
105 | DeclRefExpr *PrivateCopy = nullptr; | ||||||||
106 | /// true if the attribute is applied to the pointee, not the variable | ||||||||
107 | /// itself. | ||||||||
108 | bool AppliedToPointee = false; | ||||||||
109 | }; | ||||||||
110 | using DeclSAMapTy = llvm::SmallDenseMap<const ValueDecl *, DSAInfo, 8>; | ||||||||
111 | using UsedRefMapTy = llvm::SmallDenseMap<const ValueDecl *, const Expr *, 8>; | ||||||||
112 | using LCDeclInfo = std::pair<unsigned, VarDecl *>; | ||||||||
113 | using LoopControlVariablesMapTy = | ||||||||
114 | llvm::SmallDenseMap<const ValueDecl *, LCDeclInfo, 8>; | ||||||||
115 | /// Struct that associates a component with the clause kind where they are | ||||||||
116 | /// found. | ||||||||
117 | struct MappedExprComponentTy { | ||||||||
118 | OMPClauseMappableExprCommon::MappableExprComponentLists Components; | ||||||||
119 | OpenMPClauseKind Kind = OMPC_unknown; | ||||||||
120 | }; | ||||||||
121 | using MappedExprComponentsTy = | ||||||||
122 | llvm::DenseMap<const ValueDecl *, MappedExprComponentTy>; | ||||||||
123 | using CriticalsWithHintsTy = | ||||||||
124 | llvm::StringMap<std::pair<const OMPCriticalDirective *, llvm::APSInt>>; | ||||||||
125 | struct ReductionData { | ||||||||
126 | using BOKPtrType = llvm::PointerEmbeddedInt<BinaryOperatorKind, 16>; | ||||||||
127 | SourceRange ReductionRange; | ||||||||
128 | llvm::PointerUnion<const Expr *, BOKPtrType> ReductionOp; | ||||||||
129 | ReductionData() = default; | ||||||||
130 | void set(BinaryOperatorKind BO, SourceRange RR) { | ||||||||
131 | ReductionRange = RR; | ||||||||
132 | ReductionOp = BO; | ||||||||
133 | } | ||||||||
134 | void set(const Expr *RefExpr, SourceRange RR) { | ||||||||
135 | ReductionRange = RR; | ||||||||
136 | ReductionOp = RefExpr; | ||||||||
137 | } | ||||||||
138 | }; | ||||||||
139 | using DeclReductionMapTy = | ||||||||
140 | llvm::SmallDenseMap<const ValueDecl *, ReductionData, 4>; | ||||||||
141 | struct DefaultmapInfo { | ||||||||
142 | OpenMPDefaultmapClauseModifier ImplicitBehavior = | ||||||||
143 | OMPC_DEFAULTMAP_MODIFIER_unknown; | ||||||||
144 | SourceLocation SLoc; | ||||||||
145 | DefaultmapInfo() = default; | ||||||||
146 | DefaultmapInfo(OpenMPDefaultmapClauseModifier M, SourceLocation Loc) | ||||||||
147 | : ImplicitBehavior(M), SLoc(Loc) {} | ||||||||
148 | }; | ||||||||
149 | |||||||||
150 | struct SharingMapTy { | ||||||||
151 | DeclSAMapTy SharingMap; | ||||||||
152 | DeclReductionMapTy ReductionMap; | ||||||||
153 | UsedRefMapTy AlignedMap; | ||||||||
154 | UsedRefMapTy NontemporalMap; | ||||||||
155 | MappedExprComponentsTy MappedExprComponents; | ||||||||
156 | LoopControlVariablesMapTy LCVMap; | ||||||||
157 | DefaultDataSharingAttributes DefaultAttr = DSA_unspecified; | ||||||||
158 | SourceLocation DefaultAttrLoc; | ||||||||
159 | DefaultmapInfo DefaultmapMap[OMPC_DEFAULTMAP_unknown]; | ||||||||
160 | OpenMPDirectiveKind Directive = OMPD_unknown; | ||||||||
161 | DeclarationNameInfo DirectiveName; | ||||||||
162 | Scope *CurScope = nullptr; | ||||||||
163 | DeclContext *Context = nullptr; | ||||||||
164 | SourceLocation ConstructLoc; | ||||||||
165 | /// Set of 'depend' clauses with 'sink|source' dependence kind. Required to | ||||||||
166 | /// get the data (loop counters etc.) about enclosing loop-based construct. | ||||||||
167 | /// This data is required during codegen. | ||||||||
168 | DoacrossDependMapTy DoacrossDepends; | ||||||||
169 | /// First argument (Expr *) contains optional argument of the | ||||||||
170 | /// 'ordered' clause, the second one is true if the regions has 'ordered' | ||||||||
171 | /// clause, false otherwise. | ||||||||
172 | llvm::Optional<std::pair<const Expr *, OMPOrderedClause *>> OrderedRegion; | ||||||||
173 | unsigned AssociatedLoops = 1; | ||||||||
174 | bool HasMutipleLoops = false; | ||||||||
175 | const Decl *PossiblyLoopCounter = nullptr; | ||||||||
176 | bool NowaitRegion = false; | ||||||||
177 | bool CancelRegion = false; | ||||||||
178 | bool LoopStart = false; | ||||||||
179 | bool BodyComplete = false; | ||||||||
180 | SourceLocation PrevScanLocation; | ||||||||
181 | SourceLocation PrevOrderedLocation; | ||||||||
182 | SourceLocation InnerTeamsRegionLoc; | ||||||||
183 | /// Reference to the taskgroup task_reduction reference expression. | ||||||||
184 | Expr *TaskgroupReductionRef = nullptr; | ||||||||
185 | llvm::DenseSet<QualType> MappedClassesQualTypes; | ||||||||
186 | SmallVector<Expr *, 4> InnerUsedAllocators; | ||||||||
187 | llvm::DenseSet<CanonicalDeclPtr<Decl>> ImplicitTaskFirstprivates; | ||||||||
188 | /// List of globals marked as declare target link in this target region | ||||||||
189 | /// (isOpenMPTargetExecutionDirective(Directive) == true). | ||||||||
190 | llvm::SmallVector<DeclRefExpr *, 4> DeclareTargetLinkVarDecls; | ||||||||
191 | /// List of decls used in inclusive/exclusive clauses of the scan directive. | ||||||||
192 | llvm::DenseSet<CanonicalDeclPtr<Decl>> UsedInScanDirective; | ||||||||
193 | llvm::DenseMap<CanonicalDeclPtr<const Decl>, UsesAllocatorsDeclKind> | ||||||||
194 | UsesAllocatorsDecls; | ||||||||
195 | Expr *DeclareMapperVar = nullptr; | ||||||||
196 | SharingMapTy(OpenMPDirectiveKind DKind, DeclarationNameInfo Name, | ||||||||
197 | Scope *CurScope, SourceLocation Loc) | ||||||||
198 | : Directive(DKind), DirectiveName(Name), CurScope(CurScope), | ||||||||
199 | ConstructLoc(Loc) {} | ||||||||
200 | SharingMapTy() = default; | ||||||||
201 | }; | ||||||||
202 | |||||||||
203 | using StackTy = SmallVector<SharingMapTy, 4>; | ||||||||
204 | |||||||||
205 | /// Stack of used declaration and their data-sharing attributes. | ||||||||
206 | DeclSAMapTy Threadprivates; | ||||||||
207 | const FunctionScopeInfo *CurrentNonCapturingFunctionScope = nullptr; | ||||||||
208 | SmallVector<std::pair<StackTy, const FunctionScopeInfo *>, 4> Stack; | ||||||||
209 | /// true, if check for DSA must be from parent directive, false, if | ||||||||
210 | /// from current directive. | ||||||||
211 | OpenMPClauseKind ClauseKindMode = OMPC_unknown; | ||||||||
212 | Sema &SemaRef; | ||||||||
213 | bool ForceCapturing = false; | ||||||||
214 | /// true if all the variables in the target executable directives must be | ||||||||
215 | /// captured by reference. | ||||||||
216 | bool ForceCaptureByReferenceInTargetExecutable = false; | ||||||||
217 | CriticalsWithHintsTy Criticals; | ||||||||
218 | unsigned IgnoredStackElements = 0; | ||||||||
219 | |||||||||
220 | /// Iterators over the stack iterate in order from innermost to outermost | ||||||||
221 | /// directive. | ||||||||
222 | using const_iterator = StackTy::const_reverse_iterator; | ||||||||
223 | const_iterator begin() const { | ||||||||
224 | return Stack.empty() ? const_iterator() | ||||||||
225 | : Stack.back().first.rbegin() + IgnoredStackElements; | ||||||||
226 | } | ||||||||
227 | const_iterator end() const { | ||||||||
228 | return Stack.empty() ? const_iterator() : Stack.back().first.rend(); | ||||||||
229 | } | ||||||||
230 | using iterator = StackTy::reverse_iterator; | ||||||||
231 | iterator begin() { | ||||||||
232 | return Stack.empty() ? iterator() | ||||||||
233 | : Stack.back().first.rbegin() + IgnoredStackElements; | ||||||||
234 | } | ||||||||
235 | iterator end() { | ||||||||
236 | return Stack.empty() ? iterator() : Stack.back().first.rend(); | ||||||||
237 | } | ||||||||
238 | |||||||||
239 | // Convenience operations to get at the elements of the stack. | ||||||||
240 | |||||||||
241 | bool isStackEmpty() const { | ||||||||
242 | return Stack.empty() || | ||||||||
243 | Stack.back().second != CurrentNonCapturingFunctionScope || | ||||||||
244 | Stack.back().first.size() <= IgnoredStackElements; | ||||||||
245 | } | ||||||||
246 | size_t getStackSize() const { | ||||||||
247 | return isStackEmpty() ? 0 | ||||||||
248 | : Stack.back().first.size() - IgnoredStackElements; | ||||||||
249 | } | ||||||||
250 | |||||||||
251 | SharingMapTy *getTopOfStackOrNull() { | ||||||||
252 | size_t Size = getStackSize(); | ||||||||
253 | if (Size == 0) | ||||||||
254 | return nullptr; | ||||||||
255 | return &Stack.back().first[Size - 1]; | ||||||||
256 | } | ||||||||
257 | const SharingMapTy *getTopOfStackOrNull() const { | ||||||||
258 | return const_cast<DSAStackTy&>(*this).getTopOfStackOrNull(); | ||||||||
259 | } | ||||||||
260 | SharingMapTy &getTopOfStack() { | ||||||||
261 | assert(!isStackEmpty() && "no current directive")((void)0); | ||||||||
262 | return *getTopOfStackOrNull(); | ||||||||
263 | } | ||||||||
264 | const SharingMapTy &getTopOfStack() const { | ||||||||
265 | return const_cast<DSAStackTy&>(*this).getTopOfStack(); | ||||||||
266 | } | ||||||||
267 | |||||||||
268 | SharingMapTy *getSecondOnStackOrNull() { | ||||||||
269 | size_t Size = getStackSize(); | ||||||||
270 | if (Size <= 1) | ||||||||
271 | return nullptr; | ||||||||
272 | return &Stack.back().first[Size - 2]; | ||||||||
273 | } | ||||||||
274 | const SharingMapTy *getSecondOnStackOrNull() const { | ||||||||
275 | return const_cast<DSAStackTy&>(*this).getSecondOnStackOrNull(); | ||||||||
276 | } | ||||||||
277 | |||||||||
278 | /// Get the stack element at a certain level (previously returned by | ||||||||
279 | /// \c getNestingLevel). | ||||||||
280 | /// | ||||||||
281 | /// Note that nesting levels count from outermost to innermost, and this is | ||||||||
282 | /// the reverse of our iteration order where new inner levels are pushed at | ||||||||
283 | /// the front of the stack. | ||||||||
284 | SharingMapTy &getStackElemAtLevel(unsigned Level) { | ||||||||
285 | assert(Level < getStackSize() && "no such stack element")((void)0); | ||||||||
286 | return Stack.back().first[Level]; | ||||||||
287 | } | ||||||||
288 | const SharingMapTy &getStackElemAtLevel(unsigned Level) const { | ||||||||
289 | return const_cast<DSAStackTy&>(*this).getStackElemAtLevel(Level); | ||||||||
290 | } | ||||||||
291 | |||||||||
292 | DSAVarData getDSA(const_iterator &Iter, ValueDecl *D) const; | ||||||||
293 | |||||||||
294 | /// Checks if the variable is a local for OpenMP region. | ||||||||
295 | bool isOpenMPLocal(VarDecl *D, const_iterator Iter) const; | ||||||||
296 | |||||||||
297 | /// Vector of previously declared requires directives | ||||||||
298 | SmallVector<const OMPRequiresDecl *, 2> RequiresDecls; | ||||||||
299 | /// omp_allocator_handle_t type. | ||||||||
300 | QualType OMPAllocatorHandleT; | ||||||||
301 | /// omp_depend_t type. | ||||||||
302 | QualType OMPDependT; | ||||||||
303 | /// omp_event_handle_t type. | ||||||||
304 | QualType OMPEventHandleT; | ||||||||
305 | /// omp_alloctrait_t type. | ||||||||
306 | QualType OMPAlloctraitT; | ||||||||
307 | /// Expression for the predefined allocators. | ||||||||
308 | Expr *OMPPredefinedAllocators[OMPAllocateDeclAttr::OMPUserDefinedMemAlloc] = { | ||||||||
309 | nullptr}; | ||||||||
310 | /// Vector of previously encountered target directives | ||||||||
311 | SmallVector<SourceLocation, 2> TargetLocations; | ||||||||
312 | SourceLocation AtomicLocation; | ||||||||
313 | |||||||||
314 | public: | ||||||||
315 | explicit DSAStackTy(Sema &S) : SemaRef(S) {} | ||||||||
316 | |||||||||
317 | /// Sets omp_allocator_handle_t type. | ||||||||
318 | void setOMPAllocatorHandleT(QualType Ty) { OMPAllocatorHandleT = Ty; } | ||||||||
319 | /// Gets omp_allocator_handle_t type. | ||||||||
320 | QualType getOMPAllocatorHandleT() const { return OMPAllocatorHandleT; } | ||||||||
321 | /// Sets omp_alloctrait_t type. | ||||||||
322 | void setOMPAlloctraitT(QualType Ty) { OMPAlloctraitT = Ty; } | ||||||||
323 | /// Gets omp_alloctrait_t type. | ||||||||
324 | QualType getOMPAlloctraitT() const { return OMPAlloctraitT; } | ||||||||
325 | /// Sets the given default allocator. | ||||||||
326 | void setAllocator(OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind, | ||||||||
327 | Expr *Allocator) { | ||||||||
328 | OMPPredefinedAllocators[AllocatorKind] = Allocator; | ||||||||
329 | } | ||||||||
330 | /// Returns the specified default allocator. | ||||||||
331 | Expr *getAllocator(OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind) const { | ||||||||
332 | return OMPPredefinedAllocators[AllocatorKind]; | ||||||||
333 | } | ||||||||
334 | /// Sets omp_depend_t type. | ||||||||
335 | void setOMPDependT(QualType Ty) { OMPDependT = Ty; } | ||||||||
336 | /// Gets omp_depend_t type. | ||||||||
337 | QualType getOMPDependT() const { return OMPDependT; } | ||||||||
338 | |||||||||
339 | /// Sets omp_event_handle_t type. | ||||||||
340 | void setOMPEventHandleT(QualType Ty) { OMPEventHandleT = Ty; } | ||||||||
341 | /// Gets omp_event_handle_t type. | ||||||||
342 | QualType getOMPEventHandleT() const { return OMPEventHandleT; } | ||||||||
343 | |||||||||
344 | bool isClauseParsingMode() const { return ClauseKindMode != OMPC_unknown; } | ||||||||
345 | OpenMPClauseKind getClauseParsingMode() const { | ||||||||
346 | assert(isClauseParsingMode() && "Must be in clause parsing mode.")((void)0); | ||||||||
347 | return ClauseKindMode; | ||||||||
348 | } | ||||||||
349 | void setClauseParsingMode(OpenMPClauseKind K) { ClauseKindMode = K; } | ||||||||
350 | |||||||||
351 | bool isBodyComplete() const { | ||||||||
352 | const SharingMapTy *Top = getTopOfStackOrNull(); | ||||||||
353 | return Top && Top->BodyComplete; | ||||||||
354 | } | ||||||||
355 | void setBodyComplete() { | ||||||||
356 | getTopOfStack().BodyComplete = true; | ||||||||
357 | } | ||||||||
358 | |||||||||
359 | bool isForceVarCapturing() const { return ForceCapturing; } | ||||||||
360 | void setForceVarCapturing(bool V) { ForceCapturing = V; } | ||||||||
361 | |||||||||
362 | void setForceCaptureByReferenceInTargetExecutable(bool V) { | ||||||||
363 | ForceCaptureByReferenceInTargetExecutable = V; | ||||||||
364 | } | ||||||||
365 | bool isForceCaptureByReferenceInTargetExecutable() const { | ||||||||
366 | return ForceCaptureByReferenceInTargetExecutable; | ||||||||
367 | } | ||||||||
368 | |||||||||
369 | void push(OpenMPDirectiveKind DKind, const DeclarationNameInfo &DirName, | ||||||||
370 | Scope *CurScope, SourceLocation Loc) { | ||||||||
371 | assert(!IgnoredStackElements &&((void)0) | ||||||||
372 | "cannot change stack while ignoring elements")((void)0); | ||||||||
373 | if (Stack.empty() || | ||||||||
374 | Stack.back().second != CurrentNonCapturingFunctionScope) | ||||||||
375 | Stack.emplace_back(StackTy(), CurrentNonCapturingFunctionScope); | ||||||||
376 | Stack.back().first.emplace_back(DKind, DirName, CurScope, Loc); | ||||||||
377 | Stack.back().first.back().DefaultAttrLoc = Loc; | ||||||||
378 | } | ||||||||
379 | |||||||||
380 | void pop() { | ||||||||
381 | assert(!IgnoredStackElements &&((void)0) | ||||||||
382 | "cannot change stack while ignoring elements")((void)0); | ||||||||
383 | assert(!Stack.back().first.empty() &&((void)0) | ||||||||
384 | "Data-sharing attributes stack is empty!")((void)0); | ||||||||
385 | Stack.back().first.pop_back(); | ||||||||
386 | } | ||||||||
387 | |||||||||
388 | /// RAII object to temporarily leave the scope of a directive when we want to | ||||||||
389 | /// logically operate in its parent. | ||||||||
390 | class ParentDirectiveScope { | ||||||||
391 | DSAStackTy &Self; | ||||||||
392 | bool Active; | ||||||||
393 | public: | ||||||||
394 | ParentDirectiveScope(DSAStackTy &Self, bool Activate) | ||||||||
395 | : Self(Self), Active(false) { | ||||||||
396 | if (Activate) | ||||||||
397 | enable(); | ||||||||
398 | } | ||||||||
399 | ~ParentDirectiveScope() { disable(); } | ||||||||
400 | void disable() { | ||||||||
401 | if (Active) { | ||||||||
402 | --Self.IgnoredStackElements; | ||||||||
403 | Active = false; | ||||||||
404 | } | ||||||||
405 | } | ||||||||
406 | void enable() { | ||||||||
407 | if (!Active) { | ||||||||
408 | ++Self.IgnoredStackElements; | ||||||||
409 | Active = true; | ||||||||
410 | } | ||||||||
411 | } | ||||||||
412 | }; | ||||||||
413 | |||||||||
414 | /// Marks that we're started loop parsing. | ||||||||
415 | void loopInit() { | ||||||||
416 | assert(isOpenMPLoopDirective(getCurrentDirective()) &&((void)0) | ||||||||
417 | "Expected loop-based directive.")((void)0); | ||||||||
418 | getTopOfStack().LoopStart = true; | ||||||||
419 | } | ||||||||
420 | /// Start capturing of the variables in the loop context. | ||||||||
421 | void loopStart() { | ||||||||
422 | assert(isOpenMPLoopDirective(getCurrentDirective()) &&((void)0) | ||||||||
423 | "Expected loop-based directive.")((void)0); | ||||||||
424 | getTopOfStack().LoopStart = false; | ||||||||
425 | } | ||||||||
426 | /// true, if variables are captured, false otherwise. | ||||||||
427 | bool isLoopStarted() const { | ||||||||
428 | assert(isOpenMPLoopDirective(getCurrentDirective()) &&((void)0) | ||||||||
429 | "Expected loop-based directive.")((void)0); | ||||||||
430 | return !getTopOfStack().LoopStart; | ||||||||
431 | } | ||||||||
432 | /// Marks (or clears) declaration as possibly loop counter. | ||||||||
433 | void resetPossibleLoopCounter(const Decl *D = nullptr) { | ||||||||
434 | getTopOfStack().PossiblyLoopCounter = | ||||||||
435 | D ? D->getCanonicalDecl() : D; | ||||||||
436 | } | ||||||||
437 | /// Gets the possible loop counter decl. | ||||||||
438 | const Decl *getPossiblyLoopCunter() const { | ||||||||
439 | return getTopOfStack().PossiblyLoopCounter; | ||||||||
440 | } | ||||||||
441 | /// Start new OpenMP region stack in new non-capturing function. | ||||||||
442 | void pushFunction() { | ||||||||
443 | assert(!IgnoredStackElements &&((void)0) | ||||||||
444 | "cannot change stack while ignoring elements")((void)0); | ||||||||
445 | const FunctionScopeInfo *CurFnScope = SemaRef.getCurFunction(); | ||||||||
446 | assert(!isa<CapturingScopeInfo>(CurFnScope))((void)0); | ||||||||
447 | CurrentNonCapturingFunctionScope = CurFnScope; | ||||||||
448 | } | ||||||||
449 | /// Pop region stack for non-capturing function. | ||||||||
450 | void popFunction(const FunctionScopeInfo *OldFSI) { | ||||||||
451 | assert(!IgnoredStackElements &&((void)0) | ||||||||
452 | "cannot change stack while ignoring elements")((void)0); | ||||||||
453 | if (!Stack.empty() && Stack.back().second == OldFSI) { | ||||||||
454 | assert(Stack.back().first.empty())((void)0); | ||||||||
455 | Stack.pop_back(); | ||||||||
456 | } | ||||||||
457 | CurrentNonCapturingFunctionScope = nullptr; | ||||||||
458 | for (const FunctionScopeInfo *FSI : llvm::reverse(SemaRef.FunctionScopes)) { | ||||||||
459 | if (!isa<CapturingScopeInfo>(FSI)) { | ||||||||
460 | CurrentNonCapturingFunctionScope = FSI; | ||||||||
461 | break; | ||||||||
462 | } | ||||||||
463 | } | ||||||||
464 | } | ||||||||
465 | |||||||||
466 | void addCriticalWithHint(const OMPCriticalDirective *D, llvm::APSInt Hint) { | ||||||||
467 | Criticals.try_emplace(D->getDirectiveName().getAsString(), D, Hint); | ||||||||
468 | } | ||||||||
469 | const std::pair<const OMPCriticalDirective *, llvm::APSInt> | ||||||||
470 | getCriticalWithHint(const DeclarationNameInfo &Name) const { | ||||||||
471 | auto I = Criticals.find(Name.getAsString()); | ||||||||
472 | if (I != Criticals.end()) | ||||||||
473 | return I->second; | ||||||||
474 | return std::make_pair(nullptr, llvm::APSInt()); | ||||||||
475 | } | ||||||||
476 | /// If 'aligned' declaration for given variable \a D was not seen yet, | ||||||||
477 | /// add it and return NULL; otherwise return previous occurrence's expression | ||||||||
478 | /// for diagnostics. | ||||||||
479 | const Expr *addUniqueAligned(const ValueDecl *D, const Expr *NewDE); | ||||||||
480 | /// If 'nontemporal' declaration for given variable \a D was not seen yet, | ||||||||
481 | /// add it and return NULL; otherwise return previous occurrence's expression | ||||||||
482 | /// for diagnostics. | ||||||||
483 | const Expr *addUniqueNontemporal(const ValueDecl *D, const Expr *NewDE); | ||||||||
484 | |||||||||
485 | /// Register specified variable as loop control variable. | ||||||||
486 | void addLoopControlVariable(const ValueDecl *D, VarDecl *Capture); | ||||||||
487 | /// Check if the specified variable is a loop control variable for | ||||||||
488 | /// current region. | ||||||||
489 | /// \return The index of the loop control variable in the list of associated | ||||||||
490 | /// for-loops (from outer to inner). | ||||||||
491 | const LCDeclInfo isLoopControlVariable(const ValueDecl *D) const; | ||||||||
492 | /// Check if the specified variable is a loop control variable for | ||||||||
493 | /// parent region. | ||||||||
494 | /// \return The index of the loop control variable in the list of associated | ||||||||
495 | /// for-loops (from outer to inner). | ||||||||
496 | const LCDeclInfo isParentLoopControlVariable(const ValueDecl *D) const; | ||||||||
497 | /// Check if the specified variable is a loop control variable for | ||||||||
498 | /// current region. | ||||||||
499 | /// \return The index of the loop control variable in the list of associated | ||||||||
500 | /// for-loops (from outer to inner). | ||||||||
501 | const LCDeclInfo isLoopControlVariable(const ValueDecl *D, | ||||||||
502 | unsigned Level) const; | ||||||||
503 | /// Get the loop control variable for the I-th loop (or nullptr) in | ||||||||
504 | /// parent directive. | ||||||||
505 | const ValueDecl *getParentLoopControlVariable(unsigned I) const; | ||||||||
506 | |||||||||
507 | /// Marks the specified decl \p D as used in scan directive. | ||||||||
508 | void markDeclAsUsedInScanDirective(ValueDecl *D) { | ||||||||
509 | if (SharingMapTy *Stack = getSecondOnStackOrNull()) | ||||||||
510 | Stack->UsedInScanDirective.insert(D); | ||||||||
511 | } | ||||||||
512 | |||||||||
513 | /// Checks if the specified declaration was used in the inner scan directive. | ||||||||
514 | bool isUsedInScanDirective(ValueDecl *D) const { | ||||||||
515 | if (const SharingMapTy *Stack = getTopOfStackOrNull()) | ||||||||
516 | return Stack->UsedInScanDirective.count(D) > 0; | ||||||||
517 | return false; | ||||||||
518 | } | ||||||||
519 | |||||||||
520 | /// Adds explicit data sharing attribute to the specified declaration. | ||||||||
521 | void addDSA(const ValueDecl *D, const Expr *E, OpenMPClauseKind A, | ||||||||
522 | DeclRefExpr *PrivateCopy = nullptr, unsigned Modifier = 0, | ||||||||
523 | bool AppliedToPointee = false); | ||||||||
524 | |||||||||
525 | /// Adds additional information for the reduction items with the reduction id | ||||||||
526 | /// represented as an operator. | ||||||||
527 | void addTaskgroupReductionData(const ValueDecl *D, SourceRange SR, | ||||||||
528 | BinaryOperatorKind BOK); | ||||||||
529 | /// Adds additional information for the reduction items with the reduction id | ||||||||
530 | /// represented as reduction identifier. | ||||||||
531 | void addTaskgroupReductionData(const ValueDecl *D, SourceRange SR, | ||||||||
532 | const Expr *ReductionRef); | ||||||||
533 | /// Returns the location and reduction operation from the innermost parent | ||||||||
534 | /// region for the given \p D. | ||||||||
535 | const DSAVarData | ||||||||
536 | getTopMostTaskgroupReductionData(const ValueDecl *D, SourceRange &SR, | ||||||||
537 | BinaryOperatorKind &BOK, | ||||||||
538 | Expr *&TaskgroupDescriptor) const; | ||||||||
539 | /// Returns the location and reduction operation from the innermost parent | ||||||||
540 | /// region for the given \p D. | ||||||||
541 | const DSAVarData | ||||||||
542 | getTopMostTaskgroupReductionData(const ValueDecl *D, SourceRange &SR, | ||||||||
543 | const Expr *&ReductionRef, | ||||||||
544 | Expr *&TaskgroupDescriptor) const; | ||||||||
545 | /// Return reduction reference expression for the current taskgroup or | ||||||||
546 | /// parallel/worksharing directives with task reductions. | ||||||||
547 | Expr *getTaskgroupReductionRef() const { | ||||||||
548 | assert((getTopOfStack().Directive == OMPD_taskgroup ||((void)0) | ||||||||
549 | ((isOpenMPParallelDirective(getTopOfStack().Directive) ||((void)0) | ||||||||
550 | isOpenMPWorksharingDirective(getTopOfStack().Directive)) &&((void)0) | ||||||||
551 | !isOpenMPSimdDirective(getTopOfStack().Directive))) &&((void)0) | ||||||||
552 | "taskgroup reference expression requested for non taskgroup or "((void)0) | ||||||||
553 | "parallel/worksharing directive.")((void)0); | ||||||||
554 | return getTopOfStack().TaskgroupReductionRef; | ||||||||
555 | } | ||||||||
556 | /// Checks if the given \p VD declaration is actually a taskgroup reduction | ||||||||
557 | /// descriptor variable at the \p Level of OpenMP regions. | ||||||||
558 | bool isTaskgroupReductionRef(const ValueDecl *VD, unsigned Level) const { | ||||||||
559 | return getStackElemAtLevel(Level).TaskgroupReductionRef && | ||||||||
560 | cast<DeclRefExpr>(getStackElemAtLevel(Level).TaskgroupReductionRef) | ||||||||
561 | ->getDecl() == VD; | ||||||||
562 | } | ||||||||
563 | |||||||||
564 | /// Returns data sharing attributes from top of the stack for the | ||||||||
565 | /// specified declaration. | ||||||||
566 | const DSAVarData getTopDSA(ValueDecl *D, bool FromParent); | ||||||||
567 | /// Returns data-sharing attributes for the specified declaration. | ||||||||
568 | const DSAVarData getImplicitDSA(ValueDecl *D, bool FromParent) const; | ||||||||
569 | /// Returns data-sharing attributes for the specified declaration. | ||||||||
570 | const DSAVarData getImplicitDSA(ValueDecl *D, unsigned Level) const; | ||||||||
571 | /// Checks if the specified variables has data-sharing attributes which | ||||||||
572 | /// match specified \a CPred predicate in any directive which matches \a DPred | ||||||||
573 | /// predicate. | ||||||||
574 | const DSAVarData | ||||||||
575 | hasDSA(ValueDecl *D, | ||||||||
576 | const llvm::function_ref<bool(OpenMPClauseKind, bool)> CPred, | ||||||||
577 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, | ||||||||
578 | bool FromParent) const; | ||||||||
579 | /// Checks if the specified variables has data-sharing attributes which | ||||||||
580 | /// match specified \a CPred predicate in any innermost directive which | ||||||||
581 | /// matches \a DPred predicate. | ||||||||
582 | const DSAVarData | ||||||||
583 | hasInnermostDSA(ValueDecl *D, | ||||||||
584 | const llvm::function_ref<bool(OpenMPClauseKind, bool)> CPred, | ||||||||
585 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, | ||||||||
586 | bool FromParent) const; | ||||||||
587 | /// Checks if the specified variables has explicit data-sharing | ||||||||
588 | /// attributes which match specified \a CPred predicate at the specified | ||||||||
589 | /// OpenMP region. | ||||||||
590 | bool | ||||||||
591 | hasExplicitDSA(const ValueDecl *D, | ||||||||
592 | const llvm::function_ref<bool(OpenMPClauseKind, bool)> CPred, | ||||||||
593 | unsigned Level, bool NotLastprivate = false) const; | ||||||||
594 | |||||||||
595 | /// Returns true if the directive at level \Level matches in the | ||||||||
596 | /// specified \a DPred predicate. | ||||||||
597 | bool hasExplicitDirective( | ||||||||
598 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, | ||||||||
599 | unsigned Level) const; | ||||||||
600 | |||||||||
601 | /// Finds a directive which matches specified \a DPred predicate. | ||||||||
602 | bool hasDirective( | ||||||||
603 | const llvm::function_ref<bool( | ||||||||
604 | OpenMPDirectiveKind, const DeclarationNameInfo &, SourceLocation)> | ||||||||
605 | DPred, | ||||||||
606 | bool FromParent) const; | ||||||||
607 | |||||||||
608 | /// Returns currently analyzed directive. | ||||||||
609 | OpenMPDirectiveKind getCurrentDirective() const { | ||||||||
610 | const SharingMapTy *Top = getTopOfStackOrNull(); | ||||||||
611 | return Top ? Top->Directive : OMPD_unknown; | ||||||||
612 | } | ||||||||
613 | /// Returns directive kind at specified level. | ||||||||
614 | OpenMPDirectiveKind getDirective(unsigned Level) const { | ||||||||
615 | assert(!isStackEmpty() && "No directive at specified level.")((void)0); | ||||||||
616 | return getStackElemAtLevel(Level).Directive; | ||||||||
617 | } | ||||||||
618 | /// Returns the capture region at the specified level. | ||||||||
619 | OpenMPDirectiveKind getCaptureRegion(unsigned Level, | ||||||||
620 | unsigned OpenMPCaptureLevel) const { | ||||||||
621 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; | ||||||||
622 | getOpenMPCaptureRegions(CaptureRegions, getDirective(Level)); | ||||||||
623 | return CaptureRegions[OpenMPCaptureLevel]; | ||||||||
624 | } | ||||||||
625 | /// Returns parent directive. | ||||||||
626 | OpenMPDirectiveKind getParentDirective() const { | ||||||||
627 | const SharingMapTy *Parent = getSecondOnStackOrNull(); | ||||||||
628 | return Parent ? Parent->Directive : OMPD_unknown; | ||||||||
629 | } | ||||||||
630 | |||||||||
631 | /// Add requires decl to internal vector | ||||||||
632 | void addRequiresDecl(OMPRequiresDecl *RD) { | ||||||||
633 | RequiresDecls.push_back(RD); | ||||||||
634 | } | ||||||||
635 | |||||||||
636 | /// Checks if the defined 'requires' directive has specified type of clause. | ||||||||
637 | template <typename ClauseType> | ||||||||
638 | bool hasRequiresDeclWithClause() const { | ||||||||
639 | return llvm::any_of(RequiresDecls, [](const OMPRequiresDecl *D) { | ||||||||
640 | return llvm::any_of(D->clauselists(), [](const OMPClause *C) { | ||||||||
641 | return isa<ClauseType>(C); | ||||||||
642 | }); | ||||||||
643 | }); | ||||||||
644 | } | ||||||||
645 | |||||||||
646 | /// Checks for a duplicate clause amongst previously declared requires | ||||||||
647 | /// directives | ||||||||
648 | bool hasDuplicateRequiresClause(ArrayRef<OMPClause *> ClauseList) const { | ||||||||
649 | bool IsDuplicate = false; | ||||||||
650 | for (OMPClause *CNew : ClauseList) { | ||||||||
651 | for (const OMPRequiresDecl *D : RequiresDecls) { | ||||||||
652 | for (const OMPClause *CPrev : D->clauselists()) { | ||||||||
653 | if (CNew->getClauseKind() == CPrev->getClauseKind()) { | ||||||||
654 | SemaRef.Diag(CNew->getBeginLoc(), | ||||||||
655 | diag::err_omp_requires_clause_redeclaration) | ||||||||
656 | << getOpenMPClauseName(CNew->getClauseKind()); | ||||||||
657 | SemaRef.Diag(CPrev->getBeginLoc(), | ||||||||
658 | diag::note_omp_requires_previous_clause) | ||||||||
659 | << getOpenMPClauseName(CPrev->getClauseKind()); | ||||||||
660 | IsDuplicate = true; | ||||||||
661 | } | ||||||||
662 | } | ||||||||
663 | } | ||||||||
664 | } | ||||||||
665 | return IsDuplicate; | ||||||||
666 | } | ||||||||
667 | |||||||||
668 | /// Add location of previously encountered target to internal vector | ||||||||
669 | void addTargetDirLocation(SourceLocation LocStart) { | ||||||||
670 | TargetLocations.push_back(LocStart); | ||||||||
671 | } | ||||||||
672 | |||||||||
673 | /// Add location for the first encountered atomicc directive. | ||||||||
674 | void addAtomicDirectiveLoc(SourceLocation Loc) { | ||||||||
675 | if (AtomicLocation.isInvalid()) | ||||||||
676 | AtomicLocation = Loc; | ||||||||
677 | } | ||||||||
678 | |||||||||
679 | /// Returns the location of the first encountered atomic directive in the | ||||||||
680 | /// module. | ||||||||
681 | SourceLocation getAtomicDirectiveLoc() const { | ||||||||
682 | return AtomicLocation; | ||||||||
683 | } | ||||||||
684 | |||||||||
685 | // Return previously encountered target region locations. | ||||||||
686 | ArrayRef<SourceLocation> getEncounteredTargetLocs() const { | ||||||||
687 | return TargetLocations; | ||||||||
688 | } | ||||||||
689 | |||||||||
690 | /// Set default data sharing attribute to none. | ||||||||
691 | void setDefaultDSANone(SourceLocation Loc) { | ||||||||
692 | getTopOfStack().DefaultAttr = DSA_none; | ||||||||
693 | getTopOfStack().DefaultAttrLoc = Loc; | ||||||||
694 | } | ||||||||
695 | /// Set default data sharing attribute to shared. | ||||||||
696 | void setDefaultDSAShared(SourceLocation Loc) { | ||||||||
697 | getTopOfStack().DefaultAttr = DSA_shared; | ||||||||
698 | getTopOfStack().DefaultAttrLoc = Loc; | ||||||||
699 | } | ||||||||
700 | /// Set default data sharing attribute to firstprivate. | ||||||||
701 | void setDefaultDSAFirstPrivate(SourceLocation Loc) { | ||||||||
702 | getTopOfStack().DefaultAttr = DSA_firstprivate; | ||||||||
703 | getTopOfStack().DefaultAttrLoc = Loc; | ||||||||
704 | } | ||||||||
705 | /// Set default data mapping attribute to Modifier:Kind | ||||||||
706 | void setDefaultDMAAttr(OpenMPDefaultmapClauseModifier M, | ||||||||
707 | OpenMPDefaultmapClauseKind Kind, | ||||||||
708 | SourceLocation Loc) { | ||||||||
709 | DefaultmapInfo &DMI = getTopOfStack().DefaultmapMap[Kind]; | ||||||||
710 | DMI.ImplicitBehavior = M; | ||||||||
711 | DMI.SLoc = Loc; | ||||||||
712 | } | ||||||||
713 | /// Check whether the implicit-behavior has been set in defaultmap | ||||||||
714 | bool checkDefaultmapCategory(OpenMPDefaultmapClauseKind VariableCategory) { | ||||||||
715 | if (VariableCategory == OMPC_DEFAULTMAP_unknown) | ||||||||
716 | return getTopOfStack() | ||||||||
717 | .DefaultmapMap[OMPC_DEFAULTMAP_aggregate] | ||||||||
718 | .ImplicitBehavior != OMPC_DEFAULTMAP_MODIFIER_unknown || | ||||||||
719 | getTopOfStack() | ||||||||
720 | .DefaultmapMap[OMPC_DEFAULTMAP_scalar] | ||||||||
721 | .ImplicitBehavior != OMPC_DEFAULTMAP_MODIFIER_unknown || | ||||||||
722 | getTopOfStack() | ||||||||
723 | .DefaultmapMap[OMPC_DEFAULTMAP_pointer] | ||||||||
724 | .ImplicitBehavior != OMPC_DEFAULTMAP_MODIFIER_unknown; | ||||||||
725 | return getTopOfStack().DefaultmapMap[VariableCategory].ImplicitBehavior != | ||||||||
726 | OMPC_DEFAULTMAP_MODIFIER_unknown; | ||||||||
727 | } | ||||||||
728 | |||||||||
729 | DefaultDataSharingAttributes getDefaultDSA(unsigned Level) const { | ||||||||
730 | return getStackSize() <= Level ? DSA_unspecified | ||||||||
731 | : getStackElemAtLevel(Level).DefaultAttr; | ||||||||
732 | } | ||||||||
733 | DefaultDataSharingAttributes getDefaultDSA() const { | ||||||||
734 | return isStackEmpty() ? DSA_unspecified | ||||||||
735 | : getTopOfStack().DefaultAttr; | ||||||||
736 | } | ||||||||
737 | SourceLocation getDefaultDSALocation() const { | ||||||||
738 | return isStackEmpty() ? SourceLocation() | ||||||||
739 | : getTopOfStack().DefaultAttrLoc; | ||||||||
740 | } | ||||||||
741 | OpenMPDefaultmapClauseModifier | ||||||||
742 | getDefaultmapModifier(OpenMPDefaultmapClauseKind Kind) const { | ||||||||
743 | return isStackEmpty() | ||||||||
744 | ? OMPC_DEFAULTMAP_MODIFIER_unknown | ||||||||
745 | : getTopOfStack().DefaultmapMap[Kind].ImplicitBehavior; | ||||||||
746 | } | ||||||||
747 | OpenMPDefaultmapClauseModifier | ||||||||
748 | getDefaultmapModifierAtLevel(unsigned Level, | ||||||||
749 | OpenMPDefaultmapClauseKind Kind) const { | ||||||||
750 | return getStackElemAtLevel(Level).DefaultmapMap[Kind].ImplicitBehavior; | ||||||||
751 | } | ||||||||
752 | bool isDefaultmapCapturedByRef(unsigned Level, | ||||||||
753 | OpenMPDefaultmapClauseKind Kind) const { | ||||||||
754 | OpenMPDefaultmapClauseModifier M = | ||||||||
755 | getDefaultmapModifierAtLevel(Level, Kind); | ||||||||
756 | if (Kind == OMPC_DEFAULTMAP_scalar || Kind == OMPC_DEFAULTMAP_pointer) { | ||||||||
757 | return (M == OMPC_DEFAULTMAP_MODIFIER_alloc) || | ||||||||
758 | (M == OMPC_DEFAULTMAP_MODIFIER_to) || | ||||||||
759 | (M == OMPC_DEFAULTMAP_MODIFIER_from) || | ||||||||
760 | (M == OMPC_DEFAULTMAP_MODIFIER_tofrom); | ||||||||
761 | } | ||||||||
762 | return true; | ||||||||
763 | } | ||||||||
764 | static bool mustBeFirstprivateBase(OpenMPDefaultmapClauseModifier M, | ||||||||
765 | OpenMPDefaultmapClauseKind Kind) { | ||||||||
766 | switch (Kind) { | ||||||||
767 | case OMPC_DEFAULTMAP_scalar: | ||||||||
768 | case OMPC_DEFAULTMAP_pointer: | ||||||||
769 | return (M == OMPC_DEFAULTMAP_MODIFIER_unknown) || | ||||||||
770 | (M == OMPC_DEFAULTMAP_MODIFIER_firstprivate) || | ||||||||
771 | (M == OMPC_DEFAULTMAP_MODIFIER_default); | ||||||||
772 | case OMPC_DEFAULTMAP_aggregate: | ||||||||
773 | return M == OMPC_DEFAULTMAP_MODIFIER_firstprivate; | ||||||||
774 | default: | ||||||||
775 | break; | ||||||||
776 | } | ||||||||
777 | llvm_unreachable("Unexpected OpenMPDefaultmapClauseKind enum")__builtin_unreachable(); | ||||||||
778 | } | ||||||||
779 | bool mustBeFirstprivateAtLevel(unsigned Level, | ||||||||
780 | OpenMPDefaultmapClauseKind Kind) const { | ||||||||
781 | OpenMPDefaultmapClauseModifier M = | ||||||||
782 | getDefaultmapModifierAtLevel(Level, Kind); | ||||||||
783 | return mustBeFirstprivateBase(M, Kind); | ||||||||
784 | } | ||||||||
785 | bool mustBeFirstprivate(OpenMPDefaultmapClauseKind Kind) const { | ||||||||
786 | OpenMPDefaultmapClauseModifier M = getDefaultmapModifier(Kind); | ||||||||
787 | return mustBeFirstprivateBase(M, Kind); | ||||||||
788 | } | ||||||||
789 | |||||||||
790 | /// Checks if the specified variable is a threadprivate. | ||||||||
791 | bool isThreadPrivate(VarDecl *D) { | ||||||||
792 | const DSAVarData DVar = getTopDSA(D, false); | ||||||||
793 | return isOpenMPThreadPrivate(DVar.CKind); | ||||||||
794 | } | ||||||||
795 | |||||||||
796 | /// Marks current region as ordered (it has an 'ordered' clause). | ||||||||
797 | void setOrderedRegion(bool IsOrdered, const Expr *Param, | ||||||||
798 | OMPOrderedClause *Clause) { | ||||||||
799 | if (IsOrdered) | ||||||||
800 | getTopOfStack().OrderedRegion.emplace(Param, Clause); | ||||||||
801 | else | ||||||||
802 | getTopOfStack().OrderedRegion.reset(); | ||||||||
803 | } | ||||||||
804 | /// Returns true, if region is ordered (has associated 'ordered' clause), | ||||||||
805 | /// false - otherwise. | ||||||||
806 | bool isOrderedRegion() const { | ||||||||
807 | if (const SharingMapTy *Top = getTopOfStackOrNull()) | ||||||||
808 | return Top->OrderedRegion.hasValue(); | ||||||||
809 | return false; | ||||||||
810 | } | ||||||||
811 | /// Returns optional parameter for the ordered region. | ||||||||
812 | std::pair<const Expr *, OMPOrderedClause *> getOrderedRegionParam() const { | ||||||||
813 | if (const SharingMapTy *Top = getTopOfStackOrNull()) | ||||||||
814 | if (Top->OrderedRegion.hasValue()) | ||||||||
815 | return Top->OrderedRegion.getValue(); | ||||||||
816 | return std::make_pair(nullptr, nullptr); | ||||||||
817 | } | ||||||||
818 | /// Returns true, if parent region is ordered (has associated | ||||||||
819 | /// 'ordered' clause), false - otherwise. | ||||||||
820 | bool isParentOrderedRegion() const { | ||||||||
821 | if (const SharingMapTy *Parent = getSecondOnStackOrNull()) | ||||||||
822 | return Parent->OrderedRegion.hasValue(); | ||||||||
823 | return false; | ||||||||
824 | } | ||||||||
825 | /// Returns optional parameter for the ordered region. | ||||||||
826 | std::pair<const Expr *, OMPOrderedClause *> | ||||||||
827 | getParentOrderedRegionParam() const { | ||||||||
828 | if (const SharingMapTy *Parent = getSecondOnStackOrNull()) | ||||||||
829 | if (Parent->OrderedRegion.hasValue()) | ||||||||
830 | return Parent->OrderedRegion.getValue(); | ||||||||
831 | return std::make_pair(nullptr, nullptr); | ||||||||
832 | } | ||||||||
833 | /// Marks current region as nowait (it has a 'nowait' clause). | ||||||||
834 | void setNowaitRegion(bool IsNowait = true) { | ||||||||
835 | getTopOfStack().NowaitRegion = IsNowait; | ||||||||
836 | } | ||||||||
837 | /// Returns true, if parent region is nowait (has associated | ||||||||
838 | /// 'nowait' clause), false - otherwise. | ||||||||
839 | bool isParentNowaitRegion() const { | ||||||||
840 | if (const SharingMapTy *Parent = getSecondOnStackOrNull()) | ||||||||
841 | return Parent->NowaitRegion; | ||||||||
842 | return false; | ||||||||
843 | } | ||||||||
844 | /// Marks parent region as cancel region. | ||||||||
845 | void setParentCancelRegion(bool Cancel = true) { | ||||||||
846 | if (SharingMapTy *Parent = getSecondOnStackOrNull()) | ||||||||
847 | Parent->CancelRegion |= Cancel; | ||||||||
848 | } | ||||||||
849 | /// Return true if current region has inner cancel construct. | ||||||||
850 | bool isCancelRegion() const { | ||||||||
851 | const SharingMapTy *Top = getTopOfStackOrNull(); | ||||||||
852 | return Top ? Top->CancelRegion : false; | ||||||||
853 | } | ||||||||
854 | |||||||||
855 | /// Mark that parent region already has scan directive. | ||||||||
856 | void setParentHasScanDirective(SourceLocation Loc) { | ||||||||
857 | if (SharingMapTy *Parent = getSecondOnStackOrNull()) | ||||||||
858 | Parent->PrevScanLocation = Loc; | ||||||||
859 | } | ||||||||
860 | /// Return true if current region has inner cancel construct. | ||||||||
861 | bool doesParentHasScanDirective() const { | ||||||||
862 | const SharingMapTy *Top = getSecondOnStackOrNull(); | ||||||||
863 | return Top ? Top->PrevScanLocation.isValid() : false; | ||||||||
864 | } | ||||||||
865 | /// Return true if current region has inner cancel construct. | ||||||||
866 | SourceLocation getParentScanDirectiveLoc() const { | ||||||||
867 | const SharingMapTy *Top = getSecondOnStackOrNull(); | ||||||||
868 | return Top ? Top->PrevScanLocation : SourceLocation(); | ||||||||
869 | } | ||||||||
870 | /// Mark that parent region already has ordered directive. | ||||||||
871 | void setParentHasOrderedDirective(SourceLocation Loc) { | ||||||||
872 | if (SharingMapTy *Parent = getSecondOnStackOrNull()) | ||||||||
873 | Parent->PrevOrderedLocation = Loc; | ||||||||
874 | } | ||||||||
875 | /// Return true if current region has inner ordered construct. | ||||||||
876 | bool doesParentHasOrderedDirective() const { | ||||||||
877 | const SharingMapTy *Top = getSecondOnStackOrNull(); | ||||||||
878 | return Top ? Top->PrevOrderedLocation.isValid() : false; | ||||||||
879 | } | ||||||||
880 | /// Returns the location of the previously specified ordered directive. | ||||||||
881 | SourceLocation getParentOrderedDirectiveLoc() const { | ||||||||
882 | const SharingMapTy *Top = getSecondOnStackOrNull(); | ||||||||
883 | return Top ? Top->PrevOrderedLocation : SourceLocation(); | ||||||||
884 | } | ||||||||
885 | |||||||||
886 | /// Set collapse value for the region. | ||||||||
887 | void setAssociatedLoops(unsigned Val) { | ||||||||
888 | getTopOfStack().AssociatedLoops = Val; | ||||||||
889 | if (Val > 1) | ||||||||
890 | getTopOfStack().HasMutipleLoops = true; | ||||||||
891 | } | ||||||||
892 | /// Return collapse value for region. | ||||||||
893 | unsigned getAssociatedLoops() const { | ||||||||
894 | const SharingMapTy *Top = getTopOfStackOrNull(); | ||||||||
895 | return Top ? Top->AssociatedLoops : 0; | ||||||||
896 | } | ||||||||
897 | /// Returns true if the construct is associated with multiple loops. | ||||||||
898 | bool hasMutipleLoops() const { | ||||||||
899 | const SharingMapTy *Top = getTopOfStackOrNull(); | ||||||||
900 | return Top ? Top->HasMutipleLoops : false; | ||||||||
901 | } | ||||||||
902 | |||||||||
903 | /// Marks current target region as one with closely nested teams | ||||||||
904 | /// region. | ||||||||
905 | void setParentTeamsRegionLoc(SourceLocation TeamsRegionLoc) { | ||||||||
906 | if (SharingMapTy *Parent = getSecondOnStackOrNull()) | ||||||||
907 | Parent->InnerTeamsRegionLoc = TeamsRegionLoc; | ||||||||
908 | } | ||||||||
909 | /// Returns true, if current region has closely nested teams region. | ||||||||
910 | bool hasInnerTeamsRegion() const { | ||||||||
911 | return getInnerTeamsRegionLoc().isValid(); | ||||||||
912 | } | ||||||||
913 | /// Returns location of the nested teams region (if any). | ||||||||
914 | SourceLocation getInnerTeamsRegionLoc() const { | ||||||||
915 | const SharingMapTy *Top = getTopOfStackOrNull(); | ||||||||
916 | return Top ? Top->InnerTeamsRegionLoc : SourceLocation(); | ||||||||
917 | } | ||||||||
918 | |||||||||
919 | Scope *getCurScope() const { | ||||||||
920 | const SharingMapTy *Top = getTopOfStackOrNull(); | ||||||||
921 | return Top ? Top->CurScope : nullptr; | ||||||||
922 | } | ||||||||
923 | void setContext(DeclContext *DC) { getTopOfStack().Context = DC; } | ||||||||
924 | SourceLocation getConstructLoc() const { | ||||||||
925 | const SharingMapTy *Top = getTopOfStackOrNull(); | ||||||||
926 | return Top ? Top->ConstructLoc : SourceLocation(); | ||||||||
927 | } | ||||||||
928 | |||||||||
929 | /// Do the check specified in \a Check to all component lists and return true | ||||||||
930 | /// if any issue is found. | ||||||||
931 | bool checkMappableExprComponentListsForDecl( | ||||||||
932 | const ValueDecl *VD, bool CurrentRegionOnly, | ||||||||
933 | const llvm::function_ref< | ||||||||
934 | bool(OMPClauseMappableExprCommon::MappableExprComponentListRef, | ||||||||
935 | OpenMPClauseKind)> | ||||||||
936 | Check) const { | ||||||||
937 | if (isStackEmpty()) | ||||||||
938 | return false; | ||||||||
939 | auto SI = begin(); | ||||||||
940 | auto SE = end(); | ||||||||
941 | |||||||||
942 | if (SI == SE) | ||||||||
943 | return false; | ||||||||
944 | |||||||||
945 | if (CurrentRegionOnly) | ||||||||
946 | SE = std::next(SI); | ||||||||
947 | else | ||||||||
948 | std::advance(SI, 1); | ||||||||
949 | |||||||||
950 | for (; SI != SE; ++SI) { | ||||||||
951 | auto MI = SI->MappedExprComponents.find(VD); | ||||||||
952 | if (MI != SI->MappedExprComponents.end()) | ||||||||
953 | for (OMPClauseMappableExprCommon::MappableExprComponentListRef L : | ||||||||
954 | MI->second.Components) | ||||||||
955 | if (Check(L, MI->second.Kind)) | ||||||||
956 | return true; | ||||||||
957 | } | ||||||||
958 | return false; | ||||||||
959 | } | ||||||||
960 | |||||||||
961 | /// Do the check specified in \a Check to all component lists at a given level | ||||||||
962 | /// and return true if any issue is found. | ||||||||
963 | bool checkMappableExprComponentListsForDeclAtLevel( | ||||||||
964 | const ValueDecl *VD, unsigned Level, | ||||||||
965 | const llvm::function_ref< | ||||||||
966 | bool(OMPClauseMappableExprCommon::MappableExprComponentListRef, | ||||||||
967 | OpenMPClauseKind)> | ||||||||
968 | Check) const { | ||||||||
969 | if (getStackSize() <= Level) | ||||||||
970 | return false; | ||||||||
971 | |||||||||
972 | const SharingMapTy &StackElem = getStackElemAtLevel(Level); | ||||||||
973 | auto MI = StackElem.MappedExprComponents.find(VD); | ||||||||
974 | if (MI != StackElem.MappedExprComponents.end()) | ||||||||
975 | for (OMPClauseMappableExprCommon::MappableExprComponentListRef L : | ||||||||
976 | MI->second.Components) | ||||||||
977 | if (Check(L, MI->second.Kind)) | ||||||||
978 | return true; | ||||||||
979 | return false; | ||||||||
980 | } | ||||||||
981 | |||||||||
982 | /// Create a new mappable expression component list associated with a given | ||||||||
983 | /// declaration and initialize it with the provided list of components. | ||||||||
984 | void addMappableExpressionComponents( | ||||||||
985 | const ValueDecl *VD, | ||||||||
986 | OMPClauseMappableExprCommon::MappableExprComponentListRef Components, | ||||||||
987 | OpenMPClauseKind WhereFoundClauseKind) { | ||||||||
988 | MappedExprComponentTy &MEC = getTopOfStack().MappedExprComponents[VD]; | ||||||||
989 | // Create new entry and append the new components there. | ||||||||
990 | MEC.Components.resize(MEC.Components.size() + 1); | ||||||||
991 | MEC.Components.back().append(Components.begin(), Components.end()); | ||||||||
992 | MEC.Kind = WhereFoundClauseKind; | ||||||||
993 | } | ||||||||
994 | |||||||||
995 | unsigned getNestingLevel() const { | ||||||||
996 | assert(!isStackEmpty())((void)0); | ||||||||
997 | return getStackSize() - 1; | ||||||||
998 | } | ||||||||
999 | void addDoacrossDependClause(OMPDependClause *C, | ||||||||
1000 | const OperatorOffsetTy &OpsOffs) { | ||||||||
1001 | SharingMapTy *Parent = getSecondOnStackOrNull(); | ||||||||
1002 | assert(Parent && isOpenMPWorksharingDirective(Parent->Directive))((void)0); | ||||||||
1003 | Parent->DoacrossDepends.try_emplace(C, OpsOffs); | ||||||||
1004 | } | ||||||||
1005 | llvm::iterator_range<DoacrossDependMapTy::const_iterator> | ||||||||
1006 | getDoacrossDependClauses() const { | ||||||||
1007 | const SharingMapTy &StackElem = getTopOfStack(); | ||||||||
1008 | if (isOpenMPWorksharingDirective(StackElem.Directive)) { | ||||||||
1009 | const DoacrossDependMapTy &Ref = StackElem.DoacrossDepends; | ||||||||
1010 | return llvm::make_range(Ref.begin(), Ref.end()); | ||||||||
1011 | } | ||||||||
1012 | return llvm::make_range(StackElem.DoacrossDepends.end(), | ||||||||
1013 | StackElem.DoacrossDepends.end()); | ||||||||
1014 | } | ||||||||
1015 | |||||||||
1016 | // Store types of classes which have been explicitly mapped | ||||||||
1017 | void addMappedClassesQualTypes(QualType QT) { | ||||||||
1018 | SharingMapTy &StackElem = getTopOfStack(); | ||||||||
1019 | StackElem.MappedClassesQualTypes.insert(QT); | ||||||||
1020 | } | ||||||||
1021 | |||||||||
1022 | // Return set of mapped classes types | ||||||||
1023 | bool isClassPreviouslyMapped(QualType QT) const { | ||||||||
1024 | const SharingMapTy &StackElem = getTopOfStack(); | ||||||||
1025 | return StackElem.MappedClassesQualTypes.count(QT) != 0; | ||||||||
1026 | } | ||||||||
1027 | |||||||||
1028 | /// Adds global declare target to the parent target region. | ||||||||
1029 | void addToParentTargetRegionLinkGlobals(DeclRefExpr *E) { | ||||||||
1030 | assert(*OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(((void)0) | ||||||||
1031 | E->getDecl()) == OMPDeclareTargetDeclAttr::MT_Link &&((void)0) | ||||||||
1032 | "Expected declare target link global.")((void)0); | ||||||||
1033 | for (auto &Elem : *this) { | ||||||||
1034 | if (isOpenMPTargetExecutionDirective(Elem.Directive)) { | ||||||||
1035 | Elem.DeclareTargetLinkVarDecls.push_back(E); | ||||||||
1036 | return; | ||||||||
1037 | } | ||||||||
1038 | } | ||||||||
1039 | } | ||||||||
1040 | |||||||||
1041 | /// Returns the list of globals with declare target link if current directive | ||||||||
1042 | /// is target. | ||||||||
1043 | ArrayRef<DeclRefExpr *> getLinkGlobals() const { | ||||||||
1044 | assert(isOpenMPTargetExecutionDirective(getCurrentDirective()) &&((void)0) | ||||||||
1045 | "Expected target executable directive.")((void)0); | ||||||||
1046 | return getTopOfStack().DeclareTargetLinkVarDecls; | ||||||||
1047 | } | ||||||||
1048 | |||||||||
1049 | /// Adds list of allocators expressions. | ||||||||
1050 | void addInnerAllocatorExpr(Expr *E) { | ||||||||
1051 | getTopOfStack().InnerUsedAllocators.push_back(E); | ||||||||
1052 | } | ||||||||
1053 | /// Return list of used allocators. | ||||||||
1054 | ArrayRef<Expr *> getInnerAllocators() const { | ||||||||
1055 | return getTopOfStack().InnerUsedAllocators; | ||||||||
1056 | } | ||||||||
1057 | /// Marks the declaration as implicitly firstprivate nin the task-based | ||||||||
1058 | /// regions. | ||||||||
1059 | void addImplicitTaskFirstprivate(unsigned Level, Decl *D) { | ||||||||
1060 | getStackElemAtLevel(Level).ImplicitTaskFirstprivates.insert(D); | ||||||||
1061 | } | ||||||||
1062 | /// Checks if the decl is implicitly firstprivate in the task-based region. | ||||||||
1063 | bool isImplicitTaskFirstprivate(Decl *D) const { | ||||||||
1064 | return getTopOfStack().ImplicitTaskFirstprivates.count(D) > 0; | ||||||||
1065 | } | ||||||||
1066 | |||||||||
1067 | /// Marks decl as used in uses_allocators clause as the allocator. | ||||||||
1068 | void addUsesAllocatorsDecl(const Decl *D, UsesAllocatorsDeclKind Kind) { | ||||||||
1069 | getTopOfStack().UsesAllocatorsDecls.try_emplace(D, Kind); | ||||||||
1070 | } | ||||||||
1071 | /// Checks if specified decl is used in uses allocator clause as the | ||||||||
1072 | /// allocator. | ||||||||
1073 | Optional<UsesAllocatorsDeclKind> isUsesAllocatorsDecl(unsigned Level, | ||||||||
1074 | const Decl *D) const { | ||||||||
1075 | const SharingMapTy &StackElem = getTopOfStack(); | ||||||||
1076 | auto I = StackElem.UsesAllocatorsDecls.find(D); | ||||||||
1077 | if (I == StackElem.UsesAllocatorsDecls.end()) | ||||||||
1078 | return None; | ||||||||
1079 | return I->getSecond(); | ||||||||
1080 | } | ||||||||
1081 | Optional<UsesAllocatorsDeclKind> isUsesAllocatorsDecl(const Decl *D) const { | ||||||||
1082 | const SharingMapTy &StackElem = getTopOfStack(); | ||||||||
1083 | auto I = StackElem.UsesAllocatorsDecls.find(D); | ||||||||
1084 | if (I == StackElem.UsesAllocatorsDecls.end()) | ||||||||
1085 | return None; | ||||||||
1086 | return I->getSecond(); | ||||||||
1087 | } | ||||||||
1088 | |||||||||
1089 | void addDeclareMapperVarRef(Expr *Ref) { | ||||||||
1090 | SharingMapTy &StackElem = getTopOfStack(); | ||||||||
1091 | StackElem.DeclareMapperVar = Ref; | ||||||||
1092 | } | ||||||||
1093 | const Expr *getDeclareMapperVarRef() const { | ||||||||
1094 | const SharingMapTy *Top = getTopOfStackOrNull(); | ||||||||
1095 | return Top ? Top->DeclareMapperVar : nullptr; | ||||||||
1096 | } | ||||||||
1097 | }; | ||||||||
1098 | |||||||||
1099 | bool isImplicitTaskingRegion(OpenMPDirectiveKind DKind) { | ||||||||
1100 | return isOpenMPParallelDirective(DKind) || isOpenMPTeamsDirective(DKind); | ||||||||
1101 | } | ||||||||
1102 | |||||||||
1103 | bool isImplicitOrExplicitTaskingRegion(OpenMPDirectiveKind DKind) { | ||||||||
1104 | return isImplicitTaskingRegion(DKind) || isOpenMPTaskingDirective(DKind) || | ||||||||
1105 | DKind == OMPD_unknown; | ||||||||
1106 | } | ||||||||
1107 | |||||||||
1108 | } // namespace | ||||||||
1109 | |||||||||
1110 | static const Expr *getExprAsWritten(const Expr *E) { | ||||||||
1111 | if (const auto *FE = dyn_cast<FullExpr>(E)) | ||||||||
1112 | E = FE->getSubExpr(); | ||||||||
1113 | |||||||||
1114 | if (const auto *MTE = dyn_cast<MaterializeTemporaryExpr>(E)) | ||||||||
1115 | E = MTE->getSubExpr(); | ||||||||
1116 | |||||||||
1117 | while (const auto *Binder = dyn_cast<CXXBindTemporaryExpr>(E)) | ||||||||
1118 | E = Binder->getSubExpr(); | ||||||||
1119 | |||||||||
1120 | if (const auto *ICE = dyn_cast<ImplicitCastExpr>(E)) | ||||||||
1121 | E = ICE->getSubExprAsWritten(); | ||||||||
1122 | return E->IgnoreParens(); | ||||||||
1123 | } | ||||||||
1124 | |||||||||
1125 | static Expr *getExprAsWritten(Expr *E) { | ||||||||
1126 | return const_cast<Expr *>(getExprAsWritten(const_cast<const Expr *>(E))); | ||||||||
1127 | } | ||||||||
1128 | |||||||||
1129 | static const ValueDecl *getCanonicalDecl(const ValueDecl *D) { | ||||||||
1130 | if (const auto *CED = dyn_cast<OMPCapturedExprDecl>(D)) | ||||||||
1131 | if (const auto *ME = dyn_cast<MemberExpr>(getExprAsWritten(CED->getInit()))) | ||||||||
1132 | D = ME->getMemberDecl(); | ||||||||
1133 | const auto *VD = dyn_cast<VarDecl>(D); | ||||||||
1134 | const auto *FD = dyn_cast<FieldDecl>(D); | ||||||||
1135 | if (VD != nullptr) { | ||||||||
1136 | VD = VD->getCanonicalDecl(); | ||||||||
1137 | D = VD; | ||||||||
1138 | } else { | ||||||||
1139 | assert(FD)((void)0); | ||||||||
1140 | FD = FD->getCanonicalDecl(); | ||||||||
1141 | D = FD; | ||||||||
1142 | } | ||||||||
1143 | return D; | ||||||||
1144 | } | ||||||||
1145 | |||||||||
1146 | static ValueDecl *getCanonicalDecl(ValueDecl *D) { | ||||||||
1147 | return const_cast<ValueDecl *>( | ||||||||
1148 | getCanonicalDecl(const_cast<const ValueDecl *>(D))); | ||||||||
1149 | } | ||||||||
1150 | |||||||||
1151 | DSAStackTy::DSAVarData DSAStackTy::getDSA(const_iterator &Iter, | ||||||||
1152 | ValueDecl *D) const { | ||||||||
1153 | D = getCanonicalDecl(D); | ||||||||
1154 | auto *VD = dyn_cast<VarDecl>(D); | ||||||||
1155 | const auto *FD = dyn_cast<FieldDecl>(D); | ||||||||
1156 | DSAVarData DVar; | ||||||||
1157 | if (Iter == end()) { | ||||||||
1158 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||||||
1159 | // in a region but not in construct] | ||||||||
1160 | // File-scope or namespace-scope variables referenced in called routines | ||||||||
1161 | // in the region are shared unless they appear in a threadprivate | ||||||||
1162 | // directive. | ||||||||
1163 | if (VD && !VD->isFunctionOrMethodVarDecl() && !isa<ParmVarDecl>(VD)) | ||||||||
1164 | DVar.CKind = OMPC_shared; | ||||||||
1165 | |||||||||
1166 | // OpenMP [2.9.1.2, Data-sharing Attribute Rules for Variables Referenced | ||||||||
1167 | // in a region but not in construct] | ||||||||
1168 | // Variables with static storage duration that are declared in called | ||||||||
1169 | // routines in the region are shared. | ||||||||
1170 | if (VD && VD->hasGlobalStorage()) | ||||||||
1171 | DVar.CKind = OMPC_shared; | ||||||||
1172 | |||||||||
1173 | // Non-static data members are shared by default. | ||||||||
1174 | if (FD) | ||||||||
1175 | DVar.CKind = OMPC_shared; | ||||||||
1176 | |||||||||
1177 | return DVar; | ||||||||
1178 | } | ||||||||
1179 | |||||||||
1180 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||||||
1181 | // in a Construct, C/C++, predetermined, p.1] | ||||||||
1182 | // Variables with automatic storage duration that are declared in a scope | ||||||||
1183 | // inside the construct are private. | ||||||||
1184 | if (VD && isOpenMPLocal(VD, Iter) && VD->isLocalVarDecl() && | ||||||||
1185 | (VD->getStorageClass() == SC_Auto || VD->getStorageClass() == SC_None)) { | ||||||||
1186 | DVar.CKind = OMPC_private; | ||||||||
1187 | return DVar; | ||||||||
1188 | } | ||||||||
1189 | |||||||||
1190 | DVar.DKind = Iter->Directive; | ||||||||
1191 | // Explicitly specified attributes and local variables with predetermined | ||||||||
1192 | // attributes. | ||||||||
1193 | if (Iter->SharingMap.count(D)) { | ||||||||
1194 | const DSAInfo &Data = Iter->SharingMap.lookup(D); | ||||||||
1195 | DVar.RefExpr = Data.RefExpr.getPointer(); | ||||||||
1196 | DVar.PrivateCopy = Data.PrivateCopy; | ||||||||
1197 | DVar.CKind = Data.Attributes; | ||||||||
1198 | DVar.ImplicitDSALoc = Iter->DefaultAttrLoc; | ||||||||
1199 | DVar.Modifier = Data.Modifier; | ||||||||
1200 | DVar.AppliedToPointee = Data.AppliedToPointee; | ||||||||
1201 | return DVar; | ||||||||
1202 | } | ||||||||
1203 | |||||||||
1204 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||||||
1205 | // in a Construct, C/C++, implicitly determined, p.1] | ||||||||
1206 | // In a parallel or task construct, the data-sharing attributes of these | ||||||||
1207 | // variables are determined by the default clause, if present. | ||||||||
1208 | switch (Iter->DefaultAttr) { | ||||||||
1209 | case DSA_shared: | ||||||||
1210 | DVar.CKind = OMPC_shared; | ||||||||
1211 | DVar.ImplicitDSALoc = Iter->DefaultAttrLoc; | ||||||||
1212 | return DVar; | ||||||||
1213 | case DSA_none: | ||||||||
1214 | return DVar; | ||||||||
1215 | case DSA_firstprivate: | ||||||||
1216 | if (VD->getStorageDuration() == SD_Static && | ||||||||
1217 | VD->getDeclContext()->isFileContext()) { | ||||||||
1218 | DVar.CKind = OMPC_unknown; | ||||||||
1219 | } else { | ||||||||
1220 | DVar.CKind = OMPC_firstprivate; | ||||||||
1221 | } | ||||||||
1222 | DVar.ImplicitDSALoc = Iter->DefaultAttrLoc; | ||||||||
1223 | return DVar; | ||||||||
1224 | case DSA_unspecified: | ||||||||
1225 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||||||
1226 | // in a Construct, implicitly determined, p.2] | ||||||||
1227 | // In a parallel construct, if no default clause is present, these | ||||||||
1228 | // variables are shared. | ||||||||
1229 | DVar.ImplicitDSALoc = Iter->DefaultAttrLoc; | ||||||||
1230 | if ((isOpenMPParallelDirective(DVar.DKind) && | ||||||||
1231 | !isOpenMPTaskLoopDirective(DVar.DKind)) || | ||||||||
1232 | isOpenMPTeamsDirective(DVar.DKind)) { | ||||||||
1233 | DVar.CKind = OMPC_shared; | ||||||||
1234 | return DVar; | ||||||||
1235 | } | ||||||||
1236 | |||||||||
1237 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||||||
1238 | // in a Construct, implicitly determined, p.4] | ||||||||
1239 | // In a task construct, if no default clause is present, a variable that in | ||||||||
1240 | // the enclosing context is determined to be shared by all implicit tasks | ||||||||
1241 | // bound to the current team is shared. | ||||||||
1242 | if (isOpenMPTaskingDirective(DVar.DKind)) { | ||||||||
1243 | DSAVarData DVarTemp; | ||||||||
1244 | const_iterator I = Iter, E = end(); | ||||||||
1245 | do { | ||||||||
1246 | ++I; | ||||||||
1247 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables | ||||||||
1248 | // Referenced in a Construct, implicitly determined, p.6] | ||||||||
1249 | // In a task construct, if no default clause is present, a variable | ||||||||
1250 | // whose data-sharing attribute is not determined by the rules above is | ||||||||
1251 | // firstprivate. | ||||||||
1252 | DVarTemp = getDSA(I, D); | ||||||||
1253 | if (DVarTemp.CKind != OMPC_shared) { | ||||||||
1254 | DVar.RefExpr = nullptr; | ||||||||
1255 | DVar.CKind = OMPC_firstprivate; | ||||||||
1256 | return DVar; | ||||||||
1257 | } | ||||||||
1258 | } while (I != E && !isImplicitTaskingRegion(I->Directive)); | ||||||||
1259 | DVar.CKind = | ||||||||
1260 | (DVarTemp.CKind == OMPC_unknown) ? OMPC_firstprivate : OMPC_shared; | ||||||||
1261 | return DVar; | ||||||||
1262 | } | ||||||||
1263 | } | ||||||||
1264 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||||||
1265 | // in a Construct, implicitly determined, p.3] | ||||||||
1266 | // For constructs other than task, if no default clause is present, these | ||||||||
1267 | // variables inherit their data-sharing attributes from the enclosing | ||||||||
1268 | // context. | ||||||||
1269 | return getDSA(++Iter, D); | ||||||||
1270 | } | ||||||||
1271 | |||||||||
1272 | const Expr *DSAStackTy::addUniqueAligned(const ValueDecl *D, | ||||||||
1273 | const Expr *NewDE) { | ||||||||
1274 | assert(!isStackEmpty() && "Data sharing attributes stack is empty")((void)0); | ||||||||
1275 | D = getCanonicalDecl(D); | ||||||||
1276 | SharingMapTy &StackElem = getTopOfStack(); | ||||||||
1277 | auto It = StackElem.AlignedMap.find(D); | ||||||||
1278 | if (It == StackElem.AlignedMap.end()) { | ||||||||
1279 | assert(NewDE && "Unexpected nullptr expr to be added into aligned map")((void)0); | ||||||||
1280 | StackElem.AlignedMap[D] = NewDE; | ||||||||
1281 | return nullptr; | ||||||||
1282 | } | ||||||||
1283 | assert(It->second && "Unexpected nullptr expr in the aligned map")((void)0); | ||||||||
1284 | return It->second; | ||||||||
1285 | } | ||||||||
1286 | |||||||||
1287 | const Expr *DSAStackTy::addUniqueNontemporal(const ValueDecl *D, | ||||||||
1288 | const Expr *NewDE) { | ||||||||
1289 | assert(!isStackEmpty() && "Data sharing attributes stack is empty")((void)0); | ||||||||
1290 | D = getCanonicalDecl(D); | ||||||||
1291 | SharingMapTy &StackElem = getTopOfStack(); | ||||||||
1292 | auto It = StackElem.NontemporalMap.find(D); | ||||||||
1293 | if (It == StackElem.NontemporalMap.end()) { | ||||||||
1294 | assert(NewDE && "Unexpected nullptr expr to be added into aligned map")((void)0); | ||||||||
1295 | StackElem.NontemporalMap[D] = NewDE; | ||||||||
1296 | return nullptr; | ||||||||
1297 | } | ||||||||
1298 | assert(It->second && "Unexpected nullptr expr in the aligned map")((void)0); | ||||||||
1299 | return It->second; | ||||||||
1300 | } | ||||||||
1301 | |||||||||
1302 | void DSAStackTy::addLoopControlVariable(const ValueDecl *D, VarDecl *Capture) { | ||||||||
1303 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty")((void)0); | ||||||||
1304 | D = getCanonicalDecl(D); | ||||||||
1305 | SharingMapTy &StackElem = getTopOfStack(); | ||||||||
1306 | StackElem.LCVMap.try_emplace( | ||||||||
1307 | D, LCDeclInfo(StackElem.LCVMap.size() + 1, Capture)); | ||||||||
1308 | } | ||||||||
1309 | |||||||||
1310 | const DSAStackTy::LCDeclInfo | ||||||||
1311 | DSAStackTy::isLoopControlVariable(const ValueDecl *D) const { | ||||||||
1312 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty")((void)0); | ||||||||
1313 | D = getCanonicalDecl(D); | ||||||||
1314 | const SharingMapTy &StackElem = getTopOfStack(); | ||||||||
1315 | auto It = StackElem.LCVMap.find(D); | ||||||||
1316 | if (It != StackElem.LCVMap.end()) | ||||||||
1317 | return It->second; | ||||||||
1318 | return {0, nullptr}; | ||||||||
1319 | } | ||||||||
1320 | |||||||||
1321 | const DSAStackTy::LCDeclInfo | ||||||||
1322 | DSAStackTy::isLoopControlVariable(const ValueDecl *D, unsigned Level) const { | ||||||||
1323 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty")((void)0); | ||||||||
1324 | D = getCanonicalDecl(D); | ||||||||
1325 | for (unsigned I = Level + 1; I > 0; --I) { | ||||||||
1326 | const SharingMapTy &StackElem = getStackElemAtLevel(I - 1); | ||||||||
1327 | auto It = StackElem.LCVMap.find(D); | ||||||||
1328 | if (It != StackElem.LCVMap.end()) | ||||||||
1329 | return It->second; | ||||||||
1330 | } | ||||||||
1331 | return {0, nullptr}; | ||||||||
1332 | } | ||||||||
1333 | |||||||||
1334 | const DSAStackTy::LCDeclInfo | ||||||||
1335 | DSAStackTy::isParentLoopControlVariable(const ValueDecl *D) const { | ||||||||
1336 | const SharingMapTy *Parent = getSecondOnStackOrNull(); | ||||||||
1337 | assert(Parent && "Data-sharing attributes stack is empty")((void)0); | ||||||||
1338 | D = getCanonicalDecl(D); | ||||||||
1339 | auto It = Parent->LCVMap.find(D); | ||||||||
1340 | if (It != Parent->LCVMap.end()) | ||||||||
1341 | return It->second; | ||||||||
1342 | return {0, nullptr}; | ||||||||
1343 | } | ||||||||
1344 | |||||||||
1345 | const ValueDecl *DSAStackTy::getParentLoopControlVariable(unsigned I) const { | ||||||||
1346 | const SharingMapTy *Parent = getSecondOnStackOrNull(); | ||||||||
1347 | assert(Parent && "Data-sharing attributes stack is empty")((void)0); | ||||||||
1348 | if (Parent->LCVMap.size() < I) | ||||||||
1349 | return nullptr; | ||||||||
1350 | for (const auto &Pair : Parent->LCVMap) | ||||||||
1351 | if (Pair.second.first == I) | ||||||||
1352 | return Pair.first; | ||||||||
1353 | return nullptr; | ||||||||
1354 | } | ||||||||
1355 | |||||||||
1356 | void DSAStackTy::addDSA(const ValueDecl *D, const Expr *E, OpenMPClauseKind A, | ||||||||
1357 | DeclRefExpr *PrivateCopy, unsigned Modifier, | ||||||||
1358 | bool AppliedToPointee) { | ||||||||
1359 | D = getCanonicalDecl(D); | ||||||||
1360 | if (A == OMPC_threadprivate) { | ||||||||
1361 | DSAInfo &Data = Threadprivates[D]; | ||||||||
1362 | Data.Attributes = A; | ||||||||
1363 | Data.RefExpr.setPointer(E); | ||||||||
1364 | Data.PrivateCopy = nullptr; | ||||||||
1365 | Data.Modifier = Modifier; | ||||||||
1366 | } else { | ||||||||
1367 | DSAInfo &Data = getTopOfStack().SharingMap[D]; | ||||||||
1368 | assert(Data.Attributes == OMPC_unknown || (A == Data.Attributes) ||((void)0) | ||||||||
1369 | (A == OMPC_firstprivate && Data.Attributes == OMPC_lastprivate) ||((void)0) | ||||||||
1370 | (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate) ||((void)0) | ||||||||
1371 | (isLoopControlVariable(D).first && A == OMPC_private))((void)0); | ||||||||
1372 | Data.Modifier = Modifier; | ||||||||
1373 | if (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate) { | ||||||||
1374 | Data.RefExpr.setInt(/*IntVal=*/true); | ||||||||
1375 | return; | ||||||||
1376 | } | ||||||||
1377 | const bool IsLastprivate = | ||||||||
1378 | A == OMPC_lastprivate || Data.Attributes == OMPC_lastprivate; | ||||||||
1379 | Data.Attributes = A; | ||||||||
1380 | Data.RefExpr.setPointerAndInt(E, IsLastprivate); | ||||||||
1381 | Data.PrivateCopy = PrivateCopy; | ||||||||
1382 | Data.AppliedToPointee = AppliedToPointee; | ||||||||
1383 | if (PrivateCopy) { | ||||||||
1384 | DSAInfo &Data = getTopOfStack().SharingMap[PrivateCopy->getDecl()]; | ||||||||
1385 | Data.Modifier = Modifier; | ||||||||
1386 | Data.Attributes = A; | ||||||||
1387 | Data.RefExpr.setPointerAndInt(PrivateCopy, IsLastprivate); | ||||||||
1388 | Data.PrivateCopy = nullptr; | ||||||||
1389 | Data.AppliedToPointee = AppliedToPointee; | ||||||||
1390 | } | ||||||||
1391 | } | ||||||||
1392 | } | ||||||||
1393 | |||||||||
1394 | /// Build a variable declaration for OpenMP loop iteration variable. | ||||||||
1395 | static VarDecl *buildVarDecl(Sema &SemaRef, SourceLocation Loc, QualType Type, | ||||||||
1396 | StringRef Name, const AttrVec *Attrs = nullptr, | ||||||||
1397 | DeclRefExpr *OrigRef = nullptr) { | ||||||||
1398 | DeclContext *DC = SemaRef.CurContext; | ||||||||
1399 | IdentifierInfo *II = &SemaRef.PP.getIdentifierTable().get(Name); | ||||||||
1400 | TypeSourceInfo *TInfo = SemaRef.Context.getTrivialTypeSourceInfo(Type, Loc); | ||||||||
1401 | auto *Decl = | ||||||||
1402 | VarDecl::Create(SemaRef.Context, DC, Loc, Loc, II, Type, TInfo, SC_None); | ||||||||
1403 | if (Attrs) { | ||||||||
1404 | for (specific_attr_iterator<AlignedAttr> I(Attrs->begin()), E(Attrs->end()); | ||||||||
1405 | I != E; ++I) | ||||||||
1406 | Decl->addAttr(*I); | ||||||||
1407 | } | ||||||||
1408 | Decl->setImplicit(); | ||||||||
1409 | if (OrigRef) { | ||||||||
1410 | Decl->addAttr( | ||||||||
1411 | OMPReferencedVarAttr::CreateImplicit(SemaRef.Context, OrigRef)); | ||||||||
1412 | } | ||||||||
1413 | return Decl; | ||||||||
1414 | } | ||||||||
1415 | |||||||||
1416 | static DeclRefExpr *buildDeclRefExpr(Sema &S, VarDecl *D, QualType Ty, | ||||||||
1417 | SourceLocation Loc, | ||||||||
1418 | bool RefersToCapture = false) { | ||||||||
1419 | D->setReferenced(); | ||||||||
1420 | D->markUsed(S.Context); | ||||||||
1421 | return DeclRefExpr::Create(S.getASTContext(), NestedNameSpecifierLoc(), | ||||||||
1422 | SourceLocation(), D, RefersToCapture, Loc, Ty, | ||||||||
1423 | VK_LValue); | ||||||||
1424 | } | ||||||||
1425 | |||||||||
1426 | void DSAStackTy::addTaskgroupReductionData(const ValueDecl *D, SourceRange SR, | ||||||||
1427 | BinaryOperatorKind BOK) { | ||||||||
1428 | D = getCanonicalDecl(D); | ||||||||
1429 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty")((void)0); | ||||||||
1430 | assert(((void)0) | ||||||||
1431 | getTopOfStack().SharingMap[D].Attributes == OMPC_reduction &&((void)0) | ||||||||
1432 | "Additional reduction info may be specified only for reduction items.")((void)0); | ||||||||
1433 | ReductionData &ReductionData = getTopOfStack().ReductionMap[D]; | ||||||||
1434 | assert(ReductionData.ReductionRange.isInvalid() &&((void)0) | ||||||||
1435 | (getTopOfStack().Directive == OMPD_taskgroup ||((void)0) | ||||||||
1436 | ((isOpenMPParallelDirective(getTopOfStack().Directive) ||((void)0) | ||||||||
1437 | isOpenMPWorksharingDirective(getTopOfStack().Directive)) &&((void)0) | ||||||||
1438 | !isOpenMPSimdDirective(getTopOfStack().Directive))) &&((void)0) | ||||||||
1439 | "Additional reduction info may be specified only once for reduction "((void)0) | ||||||||
1440 | "items.")((void)0); | ||||||||
1441 | ReductionData.set(BOK, SR); | ||||||||
1442 | Expr *&TaskgroupReductionRef = | ||||||||
1443 | getTopOfStack().TaskgroupReductionRef; | ||||||||
1444 | if (!TaskgroupReductionRef) { | ||||||||
1445 | VarDecl *VD = buildVarDecl(SemaRef, SR.getBegin(), | ||||||||
1446 | SemaRef.Context.VoidPtrTy, ".task_red."); | ||||||||
1447 | TaskgroupReductionRef = | ||||||||
1448 | buildDeclRefExpr(SemaRef, VD, SemaRef.Context.VoidPtrTy, SR.getBegin()); | ||||||||
1449 | } | ||||||||
1450 | } | ||||||||
1451 | |||||||||
1452 | void DSAStackTy::addTaskgroupReductionData(const ValueDecl *D, SourceRange SR, | ||||||||
1453 | const Expr *ReductionRef) { | ||||||||
1454 | D = getCanonicalDecl(D); | ||||||||
1455 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty")((void)0); | ||||||||
1456 | assert(((void)0) | ||||||||
1457 | getTopOfStack().SharingMap[D].Attributes == OMPC_reduction &&((void)0) | ||||||||
1458 | "Additional reduction info may be specified only for reduction items.")((void)0); | ||||||||
1459 | ReductionData &ReductionData = getTopOfStack().ReductionMap[D]; | ||||||||
1460 | assert(ReductionData.ReductionRange.isInvalid() &&((void)0) | ||||||||
1461 | (getTopOfStack().Directive == OMPD_taskgroup ||((void)0) | ||||||||
1462 | ((isOpenMPParallelDirective(getTopOfStack().Directive) ||((void)0) | ||||||||
1463 | isOpenMPWorksharingDirective(getTopOfStack().Directive)) &&((void)0) | ||||||||
1464 | !isOpenMPSimdDirective(getTopOfStack().Directive))) &&((void)0) | ||||||||
1465 | "Additional reduction info may be specified only once for reduction "((void)0) | ||||||||
1466 | "items.")((void)0); | ||||||||
1467 | ReductionData.set(ReductionRef, SR); | ||||||||
1468 | Expr *&TaskgroupReductionRef = | ||||||||
1469 | getTopOfStack().TaskgroupReductionRef; | ||||||||
1470 | if (!TaskgroupReductionRef) { | ||||||||
1471 | VarDecl *VD = buildVarDecl(SemaRef, SR.getBegin(), | ||||||||
1472 | SemaRef.Context.VoidPtrTy, ".task_red."); | ||||||||
1473 | TaskgroupReductionRef = | ||||||||
1474 | buildDeclRefExpr(SemaRef, VD, SemaRef.Context.VoidPtrTy, SR.getBegin()); | ||||||||
1475 | } | ||||||||
1476 | } | ||||||||
1477 | |||||||||
1478 | const DSAStackTy::DSAVarData DSAStackTy::getTopMostTaskgroupReductionData( | ||||||||
1479 | const ValueDecl *D, SourceRange &SR, BinaryOperatorKind &BOK, | ||||||||
1480 | Expr *&TaskgroupDescriptor) const { | ||||||||
1481 | D = getCanonicalDecl(D); | ||||||||
1482 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty.")((void)0); | ||||||||
1483 | for (const_iterator I = begin() + 1, E = end(); I != E; ++I) { | ||||||||
1484 | const DSAInfo &Data = I->SharingMap.lookup(D); | ||||||||
1485 | if (Data.Attributes != OMPC_reduction || | ||||||||
1486 | Data.Modifier != OMPC_REDUCTION_task) | ||||||||
1487 | continue; | ||||||||
1488 | const ReductionData &ReductionData = I->ReductionMap.lookup(D); | ||||||||
1489 | if (!ReductionData.ReductionOp || | ||||||||
1490 | ReductionData.ReductionOp.is<const Expr *>()) | ||||||||
1491 | return DSAVarData(); | ||||||||
1492 | SR = ReductionData.ReductionRange; | ||||||||
1493 | BOK = ReductionData.ReductionOp.get<ReductionData::BOKPtrType>(); | ||||||||
1494 | assert(I->TaskgroupReductionRef && "taskgroup reduction reference "((void)0) | ||||||||
1495 | "expression for the descriptor is not "((void)0) | ||||||||
1496 | "set.")((void)0); | ||||||||
1497 | TaskgroupDescriptor = I->TaskgroupReductionRef; | ||||||||
1498 | return DSAVarData(I->Directive, OMPC_reduction, Data.RefExpr.getPointer(), | ||||||||
1499 | Data.PrivateCopy, I->DefaultAttrLoc, OMPC_REDUCTION_task, | ||||||||
1500 | /*AppliedToPointee=*/false); | ||||||||
1501 | } | ||||||||
1502 | return DSAVarData(); | ||||||||
1503 | } | ||||||||
1504 | |||||||||
1505 | const DSAStackTy::DSAVarData DSAStackTy::getTopMostTaskgroupReductionData( | ||||||||
1506 | const ValueDecl *D, SourceRange &SR, const Expr *&ReductionRef, | ||||||||
1507 | Expr *&TaskgroupDescriptor) const { | ||||||||
1508 | D = getCanonicalDecl(D); | ||||||||
1509 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty.")((void)0); | ||||||||
1510 | for (const_iterator I = begin() + 1, E = end(); I != E; ++I) { | ||||||||
1511 | const DSAInfo &Data = I->SharingMap.lookup(D); | ||||||||
1512 | if (Data.Attributes != OMPC_reduction || | ||||||||
1513 | Data.Modifier != OMPC_REDUCTION_task) | ||||||||
1514 | continue; | ||||||||
1515 | const ReductionData &ReductionData = I->ReductionMap.lookup(D); | ||||||||
1516 | if (!ReductionData.ReductionOp || | ||||||||
1517 | !ReductionData.ReductionOp.is<const Expr *>()) | ||||||||
1518 | return DSAVarData(); | ||||||||
1519 | SR = ReductionData.ReductionRange; | ||||||||
1520 | ReductionRef = ReductionData.ReductionOp.get<const Expr *>(); | ||||||||
1521 | assert(I->TaskgroupReductionRef && "taskgroup reduction reference "((void)0) | ||||||||
1522 | "expression for the descriptor is not "((void)0) | ||||||||
1523 | "set.")((void)0); | ||||||||
1524 | TaskgroupDescriptor = I->TaskgroupReductionRef; | ||||||||
1525 | return DSAVarData(I->Directive, OMPC_reduction, Data.RefExpr.getPointer(), | ||||||||
1526 | Data.PrivateCopy, I->DefaultAttrLoc, OMPC_REDUCTION_task, | ||||||||
1527 | /*AppliedToPointee=*/false); | ||||||||
1528 | } | ||||||||
1529 | return DSAVarData(); | ||||||||
1530 | } | ||||||||
1531 | |||||||||
1532 | bool DSAStackTy::isOpenMPLocal(VarDecl *D, const_iterator I) const { | ||||||||
1533 | D = D->getCanonicalDecl(); | ||||||||
1534 | for (const_iterator E = end(); I != E; ++I) { | ||||||||
1535 | if (isImplicitOrExplicitTaskingRegion(I->Directive) || | ||||||||
1536 | isOpenMPTargetExecutionDirective(I->Directive)) { | ||||||||
1537 | if (I->CurScope) { | ||||||||
1538 | Scope *TopScope = I->CurScope->getParent(); | ||||||||
1539 | Scope *CurScope = getCurScope(); | ||||||||
1540 | while (CurScope && CurScope != TopScope && !CurScope->isDeclScope(D)) | ||||||||
1541 | CurScope = CurScope->getParent(); | ||||||||
1542 | return CurScope != TopScope; | ||||||||
1543 | } | ||||||||
1544 | for (DeclContext *DC = D->getDeclContext(); DC; DC = DC->getParent()) | ||||||||
1545 | if (I->Context == DC) | ||||||||
1546 | return true; | ||||||||
1547 | return false; | ||||||||
1548 | } | ||||||||
1549 | } | ||||||||
1550 | return false; | ||||||||
1551 | } | ||||||||
1552 | |||||||||
1553 | static bool isConstNotMutableType(Sema &SemaRef, QualType Type, | ||||||||
1554 | bool AcceptIfMutable = true, | ||||||||
1555 | bool *IsClassType = nullptr) { | ||||||||
1556 | ASTContext &Context = SemaRef.getASTContext(); | ||||||||
1557 | Type = Type.getNonReferenceType().getCanonicalType(); | ||||||||
1558 | bool IsConstant = Type.isConstant(Context); | ||||||||
1559 | Type = Context.getBaseElementType(Type); | ||||||||
1560 | const CXXRecordDecl *RD = AcceptIfMutable && SemaRef.getLangOpts().CPlusPlus | ||||||||
1561 | ? Type->getAsCXXRecordDecl() | ||||||||
1562 | : nullptr; | ||||||||
1563 | if (const auto *CTSD = dyn_cast_or_null<ClassTemplateSpecializationDecl>(RD)) | ||||||||
1564 | if (const ClassTemplateDecl *CTD = CTSD->getSpecializedTemplate()) | ||||||||
1565 | RD = CTD->getTemplatedDecl(); | ||||||||
1566 | if (IsClassType) | ||||||||
1567 | *IsClassType = RD; | ||||||||
1568 | return IsConstant && !(SemaRef.getLangOpts().CPlusPlus && RD && | ||||||||
1569 | RD->hasDefinition() && RD->hasMutableFields()); | ||||||||
1570 | } | ||||||||
1571 | |||||||||
1572 | static bool rejectConstNotMutableType(Sema &SemaRef, const ValueDecl *D, | ||||||||
1573 | QualType Type, OpenMPClauseKind CKind, | ||||||||
1574 | SourceLocation ELoc, | ||||||||
1575 | bool AcceptIfMutable = true, | ||||||||
1576 | bool ListItemNotVar = false) { | ||||||||
1577 | ASTContext &Context = SemaRef.getASTContext(); | ||||||||
1578 | bool IsClassType; | ||||||||
1579 | if (isConstNotMutableType(SemaRef, Type, AcceptIfMutable, &IsClassType)) { | ||||||||
1580 | unsigned Diag = ListItemNotVar | ||||||||
1581 | ? diag::err_omp_const_list_item | ||||||||
1582 | : IsClassType ? diag::err_omp_const_not_mutable_variable | ||||||||
1583 | : diag::err_omp_const_variable; | ||||||||
1584 | SemaRef.Diag(ELoc, Diag) << getOpenMPClauseName(CKind); | ||||||||
1585 | if (!ListItemNotVar && D) { | ||||||||
1586 | const VarDecl *VD = dyn_cast<VarDecl>(D); | ||||||||
1587 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == | ||||||||
1588 | VarDecl::DeclarationOnly; | ||||||||
1589 | SemaRef.Diag(D->getLocation(), | ||||||||
1590 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||||||
1591 | << D; | ||||||||
1592 | } | ||||||||
1593 | return true; | ||||||||
1594 | } | ||||||||
1595 | return false; | ||||||||
1596 | } | ||||||||
1597 | |||||||||
1598 | const DSAStackTy::DSAVarData DSAStackTy::getTopDSA(ValueDecl *D, | ||||||||
1599 | bool FromParent) { | ||||||||
1600 | D = getCanonicalDecl(D); | ||||||||
1601 | DSAVarData DVar; | ||||||||
1602 | |||||||||
1603 | auto *VD = dyn_cast<VarDecl>(D); | ||||||||
1604 | auto TI = Threadprivates.find(D); | ||||||||
1605 | if (TI != Threadprivates.end()) { | ||||||||
1606 | DVar.RefExpr = TI->getSecond().RefExpr.getPointer(); | ||||||||
1607 | DVar.CKind = OMPC_threadprivate; | ||||||||
1608 | DVar.Modifier = TI->getSecond().Modifier; | ||||||||
1609 | return DVar; | ||||||||
1610 | } | ||||||||
1611 | if (VD && VD->hasAttr<OMPThreadPrivateDeclAttr>()) { | ||||||||
1612 | DVar.RefExpr = buildDeclRefExpr( | ||||||||
1613 | SemaRef, VD, D->getType().getNonReferenceType(), | ||||||||
1614 | VD->getAttr<OMPThreadPrivateDeclAttr>()->getLocation()); | ||||||||
1615 | DVar.CKind = OMPC_threadprivate; | ||||||||
1616 | addDSA(D, DVar.RefExpr, OMPC_threadprivate); | ||||||||
1617 | return DVar; | ||||||||
1618 | } | ||||||||
1619 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||||||
1620 | // in a Construct, C/C++, predetermined, p.1] | ||||||||
1621 | // Variables appearing in threadprivate directives are threadprivate. | ||||||||
1622 | if ((VD && VD->getTLSKind() != VarDecl::TLS_None && | ||||||||
1623 | !(VD->hasAttr<OMPThreadPrivateDeclAttr>() && | ||||||||
1624 | SemaRef.getLangOpts().OpenMPUseTLS && | ||||||||
1625 | SemaRef.getASTContext().getTargetInfo().isTLSSupported())) || | ||||||||
1626 | (VD && VD->getStorageClass() == SC_Register && | ||||||||
1627 | VD->hasAttr<AsmLabelAttr>() && !VD->isLocalVarDecl())) { | ||||||||
1628 | DVar.RefExpr = buildDeclRefExpr( | ||||||||
1629 | SemaRef, VD, D->getType().getNonReferenceType(), D->getLocation()); | ||||||||
1630 | DVar.CKind = OMPC_threadprivate; | ||||||||
1631 | addDSA(D, DVar.RefExpr, OMPC_threadprivate); | ||||||||
1632 | return DVar; | ||||||||
1633 | } | ||||||||
1634 | if (SemaRef.getLangOpts().OpenMPCUDAMode && VD && | ||||||||
1635 | VD->isLocalVarDeclOrParm() && !isStackEmpty() && | ||||||||
1636 | !isLoopControlVariable(D).first) { | ||||||||
1637 | const_iterator IterTarget = | ||||||||
1638 | std::find_if(begin(), end(), [](const SharingMapTy &Data) { | ||||||||
1639 | return isOpenMPTargetExecutionDirective(Data.Directive); | ||||||||
1640 | }); | ||||||||
1641 | if (IterTarget != end()) { | ||||||||
1642 | const_iterator ParentIterTarget = IterTarget + 1; | ||||||||
1643 | for (const_iterator Iter = begin(); | ||||||||
1644 | Iter != ParentIterTarget; ++Iter) { | ||||||||
1645 | if (isOpenMPLocal(VD, Iter)) { | ||||||||
1646 | DVar.RefExpr = | ||||||||
1647 | buildDeclRefExpr(SemaRef, VD, D->getType().getNonReferenceType(), | ||||||||
1648 | D->getLocation()); | ||||||||
1649 | DVar.CKind = OMPC_threadprivate; | ||||||||
1650 | return DVar; | ||||||||
1651 | } | ||||||||
1652 | } | ||||||||
1653 | if (!isClauseParsingMode() || IterTarget != begin()) { | ||||||||
1654 | auto DSAIter = IterTarget->SharingMap.find(D); | ||||||||
1655 | if (DSAIter != IterTarget->SharingMap.end() && | ||||||||
1656 | isOpenMPPrivate(DSAIter->getSecond().Attributes)) { | ||||||||
1657 | DVar.RefExpr = DSAIter->getSecond().RefExpr.getPointer(); | ||||||||
1658 | DVar.CKind = OMPC_threadprivate; | ||||||||
1659 | return DVar; | ||||||||
1660 | } | ||||||||
1661 | const_iterator End = end(); | ||||||||
1662 | if (!SemaRef.isOpenMPCapturedByRef( | ||||||||
1663 | D, std::distance(ParentIterTarget, End), | ||||||||
1664 | /*OpenMPCaptureLevel=*/0)) { | ||||||||
1665 | DVar.RefExpr = | ||||||||
1666 | buildDeclRefExpr(SemaRef, VD, D->getType().getNonReferenceType(), | ||||||||
1667 | IterTarget->ConstructLoc); | ||||||||
1668 | DVar.CKind = OMPC_threadprivate; | ||||||||
1669 | return DVar; | ||||||||
1670 | } | ||||||||
1671 | } | ||||||||
1672 | } | ||||||||
1673 | } | ||||||||
1674 | |||||||||
1675 | if (isStackEmpty()) | ||||||||
1676 | // Not in OpenMP execution region and top scope was already checked. | ||||||||
1677 | return DVar; | ||||||||
1678 | |||||||||
1679 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||||||
1680 | // in a Construct, C/C++, predetermined, p.4] | ||||||||
1681 | // Static data members are shared. | ||||||||
1682 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||||||
1683 | // in a Construct, C/C++, predetermined, p.7] | ||||||||
1684 | // Variables with static storage duration that are declared in a scope | ||||||||
1685 | // inside the construct are shared. | ||||||||
1686 | if (VD && VD->isStaticDataMember()) { | ||||||||
1687 | // Check for explicitly specified attributes. | ||||||||
1688 | const_iterator I = begin(); | ||||||||
1689 | const_iterator EndI = end(); | ||||||||
1690 | if (FromParent && I != EndI) | ||||||||
1691 | ++I; | ||||||||
1692 | if (I != EndI) { | ||||||||
1693 | auto It = I->SharingMap.find(D); | ||||||||
1694 | if (It != I->SharingMap.end()) { | ||||||||
1695 | const DSAInfo &Data = It->getSecond(); | ||||||||
1696 | DVar.RefExpr = Data.RefExpr.getPointer(); | ||||||||
1697 | DVar.PrivateCopy = Data.PrivateCopy; | ||||||||
1698 | DVar.CKind = Data.Attributes; | ||||||||
1699 | DVar.ImplicitDSALoc = I->DefaultAttrLoc; | ||||||||
1700 | DVar.DKind = I->Directive; | ||||||||
1701 | DVar.Modifier = Data.Modifier; | ||||||||
1702 | DVar.AppliedToPointee = Data.AppliedToPointee; | ||||||||
1703 | return DVar; | ||||||||
1704 | } | ||||||||
1705 | } | ||||||||
1706 | |||||||||
1707 | DVar.CKind = OMPC_shared; | ||||||||
1708 | return DVar; | ||||||||
1709 | } | ||||||||
1710 | |||||||||
1711 | auto &&MatchesAlways = [](OpenMPDirectiveKind) { return true; }; | ||||||||
1712 | // The predetermined shared attribute for const-qualified types having no | ||||||||
1713 | // mutable members was removed after OpenMP 3.1. | ||||||||
1714 | if (SemaRef.LangOpts.OpenMP <= 31) { | ||||||||
1715 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||||||
1716 | // in a Construct, C/C++, predetermined, p.6] | ||||||||
1717 | // Variables with const qualified type having no mutable member are | ||||||||
1718 | // shared. | ||||||||
1719 | if (isConstNotMutableType(SemaRef, D->getType())) { | ||||||||
1720 | // Variables with const-qualified type having no mutable member may be | ||||||||
1721 | // listed in a firstprivate clause, even if they are static data members. | ||||||||
1722 | DSAVarData DVarTemp = hasInnermostDSA( | ||||||||
1723 | D, | ||||||||
1724 | [](OpenMPClauseKind C, bool) { | ||||||||
1725 | return C == OMPC_firstprivate || C == OMPC_shared; | ||||||||
1726 | }, | ||||||||
1727 | MatchesAlways, FromParent); | ||||||||
1728 | if (DVarTemp.CKind != OMPC_unknown && DVarTemp.RefExpr) | ||||||||
1729 | return DVarTemp; | ||||||||
1730 | |||||||||
1731 | DVar.CKind = OMPC_shared; | ||||||||
1732 | return DVar; | ||||||||
1733 | } | ||||||||
1734 | } | ||||||||
1735 | |||||||||
1736 | // Explicitly specified attributes and local variables with predetermined | ||||||||
1737 | // attributes. | ||||||||
1738 | const_iterator I = begin(); | ||||||||
1739 | const_iterator EndI = end(); | ||||||||
1740 | if (FromParent && I != EndI) | ||||||||
1741 | ++I; | ||||||||
1742 | if (I == EndI) | ||||||||
1743 | return DVar; | ||||||||
1744 | auto It = I->SharingMap.find(D); | ||||||||
1745 | if (It != I->SharingMap.end()) { | ||||||||
1746 | const DSAInfo &Data = It->getSecond(); | ||||||||
1747 | DVar.RefExpr = Data.RefExpr.getPointer(); | ||||||||
1748 | DVar.PrivateCopy = Data.PrivateCopy; | ||||||||
1749 | DVar.CKind = Data.Attributes; | ||||||||
1750 | DVar.ImplicitDSALoc = I->DefaultAttrLoc; | ||||||||
1751 | DVar.DKind = I->Directive; | ||||||||
1752 | DVar.Modifier = Data.Modifier; | ||||||||
1753 | DVar.AppliedToPointee = Data.AppliedToPointee; | ||||||||
1754 | } | ||||||||
1755 | |||||||||
1756 | return DVar; | ||||||||
1757 | } | ||||||||
1758 | |||||||||
1759 | const DSAStackTy::DSAVarData DSAStackTy::getImplicitDSA(ValueDecl *D, | ||||||||
1760 | bool FromParent) const { | ||||||||
1761 | if (isStackEmpty()) { | ||||||||
1762 | const_iterator I; | ||||||||
1763 | return getDSA(I, D); | ||||||||
1764 | } | ||||||||
1765 | D = getCanonicalDecl(D); | ||||||||
1766 | const_iterator StartI = begin(); | ||||||||
1767 | const_iterator EndI = end(); | ||||||||
1768 | if (FromParent && StartI != EndI) | ||||||||
1769 | ++StartI; | ||||||||
1770 | return getDSA(StartI, D); | ||||||||
1771 | } | ||||||||
1772 | |||||||||
1773 | const DSAStackTy::DSAVarData DSAStackTy::getImplicitDSA(ValueDecl *D, | ||||||||
1774 | unsigned Level) const { | ||||||||
1775 | if (getStackSize() <= Level) | ||||||||
1776 | return DSAVarData(); | ||||||||
1777 | D = getCanonicalDecl(D); | ||||||||
1778 | const_iterator StartI = std::next(begin(), getStackSize() - 1 - Level); | ||||||||
1779 | return getDSA(StartI, D); | ||||||||
1780 | } | ||||||||
1781 | |||||||||
1782 | const DSAStackTy::DSAVarData | ||||||||
1783 | DSAStackTy::hasDSA(ValueDecl *D, | ||||||||
1784 | const llvm::function_ref<bool(OpenMPClauseKind, bool)> CPred, | ||||||||
1785 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, | ||||||||
1786 | bool FromParent) const { | ||||||||
1787 | if (isStackEmpty()) | ||||||||
1788 | return {}; | ||||||||
1789 | D = getCanonicalDecl(D); | ||||||||
1790 | const_iterator I = begin(); | ||||||||
1791 | const_iterator EndI = end(); | ||||||||
1792 | if (FromParent && I != EndI) | ||||||||
1793 | ++I; | ||||||||
1794 | for (; I != EndI; ++I) { | ||||||||
1795 | if (!DPred(I->Directive) && | ||||||||
1796 | !isImplicitOrExplicitTaskingRegion(I->Directive)) | ||||||||
1797 | continue; | ||||||||
1798 | const_iterator NewI = I; | ||||||||
1799 | DSAVarData DVar = getDSA(NewI, D); | ||||||||
1800 | if (I == NewI && CPred(DVar.CKind, DVar.AppliedToPointee)) | ||||||||
1801 | return DVar; | ||||||||
1802 | } | ||||||||
1803 | return {}; | ||||||||
1804 | } | ||||||||
1805 | |||||||||
1806 | const DSAStackTy::DSAVarData DSAStackTy::hasInnermostDSA( | ||||||||
1807 | ValueDecl *D, const llvm::function_ref<bool(OpenMPClauseKind, bool)> CPred, | ||||||||
1808 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, | ||||||||
1809 | bool FromParent) const { | ||||||||
1810 | if (isStackEmpty()) | ||||||||
1811 | return {}; | ||||||||
1812 | D = getCanonicalDecl(D); | ||||||||
1813 | const_iterator StartI = begin(); | ||||||||
1814 | const_iterator EndI = end(); | ||||||||
1815 | if (FromParent && StartI != EndI) | ||||||||
1816 | ++StartI; | ||||||||
1817 | if (StartI == EndI || !DPred(StartI->Directive)) | ||||||||
1818 | return {}; | ||||||||
1819 | const_iterator NewI = StartI; | ||||||||
1820 | DSAVarData DVar = getDSA(NewI, D); | ||||||||
1821 | return (NewI == StartI && CPred(DVar.CKind, DVar.AppliedToPointee)) | ||||||||
1822 | ? DVar | ||||||||
1823 | : DSAVarData(); | ||||||||
1824 | } | ||||||||
1825 | |||||||||
1826 | bool DSAStackTy::hasExplicitDSA( | ||||||||
1827 | const ValueDecl *D, | ||||||||
1828 | const llvm::function_ref<bool(OpenMPClauseKind, bool)> CPred, | ||||||||
1829 | unsigned Level, bool NotLastprivate) const { | ||||||||
1830 | if (getStackSize() <= Level) | ||||||||
1831 | return false; | ||||||||
1832 | D = getCanonicalDecl(D); | ||||||||
1833 | const SharingMapTy &StackElem = getStackElemAtLevel(Level); | ||||||||
1834 | auto I = StackElem.SharingMap.find(D); | ||||||||
1835 | if (I != StackElem.SharingMap.end() && I->getSecond().RefExpr.getPointer() && | ||||||||
1836 | CPred(I->getSecond().Attributes, I->getSecond().AppliedToPointee) && | ||||||||
1837 | (!NotLastprivate || !I->getSecond().RefExpr.getInt())) | ||||||||
1838 | return true; | ||||||||
1839 | // Check predetermined rules for the loop control variables. | ||||||||
1840 | auto LI = StackElem.LCVMap.find(D); | ||||||||
1841 | if (LI != StackElem.LCVMap.end()) | ||||||||
1842 | return CPred(OMPC_private, /*AppliedToPointee=*/false); | ||||||||
1843 | return false; | ||||||||
1844 | } | ||||||||
1845 | |||||||||
1846 | bool DSAStackTy::hasExplicitDirective( | ||||||||
1847 | const llvm::function_ref<bool(OpenMPDirectiveKind)> DPred, | ||||||||
1848 | unsigned Level) const { | ||||||||
1849 | if (getStackSize() <= Level) | ||||||||
1850 | return false; | ||||||||
1851 | const SharingMapTy &StackElem = getStackElemAtLevel(Level); | ||||||||
1852 | return DPred(StackElem.Directive); | ||||||||
1853 | } | ||||||||
1854 | |||||||||
1855 | bool DSAStackTy::hasDirective( | ||||||||
1856 | const llvm::function_ref<bool(OpenMPDirectiveKind, | ||||||||
1857 | const DeclarationNameInfo &, SourceLocation)> | ||||||||
1858 | DPred, | ||||||||
1859 | bool FromParent) const { | ||||||||
1860 | // We look only in the enclosing region. | ||||||||
1861 | size_t Skip = FromParent ? 2 : 1; | ||||||||
1862 | for (const_iterator I = begin() + std::min(Skip, getStackSize()), E = end(); | ||||||||
1863 | I != E; ++I) { | ||||||||
1864 | if (DPred(I->Directive, I->DirectiveName, I->ConstructLoc)) | ||||||||
1865 | return true; | ||||||||
1866 | } | ||||||||
1867 | return false; | ||||||||
1868 | } | ||||||||
1869 | |||||||||
1870 | void Sema::InitDataSharingAttributesStack() { | ||||||||
1871 | VarDataSharingAttributesStack = new DSAStackTy(*this); | ||||||||
1872 | } | ||||||||
1873 | |||||||||
1874 | #define DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ) static_cast<DSAStackTy *>(VarDataSharingAttributesStack) | ||||||||
1875 | |||||||||
1876 | void Sema::pushOpenMPFunctionRegion() { | ||||||||
1877 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->pushFunction(); | ||||||||
1878 | } | ||||||||
1879 | |||||||||
1880 | void Sema::popOpenMPFunctionRegion(const FunctionScopeInfo *OldFSI) { | ||||||||
1881 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->popFunction(OldFSI); | ||||||||
1882 | } | ||||||||
1883 | |||||||||
1884 | static bool isOpenMPDeviceDelayedContext(Sema &S) { | ||||||||
1885 | assert(S.LangOpts.OpenMP && S.LangOpts.OpenMPIsDevice &&((void)0) | ||||||||
1886 | "Expected OpenMP device compilation.")((void)0); | ||||||||
1887 | return !S.isInOpenMPTargetExecutionDirective(); | ||||||||
1888 | } | ||||||||
1889 | |||||||||
1890 | namespace { | ||||||||
1891 | /// Status of the function emission on the host/device. | ||||||||
1892 | enum class FunctionEmissionStatus { | ||||||||
1893 | Emitted, | ||||||||
1894 | Discarded, | ||||||||
1895 | Unknown, | ||||||||
1896 | }; | ||||||||
1897 | } // anonymous namespace | ||||||||
1898 | |||||||||
1899 | Sema::SemaDiagnosticBuilder Sema::diagIfOpenMPDeviceCode(SourceLocation Loc, | ||||||||
1900 | unsigned DiagID, | ||||||||
1901 | FunctionDecl *FD) { | ||||||||
1902 | assert(LangOpts.OpenMP && LangOpts.OpenMPIsDevice &&((void)0) | ||||||||
1903 | "Expected OpenMP device compilation.")((void)0); | ||||||||
1904 | |||||||||
1905 | SemaDiagnosticBuilder::Kind Kind = SemaDiagnosticBuilder::K_Nop; | ||||||||
1906 | if (FD) { | ||||||||
1907 | FunctionEmissionStatus FES = getEmissionStatus(FD); | ||||||||
1908 | switch (FES) { | ||||||||
1909 | case FunctionEmissionStatus::Emitted: | ||||||||
1910 | Kind = SemaDiagnosticBuilder::K_Immediate; | ||||||||
1911 | break; | ||||||||
1912 | case FunctionEmissionStatus::Unknown: | ||||||||
1913 | // TODO: We should always delay diagnostics here in case a target | ||||||||
1914 | // region is in a function we do not emit. However, as the | ||||||||
1915 | // current diagnostics are associated with the function containing | ||||||||
1916 | // the target region and we do not emit that one, we would miss out | ||||||||
1917 | // on diagnostics for the target region itself. We need to anchor | ||||||||
1918 | // the diagnostics with the new generated function *or* ensure we | ||||||||
1919 | // emit diagnostics associated with the surrounding function. | ||||||||
1920 | Kind = isOpenMPDeviceDelayedContext(*this) | ||||||||
1921 | ? SemaDiagnosticBuilder::K_Deferred | ||||||||
1922 | : SemaDiagnosticBuilder::K_Immediate; | ||||||||
1923 | break; | ||||||||
1924 | case FunctionEmissionStatus::TemplateDiscarded: | ||||||||
1925 | case FunctionEmissionStatus::OMPDiscarded: | ||||||||
1926 | Kind = SemaDiagnosticBuilder::K_Nop; | ||||||||
1927 | break; | ||||||||
1928 | case FunctionEmissionStatus::CUDADiscarded: | ||||||||
1929 | llvm_unreachable("CUDADiscarded unexpected in OpenMP device compilation")__builtin_unreachable(); | ||||||||
1930 | break; | ||||||||
1931 | } | ||||||||
1932 | } | ||||||||
1933 | |||||||||
1934 | return SemaDiagnosticBuilder(Kind, Loc, DiagID, FD, *this); | ||||||||
1935 | } | ||||||||
1936 | |||||||||
1937 | Sema::SemaDiagnosticBuilder Sema::diagIfOpenMPHostCode(SourceLocation Loc, | ||||||||
1938 | unsigned DiagID, | ||||||||
1939 | FunctionDecl *FD) { | ||||||||
1940 | assert(LangOpts.OpenMP && !LangOpts.OpenMPIsDevice &&((void)0) | ||||||||
1941 | "Expected OpenMP host compilation.")((void)0); | ||||||||
1942 | |||||||||
1943 | SemaDiagnosticBuilder::Kind Kind = SemaDiagnosticBuilder::K_Nop; | ||||||||
1944 | if (FD) { | ||||||||
1945 | FunctionEmissionStatus FES = getEmissionStatus(FD); | ||||||||
1946 | switch (FES) { | ||||||||
1947 | case FunctionEmissionStatus::Emitted: | ||||||||
1948 | Kind = SemaDiagnosticBuilder::K_Immediate; | ||||||||
1949 | break; | ||||||||
1950 | case FunctionEmissionStatus::Unknown: | ||||||||
1951 | Kind = SemaDiagnosticBuilder::K_Deferred; | ||||||||
1952 | break; | ||||||||
1953 | case FunctionEmissionStatus::TemplateDiscarded: | ||||||||
1954 | case FunctionEmissionStatus::OMPDiscarded: | ||||||||
1955 | case FunctionEmissionStatus::CUDADiscarded: | ||||||||
1956 | Kind = SemaDiagnosticBuilder::K_Nop; | ||||||||
1957 | break; | ||||||||
1958 | } | ||||||||
1959 | } | ||||||||
1960 | |||||||||
1961 | return SemaDiagnosticBuilder(Kind, Loc, DiagID, FD, *this); | ||||||||
1962 | } | ||||||||
1963 | |||||||||
1964 | static OpenMPDefaultmapClauseKind | ||||||||
1965 | getVariableCategoryFromDecl(const LangOptions &LO, const ValueDecl *VD) { | ||||||||
1966 | if (LO.OpenMP <= 45) { | ||||||||
1967 | if (VD->getType().getNonReferenceType()->isScalarType()) | ||||||||
1968 | return OMPC_DEFAULTMAP_scalar; | ||||||||
1969 | return OMPC_DEFAULTMAP_aggregate; | ||||||||
1970 | } | ||||||||
1971 | if (VD->getType().getNonReferenceType()->isAnyPointerType()) | ||||||||
1972 | return OMPC_DEFAULTMAP_pointer; | ||||||||
1973 | if (VD->getType().getNonReferenceType()->isScalarType()) | ||||||||
1974 | return OMPC_DEFAULTMAP_scalar; | ||||||||
1975 | return OMPC_DEFAULTMAP_aggregate; | ||||||||
1976 | } | ||||||||
1977 | |||||||||
1978 | bool Sema::isOpenMPCapturedByRef(const ValueDecl *D, unsigned Level, | ||||||||
1979 | unsigned OpenMPCaptureLevel) const { | ||||||||
1980 | assert(LangOpts.OpenMP && "OpenMP is not allowed")((void)0); | ||||||||
1981 | |||||||||
1982 | ASTContext &Ctx = getASTContext(); | ||||||||
1983 | bool IsByRef = true; | ||||||||
1984 | |||||||||
1985 | // Find the directive that is associated with the provided scope. | ||||||||
1986 | D = cast<ValueDecl>(D->getCanonicalDecl()); | ||||||||
1987 | QualType Ty = D->getType(); | ||||||||
1988 | |||||||||
1989 | bool IsVariableUsedInMapClause = false; | ||||||||
1990 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective(isOpenMPTargetExecutionDirective, Level)) { | ||||||||
1991 | // This table summarizes how a given variable should be passed to the device | ||||||||
1992 | // given its type and the clauses where it appears. This table is based on | ||||||||
1993 | // the description in OpenMP 4.5 [2.10.4, target Construct] and | ||||||||
1994 | // OpenMP 4.5 [2.15.5, Data-mapping Attribute Rules and Clauses]. | ||||||||
1995 | // | ||||||||
1996 | // ========================================================================= | ||||||||
1997 | // | type | defaultmap | pvt | first | is_device_ptr | map | res. | | ||||||||
1998 | // | |(tofrom:scalar)| | pvt | | | | | ||||||||
1999 | // ========================================================================= | ||||||||
2000 | // | scl | | | | - | | bycopy| | ||||||||
2001 | // | scl | | - | x | - | - | bycopy| | ||||||||
2002 | // | scl | | x | - | - | - | null | | ||||||||
2003 | // | scl | x | | | - | | byref | | ||||||||
2004 | // | scl | x | - | x | - | - | bycopy| | ||||||||
2005 | // | scl | x | x | - | - | - | null | | ||||||||
2006 | // | scl | | - | - | - | x | byref | | ||||||||
2007 | // | scl | x | - | - | - | x | byref | | ||||||||
2008 | // | ||||||||
2009 | // | agg | n.a. | | | - | | byref | | ||||||||
2010 | // | agg | n.a. | - | x | - | - | byref | | ||||||||
2011 | // | agg | n.a. | x | - | - | - | null | | ||||||||
2012 | // | agg | n.a. | - | - | - | x | byref | | ||||||||
2013 | // | agg | n.a. | - | - | - | x[] | byref | | ||||||||
2014 | // | ||||||||
2015 | // | ptr | n.a. | | | - | | bycopy| | ||||||||
2016 | // | ptr | n.a. | - | x | - | - | bycopy| | ||||||||
2017 | // | ptr | n.a. | x | - | - | - | null | | ||||||||
2018 | // | ptr | n.a. | - | - | - | x | byref | | ||||||||
2019 | // | ptr | n.a. | - | - | - | x[] | bycopy| | ||||||||
2020 | // | ptr | n.a. | - | - | x | | bycopy| | ||||||||
2021 | // | ptr | n.a. | - | - | x | x | bycopy| | ||||||||
2022 | // | ptr | n.a. | - | - | x | x[] | bycopy| | ||||||||
2023 | // ========================================================================= | ||||||||
2024 | // Legend: | ||||||||
2025 | // scl - scalar | ||||||||
2026 | // ptr - pointer | ||||||||
2027 | // agg - aggregate | ||||||||
2028 | // x - applies | ||||||||
2029 | // - - invalid in this combination | ||||||||
2030 | // [] - mapped with an array section | ||||||||
2031 | // byref - should be mapped by reference | ||||||||
2032 | // byval - should be mapped by value | ||||||||
2033 | // null - initialize a local variable to null on the device | ||||||||
2034 | // | ||||||||
2035 | // Observations: | ||||||||
2036 | // - All scalar declarations that show up in a map clause have to be passed | ||||||||
2037 | // by reference, because they may have been mapped in the enclosing data | ||||||||
2038 | // environment. | ||||||||
2039 | // - If the scalar value does not fit the size of uintptr, it has to be | ||||||||
2040 | // passed by reference, regardless the result in the table above. | ||||||||
2041 | // - For pointers mapped by value that have either an implicit map or an | ||||||||
2042 | // array section, the runtime library may pass the NULL value to the | ||||||||
2043 | // device instead of the value passed to it by the compiler. | ||||||||
2044 | |||||||||
2045 | if (Ty->isReferenceType()) | ||||||||
2046 | Ty = Ty->castAs<ReferenceType>()->getPointeeType(); | ||||||||
2047 | |||||||||
2048 | // Locate map clauses and see if the variable being captured is referred to | ||||||||
2049 | // in any of those clauses. Here we only care about variables, not fields, | ||||||||
2050 | // because fields are part of aggregates. | ||||||||
2051 | bool IsVariableAssociatedWithSection = false; | ||||||||
2052 | |||||||||
2053 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDeclAtLevel( | ||||||||
2054 | D, Level, | ||||||||
2055 | [&IsVariableUsedInMapClause, &IsVariableAssociatedWithSection, D]( | ||||||||
2056 | OMPClauseMappableExprCommon::MappableExprComponentListRef | ||||||||
2057 | MapExprComponents, | ||||||||
2058 | OpenMPClauseKind WhereFoundClauseKind) { | ||||||||
2059 | // Only the map clause information influences how a variable is | ||||||||
2060 | // captured. E.g. is_device_ptr does not require changing the default | ||||||||
2061 | // behavior. | ||||||||
2062 | if (WhereFoundClauseKind != OMPC_map) | ||||||||
2063 | return false; | ||||||||
2064 | |||||||||
2065 | auto EI = MapExprComponents.rbegin(); | ||||||||
2066 | auto EE = MapExprComponents.rend(); | ||||||||
2067 | |||||||||
2068 | assert(EI != EE && "Invalid map expression!")((void)0); | ||||||||
2069 | |||||||||
2070 | if (isa<DeclRefExpr>(EI->getAssociatedExpression())) | ||||||||
2071 | IsVariableUsedInMapClause |= EI->getAssociatedDeclaration() == D; | ||||||||
2072 | |||||||||
2073 | ++EI; | ||||||||
2074 | if (EI == EE) | ||||||||
2075 | return false; | ||||||||
2076 | |||||||||
2077 | if (isa<ArraySubscriptExpr>(EI->getAssociatedExpression()) || | ||||||||
2078 | isa<OMPArraySectionExpr>(EI->getAssociatedExpression()) || | ||||||||
2079 | isa<MemberExpr>(EI->getAssociatedExpression()) || | ||||||||
2080 | isa<OMPArrayShapingExpr>(EI->getAssociatedExpression())) { | ||||||||
2081 | IsVariableAssociatedWithSection = true; | ||||||||
2082 | // There is nothing more we need to know about this variable. | ||||||||
2083 | return true; | ||||||||
2084 | } | ||||||||
2085 | |||||||||
2086 | // Keep looking for more map info. | ||||||||
2087 | return false; | ||||||||
2088 | }); | ||||||||
2089 | |||||||||
2090 | if (IsVariableUsedInMapClause) { | ||||||||
2091 | // If variable is identified in a map clause it is always captured by | ||||||||
2092 | // reference except if it is a pointer that is dereferenced somehow. | ||||||||
2093 | IsByRef = !(Ty->isPointerType() && IsVariableAssociatedWithSection); | ||||||||
2094 | } else { | ||||||||
2095 | // By default, all the data that has a scalar type is mapped by copy | ||||||||
2096 | // (except for reduction variables). | ||||||||
2097 | // Defaultmap scalar is mutual exclusive to defaultmap pointer | ||||||||
2098 | IsByRef = (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isForceCaptureByReferenceInTargetExecutable() && | ||||||||
2099 | !Ty->isAnyPointerType()) || | ||||||||
2100 | !Ty->isScalarType() || | ||||||||
2101 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isDefaultmapCapturedByRef( | ||||||||
2102 | Level, getVariableCategoryFromDecl(LangOpts, D)) || | ||||||||
2103 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( | ||||||||
2104 | D, | ||||||||
2105 | [](OpenMPClauseKind K, bool AppliedToPointee) { | ||||||||
2106 | return K == OMPC_reduction && !AppliedToPointee; | ||||||||
2107 | }, | ||||||||
2108 | Level); | ||||||||
2109 | } | ||||||||
2110 | } | ||||||||
2111 | |||||||||
2112 | if (IsByRef && Ty.getNonReferenceType()->isScalarType()) { | ||||||||
2113 | IsByRef = | ||||||||
2114 | ((IsVariableUsedInMapClause && | ||||||||
2115 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCaptureRegion(Level, OpenMPCaptureLevel) == | ||||||||
2116 | OMPD_target) || | ||||||||
2117 | !(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( | ||||||||
2118 | D, | ||||||||
2119 | [](OpenMPClauseKind K, bool AppliedToPointee) -> bool { | ||||||||
2120 | return K == OMPC_firstprivate || | ||||||||
2121 | (K == OMPC_reduction && AppliedToPointee); | ||||||||
2122 | }, | ||||||||
2123 | Level, /*NotLastprivate=*/true) || | ||||||||
2124 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isUsesAllocatorsDecl(Level, D))) && | ||||||||
2125 | // If the variable is artificial and must be captured by value - try to | ||||||||
2126 | // capture by value. | ||||||||
2127 | !(isa<OMPCapturedExprDecl>(D) && !D->hasAttr<OMPCaptureNoInitAttr>() && | ||||||||
2128 | !cast<OMPCapturedExprDecl>(D)->getInit()->isGLValue()) && | ||||||||
2129 | // If the variable is implicitly firstprivate and scalar - capture by | ||||||||
2130 | // copy | ||||||||
2131 | !(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_firstprivate && | ||||||||
2132 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( | ||||||||
2133 | D, [](OpenMPClauseKind K, bool) { return K != OMPC_unknown; }, | ||||||||
2134 | Level) && | ||||||||
2135 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isLoopControlVariable(D, Level).first); | ||||||||
2136 | } | ||||||||
2137 | |||||||||
2138 | // When passing data by copy, we need to make sure it fits the uintptr size | ||||||||
2139 | // and alignment, because the runtime library only deals with uintptr types. | ||||||||
2140 | // If it does not fit the uintptr size, we need to pass the data by reference | ||||||||
2141 | // instead. | ||||||||
2142 | if (!IsByRef && | ||||||||
2143 | (Ctx.getTypeSizeInChars(Ty) > | ||||||||
2144 | Ctx.getTypeSizeInChars(Ctx.getUIntPtrType()) || | ||||||||
2145 | Ctx.getDeclAlign(D) > Ctx.getTypeAlignInChars(Ctx.getUIntPtrType()))) { | ||||||||
2146 | IsByRef = true; | ||||||||
2147 | } | ||||||||
2148 | |||||||||
2149 | return IsByRef; | ||||||||
2150 | } | ||||||||
2151 | |||||||||
2152 | unsigned Sema::getOpenMPNestingLevel() const { | ||||||||
2153 | assert(getLangOpts().OpenMP)((void)0); | ||||||||
2154 | return DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getNestingLevel(); | ||||||||
2155 | } | ||||||||
2156 | |||||||||
2157 | bool Sema::isInOpenMPTargetExecutionDirective() const { | ||||||||
2158 | return (isOpenMPTargetExecutionDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) && | ||||||||
2159 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode()) || | ||||||||
2160 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasDirective( | ||||||||
2161 | [](OpenMPDirectiveKind K, const DeclarationNameInfo &, | ||||||||
2162 | SourceLocation) -> bool { | ||||||||
2163 | return isOpenMPTargetExecutionDirective(K); | ||||||||
2164 | }, | ||||||||
2165 | false); | ||||||||
2166 | } | ||||||||
2167 | |||||||||
2168 | VarDecl *Sema::isOpenMPCapturedDecl(ValueDecl *D, bool CheckScopeInfo, | ||||||||
2169 | unsigned StopAt) { | ||||||||
2170 | assert(LangOpts.OpenMP && "OpenMP is not allowed")((void)0); | ||||||||
2171 | D = getCanonicalDecl(D); | ||||||||
2172 | |||||||||
2173 | auto *VD = dyn_cast<VarDecl>(D); | ||||||||
2174 | // Do not capture constexpr variables. | ||||||||
2175 | if (VD
| ||||||||
2176 | return nullptr; | ||||||||
2177 | |||||||||
2178 | // If we want to determine whether the variable should be captured from the | ||||||||
2179 | // perspective of the current capturing scope, and we've already left all the | ||||||||
2180 | // capturing scopes of the top directive on the stack, check from the | ||||||||
2181 | // perspective of its parent directive (if any) instead. | ||||||||
2182 | DSAStackTy::ParentDirectiveScope InParentDirectiveRAII( | ||||||||
2183 | *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), CheckScopeInfo
)->isBodyComplete()); | ||||||||
2184 | |||||||||
2185 | // If we are attempting to capture a global variable in a directive with | ||||||||
2186 | // 'target' we return true so that this global is also mapped to the device. | ||||||||
2187 | // | ||||||||
2188 | if (VD
| ||||||||
2189 | (getCurCapturedRegion() || getCurBlock() || getCurLambda())) { | ||||||||
2190 | if (isInOpenMPTargetExecutionDirective()) { | ||||||||
2191 | DSAStackTy::DSAVarData DVarTop = | ||||||||
2192 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode()); | ||||||||
2193 | if (DVarTop.CKind != OMPC_unknown && DVarTop.RefExpr) | ||||||||
2194 | return VD; | ||||||||
2195 | // If the declaration is enclosed in a 'declare target' directive, | ||||||||
2196 | // then it should not be captured. | ||||||||
2197 | // | ||||||||
2198 | if (OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD)) | ||||||||
2199 | return nullptr; | ||||||||
2200 | CapturedRegionScopeInfo *CSI = nullptr; | ||||||||
2201 | for (FunctionScopeInfo *FSI : llvm::drop_begin( | ||||||||
2202 | llvm::reverse(FunctionScopes), | ||||||||
2203 | CheckScopeInfo
| ||||||||
2204 | if (!isa<CapturingScopeInfo>(FSI)) | ||||||||
2205 | return nullptr; | ||||||||
2206 | if (auto *RSI = dyn_cast<CapturedRegionScopeInfo>(FSI)) | ||||||||
2207 | if (RSI->CapRegionKind == CR_OpenMP) { | ||||||||
2208 | CSI = RSI; | ||||||||
2209 | break; | ||||||||
2210 | } | ||||||||
2211 | } | ||||||||
2212 | assert(CSI && "Failed to find CapturedRegionScopeInfo")((void)0); | ||||||||
2213 | SmallVector<OpenMPDirectiveKind, 4> Regions; | ||||||||
2214 | getOpenMPCaptureRegions(Regions, | ||||||||
2215 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDirective(CSI->OpenMPLevel)); | ||||||||
| |||||||||
2216 | if (Regions[CSI->OpenMPCaptureLevel] != OMPD_task) | ||||||||
2217 | return VD; | ||||||||
2218 | } | ||||||||
2219 | if (isInOpenMPDeclareTargetContext()) { | ||||||||
2220 | // Try to mark variable as declare target if it is used in capturing | ||||||||
2221 | // regions. | ||||||||
2222 | if (LangOpts.OpenMP <= 45 && | ||||||||
2223 | !OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD)) | ||||||||
2224 | checkDeclIsAllowedInOpenMPTarget(nullptr, VD); | ||||||||
2225 | return nullptr; | ||||||||
2226 | } | ||||||||
2227 | } | ||||||||
2228 | |||||||||
2229 | if (CheckScopeInfo) { | ||||||||
2230 | bool OpenMPFound = false; | ||||||||
2231 | for (unsigned I = StopAt + 1; I > 0; --I) { | ||||||||
2232 | FunctionScopeInfo *FSI = FunctionScopes[I - 1]; | ||||||||
2233 | if(!isa<CapturingScopeInfo>(FSI)) | ||||||||
2234 | return nullptr; | ||||||||
2235 | if (auto *RSI = dyn_cast<CapturedRegionScopeInfo>(FSI)) | ||||||||
2236 | if (RSI->CapRegionKind == CR_OpenMP) { | ||||||||
2237 | OpenMPFound = true; | ||||||||
2238 | break; | ||||||||
2239 | } | ||||||||
2240 | } | ||||||||
2241 | if (!OpenMPFound) | ||||||||
2242 | return nullptr; | ||||||||
2243 | } | ||||||||
2244 | |||||||||
2245 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_unknown && | ||||||||
2246 | (!DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode() || | ||||||||
2247 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentDirective() != OMPD_unknown)) { | ||||||||
2248 | auto &&Info = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isLoopControlVariable(D); | ||||||||
2249 | if (Info.first || | ||||||||
2250 | (VD && VD->hasLocalStorage() && | ||||||||
2251 | isImplicitOrExplicitTaskingRegion(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) || | ||||||||
2252 | (VD && DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isForceVarCapturing())) | ||||||||
2253 | return VD ? VD : Info.second; | ||||||||
2254 | DSAStackTy::DSAVarData DVarTop = | ||||||||
2255 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode()); | ||||||||
2256 | if (DVarTop.CKind != OMPC_unknown && isOpenMPPrivate(DVarTop.CKind) && | ||||||||
2257 | (!VD || VD->hasLocalStorage() || !DVarTop.AppliedToPointee)) | ||||||||
2258 | return VD ? VD : cast<VarDecl>(DVarTop.PrivateCopy->getDecl()); | ||||||||
2259 | // Threadprivate variables must not be captured. | ||||||||
2260 | if (isOpenMPThreadPrivate(DVarTop.CKind)) | ||||||||
2261 | return nullptr; | ||||||||
2262 | // The variable is not private or it is the variable in the directive with | ||||||||
2263 | // default(none) clause and not used in any clause. | ||||||||
2264 | DSAStackTy::DSAVarData DVarPrivate = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasDSA( | ||||||||
2265 | D, | ||||||||
2266 | [](OpenMPClauseKind C, bool AppliedToPointee) { | ||||||||
2267 | return isOpenMPPrivate(C) && !AppliedToPointee; | ||||||||
2268 | }, | ||||||||
2269 | [](OpenMPDirectiveKind) { return true; }, | ||||||||
2270 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode()); | ||||||||
2271 | // Global shared must not be captured. | ||||||||
2272 | if (VD && !VD->hasLocalStorage() && DVarPrivate.CKind == OMPC_unknown && | ||||||||
2273 | ((DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() != DSA_none && | ||||||||
2274 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() != DSA_firstprivate) || | ||||||||
2275 | DVarTop.CKind == OMPC_shared)) | ||||||||
2276 | return nullptr; | ||||||||
2277 | if (DVarPrivate.CKind != OMPC_unknown || | ||||||||
2278 | (VD && (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_none || | ||||||||
2279 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_firstprivate))) | ||||||||
2280 | return VD ? VD : cast<VarDecl>(DVarPrivate.PrivateCopy->getDecl()); | ||||||||
2281 | } | ||||||||
2282 | return nullptr; | ||||||||
2283 | } | ||||||||
2284 | |||||||||
2285 | void Sema::adjustOpenMPTargetScopeIndex(unsigned &FunctionScopesIndex, | ||||||||
2286 | unsigned Level) const { | ||||||||
2287 | FunctionScopesIndex -= getOpenMPCaptureLevels(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDirective(Level)); | ||||||||
2288 | } | ||||||||
2289 | |||||||||
2290 | void Sema::startOpenMPLoop() { | ||||||||
2291 | assert(LangOpts.OpenMP && "OpenMP must be enabled.")((void)0); | ||||||||
2292 | if (isOpenMPLoopDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) | ||||||||
2293 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->loopInit(); | ||||||||
2294 | } | ||||||||
2295 | |||||||||
2296 | void Sema::startOpenMPCXXRangeFor() { | ||||||||
2297 | assert(LangOpts.OpenMP && "OpenMP must be enabled.")((void)0); | ||||||||
2298 | if (isOpenMPLoopDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) { | ||||||||
2299 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->resetPossibleLoopCounter(); | ||||||||
2300 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->loopStart(); | ||||||||
2301 | } | ||||||||
2302 | } | ||||||||
2303 | |||||||||
2304 | OpenMPClauseKind Sema::isOpenMPPrivateDecl(ValueDecl *D, unsigned Level, | ||||||||
2305 | unsigned CapLevel) const { | ||||||||
2306 | assert(LangOpts.OpenMP && "OpenMP is not allowed")((void)0); | ||||||||
2307 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective( | ||||||||
2308 | [](OpenMPDirectiveKind K) { return isOpenMPTaskingDirective(K); }, | ||||||||
2309 | Level)) { | ||||||||
2310 | bool IsTriviallyCopyable = | ||||||||
2311 | D->getType().getNonReferenceType().isTriviallyCopyableType(Context) && | ||||||||
2312 | !D->getType() | ||||||||
2313 | .getNonReferenceType() | ||||||||
2314 | .getCanonicalType() | ||||||||
2315 | ->getAsCXXRecordDecl(); | ||||||||
2316 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDirective(Level); | ||||||||
2317 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; | ||||||||
2318 | getOpenMPCaptureRegions(CaptureRegions, DKind); | ||||||||
2319 | if (isOpenMPTaskingDirective(CaptureRegions[CapLevel]) && | ||||||||
2320 | (IsTriviallyCopyable || | ||||||||
2321 | !isOpenMPTaskLoopDirective(CaptureRegions[CapLevel]))) { | ||||||||
2322 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( | ||||||||
2323 | D, | ||||||||
2324 | [](OpenMPClauseKind K, bool) { return K == OMPC_firstprivate; }, | ||||||||
2325 | Level, /*NotLastprivate=*/true)) | ||||||||
2326 | return OMPC_firstprivate; | ||||||||
2327 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getImplicitDSA(D, Level); | ||||||||
2328 | if (DVar.CKind != OMPC_shared && | ||||||||
2329 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isLoopControlVariable(D, Level).first && !DVar.RefExpr) { | ||||||||
2330 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addImplicitTaskFirstprivate(Level, D); | ||||||||
2331 | return OMPC_firstprivate; | ||||||||
2332 | } | ||||||||
2333 | } | ||||||||
2334 | } | ||||||||
2335 | if (isOpenMPLoopDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) { | ||||||||
2336 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getAssociatedLoops() > 0 && | ||||||||
2337 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isLoopStarted()) { | ||||||||
2338 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->resetPossibleLoopCounter(D); | ||||||||
2339 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->loopStart(); | ||||||||
2340 | return OMPC_private; | ||||||||
2341 | } | ||||||||
2342 | if ((DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getPossiblyLoopCunter() == D->getCanonicalDecl() || | ||||||||
2343 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isLoopControlVariable(D).first) && | ||||||||
2344 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( | ||||||||
2345 | D, [](OpenMPClauseKind K, bool) { return K != OMPC_private; }, | ||||||||
2346 | Level) && | ||||||||
2347 | !isOpenMPSimdDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) | ||||||||
2348 | return OMPC_private; | ||||||||
2349 | } | ||||||||
2350 | if (const auto *VD = dyn_cast<VarDecl>(D)) { | ||||||||
2351 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isThreadPrivate(const_cast<VarDecl *>(VD)) && | ||||||||
2352 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isForceVarCapturing() && | ||||||||
2353 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( | ||||||||
2354 | D, [](OpenMPClauseKind K, bool) { return K == OMPC_copyin; }, | ||||||||
2355 | Level)) | ||||||||
2356 | return OMPC_private; | ||||||||
2357 | } | ||||||||
2358 | // User-defined allocators are private since they must be defined in the | ||||||||
2359 | // context of target region. | ||||||||
2360 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective(isOpenMPTargetExecutionDirective, Level) && | ||||||||
2361 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isUsesAllocatorsDecl(Level, D).getValueOr( | ||||||||
2362 | DSAStackTy::UsesAllocatorsDeclKind::AllocatorTrait) == | ||||||||
2363 | DSAStackTy::UsesAllocatorsDeclKind::UserDefinedAllocator) | ||||||||
2364 | return OMPC_private; | ||||||||
2365 | return (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( | ||||||||
2366 | D, [](OpenMPClauseKind K, bool) { return K == OMPC_private; }, | ||||||||
2367 | Level) || | ||||||||
2368 | (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode() && | ||||||||
2369 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getClauseParsingMode() == OMPC_private) || | ||||||||
2370 | // Consider taskgroup reduction descriptor variable a private | ||||||||
2371 | // to avoid possible capture in the region. | ||||||||
2372 | (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective( | ||||||||
2373 | [](OpenMPDirectiveKind K) { | ||||||||
2374 | return K == OMPD_taskgroup || | ||||||||
2375 | ((isOpenMPParallelDirective(K) || | ||||||||
2376 | isOpenMPWorksharingDirective(K)) && | ||||||||
2377 | !isOpenMPSimdDirective(K)); | ||||||||
2378 | }, | ||||||||
2379 | Level) && | ||||||||
2380 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isTaskgroupReductionRef(D, Level))) | ||||||||
2381 | ? OMPC_private | ||||||||
2382 | : OMPC_unknown; | ||||||||
2383 | } | ||||||||
2384 | |||||||||
2385 | void Sema::setOpenMPCaptureKind(FieldDecl *FD, const ValueDecl *D, | ||||||||
2386 | unsigned Level) { | ||||||||
2387 | assert(LangOpts.OpenMP && "OpenMP is not allowed")((void)0); | ||||||||
2388 | D = getCanonicalDecl(D); | ||||||||
2389 | OpenMPClauseKind OMPC = OMPC_unknown; | ||||||||
2390 | for (unsigned I = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getNestingLevel() + 1; I > Level; --I) { | ||||||||
2391 | const unsigned NewLevel = I - 1; | ||||||||
2392 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( | ||||||||
2393 | D, | ||||||||
2394 | [&OMPC](const OpenMPClauseKind K, bool AppliedToPointee) { | ||||||||
2395 | if (isOpenMPPrivate(K) && !AppliedToPointee) { | ||||||||
2396 | OMPC = K; | ||||||||
2397 | return true; | ||||||||
2398 | } | ||||||||
2399 | return false; | ||||||||
2400 | }, | ||||||||
2401 | NewLevel)) | ||||||||
2402 | break; | ||||||||
2403 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDeclAtLevel( | ||||||||
2404 | D, NewLevel, | ||||||||
2405 | [](OMPClauseMappableExprCommon::MappableExprComponentListRef, | ||||||||
2406 | OpenMPClauseKind) { return true; })) { | ||||||||
2407 | OMPC = OMPC_map; | ||||||||
2408 | break; | ||||||||
2409 | } | ||||||||
2410 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective(isOpenMPTargetExecutionDirective, | ||||||||
2411 | NewLevel)) { | ||||||||
2412 | OMPC = OMPC_map; | ||||||||
2413 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->mustBeFirstprivateAtLevel( | ||||||||
2414 | NewLevel, getVariableCategoryFromDecl(LangOpts, D))) | ||||||||
2415 | OMPC = OMPC_firstprivate; | ||||||||
2416 | break; | ||||||||
2417 | } | ||||||||
2418 | } | ||||||||
2419 | if (OMPC != OMPC_unknown) | ||||||||
2420 | FD->addAttr(OMPCaptureKindAttr::CreateImplicit(Context, unsigned(OMPC))); | ||||||||
2421 | } | ||||||||
2422 | |||||||||
2423 | bool Sema::isOpenMPTargetCapturedDecl(const ValueDecl *D, unsigned Level, | ||||||||
2424 | unsigned CaptureLevel) const { | ||||||||
2425 | assert(LangOpts.OpenMP && "OpenMP is not allowed")((void)0); | ||||||||
2426 | // Return true if the current level is no longer enclosed in a target region. | ||||||||
2427 | |||||||||
2428 | SmallVector<OpenMPDirectiveKind, 4> Regions; | ||||||||
2429 | getOpenMPCaptureRegions(Regions, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDirective(Level)); | ||||||||
2430 | const auto *VD = dyn_cast<VarDecl>(D); | ||||||||
2431 | return VD && !VD->hasLocalStorage() && | ||||||||
2432 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective(isOpenMPTargetExecutionDirective, | ||||||||
2433 | Level) && | ||||||||
2434 | Regions[CaptureLevel] != OMPD_task; | ||||||||
2435 | } | ||||||||
2436 | |||||||||
2437 | bool Sema::isOpenMPGlobalCapturedDecl(ValueDecl *D, unsigned Level, | ||||||||
2438 | unsigned CaptureLevel) const { | ||||||||
2439 | assert(LangOpts.OpenMP && "OpenMP is not allowed")((void)0); | ||||||||
2440 | // Return true if the current level is no longer enclosed in a target region. | ||||||||
2441 | |||||||||
2442 | if (const auto *VD = dyn_cast<VarDecl>(D)) { | ||||||||
2443 | if (!VD->hasLocalStorage()) { | ||||||||
2444 | if (isInOpenMPTargetExecutionDirective()) | ||||||||
2445 | return true; | ||||||||
2446 | DSAStackTy::DSAVarData TopDVar = | ||||||||
2447 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | ||||||||
2448 | unsigned NumLevels = | ||||||||
2449 | getOpenMPCaptureLevels(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDirective(Level)); | ||||||||
2450 | if (Level == 0) | ||||||||
2451 | return (NumLevels == CaptureLevel + 1) && TopDVar.CKind != OMPC_shared; | ||||||||
2452 | do { | ||||||||
2453 | --Level; | ||||||||
2454 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getImplicitDSA(D, Level); | ||||||||
2455 | if (DVar.CKind != OMPC_shared) | ||||||||
2456 | return true; | ||||||||
2457 | } while (Level > 0); | ||||||||
2458 | } | ||||||||
2459 | } | ||||||||
2460 | return true; | ||||||||
2461 | } | ||||||||
2462 | |||||||||
2463 | void Sema::DestroyDataSharingAttributesStack() { delete DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ); } | ||||||||
2464 | |||||||||
2465 | void Sema::ActOnOpenMPBeginDeclareVariant(SourceLocation Loc, | ||||||||
2466 | OMPTraitInfo &TI) { | ||||||||
2467 | OMPDeclareVariantScopes.push_back(OMPDeclareVariantScope(TI)); | ||||||||
2468 | } | ||||||||
2469 | |||||||||
2470 | void Sema::ActOnOpenMPEndDeclareVariant() { | ||||||||
2471 | assert(isInOpenMPDeclareVariantScope() &&((void)0) | ||||||||
2472 | "Not in OpenMP declare variant scope!")((void)0); | ||||||||
2473 | |||||||||
2474 | OMPDeclareVariantScopes.pop_back(); | ||||||||
2475 | } | ||||||||
2476 | |||||||||
2477 | void Sema::finalizeOpenMPDelayedAnalysis(const FunctionDecl *Caller, | ||||||||
2478 | const FunctionDecl *Callee, | ||||||||
2479 | SourceLocation Loc) { | ||||||||
2480 | assert(LangOpts.OpenMP && "Expected OpenMP compilation mode.")((void)0); | ||||||||
2481 | Optional<OMPDeclareTargetDeclAttr::DevTypeTy> DevTy = | ||||||||
2482 | OMPDeclareTargetDeclAttr::getDeviceType(Caller->getMostRecentDecl()); | ||||||||
2483 | // Ignore host functions during device analyzis. | ||||||||
2484 | if (LangOpts.OpenMPIsDevice && | ||||||||
2485 | (!DevTy || *DevTy == OMPDeclareTargetDeclAttr::DT_Host)) | ||||||||
2486 | return; | ||||||||
2487 | // Ignore nohost functions during host analyzis. | ||||||||
2488 | if (!LangOpts.OpenMPIsDevice && DevTy && | ||||||||
2489 | *DevTy == OMPDeclareTargetDeclAttr::DT_NoHost) | ||||||||
2490 | return; | ||||||||
2491 | const FunctionDecl *FD = Callee->getMostRecentDecl(); | ||||||||
2492 | DevTy = OMPDeclareTargetDeclAttr::getDeviceType(FD); | ||||||||
2493 | if (LangOpts.OpenMPIsDevice && DevTy && | ||||||||
2494 | *DevTy == OMPDeclareTargetDeclAttr::DT_Host) { | ||||||||
2495 | // Diagnose host function called during device codegen. | ||||||||
2496 | StringRef HostDevTy = | ||||||||
2497 | getOpenMPSimpleClauseTypeName(OMPC_device_type, OMPC_DEVICE_TYPE_host); | ||||||||
2498 | Diag(Loc, diag::err_omp_wrong_device_function_call) << HostDevTy << 0; | ||||||||
2499 | Diag(*OMPDeclareTargetDeclAttr::getLocation(FD), | ||||||||
2500 | diag::note_omp_marked_device_type_here) | ||||||||
2501 | << HostDevTy; | ||||||||
2502 | return; | ||||||||
2503 | } | ||||||||
2504 | if (!LangOpts.OpenMPIsDevice && DevTy && | ||||||||
2505 | *DevTy == OMPDeclareTargetDeclAttr::DT_NoHost) { | ||||||||
2506 | // Diagnose nohost function called during host codegen. | ||||||||
2507 | StringRef NoHostDevTy = getOpenMPSimpleClauseTypeName( | ||||||||
2508 | OMPC_device_type, OMPC_DEVICE_TYPE_nohost); | ||||||||
2509 | Diag(Loc, diag::err_omp_wrong_device_function_call) << NoHostDevTy << 1; | ||||||||
2510 | Diag(*OMPDeclareTargetDeclAttr::getLocation(FD), | ||||||||
2511 | diag::note_omp_marked_device_type_here) | ||||||||
2512 | << NoHostDevTy; | ||||||||
2513 | } | ||||||||
2514 | } | ||||||||
2515 | |||||||||
2516 | void Sema::StartOpenMPDSABlock(OpenMPDirectiveKind DKind, | ||||||||
2517 | const DeclarationNameInfo &DirName, | ||||||||
2518 | Scope *CurScope, SourceLocation Loc) { | ||||||||
2519 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->push(DKind, DirName, CurScope, Loc); | ||||||||
2520 | PushExpressionEvaluationContext( | ||||||||
2521 | ExpressionEvaluationContext::PotentiallyEvaluated); | ||||||||
2522 | } | ||||||||
2523 | |||||||||
2524 | void Sema::StartOpenMPClause(OpenMPClauseKind K) { | ||||||||
2525 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setClauseParsingMode(K); | ||||||||
2526 | } | ||||||||
2527 | |||||||||
2528 | void Sema::EndOpenMPClause() { | ||||||||
2529 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setClauseParsingMode(/*K=*/OMPC_unknown); | ||||||||
2530 | CleanupVarDeclMarking(); | ||||||||
2531 | } | ||||||||
2532 | |||||||||
2533 | static std::pair<ValueDecl *, bool> | ||||||||
2534 | getPrivateItem(Sema &S, Expr *&RefExpr, SourceLocation &ELoc, | ||||||||
2535 | SourceRange &ERange, bool AllowArraySection = false); | ||||||||
2536 | |||||||||
2537 | /// Check consistency of the reduction clauses. | ||||||||
2538 | static void checkReductionClauses(Sema &S, DSAStackTy *Stack, | ||||||||
2539 | ArrayRef<OMPClause *> Clauses) { | ||||||||
2540 | bool InscanFound = false; | ||||||||
2541 | SourceLocation InscanLoc; | ||||||||
2542 | // OpenMP 5.0, 2.19.5.4 reduction Clause, Restrictions. | ||||||||
2543 | // A reduction clause without the inscan reduction-modifier may not appear on | ||||||||
2544 | // a construct on which a reduction clause with the inscan reduction-modifier | ||||||||
2545 | // appears. | ||||||||
2546 | for (OMPClause *C : Clauses) { | ||||||||
2547 | if (C->getClauseKind() != OMPC_reduction) | ||||||||
2548 | continue; | ||||||||
2549 | auto *RC = cast<OMPReductionClause>(C); | ||||||||
2550 | if (RC->getModifier() == OMPC_REDUCTION_inscan) { | ||||||||
2551 | InscanFound = true; | ||||||||
2552 | InscanLoc = RC->getModifierLoc(); | ||||||||
2553 | continue; | ||||||||
2554 | } | ||||||||
2555 | if (RC->getModifier() == OMPC_REDUCTION_task) { | ||||||||
2556 | // OpenMP 5.0, 2.19.5.4 reduction Clause. | ||||||||
2557 | // A reduction clause with the task reduction-modifier may only appear on | ||||||||
2558 | // a parallel construct, a worksharing construct or a combined or | ||||||||
2559 | // composite construct for which any of the aforementioned constructs is a | ||||||||
2560 | // constituent construct and simd or loop are not constituent constructs. | ||||||||
2561 | OpenMPDirectiveKind CurDir = Stack->getCurrentDirective(); | ||||||||
2562 | if (!(isOpenMPParallelDirective(CurDir) || | ||||||||
2563 | isOpenMPWorksharingDirective(CurDir)) || | ||||||||
2564 | isOpenMPSimdDirective(CurDir)) | ||||||||
2565 | S.Diag(RC->getModifierLoc(), | ||||||||
2566 | diag::err_omp_reduction_task_not_parallel_or_worksharing); | ||||||||
2567 | continue; | ||||||||
2568 | } | ||||||||
2569 | } | ||||||||
2570 | if (InscanFound) { | ||||||||
2571 | for (OMPClause *C : Clauses) { | ||||||||
2572 | if (C->getClauseKind() != OMPC_reduction) | ||||||||
2573 | continue; | ||||||||
2574 | auto *RC = cast<OMPReductionClause>(C); | ||||||||
2575 | if (RC->getModifier() != OMPC_REDUCTION_inscan) { | ||||||||
2576 | S.Diag(RC->getModifier() == OMPC_REDUCTION_unknown | ||||||||
2577 | ? RC->getBeginLoc() | ||||||||
2578 | : RC->getModifierLoc(), | ||||||||
2579 | diag::err_omp_inscan_reduction_expected); | ||||||||
2580 | S.Diag(InscanLoc, diag::note_omp_previous_inscan_reduction); | ||||||||
2581 | continue; | ||||||||
2582 | } | ||||||||
2583 | for (Expr *Ref : RC->varlists()) { | ||||||||
2584 | assert(Ref && "NULL expr in OpenMP nontemporal clause.")((void)0); | ||||||||
2585 | SourceLocation ELoc; | ||||||||
2586 | SourceRange ERange; | ||||||||
2587 | Expr *SimpleRefExpr = Ref; | ||||||||
2588 | auto Res = getPrivateItem(S, SimpleRefExpr, ELoc, ERange, | ||||||||
2589 | /*AllowArraySection=*/true); | ||||||||
2590 | ValueDecl *D = Res.first; | ||||||||
2591 | if (!D) | ||||||||
2592 | continue; | ||||||||
2593 | if (!Stack->isUsedInScanDirective(getCanonicalDecl(D))) { | ||||||||
2594 | S.Diag(Ref->getExprLoc(), | ||||||||
2595 | diag::err_omp_reduction_not_inclusive_exclusive) | ||||||||
2596 | << Ref->getSourceRange(); | ||||||||
2597 | } | ||||||||
2598 | } | ||||||||
2599 | } | ||||||||
2600 | } | ||||||||
2601 | } | ||||||||
2602 | |||||||||
2603 | static void checkAllocateClauses(Sema &S, DSAStackTy *Stack, | ||||||||
2604 | ArrayRef<OMPClause *> Clauses); | ||||||||
2605 | static DeclRefExpr *buildCapture(Sema &S, ValueDecl *D, Expr *CaptureExpr, | ||||||||
2606 | bool WithInit); | ||||||||
2607 | |||||||||
2608 | static void reportOriginalDsa(Sema &SemaRef, const DSAStackTy *Stack, | ||||||||
2609 | const ValueDecl *D, | ||||||||
2610 | const DSAStackTy::DSAVarData &DVar, | ||||||||
2611 | bool IsLoopIterVar = false); | ||||||||
2612 | |||||||||
2613 | void Sema::EndOpenMPDSABlock(Stmt *CurDirective) { | ||||||||
2614 | // OpenMP [2.14.3.5, Restrictions, C/C++, p.1] | ||||||||
2615 | // A variable of class type (or array thereof) that appears in a lastprivate | ||||||||
2616 | // clause requires an accessible, unambiguous default constructor for the | ||||||||
2617 | // class type, unless the list item is also specified in a firstprivate | ||||||||
2618 | // clause. | ||||||||
2619 | if (const auto *D = dyn_cast_or_null<OMPExecutableDirective>(CurDirective)) { | ||||||||
2620 | for (OMPClause *C : D->clauses()) { | ||||||||
2621 | if (auto *Clause = dyn_cast<OMPLastprivateClause>(C)) { | ||||||||
2622 | SmallVector<Expr *, 8> PrivateCopies; | ||||||||
2623 | for (Expr *DE : Clause->varlists()) { | ||||||||
2624 | if (DE->isValueDependent() || DE->isTypeDependent()) { | ||||||||
2625 | PrivateCopies.push_back(nullptr); | ||||||||
2626 | continue; | ||||||||
2627 | } | ||||||||
2628 | auto *DRE = cast<DeclRefExpr>(DE->IgnoreParens()); | ||||||||
2629 | auto *VD = cast<VarDecl>(DRE->getDecl()); | ||||||||
2630 | QualType Type = VD->getType().getNonReferenceType(); | ||||||||
2631 | const DSAStackTy::DSAVarData DVar = | ||||||||
2632 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(VD, /*FromParent=*/false); | ||||||||
2633 | if (DVar.CKind == OMPC_lastprivate) { | ||||||||
2634 | // Generate helper private variable and initialize it with the | ||||||||
2635 | // default value. The address of the original variable is replaced | ||||||||
2636 | // by the address of the new private variable in CodeGen. This new | ||||||||
2637 | // variable is not added to IdResolver, so the code in the OpenMP | ||||||||
2638 | // region uses original variable for proper diagnostics. | ||||||||
2639 | VarDecl *VDPrivate = buildVarDecl( | ||||||||
2640 | *this, DE->getExprLoc(), Type.getUnqualifiedType(), | ||||||||
2641 | VD->getName(), VD->hasAttrs() ? &VD->getAttrs() : nullptr, DRE); | ||||||||
2642 | ActOnUninitializedDecl(VDPrivate); | ||||||||
2643 | if (VDPrivate->isInvalidDecl()) { | ||||||||
2644 | PrivateCopies.push_back(nullptr); | ||||||||
2645 | continue; | ||||||||
2646 | } | ||||||||
2647 | PrivateCopies.push_back(buildDeclRefExpr( | ||||||||
2648 | *this, VDPrivate, DE->getType(), DE->getExprLoc())); | ||||||||
2649 | } else { | ||||||||
2650 | // The variable is also a firstprivate, so initialization sequence | ||||||||
2651 | // for private copy is generated already. | ||||||||
2652 | PrivateCopies.push_back(nullptr); | ||||||||
2653 | } | ||||||||
2654 | } | ||||||||
2655 | Clause->setPrivateCopies(PrivateCopies); | ||||||||
2656 | continue; | ||||||||
2657 | } | ||||||||
2658 | // Finalize nontemporal clause by handling private copies, if any. | ||||||||
2659 | if (auto *Clause = dyn_cast<OMPNontemporalClause>(C)) { | ||||||||
2660 | SmallVector<Expr *, 8> PrivateRefs; | ||||||||
2661 | for (Expr *RefExpr : Clause->varlists()) { | ||||||||
2662 | assert(RefExpr && "NULL expr in OpenMP nontemporal clause.")((void)0); | ||||||||
2663 | SourceLocation ELoc; | ||||||||
2664 | SourceRange ERange; | ||||||||
2665 | Expr *SimpleRefExpr = RefExpr; | ||||||||
2666 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | ||||||||
2667 | if (Res.second) | ||||||||
2668 | // It will be analyzed later. | ||||||||
2669 | PrivateRefs.push_back(RefExpr); | ||||||||
2670 | ValueDecl *D = Res.first; | ||||||||
2671 | if (!D) | ||||||||
2672 | continue; | ||||||||
2673 | |||||||||
2674 | const DSAStackTy::DSAVarData DVar = | ||||||||
2675 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | ||||||||
2676 | PrivateRefs.push_back(DVar.PrivateCopy ? DVar.PrivateCopy | ||||||||
2677 | : SimpleRefExpr); | ||||||||
2678 | } | ||||||||
2679 | Clause->setPrivateRefs(PrivateRefs); | ||||||||
2680 | continue; | ||||||||
2681 | } | ||||||||
2682 | if (auto *Clause = dyn_cast<OMPUsesAllocatorsClause>(C)) { | ||||||||
2683 | for (unsigned I = 0, E = Clause->getNumberOfAllocators(); I < E; ++I) { | ||||||||
2684 | OMPUsesAllocatorsClause::Data D = Clause->getAllocatorData(I); | ||||||||
2685 | auto *DRE = dyn_cast<DeclRefExpr>(D.Allocator->IgnoreParenImpCasts()); | ||||||||
2686 | if (!DRE) | ||||||||
2687 | continue; | ||||||||
2688 | ValueDecl *VD = DRE->getDecl(); | ||||||||
2689 | if (!VD || !isa<VarDecl>(VD)) | ||||||||
2690 | continue; | ||||||||
2691 | DSAStackTy::DSAVarData DVar = | ||||||||
2692 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(VD, /*FromParent=*/false); | ||||||||
2693 | // OpenMP [2.12.5, target Construct] | ||||||||
2694 | // Memory allocators that appear in a uses_allocators clause cannot | ||||||||
2695 | // appear in other data-sharing attribute clauses or data-mapping | ||||||||
2696 | // attribute clauses in the same construct. | ||||||||
2697 | Expr *MapExpr = nullptr; | ||||||||
2698 | if (DVar.RefExpr || | ||||||||
2699 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDecl( | ||||||||
2700 | VD, /*CurrentRegionOnly=*/true, | ||||||||
2701 | [VD, &MapExpr]( | ||||||||
2702 | OMPClauseMappableExprCommon::MappableExprComponentListRef | ||||||||
2703 | MapExprComponents, | ||||||||
2704 | OpenMPClauseKind C) { | ||||||||
2705 | auto MI = MapExprComponents.rbegin(); | ||||||||
2706 | auto ME = MapExprComponents.rend(); | ||||||||
2707 | if (MI != ME && | ||||||||
2708 | MI->getAssociatedDeclaration()->getCanonicalDecl() == | ||||||||
2709 | VD->getCanonicalDecl()) { | ||||||||
2710 | MapExpr = MI->getAssociatedExpression(); | ||||||||
2711 | return true; | ||||||||
2712 | } | ||||||||
2713 | return false; | ||||||||
2714 | })) { | ||||||||
2715 | Diag(D.Allocator->getExprLoc(), | ||||||||
2716 | diag::err_omp_allocator_used_in_clauses) | ||||||||
2717 | << D.Allocator->getSourceRange(); | ||||||||
2718 | if (DVar.RefExpr) | ||||||||
2719 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VD, DVar); | ||||||||
2720 | else | ||||||||
2721 | Diag(MapExpr->getExprLoc(), diag::note_used_here) | ||||||||
2722 | << MapExpr->getSourceRange(); | ||||||||
2723 | } | ||||||||
2724 | } | ||||||||
2725 | continue; | ||||||||
2726 | } | ||||||||
2727 | } | ||||||||
2728 | // Check allocate clauses. | ||||||||
2729 | if (!CurContext->isDependentContext()) | ||||||||
2730 | checkAllocateClauses(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D->clauses()); | ||||||||
2731 | checkReductionClauses(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D->clauses()); | ||||||||
2732 | } | ||||||||
2733 | |||||||||
2734 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->pop(); | ||||||||
2735 | DiscardCleanupsInEvaluationContext(); | ||||||||
2736 | PopExpressionEvaluationContext(); | ||||||||
2737 | } | ||||||||
2738 | |||||||||
2739 | static bool FinishOpenMPLinearClause(OMPLinearClause &Clause, DeclRefExpr *IV, | ||||||||
2740 | Expr *NumIterations, Sema &SemaRef, | ||||||||
2741 | Scope *S, DSAStackTy *Stack); | ||||||||
2742 | |||||||||
2743 | namespace { | ||||||||
2744 | |||||||||
2745 | class VarDeclFilterCCC final : public CorrectionCandidateCallback { | ||||||||
2746 | private: | ||||||||
2747 | Sema &SemaRef; | ||||||||
2748 | |||||||||
2749 | public: | ||||||||
2750 | explicit VarDeclFilterCCC(Sema &S) : SemaRef(S) {} | ||||||||
2751 | bool ValidateCandidate(const TypoCorrection &Candidate) override { | ||||||||
2752 | NamedDecl *ND = Candidate.getCorrectionDecl(); | ||||||||
2753 | if (const auto *VD = dyn_cast_or_null<VarDecl>(ND)) { | ||||||||
2754 | return VD->hasGlobalStorage() && | ||||||||
2755 | SemaRef.isDeclInScope(ND, SemaRef.getCurLexicalContext(), | ||||||||
2756 | SemaRef.getCurScope()); | ||||||||
2757 | } | ||||||||
2758 | return false; | ||||||||
2759 | } | ||||||||
2760 | |||||||||
2761 | std::unique_ptr<CorrectionCandidateCallback> clone() override { | ||||||||
2762 | return std::make_unique<VarDeclFilterCCC>(*this); | ||||||||
2763 | } | ||||||||
2764 | |||||||||
2765 | }; | ||||||||
2766 | |||||||||
2767 | class VarOrFuncDeclFilterCCC final : public CorrectionCandidateCallback { | ||||||||
2768 | private: | ||||||||
2769 | Sema &SemaRef; | ||||||||
2770 | |||||||||
2771 | public: | ||||||||
2772 | explicit VarOrFuncDeclFilterCCC(Sema &S) : SemaRef(S) {} | ||||||||
2773 | bool ValidateCandidate(const TypoCorrection &Candidate) override { | ||||||||
2774 | NamedDecl *ND = Candidate.getCorrectionDecl(); | ||||||||
2775 | if (ND && ((isa<VarDecl>(ND) && ND->getKind() == Decl::Var) || | ||||||||
2776 | isa<FunctionDecl>(ND))) { | ||||||||
2777 | return SemaRef.isDeclInScope(ND, SemaRef.getCurLexicalContext(), | ||||||||
2778 | SemaRef.getCurScope()); | ||||||||
2779 | } | ||||||||
2780 | return false; | ||||||||
2781 | } | ||||||||
2782 | |||||||||
2783 | std::unique_ptr<CorrectionCandidateCallback> clone() override { | ||||||||
2784 | return std::make_unique<VarOrFuncDeclFilterCCC>(*this); | ||||||||
2785 | } | ||||||||
2786 | }; | ||||||||
2787 | |||||||||
2788 | } // namespace | ||||||||
2789 | |||||||||
2790 | ExprResult Sema::ActOnOpenMPIdExpression(Scope *CurScope, | ||||||||
2791 | CXXScopeSpec &ScopeSpec, | ||||||||
2792 | const DeclarationNameInfo &Id, | ||||||||
2793 | OpenMPDirectiveKind Kind) { | ||||||||
2794 | LookupResult Lookup(*this, Id, LookupOrdinaryName); | ||||||||
2795 | LookupParsedName(Lookup, CurScope, &ScopeSpec, true); | ||||||||
2796 | |||||||||
2797 | if (Lookup.isAmbiguous()) | ||||||||
2798 | return ExprError(); | ||||||||
2799 | |||||||||
2800 | VarDecl *VD; | ||||||||
2801 | if (!Lookup.isSingleResult()) { | ||||||||
2802 | VarDeclFilterCCC CCC(*this); | ||||||||
2803 | if (TypoCorrection Corrected = | ||||||||
2804 | CorrectTypo(Id, LookupOrdinaryName, CurScope, nullptr, CCC, | ||||||||
2805 | CTK_ErrorRecovery)) { | ||||||||
2806 | diagnoseTypo(Corrected, | ||||||||
2807 | PDiag(Lookup.empty() | ||||||||
2808 | ? diag::err_undeclared_var_use_suggest | ||||||||
2809 | : diag::err_omp_expected_var_arg_suggest) | ||||||||
2810 | << Id.getName()); | ||||||||
2811 | VD = Corrected.getCorrectionDeclAs<VarDecl>(); | ||||||||
2812 | } else { | ||||||||
2813 | Diag(Id.getLoc(), Lookup.empty() ? diag::err_undeclared_var_use | ||||||||
2814 | : diag::err_omp_expected_var_arg) | ||||||||
2815 | << Id.getName(); | ||||||||
2816 | return ExprError(); | ||||||||
2817 | } | ||||||||
2818 | } else if (!(VD = Lookup.getAsSingle<VarDecl>())) { | ||||||||
2819 | Diag(Id.getLoc(), diag::err_omp_expected_var_arg) << Id.getName(); | ||||||||
2820 | Diag(Lookup.getFoundDecl()->getLocation(), diag::note_declared_at); | ||||||||
2821 | return ExprError(); | ||||||||
2822 | } | ||||||||
2823 | Lookup.suppressDiagnostics(); | ||||||||
2824 | |||||||||
2825 | // OpenMP [2.9.2, Syntax, C/C++] | ||||||||
2826 | // Variables must be file-scope, namespace-scope, or static block-scope. | ||||||||
2827 | if (Kind == OMPD_threadprivate && !VD->hasGlobalStorage()) { | ||||||||
2828 | Diag(Id.getLoc(), diag::err_omp_global_var_arg) | ||||||||
2829 | << getOpenMPDirectiveName(Kind) << !VD->isStaticLocal(); | ||||||||
2830 | bool IsDecl = | ||||||||
2831 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | ||||||||
2832 | Diag(VD->getLocation(), | ||||||||
2833 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||||||
2834 | << VD; | ||||||||
2835 | return ExprError(); | ||||||||
2836 | } | ||||||||
2837 | |||||||||
2838 | VarDecl *CanonicalVD = VD->getCanonicalDecl(); | ||||||||
2839 | NamedDecl *ND = CanonicalVD; | ||||||||
2840 | // OpenMP [2.9.2, Restrictions, C/C++, p.2] | ||||||||
2841 | // A threadprivate directive for file-scope variables must appear outside | ||||||||
2842 | // any definition or declaration. | ||||||||
2843 | if (CanonicalVD->getDeclContext()->isTranslationUnit() && | ||||||||
2844 | !getCurLexicalContext()->isTranslationUnit()) { | ||||||||
2845 | Diag(Id.getLoc(), diag::err_omp_var_scope) | ||||||||
2846 | << getOpenMPDirectiveName(Kind) << VD; | ||||||||
2847 | bool IsDecl = | ||||||||
2848 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | ||||||||
2849 | Diag(VD->getLocation(), | ||||||||
2850 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||||||
2851 | << VD; | ||||||||
2852 | return ExprError(); | ||||||||
2853 | } | ||||||||
2854 | // OpenMP [2.9.2, Restrictions, C/C++, p.3] | ||||||||
2855 | // A threadprivate directive for static class member variables must appear | ||||||||
2856 | // in the class definition, in the same scope in which the member | ||||||||
2857 | // variables are declared. | ||||||||
2858 | if (CanonicalVD->isStaticDataMember() && | ||||||||
2859 | !CanonicalVD->getDeclContext()->Equals(getCurLexicalContext())) { | ||||||||
2860 | Diag(Id.getLoc(), diag::err_omp_var_scope) | ||||||||
2861 | << getOpenMPDirectiveName(Kind) << VD; | ||||||||
2862 | bool IsDecl = | ||||||||
2863 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | ||||||||
2864 | Diag(VD->getLocation(), | ||||||||
2865 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||||||
2866 | << VD; | ||||||||
2867 | return ExprError(); | ||||||||
2868 | } | ||||||||
2869 | // OpenMP [2.9.2, Restrictions, C/C++, p.4] | ||||||||
2870 | // A threadprivate directive for namespace-scope variables must appear | ||||||||
2871 | // outside any definition or declaration other than the namespace | ||||||||
2872 | // definition itself. | ||||||||
2873 | if (CanonicalVD->getDeclContext()->isNamespace() && | ||||||||
2874 | (!getCurLexicalContext()->isFileContext() || | ||||||||
2875 | !getCurLexicalContext()->Encloses(CanonicalVD->getDeclContext()))) { | ||||||||
2876 | Diag(Id.getLoc(), diag::err_omp_var_scope) | ||||||||
2877 | << getOpenMPDirectiveName(Kind) << VD; | ||||||||
2878 | bool IsDecl = | ||||||||
2879 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | ||||||||
2880 | Diag(VD->getLocation(), | ||||||||
2881 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||||||
2882 | << VD; | ||||||||
2883 | return ExprError(); | ||||||||
2884 | } | ||||||||
2885 | // OpenMP [2.9.2, Restrictions, C/C++, p.6] | ||||||||
2886 | // A threadprivate directive for static block-scope variables must appear | ||||||||
2887 | // in the scope of the variable and not in a nested scope. | ||||||||
2888 | if (CanonicalVD->isLocalVarDecl() && CurScope && | ||||||||
2889 | !isDeclInScope(ND, getCurLexicalContext(), CurScope)) { | ||||||||
2890 | Diag(Id.getLoc(), diag::err_omp_var_scope) | ||||||||
2891 | << getOpenMPDirectiveName(Kind) << VD; | ||||||||
2892 | bool IsDecl = | ||||||||
2893 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | ||||||||
2894 | Diag(VD->getLocation(), | ||||||||
2895 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||||||
2896 | << VD; | ||||||||
2897 | return ExprError(); | ||||||||
2898 | } | ||||||||
2899 | |||||||||
2900 | // OpenMP [2.9.2, Restrictions, C/C++, p.2-6] | ||||||||
2901 | // A threadprivate directive must lexically precede all references to any | ||||||||
2902 | // of the variables in its list. | ||||||||
2903 | if (Kind == OMPD_threadprivate && VD->isUsed() && | ||||||||
2904 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isThreadPrivate(VD)) { | ||||||||
2905 | Diag(Id.getLoc(), diag::err_omp_var_used) | ||||||||
2906 | << getOpenMPDirectiveName(Kind) << VD; | ||||||||
2907 | return ExprError(); | ||||||||
2908 | } | ||||||||
2909 | |||||||||
2910 | QualType ExprType = VD->getType().getNonReferenceType(); | ||||||||
2911 | return DeclRefExpr::Create(Context, NestedNameSpecifierLoc(), | ||||||||
2912 | SourceLocation(), VD, | ||||||||
2913 | /*RefersToEnclosingVariableOrCapture=*/false, | ||||||||
2914 | Id.getLoc(), ExprType, VK_LValue); | ||||||||
2915 | } | ||||||||
2916 | |||||||||
2917 | Sema::DeclGroupPtrTy | ||||||||
2918 | Sema::ActOnOpenMPThreadprivateDirective(SourceLocation Loc, | ||||||||
2919 | ArrayRef<Expr *> VarList) { | ||||||||
2920 | if (OMPThreadPrivateDecl *D = CheckOMPThreadPrivateDecl(Loc, VarList)) { | ||||||||
2921 | CurContext->addDecl(D); | ||||||||
2922 | return DeclGroupPtrTy::make(DeclGroupRef(D)); | ||||||||
2923 | } | ||||||||
2924 | return nullptr; | ||||||||
2925 | } | ||||||||
2926 | |||||||||
2927 | namespace { | ||||||||
2928 | class LocalVarRefChecker final | ||||||||
2929 | : public ConstStmtVisitor<LocalVarRefChecker, bool> { | ||||||||
2930 | Sema &SemaRef; | ||||||||
2931 | |||||||||
2932 | public: | ||||||||
2933 | bool VisitDeclRefExpr(const DeclRefExpr *E) { | ||||||||
2934 | if (const auto *VD = dyn_cast<VarDecl>(E->getDecl())) { | ||||||||
2935 | if (VD->hasLocalStorage()) { | ||||||||
2936 | SemaRef.Diag(E->getBeginLoc(), | ||||||||
2937 | diag::err_omp_local_var_in_threadprivate_init) | ||||||||
2938 | << E->getSourceRange(); | ||||||||
2939 | SemaRef.Diag(VD->getLocation(), diag::note_defined_here) | ||||||||
2940 | << VD << VD->getSourceRange(); | ||||||||
2941 | return true; | ||||||||
2942 | } | ||||||||
2943 | } | ||||||||
2944 | return false; | ||||||||
2945 | } | ||||||||
2946 | bool VisitStmt(const Stmt *S) { | ||||||||
2947 | for (const Stmt *Child : S->children()) { | ||||||||
2948 | if (Child && Visit(Child)) | ||||||||
2949 | return true; | ||||||||
2950 | } | ||||||||
2951 | return false; | ||||||||
2952 | } | ||||||||
2953 | explicit LocalVarRefChecker(Sema &SemaRef) : SemaRef(SemaRef) {} | ||||||||
2954 | }; | ||||||||
2955 | } // namespace | ||||||||
2956 | |||||||||
2957 | OMPThreadPrivateDecl * | ||||||||
2958 | Sema::CheckOMPThreadPrivateDecl(SourceLocation Loc, ArrayRef<Expr *> VarList) { | ||||||||
2959 | SmallVector<Expr *, 8> Vars; | ||||||||
2960 | for (Expr *RefExpr : VarList) { | ||||||||
2961 | auto *DE = cast<DeclRefExpr>(RefExpr); | ||||||||
2962 | auto *VD = cast<VarDecl>(DE->getDecl()); | ||||||||
2963 | SourceLocation ILoc = DE->getExprLoc(); | ||||||||
2964 | |||||||||
2965 | // Mark variable as used. | ||||||||
2966 | VD->setReferenced(); | ||||||||
2967 | VD->markUsed(Context); | ||||||||
2968 | |||||||||
2969 | QualType QType = VD->getType(); | ||||||||
2970 | if (QType->isDependentType() || QType->isInstantiationDependentType()) { | ||||||||
2971 | // It will be analyzed later. | ||||||||
2972 | Vars.push_back(DE); | ||||||||
2973 | continue; | ||||||||
2974 | } | ||||||||
2975 | |||||||||
2976 | // OpenMP [2.9.2, Restrictions, C/C++, p.10] | ||||||||
2977 | // A threadprivate variable must not have an incomplete type. | ||||||||
2978 | if (RequireCompleteType(ILoc, VD->getType(), | ||||||||
2979 | diag::err_omp_threadprivate_incomplete_type)) { | ||||||||
2980 | continue; | ||||||||
2981 | } | ||||||||
2982 | |||||||||
2983 | // OpenMP [2.9.2, Restrictions, C/C++, p.10] | ||||||||
2984 | // A threadprivate variable must not have a reference type. | ||||||||
2985 | if (VD->getType()->isReferenceType()) { | ||||||||
2986 | Diag(ILoc, diag::err_omp_ref_type_arg) | ||||||||
2987 | << getOpenMPDirectiveName(OMPD_threadprivate) << VD->getType(); | ||||||||
2988 | bool IsDecl = | ||||||||
2989 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | ||||||||
2990 | Diag(VD->getLocation(), | ||||||||
2991 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||||||
2992 | << VD; | ||||||||
2993 | continue; | ||||||||
2994 | } | ||||||||
2995 | |||||||||
2996 | // Check if this is a TLS variable. If TLS is not being supported, produce | ||||||||
2997 | // the corresponding diagnostic. | ||||||||
2998 | if ((VD->getTLSKind() != VarDecl::TLS_None && | ||||||||
2999 | !(VD->hasAttr<OMPThreadPrivateDeclAttr>() && | ||||||||
3000 | getLangOpts().OpenMPUseTLS && | ||||||||
3001 | getASTContext().getTargetInfo().isTLSSupported())) || | ||||||||
3002 | (VD->getStorageClass() == SC_Register && VD->hasAttr<AsmLabelAttr>() && | ||||||||
3003 | !VD->isLocalVarDecl())) { | ||||||||
3004 | Diag(ILoc, diag::err_omp_var_thread_local) | ||||||||
3005 | << VD << ((VD->getTLSKind() != VarDecl::TLS_None) ? 0 : 1); | ||||||||
3006 | bool IsDecl = | ||||||||
3007 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | ||||||||
3008 | Diag(VD->getLocation(), | ||||||||
3009 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||||||
3010 | << VD; | ||||||||
3011 | continue; | ||||||||
3012 | } | ||||||||
3013 | |||||||||
3014 | // Check if initial value of threadprivate variable reference variable with | ||||||||
3015 | // local storage (it is not supported by runtime). | ||||||||
3016 | if (const Expr *Init = VD->getAnyInitializer()) { | ||||||||
3017 | LocalVarRefChecker Checker(*this); | ||||||||
3018 | if (Checker.Visit(Init)) | ||||||||
3019 | continue; | ||||||||
3020 | } | ||||||||
3021 | |||||||||
3022 | Vars.push_back(RefExpr); | ||||||||
3023 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(VD, DE, OMPC_threadprivate); | ||||||||
3024 | VD->addAttr(OMPThreadPrivateDeclAttr::CreateImplicit( | ||||||||
3025 | Context, SourceRange(Loc, Loc))); | ||||||||
3026 | if (ASTMutationListener *ML = Context.getASTMutationListener()) | ||||||||
3027 | ML->DeclarationMarkedOpenMPThreadPrivate(VD); | ||||||||
3028 | } | ||||||||
3029 | OMPThreadPrivateDecl *D = nullptr; | ||||||||
3030 | if (!Vars.empty()) { | ||||||||
3031 | D = OMPThreadPrivateDecl::Create(Context, getCurLexicalContext(), Loc, | ||||||||
3032 | Vars); | ||||||||
3033 | D->setAccess(AS_public); | ||||||||
3034 | } | ||||||||
3035 | return D; | ||||||||
3036 | } | ||||||||
3037 | |||||||||
3038 | static OMPAllocateDeclAttr::AllocatorTypeTy | ||||||||
3039 | getAllocatorKind(Sema &S, DSAStackTy *Stack, Expr *Allocator) { | ||||||||
3040 | if (!Allocator) | ||||||||
3041 | return OMPAllocateDeclAttr::OMPNullMemAlloc; | ||||||||
3042 | if (Allocator->isTypeDependent() || Allocator->isValueDependent() || | ||||||||
3043 | Allocator->isInstantiationDependent() || | ||||||||
3044 | Allocator->containsUnexpandedParameterPack()) | ||||||||
3045 | return OMPAllocateDeclAttr::OMPUserDefinedMemAlloc; | ||||||||
3046 | auto AllocatorKindRes = OMPAllocateDeclAttr::OMPUserDefinedMemAlloc; | ||||||||
3047 | const Expr *AE = Allocator->IgnoreParenImpCasts(); | ||||||||
3048 | for (int I = 0; I < OMPAllocateDeclAttr::OMPUserDefinedMemAlloc; ++I) { | ||||||||
3049 | auto AllocatorKind = static_cast<OMPAllocateDeclAttr::AllocatorTypeTy>(I); | ||||||||
3050 | const Expr *DefAllocator = Stack->getAllocator(AllocatorKind); | ||||||||
3051 | llvm::FoldingSetNodeID AEId, DAEId; | ||||||||
3052 | AE->Profile(AEId, S.getASTContext(), /*Canonical=*/true); | ||||||||
3053 | DefAllocator->Profile(DAEId, S.getASTContext(), /*Canonical=*/true); | ||||||||
3054 | if (AEId == DAEId) { | ||||||||
3055 | AllocatorKindRes = AllocatorKind; | ||||||||
3056 | break; | ||||||||
3057 | } | ||||||||
3058 | } | ||||||||
3059 | return AllocatorKindRes; | ||||||||
3060 | } | ||||||||
3061 | |||||||||
3062 | static bool checkPreviousOMPAllocateAttribute( | ||||||||
3063 | Sema &S, DSAStackTy *Stack, Expr *RefExpr, VarDecl *VD, | ||||||||
3064 | OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind, Expr *Allocator) { | ||||||||
3065 | if (!VD->hasAttr<OMPAllocateDeclAttr>()) | ||||||||
3066 | return false; | ||||||||
3067 | const auto *A = VD->getAttr<OMPAllocateDeclAttr>(); | ||||||||
3068 | Expr *PrevAllocator = A->getAllocator(); | ||||||||
3069 | OMPAllocateDeclAttr::AllocatorTypeTy PrevAllocatorKind = | ||||||||
3070 | getAllocatorKind(S, Stack, PrevAllocator); | ||||||||
3071 | bool AllocatorsMatch = AllocatorKind == PrevAllocatorKind; | ||||||||
3072 | if (AllocatorsMatch && | ||||||||
3073 | AllocatorKind == OMPAllocateDeclAttr::OMPUserDefinedMemAlloc && | ||||||||
3074 | Allocator && PrevAllocator) { | ||||||||
3075 | const Expr *AE = Allocator->IgnoreParenImpCasts(); | ||||||||
3076 | const Expr *PAE = PrevAllocator->IgnoreParenImpCasts(); | ||||||||
3077 | llvm::FoldingSetNodeID AEId, PAEId; | ||||||||
3078 | AE->Profile(AEId, S.Context, /*Canonical=*/true); | ||||||||
3079 | PAE->Profile(PAEId, S.Context, /*Canonical=*/true); | ||||||||
3080 | AllocatorsMatch = AEId == PAEId; | ||||||||
3081 | } | ||||||||
3082 | if (!AllocatorsMatch) { | ||||||||
3083 | SmallString<256> AllocatorBuffer; | ||||||||
3084 | llvm::raw_svector_ostream AllocatorStream(AllocatorBuffer); | ||||||||
3085 | if (Allocator) | ||||||||
3086 | Allocator->printPretty(AllocatorStream, nullptr, S.getPrintingPolicy()); | ||||||||
3087 | SmallString<256> PrevAllocatorBuffer; | ||||||||
3088 | llvm::raw_svector_ostream PrevAllocatorStream(PrevAllocatorBuffer); | ||||||||
3089 | if (PrevAllocator) | ||||||||
3090 | PrevAllocator->printPretty(PrevAllocatorStream, nullptr, | ||||||||
3091 | S.getPrintingPolicy()); | ||||||||
3092 | |||||||||
3093 | SourceLocation AllocatorLoc = | ||||||||
3094 | Allocator ? Allocator->getExprLoc() : RefExpr->getExprLoc(); | ||||||||
3095 | SourceRange AllocatorRange = | ||||||||
3096 | Allocator ? Allocator->getSourceRange() : RefExpr->getSourceRange(); | ||||||||
3097 | SourceLocation PrevAllocatorLoc = | ||||||||
3098 | PrevAllocator ? PrevAllocator->getExprLoc() : A->getLocation(); | ||||||||
3099 | SourceRange PrevAllocatorRange = | ||||||||
3100 | PrevAllocator ? PrevAllocator->getSourceRange() : A->getRange(); | ||||||||
3101 | S.Diag(AllocatorLoc, diag::warn_omp_used_different_allocator) | ||||||||
3102 | << (Allocator ? 1 : 0) << AllocatorStream.str() | ||||||||
3103 | << (PrevAllocator ? 1 : 0) << PrevAllocatorStream.str() | ||||||||
3104 | << AllocatorRange; | ||||||||
3105 | S.Diag(PrevAllocatorLoc, diag::note_omp_previous_allocator) | ||||||||
3106 | << PrevAllocatorRange; | ||||||||
3107 | return true; | ||||||||
3108 | } | ||||||||
3109 | return false; | ||||||||
3110 | } | ||||||||
3111 | |||||||||
3112 | static void | ||||||||
3113 | applyOMPAllocateAttribute(Sema &S, VarDecl *VD, | ||||||||
3114 | OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind, | ||||||||
3115 | Expr *Allocator, SourceRange SR) { | ||||||||
3116 | if (VD->hasAttr<OMPAllocateDeclAttr>()) | ||||||||
3117 | return; | ||||||||
3118 | if (Allocator && | ||||||||
3119 | (Allocator->isTypeDependent() || Allocator->isValueDependent() || | ||||||||
3120 | Allocator->isInstantiationDependent() || | ||||||||
3121 | Allocator->containsUnexpandedParameterPack())) | ||||||||
3122 | return; | ||||||||
3123 | auto *A = OMPAllocateDeclAttr::CreateImplicit(S.Context, AllocatorKind, | ||||||||
3124 | Allocator, SR); | ||||||||
3125 | VD->addAttr(A); | ||||||||
3126 | if (ASTMutationListener *ML = S.Context.getASTMutationListener()) | ||||||||
3127 | ML->DeclarationMarkedOpenMPAllocate(VD, A); | ||||||||
3128 | } | ||||||||
3129 | |||||||||
3130 | Sema::DeclGroupPtrTy Sema::ActOnOpenMPAllocateDirective( | ||||||||
3131 | SourceLocation Loc, ArrayRef<Expr *> VarList, | ||||||||
3132 | ArrayRef<OMPClause *> Clauses, DeclContext *Owner) { | ||||||||
3133 | assert(Clauses.size() <= 1 && "Expected at most one clause.")((void)0); | ||||||||
3134 | Expr *Allocator = nullptr; | ||||||||
3135 | if (Clauses.empty()) { | ||||||||
3136 | // OpenMP 5.0, 2.11.3 allocate Directive, Restrictions. | ||||||||
3137 | // allocate directives that appear in a target region must specify an | ||||||||
3138 | // allocator clause unless a requires directive with the dynamic_allocators | ||||||||
3139 | // clause is present in the same compilation unit. | ||||||||
3140 | if (LangOpts.OpenMPIsDevice && | ||||||||
3141 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPDynamicAllocatorsClause>()) | ||||||||
3142 | targetDiag(Loc, diag::err_expected_allocator_clause); | ||||||||
3143 | } else { | ||||||||
3144 | Allocator = cast<OMPAllocatorClause>(Clauses.back())->getAllocator(); | ||||||||
3145 | } | ||||||||
3146 | OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind = | ||||||||
3147 | getAllocatorKind(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), Allocator); | ||||||||
3148 | SmallVector<Expr *, 8> Vars; | ||||||||
3149 | for (Expr *RefExpr : VarList) { | ||||||||
3150 | auto *DE = cast<DeclRefExpr>(RefExpr); | ||||||||
3151 | auto *VD = cast<VarDecl>(DE->getDecl()); | ||||||||
3152 | |||||||||
3153 | // Check if this is a TLS variable or global register. | ||||||||
3154 | if (VD->getTLSKind() != VarDecl::TLS_None || | ||||||||
3155 | VD->hasAttr<OMPThreadPrivateDeclAttr>() || | ||||||||
3156 | (VD->getStorageClass() == SC_Register && VD->hasAttr<AsmLabelAttr>() && | ||||||||
3157 | !VD->isLocalVarDecl())) | ||||||||
3158 | continue; | ||||||||
3159 | |||||||||
3160 | // If the used several times in the allocate directive, the same allocator | ||||||||
3161 | // must be used. | ||||||||
3162 | if (checkPreviousOMPAllocateAttribute(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), RefExpr, VD, | ||||||||
3163 | AllocatorKind, Allocator)) | ||||||||
3164 | continue; | ||||||||
3165 | |||||||||
3166 | // OpenMP, 2.11.3 allocate Directive, Restrictions, C / C++ | ||||||||
3167 | // If a list item has a static storage type, the allocator expression in the | ||||||||
3168 | // allocator clause must be a constant expression that evaluates to one of | ||||||||
3169 | // the predefined memory allocator values. | ||||||||
3170 | if (Allocator && VD->hasGlobalStorage()) { | ||||||||
3171 | if (AllocatorKind == OMPAllocateDeclAttr::OMPUserDefinedMemAlloc) { | ||||||||
3172 | Diag(Allocator->getExprLoc(), | ||||||||
3173 | diag::err_omp_expected_predefined_allocator) | ||||||||
3174 | << Allocator->getSourceRange(); | ||||||||
3175 | bool IsDecl = VD->isThisDeclarationADefinition(Context) == | ||||||||
3176 | VarDecl::DeclarationOnly; | ||||||||
3177 | Diag(VD->getLocation(), | ||||||||
3178 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||||||
3179 | << VD; | ||||||||
3180 | continue; | ||||||||
3181 | } | ||||||||
3182 | } | ||||||||
3183 | |||||||||
3184 | Vars.push_back(RefExpr); | ||||||||
3185 | applyOMPAllocateAttribute(*this, VD, AllocatorKind, Allocator, | ||||||||
3186 | DE->getSourceRange()); | ||||||||
3187 | } | ||||||||
3188 | if (Vars.empty()) | ||||||||
3189 | return nullptr; | ||||||||
3190 | if (!Owner) | ||||||||
3191 | Owner = getCurLexicalContext(); | ||||||||
3192 | auto *D = OMPAllocateDecl::Create(Context, Owner, Loc, Vars, Clauses); | ||||||||
3193 | D->setAccess(AS_public); | ||||||||
3194 | Owner->addDecl(D); | ||||||||
3195 | return DeclGroupPtrTy::make(DeclGroupRef(D)); | ||||||||
3196 | } | ||||||||
3197 | |||||||||
3198 | Sema::DeclGroupPtrTy | ||||||||
3199 | Sema::ActOnOpenMPRequiresDirective(SourceLocation Loc, | ||||||||
3200 | ArrayRef<OMPClause *> ClauseList) { | ||||||||
3201 | OMPRequiresDecl *D = nullptr; | ||||||||
3202 | if (!CurContext->isFileContext()) { | ||||||||
3203 | Diag(Loc, diag::err_omp_invalid_scope) << "requires"; | ||||||||
3204 | } else { | ||||||||
3205 | D = CheckOMPRequiresDecl(Loc, ClauseList); | ||||||||
3206 | if (D) { | ||||||||
3207 | CurContext->addDecl(D); | ||||||||
3208 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addRequiresDecl(D); | ||||||||
3209 | } | ||||||||
3210 | } | ||||||||
3211 | return DeclGroupPtrTy::make(DeclGroupRef(D)); | ||||||||
3212 | } | ||||||||
3213 | |||||||||
3214 | void Sema::ActOnOpenMPAssumesDirective(SourceLocation Loc, | ||||||||
3215 | OpenMPDirectiveKind DKind, | ||||||||
3216 | ArrayRef<StringRef> Assumptions, | ||||||||
3217 | bool SkippedClauses) { | ||||||||
3218 | if (!SkippedClauses && Assumptions.empty()) | ||||||||
3219 | Diag(Loc, diag::err_omp_no_clause_for_directive) | ||||||||
3220 | << llvm::omp::getAllAssumeClauseOptions() | ||||||||
3221 | << llvm::omp::getOpenMPDirectiveName(DKind); | ||||||||
3222 | |||||||||
3223 | auto *AA = AssumptionAttr::Create(Context, llvm::join(Assumptions, ","), Loc); | ||||||||
3224 | if (DKind == llvm::omp::Directive::OMPD_begin_assumes) { | ||||||||
3225 | OMPAssumeScoped.push_back(AA); | ||||||||
3226 | return; | ||||||||
3227 | } | ||||||||
3228 | |||||||||
3229 | // Global assumes without assumption clauses are ignored. | ||||||||
3230 | if (Assumptions.empty()) | ||||||||
3231 | return; | ||||||||
3232 | |||||||||
3233 | assert(DKind == llvm::omp::Directive::OMPD_assumes &&((void)0) | ||||||||
3234 | "Unexpected omp assumption directive!")((void)0); | ||||||||
3235 | OMPAssumeGlobal.push_back(AA); | ||||||||
3236 | |||||||||
3237 | // The OMPAssumeGlobal scope above will take care of new declarations but | ||||||||
3238 | // we also want to apply the assumption to existing ones, e.g., to | ||||||||
3239 | // declarations in included headers. To this end, we traverse all existing | ||||||||
3240 | // declaration contexts and annotate function declarations here. | ||||||||
3241 | SmallVector<DeclContext *, 8> DeclContexts; | ||||||||
3242 | auto *Ctx = CurContext; | ||||||||
3243 | while (Ctx->getLexicalParent()) | ||||||||
3244 | Ctx = Ctx->getLexicalParent(); | ||||||||
3245 | DeclContexts.push_back(Ctx); | ||||||||
3246 | while (!DeclContexts.empty()) { | ||||||||
3247 | DeclContext *DC = DeclContexts.pop_back_val(); | ||||||||
3248 | for (auto *SubDC : DC->decls()) { | ||||||||
3249 | if (SubDC->isInvalidDecl()) | ||||||||
3250 | continue; | ||||||||
3251 | if (auto *CTD = dyn_cast<ClassTemplateDecl>(SubDC)) { | ||||||||
3252 | DeclContexts.push_back(CTD->getTemplatedDecl()); | ||||||||
3253 | for (auto *S : CTD->specializations()) | ||||||||
3254 | DeclContexts.push_back(S); | ||||||||
3255 | continue; | ||||||||
3256 | } | ||||||||
3257 | if (auto *DC = dyn_cast<DeclContext>(SubDC)) | ||||||||
3258 | DeclContexts.push_back(DC); | ||||||||
3259 | if (auto *F = dyn_cast<FunctionDecl>(SubDC)) { | ||||||||
3260 | F->addAttr(AA); | ||||||||
3261 | continue; | ||||||||
3262 | } | ||||||||
3263 | } | ||||||||
3264 | } | ||||||||
3265 | } | ||||||||
3266 | |||||||||
3267 | void Sema::ActOnOpenMPEndAssumesDirective() { | ||||||||
3268 | assert(isInOpenMPAssumeScope() && "Not in OpenMP assumes scope!")((void)0); | ||||||||
3269 | OMPAssumeScoped.pop_back(); | ||||||||
3270 | } | ||||||||
3271 | |||||||||
3272 | OMPRequiresDecl *Sema::CheckOMPRequiresDecl(SourceLocation Loc, | ||||||||
3273 | ArrayRef<OMPClause *> ClauseList) { | ||||||||
3274 | /// For target specific clauses, the requires directive cannot be | ||||||||
3275 | /// specified after the handling of any of the target regions in the | ||||||||
3276 | /// current compilation unit. | ||||||||
3277 | ArrayRef<SourceLocation> TargetLocations = | ||||||||
3278 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getEncounteredTargetLocs(); | ||||||||
3279 | SourceLocation AtomicLoc = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getAtomicDirectiveLoc(); | ||||||||
3280 | if (!TargetLocations.empty() || !AtomicLoc.isInvalid()) { | ||||||||
3281 | for (const OMPClause *CNew : ClauseList) { | ||||||||
3282 | // Check if any of the requires clauses affect target regions. | ||||||||
3283 | if (isa<OMPUnifiedSharedMemoryClause>(CNew) || | ||||||||
3284 | isa<OMPUnifiedAddressClause>(CNew) || | ||||||||
3285 | isa<OMPReverseOffloadClause>(CNew) || | ||||||||
3286 | isa<OMPDynamicAllocatorsClause>(CNew)) { | ||||||||
3287 | Diag(Loc, diag::err_omp_directive_before_requires) | ||||||||
3288 | << "target" << getOpenMPClauseName(CNew->getClauseKind()); | ||||||||
3289 | for (SourceLocation TargetLoc : TargetLocations) { | ||||||||
3290 | Diag(TargetLoc, diag::note_omp_requires_encountered_directive) | ||||||||
3291 | << "target"; | ||||||||
3292 | } | ||||||||
3293 | } else if (!AtomicLoc.isInvalid() && | ||||||||
3294 | isa<OMPAtomicDefaultMemOrderClause>(CNew)) { | ||||||||
3295 | Diag(Loc, diag::err_omp_directive_before_requires) | ||||||||
3296 | << "atomic" << getOpenMPClauseName(CNew->getClauseKind()); | ||||||||
3297 | Diag(AtomicLoc, diag::note_omp_requires_encountered_directive) | ||||||||
3298 | << "atomic"; | ||||||||
3299 | } | ||||||||
3300 | } | ||||||||
3301 | } | ||||||||
3302 | |||||||||
3303 | if (!DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasDuplicateRequiresClause(ClauseList)) | ||||||||
3304 | return OMPRequiresDecl::Create(Context, getCurLexicalContext(), Loc, | ||||||||
3305 | ClauseList); | ||||||||
3306 | return nullptr; | ||||||||
3307 | } | ||||||||
3308 | |||||||||
3309 | static void reportOriginalDsa(Sema &SemaRef, const DSAStackTy *Stack, | ||||||||
3310 | const ValueDecl *D, | ||||||||
3311 | const DSAStackTy::DSAVarData &DVar, | ||||||||
3312 | bool IsLoopIterVar) { | ||||||||
3313 | if (DVar.RefExpr) { | ||||||||
3314 | SemaRef.Diag(DVar.RefExpr->getExprLoc(), diag::note_omp_explicit_dsa) | ||||||||
3315 | << getOpenMPClauseName(DVar.CKind); | ||||||||
3316 | return; | ||||||||
3317 | } | ||||||||
3318 | enum { | ||||||||
3319 | PDSA_StaticMemberShared, | ||||||||
3320 | PDSA_StaticLocalVarShared, | ||||||||
3321 | PDSA_LoopIterVarPrivate, | ||||||||
3322 | PDSA_LoopIterVarLinear, | ||||||||
3323 | PDSA_LoopIterVarLastprivate, | ||||||||
3324 | PDSA_ConstVarShared, | ||||||||
3325 | PDSA_GlobalVarShared, | ||||||||
3326 | PDSA_TaskVarFirstprivate, | ||||||||
3327 | PDSA_LocalVarPrivate, | ||||||||
3328 | PDSA_Implicit | ||||||||
3329 | } Reason = PDSA_Implicit; | ||||||||
3330 | bool ReportHint = false; | ||||||||
3331 | auto ReportLoc = D->getLocation(); | ||||||||
3332 | auto *VD = dyn_cast<VarDecl>(D); | ||||||||
3333 | if (IsLoopIterVar) { | ||||||||
3334 | if (DVar.CKind == OMPC_private) | ||||||||
3335 | Reason = PDSA_LoopIterVarPrivate; | ||||||||
3336 | else if (DVar.CKind == OMPC_lastprivate) | ||||||||
3337 | Reason = PDSA_LoopIterVarLastprivate; | ||||||||
3338 | else | ||||||||
3339 | Reason = PDSA_LoopIterVarLinear; | ||||||||
3340 | } else if (isOpenMPTaskingDirective(DVar.DKind) && | ||||||||
3341 | DVar.CKind == OMPC_firstprivate) { | ||||||||
3342 | Reason = PDSA_TaskVarFirstprivate; | ||||||||
3343 | ReportLoc = DVar.ImplicitDSALoc; | ||||||||
3344 | } else if (VD && VD->isStaticLocal()) | ||||||||
3345 | Reason = PDSA_StaticLocalVarShared; | ||||||||
3346 | else if (VD && VD->isStaticDataMember()) | ||||||||
3347 | Reason = PDSA_StaticMemberShared; | ||||||||
3348 | else if (VD && VD->isFileVarDecl()) | ||||||||
3349 | Reason = PDSA_GlobalVarShared; | ||||||||
3350 | else if (D->getType().isConstant(SemaRef.getASTContext())) | ||||||||
3351 | Reason = PDSA_ConstVarShared; | ||||||||
3352 | else if (VD && VD->isLocalVarDecl() && DVar.CKind == OMPC_private) { | ||||||||
3353 | ReportHint = true; | ||||||||
3354 | Reason = PDSA_LocalVarPrivate; | ||||||||
3355 | } | ||||||||
3356 | if (Reason != PDSA_Implicit) { | ||||||||
3357 | SemaRef.Diag(ReportLoc, diag::note_omp_predetermined_dsa) | ||||||||
3358 | << Reason << ReportHint | ||||||||
3359 | << getOpenMPDirectiveName(Stack->getCurrentDirective()); | ||||||||
3360 | } else if (DVar.ImplicitDSALoc.isValid()) { | ||||||||
3361 | SemaRef.Diag(DVar.ImplicitDSALoc, diag::note_omp_implicit_dsa) | ||||||||
3362 | << getOpenMPClauseName(DVar.CKind); | ||||||||
3363 | } | ||||||||
3364 | } | ||||||||
3365 | |||||||||
3366 | static OpenMPMapClauseKind | ||||||||
3367 | getMapClauseKindFromModifier(OpenMPDefaultmapClauseModifier M, | ||||||||
3368 | bool IsAggregateOrDeclareTarget) { | ||||||||
3369 | OpenMPMapClauseKind Kind = OMPC_MAP_unknown; | ||||||||
3370 | switch (M) { | ||||||||
3371 | case OMPC_DEFAULTMAP_MODIFIER_alloc: | ||||||||
3372 | Kind = OMPC_MAP_alloc; | ||||||||
3373 | break; | ||||||||
3374 | case OMPC_DEFAULTMAP_MODIFIER_to: | ||||||||
3375 | Kind = OMPC_MAP_to; | ||||||||
3376 | break; | ||||||||
3377 | case OMPC_DEFAULTMAP_MODIFIER_from: | ||||||||
3378 | Kind = OMPC_MAP_from; | ||||||||
3379 | break; | ||||||||
3380 | case OMPC_DEFAULTMAP_MODIFIER_tofrom: | ||||||||
3381 | Kind = OMPC_MAP_tofrom; | ||||||||
3382 | break; | ||||||||
3383 | case OMPC_DEFAULTMAP_MODIFIER_present: | ||||||||
3384 | // OpenMP 5.1 [2.21.7.3] defaultmap clause, Description] | ||||||||
3385 | // If implicit-behavior is present, each variable referenced in the | ||||||||
3386 | // construct in the category specified by variable-category is treated as if | ||||||||
3387 | // it had been listed in a map clause with the map-type of alloc and | ||||||||
3388 | // map-type-modifier of present. | ||||||||
3389 | Kind = OMPC_MAP_alloc; | ||||||||
3390 | break; | ||||||||
3391 | case OMPC_DEFAULTMAP_MODIFIER_firstprivate: | ||||||||
3392 | case OMPC_DEFAULTMAP_MODIFIER_last: | ||||||||
3393 | llvm_unreachable("Unexpected defaultmap implicit behavior")__builtin_unreachable(); | ||||||||
3394 | case OMPC_DEFAULTMAP_MODIFIER_none: | ||||||||
3395 | case OMPC_DEFAULTMAP_MODIFIER_default: | ||||||||
3396 | case OMPC_DEFAULTMAP_MODIFIER_unknown: | ||||||||
3397 | // IsAggregateOrDeclareTarget could be true if: | ||||||||
3398 | // 1. the implicit behavior for aggregate is tofrom | ||||||||
3399 | // 2. it's a declare target link | ||||||||
3400 | if (IsAggregateOrDeclareTarget) { | ||||||||
3401 | Kind = OMPC_MAP_tofrom; | ||||||||
3402 | break; | ||||||||
3403 | } | ||||||||
3404 | llvm_unreachable("Unexpected defaultmap implicit behavior")__builtin_unreachable(); | ||||||||
3405 | } | ||||||||
3406 | assert(Kind != OMPC_MAP_unknown && "Expect map kind to be known")((void)0); | ||||||||
3407 | return Kind; | ||||||||
3408 | } | ||||||||
3409 | |||||||||
3410 | namespace { | ||||||||
3411 | class DSAAttrChecker final : public StmtVisitor<DSAAttrChecker, void> { | ||||||||
3412 | DSAStackTy *Stack; | ||||||||
3413 | Sema &SemaRef; | ||||||||
3414 | bool ErrorFound = false; | ||||||||
3415 | bool TryCaptureCXXThisMembers = false; | ||||||||
3416 | CapturedStmt *CS = nullptr; | ||||||||
3417 | const static unsigned DefaultmapKindNum = OMPC_DEFAULTMAP_pointer + 1; | ||||||||
3418 | llvm::SmallVector<Expr *, 4> ImplicitFirstprivate; | ||||||||
3419 | llvm::SmallVector<Expr *, 4> ImplicitMap[DefaultmapKindNum][OMPC_MAP_delete]; | ||||||||
3420 | llvm::SmallVector<OpenMPMapModifierKind, NumberOfOMPMapClauseModifiers> | ||||||||
3421 | ImplicitMapModifier[DefaultmapKindNum]; | ||||||||
3422 | Sema::VarsWithInheritedDSAType VarsWithInheritedDSA; | ||||||||
3423 | llvm::SmallDenseSet<const ValueDecl *, 4> ImplicitDeclarations; | ||||||||
3424 | |||||||||
3425 | void VisitSubCaptures(OMPExecutableDirective *S) { | ||||||||
3426 | // Check implicitly captured variables. | ||||||||
3427 | if (!S->hasAssociatedStmt() || !S->getAssociatedStmt()) | ||||||||
3428 | return; | ||||||||
3429 | if (S->getDirectiveKind() == OMPD_atomic || | ||||||||
3430 | S->getDirectiveKind() == OMPD_critical || | ||||||||
3431 | S->getDirectiveKind() == OMPD_section || | ||||||||
3432 | S->getDirectiveKind() == OMPD_master || | ||||||||
3433 | S->getDirectiveKind() == OMPD_masked || | ||||||||
3434 | isOpenMPLoopTransformationDirective(S->getDirectiveKind())) { | ||||||||
3435 | Visit(S->getAssociatedStmt()); | ||||||||
3436 | return; | ||||||||
3437 | } | ||||||||
3438 | visitSubCaptures(S->getInnermostCapturedStmt()); | ||||||||
3439 | // Try to capture inner this->member references to generate correct mappings | ||||||||
3440 | // and diagnostics. | ||||||||
3441 | if (TryCaptureCXXThisMembers || | ||||||||
3442 | (isOpenMPTargetExecutionDirective(Stack->getCurrentDirective()) && | ||||||||
3443 | llvm::any_of(S->getInnermostCapturedStmt()->captures(), | ||||||||
3444 | [](const CapturedStmt::Capture &C) { | ||||||||
3445 | return C.capturesThis(); | ||||||||
3446 | }))) { | ||||||||
3447 | bool SavedTryCaptureCXXThisMembers = TryCaptureCXXThisMembers; | ||||||||
3448 | TryCaptureCXXThisMembers = true; | ||||||||
3449 | Visit(S->getInnermostCapturedStmt()->getCapturedStmt()); | ||||||||
3450 | TryCaptureCXXThisMembers = SavedTryCaptureCXXThisMembers; | ||||||||
3451 | } | ||||||||
3452 | // In tasks firstprivates are not captured anymore, need to analyze them | ||||||||
3453 | // explicitly. | ||||||||
3454 | if (isOpenMPTaskingDirective(S->getDirectiveKind()) && | ||||||||
3455 | !isOpenMPTaskLoopDirective(S->getDirectiveKind())) { | ||||||||
3456 | for (OMPClause *C : S->clauses()) | ||||||||
3457 | if (auto *FC = dyn_cast<OMPFirstprivateClause>(C)) { | ||||||||
3458 | for (Expr *Ref : FC->varlists()) | ||||||||
3459 | Visit(Ref); | ||||||||
3460 | } | ||||||||
3461 | } | ||||||||
3462 | } | ||||||||
3463 | |||||||||
3464 | public: | ||||||||
3465 | void VisitDeclRefExpr(DeclRefExpr *E) { | ||||||||
3466 | if (TryCaptureCXXThisMembers || E->isTypeDependent() || | ||||||||
3467 | E->isValueDependent() || E->containsUnexpandedParameterPack() || | ||||||||
3468 | E->isInstantiationDependent()) | ||||||||
3469 | return; | ||||||||
3470 | if (auto *VD = dyn_cast<VarDecl>(E->getDecl())) { | ||||||||
3471 | // Check the datasharing rules for the expressions in the clauses. | ||||||||
3472 | if (!CS) { | ||||||||
3473 | if (auto *CED = dyn_cast<OMPCapturedExprDecl>(VD)) | ||||||||
3474 | if (!CED->hasAttr<OMPCaptureNoInitAttr>()) { | ||||||||
3475 | Visit(CED->getInit()); | ||||||||
3476 | return; | ||||||||
3477 | } | ||||||||
3478 | } else if (VD->isImplicit() || isa<OMPCapturedExprDecl>(VD)) | ||||||||
3479 | // Do not analyze internal variables and do not enclose them into | ||||||||
3480 | // implicit clauses. | ||||||||
3481 | return; | ||||||||
3482 | VD = VD->getCanonicalDecl(); | ||||||||
3483 | // Skip internally declared variables. | ||||||||
3484 | if (VD->hasLocalStorage() && CS && !CS->capturesVariable(VD) && | ||||||||
3485 | !Stack->isImplicitTaskFirstprivate(VD)) | ||||||||
3486 | return; | ||||||||
3487 | // Skip allocators in uses_allocators clauses. | ||||||||
3488 | if (Stack->isUsesAllocatorsDecl(VD).hasValue()) | ||||||||
3489 | return; | ||||||||
3490 | |||||||||
3491 | DSAStackTy::DSAVarData DVar = Stack->getTopDSA(VD, /*FromParent=*/false); | ||||||||
3492 | // Check if the variable has explicit DSA set and stop analysis if it so. | ||||||||
3493 | if (DVar.RefExpr || !ImplicitDeclarations.insert(VD).second) | ||||||||
3494 | return; | ||||||||
3495 | |||||||||
3496 | // Skip internally declared static variables. | ||||||||
3497 | llvm::Optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = | ||||||||
3498 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD); | ||||||||
3499 | if (VD->hasGlobalStorage() && CS && !CS->capturesVariable(VD) && | ||||||||
3500 | (Stack->hasRequiresDeclWithClause<OMPUnifiedSharedMemoryClause>() || | ||||||||
3501 | !Res || *Res != OMPDeclareTargetDeclAttr::MT_Link) && | ||||||||
3502 | !Stack->isImplicitTaskFirstprivate(VD)) | ||||||||
3503 | return; | ||||||||
3504 | |||||||||
3505 | SourceLocation ELoc = E->getExprLoc(); | ||||||||
3506 | OpenMPDirectiveKind DKind = Stack->getCurrentDirective(); | ||||||||
3507 | // The default(none) clause requires that each variable that is referenced | ||||||||
3508 | // in the construct, and does not have a predetermined data-sharing | ||||||||
3509 | // attribute, must have its data-sharing attribute explicitly determined | ||||||||
3510 | // by being listed in a data-sharing attribute clause. | ||||||||
3511 | if (DVar.CKind == OMPC_unknown && | ||||||||
3512 | (Stack->getDefaultDSA() == DSA_none || | ||||||||
3513 | Stack->getDefaultDSA() == DSA_firstprivate) && | ||||||||
3514 | isImplicitOrExplicitTaskingRegion(DKind) && | ||||||||
3515 | VarsWithInheritedDSA.count(VD) == 0) { | ||||||||
3516 | bool InheritedDSA = Stack->getDefaultDSA() == DSA_none; | ||||||||
3517 | if (!InheritedDSA && Stack->getDefaultDSA() == DSA_firstprivate) { | ||||||||
3518 | DSAStackTy::DSAVarData DVar = | ||||||||
3519 | Stack->getImplicitDSA(VD, /*FromParent=*/false); | ||||||||
3520 | InheritedDSA = DVar.CKind == OMPC_unknown; | ||||||||
3521 | } | ||||||||
3522 | if (InheritedDSA) | ||||||||
3523 | VarsWithInheritedDSA[VD] = E; | ||||||||
3524 | return; | ||||||||
3525 | } | ||||||||
3526 | |||||||||
3527 | // OpenMP 5.0 [2.19.7.2, defaultmap clause, Description] | ||||||||
3528 | // If implicit-behavior is none, each variable referenced in the | ||||||||
3529 | // construct that does not have a predetermined data-sharing attribute | ||||||||
3530 | // and does not appear in a to or link clause on a declare target | ||||||||
3531 | // directive must be listed in a data-mapping attribute clause, a | ||||||||
3532 | // data-haring attribute clause (including a data-sharing attribute | ||||||||
3533 | // clause on a combined construct where target. is one of the | ||||||||
3534 | // constituent constructs), or an is_device_ptr clause. | ||||||||
3535 | OpenMPDefaultmapClauseKind ClauseKind = | ||||||||
3536 | getVariableCategoryFromDecl(SemaRef.getLangOpts(), VD); | ||||||||
3537 | if (SemaRef.getLangOpts().OpenMP >= 50) { | ||||||||
3538 | bool IsModifierNone = Stack->getDefaultmapModifier(ClauseKind) == | ||||||||
3539 | OMPC_DEFAULTMAP_MODIFIER_none; | ||||||||
3540 | if (DVar.CKind == OMPC_unknown && IsModifierNone && | ||||||||
3541 | VarsWithInheritedDSA.count(VD) == 0 && !Res) { | ||||||||
3542 | // Only check for data-mapping attribute and is_device_ptr here | ||||||||
3543 | // since we have already make sure that the declaration does not | ||||||||
3544 | // have a data-sharing attribute above | ||||||||
3545 | if (!Stack->checkMappableExprComponentListsForDecl( | ||||||||
3546 | VD, /*CurrentRegionOnly=*/true, | ||||||||
3547 | [VD](OMPClauseMappableExprCommon::MappableExprComponentListRef | ||||||||
3548 | MapExprComponents, | ||||||||
3549 | OpenMPClauseKind) { | ||||||||
3550 | auto MI = MapExprComponents.rbegin(); | ||||||||
3551 | auto ME = MapExprComponents.rend(); | ||||||||
3552 | return MI != ME && MI->getAssociatedDeclaration() == VD; | ||||||||
3553 | })) { | ||||||||
3554 | VarsWithInheritedDSA[VD] = E; | ||||||||
3555 | return; | ||||||||
3556 | } | ||||||||
3557 | } | ||||||||
3558 | } | ||||||||
3559 | if (SemaRef.getLangOpts().OpenMP > 50) { | ||||||||
3560 | bool IsModifierPresent = Stack->getDefaultmapModifier(ClauseKind) == | ||||||||
3561 | OMPC_DEFAULTMAP_MODIFIER_present; | ||||||||
3562 | if (IsModifierPresent) { | ||||||||
3563 | if (llvm::find(ImplicitMapModifier[ClauseKind], | ||||||||
3564 | OMPC_MAP_MODIFIER_present) == | ||||||||
3565 | std::end(ImplicitMapModifier[ClauseKind])) { | ||||||||
3566 | ImplicitMapModifier[ClauseKind].push_back( | ||||||||
3567 | OMPC_MAP_MODIFIER_present); | ||||||||
3568 | } | ||||||||
3569 | } | ||||||||
3570 | } | ||||||||
3571 | |||||||||
3572 | if (isOpenMPTargetExecutionDirective(DKind) && | ||||||||
3573 | !Stack->isLoopControlVariable(VD).first) { | ||||||||
3574 | if (!Stack->checkMappableExprComponentListsForDecl( | ||||||||
3575 | VD, /*CurrentRegionOnly=*/true, | ||||||||
3576 | [this](OMPClauseMappableExprCommon::MappableExprComponentListRef | ||||||||
3577 | StackComponents, | ||||||||
3578 | OpenMPClauseKind) { | ||||||||
3579 | if (SemaRef.LangOpts.OpenMP >= 50) | ||||||||
3580 | return !StackComponents.empty(); | ||||||||
3581 | // Variable is used if it has been marked as an array, array | ||||||||
3582 | // section, array shaping or the variable iself. | ||||||||
3583 | return StackComponents.size() == 1 || | ||||||||
3584 | std::all_of( | ||||||||
3585 | std::next(StackComponents.rbegin()), | ||||||||
3586 | StackComponents.rend(), | ||||||||
3587 | [](const OMPClauseMappableExprCommon:: | ||||||||
3588 | MappableComponent &MC) { | ||||||||
3589 | return MC.getAssociatedDeclaration() == | ||||||||
3590 | nullptr && | ||||||||
3591 | (isa<OMPArraySectionExpr>( | ||||||||
3592 | MC.getAssociatedExpression()) || | ||||||||
3593 | isa<OMPArrayShapingExpr>( | ||||||||
3594 | MC.getAssociatedExpression()) || | ||||||||
3595 | isa<ArraySubscriptExpr>( | ||||||||
3596 | MC.getAssociatedExpression())); | ||||||||
3597 | }); | ||||||||
3598 | })) { | ||||||||
3599 | bool IsFirstprivate = false; | ||||||||
3600 | // By default lambdas are captured as firstprivates. | ||||||||
3601 | if (const auto *RD = | ||||||||
3602 | VD->getType().getNonReferenceType()->getAsCXXRecordDecl()) | ||||||||
3603 | IsFirstprivate = RD->isLambda(); | ||||||||
3604 | IsFirstprivate = | ||||||||
3605 | IsFirstprivate || (Stack->mustBeFirstprivate(ClauseKind) && !Res); | ||||||||
3606 | if (IsFirstprivate) { | ||||||||
3607 | ImplicitFirstprivate.emplace_back(E); | ||||||||
3608 | } else { | ||||||||
3609 | OpenMPDefaultmapClauseModifier M = | ||||||||
3610 | Stack->getDefaultmapModifier(ClauseKind); | ||||||||
3611 | OpenMPMapClauseKind Kind = getMapClauseKindFromModifier( | ||||||||
3612 | M, ClauseKind == OMPC_DEFAULTMAP_aggregate || Res); | ||||||||
3613 | ImplicitMap[ClauseKind][Kind].emplace_back(E); | ||||||||
3614 | } | ||||||||
3615 | return; | ||||||||
3616 | } | ||||||||
3617 | } | ||||||||
3618 | |||||||||
3619 | // OpenMP [2.9.3.6, Restrictions, p.2] | ||||||||
3620 | // A list item that appears in a reduction clause of the innermost | ||||||||
3621 | // enclosing worksharing or parallel construct may not be accessed in an | ||||||||
3622 | // explicit task. | ||||||||
3623 | DVar = Stack->hasInnermostDSA( | ||||||||
3624 | VD, | ||||||||
3625 | [](OpenMPClauseKind C, bool AppliedToPointee) { | ||||||||
3626 | return C == OMPC_reduction && !AppliedToPointee; | ||||||||
3627 | }, | ||||||||
3628 | [](OpenMPDirectiveKind K) { | ||||||||
3629 | return isOpenMPParallelDirective(K) || | ||||||||
3630 | isOpenMPWorksharingDirective(K) || isOpenMPTeamsDirective(K); | ||||||||
3631 | }, | ||||||||
3632 | /*FromParent=*/true); | ||||||||
3633 | if (isOpenMPTaskingDirective(DKind) && DVar.CKind == OMPC_reduction) { | ||||||||
3634 | ErrorFound = true; | ||||||||
3635 | SemaRef.Diag(ELoc, diag::err_omp_reduction_in_task); | ||||||||
3636 | reportOriginalDsa(SemaRef, Stack, VD, DVar); | ||||||||
3637 | return; | ||||||||
3638 | } | ||||||||
3639 | |||||||||
3640 | // Define implicit data-sharing attributes for task. | ||||||||
3641 | DVar = Stack->getImplicitDSA(VD, /*FromParent=*/false); | ||||||||
3642 | if (((isOpenMPTaskingDirective(DKind) && DVar.CKind != OMPC_shared) || | ||||||||
3643 | (Stack->getDefaultDSA() == DSA_firstprivate && | ||||||||
3644 | DVar.CKind == OMPC_firstprivate && !DVar.RefExpr)) && | ||||||||
3645 | !Stack->isLoopControlVariable(VD).first) { | ||||||||
3646 | ImplicitFirstprivate.push_back(E); | ||||||||
3647 | return; | ||||||||
3648 | } | ||||||||
3649 | |||||||||
3650 | // Store implicitly used globals with declare target link for parent | ||||||||
3651 | // target. | ||||||||
3652 | if (!isOpenMPTargetExecutionDirective(DKind) && Res && | ||||||||
3653 | *Res == OMPDeclareTargetDeclAttr::MT_Link) { | ||||||||
3654 | Stack->addToParentTargetRegionLinkGlobals(E); | ||||||||
3655 | return; | ||||||||
3656 | } | ||||||||
3657 | } | ||||||||
3658 | } | ||||||||
3659 | void VisitMemberExpr(MemberExpr *E) { | ||||||||
3660 | if (E->isTypeDependent() || E->isValueDependent() || | ||||||||
3661 | E->containsUnexpandedParameterPack() || E->isInstantiationDependent()) | ||||||||
3662 | return; | ||||||||
3663 | auto *FD = dyn_cast<FieldDecl>(E->getMemberDecl()); | ||||||||
3664 | OpenMPDirectiveKind DKind = Stack->getCurrentDirective(); | ||||||||
3665 | if (auto *TE = dyn_cast<CXXThisExpr>(E->getBase()->IgnoreParenCasts())) { | ||||||||
3666 | if (!FD) | ||||||||
3667 | return; | ||||||||
3668 | DSAStackTy::DSAVarData DVar = Stack->getTopDSA(FD, /*FromParent=*/false); | ||||||||
3669 | // Check if the variable has explicit DSA set and stop analysis if it | ||||||||
3670 | // so. | ||||||||
3671 | if (DVar.RefExpr || !ImplicitDeclarations.insert(FD).second) | ||||||||
3672 | return; | ||||||||
3673 | |||||||||
3674 | if (isOpenMPTargetExecutionDirective(DKind) && | ||||||||
3675 | !Stack->isLoopControlVariable(FD).first && | ||||||||
3676 | !Stack->checkMappableExprComponentListsForDecl( | ||||||||
3677 | FD, /*CurrentRegionOnly=*/true, | ||||||||
3678 | [](OMPClauseMappableExprCommon::MappableExprComponentListRef | ||||||||
3679 | StackComponents, | ||||||||
3680 | OpenMPClauseKind) { | ||||||||
3681 | return isa<CXXThisExpr>( | ||||||||
3682 | cast<MemberExpr>( | ||||||||
3683 | StackComponents.back().getAssociatedExpression()) | ||||||||
3684 | ->getBase() | ||||||||
3685 | ->IgnoreParens()); | ||||||||
3686 | })) { | ||||||||
3687 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C/C++, p.3] | ||||||||
3688 | // A bit-field cannot appear in a map clause. | ||||||||
3689 | // | ||||||||
3690 | if (FD->isBitField()) | ||||||||
3691 | return; | ||||||||
3692 | |||||||||
3693 | // Check to see if the member expression is referencing a class that | ||||||||
3694 | // has already been explicitly mapped | ||||||||
3695 | if (Stack->isClassPreviouslyMapped(TE->getType())) | ||||||||
3696 | return; | ||||||||
3697 | |||||||||
3698 | OpenMPDefaultmapClauseModifier Modifier = | ||||||||
3699 | Stack->getDefaultmapModifier(OMPC_DEFAULTMAP_aggregate); | ||||||||
3700 | OpenMPDefaultmapClauseKind ClauseKind = | ||||||||
3701 | getVariableCategoryFromDecl(SemaRef.getLangOpts(), FD); | ||||||||
3702 | OpenMPMapClauseKind Kind = getMapClauseKindFromModifier( | ||||||||
3703 | Modifier, /*IsAggregateOrDeclareTarget*/ true); | ||||||||
3704 | ImplicitMap[ClauseKind][Kind].emplace_back(E); | ||||||||
3705 | return; | ||||||||
3706 | } | ||||||||
3707 | |||||||||
3708 | SourceLocation ELoc = E->getExprLoc(); | ||||||||
3709 | // OpenMP [2.9.3.6, Restrictions, p.2] | ||||||||
3710 | // A list item that appears in a reduction clause of the innermost | ||||||||
3711 | // enclosing worksharing or parallel construct may not be accessed in | ||||||||
3712 | // an explicit task. | ||||||||
3713 | DVar = Stack->hasInnermostDSA( | ||||||||
3714 | FD, | ||||||||
3715 | [](OpenMPClauseKind C, bool AppliedToPointee) { | ||||||||
3716 | return C == OMPC_reduction && !AppliedToPointee; | ||||||||
3717 | }, | ||||||||
3718 | [](OpenMPDirectiveKind K) { | ||||||||
3719 | return isOpenMPParallelDirective(K) || | ||||||||
3720 | isOpenMPWorksharingDirective(K) || isOpenMPTeamsDirective(K); | ||||||||
3721 | }, | ||||||||
3722 | /*FromParent=*/true); | ||||||||
3723 | if (isOpenMPTaskingDirective(DKind) && DVar.CKind == OMPC_reduction) { | ||||||||
3724 | ErrorFound = true; | ||||||||
3725 | SemaRef.Diag(ELoc, diag::err_omp_reduction_in_task); | ||||||||
3726 | reportOriginalDsa(SemaRef, Stack, FD, DVar); | ||||||||
3727 | return; | ||||||||
3728 | } | ||||||||
3729 | |||||||||
3730 | // Define implicit data-sharing attributes for task. | ||||||||
3731 | DVar = Stack->getImplicitDSA(FD, /*FromParent=*/false); | ||||||||
3732 | if (isOpenMPTaskingDirective(DKind) && DVar.CKind != OMPC_shared && | ||||||||
3733 | !Stack->isLoopControlVariable(FD).first) { | ||||||||
3734 | // Check if there is a captured expression for the current field in the | ||||||||
3735 | // region. Do not mark it as firstprivate unless there is no captured | ||||||||
3736 | // expression. | ||||||||
3737 | // TODO: try to make it firstprivate. | ||||||||
3738 | if (DVar.CKind != OMPC_unknown) | ||||||||
3739 | ImplicitFirstprivate.push_back(E); | ||||||||
3740 | } | ||||||||
3741 | return; | ||||||||
3742 | } | ||||||||
3743 | if (isOpenMPTargetExecutionDirective(DKind)) { | ||||||||
3744 | OMPClauseMappableExprCommon::MappableExprComponentList CurComponents; | ||||||||
3745 | if (!checkMapClauseExpressionBase(SemaRef, E, CurComponents, OMPC_map, | ||||||||
3746 | Stack->getCurrentDirective(), | ||||||||
3747 | /*NoDiagnose=*/true)) | ||||||||
3748 | return; | ||||||||
3749 | const auto *VD = cast<ValueDecl>( | ||||||||
3750 | CurComponents.back().getAssociatedDeclaration()->getCanonicalDecl()); | ||||||||
3751 | if (!Stack->checkMappableExprComponentListsForDecl( | ||||||||
3752 | VD, /*CurrentRegionOnly=*/true, | ||||||||
3753 | [&CurComponents]( | ||||||||
3754 | OMPClauseMappableExprCommon::MappableExprComponentListRef | ||||||||
3755 | StackComponents, | ||||||||
3756 | OpenMPClauseKind) { | ||||||||
3757 | auto CCI = CurComponents.rbegin(); | ||||||||
3758 | auto CCE = CurComponents.rend(); | ||||||||
3759 | for (const auto &SC : llvm::reverse(StackComponents)) { | ||||||||
3760 | // Do both expressions have the same kind? | ||||||||
3761 | if (CCI->getAssociatedExpression()->getStmtClass() != | ||||||||
3762 | SC.getAssociatedExpression()->getStmtClass()) | ||||||||
3763 | if (!((isa<OMPArraySectionExpr>( | ||||||||
3764 | SC.getAssociatedExpression()) || | ||||||||
3765 | isa<OMPArrayShapingExpr>( | ||||||||
3766 | SC.getAssociatedExpression())) && | ||||||||
3767 | isa<ArraySubscriptExpr>( | ||||||||
3768 | CCI->getAssociatedExpression()))) | ||||||||
3769 | return false; | ||||||||
3770 | |||||||||
3771 | const Decl *CCD = CCI->getAssociatedDeclaration(); | ||||||||
3772 | const Decl *SCD = SC.getAssociatedDeclaration(); | ||||||||
3773 | CCD = CCD ? CCD->getCanonicalDecl() : nullptr; | ||||||||
3774 | SCD = SCD ? SCD->getCanonicalDecl() : nullptr; | ||||||||
3775 | if (SCD != CCD) | ||||||||
3776 | return false; | ||||||||
3777 | std::advance(CCI, 1); | ||||||||
3778 | if (CCI == CCE) | ||||||||
3779 | break; | ||||||||
3780 | } | ||||||||
3781 | return true; | ||||||||
3782 | })) { | ||||||||
3783 | Visit(E->getBase()); | ||||||||
3784 | } | ||||||||
3785 | } else if (!TryCaptureCXXThisMembers) { | ||||||||
3786 | Visit(E->getBase()); | ||||||||
3787 | } | ||||||||
3788 | } | ||||||||
3789 | void VisitOMPExecutableDirective(OMPExecutableDirective *S) { | ||||||||
3790 | for (OMPClause *C : S->clauses()) { | ||||||||
3791 | // Skip analysis of arguments of implicitly defined firstprivate clause | ||||||||
3792 | // for task|target directives. | ||||||||
3793 | // Skip analysis of arguments of implicitly defined map clause for target | ||||||||
3794 | // directives. | ||||||||
3795 | if (C && !((isa<OMPFirstprivateClause>(C) || isa<OMPMapClause>(C)) && | ||||||||
3796 | C->isImplicit() && | ||||||||
3797 | !isOpenMPTaskingDirective(Stack->getCurrentDirective()))) { | ||||||||
3798 | for (Stmt *CC : C->children()) { | ||||||||
3799 | if (CC) | ||||||||
3800 | Visit(CC); | ||||||||
3801 | } | ||||||||
3802 | } | ||||||||
3803 | } | ||||||||
3804 | // Check implicitly captured variables. | ||||||||
3805 | VisitSubCaptures(S); | ||||||||
3806 | } | ||||||||
3807 | |||||||||
3808 | void VisitOMPTileDirective(OMPTileDirective *S) { | ||||||||
3809 | // #pragma omp tile does not introduce data sharing. | ||||||||
3810 | VisitStmt(S); | ||||||||
3811 | } | ||||||||
3812 | |||||||||
3813 | void VisitOMPUnrollDirective(OMPUnrollDirective *S) { | ||||||||
3814 | // #pragma omp unroll does not introduce data sharing. | ||||||||
3815 | VisitStmt(S); | ||||||||
3816 | } | ||||||||
3817 | |||||||||
3818 | void VisitStmt(Stmt *S) { | ||||||||
3819 | for (Stmt *C : S->children()) { | ||||||||
3820 | if (C) { | ||||||||
3821 | // Check implicitly captured variables in the task-based directives to | ||||||||
3822 | // check if they must be firstprivatized. | ||||||||
3823 | Visit(C); | ||||||||
3824 | } | ||||||||
3825 | } | ||||||||
3826 | } | ||||||||
3827 | |||||||||
3828 | void visitSubCaptures(CapturedStmt *S) { | ||||||||
3829 | for (const CapturedStmt::Capture &Cap : S->captures()) { | ||||||||
3830 | if (!Cap.capturesVariable() && !Cap.capturesVariableByCopy()) | ||||||||
3831 | continue; | ||||||||
3832 | VarDecl *VD = Cap.getCapturedVar(); | ||||||||
3833 | // Do not try to map the variable if it or its sub-component was mapped | ||||||||
3834 | // already. | ||||||||
3835 | if (isOpenMPTargetExecutionDirective(Stack->getCurrentDirective()) && | ||||||||
3836 | Stack->checkMappableExprComponentListsForDecl( | ||||||||
3837 | VD, /*CurrentRegionOnly=*/true, | ||||||||
3838 | [](OMPClauseMappableExprCommon::MappableExprComponentListRef, | ||||||||
3839 | OpenMPClauseKind) { return true; })) | ||||||||
3840 | continue; | ||||||||
3841 | DeclRefExpr *DRE = buildDeclRefExpr( | ||||||||
3842 | SemaRef, VD, VD->getType().getNonLValueExprType(SemaRef.Context), | ||||||||
3843 | Cap.getLocation(), /*RefersToCapture=*/true); | ||||||||
3844 | Visit(DRE); | ||||||||
3845 | } | ||||||||
3846 | } | ||||||||
3847 | bool isErrorFound() const { return ErrorFound; } | ||||||||
3848 | ArrayRef<Expr *> getImplicitFirstprivate() const { | ||||||||
3849 | return ImplicitFirstprivate; | ||||||||
3850 | } | ||||||||
3851 | ArrayRef<Expr *> getImplicitMap(OpenMPDefaultmapClauseKind DK, | ||||||||
3852 | OpenMPMapClauseKind MK) const { | ||||||||
3853 | return ImplicitMap[DK][MK]; | ||||||||
3854 | } | ||||||||
3855 | ArrayRef<OpenMPMapModifierKind> | ||||||||
3856 | getImplicitMapModifier(OpenMPDefaultmapClauseKind Kind) const { | ||||||||
3857 | return ImplicitMapModifier[Kind]; | ||||||||
3858 | } | ||||||||
3859 | const Sema::VarsWithInheritedDSAType &getVarsWithInheritedDSA() const { | ||||||||
3860 | return VarsWithInheritedDSA; | ||||||||
3861 | } | ||||||||
3862 | |||||||||
3863 | DSAAttrChecker(DSAStackTy *S, Sema &SemaRef, CapturedStmt *CS) | ||||||||
3864 | : Stack(S), SemaRef(SemaRef), ErrorFound(false), CS(CS) { | ||||||||
3865 | // Process declare target link variables for the target directives. | ||||||||
3866 | if (isOpenMPTargetExecutionDirective(S->getCurrentDirective())) { | ||||||||
3867 | for (DeclRefExpr *E : Stack->getLinkGlobals()) | ||||||||
3868 | Visit(E); | ||||||||
3869 | } | ||||||||
3870 | } | ||||||||
3871 | }; | ||||||||
3872 | } // namespace | ||||||||
3873 | |||||||||
3874 | void Sema::ActOnOpenMPRegionStart(OpenMPDirectiveKind DKind, Scope *CurScope) { | ||||||||
3875 | switch (DKind) { | ||||||||
3876 | case OMPD_parallel: | ||||||||
3877 | case OMPD_parallel_for: | ||||||||
3878 | case OMPD_parallel_for_simd: | ||||||||
3879 | case OMPD_parallel_sections: | ||||||||
3880 | case OMPD_parallel_master: | ||||||||
3881 | case OMPD_teams: | ||||||||
3882 | case OMPD_teams_distribute: | ||||||||
3883 | case OMPD_teams_distribute_simd: { | ||||||||
3884 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); | ||||||||
3885 | QualType KmpInt32PtrTy = | ||||||||
3886 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | ||||||||
3887 | Sema::CapturedParamNameType Params[] = { | ||||||||
3888 | std::make_pair(".global_tid.", KmpInt32PtrTy), | ||||||||
3889 | std::make_pair(".bound_tid.", KmpInt32PtrTy), | ||||||||
3890 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||||||
3891 | }; | ||||||||
3892 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||||||
3893 | Params); | ||||||||
3894 | break; | ||||||||
3895 | } | ||||||||
3896 | case OMPD_target_teams: | ||||||||
3897 | case OMPD_target_parallel: | ||||||||
3898 | case OMPD_target_parallel_for: | ||||||||
3899 | case OMPD_target_parallel_for_simd: | ||||||||
3900 | case OMPD_target_teams_distribute: | ||||||||
3901 | case OMPD_target_teams_distribute_simd: { | ||||||||
3902 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); | ||||||||
3903 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); | ||||||||
3904 | QualType KmpInt32PtrTy = | ||||||||
3905 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | ||||||||
3906 | QualType Args[] = {VoidPtrTy}; | ||||||||
3907 | FunctionProtoType::ExtProtoInfo EPI; | ||||||||
3908 | EPI.Variadic = true; | ||||||||
3909 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); | ||||||||
3910 | Sema::CapturedParamNameType Params[] = { | ||||||||
3911 | std::make_pair(".global_tid.", KmpInt32Ty), | ||||||||
3912 | std::make_pair(".part_id.", KmpInt32PtrTy), | ||||||||
3913 | std::make_pair(".privates.", VoidPtrTy), | ||||||||
3914 | std::make_pair( | ||||||||
3915 | ".copy_fn.", | ||||||||
3916 | Context.getPointerType(CopyFnType).withConst().withRestrict()), | ||||||||
3917 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), | ||||||||
3918 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||||||
3919 | }; | ||||||||
3920 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||||||
3921 | Params, /*OpenMPCaptureLevel=*/0); | ||||||||
3922 | // Mark this captured region as inlined, because we don't use outlined | ||||||||
3923 | // function directly. | ||||||||
3924 | getCurCapturedRegion()->TheCapturedDecl->addAttr( | ||||||||
3925 | AlwaysInlineAttr::CreateImplicit( | ||||||||
3926 | Context, {}, AttributeCommonInfo::AS_Keyword, | ||||||||
3927 | AlwaysInlineAttr::Keyword_forceinline)); | ||||||||
3928 | Sema::CapturedParamNameType ParamsTarget[] = { | ||||||||
3929 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||||||
3930 | }; | ||||||||
3931 | // Start a captured region for 'target' with no implicit parameters. | ||||||||
3932 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||||||
3933 | ParamsTarget, /*OpenMPCaptureLevel=*/1); | ||||||||
3934 | Sema::CapturedParamNameType ParamsTeamsOrParallel[] = { | ||||||||
3935 | std::make_pair(".global_tid.", KmpInt32PtrTy), | ||||||||
3936 | std::make_pair(".bound_tid.", KmpInt32PtrTy), | ||||||||
3937 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||||||
3938 | }; | ||||||||
3939 | // Start a captured region for 'teams' or 'parallel'. Both regions have | ||||||||
3940 | // the same implicit parameters. | ||||||||
3941 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||||||
3942 | ParamsTeamsOrParallel, /*OpenMPCaptureLevel=*/2); | ||||||||
3943 | break; | ||||||||
3944 | } | ||||||||
3945 | case OMPD_target: | ||||||||
3946 | case OMPD_target_simd: { | ||||||||
3947 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); | ||||||||
3948 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); | ||||||||
3949 | QualType KmpInt32PtrTy = | ||||||||
3950 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | ||||||||
3951 | QualType Args[] = {VoidPtrTy}; | ||||||||
3952 | FunctionProtoType::ExtProtoInfo EPI; | ||||||||
3953 | EPI.Variadic = true; | ||||||||
3954 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); | ||||||||
3955 | Sema::CapturedParamNameType Params[] = { | ||||||||
3956 | std::make_pair(".global_tid.", KmpInt32Ty), | ||||||||
3957 | std::make_pair(".part_id.", KmpInt32PtrTy), | ||||||||
3958 | std::make_pair(".privates.", VoidPtrTy), | ||||||||
3959 | std::make_pair( | ||||||||
3960 | ".copy_fn.", | ||||||||
3961 | Context.getPointerType(CopyFnType).withConst().withRestrict()), | ||||||||
3962 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), | ||||||||
3963 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||||||
3964 | }; | ||||||||
3965 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||||||
3966 | Params, /*OpenMPCaptureLevel=*/0); | ||||||||
3967 | // Mark this captured region as inlined, because we don't use outlined | ||||||||
3968 | // function directly. | ||||||||
3969 | getCurCapturedRegion()->TheCapturedDecl->addAttr( | ||||||||
3970 | AlwaysInlineAttr::CreateImplicit( | ||||||||
3971 | Context, {}, AttributeCommonInfo::AS_Keyword, | ||||||||
3972 | AlwaysInlineAttr::Keyword_forceinline)); | ||||||||
3973 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||||||
3974 | std::make_pair(StringRef(), QualType()), | ||||||||
3975 | /*OpenMPCaptureLevel=*/1); | ||||||||
3976 | break; | ||||||||
3977 | } | ||||||||
3978 | case OMPD_atomic: | ||||||||
3979 | case OMPD_critical: | ||||||||
3980 | case OMPD_section: | ||||||||
3981 | case OMPD_master: | ||||||||
3982 | case OMPD_masked: | ||||||||
3983 | case OMPD_tile: | ||||||||
3984 | case OMPD_unroll: | ||||||||
3985 | break; | ||||||||
3986 | case OMPD_simd: | ||||||||
3987 | case OMPD_for: | ||||||||
3988 | case OMPD_for_simd: | ||||||||
3989 | case OMPD_sections: | ||||||||
3990 | case OMPD_single: | ||||||||
3991 | case OMPD_taskgroup: | ||||||||
3992 | case OMPD_distribute: | ||||||||
3993 | case OMPD_distribute_simd: | ||||||||
3994 | case OMPD_ordered: | ||||||||
3995 | case OMPD_target_data: | ||||||||
3996 | case OMPD_dispatch: { | ||||||||
3997 | Sema::CapturedParamNameType Params[] = { | ||||||||
3998 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||||||
3999 | }; | ||||||||
4000 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||||||
4001 | Params); | ||||||||
4002 | break; | ||||||||
4003 | } | ||||||||
4004 | case OMPD_task: { | ||||||||
4005 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); | ||||||||
4006 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); | ||||||||
4007 | QualType KmpInt32PtrTy = | ||||||||
4008 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | ||||||||
4009 | QualType Args[] = {VoidPtrTy}; | ||||||||
4010 | FunctionProtoType::ExtProtoInfo EPI; | ||||||||
4011 | EPI.Variadic = true; | ||||||||
4012 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); | ||||||||
4013 | Sema::CapturedParamNameType Params[] = { | ||||||||
4014 | std::make_pair(".global_tid.", KmpInt32Ty), | ||||||||
4015 | std::make_pair(".part_id.", KmpInt32PtrTy), | ||||||||
4016 | std::make_pair(".privates.", VoidPtrTy), | ||||||||
4017 | std::make_pair( | ||||||||
4018 | ".copy_fn.", | ||||||||
4019 | Context.getPointerType(CopyFnType).withConst().withRestrict()), | ||||||||
4020 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), | ||||||||
4021 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||||||
4022 | }; | ||||||||
4023 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||||||
4024 | Params); | ||||||||
4025 | // Mark this captured region as inlined, because we don't use outlined | ||||||||
4026 | // function directly. | ||||||||
4027 | getCurCapturedRegion()->TheCapturedDecl->addAttr( | ||||||||
4028 | AlwaysInlineAttr::CreateImplicit( | ||||||||
4029 | Context, {}, AttributeCommonInfo::AS_Keyword, | ||||||||
4030 | AlwaysInlineAttr::Keyword_forceinline)); | ||||||||
4031 | break; | ||||||||
4032 | } | ||||||||
4033 | case OMPD_taskloop: | ||||||||
4034 | case OMPD_taskloop_simd: | ||||||||
4035 | case OMPD_master_taskloop: | ||||||||
4036 | case OMPD_master_taskloop_simd: { | ||||||||
4037 | QualType KmpInt32Ty = | ||||||||
4038 | Context.getIntTypeForBitwidth(/*DestWidth=*/32, /*Signed=*/1) | ||||||||
4039 | .withConst(); | ||||||||
4040 | QualType KmpUInt64Ty = | ||||||||
4041 | Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/0) | ||||||||
4042 | .withConst(); | ||||||||
4043 | QualType KmpInt64Ty = | ||||||||
4044 | Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/1) | ||||||||
4045 | .withConst(); | ||||||||
4046 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); | ||||||||
4047 | QualType KmpInt32PtrTy = | ||||||||
4048 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | ||||||||
4049 | QualType Args[] = {VoidPtrTy}; | ||||||||
4050 | FunctionProtoType::ExtProtoInfo EPI; | ||||||||
4051 | EPI.Variadic = true; | ||||||||
4052 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); | ||||||||
4053 | Sema::CapturedParamNameType Params[] = { | ||||||||
4054 | std::make_pair(".global_tid.", KmpInt32Ty), | ||||||||
4055 | std::make_pair(".part_id.", KmpInt32PtrTy), | ||||||||
4056 | std::make_pair(".privates.", VoidPtrTy), | ||||||||
4057 | std::make_pair( | ||||||||
4058 | ".copy_fn.", | ||||||||
4059 | Context.getPointerType(CopyFnType).withConst().withRestrict()), | ||||||||
4060 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), | ||||||||
4061 | std::make_pair(".lb.", KmpUInt64Ty), | ||||||||
4062 | std::make_pair(".ub.", KmpUInt64Ty), | ||||||||
4063 | std::make_pair(".st.", KmpInt64Ty), | ||||||||
4064 | std::make_pair(".liter.", KmpInt32Ty), | ||||||||
4065 | std::make_pair(".reductions.", VoidPtrTy), | ||||||||
4066 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||||||
4067 | }; | ||||||||
4068 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||||||
4069 | Params); | ||||||||
4070 | // Mark this captured region as inlined, because we don't use outlined | ||||||||
4071 | // function directly. | ||||||||
4072 | getCurCapturedRegion()->TheCapturedDecl->addAttr( | ||||||||
4073 | AlwaysInlineAttr::CreateImplicit( | ||||||||
4074 | Context, {}, AttributeCommonInfo::AS_Keyword, | ||||||||
4075 | AlwaysInlineAttr::Keyword_forceinline)); | ||||||||
4076 | break; | ||||||||
4077 | } | ||||||||
4078 | case OMPD_parallel_master_taskloop: | ||||||||
4079 | case OMPD_parallel_master_taskloop_simd: { | ||||||||
4080 | QualType KmpInt32Ty = | ||||||||
4081 | Context.getIntTypeForBitwidth(/*DestWidth=*/32, /*Signed=*/1) | ||||||||
4082 | .withConst(); | ||||||||
4083 | QualType KmpUInt64Ty = | ||||||||
4084 | Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/0) | ||||||||
4085 | .withConst(); | ||||||||
4086 | QualType KmpInt64Ty = | ||||||||
4087 | Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/1) | ||||||||
4088 | .withConst(); | ||||||||
4089 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); | ||||||||
4090 | QualType KmpInt32PtrTy = | ||||||||
4091 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | ||||||||
4092 | Sema::CapturedParamNameType ParamsParallel[] = { | ||||||||
4093 | std::make_pair(".global_tid.", KmpInt32PtrTy), | ||||||||
4094 | std::make_pair(".bound_tid.", KmpInt32PtrTy), | ||||||||
4095 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||||||
4096 | }; | ||||||||
4097 | // Start a captured region for 'parallel'. | ||||||||
4098 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||||||
4099 | ParamsParallel, /*OpenMPCaptureLevel=*/0); | ||||||||
4100 | QualType Args[] = {VoidPtrTy}; | ||||||||
4101 | FunctionProtoType::ExtProtoInfo EPI; | ||||||||
4102 | EPI.Variadic = true; | ||||||||
4103 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); | ||||||||
4104 | Sema::CapturedParamNameType Params[] = { | ||||||||
4105 | std::make_pair(".global_tid.", KmpInt32Ty), | ||||||||
4106 | std::make_pair(".part_id.", KmpInt32PtrTy), | ||||||||
4107 | std::make_pair(".privates.", VoidPtrTy), | ||||||||
4108 | std::make_pair( | ||||||||
4109 | ".copy_fn.", | ||||||||
4110 | Context.getPointerType(CopyFnType).withConst().withRestrict()), | ||||||||
4111 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), | ||||||||
4112 | std::make_pair(".lb.", KmpUInt64Ty), | ||||||||
4113 | std::make_pair(".ub.", KmpUInt64Ty), | ||||||||
4114 | std::make_pair(".st.", KmpInt64Ty), | ||||||||
4115 | std::make_pair(".liter.", KmpInt32Ty), | ||||||||
4116 | std::make_pair(".reductions.", VoidPtrTy), | ||||||||
4117 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||||||
4118 | }; | ||||||||
4119 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||||||
4120 | Params, /*OpenMPCaptureLevel=*/1); | ||||||||
4121 | // Mark this captured region as inlined, because we don't use outlined | ||||||||
4122 | // function directly. | ||||||||
4123 | getCurCapturedRegion()->TheCapturedDecl->addAttr( | ||||||||
4124 | AlwaysInlineAttr::CreateImplicit( | ||||||||
4125 | Context, {}, AttributeCommonInfo::AS_Keyword, | ||||||||
4126 | AlwaysInlineAttr::Keyword_forceinline)); | ||||||||
4127 | break; | ||||||||
4128 | } | ||||||||
4129 | case OMPD_distribute_parallel_for_simd: | ||||||||
4130 | case OMPD_distribute_parallel_for: { | ||||||||
4131 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); | ||||||||
4132 | QualType KmpInt32PtrTy = | ||||||||
4133 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | ||||||||
4134 | Sema::CapturedParamNameType Params[] = { | ||||||||
4135 | std::make_pair(".global_tid.", KmpInt32PtrTy), | ||||||||
4136 | std::make_pair(".bound_tid.", KmpInt32PtrTy), | ||||||||
4137 | std::make_pair(".previous.lb.", Context.getSizeType().withConst()), | ||||||||
4138 | std::make_pair(".previous.ub.", Context.getSizeType().withConst()), | ||||||||
4139 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||||||
4140 | }; | ||||||||
4141 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||||||
4142 | Params); | ||||||||
4143 | break; | ||||||||
4144 | } | ||||||||
4145 | case OMPD_target_teams_distribute_parallel_for: | ||||||||
4146 | case OMPD_target_teams_distribute_parallel_for_simd: { | ||||||||
4147 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); | ||||||||
4148 | QualType KmpInt32PtrTy = | ||||||||
4149 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | ||||||||
4150 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); | ||||||||
4151 | |||||||||
4152 | QualType Args[] = {VoidPtrTy}; | ||||||||
4153 | FunctionProtoType::ExtProtoInfo EPI; | ||||||||
4154 | EPI.Variadic = true; | ||||||||
4155 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); | ||||||||
4156 | Sema::CapturedParamNameType Params[] = { | ||||||||
4157 | std::make_pair(".global_tid.", KmpInt32Ty), | ||||||||
4158 | std::make_pair(".part_id.", KmpInt32PtrTy), | ||||||||
4159 | std::make_pair(".privates.", VoidPtrTy), | ||||||||
4160 | std::make_pair( | ||||||||
4161 | ".copy_fn.", | ||||||||
4162 | Context.getPointerType(CopyFnType).withConst().withRestrict()), | ||||||||
4163 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), | ||||||||
4164 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||||||
4165 | }; | ||||||||
4166 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||||||
4167 | Params, /*OpenMPCaptureLevel=*/0); | ||||||||
4168 | // Mark this captured region as inlined, because we don't use outlined | ||||||||
4169 | // function directly. | ||||||||
4170 | getCurCapturedRegion()->TheCapturedDecl->addAttr( | ||||||||
4171 | AlwaysInlineAttr::CreateImplicit( | ||||||||
4172 | Context, {}, AttributeCommonInfo::AS_Keyword, | ||||||||
4173 | AlwaysInlineAttr::Keyword_forceinline)); | ||||||||
4174 | Sema::CapturedParamNameType ParamsTarget[] = { | ||||||||
4175 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||||||
4176 | }; | ||||||||
4177 | // Start a captured region for 'target' with no implicit parameters. | ||||||||
4178 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||||||
4179 | ParamsTarget, /*OpenMPCaptureLevel=*/1); | ||||||||
4180 | |||||||||
4181 | Sema::CapturedParamNameType ParamsTeams[] = { | ||||||||
4182 | std::make_pair(".global_tid.", KmpInt32PtrTy), | ||||||||
4183 | std::make_pair(".bound_tid.", KmpInt32PtrTy), | ||||||||
4184 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||||||
4185 | }; | ||||||||
4186 | // Start a captured region for 'target' with no implicit parameters. | ||||||||
4187 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||||||
4188 | ParamsTeams, /*OpenMPCaptureLevel=*/2); | ||||||||
4189 | |||||||||
4190 | Sema::CapturedParamNameType ParamsParallel[] = { | ||||||||
4191 | std::make_pair(".global_tid.", KmpInt32PtrTy), | ||||||||
4192 | std::make_pair(".bound_tid.", KmpInt32PtrTy), | ||||||||
4193 | std::make_pair(".previous.lb.", Context.getSizeType().withConst()), | ||||||||
4194 | std::make_pair(".previous.ub.", Context.getSizeType().withConst()), | ||||||||
4195 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||||||
4196 | }; | ||||||||
4197 | // Start a captured region for 'teams' or 'parallel'. Both regions have | ||||||||
4198 | // the same implicit parameters. | ||||||||
4199 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||||||
4200 | ParamsParallel, /*OpenMPCaptureLevel=*/3); | ||||||||
4201 | break; | ||||||||
4202 | } | ||||||||
4203 | |||||||||
4204 | case OMPD_teams_distribute_parallel_for: | ||||||||
4205 | case OMPD_teams_distribute_parallel_for_simd: { | ||||||||
4206 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); | ||||||||
4207 | QualType KmpInt32PtrTy = | ||||||||
4208 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | ||||||||
4209 | |||||||||
4210 | Sema::CapturedParamNameType ParamsTeams[] = { | ||||||||
4211 | std::make_pair(".global_tid.", KmpInt32PtrTy), | ||||||||
4212 | std::make_pair(".bound_tid.", KmpInt32PtrTy), | ||||||||
4213 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||||||
4214 | }; | ||||||||
4215 | // Start a captured region for 'target' with no implicit parameters. | ||||||||
4216 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||||||
4217 | ParamsTeams, /*OpenMPCaptureLevel=*/0); | ||||||||
4218 | |||||||||
4219 | Sema::CapturedParamNameType ParamsParallel[] = { | ||||||||
4220 | std::make_pair(".global_tid.", KmpInt32PtrTy), | ||||||||
4221 | std::make_pair(".bound_tid.", KmpInt32PtrTy), | ||||||||
4222 | std::make_pair(".previous.lb.", Context.getSizeType().withConst()), | ||||||||
4223 | std::make_pair(".previous.ub.", Context.getSizeType().withConst()), | ||||||||
4224 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||||||
4225 | }; | ||||||||
4226 | // Start a captured region for 'teams' or 'parallel'. Both regions have | ||||||||
4227 | // the same implicit parameters. | ||||||||
4228 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||||||
4229 | ParamsParallel, /*OpenMPCaptureLevel=*/1); | ||||||||
4230 | break; | ||||||||
4231 | } | ||||||||
4232 | case OMPD_target_update: | ||||||||
4233 | case OMPD_target_enter_data: | ||||||||
4234 | case OMPD_target_exit_data: { | ||||||||
4235 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1).withConst(); | ||||||||
4236 | QualType VoidPtrTy = Context.VoidPtrTy.withConst().withRestrict(); | ||||||||
4237 | QualType KmpInt32PtrTy = | ||||||||
4238 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | ||||||||
4239 | QualType Args[] = {VoidPtrTy}; | ||||||||
4240 | FunctionProtoType::ExtProtoInfo EPI; | ||||||||
4241 | EPI.Variadic = true; | ||||||||
4242 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); | ||||||||
4243 | Sema::CapturedParamNameType Params[] = { | ||||||||
4244 | std::make_pair(".global_tid.", KmpInt32Ty), | ||||||||
4245 | std::make_pair(".part_id.", KmpInt32PtrTy), | ||||||||
4246 | std::make_pair(".privates.", VoidPtrTy), | ||||||||
4247 | std::make_pair( | ||||||||
4248 | ".copy_fn.", | ||||||||
4249 | Context.getPointerType(CopyFnType).withConst().withRestrict()), | ||||||||
4250 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), | ||||||||
4251 | std::make_pair(StringRef(), QualType()) // __context with shared vars | ||||||||
4252 | }; | ||||||||
4253 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | ||||||||
4254 | Params); | ||||||||
4255 | // Mark this captured region as inlined, because we don't use outlined | ||||||||
4256 | // function directly. | ||||||||
4257 | getCurCapturedRegion()->TheCapturedDecl->addAttr( | ||||||||
4258 | AlwaysInlineAttr::CreateImplicit( | ||||||||
4259 | Context, {}, AttributeCommonInfo::AS_Keyword, | ||||||||
4260 | AlwaysInlineAttr::Keyword_forceinline)); | ||||||||
4261 | break; | ||||||||
4262 | } | ||||||||
4263 | case OMPD_threadprivate: | ||||||||
4264 | case OMPD_allocate: | ||||||||
4265 | case OMPD_taskyield: | ||||||||
4266 | case OMPD_barrier: | ||||||||
4267 | case OMPD_taskwait: | ||||||||
4268 | case OMPD_cancellation_point: | ||||||||
4269 | case OMPD_cancel: | ||||||||
4270 | case OMPD_flush: | ||||||||
4271 | case OMPD_depobj: | ||||||||
4272 | case OMPD_scan: | ||||||||
4273 | case OMPD_declare_reduction: | ||||||||
4274 | case OMPD_declare_mapper: | ||||||||
4275 | case OMPD_declare_simd: | ||||||||
4276 | case OMPD_declare_target: | ||||||||
4277 | case OMPD_end_declare_target: | ||||||||
4278 | case OMPD_requires: | ||||||||
4279 | case OMPD_declare_variant: | ||||||||
4280 | case OMPD_begin_declare_variant: | ||||||||
4281 | case OMPD_end_declare_variant: | ||||||||
4282 | llvm_unreachable("OpenMP Directive is not allowed")__builtin_unreachable(); | ||||||||
4283 | case OMPD_unknown: | ||||||||
4284 | default: | ||||||||
4285 | llvm_unreachable("Unknown OpenMP directive")__builtin_unreachable(); | ||||||||
4286 | } | ||||||||
4287 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setContext(CurContext); | ||||||||
4288 | } | ||||||||
4289 | |||||||||
4290 | int Sema::getNumberOfConstructScopes(unsigned Level) const { | ||||||||
4291 | return getOpenMPCaptureLevels(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDirective(Level)); | ||||||||
4292 | } | ||||||||
4293 | |||||||||
4294 | int Sema::getOpenMPCaptureLevels(OpenMPDirectiveKind DKind) { | ||||||||
4295 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; | ||||||||
4296 | getOpenMPCaptureRegions(CaptureRegions, DKind); | ||||||||
4297 | return CaptureRegions.size(); | ||||||||
4298 | } | ||||||||
4299 | |||||||||
4300 | static OMPCapturedExprDecl *buildCaptureDecl(Sema &S, IdentifierInfo *Id, | ||||||||
4301 | Expr *CaptureExpr, bool WithInit, | ||||||||
4302 | bool AsExpression) { | ||||||||
4303 | assert(CaptureExpr)((void)0); | ||||||||
4304 | ASTContext &C = S.getASTContext(); | ||||||||
4305 | Expr *Init = AsExpression ? CaptureExpr : CaptureExpr->IgnoreImpCasts(); | ||||||||
4306 | QualType Ty = Init->getType(); | ||||||||
4307 | if (CaptureExpr->getObjectKind() == OK_Ordinary && CaptureExpr->isGLValue()) { | ||||||||
4308 | if (S.getLangOpts().CPlusPlus) { | ||||||||
4309 | Ty = C.getLValueReferenceType(Ty); | ||||||||
4310 | } else { | ||||||||
4311 | Ty = C.getPointerType(Ty); | ||||||||
4312 | ExprResult Res = | ||||||||
4313 | S.CreateBuiltinUnaryOp(CaptureExpr->getExprLoc(), UO_AddrOf, Init); | ||||||||
4314 | if (!Res.isUsable()) | ||||||||
4315 | return nullptr; | ||||||||
4316 | Init = Res.get(); | ||||||||
4317 | } | ||||||||
4318 | WithInit = true; | ||||||||
4319 | } | ||||||||
4320 | auto *CED = OMPCapturedExprDecl::Create(C, S.CurContext, Id, Ty, | ||||||||
4321 | CaptureExpr->getBeginLoc()); | ||||||||
4322 | if (!WithInit) | ||||||||
4323 | CED->addAttr(OMPCaptureNoInitAttr::CreateImplicit(C)); | ||||||||
4324 | S.CurContext->addHiddenDecl(CED); | ||||||||
4325 | Sema::TentativeAnalysisScope Trap(S); | ||||||||
4326 | S.AddInitializerToDecl(CED, Init, /*DirectInit=*/false); | ||||||||
4327 | return CED; | ||||||||
4328 | } | ||||||||
4329 | |||||||||
4330 | static DeclRefExpr *buildCapture(Sema &S, ValueDecl *D, Expr *CaptureExpr, | ||||||||
4331 | bool WithInit) { | ||||||||
4332 | OMPCapturedExprDecl *CD; | ||||||||
4333 | if (VarDecl *VD = S.isOpenMPCapturedDecl(D)) | ||||||||
4334 | CD = cast<OMPCapturedExprDecl>(VD); | ||||||||
4335 | else | ||||||||
4336 | CD = buildCaptureDecl(S, D->getIdentifier(), CaptureExpr, WithInit, | ||||||||
4337 | /*AsExpression=*/false); | ||||||||
4338 | return buildDeclRefExpr(S, CD, CD->getType().getNonReferenceType(), | ||||||||
4339 | CaptureExpr->getExprLoc()); | ||||||||
4340 | } | ||||||||
4341 | |||||||||
4342 | static ExprResult buildCapture(Sema &S, Expr *CaptureExpr, DeclRefExpr *&Ref) { | ||||||||
4343 | CaptureExpr = S.DefaultLvalueConversion(CaptureExpr).get(); | ||||||||
4344 | if (!Ref) { | ||||||||
4345 | OMPCapturedExprDecl *CD = buildCaptureDecl( | ||||||||
4346 | S, &S.getASTContext().Idents.get(".capture_expr."), CaptureExpr, | ||||||||
4347 | /*WithInit=*/true, /*AsExpression=*/true); | ||||||||
4348 | Ref = buildDeclRefExpr(S, CD, CD->getType().getNonReferenceType(), | ||||||||
4349 | CaptureExpr->getExprLoc()); | ||||||||
4350 | } | ||||||||
4351 | ExprResult Res = Ref; | ||||||||
4352 | if (!S.getLangOpts().CPlusPlus && | ||||||||
4353 | CaptureExpr->getObjectKind() == OK_Ordinary && CaptureExpr->isGLValue() && | ||||||||
4354 | Ref->getType()->isPointerType()) { | ||||||||
4355 | Res = S.CreateBuiltinUnaryOp(CaptureExpr->getExprLoc(), UO_Deref, Ref); | ||||||||
4356 | if (!Res.isUsable()) | ||||||||
4357 | return ExprError(); | ||||||||
4358 | } | ||||||||
4359 | return S.DefaultLvalueConversion(Res.get()); | ||||||||
4360 | } | ||||||||
4361 | |||||||||
4362 | namespace { | ||||||||
4363 | // OpenMP directives parsed in this section are represented as a | ||||||||
4364 | // CapturedStatement with an associated statement. If a syntax error | ||||||||
4365 | // is detected during the parsing of the associated statement, the | ||||||||
4366 | // compiler must abort processing and close the CapturedStatement. | ||||||||
4367 | // | ||||||||
4368 | // Combined directives such as 'target parallel' have more than one | ||||||||
4369 | // nested CapturedStatements. This RAII ensures that we unwind out | ||||||||
4370 | // of all the nested CapturedStatements when an error is found. | ||||||||
4371 | class CaptureRegionUnwinderRAII { | ||||||||
4372 | private: | ||||||||
4373 | Sema &S; | ||||||||
4374 | bool &ErrorFound; | ||||||||
4375 | OpenMPDirectiveKind DKind = OMPD_unknown; | ||||||||
4376 | |||||||||
4377 | public: | ||||||||
4378 | CaptureRegionUnwinderRAII(Sema &S, bool &ErrorFound, | ||||||||
4379 | OpenMPDirectiveKind DKind) | ||||||||
4380 | : S(S), ErrorFound(ErrorFound), DKind(DKind) {} | ||||||||
4381 | ~CaptureRegionUnwinderRAII() { | ||||||||
4382 | if (ErrorFound) { | ||||||||
4383 | int ThisCaptureLevel = S.getOpenMPCaptureLevels(DKind); | ||||||||
4384 | while (--ThisCaptureLevel >= 0) | ||||||||
4385 | S.ActOnCapturedRegionError(); | ||||||||
4386 | } | ||||||||
4387 | } | ||||||||
4388 | }; | ||||||||
4389 | } // namespace | ||||||||
4390 | |||||||||
4391 | void Sema::tryCaptureOpenMPLambdas(ValueDecl *V) { | ||||||||
4392 | // Capture variables captured by reference in lambdas for target-based | ||||||||
4393 | // directives. | ||||||||
4394 | if (!CurContext->isDependentContext() && | ||||||||
4395 | (isOpenMPTargetExecutionDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) || | ||||||||
4396 | isOpenMPTargetDataManagementDirective( | ||||||||
4397 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()))) { | ||||||||
4398 | QualType Type = V->getType(); | ||||||||
4399 | if (const auto *RD = Type.getCanonicalType() | ||||||||
4400 | .getNonReferenceType() | ||||||||
4401 | ->getAsCXXRecordDecl()) { | ||||||||
4402 | bool SavedForceCaptureByReferenceInTargetExecutable = | ||||||||
4403 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isForceCaptureByReferenceInTargetExecutable(); | ||||||||
4404 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setForceCaptureByReferenceInTargetExecutable( | ||||||||
4405 | /*V=*/true); | ||||||||
4406 | if (RD->isLambda()) { | ||||||||
4407 | llvm::DenseMap<const VarDecl *, FieldDecl *> Captures; | ||||||||
4408 | FieldDecl *ThisCapture; | ||||||||
4409 | RD->getCaptureFields(Captures, ThisCapture); | ||||||||
4410 | for (const LambdaCapture &LC : RD->captures()) { | ||||||||
4411 | if (LC.getCaptureKind() == LCK_ByRef) { | ||||||||
4412 | VarDecl *VD = LC.getCapturedVar(); | ||||||||
4413 | DeclContext *VDC = VD->getDeclContext(); | ||||||||
4414 | if (!VDC->Encloses(CurContext)) | ||||||||
4415 | continue; | ||||||||
4416 | MarkVariableReferenced(LC.getLocation(), VD); | ||||||||
4417 | } else if (LC.getCaptureKind() == LCK_This) { | ||||||||
4418 | QualType ThisTy = getCurrentThisType(); | ||||||||
4419 | if (!ThisTy.isNull() && | ||||||||
4420 | Context.typesAreCompatible(ThisTy, ThisCapture->getType())) | ||||||||
4421 | CheckCXXThisCapture(LC.getLocation()); | ||||||||
4422 | } | ||||||||
4423 | } | ||||||||
4424 | } | ||||||||
4425 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setForceCaptureByReferenceInTargetExecutable( | ||||||||
4426 | SavedForceCaptureByReferenceInTargetExecutable); | ||||||||
4427 | } | ||||||||
4428 | } | ||||||||
4429 | } | ||||||||
4430 | |||||||||
4431 | static bool checkOrderedOrderSpecified(Sema &S, | ||||||||
4432 | const ArrayRef<OMPClause *> Clauses) { | ||||||||
4433 | const OMPOrderedClause *Ordered = nullptr; | ||||||||
4434 | const OMPOrderClause *Order = nullptr; | ||||||||
4435 | |||||||||
4436 | for (const OMPClause *Clause : Clauses) { | ||||||||
4437 | if (Clause->getClauseKind() == OMPC_ordered) | ||||||||
4438 | Ordered = cast<OMPOrderedClause>(Clause); | ||||||||
4439 | else if (Clause->getClauseKind() == OMPC_order) { | ||||||||
4440 | Order = cast<OMPOrderClause>(Clause); | ||||||||
4441 | if (Order->getKind() != OMPC_ORDER_concurrent) | ||||||||
4442 | Order = nullptr; | ||||||||
4443 | } | ||||||||
4444 | if (Ordered && Order) | ||||||||
4445 | break; | ||||||||
4446 | } | ||||||||
4447 | |||||||||
4448 | if (Ordered && Order) { | ||||||||
4449 | S.Diag(Order->getKindKwLoc(), | ||||||||
4450 | diag::err_omp_simple_clause_incompatible_with_ordered) | ||||||||
4451 | << getOpenMPClauseName(OMPC_order) | ||||||||
4452 | << getOpenMPSimpleClauseTypeName(OMPC_order, OMPC_ORDER_concurrent) | ||||||||
4453 | << SourceRange(Order->getBeginLoc(), Order->getEndLoc()); | ||||||||
4454 | S.Diag(Ordered->getBeginLoc(), diag::note_omp_ordered_param) | ||||||||
4455 | << 0 << SourceRange(Ordered->getBeginLoc(), Ordered->getEndLoc()); | ||||||||
4456 | return true; | ||||||||
4457 | } | ||||||||
4458 | return false; | ||||||||
4459 | } | ||||||||
4460 | |||||||||
4461 | StmtResult Sema::ActOnOpenMPRegionEnd(StmtResult S, | ||||||||
4462 | ArrayRef<OMPClause *> Clauses) { | ||||||||
4463 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_atomic || | ||||||||
4464 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_critical || | ||||||||
4465 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_section || | ||||||||
4466 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_master || | ||||||||
4467 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_masked) | ||||||||
4468 | return S; | ||||||||
4469 | |||||||||
4470 | bool ErrorFound = false; | ||||||||
4471 | CaptureRegionUnwinderRAII CaptureRegionUnwinder( | ||||||||
4472 | *this, ErrorFound, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); | ||||||||
4473 | if (!S.isUsable()) { | ||||||||
4474 | ErrorFound = true; | ||||||||
4475 | return StmtError(); | ||||||||
4476 | } | ||||||||
4477 | |||||||||
4478 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; | ||||||||
4479 | getOpenMPCaptureRegions(CaptureRegions, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); | ||||||||
4480 | OMPOrderedClause *OC = nullptr; | ||||||||
4481 | OMPScheduleClause *SC = nullptr; | ||||||||
4482 | SmallVector<const OMPLinearClause *, 4> LCs; | ||||||||
4483 | SmallVector<const OMPClauseWithPreInit *, 4> PICs; | ||||||||
4484 | // This is required for proper codegen. | ||||||||
4485 | for (OMPClause *Clause : Clauses) { | ||||||||
4486 | if (!LangOpts.OpenMPSimd && | ||||||||
4487 | isOpenMPTaskingDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) && | ||||||||
4488 | Clause->getClauseKind() == OMPC_in_reduction) { | ||||||||
4489 | // Capture taskgroup task_reduction descriptors inside the tasking regions | ||||||||
4490 | // with the corresponding in_reduction items. | ||||||||
4491 | auto *IRC = cast<OMPInReductionClause>(Clause); | ||||||||
4492 | for (Expr *E : IRC->taskgroup_descriptors()) | ||||||||
4493 | if (E) | ||||||||
4494 | MarkDeclarationsReferencedInExpr(E); | ||||||||
4495 | } | ||||||||
4496 | if (isOpenMPPrivate(Clause->getClauseKind()) || | ||||||||
4497 | Clause->getClauseKind() == OMPC_copyprivate || | ||||||||
4498 | (getLangOpts().OpenMPUseTLS && | ||||||||
4499 | getASTContext().getTargetInfo().isTLSSupported() && | ||||||||
4500 | Clause->getClauseKind() == OMPC_copyin)) { | ||||||||
4501 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setForceVarCapturing(Clause->getClauseKind() == OMPC_copyin); | ||||||||
4502 | // Mark all variables in private list clauses as used in inner region. | ||||||||
4503 | for (Stmt *VarRef : Clause->children()) { | ||||||||
4504 | if (auto *E = cast_or_null<Expr>(VarRef)) { | ||||||||
4505 | MarkDeclarationsReferencedInExpr(E); | ||||||||
4506 | } | ||||||||
4507 | } | ||||||||
4508 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setForceVarCapturing(/*V=*/false); | ||||||||
4509 | } else if (isOpenMPLoopTransformationDirective( | ||||||||
4510 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) { | ||||||||
4511 | assert(CaptureRegions.empty() &&((void)0) | ||||||||
4512 | "No captured regions in loop transformation directives.")((void)0); | ||||||||
4513 | } else if (CaptureRegions.size() > 1 || | ||||||||
4514 | CaptureRegions.back() != OMPD_unknown) { | ||||||||
4515 | if (auto *C = OMPClauseWithPreInit::get(Clause)) | ||||||||
4516 | PICs.push_back(C); | ||||||||
4517 | if (auto *C = OMPClauseWithPostUpdate::get(Clause)) { | ||||||||
4518 | if (Expr *E = C->getPostUpdateExpr()) | ||||||||
4519 | MarkDeclarationsReferencedInExpr(E); | ||||||||
4520 | } | ||||||||
4521 | } | ||||||||
4522 | if (Clause->getClauseKind() == OMPC_schedule) | ||||||||
4523 | SC = cast<OMPScheduleClause>(Clause); | ||||||||
4524 | else if (Clause->getClauseKind() == OMPC_ordered) | ||||||||
4525 | OC = cast<OMPOrderedClause>(Clause); | ||||||||
4526 | else if (Clause->getClauseKind() == OMPC_linear) | ||||||||
4527 | LCs.push_back(cast<OMPLinearClause>(Clause)); | ||||||||
4528 | } | ||||||||
4529 | // Capture allocator expressions if used. | ||||||||
4530 | for (Expr *E : DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getInnerAllocators()) | ||||||||
4531 | MarkDeclarationsReferencedInExpr(E); | ||||||||
4532 | // OpenMP, 2.7.1 Loop Construct, Restrictions | ||||||||
4533 | // The nonmonotonic modifier cannot be specified if an ordered clause is | ||||||||
4534 | // specified. | ||||||||
4535 | if (SC && | ||||||||
4536 | (SC->getFirstScheduleModifier() == OMPC_SCHEDULE_MODIFIER_nonmonotonic || | ||||||||
4537 | SC->getSecondScheduleModifier() == | ||||||||
4538 | OMPC_SCHEDULE_MODIFIER_nonmonotonic) && | ||||||||
4539 | OC) { | ||||||||
4540 | Diag(SC->getFirstScheduleModifier() == OMPC_SCHEDULE_MODIFIER_nonmonotonic | ||||||||
4541 | ? SC->getFirstScheduleModifierLoc() | ||||||||
4542 | : SC->getSecondScheduleModifierLoc(), | ||||||||
4543 | diag::err_omp_simple_clause_incompatible_with_ordered) | ||||||||
4544 | << getOpenMPClauseName(OMPC_schedule) | ||||||||
4545 | << getOpenMPSimpleClauseTypeName(OMPC_schedule, | ||||||||
4546 | OMPC_SCHEDULE_MODIFIER_nonmonotonic) | ||||||||
4547 | << SourceRange(OC->getBeginLoc(), OC->getEndLoc()); | ||||||||
4548 | ErrorFound = true; | ||||||||
4549 | } | ||||||||
4550 | // OpenMP 5.0, 2.9.2 Worksharing-Loop Construct, Restrictions. | ||||||||
4551 | // If an order(concurrent) clause is present, an ordered clause may not appear | ||||||||
4552 | // on the same directive. | ||||||||
4553 | if (checkOrderedOrderSpecified(*this, Clauses)) | ||||||||
4554 | ErrorFound = true; | ||||||||
4555 | if (!LCs.empty() && OC && OC->getNumForLoops()) { | ||||||||
4556 | for (const OMPLinearClause *C : LCs) { | ||||||||
4557 | Diag(C->getBeginLoc(), diag::err_omp_linear_ordered) | ||||||||
4558 | << SourceRange(OC->getBeginLoc(), OC->getEndLoc()); | ||||||||
4559 | } | ||||||||
4560 | ErrorFound = true; | ||||||||
4561 | } | ||||||||
4562 | if (isOpenMPWorksharingDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) && | ||||||||
4563 | isOpenMPSimdDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) && OC && | ||||||||
4564 | OC->getNumForLoops()) { | ||||||||
4565 | Diag(OC->getBeginLoc(), diag::err_omp_ordered_simd) | ||||||||
4566 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); | ||||||||
4567 | ErrorFound = true; | ||||||||
4568 | } | ||||||||
4569 | if (ErrorFound) { | ||||||||
4570 | return StmtError(); | ||||||||
4571 | } | ||||||||
4572 | StmtResult SR = S; | ||||||||
4573 | unsigned CompletedRegions = 0; | ||||||||
4574 | for (OpenMPDirectiveKind ThisCaptureRegion : llvm::reverse(CaptureRegions)) { | ||||||||
4575 | // Mark all variables in private list clauses as used in inner region. | ||||||||
4576 | // Required for proper codegen of combined directives. | ||||||||
4577 | // TODO: add processing for other clauses. | ||||||||
4578 | if (ThisCaptureRegion != OMPD_unknown) { | ||||||||
4579 | for (const clang::OMPClauseWithPreInit *C : PICs) { | ||||||||
4580 | OpenMPDirectiveKind CaptureRegion = C->getCaptureRegion(); | ||||||||
4581 | // Find the particular capture region for the clause if the | ||||||||
4582 | // directive is a combined one with multiple capture regions. | ||||||||
4583 | // If the directive is not a combined one, the capture region | ||||||||
4584 | // associated with the clause is OMPD_unknown and is generated | ||||||||
4585 | // only once. | ||||||||
4586 | if (CaptureRegion == ThisCaptureRegion || | ||||||||
4587 | CaptureRegion == OMPD_unknown) { | ||||||||
4588 | if (auto *DS = cast_or_null<DeclStmt>(C->getPreInitStmt())) { | ||||||||
4589 | for (Decl *D : DS->decls()) | ||||||||
4590 | MarkVariableReferenced(D->getLocation(), cast<VarDecl>(D)); | ||||||||
4591 | } | ||||||||
4592 | } | ||||||||
4593 | } | ||||||||
4594 | } | ||||||||
4595 | if (ThisCaptureRegion == OMPD_target) { | ||||||||
4596 | // Capture allocator traits in the target region. They are used implicitly | ||||||||
4597 | // and, thus, are not captured by default. | ||||||||
4598 | for (OMPClause *C : Clauses) { | ||||||||
4599 | if (const auto *UAC = dyn_cast<OMPUsesAllocatorsClause>(C)) { | ||||||||
4600 | for (unsigned I = 0, End = UAC->getNumberOfAllocators(); I < End; | ||||||||
4601 | ++I) { | ||||||||
4602 | OMPUsesAllocatorsClause::Data D = UAC->getAllocatorData(I); | ||||||||
4603 | if (Expr *E = D.AllocatorTraits) | ||||||||
4604 | MarkDeclarationsReferencedInExpr(E); | ||||||||
4605 | } | ||||||||
4606 | continue; | ||||||||
4607 | } | ||||||||
4608 | } | ||||||||
4609 | } | ||||||||
4610 | if (ThisCaptureRegion == OMPD_parallel) { | ||||||||
4611 | // Capture temp arrays for inscan reductions and locals in aligned | ||||||||
4612 | // clauses. | ||||||||
4613 | for (OMPClause *C : Clauses) { | ||||||||
4614 | if (auto *RC = dyn_cast<OMPReductionClause>(C)) { | ||||||||
4615 | if (RC->getModifier() != OMPC_REDUCTION_inscan) | ||||||||
4616 | continue; | ||||||||
4617 | for (Expr *E : RC->copy_array_temps()) | ||||||||
4618 | MarkDeclarationsReferencedInExpr(E); | ||||||||
4619 | } | ||||||||
4620 | if (auto *AC = dyn_cast<OMPAlignedClause>(C)) { | ||||||||
4621 | for (Expr *E : AC->varlists()) | ||||||||
4622 | MarkDeclarationsReferencedInExpr(E); | ||||||||
4623 | } | ||||||||
4624 | } | ||||||||
4625 | } | ||||||||
4626 | if (++CompletedRegions == CaptureRegions.size()) | ||||||||
4627 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setBodyComplete(); | ||||||||
4628 | SR = ActOnCapturedRegionEnd(SR.get()); | ||||||||
4629 | } | ||||||||
4630 | return SR; | ||||||||
4631 | } | ||||||||
4632 | |||||||||
4633 | static bool checkCancelRegion(Sema &SemaRef, OpenMPDirectiveKind CurrentRegion, | ||||||||
4634 | OpenMPDirectiveKind CancelRegion, | ||||||||
4635 | SourceLocation StartLoc) { | ||||||||
4636 | // CancelRegion is only needed for cancel and cancellation_point. | ||||||||
4637 | if (CurrentRegion != OMPD_cancel && CurrentRegion != OMPD_cancellation_point) | ||||||||
4638 | return false; | ||||||||
4639 | |||||||||
4640 | if (CancelRegion == OMPD_parallel || CancelRegion == OMPD_for || | ||||||||
4641 | CancelRegion == OMPD_sections || CancelRegion == OMPD_taskgroup) | ||||||||
4642 | return false; | ||||||||
4643 | |||||||||
4644 | SemaRef.Diag(StartLoc, diag::err_omp_wrong_cancel_region) | ||||||||
4645 | << getOpenMPDirectiveName(CancelRegion); | ||||||||
4646 | return true; | ||||||||
4647 | } | ||||||||
4648 | |||||||||
4649 | static bool checkNestingOfRegions(Sema &SemaRef, const DSAStackTy *Stack, | ||||||||
4650 | OpenMPDirectiveKind CurrentRegion, | ||||||||
4651 | const DeclarationNameInfo &CurrentName, | ||||||||
4652 | OpenMPDirectiveKind CancelRegion, | ||||||||
4653 | SourceLocation StartLoc) { | ||||||||
4654 | if (Stack->getCurScope()) { | ||||||||
4655 | OpenMPDirectiveKind ParentRegion = Stack->getParentDirective(); | ||||||||
4656 | OpenMPDirectiveKind OffendingRegion = ParentRegion; | ||||||||
4657 | bool NestingProhibited = false; | ||||||||
4658 | bool CloseNesting = true; | ||||||||
4659 | bool OrphanSeen = false; | ||||||||
4660 | enum { | ||||||||
4661 | NoRecommend, | ||||||||
4662 | ShouldBeInParallelRegion, | ||||||||
4663 | ShouldBeInOrderedRegion, | ||||||||
4664 | ShouldBeInTargetRegion, | ||||||||
4665 | ShouldBeInTeamsRegion, | ||||||||
4666 | ShouldBeInLoopSimdRegion, | ||||||||
4667 | } Recommend = NoRecommend; | ||||||||
4668 | if (isOpenMPSimdDirective(ParentRegion) && | ||||||||
4669 | ((SemaRef.LangOpts.OpenMP <= 45 && CurrentRegion != OMPD_ordered) || | ||||||||
4670 | (SemaRef.LangOpts.OpenMP >= 50 && CurrentRegion != OMPD_ordered && | ||||||||
4671 | CurrentRegion != OMPD_simd && CurrentRegion != OMPD_atomic && | ||||||||
4672 | CurrentRegion != OMPD_scan))) { | ||||||||
4673 | // OpenMP [2.16, Nesting of Regions] | ||||||||
4674 | // OpenMP constructs may not be nested inside a simd region. | ||||||||
4675 | // OpenMP [2.8.1,simd Construct, Restrictions] | ||||||||
4676 | // An ordered construct with the simd clause is the only OpenMP | ||||||||
4677 | // construct that can appear in the simd region. | ||||||||
4678 | // Allowing a SIMD construct nested in another SIMD construct is an | ||||||||
4679 | // extension. The OpenMP 4.5 spec does not allow it. Issue a warning | ||||||||
4680 | // message. | ||||||||
4681 | // OpenMP 5.0 [2.9.3.1, simd Construct, Restrictions] | ||||||||
4682 | // The only OpenMP constructs that can be encountered during execution of | ||||||||
4683 | // a simd region are the atomic construct, the loop construct, the simd | ||||||||
4684 | // construct and the ordered construct with the simd clause. | ||||||||
4685 | SemaRef.Diag(StartLoc, (CurrentRegion != OMPD_simd) | ||||||||
4686 | ? diag::err_omp_prohibited_region_simd | ||||||||
4687 | : diag::warn_omp_nesting_simd) | ||||||||
4688 | << (SemaRef.LangOpts.OpenMP >= 50 ? 1 : 0); | ||||||||
4689 | return CurrentRegion != OMPD_simd; | ||||||||
4690 | } | ||||||||
4691 | if (ParentRegion == OMPD_atomic) { | ||||||||
4692 | // OpenMP [2.16, Nesting of Regions] | ||||||||
4693 | // OpenMP constructs may not be nested inside an atomic region. | ||||||||
4694 | SemaRef.Diag(StartLoc, diag::err_omp_prohibited_region_atomic); | ||||||||
4695 | return true; | ||||||||
4696 | } | ||||||||
4697 | if (CurrentRegion == OMPD_section) { | ||||||||
4698 | // OpenMP [2.7.2, sections Construct, Restrictions] | ||||||||
4699 | // Orphaned section directives are prohibited. That is, the section | ||||||||
4700 | // directives must appear within the sections construct and must not be | ||||||||
4701 | // encountered elsewhere in the sections region. | ||||||||
4702 | if (ParentRegion != OMPD_sections && | ||||||||
4703 | ParentRegion != OMPD_parallel_sections) { | ||||||||
4704 | SemaRef.Diag(StartLoc, diag::err_omp_orphaned_section_directive) | ||||||||
4705 | << (ParentRegion != OMPD_unknown) | ||||||||
4706 | << getOpenMPDirectiveName(ParentRegion); | ||||||||
4707 | return true; | ||||||||
4708 | } | ||||||||
4709 | return false; | ||||||||
4710 | } | ||||||||
4711 | // Allow some constructs (except teams and cancellation constructs) to be | ||||||||
4712 | // orphaned (they could be used in functions, called from OpenMP regions | ||||||||
4713 | // with the required preconditions). | ||||||||
4714 | if (ParentRegion == OMPD_unknown && | ||||||||
4715 | !isOpenMPNestingTeamsDirective(CurrentRegion) && | ||||||||
4716 | CurrentRegion != OMPD_cancellation_point && | ||||||||
4717 | CurrentRegion != OMPD_cancel && CurrentRegion != OMPD_scan) | ||||||||
4718 | return false; | ||||||||
4719 | if (CurrentRegion == OMPD_cancellation_point || | ||||||||
4720 | CurrentRegion == OMPD_cancel) { | ||||||||
4721 | // OpenMP [2.16, Nesting of Regions] | ||||||||
4722 | // A cancellation point construct for which construct-type-clause is | ||||||||
4723 | // taskgroup must be nested inside a task construct. A cancellation | ||||||||
4724 | // point construct for which construct-type-clause is not taskgroup must | ||||||||
4725 | // be closely nested inside an OpenMP construct that matches the type | ||||||||
4726 | // specified in construct-type-clause. | ||||||||
4727 | // A cancel construct for which construct-type-clause is taskgroup must be | ||||||||
4728 | // nested inside a task construct. A cancel construct for which | ||||||||
4729 | // construct-type-clause is not taskgroup must be closely nested inside an | ||||||||
4730 | // OpenMP construct that matches the type specified in | ||||||||
4731 | // construct-type-clause. | ||||||||
4732 | NestingProhibited = | ||||||||
4733 | !((CancelRegion == OMPD_parallel && | ||||||||
4734 | (ParentRegion == OMPD_parallel || | ||||||||
4735 | ParentRegion == OMPD_target_parallel)) || | ||||||||
4736 | (CancelRegion == OMPD_for && | ||||||||
4737 | (ParentRegion == OMPD_for || ParentRegion == OMPD_parallel_for || | ||||||||
4738 | ParentRegion == OMPD_target_parallel_for || | ||||||||
4739 | ParentRegion == OMPD_distribute_parallel_for || | ||||||||
4740 | ParentRegion == OMPD_teams_distribute_parallel_for || | ||||||||
4741 | ParentRegion == OMPD_target_teams_distribute_parallel_for)) || | ||||||||
4742 | (CancelRegion == OMPD_taskgroup && | ||||||||
4743 | (ParentRegion == OMPD_task || | ||||||||
4744 | (SemaRef.getLangOpts().OpenMP >= 50 && | ||||||||
4745 | (ParentRegion == OMPD_taskloop || | ||||||||
4746 | ParentRegion == OMPD_master_taskloop || | ||||||||
4747 | ParentRegion == OMPD_parallel_master_taskloop)))) || | ||||||||
4748 | (CancelRegion == OMPD_sections && | ||||||||
4749 | (ParentRegion == OMPD_section || ParentRegion == OMPD_sections || | ||||||||
4750 | ParentRegion == OMPD_parallel_sections))); | ||||||||
4751 | OrphanSeen = ParentRegion == OMPD_unknown; | ||||||||
4752 | } else if (CurrentRegion == OMPD_master || CurrentRegion == OMPD_masked) { | ||||||||
4753 | // OpenMP 5.1 [2.22, Nesting of Regions] | ||||||||
4754 | // A masked region may not be closely nested inside a worksharing, loop, | ||||||||
4755 | // atomic, task, or taskloop region. | ||||||||
4756 | NestingProhibited = isOpenMPWorksharingDirective(ParentRegion) || | ||||||||
4757 | isOpenMPTaskingDirective(ParentRegion); | ||||||||
4758 | } else if (CurrentRegion == OMPD_critical && CurrentName.getName()) { | ||||||||
4759 | // OpenMP [2.16, Nesting of Regions] | ||||||||
4760 | // A critical region may not be nested (closely or otherwise) inside a | ||||||||
4761 | // critical region with the same name. Note that this restriction is not | ||||||||
4762 | // sufficient to prevent deadlock. | ||||||||
4763 | SourceLocation PreviousCriticalLoc; | ||||||||
4764 | bool DeadLock = Stack->hasDirective( | ||||||||
4765 | [CurrentName, &PreviousCriticalLoc](OpenMPDirectiveKind K, | ||||||||
4766 | const DeclarationNameInfo &DNI, | ||||||||
4767 | SourceLocation Loc) { | ||||||||
4768 | if (K == OMPD_critical && DNI.getName() == CurrentName.getName()) { | ||||||||
4769 | PreviousCriticalLoc = Loc; | ||||||||
4770 | return true; | ||||||||
4771 | } | ||||||||
4772 | return false; | ||||||||
4773 | }, | ||||||||
4774 | false /* skip top directive */); | ||||||||
4775 | if (DeadLock) { | ||||||||
4776 | SemaRef.Diag(StartLoc, | ||||||||
4777 | diag::err_omp_prohibited_region_critical_same_name) | ||||||||
4778 | << CurrentName.getName(); | ||||||||
4779 | if (PreviousCriticalLoc.isValid()) | ||||||||
4780 | SemaRef.Diag(PreviousCriticalLoc, | ||||||||
4781 | diag::note_omp_previous_critical_region); | ||||||||
4782 | return true; | ||||||||
4783 | } | ||||||||
4784 | } else if (CurrentRegion == OMPD_barrier) { | ||||||||
4785 | // OpenMP 5.1 [2.22, Nesting of Regions] | ||||||||
4786 | // A barrier region may not be closely nested inside a worksharing, loop, | ||||||||
4787 | // task, taskloop, critical, ordered, atomic, or masked region. | ||||||||
4788 | NestingProhibited = | ||||||||
4789 | isOpenMPWorksharingDirective(ParentRegion) || | ||||||||
4790 | isOpenMPTaskingDirective(ParentRegion) || | ||||||||
4791 | ParentRegion == OMPD_master || ParentRegion == OMPD_masked || | ||||||||
4792 | ParentRegion == OMPD_parallel_master || | ||||||||
4793 | ParentRegion == OMPD_critical || ParentRegion == OMPD_ordered; | ||||||||
4794 | } else if (isOpenMPWorksharingDirective(CurrentRegion) && | ||||||||
4795 | !isOpenMPParallelDirective(CurrentRegion) && | ||||||||
4796 | !isOpenMPTeamsDirective(CurrentRegion)) { | ||||||||
4797 | // OpenMP 5.1 [2.22, Nesting of Regions] | ||||||||
4798 | // A loop region that binds to a parallel region or a worksharing region | ||||||||
4799 | // may not be closely nested inside a worksharing, loop, task, taskloop, | ||||||||
4800 | // critical, ordered, atomic, or masked region. | ||||||||
4801 | NestingProhibited = | ||||||||
4802 | isOpenMPWorksharingDirective(ParentRegion) || | ||||||||
4803 | isOpenMPTaskingDirective(ParentRegion) || | ||||||||
4804 | ParentRegion == OMPD_master || ParentRegion == OMPD_masked || | ||||||||
4805 | ParentRegion == OMPD_parallel_master || | ||||||||
4806 | ParentRegion == OMPD_critical || ParentRegion == OMPD_ordered; | ||||||||
4807 | Recommend = ShouldBeInParallelRegion; | ||||||||
4808 | } else if (CurrentRegion == OMPD_ordered) { | ||||||||
4809 | // OpenMP [2.16, Nesting of Regions] | ||||||||
4810 | // An ordered region may not be closely nested inside a critical, | ||||||||
4811 | // atomic, or explicit task region. | ||||||||
4812 | // An ordered region must be closely nested inside a loop region (or | ||||||||
4813 | // parallel loop region) with an ordered clause. | ||||||||
4814 | // OpenMP [2.8.1,simd Construct, Restrictions] | ||||||||
4815 | // An ordered construct with the simd clause is the only OpenMP construct | ||||||||
4816 | // that can appear in the simd region. | ||||||||
4817 | NestingProhibited = ParentRegion == OMPD_critical || | ||||||||
4818 | isOpenMPTaskingDirective(ParentRegion) || | ||||||||
4819 | !(isOpenMPSimdDirective(ParentRegion) || | ||||||||
4820 | Stack->isParentOrderedRegion()); | ||||||||
4821 | Recommend = ShouldBeInOrderedRegion; | ||||||||
4822 | } else if (isOpenMPNestingTeamsDirective(CurrentRegion)) { | ||||||||
4823 | // OpenMP [2.16, Nesting of Regions] | ||||||||
4824 | // If specified, a teams construct must be contained within a target | ||||||||
4825 | // construct. | ||||||||
4826 | NestingProhibited = | ||||||||
4827 | (SemaRef.LangOpts.OpenMP <= 45 && ParentRegion != OMPD_target) || | ||||||||
4828 | (SemaRef.LangOpts.OpenMP >= 50 && ParentRegion != OMPD_unknown && | ||||||||
4829 | ParentRegion != OMPD_target); | ||||||||
4830 | OrphanSeen = ParentRegion == OMPD_unknown; | ||||||||
4831 | Recommend = ShouldBeInTargetRegion; | ||||||||
4832 | } else if (CurrentRegion == OMPD_scan) { | ||||||||
4833 | // OpenMP [2.16, Nesting of Regions] | ||||||||
4834 | // If specified, a teams construct must be contained within a target | ||||||||
4835 | // construct. | ||||||||
4836 | NestingProhibited = | ||||||||
4837 | SemaRef.LangOpts.OpenMP < 50 || | ||||||||
4838 | (ParentRegion != OMPD_simd && ParentRegion != OMPD_for && | ||||||||
4839 | ParentRegion != OMPD_for_simd && ParentRegion != OMPD_parallel_for && | ||||||||
4840 | ParentRegion != OMPD_parallel_for_simd); | ||||||||
4841 | OrphanSeen = ParentRegion == OMPD_unknown; | ||||||||
4842 | Recommend = ShouldBeInLoopSimdRegion; | ||||||||
4843 | } | ||||||||
4844 | if (!NestingProhibited && | ||||||||
4845 | !isOpenMPTargetExecutionDirective(CurrentRegion) && | ||||||||
4846 | !isOpenMPTargetDataManagementDirective(CurrentRegion) && | ||||||||
4847 | (ParentRegion == OMPD_teams || ParentRegion == OMPD_target_teams)) { | ||||||||
4848 | // OpenMP [2.16, Nesting of Regions] | ||||||||
4849 | // distribute, parallel, parallel sections, parallel workshare, and the | ||||||||
4850 | // parallel loop and parallel loop SIMD constructs are the only OpenMP | ||||||||
4851 | // constructs that can be closely nested in the teams region. | ||||||||
4852 | NestingProhibited = !isOpenMPParallelDirective(CurrentRegion) && | ||||||||
4853 | !isOpenMPDistributeDirective(CurrentRegion); | ||||||||
4854 | Recommend = ShouldBeInParallelRegion; | ||||||||
4855 | } | ||||||||
4856 | if (!NestingProhibited && | ||||||||
4857 | isOpenMPNestingDistributeDirective(CurrentRegion)) { | ||||||||
4858 | // OpenMP 4.5 [2.17 Nesting of Regions] | ||||||||
4859 | // The region associated with the distribute construct must be strictly | ||||||||
4860 | // nested inside a teams region | ||||||||
4861 | NestingProhibited = | ||||||||
4862 | (ParentRegion != OMPD_teams && ParentRegion != OMPD_target_teams); | ||||||||
4863 | Recommend = ShouldBeInTeamsRegion; | ||||||||
4864 | } | ||||||||
4865 | if (!NestingProhibited && | ||||||||
4866 | (isOpenMPTargetExecutionDirective(CurrentRegion) || | ||||||||
4867 | isOpenMPTargetDataManagementDirective(CurrentRegion))) { | ||||||||
4868 | // OpenMP 4.5 [2.17 Nesting of Regions] | ||||||||
4869 | // If a target, target update, target data, target enter data, or | ||||||||
4870 | // target exit data construct is encountered during execution of a | ||||||||
4871 | // target region, the behavior is unspecified. | ||||||||
4872 | NestingProhibited = Stack->hasDirective( | ||||||||
4873 | [&OffendingRegion](OpenMPDirectiveKind K, const DeclarationNameInfo &, | ||||||||
4874 | SourceLocation) { | ||||||||
4875 | if (isOpenMPTargetExecutionDirective(K)) { | ||||||||
4876 | OffendingRegion = K; | ||||||||
4877 | return true; | ||||||||
4878 | } | ||||||||
4879 | return false; | ||||||||
4880 | }, | ||||||||
4881 | false /* don't skip top directive */); | ||||||||
4882 | CloseNesting = false; | ||||||||
4883 | } | ||||||||
4884 | if (NestingProhibited) { | ||||||||
4885 | if (OrphanSeen) { | ||||||||
4886 | SemaRef.Diag(StartLoc, diag::err_omp_orphaned_device_directive) | ||||||||
4887 | << getOpenMPDirectiveName(CurrentRegion) << Recommend; | ||||||||
4888 | } else { | ||||||||
4889 | SemaRef.Diag(StartLoc, diag::err_omp_prohibited_region) | ||||||||
4890 | << CloseNesting << getOpenMPDirectiveName(OffendingRegion) | ||||||||
4891 | << Recommend << getOpenMPDirectiveName(CurrentRegion); | ||||||||
4892 | } | ||||||||
4893 | return true; | ||||||||
4894 | } | ||||||||
4895 | } | ||||||||
4896 | return false; | ||||||||
4897 | } | ||||||||
4898 | |||||||||
4899 | struct Kind2Unsigned { | ||||||||
4900 | using argument_type = OpenMPDirectiveKind; | ||||||||
4901 | unsigned operator()(argument_type DK) { return unsigned(DK); } | ||||||||
4902 | }; | ||||||||
4903 | static bool checkIfClauses(Sema &S, OpenMPDirectiveKind Kind, | ||||||||
4904 | ArrayRef<OMPClause *> Clauses, | ||||||||
4905 | ArrayRef<OpenMPDirectiveKind> AllowedNameModifiers) { | ||||||||
4906 | bool ErrorFound = false; | ||||||||
4907 | unsigned NamedModifiersNumber = 0; | ||||||||
4908 | llvm::IndexedMap<const OMPIfClause *, Kind2Unsigned> FoundNameModifiers; | ||||||||
4909 | FoundNameModifiers.resize(llvm::omp::Directive_enumSize + 1); | ||||||||
4910 | SmallVector<SourceLocation, 4> NameModifierLoc; | ||||||||
4911 | for (const OMPClause *C : Clauses) { | ||||||||
4912 | if (const auto *IC = dyn_cast_or_null<OMPIfClause>(C)) { | ||||||||
4913 | // At most one if clause without a directive-name-modifier can appear on | ||||||||
4914 | // the directive. | ||||||||
4915 | OpenMPDirectiveKind CurNM = IC->getNameModifier(); | ||||||||
4916 | if (FoundNameModifiers[CurNM]) { | ||||||||
4917 | S.Diag(C->getBeginLoc(), diag::err_omp_more_one_clause) | ||||||||
4918 | << getOpenMPDirectiveName(Kind) << getOpenMPClauseName(OMPC_if) | ||||||||
4919 | << (CurNM != OMPD_unknown) << getOpenMPDirectiveName(CurNM); | ||||||||
4920 | ErrorFound = true; | ||||||||
4921 | } else if (CurNM != OMPD_unknown) { | ||||||||
4922 | NameModifierLoc.push_back(IC->getNameModifierLoc()); | ||||||||
4923 | ++NamedModifiersNumber; | ||||||||
4924 | } | ||||||||
4925 | FoundNameModifiers[CurNM] = IC; | ||||||||
4926 | if (CurNM == OMPD_unknown) | ||||||||
4927 | continue; | ||||||||
4928 | // Check if the specified name modifier is allowed for the current | ||||||||
4929 | // directive. | ||||||||
4930 | // At most one if clause with the particular directive-name-modifier can | ||||||||
4931 | // appear on the directive. | ||||||||
4932 | bool MatchFound = false; | ||||||||
4933 | for (auto NM : AllowedNameModifiers) { | ||||||||
4934 | if (CurNM == NM) { | ||||||||
4935 | MatchFound = true; | ||||||||
4936 | break; | ||||||||
4937 | } | ||||||||
4938 | } | ||||||||
4939 | if (!MatchFound) { | ||||||||
4940 | S.Diag(IC->getNameModifierLoc(), | ||||||||
4941 | diag::err_omp_wrong_if_directive_name_modifier) | ||||||||
4942 | << getOpenMPDirectiveName(CurNM) << getOpenMPDirectiveName(Kind); | ||||||||
4943 | ErrorFound = true; | ||||||||
4944 | } | ||||||||
4945 | } | ||||||||
4946 | } | ||||||||
4947 | // If any if clause on the directive includes a directive-name-modifier then | ||||||||
4948 | // all if clauses on the directive must include a directive-name-modifier. | ||||||||
4949 | if (FoundNameModifiers[OMPD_unknown] && NamedModifiersNumber > 0) { | ||||||||
4950 | if (NamedModifiersNumber == AllowedNameModifiers.size()) { | ||||||||
4951 | S.Diag(FoundNameModifiers[OMPD_unknown]->getBeginLoc(), | ||||||||
4952 | diag::err_omp_no_more_if_clause); | ||||||||
4953 | } else { | ||||||||
4954 | std::string Values; | ||||||||
4955 | std::string Sep(", "); | ||||||||
4956 | unsigned AllowedCnt = 0; | ||||||||
4957 | unsigned TotalAllowedNum = | ||||||||
4958 | AllowedNameModifiers.size() - NamedModifiersNumber; | ||||||||
4959 | for (unsigned Cnt = 0, End = AllowedNameModifiers.size(); Cnt < End; | ||||||||
4960 | ++Cnt) { | ||||||||
4961 | OpenMPDirectiveKind NM = AllowedNameModifiers[Cnt]; | ||||||||
4962 | if (!FoundNameModifiers[NM]) { | ||||||||
4963 | Values += "'"; | ||||||||
4964 | Values += getOpenMPDirectiveName(NM); | ||||||||
4965 | Values += "'"; | ||||||||
4966 | if (AllowedCnt + 2 == TotalAllowedNum) | ||||||||
4967 | Values += " or "; | ||||||||
4968 | else if (AllowedCnt + 1 != TotalAllowedNum) | ||||||||
4969 | Values += Sep; | ||||||||
4970 | ++AllowedCnt; | ||||||||
4971 | } | ||||||||
4972 | } | ||||||||
4973 | S.Diag(FoundNameModifiers[OMPD_unknown]->getCondition()->getBeginLoc(), | ||||||||
4974 | diag::err_omp_unnamed_if_clause) | ||||||||
4975 | << (TotalAllowedNum > 1) << Values; | ||||||||
4976 | } | ||||||||
4977 | for (SourceLocation Loc : NameModifierLoc) { | ||||||||
4978 | S.Diag(Loc, diag::note_omp_previous_named_if_clause); | ||||||||
4979 | } | ||||||||
4980 | ErrorFound = true; | ||||||||
4981 | } | ||||||||
4982 | return ErrorFound; | ||||||||
4983 | } | ||||||||
4984 | |||||||||
4985 | static std::pair<ValueDecl *, bool> getPrivateItem(Sema &S, Expr *&RefExpr, | ||||||||
4986 | SourceLocation &ELoc, | ||||||||
4987 | SourceRange &ERange, | ||||||||
4988 | bool AllowArraySection) { | ||||||||
4989 | if (RefExpr->isTypeDependent() || RefExpr->isValueDependent() || | ||||||||
4990 | RefExpr->containsUnexpandedParameterPack()) | ||||||||
4991 | return std::make_pair(nullptr, true); | ||||||||
4992 | |||||||||
4993 | // OpenMP [3.1, C/C++] | ||||||||
4994 | // A list item is a variable name. | ||||||||
4995 | // OpenMP [2.9.3.3, Restrictions, p.1] | ||||||||
4996 | // A variable that is part of another variable (as an array or | ||||||||
4997 | // structure element) cannot appear in a private clause. | ||||||||
4998 | RefExpr = RefExpr->IgnoreParens(); | ||||||||
4999 | enum { | ||||||||
5000 | NoArrayExpr = -1, | ||||||||
5001 | ArraySubscript = 0, | ||||||||
5002 | OMPArraySection = 1 | ||||||||
5003 | } IsArrayExpr = NoArrayExpr; | ||||||||
5004 | if (AllowArraySection) { | ||||||||
5005 | if (auto *ASE = dyn_cast_or_null<ArraySubscriptExpr>(RefExpr)) { | ||||||||
5006 | Expr *Base = ASE->getBase()->IgnoreParenImpCasts(); | ||||||||
5007 | while (auto *TempASE = dyn_cast<ArraySubscriptExpr>(Base)) | ||||||||
5008 | Base = TempASE->getBase()->IgnoreParenImpCasts(); | ||||||||
5009 | RefExpr = Base; | ||||||||
5010 | IsArrayExpr = ArraySubscript; | ||||||||
5011 | } else if (auto *OASE = dyn_cast_or_null<OMPArraySectionExpr>(RefExpr)) { | ||||||||
5012 | Expr *Base = OASE->getBase()->IgnoreParenImpCasts(); | ||||||||
5013 | while (auto *TempOASE = dyn_cast<OMPArraySectionExpr>(Base)) | ||||||||
5014 | Base = TempOASE->getBase()->IgnoreParenImpCasts(); | ||||||||
5015 | while (auto *TempASE = dyn_cast<ArraySubscriptExpr>(Base)) | ||||||||
5016 | Base = TempASE->getBase()->IgnoreParenImpCasts(); | ||||||||
5017 | RefExpr = Base; | ||||||||
5018 | IsArrayExpr = OMPArraySection; | ||||||||
5019 | } | ||||||||
5020 | } | ||||||||
5021 | ELoc = RefExpr->getExprLoc(); | ||||||||
5022 | ERange = RefExpr->getSourceRange(); | ||||||||
5023 | RefExpr = RefExpr->IgnoreParenImpCasts(); | ||||||||
5024 | auto *DE = dyn_cast_or_null<DeclRefExpr>(RefExpr); | ||||||||
5025 | auto *ME = dyn_cast_or_null<MemberExpr>(RefExpr); | ||||||||
5026 | if ((!DE || !isa<VarDecl>(DE->getDecl())) && | ||||||||
5027 | (S.getCurrentThisType().isNull() || !ME || | ||||||||
5028 | !isa<CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts()) || | ||||||||
5029 | !isa<FieldDecl>(ME->getMemberDecl()))) { | ||||||||
5030 | if (IsArrayExpr != NoArrayExpr) { | ||||||||
5031 | S.Diag(ELoc, diag::err_omp_expected_base_var_name) << IsArrayExpr | ||||||||
5032 | << ERange; | ||||||||
5033 | } else { | ||||||||
5034 | S.Diag(ELoc, | ||||||||
5035 | AllowArraySection | ||||||||
5036 | ? diag::err_omp_expected_var_name_member_expr_or_array_item | ||||||||
5037 | : diag::err_omp_expected_var_name_member_expr) | ||||||||
5038 | << (S.getCurrentThisType().isNull() ? 0 : 1) << ERange; | ||||||||
5039 | } | ||||||||
5040 | return std::make_pair(nullptr, false); | ||||||||
5041 | } | ||||||||
5042 | return std::make_pair( | ||||||||
5043 | getCanonicalDecl(DE ? DE->getDecl() : ME->getMemberDecl()), false); | ||||||||
5044 | } | ||||||||
5045 | |||||||||
5046 | namespace { | ||||||||
5047 | /// Checks if the allocator is used in uses_allocators clause to be allowed in | ||||||||
5048 | /// target regions. | ||||||||
5049 | class AllocatorChecker final : public ConstStmtVisitor<AllocatorChecker, bool> { | ||||||||
5050 | DSAStackTy *S = nullptr; | ||||||||
5051 | |||||||||
5052 | public: | ||||||||
5053 | bool VisitDeclRefExpr(const DeclRefExpr *E) { | ||||||||
5054 | return S->isUsesAllocatorsDecl(E->getDecl()) | ||||||||
5055 | .getValueOr( | ||||||||
5056 | DSAStackTy::UsesAllocatorsDeclKind::AllocatorTrait) == | ||||||||
5057 | DSAStackTy::UsesAllocatorsDeclKind::AllocatorTrait; | ||||||||
5058 | } | ||||||||
5059 | bool VisitStmt(const Stmt *S) { | ||||||||
5060 | for (const Stmt *Child : S->children()) { | ||||||||
5061 | if (Child && Visit(Child)) | ||||||||
5062 | return true; | ||||||||
5063 | } | ||||||||
5064 | return false; | ||||||||
5065 | } | ||||||||
5066 | explicit AllocatorChecker(DSAStackTy *S) : S(S) {} | ||||||||
5067 | }; | ||||||||
5068 | } // namespace | ||||||||
5069 | |||||||||
5070 | static void checkAllocateClauses(Sema &S, DSAStackTy *Stack, | ||||||||
5071 | ArrayRef<OMPClause *> Clauses) { | ||||||||
5072 | assert(!S.CurContext->isDependentContext() &&((void)0) | ||||||||
5073 | "Expected non-dependent context.")((void)0); | ||||||||
5074 | auto AllocateRange = | ||||||||
5075 | llvm::make_filter_range(Clauses, OMPAllocateClause::classof); | ||||||||
5076 | llvm::DenseMap<CanonicalDeclPtr<Decl>, CanonicalDeclPtr<VarDecl>> | ||||||||
5077 | DeclToCopy; | ||||||||
5078 | auto PrivateRange = llvm::make_filter_range(Clauses, [](const OMPClause *C) { | ||||||||
5079 | return isOpenMPPrivate(C->getClauseKind()); | ||||||||
5080 | }); | ||||||||
5081 | for (OMPClause *Cl : PrivateRange) { | ||||||||
5082 | MutableArrayRef<Expr *>::iterator I, It, Et; | ||||||||
5083 | if (Cl->getClauseKind() == OMPC_private) { | ||||||||
5084 | auto *PC = cast<OMPPrivateClause>(Cl); | ||||||||
5085 | I = PC->private_copies().begin(); | ||||||||
5086 | It = PC->varlist_begin(); | ||||||||
5087 | Et = PC->varlist_end(); | ||||||||
5088 | } else if (Cl->getClauseKind() == OMPC_firstprivate) { | ||||||||
5089 | auto *PC = cast<OMPFirstprivateClause>(Cl); | ||||||||
5090 | I = PC->private_copies().begin(); | ||||||||
5091 | It = PC->varlist_begin(); | ||||||||
5092 | Et = PC->varlist_end(); | ||||||||
5093 | } else if (Cl->getClauseKind() == OMPC_lastprivate) { | ||||||||
5094 | auto *PC = cast<OMPLastprivateClause>(Cl); | ||||||||
5095 | I = PC->private_copies().begin(); | ||||||||
5096 | It = PC->varlist_begin(); | ||||||||
5097 | Et = PC->varlist_end(); | ||||||||
5098 | } else if (Cl->getClauseKind() == OMPC_linear) { | ||||||||
5099 | auto *PC = cast<OMPLinearClause>(Cl); | ||||||||
5100 | I = PC->privates().begin(); | ||||||||
5101 | It = PC->varlist_begin(); | ||||||||
5102 | Et = PC->varlist_end(); | ||||||||
5103 | } else if (Cl->getClauseKind() == OMPC_reduction) { | ||||||||
5104 | auto *PC = cast<OMPReductionClause>(Cl); | ||||||||
5105 | I = PC->privates().begin(); | ||||||||
5106 | It = PC->varlist_begin(); | ||||||||
5107 | Et = PC->varlist_end(); | ||||||||
5108 | } else if (Cl->getClauseKind() == OMPC_task_reduction) { | ||||||||
5109 | auto *PC = cast<OMPTaskReductionClause>(Cl); | ||||||||
5110 | I = PC->privates().begin(); | ||||||||
5111 | It = PC->varlist_begin(); | ||||||||
5112 | Et = PC->varlist_end(); | ||||||||
5113 | } else if (Cl->getClauseKind() == OMPC_in_reduction) { | ||||||||
5114 | auto *PC = cast<OMPInReductionClause>(Cl); | ||||||||
5115 | I = PC->privates().begin(); | ||||||||
5116 | It = PC->varlist_begin(); | ||||||||
5117 | Et = PC->varlist_end(); | ||||||||
5118 | } else { | ||||||||
5119 | llvm_unreachable("Expected private clause.")__builtin_unreachable(); | ||||||||
5120 | } | ||||||||
5121 | for (Expr *E : llvm::make_range(It, Et)) { | ||||||||
5122 | if (!*I) { | ||||||||
5123 | ++I; | ||||||||
5124 | continue; | ||||||||
5125 | } | ||||||||
5126 | SourceLocation ELoc; | ||||||||
5127 | SourceRange ERange; | ||||||||
5128 | Expr *SimpleRefExpr = E; | ||||||||
5129 | auto Res = getPrivateItem(S, SimpleRefExpr, ELoc, ERange, | ||||||||
5130 | /*AllowArraySection=*/true); | ||||||||
5131 | DeclToCopy.try_emplace(Res.first, | ||||||||
5132 | cast<VarDecl>(cast<DeclRefExpr>(*I)->getDecl())); | ||||||||
5133 | ++I; | ||||||||
5134 | } | ||||||||
5135 | } | ||||||||
5136 | for (OMPClause *C : AllocateRange) { | ||||||||
5137 | auto *AC = cast<OMPAllocateClause>(C); | ||||||||
5138 | if (S.getLangOpts().OpenMP >= 50 && | ||||||||
5139 | !Stack->hasRequiresDeclWithClause<OMPDynamicAllocatorsClause>() && | ||||||||
5140 | isOpenMPTargetExecutionDirective(Stack->getCurrentDirective()) && | ||||||||
5141 | AC->getAllocator()) { | ||||||||
5142 | Expr *Allocator = AC->getAllocator(); | ||||||||
5143 | // OpenMP, 2.12.5 target Construct | ||||||||
5144 | // Memory allocators that do not appear in a uses_allocators clause cannot | ||||||||
5145 | // appear as an allocator in an allocate clause or be used in the target | ||||||||
5146 | // region unless a requires directive with the dynamic_allocators clause | ||||||||
5147 | // is present in the same compilation unit. | ||||||||
5148 | AllocatorChecker Checker(Stack); | ||||||||
5149 | if (Checker.Visit(Allocator)) | ||||||||
5150 | S.Diag(Allocator->getExprLoc(), | ||||||||
5151 | diag::err_omp_allocator_not_in_uses_allocators) | ||||||||
5152 | << Allocator->getSourceRange(); | ||||||||
5153 | } | ||||||||
5154 | OMPAllocateDeclAttr::AllocatorTypeTy AllocatorKind = | ||||||||
5155 | getAllocatorKind(S, Stack, AC->getAllocator()); | ||||||||
5156 | // OpenMP, 2.11.4 allocate Clause, Restrictions. | ||||||||
5157 | // For task, taskloop or target directives, allocation requests to memory | ||||||||
5158 | // allocators with the trait access set to thread result in unspecified | ||||||||
5159 | // behavior. | ||||||||
5160 | if (AllocatorKind == OMPAllocateDeclAttr::OMPThreadMemAlloc && | ||||||||
5161 | (isOpenMPTaskingDirective(Stack->getCurrentDirective()) || | ||||||||
5162 | isOpenMPTargetExecutionDirective(Stack->getCurrentDirective()))) { | ||||||||
5163 | S.Diag(AC->getAllocator()->getExprLoc(), | ||||||||
5164 | diag::warn_omp_allocate_thread_on_task_target_directive) | ||||||||
5165 | << getOpenMPDirectiveName(Stack->getCurrentDirective()); | ||||||||
5166 | } | ||||||||
5167 | for (Expr *E : AC->varlists()) { | ||||||||
5168 | SourceLocation ELoc; | ||||||||
5169 | SourceRange ERange; | ||||||||
5170 | Expr *SimpleRefExpr = E; | ||||||||
5171 | auto Res = getPrivateItem(S, SimpleRefExpr, ELoc, ERange); | ||||||||
5172 | ValueDecl *VD = Res.first; | ||||||||
5173 | DSAStackTy::DSAVarData Data = Stack->getTopDSA(VD, /*FromParent=*/false); | ||||||||
5174 | if (!isOpenMPPrivate(Data.CKind)) { | ||||||||
5175 | S.Diag(E->getExprLoc(), | ||||||||
5176 | diag::err_omp_expected_private_copy_for_allocate); | ||||||||
5177 | continue; | ||||||||
5178 | } | ||||||||
5179 | VarDecl *PrivateVD = DeclToCopy[VD]; | ||||||||
5180 | if (checkPreviousOMPAllocateAttribute(S, Stack, E, PrivateVD, | ||||||||
5181 | AllocatorKind, AC->getAllocator())) | ||||||||
5182 | continue; | ||||||||
5183 | applyOMPAllocateAttribute(S, PrivateVD, AllocatorKind, AC->getAllocator(), | ||||||||
5184 | E->getSourceRange()); | ||||||||
5185 | } | ||||||||
5186 | } | ||||||||
5187 | } | ||||||||
5188 | |||||||||
5189 | namespace { | ||||||||
5190 | /// Rewrite statements and expressions for Sema \p Actions CurContext. | ||||||||
5191 | /// | ||||||||
5192 | /// Used to wrap already parsed statements/expressions into a new CapturedStmt | ||||||||
5193 | /// context. DeclRefExpr used inside the new context are changed to refer to the | ||||||||
5194 | /// captured variable instead. | ||||||||
5195 | class CaptureVars : public TreeTransform<CaptureVars> { | ||||||||
5196 | using BaseTransform = TreeTransform<CaptureVars>; | ||||||||
5197 | |||||||||
5198 | public: | ||||||||
5199 | CaptureVars(Sema &Actions) : BaseTransform(Actions) {} | ||||||||
5200 | |||||||||
5201 | bool AlwaysRebuild() { return true; } | ||||||||
5202 | }; | ||||||||
5203 | } // namespace | ||||||||
5204 | |||||||||
5205 | static VarDecl *precomputeExpr(Sema &Actions, | ||||||||
5206 | SmallVectorImpl<Stmt *> &BodyStmts, Expr *E, | ||||||||
5207 | StringRef Name) { | ||||||||
5208 | Expr *NewE = AssertSuccess(CaptureVars(Actions).TransformExpr(E)); | ||||||||
5209 | VarDecl *NewVar = buildVarDecl(Actions, {}, NewE->getType(), Name, nullptr, | ||||||||
5210 | dyn_cast<DeclRefExpr>(E->IgnoreImplicit())); | ||||||||
5211 | auto *NewDeclStmt = cast<DeclStmt>(AssertSuccess( | ||||||||
5212 | Actions.ActOnDeclStmt(Actions.ConvertDeclToDeclGroup(NewVar), {}, {}))); | ||||||||
5213 | Actions.AddInitializerToDecl(NewDeclStmt->getSingleDecl(), NewE, false); | ||||||||
5214 | BodyStmts.push_back(NewDeclStmt); | ||||||||
5215 | return NewVar; | ||||||||
5216 | } | ||||||||
5217 | |||||||||
5218 | /// Create a closure that computes the number of iterations of a loop. | ||||||||
5219 | /// | ||||||||
5220 | /// \param Actions The Sema object. | ||||||||
5221 | /// \param LogicalTy Type for the logical iteration number. | ||||||||
5222 | /// \param Rel Comparison operator of the loop condition. | ||||||||
5223 | /// \param StartExpr Value of the loop counter at the first iteration. | ||||||||
5224 | /// \param StopExpr Expression the loop counter is compared against in the loop | ||||||||
5225 | /// condition. \param StepExpr Amount of increment after each iteration. | ||||||||
5226 | /// | ||||||||
5227 | /// \return Closure (CapturedStmt) of the distance calculation. | ||||||||
5228 | static CapturedStmt *buildDistanceFunc(Sema &Actions, QualType LogicalTy, | ||||||||
5229 | BinaryOperator::Opcode Rel, | ||||||||
5230 | Expr *StartExpr, Expr *StopExpr, | ||||||||
5231 | Expr *StepExpr) { | ||||||||
5232 | ASTContext &Ctx = Actions.getASTContext(); | ||||||||
5233 | TypeSourceInfo *LogicalTSI = Ctx.getTrivialTypeSourceInfo(LogicalTy); | ||||||||
5234 | |||||||||
5235 | // Captured regions currently don't support return values, we use an | ||||||||
5236 | // out-parameter instead. All inputs are implicit captures. | ||||||||
5237 | // TODO: Instead of capturing each DeclRefExpr occurring in | ||||||||
5238 | // StartExpr/StopExpr/Step, these could also be passed as a value capture. | ||||||||
5239 | QualType ResultTy = Ctx.getLValueReferenceType(LogicalTy); | ||||||||
5240 | Sema::CapturedParamNameType Params[] = {{"Distance", ResultTy}, | ||||||||
5241 | {StringRef(), QualType()}}; | ||||||||
5242 | Actions.ActOnCapturedRegionStart({}, nullptr, CR_Default, Params); | ||||||||
5243 | |||||||||
5244 | Stmt *Body; | ||||||||
5245 | { | ||||||||
5246 | Sema::CompoundScopeRAII CompoundScope(Actions); | ||||||||
5247 | CapturedDecl *CS = cast<CapturedDecl>(Actions.CurContext); | ||||||||
5248 | |||||||||
5249 | // Get the LValue expression for the result. | ||||||||
5250 | ImplicitParamDecl *DistParam = CS->getParam(0); | ||||||||
5251 | DeclRefExpr *DistRef = Actions.BuildDeclRefExpr( | ||||||||
5252 | DistParam, LogicalTy, VK_LValue, {}, nullptr, nullptr, {}, nullptr); | ||||||||
5253 | |||||||||
5254 | SmallVector<Stmt *, 4> BodyStmts; | ||||||||
5255 | |||||||||
5256 | // Capture all referenced variable references. | ||||||||
5257 | // TODO: Instead of computing NewStart/NewStop/NewStep inside the | ||||||||
5258 | // CapturedStmt, we could compute them before and capture the result, to be | ||||||||
5259 | // used jointly with the LoopVar function. | ||||||||
5260 | VarDecl *NewStart = precomputeExpr(Actions, BodyStmts, StartExpr, ".start"); | ||||||||
5261 | VarDecl *NewStop = precomputeExpr(Actions, BodyStmts, StopExpr, ".stop"); | ||||||||
5262 | VarDecl *NewStep = precomputeExpr(Actions, BodyStmts, StepExpr, ".step"); | ||||||||
5263 | auto BuildVarRef = [&](VarDecl *VD) { | ||||||||
5264 | return buildDeclRefExpr(Actions, VD, VD->getType(), {}); | ||||||||
5265 | }; | ||||||||
5266 | |||||||||
5267 | IntegerLiteral *Zero = IntegerLiteral::Create( | ||||||||
5268 | Ctx, llvm::APInt(Ctx.getIntWidth(LogicalTy), 0), LogicalTy, {}); | ||||||||
5269 | Expr *Dist; | ||||||||
5270 | if (Rel == BO_NE) { | ||||||||
5271 | // When using a != comparison, the increment can be +1 or -1. This can be | ||||||||
5272 | // dynamic at runtime, so we need to check for the direction. | ||||||||
5273 | Expr *IsNegStep = AssertSuccess( | ||||||||
5274 | Actions.BuildBinOp(nullptr, {}, BO_LT, BuildVarRef(NewStep), Zero)); | ||||||||
5275 | |||||||||
5276 | // Positive increment. | ||||||||
5277 | Expr *ForwardRange = AssertSuccess(Actions.BuildBinOp( | ||||||||
5278 | nullptr, {}, BO_Sub, BuildVarRef(NewStop), BuildVarRef(NewStart))); | ||||||||
5279 | ForwardRange = AssertSuccess( | ||||||||
5280 | Actions.BuildCStyleCastExpr({}, LogicalTSI, {}, ForwardRange)); | ||||||||
5281 | Expr *ForwardDist = AssertSuccess(Actions.BuildBinOp( | ||||||||
5282 | nullptr, {}, BO_Div, ForwardRange, BuildVarRef(NewStep))); | ||||||||
5283 | |||||||||
5284 | // Negative increment. | ||||||||
5285 | Expr *BackwardRange = AssertSuccess(Actions.BuildBinOp( | ||||||||
5286 | nullptr, {}, BO_Sub, BuildVarRef(NewStart), BuildVarRef(NewStop))); | ||||||||
5287 | BackwardRange = AssertSuccess( | ||||||||
5288 | Actions.BuildCStyleCastExpr({}, LogicalTSI, {}, BackwardRange)); | ||||||||
5289 | Expr *NegIncAmount = AssertSuccess( | ||||||||
5290 | Actions.BuildUnaryOp(nullptr, {}, UO_Minus, BuildVarRef(NewStep))); | ||||||||
5291 | Expr *BackwardDist = AssertSuccess( | ||||||||
5292 | Actions.BuildBinOp(nullptr, {}, BO_Div, BackwardRange, NegIncAmount)); | ||||||||
5293 | |||||||||
5294 | // Use the appropriate case. | ||||||||
5295 | Dist = AssertSuccess(Actions.ActOnConditionalOp( | ||||||||
5296 | {}, {}, IsNegStep, BackwardDist, ForwardDist)); | ||||||||
5297 | } else { | ||||||||
5298 | assert((Rel == BO_LT || Rel == BO_LE || Rel == BO_GE || Rel == BO_GT) &&((void)0) | ||||||||
5299 | "Expected one of these relational operators")((void)0); | ||||||||
5300 | |||||||||
5301 | // We can derive the direction from any other comparison operator. It is | ||||||||
5302 | // non well-formed OpenMP if Step increments/decrements in the other | ||||||||
5303 | // directions. Whether at least the first iteration passes the loop | ||||||||
5304 | // condition. | ||||||||
5305 | Expr *HasAnyIteration = AssertSuccess(Actions.BuildBinOp( | ||||||||
5306 | nullptr, {}, Rel, BuildVarRef(NewStart), BuildVarRef(NewStop))); | ||||||||
5307 | |||||||||
5308 | // Compute the range between first and last counter value. | ||||||||
5309 | Expr *Range; | ||||||||
5310 | if (Rel == BO_GE || Rel == BO_GT) | ||||||||
5311 | Range = AssertSuccess(Actions.BuildBinOp( | ||||||||
5312 | nullptr, {}, BO_Sub, BuildVarRef(NewStart), BuildVarRef(NewStop))); | ||||||||
5313 | else | ||||||||
5314 | Range = AssertSuccess(Actions.BuildBinOp( | ||||||||
5315 | nullptr, {}, BO_Sub, BuildVarRef(NewStop), BuildVarRef(NewStart))); | ||||||||
5316 | |||||||||
5317 | // Ensure unsigned range space. | ||||||||
5318 | Range = | ||||||||
5319 | AssertSuccess(Actions.BuildCStyleCastExpr({}, LogicalTSI, {}, Range)); | ||||||||
5320 | |||||||||
5321 | if (Rel == BO_LE || Rel == BO_GE) { | ||||||||
5322 | // Add one to the range if the relational operator is inclusive. | ||||||||
5323 | Range = | ||||||||
5324 | AssertSuccess(Actions.BuildUnaryOp(nullptr, {}, UO_PreInc, Range)); | ||||||||
5325 | } | ||||||||
5326 | |||||||||
5327 | // Divide by the absolute step amount. | ||||||||
5328 | Expr *Divisor = BuildVarRef(NewStep); | ||||||||
5329 | if (Rel == BO_GE || Rel == BO_GT) | ||||||||
5330 | Divisor = | ||||||||
5331 | AssertSuccess(Actions.BuildUnaryOp(nullptr, {}, UO_Minus, Divisor)); | ||||||||
5332 | Dist = AssertSuccess( | ||||||||
5333 | Actions.BuildBinOp(nullptr, {}, BO_Div, Range, Divisor)); | ||||||||
5334 | |||||||||
5335 | // If there is not at least one iteration, the range contains garbage. Fix | ||||||||
5336 | // to zero in this case. | ||||||||
5337 | Dist = AssertSuccess( | ||||||||
5338 | Actions.ActOnConditionalOp({}, {}, HasAnyIteration, Dist, Zero)); | ||||||||
5339 | } | ||||||||
5340 | |||||||||
5341 | // Assign the result to the out-parameter. | ||||||||
5342 | Stmt *ResultAssign = AssertSuccess(Actions.BuildBinOp( | ||||||||
5343 | Actions.getCurScope(), {}, BO_Assign, DistRef, Dist)); | ||||||||
5344 | BodyStmts.push_back(ResultAssign); | ||||||||
5345 | |||||||||
5346 | Body = AssertSuccess(Actions.ActOnCompoundStmt({}, {}, BodyStmts, false)); | ||||||||
5347 | } | ||||||||
5348 | |||||||||
5349 | return cast<CapturedStmt>( | ||||||||
5350 | AssertSuccess(Actions.ActOnCapturedRegionEnd(Body))); | ||||||||
5351 | } | ||||||||
5352 | |||||||||
5353 | /// Create a closure that computes the loop variable from the logical iteration | ||||||||
5354 | /// number. | ||||||||
5355 | /// | ||||||||
5356 | /// \param Actions The Sema object. | ||||||||
5357 | /// \param LoopVarTy Type for the loop variable used for result value. | ||||||||
5358 | /// \param LogicalTy Type for the logical iteration number. | ||||||||
5359 | /// \param StartExpr Value of the loop counter at the first iteration. | ||||||||
5360 | /// \param Step Amount of increment after each iteration. | ||||||||
5361 | /// \param Deref Whether the loop variable is a dereference of the loop | ||||||||
5362 | /// counter variable. | ||||||||
5363 | /// | ||||||||
5364 | /// \return Closure (CapturedStmt) of the loop value calculation. | ||||||||
5365 | static CapturedStmt *buildLoopVarFunc(Sema &Actions, QualType LoopVarTy, | ||||||||
5366 | QualType LogicalTy, | ||||||||
5367 | DeclRefExpr *StartExpr, Expr *Step, | ||||||||
5368 | bool Deref) { | ||||||||
5369 | ASTContext &Ctx = Actions.getASTContext(); | ||||||||
5370 | |||||||||
5371 | // Pass the result as an out-parameter. Passing as return value would require | ||||||||
5372 | // the OpenMPIRBuilder to know additional C/C++ semantics, such as how to | ||||||||
5373 | // invoke a copy constructor. | ||||||||
5374 | QualType TargetParamTy = Ctx.getLValueReferenceType(LoopVarTy); | ||||||||
5375 | Sema::CapturedParamNameType Params[] = {{"LoopVar", TargetParamTy}, | ||||||||
5376 | {"Logical", LogicalTy}, | ||||||||
5377 | {StringRef(), QualType()}}; | ||||||||
5378 | Actions.ActOnCapturedRegionStart({}, nullptr, CR_Default, Params); | ||||||||
5379 | |||||||||
5380 | // Capture the initial iterator which represents the LoopVar value at the | ||||||||
5381 | // zero's logical iteration. Since the original ForStmt/CXXForRangeStmt update | ||||||||
5382 | // it in every iteration, capture it by value before it is modified. | ||||||||
5383 | VarDecl *StartVar = cast<VarDecl>(StartExpr->getDecl()); | ||||||||
5384 | bool Invalid = Actions.tryCaptureVariable(StartVar, {}, | ||||||||
5385 | Sema::TryCapture_ExplicitByVal, {}); | ||||||||
5386 | (void)Invalid; | ||||||||
5387 | assert(!Invalid && "Expecting capture-by-value to work.")((void)0); | ||||||||
5388 | |||||||||
5389 | Expr *Body; | ||||||||
5390 | { | ||||||||
5391 | Sema::CompoundScopeRAII CompoundScope(Actions); | ||||||||
5392 | auto *CS = cast<CapturedDecl>(Actions.CurContext); | ||||||||
5393 | |||||||||
5394 | ImplicitParamDecl *TargetParam = CS->getParam(0); | ||||||||
5395 | DeclRefExpr *TargetRef = Actions.BuildDeclRefExpr( | ||||||||
5396 | TargetParam, LoopVarTy, VK_LValue, {}, nullptr, nullptr, {}, nullptr); | ||||||||
5397 | ImplicitParamDecl *IndvarParam = CS->getParam(1); | ||||||||
5398 | DeclRefExpr *LogicalRef = Actions.BuildDeclRefExpr( | ||||||||
5399 | IndvarParam, LogicalTy, VK_LValue, {}, nullptr, nullptr, {}, nullptr); | ||||||||
5400 | |||||||||
5401 | // Capture the Start expression. | ||||||||
5402 | CaptureVars Recap(Actions); | ||||||||
5403 | Expr *NewStart = AssertSuccess(Recap.TransformExpr(StartExpr)); | ||||||||
5404 | Expr *NewStep = AssertSuccess(Recap.TransformExpr(Step)); | ||||||||
5405 | |||||||||
5406 | Expr *Skip = AssertSuccess( | ||||||||
5407 | Actions.BuildBinOp(nullptr, {}, BO_Mul, NewStep, LogicalRef)); | ||||||||
5408 | // TODO: Explicitly cast to the iterator's difference_type instead of | ||||||||
5409 | // relying on implicit conversion. | ||||||||
5410 | Expr *Advanced = | ||||||||
5411 | AssertSuccess(Actions.BuildBinOp(nullptr, {}, BO_Add, NewStart, Skip)); | ||||||||
5412 | |||||||||
5413 | if (Deref) { | ||||||||
5414 | // For range-based for-loops convert the loop counter value to a concrete | ||||||||
5415 | // loop variable value by dereferencing the iterator. | ||||||||
5416 | Advanced = | ||||||||
5417 | AssertSuccess(Actions.BuildUnaryOp(nullptr, {}, UO_Deref, Advanced)); | ||||||||
5418 | } | ||||||||
5419 | |||||||||
5420 | // Assign the result to the output parameter. | ||||||||
5421 | Body = AssertSuccess(Actions.BuildBinOp(Actions.getCurScope(), {}, | ||||||||
5422 | BO_Assign, TargetRef, Advanced)); | ||||||||
5423 | } | ||||||||
5424 | return cast<CapturedStmt>( | ||||||||
5425 | AssertSuccess(Actions.ActOnCapturedRegionEnd(Body))); | ||||||||
5426 | } | ||||||||
5427 | |||||||||
5428 | StmtResult Sema::ActOnOpenMPCanonicalLoop(Stmt *AStmt) { | ||||||||
5429 | ASTContext &Ctx = getASTContext(); | ||||||||
5430 | |||||||||
5431 | // Extract the common elements of ForStmt and CXXForRangeStmt: | ||||||||
5432 | // Loop variable, repeat condition, increment | ||||||||
5433 | Expr *Cond, *Inc; | ||||||||
5434 | VarDecl *LIVDecl, *LUVDecl; | ||||||||
5435 | if (auto *For = dyn_cast<ForStmt>(AStmt)) { | ||||||||
5436 | Stmt *Init = For->getInit(); | ||||||||
5437 | if (auto *LCVarDeclStmt = dyn_cast<DeclStmt>(Init)) { | ||||||||
5438 | // For statement declares loop variable. | ||||||||
5439 | LIVDecl = cast<VarDecl>(LCVarDeclStmt->getSingleDecl()); | ||||||||
5440 | } else if (auto *LCAssign = dyn_cast<BinaryOperator>(Init)) { | ||||||||
5441 | // For statement reuses variable. | ||||||||
5442 | assert(LCAssign->getOpcode() == BO_Assign &&((void)0) | ||||||||
5443 | "init part must be a loop variable assignment")((void)0); | ||||||||
5444 | auto *CounterRef = cast<DeclRefExpr>(LCAssign->getLHS()); | ||||||||
5445 | LIVDecl = cast<VarDecl>(CounterRef->getDecl()); | ||||||||
5446 | } else | ||||||||
5447 | llvm_unreachable("Cannot determine loop variable")__builtin_unreachable(); | ||||||||
5448 | LUVDecl = LIVDecl; | ||||||||
5449 | |||||||||
5450 | Cond = For->getCond(); | ||||||||
5451 | Inc = For->getInc(); | ||||||||
5452 | } else if (auto *RangeFor = dyn_cast<CXXForRangeStmt>(AStmt)) { | ||||||||
5453 | DeclStmt *BeginStmt = RangeFor->getBeginStmt(); | ||||||||
5454 | LIVDecl = cast<VarDecl>(BeginStmt->getSingleDecl()); | ||||||||
5455 | LUVDecl = RangeFor->getLoopVariable(); | ||||||||
5456 | |||||||||
5457 | Cond = RangeFor->getCond(); | ||||||||
5458 | Inc = RangeFor->getInc(); | ||||||||
5459 | } else | ||||||||
5460 | llvm_unreachable("unhandled kind of loop")__builtin_unreachable(); | ||||||||
5461 | |||||||||
5462 | QualType CounterTy = LIVDecl->getType(); | ||||||||
5463 | QualType LVTy = LUVDecl->getType(); | ||||||||
5464 | |||||||||
5465 | // Analyze the loop condition. | ||||||||
5466 | Expr *LHS, *RHS; | ||||||||
5467 | BinaryOperator::Opcode CondRel; | ||||||||
5468 | Cond = Cond->IgnoreImplicit(); | ||||||||
5469 | if (auto *CondBinExpr = dyn_cast<BinaryOperator>(Cond)) { | ||||||||
5470 | LHS = CondBinExpr->getLHS(); | ||||||||
5471 | RHS = CondBinExpr->getRHS(); | ||||||||
5472 | CondRel = CondBinExpr->getOpcode(); | ||||||||
5473 | } else if (auto *CondCXXOp = dyn_cast<CXXOperatorCallExpr>(Cond)) { | ||||||||
5474 | assert(CondCXXOp->getNumArgs() == 2 && "Comparison should have 2 operands")((void)0); | ||||||||
5475 | LHS = CondCXXOp->getArg(0); | ||||||||
5476 | RHS = CondCXXOp->getArg(1); | ||||||||
5477 | switch (CondCXXOp->getOperator()) { | ||||||||
5478 | case OO_ExclaimEqual: | ||||||||
5479 | CondRel = BO_NE; | ||||||||
5480 | break; | ||||||||
5481 | case OO_Less: | ||||||||
5482 | CondRel = BO_LT; | ||||||||
5483 | break; | ||||||||
5484 | case OO_LessEqual: | ||||||||
5485 | CondRel = BO_LE; | ||||||||
5486 | break; | ||||||||
5487 | case OO_Greater: | ||||||||
5488 | CondRel = BO_GT; | ||||||||
5489 | break; | ||||||||
5490 | case OO_GreaterEqual: | ||||||||
5491 | CondRel = BO_GE; | ||||||||
5492 | break; | ||||||||
5493 | default: | ||||||||
5494 | llvm_unreachable("unexpected iterator operator")__builtin_unreachable(); | ||||||||
5495 | } | ||||||||
5496 | } else | ||||||||
5497 | llvm_unreachable("unexpected loop condition")__builtin_unreachable(); | ||||||||
5498 | |||||||||
5499 | // Normalize such that the loop counter is on the LHS. | ||||||||
5500 | if (!isa<DeclRefExpr>(LHS->IgnoreImplicit()) || | ||||||||
5501 | cast<DeclRefExpr>(LHS->IgnoreImplicit())->getDecl() != LIVDecl) { | ||||||||
5502 | std::swap(LHS, RHS); | ||||||||
5503 | CondRel = BinaryOperator::reverseComparisonOp(CondRel); | ||||||||
5504 | } | ||||||||
5505 | auto *CounterRef = cast<DeclRefExpr>(LHS->IgnoreImplicit()); | ||||||||
5506 | |||||||||
5507 | // Decide the bit width for the logical iteration counter. By default use the | ||||||||
5508 | // unsigned ptrdiff_t integer size (for iterators and pointers). | ||||||||
5509 | // TODO: For iterators, use iterator::difference_type, | ||||||||
5510 | // std::iterator_traits<>::difference_type or decltype(it - end). | ||||||||
5511 | QualType LogicalTy = Ctx.getUnsignedPointerDiffType(); | ||||||||
5512 | if (CounterTy->isIntegerType()) { | ||||||||
5513 | unsigned BitWidth = Ctx.getIntWidth(CounterTy); | ||||||||
5514 | LogicalTy = Ctx.getIntTypeForBitwidth(BitWidth, false); | ||||||||
5515 | } | ||||||||
5516 | |||||||||
5517 | // Analyze the loop increment. | ||||||||
5518 | Expr *Step; | ||||||||
5519 | if (auto *IncUn = dyn_cast<UnaryOperator>(Inc)) { | ||||||||
5520 | int Direction; | ||||||||
5521 | switch (IncUn->getOpcode()) { | ||||||||
5522 | case UO_PreInc: | ||||||||
5523 | case UO_PostInc: | ||||||||
5524 | Direction = 1; | ||||||||
5525 | break; | ||||||||
5526 | case UO_PreDec: | ||||||||
5527 | case UO_PostDec: | ||||||||
5528 | Direction = -1; | ||||||||
5529 | break; | ||||||||
5530 | default: | ||||||||
5531 | llvm_unreachable("unhandled unary increment operator")__builtin_unreachable(); | ||||||||
5532 | } | ||||||||
5533 | Step = IntegerLiteral::Create( | ||||||||
5534 | Ctx, llvm::APInt(Ctx.getIntWidth(LogicalTy), Direction), LogicalTy, {}); | ||||||||
5535 | } else if (auto *IncBin = dyn_cast<BinaryOperator>(Inc)) { | ||||||||
5536 | if (IncBin->getOpcode() == BO_AddAssign) { | ||||||||
5537 | Step = IncBin->getRHS(); | ||||||||
5538 | } else if (IncBin->getOpcode() == BO_SubAssign) { | ||||||||
5539 | Step = | ||||||||
5540 | AssertSuccess(BuildUnaryOp(nullptr, {}, UO_Minus, IncBin->getRHS())); | ||||||||
5541 | } else | ||||||||
5542 | llvm_unreachable("unhandled binary increment operator")__builtin_unreachable(); | ||||||||
5543 | } else if (auto *CondCXXOp = dyn_cast<CXXOperatorCallExpr>(Inc)) { | ||||||||
5544 | switch (CondCXXOp->getOperator()) { | ||||||||
5545 | case OO_PlusPlus: | ||||||||
5546 | Step = IntegerLiteral::Create( | ||||||||
5547 | Ctx, llvm::APInt(Ctx.getIntWidth(LogicalTy), 1), LogicalTy, {}); | ||||||||
5548 | break; | ||||||||
5549 | case OO_MinusMinus: | ||||||||
5550 | Step = IntegerLiteral::Create( | ||||||||
5551 | Ctx, llvm::APInt(Ctx.getIntWidth(LogicalTy), -1), LogicalTy, {}); | ||||||||
5552 | break; | ||||||||
5553 | case OO_PlusEqual: | ||||||||
5554 | Step = CondCXXOp->getArg(1); | ||||||||
5555 | break; | ||||||||
5556 | case OO_MinusEqual: | ||||||||
5557 | Step = AssertSuccess( | ||||||||
5558 | BuildUnaryOp(nullptr, {}, UO_Minus, CondCXXOp->getArg(1))); | ||||||||
5559 | break; | ||||||||
5560 | default: | ||||||||
5561 | llvm_unreachable("unhandled overloaded increment operator")__builtin_unreachable(); | ||||||||
5562 | } | ||||||||
5563 | } else | ||||||||
5564 | llvm_unreachable("unknown increment expression")__builtin_unreachable(); | ||||||||
5565 | |||||||||
5566 | CapturedStmt *DistanceFunc = | ||||||||
5567 | buildDistanceFunc(*this, LogicalTy, CondRel, LHS, RHS, Step); | ||||||||
5568 | CapturedStmt *LoopVarFunc = buildLoopVarFunc( | ||||||||
5569 | *this, LVTy, LogicalTy, CounterRef, Step, isa<CXXForRangeStmt>(AStmt)); | ||||||||
5570 | DeclRefExpr *LVRef = BuildDeclRefExpr(LUVDecl, LUVDecl->getType(), VK_LValue, | ||||||||
5571 | {}, nullptr, nullptr, {}, nullptr); | ||||||||
5572 | return OMPCanonicalLoop::create(getASTContext(), AStmt, DistanceFunc, | ||||||||
5573 | LoopVarFunc, LVRef); | ||||||||
5574 | } | ||||||||
5575 | |||||||||
5576 | static ExprResult buildUserDefinedMapperRef(Sema &SemaRef, Scope *S, | ||||||||
5577 | CXXScopeSpec &MapperIdScopeSpec, | ||||||||
5578 | const DeclarationNameInfo &MapperId, | ||||||||
5579 | QualType Type, | ||||||||
5580 | Expr *UnresolvedMapper); | ||||||||
5581 | |||||||||
5582 | /// Perform DFS through the structure/class data members trying to find | ||||||||
5583 | /// member(s) with user-defined 'default' mapper and generate implicit map | ||||||||
5584 | /// clauses for such members with the found 'default' mapper. | ||||||||
5585 | static void | ||||||||
5586 | processImplicitMapsWithDefaultMappers(Sema &S, DSAStackTy *Stack, | ||||||||
5587 | SmallVectorImpl<OMPClause *> &Clauses) { | ||||||||
5588 | // Check for the deault mapper for data members. | ||||||||
5589 | if (S.getLangOpts().OpenMP < 50) | ||||||||
5590 | return; | ||||||||
5591 | SmallVector<OMPClause *, 4> ImplicitMaps; | ||||||||
5592 | for (int Cnt = 0, EndCnt = Clauses.size(); Cnt < EndCnt; ++Cnt) { | ||||||||
5593 | auto *C = dyn_cast<OMPMapClause>(Clauses[Cnt]); | ||||||||
5594 | if (!C) | ||||||||
5595 | continue; | ||||||||
5596 | SmallVector<Expr *, 4> SubExprs; | ||||||||
5597 | auto *MI = C->mapperlist_begin(); | ||||||||
5598 | for (auto I = C->varlist_begin(), End = C->varlist_end(); I != End; | ||||||||
5599 | ++I, ++MI) { | ||||||||
5600 | // Expression is mapped using mapper - skip it. | ||||||||
5601 | if (*MI) | ||||||||
5602 | continue; | ||||||||
5603 | Expr *E = *I; | ||||||||
5604 | // Expression is dependent - skip it, build the mapper when it gets | ||||||||
5605 | // instantiated. | ||||||||
5606 | if (E->isTypeDependent() || E->isValueDependent() || | ||||||||
5607 | E->containsUnexpandedParameterPack()) | ||||||||
5608 | continue; | ||||||||
5609 | // Array section - need to check for the mapping of the array section | ||||||||
5610 | // element. | ||||||||
5611 | QualType CanonType = E->getType().getCanonicalType(); | ||||||||
5612 | if (CanonType->isSpecificBuiltinType(BuiltinType::OMPArraySection)) { | ||||||||
5613 | const auto *OASE = cast<OMPArraySectionExpr>(E->IgnoreParenImpCasts()); | ||||||||
5614 | QualType BaseType = | ||||||||
5615 | OMPArraySectionExpr::getBaseOriginalType(OASE->getBase()); | ||||||||
5616 | QualType ElemType; | ||||||||
5617 | if (const auto *ATy = BaseType->getAsArrayTypeUnsafe()) | ||||||||
5618 | ElemType = ATy->getElementType(); | ||||||||
5619 | else | ||||||||
5620 | ElemType = BaseType->getPointeeType(); | ||||||||
5621 | CanonType = ElemType; | ||||||||
5622 | } | ||||||||
5623 | |||||||||
5624 | // DFS over data members in structures/classes. | ||||||||
5625 | SmallVector<std::pair<QualType, FieldDecl *>, 4> Types( | ||||||||
5626 | 1, {CanonType, nullptr}); | ||||||||
5627 | llvm::DenseMap<const Type *, Expr *> Visited; | ||||||||
5628 | SmallVector<std::pair<FieldDecl *, unsigned>, 4> ParentChain( | ||||||||
5629 | 1, {nullptr, 1}); | ||||||||
5630 | while (!Types.empty()) { | ||||||||
5631 | QualType BaseType; | ||||||||
5632 | FieldDecl *CurFD; | ||||||||
5633 | std::tie(BaseType, CurFD) = Types.pop_back_val(); | ||||||||
5634 | while (ParentChain.back().second == 0) | ||||||||
5635 | ParentChain.pop_back(); | ||||||||
5636 | --ParentChain.back().second; | ||||||||
5637 | if (BaseType.isNull()) | ||||||||
5638 | continue; | ||||||||
5639 | // Only structs/classes are allowed to have mappers. | ||||||||
5640 | const RecordDecl *RD = BaseType.getCanonicalType()->getAsRecordDecl(); | ||||||||
5641 | if (!RD) | ||||||||
5642 | continue; | ||||||||
5643 | auto It = Visited.find(BaseType.getTypePtr()); | ||||||||
5644 | if (It == Visited.end()) { | ||||||||
5645 | // Try to find the associated user-defined mapper. | ||||||||
5646 | CXXScopeSpec MapperIdScopeSpec; | ||||||||
5647 | DeclarationNameInfo DefaultMapperId; | ||||||||
5648 | DefaultMapperId.setName(S.Context.DeclarationNames.getIdentifier( | ||||||||
5649 | &S.Context.Idents.get("default"))); | ||||||||
5650 | DefaultMapperId.setLoc(E->getExprLoc()); | ||||||||
5651 | ExprResult ER = buildUserDefinedMapperRef( | ||||||||
5652 | S, Stack->getCurScope(), MapperIdScopeSpec, DefaultMapperId, | ||||||||
5653 | BaseType, /*UnresolvedMapper=*/nullptr); | ||||||||
5654 | if (ER.isInvalid()) | ||||||||
5655 | continue; | ||||||||
5656 | It = Visited.try_emplace(BaseType.getTypePtr(), ER.get()).first; | ||||||||
5657 | } | ||||||||
5658 | // Found default mapper. | ||||||||
5659 | if (It->second) { | ||||||||
5660 | auto *OE = new (S.Context) OpaqueValueExpr(E->getExprLoc(), CanonType, | ||||||||
5661 | VK_LValue, OK_Ordinary, E); | ||||||||
5662 | OE->setIsUnique(/*V=*/true); | ||||||||
5663 | Expr *BaseExpr = OE; | ||||||||
5664 | for (const auto &P : ParentChain) { | ||||||||
5665 | if (P.first) { | ||||||||
5666 | BaseExpr = S.BuildMemberExpr( | ||||||||
5667 | BaseExpr, /*IsArrow=*/false, E->getExprLoc(), | ||||||||
5668 | NestedNameSpecifierLoc(), SourceLocation(), P.first, | ||||||||
5669 | DeclAccessPair::make(P.first, P.first->getAccess()), | ||||||||
5670 | /*HadMultipleCandidates=*/false, DeclarationNameInfo(), | ||||||||
5671 | P.first->getType(), VK_LValue, OK_Ordinary); | ||||||||
5672 | BaseExpr = S.DefaultLvalueConversion(BaseExpr).get(); | ||||||||
5673 | } | ||||||||
5674 | } | ||||||||
5675 | if (CurFD) | ||||||||
5676 | BaseExpr = S.BuildMemberExpr( | ||||||||
5677 | BaseExpr, /*IsArrow=*/false, E->getExprLoc(), | ||||||||
5678 | NestedNameSpecifierLoc(), SourceLocation(), CurFD, | ||||||||
5679 | DeclAccessPair::make(CurFD, CurFD->getAccess()), | ||||||||
5680 | /*HadMultipleCandidates=*/false, DeclarationNameInfo(), | ||||||||
5681 | CurFD->getType(), VK_LValue, OK_Ordinary); | ||||||||
5682 | SubExprs.push_back(BaseExpr); | ||||||||
5683 | continue; | ||||||||
5684 | } | ||||||||
5685 | // Check for the "default" mapper for data memebers. | ||||||||
5686 | bool FirstIter = true; | ||||||||
5687 | for (FieldDecl *FD : RD->fields()) { | ||||||||
5688 | if (!FD) | ||||||||
5689 | continue; | ||||||||
5690 | QualType FieldTy = FD->getType(); | ||||||||
5691 | if (FieldTy.isNull() || | ||||||||
5692 | !(FieldTy->isStructureOrClassType() || FieldTy->isUnionType())) | ||||||||
5693 | continue; | ||||||||
5694 | if (FirstIter) { | ||||||||
5695 | FirstIter = false; | ||||||||
5696 | ParentChain.emplace_back(CurFD, 1); | ||||||||
5697 | } else { | ||||||||
5698 | ++ParentChain.back().second; | ||||||||
5699 | } | ||||||||
5700 | Types.emplace_back(FieldTy, FD); | ||||||||
5701 | } | ||||||||
5702 | } | ||||||||
5703 | } | ||||||||
5704 | if (SubExprs.empty()) | ||||||||
5705 | continue; | ||||||||
5706 | CXXScopeSpec MapperIdScopeSpec; | ||||||||
5707 | DeclarationNameInfo MapperId; | ||||||||
5708 | if (OMPClause *NewClause = S.ActOnOpenMPMapClause( | ||||||||
5709 | C->getMapTypeModifiers(), C->getMapTypeModifiersLoc(), | ||||||||
5710 | MapperIdScopeSpec, MapperId, C->getMapType(), | ||||||||
5711 | /*IsMapTypeImplicit=*/true, SourceLocation(), SourceLocation(), | ||||||||
5712 | SubExprs, OMPVarListLocTy())) | ||||||||
5713 | Clauses.push_back(NewClause); | ||||||||
5714 | } | ||||||||
5715 | } | ||||||||
5716 | |||||||||
5717 | StmtResult Sema::ActOnOpenMPExecutableDirective( | ||||||||
5718 | OpenMPDirectiveKind Kind, const DeclarationNameInfo &DirName, | ||||||||
5719 | OpenMPDirectiveKind CancelRegion, ArrayRef<OMPClause *> Clauses, | ||||||||
5720 | Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc) { | ||||||||
5721 | StmtResult Res = StmtError(); | ||||||||
5722 | // First check CancelRegion which is then used in checkNestingOfRegions. | ||||||||
5723 | if (checkCancelRegion(*this, Kind, CancelRegion, StartLoc) || | ||||||||
5724 | checkNestingOfRegions(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), Kind, DirName, CancelRegion, | ||||||||
5725 | StartLoc)) | ||||||||
5726 | return StmtError(); | ||||||||
5727 | |||||||||
5728 | llvm::SmallVector<OMPClause *, 8> ClausesWithImplicit; | ||||||||
5729 | VarsWithInheritedDSAType VarsWithInheritedDSA; | ||||||||
5730 | bool ErrorFound = false; | ||||||||
5731 | ClausesWithImplicit.append(Clauses.begin(), Clauses.end()); | ||||||||
5732 | if (AStmt && !CurContext->isDependentContext() && Kind != OMPD_atomic && | ||||||||
5733 | Kind != OMPD_critical && Kind != OMPD_section && Kind != OMPD_master && | ||||||||
5734 | Kind != OMPD_masked && !isOpenMPLoopTransformationDirective(Kind)) { | ||||||||
5735 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((void)0); | ||||||||
5736 | |||||||||
5737 | // Check default data sharing attributes for referenced variables. | ||||||||
5738 | DSAAttrChecker DSAChecker(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), *this, cast<CapturedStmt>(AStmt)); | ||||||||
5739 | int ThisCaptureLevel = getOpenMPCaptureLevels(Kind); | ||||||||
5740 | Stmt *S = AStmt; | ||||||||
5741 | while (--ThisCaptureLevel >= 0) | ||||||||
5742 | S = cast<CapturedStmt>(S)->getCapturedStmt(); | ||||||||
5743 | DSAChecker.Visit(S); | ||||||||
5744 | if (!isOpenMPTargetDataManagementDirective(Kind) && | ||||||||
5745 | !isOpenMPTaskingDirective(Kind)) { | ||||||||
5746 | // Visit subcaptures to generate implicit clauses for captured vars. | ||||||||
5747 | auto *CS = cast<CapturedStmt>(AStmt); | ||||||||
5748 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; | ||||||||
5749 | getOpenMPCaptureRegions(CaptureRegions, Kind); | ||||||||
5750 | // Ignore outer tasking regions for target directives. | ||||||||
5751 | if (CaptureRegions.size() > 1 && CaptureRegions.front() == OMPD_task) | ||||||||
5752 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||||||
5753 | DSAChecker.visitSubCaptures(CS); | ||||||||
5754 | } | ||||||||
5755 | if (DSAChecker.isErrorFound()) | ||||||||
5756 | return StmtError(); | ||||||||
5757 | // Generate list of implicitly defined firstprivate variables. | ||||||||
5758 | VarsWithInheritedDSA = DSAChecker.getVarsWithInheritedDSA(); | ||||||||
5759 | |||||||||
5760 | SmallVector<Expr *, 4> ImplicitFirstprivates( | ||||||||
5761 | DSAChecker.getImplicitFirstprivate().begin(), | ||||||||
5762 | DSAChecker.getImplicitFirstprivate().end()); | ||||||||
5763 | const unsigned DefaultmapKindNum = OMPC_DEFAULTMAP_pointer + 1; | ||||||||
5764 | SmallVector<Expr *, 4> ImplicitMaps[DefaultmapKindNum][OMPC_MAP_delete]; | ||||||||
5765 | SmallVector<OpenMPMapModifierKind, NumberOfOMPMapClauseModifiers> | ||||||||
5766 | ImplicitMapModifiers[DefaultmapKindNum]; | ||||||||
5767 | SmallVector<SourceLocation, NumberOfOMPMapClauseModifiers> | ||||||||
5768 | ImplicitMapModifiersLoc[DefaultmapKindNum]; | ||||||||
5769 | // Get the original location of present modifier from Defaultmap clause. | ||||||||
5770 | SourceLocation PresentModifierLocs[DefaultmapKindNum]; | ||||||||
5771 | for (OMPClause *C : Clauses) { | ||||||||
5772 | if (auto *DMC = dyn_cast<OMPDefaultmapClause>(C)) | ||||||||
5773 | if (DMC->getDefaultmapModifier() == OMPC_DEFAULTMAP_MODIFIER_present) | ||||||||
5774 | PresentModifierLocs[DMC->getDefaultmapKind()] = | ||||||||
5775 | DMC->getDefaultmapModifierLoc(); | ||||||||
5776 | } | ||||||||
5777 | for (unsigned VC = 0; VC < DefaultmapKindNum; ++VC) { | ||||||||
5778 | auto Kind = static_cast<OpenMPDefaultmapClauseKind>(VC); | ||||||||
5779 | for (unsigned I = 0; I < OMPC_MAP_delete; ++I) { | ||||||||
5780 | ArrayRef<Expr *> ImplicitMap = DSAChecker.getImplicitMap( | ||||||||
5781 | Kind, static_cast<OpenMPMapClauseKind>(I)); | ||||||||
5782 | ImplicitMaps[VC][I].append(ImplicitMap.begin(), ImplicitMap.end()); | ||||||||
5783 | } | ||||||||
5784 | ArrayRef<OpenMPMapModifierKind> ImplicitModifier = | ||||||||
5785 | DSAChecker.getImplicitMapModifier(Kind); | ||||||||
5786 | ImplicitMapModifiers[VC].append(ImplicitModifier.begin(), | ||||||||
5787 | ImplicitModifier.end()); | ||||||||
5788 | std::fill_n(std::back_inserter(ImplicitMapModifiersLoc[VC]), | ||||||||
5789 | ImplicitModifier.size(), PresentModifierLocs[VC]); | ||||||||
5790 | } | ||||||||
5791 | // Mark taskgroup task_reduction descriptors as implicitly firstprivate. | ||||||||
5792 | for (OMPClause *C : Clauses) { | ||||||||
5793 | if (auto *IRC = dyn_cast<OMPInReductionClause>(C)) { | ||||||||
5794 | for (Expr *E : IRC->taskgroup_descriptors()) | ||||||||
5795 | if (E) | ||||||||
5796 | ImplicitFirstprivates.emplace_back(E); | ||||||||
5797 | } | ||||||||
5798 | // OpenMP 5.0, 2.10.1 task Construct | ||||||||
5799 | // [detach clause]... The event-handle will be considered as if it was | ||||||||
5800 | // specified on a firstprivate clause. | ||||||||
5801 | if (auto *DC = dyn_cast<OMPDetachClause>(C)) | ||||||||
5802 | ImplicitFirstprivates.push_back(DC->getEventHandler()); | ||||||||
5803 | } | ||||||||
5804 | if (!ImplicitFirstprivates.empty()) { | ||||||||
5805 | if (OMPClause *Implicit = ActOnOpenMPFirstprivateClause( | ||||||||
5806 | ImplicitFirstprivates, SourceLocation(), SourceLocation(), | ||||||||
5807 | SourceLocation())) { | ||||||||
5808 | ClausesWithImplicit.push_back(Implicit); | ||||||||
5809 | ErrorFound = cast<OMPFirstprivateClause>(Implicit)->varlist_size() != | ||||||||
5810 | ImplicitFirstprivates.size(); | ||||||||
5811 | } else { | ||||||||
5812 | ErrorFound = true; | ||||||||
5813 | } | ||||||||
5814 | } | ||||||||
5815 | for (unsigned I = 0, E = DefaultmapKindNum; I < E; ++I) { | ||||||||
5816 | int ClauseKindCnt = -1; | ||||||||
5817 | for (ArrayRef<Expr *> ImplicitMap : ImplicitMaps[I]) { | ||||||||
5818 | ++ClauseKindCnt; | ||||||||
5819 | if (ImplicitMap.empty()) | ||||||||
5820 | continue; | ||||||||
5821 | CXXScopeSpec MapperIdScopeSpec; | ||||||||
5822 | DeclarationNameInfo MapperId; | ||||||||
5823 | auto Kind = static_cast<OpenMPMapClauseKind>(ClauseKindCnt); | ||||||||
5824 | if (OMPClause *Implicit = ActOnOpenMPMapClause( | ||||||||
5825 | ImplicitMapModifiers[I], ImplicitMapModifiersLoc[I], | ||||||||
5826 | MapperIdScopeSpec, MapperId, Kind, /*IsMapTypeImplicit=*/true, | ||||||||
5827 | SourceLocation(), SourceLocation(), ImplicitMap, | ||||||||
5828 | OMPVarListLocTy())) { | ||||||||
5829 | ClausesWithImplicit.emplace_back(Implicit); | ||||||||
5830 | ErrorFound |= cast<OMPMapClause>(Implicit)->varlist_size() != | ||||||||
5831 | ImplicitMap.size(); | ||||||||
5832 | } else { | ||||||||
5833 | ErrorFound = true; | ||||||||
5834 | } | ||||||||
5835 | } | ||||||||
5836 | } | ||||||||
5837 | // Build expressions for implicit maps of data members with 'default' | ||||||||
5838 | // mappers. | ||||||||
5839 | if (LangOpts.OpenMP >= 50) | ||||||||
5840 | processImplicitMapsWithDefaultMappers(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||||||
5841 | ClausesWithImplicit); | ||||||||
5842 | } | ||||||||
5843 | |||||||||
5844 | llvm::SmallVector<OpenMPDirectiveKind, 4> AllowedNameModifiers; | ||||||||
5845 | switch (Kind) { | ||||||||
5846 | case OMPD_parallel: | ||||||||
5847 | Res = ActOnOpenMPParallelDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||||||
5848 | EndLoc); | ||||||||
5849 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||||||
5850 | break; | ||||||||
5851 | case OMPD_simd: | ||||||||
5852 | Res = ActOnOpenMPSimdDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc, | ||||||||
5853 | VarsWithInheritedDSA); | ||||||||
5854 | if (LangOpts.OpenMP >= 50) | ||||||||
5855 | AllowedNameModifiers.push_back(OMPD_simd); | ||||||||
5856 | break; | ||||||||
5857 | case OMPD_tile: | ||||||||
5858 | Res = | ||||||||
5859 | ActOnOpenMPTileDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc); | ||||||||
5860 | break; | ||||||||
5861 | case OMPD_unroll: | ||||||||
5862 | Res = ActOnOpenMPUnrollDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||||||
5863 | EndLoc); | ||||||||
5864 | break; | ||||||||
5865 | case OMPD_for: | ||||||||
5866 | Res = ActOnOpenMPForDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc, | ||||||||
5867 | VarsWithInheritedDSA); | ||||||||
5868 | break; | ||||||||
5869 | case OMPD_for_simd: | ||||||||
5870 | Res = ActOnOpenMPForSimdDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||||||
5871 | EndLoc, VarsWithInheritedDSA); | ||||||||
5872 | if (LangOpts.OpenMP >= 50) | ||||||||
5873 | AllowedNameModifiers.push_back(OMPD_simd); | ||||||||
5874 | break; | ||||||||
5875 | case OMPD_sections: | ||||||||
5876 | Res = ActOnOpenMPSectionsDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||||||
5877 | EndLoc); | ||||||||
5878 | break; | ||||||||
5879 | case OMPD_section: | ||||||||
5880 | assert(ClausesWithImplicit.empty() &&((void)0) | ||||||||
5881 | "No clauses are allowed for 'omp section' directive")((void)0); | ||||||||
5882 | Res = ActOnOpenMPSectionDirective(AStmt, StartLoc, EndLoc); | ||||||||
5883 | break; | ||||||||
5884 | case OMPD_single: | ||||||||
5885 | Res = ActOnOpenMPSingleDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||||||
5886 | EndLoc); | ||||||||
5887 | break; | ||||||||
5888 | case OMPD_master: | ||||||||
5889 | assert(ClausesWithImplicit.empty() &&((void)0) | ||||||||
5890 | "No clauses are allowed for 'omp master' directive")((void)0); | ||||||||
5891 | Res = ActOnOpenMPMasterDirective(AStmt, StartLoc, EndLoc); | ||||||||
5892 | break; | ||||||||
5893 | case OMPD_masked: | ||||||||
5894 | Res = ActOnOpenMPMaskedDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||||||
5895 | EndLoc); | ||||||||
5896 | break; | ||||||||
5897 | case OMPD_critical: | ||||||||
5898 | Res = ActOnOpenMPCriticalDirective(DirName, ClausesWithImplicit, AStmt, | ||||||||
5899 | StartLoc, EndLoc); | ||||||||
5900 | break; | ||||||||
5901 | case OMPD_parallel_for: | ||||||||
5902 | Res = ActOnOpenMPParallelForDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||||||
5903 | EndLoc, VarsWithInheritedDSA); | ||||||||
5904 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||||||
5905 | break; | ||||||||
5906 | case OMPD_parallel_for_simd: | ||||||||
5907 | Res = ActOnOpenMPParallelForSimdDirective( | ||||||||
5908 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||||||
5909 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||||||
5910 | if (LangOpts.OpenMP >= 50) | ||||||||
5911 | AllowedNameModifiers.push_back(OMPD_simd); | ||||||||
5912 | break; | ||||||||
5913 | case OMPD_parallel_master: | ||||||||
5914 | Res = ActOnOpenMPParallelMasterDirective(ClausesWithImplicit, AStmt, | ||||||||
5915 | StartLoc, EndLoc); | ||||||||
5916 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||||||
5917 | break; | ||||||||
5918 | case OMPD_parallel_sections: | ||||||||
5919 | Res = ActOnOpenMPParallelSectionsDirective(ClausesWithImplicit, AStmt, | ||||||||
5920 | StartLoc, EndLoc); | ||||||||
5921 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||||||
5922 | break; | ||||||||
5923 | case OMPD_task: | ||||||||
5924 | Res = | ||||||||
5925 | ActOnOpenMPTaskDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc); | ||||||||
5926 | AllowedNameModifiers.push_back(OMPD_task); | ||||||||
5927 | break; | ||||||||
5928 | case OMPD_taskyield: | ||||||||
5929 | assert(ClausesWithImplicit.empty() &&((void)0) | ||||||||
5930 | "No clauses are allowed for 'omp taskyield' directive")((void)0); | ||||||||
5931 | assert(AStmt == nullptr &&((void)0) | ||||||||
5932 | "No associated statement allowed for 'omp taskyield' directive")((void)0); | ||||||||
5933 | Res = ActOnOpenMPTaskyieldDirective(StartLoc, EndLoc); | ||||||||
5934 | break; | ||||||||
5935 | case OMPD_barrier: | ||||||||
5936 | assert(ClausesWithImplicit.empty() &&((void)0) | ||||||||
5937 | "No clauses are allowed for 'omp barrier' directive")((void)0); | ||||||||
5938 | assert(AStmt == nullptr &&((void)0) | ||||||||
5939 | "No associated statement allowed for 'omp barrier' directive")((void)0); | ||||||||
5940 | Res = ActOnOpenMPBarrierDirective(StartLoc, EndLoc); | ||||||||
5941 | break; | ||||||||
5942 | case OMPD_taskwait: | ||||||||
5943 | assert(ClausesWithImplicit.empty() &&((void)0) | ||||||||
5944 | "No clauses are allowed for 'omp taskwait' directive")((void)0); | ||||||||
5945 | assert(AStmt == nullptr &&((void)0) | ||||||||
5946 | "No associated statement allowed for 'omp taskwait' directive")((void)0); | ||||||||
5947 | Res = ActOnOpenMPTaskwaitDirective(StartLoc, EndLoc); | ||||||||
5948 | break; | ||||||||
5949 | case OMPD_taskgroup: | ||||||||
5950 | Res = ActOnOpenMPTaskgroupDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||||||
5951 | EndLoc); | ||||||||
5952 | break; | ||||||||
5953 | case OMPD_flush: | ||||||||
5954 | assert(AStmt == nullptr &&((void)0) | ||||||||
5955 | "No associated statement allowed for 'omp flush' directive")((void)0); | ||||||||
5956 | Res = ActOnOpenMPFlushDirective(ClausesWithImplicit, StartLoc, EndLoc); | ||||||||
5957 | break; | ||||||||
5958 | case OMPD_depobj: | ||||||||
5959 | assert(AStmt == nullptr &&((void)0) | ||||||||
5960 | "No associated statement allowed for 'omp depobj' directive")((void)0); | ||||||||
5961 | Res = ActOnOpenMPDepobjDirective(ClausesWithImplicit, StartLoc, EndLoc); | ||||||||
5962 | break; | ||||||||
5963 | case OMPD_scan: | ||||||||
5964 | assert(AStmt == nullptr &&((void)0) | ||||||||
5965 | "No associated statement allowed for 'omp scan' directive")((void)0); | ||||||||
5966 | Res = ActOnOpenMPScanDirective(ClausesWithImplicit, StartLoc, EndLoc); | ||||||||
5967 | break; | ||||||||
5968 | case OMPD_ordered: | ||||||||
5969 | Res = ActOnOpenMPOrderedDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||||||
5970 | EndLoc); | ||||||||
5971 | break; | ||||||||
5972 | case OMPD_atomic: | ||||||||
5973 | Res = ActOnOpenMPAtomicDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||||||
5974 | EndLoc); | ||||||||
5975 | break; | ||||||||
5976 | case OMPD_teams: | ||||||||
5977 | Res = | ||||||||
5978 | ActOnOpenMPTeamsDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc); | ||||||||
5979 | break; | ||||||||
5980 | case OMPD_target: | ||||||||
5981 | Res = ActOnOpenMPTargetDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||||||
5982 | EndLoc); | ||||||||
5983 | AllowedNameModifiers.push_back(OMPD_target); | ||||||||
5984 | break; | ||||||||
5985 | case OMPD_target_parallel: | ||||||||
5986 | Res = ActOnOpenMPTargetParallelDirective(ClausesWithImplicit, AStmt, | ||||||||
5987 | StartLoc, EndLoc); | ||||||||
5988 | AllowedNameModifiers.push_back(OMPD_target); | ||||||||
5989 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||||||
5990 | break; | ||||||||
5991 | case OMPD_target_parallel_for: | ||||||||
5992 | Res = ActOnOpenMPTargetParallelForDirective( | ||||||||
5993 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||||||
5994 | AllowedNameModifiers.push_back(OMPD_target); | ||||||||
5995 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||||||
5996 | break; | ||||||||
5997 | case OMPD_cancellation_point: | ||||||||
5998 | assert(ClausesWithImplicit.empty() &&((void)0) | ||||||||
5999 | "No clauses are allowed for 'omp cancellation point' directive")((void)0); | ||||||||
6000 | assert(AStmt == nullptr && "No associated statement allowed for 'omp "((void)0) | ||||||||
6001 | "cancellation point' directive")((void)0); | ||||||||
6002 | Res = ActOnOpenMPCancellationPointDirective(StartLoc, EndLoc, CancelRegion); | ||||||||
6003 | break; | ||||||||
6004 | case OMPD_cancel: | ||||||||
6005 | assert(AStmt == nullptr &&((void)0) | ||||||||
6006 | "No associated statement allowed for 'omp cancel' directive")((void)0); | ||||||||
6007 | Res = ActOnOpenMPCancelDirective(ClausesWithImplicit, StartLoc, EndLoc, | ||||||||
6008 | CancelRegion); | ||||||||
6009 | AllowedNameModifiers.push_back(OMPD_cancel); | ||||||||
6010 | break; | ||||||||
6011 | case OMPD_target_data: | ||||||||
6012 | Res = ActOnOpenMPTargetDataDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||||||
6013 | EndLoc); | ||||||||
6014 | AllowedNameModifiers.push_back(OMPD_target_data); | ||||||||
6015 | break; | ||||||||
6016 | case OMPD_target_enter_data: | ||||||||
6017 | Res = ActOnOpenMPTargetEnterDataDirective(ClausesWithImplicit, StartLoc, | ||||||||
6018 | EndLoc, AStmt); | ||||||||
6019 | AllowedNameModifiers.push_back(OMPD_target_enter_data); | ||||||||
6020 | break; | ||||||||
6021 | case OMPD_target_exit_data: | ||||||||
6022 | Res = ActOnOpenMPTargetExitDataDirective(ClausesWithImplicit, StartLoc, | ||||||||
6023 | EndLoc, AStmt); | ||||||||
6024 | AllowedNameModifiers.push_back(OMPD_target_exit_data); | ||||||||
6025 | break; | ||||||||
6026 | case OMPD_taskloop: | ||||||||
6027 | Res = ActOnOpenMPTaskLoopDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||||||
6028 | EndLoc, VarsWithInheritedDSA); | ||||||||
6029 | AllowedNameModifiers.push_back(OMPD_taskloop); | ||||||||
6030 | break; | ||||||||
6031 | case OMPD_taskloop_simd: | ||||||||
6032 | Res = ActOnOpenMPTaskLoopSimdDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||||||
6033 | EndLoc, VarsWithInheritedDSA); | ||||||||
6034 | AllowedNameModifiers.push_back(OMPD_taskloop); | ||||||||
6035 | if (LangOpts.OpenMP >= 50) | ||||||||
6036 | AllowedNameModifiers.push_back(OMPD_simd); | ||||||||
6037 | break; | ||||||||
6038 | case OMPD_master_taskloop: | ||||||||
6039 | Res = ActOnOpenMPMasterTaskLoopDirective( | ||||||||
6040 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||||||
6041 | AllowedNameModifiers.push_back(OMPD_taskloop); | ||||||||
6042 | break; | ||||||||
6043 | case OMPD_master_taskloop_simd: | ||||||||
6044 | Res = ActOnOpenMPMasterTaskLoopSimdDirective( | ||||||||
6045 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||||||
6046 | AllowedNameModifiers.push_back(OMPD_taskloop); | ||||||||
6047 | if (LangOpts.OpenMP >= 50) | ||||||||
6048 | AllowedNameModifiers.push_back(OMPD_simd); | ||||||||
6049 | break; | ||||||||
6050 | case OMPD_parallel_master_taskloop: | ||||||||
6051 | Res = ActOnOpenMPParallelMasterTaskLoopDirective( | ||||||||
6052 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||||||
6053 | AllowedNameModifiers.push_back(OMPD_taskloop); | ||||||||
6054 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||||||
6055 | break; | ||||||||
6056 | case OMPD_parallel_master_taskloop_simd: | ||||||||
6057 | Res = ActOnOpenMPParallelMasterTaskLoopSimdDirective( | ||||||||
6058 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||||||
6059 | AllowedNameModifiers.push_back(OMPD_taskloop); | ||||||||
6060 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||||||
6061 | if (LangOpts.OpenMP >= 50) | ||||||||
6062 | AllowedNameModifiers.push_back(OMPD_simd); | ||||||||
6063 | break; | ||||||||
6064 | case OMPD_distribute: | ||||||||
6065 | Res = ActOnOpenMPDistributeDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||||||
6066 | EndLoc, VarsWithInheritedDSA); | ||||||||
6067 | break; | ||||||||
6068 | case OMPD_target_update: | ||||||||
6069 | Res = ActOnOpenMPTargetUpdateDirective(ClausesWithImplicit, StartLoc, | ||||||||
6070 | EndLoc, AStmt); | ||||||||
6071 | AllowedNameModifiers.push_back(OMPD_target_update); | ||||||||
6072 | break; | ||||||||
6073 | case OMPD_distribute_parallel_for: | ||||||||
6074 | Res = ActOnOpenMPDistributeParallelForDirective( | ||||||||
6075 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||||||
6076 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||||||
6077 | break; | ||||||||
6078 | case OMPD_distribute_parallel_for_simd: | ||||||||
6079 | Res = ActOnOpenMPDistributeParallelForSimdDirective( | ||||||||
6080 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||||||
6081 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||||||
6082 | if (LangOpts.OpenMP >= 50) | ||||||||
6083 | AllowedNameModifiers.push_back(OMPD_simd); | ||||||||
6084 | break; | ||||||||
6085 | case OMPD_distribute_simd: | ||||||||
6086 | Res = ActOnOpenMPDistributeSimdDirective( | ||||||||
6087 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||||||
6088 | if (LangOpts.OpenMP >= 50) | ||||||||
6089 | AllowedNameModifiers.push_back(OMPD_simd); | ||||||||
6090 | break; | ||||||||
6091 | case OMPD_target_parallel_for_simd: | ||||||||
6092 | Res = ActOnOpenMPTargetParallelForSimdDirective( | ||||||||
6093 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||||||
6094 | AllowedNameModifiers.push_back(OMPD_target); | ||||||||
6095 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||||||
6096 | if (LangOpts.OpenMP >= 50) | ||||||||
6097 | AllowedNameModifiers.push_back(OMPD_simd); | ||||||||
6098 | break; | ||||||||
6099 | case OMPD_target_simd: | ||||||||
6100 | Res = ActOnOpenMPTargetSimdDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||||||
6101 | EndLoc, VarsWithInheritedDSA); | ||||||||
6102 | AllowedNameModifiers.push_back(OMPD_target); | ||||||||
6103 | if (LangOpts.OpenMP >= 50) | ||||||||
6104 | AllowedNameModifiers.push_back(OMPD_simd); | ||||||||
6105 | break; | ||||||||
6106 | case OMPD_teams_distribute: | ||||||||
6107 | Res = ActOnOpenMPTeamsDistributeDirective( | ||||||||
6108 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||||||
6109 | break; | ||||||||
6110 | case OMPD_teams_distribute_simd: | ||||||||
6111 | Res = ActOnOpenMPTeamsDistributeSimdDirective( | ||||||||
6112 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||||||
6113 | if (LangOpts.OpenMP >= 50) | ||||||||
6114 | AllowedNameModifiers.push_back(OMPD_simd); | ||||||||
6115 | break; | ||||||||
6116 | case OMPD_teams_distribute_parallel_for_simd: | ||||||||
6117 | Res = ActOnOpenMPTeamsDistributeParallelForSimdDirective( | ||||||||
6118 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||||||
6119 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||||||
6120 | if (LangOpts.OpenMP >= 50) | ||||||||
6121 | AllowedNameModifiers.push_back(OMPD_simd); | ||||||||
6122 | break; | ||||||||
6123 | case OMPD_teams_distribute_parallel_for: | ||||||||
6124 | Res = ActOnOpenMPTeamsDistributeParallelForDirective( | ||||||||
6125 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||||||
6126 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||||||
6127 | break; | ||||||||
6128 | case OMPD_target_teams: | ||||||||
6129 | Res = ActOnOpenMPTargetTeamsDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||||||
6130 | EndLoc); | ||||||||
6131 | AllowedNameModifiers.push_back(OMPD_target); | ||||||||
6132 | break; | ||||||||
6133 | case OMPD_target_teams_distribute: | ||||||||
6134 | Res = ActOnOpenMPTargetTeamsDistributeDirective( | ||||||||
6135 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||||||
6136 | AllowedNameModifiers.push_back(OMPD_target); | ||||||||
6137 | break; | ||||||||
6138 | case OMPD_target_teams_distribute_parallel_for: | ||||||||
6139 | Res = ActOnOpenMPTargetTeamsDistributeParallelForDirective( | ||||||||
6140 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||||||
6141 | AllowedNameModifiers.push_back(OMPD_target); | ||||||||
6142 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||||||
6143 | break; | ||||||||
6144 | case OMPD_target_teams_distribute_parallel_for_simd: | ||||||||
6145 | Res = ActOnOpenMPTargetTeamsDistributeParallelForSimdDirective( | ||||||||
6146 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||||||
6147 | AllowedNameModifiers.push_back(OMPD_target); | ||||||||
6148 | AllowedNameModifiers.push_back(OMPD_parallel); | ||||||||
6149 | if (LangOpts.OpenMP >= 50) | ||||||||
6150 | AllowedNameModifiers.push_back(OMPD_simd); | ||||||||
6151 | break; | ||||||||
6152 | case OMPD_target_teams_distribute_simd: | ||||||||
6153 | Res = ActOnOpenMPTargetTeamsDistributeSimdDirective( | ||||||||
6154 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | ||||||||
6155 | AllowedNameModifiers.push_back(OMPD_target); | ||||||||
6156 | if (LangOpts.OpenMP >= 50) | ||||||||
6157 | AllowedNameModifiers.push_back(OMPD_simd); | ||||||||
6158 | break; | ||||||||
6159 | case OMPD_interop: | ||||||||
6160 | assert(AStmt == nullptr &&((void)0) | ||||||||
6161 | "No associated statement allowed for 'omp interop' directive")((void)0); | ||||||||
6162 | Res = ActOnOpenMPInteropDirective(ClausesWithImplicit, StartLoc, EndLoc); | ||||||||
6163 | break; | ||||||||
6164 | case OMPD_dispatch: | ||||||||
6165 | Res = ActOnOpenMPDispatchDirective(ClausesWithImplicit, AStmt, StartLoc, | ||||||||
6166 | EndLoc); | ||||||||
6167 | break; | ||||||||
6168 | case OMPD_declare_target: | ||||||||
6169 | case OMPD_end_declare_target: | ||||||||
6170 | case OMPD_threadprivate: | ||||||||
6171 | case OMPD_allocate: | ||||||||
6172 | case OMPD_declare_reduction: | ||||||||
6173 | case OMPD_declare_mapper: | ||||||||
6174 | case OMPD_declare_simd: | ||||||||
6175 | case OMPD_requires: | ||||||||
6176 | case OMPD_declare_variant: | ||||||||
6177 | case OMPD_begin_declare_variant: | ||||||||
6178 | case OMPD_end_declare_variant: | ||||||||
6179 | llvm_unreachable("OpenMP Directive is not allowed")__builtin_unreachable(); | ||||||||
6180 | case OMPD_unknown: | ||||||||
6181 | default: | ||||||||
6182 | llvm_unreachable("Unknown OpenMP directive")__builtin_unreachable(); | ||||||||
6183 | } | ||||||||
6184 | |||||||||
6185 | ErrorFound = Res.isInvalid() || ErrorFound; | ||||||||
6186 | |||||||||
6187 | // Check variables in the clauses if default(none) or | ||||||||
6188 | // default(firstprivate) was specified. | ||||||||
6189 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_none || | ||||||||
6190 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_firstprivate) { | ||||||||
6191 | DSAAttrChecker DSAChecker(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), *this, nullptr); | ||||||||
6192 | for (OMPClause *C : Clauses) { | ||||||||
6193 | switch (C->getClauseKind()) { | ||||||||
6194 | case OMPC_num_threads: | ||||||||
6195 | case OMPC_dist_schedule: | ||||||||
6196 | // Do not analyse if no parent teams directive. | ||||||||
6197 | if (isOpenMPTeamsDirective(Kind)) | ||||||||
6198 | break; | ||||||||
6199 | continue; | ||||||||
6200 | case OMPC_if: | ||||||||
6201 | if (isOpenMPTeamsDirective(Kind) && | ||||||||
6202 | cast<OMPIfClause>(C)->getNameModifier() != OMPD_target) | ||||||||
6203 | break; | ||||||||
6204 | if (isOpenMPParallelDirective(Kind) && | ||||||||
6205 | isOpenMPTaskLoopDirective(Kind) && | ||||||||
6206 | cast<OMPIfClause>(C)->getNameModifier() != OMPD_parallel) | ||||||||
6207 | break; | ||||||||
6208 | continue; | ||||||||
6209 | case OMPC_schedule: | ||||||||
6210 | case OMPC_detach: | ||||||||
6211 | break; | ||||||||
6212 | case OMPC_grainsize: | ||||||||
6213 | case OMPC_num_tasks: | ||||||||
6214 | case OMPC_final: | ||||||||
6215 | case OMPC_priority: | ||||||||
6216 | case OMPC_novariants: | ||||||||
6217 | case OMPC_nocontext: | ||||||||
6218 | // Do not analyze if no parent parallel directive. | ||||||||
6219 | if (isOpenMPParallelDirective(Kind)) | ||||||||
6220 | break; | ||||||||
6221 | continue; | ||||||||
6222 | case OMPC_ordered: | ||||||||
6223 | case OMPC_device: | ||||||||
6224 | case OMPC_num_teams: | ||||||||
6225 | case OMPC_thread_limit: | ||||||||
6226 | case OMPC_hint: | ||||||||
6227 | case OMPC_collapse: | ||||||||
6228 | case OMPC_safelen: | ||||||||
6229 | case OMPC_simdlen: | ||||||||
6230 | case OMPC_sizes: | ||||||||
6231 | case OMPC_default: | ||||||||
6232 | case OMPC_proc_bind: | ||||||||
6233 | case OMPC_private: | ||||||||
6234 | case OMPC_firstprivate: | ||||||||
6235 | case OMPC_lastprivate: | ||||||||
6236 | case OMPC_shared: | ||||||||
6237 | case OMPC_reduction: | ||||||||
6238 | case OMPC_task_reduction: | ||||||||
6239 | case OMPC_in_reduction: | ||||||||
6240 | case OMPC_linear: | ||||||||
6241 | case OMPC_aligned: | ||||||||
6242 | case OMPC_copyin: | ||||||||
6243 | case OMPC_copyprivate: | ||||||||
6244 | case OMPC_nowait: | ||||||||
6245 | case OMPC_untied: | ||||||||
6246 | case OMPC_mergeable: | ||||||||
6247 | case OMPC_allocate: | ||||||||
6248 | case OMPC_read: | ||||||||
6249 | case OMPC_write: | ||||||||
6250 | case OMPC_update: | ||||||||
6251 | case OMPC_capture: | ||||||||
6252 | case OMPC_seq_cst: | ||||||||
6253 | case OMPC_acq_rel: | ||||||||
6254 | case OMPC_acquire: | ||||||||
6255 | case OMPC_release: | ||||||||
6256 | case OMPC_relaxed: | ||||||||
6257 | case OMPC_depend: | ||||||||
6258 | case OMPC_threads: | ||||||||
6259 | case OMPC_simd: | ||||||||
6260 | case OMPC_map: | ||||||||
6261 | case OMPC_nogroup: | ||||||||
6262 | case OMPC_defaultmap: | ||||||||
6263 | case OMPC_to: | ||||||||
6264 | case OMPC_from: | ||||||||
6265 | case OMPC_use_device_ptr: | ||||||||
6266 | case OMPC_use_device_addr: | ||||||||
6267 | case OMPC_is_device_ptr: | ||||||||
6268 | case OMPC_nontemporal: | ||||||||
6269 | case OMPC_order: | ||||||||
6270 | case OMPC_destroy: | ||||||||
6271 | case OMPC_inclusive: | ||||||||
6272 | case OMPC_exclusive: | ||||||||
6273 | case OMPC_uses_allocators: | ||||||||
6274 | case OMPC_affinity: | ||||||||
6275 | continue; | ||||||||
6276 | case OMPC_allocator: | ||||||||
6277 | case OMPC_flush: | ||||||||
6278 | case OMPC_depobj: | ||||||||
6279 | case OMPC_threadprivate: | ||||||||
6280 | case OMPC_uniform: | ||||||||
6281 | case OMPC_unknown: | ||||||||
6282 | case OMPC_unified_address: | ||||||||
6283 | case OMPC_unified_shared_memory: | ||||||||
6284 | case OMPC_reverse_offload: | ||||||||
6285 | case OMPC_dynamic_allocators: | ||||||||
6286 | case OMPC_atomic_default_mem_order: | ||||||||
6287 | case OMPC_device_type: | ||||||||
6288 | case OMPC_match: | ||||||||
6289 | default: | ||||||||
6290 | llvm_unreachable("Unexpected clause")__builtin_unreachable(); | ||||||||
6291 | } | ||||||||
6292 | for (Stmt *CC : C->children()) { | ||||||||
6293 | if (CC) | ||||||||
6294 | DSAChecker.Visit(CC); | ||||||||
6295 | } | ||||||||
6296 | } | ||||||||
6297 | for (const auto &P : DSAChecker.getVarsWithInheritedDSA()) | ||||||||
6298 | VarsWithInheritedDSA[P.getFirst()] = P.getSecond(); | ||||||||
6299 | } | ||||||||
6300 | for (const auto &P : VarsWithInheritedDSA) { | ||||||||
6301 | if (P.getFirst()->isImplicit() || isa<OMPCapturedExprDecl>(P.getFirst())) | ||||||||
6302 | continue; | ||||||||
6303 | ErrorFound = true; | ||||||||
6304 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_none || | ||||||||
6305 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSA() == DSA_firstprivate) { | ||||||||
6306 | Diag(P.second->getExprLoc(), diag::err_omp_no_dsa_for_variable) | ||||||||
6307 | << P.first << P.second->getSourceRange(); | ||||||||
6308 | Diag(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSALocation(), diag::note_omp_default_dsa_none); | ||||||||
6309 | } else if (getLangOpts().OpenMP >= 50) { | ||||||||
6310 | Diag(P.second->getExprLoc(), | ||||||||
6311 | diag::err_omp_defaultmap_no_attr_for_variable) | ||||||||
6312 | << P.first << P.second->getSourceRange(); | ||||||||
6313 | Diag(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDSALocation(), | ||||||||
6314 | diag::note_omp_defaultmap_attr_none); | ||||||||
6315 | } | ||||||||
6316 | } | ||||||||
6317 | |||||||||
6318 | if (!AllowedNameModifiers.empty()) | ||||||||
6319 | ErrorFound = checkIfClauses(*this, Kind, Clauses, AllowedNameModifiers) || | ||||||||
6320 | ErrorFound; | ||||||||
6321 | |||||||||
6322 | if (ErrorFound) | ||||||||
6323 | return StmtError(); | ||||||||
6324 | |||||||||
6325 | if (!CurContext->isDependentContext() && | ||||||||
6326 | isOpenMPTargetExecutionDirective(Kind) && | ||||||||
6327 | !(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPUnifiedSharedMemoryClause>() || | ||||||||
6328 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPUnifiedAddressClause>() || | ||||||||
6329 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPReverseOffloadClause>() || | ||||||||
6330 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPDynamicAllocatorsClause>())) { | ||||||||
6331 | // Register target to DSA Stack. | ||||||||
6332 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addTargetDirLocation(StartLoc); | ||||||||
6333 | } | ||||||||
6334 | |||||||||
6335 | return Res; | ||||||||
6336 | } | ||||||||
6337 | |||||||||
6338 | Sema::DeclGroupPtrTy Sema::ActOnOpenMPDeclareSimdDirective( | ||||||||
6339 | DeclGroupPtrTy DG, OMPDeclareSimdDeclAttr::BranchStateTy BS, Expr *Simdlen, | ||||||||
6340 | ArrayRef<Expr *> Uniforms, ArrayRef<Expr *> Aligneds, | ||||||||
6341 | ArrayRef<Expr *> Alignments, ArrayRef<Expr *> Linears, | ||||||||
6342 | ArrayRef<unsigned> LinModifiers, ArrayRef<Expr *> Steps, SourceRange SR) { | ||||||||
6343 | assert(Aligneds.size() == Alignments.size())((void)0); | ||||||||
6344 | assert(Linears.size() == LinModifiers.size())((void)0); | ||||||||
6345 | assert(Linears.size() == Steps.size())((void)0); | ||||||||
6346 | if (!DG || DG.get().isNull()) | ||||||||
6347 | return DeclGroupPtrTy(); | ||||||||
6348 | |||||||||
6349 | const int SimdId = 0; | ||||||||
6350 | if (!DG.get().isSingleDecl()) { | ||||||||
6351 | Diag(SR.getBegin(), diag::err_omp_single_decl_in_declare_simd_variant) | ||||||||
6352 | << SimdId; | ||||||||
6353 | return DG; | ||||||||
6354 | } | ||||||||
6355 | Decl *ADecl = DG.get().getSingleDecl(); | ||||||||
6356 | if (auto *FTD = dyn_cast<FunctionTemplateDecl>(ADecl)) | ||||||||
6357 | ADecl = FTD->getTemplatedDecl(); | ||||||||
6358 | |||||||||
6359 | auto *FD = dyn_cast<FunctionDecl>(ADecl); | ||||||||
6360 | if (!FD) { | ||||||||
6361 | Diag(ADecl->getLocation(), diag::err_omp_function_expected) << SimdId; | ||||||||
6362 | return DeclGroupPtrTy(); | ||||||||
6363 | } | ||||||||
6364 | |||||||||
6365 | // OpenMP [2.8.2, declare simd construct, Description] | ||||||||
6366 | // The parameter of the simdlen clause must be a constant positive integer | ||||||||
6367 | // expression. | ||||||||
6368 | ExprResult SL; | ||||||||
6369 | if (Simdlen) | ||||||||
6370 | SL = VerifyPositiveIntegerConstantInClause(Simdlen, OMPC_simdlen); | ||||||||
6371 | // OpenMP [2.8.2, declare simd construct, Description] | ||||||||
6372 | // The special this pointer can be used as if was one of the arguments to the | ||||||||
6373 | // function in any of the linear, aligned, or uniform clauses. | ||||||||
6374 | // The uniform clause declares one or more arguments to have an invariant | ||||||||
6375 | // value for all concurrent invocations of the function in the execution of a | ||||||||
6376 | // single SIMD loop. | ||||||||
6377 | llvm::DenseMap<const Decl *, const Expr *> UniformedArgs; | ||||||||
6378 | const Expr *UniformedLinearThis = nullptr; | ||||||||
6379 | for (const Expr *E : Uniforms) { | ||||||||
6380 | E = E->IgnoreParenImpCasts(); | ||||||||
6381 | if (const auto *DRE = dyn_cast<DeclRefExpr>(E)) | ||||||||
6382 | if (const auto *PVD = dyn_cast<ParmVarDecl>(DRE->getDecl())) | ||||||||
6383 | if (FD->getNumParams() > PVD->getFunctionScopeIndex() && | ||||||||
6384 | FD->getParamDecl(PVD->getFunctionScopeIndex()) | ||||||||
6385 | ->getCanonicalDecl() == PVD->getCanonicalDecl()) { | ||||||||
6386 | UniformedArgs.try_emplace(PVD->getCanonicalDecl(), E); | ||||||||
6387 | continue; | ||||||||
6388 | } | ||||||||
6389 | if (isa<CXXThisExpr>(E)) { | ||||||||
6390 | UniformedLinearThis = E; | ||||||||
6391 | continue; | ||||||||
6392 | } | ||||||||
6393 | Diag(E->getExprLoc(), diag::err_omp_param_or_this_in_clause) | ||||||||
6394 | << FD->getDeclName() << (isa<CXXMethodDecl>(ADecl) ? 1 : 0); | ||||||||
6395 | } | ||||||||
6396 | // OpenMP [2.8.2, declare simd construct, Description] | ||||||||
6397 | // The aligned clause declares that the object to which each list item points | ||||||||
6398 | // is aligned to the number of bytes expressed in the optional parameter of | ||||||||
6399 | // the aligned clause. | ||||||||
6400 | // The special this pointer can be used as if was one of the arguments to the | ||||||||
6401 | // function in any of the linear, aligned, or uniform clauses. | ||||||||
6402 | // The type of list items appearing in the aligned clause must be array, | ||||||||
6403 | // pointer, reference to array, or reference to pointer. | ||||||||
6404 | llvm::DenseMap<const Decl *, const Expr *> AlignedArgs; | ||||||||
6405 | const Expr *AlignedThis = nullptr; | ||||||||
6406 | for (const Expr *E : Aligneds) { | ||||||||
6407 | E = E->IgnoreParenImpCasts(); | ||||||||
6408 | if (const auto *DRE = dyn_cast<DeclRefExpr>(E)) | ||||||||
6409 | if (const auto *PVD = dyn_cast<ParmVarDecl>(DRE->getDecl())) { | ||||||||
6410 | const VarDecl *CanonPVD = PVD->getCanonicalDecl(); | ||||||||
6411 | if (FD->getNumParams() > PVD->getFunctionScopeIndex() && | ||||||||
6412 | FD->getParamDecl(PVD->getFunctionScopeIndex()) | ||||||||
6413 | ->getCanonicalDecl() == CanonPVD) { | ||||||||
6414 | // OpenMP [2.8.1, simd construct, Restrictions] | ||||||||
6415 | // A list-item cannot appear in more than one aligned clause. | ||||||||
6416 | if (AlignedArgs.count(CanonPVD) > 0) { | ||||||||
6417 | Diag(E->getExprLoc(), diag::err_omp_used_in_clause_twice) | ||||||||
6418 | << 1 << getOpenMPClauseName(OMPC_aligned) | ||||||||
6419 | << E->getSourceRange(); | ||||||||
6420 | Diag(AlignedArgs[CanonPVD]->getExprLoc(), | ||||||||
6421 | diag::note_omp_explicit_dsa) | ||||||||
6422 | << getOpenMPClauseName(OMPC_aligned); | ||||||||
6423 | continue; | ||||||||
6424 | } | ||||||||
6425 | AlignedArgs[CanonPVD] = E; | ||||||||
6426 | QualType QTy = PVD->getType() | ||||||||
6427 | .getNonReferenceType() | ||||||||
6428 | .getUnqualifiedType() | ||||||||
6429 | .getCanonicalType(); | ||||||||
6430 | const Type *Ty = QTy.getTypePtrOrNull(); | ||||||||
6431 | if (!Ty || (!Ty->isArrayType() && !Ty->isPointerType())) { | ||||||||
6432 | Diag(E->getExprLoc(), diag::err_omp_aligned_expected_array_or_ptr) | ||||||||
6433 | << QTy << getLangOpts().CPlusPlus << E->getSourceRange(); | ||||||||
6434 | Diag(PVD->getLocation(), diag::note_previous_decl) << PVD; | ||||||||
6435 | } | ||||||||
6436 | continue; | ||||||||
6437 | } | ||||||||
6438 | } | ||||||||
6439 | if (isa<CXXThisExpr>(E)) { | ||||||||
6440 | if (AlignedThis) { | ||||||||
6441 | Diag(E->getExprLoc(), diag::err_omp_used_in_clause_twice) | ||||||||
6442 | << 2 << getOpenMPClauseName(OMPC_aligned) << E->getSourceRange(); | ||||||||
6443 | Diag(AlignedThis->getExprLoc(), diag::note_omp_explicit_dsa) | ||||||||
6444 | << getOpenMPClauseName(OMPC_aligned); | ||||||||
6445 | } | ||||||||
6446 | AlignedThis = E; | ||||||||
6447 | continue; | ||||||||
6448 | } | ||||||||
6449 | Diag(E->getExprLoc(), diag::err_omp_param_or_this_in_clause) | ||||||||
6450 | << FD->getDeclName() << (isa<CXXMethodDecl>(ADecl) ? 1 : 0); | ||||||||
6451 | } | ||||||||
6452 | // The optional parameter of the aligned clause, alignment, must be a constant | ||||||||
6453 | // positive integer expression. If no optional parameter is specified, | ||||||||
6454 | // implementation-defined default alignments for SIMD instructions on the | ||||||||
6455 | // target platforms are assumed. | ||||||||
6456 | SmallVector<const Expr *, 4> NewAligns; | ||||||||
6457 | for (Expr *E : Alignments) { | ||||||||
6458 | ExprResult Align; | ||||||||
6459 | if (E) | ||||||||
6460 | Align = VerifyPositiveIntegerConstantInClause(E, OMPC_aligned); | ||||||||
6461 | NewAligns.push_back(Align.get()); | ||||||||
6462 | } | ||||||||
6463 | // OpenMP [2.8.2, declare simd construct, Description] | ||||||||
6464 | // The linear clause declares one or more list items to be private to a SIMD | ||||||||
6465 | // lane and to have a linear relationship with respect to the iteration space | ||||||||
6466 | // of a loop. | ||||||||
6467 | // The special this pointer can be used as if was one of the arguments to the | ||||||||
6468 | // function in any of the linear, aligned, or uniform clauses. | ||||||||
6469 | // When a linear-step expression is specified in a linear clause it must be | ||||||||
6470 | // either a constant integer expression or an integer-typed parameter that is | ||||||||
6471 | // specified in a uniform clause on the directive. | ||||||||
6472 | llvm::DenseMap<const Decl *, const Expr *> LinearArgs; | ||||||||
6473 | const bool IsUniformedThis = UniformedLinearThis != nullptr; | ||||||||
6474 | auto MI = LinModifiers.begin(); | ||||||||
6475 | for (const Expr *E : Linears) { | ||||||||
6476 | auto LinKind = static_cast<OpenMPLinearClauseKind>(*MI); | ||||||||
6477 | ++MI; | ||||||||
6478 | E = E->IgnoreParenImpCasts(); | ||||||||
6479 | if (const auto *DRE = dyn_cast<DeclRefExpr>(E)) | ||||||||
6480 | if (const auto *PVD = dyn_cast<ParmVarDecl>(DRE->getDecl())) { | ||||||||
6481 | const VarDecl *CanonPVD = PVD->getCanonicalDecl(); | ||||||||
6482 | if (FD->getNumParams() > PVD->getFunctionScopeIndex() && | ||||||||
6483 | FD->getParamDecl(PVD->getFunctionScopeIndex()) | ||||||||
6484 | ->getCanonicalDecl() == CanonPVD) { | ||||||||
6485 | // OpenMP [2.15.3.7, linear Clause, Restrictions] | ||||||||
6486 | // A list-item cannot appear in more than one linear clause. | ||||||||
6487 | if (LinearArgs.count(CanonPVD) > 0) { | ||||||||
6488 | Diag(E->getExprLoc(), diag::err_omp_wrong_dsa) | ||||||||
6489 | << getOpenMPClauseName(OMPC_linear) | ||||||||
6490 | << getOpenMPClauseName(OMPC_linear) << E->getSourceRange(); | ||||||||
6491 | Diag(LinearArgs[CanonPVD]->getExprLoc(), | ||||||||
6492 | diag::note_omp_explicit_dsa) | ||||||||
6493 | << getOpenMPClauseName(OMPC_linear); | ||||||||
6494 | continue; | ||||||||
6495 | } | ||||||||
6496 | // Each argument can appear in at most one uniform or linear clause. | ||||||||
6497 | if (UniformedArgs.count(CanonPVD) > 0) { | ||||||||
6498 | Diag(E->getExprLoc(), diag::err_omp_wrong_dsa) | ||||||||
6499 | << getOpenMPClauseName(OMPC_linear) | ||||||||
6500 | << getOpenMPClauseName(OMPC_uniform) << E->getSourceRange(); | ||||||||
6501 | Diag(UniformedArgs[CanonPVD]->getExprLoc(), | ||||||||
6502 | diag::note_omp_explicit_dsa) | ||||||||
6503 | << getOpenMPClauseName(OMPC_uniform); | ||||||||
6504 | continue; | ||||||||
6505 | } | ||||||||
6506 | LinearArgs[CanonPVD] = E; | ||||||||
6507 | if (E->isValueDependent() || E->isTypeDependent() || | ||||||||
6508 | E->isInstantiationDependent() || | ||||||||
6509 | E->containsUnexpandedParameterPack()) | ||||||||
6510 | continue; | ||||||||
6511 | (void)CheckOpenMPLinearDecl(CanonPVD, E->getExprLoc(), LinKind, | ||||||||
6512 | PVD->getOriginalType(), | ||||||||
6513 | /*IsDeclareSimd=*/true); | ||||||||
6514 | continue; | ||||||||
6515 | } | ||||||||
6516 | } | ||||||||
6517 | if (isa<CXXThisExpr>(E)) { | ||||||||
6518 | if (UniformedLinearThis) { | ||||||||
6519 | Diag(E->getExprLoc(), diag::err_omp_wrong_dsa) | ||||||||
6520 | << getOpenMPClauseName(OMPC_linear) | ||||||||
6521 | << getOpenMPClauseName(IsUniformedThis ? OMPC_uniform : OMPC_linear) | ||||||||
6522 | << E->getSourceRange(); | ||||||||
6523 | Diag(UniformedLinearThis->getExprLoc(), diag::note_omp_explicit_dsa) | ||||||||
6524 | << getOpenMPClauseName(IsUniformedThis ? OMPC_uniform | ||||||||
6525 | : OMPC_linear); | ||||||||
6526 | continue; | ||||||||
6527 | } | ||||||||
6528 | UniformedLinearThis = E; | ||||||||
6529 | if (E->isValueDependent() || E->isTypeDependent() || | ||||||||
6530 | E->isInstantiationDependent() || E->containsUnexpandedParameterPack()) | ||||||||
6531 | continue; | ||||||||
6532 | (void)CheckOpenMPLinearDecl(/*D=*/nullptr, E->getExprLoc(), LinKind, | ||||||||
6533 | E->getType(), /*IsDeclareSimd=*/true); | ||||||||
6534 | continue; | ||||||||
6535 | } | ||||||||
6536 | Diag(E->getExprLoc(), diag::err_omp_param_or_this_in_clause) | ||||||||
6537 | << FD->getDeclName() << (isa<CXXMethodDecl>(ADecl) ? 1 : 0); | ||||||||
6538 | } | ||||||||
6539 | Expr *Step = nullptr; | ||||||||
6540 | Expr *NewStep = nullptr; | ||||||||
6541 | SmallVector<Expr *, 4> NewSteps; | ||||||||
6542 | for (Expr *E : Steps) { | ||||||||
6543 | // Skip the same step expression, it was checked already. | ||||||||
6544 | if (Step == E || !E) { | ||||||||
6545 | NewSteps.push_back(E ? NewStep : nullptr); | ||||||||
6546 | continue; | ||||||||
6547 | } | ||||||||
6548 | Step = E; | ||||||||
6549 | if (const auto *DRE = dyn_cast<DeclRefExpr>(Step)) | ||||||||
6550 | if (const auto *PVD = dyn_cast<ParmVarDecl>(DRE->getDecl())) { | ||||||||
6551 | const VarDecl *CanonPVD = PVD->getCanonicalDecl(); | ||||||||
6552 | if (UniformedArgs.count(CanonPVD) == 0) { | ||||||||
6553 | Diag(Step->getExprLoc(), diag::err_omp_expected_uniform_param) | ||||||||
6554 | << Step->getSourceRange(); | ||||||||
6555 | } else if (E->isValueDependent() || E->isTypeDependent() || | ||||||||
6556 | E->isInstantiationDependent() || | ||||||||
6557 | E->containsUnexpandedParameterPack() || | ||||||||
6558 | CanonPVD->getType()->hasIntegerRepresentation()) { | ||||||||
6559 | NewSteps.push_back(Step); | ||||||||
6560 | } else { | ||||||||
6561 | Diag(Step->getExprLoc(), diag::err_omp_expected_int_param) | ||||||||
6562 | << Step->getSourceRange(); | ||||||||
6563 | } | ||||||||
6564 | continue; | ||||||||
6565 | } | ||||||||
6566 | NewStep = Step; | ||||||||
6567 | if (Step && !Step->isValueDependent() && !Step->isTypeDependent() && | ||||||||
6568 | !Step->isInstantiationDependent() && | ||||||||
6569 | !Step->containsUnexpandedParameterPack()) { | ||||||||
6570 | NewStep = PerformOpenMPImplicitIntegerConversion(Step->getExprLoc(), Step) | ||||||||
6571 | .get(); | ||||||||
6572 | if (NewStep) | ||||||||
6573 | NewStep = | ||||||||
6574 | VerifyIntegerConstantExpression(NewStep, /*FIXME*/ AllowFold).get(); | ||||||||
6575 | } | ||||||||
6576 | NewSteps.push_back(NewStep); | ||||||||
6577 | } | ||||||||
6578 | auto *NewAttr = OMPDeclareSimdDeclAttr::CreateImplicit( | ||||||||
6579 | Context, BS, SL.get(), const_cast<Expr **>(Uniforms.data()), | ||||||||
6580 | Uniforms.size(), const_cast<Expr **>(Aligneds.data()), Aligneds.size(), | ||||||||
6581 | const_cast<Expr **>(NewAligns.data()), NewAligns.size(), | ||||||||
6582 | const_cast<Expr **>(Linears.data()), Linears.size(), | ||||||||
6583 | const_cast<unsigned *>(LinModifiers.data()), LinModifiers.size(), | ||||||||
6584 | NewSteps.data(), NewSteps.size(), SR); | ||||||||
6585 | ADecl->addAttr(NewAttr); | ||||||||
6586 | return DG; | ||||||||
6587 | } | ||||||||
6588 | |||||||||
6589 | static void setPrototype(Sema &S, FunctionDecl *FD, FunctionDecl *FDWithProto, | ||||||||
6590 | QualType NewType) { | ||||||||
6591 | assert(NewType->isFunctionProtoType() &&((void)0) | ||||||||
6592 | "Expected function type with prototype.")((void)0); | ||||||||
6593 | assert(FD->getType()->isFunctionNoProtoType() &&((void)0) | ||||||||
6594 | "Expected function with type with no prototype.")((void)0); | ||||||||
6595 | assert(FDWithProto->getType()->isFunctionProtoType() &&((void)0) | ||||||||
6596 | "Expected function with prototype.")((void)0); | ||||||||
6597 | // Synthesize parameters with the same types. | ||||||||
6598 | FD->setType(NewType); | ||||||||
6599 | SmallVector<ParmVarDecl *, 16> Params; | ||||||||
6600 | for (const ParmVarDecl *P : FDWithProto->parameters()) { | ||||||||
6601 | auto *Param = ParmVarDecl::Create(S.getASTContext(), FD, SourceLocation(), | ||||||||
6602 | SourceLocation(), nullptr, P->getType(), | ||||||||
6603 | /*TInfo=*/nullptr, SC_None, nullptr); | ||||||||
6604 | Param->setScopeInfo(0, Params.size()); | ||||||||
6605 | Param->setImplicit(); | ||||||||
6606 | Params.push_back(Param); | ||||||||
6607 | } | ||||||||
6608 | |||||||||
6609 | FD->setParams(Params); | ||||||||
6610 | } | ||||||||
6611 | |||||||||
6612 | void Sema::ActOnFinishedFunctionDefinitionInOpenMPAssumeScope(Decl *D) { | ||||||||
6613 | if (D->isInvalidDecl()) | ||||||||
6614 | return; | ||||||||
6615 | FunctionDecl *FD = nullptr; | ||||||||
6616 | if (auto *UTemplDecl = dyn_cast<FunctionTemplateDecl>(D)) | ||||||||
6617 | FD = UTemplDecl->getTemplatedDecl(); | ||||||||
6618 | else | ||||||||
6619 | FD = cast<FunctionDecl>(D); | ||||||||
6620 | assert(FD && "Expected a function declaration!")((void)0); | ||||||||
6621 | |||||||||
6622 | // If we are intantiating templates we do *not* apply scoped assumptions but | ||||||||
6623 | // only global ones. We apply scoped assumption to the template definition | ||||||||
6624 | // though. | ||||||||
6625 | if (!inTemplateInstantiation()) { | ||||||||
6626 | for (AssumptionAttr *AA : OMPAssumeScoped) | ||||||||
6627 | FD->addAttr(AA); | ||||||||
6628 | } | ||||||||
6629 | for (AssumptionAttr *AA : OMPAssumeGlobal) | ||||||||
6630 | FD->addAttr(AA); | ||||||||
6631 | } | ||||||||
6632 | |||||||||
6633 | Sema::OMPDeclareVariantScope::OMPDeclareVariantScope(OMPTraitInfo &TI) | ||||||||
6634 | : TI(&TI), NameSuffix(TI.getMangledName()) {} | ||||||||
6635 | |||||||||
6636 | void Sema::ActOnStartOfFunctionDefinitionInOpenMPDeclareVariantScope( | ||||||||
6637 | Scope *S, Declarator &D, MultiTemplateParamsArg TemplateParamLists, | ||||||||
6638 | SmallVectorImpl<FunctionDecl *> &Bases) { | ||||||||
6639 | if (!D.getIdentifier()) | ||||||||
6640 | return; | ||||||||
6641 | |||||||||
6642 | OMPDeclareVariantScope &DVScope = OMPDeclareVariantScopes.back(); | ||||||||
6643 | |||||||||
6644 | // Template specialization is an extension, check if we do it. | ||||||||
6645 | bool IsTemplated = !TemplateParamLists.empty(); | ||||||||
6646 | if (IsTemplated & | ||||||||
6647 | !DVScope.TI->isExtensionActive( | ||||||||
6648 | llvm::omp::TraitProperty::implementation_extension_allow_templates)) | ||||||||
6649 | return; | ||||||||
6650 | |||||||||
6651 | IdentifierInfo *BaseII = D.getIdentifier(); | ||||||||
6652 | LookupResult Lookup(*this, DeclarationName(BaseII), D.getIdentifierLoc(), | ||||||||
6653 | LookupOrdinaryName); | ||||||||
6654 | LookupParsedName(Lookup, S, &D.getCXXScopeSpec()); | ||||||||
6655 | |||||||||
6656 | TypeSourceInfo *TInfo = GetTypeForDeclarator(D, S); | ||||||||
6657 | QualType FType = TInfo->getType(); | ||||||||
6658 | |||||||||
6659 | bool IsConstexpr = | ||||||||
6660 | D.getDeclSpec().getConstexprSpecifier() == ConstexprSpecKind::Constexpr; | ||||||||
6661 | bool IsConsteval = | ||||||||
6662 | D.getDeclSpec().getConstexprSpecifier() == ConstexprSpecKind::Consteval; | ||||||||
6663 | |||||||||
6664 | for (auto *Candidate : Lookup) { | ||||||||
6665 | auto *CandidateDecl = Candidate->getUnderlyingDecl(); | ||||||||
6666 | FunctionDecl *UDecl = nullptr; | ||||||||
6667 | if (IsTemplated && isa<FunctionTemplateDecl>(CandidateDecl)) | ||||||||
6668 | UDecl = cast<FunctionTemplateDecl>(CandidateDecl)->getTemplatedDecl(); | ||||||||
6669 | else if (!IsTemplated) | ||||||||
6670 | UDecl = dyn_cast<FunctionDecl>(CandidateDecl); | ||||||||
6671 | if (!UDecl) | ||||||||
6672 | continue; | ||||||||
6673 | |||||||||
6674 | // Don't specialize constexpr/consteval functions with | ||||||||
6675 | // non-constexpr/consteval functions. | ||||||||
6676 | if (UDecl->isConstexpr() && !IsConstexpr) | ||||||||
6677 | continue; | ||||||||
6678 | if (UDecl->isConsteval() && !IsConsteval) | ||||||||
6679 | continue; | ||||||||
6680 | |||||||||
6681 | QualType UDeclTy = UDecl->getType(); | ||||||||
6682 | if (!UDeclTy->isDependentType()) { | ||||||||
6683 | QualType NewType = Context.mergeFunctionTypes( | ||||||||
6684 | FType, UDeclTy, /* OfBlockPointer */ false, | ||||||||
6685 | /* Unqualified */ false, /* AllowCXX */ true); | ||||||||
6686 | if (NewType.isNull()) | ||||||||
6687 | continue; | ||||||||
6688 | } | ||||||||
6689 | |||||||||
6690 | // Found a base! | ||||||||
6691 | Bases.push_back(UDecl); | ||||||||
6692 | } | ||||||||
6693 | |||||||||
6694 | bool UseImplicitBase = !DVScope.TI->isExtensionActive( | ||||||||
6695 | llvm::omp::TraitProperty::implementation_extension_disable_implicit_base); | ||||||||
6696 | // If no base was found we create a declaration that we use as base. | ||||||||
6697 | if (Bases.empty() && UseImplicitBase) { | ||||||||
6698 | D.setFunctionDefinitionKind(FunctionDefinitionKind::Declaration); | ||||||||
6699 | Decl *BaseD = HandleDeclarator(S, D, TemplateParamLists); | ||||||||
6700 | BaseD->setImplicit(true); | ||||||||
6701 | if (auto *BaseTemplD = dyn_cast<FunctionTemplateDecl>(BaseD)) | ||||||||
6702 | Bases.push_back(BaseTemplD->getTemplatedDecl()); | ||||||||
6703 | else | ||||||||
6704 | Bases.push_back(cast<FunctionDecl>(BaseD)); | ||||||||
6705 | } | ||||||||
6706 | |||||||||
6707 | std::string MangledName; | ||||||||
6708 | MangledName += D.getIdentifier()->getName(); | ||||||||
6709 | MangledName += getOpenMPVariantManglingSeparatorStr(); | ||||||||
6710 | MangledName += DVScope.NameSuffix; | ||||||||
6711 | IdentifierInfo &VariantII = Context.Idents.get(MangledName); | ||||||||
6712 | |||||||||
6713 | VariantII.setMangledOpenMPVariantName(true); | ||||||||
6714 | D.SetIdentifier(&VariantII, D.getBeginLoc()); | ||||||||
6715 | } | ||||||||
6716 | |||||||||
6717 | void Sema::ActOnFinishedFunctionDefinitionInOpenMPDeclareVariantScope( | ||||||||
6718 | Decl *D, SmallVectorImpl<FunctionDecl *> &Bases) { | ||||||||
6719 | // Do not mark function as is used to prevent its emission if this is the | ||||||||
6720 | // only place where it is used. | ||||||||
6721 | EnterExpressionEvaluationContext Unevaluated( | ||||||||
6722 | *this, Sema::ExpressionEvaluationContext::Unevaluated); | ||||||||
6723 | |||||||||
6724 | FunctionDecl *FD = nullptr; | ||||||||
6725 | if (auto *UTemplDecl = dyn_cast<FunctionTemplateDecl>(D)) | ||||||||
6726 | FD = UTemplDecl->getTemplatedDecl(); | ||||||||
6727 | else | ||||||||
6728 | FD = cast<FunctionDecl>(D); | ||||||||
6729 | auto *VariantFuncRef = DeclRefExpr::Create( | ||||||||
6730 | Context, NestedNameSpecifierLoc(), SourceLocation(), FD, | ||||||||
6731 | /* RefersToEnclosingVariableOrCapture */ false, | ||||||||
6732 | /* NameLoc */ FD->getLocation(), FD->getType(), | ||||||||
6733 | ExprValueKind::VK_PRValue); | ||||||||
6734 | |||||||||
6735 | OMPDeclareVariantScope &DVScope = OMPDeclareVariantScopes.back(); | ||||||||
6736 | auto *OMPDeclareVariantA = OMPDeclareVariantAttr::CreateImplicit( | ||||||||
6737 | Context, VariantFuncRef, DVScope.TI); | ||||||||
6738 | for (FunctionDecl *BaseFD : Bases) | ||||||||
6739 | BaseFD->addAttr(OMPDeclareVariantA); | ||||||||
6740 | } | ||||||||
6741 | |||||||||
6742 | ExprResult Sema::ActOnOpenMPCall(ExprResult Call, Scope *Scope, | ||||||||
6743 | SourceLocation LParenLoc, | ||||||||
6744 | MultiExprArg ArgExprs, | ||||||||
6745 | SourceLocation RParenLoc, Expr *ExecConfig) { | ||||||||
6746 | // The common case is a regular call we do not want to specialize at all. Try | ||||||||
6747 | // to make that case fast by bailing early. | ||||||||
6748 | CallExpr *CE = dyn_cast<CallExpr>(Call.get()); | ||||||||
6749 | if (!CE) | ||||||||
6750 | return Call; | ||||||||
6751 | |||||||||
6752 | FunctionDecl *CalleeFnDecl = CE->getDirectCallee(); | ||||||||
6753 | if (!CalleeFnDecl) | ||||||||
6754 | return Call; | ||||||||
6755 | |||||||||
6756 | if (!CalleeFnDecl->hasAttr<OMPDeclareVariantAttr>()) | ||||||||
6757 | return Call; | ||||||||
6758 | |||||||||
6759 | ASTContext &Context = getASTContext(); | ||||||||
6760 | std::function<void(StringRef)> DiagUnknownTrait = [this, | ||||||||
6761 | CE](StringRef ISATrait) { | ||||||||
6762 | // TODO Track the selector locations in a way that is accessible here to | ||||||||
6763 | // improve the diagnostic location. | ||||||||
6764 | Diag(CE->getBeginLoc(), diag::warn_unknown_declare_variant_isa_trait) | ||||||||
6765 | << ISATrait; | ||||||||
6766 | }; | ||||||||
6767 | TargetOMPContext OMPCtx(Context, std::move(DiagUnknownTrait), | ||||||||
6768 | getCurFunctionDecl()); | ||||||||
6769 | |||||||||
6770 | QualType CalleeFnType = CalleeFnDecl->getType(); | ||||||||
6771 | |||||||||
6772 | SmallVector<Expr *, 4> Exprs; | ||||||||
6773 | SmallVector<VariantMatchInfo, 4> VMIs; | ||||||||
6774 | while (CalleeFnDecl) { | ||||||||
6775 | for (OMPDeclareVariantAttr *A : | ||||||||
6776 | CalleeFnDecl->specific_attrs<OMPDeclareVariantAttr>()) { | ||||||||
6777 | Expr *VariantRef = A->getVariantFuncRef(); | ||||||||
6778 | |||||||||
6779 | VariantMatchInfo VMI; | ||||||||
6780 | OMPTraitInfo &TI = A->getTraitInfo(); | ||||||||
6781 | TI.getAsVariantMatchInfo(Context, VMI); | ||||||||
6782 | if (!isVariantApplicableInContext(VMI, OMPCtx, | ||||||||
6783 | /* DeviceSetOnly */ false)) | ||||||||
6784 | continue; | ||||||||
6785 | |||||||||
6786 | VMIs.push_back(VMI); | ||||||||
6787 | Exprs.push_back(VariantRef); | ||||||||
6788 | } | ||||||||
6789 | |||||||||
6790 | CalleeFnDecl = CalleeFnDecl->getPreviousDecl(); | ||||||||
6791 | } | ||||||||
6792 | |||||||||
6793 | ExprResult NewCall; | ||||||||
6794 | do { | ||||||||
6795 | int BestIdx = getBestVariantMatchForContext(VMIs, OMPCtx); | ||||||||
6796 | if (BestIdx < 0) | ||||||||
6797 | return Call; | ||||||||
6798 | Expr *BestExpr = cast<DeclRefExpr>(Exprs[BestIdx]); | ||||||||
6799 | Decl *BestDecl = cast<DeclRefExpr>(BestExpr)->getDecl(); | ||||||||
6800 | |||||||||
6801 | { | ||||||||
6802 | // Try to build a (member) call expression for the current best applicable | ||||||||
6803 | // variant expression. We allow this to fail in which case we continue | ||||||||
6804 | // with the next best variant expression. The fail case is part of the | ||||||||
6805 | // implementation defined behavior in the OpenMP standard when it talks | ||||||||
6806 | // about what differences in the function prototypes: "Any differences | ||||||||
6807 | // that the specific OpenMP context requires in the prototype of the | ||||||||
6808 | // variant from the base function prototype are implementation defined." | ||||||||
6809 | // This wording is there to allow the specialized variant to have a | ||||||||
6810 | // different type than the base function. This is intended and OK but if | ||||||||
6811 | // we cannot create a call the difference is not in the "implementation | ||||||||
6812 | // defined range" we allow. | ||||||||
6813 | Sema::TentativeAnalysisScope Trap(*this); | ||||||||
6814 | |||||||||
6815 | if (auto *SpecializedMethod = dyn_cast<CXXMethodDecl>(BestDecl)) { | ||||||||
6816 | auto *MemberCall = dyn_cast<CXXMemberCallExpr>(CE); | ||||||||
6817 | BestExpr = MemberExpr::CreateImplicit( | ||||||||
6818 | Context, MemberCall->getImplicitObjectArgument(), | ||||||||
6819 | /* IsArrow */ false, SpecializedMethod, Context.BoundMemberTy, | ||||||||
6820 | MemberCall->getValueKind(), MemberCall->getObjectKind()); | ||||||||
6821 | } | ||||||||
6822 | NewCall = BuildCallExpr(Scope, BestExpr, LParenLoc, ArgExprs, RParenLoc, | ||||||||
6823 | ExecConfig); | ||||||||
6824 | if (NewCall.isUsable()) { | ||||||||
6825 | if (CallExpr *NCE = dyn_cast<CallExpr>(NewCall.get())) { | ||||||||
6826 | FunctionDecl *NewCalleeFnDecl = NCE->getDirectCallee(); | ||||||||
6827 | QualType NewType = Context.mergeFunctionTypes( | ||||||||
6828 | CalleeFnType, NewCalleeFnDecl->getType(), | ||||||||
6829 | /* OfBlockPointer */ false, | ||||||||
6830 | /* Unqualified */ false, /* AllowCXX */ true); | ||||||||
6831 | if (!NewType.isNull()) | ||||||||
6832 | break; | ||||||||
6833 | // Don't use the call if the function type was not compatible. | ||||||||
6834 | NewCall = nullptr; | ||||||||
6835 | } | ||||||||
6836 | } | ||||||||
6837 | } | ||||||||
6838 | |||||||||
6839 | VMIs.erase(VMIs.begin() + BestIdx); | ||||||||
6840 | Exprs.erase(Exprs.begin() + BestIdx); | ||||||||
6841 | } while (!VMIs.empty()); | ||||||||
6842 | |||||||||
6843 | if (!NewCall.isUsable()) | ||||||||
6844 | return Call; | ||||||||
6845 | return PseudoObjectExpr::Create(Context, CE, {NewCall.get()}, 0); | ||||||||
6846 | } | ||||||||
6847 | |||||||||
6848 | Optional<std::pair<FunctionDecl *, Expr *>> | ||||||||
6849 | Sema::checkOpenMPDeclareVariantFunction(Sema::DeclGroupPtrTy DG, | ||||||||
6850 | Expr *VariantRef, OMPTraitInfo &TI, | ||||||||
6851 | SourceRange SR) { | ||||||||
6852 | if (!DG || DG.get().isNull()) | ||||||||
6853 | return None; | ||||||||
6854 | |||||||||
6855 | const int VariantId = 1; | ||||||||
6856 | // Must be applied only to single decl. | ||||||||
6857 | if (!DG.get().isSingleDecl()) { | ||||||||
6858 | Diag(SR.getBegin(), diag::err_omp_single_decl_in_declare_simd_variant) | ||||||||
6859 | << VariantId << SR; | ||||||||
6860 | return None; | ||||||||
6861 | } | ||||||||
6862 | Decl *ADecl = DG.get().getSingleDecl(); | ||||||||
6863 | if (auto *FTD = dyn_cast<FunctionTemplateDecl>(ADecl)) | ||||||||
6864 | ADecl = FTD->getTemplatedDecl(); | ||||||||
6865 | |||||||||
6866 | // Decl must be a function. | ||||||||
6867 | auto *FD = dyn_cast<FunctionDecl>(ADecl); | ||||||||
6868 | if (!FD) { | ||||||||
6869 | Diag(ADecl->getLocation(), diag::err_omp_function_expected) | ||||||||
6870 | << VariantId << SR; | ||||||||
6871 | return None; | ||||||||
6872 | } | ||||||||
6873 | |||||||||
6874 | auto &&HasMultiVersionAttributes = [](const FunctionDecl *FD) { | ||||||||
6875 | return FD->hasAttrs() && | ||||||||
6876 | (FD->hasAttr<CPUDispatchAttr>() || FD->hasAttr<CPUSpecificAttr>() || | ||||||||
6877 | FD->hasAttr<TargetAttr>()); | ||||||||
6878 | }; | ||||||||
6879 | // OpenMP is not compatible with CPU-specific attributes. | ||||||||
6880 | if (HasMultiVersionAttributes(FD)) { | ||||||||
6881 | Diag(FD->getLocation(), diag::err_omp_declare_variant_incompat_attributes) | ||||||||
6882 | << SR; | ||||||||
6883 | return None; | ||||||||
6884 | } | ||||||||
6885 | |||||||||
6886 | // Allow #pragma omp declare variant only if the function is not used. | ||||||||
6887 | if (FD->isUsed(false)) | ||||||||
6888 | Diag(SR.getBegin(), diag::warn_omp_declare_variant_after_used) | ||||||||
6889 | << FD->getLocation(); | ||||||||
6890 | |||||||||
6891 | // Check if the function was emitted already. | ||||||||
6892 | const FunctionDecl *Definition; | ||||||||
6893 | if (!FD->isThisDeclarationADefinition() && FD->isDefined(Definition) && | ||||||||
6894 | (LangOpts.EmitAllDecls || Context.DeclMustBeEmitted(Definition))) | ||||||||
6895 | Diag(SR.getBegin(), diag::warn_omp_declare_variant_after_emitted) | ||||||||
6896 | << FD->getLocation(); | ||||||||
6897 | |||||||||
6898 | // The VariantRef must point to function. | ||||||||
6899 | if (!VariantRef) { | ||||||||
6900 | Diag(SR.getBegin(), diag::err_omp_function_expected) << VariantId; | ||||||||
6901 | return None; | ||||||||
6902 | } | ||||||||
6903 | |||||||||
6904 | auto ShouldDelayChecks = [](Expr *&E, bool) { | ||||||||
6905 | return E && (E->isTypeDependent() || E->isValueDependent() || | ||||||||
6906 | E->containsUnexpandedParameterPack() || | ||||||||
6907 | E->isInstantiationDependent()); | ||||||||
6908 | }; | ||||||||
6909 | // Do not check templates, wait until instantiation. | ||||||||
6910 | if (FD->isDependentContext() || ShouldDelayChecks(VariantRef, false) || | ||||||||
6911 | TI.anyScoreOrCondition(ShouldDelayChecks)) | ||||||||
6912 | return std::make_pair(FD, VariantRef); | ||||||||
6913 | |||||||||
6914 | // Deal with non-constant score and user condition expressions. | ||||||||
6915 | auto HandleNonConstantScoresAndConditions = [this](Expr *&E, | ||||||||
6916 | bool IsScore) -> bool { | ||||||||
6917 | if (!E || E->isIntegerConstantExpr(Context)) | ||||||||
6918 | return false; | ||||||||
6919 | |||||||||
6920 | if (IsScore) { | ||||||||
6921 | // We warn on non-constant scores and pretend they were not present. | ||||||||
6922 | Diag(E->getExprLoc(), diag::warn_omp_declare_variant_score_not_constant) | ||||||||
6923 | << E; | ||||||||
6924 | E = nullptr; | ||||||||
6925 | } else { | ||||||||
6926 | // We could replace a non-constant user condition with "false" but we | ||||||||
6927 | // will soon need to handle these anyway for the dynamic version of | ||||||||
6928 | // OpenMP context selectors. | ||||||||
6929 | Diag(E->getExprLoc(), | ||||||||
6930 | diag::err_omp_declare_variant_user_condition_not_constant) | ||||||||
6931 | << E; | ||||||||
6932 | } | ||||||||
6933 | return true; | ||||||||
6934 | }; | ||||||||
6935 | if (TI.anyScoreOrCondition(HandleNonConstantScoresAndConditions)) | ||||||||
6936 | return None; | ||||||||
6937 | |||||||||
6938 | // Convert VariantRef expression to the type of the original function to | ||||||||
6939 | // resolve possible conflicts. | ||||||||
6940 | ExprResult VariantRefCast = VariantRef; | ||||||||
6941 | if (LangOpts.CPlusPlus) { | ||||||||
6942 | QualType FnPtrType; | ||||||||
6943 | auto *Method = dyn_cast<CXXMethodDecl>(FD); | ||||||||
6944 | if (Method && !Method->isStatic()) { | ||||||||
6945 | const Type *ClassType = | ||||||||
6946 | Context.getTypeDeclType(Method->getParent()).getTypePtr(); | ||||||||
6947 | FnPtrType = Context.getMemberPointerType(FD->getType(), ClassType); | ||||||||
6948 | ExprResult ER; | ||||||||
6949 | { | ||||||||
6950 | // Build adrr_of unary op to correctly handle type checks for member | ||||||||
6951 | // functions. | ||||||||
6952 | Sema::TentativeAnalysisScope Trap(*this); | ||||||||
6953 | ER = CreateBuiltinUnaryOp(VariantRef->getBeginLoc(), UO_AddrOf, | ||||||||
6954 | VariantRef); | ||||||||
6955 | } | ||||||||
6956 | if (!ER.isUsable()) { | ||||||||
6957 | Diag(VariantRef->getExprLoc(), diag::err_omp_function_expected) | ||||||||
6958 | << VariantId << VariantRef->getSourceRange(); | ||||||||
6959 | return None; | ||||||||
6960 | } | ||||||||
6961 | VariantRef = ER.get(); | ||||||||
6962 | } else { | ||||||||
6963 | FnPtrType = Context.getPointerType(FD->getType()); | ||||||||
6964 | } | ||||||||
6965 | QualType VarianPtrType = Context.getPointerType(VariantRef->getType()); | ||||||||
6966 | if (VarianPtrType.getUnqualifiedType() != FnPtrType.getUnqualifiedType()) { | ||||||||
6967 | ImplicitConversionSequence ICS = TryImplicitConversion( | ||||||||
6968 | VariantRef, FnPtrType.getUnqualifiedType(), | ||||||||
6969 | /*SuppressUserConversions=*/false, AllowedExplicit::None, | ||||||||
6970 | /*InOverloadResolution=*/false, | ||||||||
6971 | /*CStyle=*/false, | ||||||||
6972 | /*AllowObjCWritebackConversion=*/false); | ||||||||
6973 | if (ICS.isFailure()) { | ||||||||
6974 | Diag(VariantRef->getExprLoc(), | ||||||||
6975 | diag::err_omp_declare_variant_incompat_types) | ||||||||
6976 | << VariantRef->getType() | ||||||||
6977 | << ((Method && !Method->isStatic()) ? FnPtrType : FD->getType()) | ||||||||
6978 | << VariantRef->getSourceRange(); | ||||||||
6979 | return None; | ||||||||
6980 | } | ||||||||
6981 | VariantRefCast = PerformImplicitConversion( | ||||||||
6982 | VariantRef, FnPtrType.getUnqualifiedType(), AA_Converting); | ||||||||
6983 | if (!VariantRefCast.isUsable()) | ||||||||
6984 | return None; | ||||||||
6985 | } | ||||||||
6986 | // Drop previously built artificial addr_of unary op for member functions. | ||||||||
6987 | if (Method && !Method->isStatic()) { | ||||||||
6988 | Expr *PossibleAddrOfVariantRef = VariantRefCast.get(); | ||||||||
6989 | if (auto *UO = dyn_cast<UnaryOperator>( | ||||||||
6990 | PossibleAddrOfVariantRef->IgnoreImplicit())) | ||||||||
6991 | VariantRefCast = UO->getSubExpr(); | ||||||||
6992 | } | ||||||||
6993 | } | ||||||||
6994 | |||||||||
6995 | ExprResult ER = CheckPlaceholderExpr(VariantRefCast.get()); | ||||||||
6996 | if (!ER.isUsable() || | ||||||||
6997 | !ER.get()->IgnoreParenImpCasts()->getType()->isFunctionType()) { | ||||||||
6998 | Diag(VariantRef->getExprLoc(), diag::err_omp_function_expected) | ||||||||
6999 | << VariantId << VariantRef->getSourceRange(); | ||||||||
7000 | return None; | ||||||||
7001 | } | ||||||||
7002 | |||||||||
7003 | // The VariantRef must point to function. | ||||||||
7004 | auto *DRE = dyn_cast<DeclRefExpr>(ER.get()->IgnoreParenImpCasts()); | ||||||||
7005 | if (!DRE) { | ||||||||
7006 | Diag(VariantRef->getExprLoc(), diag::err_omp_function_expected) | ||||||||
7007 | << VariantId << VariantRef->getSourceRange(); | ||||||||
7008 | return None; | ||||||||
7009 | } | ||||||||
7010 | auto *NewFD = dyn_cast_or_null<FunctionDecl>(DRE->getDecl()); | ||||||||
7011 | if (!NewFD) { | ||||||||
7012 | Diag(VariantRef->getExprLoc(), diag::err_omp_function_expected) | ||||||||
7013 | << VariantId << VariantRef->getSourceRange(); | ||||||||
7014 | return None; | ||||||||
7015 | } | ||||||||
7016 | |||||||||
7017 | // Check if function types are compatible in C. | ||||||||
7018 | if (!LangOpts.CPlusPlus) { | ||||||||
7019 | QualType NewType = | ||||||||
7020 | Context.mergeFunctionTypes(FD->getType(), NewFD->getType()); | ||||||||
7021 | if (NewType.isNull()) { | ||||||||
7022 | Diag(VariantRef->getExprLoc(), | ||||||||
7023 | diag::err_omp_declare_variant_incompat_types) | ||||||||
7024 | << NewFD->getType() << FD->getType() << VariantRef->getSourceRange(); | ||||||||
7025 | return None; | ||||||||
7026 | } | ||||||||
7027 | if (NewType->isFunctionProtoType()) { | ||||||||
7028 | if (FD->getType()->isFunctionNoProtoType()) | ||||||||
7029 | setPrototype(*this, FD, NewFD, NewType); | ||||||||
7030 | else if (NewFD->getType()->isFunctionNoProtoType()) | ||||||||
7031 | setPrototype(*this, NewFD, FD, NewType); | ||||||||
7032 | } | ||||||||
7033 | } | ||||||||
7034 | |||||||||
7035 | // Check if variant function is not marked with declare variant directive. | ||||||||
7036 | if (NewFD->hasAttrs() && NewFD->hasAttr<OMPDeclareVariantAttr>()) { | ||||||||
7037 | Diag(VariantRef->getExprLoc(), | ||||||||
7038 | diag::warn_omp_declare_variant_marked_as_declare_variant) | ||||||||
7039 | << VariantRef->getSourceRange(); | ||||||||
7040 | SourceRange SR = | ||||||||
7041 | NewFD->specific_attr_begin<OMPDeclareVariantAttr>()->getRange(); | ||||||||
7042 | Diag(SR.getBegin(), diag::note_omp_marked_declare_variant_here) << SR; | ||||||||
7043 | return None; | ||||||||
7044 | } | ||||||||
7045 | |||||||||
7046 | enum DoesntSupport { | ||||||||
7047 | VirtFuncs = 1, | ||||||||
7048 | Constructors = 3, | ||||||||
7049 | Destructors = 4, | ||||||||
7050 | DeletedFuncs = 5, | ||||||||
7051 | DefaultedFuncs = 6, | ||||||||
7052 | ConstexprFuncs = 7, | ||||||||
7053 | ConstevalFuncs = 8, | ||||||||
7054 | }; | ||||||||
7055 | if (const auto *CXXFD = dyn_cast<CXXMethodDecl>(FD)) { | ||||||||
7056 | if (CXXFD->isVirtual()) { | ||||||||
7057 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) | ||||||||
7058 | << VirtFuncs; | ||||||||
7059 | return None; | ||||||||
7060 | } | ||||||||
7061 | |||||||||
7062 | if (isa<CXXConstructorDecl>(FD)) { | ||||||||
7063 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) | ||||||||
7064 | << Constructors; | ||||||||
7065 | return None; | ||||||||
7066 | } | ||||||||
7067 | |||||||||
7068 | if (isa<CXXDestructorDecl>(FD)) { | ||||||||
7069 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) | ||||||||
7070 | << Destructors; | ||||||||
7071 | return None; | ||||||||
7072 | } | ||||||||
7073 | } | ||||||||
7074 | |||||||||
7075 | if (FD->isDeleted()) { | ||||||||
7076 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) | ||||||||
7077 | << DeletedFuncs; | ||||||||
7078 | return None; | ||||||||
7079 | } | ||||||||
7080 | |||||||||
7081 | if (FD->isDefaulted()) { | ||||||||
7082 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) | ||||||||
7083 | << DefaultedFuncs; | ||||||||
7084 | return None; | ||||||||
7085 | } | ||||||||
7086 | |||||||||
7087 | if (FD->isConstexpr()) { | ||||||||
7088 | Diag(FD->getLocation(), diag::err_omp_declare_variant_doesnt_support) | ||||||||
7089 | << (NewFD->isConsteval() ? ConstevalFuncs : ConstexprFuncs); | ||||||||
7090 | return None; | ||||||||
7091 | } | ||||||||
7092 | |||||||||
7093 | // Check general compatibility. | ||||||||
7094 | if (areMultiversionVariantFunctionsCompatible( | ||||||||
7095 | FD, NewFD, PartialDiagnostic::NullDiagnostic(), | ||||||||
7096 | PartialDiagnosticAt(SourceLocation(), | ||||||||
7097 | PartialDiagnostic::NullDiagnostic()), | ||||||||
7098 | PartialDiagnosticAt( | ||||||||
7099 | VariantRef->getExprLoc(), | ||||||||
7100 | PDiag(diag::err_omp_declare_variant_doesnt_support)), | ||||||||
7101 | PartialDiagnosticAt(VariantRef->getExprLoc(), | ||||||||
7102 | PDiag(diag::err_omp_declare_variant_diff) | ||||||||
7103 | << FD->getLocation()), | ||||||||
7104 | /*TemplatesSupported=*/true, /*ConstexprSupported=*/false, | ||||||||
7105 | /*CLinkageMayDiffer=*/true)) | ||||||||
7106 | return None; | ||||||||
7107 | return std::make_pair(FD, cast<Expr>(DRE)); | ||||||||
7108 | } | ||||||||
7109 | |||||||||
7110 | void Sema::ActOnOpenMPDeclareVariantDirective(FunctionDecl *FD, | ||||||||
7111 | Expr *VariantRef, | ||||||||
7112 | OMPTraitInfo &TI, | ||||||||
7113 | SourceRange SR) { | ||||||||
7114 | auto *NewAttr = | ||||||||
7115 | OMPDeclareVariantAttr::CreateImplicit(Context, VariantRef, &TI, SR); | ||||||||
7116 | FD->addAttr(NewAttr); | ||||||||
7117 | } | ||||||||
7118 | |||||||||
7119 | StmtResult Sema::ActOnOpenMPParallelDirective(ArrayRef<OMPClause *> Clauses, | ||||||||
7120 | Stmt *AStmt, | ||||||||
7121 | SourceLocation StartLoc, | ||||||||
7122 | SourceLocation EndLoc) { | ||||||||
7123 | if (!AStmt) | ||||||||
7124 | return StmtError(); | ||||||||
7125 | |||||||||
7126 | auto *CS = cast<CapturedStmt>(AStmt); | ||||||||
7127 | // 1.2.2 OpenMP Language Terminology | ||||||||
7128 | // Structured block - An executable statement with a single entry at the | ||||||||
7129 | // top and a single exit at the bottom. | ||||||||
7130 | // The point of exit cannot be a branch out of the structured block. | ||||||||
7131 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
7132 | CS->getCapturedDecl()->setNothrow(); | ||||||||
7133 | |||||||||
7134 | setFunctionHasBranchProtectedScope(); | ||||||||
7135 | |||||||||
7136 | return OMPParallelDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, | ||||||||
7137 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), | ||||||||
7138 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||||||
7139 | } | ||||||||
7140 | |||||||||
7141 | namespace { | ||||||||
7142 | /// Iteration space of a single for loop. | ||||||||
7143 | struct LoopIterationSpace final { | ||||||||
7144 | /// True if the condition operator is the strict compare operator (<, > or | ||||||||
7145 | /// !=). | ||||||||
7146 | bool IsStrictCompare = false; | ||||||||
7147 | /// Condition of the loop. | ||||||||
7148 | Expr *PreCond = nullptr; | ||||||||
7149 | /// This expression calculates the number of iterations in the loop. | ||||||||
7150 | /// It is always possible to calculate it before starting the loop. | ||||||||
7151 | Expr *NumIterations = nullptr; | ||||||||
7152 | /// The loop counter variable. | ||||||||
7153 | Expr *CounterVar = nullptr; | ||||||||
7154 | /// Private loop counter variable. | ||||||||
7155 | Expr *PrivateCounterVar = nullptr; | ||||||||
7156 | /// This is initializer for the initial value of #CounterVar. | ||||||||
7157 | Expr *CounterInit = nullptr; | ||||||||
7158 | /// This is step for the #CounterVar used to generate its update: | ||||||||
7159 | /// #CounterVar = #CounterInit + #CounterStep * CurrentIteration. | ||||||||
7160 | Expr *CounterStep = nullptr; | ||||||||
7161 | /// Should step be subtracted? | ||||||||
7162 | bool Subtract = false; | ||||||||
7163 | /// Source range of the loop init. | ||||||||
7164 | SourceRange InitSrcRange; | ||||||||
7165 | /// Source range of the loop condition. | ||||||||
7166 | SourceRange CondSrcRange; | ||||||||
7167 | /// Source range of the loop increment. | ||||||||
7168 | SourceRange IncSrcRange; | ||||||||
7169 | /// Minimum value that can have the loop control variable. Used to support | ||||||||
7170 | /// non-rectangular loops. Applied only for LCV with the non-iterator types, | ||||||||
7171 | /// since only such variables can be used in non-loop invariant expressions. | ||||||||
7172 | Expr *MinValue = nullptr; | ||||||||
7173 | /// Maximum value that can have the loop control variable. Used to support | ||||||||
7174 | /// non-rectangular loops. Applied only for LCV with the non-iterator type, | ||||||||
7175 | /// since only such variables can be used in non-loop invariant expressions. | ||||||||
7176 | Expr *MaxValue = nullptr; | ||||||||
7177 | /// true, if the lower bound depends on the outer loop control var. | ||||||||
7178 | bool IsNonRectangularLB = false; | ||||||||
7179 | /// true, if the upper bound depends on the outer loop control var. | ||||||||
7180 | bool IsNonRectangularUB = false; | ||||||||
7181 | /// Index of the loop this loop depends on and forms non-rectangular loop | ||||||||
7182 | /// nest. | ||||||||
7183 | unsigned LoopDependentIdx = 0; | ||||||||
7184 | /// Final condition for the non-rectangular loop nest support. It is used to | ||||||||
7185 | /// check that the number of iterations for this particular counter must be | ||||||||
7186 | /// finished. | ||||||||
7187 | Expr *FinalCondition = nullptr; | ||||||||
7188 | }; | ||||||||
7189 | |||||||||
7190 | /// Helper class for checking canonical form of the OpenMP loops and | ||||||||
7191 | /// extracting iteration space of each loop in the loop nest, that will be used | ||||||||
7192 | /// for IR generation. | ||||||||
7193 | class OpenMPIterationSpaceChecker { | ||||||||
7194 | /// Reference to Sema. | ||||||||
7195 | Sema &SemaRef; | ||||||||
7196 | /// Does the loop associated directive support non-rectangular loops? | ||||||||
7197 | bool SupportsNonRectangular; | ||||||||
7198 | /// Data-sharing stack. | ||||||||
7199 | DSAStackTy &Stack; | ||||||||
7200 | /// A location for diagnostics (when there is no some better location). | ||||||||
7201 | SourceLocation DefaultLoc; | ||||||||
7202 | /// A location for diagnostics (when increment is not compatible). | ||||||||
7203 | SourceLocation ConditionLoc; | ||||||||
7204 | /// A source location for referring to loop init later. | ||||||||
7205 | SourceRange InitSrcRange; | ||||||||
7206 | /// A source location for referring to condition later. | ||||||||
7207 | SourceRange ConditionSrcRange; | ||||||||
7208 | /// A source location for referring to increment later. | ||||||||
7209 | SourceRange IncrementSrcRange; | ||||||||
7210 | /// Loop variable. | ||||||||
7211 | ValueDecl *LCDecl = nullptr; | ||||||||
7212 | /// Reference to loop variable. | ||||||||
7213 | Expr *LCRef = nullptr; | ||||||||
7214 | /// Lower bound (initializer for the var). | ||||||||
7215 | Expr *LB = nullptr; | ||||||||
7216 | /// Upper bound. | ||||||||
7217 | Expr *UB = nullptr; | ||||||||
7218 | /// Loop step (increment). | ||||||||
7219 | Expr *Step = nullptr; | ||||||||
7220 | /// This flag is true when condition is one of: | ||||||||
7221 | /// Var < UB | ||||||||
7222 | /// Var <= UB | ||||||||
7223 | /// UB > Var | ||||||||
7224 | /// UB >= Var | ||||||||
7225 | /// This will have no value when the condition is != | ||||||||
7226 | llvm::Optional<bool> TestIsLessOp; | ||||||||
7227 | /// This flag is true when condition is strict ( < or > ). | ||||||||
7228 | bool TestIsStrictOp = false; | ||||||||
7229 | /// This flag is true when step is subtracted on each iteration. | ||||||||
7230 | bool SubtractStep = false; | ||||||||
7231 | /// The outer loop counter this loop depends on (if any). | ||||||||
7232 | const ValueDecl *DepDecl = nullptr; | ||||||||
7233 | /// Contains number of loop (starts from 1) on which loop counter init | ||||||||
7234 | /// expression of this loop depends on. | ||||||||
7235 | Optional<unsigned> InitDependOnLC; | ||||||||
7236 | /// Contains number of loop (starts from 1) on which loop counter condition | ||||||||
7237 | /// expression of this loop depends on. | ||||||||
7238 | Optional<unsigned> CondDependOnLC; | ||||||||
7239 | /// Checks if the provide statement depends on the loop counter. | ||||||||
7240 | Optional<unsigned> doesDependOnLoopCounter(const Stmt *S, bool IsInitializer); | ||||||||
7241 | /// Original condition required for checking of the exit condition for | ||||||||
7242 | /// non-rectangular loop. | ||||||||
7243 | Expr *Condition = nullptr; | ||||||||
7244 | |||||||||
7245 | public: | ||||||||
7246 | OpenMPIterationSpaceChecker(Sema &SemaRef, bool SupportsNonRectangular, | ||||||||
7247 | DSAStackTy &Stack, SourceLocation DefaultLoc) | ||||||||
7248 | : SemaRef(SemaRef), SupportsNonRectangular(SupportsNonRectangular), | ||||||||
7249 | Stack(Stack), DefaultLoc(DefaultLoc), ConditionLoc(DefaultLoc) {} | ||||||||
7250 | /// Check init-expr for canonical loop form and save loop counter | ||||||||
7251 | /// variable - #Var and its initialization value - #LB. | ||||||||
7252 | bool checkAndSetInit(Stmt *S, bool EmitDiags = true); | ||||||||
7253 | /// Check test-expr for canonical form, save upper-bound (#UB), flags | ||||||||
7254 | /// for less/greater and for strict/non-strict comparison. | ||||||||
7255 | bool checkAndSetCond(Expr *S); | ||||||||
7256 | /// Check incr-expr for canonical loop form and return true if it | ||||||||
7257 | /// does not conform, otherwise save loop step (#Step). | ||||||||
7258 | bool checkAndSetInc(Expr *S); | ||||||||
7259 | /// Return the loop counter variable. | ||||||||
7260 | ValueDecl *getLoopDecl() const { return LCDecl; } | ||||||||
7261 | /// Return the reference expression to loop counter variable. | ||||||||
7262 | Expr *getLoopDeclRefExpr() const { return LCRef; } | ||||||||
7263 | /// Source range of the loop init. | ||||||||
7264 | SourceRange getInitSrcRange() const { return InitSrcRange; } | ||||||||
7265 | /// Source range of the loop condition. | ||||||||
7266 | SourceRange getConditionSrcRange() const { return ConditionSrcRange; } | ||||||||
7267 | /// Source range of the loop increment. | ||||||||
7268 | SourceRange getIncrementSrcRange() const { return IncrementSrcRange; } | ||||||||
7269 | /// True if the step should be subtracted. | ||||||||
7270 | bool shouldSubtractStep() const { return SubtractStep; } | ||||||||
7271 | /// True, if the compare operator is strict (<, > or !=). | ||||||||
7272 | bool isStrictTestOp() const { return TestIsStrictOp; } | ||||||||
7273 | /// Build the expression to calculate the number of iterations. | ||||||||
7274 | Expr *buildNumIterations( | ||||||||
7275 | Scope *S, ArrayRef<LoopIterationSpace> ResultIterSpaces, bool LimitedType, | ||||||||
7276 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const; | ||||||||
7277 | /// Build the precondition expression for the loops. | ||||||||
7278 | Expr * | ||||||||
7279 | buildPreCond(Scope *S, Expr *Cond, | ||||||||
7280 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const; | ||||||||
7281 | /// Build reference expression to the counter be used for codegen. | ||||||||
7282 | DeclRefExpr * | ||||||||
7283 | buildCounterVar(llvm::MapVector<const Expr *, DeclRefExpr *> &Captures, | ||||||||
7284 | DSAStackTy &DSA) const; | ||||||||
7285 | /// Build reference expression to the private counter be used for | ||||||||
7286 | /// codegen. | ||||||||
7287 | Expr *buildPrivateCounterVar() const; | ||||||||
7288 | /// Build initialization of the counter be used for codegen. | ||||||||
7289 | Expr *buildCounterInit() const; | ||||||||
7290 | /// Build step of the counter be used for codegen. | ||||||||
7291 | Expr *buildCounterStep() const; | ||||||||
7292 | /// Build loop data with counter value for depend clauses in ordered | ||||||||
7293 | /// directives. | ||||||||
7294 | Expr * | ||||||||
7295 | buildOrderedLoopData(Scope *S, Expr *Counter, | ||||||||
7296 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures, | ||||||||
7297 | SourceLocation Loc, Expr *Inc = nullptr, | ||||||||
7298 | OverloadedOperatorKind OOK = OO_Amp); | ||||||||
7299 | /// Builds the minimum value for the loop counter. | ||||||||
7300 | std::pair<Expr *, Expr *> buildMinMaxValues( | ||||||||
7301 | Scope *S, llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const; | ||||||||
7302 | /// Builds final condition for the non-rectangular loops. | ||||||||
7303 | Expr *buildFinalCondition(Scope *S) const; | ||||||||
7304 | /// Return true if any expression is dependent. | ||||||||
7305 | bool dependent() const; | ||||||||
7306 | /// Returns true if the initializer forms non-rectangular loop. | ||||||||
7307 | bool doesInitDependOnLC() const { return InitDependOnLC.hasValue(); } | ||||||||
7308 | /// Returns true if the condition forms non-rectangular loop. | ||||||||
7309 | bool doesCondDependOnLC() const { return CondDependOnLC.hasValue(); } | ||||||||
7310 | /// Returns index of the loop we depend on (starting from 1), or 0 otherwise. | ||||||||
7311 | unsigned getLoopDependentIdx() const { | ||||||||
7312 | return InitDependOnLC.getValueOr(CondDependOnLC.getValueOr(0)); | ||||||||
7313 | } | ||||||||
7314 | |||||||||
7315 | private: | ||||||||
7316 | /// Check the right-hand side of an assignment in the increment | ||||||||
7317 | /// expression. | ||||||||
7318 | bool checkAndSetIncRHS(Expr *RHS); | ||||||||
7319 | /// Helper to set loop counter variable and its initializer. | ||||||||
7320 | bool setLCDeclAndLB(ValueDecl *NewLCDecl, Expr *NewDeclRefExpr, Expr *NewLB, | ||||||||
7321 | bool EmitDiags); | ||||||||
7322 | /// Helper to set upper bound. | ||||||||
7323 | bool setUB(Expr *NewUB, llvm::Optional<bool> LessOp, bool StrictOp, | ||||||||
7324 | SourceRange SR, SourceLocation SL); | ||||||||
7325 | /// Helper to set loop increment. | ||||||||
7326 | bool setStep(Expr *NewStep, bool Subtract); | ||||||||
7327 | }; | ||||||||
7328 | |||||||||
7329 | bool OpenMPIterationSpaceChecker::dependent() const { | ||||||||
7330 | if (!LCDecl) { | ||||||||
7331 | assert(!LB && !UB && !Step)((void)0); | ||||||||
7332 | return false; | ||||||||
7333 | } | ||||||||
7334 | return LCDecl->getType()->isDependentType() || | ||||||||
7335 | (LB && LB->isValueDependent()) || (UB && UB->isValueDependent()) || | ||||||||
7336 | (Step && Step->isValueDependent()); | ||||||||
7337 | } | ||||||||
7338 | |||||||||
7339 | bool OpenMPIterationSpaceChecker::setLCDeclAndLB(ValueDecl *NewLCDecl, | ||||||||
7340 | Expr *NewLCRefExpr, | ||||||||
7341 | Expr *NewLB, bool EmitDiags) { | ||||||||
7342 | // State consistency checking to ensure correct usage. | ||||||||
7343 | assert(LCDecl == nullptr && LB == nullptr && LCRef == nullptr &&((void)0) | ||||||||
7344 | UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp)((void)0); | ||||||||
7345 | if (!NewLCDecl || !NewLB) | ||||||||
7346 | return true; | ||||||||
7347 | LCDecl = getCanonicalDecl(NewLCDecl); | ||||||||
7348 | LCRef = NewLCRefExpr; | ||||||||
7349 | if (auto *CE = dyn_cast_or_null<CXXConstructExpr>(NewLB)) | ||||||||
7350 | if (const CXXConstructorDecl *Ctor = CE->getConstructor()) | ||||||||
7351 | if ((Ctor->isCopyOrMoveConstructor() || | ||||||||
7352 | Ctor->isConvertingConstructor(/*AllowExplicit=*/false)) && | ||||||||
7353 | CE->getNumArgs() > 0 && CE->getArg(0) != nullptr) | ||||||||
7354 | NewLB = CE->getArg(0)->IgnoreParenImpCasts(); | ||||||||
7355 | LB = NewLB; | ||||||||
7356 | if (EmitDiags) | ||||||||
7357 | InitDependOnLC = doesDependOnLoopCounter(LB, /*IsInitializer=*/true); | ||||||||
7358 | return false; | ||||||||
7359 | } | ||||||||
7360 | |||||||||
7361 | bool OpenMPIterationSpaceChecker::setUB(Expr *NewUB, | ||||||||
7362 | llvm::Optional<bool> LessOp, | ||||||||
7363 | bool StrictOp, SourceRange SR, | ||||||||
7364 | SourceLocation SL) { | ||||||||
7365 | // State consistency checking to ensure correct usage. | ||||||||
7366 | assert(LCDecl != nullptr && LB != nullptr && UB == nullptr &&((void)0) | ||||||||
7367 | Step == nullptr && !TestIsLessOp && !TestIsStrictOp)((void)0); | ||||||||
7368 | if (!NewUB) | ||||||||
7369 | return true; | ||||||||
7370 | UB = NewUB; | ||||||||
7371 | if (LessOp) | ||||||||
7372 | TestIsLessOp = LessOp; | ||||||||
7373 | TestIsStrictOp = StrictOp; | ||||||||
7374 | ConditionSrcRange = SR; | ||||||||
7375 | ConditionLoc = SL; | ||||||||
7376 | CondDependOnLC = doesDependOnLoopCounter(UB, /*IsInitializer=*/false); | ||||||||
7377 | return false; | ||||||||
7378 | } | ||||||||
7379 | |||||||||
7380 | bool OpenMPIterationSpaceChecker::setStep(Expr *NewStep, bool Subtract) { | ||||||||
7381 | // State consistency checking to ensure correct usage. | ||||||||
7382 | assert(LCDecl != nullptr && LB != nullptr && Step == nullptr)((void)0); | ||||||||
7383 | if (!NewStep) | ||||||||
7384 | return true; | ||||||||
7385 | if (!NewStep->isValueDependent()) { | ||||||||
7386 | // Check that the step is integer expression. | ||||||||
7387 | SourceLocation StepLoc = NewStep->getBeginLoc(); | ||||||||
7388 | ExprResult Val = SemaRef.PerformOpenMPImplicitIntegerConversion( | ||||||||
7389 | StepLoc, getExprAsWritten(NewStep)); | ||||||||
7390 | if (Val.isInvalid()) | ||||||||
7391 | return true; | ||||||||
7392 | NewStep = Val.get(); | ||||||||
7393 | |||||||||
7394 | // OpenMP [2.6, Canonical Loop Form, Restrictions] | ||||||||
7395 | // If test-expr is of form var relational-op b and relational-op is < or | ||||||||
7396 | // <= then incr-expr must cause var to increase on each iteration of the | ||||||||
7397 | // loop. If test-expr is of form var relational-op b and relational-op is | ||||||||
7398 | // > or >= then incr-expr must cause var to decrease on each iteration of | ||||||||
7399 | // the loop. | ||||||||
7400 | // If test-expr is of form b relational-op var and relational-op is < or | ||||||||
7401 | // <= then incr-expr must cause var to decrease on each iteration of the | ||||||||
7402 | // loop. If test-expr is of form b relational-op var and relational-op is | ||||||||
7403 | // > or >= then incr-expr must cause var to increase on each iteration of | ||||||||
7404 | // the loop. | ||||||||
7405 | Optional<llvm::APSInt> Result = | ||||||||
7406 | NewStep->getIntegerConstantExpr(SemaRef.Context); | ||||||||
7407 | bool IsUnsigned = !NewStep->getType()->hasSignedIntegerRepresentation(); | ||||||||
7408 | bool IsConstNeg = | ||||||||
7409 | Result && Result->isSigned() && (Subtract != Result->isNegative()); | ||||||||
7410 | bool IsConstPos = | ||||||||
7411 | Result && Result->isSigned() && (Subtract == Result->isNegative()); | ||||||||
7412 | bool IsConstZero = Result && !Result->getBoolValue(); | ||||||||
7413 | |||||||||
7414 | // != with increment is treated as <; != with decrement is treated as > | ||||||||
7415 | if (!TestIsLessOp.hasValue()) | ||||||||
7416 | TestIsLessOp = IsConstPos || (IsUnsigned && !Subtract); | ||||||||
7417 | if (UB && (IsConstZero || | ||||||||
7418 | (TestIsLessOp.getValue() ? | ||||||||
7419 | (IsConstNeg || (IsUnsigned && Subtract)) : | ||||||||
7420 | (IsConstPos || (IsUnsigned && !Subtract))))) { | ||||||||
7421 | SemaRef.Diag(NewStep->getExprLoc(), | ||||||||
7422 | diag::err_omp_loop_incr_not_compatible) | ||||||||
7423 | << LCDecl << TestIsLessOp.getValue() << NewStep->getSourceRange(); | ||||||||
7424 | SemaRef.Diag(ConditionLoc, | ||||||||
7425 | diag::note_omp_loop_cond_requres_compatible_incr) | ||||||||
7426 | << TestIsLessOp.getValue() << ConditionSrcRange; | ||||||||
7427 | return true; | ||||||||
7428 | } | ||||||||
7429 | if (TestIsLessOp.getValue() == Subtract) { | ||||||||
7430 | NewStep = | ||||||||
7431 | SemaRef.CreateBuiltinUnaryOp(NewStep->getExprLoc(), UO_Minus, NewStep) | ||||||||
7432 | .get(); | ||||||||
7433 | Subtract = !Subtract; | ||||||||
7434 | } | ||||||||
7435 | } | ||||||||
7436 | |||||||||
7437 | Step = NewStep; | ||||||||
7438 | SubtractStep = Subtract; | ||||||||
7439 | return false; | ||||||||
7440 | } | ||||||||
7441 | |||||||||
7442 | namespace { | ||||||||
7443 | /// Checker for the non-rectangular loops. Checks if the initializer or | ||||||||
7444 | /// condition expression references loop counter variable. | ||||||||
7445 | class LoopCounterRefChecker final | ||||||||
7446 | : public ConstStmtVisitor<LoopCounterRefChecker, bool> { | ||||||||
7447 | Sema &SemaRef; | ||||||||
7448 | DSAStackTy &Stack; | ||||||||
7449 | const ValueDecl *CurLCDecl = nullptr; | ||||||||
7450 | const ValueDecl *DepDecl = nullptr; | ||||||||
7451 | const ValueDecl *PrevDepDecl = nullptr; | ||||||||
7452 | bool IsInitializer = true; | ||||||||
7453 | bool SupportsNonRectangular; | ||||||||
7454 | unsigned BaseLoopId = 0; | ||||||||
7455 | bool checkDecl(const Expr *E, const ValueDecl *VD) { | ||||||||
7456 | if (getCanonicalDecl(VD) == getCanonicalDecl(CurLCDecl)) { | ||||||||
7457 | SemaRef.Diag(E->getExprLoc(), diag::err_omp_stmt_depends_on_loop_counter) | ||||||||
7458 | << (IsInitializer ? 0 : 1); | ||||||||
7459 | return false; | ||||||||
7460 | } | ||||||||
7461 | const auto &&Data = Stack.isLoopControlVariable(VD); | ||||||||
7462 | // OpenMP, 2.9.1 Canonical Loop Form, Restrictions. | ||||||||
7463 | // The type of the loop iterator on which we depend may not have a random | ||||||||
7464 | // access iterator type. | ||||||||
7465 | if (Data.first && VD->getType()->isRecordType()) { | ||||||||
7466 | SmallString<128> Name; | ||||||||
7467 | llvm::raw_svector_ostream OS(Name); | ||||||||
7468 | VD->getNameForDiagnostic(OS, SemaRef.getPrintingPolicy(), | ||||||||
7469 | /*Qualified=*/true); | ||||||||
7470 | SemaRef.Diag(E->getExprLoc(), | ||||||||
7471 | diag::err_omp_wrong_dependency_iterator_type) | ||||||||
7472 | << OS.str(); | ||||||||
7473 | SemaRef.Diag(VD->getLocation(), diag::note_previous_decl) << VD; | ||||||||
7474 | return false; | ||||||||
7475 | } | ||||||||
7476 | if (Data.first && !SupportsNonRectangular) { | ||||||||
7477 | SemaRef.Diag(E->getExprLoc(), diag::err_omp_invariant_dependency); | ||||||||
7478 | return false; | ||||||||
7479 | } | ||||||||
7480 | if (Data.first && | ||||||||
7481 | (DepDecl || (PrevDepDecl && | ||||||||
7482 | getCanonicalDecl(VD) != getCanonicalDecl(PrevDepDecl)))) { | ||||||||
7483 | if (!DepDecl && PrevDepDecl) | ||||||||
7484 | DepDecl = PrevDepDecl; | ||||||||
7485 | SmallString<128> Name; | ||||||||
7486 | llvm::raw_svector_ostream OS(Name); | ||||||||
7487 | DepDecl->getNameForDiagnostic(OS, SemaRef.getPrintingPolicy(), | ||||||||
7488 | /*Qualified=*/true); | ||||||||
7489 | SemaRef.Diag(E->getExprLoc(), | ||||||||
7490 | diag::err_omp_invariant_or_linear_dependency) | ||||||||
7491 | << OS.str(); | ||||||||
7492 | return false; | ||||||||
7493 | } | ||||||||
7494 | if (Data.first) { | ||||||||
7495 | DepDecl = VD; | ||||||||
7496 | BaseLoopId = Data.first; | ||||||||
7497 | } | ||||||||
7498 | return Data.first; | ||||||||
7499 | } | ||||||||
7500 | |||||||||
7501 | public: | ||||||||
7502 | bool VisitDeclRefExpr(const DeclRefExpr *E) { | ||||||||
7503 | const ValueDecl *VD = E->getDecl(); | ||||||||
7504 | if (isa<VarDecl>(VD)) | ||||||||
7505 | return checkDecl(E, VD); | ||||||||
7506 | return false; | ||||||||
7507 | } | ||||||||
7508 | bool VisitMemberExpr(const MemberExpr *E) { | ||||||||
7509 | if (isa<CXXThisExpr>(E->getBase()->IgnoreParens())) { | ||||||||
7510 | const ValueDecl *VD = E->getMemberDecl(); | ||||||||
7511 | if (isa<VarDecl>(VD) || isa<FieldDecl>(VD)) | ||||||||
7512 | return checkDecl(E, VD); | ||||||||
7513 | } | ||||||||
7514 | return false; | ||||||||
7515 | } | ||||||||
7516 | bool VisitStmt(const Stmt *S) { | ||||||||
7517 | bool Res = false; | ||||||||
7518 | for (const Stmt *Child : S->children()) | ||||||||
7519 | Res = (Child && Visit(Child)) || Res; | ||||||||
7520 | return Res; | ||||||||
7521 | } | ||||||||
7522 | explicit LoopCounterRefChecker(Sema &SemaRef, DSAStackTy &Stack, | ||||||||
7523 | const ValueDecl *CurLCDecl, bool IsInitializer, | ||||||||
7524 | const ValueDecl *PrevDepDecl = nullptr, | ||||||||
7525 | bool SupportsNonRectangular = true) | ||||||||
7526 | : SemaRef(SemaRef), Stack(Stack), CurLCDecl(CurLCDecl), | ||||||||
7527 | PrevDepDecl(PrevDepDecl), IsInitializer(IsInitializer), | ||||||||
7528 | SupportsNonRectangular(SupportsNonRectangular) {} | ||||||||
7529 | unsigned getBaseLoopId() const { | ||||||||
7530 | assert(CurLCDecl && "Expected loop dependency.")((void)0); | ||||||||
7531 | return BaseLoopId; | ||||||||
7532 | } | ||||||||
7533 | const ValueDecl *getDepDecl() const { | ||||||||
7534 | assert(CurLCDecl && "Expected loop dependency.")((void)0); | ||||||||
7535 | return DepDecl; | ||||||||
7536 | } | ||||||||
7537 | }; | ||||||||
7538 | } // namespace | ||||||||
7539 | |||||||||
7540 | Optional<unsigned> | ||||||||
7541 | OpenMPIterationSpaceChecker::doesDependOnLoopCounter(const Stmt *S, | ||||||||
7542 | bool IsInitializer) { | ||||||||
7543 | // Check for the non-rectangular loops. | ||||||||
7544 | LoopCounterRefChecker LoopStmtChecker(SemaRef, Stack, LCDecl, IsInitializer, | ||||||||
7545 | DepDecl, SupportsNonRectangular); | ||||||||
7546 | if (LoopStmtChecker.Visit(S)) { | ||||||||
7547 | DepDecl = LoopStmtChecker.getDepDecl(); | ||||||||
7548 | return LoopStmtChecker.getBaseLoopId(); | ||||||||
7549 | } | ||||||||
7550 | return llvm::None; | ||||||||
7551 | } | ||||||||
7552 | |||||||||
7553 | bool OpenMPIterationSpaceChecker::checkAndSetInit(Stmt *S, bool EmitDiags) { | ||||||||
7554 | // Check init-expr for canonical loop form and save loop counter | ||||||||
7555 | // variable - #Var and its initialization value - #LB. | ||||||||
7556 | // OpenMP [2.6] Canonical loop form. init-expr may be one of the following: | ||||||||
7557 | // var = lb | ||||||||
7558 | // integer-type var = lb | ||||||||
7559 | // random-access-iterator-type var = lb | ||||||||
7560 | // pointer-type var = lb | ||||||||
7561 | // | ||||||||
7562 | if (!S) { | ||||||||
7563 | if (EmitDiags) { | ||||||||
7564 | SemaRef.Diag(DefaultLoc, diag::err_omp_loop_not_canonical_init); | ||||||||
7565 | } | ||||||||
7566 | return true; | ||||||||
7567 | } | ||||||||
7568 | if (auto *ExprTemp = dyn_cast<ExprWithCleanups>(S)) | ||||||||
7569 | if (!ExprTemp->cleanupsHaveSideEffects()) | ||||||||
7570 | S = ExprTemp->getSubExpr(); | ||||||||
7571 | |||||||||
7572 | InitSrcRange = S->getSourceRange(); | ||||||||
7573 | if (Expr *E = dyn_cast<Expr>(S)) | ||||||||
7574 | S = E->IgnoreParens(); | ||||||||
7575 | if (auto *BO = dyn_cast<BinaryOperator>(S)) { | ||||||||
7576 | if (BO->getOpcode() == BO_Assign) { | ||||||||
7577 | Expr *LHS = BO->getLHS()->IgnoreParens(); | ||||||||
7578 | if (auto *DRE = dyn_cast<DeclRefExpr>(LHS)) { | ||||||||
7579 | if (auto *CED = dyn_cast<OMPCapturedExprDecl>(DRE->getDecl())) | ||||||||
7580 | if (auto *ME = dyn_cast<MemberExpr>(getExprAsWritten(CED->getInit()))) | ||||||||
7581 | return setLCDeclAndLB(ME->getMemberDecl(), ME, BO->getRHS(), | ||||||||
7582 | EmitDiags); | ||||||||
7583 | return setLCDeclAndLB(DRE->getDecl(), DRE, BO->getRHS(), EmitDiags); | ||||||||
7584 | } | ||||||||
7585 | if (auto *ME = dyn_cast<MemberExpr>(LHS)) { | ||||||||
7586 | if (ME->isArrow() && | ||||||||
7587 | isa<CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts())) | ||||||||
7588 | return setLCDeclAndLB(ME->getMemberDecl(), ME, BO->getRHS(), | ||||||||
7589 | EmitDiags); | ||||||||
7590 | } | ||||||||
7591 | } | ||||||||
7592 | } else if (auto *DS = dyn_cast<DeclStmt>(S)) { | ||||||||
7593 | if (DS->isSingleDecl()) { | ||||||||
7594 | if (auto *Var = dyn_cast_or_null<VarDecl>(DS->getSingleDecl())) { | ||||||||
7595 | if (Var->hasInit() && !Var->getType()->isReferenceType()) { | ||||||||
7596 | // Accept non-canonical init form here but emit ext. warning. | ||||||||
7597 | if (Var->getInitStyle() != VarDecl::CInit && EmitDiags) | ||||||||
7598 | SemaRef.Diag(S->getBeginLoc(), | ||||||||
7599 | diag::ext_omp_loop_not_canonical_init) | ||||||||
7600 | << S->getSourceRange(); | ||||||||
7601 | return setLCDeclAndLB( | ||||||||
7602 | Var, | ||||||||
7603 | buildDeclRefExpr(SemaRef, Var, | ||||||||
7604 | Var->getType().getNonReferenceType(), | ||||||||
7605 | DS->getBeginLoc()), | ||||||||
7606 | Var->getInit(), EmitDiags); | ||||||||
7607 | } | ||||||||
7608 | } | ||||||||
7609 | } | ||||||||
7610 | } else if (auto *CE = dyn_cast<CXXOperatorCallExpr>(S)) { | ||||||||
7611 | if (CE->getOperator() == OO_Equal) { | ||||||||
7612 | Expr *LHS = CE->getArg(0); | ||||||||
7613 | if (auto *DRE = dyn_cast<DeclRefExpr>(LHS)) { | ||||||||
7614 | if (auto *CED = dyn_cast<OMPCapturedExprDecl>(DRE->getDecl())) | ||||||||
7615 | if (auto *ME = dyn_cast<MemberExpr>(getExprAsWritten(CED->getInit()))) | ||||||||
7616 | return setLCDeclAndLB(ME->getMemberDecl(), ME, BO->getRHS(), | ||||||||
7617 | EmitDiags); | ||||||||
7618 | return setLCDeclAndLB(DRE->getDecl(), DRE, CE->getArg(1), EmitDiags); | ||||||||
7619 | } | ||||||||
7620 | if (auto *ME = dyn_cast<MemberExpr>(LHS)) { | ||||||||
7621 | if (ME->isArrow() && | ||||||||
7622 | isa<CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts())) | ||||||||
7623 | return setLCDeclAndLB(ME->getMemberDecl(), ME, BO->getRHS(), | ||||||||
7624 | EmitDiags); | ||||||||
7625 | } | ||||||||
7626 | } | ||||||||
7627 | } | ||||||||
7628 | |||||||||
7629 | if (dependent() || SemaRef.CurContext->isDependentContext()) | ||||||||
7630 | return false; | ||||||||
7631 | if (EmitDiags) { | ||||||||
7632 | SemaRef.Diag(S->getBeginLoc(), diag::err_omp_loop_not_canonical_init) | ||||||||
7633 | << S->getSourceRange(); | ||||||||
7634 | } | ||||||||
7635 | return true; | ||||||||
7636 | } | ||||||||
7637 | |||||||||
7638 | /// Ignore parenthesizes, implicit casts, copy constructor and return the | ||||||||
7639 | /// variable (which may be the loop variable) if possible. | ||||||||
7640 | static const ValueDecl *getInitLCDecl(const Expr *E) { | ||||||||
7641 | if (!E) | ||||||||
7642 | return nullptr; | ||||||||
7643 | E = getExprAsWritten(E); | ||||||||
7644 | if (const auto *CE = dyn_cast_or_null<CXXConstructExpr>(E)) | ||||||||
7645 | if (const CXXConstructorDecl *Ctor = CE->getConstructor()) | ||||||||
7646 | if ((Ctor->isCopyOrMoveConstructor() || | ||||||||
7647 | Ctor->isConvertingConstructor(/*AllowExplicit=*/false)) && | ||||||||
7648 | CE->getNumArgs() > 0 && CE->getArg(0) != nullptr) | ||||||||
7649 | E = CE->getArg(0)->IgnoreParenImpCasts(); | ||||||||
7650 | if (const auto *DRE = dyn_cast_or_null<DeclRefExpr>(E)) { | ||||||||
7651 | if (const auto *VD = dyn_cast<VarDecl>(DRE->getDecl())) | ||||||||
7652 | return getCanonicalDecl(VD); | ||||||||
7653 | } | ||||||||
7654 | if (const auto *ME = dyn_cast_or_null<MemberExpr>(E)) | ||||||||
7655 | if (ME->isArrow() && isa<CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts())) | ||||||||
7656 | return getCanonicalDecl(ME->getMemberDecl()); | ||||||||
7657 | return nullptr; | ||||||||
7658 | } | ||||||||
7659 | |||||||||
7660 | bool OpenMPIterationSpaceChecker::checkAndSetCond(Expr *S) { | ||||||||
7661 | // Check test-expr for canonical form, save upper-bound UB, flags for | ||||||||
7662 | // less/greater and for strict/non-strict comparison. | ||||||||
7663 | // OpenMP [2.9] Canonical loop form. Test-expr may be one of the following: | ||||||||
7664 | // var relational-op b | ||||||||
7665 | // b relational-op var | ||||||||
7666 | // | ||||||||
7667 | bool IneqCondIsCanonical = SemaRef.getLangOpts().OpenMP >= 50; | ||||||||
7668 | if (!S) { | ||||||||
7669 | SemaRef.Diag(DefaultLoc, diag::err_omp_loop_not_canonical_cond) | ||||||||
7670 | << (IneqCondIsCanonical ? 1 : 0) << LCDecl; | ||||||||
7671 | return true; | ||||||||
7672 | } | ||||||||
7673 | Condition = S; | ||||||||
7674 | S = getExprAsWritten(S); | ||||||||
7675 | SourceLocation CondLoc = S->getBeginLoc(); | ||||||||
7676 | auto &&CheckAndSetCond = [this, IneqCondIsCanonical]( | ||||||||
7677 | BinaryOperatorKind Opcode, const Expr *LHS, | ||||||||
7678 | const Expr *RHS, SourceRange SR, | ||||||||
7679 | SourceLocation OpLoc) -> llvm::Optional<bool> { | ||||||||
7680 | if (BinaryOperator::isRelationalOp(Opcode)) { | ||||||||
7681 | if (getInitLCDecl(LHS) == LCDecl) | ||||||||
7682 | return setUB(const_cast<Expr *>(RHS), | ||||||||
7683 | (Opcode == BO_LT || Opcode == BO_LE), | ||||||||
7684 | (Opcode == BO_LT || Opcode == BO_GT), SR, OpLoc); | ||||||||
7685 | if (getInitLCDecl(RHS) == LCDecl) | ||||||||
7686 | return setUB(const_cast<Expr *>(LHS), | ||||||||
7687 | (Opcode == BO_GT || Opcode == BO_GE), | ||||||||
7688 | (Opcode == BO_LT || Opcode == BO_GT), SR, OpLoc); | ||||||||
7689 | } else if (IneqCondIsCanonical && Opcode == BO_NE) { | ||||||||
7690 | return setUB(const_cast<Expr *>(getInitLCDecl(LHS) == LCDecl ? RHS : LHS), | ||||||||
7691 | /*LessOp=*/llvm::None, | ||||||||
7692 | /*StrictOp=*/true, SR, OpLoc); | ||||||||
7693 | } | ||||||||
7694 | return llvm::None; | ||||||||
7695 | }; | ||||||||
7696 | llvm::Optional<bool> Res; | ||||||||
7697 | if (auto *RBO = dyn_cast<CXXRewrittenBinaryOperator>(S)) { | ||||||||
7698 | CXXRewrittenBinaryOperator::DecomposedForm DF = RBO->getDecomposedForm(); | ||||||||
7699 | Res = CheckAndSetCond(DF.Opcode, DF.LHS, DF.RHS, RBO->getSourceRange(), | ||||||||
7700 | RBO->getOperatorLoc()); | ||||||||
7701 | } else if (auto *BO = dyn_cast<BinaryOperator>(S)) { | ||||||||
7702 | Res = CheckAndSetCond(BO->getOpcode(), BO->getLHS(), BO->getRHS(), | ||||||||
7703 | BO->getSourceRange(), BO->getOperatorLoc()); | ||||||||
7704 | } else if (auto *CE = dyn_cast<CXXOperatorCallExpr>(S)) { | ||||||||
7705 | if (CE->getNumArgs() == 2) { | ||||||||
7706 | Res = CheckAndSetCond( | ||||||||
7707 | BinaryOperator::getOverloadedOpcode(CE->getOperator()), CE->getArg(0), | ||||||||
7708 | CE->getArg(1), CE->getSourceRange(), CE->getOperatorLoc()); | ||||||||
7709 | } | ||||||||
7710 | } | ||||||||
7711 | if (Res.hasValue()) | ||||||||
7712 | return *Res; | ||||||||
7713 | if (dependent() || SemaRef.CurContext->isDependentContext()) | ||||||||
7714 | return false; | ||||||||
7715 | SemaRef.Diag(CondLoc, diag::err_omp_loop_not_canonical_cond) | ||||||||
7716 | << (IneqCondIsCanonical ? 1 : 0) << S->getSourceRange() << LCDecl; | ||||||||
7717 | return true; | ||||||||
7718 | } | ||||||||
7719 | |||||||||
7720 | bool OpenMPIterationSpaceChecker::checkAndSetIncRHS(Expr *RHS) { | ||||||||
7721 | // RHS of canonical loop form increment can be: | ||||||||
7722 | // var + incr | ||||||||
7723 | // incr + var | ||||||||
7724 | // var - incr | ||||||||
7725 | // | ||||||||
7726 | RHS = RHS->IgnoreParenImpCasts(); | ||||||||
7727 | if (auto *BO = dyn_cast<BinaryOperator>(RHS)) { | ||||||||
7728 | if (BO->isAdditiveOp()) { | ||||||||
7729 | bool IsAdd = BO->getOpcode() == BO_Add; | ||||||||
7730 | if (getInitLCDecl(BO->getLHS()) == LCDecl) | ||||||||
7731 | return setStep(BO->getRHS(), !IsAdd); | ||||||||
7732 | if (IsAdd && getInitLCDecl(BO->getRHS()) == LCDecl) | ||||||||
7733 | return setStep(BO->getLHS(), /*Subtract=*/false); | ||||||||
7734 | } | ||||||||
7735 | } else if (auto *CE = dyn_cast<CXXOperatorCallExpr>(RHS)) { | ||||||||
7736 | bool IsAdd = CE->getOperator() == OO_Plus; | ||||||||
7737 | if ((IsAdd || CE->getOperator() == OO_Minus) && CE->getNumArgs() == 2) { | ||||||||
7738 | if (getInitLCDecl(CE->getArg(0)) == LCDecl) | ||||||||
7739 | return setStep(CE->getArg(1), !IsAdd); | ||||||||
7740 | if (IsAdd && getInitLCDecl(CE->getArg(1)) == LCDecl) | ||||||||
7741 | return setStep(CE->getArg(0), /*Subtract=*/false); | ||||||||
7742 | } | ||||||||
7743 | } | ||||||||
7744 | if (dependent() || SemaRef.CurContext->isDependentContext()) | ||||||||
7745 | return false; | ||||||||
7746 | SemaRef.Diag(RHS->getBeginLoc(), diag::err_omp_loop_not_canonical_incr) | ||||||||
7747 | << RHS->getSourceRange() << LCDecl; | ||||||||
7748 | return true; | ||||||||
7749 | } | ||||||||
7750 | |||||||||
7751 | bool OpenMPIterationSpaceChecker::checkAndSetInc(Expr *S) { | ||||||||
7752 | // Check incr-expr for canonical loop form and return true if it | ||||||||
7753 | // does not conform. | ||||||||
7754 | // OpenMP [2.6] Canonical loop form. Test-expr may be one of the following: | ||||||||
7755 | // ++var | ||||||||
7756 | // var++ | ||||||||
7757 | // --var | ||||||||
7758 | // var-- | ||||||||
7759 | // var += incr | ||||||||
7760 | // var -= incr | ||||||||
7761 | // var = var + incr | ||||||||
7762 | // var = incr + var | ||||||||
7763 | // var = var - incr | ||||||||
7764 | // | ||||||||
7765 | if (!S) { | ||||||||
7766 | SemaRef.Diag(DefaultLoc, diag::err_omp_loop_not_canonical_incr) << LCDecl; | ||||||||
7767 | return true; | ||||||||
7768 | } | ||||||||
7769 | if (auto *ExprTemp = dyn_cast<ExprWithCleanups>(S)) | ||||||||
7770 | if (!ExprTemp->cleanupsHaveSideEffects()) | ||||||||
7771 | S = ExprTemp->getSubExpr(); | ||||||||
7772 | |||||||||
7773 | IncrementSrcRange = S->getSourceRange(); | ||||||||
7774 | S = S->IgnoreParens(); | ||||||||
7775 | if (auto *UO = dyn_cast<UnaryOperator>(S)) { | ||||||||
7776 | if (UO->isIncrementDecrementOp() && | ||||||||
7777 | getInitLCDecl(UO->getSubExpr()) == LCDecl) | ||||||||
7778 | return setStep(SemaRef | ||||||||
7779 | .ActOnIntegerConstant(UO->getBeginLoc(), | ||||||||
7780 | (UO->isDecrementOp() ? -1 : 1)) | ||||||||
7781 | .get(), | ||||||||
7782 | /*Subtract=*/false); | ||||||||
7783 | } else if (auto *BO = dyn_cast<BinaryOperator>(S)) { | ||||||||
7784 | switch (BO->getOpcode()) { | ||||||||
7785 | case BO_AddAssign: | ||||||||
7786 | case BO_SubAssign: | ||||||||
7787 | if (getInitLCDecl(BO->getLHS()) == LCDecl) | ||||||||
7788 | return setStep(BO->getRHS(), BO->getOpcode() == BO_SubAssign); | ||||||||
7789 | break; | ||||||||
7790 | case BO_Assign: | ||||||||
7791 | if (getInitLCDecl(BO->getLHS()) == LCDecl) | ||||||||
7792 | return checkAndSetIncRHS(BO->getRHS()); | ||||||||
7793 | break; | ||||||||
7794 | default: | ||||||||
7795 | break; | ||||||||
7796 | } | ||||||||
7797 | } else if (auto *CE = dyn_cast<CXXOperatorCallExpr>(S)) { | ||||||||
7798 | switch (CE->getOperator()) { | ||||||||
7799 | case OO_PlusPlus: | ||||||||
7800 | case OO_MinusMinus: | ||||||||
7801 | if (getInitLCDecl(CE->getArg(0)) == LCDecl) | ||||||||
7802 | return setStep(SemaRef | ||||||||
7803 | .ActOnIntegerConstant( | ||||||||
7804 | CE->getBeginLoc(), | ||||||||
7805 | ((CE->getOperator() == OO_MinusMinus) ? -1 : 1)) | ||||||||
7806 | .get(), | ||||||||
7807 | /*Subtract=*/false); | ||||||||
7808 | break; | ||||||||
7809 | case OO_PlusEqual: | ||||||||
7810 | case OO_MinusEqual: | ||||||||
7811 | if (getInitLCDecl(CE->getArg(0)) == LCDecl) | ||||||||
7812 | return setStep(CE->getArg(1), CE->getOperator() == OO_MinusEqual); | ||||||||
7813 | break; | ||||||||
7814 | case OO_Equal: | ||||||||
7815 | if (getInitLCDecl(CE->getArg(0)) == LCDecl) | ||||||||
7816 | return checkAndSetIncRHS(CE->getArg(1)); | ||||||||
7817 | break; | ||||||||
7818 | default: | ||||||||
7819 | break; | ||||||||
7820 | } | ||||||||
7821 | } | ||||||||
7822 | if (dependent() || SemaRef.CurContext->isDependentContext()) | ||||||||
7823 | return false; | ||||||||
7824 | SemaRef.Diag(S->getBeginLoc(), diag::err_omp_loop_not_canonical_incr) | ||||||||
7825 | << S->getSourceRange() << LCDecl; | ||||||||
7826 | return true; | ||||||||
7827 | } | ||||||||
7828 | |||||||||
7829 | static ExprResult | ||||||||
7830 | tryBuildCapture(Sema &SemaRef, Expr *Capture, | ||||||||
7831 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) { | ||||||||
7832 | if (SemaRef.CurContext->isDependentContext() || Capture->containsErrors()) | ||||||||
7833 | return Capture; | ||||||||
7834 | if (Capture->isEvaluatable(SemaRef.Context, Expr::SE_AllowSideEffects)) | ||||||||
7835 | return SemaRef.PerformImplicitConversion( | ||||||||
7836 | Capture->IgnoreImpCasts(), Capture->getType(), Sema::AA_Converting, | ||||||||
7837 | /*AllowExplicit=*/true); | ||||||||
7838 | auto I = Captures.find(Capture); | ||||||||
7839 | if (I != Captures.end()) | ||||||||
7840 | return buildCapture(SemaRef, Capture, I->second); | ||||||||
7841 | DeclRefExpr *Ref = nullptr; | ||||||||
7842 | ExprResult Res = buildCapture(SemaRef, Capture, Ref); | ||||||||
7843 | Captures[Capture] = Ref; | ||||||||
7844 | return Res; | ||||||||
7845 | } | ||||||||
7846 | |||||||||
7847 | /// Calculate number of iterations, transforming to unsigned, if number of | ||||||||
7848 | /// iterations may be larger than the original type. | ||||||||
7849 | static Expr * | ||||||||
7850 | calculateNumIters(Sema &SemaRef, Scope *S, SourceLocation DefaultLoc, | ||||||||
7851 | Expr *Lower, Expr *Upper, Expr *Step, QualType LCTy, | ||||||||
7852 | bool TestIsStrictOp, bool RoundToStep, | ||||||||
7853 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) { | ||||||||
7854 | ExprResult NewStep = tryBuildCapture(SemaRef, Step, Captures); | ||||||||
7855 | if (!NewStep.isUsable()) | ||||||||
7856 | return nullptr; | ||||||||
7857 | llvm::APSInt LRes, SRes; | ||||||||
7858 | bool IsLowerConst = false, IsStepConst = false; | ||||||||
7859 | if (Optional<llvm::APSInt> Res = Lower->getIntegerConstantExpr(SemaRef.Context)) { | ||||||||
7860 | LRes = *Res; | ||||||||
7861 | IsLowerConst = true; | ||||||||
7862 | } | ||||||||
7863 | if (Optional<llvm::APSInt> Res = Step->getIntegerConstantExpr(SemaRef.Context)) { | ||||||||
7864 | SRes = *Res; | ||||||||
7865 | IsStepConst = true; | ||||||||
7866 | } | ||||||||
7867 | bool NoNeedToConvert = IsLowerConst && !RoundToStep && | ||||||||
7868 | ((!TestIsStrictOp && LRes.isNonNegative()) || | ||||||||
7869 | (TestIsStrictOp && LRes.isStrictlyPositive())); | ||||||||
7870 | bool NeedToReorganize = false; | ||||||||
7871 | // Check if any subexpressions in Lower -Step [+ 1] lead to overflow. | ||||||||
7872 | if (!NoNeedToConvert && IsLowerConst && | ||||||||
7873 | (TestIsStrictOp || (RoundToStep && IsStepConst))) { | ||||||||
7874 | NoNeedToConvert = true; | ||||||||
7875 | if (RoundToStep) { | ||||||||
7876 | unsigned BW = LRes.getBitWidth() > SRes.getBitWidth() | ||||||||
7877 | ? LRes.getBitWidth() | ||||||||
7878 | : SRes.getBitWidth(); | ||||||||
7879 | LRes = LRes.extend(BW + 1); | ||||||||
7880 | LRes.setIsSigned(true); | ||||||||
7881 | SRes = SRes.extend(BW + 1); | ||||||||
7882 | SRes.setIsSigned(true); | ||||||||
7883 | LRes -= SRes; | ||||||||
7884 | NoNeedToConvert = LRes.trunc(BW).extend(BW + 1) == LRes; | ||||||||
7885 | LRes = LRes.trunc(BW); | ||||||||
7886 | } | ||||||||
7887 | if (TestIsStrictOp) { | ||||||||
7888 | unsigned BW = LRes.getBitWidth(); | ||||||||
7889 | LRes = LRes.extend(BW + 1); | ||||||||
7890 | LRes.setIsSigned(true); | ||||||||
7891 | ++LRes; | ||||||||
7892 | NoNeedToConvert = | ||||||||
7893 | NoNeedToConvert && LRes.trunc(BW).extend(BW + 1) == LRes; | ||||||||
7894 | // truncate to the original bitwidth. | ||||||||
7895 | LRes = LRes.trunc(BW); | ||||||||
7896 | } | ||||||||
7897 | NeedToReorganize = NoNeedToConvert; | ||||||||
7898 | } | ||||||||
7899 | llvm::APSInt URes; | ||||||||
7900 | bool IsUpperConst = false; | ||||||||
7901 | if (Optional<llvm::APSInt> Res = Upper->getIntegerConstantExpr(SemaRef.Context)) { | ||||||||
7902 | URes = *Res; | ||||||||
7903 | IsUpperConst = true; | ||||||||
7904 | } | ||||||||
7905 | if (NoNeedToConvert && IsLowerConst && IsUpperConst && | ||||||||
7906 | (!RoundToStep || IsStepConst)) { | ||||||||
7907 | unsigned BW = LRes.getBitWidth() > URes.getBitWidth() ? LRes.getBitWidth() | ||||||||
7908 | : URes.getBitWidth(); | ||||||||
7909 | LRes = LRes.extend(BW + 1); | ||||||||
7910 | LRes.setIsSigned(true); | ||||||||
7911 | URes = URes.extend(BW + 1); | ||||||||
7912 | URes.setIsSigned(true); | ||||||||
7913 | URes -= LRes; | ||||||||
7914 | NoNeedToConvert = URes.trunc(BW).extend(BW + 1) == URes; | ||||||||
7915 | NeedToReorganize = NoNeedToConvert; | ||||||||
7916 | } | ||||||||
7917 | // If the boundaries are not constant or (Lower - Step [+ 1]) is not constant | ||||||||
7918 | // or less than zero (Upper - (Lower - Step [+ 1]) may overflow) - promote to | ||||||||
7919 | // unsigned. | ||||||||
7920 | if ((!NoNeedToConvert || (LRes.isNegative() && !IsUpperConst)) && | ||||||||
7921 | !LCTy->isDependentType() && LCTy->isIntegerType()) { | ||||||||
7922 | QualType LowerTy = Lower->getType(); | ||||||||
7923 | QualType UpperTy = Upper->getType(); | ||||||||
7924 | uint64_t LowerSize = SemaRef.Context.getTypeSize(LowerTy); | ||||||||
7925 | uint64_t UpperSize = SemaRef.Context.getTypeSize(UpperTy); | ||||||||
7926 | if ((LowerSize <= UpperSize && UpperTy->hasSignedIntegerRepresentation()) || | ||||||||
7927 | (LowerSize > UpperSize && LowerTy->hasSignedIntegerRepresentation())) { | ||||||||
7928 | QualType CastType = SemaRef.Context.getIntTypeForBitwidth( | ||||||||
7929 | LowerSize > UpperSize ? LowerSize : UpperSize, /*Signed=*/0); | ||||||||
7930 | Upper = | ||||||||
7931 | SemaRef | ||||||||
7932 | .PerformImplicitConversion( | ||||||||
7933 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Upper).get(), | ||||||||
7934 | CastType, Sema::AA_Converting) | ||||||||
7935 | .get(); | ||||||||
7936 | Lower = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Lower).get(); | ||||||||
7937 | NewStep = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, NewStep.get()); | ||||||||
7938 | } | ||||||||
7939 | } | ||||||||
7940 | if (!Lower || !Upper || NewStep.isInvalid()) | ||||||||
7941 | return nullptr; | ||||||||
7942 | |||||||||
7943 | ExprResult Diff; | ||||||||
7944 | // If need to reorganize, then calculate the form as Upper - (Lower - Step [+ | ||||||||
7945 | // 1]). | ||||||||
7946 | if (NeedToReorganize) { | ||||||||
7947 | Diff = Lower; | ||||||||
7948 | |||||||||
7949 | if (RoundToStep) { | ||||||||
7950 | // Lower - Step | ||||||||
7951 | Diff = | ||||||||
7952 | SemaRef.BuildBinOp(S, DefaultLoc, BO_Sub, Diff.get(), NewStep.get()); | ||||||||
7953 | if (!Diff.isUsable()) | ||||||||
7954 | return nullptr; | ||||||||
7955 | } | ||||||||
7956 | |||||||||
7957 | // Lower - Step [+ 1] | ||||||||
7958 | if (TestIsStrictOp) | ||||||||
7959 | Diff = SemaRef.BuildBinOp( | ||||||||
7960 | S, DefaultLoc, BO_Add, Diff.get(), | ||||||||
7961 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()); | ||||||||
7962 | if (!Diff.isUsable()) | ||||||||
7963 | return nullptr; | ||||||||
7964 | |||||||||
7965 | Diff = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Diff.get()); | ||||||||
7966 | if (!Diff.isUsable()) | ||||||||
7967 | return nullptr; | ||||||||
7968 | |||||||||
7969 | // Upper - (Lower - Step [+ 1]). | ||||||||
7970 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Sub, Upper, Diff.get()); | ||||||||
7971 | if (!Diff.isUsable()) | ||||||||
7972 | return nullptr; | ||||||||
7973 | } else { | ||||||||
7974 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Sub, Upper, Lower); | ||||||||
7975 | |||||||||
7976 | if (!Diff.isUsable() && LCTy->getAsCXXRecordDecl()) { | ||||||||
7977 | // BuildBinOp already emitted error, this one is to point user to upper | ||||||||
7978 | // and lower bound, and to tell what is passed to 'operator-'. | ||||||||
7979 | SemaRef.Diag(Upper->getBeginLoc(), diag::err_omp_loop_diff_cxx) | ||||||||
7980 | << Upper->getSourceRange() << Lower->getSourceRange(); | ||||||||
7981 | return nullptr; | ||||||||
7982 | } | ||||||||
7983 | |||||||||
7984 | if (!Diff.isUsable()) | ||||||||
7985 | return nullptr; | ||||||||
7986 | |||||||||
7987 | // Upper - Lower [- 1] | ||||||||
7988 | if (TestIsStrictOp) | ||||||||
7989 | Diff = SemaRef.BuildBinOp( | ||||||||
7990 | S, DefaultLoc, BO_Sub, Diff.get(), | ||||||||
7991 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()); | ||||||||
7992 | if (!Diff.isUsable()) | ||||||||
7993 | return nullptr; | ||||||||
7994 | |||||||||
7995 | if (RoundToStep) { | ||||||||
7996 | // Upper - Lower [- 1] + Step | ||||||||
7997 | Diff = | ||||||||
7998 | SemaRef.BuildBinOp(S, DefaultLoc, BO_Add, Diff.get(), NewStep.get()); | ||||||||
7999 | if (!Diff.isUsable()) | ||||||||
8000 | return nullptr; | ||||||||
8001 | } | ||||||||
8002 | } | ||||||||
8003 | |||||||||
8004 | // Parentheses (for dumping/debugging purposes only). | ||||||||
8005 | Diff = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Diff.get()); | ||||||||
8006 | if (!Diff.isUsable()) | ||||||||
8007 | return nullptr; | ||||||||
8008 | |||||||||
8009 | // (Upper - Lower [- 1] + Step) / Step or (Upper - Lower) / Step | ||||||||
8010 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Div, Diff.get(), NewStep.get()); | ||||||||
8011 | if (!Diff.isUsable()) | ||||||||
8012 | return nullptr; | ||||||||
8013 | |||||||||
8014 | return Diff.get(); | ||||||||
8015 | } | ||||||||
8016 | |||||||||
8017 | /// Build the expression to calculate the number of iterations. | ||||||||
8018 | Expr *OpenMPIterationSpaceChecker::buildNumIterations( | ||||||||
8019 | Scope *S, ArrayRef<LoopIterationSpace> ResultIterSpaces, bool LimitedType, | ||||||||
8020 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const { | ||||||||
8021 | QualType VarType = LCDecl->getType().getNonReferenceType(); | ||||||||
8022 | if (!VarType->isIntegerType() && !VarType->isPointerType() && | ||||||||
8023 | !SemaRef.getLangOpts().CPlusPlus) | ||||||||
8024 | return nullptr; | ||||||||
8025 | Expr *LBVal = LB; | ||||||||
8026 | Expr *UBVal = UB; | ||||||||
8027 | // LB = TestIsLessOp.getValue() ? min(LB(MinVal), LB(MaxVal)) : | ||||||||
8028 | // max(LB(MinVal), LB(MaxVal)) | ||||||||
8029 | if (InitDependOnLC) { | ||||||||
8030 | const LoopIterationSpace &IS = ResultIterSpaces[*InitDependOnLC - 1]; | ||||||||
8031 | if (!IS.MinValue || !IS.MaxValue) | ||||||||
8032 | return nullptr; | ||||||||
8033 | // OuterVar = Min | ||||||||
8034 | ExprResult MinValue = | ||||||||
8035 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, IS.MinValue); | ||||||||
8036 | if (!MinValue.isUsable()) | ||||||||
8037 | return nullptr; | ||||||||
8038 | |||||||||
8039 | ExprResult LBMinVal = SemaRef.BuildBinOp(S, DefaultLoc, BO_Assign, | ||||||||
8040 | IS.CounterVar, MinValue.get()); | ||||||||
8041 | if (!LBMinVal.isUsable()) | ||||||||
8042 | return nullptr; | ||||||||
8043 | // OuterVar = Min, LBVal | ||||||||
8044 | LBMinVal = | ||||||||
8045 | SemaRef.BuildBinOp(S, DefaultLoc, BO_Comma, LBMinVal.get(), LBVal); | ||||||||
8046 | if (!LBMinVal.isUsable()) | ||||||||
8047 | return nullptr; | ||||||||
8048 | // (OuterVar = Min, LBVal) | ||||||||
8049 | LBMinVal = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, LBMinVal.get()); | ||||||||
8050 | if (!LBMinVal.isUsable()) | ||||||||
8051 | return nullptr; | ||||||||
8052 | |||||||||
8053 | // OuterVar = Max | ||||||||
8054 | ExprResult MaxValue = | ||||||||
8055 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, IS.MaxValue); | ||||||||
8056 | if (!MaxValue.isUsable()) | ||||||||
8057 | return nullptr; | ||||||||
8058 | |||||||||
8059 | ExprResult LBMaxVal = SemaRef.BuildBinOp(S, DefaultLoc, BO_Assign, | ||||||||
8060 | IS.CounterVar, MaxValue.get()); | ||||||||
8061 | if (!LBMaxVal.isUsable()) | ||||||||
8062 | return nullptr; | ||||||||
8063 | // OuterVar = Max, LBVal | ||||||||
8064 | LBMaxVal = | ||||||||
8065 | SemaRef.BuildBinOp(S, DefaultLoc, BO_Comma, LBMaxVal.get(), LBVal); | ||||||||
8066 | if (!LBMaxVal.isUsable()) | ||||||||
8067 | return nullptr; | ||||||||
8068 | // (OuterVar = Max, LBVal) | ||||||||
8069 | LBMaxVal = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, LBMaxVal.get()); | ||||||||
8070 | if (!LBMaxVal.isUsable()) | ||||||||
8071 | return nullptr; | ||||||||
8072 | |||||||||
8073 | Expr *LBMin = tryBuildCapture(SemaRef, LBMinVal.get(), Captures).get(); | ||||||||
8074 | Expr *LBMax = tryBuildCapture(SemaRef, LBMaxVal.get(), Captures).get(); | ||||||||
8075 | if (!LBMin || !LBMax) | ||||||||
8076 | return nullptr; | ||||||||
8077 | // LB(MinVal) < LB(MaxVal) | ||||||||
8078 | ExprResult MinLessMaxRes = | ||||||||
8079 | SemaRef.BuildBinOp(S, DefaultLoc, BO_LT, LBMin, LBMax); | ||||||||
8080 | if (!MinLessMaxRes.isUsable()) | ||||||||
8081 | return nullptr; | ||||||||
8082 | Expr *MinLessMax = | ||||||||
8083 | tryBuildCapture(SemaRef, MinLessMaxRes.get(), Captures).get(); | ||||||||
8084 | if (!MinLessMax) | ||||||||
8085 | return nullptr; | ||||||||
8086 | if (TestIsLessOp.getValue()) { | ||||||||
8087 | // LB(MinVal) < LB(MaxVal) ? LB(MinVal) : LB(MaxVal) - min(LB(MinVal), | ||||||||
8088 | // LB(MaxVal)) | ||||||||
8089 | ExprResult MinLB = SemaRef.ActOnConditionalOp(DefaultLoc, DefaultLoc, | ||||||||
8090 | MinLessMax, LBMin, LBMax); | ||||||||
8091 | if (!MinLB.isUsable()) | ||||||||
8092 | return nullptr; | ||||||||
8093 | LBVal = MinLB.get(); | ||||||||
8094 | } else { | ||||||||
8095 | // LB(MinVal) < LB(MaxVal) ? LB(MaxVal) : LB(MinVal) - max(LB(MinVal), | ||||||||
8096 | // LB(MaxVal)) | ||||||||
8097 | ExprResult MaxLB = SemaRef.ActOnConditionalOp(DefaultLoc, DefaultLoc, | ||||||||
8098 | MinLessMax, LBMax, LBMin); | ||||||||
8099 | if (!MaxLB.isUsable()) | ||||||||
8100 | return nullptr; | ||||||||
8101 | LBVal = MaxLB.get(); | ||||||||
8102 | } | ||||||||
8103 | } | ||||||||
8104 | // UB = TestIsLessOp.getValue() ? max(UB(MinVal), UB(MaxVal)) : | ||||||||
8105 | // min(UB(MinVal), UB(MaxVal)) | ||||||||
8106 | if (CondDependOnLC) { | ||||||||
8107 | const LoopIterationSpace &IS = ResultIterSpaces[*CondDependOnLC - 1]; | ||||||||
8108 | if (!IS.MinValue || !IS.MaxValue) | ||||||||
8109 | return nullptr; | ||||||||
8110 | // OuterVar = Min | ||||||||
8111 | ExprResult MinValue = | ||||||||
8112 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, IS.MinValue); | ||||||||
8113 | if (!MinValue.isUsable()) | ||||||||
8114 | return nullptr; | ||||||||
8115 | |||||||||
8116 | ExprResult UBMinVal = SemaRef.BuildBinOp(S, DefaultLoc, BO_Assign, | ||||||||
8117 | IS.CounterVar, MinValue.get()); | ||||||||
8118 | if (!UBMinVal.isUsable()) | ||||||||
8119 | return nullptr; | ||||||||
8120 | // OuterVar = Min, UBVal | ||||||||
8121 | UBMinVal = | ||||||||
8122 | SemaRef.BuildBinOp(S, DefaultLoc, BO_Comma, UBMinVal.get(), UBVal); | ||||||||
8123 | if (!UBMinVal.isUsable()) | ||||||||
8124 | return nullptr; | ||||||||
8125 | // (OuterVar = Min, UBVal) | ||||||||
8126 | UBMinVal = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, UBMinVal.get()); | ||||||||
8127 | if (!UBMinVal.isUsable()) | ||||||||
8128 | return nullptr; | ||||||||
8129 | |||||||||
8130 | // OuterVar = Max | ||||||||
8131 | ExprResult MaxValue = | ||||||||
8132 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, IS.MaxValue); | ||||||||
8133 | if (!MaxValue.isUsable()) | ||||||||
8134 | return nullptr; | ||||||||
8135 | |||||||||
8136 | ExprResult UBMaxVal = SemaRef.BuildBinOp(S, DefaultLoc, BO_Assign, | ||||||||
8137 | IS.CounterVar, MaxValue.get()); | ||||||||
8138 | if (!UBMaxVal.isUsable()) | ||||||||
8139 | return nullptr; | ||||||||
8140 | // OuterVar = Max, UBVal | ||||||||
8141 | UBMaxVal = | ||||||||
8142 | SemaRef.BuildBinOp(S, DefaultLoc, BO_Comma, UBMaxVal.get(), UBVal); | ||||||||
8143 | if (!UBMaxVal.isUsable()) | ||||||||
8144 | return nullptr; | ||||||||
8145 | // (OuterVar = Max, UBVal) | ||||||||
8146 | UBMaxVal = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, UBMaxVal.get()); | ||||||||
8147 | if (!UBMaxVal.isUsable()) | ||||||||
8148 | return nullptr; | ||||||||
8149 | |||||||||
8150 | Expr *UBMin = tryBuildCapture(SemaRef, UBMinVal.get(), Captures).get(); | ||||||||
8151 | Expr *UBMax = tryBuildCapture(SemaRef, UBMaxVal.get(), Captures).get(); | ||||||||
8152 | if (!UBMin || !UBMax) | ||||||||
8153 | return nullptr; | ||||||||
8154 | // UB(MinVal) > UB(MaxVal) | ||||||||
8155 | ExprResult MinGreaterMaxRes = | ||||||||
8156 | SemaRef.BuildBinOp(S, DefaultLoc, BO_GT, UBMin, UBMax); | ||||||||
8157 | if (!MinGreaterMaxRes.isUsable()) | ||||||||
8158 | return nullptr; | ||||||||
8159 | Expr *MinGreaterMax = | ||||||||
8160 | tryBuildCapture(SemaRef, MinGreaterMaxRes.get(), Captures).get(); | ||||||||
8161 | if (!MinGreaterMax) | ||||||||
8162 | return nullptr; | ||||||||
8163 | if (TestIsLessOp.getValue()) { | ||||||||
8164 | // UB(MinVal) > UB(MaxVal) ? UB(MinVal) : UB(MaxVal) - max(UB(MinVal), | ||||||||
8165 | // UB(MaxVal)) | ||||||||
8166 | ExprResult MaxUB = SemaRef.ActOnConditionalOp( | ||||||||
8167 | DefaultLoc, DefaultLoc, MinGreaterMax, UBMin, UBMax); | ||||||||
8168 | if (!MaxUB.isUsable()) | ||||||||
8169 | return nullptr; | ||||||||
8170 | UBVal = MaxUB.get(); | ||||||||
8171 | } else { | ||||||||
8172 | // UB(MinVal) > UB(MaxVal) ? UB(MaxVal) : UB(MinVal) - min(UB(MinVal), | ||||||||
8173 | // UB(MaxVal)) | ||||||||
8174 | ExprResult MinUB = SemaRef.ActOnConditionalOp( | ||||||||
8175 | DefaultLoc, DefaultLoc, MinGreaterMax, UBMax, UBMin); | ||||||||
8176 | if (!MinUB.isUsable()) | ||||||||
8177 | return nullptr; | ||||||||
8178 | UBVal = MinUB.get(); | ||||||||
8179 | } | ||||||||
8180 | } | ||||||||
8181 | Expr *UBExpr = TestIsLessOp.getValue() ? UBVal : LBVal; | ||||||||
8182 | Expr *LBExpr = TestIsLessOp.getValue() ? LBVal : UBVal; | ||||||||
8183 | Expr *Upper = tryBuildCapture(SemaRef, UBExpr, Captures).get(); | ||||||||
8184 | Expr *Lower = tryBuildCapture(SemaRef, LBExpr, Captures).get(); | ||||||||
8185 | if (!Upper || !Lower) | ||||||||
8186 | return nullptr; | ||||||||
8187 | |||||||||
8188 | ExprResult Diff = calculateNumIters(SemaRef, S, DefaultLoc, Lower, Upper, | ||||||||
8189 | Step, VarType, TestIsStrictOp, | ||||||||
8190 | /*RoundToStep=*/true, Captures); | ||||||||
8191 | if (!Diff.isUsable()) | ||||||||
8192 | return nullptr; | ||||||||
8193 | |||||||||
8194 | // OpenMP runtime requires 32-bit or 64-bit loop variables. | ||||||||
8195 | QualType Type = Diff.get()->getType(); | ||||||||
8196 | ASTContext &C = SemaRef.Context; | ||||||||
8197 | bool UseVarType = VarType->hasIntegerRepresentation() && | ||||||||
8198 | C.getTypeSize(Type) > C.getTypeSize(VarType); | ||||||||
8199 | if (!Type->isIntegerType() || UseVarType) { | ||||||||
8200 | unsigned NewSize = | ||||||||
8201 | UseVarType ? C.getTypeSize(VarType) : C.getTypeSize(Type); | ||||||||
8202 | bool IsSigned = UseVarType ? VarType->hasSignedIntegerRepresentation() | ||||||||
8203 | : Type->hasSignedIntegerRepresentation(); | ||||||||
8204 | Type = C.getIntTypeForBitwidth(NewSize, IsSigned); | ||||||||
8205 | if (!SemaRef.Context.hasSameType(Diff.get()->getType(), Type)) { | ||||||||
8206 | Diff = SemaRef.PerformImplicitConversion( | ||||||||
8207 | Diff.get(), Type, Sema::AA_Converting, /*AllowExplicit=*/true); | ||||||||
8208 | if (!Diff.isUsable()) | ||||||||
8209 | return nullptr; | ||||||||
8210 | } | ||||||||
8211 | } | ||||||||
8212 | if (LimitedType) { | ||||||||
8213 | unsigned NewSize = (C.getTypeSize(Type) > 32) ? 64 : 32; | ||||||||
8214 | if (NewSize != C.getTypeSize(Type)) { | ||||||||
8215 | if (NewSize < C.getTypeSize(Type)) { | ||||||||
8216 | assert(NewSize == 64 && "incorrect loop var size")((void)0); | ||||||||
8217 | SemaRef.Diag(DefaultLoc, diag::warn_omp_loop_64_bit_var) | ||||||||
8218 | << InitSrcRange << ConditionSrcRange; | ||||||||
8219 | } | ||||||||
8220 | QualType NewType = C.getIntTypeForBitwidth( | ||||||||
8221 | NewSize, Type->hasSignedIntegerRepresentation() || | ||||||||
8222 | C.getTypeSize(Type) < NewSize); | ||||||||
8223 | if (!SemaRef.Context.hasSameType(Diff.get()->getType(), NewType)) { | ||||||||
8224 | Diff = SemaRef.PerformImplicitConversion(Diff.get(), NewType, | ||||||||
8225 | Sema::AA_Converting, true); | ||||||||
8226 | if (!Diff.isUsable()) | ||||||||
8227 | return nullptr; | ||||||||
8228 | } | ||||||||
8229 | } | ||||||||
8230 | } | ||||||||
8231 | |||||||||
8232 | return Diff.get(); | ||||||||
8233 | } | ||||||||
8234 | |||||||||
8235 | std::pair<Expr *, Expr *> OpenMPIterationSpaceChecker::buildMinMaxValues( | ||||||||
8236 | Scope *S, llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const { | ||||||||
8237 | // Do not build for iterators, they cannot be used in non-rectangular loop | ||||||||
8238 | // nests. | ||||||||
8239 | if (LCDecl->getType()->isRecordType()) | ||||||||
8240 | return std::make_pair(nullptr, nullptr); | ||||||||
8241 | // If we subtract, the min is in the condition, otherwise the min is in the | ||||||||
8242 | // init value. | ||||||||
8243 | Expr *MinExpr = nullptr; | ||||||||
8244 | Expr *MaxExpr = nullptr; | ||||||||
8245 | Expr *LBExpr = TestIsLessOp.getValue() ? LB : UB; | ||||||||
8246 | Expr *UBExpr = TestIsLessOp.getValue() ? UB : LB; | ||||||||
8247 | bool LBNonRect = TestIsLessOp.getValue() ? InitDependOnLC.hasValue() | ||||||||
8248 | : CondDependOnLC.hasValue(); | ||||||||
8249 | bool UBNonRect = TestIsLessOp.getValue() ? CondDependOnLC.hasValue() | ||||||||
8250 | : InitDependOnLC.hasValue(); | ||||||||
8251 | Expr *Lower = | ||||||||
8252 | LBNonRect ? LBExpr : tryBuildCapture(SemaRef, LBExpr, Captures).get(); | ||||||||
8253 | Expr *Upper = | ||||||||
8254 | UBNonRect ? UBExpr : tryBuildCapture(SemaRef, UBExpr, Captures).get(); | ||||||||
8255 | if (!Upper || !Lower) | ||||||||
8256 | return std::make_pair(nullptr, nullptr); | ||||||||
8257 | |||||||||
8258 | if (TestIsLessOp.getValue()) | ||||||||
8259 | MinExpr = Lower; | ||||||||
8260 | else | ||||||||
8261 | MaxExpr = Upper; | ||||||||
8262 | |||||||||
8263 | // Build minimum/maximum value based on number of iterations. | ||||||||
8264 | QualType VarType = LCDecl->getType().getNonReferenceType(); | ||||||||
8265 | |||||||||
8266 | ExprResult Diff = calculateNumIters(SemaRef, S, DefaultLoc, Lower, Upper, | ||||||||
8267 | Step, VarType, TestIsStrictOp, | ||||||||
8268 | /*RoundToStep=*/false, Captures); | ||||||||
8269 | if (!Diff.isUsable()) | ||||||||
8270 | return std::make_pair(nullptr, nullptr); | ||||||||
8271 | |||||||||
8272 | // ((Upper - Lower [- 1]) / Step) * Step | ||||||||
8273 | // Parentheses (for dumping/debugging purposes only). | ||||||||
8274 | Diff = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Diff.get()); | ||||||||
8275 | if (!Diff.isUsable()) | ||||||||
8276 | return std::make_pair(nullptr, nullptr); | ||||||||
8277 | |||||||||
8278 | ExprResult NewStep = tryBuildCapture(SemaRef, Step, Captures); | ||||||||
8279 | if (!NewStep.isUsable()) | ||||||||
8280 | return std::make_pair(nullptr, nullptr); | ||||||||
8281 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Mul, Diff.get(), NewStep.get()); | ||||||||
8282 | if (!Diff.isUsable()) | ||||||||
8283 | return std::make_pair(nullptr, nullptr); | ||||||||
8284 | |||||||||
8285 | // Parentheses (for dumping/debugging purposes only). | ||||||||
8286 | Diff = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Diff.get()); | ||||||||
8287 | if (!Diff.isUsable()) | ||||||||
8288 | return std::make_pair(nullptr, nullptr); | ||||||||
8289 | |||||||||
8290 | // Convert to the ptrdiff_t, if original type is pointer. | ||||||||
8291 | if (VarType->isAnyPointerType() && | ||||||||
8292 | !SemaRef.Context.hasSameType( | ||||||||
8293 | Diff.get()->getType(), | ||||||||
8294 | SemaRef.Context.getUnsignedPointerDiffType())) { | ||||||||
8295 | Diff = SemaRef.PerformImplicitConversion( | ||||||||
8296 | Diff.get(), SemaRef.Context.getUnsignedPointerDiffType(), | ||||||||
8297 | Sema::AA_Converting, /*AllowExplicit=*/true); | ||||||||
8298 | } | ||||||||
8299 | if (!Diff.isUsable()) | ||||||||
8300 | return std::make_pair(nullptr, nullptr); | ||||||||
8301 | |||||||||
8302 | if (TestIsLessOp.getValue()) { | ||||||||
8303 | // MinExpr = Lower; | ||||||||
8304 | // MaxExpr = Lower + (((Upper - Lower [- 1]) / Step) * Step) | ||||||||
8305 | Diff = SemaRef.BuildBinOp( | ||||||||
8306 | S, DefaultLoc, BO_Add, | ||||||||
8307 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Lower).get(), | ||||||||
8308 | Diff.get()); | ||||||||
8309 | if (!Diff.isUsable()) | ||||||||
8310 | return std::make_pair(nullptr, nullptr); | ||||||||
8311 | } else { | ||||||||
8312 | // MaxExpr = Upper; | ||||||||
8313 | // MinExpr = Upper - (((Upper - Lower [- 1]) / Step) * Step) | ||||||||
8314 | Diff = SemaRef.BuildBinOp( | ||||||||
8315 | S, DefaultLoc, BO_Sub, | ||||||||
8316 | SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Upper).get(), | ||||||||
8317 | Diff.get()); | ||||||||
8318 | if (!Diff.isUsable()) | ||||||||
8319 | return std::make_pair(nullptr, nullptr); | ||||||||
8320 | } | ||||||||
8321 | |||||||||
8322 | // Convert to the original type. | ||||||||
8323 | if (SemaRef.Context.hasSameType(Diff.get()->getType(), VarType)) | ||||||||
8324 | Diff = SemaRef.PerformImplicitConversion(Diff.get(), VarType, | ||||||||
8325 | Sema::AA_Converting, | ||||||||
8326 | /*AllowExplicit=*/true); | ||||||||
8327 | if (!Diff.isUsable()) | ||||||||
8328 | return std::make_pair(nullptr, nullptr); | ||||||||
8329 | |||||||||
8330 | Sema::TentativeAnalysisScope Trap(SemaRef); | ||||||||
8331 | Diff = SemaRef.ActOnFinishFullExpr(Diff.get(), /*DiscardedValue=*/false); | ||||||||
8332 | if (!Diff.isUsable()) | ||||||||
8333 | return std::make_pair(nullptr, nullptr); | ||||||||
8334 | |||||||||
8335 | if (TestIsLessOp.getValue()) | ||||||||
8336 | MaxExpr = Diff.get(); | ||||||||
8337 | else | ||||||||
8338 | MinExpr = Diff.get(); | ||||||||
8339 | |||||||||
8340 | return std::make_pair(MinExpr, MaxExpr); | ||||||||
8341 | } | ||||||||
8342 | |||||||||
8343 | Expr *OpenMPIterationSpaceChecker::buildFinalCondition(Scope *S) const { | ||||||||
8344 | if (InitDependOnLC || CondDependOnLC) | ||||||||
8345 | return Condition; | ||||||||
8346 | return nullptr; | ||||||||
8347 | } | ||||||||
8348 | |||||||||
8349 | Expr *OpenMPIterationSpaceChecker::buildPreCond( | ||||||||
8350 | Scope *S, Expr *Cond, | ||||||||
8351 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) const { | ||||||||
8352 | // Do not build a precondition when the condition/initialization is dependent | ||||||||
8353 | // to prevent pessimistic early loop exit. | ||||||||
8354 | // TODO: this can be improved by calculating min/max values but not sure that | ||||||||
8355 | // it will be very effective. | ||||||||
8356 | if (CondDependOnLC || InitDependOnLC) | ||||||||
8357 | return SemaRef.PerformImplicitConversion( | ||||||||
8358 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get(), | ||||||||
8359 | SemaRef.Context.BoolTy, /*Action=*/Sema::AA_Casting, | ||||||||
8360 | /*AllowExplicit=*/true).get(); | ||||||||
8361 | |||||||||
8362 | // Try to build LB <op> UB, where <op> is <, >, <=, or >=. | ||||||||
8363 | Sema::TentativeAnalysisScope Trap(SemaRef); | ||||||||
8364 | |||||||||
8365 | ExprResult NewLB = tryBuildCapture(SemaRef, LB, Captures); | ||||||||
8366 | ExprResult NewUB = tryBuildCapture(SemaRef, UB, Captures); | ||||||||
8367 | if (!NewLB.isUsable() || !NewUB.isUsable()) | ||||||||
8368 | return nullptr; | ||||||||
8369 | |||||||||
8370 | ExprResult CondExpr = | ||||||||
8371 | SemaRef.BuildBinOp(S, DefaultLoc, | ||||||||
8372 | TestIsLessOp.getValue() ? | ||||||||
8373 | (TestIsStrictOp ? BO_LT : BO_LE) : | ||||||||
8374 | (TestIsStrictOp ? BO_GT : BO_GE), | ||||||||
8375 | NewLB.get(), NewUB.get()); | ||||||||
8376 | if (CondExpr.isUsable()) { | ||||||||
8377 | if (!SemaRef.Context.hasSameUnqualifiedType(CondExpr.get()->getType(), | ||||||||
8378 | SemaRef.Context.BoolTy)) | ||||||||
8379 | CondExpr = SemaRef.PerformImplicitConversion( | ||||||||
8380 | CondExpr.get(), SemaRef.Context.BoolTy, /*Action=*/Sema::AA_Casting, | ||||||||
8381 | /*AllowExplicit=*/true); | ||||||||
8382 | } | ||||||||
8383 | |||||||||
8384 | // Otherwise use original loop condition and evaluate it in runtime. | ||||||||
8385 | return CondExpr.isUsable() ? CondExpr.get() : Cond; | ||||||||
8386 | } | ||||||||
8387 | |||||||||
8388 | /// Build reference expression to the counter be used for codegen. | ||||||||
8389 | DeclRefExpr *OpenMPIterationSpaceChecker::buildCounterVar( | ||||||||
8390 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures, | ||||||||
8391 | DSAStackTy &DSA) const { | ||||||||
8392 | auto *VD = dyn_cast<VarDecl>(LCDecl); | ||||||||
8393 | if (!VD) { | ||||||||
8394 | VD = SemaRef.isOpenMPCapturedDecl(LCDecl); | ||||||||
8395 | DeclRefExpr *Ref = buildDeclRefExpr( | ||||||||
8396 | SemaRef, VD, VD->getType().getNonReferenceType(), DefaultLoc); | ||||||||
8397 | const DSAStackTy::DSAVarData Data = | ||||||||
8398 | DSA.getTopDSA(LCDecl, /*FromParent=*/false); | ||||||||
8399 | // If the loop control decl is explicitly marked as private, do not mark it | ||||||||
8400 | // as captured again. | ||||||||
8401 | if (!isOpenMPPrivate(Data.CKind) || !Data.RefExpr) | ||||||||
8402 | Captures.insert(std::make_pair(LCRef, Ref)); | ||||||||
8403 | return Ref; | ||||||||
8404 | } | ||||||||
8405 | return cast<DeclRefExpr>(LCRef); | ||||||||
8406 | } | ||||||||
8407 | |||||||||
8408 | Expr *OpenMPIterationSpaceChecker::buildPrivateCounterVar() const { | ||||||||
8409 | if (LCDecl && !LCDecl->isInvalidDecl()) { | ||||||||
8410 | QualType Type = LCDecl->getType().getNonReferenceType(); | ||||||||
8411 | VarDecl *PrivateVar = buildVarDecl( | ||||||||
8412 | SemaRef, DefaultLoc, Type, LCDecl->getName(), | ||||||||
8413 | LCDecl->hasAttrs() ? &LCDecl->getAttrs() : nullptr, | ||||||||
8414 | isa<VarDecl>(LCDecl) | ||||||||
8415 | ? buildDeclRefExpr(SemaRef, cast<VarDecl>(LCDecl), Type, DefaultLoc) | ||||||||
8416 | : nullptr); | ||||||||
8417 | if (PrivateVar->isInvalidDecl()) | ||||||||
8418 | return nullptr; | ||||||||
8419 | return buildDeclRefExpr(SemaRef, PrivateVar, Type, DefaultLoc); | ||||||||
8420 | } | ||||||||
8421 | return nullptr; | ||||||||
8422 | } | ||||||||
8423 | |||||||||
8424 | /// Build initialization of the counter to be used for codegen. | ||||||||
8425 | Expr *OpenMPIterationSpaceChecker::buildCounterInit() const { return LB; } | ||||||||
8426 | |||||||||
8427 | /// Build step of the counter be used for codegen. | ||||||||
8428 | Expr *OpenMPIterationSpaceChecker::buildCounterStep() const { return Step; } | ||||||||
8429 | |||||||||
8430 | Expr *OpenMPIterationSpaceChecker::buildOrderedLoopData( | ||||||||
8431 | Scope *S, Expr *Counter, | ||||||||
8432 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures, SourceLocation Loc, | ||||||||
8433 | Expr *Inc, OverloadedOperatorKind OOK) { | ||||||||
8434 | Expr *Cnt = SemaRef.DefaultLvalueConversion(Counter).get(); | ||||||||
8435 | if (!Cnt) | ||||||||
8436 | return nullptr; | ||||||||
8437 | if (Inc) { | ||||||||
8438 | assert((OOK == OO_Plus || OOK == OO_Minus) &&((void)0) | ||||||||
8439 | "Expected only + or - operations for depend clauses.")((void)0); | ||||||||
8440 | BinaryOperatorKind BOK = (OOK == OO_Plus) ? BO_Add : BO_Sub; | ||||||||
8441 | Cnt = SemaRef.BuildBinOp(S, Loc, BOK, Cnt, Inc).get(); | ||||||||
8442 | if (!Cnt) | ||||||||
8443 | return nullptr; | ||||||||
8444 | } | ||||||||
8445 | QualType VarType = LCDecl->getType().getNonReferenceType(); | ||||||||
8446 | if (!VarType->isIntegerType() && !VarType->isPointerType() && | ||||||||
8447 | !SemaRef.getLangOpts().CPlusPlus) | ||||||||
8448 | return nullptr; | ||||||||
8449 | // Upper - Lower | ||||||||
8450 | Expr *Upper = TestIsLessOp.getValue() | ||||||||
8451 | ? Cnt | ||||||||
8452 | : tryBuildCapture(SemaRef, LB, Captures).get(); | ||||||||
8453 | Expr *Lower = TestIsLessOp.getValue() | ||||||||
8454 | ? tryBuildCapture(SemaRef, LB, Captures).get() | ||||||||
8455 | : Cnt; | ||||||||
8456 | if (!Upper || !Lower) | ||||||||
8457 | return nullptr; | ||||||||
8458 | |||||||||
8459 | ExprResult Diff = calculateNumIters( | ||||||||
8460 | SemaRef, S, DefaultLoc, Lower, Upper, Step, VarType, | ||||||||
8461 | /*TestIsStrictOp=*/false, /*RoundToStep=*/false, Captures); | ||||||||
8462 | if (!Diff.isUsable()) | ||||||||
8463 | return nullptr; | ||||||||
8464 | |||||||||
8465 | return Diff.get(); | ||||||||
8466 | } | ||||||||
8467 | } // namespace | ||||||||
8468 | |||||||||
8469 | void Sema::ActOnOpenMPLoopInitialization(SourceLocation ForLoc, Stmt *Init) { | ||||||||
8470 | assert(getLangOpts().OpenMP && "OpenMP is not active.")((void)0); | ||||||||
8471 | assert(Init && "Expected loop in canonical form.")((void)0); | ||||||||
8472 | unsigned AssociatedLoops = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getAssociatedLoops(); | ||||||||
8473 | if (AssociatedLoops > 0 && | ||||||||
8474 | isOpenMPLoopDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) { | ||||||||
8475 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->loopStart(); | ||||||||
8476 | OpenMPIterationSpaceChecker ISC(*this, /*SupportsNonRectangular=*/true, | ||||||||
8477 | *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), ForLoc); | ||||||||
8478 | if (!ISC.checkAndSetInit(Init, /*EmitDiags=*/false)) { | ||||||||
8479 | if (ValueDecl *D = ISC.getLoopDecl()) { | ||||||||
8480 | auto *VD = dyn_cast<VarDecl>(D); | ||||||||
8481 | DeclRefExpr *PrivateRef = nullptr; | ||||||||
8482 | if (!VD) { | ||||||||
8483 | if (VarDecl *Private = isOpenMPCapturedDecl(D)) { | ||||||||
8484 | VD = Private; | ||||||||
8485 | } else { | ||||||||
8486 | PrivateRef = buildCapture(*this, D, ISC.getLoopDeclRefExpr(), | ||||||||
8487 | /*WithInit=*/false); | ||||||||
8488 | VD = cast<VarDecl>(PrivateRef->getDecl()); | ||||||||
8489 | } | ||||||||
8490 | } | ||||||||
8491 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addLoopControlVariable(D, VD); | ||||||||
8492 | const Decl *LD = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getPossiblyLoopCunter(); | ||||||||
8493 | if (LD != D->getCanonicalDecl()) { | ||||||||
8494 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->resetPossibleLoopCounter(); | ||||||||
8495 | if (auto *Var = dyn_cast_or_null<VarDecl>(LD)) | ||||||||
8496 | MarkDeclarationsReferencedInExpr( | ||||||||
8497 | buildDeclRefExpr(*this, const_cast<VarDecl *>(Var), | ||||||||
8498 | Var->getType().getNonLValueExprType(Context), | ||||||||
8499 | ForLoc, /*RefersToCapture=*/true)); | ||||||||
8500 | } | ||||||||
8501 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | ||||||||
8502 | // OpenMP [2.14.1.1, Data-sharing Attribute Rules for Variables | ||||||||
8503 | // Referenced in a Construct, C/C++]. The loop iteration variable in the | ||||||||
8504 | // associated for-loop of a simd construct with just one associated | ||||||||
8505 | // for-loop may be listed in a linear clause with a constant-linear-step | ||||||||
8506 | // that is the increment of the associated for-loop. The loop iteration | ||||||||
8507 | // variable(s) in the associated for-loop(s) of a for or parallel for | ||||||||
8508 | // construct may be listed in a private or lastprivate clause. | ||||||||
8509 | DSAStackTy::DSAVarData DVar = | ||||||||
8510 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | ||||||||
8511 | // If LoopVarRefExpr is nullptr it means the corresponding loop variable | ||||||||
8512 | // is declared in the loop and it is predetermined as a private. | ||||||||
8513 | Expr *LoopDeclRefExpr = ISC.getLoopDeclRefExpr(); | ||||||||
8514 | OpenMPClauseKind PredeterminedCKind = | ||||||||
8515 | isOpenMPSimdDirective(DKind) | ||||||||
8516 | ? (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasMutipleLoops() ? OMPC_lastprivate : OMPC_linear) | ||||||||
8517 | : OMPC_private; | ||||||||
8518 | if (((isOpenMPSimdDirective(DKind) && DVar.CKind != OMPC_unknown && | ||||||||
8519 | DVar.CKind != PredeterminedCKind && DVar.RefExpr && | ||||||||
8520 | (LangOpts.OpenMP <= 45 || (DVar.CKind != OMPC_lastprivate && | ||||||||
8521 | DVar.CKind != OMPC_private))) || | ||||||||
8522 | ((isOpenMPWorksharingDirective(DKind) || DKind == OMPD_taskloop || | ||||||||
8523 | DKind == OMPD_master_taskloop || | ||||||||
8524 | DKind == OMPD_parallel_master_taskloop || | ||||||||
8525 | isOpenMPDistributeDirective(DKind)) && | ||||||||
8526 | !isOpenMPSimdDirective(DKind) && DVar.CKind != OMPC_unknown && | ||||||||
8527 | DVar.CKind != OMPC_private && DVar.CKind != OMPC_lastprivate)) && | ||||||||
8528 | (DVar.CKind != OMPC_private || DVar.RefExpr)) { | ||||||||
8529 | Diag(Init->getBeginLoc(), diag::err_omp_loop_var_dsa) | ||||||||
8530 | << getOpenMPClauseName(DVar.CKind) | ||||||||
8531 | << getOpenMPDirectiveName(DKind) | ||||||||
8532 | << getOpenMPClauseName(PredeterminedCKind); | ||||||||
8533 | if (DVar.RefExpr == nullptr) | ||||||||
8534 | DVar.CKind = PredeterminedCKind; | ||||||||
8535 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar, | ||||||||
8536 | /*IsLoopIterVar=*/true); | ||||||||
8537 | } else if (LoopDeclRefExpr) { | ||||||||
8538 | // Make the loop iteration variable private (for worksharing | ||||||||
8539 | // constructs), linear (for simd directives with the only one | ||||||||
8540 | // associated loop) or lastprivate (for simd directives with several | ||||||||
8541 | // collapsed or ordered loops). | ||||||||
8542 | if (DVar.CKind == OMPC_unknown) | ||||||||
8543 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, LoopDeclRefExpr, PredeterminedCKind, | ||||||||
8544 | PrivateRef); | ||||||||
8545 | } | ||||||||
8546 | } | ||||||||
8547 | } | ||||||||
8548 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setAssociatedLoops(AssociatedLoops - 1); | ||||||||
8549 | } | ||||||||
8550 | } | ||||||||
8551 | |||||||||
8552 | /// Called on a for stmt to check and extract its iteration space | ||||||||
8553 | /// for further processing (such as collapsing). | ||||||||
8554 | static bool checkOpenMPIterationSpace( | ||||||||
8555 | OpenMPDirectiveKind DKind, Stmt *S, Sema &SemaRef, DSAStackTy &DSA, | ||||||||
8556 | unsigned CurrentNestedLoopCount, unsigned NestedLoopCount, | ||||||||
8557 | unsigned TotalNestedLoopCount, Expr *CollapseLoopCountExpr, | ||||||||
8558 | Expr *OrderedLoopCountExpr, | ||||||||
8559 | Sema::VarsWithInheritedDSAType &VarsWithImplicitDSA, | ||||||||
8560 | llvm::MutableArrayRef<LoopIterationSpace> ResultIterSpaces, | ||||||||
8561 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) { | ||||||||
8562 | bool SupportsNonRectangular = !isOpenMPLoopTransformationDirective(DKind); | ||||||||
8563 | // OpenMP [2.9.1, Canonical Loop Form] | ||||||||
8564 | // for (init-expr; test-expr; incr-expr) structured-block | ||||||||
8565 | // for (range-decl: range-expr) structured-block | ||||||||
8566 | if (auto *CanonLoop = dyn_cast_or_null<OMPCanonicalLoop>(S)) | ||||||||
8567 | S = CanonLoop->getLoopStmt(); | ||||||||
8568 | auto *For = dyn_cast_or_null<ForStmt>(S); | ||||||||
8569 | auto *CXXFor = dyn_cast_or_null<CXXForRangeStmt>(S); | ||||||||
8570 | // Ranged for is supported only in OpenMP 5.0. | ||||||||
8571 | if (!For && (SemaRef.LangOpts.OpenMP <= 45 || !CXXFor)) { | ||||||||
8572 | SemaRef.Diag(S->getBeginLoc(), diag::err_omp_not_for) | ||||||||
8573 | << (CollapseLoopCountExpr != nullptr || OrderedLoopCountExpr != nullptr) | ||||||||
8574 | << getOpenMPDirectiveName(DKind) << TotalNestedLoopCount | ||||||||
8575 | << (CurrentNestedLoopCount > 0) << CurrentNestedLoopCount; | ||||||||
8576 | if (TotalNestedLoopCount > 1) { | ||||||||
8577 | if (CollapseLoopCountExpr && OrderedLoopCountExpr) | ||||||||
8578 | SemaRef.Diag(DSA.getConstructLoc(), | ||||||||
8579 | diag::note_omp_collapse_ordered_expr) | ||||||||
8580 | << 2 << CollapseLoopCountExpr->getSourceRange() | ||||||||
8581 | << OrderedLoopCountExpr->getSourceRange(); | ||||||||
8582 | else if (CollapseLoopCountExpr) | ||||||||
8583 | SemaRef.Diag(CollapseLoopCountExpr->getExprLoc(), | ||||||||
8584 | diag::note_omp_collapse_ordered_expr) | ||||||||
8585 | << 0 << CollapseLoopCountExpr->getSourceRange(); | ||||||||
8586 | else | ||||||||
8587 | SemaRef.Diag(OrderedLoopCountExpr->getExprLoc(), | ||||||||
8588 | diag::note_omp_collapse_ordered_expr) | ||||||||
8589 | << 1 << OrderedLoopCountExpr->getSourceRange(); | ||||||||
8590 | } | ||||||||
8591 | return true; | ||||||||
8592 | } | ||||||||
8593 | assert(((For && For->getBody()) || (CXXFor && CXXFor->getBody())) &&((void)0) | ||||||||
8594 | "No loop body.")((void)0); | ||||||||
8595 | |||||||||
8596 | OpenMPIterationSpaceChecker ISC(SemaRef, SupportsNonRectangular, DSA, | ||||||||
8597 | For ? For->getForLoc() : CXXFor->getForLoc()); | ||||||||
8598 | |||||||||
8599 | // Check init. | ||||||||
8600 | Stmt *Init = For ? For->getInit() : CXXFor->getBeginStmt(); | ||||||||
8601 | if (ISC.checkAndSetInit(Init)) | ||||||||
8602 | return true; | ||||||||
8603 | |||||||||
8604 | bool HasErrors = false; | ||||||||
8605 | |||||||||
8606 | // Check loop variable's type. | ||||||||
8607 | if (ValueDecl *LCDecl = ISC.getLoopDecl()) { | ||||||||
8608 | // OpenMP [2.6, Canonical Loop Form] | ||||||||
8609 | // Var is one of the following: | ||||||||
8610 | // A variable of signed or unsigned integer type. | ||||||||
8611 | // For C++, a variable of a random access iterator type. | ||||||||
8612 | // For C, a variable of a pointer type. | ||||||||
8613 | QualType VarType = LCDecl->getType().getNonReferenceType(); | ||||||||
8614 | if (!VarType->isDependentType() && !VarType->isIntegerType() && | ||||||||
8615 | !VarType->isPointerType() && | ||||||||
8616 | !(SemaRef.getLangOpts().CPlusPlus && VarType->isOverloadableType())) { | ||||||||
8617 | SemaRef.Diag(Init->getBeginLoc(), diag::err_omp_loop_variable_type) | ||||||||
8618 | << SemaRef.getLangOpts().CPlusPlus; | ||||||||
8619 | HasErrors = true; | ||||||||
8620 | } | ||||||||
8621 | |||||||||
8622 | // OpenMP, 2.14.1.1 Data-sharing Attribute Rules for Variables Referenced in | ||||||||
8623 | // a Construct | ||||||||
8624 | // The loop iteration variable(s) in the associated for-loop(s) of a for or | ||||||||
8625 | // parallel for construct is (are) private. | ||||||||
8626 | // The loop iteration variable in the associated for-loop of a simd | ||||||||
8627 | // construct with just one associated for-loop is linear with a | ||||||||
8628 | // constant-linear-step that is the increment of the associated for-loop. | ||||||||
8629 | // Exclude loop var from the list of variables with implicitly defined data | ||||||||
8630 | // sharing attributes. | ||||||||
8631 | VarsWithImplicitDSA.erase(LCDecl); | ||||||||
8632 | |||||||||
8633 | assert(isOpenMPLoopDirective(DKind) && "DSA for non-loop vars")((void)0); | ||||||||
8634 | |||||||||
8635 | // Check test-expr. | ||||||||
8636 | HasErrors |= ISC.checkAndSetCond(For ? For->getCond() : CXXFor->getCond()); | ||||||||
8637 | |||||||||
8638 | // Check incr-expr. | ||||||||
8639 | HasErrors |= ISC.checkAndSetInc(For ? For->getInc() : CXXFor->getInc()); | ||||||||
8640 | } | ||||||||
8641 | |||||||||
8642 | if (ISC.dependent() || SemaRef.CurContext->isDependentContext() || HasErrors) | ||||||||
8643 | return HasErrors; | ||||||||
8644 | |||||||||
8645 | // Build the loop's iteration space representation. | ||||||||
8646 | ResultIterSpaces[CurrentNestedLoopCount].PreCond = ISC.buildPreCond( | ||||||||
8647 | DSA.getCurScope(), For ? For->getCond() : CXXFor->getCond(), Captures); | ||||||||
8648 | ResultIterSpaces[CurrentNestedLoopCount].NumIterations = | ||||||||
8649 | ISC.buildNumIterations(DSA.getCurScope(), ResultIterSpaces, | ||||||||
8650 | (isOpenMPWorksharingDirective(DKind) || | ||||||||
8651 | isOpenMPTaskLoopDirective(DKind) || | ||||||||
8652 | isOpenMPDistributeDirective(DKind) || | ||||||||
8653 | isOpenMPLoopTransformationDirective(DKind)), | ||||||||
8654 | Captures); | ||||||||
8655 | ResultIterSpaces[CurrentNestedLoopCount].CounterVar = | ||||||||
8656 | ISC.buildCounterVar(Captures, DSA); | ||||||||
8657 | ResultIterSpaces[CurrentNestedLoopCount].PrivateCounterVar = | ||||||||
8658 | ISC.buildPrivateCounterVar(); | ||||||||
8659 | ResultIterSpaces[CurrentNestedLoopCount].CounterInit = ISC.buildCounterInit(); | ||||||||
8660 | ResultIterSpaces[CurrentNestedLoopCount].CounterStep = ISC.buildCounterStep(); | ||||||||
8661 | ResultIterSpaces[CurrentNestedLoopCount].InitSrcRange = ISC.getInitSrcRange(); | ||||||||
8662 | ResultIterSpaces[CurrentNestedLoopCount].CondSrcRange = | ||||||||
8663 | ISC.getConditionSrcRange(); | ||||||||
8664 | ResultIterSpaces[CurrentNestedLoopCount].IncSrcRange = | ||||||||
8665 | ISC.getIncrementSrcRange(); | ||||||||
8666 | ResultIterSpaces[CurrentNestedLoopCount].Subtract = ISC.shouldSubtractStep(); | ||||||||
8667 | ResultIterSpaces[CurrentNestedLoopCount].IsStrictCompare = | ||||||||
8668 | ISC.isStrictTestOp(); | ||||||||
8669 | std::tie(ResultIterSpaces[CurrentNestedLoopCount].MinValue, | ||||||||
8670 | ResultIterSpaces[CurrentNestedLoopCount].MaxValue) = | ||||||||
8671 | ISC.buildMinMaxValues(DSA.getCurScope(), Captures); | ||||||||
8672 | ResultIterSpaces[CurrentNestedLoopCount].FinalCondition = | ||||||||
8673 | ISC.buildFinalCondition(DSA.getCurScope()); | ||||||||
8674 | ResultIterSpaces[CurrentNestedLoopCount].IsNonRectangularLB = | ||||||||
8675 | ISC.doesInitDependOnLC(); | ||||||||
8676 | ResultIterSpaces[CurrentNestedLoopCount].IsNonRectangularUB = | ||||||||
8677 | ISC.doesCondDependOnLC(); | ||||||||
8678 | ResultIterSpaces[CurrentNestedLoopCount].LoopDependentIdx = | ||||||||
8679 | ISC.getLoopDependentIdx(); | ||||||||
8680 | |||||||||
8681 | HasErrors |= | ||||||||
8682 | (ResultIterSpaces[CurrentNestedLoopCount].PreCond == nullptr || | ||||||||
8683 | ResultIterSpaces[CurrentNestedLoopCount].NumIterations == nullptr || | ||||||||
8684 | ResultIterSpaces[CurrentNestedLoopCount].CounterVar == nullptr || | ||||||||
8685 | ResultIterSpaces[CurrentNestedLoopCount].PrivateCounterVar == nullptr || | ||||||||
8686 | ResultIterSpaces[CurrentNestedLoopCount].CounterInit == nullptr || | ||||||||
8687 | ResultIterSpaces[CurrentNestedLoopCount].CounterStep == nullptr); | ||||||||
8688 | if (!HasErrors && DSA.isOrderedRegion()) { | ||||||||
8689 | if (DSA.getOrderedRegionParam().second->getNumForLoops()) { | ||||||||
8690 | if (CurrentNestedLoopCount < | ||||||||
8691 | DSA.getOrderedRegionParam().second->getLoopNumIterations().size()) { | ||||||||
8692 | DSA.getOrderedRegionParam().second->setLoopNumIterations( | ||||||||
8693 | CurrentNestedLoopCount, | ||||||||
8694 | ResultIterSpaces[CurrentNestedLoopCount].NumIterations); | ||||||||
8695 | DSA.getOrderedRegionParam().second->setLoopCounter( | ||||||||
8696 | CurrentNestedLoopCount, | ||||||||
8697 | ResultIterSpaces[CurrentNestedLoopCount].CounterVar); | ||||||||
8698 | } | ||||||||
8699 | } | ||||||||
8700 | for (auto &Pair : DSA.getDoacrossDependClauses()) { | ||||||||
8701 | if (CurrentNestedLoopCount >= Pair.first->getNumLoops()) { | ||||||||
8702 | // Erroneous case - clause has some problems. | ||||||||
8703 | continue; | ||||||||
8704 | } | ||||||||
8705 | if (Pair.first->getDependencyKind() == OMPC_DEPEND_sink && | ||||||||
8706 | Pair.second.size() <= CurrentNestedLoopCount) { | ||||||||
8707 | // Erroneous case - clause has some problems. | ||||||||
8708 | Pair.first->setLoopData(CurrentNestedLoopCount, nullptr); | ||||||||
8709 | continue; | ||||||||
8710 | } | ||||||||
8711 | Expr *CntValue; | ||||||||
8712 | if (Pair.first->getDependencyKind() == OMPC_DEPEND_source) | ||||||||
8713 | CntValue = ISC.buildOrderedLoopData( | ||||||||
8714 | DSA.getCurScope(), | ||||||||
8715 | ResultIterSpaces[CurrentNestedLoopCount].CounterVar, Captures, | ||||||||
8716 | Pair.first->getDependencyLoc()); | ||||||||
8717 | else | ||||||||
8718 | CntValue = ISC.buildOrderedLoopData( | ||||||||
8719 | DSA.getCurScope(), | ||||||||
8720 | ResultIterSpaces[CurrentNestedLoopCount].CounterVar, Captures, | ||||||||
8721 | Pair.first->getDependencyLoc(), | ||||||||
8722 | Pair.second[CurrentNestedLoopCount].first, | ||||||||
8723 | Pair.second[CurrentNestedLoopCount].second); | ||||||||
8724 | Pair.first->setLoopData(CurrentNestedLoopCount, CntValue); | ||||||||
8725 | } | ||||||||
8726 | } | ||||||||
8727 | |||||||||
8728 | return HasErrors; | ||||||||
8729 | } | ||||||||
8730 | |||||||||
8731 | /// Build 'VarRef = Start. | ||||||||
8732 | static ExprResult | ||||||||
8733 | buildCounterInit(Sema &SemaRef, Scope *S, SourceLocation Loc, ExprResult VarRef, | ||||||||
8734 | ExprResult Start, bool IsNonRectangularLB, | ||||||||
8735 | llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) { | ||||||||
8736 | // Build 'VarRef = Start. | ||||||||
8737 | ExprResult NewStart = IsNonRectangularLB | ||||||||
8738 | ? Start.get() | ||||||||
8739 | : tryBuildCapture(SemaRef, Start.get(), Captures); | ||||||||
8740 | if (!NewStart.isUsable()) | ||||||||
8741 | return ExprError(); | ||||||||
8742 | if (!SemaRef.Context.hasSameType(NewStart.get()->getType(), | ||||||||
8743 | VarRef.get()->getType())) { | ||||||||
8744 | NewStart = SemaRef.PerformImplicitConversion( | ||||||||
8745 | NewStart.get(), VarRef.get()->getType(), Sema::AA_Converting, | ||||||||
8746 | /*AllowExplicit=*/true); | ||||||||
8747 | if (!NewStart.isUsable()) | ||||||||
8748 | return ExprError(); | ||||||||
8749 | } | ||||||||
8750 | |||||||||
8751 | ExprResult Init = | ||||||||
8752 | SemaRef.BuildBinOp(S, Loc, BO_Assign, VarRef.get(), NewStart.get()); | ||||||||
8753 | return Init; | ||||||||
8754 | } | ||||||||
8755 | |||||||||
8756 | /// Build 'VarRef = Start + Iter * Step'. | ||||||||
8757 | static ExprResult buildCounterUpdate( | ||||||||
8758 | Sema &SemaRef, Scope *S, SourceLocation Loc, ExprResult VarRef, | ||||||||
8759 | ExprResult Start, ExprResult Iter, ExprResult Step, bool Subtract, | ||||||||
8760 | bool IsNonRectangularLB, | ||||||||
8761 | llvm::MapVector<const Expr *, DeclRefExpr *> *Captures = nullptr) { | ||||||||
8762 | // Add parentheses (for debugging purposes only). | ||||||||
8763 | Iter = SemaRef.ActOnParenExpr(Loc, Loc, Iter.get()); | ||||||||
8764 | if (!VarRef.isUsable() || !Start.isUsable() || !Iter.isUsable() || | ||||||||
8765 | !Step.isUsable()) | ||||||||
8766 | return ExprError(); | ||||||||
8767 | |||||||||
8768 | ExprResult NewStep = Step; | ||||||||
8769 | if (Captures) | ||||||||
8770 | NewStep = tryBuildCapture(SemaRef, Step.get(), *Captures); | ||||||||
8771 | if (NewStep.isInvalid()) | ||||||||
8772 | return ExprError(); | ||||||||
8773 | ExprResult Update = | ||||||||
8774 | SemaRef.BuildBinOp(S, Loc, BO_Mul, Iter.get(), NewStep.get()); | ||||||||
8775 | if (!Update.isUsable()) | ||||||||
8776 | return ExprError(); | ||||||||
8777 | |||||||||
8778 | // Try to build 'VarRef = Start, VarRef (+|-)= Iter * Step' or | ||||||||
8779 | // 'VarRef = Start (+|-) Iter * Step'. | ||||||||
8780 | if (!Start.isUsable()) | ||||||||
8781 | return ExprError(); | ||||||||
8782 | ExprResult NewStart = SemaRef.ActOnParenExpr(Loc, Loc, Start.get()); | ||||||||
8783 | if (!NewStart.isUsable()) | ||||||||
8784 | return ExprError(); | ||||||||
8785 | if (Captures && !IsNonRectangularLB) | ||||||||
8786 | NewStart = tryBuildCapture(SemaRef, Start.get(), *Captures); | ||||||||
8787 | if (NewStart.isInvalid()) | ||||||||
8788 | return ExprError(); | ||||||||
8789 | |||||||||
8790 | // First attempt: try to build 'VarRef = Start, VarRef += Iter * Step'. | ||||||||
8791 | ExprResult SavedUpdate = Update; | ||||||||
8792 | ExprResult UpdateVal; | ||||||||
8793 | if (VarRef.get()->getType()->isOverloadableType() || | ||||||||
8794 | NewStart.get()->getType()->isOverloadableType() || | ||||||||
8795 | Update.get()->getType()->isOverloadableType()) { | ||||||||
8796 | Sema::TentativeAnalysisScope Trap(SemaRef); | ||||||||
8797 | |||||||||
8798 | Update = | ||||||||
8799 | SemaRef.BuildBinOp(S, Loc, BO_Assign, VarRef.get(), NewStart.get()); | ||||||||
8800 | if (Update.isUsable()) { | ||||||||
8801 | UpdateVal = | ||||||||
8802 | SemaRef.BuildBinOp(S, Loc, Subtract ? BO_SubAssign : BO_AddAssign, | ||||||||
8803 | VarRef.get(), SavedUpdate.get()); | ||||||||
8804 | if (UpdateVal.isUsable()) { | ||||||||
8805 | Update = SemaRef.CreateBuiltinBinOp(Loc, BO_Comma, Update.get(), | ||||||||
8806 | UpdateVal.get()); | ||||||||
8807 | } | ||||||||
8808 | } | ||||||||
8809 | } | ||||||||
8810 | |||||||||
8811 | // Second attempt: try to build 'VarRef = Start (+|-) Iter * Step'. | ||||||||
8812 | if (!Update.isUsable() || !UpdateVal.isUsable()) { | ||||||||
8813 | Update = SemaRef.BuildBinOp(S, Loc, Subtract ? BO_Sub : BO_Add, | ||||||||
8814 | NewStart.get(), SavedUpdate.get()); | ||||||||
8815 | if (!Update.isUsable()) | ||||||||
8816 | return ExprError(); | ||||||||
8817 | |||||||||
8818 | if (!SemaRef.Context.hasSameType(Update.get()->getType(), | ||||||||
8819 | VarRef.get()->getType())) { | ||||||||
8820 | Update = SemaRef.PerformImplicitConversion( | ||||||||
8821 | Update.get(), VarRef.get()->getType(), Sema::AA_Converting, true); | ||||||||
8822 | if (!Update.isUsable()) | ||||||||
8823 | return ExprError(); | ||||||||
8824 | } | ||||||||
8825 | |||||||||
8826 | Update = SemaRef.BuildBinOp(S, Loc, BO_Assign, VarRef.get(), Update.get()); | ||||||||
8827 | } | ||||||||
8828 | return Update; | ||||||||
8829 | } | ||||||||
8830 | |||||||||
8831 | /// Convert integer expression \a E to make it have at least \a Bits | ||||||||
8832 | /// bits. | ||||||||
8833 | static ExprResult widenIterationCount(unsigned Bits, Expr *E, Sema &SemaRef) { | ||||||||
8834 | if (E == nullptr) | ||||||||
8835 | return ExprError(); | ||||||||
8836 | ASTContext &C = SemaRef.Context; | ||||||||
8837 | QualType OldType = E->getType(); | ||||||||
8838 | unsigned HasBits = C.getTypeSize(OldType); | ||||||||
8839 | if (HasBits >= Bits) | ||||||||
8840 | return ExprResult(E); | ||||||||
8841 | // OK to convert to signed, because new type has more bits than old. | ||||||||
8842 | QualType NewType = C.getIntTypeForBitwidth(Bits, /* Signed */ true); | ||||||||
8843 | return SemaRef.PerformImplicitConversion(E, NewType, Sema::AA_Converting, | ||||||||
8844 | true); | ||||||||
8845 | } | ||||||||
8846 | |||||||||
8847 | /// Check if the given expression \a E is a constant integer that fits | ||||||||
8848 | /// into \a Bits bits. | ||||||||
8849 | static bool fitsInto(unsigned Bits, bool Signed, const Expr *E, Sema &SemaRef) { | ||||||||
8850 | if (E == nullptr) | ||||||||
8851 | return false; | ||||||||
8852 | if (Optional<llvm::APSInt> Result = | ||||||||
8853 | E->getIntegerConstantExpr(SemaRef.Context)) | ||||||||
8854 | return Signed ? Result->isSignedIntN(Bits) : Result->isIntN(Bits); | ||||||||
8855 | return false; | ||||||||
8856 | } | ||||||||
8857 | |||||||||
8858 | /// Build preinits statement for the given declarations. | ||||||||
8859 | static Stmt *buildPreInits(ASTContext &Context, | ||||||||
8860 | MutableArrayRef<Decl *> PreInits) { | ||||||||
8861 | if (!PreInits.empty()) { | ||||||||
8862 | return new (Context) DeclStmt( | ||||||||
8863 | DeclGroupRef::Create(Context, PreInits.begin(), PreInits.size()), | ||||||||
8864 | SourceLocation(), SourceLocation()); | ||||||||
8865 | } | ||||||||
8866 | return nullptr; | ||||||||
8867 | } | ||||||||
8868 | |||||||||
8869 | /// Build preinits statement for the given declarations. | ||||||||
8870 | static Stmt * | ||||||||
8871 | buildPreInits(ASTContext &Context, | ||||||||
8872 | const llvm::MapVector<const Expr *, DeclRefExpr *> &Captures) { | ||||||||
8873 | if (!Captures.empty()) { | ||||||||
8874 | SmallVector<Decl *, 16> PreInits; | ||||||||
8875 | for (const auto &Pair : Captures) | ||||||||
8876 | PreInits.push_back(Pair.second->getDecl()); | ||||||||
8877 | return buildPreInits(Context, PreInits); | ||||||||
8878 | } | ||||||||
8879 | return nullptr; | ||||||||
8880 | } | ||||||||
8881 | |||||||||
8882 | /// Build postupdate expression for the given list of postupdates expressions. | ||||||||
8883 | static Expr *buildPostUpdate(Sema &S, ArrayRef<Expr *> PostUpdates) { | ||||||||
8884 | Expr *PostUpdate = nullptr; | ||||||||
8885 | if (!PostUpdates.empty()) { | ||||||||
8886 | for (Expr *E : PostUpdates) { | ||||||||
8887 | Expr *ConvE = S.BuildCStyleCastExpr( | ||||||||
8888 | E->getExprLoc(), | ||||||||
8889 | S.Context.getTrivialTypeSourceInfo(S.Context.VoidTy), | ||||||||
8890 | E->getExprLoc(), E) | ||||||||
8891 | .get(); | ||||||||
8892 | PostUpdate = PostUpdate | ||||||||
8893 | ? S.CreateBuiltinBinOp(ConvE->getExprLoc(), BO_Comma, | ||||||||
8894 | PostUpdate, ConvE) | ||||||||
8895 | .get() | ||||||||
8896 | : ConvE; | ||||||||
8897 | } | ||||||||
8898 | } | ||||||||
8899 | return PostUpdate; | ||||||||
8900 | } | ||||||||
8901 | |||||||||
8902 | /// Called on a for stmt to check itself and nested loops (if any). | ||||||||
8903 | /// \return Returns 0 if one of the collapsed stmts is not canonical for loop, | ||||||||
8904 | /// number of collapsed loops otherwise. | ||||||||
8905 | static unsigned | ||||||||
8906 | checkOpenMPLoop(OpenMPDirectiveKind DKind, Expr *CollapseLoopCountExpr, | ||||||||
8907 | Expr *OrderedLoopCountExpr, Stmt *AStmt, Sema &SemaRef, | ||||||||
8908 | DSAStackTy &DSA, | ||||||||
8909 | Sema::VarsWithInheritedDSAType &VarsWithImplicitDSA, | ||||||||
8910 | OMPLoopBasedDirective::HelperExprs &Built) { | ||||||||
8911 | unsigned NestedLoopCount = 1; | ||||||||
8912 | bool SupportsNonPerfectlyNested = (SemaRef.LangOpts.OpenMP >= 50) && | ||||||||
8913 | !isOpenMPLoopTransformationDirective(DKind); | ||||||||
8914 | |||||||||
8915 | if (CollapseLoopCountExpr) { | ||||||||
8916 | // Found 'collapse' clause - calculate collapse number. | ||||||||
8917 | Expr::EvalResult Result; | ||||||||
8918 | if (!CollapseLoopCountExpr->isValueDependent() && | ||||||||
8919 | CollapseLoopCountExpr->EvaluateAsInt(Result, SemaRef.getASTContext())) { | ||||||||
8920 | NestedLoopCount = Result.Val.getInt().getLimitedValue(); | ||||||||
8921 | } else { | ||||||||
8922 | Built.clear(/*Size=*/1); | ||||||||
8923 | return 1; | ||||||||
8924 | } | ||||||||
8925 | } | ||||||||
8926 | unsigned OrderedLoopCount = 1; | ||||||||
8927 | if (OrderedLoopCountExpr) { | ||||||||
8928 | // Found 'ordered' clause - calculate collapse number. | ||||||||
8929 | Expr::EvalResult EVResult; | ||||||||
8930 | if (!OrderedLoopCountExpr->isValueDependent() && | ||||||||
8931 | OrderedLoopCountExpr->EvaluateAsInt(EVResult, | ||||||||
8932 | SemaRef.getASTContext())) { | ||||||||
8933 | llvm::APSInt Result = EVResult.Val.getInt(); | ||||||||
8934 | if (Result.getLimitedValue() < NestedLoopCount) { | ||||||||
8935 | SemaRef.Diag(OrderedLoopCountExpr->getExprLoc(), | ||||||||
8936 | diag::err_omp_wrong_ordered_loop_count) | ||||||||
8937 | << OrderedLoopCountExpr->getSourceRange(); | ||||||||
8938 | SemaRef.Diag(CollapseLoopCountExpr->getExprLoc(), | ||||||||
8939 | diag::note_collapse_loop_count) | ||||||||
8940 | << CollapseLoopCountExpr->getSourceRange(); | ||||||||
8941 | } | ||||||||
8942 | OrderedLoopCount = Result.getLimitedValue(); | ||||||||
8943 | } else { | ||||||||
8944 | Built.clear(/*Size=*/1); | ||||||||
8945 | return 1; | ||||||||
8946 | } | ||||||||
8947 | } | ||||||||
8948 | // This is helper routine for loop directives (e.g., 'for', 'simd', | ||||||||
8949 | // 'for simd', etc.). | ||||||||
8950 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | ||||||||
8951 | unsigned NumLoops = std::max(OrderedLoopCount, NestedLoopCount); | ||||||||
8952 | SmallVector<LoopIterationSpace, 4> IterSpaces(NumLoops); | ||||||||
8953 | if (!OMPLoopBasedDirective::doForAllLoops( | ||||||||
8954 | AStmt->IgnoreContainers(!isOpenMPLoopTransformationDirective(DKind)), | ||||||||
8955 | SupportsNonPerfectlyNested, NumLoops, | ||||||||
8956 | [DKind, &SemaRef, &DSA, NumLoops, NestedLoopCount, | ||||||||
8957 | CollapseLoopCountExpr, OrderedLoopCountExpr, &VarsWithImplicitDSA, | ||||||||
8958 | &IterSpaces, &Captures](unsigned Cnt, Stmt *CurStmt) { | ||||||||
8959 | if (checkOpenMPIterationSpace( | ||||||||
8960 | DKind, CurStmt, SemaRef, DSA, Cnt, NestedLoopCount, | ||||||||
8961 | NumLoops, CollapseLoopCountExpr, OrderedLoopCountExpr, | ||||||||
8962 | VarsWithImplicitDSA, IterSpaces, Captures)) | ||||||||
8963 | return true; | ||||||||
8964 | if (Cnt > 0 && Cnt >= NestedLoopCount && | ||||||||
8965 | IterSpaces[Cnt].CounterVar) { | ||||||||
8966 | // Handle initialization of captured loop iterator variables. | ||||||||
8967 | auto *DRE = cast<DeclRefExpr>(IterSpaces[Cnt].CounterVar); | ||||||||
8968 | if (isa<OMPCapturedExprDecl>(DRE->getDecl())) { | ||||||||
8969 | Captures[DRE] = DRE; | ||||||||
8970 | } | ||||||||
8971 | } | ||||||||
8972 | return false; | ||||||||
8973 | }, | ||||||||
8974 | [&SemaRef, &Captures](OMPLoopBasedDirective *Transform) { | ||||||||
8975 | Stmt *DependentPreInits; | ||||||||
8976 | if (auto *Dir = dyn_cast<OMPTileDirective>(Transform)) { | ||||||||
8977 | DependentPreInits = Dir->getPreInits(); | ||||||||
8978 | } else if (auto *Dir = dyn_cast<OMPUnrollDirective>(Transform)) { | ||||||||
8979 | DependentPreInits = Dir->getPreInits(); | ||||||||
8980 | } else { | ||||||||
8981 | llvm_unreachable("Unexpected loop transformation")__builtin_unreachable(); | ||||||||
8982 | } | ||||||||
8983 | if (!DependentPreInits) | ||||||||
8984 | return; | ||||||||
8985 | for (Decl *C : cast<DeclStmt>(DependentPreInits)->getDeclGroup()) { | ||||||||
8986 | auto *D = cast<VarDecl>(C); | ||||||||
8987 | DeclRefExpr *Ref = buildDeclRefExpr(SemaRef, D, D->getType(), | ||||||||
8988 | Transform->getBeginLoc()); | ||||||||
8989 | Captures[Ref] = Ref; | ||||||||
8990 | } | ||||||||
8991 | })) | ||||||||
8992 | return 0; | ||||||||
8993 | |||||||||
8994 | Built.clear(/* size */ NestedLoopCount); | ||||||||
8995 | |||||||||
8996 | if (SemaRef.CurContext->isDependentContext()) | ||||||||
8997 | return NestedLoopCount; | ||||||||
8998 | |||||||||
8999 | // An example of what is generated for the following code: | ||||||||
9000 | // | ||||||||
9001 | // #pragma omp simd collapse(2) ordered(2) | ||||||||
9002 | // for (i = 0; i < NI; ++i) | ||||||||
9003 | // for (k = 0; k < NK; ++k) | ||||||||
9004 | // for (j = J0; j < NJ; j+=2) { | ||||||||
9005 | // <loop body> | ||||||||
9006 | // } | ||||||||
9007 | // | ||||||||
9008 | // We generate the code below. | ||||||||
9009 | // Note: the loop body may be outlined in CodeGen. | ||||||||
9010 | // Note: some counters may be C++ classes, operator- is used to find number of | ||||||||
9011 | // iterations and operator+= to calculate counter value. | ||||||||
9012 | // Note: decltype(NumIterations) must be integer type (in 'omp for', only i32 | ||||||||
9013 | // or i64 is currently supported). | ||||||||
9014 | // | ||||||||
9015 | // #define NumIterations (NI * ((NJ - J0 - 1 + 2) / 2)) | ||||||||
9016 | // for (int[32|64]_t IV = 0; IV < NumIterations; ++IV ) { | ||||||||
9017 | // .local.i = IV / ((NJ - J0 - 1 + 2) / 2); | ||||||||
9018 | // .local.j = J0 + (IV % ((NJ - J0 - 1 + 2) / 2)) * 2; | ||||||||
9019 | // // similar updates for vars in clauses (e.g. 'linear') | ||||||||
9020 | // <loop body (using local i and j)> | ||||||||
9021 | // } | ||||||||
9022 | // i = NI; // assign final values of counters | ||||||||
9023 | // j = NJ; | ||||||||
9024 | // | ||||||||
9025 | |||||||||
9026 | // Last iteration number is (I1 * I2 * ... In) - 1, where I1, I2 ... In are | ||||||||
9027 | // the iteration counts of the collapsed for loops. | ||||||||
9028 | // Precondition tests if there is at least one iteration (all conditions are | ||||||||
9029 | // true). | ||||||||
9030 | auto PreCond = ExprResult(IterSpaces[0].PreCond); | ||||||||
9031 | Expr *N0 = IterSpaces[0].NumIterations; | ||||||||
9032 | ExprResult LastIteration32 = | ||||||||
9033 | widenIterationCount(/*Bits=*/32, | ||||||||
9034 | SemaRef | ||||||||
9035 | .PerformImplicitConversion( | ||||||||
9036 | N0->IgnoreImpCasts(), N0->getType(), | ||||||||
9037 | Sema::AA_Converting, /*AllowExplicit=*/true) | ||||||||
9038 | .get(), | ||||||||
9039 | SemaRef); | ||||||||
9040 | ExprResult LastIteration64 = widenIterationCount( | ||||||||
9041 | /*Bits=*/64, | ||||||||
9042 | SemaRef | ||||||||
9043 | .PerformImplicitConversion(N0->IgnoreImpCasts(), N0->getType(), | ||||||||
9044 | Sema::AA_Converting, | ||||||||
9045 | /*AllowExplicit=*/true) | ||||||||
9046 | .get(), | ||||||||
9047 | SemaRef); | ||||||||
9048 | |||||||||
9049 | if (!LastIteration32.isUsable() || !LastIteration64.isUsable()) | ||||||||
9050 | return NestedLoopCount; | ||||||||
9051 | |||||||||
9052 | ASTContext &C = SemaRef.Context; | ||||||||
9053 | bool AllCountsNeedLessThan32Bits = C.getTypeSize(N0->getType()) < 32; | ||||||||
9054 | |||||||||
9055 | Scope *CurScope = DSA.getCurScope(); | ||||||||
9056 | for (unsigned Cnt = 1; Cnt < NestedLoopCount; ++Cnt) { | ||||||||
9057 | if (PreCond.isUsable()) { | ||||||||
9058 | PreCond = | ||||||||
9059 | SemaRef.BuildBinOp(CurScope, PreCond.get()->getExprLoc(), BO_LAnd, | ||||||||
9060 | PreCond.get(), IterSpaces[Cnt].PreCond); | ||||||||
9061 | } | ||||||||
9062 | Expr *N = IterSpaces[Cnt].NumIterations; | ||||||||
9063 | SourceLocation Loc = N->getExprLoc(); | ||||||||
9064 | AllCountsNeedLessThan32Bits &= C.getTypeSize(N->getType()) < 32; | ||||||||
9065 | if (LastIteration32.isUsable()) | ||||||||
9066 | LastIteration32 = SemaRef.BuildBinOp( | ||||||||
9067 | CurScope, Loc, BO_Mul, LastIteration32.get(), | ||||||||
9068 | SemaRef | ||||||||
9069 | .PerformImplicitConversion(N->IgnoreImpCasts(), N->getType(), | ||||||||
9070 | Sema::AA_Converting, | ||||||||
9071 | /*AllowExplicit=*/true) | ||||||||
9072 | .get()); | ||||||||
9073 | if (LastIteration64.isUsable()) | ||||||||
9074 | LastIteration64 = SemaRef.BuildBinOp( | ||||||||
9075 | CurScope, Loc, BO_Mul, LastIteration64.get(), | ||||||||
9076 | SemaRef | ||||||||
9077 | .PerformImplicitConversion(N->IgnoreImpCasts(), N->getType(), | ||||||||
9078 | Sema::AA_Converting, | ||||||||
9079 | /*AllowExplicit=*/true) | ||||||||
9080 | .get()); | ||||||||
9081 | } | ||||||||
9082 | |||||||||
9083 | // Choose either the 32-bit or 64-bit version. | ||||||||
9084 | ExprResult LastIteration = LastIteration64; | ||||||||
9085 | if (SemaRef.getLangOpts().OpenMPOptimisticCollapse || | ||||||||
9086 | (LastIteration32.isUsable() && | ||||||||
9087 | C.getTypeSize(LastIteration32.get()->getType()) == 32 && | ||||||||
9088 | (AllCountsNeedLessThan32Bits || NestedLoopCount == 1 || | ||||||||
9089 | fitsInto( | ||||||||
9090 | /*Bits=*/32, | ||||||||
9091 | LastIteration32.get()->getType()->hasSignedIntegerRepresentation(), | ||||||||
9092 | LastIteration64.get(), SemaRef)))) | ||||||||
9093 | LastIteration = LastIteration32; | ||||||||
9094 | QualType VType = LastIteration.get()->getType(); | ||||||||
9095 | QualType RealVType = VType; | ||||||||
9096 | QualType StrideVType = VType; | ||||||||
9097 | if (isOpenMPTaskLoopDirective(DKind)) { | ||||||||
9098 | VType = | ||||||||
9099 | SemaRef.Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/0); | ||||||||
9100 | StrideVType = | ||||||||
9101 | SemaRef.Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/1); | ||||||||
9102 | } | ||||||||
9103 | |||||||||
9104 | if (!LastIteration.isUsable()) | ||||||||
9105 | return 0; | ||||||||
9106 | |||||||||
9107 | // Save the number of iterations. | ||||||||
9108 | ExprResult NumIterations = LastIteration; | ||||||||
9109 | { | ||||||||
9110 | LastIteration = SemaRef.BuildBinOp( | ||||||||
9111 | CurScope, LastIteration.get()->getExprLoc(), BO_Sub, | ||||||||
9112 | LastIteration.get(), | ||||||||
9113 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()); | ||||||||
9114 | if (!LastIteration.isUsable()) | ||||||||
9115 | return 0; | ||||||||
9116 | } | ||||||||
9117 | |||||||||
9118 | // Calculate the last iteration number beforehand instead of doing this on | ||||||||
9119 | // each iteration. Do not do this if the number of iterations may be kfold-ed. | ||||||||
9120 | bool IsConstant = LastIteration.get()->isIntegerConstantExpr(SemaRef.Context); | ||||||||
9121 | ExprResult CalcLastIteration; | ||||||||
9122 | if (!IsConstant) { | ||||||||
9123 | ExprResult SaveRef = | ||||||||
9124 | tryBuildCapture(SemaRef, LastIteration.get(), Captures); | ||||||||
9125 | LastIteration = SaveRef; | ||||||||
9126 | |||||||||
9127 | // Prepare SaveRef + 1. | ||||||||
9128 | NumIterations = SemaRef.BuildBinOp( | ||||||||
9129 | CurScope, SaveRef.get()->getExprLoc(), BO_Add, SaveRef.get(), | ||||||||
9130 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()); | ||||||||
9131 | if (!NumIterations.isUsable()) | ||||||||
9132 | return 0; | ||||||||
9133 | } | ||||||||
9134 | |||||||||
9135 | SourceLocation InitLoc = IterSpaces[0].InitSrcRange.getBegin(); | ||||||||
9136 | |||||||||
9137 | // Build variables passed into runtime, necessary for worksharing directives. | ||||||||
9138 | ExprResult LB, UB, IL, ST, EUB, CombLB, CombUB, PrevLB, PrevUB, CombEUB; | ||||||||
9139 | if (isOpenMPWorksharingDirective(DKind) || isOpenMPTaskLoopDirective(DKind) || | ||||||||
9140 | isOpenMPDistributeDirective(DKind) || | ||||||||
9141 | isOpenMPLoopTransformationDirective(DKind)) { | ||||||||
9142 | // Lower bound variable, initialized with zero. | ||||||||
9143 | VarDecl *LBDecl = buildVarDecl(SemaRef, InitLoc, VType, ".omp.lb"); | ||||||||
9144 | LB = buildDeclRefExpr(SemaRef, LBDecl, VType, InitLoc); | ||||||||
9145 | SemaRef.AddInitializerToDecl(LBDecl, | ||||||||
9146 | SemaRef.ActOnIntegerConstant(InitLoc, 0).get(), | ||||||||
9147 | /*DirectInit*/ false); | ||||||||
9148 | |||||||||
9149 | // Upper bound variable, initialized with last iteration number. | ||||||||
9150 | VarDecl *UBDecl = buildVarDecl(SemaRef, InitLoc, VType, ".omp.ub"); | ||||||||
9151 | UB = buildDeclRefExpr(SemaRef, UBDecl, VType, InitLoc); | ||||||||
9152 | SemaRef.AddInitializerToDecl(UBDecl, LastIteration.get(), | ||||||||
9153 | /*DirectInit*/ false); | ||||||||
9154 | |||||||||
9155 | // A 32-bit variable-flag where runtime returns 1 for the last iteration. | ||||||||
9156 | // This will be used to implement clause 'lastprivate'. | ||||||||
9157 | QualType Int32Ty = SemaRef.Context.getIntTypeForBitwidth(32, true); | ||||||||
9158 | VarDecl *ILDecl = buildVarDecl(SemaRef, InitLoc, Int32Ty, ".omp.is_last"); | ||||||||
9159 | IL = buildDeclRefExpr(SemaRef, ILDecl, Int32Ty, InitLoc); | ||||||||
9160 | SemaRef.AddInitializerToDecl(ILDecl, | ||||||||
9161 | SemaRef.ActOnIntegerConstant(InitLoc, 0).get(), | ||||||||
9162 | /*DirectInit*/ false); | ||||||||
9163 | |||||||||
9164 | // Stride variable returned by runtime (we initialize it to 1 by default). | ||||||||
9165 | VarDecl *STDecl = | ||||||||
9166 | buildVarDecl(SemaRef, InitLoc, StrideVType, ".omp.stride"); | ||||||||
9167 | ST = buildDeclRefExpr(SemaRef, STDecl, StrideVType, InitLoc); | ||||||||
9168 | SemaRef.AddInitializerToDecl(STDecl, | ||||||||
9169 | SemaRef.ActOnIntegerConstant(InitLoc, 1).get(), | ||||||||
9170 | /*DirectInit*/ false); | ||||||||
9171 | |||||||||
9172 | // Build expression: UB = min(UB, LastIteration) | ||||||||
9173 | // It is necessary for CodeGen of directives with static scheduling. | ||||||||
9174 | ExprResult IsUBGreater = SemaRef.BuildBinOp(CurScope, InitLoc, BO_GT, | ||||||||
9175 | UB.get(), LastIteration.get()); | ||||||||
9176 | ExprResult CondOp = SemaRef.ActOnConditionalOp( | ||||||||
9177 | LastIteration.get()->getExprLoc(), InitLoc, IsUBGreater.get(), | ||||||||
9178 | LastIteration.get(), UB.get()); | ||||||||
9179 | EUB = SemaRef.BuildBinOp(CurScope, InitLoc, BO_Assign, UB.get(), | ||||||||
9180 | CondOp.get()); | ||||||||
9181 | EUB = SemaRef.ActOnFinishFullExpr(EUB.get(), /*DiscardedValue*/ false); | ||||||||
9182 | |||||||||
9183 | // If we have a combined directive that combines 'distribute', 'for' or | ||||||||
9184 | // 'simd' we need to be able to access the bounds of the schedule of the | ||||||||
9185 | // enclosing region. E.g. in 'distribute parallel for' the bounds obtained | ||||||||
9186 | // by scheduling 'distribute' have to be passed to the schedule of 'for'. | ||||||||
9187 | if (isOpenMPLoopBoundSharingDirective(DKind)) { | ||||||||
9188 | // Lower bound variable, initialized with zero. | ||||||||
9189 | VarDecl *CombLBDecl = | ||||||||
9190 | buildVarDecl(SemaRef, InitLoc, VType, ".omp.comb.lb"); | ||||||||
9191 | CombLB = buildDeclRefExpr(SemaRef, CombLBDecl, VType, InitLoc); | ||||||||
9192 | SemaRef.AddInitializerToDecl( | ||||||||
9193 | CombLBDecl, SemaRef.ActOnIntegerConstant(InitLoc, 0).get(), | ||||||||
9194 | /*DirectInit*/ false); | ||||||||
9195 | |||||||||
9196 | // Upper bound variable, initialized with last iteration number. | ||||||||
9197 | VarDecl *CombUBDecl = | ||||||||
9198 | buildVarDecl(SemaRef, InitLoc, VType, ".omp.comb.ub"); | ||||||||
9199 | CombUB = buildDeclRefExpr(SemaRef, CombUBDecl, VType, InitLoc); | ||||||||
9200 | SemaRef.AddInitializerToDecl(CombUBDecl, LastIteration.get(), | ||||||||
9201 | /*DirectInit*/ false); | ||||||||
9202 | |||||||||
9203 | ExprResult CombIsUBGreater = SemaRef.BuildBinOp( | ||||||||
9204 | CurScope, InitLoc, BO_GT, CombUB.get(), LastIteration.get()); | ||||||||
9205 | ExprResult CombCondOp = | ||||||||
9206 | SemaRef.ActOnConditionalOp(InitLoc, InitLoc, CombIsUBGreater.get(), | ||||||||
9207 | LastIteration.get(), CombUB.get()); | ||||||||
9208 | CombEUB = SemaRef.BuildBinOp(CurScope, InitLoc, BO_Assign, CombUB.get(), | ||||||||
9209 | CombCondOp.get()); | ||||||||
9210 | CombEUB = | ||||||||
9211 | SemaRef.ActOnFinishFullExpr(CombEUB.get(), /*DiscardedValue*/ false); | ||||||||
9212 | |||||||||
9213 | const CapturedDecl *CD = cast<CapturedStmt>(AStmt)->getCapturedDecl(); | ||||||||
9214 | // We expect to have at least 2 more parameters than the 'parallel' | ||||||||
9215 | // directive does - the lower and upper bounds of the previous schedule. | ||||||||
9216 | assert(CD->getNumParams() >= 4 &&((void)0) | ||||||||
9217 | "Unexpected number of parameters in loop combined directive")((void)0); | ||||||||
9218 | |||||||||
9219 | // Set the proper type for the bounds given what we learned from the | ||||||||
9220 | // enclosed loops. | ||||||||
9221 | ImplicitParamDecl *PrevLBDecl = CD->getParam(/*PrevLB=*/2); | ||||||||
9222 | ImplicitParamDecl *PrevUBDecl = CD->getParam(/*PrevUB=*/3); | ||||||||
9223 | |||||||||
9224 | // Previous lower and upper bounds are obtained from the region | ||||||||
9225 | // parameters. | ||||||||
9226 | PrevLB = | ||||||||
9227 | buildDeclRefExpr(SemaRef, PrevLBDecl, PrevLBDecl->getType(), InitLoc); | ||||||||
9228 | PrevUB = | ||||||||
9229 | buildDeclRefExpr(SemaRef, PrevUBDecl, PrevUBDecl->getType(), InitLoc); | ||||||||
9230 | } | ||||||||
9231 | } | ||||||||
9232 | |||||||||
9233 | // Build the iteration variable and its initialization before loop. | ||||||||
9234 | ExprResult IV; | ||||||||
9235 | ExprResult Init, CombInit; | ||||||||
9236 | { | ||||||||
9237 | VarDecl *IVDecl = buildVarDecl(SemaRef, InitLoc, RealVType, ".omp.iv"); | ||||||||
9238 | IV = buildDeclRefExpr(SemaRef, IVDecl, RealVType, InitLoc); | ||||||||
9239 | Expr *RHS = (isOpenMPWorksharingDirective(DKind) || | ||||||||
9240 | isOpenMPTaskLoopDirective(DKind) || | ||||||||
9241 | isOpenMPDistributeDirective(DKind) || | ||||||||
9242 | isOpenMPLoopTransformationDirective(DKind)) | ||||||||
9243 | ? LB.get() | ||||||||
9244 | : SemaRef.ActOnIntegerConstant(SourceLocation(), 0).get(); | ||||||||
9245 | Init = SemaRef.BuildBinOp(CurScope, InitLoc, BO_Assign, IV.get(), RHS); | ||||||||
9246 | Init = SemaRef.ActOnFinishFullExpr(Init.get(), /*DiscardedValue*/ false); | ||||||||
9247 | |||||||||
9248 | if (isOpenMPLoopBoundSharingDirective(DKind)) { | ||||||||
9249 | Expr *CombRHS = | ||||||||
9250 | (isOpenMPWorksharingDirective(DKind) || | ||||||||
9251 | isOpenMPTaskLoopDirective(DKind) || | ||||||||
9252 | isOpenMPDistributeDirective(DKind)) | ||||||||
9253 | ? CombLB.get() | ||||||||
9254 | : SemaRef.ActOnIntegerConstant(SourceLocation(), 0).get(); | ||||||||
9255 | CombInit = | ||||||||
9256 | SemaRef.BuildBinOp(CurScope, InitLoc, BO_Assign, IV.get(), CombRHS); | ||||||||
9257 | CombInit = | ||||||||
9258 | SemaRef.ActOnFinishFullExpr(CombInit.get(), /*DiscardedValue*/ false); | ||||||||
9259 | } | ||||||||
9260 | } | ||||||||
9261 | |||||||||
9262 | bool UseStrictCompare = | ||||||||
9263 | RealVType->hasUnsignedIntegerRepresentation() && | ||||||||
9264 | llvm::all_of(IterSpaces, [](const LoopIterationSpace &LIS) { | ||||||||
9265 | return LIS.IsStrictCompare; | ||||||||
9266 | }); | ||||||||
9267 | // Loop condition (IV < NumIterations) or (IV <= UB or IV < UB + 1 (for | ||||||||
9268 | // unsigned IV)) for worksharing loops. | ||||||||
9269 | SourceLocation CondLoc = AStmt->getBeginLoc(); | ||||||||
9270 | Expr *BoundUB = UB.get(); | ||||||||
9271 | if (UseStrictCompare) { | ||||||||
9272 | BoundUB = | ||||||||
9273 | SemaRef | ||||||||
9274 | .BuildBinOp(CurScope, CondLoc, BO_Add, BoundUB, | ||||||||
9275 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()) | ||||||||
9276 | .get(); | ||||||||
9277 | BoundUB = | ||||||||
9278 | SemaRef.ActOnFinishFullExpr(BoundUB, /*DiscardedValue*/ false).get(); | ||||||||
9279 | } | ||||||||
9280 | ExprResult Cond = | ||||||||
9281 | (isOpenMPWorksharingDirective(DKind) || | ||||||||
9282 | isOpenMPTaskLoopDirective(DKind) || isOpenMPDistributeDirective(DKind) || | ||||||||
9283 | isOpenMPLoopTransformationDirective(DKind)) | ||||||||
9284 | ? SemaRef.BuildBinOp(CurScope, CondLoc, | ||||||||
9285 | UseStrictCompare ? BO_LT : BO_LE, IV.get(), | ||||||||
9286 | BoundUB) | ||||||||
9287 | : SemaRef.BuildBinOp(CurScope, CondLoc, BO_LT, IV.get(), | ||||||||
9288 | NumIterations.get()); | ||||||||
9289 | ExprResult CombDistCond; | ||||||||
9290 | if (isOpenMPLoopBoundSharingDirective(DKind)) { | ||||||||
9291 | CombDistCond = SemaRef.BuildBinOp(CurScope, CondLoc, BO_LT, IV.get(), | ||||||||
9292 | NumIterations.get()); | ||||||||
9293 | } | ||||||||
9294 | |||||||||
9295 | ExprResult CombCond; | ||||||||
9296 | if (isOpenMPLoopBoundSharingDirective(DKind)) { | ||||||||
9297 | Expr *BoundCombUB = CombUB.get(); | ||||||||
9298 | if (UseStrictCompare) { | ||||||||
9299 | BoundCombUB = | ||||||||
9300 | SemaRef | ||||||||
9301 | .BuildBinOp( | ||||||||
9302 | CurScope, CondLoc, BO_Add, BoundCombUB, | ||||||||
9303 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()) | ||||||||
9304 | .get(); | ||||||||
9305 | BoundCombUB = | ||||||||
9306 | SemaRef.ActOnFinishFullExpr(BoundCombUB, /*DiscardedValue*/ false) | ||||||||
9307 | .get(); | ||||||||
9308 | } | ||||||||
9309 | CombCond = | ||||||||
9310 | SemaRef.BuildBinOp(CurScope, CondLoc, UseStrictCompare ? BO_LT : BO_LE, | ||||||||
9311 | IV.get(), BoundCombUB); | ||||||||
9312 | } | ||||||||
9313 | // Loop increment (IV = IV + 1) | ||||||||
9314 | SourceLocation IncLoc = AStmt->getBeginLoc(); | ||||||||
9315 | ExprResult Inc = | ||||||||
9316 | SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, IV.get(), | ||||||||
9317 | SemaRef.ActOnIntegerConstant(IncLoc, 1).get()); | ||||||||
9318 | if (!Inc.isUsable()) | ||||||||
9319 | return 0; | ||||||||
9320 | Inc = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, IV.get(), Inc.get()); | ||||||||
9321 | Inc = SemaRef.ActOnFinishFullExpr(Inc.get(), /*DiscardedValue*/ false); | ||||||||
9322 | if (!Inc.isUsable()) | ||||||||
9323 | return 0; | ||||||||
9324 | |||||||||
9325 | // Increments for worksharing loops (LB = LB + ST; UB = UB + ST). | ||||||||
9326 | // Used for directives with static scheduling. | ||||||||
9327 | // In combined construct, add combined version that use CombLB and CombUB | ||||||||
9328 | // base variables for the update | ||||||||
9329 | ExprResult NextLB, NextUB, CombNextLB, CombNextUB; | ||||||||
9330 | if (isOpenMPWorksharingDirective(DKind) || isOpenMPTaskLoopDirective(DKind) || | ||||||||
9331 | isOpenMPDistributeDirective(DKind) || | ||||||||
9332 | isOpenMPLoopTransformationDirective(DKind)) { | ||||||||
9333 | // LB + ST | ||||||||
9334 | NextLB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, LB.get(), ST.get()); | ||||||||
9335 | if (!NextLB.isUsable()) | ||||||||
9336 | return 0; | ||||||||
9337 | // LB = LB + ST | ||||||||
9338 | NextLB = | ||||||||
9339 | SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, LB.get(), NextLB.get()); | ||||||||
9340 | NextLB = | ||||||||
9341 | SemaRef.ActOnFinishFullExpr(NextLB.get(), /*DiscardedValue*/ false); | ||||||||
9342 | if (!NextLB.isUsable()) | ||||||||
9343 | return 0; | ||||||||
9344 | // UB + ST | ||||||||
9345 | NextUB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, UB.get(), ST.get()); | ||||||||
9346 | if (!NextUB.isUsable()) | ||||||||
9347 | return 0; | ||||||||
9348 | // UB = UB + ST | ||||||||
9349 | NextUB = | ||||||||
9350 | SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, UB.get(), NextUB.get()); | ||||||||
9351 | NextUB = | ||||||||
9352 | SemaRef.ActOnFinishFullExpr(NextUB.get(), /*DiscardedValue*/ false); | ||||||||
9353 | if (!NextUB.isUsable()) | ||||||||
9354 | return 0; | ||||||||
9355 | if (isOpenMPLoopBoundSharingDirective(DKind)) { | ||||||||
9356 | CombNextLB = | ||||||||
9357 | SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, CombLB.get(), ST.get()); | ||||||||
9358 | if (!NextLB.isUsable()) | ||||||||
9359 | return 0; | ||||||||
9360 | // LB = LB + ST | ||||||||
9361 | CombNextLB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, CombLB.get(), | ||||||||
9362 | CombNextLB.get()); | ||||||||
9363 | CombNextLB = SemaRef.ActOnFinishFullExpr(CombNextLB.get(), | ||||||||
9364 | /*DiscardedValue*/ false); | ||||||||
9365 | if (!CombNextLB.isUsable()) | ||||||||
9366 | return 0; | ||||||||
9367 | // UB + ST | ||||||||
9368 | CombNextUB = | ||||||||
9369 | SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, CombUB.get(), ST.get()); | ||||||||
9370 | if (!CombNextUB.isUsable()) | ||||||||
9371 | return 0; | ||||||||
9372 | // UB = UB + ST | ||||||||
9373 | CombNextUB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, CombUB.get(), | ||||||||
9374 | CombNextUB.get()); | ||||||||
9375 | CombNextUB = SemaRef.ActOnFinishFullExpr(CombNextUB.get(), | ||||||||
9376 | /*DiscardedValue*/ false); | ||||||||
9377 | if (!CombNextUB.isUsable()) | ||||||||
9378 | return 0; | ||||||||
9379 | } | ||||||||
9380 | } | ||||||||
9381 | |||||||||
9382 | // Create increment expression for distribute loop when combined in a same | ||||||||
9383 | // directive with for as IV = IV + ST; ensure upper bound expression based | ||||||||
9384 | // on PrevUB instead of NumIterations - used to implement 'for' when found | ||||||||
9385 | // in combination with 'distribute', like in 'distribute parallel for' | ||||||||
9386 | SourceLocation DistIncLoc = AStmt->getBeginLoc(); | ||||||||
9387 | ExprResult DistCond, DistInc, PrevEUB, ParForInDistCond; | ||||||||
9388 | if (isOpenMPLoopBoundSharingDirective(DKind)) { | ||||||||
9389 | DistCond = SemaRef.BuildBinOp( | ||||||||
9390 | CurScope, CondLoc, UseStrictCompare ? BO_LT : BO_LE, IV.get(), BoundUB); | ||||||||
9391 | assert(DistCond.isUsable() && "distribute cond expr was not built")((void)0); | ||||||||
9392 | |||||||||
9393 | DistInc = | ||||||||
9394 | SemaRef.BuildBinOp(CurScope, DistIncLoc, BO_Add, IV.get(), ST.get()); | ||||||||
9395 | assert(DistInc.isUsable() && "distribute inc expr was not built")((void)0); | ||||||||
9396 | DistInc = SemaRef.BuildBinOp(CurScope, DistIncLoc, BO_Assign, IV.get(), | ||||||||
9397 | DistInc.get()); | ||||||||
9398 | DistInc = | ||||||||
9399 | SemaRef.ActOnFinishFullExpr(DistInc.get(), /*DiscardedValue*/ false); | ||||||||
9400 | assert(DistInc.isUsable() && "distribute inc expr was not built")((void)0); | ||||||||
9401 | |||||||||
9402 | // Build expression: UB = min(UB, prevUB) for #for in composite or combined | ||||||||
9403 | // construct | ||||||||
9404 | ExprResult NewPrevUB = PrevUB; | ||||||||
9405 | SourceLocation DistEUBLoc = AStmt->getBeginLoc(); | ||||||||
9406 | if (!SemaRef.Context.hasSameType(UB.get()->getType(), | ||||||||
9407 | PrevUB.get()->getType())) { | ||||||||
9408 | NewPrevUB = SemaRef.BuildCStyleCastExpr( | ||||||||
9409 | DistEUBLoc, | ||||||||
9410 | SemaRef.Context.getTrivialTypeSourceInfo(UB.get()->getType()), | ||||||||
9411 | DistEUBLoc, NewPrevUB.get()); | ||||||||
9412 | if (!NewPrevUB.isUsable()) | ||||||||
9413 | return 0; | ||||||||
9414 | } | ||||||||
9415 | ExprResult IsUBGreater = SemaRef.BuildBinOp(CurScope, DistEUBLoc, BO_GT, | ||||||||
9416 | UB.get(), NewPrevUB.get()); | ||||||||
9417 | ExprResult CondOp = SemaRef.ActOnConditionalOp( | ||||||||
9418 | DistEUBLoc, DistEUBLoc, IsUBGreater.get(), NewPrevUB.get(), UB.get()); | ||||||||
9419 | PrevEUB = SemaRef.BuildBinOp(CurScope, DistIncLoc, BO_Assign, UB.get(), | ||||||||
9420 | CondOp.get()); | ||||||||
9421 | PrevEUB = | ||||||||
9422 | SemaRef.ActOnFinishFullExpr(PrevEUB.get(), /*DiscardedValue*/ false); | ||||||||
9423 | |||||||||
9424 | // Build IV <= PrevUB or IV < PrevUB + 1 for unsigned IV to be used in | ||||||||
9425 | // parallel for is in combination with a distribute directive with | ||||||||
9426 | // schedule(static, 1) | ||||||||
9427 | Expr *BoundPrevUB = PrevUB.get(); | ||||||||
9428 | if (UseStrictCompare) { | ||||||||
9429 | BoundPrevUB = | ||||||||
9430 | SemaRef | ||||||||
9431 | .BuildBinOp( | ||||||||
9432 | CurScope, CondLoc, BO_Add, BoundPrevUB, | ||||||||
9433 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()) | ||||||||
9434 | .get(); | ||||||||
9435 | BoundPrevUB = | ||||||||
9436 | SemaRef.ActOnFinishFullExpr(BoundPrevUB, /*DiscardedValue*/ false) | ||||||||
9437 | .get(); | ||||||||
9438 | } | ||||||||
9439 | ParForInDistCond = | ||||||||
9440 | SemaRef.BuildBinOp(CurScope, CondLoc, UseStrictCompare ? BO_LT : BO_LE, | ||||||||
9441 | IV.get(), BoundPrevUB); | ||||||||
9442 | } | ||||||||
9443 | |||||||||
9444 | // Build updates and final values of the loop counters. | ||||||||
9445 | bool HasErrors = false; | ||||||||
9446 | Built.Counters.resize(NestedLoopCount); | ||||||||
9447 | Built.Inits.resize(NestedLoopCount); | ||||||||
9448 | Built.Updates.resize(NestedLoopCount); | ||||||||
9449 | Built.Finals.resize(NestedLoopCount); | ||||||||
9450 | Built.DependentCounters.resize(NestedLoopCount); | ||||||||
9451 | Built.DependentInits.resize(NestedLoopCount); | ||||||||
9452 | Built.FinalsConditions.resize(NestedLoopCount); | ||||||||
9453 | { | ||||||||
9454 | // We implement the following algorithm for obtaining the | ||||||||
9455 | // original loop iteration variable values based on the | ||||||||
9456 | // value of the collapsed loop iteration variable IV. | ||||||||
9457 | // | ||||||||
9458 | // Let n+1 be the number of collapsed loops in the nest. | ||||||||
9459 | // Iteration variables (I0, I1, .... In) | ||||||||
9460 | // Iteration counts (N0, N1, ... Nn) | ||||||||
9461 | // | ||||||||
9462 | // Acc = IV; | ||||||||
9463 | // | ||||||||
9464 | // To compute Ik for loop k, 0 <= k <= n, generate: | ||||||||
9465 | // Prod = N(k+1) * N(k+2) * ... * Nn; | ||||||||
9466 | // Ik = Acc / Prod; | ||||||||
9467 | // Acc -= Ik * Prod; | ||||||||
9468 | // | ||||||||
9469 | ExprResult Acc = IV; | ||||||||
9470 | for (unsigned int Cnt = 0; Cnt < NestedLoopCount; ++Cnt) { | ||||||||
9471 | LoopIterationSpace &IS = IterSpaces[Cnt]; | ||||||||
9472 | SourceLocation UpdLoc = IS.IncSrcRange.getBegin(); | ||||||||
9473 | ExprResult Iter; | ||||||||
9474 | |||||||||
9475 | // Compute prod | ||||||||
9476 | ExprResult Prod = | ||||||||
9477 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get(); | ||||||||
9478 | for (unsigned int K = Cnt+1; K < NestedLoopCount; ++K) | ||||||||
9479 | Prod = SemaRef.BuildBinOp(CurScope, UpdLoc, BO_Mul, Prod.get(), | ||||||||
9480 | IterSpaces[K].NumIterations); | ||||||||
9481 | |||||||||
9482 | // Iter = Acc / Prod | ||||||||
9483 | // If there is at least one more inner loop to avoid | ||||||||
9484 | // multiplication by 1. | ||||||||
9485 | if (Cnt + 1 < NestedLoopCount) | ||||||||
9486 | Iter = SemaRef.BuildBinOp(CurScope, UpdLoc, BO_Div, | ||||||||
9487 | Acc.get(), Prod.get()); | ||||||||
9488 | else | ||||||||
9489 | Iter = Acc; | ||||||||
9490 | if (!Iter.isUsable()) { | ||||||||
9491 | HasErrors = true; | ||||||||
9492 | break; | ||||||||
9493 | } | ||||||||
9494 | |||||||||
9495 | // Update Acc: | ||||||||
9496 | // Acc -= Iter * Prod | ||||||||
9497 | // Check if there is at least one more inner loop to avoid | ||||||||
9498 | // multiplication by 1. | ||||||||
9499 | if (Cnt + 1 < NestedLoopCount) | ||||||||
9500 | Prod = SemaRef.BuildBinOp(CurScope, UpdLoc, BO_Mul, | ||||||||
9501 | Iter.get(), Prod.get()); | ||||||||
9502 | else | ||||||||
9503 | Prod = Iter; | ||||||||
9504 | Acc = SemaRef.BuildBinOp(CurScope, UpdLoc, BO_Sub, | ||||||||
9505 | Acc.get(), Prod.get()); | ||||||||
9506 | |||||||||
9507 | // Build update: IS.CounterVar(Private) = IS.Start + Iter * IS.Step | ||||||||
9508 | auto *VD = cast<VarDecl>(cast<DeclRefExpr>(IS.CounterVar)->getDecl()); | ||||||||
9509 | DeclRefExpr *CounterVar = buildDeclRefExpr( | ||||||||
9510 | SemaRef, VD, IS.CounterVar->getType(), IS.CounterVar->getExprLoc(), | ||||||||
9511 | /*RefersToCapture=*/true); | ||||||||
9512 | ExprResult Init = | ||||||||
9513 | buildCounterInit(SemaRef, CurScope, UpdLoc, CounterVar, | ||||||||
9514 | IS.CounterInit, IS.IsNonRectangularLB, Captures); | ||||||||
9515 | if (!Init.isUsable()) { | ||||||||
9516 | HasErrors = true; | ||||||||
9517 | break; | ||||||||
9518 | } | ||||||||
9519 | ExprResult Update = buildCounterUpdate( | ||||||||
9520 | SemaRef, CurScope, UpdLoc, CounterVar, IS.CounterInit, Iter, | ||||||||
9521 | IS.CounterStep, IS.Subtract, IS.IsNonRectangularLB, &Captures); | ||||||||
9522 | if (!Update.isUsable()) { | ||||||||
9523 | HasErrors = true; | ||||||||
9524 | break; | ||||||||
9525 | } | ||||||||
9526 | |||||||||
9527 | // Build final: IS.CounterVar = IS.Start + IS.NumIters * IS.Step | ||||||||
9528 | ExprResult Final = | ||||||||
9529 | buildCounterUpdate(SemaRef, CurScope, UpdLoc, CounterVar, | ||||||||
9530 | IS.CounterInit, IS.NumIterations, IS.CounterStep, | ||||||||
9531 | IS.Subtract, IS.IsNonRectangularLB, &Captures); | ||||||||
9532 | if (!Final.isUsable()) { | ||||||||
9533 | HasErrors = true; | ||||||||
9534 | break; | ||||||||
9535 | } | ||||||||
9536 | |||||||||
9537 | if (!Update.isUsable() || !Final.isUsable()) { | ||||||||
9538 | HasErrors = true; | ||||||||
9539 | break; | ||||||||
9540 | } | ||||||||
9541 | // Save results | ||||||||
9542 | Built.Counters[Cnt] = IS.CounterVar; | ||||||||
9543 | Built.PrivateCounters[Cnt] = IS.PrivateCounterVar; | ||||||||
9544 | Built.Inits[Cnt] = Init.get(); | ||||||||
9545 | Built.Updates[Cnt] = Update.get(); | ||||||||
9546 | Built.Finals[Cnt] = Final.get(); | ||||||||
9547 | Built.DependentCounters[Cnt] = nullptr; | ||||||||
9548 | Built.DependentInits[Cnt] = nullptr; | ||||||||
9549 | Built.FinalsConditions[Cnt] = nullptr; | ||||||||
9550 | if (IS.IsNonRectangularLB || IS.IsNonRectangularUB) { | ||||||||
9551 | Built.DependentCounters[Cnt] = | ||||||||
9552 | Built.Counters[NestedLoopCount - 1 - IS.LoopDependentIdx]; | ||||||||
9553 | Built.DependentInits[Cnt] = | ||||||||
9554 | Built.Inits[NestedLoopCount - 1 - IS.LoopDependentIdx]; | ||||||||
9555 | Built.FinalsConditions[Cnt] = IS.FinalCondition; | ||||||||
9556 | } | ||||||||
9557 | } | ||||||||
9558 | } | ||||||||
9559 | |||||||||
9560 | if (HasErrors) | ||||||||
9561 | return 0; | ||||||||
9562 | |||||||||
9563 | // Save results | ||||||||
9564 | Built.IterationVarRef = IV.get(); | ||||||||
9565 | Built.LastIteration = LastIteration.get(); | ||||||||
9566 | Built.NumIterations = NumIterations.get(); | ||||||||
9567 | Built.CalcLastIteration = SemaRef | ||||||||
9568 | .ActOnFinishFullExpr(CalcLastIteration.get(), | ||||||||
9569 | /*DiscardedValue=*/false) | ||||||||
9570 | .get(); | ||||||||
9571 | Built.PreCond = PreCond.get(); | ||||||||
9572 | Built.PreInits = buildPreInits(C, Captures); | ||||||||
9573 | Built.Cond = Cond.get(); | ||||||||
9574 | Built.Init = Init.get(); | ||||||||
9575 | Built.Inc = Inc.get(); | ||||||||
9576 | Built.LB = LB.get(); | ||||||||
9577 | Built.UB = UB.get(); | ||||||||
9578 | Built.IL = IL.get(); | ||||||||
9579 | Built.ST = ST.get(); | ||||||||
9580 | Built.EUB = EUB.get(); | ||||||||
9581 | Built.NLB = NextLB.get(); | ||||||||
9582 | Built.NUB = NextUB.get(); | ||||||||
9583 | Built.PrevLB = PrevLB.get(); | ||||||||
9584 | Built.PrevUB = PrevUB.get(); | ||||||||
9585 | Built.DistInc = DistInc.get(); | ||||||||
9586 | Built.PrevEUB = PrevEUB.get(); | ||||||||
9587 | Built.DistCombinedFields.LB = CombLB.get(); | ||||||||
9588 | Built.DistCombinedFields.UB = CombUB.get(); | ||||||||
9589 | Built.DistCombinedFields.EUB = CombEUB.get(); | ||||||||
9590 | Built.DistCombinedFields.Init = CombInit.get(); | ||||||||
9591 | Built.DistCombinedFields.Cond = CombCond.get(); | ||||||||
9592 | Built.DistCombinedFields.NLB = CombNextLB.get(); | ||||||||
9593 | Built.DistCombinedFields.NUB = CombNextUB.get(); | ||||||||
9594 | Built.DistCombinedFields.DistCond = CombDistCond.get(); | ||||||||
9595 | Built.DistCombinedFields.ParForInDistCond = ParForInDistCond.get(); | ||||||||
9596 | |||||||||
9597 | return NestedLoopCount; | ||||||||
9598 | } | ||||||||
9599 | |||||||||
9600 | static Expr *getCollapseNumberExpr(ArrayRef<OMPClause *> Clauses) { | ||||||||
9601 | auto CollapseClauses = | ||||||||
9602 | OMPExecutableDirective::getClausesOfKind<OMPCollapseClause>(Clauses); | ||||||||
9603 | if (CollapseClauses.begin() != CollapseClauses.end()) | ||||||||
9604 | return (*CollapseClauses.begin())->getNumForLoops(); | ||||||||
9605 | return nullptr; | ||||||||
9606 | } | ||||||||
9607 | |||||||||
9608 | static Expr *getOrderedNumberExpr(ArrayRef<OMPClause *> Clauses) { | ||||||||
9609 | auto OrderedClauses = | ||||||||
9610 | OMPExecutableDirective::getClausesOfKind<OMPOrderedClause>(Clauses); | ||||||||
9611 | if (OrderedClauses.begin() != OrderedClauses.end()) | ||||||||
9612 | return (*OrderedClauses.begin())->getNumForLoops(); | ||||||||
9613 | return nullptr; | ||||||||
9614 | } | ||||||||
9615 | |||||||||
9616 | static bool checkSimdlenSafelenSpecified(Sema &S, | ||||||||
9617 | const ArrayRef<OMPClause *> Clauses) { | ||||||||
9618 | const OMPSafelenClause *Safelen = nullptr; | ||||||||
9619 | const OMPSimdlenClause *Simdlen = nullptr; | ||||||||
9620 | |||||||||
9621 | for (const OMPClause *Clause : Clauses) { | ||||||||
9622 | if (Clause->getClauseKind() == OMPC_safelen) | ||||||||
9623 | Safelen = cast<OMPSafelenClause>(Clause); | ||||||||
9624 | else if (Clause->getClauseKind() == OMPC_simdlen) | ||||||||
9625 | Simdlen = cast<OMPSimdlenClause>(Clause); | ||||||||
9626 | if (Safelen && Simdlen) | ||||||||
9627 | break; | ||||||||
9628 | } | ||||||||
9629 | |||||||||
9630 | if (Simdlen && Safelen) { | ||||||||
9631 | const Expr *SimdlenLength = Simdlen->getSimdlen(); | ||||||||
9632 | const Expr *SafelenLength = Safelen->getSafelen(); | ||||||||
9633 | if (SimdlenLength->isValueDependent() || SimdlenLength->isTypeDependent() || | ||||||||
9634 | SimdlenLength->isInstantiationDependent() || | ||||||||
9635 | SimdlenLength->containsUnexpandedParameterPack()) | ||||||||
9636 | return false; | ||||||||
9637 | if (SafelenLength->isValueDependent() || SafelenLength->isTypeDependent() || | ||||||||
9638 | SafelenLength->isInstantiationDependent() || | ||||||||
9639 | SafelenLength->containsUnexpandedParameterPack()) | ||||||||
9640 | return false; | ||||||||
9641 | Expr::EvalResult SimdlenResult, SafelenResult; | ||||||||
9642 | SimdlenLength->EvaluateAsInt(SimdlenResult, S.Context); | ||||||||
9643 | SafelenLength->EvaluateAsInt(SafelenResult, S.Context); | ||||||||
9644 | llvm::APSInt SimdlenRes = SimdlenResult.Val.getInt(); | ||||||||
9645 | llvm::APSInt SafelenRes = SafelenResult.Val.getInt(); | ||||||||
9646 | // OpenMP 4.5 [2.8.1, simd Construct, Restrictions] | ||||||||
9647 | // If both simdlen and safelen clauses are specified, the value of the | ||||||||
9648 | // simdlen parameter must be less than or equal to the value of the safelen | ||||||||
9649 | // parameter. | ||||||||
9650 | if (SimdlenRes > SafelenRes) { | ||||||||
9651 | S.Diag(SimdlenLength->getExprLoc(), | ||||||||
9652 | diag::err_omp_wrong_simdlen_safelen_values) | ||||||||
9653 | << SimdlenLength->getSourceRange() << SafelenLength->getSourceRange(); | ||||||||
9654 | return true; | ||||||||
9655 | } | ||||||||
9656 | } | ||||||||
9657 | return false; | ||||||||
9658 | } | ||||||||
9659 | |||||||||
9660 | StmtResult | ||||||||
9661 | Sema::ActOnOpenMPSimdDirective(ArrayRef<OMPClause *> Clauses, Stmt *AStmt, | ||||||||
9662 | SourceLocation StartLoc, SourceLocation EndLoc, | ||||||||
9663 | VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||||||
9664 | if (!AStmt) | ||||||||
9665 | return StmtError(); | ||||||||
9666 | |||||||||
9667 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((void)0); | ||||||||
9668 | OMPLoopBasedDirective::HelperExprs B; | ||||||||
9669 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | ||||||||
9670 | // define the nested loops number. | ||||||||
9671 | unsigned NestedLoopCount = checkOpenMPLoop( | ||||||||
9672 | OMPD_simd, getCollapseNumberExpr(Clauses), getOrderedNumberExpr(Clauses), | ||||||||
9673 | AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); | ||||||||
9674 | if (NestedLoopCount == 0) | ||||||||
9675 | return StmtError(); | ||||||||
9676 | |||||||||
9677 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | ||||||||
9678 | "omp simd loop exprs were not built")((void)0); | ||||||||
9679 | |||||||||
9680 | if (!CurContext->isDependentContext()) { | ||||||||
9681 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||||||
9682 | for (OMPClause *C : Clauses) { | ||||||||
9683 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||||||
9684 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||||||
9685 | B.NumIterations, *this, CurScope, | ||||||||
9686 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||||||
9687 | return StmtError(); | ||||||||
9688 | } | ||||||||
9689 | } | ||||||||
9690 | |||||||||
9691 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | ||||||||
9692 | return StmtError(); | ||||||||
9693 | |||||||||
9694 | setFunctionHasBranchProtectedScope(); | ||||||||
9695 | return OMPSimdDirective::Create(Context, StartLoc, EndLoc, NestedLoopCount, | ||||||||
9696 | Clauses, AStmt, B); | ||||||||
9697 | } | ||||||||
9698 | |||||||||
9699 | StmtResult | ||||||||
9700 | Sema::ActOnOpenMPForDirective(ArrayRef<OMPClause *> Clauses, Stmt *AStmt, | ||||||||
9701 | SourceLocation StartLoc, SourceLocation EndLoc, | ||||||||
9702 | VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||||||
9703 | if (!AStmt) | ||||||||
9704 | return StmtError(); | ||||||||
9705 | |||||||||
9706 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((void)0); | ||||||||
9707 | OMPLoopBasedDirective::HelperExprs B; | ||||||||
9708 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | ||||||||
9709 | // define the nested loops number. | ||||||||
9710 | unsigned NestedLoopCount = checkOpenMPLoop( | ||||||||
9711 | OMPD_for, getCollapseNumberExpr(Clauses), getOrderedNumberExpr(Clauses), | ||||||||
9712 | AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); | ||||||||
9713 | if (NestedLoopCount == 0) | ||||||||
9714 | return StmtError(); | ||||||||
9715 | |||||||||
9716 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | ||||||||
9717 | "omp for loop exprs were not built")((void)0); | ||||||||
9718 | |||||||||
9719 | if (!CurContext->isDependentContext()) { | ||||||||
9720 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||||||
9721 | for (OMPClause *C : Clauses) { | ||||||||
9722 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||||||
9723 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||||||
9724 | B.NumIterations, *this, CurScope, | ||||||||
9725 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||||||
9726 | return StmtError(); | ||||||||
9727 | } | ||||||||
9728 | } | ||||||||
9729 | |||||||||
9730 | setFunctionHasBranchProtectedScope(); | ||||||||
9731 | return OMPForDirective::Create( | ||||||||
9732 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, | ||||||||
9733 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||||||
9734 | } | ||||||||
9735 | |||||||||
9736 | StmtResult Sema::ActOnOpenMPForSimdDirective( | ||||||||
9737 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||||||
9738 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||||||
9739 | if (!AStmt) | ||||||||
9740 | return StmtError(); | ||||||||
9741 | |||||||||
9742 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((void)0); | ||||||||
9743 | OMPLoopBasedDirective::HelperExprs B; | ||||||||
9744 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | ||||||||
9745 | // define the nested loops number. | ||||||||
9746 | unsigned NestedLoopCount = | ||||||||
9747 | checkOpenMPLoop(OMPD_for_simd, getCollapseNumberExpr(Clauses), | ||||||||
9748 | getOrderedNumberExpr(Clauses), AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||||||
9749 | VarsWithImplicitDSA, B); | ||||||||
9750 | if (NestedLoopCount == 0) | ||||||||
9751 | return StmtError(); | ||||||||
9752 | |||||||||
9753 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | ||||||||
9754 | "omp for simd loop exprs were not built")((void)0); | ||||||||
9755 | |||||||||
9756 | if (!CurContext->isDependentContext()) { | ||||||||
9757 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||||||
9758 | for (OMPClause *C : Clauses) { | ||||||||
9759 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||||||
9760 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||||||
9761 | B.NumIterations, *this, CurScope, | ||||||||
9762 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||||||
9763 | return StmtError(); | ||||||||
9764 | } | ||||||||
9765 | } | ||||||||
9766 | |||||||||
9767 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | ||||||||
9768 | return StmtError(); | ||||||||
9769 | |||||||||
9770 | setFunctionHasBranchProtectedScope(); | ||||||||
9771 | return OMPForSimdDirective::Create(Context, StartLoc, EndLoc, NestedLoopCount, | ||||||||
9772 | Clauses, AStmt, B); | ||||||||
9773 | } | ||||||||
9774 | |||||||||
9775 | StmtResult Sema::ActOnOpenMPSectionsDirective(ArrayRef<OMPClause *> Clauses, | ||||||||
9776 | Stmt *AStmt, | ||||||||
9777 | SourceLocation StartLoc, | ||||||||
9778 | SourceLocation EndLoc) { | ||||||||
9779 | if (!AStmt) | ||||||||
9780 | return StmtError(); | ||||||||
9781 | |||||||||
9782 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((void)0); | ||||||||
9783 | auto BaseStmt = AStmt; | ||||||||
9784 | while (auto *CS = dyn_cast_or_null<CapturedStmt>(BaseStmt)) | ||||||||
9785 | BaseStmt = CS->getCapturedStmt(); | ||||||||
9786 | if (auto *C = dyn_cast_or_null<CompoundStmt>(BaseStmt)) { | ||||||||
9787 | auto S = C->children(); | ||||||||
9788 | if (S.begin() == S.end()) | ||||||||
9789 | return StmtError(); | ||||||||
9790 | // All associated statements must be '#pragma omp section' except for | ||||||||
9791 | // the first one. | ||||||||
9792 | for (Stmt *SectionStmt : llvm::make_range(std::next(S.begin()), S.end())) { | ||||||||
9793 | if (!SectionStmt || !isa<OMPSectionDirective>(SectionStmt)) { | ||||||||
9794 | if (SectionStmt) | ||||||||
9795 | Diag(SectionStmt->getBeginLoc(), | ||||||||
9796 | diag::err_omp_sections_substmt_not_section); | ||||||||
9797 | return StmtError(); | ||||||||
9798 | } | ||||||||
9799 | cast<OMPSectionDirective>(SectionStmt) | ||||||||
9800 | ->setHasCancel(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||||||
9801 | } | ||||||||
9802 | } else { | ||||||||
9803 | Diag(AStmt->getBeginLoc(), diag::err_omp_sections_not_compound_stmt); | ||||||||
9804 | return StmtError(); | ||||||||
9805 | } | ||||||||
9806 | |||||||||
9807 | setFunctionHasBranchProtectedScope(); | ||||||||
9808 | |||||||||
9809 | return OMPSectionsDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, | ||||||||
9810 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), | ||||||||
9811 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||||||
9812 | } | ||||||||
9813 | |||||||||
9814 | StmtResult Sema::ActOnOpenMPSectionDirective(Stmt *AStmt, | ||||||||
9815 | SourceLocation StartLoc, | ||||||||
9816 | SourceLocation EndLoc) { | ||||||||
9817 | if (!AStmt) | ||||||||
9818 | return StmtError(); | ||||||||
9819 | |||||||||
9820 | setFunctionHasBranchProtectedScope(); | ||||||||
9821 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentCancelRegion(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||||||
9822 | |||||||||
9823 | return OMPSectionDirective::Create(Context, StartLoc, EndLoc, AStmt, | ||||||||
9824 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||||||
9825 | } | ||||||||
9826 | |||||||||
9827 | static Expr *getDirectCallExpr(Expr *E) { | ||||||||
9828 | E = E->IgnoreParenCasts()->IgnoreImplicit(); | ||||||||
9829 | if (auto *CE = dyn_cast<CallExpr>(E)) | ||||||||
9830 | if (CE->getDirectCallee()) | ||||||||
9831 | return E; | ||||||||
9832 | return nullptr; | ||||||||
9833 | } | ||||||||
9834 | |||||||||
9835 | StmtResult Sema::ActOnOpenMPDispatchDirective(ArrayRef<OMPClause *> Clauses, | ||||||||
9836 | Stmt *AStmt, | ||||||||
9837 | SourceLocation StartLoc, | ||||||||
9838 | SourceLocation EndLoc) { | ||||||||
9839 | if (!AStmt) | ||||||||
9840 | return StmtError(); | ||||||||
9841 | |||||||||
9842 | Stmt *S = cast<CapturedStmt>(AStmt)->getCapturedStmt(); | ||||||||
9843 | |||||||||
9844 | // 5.1 OpenMP | ||||||||
9845 | // expression-stmt : an expression statement with one of the following forms: | ||||||||
9846 | // expression = target-call ( [expression-list] ); | ||||||||
9847 | // target-call ( [expression-list] ); | ||||||||
9848 | |||||||||
9849 | SourceLocation TargetCallLoc; | ||||||||
9850 | |||||||||
9851 | if (!CurContext->isDependentContext()) { | ||||||||
9852 | Expr *TargetCall = nullptr; | ||||||||
9853 | |||||||||
9854 | auto *E = dyn_cast<Expr>(S); | ||||||||
9855 | if (!E) { | ||||||||
9856 | Diag(S->getBeginLoc(), diag::err_omp_dispatch_statement_call); | ||||||||
9857 | return StmtError(); | ||||||||
9858 | } | ||||||||
9859 | |||||||||
9860 | E = E->IgnoreParenCasts()->IgnoreImplicit(); | ||||||||
9861 | |||||||||
9862 | if (auto *BO = dyn_cast<BinaryOperator>(E)) { | ||||||||
9863 | if (BO->getOpcode() == BO_Assign) | ||||||||
9864 | TargetCall = getDirectCallExpr(BO->getRHS()); | ||||||||
9865 | } else { | ||||||||
9866 | if (auto *COCE = dyn_cast<CXXOperatorCallExpr>(E)) | ||||||||
9867 | if (COCE->getOperator() == OO_Equal) | ||||||||
9868 | TargetCall = getDirectCallExpr(COCE->getArg(1)); | ||||||||
9869 | if (!TargetCall) | ||||||||
9870 | TargetCall = getDirectCallExpr(E); | ||||||||
9871 | } | ||||||||
9872 | if (!TargetCall) { | ||||||||
9873 | Diag(E->getBeginLoc(), diag::err_omp_dispatch_statement_call); | ||||||||
9874 | return StmtError(); | ||||||||
9875 | } | ||||||||
9876 | TargetCallLoc = TargetCall->getExprLoc(); | ||||||||
9877 | } | ||||||||
9878 | |||||||||
9879 | setFunctionHasBranchProtectedScope(); | ||||||||
9880 | |||||||||
9881 | return OMPDispatchDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, | ||||||||
9882 | TargetCallLoc); | ||||||||
9883 | } | ||||||||
9884 | |||||||||
9885 | StmtResult Sema::ActOnOpenMPSingleDirective(ArrayRef<OMPClause *> Clauses, | ||||||||
9886 | Stmt *AStmt, | ||||||||
9887 | SourceLocation StartLoc, | ||||||||
9888 | SourceLocation EndLoc) { | ||||||||
9889 | if (!AStmt) | ||||||||
9890 | return StmtError(); | ||||||||
9891 | |||||||||
9892 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((void)0); | ||||||||
9893 | |||||||||
9894 | setFunctionHasBranchProtectedScope(); | ||||||||
9895 | |||||||||
9896 | // OpenMP [2.7.3, single Construct, Restrictions] | ||||||||
9897 | // The copyprivate clause must not be used with the nowait clause. | ||||||||
9898 | const OMPClause *Nowait = nullptr; | ||||||||
9899 | const OMPClause *Copyprivate = nullptr; | ||||||||
9900 | for (const OMPClause *Clause : Clauses) { | ||||||||
9901 | if (Clause->getClauseKind() == OMPC_nowait) | ||||||||
9902 | Nowait = Clause; | ||||||||
9903 | else if (Clause->getClauseKind() == OMPC_copyprivate) | ||||||||
9904 | Copyprivate = Clause; | ||||||||
9905 | if (Copyprivate && Nowait) { | ||||||||
9906 | Diag(Copyprivate->getBeginLoc(), | ||||||||
9907 | diag::err_omp_single_copyprivate_with_nowait); | ||||||||
9908 | Diag(Nowait->getBeginLoc(), diag::note_omp_nowait_clause_here); | ||||||||
9909 | return StmtError(); | ||||||||
9910 | } | ||||||||
9911 | } | ||||||||
9912 | |||||||||
9913 | return OMPSingleDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); | ||||||||
9914 | } | ||||||||
9915 | |||||||||
9916 | StmtResult Sema::ActOnOpenMPMasterDirective(Stmt *AStmt, | ||||||||
9917 | SourceLocation StartLoc, | ||||||||
9918 | SourceLocation EndLoc) { | ||||||||
9919 | if (!AStmt) | ||||||||
9920 | return StmtError(); | ||||||||
9921 | |||||||||
9922 | setFunctionHasBranchProtectedScope(); | ||||||||
9923 | |||||||||
9924 | return OMPMasterDirective::Create(Context, StartLoc, EndLoc, AStmt); | ||||||||
9925 | } | ||||||||
9926 | |||||||||
9927 | StmtResult Sema::ActOnOpenMPMaskedDirective(ArrayRef<OMPClause *> Clauses, | ||||||||
9928 | Stmt *AStmt, | ||||||||
9929 | SourceLocation StartLoc, | ||||||||
9930 | SourceLocation EndLoc) { | ||||||||
9931 | if (!AStmt) | ||||||||
9932 | return StmtError(); | ||||||||
9933 | |||||||||
9934 | setFunctionHasBranchProtectedScope(); | ||||||||
9935 | |||||||||
9936 | return OMPMaskedDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); | ||||||||
9937 | } | ||||||||
9938 | |||||||||
9939 | StmtResult Sema::ActOnOpenMPCriticalDirective( | ||||||||
9940 | const DeclarationNameInfo &DirName, ArrayRef<OMPClause *> Clauses, | ||||||||
9941 | Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc) { | ||||||||
9942 | if (!AStmt) | ||||||||
9943 | return StmtError(); | ||||||||
9944 | |||||||||
9945 | bool ErrorFound = false; | ||||||||
9946 | llvm::APSInt Hint; | ||||||||
9947 | SourceLocation HintLoc; | ||||||||
9948 | bool DependentHint = false; | ||||||||
9949 | for (const OMPClause *C : Clauses) { | ||||||||
9950 | if (C->getClauseKind() == OMPC_hint) { | ||||||||
9951 | if (!DirName.getName()) { | ||||||||
9952 | Diag(C->getBeginLoc(), diag::err_omp_hint_clause_no_name); | ||||||||
9953 | ErrorFound = true; | ||||||||
9954 | } | ||||||||
9955 | Expr *E = cast<OMPHintClause>(C)->getHint(); | ||||||||
9956 | if (E->isTypeDependent() || E->isValueDependent() || | ||||||||
9957 | E->isInstantiationDependent()) { | ||||||||
9958 | DependentHint = true; | ||||||||
9959 | } else { | ||||||||
9960 | Hint = E->EvaluateKnownConstInt(Context); | ||||||||
9961 | HintLoc = C->getBeginLoc(); | ||||||||
9962 | } | ||||||||
9963 | } | ||||||||
9964 | } | ||||||||
9965 | if (ErrorFound) | ||||||||
9966 | return StmtError(); | ||||||||
9967 | const auto Pair = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCriticalWithHint(DirName); | ||||||||
9968 | if (Pair.first && DirName.getName() && !DependentHint) { | ||||||||
9969 | if (llvm::APSInt::compareValues(Hint, Pair.second) != 0) { | ||||||||
9970 | Diag(StartLoc, diag::err_omp_critical_with_hint); | ||||||||
9971 | if (HintLoc.isValid()) | ||||||||
9972 | Diag(HintLoc, diag::note_omp_critical_hint_here) | ||||||||
9973 | << 0 << toString(Hint, /*Radix=*/10, /*Signed=*/false); | ||||||||
9974 | else | ||||||||
9975 | Diag(StartLoc, diag::note_omp_critical_no_hint) << 0; | ||||||||
9976 | if (const auto *C = Pair.first->getSingleClause<OMPHintClause>()) { | ||||||||
9977 | Diag(C->getBeginLoc(), diag::note_omp_critical_hint_here) | ||||||||
9978 | << 1 | ||||||||
9979 | << toString(C->getHint()->EvaluateKnownConstInt(Context), | ||||||||
9980 | /*Radix=*/10, /*Signed=*/false); | ||||||||
9981 | } else { | ||||||||
9982 | Diag(Pair.first->getBeginLoc(), diag::note_omp_critical_no_hint) << 1; | ||||||||
9983 | } | ||||||||
9984 | } | ||||||||
9985 | } | ||||||||
9986 | |||||||||
9987 | setFunctionHasBranchProtectedScope(); | ||||||||
9988 | |||||||||
9989 | auto *Dir = OMPCriticalDirective::Create(Context, DirName, StartLoc, EndLoc, | ||||||||
9990 | Clauses, AStmt); | ||||||||
9991 | if (!Pair.first && DirName.getName() && !DependentHint) | ||||||||
9992 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addCriticalWithHint(Dir, Hint); | ||||||||
9993 | return Dir; | ||||||||
9994 | } | ||||||||
9995 | |||||||||
9996 | StmtResult Sema::ActOnOpenMPParallelForDirective( | ||||||||
9997 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||||||
9998 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||||||
9999 | if (!AStmt) | ||||||||
10000 | return StmtError(); | ||||||||
10001 | |||||||||
10002 | auto *CS = cast<CapturedStmt>(AStmt); | ||||||||
10003 | // 1.2.2 OpenMP Language Terminology | ||||||||
10004 | // Structured block - An executable statement with a single entry at the | ||||||||
10005 | // top and a single exit at the bottom. | ||||||||
10006 | // The point of exit cannot be a branch out of the structured block. | ||||||||
10007 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
10008 | CS->getCapturedDecl()->setNothrow(); | ||||||||
10009 | |||||||||
10010 | OMPLoopBasedDirective::HelperExprs B; | ||||||||
10011 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | ||||||||
10012 | // define the nested loops number. | ||||||||
10013 | unsigned NestedLoopCount = | ||||||||
10014 | checkOpenMPLoop(OMPD_parallel_for, getCollapseNumberExpr(Clauses), | ||||||||
10015 | getOrderedNumberExpr(Clauses), AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||||||
10016 | VarsWithImplicitDSA, B); | ||||||||
10017 | if (NestedLoopCount == 0) | ||||||||
10018 | return StmtError(); | ||||||||
10019 | |||||||||
10020 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | ||||||||
10021 | "omp parallel for loop exprs were not built")((void)0); | ||||||||
10022 | |||||||||
10023 | if (!CurContext->isDependentContext()) { | ||||||||
10024 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||||||
10025 | for (OMPClause *C : Clauses) { | ||||||||
10026 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||||||
10027 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||||||
10028 | B.NumIterations, *this, CurScope, | ||||||||
10029 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||||||
10030 | return StmtError(); | ||||||||
10031 | } | ||||||||
10032 | } | ||||||||
10033 | |||||||||
10034 | setFunctionHasBranchProtectedScope(); | ||||||||
10035 | return OMPParallelForDirective::Create( | ||||||||
10036 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, | ||||||||
10037 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||||||
10038 | } | ||||||||
10039 | |||||||||
10040 | StmtResult Sema::ActOnOpenMPParallelForSimdDirective( | ||||||||
10041 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||||||
10042 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||||||
10043 | if (!AStmt) | ||||||||
10044 | return StmtError(); | ||||||||
10045 | |||||||||
10046 | auto *CS = cast<CapturedStmt>(AStmt); | ||||||||
10047 | // 1.2.2 OpenMP Language Terminology | ||||||||
10048 | // Structured block - An executable statement with a single entry at the | ||||||||
10049 | // top and a single exit at the bottom. | ||||||||
10050 | // The point of exit cannot be a branch out of the structured block. | ||||||||
10051 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
10052 | CS->getCapturedDecl()->setNothrow(); | ||||||||
10053 | |||||||||
10054 | OMPLoopBasedDirective::HelperExprs B; | ||||||||
10055 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | ||||||||
10056 | // define the nested loops number. | ||||||||
10057 | unsigned NestedLoopCount = | ||||||||
10058 | checkOpenMPLoop(OMPD_parallel_for_simd, getCollapseNumberExpr(Clauses), | ||||||||
10059 | getOrderedNumberExpr(Clauses), AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||||||
10060 | VarsWithImplicitDSA, B); | ||||||||
10061 | if (NestedLoopCount == 0) | ||||||||
10062 | return StmtError(); | ||||||||
10063 | |||||||||
10064 | if (!CurContext->isDependentContext()) { | ||||||||
10065 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||||||
10066 | for (OMPClause *C : Clauses) { | ||||||||
10067 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||||||
10068 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||||||
10069 | B.NumIterations, *this, CurScope, | ||||||||
10070 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||||||
10071 | return StmtError(); | ||||||||
10072 | } | ||||||||
10073 | } | ||||||||
10074 | |||||||||
10075 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | ||||||||
10076 | return StmtError(); | ||||||||
10077 | |||||||||
10078 | setFunctionHasBranchProtectedScope(); | ||||||||
10079 | return OMPParallelForSimdDirective::Create( | ||||||||
10080 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | ||||||||
10081 | } | ||||||||
10082 | |||||||||
10083 | StmtResult | ||||||||
10084 | Sema::ActOnOpenMPParallelMasterDirective(ArrayRef<OMPClause *> Clauses, | ||||||||
10085 | Stmt *AStmt, SourceLocation StartLoc, | ||||||||
10086 | SourceLocation EndLoc) { | ||||||||
10087 | if (!AStmt) | ||||||||
10088 | return StmtError(); | ||||||||
10089 | |||||||||
10090 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((void)0); | ||||||||
10091 | auto *CS = cast<CapturedStmt>(AStmt); | ||||||||
10092 | // 1.2.2 OpenMP Language Terminology | ||||||||
10093 | // Structured block - An executable statement with a single entry at the | ||||||||
10094 | // top and a single exit at the bottom. | ||||||||
10095 | // The point of exit cannot be a branch out of the structured block. | ||||||||
10096 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
10097 | CS->getCapturedDecl()->setNothrow(); | ||||||||
10098 | |||||||||
10099 | setFunctionHasBranchProtectedScope(); | ||||||||
10100 | |||||||||
10101 | return OMPParallelMasterDirective::Create( | ||||||||
10102 | Context, StartLoc, EndLoc, Clauses, AStmt, | ||||||||
10103 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef()); | ||||||||
10104 | } | ||||||||
10105 | |||||||||
10106 | StmtResult | ||||||||
10107 | Sema::ActOnOpenMPParallelSectionsDirective(ArrayRef<OMPClause *> Clauses, | ||||||||
10108 | Stmt *AStmt, SourceLocation StartLoc, | ||||||||
10109 | SourceLocation EndLoc) { | ||||||||
10110 | if (!AStmt) | ||||||||
10111 | return StmtError(); | ||||||||
10112 | |||||||||
10113 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((void)0); | ||||||||
10114 | auto BaseStmt = AStmt; | ||||||||
10115 | while (auto *CS = dyn_cast_or_null<CapturedStmt>(BaseStmt)) | ||||||||
10116 | BaseStmt = CS->getCapturedStmt(); | ||||||||
10117 | if (auto *C = dyn_cast_or_null<CompoundStmt>(BaseStmt)) { | ||||||||
10118 | auto S = C->children(); | ||||||||
10119 | if (S.begin() == S.end()) | ||||||||
10120 | return StmtError(); | ||||||||
10121 | // All associated statements must be '#pragma omp section' except for | ||||||||
10122 | // the first one. | ||||||||
10123 | for (Stmt *SectionStmt : llvm::make_range(std::next(S.begin()), S.end())) { | ||||||||
10124 | if (!SectionStmt || !isa<OMPSectionDirective>(SectionStmt)) { | ||||||||
10125 | if (SectionStmt) | ||||||||
10126 | Diag(SectionStmt->getBeginLoc(), | ||||||||
10127 | diag::err_omp_parallel_sections_substmt_not_section); | ||||||||
10128 | return StmtError(); | ||||||||
10129 | } | ||||||||
10130 | cast<OMPSectionDirective>(SectionStmt) | ||||||||
10131 | ->setHasCancel(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||||||
10132 | } | ||||||||
10133 | } else { | ||||||||
10134 | Diag(AStmt->getBeginLoc(), | ||||||||
10135 | diag::err_omp_parallel_sections_not_compound_stmt); | ||||||||
10136 | return StmtError(); | ||||||||
10137 | } | ||||||||
10138 | |||||||||
10139 | setFunctionHasBranchProtectedScope(); | ||||||||
10140 | |||||||||
10141 | return OMPParallelSectionsDirective::Create( | ||||||||
10142 | Context, StartLoc, EndLoc, Clauses, AStmt, | ||||||||
10143 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||||||
10144 | } | ||||||||
10145 | |||||||||
10146 | /// Find and diagnose mutually exclusive clause kinds. | ||||||||
10147 | static bool checkMutuallyExclusiveClauses( | ||||||||
10148 | Sema &S, ArrayRef<OMPClause *> Clauses, | ||||||||
10149 | ArrayRef<OpenMPClauseKind> MutuallyExclusiveClauses) { | ||||||||
10150 | const OMPClause *PrevClause = nullptr; | ||||||||
10151 | bool ErrorFound = false; | ||||||||
10152 | for (const OMPClause *C : Clauses) { | ||||||||
10153 | if (llvm::is_contained(MutuallyExclusiveClauses, C->getClauseKind())) { | ||||||||
10154 | if (!PrevClause) { | ||||||||
10155 | PrevClause = C; | ||||||||
10156 | } else if (PrevClause->getClauseKind() != C->getClauseKind()) { | ||||||||
10157 | S.Diag(C->getBeginLoc(), diag::err_omp_clauses_mutually_exclusive) | ||||||||
10158 | << getOpenMPClauseName(C->getClauseKind()) | ||||||||
10159 | << getOpenMPClauseName(PrevClause->getClauseKind()); | ||||||||
10160 | S.Diag(PrevClause->getBeginLoc(), diag::note_omp_previous_clause) | ||||||||
10161 | << getOpenMPClauseName(PrevClause->getClauseKind()); | ||||||||
10162 | ErrorFound = true; | ||||||||
10163 | } | ||||||||
10164 | } | ||||||||
10165 | } | ||||||||
10166 | return ErrorFound; | ||||||||
10167 | } | ||||||||
10168 | |||||||||
10169 | StmtResult Sema::ActOnOpenMPTaskDirective(ArrayRef<OMPClause *> Clauses, | ||||||||
10170 | Stmt *AStmt, SourceLocation StartLoc, | ||||||||
10171 | SourceLocation EndLoc) { | ||||||||
10172 | if (!AStmt) | ||||||||
10173 | return StmtError(); | ||||||||
10174 | |||||||||
10175 | // OpenMP 5.0, 2.10.1 task Construct | ||||||||
10176 | // If a detach clause appears on the directive, then a mergeable clause cannot | ||||||||
10177 | // appear on the same directive. | ||||||||
10178 | if (checkMutuallyExclusiveClauses(*this, Clauses, | ||||||||
10179 | {OMPC_detach, OMPC_mergeable})) | ||||||||
10180 | return StmtError(); | ||||||||
10181 | |||||||||
10182 | auto *CS = cast<CapturedStmt>(AStmt); | ||||||||
10183 | // 1.2.2 OpenMP Language Terminology | ||||||||
10184 | // Structured block - An executable statement with a single entry at the | ||||||||
10185 | // top and a single exit at the bottom. | ||||||||
10186 | // The point of exit cannot be a branch out of the structured block. | ||||||||
10187 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
10188 | CS->getCapturedDecl()->setNothrow(); | ||||||||
10189 | |||||||||
10190 | setFunctionHasBranchProtectedScope(); | ||||||||
10191 | |||||||||
10192 | return OMPTaskDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, | ||||||||
10193 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||||||
10194 | } | ||||||||
10195 | |||||||||
10196 | StmtResult Sema::ActOnOpenMPTaskyieldDirective(SourceLocation StartLoc, | ||||||||
10197 | SourceLocation EndLoc) { | ||||||||
10198 | return OMPTaskyieldDirective::Create(Context, StartLoc, EndLoc); | ||||||||
10199 | } | ||||||||
10200 | |||||||||
10201 | StmtResult Sema::ActOnOpenMPBarrierDirective(SourceLocation StartLoc, | ||||||||
10202 | SourceLocation EndLoc) { | ||||||||
10203 | return OMPBarrierDirective::Create(Context, StartLoc, EndLoc); | ||||||||
10204 | } | ||||||||
10205 | |||||||||
10206 | StmtResult Sema::ActOnOpenMPTaskwaitDirective(SourceLocation StartLoc, | ||||||||
10207 | SourceLocation EndLoc) { | ||||||||
10208 | return OMPTaskwaitDirective::Create(Context, StartLoc, EndLoc); | ||||||||
10209 | } | ||||||||
10210 | |||||||||
10211 | StmtResult Sema::ActOnOpenMPTaskgroupDirective(ArrayRef<OMPClause *> Clauses, | ||||||||
10212 | Stmt *AStmt, | ||||||||
10213 | SourceLocation StartLoc, | ||||||||
10214 | SourceLocation EndLoc) { | ||||||||
10215 | if (!AStmt) | ||||||||
10216 | return StmtError(); | ||||||||
10217 | |||||||||
10218 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((void)0); | ||||||||
10219 | |||||||||
10220 | setFunctionHasBranchProtectedScope(); | ||||||||
10221 | |||||||||
10222 | return OMPTaskgroupDirective::Create(Context, StartLoc, EndLoc, Clauses, | ||||||||
10223 | AStmt, | ||||||||
10224 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef()); | ||||||||
10225 | } | ||||||||
10226 | |||||||||
10227 | StmtResult Sema::ActOnOpenMPFlushDirective(ArrayRef<OMPClause *> Clauses, | ||||||||
10228 | SourceLocation StartLoc, | ||||||||
10229 | SourceLocation EndLoc) { | ||||||||
10230 | OMPFlushClause *FC = nullptr; | ||||||||
10231 | OMPClause *OrderClause = nullptr; | ||||||||
10232 | for (OMPClause *C : Clauses) { | ||||||||
10233 | if (C->getClauseKind() == OMPC_flush) | ||||||||
10234 | FC = cast<OMPFlushClause>(C); | ||||||||
10235 | else | ||||||||
10236 | OrderClause = C; | ||||||||
10237 | } | ||||||||
10238 | OpenMPClauseKind MemOrderKind = OMPC_unknown; | ||||||||
10239 | SourceLocation MemOrderLoc; | ||||||||
10240 | for (const OMPClause *C : Clauses) { | ||||||||
10241 | if (C->getClauseKind() == OMPC_acq_rel || | ||||||||
10242 | C->getClauseKind() == OMPC_acquire || | ||||||||
10243 | C->getClauseKind() == OMPC_release) { | ||||||||
10244 | if (MemOrderKind != OMPC_unknown) { | ||||||||
10245 | Diag(C->getBeginLoc(), diag::err_omp_several_mem_order_clauses) | ||||||||
10246 | << getOpenMPDirectiveName(OMPD_flush) << 1 | ||||||||
10247 | << SourceRange(C->getBeginLoc(), C->getEndLoc()); | ||||||||
10248 | Diag(MemOrderLoc, diag::note_omp_previous_mem_order_clause) | ||||||||
10249 | << getOpenMPClauseName(MemOrderKind); | ||||||||
10250 | } else { | ||||||||
10251 | MemOrderKind = C->getClauseKind(); | ||||||||
10252 | MemOrderLoc = C->getBeginLoc(); | ||||||||
10253 | } | ||||||||
10254 | } | ||||||||
10255 | } | ||||||||
10256 | if (FC && OrderClause) { | ||||||||
10257 | Diag(FC->getLParenLoc(), diag::err_omp_flush_order_clause_and_list) | ||||||||
10258 | << getOpenMPClauseName(OrderClause->getClauseKind()); | ||||||||
10259 | Diag(OrderClause->getBeginLoc(), diag::note_omp_flush_order_clause_here) | ||||||||
10260 | << getOpenMPClauseName(OrderClause->getClauseKind()); | ||||||||
10261 | return StmtError(); | ||||||||
10262 | } | ||||||||
10263 | return OMPFlushDirective::Create(Context, StartLoc, EndLoc, Clauses); | ||||||||
10264 | } | ||||||||
10265 | |||||||||
10266 | StmtResult Sema::ActOnOpenMPDepobjDirective(ArrayRef<OMPClause *> Clauses, | ||||||||
10267 | SourceLocation StartLoc, | ||||||||
10268 | SourceLocation EndLoc) { | ||||||||
10269 | if (Clauses.empty()) { | ||||||||
10270 | Diag(StartLoc, diag::err_omp_depobj_expected); | ||||||||
10271 | return StmtError(); | ||||||||
10272 | } else if (Clauses[0]->getClauseKind() != OMPC_depobj) { | ||||||||
10273 | Diag(Clauses[0]->getBeginLoc(), diag::err_omp_depobj_expected); | ||||||||
10274 | return StmtError(); | ||||||||
10275 | } | ||||||||
10276 | // Only depobj expression and another single clause is allowed. | ||||||||
10277 | if (Clauses.size() > 2) { | ||||||||
10278 | Diag(Clauses[2]->getBeginLoc(), | ||||||||
10279 | diag::err_omp_depobj_single_clause_expected); | ||||||||
10280 | return StmtError(); | ||||||||
10281 | } else if (Clauses.size() < 1) { | ||||||||
10282 | Diag(Clauses[0]->getEndLoc(), diag::err_omp_depobj_single_clause_expected); | ||||||||
10283 | return StmtError(); | ||||||||
10284 | } | ||||||||
10285 | return OMPDepobjDirective::Create(Context, StartLoc, EndLoc, Clauses); | ||||||||
10286 | } | ||||||||
10287 | |||||||||
10288 | StmtResult Sema::ActOnOpenMPScanDirective(ArrayRef<OMPClause *> Clauses, | ||||||||
10289 | SourceLocation StartLoc, | ||||||||
10290 | SourceLocation EndLoc) { | ||||||||
10291 | // Check that exactly one clause is specified. | ||||||||
10292 | if (Clauses.size() != 1) { | ||||||||
10293 | Diag(Clauses.empty() ? EndLoc : Clauses[1]->getBeginLoc(), | ||||||||
10294 | diag::err_omp_scan_single_clause_expected); | ||||||||
10295 | return StmtError(); | ||||||||
10296 | } | ||||||||
10297 | // Check that scan directive is used in the scopeof the OpenMP loop body. | ||||||||
10298 | if (Scope *S = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurScope()) { | ||||||||
10299 | Scope *ParentS = S->getParent(); | ||||||||
10300 | if (!ParentS || ParentS->getParent() != ParentS->getBreakParent() || | ||||||||
10301 | !ParentS->getBreakParent()->isOpenMPLoopScope()) | ||||||||
10302 | return StmtError(Diag(StartLoc, diag::err_omp_orphaned_device_directive) | ||||||||
10303 | << getOpenMPDirectiveName(OMPD_scan) << 5); | ||||||||
10304 | } | ||||||||
10305 | // Check that only one instance of scan directives is used in the same outer | ||||||||
10306 | // region. | ||||||||
10307 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->doesParentHasScanDirective()) { | ||||||||
10308 | Diag(StartLoc, diag::err_omp_several_directives_in_region) << "scan"; | ||||||||
10309 | Diag(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentScanDirectiveLoc(), | ||||||||
10310 | diag::note_omp_previous_directive) | ||||||||
10311 | << "scan"; | ||||||||
10312 | return StmtError(); | ||||||||
10313 | } | ||||||||
10314 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentHasScanDirective(StartLoc); | ||||||||
10315 | return OMPScanDirective::Create(Context, StartLoc, EndLoc, Clauses); | ||||||||
10316 | } | ||||||||
10317 | |||||||||
10318 | StmtResult Sema::ActOnOpenMPOrderedDirective(ArrayRef<OMPClause *> Clauses, | ||||||||
10319 | Stmt *AStmt, | ||||||||
10320 | SourceLocation StartLoc, | ||||||||
10321 | SourceLocation EndLoc) { | ||||||||
10322 | const OMPClause *DependFound = nullptr; | ||||||||
10323 | const OMPClause *DependSourceClause = nullptr; | ||||||||
10324 | const OMPClause *DependSinkClause = nullptr; | ||||||||
10325 | bool ErrorFound = false; | ||||||||
10326 | const OMPThreadsClause *TC = nullptr; | ||||||||
10327 | const OMPSIMDClause *SC = nullptr; | ||||||||
10328 | for (const OMPClause *C : Clauses) { | ||||||||
10329 | if (auto *DC = dyn_cast<OMPDependClause>(C)) { | ||||||||
10330 | DependFound = C; | ||||||||
10331 | if (DC->getDependencyKind() == OMPC_DEPEND_source) { | ||||||||
10332 | if (DependSourceClause) { | ||||||||
10333 | Diag(C->getBeginLoc(), diag::err_omp_more_one_clause) | ||||||||
10334 | << getOpenMPDirectiveName(OMPD_ordered) | ||||||||
10335 | << getOpenMPClauseName(OMPC_depend) << 2; | ||||||||
10336 | ErrorFound = true; | ||||||||
10337 | } else { | ||||||||
10338 | DependSourceClause = C; | ||||||||
10339 | } | ||||||||
10340 | if (DependSinkClause) { | ||||||||
10341 | Diag(C->getBeginLoc(), diag::err_omp_depend_sink_source_not_allowed) | ||||||||
10342 | << 0; | ||||||||
10343 | ErrorFound = true; | ||||||||
10344 | } | ||||||||
10345 | } else if (DC->getDependencyKind() == OMPC_DEPEND_sink) { | ||||||||
10346 | if (DependSourceClause) { | ||||||||
10347 | Diag(C->getBeginLoc(), diag::err_omp_depend_sink_source_not_allowed) | ||||||||
10348 | << 1; | ||||||||
10349 | ErrorFound = true; | ||||||||
10350 | } | ||||||||
10351 | DependSinkClause = C; | ||||||||
10352 | } | ||||||||
10353 | } else if (C->getClauseKind() == OMPC_threads) { | ||||||||
10354 | TC = cast<OMPThreadsClause>(C); | ||||||||
10355 | } else if (C->getClauseKind() == OMPC_simd) { | ||||||||
10356 | SC = cast<OMPSIMDClause>(C); | ||||||||
10357 | } | ||||||||
10358 | } | ||||||||
10359 | if (!ErrorFound && !SC && | ||||||||
10360 | isOpenMPSimdDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentDirective())) { | ||||||||
10361 | // OpenMP [2.8.1,simd Construct, Restrictions] | ||||||||
10362 | // An ordered construct with the simd clause is the only OpenMP construct | ||||||||
10363 | // that can appear in the simd region. | ||||||||
10364 | Diag(StartLoc, diag::err_omp_prohibited_region_simd) | ||||||||
10365 | << (LangOpts.OpenMP >= 50 ? 1 : 0); | ||||||||
10366 | ErrorFound = true; | ||||||||
10367 | } else if (DependFound && (TC || SC)) { | ||||||||
10368 | Diag(DependFound->getBeginLoc(), diag::err_omp_depend_clause_thread_simd) | ||||||||
10369 | << getOpenMPClauseName(TC ? TC->getClauseKind() : SC->getClauseKind()); | ||||||||
10370 | ErrorFound = true; | ||||||||
10371 | } else if (DependFound && !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first) { | ||||||||
10372 | Diag(DependFound->getBeginLoc(), | ||||||||
10373 | diag::err_omp_ordered_directive_without_param); | ||||||||
10374 | ErrorFound = true; | ||||||||
10375 | } else if (TC || Clauses.empty()) { | ||||||||
10376 | if (const Expr *Param = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first) { | ||||||||
10377 | SourceLocation ErrLoc = TC ? TC->getBeginLoc() : StartLoc; | ||||||||
10378 | Diag(ErrLoc, diag::err_omp_ordered_directive_with_param) | ||||||||
10379 | << (TC != nullptr); | ||||||||
10380 | Diag(Param->getBeginLoc(), diag::note_omp_ordered_param) << 1; | ||||||||
10381 | ErrorFound = true; | ||||||||
10382 | } | ||||||||
10383 | } | ||||||||
10384 | if ((!AStmt && !DependFound) || ErrorFound) | ||||||||
10385 | return StmtError(); | ||||||||
10386 | |||||||||
10387 | // OpenMP 5.0, 2.17.9, ordered Construct, Restrictions. | ||||||||
10388 | // During execution of an iteration of a worksharing-loop or a loop nest | ||||||||
10389 | // within a worksharing-loop, simd, or worksharing-loop SIMD region, a thread | ||||||||
10390 | // must not execute more than one ordered region corresponding to an ordered | ||||||||
10391 | // construct without a depend clause. | ||||||||
10392 | if (!DependFound) { | ||||||||
10393 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->doesParentHasOrderedDirective()) { | ||||||||
10394 | Diag(StartLoc, diag::err_omp_several_directives_in_region) << "ordered"; | ||||||||
10395 | Diag(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedDirectiveLoc(), | ||||||||
10396 | diag::note_omp_previous_directive) | ||||||||
10397 | << "ordered"; | ||||||||
10398 | return StmtError(); | ||||||||
10399 | } | ||||||||
10400 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentHasOrderedDirective(StartLoc); | ||||||||
10401 | } | ||||||||
10402 | |||||||||
10403 | if (AStmt) { | ||||||||
10404 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((void)0); | ||||||||
10405 | |||||||||
10406 | setFunctionHasBranchProtectedScope(); | ||||||||
10407 | } | ||||||||
10408 | |||||||||
10409 | return OMPOrderedDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); | ||||||||
10410 | } | ||||||||
10411 | |||||||||
10412 | namespace { | ||||||||
10413 | /// Helper class for checking expression in 'omp atomic [update]' | ||||||||
10414 | /// construct. | ||||||||
10415 | class OpenMPAtomicUpdateChecker { | ||||||||
10416 | /// Error results for atomic update expressions. | ||||||||
10417 | enum ExprAnalysisErrorCode { | ||||||||
10418 | /// A statement is not an expression statement. | ||||||||
10419 | NotAnExpression, | ||||||||
10420 | /// Expression is not builtin binary or unary operation. | ||||||||
10421 | NotABinaryOrUnaryExpression, | ||||||||
10422 | /// Unary operation is not post-/pre- increment/decrement operation. | ||||||||
10423 | NotAnUnaryIncDecExpression, | ||||||||
10424 | /// An expression is not of scalar type. | ||||||||
10425 | NotAScalarType, | ||||||||
10426 | /// A binary operation is not an assignment operation. | ||||||||
10427 | NotAnAssignmentOp, | ||||||||
10428 | /// RHS part of the binary operation is not a binary expression. | ||||||||
10429 | NotABinaryExpression, | ||||||||
10430 | /// RHS part is not additive/multiplicative/shift/biwise binary | ||||||||
10431 | /// expression. | ||||||||
10432 | NotABinaryOperator, | ||||||||
10433 | /// RHS binary operation does not have reference to the updated LHS | ||||||||
10434 | /// part. | ||||||||
10435 | NotAnUpdateExpression, | ||||||||
10436 | /// No errors is found. | ||||||||
10437 | NoError | ||||||||
10438 | }; | ||||||||
10439 | /// Reference to Sema. | ||||||||
10440 | Sema &SemaRef; | ||||||||
10441 | /// A location for note diagnostics (when error is found). | ||||||||
10442 | SourceLocation NoteLoc; | ||||||||
10443 | /// 'x' lvalue part of the source atomic expression. | ||||||||
10444 | Expr *X; | ||||||||
10445 | /// 'expr' rvalue part of the source atomic expression. | ||||||||
10446 | Expr *E; | ||||||||
10447 | /// Helper expression of the form | ||||||||
10448 | /// 'OpaqueValueExpr(x) binop OpaqueValueExpr(expr)' or | ||||||||
10449 | /// 'OpaqueValueExpr(expr) binop OpaqueValueExpr(x)'. | ||||||||
10450 | Expr *UpdateExpr; | ||||||||
10451 | /// Is 'x' a LHS in a RHS part of full update expression. It is | ||||||||
10452 | /// important for non-associative operations. | ||||||||
10453 | bool IsXLHSInRHSPart; | ||||||||
10454 | BinaryOperatorKind Op; | ||||||||
10455 | SourceLocation OpLoc; | ||||||||
10456 | /// true if the source expression is a postfix unary operation, false | ||||||||
10457 | /// if it is a prefix unary operation. | ||||||||
10458 | bool IsPostfixUpdate; | ||||||||
10459 | |||||||||
10460 | public: | ||||||||
10461 | OpenMPAtomicUpdateChecker(Sema &SemaRef) | ||||||||
10462 | : SemaRef(SemaRef), X(nullptr), E(nullptr), UpdateExpr(nullptr), | ||||||||
10463 | IsXLHSInRHSPart(false), Op(BO_PtrMemD), IsPostfixUpdate(false) {} | ||||||||
10464 | /// Check specified statement that it is suitable for 'atomic update' | ||||||||
10465 | /// constructs and extract 'x', 'expr' and Operation from the original | ||||||||
10466 | /// expression. If DiagId and NoteId == 0, then only check is performed | ||||||||
10467 | /// without error notification. | ||||||||
10468 | /// \param DiagId Diagnostic which should be emitted if error is found. | ||||||||
10469 | /// \param NoteId Diagnostic note for the main error message. | ||||||||
10470 | /// \return true if statement is not an update expression, false otherwise. | ||||||||
10471 | bool checkStatement(Stmt *S, unsigned DiagId = 0, unsigned NoteId = 0); | ||||||||
10472 | /// Return the 'x' lvalue part of the source atomic expression. | ||||||||
10473 | Expr *getX() const { return X; } | ||||||||
10474 | /// Return the 'expr' rvalue part of the source atomic expression. | ||||||||
10475 | Expr *getExpr() const { return E; } | ||||||||
10476 | /// Return the update expression used in calculation of the updated | ||||||||
10477 | /// value. Always has form 'OpaqueValueExpr(x) binop OpaqueValueExpr(expr)' or | ||||||||
10478 | /// 'OpaqueValueExpr(expr) binop OpaqueValueExpr(x)'. | ||||||||
10479 | Expr *getUpdateExpr() const { return UpdateExpr; } | ||||||||
10480 | /// Return true if 'x' is LHS in RHS part of full update expression, | ||||||||
10481 | /// false otherwise. | ||||||||
10482 | bool isXLHSInRHSPart() const { return IsXLHSInRHSPart; } | ||||||||
10483 | |||||||||
10484 | /// true if the source expression is a postfix unary operation, false | ||||||||
10485 | /// if it is a prefix unary operation. | ||||||||
10486 | bool isPostfixUpdate() const { return IsPostfixUpdate; } | ||||||||
10487 | |||||||||
10488 | private: | ||||||||
10489 | bool checkBinaryOperation(BinaryOperator *AtomicBinOp, unsigned DiagId = 0, | ||||||||
10490 | unsigned NoteId = 0); | ||||||||
10491 | }; | ||||||||
10492 | } // namespace | ||||||||
10493 | |||||||||
10494 | bool OpenMPAtomicUpdateChecker::checkBinaryOperation( | ||||||||
10495 | BinaryOperator *AtomicBinOp, unsigned DiagId, unsigned NoteId) { | ||||||||
10496 | ExprAnalysisErrorCode ErrorFound = NoError; | ||||||||
10497 | SourceLocation ErrorLoc, NoteLoc; | ||||||||
10498 | SourceRange ErrorRange, NoteRange; | ||||||||
10499 | // Allowed constructs are: | ||||||||
10500 | // x = x binop expr; | ||||||||
10501 | // x = expr binop x; | ||||||||
10502 | if (AtomicBinOp->getOpcode() == BO_Assign) { | ||||||||
10503 | X = AtomicBinOp->getLHS(); | ||||||||
10504 | if (const auto *AtomicInnerBinOp = dyn_cast<BinaryOperator>( | ||||||||
10505 | AtomicBinOp->getRHS()->IgnoreParenImpCasts())) { | ||||||||
10506 | if (AtomicInnerBinOp->isMultiplicativeOp() || | ||||||||
10507 | AtomicInnerBinOp->isAdditiveOp() || AtomicInnerBinOp->isShiftOp() || | ||||||||
10508 | AtomicInnerBinOp->isBitwiseOp()) { | ||||||||
10509 | Op = AtomicInnerBinOp->getOpcode(); | ||||||||
10510 | OpLoc = AtomicInnerBinOp->getOperatorLoc(); | ||||||||
10511 | Expr *LHS = AtomicInnerBinOp->getLHS(); | ||||||||
10512 | Expr *RHS = AtomicInnerBinOp->getRHS(); | ||||||||
10513 | llvm::FoldingSetNodeID XId, LHSId, RHSId; | ||||||||
10514 | X->IgnoreParenImpCasts()->Profile(XId, SemaRef.getASTContext(), | ||||||||
10515 | /*Canonical=*/true); | ||||||||
10516 | LHS->IgnoreParenImpCasts()->Profile(LHSId, SemaRef.getASTContext(), | ||||||||
10517 | /*Canonical=*/true); | ||||||||
10518 | RHS->IgnoreParenImpCasts()->Profile(RHSId, SemaRef.getASTContext(), | ||||||||
10519 | /*Canonical=*/true); | ||||||||
10520 | if (XId == LHSId) { | ||||||||
10521 | E = RHS; | ||||||||
10522 | IsXLHSInRHSPart = true; | ||||||||
10523 | } else if (XId == RHSId) { | ||||||||
10524 | E = LHS; | ||||||||
10525 | IsXLHSInRHSPart = false; | ||||||||
10526 | } else { | ||||||||
10527 | ErrorLoc = AtomicInnerBinOp->getExprLoc(); | ||||||||
10528 | ErrorRange = AtomicInnerBinOp->getSourceRange(); | ||||||||
10529 | NoteLoc = X->getExprLoc(); | ||||||||
10530 | NoteRange = X->getSourceRange(); | ||||||||
10531 | ErrorFound = NotAnUpdateExpression; | ||||||||
10532 | } | ||||||||
10533 | } else { | ||||||||
10534 | ErrorLoc = AtomicInnerBinOp->getExprLoc(); | ||||||||
10535 | ErrorRange = AtomicInnerBinOp->getSourceRange(); | ||||||||
10536 | NoteLoc = AtomicInnerBinOp->getOperatorLoc(); | ||||||||
10537 | NoteRange = SourceRange(NoteLoc, NoteLoc); | ||||||||
10538 | ErrorFound = NotABinaryOperator; | ||||||||
10539 | } | ||||||||
10540 | } else { | ||||||||
10541 | NoteLoc = ErrorLoc = AtomicBinOp->getRHS()->getExprLoc(); | ||||||||
10542 | NoteRange = ErrorRange = AtomicBinOp->getRHS()->getSourceRange(); | ||||||||
10543 | ErrorFound = NotABinaryExpression; | ||||||||
10544 | } | ||||||||
10545 | } else { | ||||||||
10546 | ErrorLoc = AtomicBinOp->getExprLoc(); | ||||||||
10547 | ErrorRange = AtomicBinOp->getSourceRange(); | ||||||||
10548 | NoteLoc = AtomicBinOp->getOperatorLoc(); | ||||||||
10549 | NoteRange = SourceRange(NoteLoc, NoteLoc); | ||||||||
10550 | ErrorFound = NotAnAssignmentOp; | ||||||||
10551 | } | ||||||||
10552 | if (ErrorFound != NoError && DiagId != 0 && NoteId != 0) { | ||||||||
10553 | SemaRef.Diag(ErrorLoc, DiagId) << ErrorRange; | ||||||||
10554 | SemaRef.Diag(NoteLoc, NoteId) << ErrorFound << NoteRange; | ||||||||
10555 | return true; | ||||||||
10556 | } | ||||||||
10557 | if (SemaRef.CurContext->isDependentContext()) | ||||||||
10558 | E = X = UpdateExpr = nullptr; | ||||||||
10559 | return ErrorFound != NoError; | ||||||||
10560 | } | ||||||||
10561 | |||||||||
10562 | bool OpenMPAtomicUpdateChecker::checkStatement(Stmt *S, unsigned DiagId, | ||||||||
10563 | unsigned NoteId) { | ||||||||
10564 | ExprAnalysisErrorCode ErrorFound = NoError; | ||||||||
10565 | SourceLocation ErrorLoc, NoteLoc; | ||||||||
10566 | SourceRange ErrorRange, NoteRange; | ||||||||
10567 | // Allowed constructs are: | ||||||||
10568 | // x++; | ||||||||
10569 | // x--; | ||||||||
10570 | // ++x; | ||||||||
10571 | // --x; | ||||||||
10572 | // x binop= expr; | ||||||||
10573 | // x = x binop expr; | ||||||||
10574 | // x = expr binop x; | ||||||||
10575 | if (auto *AtomicBody = dyn_cast<Expr>(S)) { | ||||||||
10576 | AtomicBody = AtomicBody->IgnoreParenImpCasts(); | ||||||||
10577 | if (AtomicBody->getType()->isScalarType() || | ||||||||
10578 | AtomicBody->isInstantiationDependent()) { | ||||||||
10579 | if (const auto *AtomicCompAssignOp = dyn_cast<CompoundAssignOperator>( | ||||||||
10580 | AtomicBody->IgnoreParenImpCasts())) { | ||||||||
10581 | // Check for Compound Assignment Operation | ||||||||
10582 | Op = BinaryOperator::getOpForCompoundAssignment( | ||||||||
10583 | AtomicCompAssignOp->getOpcode()); | ||||||||
10584 | OpLoc = AtomicCompAssignOp->getOperatorLoc(); | ||||||||
10585 | E = AtomicCompAssignOp->getRHS(); | ||||||||
10586 | X = AtomicCompAssignOp->getLHS()->IgnoreParens(); | ||||||||
10587 | IsXLHSInRHSPart = true; | ||||||||
10588 | } else if (auto *AtomicBinOp = dyn_cast<BinaryOperator>( | ||||||||
10589 | AtomicBody->IgnoreParenImpCasts())) { | ||||||||
10590 | // Check for Binary Operation | ||||||||
10591 | if (checkBinaryOperation(AtomicBinOp, DiagId, NoteId)) | ||||||||
10592 | return true; | ||||||||
10593 | } else if (const auto *AtomicUnaryOp = dyn_cast<UnaryOperator>( | ||||||||
10594 | AtomicBody->IgnoreParenImpCasts())) { | ||||||||
10595 | // Check for Unary Operation | ||||||||
10596 | if (AtomicUnaryOp->isIncrementDecrementOp()) { | ||||||||
10597 | IsPostfixUpdate = AtomicUnaryOp->isPostfix(); | ||||||||
10598 | Op = AtomicUnaryOp->isIncrementOp() ? BO_Add : BO_Sub; | ||||||||
10599 | OpLoc = AtomicUnaryOp->getOperatorLoc(); | ||||||||
10600 | X = AtomicUnaryOp->getSubExpr()->IgnoreParens(); | ||||||||
10601 | E = SemaRef.ActOnIntegerConstant(OpLoc, /*uint64_t Val=*/1).get(); | ||||||||
10602 | IsXLHSInRHSPart = true; | ||||||||
10603 | } else { | ||||||||
10604 | ErrorFound = NotAnUnaryIncDecExpression; | ||||||||
10605 | ErrorLoc = AtomicUnaryOp->getExprLoc(); | ||||||||
10606 | ErrorRange = AtomicUnaryOp->getSourceRange(); | ||||||||
10607 | NoteLoc = AtomicUnaryOp->getOperatorLoc(); | ||||||||
10608 | NoteRange = SourceRange(NoteLoc, NoteLoc); | ||||||||
10609 | } | ||||||||
10610 | } else if (!AtomicBody->isInstantiationDependent()) { | ||||||||
10611 | ErrorFound = NotABinaryOrUnaryExpression; | ||||||||
10612 | NoteLoc = ErrorLoc = AtomicBody->getExprLoc(); | ||||||||
10613 | NoteRange = ErrorRange = AtomicBody->getSourceRange(); | ||||||||
10614 | } | ||||||||
10615 | } else { | ||||||||
10616 | ErrorFound = NotAScalarType; | ||||||||
10617 | NoteLoc = ErrorLoc = AtomicBody->getBeginLoc(); | ||||||||
10618 | NoteRange = ErrorRange = SourceRange(NoteLoc, NoteLoc); | ||||||||
10619 | } | ||||||||
10620 | } else { | ||||||||
10621 | ErrorFound = NotAnExpression; | ||||||||
10622 | NoteLoc = ErrorLoc = S->getBeginLoc(); | ||||||||
10623 | NoteRange = ErrorRange = SourceRange(NoteLoc, NoteLoc); | ||||||||
10624 | } | ||||||||
10625 | if (ErrorFound != NoError && DiagId != 0 && NoteId != 0) { | ||||||||
10626 | SemaRef.Diag(ErrorLoc, DiagId) << ErrorRange; | ||||||||
10627 | SemaRef.Diag(NoteLoc, NoteId) << ErrorFound << NoteRange; | ||||||||
10628 | return true; | ||||||||
10629 | } | ||||||||
10630 | if (SemaRef.CurContext->isDependentContext()) | ||||||||
10631 | E = X = UpdateExpr = nullptr; | ||||||||
10632 | if (ErrorFound == NoError && E && X) { | ||||||||
10633 | // Build an update expression of form 'OpaqueValueExpr(x) binop | ||||||||
10634 | // OpaqueValueExpr(expr)' or 'OpaqueValueExpr(expr) binop | ||||||||
10635 | // OpaqueValueExpr(x)' and then cast it to the type of the 'x' expression. | ||||||||
10636 | auto *OVEX = new (SemaRef.getASTContext()) | ||||||||
10637 | OpaqueValueExpr(X->getExprLoc(), X->getType(), VK_PRValue); | ||||||||
10638 | auto *OVEExpr = new (SemaRef.getASTContext()) | ||||||||
10639 | OpaqueValueExpr(E->getExprLoc(), E->getType(), VK_PRValue); | ||||||||
10640 | ExprResult Update = | ||||||||
10641 | SemaRef.CreateBuiltinBinOp(OpLoc, Op, IsXLHSInRHSPart ? OVEX : OVEExpr, | ||||||||
10642 | IsXLHSInRHSPart ? OVEExpr : OVEX); | ||||||||
10643 | if (Update.isInvalid()) | ||||||||
10644 | return true; | ||||||||
10645 | Update = SemaRef.PerformImplicitConversion(Update.get(), X->getType(), | ||||||||
10646 | Sema::AA_Casting); | ||||||||
10647 | if (Update.isInvalid()) | ||||||||
10648 | return true; | ||||||||
10649 | UpdateExpr = Update.get(); | ||||||||
10650 | } | ||||||||
10651 | return ErrorFound != NoError; | ||||||||
10652 | } | ||||||||
10653 | |||||||||
10654 | StmtResult Sema::ActOnOpenMPAtomicDirective(ArrayRef<OMPClause *> Clauses, | ||||||||
10655 | Stmt *AStmt, | ||||||||
10656 | SourceLocation StartLoc, | ||||||||
10657 | SourceLocation EndLoc) { | ||||||||
10658 | // Register location of the first atomic directive. | ||||||||
10659 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addAtomicDirectiveLoc(StartLoc); | ||||||||
10660 | if (!AStmt) | ||||||||
10661 | return StmtError(); | ||||||||
10662 | |||||||||
10663 | // 1.2.2 OpenMP Language Terminology | ||||||||
10664 | // Structured block - An executable statement with a single entry at the | ||||||||
10665 | // top and a single exit at the bottom. | ||||||||
10666 | // The point of exit cannot be a branch out of the structured block. | ||||||||
10667 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
10668 | OpenMPClauseKind AtomicKind = OMPC_unknown; | ||||||||
10669 | SourceLocation AtomicKindLoc; | ||||||||
10670 | OpenMPClauseKind MemOrderKind = OMPC_unknown; | ||||||||
10671 | SourceLocation MemOrderLoc; | ||||||||
10672 | for (const OMPClause *C : Clauses) { | ||||||||
10673 | if (C->getClauseKind() == OMPC_read || C->getClauseKind() == OMPC_write || | ||||||||
10674 | C->getClauseKind() == OMPC_update || | ||||||||
10675 | C->getClauseKind() == OMPC_capture) { | ||||||||
10676 | if (AtomicKind != OMPC_unknown) { | ||||||||
10677 | Diag(C->getBeginLoc(), diag::err_omp_atomic_several_clauses) | ||||||||
10678 | << SourceRange(C->getBeginLoc(), C->getEndLoc()); | ||||||||
10679 | Diag(AtomicKindLoc, diag::note_omp_previous_mem_order_clause) | ||||||||
10680 | << getOpenMPClauseName(AtomicKind); | ||||||||
10681 | } else { | ||||||||
10682 | AtomicKind = C->getClauseKind(); | ||||||||
10683 | AtomicKindLoc = C->getBeginLoc(); | ||||||||
10684 | } | ||||||||
10685 | } | ||||||||
10686 | if (C->getClauseKind() == OMPC_seq_cst || | ||||||||
10687 | C->getClauseKind() == OMPC_acq_rel || | ||||||||
10688 | C->getClauseKind() == OMPC_acquire || | ||||||||
10689 | C->getClauseKind() == OMPC_release || | ||||||||
10690 | C->getClauseKind() == OMPC_relaxed) { | ||||||||
10691 | if (MemOrderKind != OMPC_unknown) { | ||||||||
10692 | Diag(C->getBeginLoc(), diag::err_omp_several_mem_order_clauses) | ||||||||
10693 | << getOpenMPDirectiveName(OMPD_atomic) << 0 | ||||||||
10694 | << SourceRange(C->getBeginLoc(), C->getEndLoc()); | ||||||||
10695 | Diag(MemOrderLoc, diag::note_omp_previous_mem_order_clause) | ||||||||
10696 | << getOpenMPClauseName(MemOrderKind); | ||||||||
10697 | } else { | ||||||||
10698 | MemOrderKind = C->getClauseKind(); | ||||||||
10699 | MemOrderLoc = C->getBeginLoc(); | ||||||||
10700 | } | ||||||||
10701 | } | ||||||||
10702 | } | ||||||||
10703 | // OpenMP 5.0, 2.17.7 atomic Construct, Restrictions | ||||||||
10704 | // If atomic-clause is read then memory-order-clause must not be acq_rel or | ||||||||
10705 | // release. | ||||||||
10706 | // If atomic-clause is write then memory-order-clause must not be acq_rel or | ||||||||
10707 | // acquire. | ||||||||
10708 | // If atomic-clause is update or not present then memory-order-clause must not | ||||||||
10709 | // be acq_rel or acquire. | ||||||||
10710 | if ((AtomicKind == OMPC_read && | ||||||||
10711 | (MemOrderKind == OMPC_acq_rel || MemOrderKind == OMPC_release)) || | ||||||||
10712 | ((AtomicKind == OMPC_write || AtomicKind == OMPC_update || | ||||||||
10713 | AtomicKind == OMPC_unknown) && | ||||||||
10714 | (MemOrderKind == OMPC_acq_rel || MemOrderKind == OMPC_acquire))) { | ||||||||
10715 | SourceLocation Loc = AtomicKindLoc; | ||||||||
10716 | if (AtomicKind == OMPC_unknown) | ||||||||
10717 | Loc = StartLoc; | ||||||||
10718 | Diag(Loc, diag::err_omp_atomic_incompatible_mem_order_clause) | ||||||||
10719 | << getOpenMPClauseName(AtomicKind) | ||||||||
10720 | << (AtomicKind == OMPC_unknown ? 1 : 0) | ||||||||
10721 | << getOpenMPClauseName(MemOrderKind); | ||||||||
10722 | Diag(MemOrderLoc, diag::note_omp_previous_mem_order_clause) | ||||||||
10723 | << getOpenMPClauseName(MemOrderKind); | ||||||||
10724 | } | ||||||||
10725 | |||||||||
10726 | Stmt *Body = AStmt; | ||||||||
10727 | if (auto *EWC = dyn_cast<ExprWithCleanups>(Body)) | ||||||||
10728 | Body = EWC->getSubExpr(); | ||||||||
10729 | |||||||||
10730 | Expr *X = nullptr; | ||||||||
10731 | Expr *V = nullptr; | ||||||||
10732 | Expr *E = nullptr; | ||||||||
10733 | Expr *UE = nullptr; | ||||||||
10734 | bool IsXLHSInRHSPart = false; | ||||||||
10735 | bool IsPostfixUpdate = false; | ||||||||
10736 | // OpenMP [2.12.6, atomic Construct] | ||||||||
10737 | // In the next expressions: | ||||||||
10738 | // * x and v (as applicable) are both l-value expressions with scalar type. | ||||||||
10739 | // * During the execution of an atomic region, multiple syntactic | ||||||||
10740 | // occurrences of x must designate the same storage location. | ||||||||
10741 | // * Neither of v and expr (as applicable) may access the storage location | ||||||||
10742 | // designated by x. | ||||||||
10743 | // * Neither of x and expr (as applicable) may access the storage location | ||||||||
10744 | // designated by v. | ||||||||
10745 | // * expr is an expression with scalar type. | ||||||||
10746 | // * binop is one of +, *, -, /, &, ^, |, <<, or >>. | ||||||||
10747 | // * binop, binop=, ++, and -- are not overloaded operators. | ||||||||
10748 | // * The expression x binop expr must be numerically equivalent to x binop | ||||||||
10749 | // (expr). This requirement is satisfied if the operators in expr have | ||||||||
10750 | // precedence greater than binop, or by using parentheses around expr or | ||||||||
10751 | // subexpressions of expr. | ||||||||
10752 | // * The expression expr binop x must be numerically equivalent to (expr) | ||||||||
10753 | // binop x. This requirement is satisfied if the operators in expr have | ||||||||
10754 | // precedence equal to or greater than binop, or by using parentheses around | ||||||||
10755 | // expr or subexpressions of expr. | ||||||||
10756 | // * For forms that allow multiple occurrences of x, the number of times | ||||||||
10757 | // that x is evaluated is unspecified. | ||||||||
10758 | if (AtomicKind == OMPC_read) { | ||||||||
10759 | enum { | ||||||||
10760 | NotAnExpression, | ||||||||
10761 | NotAnAssignmentOp, | ||||||||
10762 | NotAScalarType, | ||||||||
10763 | NotAnLValue, | ||||||||
10764 | NoError | ||||||||
10765 | } ErrorFound = NoError; | ||||||||
10766 | SourceLocation ErrorLoc, NoteLoc; | ||||||||
10767 | SourceRange ErrorRange, NoteRange; | ||||||||
10768 | // If clause is read: | ||||||||
10769 | // v = x; | ||||||||
10770 | if (const auto *AtomicBody = dyn_cast<Expr>(Body)) { | ||||||||
10771 | const auto *AtomicBinOp = | ||||||||
10772 | dyn_cast<BinaryOperator>(AtomicBody->IgnoreParenImpCasts()); | ||||||||
10773 | if (AtomicBinOp && AtomicBinOp->getOpcode() == BO_Assign) { | ||||||||
10774 | X = AtomicBinOp->getRHS()->IgnoreParenImpCasts(); | ||||||||
10775 | V = AtomicBinOp->getLHS()->IgnoreParenImpCasts(); | ||||||||
10776 | if ((X->isInstantiationDependent() || X->getType()->isScalarType()) && | ||||||||
10777 | (V->isInstantiationDependent() || V->getType()->isScalarType())) { | ||||||||
10778 | if (!X->isLValue() || !V->isLValue()) { | ||||||||
10779 | const Expr *NotLValueExpr = X->isLValue() ? V : X; | ||||||||
10780 | ErrorFound = NotAnLValue; | ||||||||
10781 | ErrorLoc = AtomicBinOp->getExprLoc(); | ||||||||
10782 | ErrorRange = AtomicBinOp->getSourceRange(); | ||||||||
10783 | NoteLoc = NotLValueExpr->getExprLoc(); | ||||||||
10784 | NoteRange = NotLValueExpr->getSourceRange(); | ||||||||
10785 | } | ||||||||
10786 | } else if (!X->isInstantiationDependent() || | ||||||||
10787 | !V->isInstantiationDependent()) { | ||||||||
10788 | const Expr *NotScalarExpr = | ||||||||
10789 | (X->isInstantiationDependent() || X->getType()->isScalarType()) | ||||||||
10790 | ? V | ||||||||
10791 | : X; | ||||||||
10792 | ErrorFound = NotAScalarType; | ||||||||
10793 | ErrorLoc = AtomicBinOp->getExprLoc(); | ||||||||
10794 | ErrorRange = AtomicBinOp->getSourceRange(); | ||||||||
10795 | NoteLoc = NotScalarExpr->getExprLoc(); | ||||||||
10796 | NoteRange = NotScalarExpr->getSourceRange(); | ||||||||
10797 | } | ||||||||
10798 | } else if (!AtomicBody->isInstantiationDependent()) { | ||||||||
10799 | ErrorFound = NotAnAssignmentOp; | ||||||||
10800 | ErrorLoc = AtomicBody->getExprLoc(); | ||||||||
10801 | ErrorRange = AtomicBody->getSourceRange(); | ||||||||
10802 | NoteLoc = AtomicBinOp ? AtomicBinOp->getOperatorLoc() | ||||||||
10803 | : AtomicBody->getExprLoc(); | ||||||||
10804 | NoteRange = AtomicBinOp ? AtomicBinOp->getSourceRange() | ||||||||
10805 | : AtomicBody->getSourceRange(); | ||||||||
10806 | } | ||||||||
10807 | } else { | ||||||||
10808 | ErrorFound = NotAnExpression; | ||||||||
10809 | NoteLoc = ErrorLoc = Body->getBeginLoc(); | ||||||||
10810 | NoteRange = ErrorRange = SourceRange(NoteLoc, NoteLoc); | ||||||||
10811 | } | ||||||||
10812 | if (ErrorFound != NoError) { | ||||||||
10813 | Diag(ErrorLoc, diag::err_omp_atomic_read_not_expression_statement) | ||||||||
10814 | << ErrorRange; | ||||||||
10815 | Diag(NoteLoc, diag::note_omp_atomic_read_write) << ErrorFound | ||||||||
10816 | << NoteRange; | ||||||||
10817 | return StmtError(); | ||||||||
10818 | } | ||||||||
10819 | if (CurContext->isDependentContext()) | ||||||||
10820 | V = X = nullptr; | ||||||||
10821 | } else if (AtomicKind == OMPC_write) { | ||||||||
10822 | enum { | ||||||||
10823 | NotAnExpression, | ||||||||
10824 | NotAnAssignmentOp, | ||||||||
10825 | NotAScalarType, | ||||||||
10826 | NotAnLValue, | ||||||||
10827 | NoError | ||||||||
10828 | } ErrorFound = NoError; | ||||||||
10829 | SourceLocation ErrorLoc, NoteLoc; | ||||||||
10830 | SourceRange ErrorRange, NoteRange; | ||||||||
10831 | // If clause is write: | ||||||||
10832 | // x = expr; | ||||||||
10833 | if (const auto *AtomicBody = dyn_cast<Expr>(Body)) { | ||||||||
10834 | const auto *AtomicBinOp = | ||||||||
10835 | dyn_cast<BinaryOperator>(AtomicBody->IgnoreParenImpCasts()); | ||||||||
10836 | if (AtomicBinOp && AtomicBinOp->getOpcode() == BO_Assign) { | ||||||||
10837 | X = AtomicBinOp->getLHS(); | ||||||||
10838 | E = AtomicBinOp->getRHS(); | ||||||||
10839 | if ((X->isInstantiationDependent() || X->getType()->isScalarType()) && | ||||||||
10840 | (E->isInstantiationDependent() || E->getType()->isScalarType())) { | ||||||||
10841 | if (!X->isLValue()) { | ||||||||
10842 | ErrorFound = NotAnLValue; | ||||||||
10843 | ErrorLoc = AtomicBinOp->getExprLoc(); | ||||||||
10844 | ErrorRange = AtomicBinOp->getSourceRange(); | ||||||||
10845 | NoteLoc = X->getExprLoc(); | ||||||||
10846 | NoteRange = X->getSourceRange(); | ||||||||
10847 | } | ||||||||
10848 | } else if (!X->isInstantiationDependent() || | ||||||||
10849 | !E->isInstantiationDependent()) { | ||||||||
10850 | const Expr *NotScalarExpr = | ||||||||
10851 | (X->isInstantiationDependent() || X->getType()->isScalarType()) | ||||||||
10852 | ? E | ||||||||
10853 | : X; | ||||||||
10854 | ErrorFound = NotAScalarType; | ||||||||
10855 | ErrorLoc = AtomicBinOp->getExprLoc(); | ||||||||
10856 | ErrorRange = AtomicBinOp->getSourceRange(); | ||||||||
10857 | NoteLoc = NotScalarExpr->getExprLoc(); | ||||||||
10858 | NoteRange = NotScalarExpr->getSourceRange(); | ||||||||
10859 | } | ||||||||
10860 | } else if (!AtomicBody->isInstantiationDependent()) { | ||||||||
10861 | ErrorFound = NotAnAssignmentOp; | ||||||||
10862 | ErrorLoc = AtomicBody->getExprLoc(); | ||||||||
10863 | ErrorRange = AtomicBody->getSourceRange(); | ||||||||
10864 | NoteLoc = AtomicBinOp ? AtomicBinOp->getOperatorLoc() | ||||||||
10865 | : AtomicBody->getExprLoc(); | ||||||||
10866 | NoteRange = AtomicBinOp ? AtomicBinOp->getSourceRange() | ||||||||
10867 | : AtomicBody->getSourceRange(); | ||||||||
10868 | } | ||||||||
10869 | } else { | ||||||||
10870 | ErrorFound = NotAnExpression; | ||||||||
10871 | NoteLoc = ErrorLoc = Body->getBeginLoc(); | ||||||||
10872 | NoteRange = ErrorRange = SourceRange(NoteLoc, NoteLoc); | ||||||||
10873 | } | ||||||||
10874 | if (ErrorFound != NoError) { | ||||||||
10875 | Diag(ErrorLoc, diag::err_omp_atomic_write_not_expression_statement) | ||||||||
10876 | << ErrorRange; | ||||||||
10877 | Diag(NoteLoc, diag::note_omp_atomic_read_write) << ErrorFound | ||||||||
10878 | << NoteRange; | ||||||||
10879 | return StmtError(); | ||||||||
10880 | } | ||||||||
10881 | if (CurContext->isDependentContext()) | ||||||||
10882 | E = X = nullptr; | ||||||||
10883 | } else if (AtomicKind == OMPC_update || AtomicKind == OMPC_unknown) { | ||||||||
10884 | // If clause is update: | ||||||||
10885 | // x++; | ||||||||
10886 | // x--; | ||||||||
10887 | // ++x; | ||||||||
10888 | // --x; | ||||||||
10889 | // x binop= expr; | ||||||||
10890 | // x = x binop expr; | ||||||||
10891 | // x = expr binop x; | ||||||||
10892 | OpenMPAtomicUpdateChecker Checker(*this); | ||||||||
10893 | if (Checker.checkStatement( | ||||||||
10894 | Body, (AtomicKind == OMPC_update) | ||||||||
10895 | ? diag::err_omp_atomic_update_not_expression_statement | ||||||||
10896 | : diag::err_omp_atomic_not_expression_statement, | ||||||||
10897 | diag::note_omp_atomic_update)) | ||||||||
10898 | return StmtError(); | ||||||||
10899 | if (!CurContext->isDependentContext()) { | ||||||||
10900 | E = Checker.getExpr(); | ||||||||
10901 | X = Checker.getX(); | ||||||||
10902 | UE = Checker.getUpdateExpr(); | ||||||||
10903 | IsXLHSInRHSPart = Checker.isXLHSInRHSPart(); | ||||||||
10904 | } | ||||||||
10905 | } else if (AtomicKind == OMPC_capture) { | ||||||||
10906 | enum { | ||||||||
10907 | NotAnAssignmentOp, | ||||||||
10908 | NotACompoundStatement, | ||||||||
10909 | NotTwoSubstatements, | ||||||||
10910 | NotASpecificExpression, | ||||||||
10911 | NoError | ||||||||
10912 | } ErrorFound = NoError; | ||||||||
10913 | SourceLocation ErrorLoc, NoteLoc; | ||||||||
10914 | SourceRange ErrorRange, NoteRange; | ||||||||
10915 | if (const auto *AtomicBody = dyn_cast<Expr>(Body)) { | ||||||||
10916 | // If clause is a capture: | ||||||||
10917 | // v = x++; | ||||||||
10918 | // v = x--; | ||||||||
10919 | // v = ++x; | ||||||||
10920 | // v = --x; | ||||||||
10921 | // v = x binop= expr; | ||||||||
10922 | // v = x = x binop expr; | ||||||||
10923 | // v = x = expr binop x; | ||||||||
10924 | const auto *AtomicBinOp = | ||||||||
10925 | dyn_cast<BinaryOperator>(AtomicBody->IgnoreParenImpCasts()); | ||||||||
10926 | if (AtomicBinOp && AtomicBinOp->getOpcode() == BO_Assign) { | ||||||||
10927 | V = AtomicBinOp->getLHS(); | ||||||||
10928 | Body = AtomicBinOp->getRHS()->IgnoreParenImpCasts(); | ||||||||
10929 | OpenMPAtomicUpdateChecker Checker(*this); | ||||||||
10930 | if (Checker.checkStatement( | ||||||||
10931 | Body, diag::err_omp_atomic_capture_not_expression_statement, | ||||||||
10932 | diag::note_omp_atomic_update)) | ||||||||
10933 | return StmtError(); | ||||||||
10934 | E = Checker.getExpr(); | ||||||||
10935 | X = Checker.getX(); | ||||||||
10936 | UE = Checker.getUpdateExpr(); | ||||||||
10937 | IsXLHSInRHSPart = Checker.isXLHSInRHSPart(); | ||||||||
10938 | IsPostfixUpdate = Checker.isPostfixUpdate(); | ||||||||
10939 | } else if (!AtomicBody->isInstantiationDependent()) { | ||||||||
10940 | ErrorLoc = AtomicBody->getExprLoc(); | ||||||||
10941 | ErrorRange = AtomicBody->getSourceRange(); | ||||||||
10942 | NoteLoc = AtomicBinOp ? AtomicBinOp->getOperatorLoc() | ||||||||
10943 | : AtomicBody->getExprLoc(); | ||||||||
10944 | NoteRange = AtomicBinOp ? AtomicBinOp->getSourceRange() | ||||||||
10945 | : AtomicBody->getSourceRange(); | ||||||||
10946 | ErrorFound = NotAnAssignmentOp; | ||||||||
10947 | } | ||||||||
10948 | if (ErrorFound != NoError) { | ||||||||
10949 | Diag(ErrorLoc, diag::err_omp_atomic_capture_not_expression_statement) | ||||||||
10950 | << ErrorRange; | ||||||||
10951 | Diag(NoteLoc, diag::note_omp_atomic_capture) << ErrorFound << NoteRange; | ||||||||
10952 | return StmtError(); | ||||||||
10953 | } | ||||||||
10954 | if (CurContext->isDependentContext()) | ||||||||
10955 | UE = V = E = X = nullptr; | ||||||||
10956 | } else { | ||||||||
10957 | // If clause is a capture: | ||||||||
10958 | // { v = x; x = expr; } | ||||||||
10959 | // { v = x; x++; } | ||||||||
10960 | // { v = x; x--; } | ||||||||
10961 | // { v = x; ++x; } | ||||||||
10962 | // { v = x; --x; } | ||||||||
10963 | // { v = x; x binop= expr; } | ||||||||
10964 | // { v = x; x = x binop expr; } | ||||||||
10965 | // { v = x; x = expr binop x; } | ||||||||
10966 | // { x++; v = x; } | ||||||||
10967 | // { x--; v = x; } | ||||||||
10968 | // { ++x; v = x; } | ||||||||
10969 | // { --x; v = x; } | ||||||||
10970 | // { x binop= expr; v = x; } | ||||||||
10971 | // { x = x binop expr; v = x; } | ||||||||
10972 | // { x = expr binop x; v = x; } | ||||||||
10973 | if (auto *CS = dyn_cast<CompoundStmt>(Body)) { | ||||||||
10974 | // Check that this is { expr1; expr2; } | ||||||||
10975 | if (CS->size() == 2) { | ||||||||
10976 | Stmt *First = CS->body_front(); | ||||||||
10977 | Stmt *Second = CS->body_back(); | ||||||||
10978 | if (auto *EWC = dyn_cast<ExprWithCleanups>(First)) | ||||||||
10979 | First = EWC->getSubExpr()->IgnoreParenImpCasts(); | ||||||||
10980 | if (auto *EWC = dyn_cast<ExprWithCleanups>(Second)) | ||||||||
10981 | Second = EWC->getSubExpr()->IgnoreParenImpCasts(); | ||||||||
10982 | // Need to find what subexpression is 'v' and what is 'x'. | ||||||||
10983 | OpenMPAtomicUpdateChecker Checker(*this); | ||||||||
10984 | bool IsUpdateExprFound = !Checker.checkStatement(Second); | ||||||||
10985 | BinaryOperator *BinOp = nullptr; | ||||||||
10986 | if (IsUpdateExprFound) { | ||||||||
10987 | BinOp = dyn_cast<BinaryOperator>(First); | ||||||||
10988 | IsUpdateExprFound = BinOp && BinOp->getOpcode() == BO_Assign; | ||||||||
10989 | } | ||||||||
10990 | if (IsUpdateExprFound && !CurContext->isDependentContext()) { | ||||||||
10991 | // { v = x; x++; } | ||||||||
10992 | // { v = x; x--; } | ||||||||
10993 | // { v = x; ++x; } | ||||||||
10994 | // { v = x; --x; } | ||||||||
10995 | // { v = x; x binop= expr; } | ||||||||
10996 | // { v = x; x = x binop expr; } | ||||||||
10997 | // { v = x; x = expr binop x; } | ||||||||
10998 | // Check that the first expression has form v = x. | ||||||||
10999 | Expr *PossibleX = BinOp->getRHS()->IgnoreParenImpCasts(); | ||||||||
11000 | llvm::FoldingSetNodeID XId, PossibleXId; | ||||||||
11001 | Checker.getX()->Profile(XId, Context, /*Canonical=*/true); | ||||||||
11002 | PossibleX->Profile(PossibleXId, Context, /*Canonical=*/true); | ||||||||
11003 | IsUpdateExprFound = XId == PossibleXId; | ||||||||
11004 | if (IsUpdateExprFound) { | ||||||||
11005 | V = BinOp->getLHS(); | ||||||||
11006 | X = Checker.getX(); | ||||||||
11007 | E = Checker.getExpr(); | ||||||||
11008 | UE = Checker.getUpdateExpr(); | ||||||||
11009 | IsXLHSInRHSPart = Checker.isXLHSInRHSPart(); | ||||||||
11010 | IsPostfixUpdate = true; | ||||||||
11011 | } | ||||||||
11012 | } | ||||||||
11013 | if (!IsUpdateExprFound) { | ||||||||
11014 | IsUpdateExprFound = !Checker.checkStatement(First); | ||||||||
11015 | BinOp = nullptr; | ||||||||
11016 | if (IsUpdateExprFound) { | ||||||||
11017 | BinOp = dyn_cast<BinaryOperator>(Second); | ||||||||
11018 | IsUpdateExprFound = BinOp && BinOp->getOpcode() == BO_Assign; | ||||||||
11019 | } | ||||||||
11020 | if (IsUpdateExprFound && !CurContext->isDependentContext()) { | ||||||||
11021 | // { x++; v = x; } | ||||||||
11022 | // { x--; v = x; } | ||||||||
11023 | // { ++x; v = x; } | ||||||||
11024 | // { --x; v = x; } | ||||||||
11025 | // { x binop= expr; v = x; } | ||||||||
11026 | // { x = x binop expr; v = x; } | ||||||||
11027 | // { x = expr binop x; v = x; } | ||||||||
11028 | // Check that the second expression has form v = x. | ||||||||
11029 | Expr *PossibleX = BinOp->getRHS()->IgnoreParenImpCasts(); | ||||||||
11030 | llvm::FoldingSetNodeID XId, PossibleXId; | ||||||||
11031 | Checker.getX()->Profile(XId, Context, /*Canonical=*/true); | ||||||||
11032 | PossibleX->Profile(PossibleXId, Context, /*Canonical=*/true); | ||||||||
11033 | IsUpdateExprFound = XId == PossibleXId; | ||||||||
11034 | if (IsUpdateExprFound) { | ||||||||
11035 | V = BinOp->getLHS(); | ||||||||
11036 | X = Checker.getX(); | ||||||||
11037 | E = Checker.getExpr(); | ||||||||
11038 | UE = Checker.getUpdateExpr(); | ||||||||
11039 | IsXLHSInRHSPart = Checker.isXLHSInRHSPart(); | ||||||||
11040 | IsPostfixUpdate = false; | ||||||||
11041 | } | ||||||||
11042 | } | ||||||||
11043 | } | ||||||||
11044 | if (!IsUpdateExprFound) { | ||||||||
11045 | // { v = x; x = expr; } | ||||||||
11046 | auto *FirstExpr = dyn_cast<Expr>(First); | ||||||||
11047 | auto *SecondExpr = dyn_cast<Expr>(Second); | ||||||||
11048 | if (!FirstExpr || !SecondExpr || | ||||||||
11049 | !(FirstExpr->isInstantiationDependent() || | ||||||||
11050 | SecondExpr->isInstantiationDependent())) { | ||||||||
11051 | auto *FirstBinOp = dyn_cast<BinaryOperator>(First); | ||||||||
11052 | if (!FirstBinOp || FirstBinOp->getOpcode() != BO_Assign) { | ||||||||
11053 | ErrorFound = NotAnAssignmentOp; | ||||||||
11054 | NoteLoc = ErrorLoc = FirstBinOp ? FirstBinOp->getOperatorLoc() | ||||||||
11055 | : First->getBeginLoc(); | ||||||||
11056 | NoteRange = ErrorRange = FirstBinOp | ||||||||
11057 | ? FirstBinOp->getSourceRange() | ||||||||
11058 | : SourceRange(ErrorLoc, ErrorLoc); | ||||||||
11059 | } else { | ||||||||
11060 | auto *SecondBinOp = dyn_cast<BinaryOperator>(Second); | ||||||||
11061 | if (!SecondBinOp || SecondBinOp->getOpcode() != BO_Assign) { | ||||||||
11062 | ErrorFound = NotAnAssignmentOp; | ||||||||
11063 | NoteLoc = ErrorLoc = SecondBinOp | ||||||||
11064 | ? SecondBinOp->getOperatorLoc() | ||||||||
11065 | : Second->getBeginLoc(); | ||||||||
11066 | NoteRange = ErrorRange = | ||||||||
11067 | SecondBinOp ? SecondBinOp->getSourceRange() | ||||||||
11068 | : SourceRange(ErrorLoc, ErrorLoc); | ||||||||
11069 | } else { | ||||||||
11070 | Expr *PossibleXRHSInFirst = | ||||||||
11071 | FirstBinOp->getRHS()->IgnoreParenImpCasts(); | ||||||||
11072 | Expr *PossibleXLHSInSecond = | ||||||||
11073 | SecondBinOp->getLHS()->IgnoreParenImpCasts(); | ||||||||
11074 | llvm::FoldingSetNodeID X1Id, X2Id; | ||||||||
11075 | PossibleXRHSInFirst->Profile(X1Id, Context, | ||||||||
11076 | /*Canonical=*/true); | ||||||||
11077 | PossibleXLHSInSecond->Profile(X2Id, Context, | ||||||||
11078 | /*Canonical=*/true); | ||||||||
11079 | IsUpdateExprFound = X1Id == X2Id; | ||||||||
11080 | if (IsUpdateExprFound) { | ||||||||
11081 | V = FirstBinOp->getLHS(); | ||||||||
11082 | X = SecondBinOp->getLHS(); | ||||||||
11083 | E = SecondBinOp->getRHS(); | ||||||||
11084 | UE = nullptr; | ||||||||
11085 | IsXLHSInRHSPart = false; | ||||||||
11086 | IsPostfixUpdate = true; | ||||||||
11087 | } else { | ||||||||
11088 | ErrorFound = NotASpecificExpression; | ||||||||
11089 | ErrorLoc = FirstBinOp->getExprLoc(); | ||||||||
11090 | ErrorRange = FirstBinOp->getSourceRange(); | ||||||||
11091 | NoteLoc = SecondBinOp->getLHS()->getExprLoc(); | ||||||||
11092 | NoteRange = SecondBinOp->getRHS()->getSourceRange(); | ||||||||
11093 | } | ||||||||
11094 | } | ||||||||
11095 | } | ||||||||
11096 | } | ||||||||
11097 | } | ||||||||
11098 | } else { | ||||||||
11099 | NoteLoc = ErrorLoc = Body->getBeginLoc(); | ||||||||
11100 | NoteRange = ErrorRange = | ||||||||
11101 | SourceRange(Body->getBeginLoc(), Body->getBeginLoc()); | ||||||||
11102 | ErrorFound = NotTwoSubstatements; | ||||||||
11103 | } | ||||||||
11104 | } else { | ||||||||
11105 | NoteLoc = ErrorLoc = Body->getBeginLoc(); | ||||||||
11106 | NoteRange = ErrorRange = | ||||||||
11107 | SourceRange(Body->getBeginLoc(), Body->getBeginLoc()); | ||||||||
11108 | ErrorFound = NotACompoundStatement; | ||||||||
11109 | } | ||||||||
11110 | if (ErrorFound != NoError) { | ||||||||
11111 | Diag(ErrorLoc, diag::err_omp_atomic_capture_not_compound_statement) | ||||||||
11112 | << ErrorRange; | ||||||||
11113 | Diag(NoteLoc, diag::note_omp_atomic_capture) << ErrorFound << NoteRange; | ||||||||
11114 | return StmtError(); | ||||||||
11115 | } | ||||||||
11116 | if (CurContext->isDependentContext()) | ||||||||
11117 | UE = V = E = X = nullptr; | ||||||||
11118 | } | ||||||||
11119 | } | ||||||||
11120 | |||||||||
11121 | setFunctionHasBranchProtectedScope(); | ||||||||
11122 | |||||||||
11123 | return OMPAtomicDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, | ||||||||
11124 | X, V, E, UE, IsXLHSInRHSPart, | ||||||||
11125 | IsPostfixUpdate); | ||||||||
11126 | } | ||||||||
11127 | |||||||||
11128 | StmtResult Sema::ActOnOpenMPTargetDirective(ArrayRef<OMPClause *> Clauses, | ||||||||
11129 | Stmt *AStmt, | ||||||||
11130 | SourceLocation StartLoc, | ||||||||
11131 | SourceLocation EndLoc) { | ||||||||
11132 | if (!AStmt) | ||||||||
11133 | return StmtError(); | ||||||||
11134 | |||||||||
11135 | auto *CS = cast<CapturedStmt>(AStmt); | ||||||||
11136 | // 1.2.2 OpenMP Language Terminology | ||||||||
11137 | // Structured block - An executable statement with a single entry at the | ||||||||
11138 | // top and a single exit at the bottom. | ||||||||
11139 | // The point of exit cannot be a branch out of the structured block. | ||||||||
11140 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
11141 | CS->getCapturedDecl()->setNothrow(); | ||||||||
11142 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target); | ||||||||
11143 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||||||
11144 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||||||
11145 | // 1.2.2 OpenMP Language Terminology | ||||||||
11146 | // Structured block - An executable statement with a single entry at the | ||||||||
11147 | // top and a single exit at the bottom. | ||||||||
11148 | // The point of exit cannot be a branch out of the structured block. | ||||||||
11149 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
11150 | CS->getCapturedDecl()->setNothrow(); | ||||||||
11151 | } | ||||||||
11152 | |||||||||
11153 | // OpenMP [2.16, Nesting of Regions] | ||||||||
11154 | // If specified, a teams construct must be contained within a target | ||||||||
11155 | // construct. That target construct must contain no statements or directives | ||||||||
11156 | // outside of the teams construct. | ||||||||
11157 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasInnerTeamsRegion()) { | ||||||||
11158 | const Stmt *S = CS->IgnoreContainers(/*IgnoreCaptured=*/true); | ||||||||
11159 | bool OMPTeamsFound = true; | ||||||||
11160 | if (const auto *CS = dyn_cast<CompoundStmt>(S)) { | ||||||||
11161 | auto I = CS->body_begin(); | ||||||||
11162 | while (I != CS->body_end()) { | ||||||||
11163 | const auto *OED = dyn_cast<OMPExecutableDirective>(*I); | ||||||||
11164 | if (!OED || !isOpenMPTeamsDirective(OED->getDirectiveKind()) || | ||||||||
11165 | OMPTeamsFound) { | ||||||||
11166 | |||||||||
11167 | OMPTeamsFound = false; | ||||||||
11168 | break; | ||||||||
11169 | } | ||||||||
11170 | ++I; | ||||||||
11171 | } | ||||||||
11172 | assert(I != CS->body_end() && "Not found statement")((void)0); | ||||||||
11173 | S = *I; | ||||||||
11174 | } else { | ||||||||
11175 | const auto *OED = dyn_cast<OMPExecutableDirective>(S); | ||||||||
11176 | OMPTeamsFound = OED && isOpenMPTeamsDirective(OED->getDirectiveKind()); | ||||||||
11177 | } | ||||||||
11178 | if (!OMPTeamsFound) { | ||||||||
11179 | Diag(StartLoc, diag::err_omp_target_contains_not_only_teams); | ||||||||
11180 | Diag(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getInnerTeamsRegionLoc(), | ||||||||
11181 | diag::note_omp_nested_teams_construct_here); | ||||||||
11182 | Diag(S->getBeginLoc(), diag::note_omp_nested_statement_here) | ||||||||
11183 | << isa<OMPExecutableDirective>(S); | ||||||||
11184 | return StmtError(); | ||||||||
11185 | } | ||||||||
11186 | } | ||||||||
11187 | |||||||||
11188 | setFunctionHasBranchProtectedScope(); | ||||||||
11189 | |||||||||
11190 | return OMPTargetDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); | ||||||||
11191 | } | ||||||||
11192 | |||||||||
11193 | StmtResult | ||||||||
11194 | Sema::ActOnOpenMPTargetParallelDirective(ArrayRef<OMPClause *> Clauses, | ||||||||
11195 | Stmt *AStmt, SourceLocation StartLoc, | ||||||||
11196 | SourceLocation EndLoc) { | ||||||||
11197 | if (!AStmt) | ||||||||
11198 | return StmtError(); | ||||||||
11199 | |||||||||
11200 | auto *CS = cast<CapturedStmt>(AStmt); | ||||||||
11201 | // 1.2.2 OpenMP Language Terminology | ||||||||
11202 | // Structured block - An executable statement with a single entry at the | ||||||||
11203 | // top and a single exit at the bottom. | ||||||||
11204 | // The point of exit cannot be a branch out of the structured block. | ||||||||
11205 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
11206 | CS->getCapturedDecl()->setNothrow(); | ||||||||
11207 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_parallel); | ||||||||
11208 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||||||
11209 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||||||
11210 | // 1.2.2 OpenMP Language Terminology | ||||||||
11211 | // Structured block - An executable statement with a single entry at the | ||||||||
11212 | // top and a single exit at the bottom. | ||||||||
11213 | // The point of exit cannot be a branch out of the structured block. | ||||||||
11214 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
11215 | CS->getCapturedDecl()->setNothrow(); | ||||||||
11216 | } | ||||||||
11217 | |||||||||
11218 | setFunctionHasBranchProtectedScope(); | ||||||||
11219 | |||||||||
11220 | return OMPTargetParallelDirective::Create( | ||||||||
11221 | Context, StartLoc, EndLoc, Clauses, AStmt, | ||||||||
11222 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||||||
11223 | } | ||||||||
11224 | |||||||||
11225 | StmtResult Sema::ActOnOpenMPTargetParallelForDirective( | ||||||||
11226 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||||||
11227 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||||||
11228 | if (!AStmt) | ||||||||
11229 | return StmtError(); | ||||||||
11230 | |||||||||
11231 | auto *CS = cast<CapturedStmt>(AStmt); | ||||||||
11232 | // 1.2.2 OpenMP Language Terminology | ||||||||
11233 | // Structured block - An executable statement with a single entry at the | ||||||||
11234 | // top and a single exit at the bottom. | ||||||||
11235 | // The point of exit cannot be a branch out of the structured block. | ||||||||
11236 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
11237 | CS->getCapturedDecl()->setNothrow(); | ||||||||
11238 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_parallel_for); | ||||||||
11239 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||||||
11240 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||||||
11241 | // 1.2.2 OpenMP Language Terminology | ||||||||
11242 | // Structured block - An executable statement with a single entry at the | ||||||||
11243 | // top and a single exit at the bottom. | ||||||||
11244 | // The point of exit cannot be a branch out of the structured block. | ||||||||
11245 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
11246 | CS->getCapturedDecl()->setNothrow(); | ||||||||
11247 | } | ||||||||
11248 | |||||||||
11249 | OMPLoopBasedDirective::HelperExprs B; | ||||||||
11250 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | ||||||||
11251 | // define the nested loops number. | ||||||||
11252 | unsigned NestedLoopCount = | ||||||||
11253 | checkOpenMPLoop(OMPD_target_parallel_for, getCollapseNumberExpr(Clauses), | ||||||||
11254 | getOrderedNumberExpr(Clauses), CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||||||
11255 | VarsWithImplicitDSA, B); | ||||||||
11256 | if (NestedLoopCount == 0) | ||||||||
11257 | return StmtError(); | ||||||||
11258 | |||||||||
11259 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | ||||||||
11260 | "omp target parallel for loop exprs were not built")((void)0); | ||||||||
11261 | |||||||||
11262 | if (!CurContext->isDependentContext()) { | ||||||||
11263 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||||||
11264 | for (OMPClause *C : Clauses) { | ||||||||
11265 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||||||
11266 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||||||
11267 | B.NumIterations, *this, CurScope, | ||||||||
11268 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||||||
11269 | return StmtError(); | ||||||||
11270 | } | ||||||||
11271 | } | ||||||||
11272 | |||||||||
11273 | setFunctionHasBranchProtectedScope(); | ||||||||
11274 | return OMPTargetParallelForDirective::Create( | ||||||||
11275 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, | ||||||||
11276 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||||||
11277 | } | ||||||||
11278 | |||||||||
11279 | /// Check for existence of a map clause in the list of clauses. | ||||||||
11280 | static bool hasClauses(ArrayRef<OMPClause *> Clauses, | ||||||||
11281 | const OpenMPClauseKind K) { | ||||||||
11282 | return llvm::any_of( | ||||||||
11283 | Clauses, [K](const OMPClause *C) { return C->getClauseKind() == K; }); | ||||||||
11284 | } | ||||||||
11285 | |||||||||
11286 | template <typename... Params> | ||||||||
11287 | static bool hasClauses(ArrayRef<OMPClause *> Clauses, const OpenMPClauseKind K, | ||||||||
11288 | const Params... ClauseTypes) { | ||||||||
11289 | return hasClauses(Clauses, K) || hasClauses(Clauses, ClauseTypes...); | ||||||||
11290 | } | ||||||||
11291 | |||||||||
11292 | StmtResult Sema::ActOnOpenMPTargetDataDirective(ArrayRef<OMPClause *> Clauses, | ||||||||
11293 | Stmt *AStmt, | ||||||||
11294 | SourceLocation StartLoc, | ||||||||
11295 | SourceLocation EndLoc) { | ||||||||
11296 | if (!AStmt) | ||||||||
11297 | return StmtError(); | ||||||||
11298 | |||||||||
11299 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((void)0); | ||||||||
11300 | |||||||||
11301 | // OpenMP [2.12.2, target data Construct, Restrictions] | ||||||||
11302 | // At least one map, use_device_addr or use_device_ptr clause must appear on | ||||||||
11303 | // the directive. | ||||||||
11304 | if (!hasClauses(Clauses, OMPC_map, OMPC_use_device_ptr) && | ||||||||
11305 | (LangOpts.OpenMP < 50 || !hasClauses(Clauses, OMPC_use_device_addr))) { | ||||||||
11306 | StringRef Expected; | ||||||||
11307 | if (LangOpts.OpenMP < 50) | ||||||||
11308 | Expected = "'map' or 'use_device_ptr'"; | ||||||||
11309 | else | ||||||||
11310 | Expected = "'map', 'use_device_ptr', or 'use_device_addr'"; | ||||||||
11311 | Diag(StartLoc, diag::err_omp_no_clause_for_directive) | ||||||||
11312 | << Expected << getOpenMPDirectiveName(OMPD_target_data); | ||||||||
11313 | return StmtError(); | ||||||||
11314 | } | ||||||||
11315 | |||||||||
11316 | setFunctionHasBranchProtectedScope(); | ||||||||
11317 | |||||||||
11318 | return OMPTargetDataDirective::Create(Context, StartLoc, EndLoc, Clauses, | ||||||||
11319 | AStmt); | ||||||||
11320 | } | ||||||||
11321 | |||||||||
11322 | StmtResult | ||||||||
11323 | Sema::ActOnOpenMPTargetEnterDataDirective(ArrayRef<OMPClause *> Clauses, | ||||||||
11324 | SourceLocation StartLoc, | ||||||||
11325 | SourceLocation EndLoc, Stmt *AStmt) { | ||||||||
11326 | if (!AStmt) | ||||||||
11327 | return StmtError(); | ||||||||
11328 | |||||||||
11329 | auto *CS = cast<CapturedStmt>(AStmt); | ||||||||
11330 | // 1.2.2 OpenMP Language Terminology | ||||||||
11331 | // Structured block - An executable statement with a single entry at the | ||||||||
11332 | // top and a single exit at the bottom. | ||||||||
11333 | // The point of exit cannot be a branch out of the structured block. | ||||||||
11334 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
11335 | CS->getCapturedDecl()->setNothrow(); | ||||||||
11336 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_enter_data); | ||||||||
11337 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||||||
11338 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||||||
11339 | // 1.2.2 OpenMP Language Terminology | ||||||||
11340 | // Structured block - An executable statement with a single entry at the | ||||||||
11341 | // top and a single exit at the bottom. | ||||||||
11342 | // The point of exit cannot be a branch out of the structured block. | ||||||||
11343 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
11344 | CS->getCapturedDecl()->setNothrow(); | ||||||||
11345 | } | ||||||||
11346 | |||||||||
11347 | // OpenMP [2.10.2, Restrictions, p. 99] | ||||||||
11348 | // At least one map clause must appear on the directive. | ||||||||
11349 | if (!hasClauses(Clauses, OMPC_map)) { | ||||||||
11350 | Diag(StartLoc, diag::err_omp_no_clause_for_directive) | ||||||||
11351 | << "'map'" << getOpenMPDirectiveName(OMPD_target_enter_data); | ||||||||
11352 | return StmtError(); | ||||||||
11353 | } | ||||||||
11354 | |||||||||
11355 | return OMPTargetEnterDataDirective::Create(Context, StartLoc, EndLoc, Clauses, | ||||||||
11356 | AStmt); | ||||||||
11357 | } | ||||||||
11358 | |||||||||
11359 | StmtResult | ||||||||
11360 | Sema::ActOnOpenMPTargetExitDataDirective(ArrayRef<OMPClause *> Clauses, | ||||||||
11361 | SourceLocation StartLoc, | ||||||||
11362 | SourceLocation EndLoc, Stmt *AStmt) { | ||||||||
11363 | if (!AStmt) | ||||||||
11364 | return StmtError(); | ||||||||
11365 | |||||||||
11366 | auto *CS = cast<CapturedStmt>(AStmt); | ||||||||
11367 | // 1.2.2 OpenMP Language Terminology | ||||||||
11368 | // Structured block - An executable statement with a single entry at the | ||||||||
11369 | // top and a single exit at the bottom. | ||||||||
11370 | // The point of exit cannot be a branch out of the structured block. | ||||||||
11371 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
11372 | CS->getCapturedDecl()->setNothrow(); | ||||||||
11373 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_exit_data); | ||||||||
11374 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||||||
11375 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||||||
11376 | // 1.2.2 OpenMP Language Terminology | ||||||||
11377 | // Structured block - An executable statement with a single entry at the | ||||||||
11378 | // top and a single exit at the bottom. | ||||||||
11379 | // The point of exit cannot be a branch out of the structured block. | ||||||||
11380 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
11381 | CS->getCapturedDecl()->setNothrow(); | ||||||||
11382 | } | ||||||||
11383 | |||||||||
11384 | // OpenMP [2.10.3, Restrictions, p. 102] | ||||||||
11385 | // At least one map clause must appear on the directive. | ||||||||
11386 | if (!hasClauses(Clauses, OMPC_map)) { | ||||||||
11387 | Diag(StartLoc, diag::err_omp_no_clause_for_directive) | ||||||||
11388 | << "'map'" << getOpenMPDirectiveName(OMPD_target_exit_data); | ||||||||
11389 | return StmtError(); | ||||||||
11390 | } | ||||||||
11391 | |||||||||
11392 | return OMPTargetExitDataDirective::Create(Context, StartLoc, EndLoc, Clauses, | ||||||||
11393 | AStmt); | ||||||||
11394 | } | ||||||||
11395 | |||||||||
11396 | StmtResult Sema::ActOnOpenMPTargetUpdateDirective(ArrayRef<OMPClause *> Clauses, | ||||||||
11397 | SourceLocation StartLoc, | ||||||||
11398 | SourceLocation EndLoc, | ||||||||
11399 | Stmt *AStmt) { | ||||||||
11400 | if (!AStmt) | ||||||||
11401 | return StmtError(); | ||||||||
11402 | |||||||||
11403 | auto *CS = cast<CapturedStmt>(AStmt); | ||||||||
11404 | // 1.2.2 OpenMP Language Terminology | ||||||||
11405 | // Structured block - An executable statement with a single entry at the | ||||||||
11406 | // top and a single exit at the bottom. | ||||||||
11407 | // The point of exit cannot be a branch out of the structured block. | ||||||||
11408 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
11409 | CS->getCapturedDecl()->setNothrow(); | ||||||||
11410 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_update); | ||||||||
11411 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||||||
11412 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||||||
11413 | // 1.2.2 OpenMP Language Terminology | ||||||||
11414 | // Structured block - An executable statement with a single entry at the | ||||||||
11415 | // top and a single exit at the bottom. | ||||||||
11416 | // The point of exit cannot be a branch out of the structured block. | ||||||||
11417 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
11418 | CS->getCapturedDecl()->setNothrow(); | ||||||||
11419 | } | ||||||||
11420 | |||||||||
11421 | if (!hasClauses(Clauses, OMPC_to, OMPC_from)) { | ||||||||
11422 | Diag(StartLoc, diag::err_omp_at_least_one_motion_clause_required); | ||||||||
11423 | return StmtError(); | ||||||||
11424 | } | ||||||||
11425 | return OMPTargetUpdateDirective::Create(Context, StartLoc, EndLoc, Clauses, | ||||||||
11426 | AStmt); | ||||||||
11427 | } | ||||||||
11428 | |||||||||
11429 | StmtResult Sema::ActOnOpenMPTeamsDirective(ArrayRef<OMPClause *> Clauses, | ||||||||
11430 | Stmt *AStmt, SourceLocation StartLoc, | ||||||||
11431 | SourceLocation EndLoc) { | ||||||||
11432 | if (!AStmt) | ||||||||
11433 | return StmtError(); | ||||||||
11434 | |||||||||
11435 | auto *CS = cast<CapturedStmt>(AStmt); | ||||||||
11436 | // 1.2.2 OpenMP Language Terminology | ||||||||
11437 | // Structured block - An executable statement with a single entry at the | ||||||||
11438 | // top and a single exit at the bottom. | ||||||||
11439 | // The point of exit cannot be a branch out of the structured block. | ||||||||
11440 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
11441 | CS->getCapturedDecl()->setNothrow(); | ||||||||
11442 | |||||||||
11443 | setFunctionHasBranchProtectedScope(); | ||||||||
11444 | |||||||||
11445 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); | ||||||||
11446 | |||||||||
11447 | return OMPTeamsDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); | ||||||||
11448 | } | ||||||||
11449 | |||||||||
11450 | StmtResult | ||||||||
11451 | Sema::ActOnOpenMPCancellationPointDirective(SourceLocation StartLoc, | ||||||||
11452 | SourceLocation EndLoc, | ||||||||
11453 | OpenMPDirectiveKind CancelRegion) { | ||||||||
11454 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentNowaitRegion()) { | ||||||||
11455 | Diag(StartLoc, diag::err_omp_parent_cancel_region_nowait) << 0; | ||||||||
11456 | return StmtError(); | ||||||||
11457 | } | ||||||||
11458 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentOrderedRegion()) { | ||||||||
11459 | Diag(StartLoc, diag::err_omp_parent_cancel_region_ordered) << 0; | ||||||||
11460 | return StmtError(); | ||||||||
11461 | } | ||||||||
11462 | return OMPCancellationPointDirective::Create(Context, StartLoc, EndLoc, | ||||||||
11463 | CancelRegion); | ||||||||
11464 | } | ||||||||
11465 | |||||||||
11466 | StmtResult Sema::ActOnOpenMPCancelDirective(ArrayRef<OMPClause *> Clauses, | ||||||||
11467 | SourceLocation StartLoc, | ||||||||
11468 | SourceLocation EndLoc, | ||||||||
11469 | OpenMPDirectiveKind CancelRegion) { | ||||||||
11470 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentNowaitRegion()) { | ||||||||
11471 | Diag(StartLoc, diag::err_omp_parent_cancel_region_nowait) << 1; | ||||||||
11472 | return StmtError(); | ||||||||
11473 | } | ||||||||
11474 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentOrderedRegion()) { | ||||||||
11475 | Diag(StartLoc, diag::err_omp_parent_cancel_region_ordered) << 1; | ||||||||
11476 | return StmtError(); | ||||||||
11477 | } | ||||||||
11478 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentCancelRegion(/*Cancel=*/true); | ||||||||
11479 | return OMPCancelDirective::Create(Context, StartLoc, EndLoc, Clauses, | ||||||||
11480 | CancelRegion); | ||||||||
11481 | } | ||||||||
11482 | |||||||||
11483 | static bool checkReductionClauseWithNogroup(Sema &S, | ||||||||
11484 | ArrayRef<OMPClause *> Clauses) { | ||||||||
11485 | const OMPClause *ReductionClause = nullptr; | ||||||||
11486 | const OMPClause *NogroupClause = nullptr; | ||||||||
11487 | for (const OMPClause *C : Clauses) { | ||||||||
11488 | if (C->getClauseKind() == OMPC_reduction) { | ||||||||
11489 | ReductionClause = C; | ||||||||
11490 | if (NogroupClause) | ||||||||
11491 | break; | ||||||||
11492 | continue; | ||||||||
11493 | } | ||||||||
11494 | if (C->getClauseKind() == OMPC_nogroup) { | ||||||||
11495 | NogroupClause = C; | ||||||||
11496 | if (ReductionClause) | ||||||||
11497 | break; | ||||||||
11498 | continue; | ||||||||
11499 | } | ||||||||
11500 | } | ||||||||
11501 | if (ReductionClause && NogroupClause) { | ||||||||
11502 | S.Diag(ReductionClause->getBeginLoc(), diag::err_omp_reduction_with_nogroup) | ||||||||
11503 | << SourceRange(NogroupClause->getBeginLoc(), | ||||||||
11504 | NogroupClause->getEndLoc()); | ||||||||
11505 | return true; | ||||||||
11506 | } | ||||||||
11507 | return false; | ||||||||
11508 | } | ||||||||
11509 | |||||||||
11510 | StmtResult Sema::ActOnOpenMPTaskLoopDirective( | ||||||||
11511 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||||||
11512 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||||||
11513 | if (!AStmt) | ||||||||
11514 | return StmtError(); | ||||||||
11515 | |||||||||
11516 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((void)0); | ||||||||
11517 | OMPLoopBasedDirective::HelperExprs B; | ||||||||
11518 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | ||||||||
11519 | // define the nested loops number. | ||||||||
11520 | unsigned NestedLoopCount = | ||||||||
11521 | checkOpenMPLoop(OMPD_taskloop, getCollapseNumberExpr(Clauses), | ||||||||
11522 | /*OrderedLoopCountExpr=*/nullptr, AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||||||
11523 | VarsWithImplicitDSA, B); | ||||||||
11524 | if (NestedLoopCount == 0) | ||||||||
11525 | return StmtError(); | ||||||||
11526 | |||||||||
11527 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | ||||||||
11528 | "omp for loop exprs were not built")((void)0); | ||||||||
11529 | |||||||||
11530 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | ||||||||
11531 | // The grainsize clause and num_tasks clause are mutually exclusive and may | ||||||||
11532 | // not appear on the same taskloop directive. | ||||||||
11533 | if (checkMutuallyExclusiveClauses(*this, Clauses, | ||||||||
11534 | {OMPC_grainsize, OMPC_num_tasks})) | ||||||||
11535 | return StmtError(); | ||||||||
11536 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | ||||||||
11537 | // If a reduction clause is present on the taskloop directive, the nogroup | ||||||||
11538 | // clause must not be specified. | ||||||||
11539 | if (checkReductionClauseWithNogroup(*this, Clauses)) | ||||||||
11540 | return StmtError(); | ||||||||
11541 | |||||||||
11542 | setFunctionHasBranchProtectedScope(); | ||||||||
11543 | return OMPTaskLoopDirective::Create(Context, StartLoc, EndLoc, | ||||||||
11544 | NestedLoopCount, Clauses, AStmt, B, | ||||||||
11545 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||||||
11546 | } | ||||||||
11547 | |||||||||
11548 | StmtResult Sema::ActOnOpenMPTaskLoopSimdDirective( | ||||||||
11549 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||||||
11550 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||||||
11551 | if (!AStmt) | ||||||||
11552 | return StmtError(); | ||||||||
11553 | |||||||||
11554 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((void)0); | ||||||||
11555 | OMPLoopBasedDirective::HelperExprs B; | ||||||||
11556 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | ||||||||
11557 | // define the nested loops number. | ||||||||
11558 | unsigned NestedLoopCount = | ||||||||
11559 | checkOpenMPLoop(OMPD_taskloop_simd, getCollapseNumberExpr(Clauses), | ||||||||
11560 | /*OrderedLoopCountExpr=*/nullptr, AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||||||
11561 | VarsWithImplicitDSA, B); | ||||||||
11562 | if (NestedLoopCount == 0) | ||||||||
11563 | return StmtError(); | ||||||||
11564 | |||||||||
11565 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | ||||||||
11566 | "omp for loop exprs were not built")((void)0); | ||||||||
11567 | |||||||||
11568 | if (!CurContext->isDependentContext()) { | ||||||||
11569 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||||||
11570 | for (OMPClause *C : Clauses) { | ||||||||
11571 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||||||
11572 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||||||
11573 | B.NumIterations, *this, CurScope, | ||||||||
11574 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||||||
11575 | return StmtError(); | ||||||||
11576 | } | ||||||||
11577 | } | ||||||||
11578 | |||||||||
11579 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | ||||||||
11580 | // The grainsize clause and num_tasks clause are mutually exclusive and may | ||||||||
11581 | // not appear on the same taskloop directive. | ||||||||
11582 | if (checkMutuallyExclusiveClauses(*this, Clauses, | ||||||||
11583 | {OMPC_grainsize, OMPC_num_tasks})) | ||||||||
11584 | return StmtError(); | ||||||||
11585 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | ||||||||
11586 | // If a reduction clause is present on the taskloop directive, the nogroup | ||||||||
11587 | // clause must not be specified. | ||||||||
11588 | if (checkReductionClauseWithNogroup(*this, Clauses)) | ||||||||
11589 | return StmtError(); | ||||||||
11590 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | ||||||||
11591 | return StmtError(); | ||||||||
11592 | |||||||||
11593 | setFunctionHasBranchProtectedScope(); | ||||||||
11594 | return OMPTaskLoopSimdDirective::Create(Context, StartLoc, EndLoc, | ||||||||
11595 | NestedLoopCount, Clauses, AStmt, B); | ||||||||
11596 | } | ||||||||
11597 | |||||||||
11598 | StmtResult Sema::ActOnOpenMPMasterTaskLoopDirective( | ||||||||
11599 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||||||
11600 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||||||
11601 | if (!AStmt) | ||||||||
11602 | return StmtError(); | ||||||||
11603 | |||||||||
11604 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((void)0); | ||||||||
11605 | OMPLoopBasedDirective::HelperExprs B; | ||||||||
11606 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | ||||||||
11607 | // define the nested loops number. | ||||||||
11608 | unsigned NestedLoopCount = | ||||||||
11609 | checkOpenMPLoop(OMPD_master_taskloop, getCollapseNumberExpr(Clauses), | ||||||||
11610 | /*OrderedLoopCountExpr=*/nullptr, AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||||||
11611 | VarsWithImplicitDSA, B); | ||||||||
11612 | if (NestedLoopCount == 0) | ||||||||
11613 | return StmtError(); | ||||||||
11614 | |||||||||
11615 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | ||||||||
11616 | "omp for loop exprs were not built")((void)0); | ||||||||
11617 | |||||||||
11618 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | ||||||||
11619 | // The grainsize clause and num_tasks clause are mutually exclusive and may | ||||||||
11620 | // not appear on the same taskloop directive. | ||||||||
11621 | if (checkMutuallyExclusiveClauses(*this, Clauses, | ||||||||
11622 | {OMPC_grainsize, OMPC_num_tasks})) | ||||||||
11623 | return StmtError(); | ||||||||
11624 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | ||||||||
11625 | // If a reduction clause is present on the taskloop directive, the nogroup | ||||||||
11626 | // clause must not be specified. | ||||||||
11627 | if (checkReductionClauseWithNogroup(*this, Clauses)) | ||||||||
11628 | return StmtError(); | ||||||||
11629 | |||||||||
11630 | setFunctionHasBranchProtectedScope(); | ||||||||
11631 | return OMPMasterTaskLoopDirective::Create(Context, StartLoc, EndLoc, | ||||||||
11632 | NestedLoopCount, Clauses, AStmt, B, | ||||||||
11633 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||||||
11634 | } | ||||||||
11635 | |||||||||
11636 | StmtResult Sema::ActOnOpenMPMasterTaskLoopSimdDirective( | ||||||||
11637 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||||||
11638 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||||||
11639 | if (!AStmt) | ||||||||
11640 | return StmtError(); | ||||||||
11641 | |||||||||
11642 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((void)0); | ||||||||
11643 | OMPLoopBasedDirective::HelperExprs B; | ||||||||
11644 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | ||||||||
11645 | // define the nested loops number. | ||||||||
11646 | unsigned NestedLoopCount = | ||||||||
11647 | checkOpenMPLoop(OMPD_master_taskloop_simd, getCollapseNumberExpr(Clauses), | ||||||||
11648 | /*OrderedLoopCountExpr=*/nullptr, AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||||||
11649 | VarsWithImplicitDSA, B); | ||||||||
11650 | if (NestedLoopCount == 0) | ||||||||
11651 | return StmtError(); | ||||||||
11652 | |||||||||
11653 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | ||||||||
11654 | "omp for loop exprs were not built")((void)0); | ||||||||
11655 | |||||||||
11656 | if (!CurContext->isDependentContext()) { | ||||||||
11657 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||||||
11658 | for (OMPClause *C : Clauses) { | ||||||||
11659 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||||||
11660 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||||||
11661 | B.NumIterations, *this, CurScope, | ||||||||
11662 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||||||
11663 | return StmtError(); | ||||||||
11664 | } | ||||||||
11665 | } | ||||||||
11666 | |||||||||
11667 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | ||||||||
11668 | // The grainsize clause and num_tasks clause are mutually exclusive and may | ||||||||
11669 | // not appear on the same taskloop directive. | ||||||||
11670 | if (checkMutuallyExclusiveClauses(*this, Clauses, | ||||||||
11671 | {OMPC_grainsize, OMPC_num_tasks})) | ||||||||
11672 | return StmtError(); | ||||||||
11673 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | ||||||||
11674 | // If a reduction clause is present on the taskloop directive, the nogroup | ||||||||
11675 | // clause must not be specified. | ||||||||
11676 | if (checkReductionClauseWithNogroup(*this, Clauses)) | ||||||||
11677 | return StmtError(); | ||||||||
11678 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | ||||||||
11679 | return StmtError(); | ||||||||
11680 | |||||||||
11681 | setFunctionHasBranchProtectedScope(); | ||||||||
11682 | return OMPMasterTaskLoopSimdDirective::Create( | ||||||||
11683 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | ||||||||
11684 | } | ||||||||
11685 | |||||||||
11686 | StmtResult Sema::ActOnOpenMPParallelMasterTaskLoopDirective( | ||||||||
11687 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||||||
11688 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||||||
11689 | if (!AStmt) | ||||||||
11690 | return StmtError(); | ||||||||
11691 | |||||||||
11692 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((void)0); | ||||||||
11693 | auto *CS = cast<CapturedStmt>(AStmt); | ||||||||
11694 | // 1.2.2 OpenMP Language Terminology | ||||||||
11695 | // Structured block - An executable statement with a single entry at the | ||||||||
11696 | // top and a single exit at the bottom. | ||||||||
11697 | // The point of exit cannot be a branch out of the structured block. | ||||||||
11698 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
11699 | CS->getCapturedDecl()->setNothrow(); | ||||||||
11700 | for (int ThisCaptureLevel = | ||||||||
11701 | getOpenMPCaptureLevels(OMPD_parallel_master_taskloop); | ||||||||
11702 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||||||
11703 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||||||
11704 | // 1.2.2 OpenMP Language Terminology | ||||||||
11705 | // Structured block - An executable statement with a single entry at the | ||||||||
11706 | // top and a single exit at the bottom. | ||||||||
11707 | // The point of exit cannot be a branch out of the structured block. | ||||||||
11708 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
11709 | CS->getCapturedDecl()->setNothrow(); | ||||||||
11710 | } | ||||||||
11711 | |||||||||
11712 | OMPLoopBasedDirective::HelperExprs B; | ||||||||
11713 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | ||||||||
11714 | // define the nested loops number. | ||||||||
11715 | unsigned NestedLoopCount = checkOpenMPLoop( | ||||||||
11716 | OMPD_parallel_master_taskloop, getCollapseNumberExpr(Clauses), | ||||||||
11717 | /*OrderedLoopCountExpr=*/nullptr, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||||||
11718 | VarsWithImplicitDSA, B); | ||||||||
11719 | if (NestedLoopCount == 0) | ||||||||
11720 | return StmtError(); | ||||||||
11721 | |||||||||
11722 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | ||||||||
11723 | "omp for loop exprs were not built")((void)0); | ||||||||
11724 | |||||||||
11725 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | ||||||||
11726 | // The grainsize clause and num_tasks clause are mutually exclusive and may | ||||||||
11727 | // not appear on the same taskloop directive. | ||||||||
11728 | if (checkMutuallyExclusiveClauses(*this, Clauses, | ||||||||
11729 | {OMPC_grainsize, OMPC_num_tasks})) | ||||||||
11730 | return StmtError(); | ||||||||
11731 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | ||||||||
11732 | // If a reduction clause is present on the taskloop directive, the nogroup | ||||||||
11733 | // clause must not be specified. | ||||||||
11734 | if (checkReductionClauseWithNogroup(*this, Clauses)) | ||||||||
11735 | return StmtError(); | ||||||||
11736 | |||||||||
11737 | setFunctionHasBranchProtectedScope(); | ||||||||
11738 | return OMPParallelMasterTaskLoopDirective::Create( | ||||||||
11739 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, | ||||||||
11740 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||||||
11741 | } | ||||||||
11742 | |||||||||
11743 | StmtResult Sema::ActOnOpenMPParallelMasterTaskLoopSimdDirective( | ||||||||
11744 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||||||
11745 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||||||
11746 | if (!AStmt) | ||||||||
11747 | return StmtError(); | ||||||||
11748 | |||||||||
11749 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((void)0); | ||||||||
11750 | auto *CS = cast<CapturedStmt>(AStmt); | ||||||||
11751 | // 1.2.2 OpenMP Language Terminology | ||||||||
11752 | // Structured block - An executable statement with a single entry at the | ||||||||
11753 | // top and a single exit at the bottom. | ||||||||
11754 | // The point of exit cannot be a branch out of the structured block. | ||||||||
11755 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
11756 | CS->getCapturedDecl()->setNothrow(); | ||||||||
11757 | for (int ThisCaptureLevel = | ||||||||
11758 | getOpenMPCaptureLevels(OMPD_parallel_master_taskloop_simd); | ||||||||
11759 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||||||
11760 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||||||
11761 | // 1.2.2 OpenMP Language Terminology | ||||||||
11762 | // Structured block - An executable statement with a single entry at the | ||||||||
11763 | // top and a single exit at the bottom. | ||||||||
11764 | // The point of exit cannot be a branch out of the structured block. | ||||||||
11765 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
11766 | CS->getCapturedDecl()->setNothrow(); | ||||||||
11767 | } | ||||||||
11768 | |||||||||
11769 | OMPLoopBasedDirective::HelperExprs B; | ||||||||
11770 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | ||||||||
11771 | // define the nested loops number. | ||||||||
11772 | unsigned NestedLoopCount = checkOpenMPLoop( | ||||||||
11773 | OMPD_parallel_master_taskloop_simd, getCollapseNumberExpr(Clauses), | ||||||||
11774 | /*OrderedLoopCountExpr=*/nullptr, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||||||
11775 | VarsWithImplicitDSA, B); | ||||||||
11776 | if (NestedLoopCount == 0) | ||||||||
11777 | return StmtError(); | ||||||||
11778 | |||||||||
11779 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | ||||||||
11780 | "omp for loop exprs were not built")((void)0); | ||||||||
11781 | |||||||||
11782 | if (!CurContext->isDependentContext()) { | ||||||||
11783 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||||||
11784 | for (OMPClause *C : Clauses) { | ||||||||
11785 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||||||
11786 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||||||
11787 | B.NumIterations, *this, CurScope, | ||||||||
11788 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||||||
11789 | return StmtError(); | ||||||||
11790 | } | ||||||||
11791 | } | ||||||||
11792 | |||||||||
11793 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | ||||||||
11794 | // The grainsize clause and num_tasks clause are mutually exclusive and may | ||||||||
11795 | // not appear on the same taskloop directive. | ||||||||
11796 | if (checkMutuallyExclusiveClauses(*this, Clauses, | ||||||||
11797 | {OMPC_grainsize, OMPC_num_tasks})) | ||||||||
11798 | return StmtError(); | ||||||||
11799 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | ||||||||
11800 | // If a reduction clause is present on the taskloop directive, the nogroup | ||||||||
11801 | // clause must not be specified. | ||||||||
11802 | if (checkReductionClauseWithNogroup(*this, Clauses)) | ||||||||
11803 | return StmtError(); | ||||||||
11804 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | ||||||||
11805 | return StmtError(); | ||||||||
11806 | |||||||||
11807 | setFunctionHasBranchProtectedScope(); | ||||||||
11808 | return OMPParallelMasterTaskLoopSimdDirective::Create( | ||||||||
11809 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | ||||||||
11810 | } | ||||||||
11811 | |||||||||
11812 | StmtResult Sema::ActOnOpenMPDistributeDirective( | ||||||||
11813 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||||||
11814 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||||||
11815 | if (!AStmt) | ||||||||
11816 | return StmtError(); | ||||||||
11817 | |||||||||
11818 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")((void)0); | ||||||||
11819 | OMPLoopBasedDirective::HelperExprs B; | ||||||||
11820 | // In presence of clause 'collapse' with number of loops, it will | ||||||||
11821 | // define the nested loops number. | ||||||||
11822 | unsigned NestedLoopCount = | ||||||||
11823 | checkOpenMPLoop(OMPD_distribute, getCollapseNumberExpr(Clauses), | ||||||||
11824 | nullptr /*ordered not a clause on distribute*/, AStmt, | ||||||||
11825 | *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); | ||||||||
11826 | if (NestedLoopCount == 0) | ||||||||
11827 | return StmtError(); | ||||||||
11828 | |||||||||
11829 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | ||||||||
11830 | "omp for loop exprs were not built")((void)0); | ||||||||
11831 | |||||||||
11832 | setFunctionHasBranchProtectedScope(); | ||||||||
11833 | return OMPDistributeDirective::Create(Context, StartLoc, EndLoc, | ||||||||
11834 | NestedLoopCount, Clauses, AStmt, B); | ||||||||
11835 | } | ||||||||
11836 | |||||||||
11837 | StmtResult Sema::ActOnOpenMPDistributeParallelForDirective( | ||||||||
11838 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||||||
11839 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||||||
11840 | if (!AStmt) | ||||||||
11841 | return StmtError(); | ||||||||
11842 | |||||||||
11843 | auto *CS = cast<CapturedStmt>(AStmt); | ||||||||
11844 | // 1.2.2 OpenMP Language Terminology | ||||||||
11845 | // Structured block - An executable statement with a single entry at the | ||||||||
11846 | // top and a single exit at the bottom. | ||||||||
11847 | // The point of exit cannot be a branch out of the structured block. | ||||||||
11848 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
11849 | CS->getCapturedDecl()->setNothrow(); | ||||||||
11850 | for (int ThisCaptureLevel = | ||||||||
11851 | getOpenMPCaptureLevels(OMPD_distribute_parallel_for); | ||||||||
11852 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||||||
11853 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||||||
11854 | // 1.2.2 OpenMP Language Terminology | ||||||||
11855 | // Structured block - An executable statement with a single entry at the | ||||||||
11856 | // top and a single exit at the bottom. | ||||||||
11857 | // The point of exit cannot be a branch out of the structured block. | ||||||||
11858 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
11859 | CS->getCapturedDecl()->setNothrow(); | ||||||||
11860 | } | ||||||||
11861 | |||||||||
11862 | OMPLoopBasedDirective::HelperExprs B; | ||||||||
11863 | // In presence of clause 'collapse' with number of loops, it will | ||||||||
11864 | // define the nested loops number. | ||||||||
11865 | unsigned NestedLoopCount = checkOpenMPLoop( | ||||||||
11866 | OMPD_distribute_parallel_for, getCollapseNumberExpr(Clauses), | ||||||||
11867 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||||||
11868 | VarsWithImplicitDSA, B); | ||||||||
11869 | if (NestedLoopCount == 0) | ||||||||
11870 | return StmtError(); | ||||||||
11871 | |||||||||
11872 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | ||||||||
11873 | "omp for loop exprs were not built")((void)0); | ||||||||
11874 | |||||||||
11875 | setFunctionHasBranchProtectedScope(); | ||||||||
11876 | return OMPDistributeParallelForDirective::Create( | ||||||||
11877 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, | ||||||||
11878 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||||||
11879 | } | ||||||||
11880 | |||||||||
11881 | StmtResult Sema::ActOnOpenMPDistributeParallelForSimdDirective( | ||||||||
11882 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||||||
11883 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||||||
11884 | if (!AStmt) | ||||||||
11885 | return StmtError(); | ||||||||
11886 | |||||||||
11887 | auto *CS = cast<CapturedStmt>(AStmt); | ||||||||
11888 | // 1.2.2 OpenMP Language Terminology | ||||||||
11889 | // Structured block - An executable statement with a single entry at the | ||||||||
11890 | // top and a single exit at the bottom. | ||||||||
11891 | // The point of exit cannot be a branch out of the structured block. | ||||||||
11892 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
11893 | CS->getCapturedDecl()->setNothrow(); | ||||||||
11894 | for (int ThisCaptureLevel = | ||||||||
11895 | getOpenMPCaptureLevels(OMPD_distribute_parallel_for_simd); | ||||||||
11896 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||||||
11897 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||||||
11898 | // 1.2.2 OpenMP Language Terminology | ||||||||
11899 | // Structured block - An executable statement with a single entry at the | ||||||||
11900 | // top and a single exit at the bottom. | ||||||||
11901 | // The point of exit cannot be a branch out of the structured block. | ||||||||
11902 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
11903 | CS->getCapturedDecl()->setNothrow(); | ||||||||
11904 | } | ||||||||
11905 | |||||||||
11906 | OMPLoopBasedDirective::HelperExprs B; | ||||||||
11907 | // In presence of clause 'collapse' with number of loops, it will | ||||||||
11908 | // define the nested loops number. | ||||||||
11909 | unsigned NestedLoopCount = checkOpenMPLoop( | ||||||||
11910 | OMPD_distribute_parallel_for_simd, getCollapseNumberExpr(Clauses), | ||||||||
11911 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||||||
11912 | VarsWithImplicitDSA, B); | ||||||||
11913 | if (NestedLoopCount == 0) | ||||||||
11914 | return StmtError(); | ||||||||
11915 | |||||||||
11916 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | ||||||||
11917 | "omp for loop exprs were not built")((void)0); | ||||||||
11918 | |||||||||
11919 | if (!CurContext->isDependentContext()) { | ||||||||
11920 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||||||
11921 | for (OMPClause *C : Clauses) { | ||||||||
11922 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||||||
11923 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||||||
11924 | B.NumIterations, *this, CurScope, | ||||||||
11925 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||||||
11926 | return StmtError(); | ||||||||
11927 | } | ||||||||
11928 | } | ||||||||
11929 | |||||||||
11930 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | ||||||||
11931 | return StmtError(); | ||||||||
11932 | |||||||||
11933 | setFunctionHasBranchProtectedScope(); | ||||||||
11934 | return OMPDistributeParallelForSimdDirective::Create( | ||||||||
11935 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | ||||||||
11936 | } | ||||||||
11937 | |||||||||
11938 | StmtResult Sema::ActOnOpenMPDistributeSimdDirective( | ||||||||
11939 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||||||
11940 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||||||
11941 | if (!AStmt) | ||||||||
11942 | return StmtError(); | ||||||||
11943 | |||||||||
11944 | auto *CS = cast<CapturedStmt>(AStmt); | ||||||||
11945 | // 1.2.2 OpenMP Language Terminology | ||||||||
11946 | // Structured block - An executable statement with a single entry at the | ||||||||
11947 | // top and a single exit at the bottom. | ||||||||
11948 | // The point of exit cannot be a branch out of the structured block. | ||||||||
11949 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
11950 | CS->getCapturedDecl()->setNothrow(); | ||||||||
11951 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_distribute_simd); | ||||||||
11952 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||||||
11953 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||||||
11954 | // 1.2.2 OpenMP Language Terminology | ||||||||
11955 | // Structured block - An executable statement with a single entry at the | ||||||||
11956 | // top and a single exit at the bottom. | ||||||||
11957 | // The point of exit cannot be a branch out of the structured block. | ||||||||
11958 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
11959 | CS->getCapturedDecl()->setNothrow(); | ||||||||
11960 | } | ||||||||
11961 | |||||||||
11962 | OMPLoopBasedDirective::HelperExprs B; | ||||||||
11963 | // In presence of clause 'collapse' with number of loops, it will | ||||||||
11964 | // define the nested loops number. | ||||||||
11965 | unsigned NestedLoopCount = | ||||||||
11966 | checkOpenMPLoop(OMPD_distribute_simd, getCollapseNumberExpr(Clauses), | ||||||||
11967 | nullptr /*ordered not a clause on distribute*/, CS, *this, | ||||||||
11968 | *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); | ||||||||
11969 | if (NestedLoopCount == 0) | ||||||||
11970 | return StmtError(); | ||||||||
11971 | |||||||||
11972 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | ||||||||
11973 | "omp for loop exprs were not built")((void)0); | ||||||||
11974 | |||||||||
11975 | if (!CurContext->isDependentContext()) { | ||||||||
11976 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||||||
11977 | for (OMPClause *C : Clauses) { | ||||||||
11978 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||||||
11979 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||||||
11980 | B.NumIterations, *this, CurScope, | ||||||||
11981 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||||||
11982 | return StmtError(); | ||||||||
11983 | } | ||||||||
11984 | } | ||||||||
11985 | |||||||||
11986 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | ||||||||
11987 | return StmtError(); | ||||||||
11988 | |||||||||
11989 | setFunctionHasBranchProtectedScope(); | ||||||||
11990 | return OMPDistributeSimdDirective::Create(Context, StartLoc, EndLoc, | ||||||||
11991 | NestedLoopCount, Clauses, AStmt, B); | ||||||||
11992 | } | ||||||||
11993 | |||||||||
11994 | StmtResult Sema::ActOnOpenMPTargetParallelForSimdDirective( | ||||||||
11995 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||||||
11996 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||||||
11997 | if (!AStmt) | ||||||||
11998 | return StmtError(); | ||||||||
11999 | |||||||||
12000 | auto *CS = cast<CapturedStmt>(AStmt); | ||||||||
12001 | // 1.2.2 OpenMP Language Terminology | ||||||||
12002 | // Structured block - An executable statement with a single entry at the | ||||||||
12003 | // top and a single exit at the bottom. | ||||||||
12004 | // The point of exit cannot be a branch out of the structured block. | ||||||||
12005 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
12006 | CS->getCapturedDecl()->setNothrow(); | ||||||||
12007 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_parallel_for); | ||||||||
12008 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||||||
12009 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||||||
12010 | // 1.2.2 OpenMP Language Terminology | ||||||||
12011 | // Structured block - An executable statement with a single entry at the | ||||||||
12012 | // top and a single exit at the bottom. | ||||||||
12013 | // The point of exit cannot be a branch out of the structured block. | ||||||||
12014 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
12015 | CS->getCapturedDecl()->setNothrow(); | ||||||||
12016 | } | ||||||||
12017 | |||||||||
12018 | OMPLoopBasedDirective::HelperExprs B; | ||||||||
12019 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | ||||||||
12020 | // define the nested loops number. | ||||||||
12021 | unsigned NestedLoopCount = checkOpenMPLoop( | ||||||||
12022 | OMPD_target_parallel_for_simd, getCollapseNumberExpr(Clauses), | ||||||||
12023 | getOrderedNumberExpr(Clauses), CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||||||
12024 | VarsWithImplicitDSA, B); | ||||||||
12025 | if (NestedLoopCount == 0) | ||||||||
12026 | return StmtError(); | ||||||||
12027 | |||||||||
12028 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | ||||||||
12029 | "omp target parallel for simd loop exprs were not built")((void)0); | ||||||||
12030 | |||||||||
12031 | if (!CurContext->isDependentContext()) { | ||||||||
12032 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||||||
12033 | for (OMPClause *C : Clauses) { | ||||||||
12034 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||||||
12035 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||||||
12036 | B.NumIterations, *this, CurScope, | ||||||||
12037 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||||||
12038 | return StmtError(); | ||||||||
12039 | } | ||||||||
12040 | } | ||||||||
12041 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | ||||||||
12042 | return StmtError(); | ||||||||
12043 | |||||||||
12044 | setFunctionHasBranchProtectedScope(); | ||||||||
12045 | return OMPTargetParallelForSimdDirective::Create( | ||||||||
12046 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | ||||||||
12047 | } | ||||||||
12048 | |||||||||
12049 | StmtResult Sema::ActOnOpenMPTargetSimdDirective( | ||||||||
12050 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||||||
12051 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||||||
12052 | if (!AStmt) | ||||||||
12053 | return StmtError(); | ||||||||
12054 | |||||||||
12055 | auto *CS = cast<CapturedStmt>(AStmt); | ||||||||
12056 | // 1.2.2 OpenMP Language Terminology | ||||||||
12057 | // Structured block - An executable statement with a single entry at the | ||||||||
12058 | // top and a single exit at the bottom. | ||||||||
12059 | // The point of exit cannot be a branch out of the structured block. | ||||||||
12060 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
12061 | CS->getCapturedDecl()->setNothrow(); | ||||||||
12062 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_simd); | ||||||||
12063 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||||||
12064 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||||||
12065 | // 1.2.2 OpenMP Language Terminology | ||||||||
12066 | // Structured block - An executable statement with a single entry at the | ||||||||
12067 | // top and a single exit at the bottom. | ||||||||
12068 | // The point of exit cannot be a branch out of the structured block. | ||||||||
12069 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
12070 | CS->getCapturedDecl()->setNothrow(); | ||||||||
12071 | } | ||||||||
12072 | |||||||||
12073 | OMPLoopBasedDirective::HelperExprs B; | ||||||||
12074 | // In presence of clause 'collapse' with number of loops, it will define the | ||||||||
12075 | // nested loops number. | ||||||||
12076 | unsigned NestedLoopCount = | ||||||||
12077 | checkOpenMPLoop(OMPD_target_simd, getCollapseNumberExpr(Clauses), | ||||||||
12078 | getOrderedNumberExpr(Clauses), CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||||||
12079 | VarsWithImplicitDSA, B); | ||||||||
12080 | if (NestedLoopCount == 0) | ||||||||
12081 | return StmtError(); | ||||||||
12082 | |||||||||
12083 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | ||||||||
12084 | "omp target simd loop exprs were not built")((void)0); | ||||||||
12085 | |||||||||
12086 | if (!CurContext->isDependentContext()) { | ||||||||
12087 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||||||
12088 | for (OMPClause *C : Clauses) { | ||||||||
12089 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||||||
12090 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||||||
12091 | B.NumIterations, *this, CurScope, | ||||||||
12092 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||||||
12093 | return StmtError(); | ||||||||
12094 | } | ||||||||
12095 | } | ||||||||
12096 | |||||||||
12097 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | ||||||||
12098 | return StmtError(); | ||||||||
12099 | |||||||||
12100 | setFunctionHasBranchProtectedScope(); | ||||||||
12101 | return OMPTargetSimdDirective::Create(Context, StartLoc, EndLoc, | ||||||||
12102 | NestedLoopCount, Clauses, AStmt, B); | ||||||||
12103 | } | ||||||||
12104 | |||||||||
12105 | StmtResult Sema::ActOnOpenMPTeamsDistributeDirective( | ||||||||
12106 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||||||
12107 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||||||
12108 | if (!AStmt) | ||||||||
12109 | return StmtError(); | ||||||||
12110 | |||||||||
12111 | auto *CS = cast<CapturedStmt>(AStmt); | ||||||||
12112 | // 1.2.2 OpenMP Language Terminology | ||||||||
12113 | // Structured block - An executable statement with a single entry at the | ||||||||
12114 | // top and a single exit at the bottom. | ||||||||
12115 | // The point of exit cannot be a branch out of the structured block. | ||||||||
12116 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
12117 | CS->getCapturedDecl()->setNothrow(); | ||||||||
12118 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_teams_distribute); | ||||||||
12119 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||||||
12120 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||||||
12121 | // 1.2.2 OpenMP Language Terminology | ||||||||
12122 | // Structured block - An executable statement with a single entry at the | ||||||||
12123 | // top and a single exit at the bottom. | ||||||||
12124 | // The point of exit cannot be a branch out of the structured block. | ||||||||
12125 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
12126 | CS->getCapturedDecl()->setNothrow(); | ||||||||
12127 | } | ||||||||
12128 | |||||||||
12129 | OMPLoopBasedDirective::HelperExprs B; | ||||||||
12130 | // In presence of clause 'collapse' with number of loops, it will | ||||||||
12131 | // define the nested loops number. | ||||||||
12132 | unsigned NestedLoopCount = | ||||||||
12133 | checkOpenMPLoop(OMPD_teams_distribute, getCollapseNumberExpr(Clauses), | ||||||||
12134 | nullptr /*ordered not a clause on distribute*/, CS, *this, | ||||||||
12135 | *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); | ||||||||
12136 | if (NestedLoopCount == 0) | ||||||||
12137 | return StmtError(); | ||||||||
12138 | |||||||||
12139 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | ||||||||
12140 | "omp teams distribute loop exprs were not built")((void)0); | ||||||||
12141 | |||||||||
12142 | setFunctionHasBranchProtectedScope(); | ||||||||
12143 | |||||||||
12144 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); | ||||||||
12145 | |||||||||
12146 | return OMPTeamsDistributeDirective::Create( | ||||||||
12147 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | ||||||||
12148 | } | ||||||||
12149 | |||||||||
12150 | StmtResult Sema::ActOnOpenMPTeamsDistributeSimdDirective( | ||||||||
12151 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||||||
12152 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||||||
12153 | if (!AStmt) | ||||||||
12154 | return StmtError(); | ||||||||
12155 | |||||||||
12156 | auto *CS = cast<CapturedStmt>(AStmt); | ||||||||
12157 | // 1.2.2 OpenMP Language Terminology | ||||||||
12158 | // Structured block - An executable statement with a single entry at the | ||||||||
12159 | // top and a single exit at the bottom. | ||||||||
12160 | // The point of exit cannot be a branch out of the structured block. | ||||||||
12161 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
12162 | CS->getCapturedDecl()->setNothrow(); | ||||||||
12163 | for (int ThisCaptureLevel = | ||||||||
12164 | getOpenMPCaptureLevels(OMPD_teams_distribute_simd); | ||||||||
12165 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||||||
12166 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||||||
12167 | // 1.2.2 OpenMP Language Terminology | ||||||||
12168 | // Structured block - An executable statement with a single entry at the | ||||||||
12169 | // top and a single exit at the bottom. | ||||||||
12170 | // The point of exit cannot be a branch out of the structured block. | ||||||||
12171 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
12172 | CS->getCapturedDecl()->setNothrow(); | ||||||||
12173 | } | ||||||||
12174 | |||||||||
12175 | OMPLoopBasedDirective::HelperExprs B; | ||||||||
12176 | // In presence of clause 'collapse' with number of loops, it will | ||||||||
12177 | // define the nested loops number. | ||||||||
12178 | unsigned NestedLoopCount = checkOpenMPLoop( | ||||||||
12179 | OMPD_teams_distribute_simd, getCollapseNumberExpr(Clauses), | ||||||||
12180 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||||||
12181 | VarsWithImplicitDSA, B); | ||||||||
12182 | |||||||||
12183 | if (NestedLoopCount == 0) | ||||||||
12184 | return StmtError(); | ||||||||
12185 | |||||||||
12186 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | ||||||||
12187 | "omp teams distribute simd loop exprs were not built")((void)0); | ||||||||
12188 | |||||||||
12189 | if (!CurContext->isDependentContext()) { | ||||||||
12190 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||||||
12191 | for (OMPClause *C : Clauses) { | ||||||||
12192 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||||||
12193 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||||||
12194 | B.NumIterations, *this, CurScope, | ||||||||
12195 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||||||
12196 | return StmtError(); | ||||||||
12197 | } | ||||||||
12198 | } | ||||||||
12199 | |||||||||
12200 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | ||||||||
12201 | return StmtError(); | ||||||||
12202 | |||||||||
12203 | setFunctionHasBranchProtectedScope(); | ||||||||
12204 | |||||||||
12205 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); | ||||||||
12206 | |||||||||
12207 | return OMPTeamsDistributeSimdDirective::Create( | ||||||||
12208 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | ||||||||
12209 | } | ||||||||
12210 | |||||||||
12211 | StmtResult Sema::ActOnOpenMPTeamsDistributeParallelForSimdDirective( | ||||||||
12212 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||||||
12213 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||||||
12214 | if (!AStmt) | ||||||||
12215 | return StmtError(); | ||||||||
12216 | |||||||||
12217 | auto *CS = cast<CapturedStmt>(AStmt); | ||||||||
12218 | // 1.2.2 OpenMP Language Terminology | ||||||||
12219 | // Structured block - An executable statement with a single entry at the | ||||||||
12220 | // top and a single exit at the bottom. | ||||||||
12221 | // The point of exit cannot be a branch out of the structured block. | ||||||||
12222 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
12223 | CS->getCapturedDecl()->setNothrow(); | ||||||||
12224 | |||||||||
12225 | for (int ThisCaptureLevel = | ||||||||
12226 | getOpenMPCaptureLevels(OMPD_teams_distribute_parallel_for_simd); | ||||||||
12227 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||||||
12228 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||||||
12229 | // 1.2.2 OpenMP Language Terminology | ||||||||
12230 | // Structured block - An executable statement with a single entry at the | ||||||||
12231 | // top and a single exit at the bottom. | ||||||||
12232 | // The point of exit cannot be a branch out of the structured block. | ||||||||
12233 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
12234 | CS->getCapturedDecl()->setNothrow(); | ||||||||
12235 | } | ||||||||
12236 | |||||||||
12237 | OMPLoopBasedDirective::HelperExprs B; | ||||||||
12238 | // In presence of clause 'collapse' with number of loops, it will | ||||||||
12239 | // define the nested loops number. | ||||||||
12240 | unsigned NestedLoopCount = checkOpenMPLoop( | ||||||||
12241 | OMPD_teams_distribute_parallel_for_simd, getCollapseNumberExpr(Clauses), | ||||||||
12242 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||||||
12243 | VarsWithImplicitDSA, B); | ||||||||
12244 | |||||||||
12245 | if (NestedLoopCount == 0) | ||||||||
12246 | return StmtError(); | ||||||||
12247 | |||||||||
12248 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | ||||||||
12249 | "omp for loop exprs were not built")((void)0); | ||||||||
12250 | |||||||||
12251 | if (!CurContext->isDependentContext()) { | ||||||||
12252 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||||||
12253 | for (OMPClause *C : Clauses) { | ||||||||
12254 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||||||
12255 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||||||
12256 | B.NumIterations, *this, CurScope, | ||||||||
12257 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||||||
12258 | return StmtError(); | ||||||||
12259 | } | ||||||||
12260 | } | ||||||||
12261 | |||||||||
12262 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | ||||||||
12263 | return StmtError(); | ||||||||
12264 | |||||||||
12265 | setFunctionHasBranchProtectedScope(); | ||||||||
12266 | |||||||||
12267 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); | ||||||||
12268 | |||||||||
12269 | return OMPTeamsDistributeParallelForSimdDirective::Create( | ||||||||
12270 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | ||||||||
12271 | } | ||||||||
12272 | |||||||||
12273 | StmtResult Sema::ActOnOpenMPTeamsDistributeParallelForDirective( | ||||||||
12274 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||||||
12275 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||||||
12276 | if (!AStmt) | ||||||||
12277 | return StmtError(); | ||||||||
12278 | |||||||||
12279 | auto *CS = cast<CapturedStmt>(AStmt); | ||||||||
12280 | // 1.2.2 OpenMP Language Terminology | ||||||||
12281 | // Structured block - An executable statement with a single entry at the | ||||||||
12282 | // top and a single exit at the bottom. | ||||||||
12283 | // The point of exit cannot be a branch out of the structured block. | ||||||||
12284 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
12285 | CS->getCapturedDecl()->setNothrow(); | ||||||||
12286 | |||||||||
12287 | for (int ThisCaptureLevel = | ||||||||
12288 | getOpenMPCaptureLevels(OMPD_teams_distribute_parallel_for); | ||||||||
12289 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||||||
12290 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||||||
12291 | // 1.2.2 OpenMP Language Terminology | ||||||||
12292 | // Structured block - An executable statement with a single entry at the | ||||||||
12293 | // top and a single exit at the bottom. | ||||||||
12294 | // The point of exit cannot be a branch out of the structured block. | ||||||||
12295 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
12296 | CS->getCapturedDecl()->setNothrow(); | ||||||||
12297 | } | ||||||||
12298 | |||||||||
12299 | OMPLoopBasedDirective::HelperExprs B; | ||||||||
12300 | // In presence of clause 'collapse' with number of loops, it will | ||||||||
12301 | // define the nested loops number. | ||||||||
12302 | unsigned NestedLoopCount = checkOpenMPLoop( | ||||||||
12303 | OMPD_teams_distribute_parallel_for, getCollapseNumberExpr(Clauses), | ||||||||
12304 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||||||
12305 | VarsWithImplicitDSA, B); | ||||||||
12306 | |||||||||
12307 | if (NestedLoopCount == 0) | ||||||||
12308 | return StmtError(); | ||||||||
12309 | |||||||||
12310 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | ||||||||
12311 | "omp for loop exprs were not built")((void)0); | ||||||||
12312 | |||||||||
12313 | setFunctionHasBranchProtectedScope(); | ||||||||
12314 | |||||||||
12315 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); | ||||||||
12316 | |||||||||
12317 | return OMPTeamsDistributeParallelForDirective::Create( | ||||||||
12318 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, | ||||||||
12319 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||||||
12320 | } | ||||||||
12321 | |||||||||
12322 | StmtResult Sema::ActOnOpenMPTargetTeamsDirective(ArrayRef<OMPClause *> Clauses, | ||||||||
12323 | Stmt *AStmt, | ||||||||
12324 | SourceLocation StartLoc, | ||||||||
12325 | SourceLocation EndLoc) { | ||||||||
12326 | if (!AStmt) | ||||||||
12327 | return StmtError(); | ||||||||
12328 | |||||||||
12329 | auto *CS = cast<CapturedStmt>(AStmt); | ||||||||
12330 | // 1.2.2 OpenMP Language Terminology | ||||||||
12331 | // Structured block - An executable statement with a single entry at the | ||||||||
12332 | // top and a single exit at the bottom. | ||||||||
12333 | // The point of exit cannot be a branch out of the structured block. | ||||||||
12334 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
12335 | CS->getCapturedDecl()->setNothrow(); | ||||||||
12336 | |||||||||
12337 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_teams); | ||||||||
12338 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||||||
12339 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||||||
12340 | // 1.2.2 OpenMP Language Terminology | ||||||||
12341 | // Structured block - An executable statement with a single entry at the | ||||||||
12342 | // top and a single exit at the bottom. | ||||||||
12343 | // The point of exit cannot be a branch out of the structured block. | ||||||||
12344 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
12345 | CS->getCapturedDecl()->setNothrow(); | ||||||||
12346 | } | ||||||||
12347 | setFunctionHasBranchProtectedScope(); | ||||||||
12348 | |||||||||
12349 | return OMPTargetTeamsDirective::Create(Context, StartLoc, EndLoc, Clauses, | ||||||||
12350 | AStmt); | ||||||||
12351 | } | ||||||||
12352 | |||||||||
12353 | StmtResult Sema::ActOnOpenMPTargetTeamsDistributeDirective( | ||||||||
12354 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||||||
12355 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||||||
12356 | if (!AStmt) | ||||||||
12357 | return StmtError(); | ||||||||
12358 | |||||||||
12359 | auto *CS = cast<CapturedStmt>(AStmt); | ||||||||
12360 | // 1.2.2 OpenMP Language Terminology | ||||||||
12361 | // Structured block - An executable statement with a single entry at the | ||||||||
12362 | // top and a single exit at the bottom. | ||||||||
12363 | // The point of exit cannot be a branch out of the structured block. | ||||||||
12364 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
12365 | CS->getCapturedDecl()->setNothrow(); | ||||||||
12366 | for (int ThisCaptureLevel = | ||||||||
12367 | getOpenMPCaptureLevels(OMPD_target_teams_distribute); | ||||||||
12368 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||||||
12369 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||||||
12370 | // 1.2.2 OpenMP Language Terminology | ||||||||
12371 | // Structured block - An executable statement with a single entry at the | ||||||||
12372 | // top and a single exit at the bottom. | ||||||||
12373 | // The point of exit cannot be a branch out of the structured block. | ||||||||
12374 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
12375 | CS->getCapturedDecl()->setNothrow(); | ||||||||
12376 | } | ||||||||
12377 | |||||||||
12378 | OMPLoopBasedDirective::HelperExprs B; | ||||||||
12379 | // In presence of clause 'collapse' with number of loops, it will | ||||||||
12380 | // define the nested loops number. | ||||||||
12381 | unsigned NestedLoopCount = checkOpenMPLoop( | ||||||||
12382 | OMPD_target_teams_distribute, getCollapseNumberExpr(Clauses), | ||||||||
12383 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||||||
12384 | VarsWithImplicitDSA, B); | ||||||||
12385 | if (NestedLoopCount == 0) | ||||||||
12386 | return StmtError(); | ||||||||
12387 | |||||||||
12388 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | ||||||||
12389 | "omp target teams distribute loop exprs were not built")((void)0); | ||||||||
12390 | |||||||||
12391 | setFunctionHasBranchProtectedScope(); | ||||||||
12392 | return OMPTargetTeamsDistributeDirective::Create( | ||||||||
12393 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | ||||||||
12394 | } | ||||||||
12395 | |||||||||
12396 | StmtResult Sema::ActOnOpenMPTargetTeamsDistributeParallelForDirective( | ||||||||
12397 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||||||
12398 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||||||
12399 | if (!AStmt) | ||||||||
12400 | return StmtError(); | ||||||||
12401 | |||||||||
12402 | auto *CS = cast<CapturedStmt>(AStmt); | ||||||||
12403 | // 1.2.2 OpenMP Language Terminology | ||||||||
12404 | // Structured block - An executable statement with a single entry at the | ||||||||
12405 | // top and a single exit at the bottom. | ||||||||
12406 | // The point of exit cannot be a branch out of the structured block. | ||||||||
12407 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
12408 | CS->getCapturedDecl()->setNothrow(); | ||||||||
12409 | for (int ThisCaptureLevel = | ||||||||
12410 | getOpenMPCaptureLevels(OMPD_target_teams_distribute_parallel_for); | ||||||||
12411 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||||||
12412 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||||||
12413 | // 1.2.2 OpenMP Language Terminology | ||||||||
12414 | // Structured block - An executable statement with a single entry at the | ||||||||
12415 | // top and a single exit at the bottom. | ||||||||
12416 | // The point of exit cannot be a branch out of the structured block. | ||||||||
12417 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
12418 | CS->getCapturedDecl()->setNothrow(); | ||||||||
12419 | } | ||||||||
12420 | |||||||||
12421 | OMPLoopBasedDirective::HelperExprs B; | ||||||||
12422 | // In presence of clause 'collapse' with number of loops, it will | ||||||||
12423 | // define the nested loops number. | ||||||||
12424 | unsigned NestedLoopCount = checkOpenMPLoop( | ||||||||
12425 | OMPD_target_teams_distribute_parallel_for, getCollapseNumberExpr(Clauses), | ||||||||
12426 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||||||
12427 | VarsWithImplicitDSA, B); | ||||||||
12428 | if (NestedLoopCount == 0) | ||||||||
12429 | return StmtError(); | ||||||||
12430 | |||||||||
12431 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | ||||||||
12432 | "omp target teams distribute parallel for loop exprs were not built")((void)0); | ||||||||
12433 | |||||||||
12434 | if (!CurContext->isDependentContext()) { | ||||||||
12435 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||||||
12436 | for (OMPClause *C : Clauses) { | ||||||||
12437 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||||||
12438 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||||||
12439 | B.NumIterations, *this, CurScope, | ||||||||
12440 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||||||
12441 | return StmtError(); | ||||||||
12442 | } | ||||||||
12443 | } | ||||||||
12444 | |||||||||
12445 | setFunctionHasBranchProtectedScope(); | ||||||||
12446 | return OMPTargetTeamsDistributeParallelForDirective::Create( | ||||||||
12447 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, | ||||||||
12448 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | ||||||||
12449 | } | ||||||||
12450 | |||||||||
12451 | StmtResult Sema::ActOnOpenMPTargetTeamsDistributeParallelForSimdDirective( | ||||||||
12452 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||||||
12453 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||||||
12454 | if (!AStmt) | ||||||||
12455 | return StmtError(); | ||||||||
12456 | |||||||||
12457 | auto *CS = cast<CapturedStmt>(AStmt); | ||||||||
12458 | // 1.2.2 OpenMP Language Terminology | ||||||||
12459 | // Structured block - An executable statement with a single entry at the | ||||||||
12460 | // top and a single exit at the bottom. | ||||||||
12461 | // The point of exit cannot be a branch out of the structured block. | ||||||||
12462 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
12463 | CS->getCapturedDecl()->setNothrow(); | ||||||||
12464 | for (int ThisCaptureLevel = getOpenMPCaptureLevels( | ||||||||
12465 | OMPD_target_teams_distribute_parallel_for_simd); | ||||||||
12466 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||||||
12467 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||||||
12468 | // 1.2.2 OpenMP Language Terminology | ||||||||
12469 | // Structured block - An executable statement with a single entry at the | ||||||||
12470 | // top and a single exit at the bottom. | ||||||||
12471 | // The point of exit cannot be a branch out of the structured block. | ||||||||
12472 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
12473 | CS->getCapturedDecl()->setNothrow(); | ||||||||
12474 | } | ||||||||
12475 | |||||||||
12476 | OMPLoopBasedDirective::HelperExprs B; | ||||||||
12477 | // In presence of clause 'collapse' with number of loops, it will | ||||||||
12478 | // define the nested loops number. | ||||||||
12479 | unsigned NestedLoopCount = | ||||||||
12480 | checkOpenMPLoop(OMPD_target_teams_distribute_parallel_for_simd, | ||||||||
12481 | getCollapseNumberExpr(Clauses), | ||||||||
12482 | nullptr /*ordered not a clause on distribute*/, CS, *this, | ||||||||
12483 | *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); | ||||||||
12484 | if (NestedLoopCount == 0) | ||||||||
12485 | return StmtError(); | ||||||||
12486 | |||||||||
12487 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | ||||||||
12488 | "omp target teams distribute parallel for simd loop exprs were not "((void)0) | ||||||||
12489 | "built")((void)0); | ||||||||
12490 | |||||||||
12491 | if (!CurContext->isDependentContext()) { | ||||||||
12492 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||||||
12493 | for (OMPClause *C : Clauses) { | ||||||||
12494 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||||||
12495 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||||||
12496 | B.NumIterations, *this, CurScope, | ||||||||
12497 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||||||
12498 | return StmtError(); | ||||||||
12499 | } | ||||||||
12500 | } | ||||||||
12501 | |||||||||
12502 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | ||||||||
12503 | return StmtError(); | ||||||||
12504 | |||||||||
12505 | setFunctionHasBranchProtectedScope(); | ||||||||
12506 | return OMPTargetTeamsDistributeParallelForSimdDirective::Create( | ||||||||
12507 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | ||||||||
12508 | } | ||||||||
12509 | |||||||||
12510 | StmtResult Sema::ActOnOpenMPTargetTeamsDistributeSimdDirective( | ||||||||
12511 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | ||||||||
12512 | SourceLocation EndLoc, VarsWithInheritedDSAType &VarsWithImplicitDSA) { | ||||||||
12513 | if (!AStmt) | ||||||||
12514 | return StmtError(); | ||||||||
12515 | |||||||||
12516 | auto *CS = cast<CapturedStmt>(AStmt); | ||||||||
12517 | // 1.2.2 OpenMP Language Terminology | ||||||||
12518 | // Structured block - An executable statement with a single entry at the | ||||||||
12519 | // top and a single exit at the bottom. | ||||||||
12520 | // The point of exit cannot be a branch out of the structured block. | ||||||||
12521 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
12522 | CS->getCapturedDecl()->setNothrow(); | ||||||||
12523 | for (int ThisCaptureLevel = | ||||||||
12524 | getOpenMPCaptureLevels(OMPD_target_teams_distribute_simd); | ||||||||
12525 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | ||||||||
12526 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | ||||||||
12527 | // 1.2.2 OpenMP Language Terminology | ||||||||
12528 | // Structured block - An executable statement with a single entry at the | ||||||||
12529 | // top and a single exit at the bottom. | ||||||||
12530 | // The point of exit cannot be a branch out of the structured block. | ||||||||
12531 | // longjmp() and throw() must not violate the entry/exit criteria. | ||||||||
12532 | CS->getCapturedDecl()->setNothrow(); | ||||||||
12533 | } | ||||||||
12534 | |||||||||
12535 | OMPLoopBasedDirective::HelperExprs B; | ||||||||
12536 | // In presence of clause 'collapse' with number of loops, it will | ||||||||
12537 | // define the nested loops number. | ||||||||
12538 | unsigned NestedLoopCount = checkOpenMPLoop( | ||||||||
12539 | OMPD_target_teams_distribute_simd, getCollapseNumberExpr(Clauses), | ||||||||
12540 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||||||
12541 | VarsWithImplicitDSA, B); | ||||||||
12542 | if (NestedLoopCount == 0) | ||||||||
12543 | return StmtError(); | ||||||||
12544 | |||||||||
12545 | assert((CurContext->isDependentContext() || B.builtAll()) &&((void)0) | ||||||||
12546 | "omp target teams distribute simd loop exprs were not built")((void)0); | ||||||||
12547 | |||||||||
12548 | if (!CurContext->isDependentContext()) { | ||||||||
12549 | // Finalize the clauses that need pre-built expressions for CodeGen. | ||||||||
12550 | for (OMPClause *C : Clauses) { | ||||||||
12551 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | ||||||||
12552 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | ||||||||
12553 | B.NumIterations, *this, CurScope, | ||||||||
12554 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||||||
12555 | return StmtError(); | ||||||||
12556 | } | ||||||||
12557 | } | ||||||||
12558 | |||||||||
12559 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | ||||||||
12560 | return StmtError(); | ||||||||
12561 | |||||||||
12562 | setFunctionHasBranchProtectedScope(); | ||||||||
12563 | return OMPTargetTeamsDistributeSimdDirective::Create( | ||||||||
12564 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | ||||||||
12565 | } | ||||||||
12566 | |||||||||
12567 | bool Sema::checkTransformableLoopNest( | ||||||||
12568 | OpenMPDirectiveKind Kind, Stmt *AStmt, int NumLoops, | ||||||||
12569 | SmallVectorImpl<OMPLoopBasedDirective::HelperExprs> &LoopHelpers, | ||||||||
12570 | Stmt *&Body, | ||||||||
12571 | SmallVectorImpl<SmallVector<llvm::PointerUnion<Stmt *, Decl *>, 0>> | ||||||||
12572 | &OriginalInits) { | ||||||||
12573 | OriginalInits.emplace_back(); | ||||||||
12574 | bool Result = OMPLoopBasedDirective::doForAllLoops( | ||||||||
12575 | AStmt->IgnoreContainers(), /*TryImperfectlyNestedLoops=*/false, NumLoops, | ||||||||
12576 | [this, &LoopHelpers, &Body, &OriginalInits, Kind](unsigned Cnt, | ||||||||
12577 | Stmt *CurStmt) { | ||||||||
12578 | VarsWithInheritedDSAType TmpDSA; | ||||||||
12579 | unsigned SingleNumLoops = | ||||||||
12580 | checkOpenMPLoop(Kind, nullptr, nullptr, CurStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||||||
12581 | TmpDSA, LoopHelpers[Cnt]); | ||||||||
12582 | if (SingleNumLoops == 0) | ||||||||
12583 | return true; | ||||||||
12584 | assert(SingleNumLoops == 1 && "Expect single loop iteration space")((void)0); | ||||||||
12585 | if (auto *For = dyn_cast<ForStmt>(CurStmt)) { | ||||||||
12586 | OriginalInits.back().push_back(For->getInit()); | ||||||||
12587 | Body = For->getBody(); | ||||||||
12588 | } else { | ||||||||
12589 | assert(isa<CXXForRangeStmt>(CurStmt) &&((void)0) | ||||||||
12590 | "Expected canonical for or range-based for loops.")((void)0); | ||||||||
12591 | auto *CXXFor = cast<CXXForRangeStmt>(CurStmt); | ||||||||
12592 | OriginalInits.back().push_back(CXXFor->getBeginStmt()); | ||||||||
12593 | Body = CXXFor->getBody(); | ||||||||
12594 | } | ||||||||
12595 | OriginalInits.emplace_back(); | ||||||||
12596 | return false; | ||||||||
12597 | }, | ||||||||
12598 | [&OriginalInits](OMPLoopBasedDirective *Transform) { | ||||||||
12599 | Stmt *DependentPreInits; | ||||||||
12600 | if (auto *Dir = dyn_cast<OMPTileDirective>(Transform)) | ||||||||
12601 | DependentPreInits = Dir->getPreInits(); | ||||||||
12602 | else if (auto *Dir = dyn_cast<OMPUnrollDirective>(Transform)) | ||||||||
12603 | DependentPreInits = Dir->getPreInits(); | ||||||||
12604 | else | ||||||||
12605 | llvm_unreachable("Unhandled loop transformation")__builtin_unreachable(); | ||||||||
12606 | if (!DependentPreInits) | ||||||||
12607 | return; | ||||||||
12608 | for (Decl *C : cast<DeclStmt>(DependentPreInits)->getDeclGroup()) | ||||||||
12609 | OriginalInits.back().push_back(C); | ||||||||
12610 | }); | ||||||||
12611 | assert(OriginalInits.back().empty() && "No preinit after innermost loop")((void)0); | ||||||||
12612 | OriginalInits.pop_back(); | ||||||||
12613 | return Result; | ||||||||
12614 | } | ||||||||
12615 | |||||||||
12616 | StmtResult Sema::ActOnOpenMPTileDirective(ArrayRef<OMPClause *> Clauses, | ||||||||
12617 | Stmt *AStmt, SourceLocation StartLoc, | ||||||||
12618 | SourceLocation EndLoc) { | ||||||||
12619 | auto SizesClauses = | ||||||||
12620 | OMPExecutableDirective::getClausesOfKind<OMPSizesClause>(Clauses); | ||||||||
12621 | if (SizesClauses.empty()) { | ||||||||
12622 | // A missing 'sizes' clause is already reported by the parser. | ||||||||
12623 | return StmtError(); | ||||||||
12624 | } | ||||||||
12625 | const OMPSizesClause *SizesClause = *SizesClauses.begin(); | ||||||||
12626 | unsigned NumLoops = SizesClause->getNumSizes(); | ||||||||
12627 | |||||||||
12628 | // Empty statement should only be possible if there already was an error. | ||||||||
12629 | if (!AStmt) | ||||||||
12630 | return StmtError(); | ||||||||
12631 | |||||||||
12632 | // Verify and diagnose loop nest. | ||||||||
12633 | SmallVector<OMPLoopBasedDirective::HelperExprs, 4> LoopHelpers(NumLoops); | ||||||||
12634 | Stmt *Body = nullptr; | ||||||||
12635 | SmallVector<SmallVector<llvm::PointerUnion<Stmt *, Decl *>, 0>, 4> | ||||||||
12636 | OriginalInits; | ||||||||
12637 | if (!checkTransformableLoopNest(OMPD_tile, AStmt, NumLoops, LoopHelpers, Body, | ||||||||
12638 | OriginalInits)) | ||||||||
12639 | return StmtError(); | ||||||||
12640 | |||||||||
12641 | // Delay tiling to when template is completely instantiated. | ||||||||
12642 | if (CurContext->isDependentContext()) | ||||||||
12643 | return OMPTileDirective::Create(Context, StartLoc, EndLoc, Clauses, | ||||||||
12644 | NumLoops, AStmt, nullptr, nullptr); | ||||||||
12645 | |||||||||
12646 | SmallVector<Decl *, 4> PreInits; | ||||||||
12647 | |||||||||
12648 | // Create iteration variables for the generated loops. | ||||||||
12649 | SmallVector<VarDecl *, 4> FloorIndVars; | ||||||||
12650 | SmallVector<VarDecl *, 4> TileIndVars; | ||||||||
12651 | FloorIndVars.resize(NumLoops); | ||||||||
12652 | TileIndVars.resize(NumLoops); | ||||||||
12653 | for (unsigned I = 0; I < NumLoops; ++I) { | ||||||||
12654 | OMPLoopBasedDirective::HelperExprs &LoopHelper = LoopHelpers[I]; | ||||||||
12655 | |||||||||
12656 | assert(LoopHelper.Counters.size() == 1 &&((void)0) | ||||||||
12657 | "Expect single-dimensional loop iteration space")((void)0); | ||||||||
12658 | auto *OrigCntVar = cast<DeclRefExpr>(LoopHelper.Counters.front()); | ||||||||
12659 | std::string OrigVarName = OrigCntVar->getNameInfo().getAsString(); | ||||||||
12660 | DeclRefExpr *IterVarRef = cast<DeclRefExpr>(LoopHelper.IterationVarRef); | ||||||||
12661 | QualType CntTy = IterVarRef->getType(); | ||||||||
12662 | |||||||||
12663 | // Iteration variable for the floor (i.e. outer) loop. | ||||||||
12664 | { | ||||||||
12665 | std::string FloorCntName = | ||||||||
12666 | (Twine(".floor_") + llvm::utostr(I) + ".iv." + OrigVarName).str(); | ||||||||
12667 | VarDecl *FloorCntDecl = | ||||||||
12668 | buildVarDecl(*this, {}, CntTy, FloorCntName, nullptr, OrigCntVar); | ||||||||
12669 | FloorIndVars[I] = FloorCntDecl; | ||||||||
12670 | } | ||||||||
12671 | |||||||||
12672 | // Iteration variable for the tile (i.e. inner) loop. | ||||||||
12673 | { | ||||||||
12674 | std::string TileCntName = | ||||||||
12675 | (Twine(".tile_") + llvm::utostr(I) + ".iv." + OrigVarName).str(); | ||||||||
12676 | |||||||||
12677 | // Reuse the iteration variable created by checkOpenMPLoop. It is also | ||||||||
12678 | // used by the expressions to derive the original iteration variable's | ||||||||
12679 | // value from the logical iteration number. | ||||||||
12680 | auto *TileCntDecl = cast<VarDecl>(IterVarRef->getDecl()); | ||||||||
12681 | TileCntDecl->setDeclName(&PP.getIdentifierTable().get(TileCntName)); | ||||||||
12682 | TileIndVars[I] = TileCntDecl; | ||||||||
12683 | } | ||||||||
12684 | for (auto &P : OriginalInits[I]) { | ||||||||
12685 | if (auto *D = P.dyn_cast<Decl *>()) | ||||||||
12686 | PreInits.push_back(D); | ||||||||
12687 | else if (auto *PI = dyn_cast_or_null<DeclStmt>(P.dyn_cast<Stmt *>())) | ||||||||
12688 | PreInits.append(PI->decl_begin(), PI->decl_end()); | ||||||||
12689 | } | ||||||||
12690 | if (auto *PI = cast_or_null<DeclStmt>(LoopHelper.PreInits)) | ||||||||
12691 | PreInits.append(PI->decl_begin(), PI->decl_end()); | ||||||||
12692 | // Gather declarations for the data members used as counters. | ||||||||
12693 | for (Expr *CounterRef : LoopHelper.Counters) { | ||||||||
12694 | auto *CounterDecl = cast<DeclRefExpr>(CounterRef)->getDecl(); | ||||||||
12695 | if (isa<OMPCapturedExprDecl>(CounterDecl)) | ||||||||
12696 | PreInits.push_back(CounterDecl); | ||||||||
12697 | } | ||||||||
12698 | } | ||||||||
12699 | |||||||||
12700 | // Once the original iteration values are set, append the innermost body. | ||||||||
12701 | Stmt *Inner = Body; | ||||||||
12702 | |||||||||
12703 | // Create tile loops from the inside to the outside. | ||||||||
12704 | for (int I = NumLoops - 1; I >= 0; --I) { | ||||||||
12705 | OMPLoopBasedDirective::HelperExprs &LoopHelper = LoopHelpers[I]; | ||||||||
12706 | Expr *NumIterations = LoopHelper.NumIterations; | ||||||||
12707 | auto *OrigCntVar = cast<DeclRefExpr>(LoopHelper.Counters[0]); | ||||||||
12708 | QualType CntTy = OrigCntVar->getType(); | ||||||||
12709 | Expr *DimTileSize = SizesClause->getSizesRefs()[I]; | ||||||||
12710 | Scope *CurScope = getCurScope(); | ||||||||
12711 | |||||||||
12712 | // Commonly used variables. | ||||||||
12713 | DeclRefExpr *TileIV = buildDeclRefExpr(*this, TileIndVars[I], CntTy, | ||||||||
12714 | OrigCntVar->getExprLoc()); | ||||||||
12715 | DeclRefExpr *FloorIV = buildDeclRefExpr(*this, FloorIndVars[I], CntTy, | ||||||||
12716 | OrigCntVar->getExprLoc()); | ||||||||
12717 | |||||||||
12718 | // For init-statement: auto .tile.iv = .floor.iv | ||||||||
12719 | AddInitializerToDecl(TileIndVars[I], DefaultLvalueConversion(FloorIV).get(), | ||||||||
12720 | /*DirectInit=*/false); | ||||||||
12721 | Decl *CounterDecl = TileIndVars[I]; | ||||||||
12722 | StmtResult InitStmt = new (Context) | ||||||||
12723 | DeclStmt(DeclGroupRef::Create(Context, &CounterDecl, 1), | ||||||||
12724 | OrigCntVar->getBeginLoc(), OrigCntVar->getEndLoc()); | ||||||||
12725 | if (!InitStmt.isUsable()) | ||||||||
12726 | return StmtError(); | ||||||||
12727 | |||||||||
12728 | // For cond-expression: .tile.iv < min(.floor.iv + DimTileSize, | ||||||||
12729 | // NumIterations) | ||||||||
12730 | ExprResult EndOfTile = BuildBinOp(CurScope, LoopHelper.Cond->getExprLoc(), | ||||||||
12731 | BO_Add, FloorIV, DimTileSize); | ||||||||
12732 | if (!EndOfTile.isUsable()) | ||||||||
12733 | return StmtError(); | ||||||||
12734 | ExprResult IsPartialTile = | ||||||||
12735 | BuildBinOp(CurScope, LoopHelper.Cond->getExprLoc(), BO_LT, | ||||||||
12736 | NumIterations, EndOfTile.get()); | ||||||||
12737 | if (!IsPartialTile.isUsable()) | ||||||||
12738 | return StmtError(); | ||||||||
12739 | ExprResult MinTileAndIterSpace = ActOnConditionalOp( | ||||||||
12740 | LoopHelper.Cond->getBeginLoc(), LoopHelper.Cond->getEndLoc(), | ||||||||
12741 | IsPartialTile.get(), NumIterations, EndOfTile.get()); | ||||||||
12742 | if (!MinTileAndIterSpace.isUsable()) | ||||||||
12743 | return StmtError(); | ||||||||
12744 | ExprResult CondExpr = BuildBinOp(CurScope, LoopHelper.Cond->getExprLoc(), | ||||||||
12745 | BO_LT, TileIV, MinTileAndIterSpace.get()); | ||||||||
12746 | if (!CondExpr.isUsable()) | ||||||||
12747 | return StmtError(); | ||||||||
12748 | |||||||||
12749 | // For incr-statement: ++.tile.iv | ||||||||
12750 | ExprResult IncrStmt = | ||||||||
12751 | BuildUnaryOp(CurScope, LoopHelper.Inc->getExprLoc(), UO_PreInc, TileIV); | ||||||||
12752 | if (!IncrStmt.isUsable()) | ||||||||
12753 | return StmtError(); | ||||||||
12754 | |||||||||
12755 | // Statements to set the original iteration variable's value from the | ||||||||
12756 | // logical iteration number. | ||||||||
12757 | // Generated for loop is: | ||||||||
12758 | // Original_for_init; | ||||||||
12759 | // for (auto .tile.iv = .floor.iv; .tile.iv < min(.floor.iv + DimTileSize, | ||||||||
12760 | // NumIterations); ++.tile.iv) { | ||||||||
12761 | // Original_Body; | ||||||||
12762 | // Original_counter_update; | ||||||||
12763 | // } | ||||||||
12764 | // FIXME: If the innermost body is an loop itself, inserting these | ||||||||
12765 | // statements stops it being recognized as a perfectly nested loop (e.g. | ||||||||
12766 | // for applying tiling again). If this is the case, sink the expressions | ||||||||
12767 | // further into the inner loop. | ||||||||
12768 | SmallVector<Stmt *, 4> BodyParts; | ||||||||
12769 | BodyParts.append(LoopHelper.Updates.begin(), LoopHelper.Updates.end()); | ||||||||
12770 | BodyParts.push_back(Inner); | ||||||||
12771 | Inner = CompoundStmt::Create(Context, BodyParts, Inner->getBeginLoc(), | ||||||||
12772 | Inner->getEndLoc()); | ||||||||
12773 | Inner = new (Context) | ||||||||
12774 | ForStmt(Context, InitStmt.get(), CondExpr.get(), nullptr, | ||||||||
12775 | IncrStmt.get(), Inner, LoopHelper.Init->getBeginLoc(), | ||||||||
12776 | LoopHelper.Init->getBeginLoc(), LoopHelper.Inc->getEndLoc()); | ||||||||
12777 | } | ||||||||
12778 | |||||||||
12779 | // Create floor loops from the inside to the outside. | ||||||||
12780 | for (int I = NumLoops - 1; I >= 0; --I) { | ||||||||
12781 | auto &LoopHelper = LoopHelpers[I]; | ||||||||
12782 | Expr *NumIterations = LoopHelper.NumIterations; | ||||||||
12783 | DeclRefExpr *OrigCntVar = cast<DeclRefExpr>(LoopHelper.Counters[0]); | ||||||||
12784 | QualType CntTy = OrigCntVar->getType(); | ||||||||
12785 | Expr *DimTileSize = SizesClause->getSizesRefs()[I]; | ||||||||
12786 | Scope *CurScope = getCurScope(); | ||||||||
12787 | |||||||||
12788 | // Commonly used variables. | ||||||||
12789 | DeclRefExpr *FloorIV = buildDeclRefExpr(*this, FloorIndVars[I], CntTy, | ||||||||
12790 | OrigCntVar->getExprLoc()); | ||||||||
12791 | |||||||||
12792 | // For init-statement: auto .floor.iv = 0 | ||||||||
12793 | AddInitializerToDecl( | ||||||||
12794 | FloorIndVars[I], | ||||||||
12795 | ActOnIntegerConstant(LoopHelper.Init->getExprLoc(), 0).get(), | ||||||||
12796 | /*DirectInit=*/false); | ||||||||
12797 | Decl *CounterDecl = FloorIndVars[I]; | ||||||||
12798 | StmtResult InitStmt = new (Context) | ||||||||
12799 | DeclStmt(DeclGroupRef::Create(Context, &CounterDecl, 1), | ||||||||
12800 | OrigCntVar->getBeginLoc(), OrigCntVar->getEndLoc()); | ||||||||
12801 | if (!InitStmt.isUsable()) | ||||||||
12802 | return StmtError(); | ||||||||
12803 | |||||||||
12804 | // For cond-expression: .floor.iv < NumIterations | ||||||||
12805 | ExprResult CondExpr = BuildBinOp(CurScope, LoopHelper.Cond->getExprLoc(), | ||||||||
12806 | BO_LT, FloorIV, NumIterations); | ||||||||
12807 | if (!CondExpr.isUsable()) | ||||||||
12808 | return StmtError(); | ||||||||
12809 | |||||||||
12810 | // For incr-statement: .floor.iv += DimTileSize | ||||||||
12811 | ExprResult IncrStmt = BuildBinOp(CurScope, LoopHelper.Inc->getExprLoc(), | ||||||||
12812 | BO_AddAssign, FloorIV, DimTileSize); | ||||||||
12813 | if (!IncrStmt.isUsable()) | ||||||||
12814 | return StmtError(); | ||||||||
12815 | |||||||||
12816 | Inner = new (Context) | ||||||||
12817 | ForStmt(Context, InitStmt.get(), CondExpr.get(), nullptr, | ||||||||
12818 | IncrStmt.get(), Inner, LoopHelper.Init->getBeginLoc(), | ||||||||
12819 | LoopHelper.Init->getBeginLoc(), LoopHelper.Inc->getEndLoc()); | ||||||||
12820 | } | ||||||||
12821 | |||||||||
12822 | return OMPTileDirective::Create(Context, StartLoc, EndLoc, Clauses, NumLoops, | ||||||||
12823 | AStmt, Inner, | ||||||||
12824 | buildPreInits(Context, PreInits)); | ||||||||
12825 | } | ||||||||
12826 | |||||||||
12827 | StmtResult Sema::ActOnOpenMPUnrollDirective(ArrayRef<OMPClause *> Clauses, | ||||||||
12828 | Stmt *AStmt, | ||||||||
12829 | SourceLocation StartLoc, | ||||||||
12830 | SourceLocation EndLoc) { | ||||||||
12831 | // Empty statement should only be possible if there already was an error. | ||||||||
12832 | if (!AStmt) | ||||||||
12833 | return StmtError(); | ||||||||
12834 | |||||||||
12835 | if (checkMutuallyExclusiveClauses(*this, Clauses, {OMPC_partial, OMPC_full})) | ||||||||
12836 | return StmtError(); | ||||||||
12837 | |||||||||
12838 | const OMPFullClause *FullClause = | ||||||||
12839 | OMPExecutableDirective::getSingleClause<OMPFullClause>(Clauses); | ||||||||
12840 | const OMPPartialClause *PartialClause = | ||||||||
12841 | OMPExecutableDirective::getSingleClause<OMPPartialClause>(Clauses); | ||||||||
12842 | assert(!(FullClause && PartialClause) &&((void)0) | ||||||||
12843 | "mutual exclusivity must have been checked before")((void)0); | ||||||||
12844 | |||||||||
12845 | constexpr unsigned NumLoops = 1; | ||||||||
12846 | Stmt *Body = nullptr; | ||||||||
12847 | SmallVector<OMPLoopBasedDirective::HelperExprs, NumLoops> LoopHelpers( | ||||||||
12848 | NumLoops); | ||||||||
12849 | SmallVector<SmallVector<llvm::PointerUnion<Stmt *, Decl *>, 0>, NumLoops + 1> | ||||||||
12850 | OriginalInits; | ||||||||
12851 | if (!checkTransformableLoopNest(OMPD_unroll, AStmt, NumLoops, LoopHelpers, | ||||||||
12852 | Body, OriginalInits)) | ||||||||
12853 | return StmtError(); | ||||||||
12854 | |||||||||
12855 | // Delay unrolling to when template is completely instantiated. | ||||||||
12856 | if (CurContext->isDependentContext()) | ||||||||
12857 | return OMPUnrollDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, | ||||||||
12858 | nullptr, nullptr); | ||||||||
12859 | |||||||||
12860 | OMPLoopBasedDirective::HelperExprs &LoopHelper = LoopHelpers.front(); | ||||||||
12861 | |||||||||
12862 | if (FullClause) { | ||||||||
12863 | if (!VerifyPositiveIntegerConstantInClause( | ||||||||
12864 | LoopHelper.NumIterations, OMPC_full, /*StrictlyPositive=*/false, | ||||||||
12865 | /*SuppressExprDigs=*/true) | ||||||||
12866 | .isUsable()) { | ||||||||
12867 | Diag(AStmt->getBeginLoc(), diag::err_omp_unroll_full_variable_trip_count); | ||||||||
12868 | Diag(FullClause->getBeginLoc(), diag::note_omp_directive_here) | ||||||||
12869 | << "#pragma omp unroll full"; | ||||||||
12870 | return StmtError(); | ||||||||
12871 | } | ||||||||
12872 | } | ||||||||
12873 | |||||||||
12874 | // The generated loop may only be passed to other loop-associated directive | ||||||||
12875 | // when a partial clause is specified. Without the requirement it is | ||||||||
12876 | // sufficient to generate loop unroll metadata at code-generation. | ||||||||
12877 | if (!PartialClause) | ||||||||
12878 | return OMPUnrollDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, | ||||||||
12879 | nullptr, nullptr); | ||||||||
12880 | |||||||||
12881 | // Otherwise, we need to provide a de-sugared/transformed AST that can be | ||||||||
12882 | // associated with another loop directive. | ||||||||
12883 | // | ||||||||
12884 | // The canonical loop analysis return by checkTransformableLoopNest assumes | ||||||||
12885 | // the following structure to be the same loop without transformations or | ||||||||
12886 | // directives applied: \code OriginalInits; LoopHelper.PreInits; | ||||||||
12887 | // LoopHelper.Counters; | ||||||||
12888 | // for (; IV < LoopHelper.NumIterations; ++IV) { | ||||||||
12889 | // LoopHelper.Updates; | ||||||||
12890 | // Body; | ||||||||
12891 | // } | ||||||||
12892 | // \endcode | ||||||||
12893 | // where IV is a variable declared and initialized to 0 in LoopHelper.PreInits | ||||||||
12894 | // and referenced by LoopHelper.IterationVarRef. | ||||||||
12895 | // | ||||||||
12896 | // The unrolling directive transforms this into the following loop: | ||||||||
12897 | // \code | ||||||||
12898 | // OriginalInits; \ | ||||||||
12899 | // LoopHelper.PreInits; > NewPreInits | ||||||||
12900 | // LoopHelper.Counters; / | ||||||||
12901 | // for (auto UIV = 0; UIV < LoopHelper.NumIterations; UIV+=Factor) { | ||||||||
12902 | // #pragma clang loop unroll_count(Factor) | ||||||||
12903 | // for (IV = UIV; IV < UIV + Factor && UIV < LoopHelper.NumIterations; ++IV) | ||||||||
12904 | // { | ||||||||
12905 | // LoopHelper.Updates; | ||||||||
12906 | // Body; | ||||||||
12907 | // } | ||||||||
12908 | // } | ||||||||
12909 | // \endcode | ||||||||
12910 | // where UIV is a new logical iteration counter. IV must be the same VarDecl | ||||||||
12911 | // as the original LoopHelper.IterationVarRef because LoopHelper.Updates | ||||||||
12912 | // references it. If the partially unrolled loop is associated with another | ||||||||
12913 | // loop directive (like an OMPForDirective), it will use checkOpenMPLoop to | ||||||||
12914 | // analyze this loop, i.e. the outer loop must fulfill the constraints of an | ||||||||
12915 | // OpenMP canonical loop. The inner loop is not an associable canonical loop | ||||||||
12916 | // and only exists to defer its unrolling to LLVM's LoopUnroll instead of | ||||||||
12917 | // doing it in the frontend (by adding loop metadata). NewPreInits becomes a | ||||||||
12918 | // property of the OMPLoopBasedDirective instead of statements in | ||||||||
12919 | // CompoundStatement. This is to allow the loop to become a non-outermost loop | ||||||||
12920 | // of a canonical loop nest where these PreInits are emitted before the | ||||||||
12921 | // outermost directive. | ||||||||
12922 | |||||||||
12923 | // Determine the PreInit declarations. | ||||||||
12924 | SmallVector<Decl *, 4> PreInits; | ||||||||
12925 | assert(OriginalInits.size() == 1 &&((void)0) | ||||||||
12926 | "Expecting a single-dimensional loop iteration space")((void)0); | ||||||||
12927 | for (auto &P : OriginalInits[0]) { | ||||||||
12928 | if (auto *D = P.dyn_cast<Decl *>()) | ||||||||
12929 | PreInits.push_back(D); | ||||||||
12930 | else if (auto *PI = dyn_cast_or_null<DeclStmt>(P.dyn_cast<Stmt *>())) | ||||||||
12931 | PreInits.append(PI->decl_begin(), PI->decl_end()); | ||||||||
12932 | } | ||||||||
12933 | if (auto *PI = cast_or_null<DeclStmt>(LoopHelper.PreInits)) | ||||||||
12934 | PreInits.append(PI->decl_begin(), PI->decl_end()); | ||||||||
12935 | // Gather declarations for the data members used as counters. | ||||||||
12936 | for (Expr *CounterRef : LoopHelper.Counters) { | ||||||||
12937 | auto *CounterDecl = cast<DeclRefExpr>(CounterRef)->getDecl(); | ||||||||
12938 | if (isa<OMPCapturedExprDecl>(CounterDecl)) | ||||||||
12939 | PreInits.push_back(CounterDecl); | ||||||||
12940 | } | ||||||||
12941 | |||||||||
12942 | auto *IterationVarRef = cast<DeclRefExpr>(LoopHelper.IterationVarRef); | ||||||||
12943 | QualType IVTy = IterationVarRef->getType(); | ||||||||
12944 | assert(LoopHelper.Counters.size() == 1 &&((void)0) | ||||||||
12945 | "Expecting a single-dimensional loop iteration space")((void)0); | ||||||||
12946 | auto *OrigVar = cast<DeclRefExpr>(LoopHelper.Counters.front()); | ||||||||
12947 | |||||||||
12948 | // Determine the unroll factor. | ||||||||
12949 | uint64_t Factor; | ||||||||
12950 | SourceLocation FactorLoc; | ||||||||
12951 | if (Expr *FactorVal = PartialClause->getFactor()) { | ||||||||
12952 | Factor = | ||||||||
12953 | FactorVal->getIntegerConstantExpr(Context).getValue().getZExtValue(); | ||||||||
12954 | FactorLoc = FactorVal->getExprLoc(); | ||||||||
12955 | } else { | ||||||||
12956 | // TODO: Use a better profitability model. | ||||||||
12957 | Factor = 2; | ||||||||
12958 | } | ||||||||
12959 | assert(Factor > 0 && "Expected positive unroll factor")((void)0); | ||||||||
12960 | auto MakeFactorExpr = [this, Factor, IVTy, FactorLoc]() { | ||||||||
12961 | return IntegerLiteral::Create( | ||||||||
12962 | Context, llvm::APInt(Context.getIntWidth(IVTy), Factor), IVTy, | ||||||||
12963 | FactorLoc); | ||||||||
12964 | }; | ||||||||
12965 | |||||||||
12966 | // Iteration variable SourceLocations. | ||||||||
12967 | SourceLocation OrigVarLoc = OrigVar->getExprLoc(); | ||||||||
12968 | SourceLocation OrigVarLocBegin = OrigVar->getBeginLoc(); | ||||||||
12969 | SourceLocation OrigVarLocEnd = OrigVar->getEndLoc(); | ||||||||
12970 | |||||||||
12971 | // Internal variable names. | ||||||||
12972 | std::string OrigVarName = OrigVar->getNameInfo().getAsString(); | ||||||||
12973 | std::string OuterIVName = (Twine(".unrolled.iv.") + OrigVarName).str(); | ||||||||
12974 | std::string InnerIVName = (Twine(".unroll_inner.iv.") + OrigVarName).str(); | ||||||||
12975 | std::string InnerTripCountName = | ||||||||
12976 | (Twine(".unroll_inner.tripcount.") + OrigVarName).str(); | ||||||||
12977 | |||||||||
12978 | // Create the iteration variable for the unrolled loop. | ||||||||
12979 | VarDecl *OuterIVDecl = | ||||||||
12980 | buildVarDecl(*this, {}, IVTy, OuterIVName, nullptr, OrigVar); | ||||||||
12981 | auto MakeOuterRef = [this, OuterIVDecl, IVTy, OrigVarLoc]() { | ||||||||
12982 | return buildDeclRefExpr(*this, OuterIVDecl, IVTy, OrigVarLoc); | ||||||||
12983 | }; | ||||||||
12984 | |||||||||
12985 | // Iteration variable for the inner loop: Reuse the iteration variable created | ||||||||
12986 | // by checkOpenMPLoop. | ||||||||
12987 | auto *InnerIVDecl = cast<VarDecl>(IterationVarRef->getDecl()); | ||||||||
12988 | InnerIVDecl->setDeclName(&PP.getIdentifierTable().get(InnerIVName)); | ||||||||
12989 | auto MakeInnerRef = [this, InnerIVDecl, IVTy, OrigVarLoc]() { | ||||||||
12990 | return buildDeclRefExpr(*this, InnerIVDecl, IVTy, OrigVarLoc); | ||||||||
12991 | }; | ||||||||
12992 | |||||||||
12993 | // Make a copy of the NumIterations expression for each use: By the AST | ||||||||
12994 | // constraints, every expression object in a DeclContext must be unique. | ||||||||
12995 | CaptureVars CopyTransformer(*this); | ||||||||
12996 | auto MakeNumIterations = [&CopyTransformer, &LoopHelper]() -> Expr * { | ||||||||
12997 | return AssertSuccess( | ||||||||
12998 | CopyTransformer.TransformExpr(LoopHelper.NumIterations)); | ||||||||
12999 | }; | ||||||||
13000 | |||||||||
13001 | // Inner For init-statement: auto .unroll_inner.iv = .unrolled.iv | ||||||||
13002 | ExprResult LValueConv = DefaultLvalueConversion(MakeOuterRef()); | ||||||||
13003 | AddInitializerToDecl(InnerIVDecl, LValueConv.get(), /*DirectInit=*/false); | ||||||||
13004 | StmtResult InnerInit = new (Context) | ||||||||
13005 | DeclStmt(DeclGroupRef(InnerIVDecl), OrigVarLocBegin, OrigVarLocEnd); | ||||||||
13006 | if (!InnerInit.isUsable()) | ||||||||
13007 | return StmtError(); | ||||||||
13008 | |||||||||
13009 | // Inner For cond-expression: | ||||||||
13010 | // \code | ||||||||
13011 | // .unroll_inner.iv < .unrolled.iv + Factor && | ||||||||
13012 | // .unroll_inner.iv < NumIterations | ||||||||
13013 | // \endcode | ||||||||
13014 | // This conjunction of two conditions allows ScalarEvolution to derive the | ||||||||
13015 | // maximum trip count of the inner loop. | ||||||||
13016 | ExprResult EndOfTile = BuildBinOp(CurScope, LoopHelper.Cond->getExprLoc(), | ||||||||
13017 | BO_Add, MakeOuterRef(), MakeFactorExpr()); | ||||||||
13018 | if (!EndOfTile.isUsable()) | ||||||||
13019 | return StmtError(); | ||||||||
13020 | ExprResult InnerCond1 = BuildBinOp(CurScope, LoopHelper.Cond->getExprLoc(), | ||||||||
13021 | BO_LE, MakeInnerRef(), EndOfTile.get()); | ||||||||
13022 | if (!InnerCond1.isUsable()) | ||||||||
13023 | return StmtError(); | ||||||||
13024 | ExprResult InnerCond2 = | ||||||||
13025 | BuildBinOp(CurScope, LoopHelper.Cond->getExprLoc(), BO_LE, MakeInnerRef(), | ||||||||
13026 | MakeNumIterations()); | ||||||||
13027 | if (!InnerCond2.isUsable()) | ||||||||
13028 | return StmtError(); | ||||||||
13029 | ExprResult InnerCond = | ||||||||
13030 | BuildBinOp(CurScope, LoopHelper.Cond->getExprLoc(), BO_LAnd, | ||||||||
13031 | InnerCond1.get(), InnerCond2.get()); | ||||||||
13032 | if (!InnerCond.isUsable()) | ||||||||
13033 | return StmtError(); | ||||||||
13034 | |||||||||
13035 | // Inner For incr-statement: ++.unroll_inner.iv | ||||||||
13036 | ExprResult InnerIncr = BuildUnaryOp(CurScope, LoopHelper.Inc->getExprLoc(), | ||||||||
13037 | UO_PreInc, MakeInnerRef()); | ||||||||
13038 | if (!InnerIncr.isUsable()) | ||||||||
13039 | return StmtError(); | ||||||||
13040 | |||||||||
13041 | // Inner For statement. | ||||||||
13042 | SmallVector<Stmt *> InnerBodyStmts; | ||||||||
13043 | InnerBodyStmts.append(LoopHelper.Updates.begin(), LoopHelper.Updates.end()); | ||||||||
13044 | InnerBodyStmts.push_back(Body); | ||||||||
13045 | CompoundStmt *InnerBody = CompoundStmt::Create( | ||||||||
13046 | Context, InnerBodyStmts, Body->getBeginLoc(), Body->getEndLoc()); | ||||||||
13047 | ForStmt *InnerFor = new (Context) | ||||||||
13048 | ForStmt(Context, InnerInit.get(), InnerCond.get(), nullptr, | ||||||||
13049 | InnerIncr.get(), InnerBody, LoopHelper.Init->getBeginLoc(), | ||||||||
13050 | LoopHelper.Init->getBeginLoc(), LoopHelper.Inc->getEndLoc()); | ||||||||
13051 | |||||||||
13052 | // Unroll metadata for the inner loop. | ||||||||
13053 | // This needs to take into account the remainder portion of the unrolled loop, | ||||||||
13054 | // hence `unroll(full)` does not apply here, even though the LoopUnroll pass | ||||||||
13055 | // supports multiple loop exits. Instead, unroll using a factor equivalent to | ||||||||
13056 | // the maximum trip count, which will also generate a remainder loop. Just | ||||||||
13057 | // `unroll(enable)` (which could have been useful if the user has not | ||||||||
13058 | // specified a concrete factor; even though the outer loop cannot be | ||||||||
13059 | // influenced anymore, would avoid more code bloat than necessary) will refuse | ||||||||
13060 | // the loop because "Won't unroll; remainder loop could not be generated when | ||||||||
13061 | // assuming runtime trip count". Even if it did work, it must not choose a | ||||||||
13062 | // larger unroll factor than the maximum loop length, or it would always just | ||||||||
13063 | // execute the remainder loop. | ||||||||
13064 | LoopHintAttr *UnrollHintAttr = | ||||||||
13065 | LoopHintAttr::CreateImplicit(Context, LoopHintAttr::UnrollCount, | ||||||||
13066 | LoopHintAttr::Numeric, MakeFactorExpr()); | ||||||||
13067 | AttributedStmt *InnerUnrolled = | ||||||||
13068 | AttributedStmt::Create(Context, StartLoc, {UnrollHintAttr}, InnerFor); | ||||||||
13069 | |||||||||
13070 | // Outer For init-statement: auto .unrolled.iv = 0 | ||||||||
13071 | AddInitializerToDecl( | ||||||||
13072 | OuterIVDecl, ActOnIntegerConstant(LoopHelper.Init->getExprLoc(), 0).get(), | ||||||||
13073 | /*DirectInit=*/false); | ||||||||
13074 | StmtResult OuterInit = new (Context) | ||||||||
13075 | DeclStmt(DeclGroupRef(OuterIVDecl), OrigVarLocBegin, OrigVarLocEnd); | ||||||||
13076 | if (!OuterInit.isUsable()) | ||||||||
13077 | return StmtError(); | ||||||||
13078 | |||||||||
13079 | // Outer For cond-expression: .unrolled.iv < NumIterations | ||||||||
13080 | ExprResult OuterConde = | ||||||||
13081 | BuildBinOp(CurScope, LoopHelper.Cond->getExprLoc(), BO_LT, MakeOuterRef(), | ||||||||
13082 | MakeNumIterations()); | ||||||||
13083 | if (!OuterConde.isUsable()) | ||||||||
13084 | return StmtError(); | ||||||||
13085 | |||||||||
13086 | // Outer For incr-statement: .unrolled.iv += Factor | ||||||||
13087 | ExprResult OuterIncr = | ||||||||
13088 | BuildBinOp(CurScope, LoopHelper.Inc->getExprLoc(), BO_AddAssign, | ||||||||
13089 | MakeOuterRef(), MakeFactorExpr()); | ||||||||
13090 | if (!OuterIncr.isUsable()) | ||||||||
13091 | return StmtError(); | ||||||||
13092 | |||||||||
13093 | // Outer For statement. | ||||||||
13094 | ForStmt *OuterFor = new (Context) | ||||||||
13095 | ForStmt(Context, OuterInit.get(), OuterConde.get(), nullptr, | ||||||||
13096 | OuterIncr.get(), InnerUnrolled, LoopHelper.Init->getBeginLoc(), | ||||||||
13097 | LoopHelper.Init->getBeginLoc(), LoopHelper.Inc->getEndLoc()); | ||||||||
13098 | |||||||||
13099 | return OMPUnrollDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, | ||||||||
13100 | OuterFor, buildPreInits(Context, PreInits)); | ||||||||
13101 | } | ||||||||
13102 | |||||||||
13103 | OMPClause *Sema::ActOnOpenMPSingleExprClause(OpenMPClauseKind Kind, Expr *Expr, | ||||||||
13104 | SourceLocation StartLoc, | ||||||||
13105 | SourceLocation LParenLoc, | ||||||||
13106 | SourceLocation EndLoc) { | ||||||||
13107 | OMPClause *Res = nullptr; | ||||||||
13108 | switch (Kind) { | ||||||||
13109 | case OMPC_final: | ||||||||
13110 | Res = ActOnOpenMPFinalClause(Expr, StartLoc, LParenLoc, EndLoc); | ||||||||
13111 | break; | ||||||||
13112 | case OMPC_num_threads: | ||||||||
13113 | Res = ActOnOpenMPNumThreadsClause(Expr, StartLoc, LParenLoc, EndLoc); | ||||||||
13114 | break; | ||||||||
13115 | case OMPC_safelen: | ||||||||
13116 | Res = ActOnOpenMPSafelenClause(Expr, StartLoc, LParenLoc, EndLoc); | ||||||||
13117 | break; | ||||||||
13118 | case OMPC_simdlen: | ||||||||
13119 | Res = ActOnOpenMPSimdlenClause(Expr, StartLoc, LParenLoc, EndLoc); | ||||||||
13120 | break; | ||||||||
13121 | case OMPC_allocator: | ||||||||
13122 | Res = ActOnOpenMPAllocatorClause(Expr, StartLoc, LParenLoc, EndLoc); | ||||||||
13123 | break; | ||||||||
13124 | case OMPC_collapse: | ||||||||
13125 | Res = ActOnOpenMPCollapseClause(Expr, StartLoc, LParenLoc, EndLoc); | ||||||||
13126 | break; | ||||||||
13127 | case OMPC_ordered: | ||||||||
13128 | Res = ActOnOpenMPOrderedClause(StartLoc, EndLoc, LParenLoc, Expr); | ||||||||
13129 | break; | ||||||||
13130 | case OMPC_num_teams: | ||||||||
13131 | Res = ActOnOpenMPNumTeamsClause(Expr, StartLoc, LParenLoc, EndLoc); | ||||||||
13132 | break; | ||||||||
13133 | case OMPC_thread_limit: | ||||||||
13134 | Res = ActOnOpenMPThreadLimitClause(Expr, StartLoc, LParenLoc, EndLoc); | ||||||||
13135 | break; | ||||||||
13136 | case OMPC_priority: | ||||||||
13137 | Res = ActOnOpenMPPriorityClause(Expr, StartLoc, LParenLoc, EndLoc); | ||||||||
13138 | break; | ||||||||
13139 | case OMPC_grainsize: | ||||||||
13140 | Res = ActOnOpenMPGrainsizeClause(Expr, StartLoc, LParenLoc, EndLoc); | ||||||||
13141 | break; | ||||||||
13142 | case OMPC_num_tasks: | ||||||||
13143 | Res = ActOnOpenMPNumTasksClause(Expr, StartLoc, LParenLoc, EndLoc); | ||||||||
13144 | break; | ||||||||
13145 | case OMPC_hint: | ||||||||
13146 | Res = ActOnOpenMPHintClause(Expr, StartLoc, LParenLoc, EndLoc); | ||||||||
13147 | break; | ||||||||
13148 | case OMPC_depobj: | ||||||||
13149 | Res = ActOnOpenMPDepobjClause(Expr, StartLoc, LParenLoc, EndLoc); | ||||||||
13150 | break; | ||||||||
13151 | case OMPC_detach: | ||||||||
13152 | Res = ActOnOpenMPDetachClause(Expr, StartLoc, LParenLoc, EndLoc); | ||||||||
13153 | break; | ||||||||
13154 | case OMPC_novariants: | ||||||||
13155 | Res = ActOnOpenMPNovariantsClause(Expr, StartLoc, LParenLoc, EndLoc); | ||||||||
13156 | break; | ||||||||
13157 | case OMPC_nocontext: | ||||||||
13158 | Res = ActOnOpenMPNocontextClause(Expr, StartLoc, LParenLoc, EndLoc); | ||||||||
13159 | break; | ||||||||
13160 | case OMPC_filter: | ||||||||
13161 | Res = ActOnOpenMPFilterClause(Expr, StartLoc, LParenLoc, EndLoc); | ||||||||
13162 | break; | ||||||||
13163 | case OMPC_partial: | ||||||||
13164 | Res = ActOnOpenMPPartialClause(Expr, StartLoc, LParenLoc, EndLoc); | ||||||||
13165 | break; | ||||||||
13166 | case OMPC_device: | ||||||||
13167 | case OMPC_if: | ||||||||
13168 | case OMPC_default: | ||||||||
13169 | case OMPC_proc_bind: | ||||||||
13170 | case OMPC_schedule: | ||||||||
13171 | case OMPC_private: | ||||||||
13172 | case OMPC_firstprivate: | ||||||||
13173 | case OMPC_lastprivate: | ||||||||
13174 | case OMPC_shared: | ||||||||
13175 | case OMPC_reduction: | ||||||||
13176 | case OMPC_task_reduction: | ||||||||
13177 | case OMPC_in_reduction: | ||||||||
13178 | case OMPC_linear: | ||||||||
13179 | case OMPC_aligned: | ||||||||
13180 | case OMPC_copyin: | ||||||||
13181 | case OMPC_copyprivate: | ||||||||
13182 | case OMPC_nowait: | ||||||||
13183 | case OMPC_untied: | ||||||||
13184 | case OMPC_mergeable: | ||||||||
13185 | case OMPC_threadprivate: | ||||||||
13186 | case OMPC_sizes: | ||||||||
13187 | case OMPC_allocate: | ||||||||
13188 | case OMPC_flush: | ||||||||
13189 | case OMPC_read: | ||||||||
13190 | case OMPC_write: | ||||||||
13191 | case OMPC_update: | ||||||||
13192 | case OMPC_capture: | ||||||||
13193 | case OMPC_seq_cst: | ||||||||
13194 | case OMPC_acq_rel: | ||||||||
13195 | case OMPC_acquire: | ||||||||
13196 | case OMPC_release: | ||||||||
13197 | case OMPC_relaxed: | ||||||||
13198 | case OMPC_depend: | ||||||||
13199 | case OMPC_threads: | ||||||||
13200 | case OMPC_simd: | ||||||||
13201 | case OMPC_map: | ||||||||
13202 | case OMPC_nogroup: | ||||||||
13203 | case OMPC_dist_schedule: | ||||||||
13204 | case OMPC_defaultmap: | ||||||||
13205 | case OMPC_unknown: | ||||||||
13206 | case OMPC_uniform: | ||||||||
13207 | case OMPC_to: | ||||||||
13208 | case OMPC_from: | ||||||||
13209 | case OMPC_use_device_ptr: | ||||||||
13210 | case OMPC_use_device_addr: | ||||||||
13211 | case OMPC_is_device_ptr: | ||||||||
13212 | case OMPC_unified_address: | ||||||||
13213 | case OMPC_unified_shared_memory: | ||||||||
13214 | case OMPC_reverse_offload: | ||||||||
13215 | case OMPC_dynamic_allocators: | ||||||||
13216 | case OMPC_atomic_default_mem_order: | ||||||||
13217 | case OMPC_device_type: | ||||||||
13218 | case OMPC_match: | ||||||||
13219 | case OMPC_nontemporal: | ||||||||
13220 | case OMPC_order: | ||||||||
13221 | case OMPC_destroy: | ||||||||
13222 | case OMPC_inclusive: | ||||||||
13223 | case OMPC_exclusive: | ||||||||
13224 | case OMPC_uses_allocators: | ||||||||
13225 | case OMPC_affinity: | ||||||||
13226 | default: | ||||||||
13227 | llvm_unreachable("Clause is not allowed.")__builtin_unreachable(); | ||||||||
13228 | } | ||||||||
13229 | return Res; | ||||||||
13230 | } | ||||||||
13231 | |||||||||
13232 | // An OpenMP directive such as 'target parallel' has two captured regions: | ||||||||
13233 | // for the 'target' and 'parallel' respectively. This function returns | ||||||||
13234 | // the region in which to capture expressions associated with a clause. | ||||||||
13235 | // A return value of OMPD_unknown signifies that the expression should not | ||||||||
13236 | // be captured. | ||||||||
13237 | static OpenMPDirectiveKind getOpenMPCaptureRegionForClause( | ||||||||
13238 | OpenMPDirectiveKind DKind, OpenMPClauseKind CKind, unsigned OpenMPVersion, | ||||||||
13239 | OpenMPDirectiveKind NameModifier = OMPD_unknown) { | ||||||||
13240 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; | ||||||||
13241 | switch (CKind) { | ||||||||
13242 | case OMPC_if: | ||||||||
13243 | switch (DKind) { | ||||||||
13244 | case OMPD_target_parallel_for_simd: | ||||||||
13245 | if (OpenMPVersion >= 50 && | ||||||||
13246 | (NameModifier == OMPD_unknown || NameModifier == OMPD_simd)) { | ||||||||
13247 | CaptureRegion = OMPD_parallel; | ||||||||
13248 | break; | ||||||||
13249 | } | ||||||||
13250 | LLVM_FALLTHROUGH[[gnu::fallthrough]]; | ||||||||
13251 | case OMPD_target_parallel: | ||||||||
13252 | case OMPD_target_parallel_for: | ||||||||
13253 | // If this clause applies to the nested 'parallel' region, capture within | ||||||||
13254 | // the 'target' region, otherwise do not capture. | ||||||||
13255 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_parallel) | ||||||||
13256 | CaptureRegion = OMPD_target; | ||||||||
13257 | break; | ||||||||
13258 | case OMPD_target_teams_distribute_parallel_for_simd: | ||||||||
13259 | if (OpenMPVersion >= 50 && | ||||||||
13260 | (NameModifier == OMPD_unknown || NameModifier == OMPD_simd)) { | ||||||||
13261 | CaptureRegion = OMPD_parallel; | ||||||||
13262 | break; | ||||||||
13263 | } | ||||||||
13264 | LLVM_FALLTHROUGH[[gnu::fallthrough]]; | ||||||||
13265 | case OMPD_target_teams_distribute_parallel_for: | ||||||||
13266 | // If this clause applies to the nested 'parallel' region, capture within | ||||||||
13267 | // the 'teams' region, otherwise do not capture. | ||||||||
13268 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_parallel) | ||||||||
13269 | CaptureRegion = OMPD_teams; | ||||||||
13270 | break; | ||||||||
13271 | case OMPD_teams_distribute_parallel_for_simd: | ||||||||
13272 | if (OpenMPVersion >= 50 && | ||||||||
13273 | (NameModifier == OMPD_unknown || NameModifier == OMPD_simd)) { | ||||||||
13274 | CaptureRegion = OMPD_parallel; | ||||||||
13275 | break; | ||||||||
13276 | } | ||||||||
13277 | LLVM_FALLTHROUGH[[gnu::fallthrough]]; | ||||||||
13278 | case OMPD_teams_distribute_parallel_for: | ||||||||
13279 | CaptureRegion = OMPD_teams; | ||||||||
13280 | break; | ||||||||
13281 | case OMPD_target_update: | ||||||||
13282 | case OMPD_target_enter_data: | ||||||||
13283 | case OMPD_target_exit_data: | ||||||||
13284 | CaptureRegion = OMPD_task; | ||||||||
13285 | break; | ||||||||
13286 | case OMPD_parallel_master_taskloop: | ||||||||
13287 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_taskloop) | ||||||||
13288 | CaptureRegion = OMPD_parallel; | ||||||||
13289 | break; | ||||||||
13290 | case OMPD_parallel_master_taskloop_simd: | ||||||||
13291 | if ((OpenMPVersion <= 45 && NameModifier == OMPD_unknown) || | ||||||||
13292 | NameModifier == OMPD_taskloop) { | ||||||||
13293 | CaptureRegion = OMPD_parallel; | ||||||||
13294 | break; | ||||||||
13295 | } | ||||||||
13296 | if (OpenMPVersion <= 45) | ||||||||
13297 | break; | ||||||||
13298 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_simd) | ||||||||
13299 | CaptureRegion = OMPD_taskloop; | ||||||||
13300 | break; | ||||||||
13301 | case OMPD_parallel_for_simd: | ||||||||
13302 | if (OpenMPVersion <= 45) | ||||||||
13303 | break; | ||||||||
13304 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_simd) | ||||||||
13305 | CaptureRegion = OMPD_parallel; | ||||||||
13306 | break; | ||||||||
13307 | case OMPD_taskloop_simd: | ||||||||
13308 | case OMPD_master_taskloop_simd: | ||||||||
13309 | if (OpenMPVersion <= 45) | ||||||||
13310 | break; | ||||||||
13311 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_simd) | ||||||||
13312 | CaptureRegion = OMPD_taskloop; | ||||||||
13313 | break; | ||||||||
13314 | case OMPD_distribute_parallel_for_simd: | ||||||||
13315 | if (OpenMPVersion <= 45) | ||||||||
13316 | break; | ||||||||
13317 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_simd) | ||||||||
13318 | CaptureRegion = OMPD_parallel; | ||||||||
13319 | break; | ||||||||
13320 | case OMPD_target_simd: | ||||||||
13321 | if (OpenMPVersion >= 50 && | ||||||||
13322 | (NameModifier == OMPD_unknown || NameModifier == OMPD_simd)) | ||||||||
13323 | CaptureRegion = OMPD_target; | ||||||||
13324 | break; | ||||||||
13325 | case OMPD_teams_distribute_simd: | ||||||||
13326 | case OMPD_target_teams_distribute_simd: | ||||||||
13327 | if (OpenMPVersion >= 50 && | ||||||||
13328 | (NameModifier == OMPD_unknown || NameModifier == OMPD_simd)) | ||||||||
13329 | CaptureRegion = OMPD_teams; | ||||||||
13330 | break; | ||||||||
13331 | case OMPD_cancel: | ||||||||
13332 | case OMPD_parallel: | ||||||||
13333 | case OMPD_parallel_master: | ||||||||
13334 | case OMPD_parallel_sections: | ||||||||
13335 | case OMPD_parallel_for: | ||||||||
13336 | case OMPD_target: | ||||||||
13337 | case OMPD_target_teams: | ||||||||
13338 | case OMPD_target_teams_distribute: | ||||||||
13339 | case OMPD_distribute_parallel_for: | ||||||||
13340 | case OMPD_task: | ||||||||
13341 | case OMPD_taskloop: | ||||||||
13342 | case OMPD_master_taskloop: | ||||||||
13343 | case OMPD_target_data: | ||||||||
13344 | case OMPD_simd: | ||||||||
13345 | case OMPD_for_simd: | ||||||||
13346 | case OMPD_distribute_simd: | ||||||||
13347 | // Do not capture if-clause expressions. | ||||||||
13348 | break; | ||||||||
13349 | case OMPD_threadprivate: | ||||||||
13350 | case OMPD_allocate: | ||||||||
13351 | case OMPD_taskyield: | ||||||||
13352 | case OMPD_barrier: | ||||||||
13353 | case OMPD_taskwait: | ||||||||
13354 | case OMPD_cancellation_point: | ||||||||
13355 | case OMPD_flush: | ||||||||
13356 | case OMPD_depobj: | ||||||||
13357 | case OMPD_scan: | ||||||||
13358 | case OMPD_declare_reduction: | ||||||||
13359 | case OMPD_declare_mapper: | ||||||||
13360 | case OMPD_declare_simd: | ||||||||
13361 | case OMPD_declare_variant: | ||||||||
13362 | case OMPD_begin_declare_variant: | ||||||||
13363 | case OMPD_end_declare_variant: | ||||||||
13364 | case OMPD_declare_target: | ||||||||
13365 | case OMPD_end_declare_target: | ||||||||
13366 | case OMPD_teams: | ||||||||
13367 | case OMPD_tile: | ||||||||
13368 | case OMPD_unroll: | ||||||||
13369 | case OMPD_for: | ||||||||
13370 | case OMPD_sections: | ||||||||
13371 | case OMPD_section: | ||||||||
13372 | case OMPD_single: | ||||||||
13373 | case OMPD_master: | ||||||||
13374 | case OMPD_masked: | ||||||||
13375 | case OMPD_critical: | ||||||||
13376 | case OMPD_taskgroup: | ||||||||
13377 | case OMPD_distribute: | ||||||||
13378 | case OMPD_ordered: | ||||||||
13379 | case OMPD_atomic: | ||||||||
13380 | case OMPD_teams_distribute: | ||||||||
13381 | case OMPD_requires: | ||||||||
13382 | llvm_unreachable("Unexpected OpenMP directive with if-clause")__builtin_unreachable(); | ||||||||
13383 | case OMPD_unknown: | ||||||||
13384 | default: | ||||||||
13385 | llvm_unreachable("Unknown OpenMP directive")__builtin_unreachable(); | ||||||||
13386 | } | ||||||||
13387 | break; | ||||||||
13388 | case OMPC_num_threads: | ||||||||
13389 | switch (DKind) { | ||||||||
13390 | case OMPD_target_parallel: | ||||||||
13391 | case OMPD_target_parallel_for: | ||||||||
13392 | case OMPD_target_parallel_for_simd: | ||||||||
13393 | CaptureRegion = OMPD_target; | ||||||||
13394 | break; | ||||||||
13395 | case OMPD_teams_distribute_parallel_for: | ||||||||
13396 | case OMPD_teams_distribute_parallel_for_simd: | ||||||||
13397 | case OMPD_target_teams_distribute_parallel_for: | ||||||||
13398 | case OMPD_target_teams_distribute_parallel_for_simd: | ||||||||
13399 | CaptureRegion = OMPD_teams; | ||||||||
13400 | break; | ||||||||
13401 | case OMPD_parallel: | ||||||||
13402 | case OMPD_parallel_master: | ||||||||
13403 | case OMPD_parallel_sections: | ||||||||
13404 | case OMPD_parallel_for: | ||||||||
13405 | case OMPD_parallel_for_simd: | ||||||||
13406 | case OMPD_distribute_parallel_for: | ||||||||
13407 | case OMPD_distribute_parallel_for_simd: | ||||||||
13408 | case OMPD_parallel_master_taskloop: | ||||||||
13409 | case OMPD_parallel_master_taskloop_simd: | ||||||||
13410 | // Do not capture num_threads-clause expressions. | ||||||||
13411 | break; | ||||||||
13412 | case OMPD_target_data: | ||||||||
13413 | case OMPD_target_enter_data: | ||||||||
13414 | case OMPD_target_exit_data: | ||||||||
13415 | case OMPD_target_update: | ||||||||
13416 | case OMPD_target: | ||||||||
13417 | case OMPD_target_simd: | ||||||||
13418 | case OMPD_target_teams: | ||||||||
13419 | case OMPD_target_teams_distribute: | ||||||||
13420 | case OMPD_target_teams_distribute_simd: | ||||||||
13421 | case OMPD_cancel: | ||||||||
13422 | case OMPD_task: | ||||||||
13423 | case OMPD_taskloop: | ||||||||
13424 | case OMPD_taskloop_simd: | ||||||||
13425 | case OMPD_master_taskloop: | ||||||||
13426 | case OMPD_master_taskloop_simd: | ||||||||
13427 | case OMPD_threadprivate: | ||||||||
13428 | case OMPD_allocate: | ||||||||
13429 | case OMPD_taskyield: | ||||||||
13430 | case OMPD_barrier: | ||||||||
13431 | case OMPD_taskwait: | ||||||||
13432 | case OMPD_cancellation_point: | ||||||||
13433 | case OMPD_flush: | ||||||||
13434 | case OMPD_depobj: | ||||||||
13435 | case OMPD_scan: | ||||||||
13436 | case OMPD_declare_reduction: | ||||||||
13437 | case OMPD_declare_mapper: | ||||||||
13438 | case OMPD_declare_simd: | ||||||||
13439 | case OMPD_declare_variant: | ||||||||
13440 | case OMPD_begin_declare_variant: | ||||||||
13441 | case OMPD_end_declare_variant: | ||||||||
13442 | case OMPD_declare_target: | ||||||||
13443 | case OMPD_end_declare_target: | ||||||||
13444 | case OMPD_teams: | ||||||||
13445 | case OMPD_simd: | ||||||||
13446 | case OMPD_tile: | ||||||||
13447 | case OMPD_unroll: | ||||||||
13448 | case OMPD_for: | ||||||||
13449 | case OMPD_for_simd: | ||||||||
13450 | case OMPD_sections: | ||||||||
13451 | case OMPD_section: | ||||||||
13452 | case OMPD_single: | ||||||||
13453 | case OMPD_master: | ||||||||
13454 | case OMPD_masked: | ||||||||
13455 | case OMPD_critical: | ||||||||
13456 | case OMPD_taskgroup: | ||||||||
13457 | case OMPD_distribute: | ||||||||
13458 | case OMPD_ordered: | ||||||||
13459 | case OMPD_atomic: | ||||||||
13460 | case OMPD_distribute_simd: | ||||||||
13461 | case OMPD_teams_distribute: | ||||||||
13462 | case OMPD_teams_distribute_simd: | ||||||||
13463 | case OMPD_requires: | ||||||||
13464 | llvm_unreachable("Unexpected OpenMP directive with num_threads-clause")__builtin_unreachable(); | ||||||||
13465 | case OMPD_unknown: | ||||||||
13466 | default: | ||||||||
13467 | llvm_unreachable("Unknown OpenMP directive")__builtin_unreachable(); | ||||||||
13468 | } | ||||||||
13469 | break; | ||||||||
13470 | case OMPC_num_teams: | ||||||||
13471 | switch (DKind) { | ||||||||
13472 | case OMPD_target_teams: | ||||||||
13473 | case OMPD_target_teams_distribute: | ||||||||
13474 | case OMPD_target_teams_distribute_simd: | ||||||||
13475 | case OMPD_target_teams_distribute_parallel_for: | ||||||||
13476 | case OMPD_target_teams_distribute_parallel_for_simd: | ||||||||
13477 | CaptureRegion = OMPD_target; | ||||||||
13478 | break; | ||||||||
13479 | case OMPD_teams_distribute_parallel_for: | ||||||||
13480 | case OMPD_teams_distribute_parallel_for_simd: | ||||||||
13481 | case OMPD_teams: | ||||||||
13482 | case OMPD_teams_distribute: | ||||||||
13483 | case OMPD_teams_distribute_simd: | ||||||||
13484 | // Do not capture num_teams-clause expressions. | ||||||||
13485 | break; | ||||||||
13486 | case OMPD_distribute_parallel_for: | ||||||||
13487 | case OMPD_distribute_parallel_for_simd: | ||||||||
13488 | case OMPD_task: | ||||||||
13489 | case OMPD_taskloop: | ||||||||
13490 | case OMPD_taskloop_simd: | ||||||||
13491 | case OMPD_master_taskloop: | ||||||||
13492 | case OMPD_master_taskloop_simd: | ||||||||
13493 | case OMPD_parallel_master_taskloop: | ||||||||
13494 | case OMPD_parallel_master_taskloop_simd: | ||||||||
13495 | case OMPD_target_data: | ||||||||
13496 | case OMPD_target_enter_data: | ||||||||
13497 | case OMPD_target_exit_data: | ||||||||
13498 | case OMPD_target_update: | ||||||||
13499 | case OMPD_cancel: | ||||||||
13500 | case OMPD_parallel: | ||||||||
13501 | case OMPD_parallel_master: | ||||||||
13502 | case OMPD_parallel_sections: | ||||||||
13503 | case OMPD_parallel_for: | ||||||||
13504 | case OMPD_parallel_for_simd: | ||||||||
13505 | case OMPD_target: | ||||||||
13506 | case OMPD_target_simd: | ||||||||
13507 | case OMPD_target_parallel: | ||||||||
13508 | case OMPD_target_parallel_for: | ||||||||
13509 | case OMPD_target_parallel_for_simd: | ||||||||
13510 | case OMPD_threadprivate: | ||||||||
13511 | case OMPD_allocate: | ||||||||
13512 | case OMPD_taskyield: | ||||||||
13513 | case OMPD_barrier: | ||||||||
13514 | case OMPD_taskwait: | ||||||||
13515 | case OMPD_cancellation_point: | ||||||||
13516 | case OMPD_flush: | ||||||||
13517 | case OMPD_depobj: | ||||||||
13518 | case OMPD_scan: | ||||||||
13519 | case OMPD_declare_reduction: | ||||||||
13520 | case OMPD_declare_mapper: | ||||||||
13521 | case OMPD_declare_simd: | ||||||||
13522 | case OMPD_declare_variant: | ||||||||
13523 | case OMPD_begin_declare_variant: | ||||||||
13524 | case OMPD_end_declare_variant: | ||||||||
13525 | case OMPD_declare_target: | ||||||||
13526 | case OMPD_end_declare_target: | ||||||||
13527 | case OMPD_simd: | ||||||||
13528 | case OMPD_tile: | ||||||||
13529 | case OMPD_unroll: | ||||||||
13530 | case OMPD_for: | ||||||||
13531 | case OMPD_for_simd: | ||||||||
13532 | case OMPD_sections: | ||||||||
13533 | case OMPD_section: | ||||||||
13534 | case OMPD_single: | ||||||||
13535 | case OMPD_master: | ||||||||
13536 | case OMPD_masked: | ||||||||
13537 | case OMPD_critical: | ||||||||
13538 | case OMPD_taskgroup: | ||||||||
13539 | case OMPD_distribute: | ||||||||
13540 | case OMPD_ordered: | ||||||||
13541 | case OMPD_atomic: | ||||||||
13542 | case OMPD_distribute_simd: | ||||||||
13543 | case OMPD_requires: | ||||||||
13544 | llvm_unreachable("Unexpected OpenMP directive with num_teams-clause")__builtin_unreachable(); | ||||||||
13545 | case OMPD_unknown: | ||||||||
13546 | default: | ||||||||
13547 | llvm_unreachable("Unknown OpenMP directive")__builtin_unreachable(); | ||||||||
13548 | } | ||||||||
13549 | break; | ||||||||
13550 | case OMPC_thread_limit: | ||||||||
13551 | switch (DKind) { | ||||||||
13552 | case OMPD_target_teams: | ||||||||
13553 | case OMPD_target_teams_distribute: | ||||||||
13554 | case OMPD_target_teams_distribute_simd: | ||||||||
13555 | case OMPD_target_teams_distribute_parallel_for: | ||||||||
13556 | case OMPD_target_teams_distribute_parallel_for_simd: | ||||||||
13557 | CaptureRegion = OMPD_target; | ||||||||
13558 | break; | ||||||||
13559 | case OMPD_teams_distribute_parallel_for: | ||||||||
13560 | case OMPD_teams_distribute_parallel_for_simd: | ||||||||
13561 | case OMPD_teams: | ||||||||
13562 | case OMPD_teams_distribute: | ||||||||
13563 | case OMPD_teams_distribute_simd: | ||||||||
13564 | // Do not capture thread_limit-clause expressions. | ||||||||
13565 | break; | ||||||||
13566 | case OMPD_distribute_parallel_for: | ||||||||
13567 | case OMPD_distribute_parallel_for_simd: | ||||||||
13568 | case OMPD_task: | ||||||||
13569 | case OMPD_taskloop: | ||||||||
13570 | case OMPD_taskloop_simd: | ||||||||
13571 | case OMPD_master_taskloop: | ||||||||
13572 | case OMPD_master_taskloop_simd: | ||||||||
13573 | case OMPD_parallel_master_taskloop: | ||||||||
13574 | case OMPD_parallel_master_taskloop_simd: | ||||||||
13575 | case OMPD_target_data: | ||||||||
13576 | case OMPD_target_enter_data: | ||||||||
13577 | case OMPD_target_exit_data: | ||||||||
13578 | case OMPD_target_update: | ||||||||
13579 | case OMPD_cancel: | ||||||||
13580 | case OMPD_parallel: | ||||||||
13581 | case OMPD_parallel_master: | ||||||||
13582 | case OMPD_parallel_sections: | ||||||||
13583 | case OMPD_parallel_for: | ||||||||
13584 | case OMPD_parallel_for_simd: | ||||||||
13585 | case OMPD_target: | ||||||||
13586 | case OMPD_target_simd: | ||||||||
13587 | case OMPD_target_parallel: | ||||||||
13588 | case OMPD_target_parallel_for: | ||||||||
13589 | case OMPD_target_parallel_for_simd: | ||||||||
13590 | case OMPD_threadprivate: | ||||||||
13591 | case OMPD_allocate: | ||||||||
13592 | case OMPD_taskyield: | ||||||||
13593 | case OMPD_barrier: | ||||||||
13594 | case OMPD_taskwait: | ||||||||
13595 | case OMPD_cancellation_point: | ||||||||
13596 | case OMPD_flush: | ||||||||
13597 | case OMPD_depobj: | ||||||||
13598 | case OMPD_scan: | ||||||||
13599 | case OMPD_declare_reduction: | ||||||||
13600 | case OMPD_declare_mapper: | ||||||||
13601 | case OMPD_declare_simd: | ||||||||
13602 | case OMPD_declare_variant: | ||||||||
13603 | case OMPD_begin_declare_variant: | ||||||||
13604 | case OMPD_end_declare_variant: | ||||||||
13605 | case OMPD_declare_target: | ||||||||
13606 | case OMPD_end_declare_target: | ||||||||
13607 | case OMPD_simd: | ||||||||
13608 | case OMPD_tile: | ||||||||
13609 | case OMPD_unroll: | ||||||||
13610 | case OMPD_for: | ||||||||
13611 | case OMPD_for_simd: | ||||||||
13612 | case OMPD_sections: | ||||||||
13613 | case OMPD_section: | ||||||||
13614 | case OMPD_single: | ||||||||
13615 | case OMPD_master: | ||||||||
13616 | case OMPD_masked: | ||||||||
13617 | case OMPD_critical: | ||||||||
13618 | case OMPD_taskgroup: | ||||||||
13619 | case OMPD_distribute: | ||||||||
13620 | case OMPD_ordered: | ||||||||
13621 | case OMPD_atomic: | ||||||||
13622 | case OMPD_distribute_simd: | ||||||||
13623 | case OMPD_requires: | ||||||||
13624 | llvm_unreachable("Unexpected OpenMP directive with thread_limit-clause")__builtin_unreachable(); | ||||||||
13625 | case OMPD_unknown: | ||||||||
13626 | default: | ||||||||
13627 | llvm_unreachable("Unknown OpenMP directive")__builtin_unreachable(); | ||||||||
13628 | } | ||||||||
13629 | break; | ||||||||
13630 | case OMPC_schedule: | ||||||||
13631 | switch (DKind) { | ||||||||
13632 | case OMPD_parallel_for: | ||||||||
13633 | case OMPD_parallel_for_simd: | ||||||||
13634 | case OMPD_distribute_parallel_for: | ||||||||
13635 | case OMPD_distribute_parallel_for_simd: | ||||||||
13636 | case OMPD_teams_distribute_parallel_for: | ||||||||
13637 | case OMPD_teams_distribute_parallel_for_simd: | ||||||||
13638 | case OMPD_target_parallel_for: | ||||||||
13639 | case OMPD_target_parallel_for_simd: | ||||||||
13640 | case OMPD_target_teams_distribute_parallel_for: | ||||||||
13641 | case OMPD_target_teams_distribute_parallel_for_simd: | ||||||||
13642 | CaptureRegion = OMPD_parallel; | ||||||||
13643 | break; | ||||||||
13644 | case OMPD_for: | ||||||||
13645 | case OMPD_for_simd: | ||||||||
13646 | // Do not capture schedule-clause expressions. | ||||||||
13647 | break; | ||||||||
13648 | case OMPD_task: | ||||||||
13649 | case OMPD_taskloop: | ||||||||
13650 | case OMPD_taskloop_simd: | ||||||||
13651 | case OMPD_master_taskloop: | ||||||||
13652 | case OMPD_master_taskloop_simd: | ||||||||
13653 | case OMPD_parallel_master_taskloop: | ||||||||
13654 | case OMPD_parallel_master_taskloop_simd: | ||||||||
13655 | case OMPD_target_data: | ||||||||
13656 | case OMPD_target_enter_data: | ||||||||
13657 | case OMPD_target_exit_data: | ||||||||
13658 | case OMPD_target_update: | ||||||||
13659 | case OMPD_teams: | ||||||||
13660 | case OMPD_teams_distribute: | ||||||||
13661 | case OMPD_teams_distribute_simd: | ||||||||
13662 | case OMPD_target_teams_distribute: | ||||||||
13663 | case OMPD_target_teams_distribute_simd: | ||||||||
13664 | case OMPD_target: | ||||||||
13665 | case OMPD_target_simd: | ||||||||
13666 | case OMPD_target_parallel: | ||||||||
13667 | case OMPD_cancel: | ||||||||
13668 | case OMPD_parallel: | ||||||||
13669 | case OMPD_parallel_master: | ||||||||
13670 | case OMPD_parallel_sections: | ||||||||
13671 | case OMPD_threadprivate: | ||||||||
13672 | case OMPD_allocate: | ||||||||
13673 | case OMPD_taskyield: | ||||||||
13674 | case OMPD_barrier: | ||||||||
13675 | case OMPD_taskwait: | ||||||||
13676 | case OMPD_cancellation_point: | ||||||||
13677 | case OMPD_flush: | ||||||||
13678 | case OMPD_depobj: | ||||||||
13679 | case OMPD_scan: | ||||||||
13680 | case OMPD_declare_reduction: | ||||||||
13681 | case OMPD_declare_mapper: | ||||||||
13682 | case OMPD_declare_simd: | ||||||||
13683 | case OMPD_declare_variant: | ||||||||
13684 | case OMPD_begin_declare_variant: | ||||||||
13685 | case OMPD_end_declare_variant: | ||||||||
13686 | case OMPD_declare_target: | ||||||||
13687 | case OMPD_end_declare_target: | ||||||||
13688 | case OMPD_simd: | ||||||||
13689 | case OMPD_tile: | ||||||||
13690 | case OMPD_unroll: | ||||||||
13691 | case OMPD_sections: | ||||||||
13692 | case OMPD_section: | ||||||||
13693 | case OMPD_single: | ||||||||
13694 | case OMPD_master: | ||||||||
13695 | case OMPD_masked: | ||||||||
13696 | case OMPD_critical: | ||||||||
13697 | case OMPD_taskgroup: | ||||||||
13698 | case OMPD_distribute: | ||||||||
13699 | case OMPD_ordered: | ||||||||
13700 | case OMPD_atomic: | ||||||||
13701 | case OMPD_distribute_simd: | ||||||||
13702 | case OMPD_target_teams: | ||||||||
13703 | case OMPD_requires: | ||||||||
13704 | llvm_unreachable("Unexpected OpenMP directive with schedule clause")__builtin_unreachable(); | ||||||||
13705 | case OMPD_unknown: | ||||||||
13706 | default: | ||||||||
13707 | llvm_unreachable("Unknown OpenMP directive")__builtin_unreachable(); | ||||||||
13708 | } | ||||||||
13709 | break; | ||||||||
13710 | case OMPC_dist_schedule: | ||||||||
13711 | switch (DKind) { | ||||||||
13712 | case OMPD_teams_distribute_parallel_for: | ||||||||
13713 | case OMPD_teams_distribute_parallel_for_simd: | ||||||||
13714 | case OMPD_teams_distribute: | ||||||||
13715 | case OMPD_teams_distribute_simd: | ||||||||
13716 | case OMPD_target_teams_distribute_parallel_for: | ||||||||
13717 | case OMPD_target_teams_distribute_parallel_for_simd: | ||||||||
13718 | case OMPD_target_teams_distribute: | ||||||||
13719 | case OMPD_target_teams_distribute_simd: | ||||||||
13720 | CaptureRegion = OMPD_teams; | ||||||||
13721 | break; | ||||||||
13722 | case OMPD_distribute_parallel_for: | ||||||||
13723 | case OMPD_distribute_parallel_for_simd: | ||||||||
13724 | case OMPD_distribute: | ||||||||
13725 | case OMPD_distribute_simd: | ||||||||
13726 | // Do not capture dist_schedule-clause expressions. | ||||||||
13727 | break; | ||||||||
13728 | case OMPD_parallel_for: | ||||||||
13729 | case OMPD_parallel_for_simd: | ||||||||
13730 | case OMPD_target_parallel_for_simd: | ||||||||
13731 | case OMPD_target_parallel_for: | ||||||||
13732 | case OMPD_task: | ||||||||
13733 | case OMPD_taskloop: | ||||||||
13734 | case OMPD_taskloop_simd: | ||||||||
13735 | case OMPD_master_taskloop: | ||||||||
13736 | case OMPD_master_taskloop_simd: | ||||||||
13737 | case OMPD_parallel_master_taskloop: | ||||||||
13738 | case OMPD_parallel_master_taskloop_simd: | ||||||||
13739 | case OMPD_target_data: | ||||||||
13740 | case OMPD_target_enter_data: | ||||||||
13741 | case OMPD_target_exit_data: | ||||||||
13742 | case OMPD_target_update: | ||||||||
13743 | case OMPD_teams: | ||||||||
13744 | case OMPD_target: | ||||||||
13745 | case OMPD_target_simd: | ||||||||
13746 | case OMPD_target_parallel: | ||||||||
13747 | case OMPD_cancel: | ||||||||
13748 | case OMPD_parallel: | ||||||||
13749 | case OMPD_parallel_master: | ||||||||
13750 | case OMPD_parallel_sections: | ||||||||
13751 | case OMPD_threadprivate: | ||||||||
13752 | case OMPD_allocate: | ||||||||
13753 | case OMPD_taskyield: | ||||||||
13754 | case OMPD_barrier: | ||||||||
13755 | case OMPD_taskwait: | ||||||||
13756 | case OMPD_cancellation_point: | ||||||||
13757 | case OMPD_flush: | ||||||||
13758 | case OMPD_depobj: | ||||||||
13759 | case OMPD_scan: | ||||||||
13760 | case OMPD_declare_reduction: | ||||||||
13761 | case OMPD_declare_mapper: | ||||||||
13762 | case OMPD_declare_simd: | ||||||||
13763 | case OMPD_declare_variant: | ||||||||
13764 | case OMPD_begin_declare_variant: | ||||||||
13765 | case OMPD_end_declare_variant: | ||||||||
13766 | case OMPD_declare_target: | ||||||||
13767 | case OMPD_end_declare_target: | ||||||||
13768 | case OMPD_simd: | ||||||||
13769 | case OMPD_tile: | ||||||||
13770 | case OMPD_unroll: | ||||||||
13771 | case OMPD_for: | ||||||||
13772 | case OMPD_for_simd: | ||||||||
13773 | case OMPD_sections: | ||||||||
13774 | case OMPD_section: | ||||||||
13775 | case OMPD_single: | ||||||||
13776 | case OMPD_master: | ||||||||
13777 | case OMPD_masked: | ||||||||
13778 | case OMPD_critical: | ||||||||
13779 | case OMPD_taskgroup: | ||||||||
13780 | case OMPD_ordered: | ||||||||
13781 | case OMPD_atomic: | ||||||||
13782 | case OMPD_target_teams: | ||||||||
13783 | case OMPD_requires: | ||||||||
13784 | llvm_unreachable("Unexpected OpenMP directive with dist_schedule clause")__builtin_unreachable(); | ||||||||
13785 | case OMPD_unknown: | ||||||||
13786 | default: | ||||||||
13787 | llvm_unreachable("Unknown OpenMP directive")__builtin_unreachable(); | ||||||||
13788 | } | ||||||||
13789 | break; | ||||||||
13790 | case OMPC_device: | ||||||||
13791 | switch (DKind) { | ||||||||
13792 | case OMPD_target_update: | ||||||||
13793 | case OMPD_target_enter_data: | ||||||||
13794 | case OMPD_target_exit_data: | ||||||||
13795 | case OMPD_target: | ||||||||
13796 | case OMPD_target_simd: | ||||||||
13797 | case OMPD_target_teams: | ||||||||
13798 | case OMPD_target_parallel: | ||||||||
13799 | case OMPD_target_teams_distribute: | ||||||||
13800 | case OMPD_target_teams_distribute_simd: | ||||||||
13801 | case OMPD_target_parallel_for: | ||||||||
13802 | case OMPD_target_parallel_for_simd: | ||||||||
13803 | case OMPD_target_teams_distribute_parallel_for: | ||||||||
13804 | case OMPD_target_teams_distribute_parallel_for_simd: | ||||||||
13805 | case OMPD_dispatch: | ||||||||
13806 | CaptureRegion = OMPD_task; | ||||||||
13807 | break; | ||||||||
13808 | case OMPD_target_data: | ||||||||
13809 | case OMPD_interop: | ||||||||
13810 | // Do not capture device-clause expressions. | ||||||||
13811 | break; | ||||||||
13812 | case OMPD_teams_distribute_parallel_for: | ||||||||
13813 | case OMPD_teams_distribute_parallel_for_simd: | ||||||||
13814 | case OMPD_teams: | ||||||||
13815 | case OMPD_teams_distribute: | ||||||||
13816 | case OMPD_teams_distribute_simd: | ||||||||
13817 | case OMPD_distribute_parallel_for: | ||||||||
13818 | case OMPD_distribute_parallel_for_simd: | ||||||||
13819 | case OMPD_task: | ||||||||
13820 | case OMPD_taskloop: | ||||||||
13821 | case OMPD_taskloop_simd: | ||||||||
13822 | case OMPD_master_taskloop: | ||||||||
13823 | case OMPD_master_taskloop_simd: | ||||||||
13824 | case OMPD_parallel_master_taskloop: | ||||||||
13825 | case OMPD_parallel_master_taskloop_simd: | ||||||||
13826 | case OMPD_cancel: | ||||||||
13827 | case OMPD_parallel: | ||||||||
13828 | case OMPD_parallel_master: | ||||||||
13829 | case OMPD_parallel_sections: | ||||||||
13830 | case OMPD_parallel_for: | ||||||||
13831 | case OMPD_parallel_for_simd: | ||||||||
13832 | case OMPD_threadprivate: | ||||||||
13833 | case OMPD_allocate: | ||||||||
13834 | case OMPD_taskyield: | ||||||||
13835 | case OMPD_barrier: | ||||||||
13836 | case OMPD_taskwait: | ||||||||
13837 | case OMPD_cancellation_point: | ||||||||
13838 | case OMPD_flush: | ||||||||
13839 | case OMPD_depobj: | ||||||||
13840 | case OMPD_scan: | ||||||||
13841 | case OMPD_declare_reduction: | ||||||||
13842 | case OMPD_declare_mapper: | ||||||||
13843 | case OMPD_declare_simd: | ||||||||
13844 | case OMPD_declare_variant: | ||||||||
13845 | case OMPD_begin_declare_variant: | ||||||||
13846 | case OMPD_end_declare_variant: | ||||||||
13847 | case OMPD_declare_target: | ||||||||
13848 | case OMPD_end_declare_target: | ||||||||
13849 | case OMPD_simd: | ||||||||
13850 | case OMPD_tile: | ||||||||
13851 | case OMPD_unroll: | ||||||||
13852 | case OMPD_for: | ||||||||
13853 | case OMPD_for_simd: | ||||||||
13854 | case OMPD_sections: | ||||||||
13855 | case OMPD_section: | ||||||||
13856 | case OMPD_single: | ||||||||
13857 | case OMPD_master: | ||||||||
13858 | case OMPD_masked: | ||||||||
13859 | case OMPD_critical: | ||||||||
13860 | case OMPD_taskgroup: | ||||||||
13861 | case OMPD_distribute: | ||||||||
13862 | case OMPD_ordered: | ||||||||
13863 | case OMPD_atomic: | ||||||||
13864 | case OMPD_distribute_simd: | ||||||||
13865 | case OMPD_requires: | ||||||||
13866 | llvm_unreachable("Unexpected OpenMP directive with device-clause")__builtin_unreachable(); | ||||||||
13867 | case OMPD_unknown: | ||||||||
13868 | default: | ||||||||
13869 | llvm_unreachable("Unknown OpenMP directive")__builtin_unreachable(); | ||||||||
13870 | } | ||||||||
13871 | break; | ||||||||
13872 | case OMPC_grainsize: | ||||||||
13873 | case OMPC_num_tasks: | ||||||||
13874 | case OMPC_final: | ||||||||
13875 | case OMPC_priority: | ||||||||
13876 | switch (DKind) { | ||||||||
13877 | case OMPD_task: | ||||||||
13878 | case OMPD_taskloop: | ||||||||
13879 | case OMPD_taskloop_simd: | ||||||||
13880 | case OMPD_master_taskloop: | ||||||||
13881 | case OMPD_master_taskloop_simd: | ||||||||
13882 | break; | ||||||||
13883 | case OMPD_parallel_master_taskloop: | ||||||||
13884 | case OMPD_parallel_master_taskloop_simd: | ||||||||
13885 | CaptureRegion = OMPD_parallel; | ||||||||
13886 | break; | ||||||||
13887 | case OMPD_target_update: | ||||||||
13888 | case OMPD_target_enter_data: | ||||||||
13889 | case OMPD_target_exit_data: | ||||||||
13890 | case OMPD_target: | ||||||||
13891 | case OMPD_target_simd: | ||||||||
13892 | case OMPD_target_teams: | ||||||||
13893 | case OMPD_target_parallel: | ||||||||
13894 | case OMPD_target_teams_distribute: | ||||||||
13895 | case OMPD_target_teams_distribute_simd: | ||||||||
13896 | case OMPD_target_parallel_for: | ||||||||
13897 | case OMPD_target_parallel_for_simd: | ||||||||
13898 | case OMPD_target_teams_distribute_parallel_for: | ||||||||
13899 | case OMPD_target_teams_distribute_parallel_for_simd: | ||||||||
13900 | case OMPD_target_data: | ||||||||
13901 | case OMPD_teams_distribute_parallel_for: | ||||||||
13902 | case OMPD_teams_distribute_parallel_for_simd: | ||||||||
13903 | case OMPD_teams: | ||||||||
13904 | case OMPD_teams_distribute: | ||||||||
13905 | case OMPD_teams_distribute_simd: | ||||||||
13906 | case OMPD_distribute_parallel_for: | ||||||||
13907 | case OMPD_distribute_parallel_for_simd: | ||||||||
13908 | case OMPD_cancel: | ||||||||
13909 | case OMPD_parallel: | ||||||||
13910 | case OMPD_parallel_master: | ||||||||
13911 | case OMPD_parallel_sections: | ||||||||
13912 | case OMPD_parallel_for: | ||||||||
13913 | case OMPD_parallel_for_simd: | ||||||||
13914 | case OMPD_threadprivate: | ||||||||
13915 | case OMPD_allocate: | ||||||||
13916 | case OMPD_taskyield: | ||||||||
13917 | case OMPD_barrier: | ||||||||
13918 | case OMPD_taskwait: | ||||||||
13919 | case OMPD_cancellation_point: | ||||||||
13920 | case OMPD_flush: | ||||||||
13921 | case OMPD_depobj: | ||||||||
13922 | case OMPD_scan: | ||||||||
13923 | case OMPD_declare_reduction: | ||||||||
13924 | case OMPD_declare_mapper: | ||||||||
13925 | case OMPD_declare_simd: | ||||||||
13926 | case OMPD_declare_variant: | ||||||||
13927 | case OMPD_begin_declare_variant: | ||||||||
13928 | case OMPD_end_declare_variant: | ||||||||
13929 | case OMPD_declare_target: | ||||||||
13930 | case OMPD_end_declare_target: | ||||||||
13931 | case OMPD_simd: | ||||||||
13932 | case OMPD_tile: | ||||||||
13933 | case OMPD_unroll: | ||||||||
13934 | case OMPD_for: | ||||||||
13935 | case OMPD_for_simd: | ||||||||
13936 | case OMPD_sections: | ||||||||
13937 | case OMPD_section: | ||||||||
13938 | case OMPD_single: | ||||||||
13939 | case OMPD_master: | ||||||||
13940 | case OMPD_masked: | ||||||||
13941 | case OMPD_critical: | ||||||||
13942 | case OMPD_taskgroup: | ||||||||
13943 | case OMPD_distribute: | ||||||||
13944 | case OMPD_ordered: | ||||||||
13945 | case OMPD_atomic: | ||||||||
13946 | case OMPD_distribute_simd: | ||||||||
13947 | case OMPD_requires: | ||||||||
13948 | llvm_unreachable("Unexpected OpenMP directive with grainsize-clause")__builtin_unreachable(); | ||||||||
13949 | case OMPD_unknown: | ||||||||
13950 | default: | ||||||||
13951 | llvm_unreachable("Unknown OpenMP directive")__builtin_unreachable(); | ||||||||
13952 | } | ||||||||
13953 | break; | ||||||||
13954 | case OMPC_novariants: | ||||||||
13955 | case OMPC_nocontext: | ||||||||
13956 | switch (DKind) { | ||||||||
13957 | case OMPD_dispatch: | ||||||||
13958 | CaptureRegion = OMPD_task; | ||||||||
13959 | break; | ||||||||
13960 | default: | ||||||||
13961 | llvm_unreachable("Unexpected OpenMP directive")__builtin_unreachable(); | ||||||||
13962 | } | ||||||||
13963 | break; | ||||||||
13964 | case OMPC_filter: | ||||||||
13965 | // Do not capture filter-clause expressions. | ||||||||
13966 | break; | ||||||||
13967 | case OMPC_firstprivate: | ||||||||
13968 | case OMPC_lastprivate: | ||||||||
13969 | case OMPC_reduction: | ||||||||
13970 | case OMPC_task_reduction: | ||||||||
13971 | case OMPC_in_reduction: | ||||||||
13972 | case OMPC_linear: | ||||||||
13973 | case OMPC_default: | ||||||||
13974 | case OMPC_proc_bind: | ||||||||
13975 | case OMPC_safelen: | ||||||||
13976 | case OMPC_simdlen: | ||||||||
13977 | case OMPC_sizes: | ||||||||
13978 | case OMPC_allocator: | ||||||||
13979 | case OMPC_collapse: | ||||||||
13980 | case OMPC_private: | ||||||||
13981 | case OMPC_shared: | ||||||||
13982 | case OMPC_aligned: | ||||||||
13983 | case OMPC_copyin: | ||||||||
13984 | case OMPC_copyprivate: | ||||||||
13985 | case OMPC_ordered: | ||||||||
13986 | case OMPC_nowait: | ||||||||
13987 | case OMPC_untied: | ||||||||
13988 | case OMPC_mergeable: | ||||||||
13989 | case OMPC_threadprivate: | ||||||||
13990 | case OMPC_allocate: | ||||||||
13991 | case OMPC_flush: | ||||||||
13992 | case OMPC_depobj: | ||||||||
13993 | case OMPC_read: | ||||||||
13994 | case OMPC_write: | ||||||||
13995 | case OMPC_update: | ||||||||
13996 | case OMPC_capture: | ||||||||
13997 | case OMPC_seq_cst: | ||||||||
13998 | case OMPC_acq_rel: | ||||||||
13999 | case OMPC_acquire: | ||||||||
14000 | case OMPC_release: | ||||||||
14001 | case OMPC_relaxed: | ||||||||
14002 | case OMPC_depend: | ||||||||
14003 | case OMPC_threads: | ||||||||
14004 | case OMPC_simd: | ||||||||
14005 | case OMPC_map: | ||||||||
14006 | case OMPC_nogroup: | ||||||||
14007 | case OMPC_hint: | ||||||||
14008 | case OMPC_defaultmap: | ||||||||
14009 | case OMPC_unknown: | ||||||||
14010 | case OMPC_uniform: | ||||||||
14011 | case OMPC_to: | ||||||||
14012 | case OMPC_from: | ||||||||
14013 | case OMPC_use_device_ptr: | ||||||||
14014 | case OMPC_use_device_addr: | ||||||||
14015 | case OMPC_is_device_ptr: | ||||||||
14016 | case OMPC_unified_address: | ||||||||
14017 | case OMPC_unified_shared_memory: | ||||||||
14018 | case OMPC_reverse_offload: | ||||||||
14019 | case OMPC_dynamic_allocators: | ||||||||
14020 | case OMPC_atomic_default_mem_order: | ||||||||
14021 | case OMPC_device_type: | ||||||||
14022 | case OMPC_match: | ||||||||
14023 | case OMPC_nontemporal: | ||||||||
14024 | case OMPC_order: | ||||||||
14025 | case OMPC_destroy: | ||||||||
14026 | case OMPC_detach: | ||||||||
14027 | case OMPC_inclusive: | ||||||||
14028 | case OMPC_exclusive: | ||||||||
14029 | case OMPC_uses_allocators: | ||||||||
14030 | case OMPC_affinity: | ||||||||
14031 | default: | ||||||||
14032 | llvm_unreachable("Unexpected OpenMP clause.")__builtin_unreachable(); | ||||||||
14033 | } | ||||||||
14034 | return CaptureRegion; | ||||||||
14035 | } | ||||||||
14036 | |||||||||
14037 | OMPClause *Sema::ActOnOpenMPIfClause(OpenMPDirectiveKind NameModifier, | ||||||||
14038 | Expr *Condition, SourceLocation StartLoc, | ||||||||
14039 | SourceLocation LParenLoc, | ||||||||
14040 | SourceLocation NameModifierLoc, | ||||||||
14041 | SourceLocation ColonLoc, | ||||||||
14042 | SourceLocation EndLoc) { | ||||||||
14043 | Expr *ValExpr = Condition; | ||||||||
14044 | Stmt *HelperValStmt = nullptr; | ||||||||
14045 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; | ||||||||
14046 | if (!Condition->isValueDependent() && !Condition->isTypeDependent() && | ||||||||
14047 | !Condition->isInstantiationDependent() && | ||||||||
14048 | !Condition->containsUnexpandedParameterPack()) { | ||||||||
14049 | ExprResult Val = CheckBooleanCondition(StartLoc, Condition); | ||||||||
14050 | if (Val.isInvalid()) | ||||||||
14051 | return nullptr; | ||||||||
14052 | |||||||||
14053 | ValExpr = Val.get(); | ||||||||
14054 | |||||||||
14055 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | ||||||||
14056 | CaptureRegion = getOpenMPCaptureRegionForClause( | ||||||||
14057 | DKind, OMPC_if, LangOpts.OpenMP, NameModifier); | ||||||||
14058 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { | ||||||||
14059 | ValExpr = MakeFullExpr(ValExpr).get(); | ||||||||
14060 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | ||||||||
14061 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | ||||||||
14062 | HelperValStmt = buildPreInits(Context, Captures); | ||||||||
14063 | } | ||||||||
14064 | } | ||||||||
14065 | |||||||||
14066 | return new (Context) | ||||||||
14067 | OMPIfClause(NameModifier, ValExpr, HelperValStmt, CaptureRegion, StartLoc, | ||||||||
14068 | LParenLoc, NameModifierLoc, ColonLoc, EndLoc); | ||||||||
14069 | } | ||||||||
14070 | |||||||||
14071 | OMPClause *Sema::ActOnOpenMPFinalClause(Expr *Condition, | ||||||||
14072 | SourceLocation StartLoc, | ||||||||
14073 | SourceLocation LParenLoc, | ||||||||
14074 | SourceLocation EndLoc) { | ||||||||
14075 | Expr *ValExpr = Condition; | ||||||||
14076 | Stmt *HelperValStmt = nullptr; | ||||||||
14077 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; | ||||||||
14078 | if (!Condition->isValueDependent() && !Condition->isTypeDependent() && | ||||||||
14079 | !Condition->isInstantiationDependent() && | ||||||||
14080 | !Condition->containsUnexpandedParameterPack()) { | ||||||||
14081 | ExprResult Val = CheckBooleanCondition(StartLoc, Condition); | ||||||||
14082 | if (Val.isInvalid()) | ||||||||
14083 | return nullptr; | ||||||||
14084 | |||||||||
14085 | ValExpr = MakeFullExpr(Val.get()).get(); | ||||||||
14086 | |||||||||
14087 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | ||||||||
14088 | CaptureRegion = | ||||||||
14089 | getOpenMPCaptureRegionForClause(DKind, OMPC_final, LangOpts.OpenMP); | ||||||||
14090 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { | ||||||||
14091 | ValExpr = MakeFullExpr(ValExpr).get(); | ||||||||
14092 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | ||||||||
14093 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | ||||||||
14094 | HelperValStmt = buildPreInits(Context, Captures); | ||||||||
14095 | } | ||||||||
14096 | } | ||||||||
14097 | |||||||||
14098 | return new (Context) OMPFinalClause(ValExpr, HelperValStmt, CaptureRegion, | ||||||||
14099 | StartLoc, LParenLoc, EndLoc); | ||||||||
14100 | } | ||||||||
14101 | |||||||||
14102 | ExprResult Sema::PerformOpenMPImplicitIntegerConversion(SourceLocation Loc, | ||||||||
14103 | Expr *Op) { | ||||||||
14104 | if (!Op) | ||||||||
14105 | return ExprError(); | ||||||||
14106 | |||||||||
14107 | class IntConvertDiagnoser : public ICEConvertDiagnoser { | ||||||||
14108 | public: | ||||||||
14109 | IntConvertDiagnoser() | ||||||||
14110 | : ICEConvertDiagnoser(/*AllowScopedEnumerations*/ false, false, true) {} | ||||||||
14111 | SemaDiagnosticBuilder diagnoseNotInt(Sema &S, SourceLocation Loc, | ||||||||
14112 | QualType T) override { | ||||||||
14113 | return S.Diag(Loc, diag::err_omp_not_integral) << T; | ||||||||
14114 | } | ||||||||
14115 | SemaDiagnosticBuilder diagnoseIncomplete(Sema &S, SourceLocation Loc, | ||||||||
14116 | QualType T) override { | ||||||||
14117 | return S.Diag(Loc, diag::err_omp_incomplete_type) << T; | ||||||||
14118 | } | ||||||||
14119 | SemaDiagnosticBuilder diagnoseExplicitConv(Sema &S, SourceLocation Loc, | ||||||||
14120 | QualType T, | ||||||||
14121 | QualType ConvTy) override { | ||||||||
14122 | return S.Diag(Loc, diag::err_omp_explicit_conversion) << T << ConvTy; | ||||||||
14123 | } | ||||||||
14124 | SemaDiagnosticBuilder noteExplicitConv(Sema &S, CXXConversionDecl *Conv, | ||||||||
14125 | QualType ConvTy) override { | ||||||||
14126 | return S.Diag(Conv->getLocation(), diag::note_omp_conversion_here) | ||||||||
14127 | << ConvTy->isEnumeralType() << ConvTy; | ||||||||
14128 | } | ||||||||
14129 | SemaDiagnosticBuilder diagnoseAmbiguous(Sema &S, SourceLocation Loc, | ||||||||
14130 | QualType T) override { | ||||||||
14131 | return S.Diag(Loc, diag::err_omp_ambiguous_conversion) << T; | ||||||||
14132 | } | ||||||||
14133 | SemaDiagnosticBuilder noteAmbiguous(Sema &S, CXXConversionDecl *Conv, | ||||||||
14134 | QualType ConvTy) override { | ||||||||
14135 | return S.Diag(Conv->getLocation(), diag::note_omp_conversion_here) | ||||||||
14136 | << ConvTy->isEnumeralType() << ConvTy; | ||||||||
14137 | } | ||||||||
14138 | SemaDiagnosticBuilder diagnoseConversion(Sema &, SourceLocation, QualType, | ||||||||
14139 | QualType) override { | ||||||||
14140 | llvm_unreachable("conversion functions are permitted")__builtin_unreachable(); | ||||||||
14141 | } | ||||||||
14142 | } ConvertDiagnoser; | ||||||||
14143 | return PerformContextualImplicitConversion(Loc, Op, ConvertDiagnoser); | ||||||||
14144 | } | ||||||||
14145 | |||||||||
14146 | static bool | ||||||||
14147 | isNonNegativeIntegerValue(Expr *&ValExpr, Sema &SemaRef, OpenMPClauseKind CKind, | ||||||||
14148 | bool StrictlyPositive, bool BuildCapture = false, | ||||||||
14149 | OpenMPDirectiveKind DKind = OMPD_unknown, | ||||||||
14150 | OpenMPDirectiveKind *CaptureRegion = nullptr, | ||||||||
14151 | Stmt **HelperValStmt = nullptr) { | ||||||||
14152 | if (!ValExpr->isTypeDependent() && !ValExpr->isValueDependent() && | ||||||||
14153 | !ValExpr->isInstantiationDependent()) { | ||||||||
14154 | SourceLocation Loc = ValExpr->getExprLoc(); | ||||||||
14155 | ExprResult Value = | ||||||||
14156 | SemaRef.PerformOpenMPImplicitIntegerConversion(Loc, ValExpr); | ||||||||
14157 | if (Value.isInvalid()) | ||||||||
14158 | return false; | ||||||||
14159 | |||||||||
14160 | ValExpr = Value.get(); | ||||||||
14161 | // The expression must evaluate to a non-negative integer value. | ||||||||
14162 | if (Optional<llvm::APSInt> Result = | ||||||||
14163 | ValExpr->getIntegerConstantExpr(SemaRef.Context)) { | ||||||||
14164 | if (Result->isSigned() && | ||||||||
14165 | !((!StrictlyPositive && Result->isNonNegative()) || | ||||||||
14166 | (StrictlyPositive && Result->isStrictlyPositive()))) { | ||||||||
14167 | SemaRef.Diag(Loc, diag::err_omp_negative_expression_in_clause) | ||||||||
14168 | << getOpenMPClauseName(CKind) << (StrictlyPositive ? 1 : 0) | ||||||||
14169 | << ValExpr->getSourceRange(); | ||||||||
14170 | return false; | ||||||||
14171 | } | ||||||||
14172 | } | ||||||||
14173 | if (!BuildCapture) | ||||||||
14174 | return true; | ||||||||
14175 | *CaptureRegion = | ||||||||
14176 | getOpenMPCaptureRegionForClause(DKind, CKind, SemaRef.LangOpts.OpenMP); | ||||||||
14177 | if (*CaptureRegion != OMPD_unknown && | ||||||||
14178 | !SemaRef.CurContext->isDependentContext()) { | ||||||||
14179 | ValExpr = SemaRef.MakeFullExpr(ValExpr).get(); | ||||||||
14180 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | ||||||||
14181 | ValExpr = tryBuildCapture(SemaRef, ValExpr, Captures).get(); | ||||||||
14182 | *HelperValStmt = buildPreInits(SemaRef.Context, Captures); | ||||||||
14183 | } | ||||||||
14184 | } | ||||||||
14185 | return true; | ||||||||
14186 | } | ||||||||
14187 | |||||||||
14188 | OMPClause *Sema::ActOnOpenMPNumThreadsClause(Expr *NumThreads, | ||||||||
14189 | SourceLocation StartLoc, | ||||||||
14190 | SourceLocation LParenLoc, | ||||||||
14191 | SourceLocation EndLoc) { | ||||||||
14192 | Expr *ValExpr = NumThreads; | ||||||||
14193 | Stmt *HelperValStmt = nullptr; | ||||||||
14194 | |||||||||
14195 | // OpenMP [2.5, Restrictions] | ||||||||
14196 | // The num_threads expression must evaluate to a positive integer value. | ||||||||
14197 | if (!isNonNegativeIntegerValue(ValExpr, *this, OMPC_num_threads, | ||||||||
14198 | /*StrictlyPositive=*/true)) | ||||||||
14199 | return nullptr; | ||||||||
14200 | |||||||||
14201 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | ||||||||
14202 | OpenMPDirectiveKind CaptureRegion = | ||||||||
14203 | getOpenMPCaptureRegionForClause(DKind, OMPC_num_threads, LangOpts.OpenMP); | ||||||||
14204 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { | ||||||||
14205 | ValExpr = MakeFullExpr(ValExpr).get(); | ||||||||
14206 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | ||||||||
14207 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | ||||||||
14208 | HelperValStmt = buildPreInits(Context, Captures); | ||||||||
14209 | } | ||||||||
14210 | |||||||||
14211 | return new (Context) OMPNumThreadsClause( | ||||||||
14212 | ValExpr, HelperValStmt, CaptureRegion, StartLoc, LParenLoc, EndLoc); | ||||||||
14213 | } | ||||||||
14214 | |||||||||
14215 | ExprResult Sema::VerifyPositiveIntegerConstantInClause(Expr *E, | ||||||||
14216 | OpenMPClauseKind CKind, | ||||||||
14217 | bool StrictlyPositive, | ||||||||
14218 | bool SuppressExprDiags) { | ||||||||
14219 | if (!E) | ||||||||
14220 | return ExprError(); | ||||||||
14221 | if (E->isValueDependent() || E->isTypeDependent() || | ||||||||
14222 | E->isInstantiationDependent() || E->containsUnexpandedParameterPack()) | ||||||||
14223 | return E; | ||||||||
14224 | |||||||||
14225 | llvm::APSInt Result; | ||||||||
14226 | ExprResult ICE; | ||||||||
14227 | if (SuppressExprDiags) { | ||||||||
14228 | // Use a custom diagnoser that suppresses 'note' diagnostics about the | ||||||||
14229 | // expression. | ||||||||
14230 | struct SuppressedDiagnoser : public Sema::VerifyICEDiagnoser { | ||||||||
14231 | SuppressedDiagnoser() : VerifyICEDiagnoser(/*Suppress=*/true) {} | ||||||||
14232 | Sema::SemaDiagnosticBuilder diagnoseNotICE(Sema &S, | ||||||||
14233 | SourceLocation Loc) override { | ||||||||
14234 | llvm_unreachable("Diagnostic suppressed")__builtin_unreachable(); | ||||||||
14235 | } | ||||||||
14236 | } Diagnoser; | ||||||||
14237 | ICE = VerifyIntegerConstantExpression(E, &Result, Diagnoser, AllowFold); | ||||||||
14238 | } else { | ||||||||
14239 | ICE = VerifyIntegerConstantExpression(E, &Result, /*FIXME*/ AllowFold); | ||||||||
14240 | } | ||||||||
14241 | if (ICE.isInvalid()) | ||||||||
14242 | return ExprError(); | ||||||||
14243 | |||||||||
14244 | if ((StrictlyPositive && !Result.isStrictlyPositive()) || | ||||||||
14245 | (!StrictlyPositive && !Result.isNonNegative())) { | ||||||||
14246 | Diag(E->getExprLoc(), diag::err_omp_negative_expression_in_clause) | ||||||||
14247 | << getOpenMPClauseName(CKind) << (StrictlyPositive ? 1 : 0) | ||||||||
14248 | << E->getSourceRange(); | ||||||||
14249 | return ExprError(); | ||||||||
14250 | } | ||||||||
14251 | if (CKind == OMPC_aligned && !Result.isPowerOf2()) { | ||||||||
14252 | Diag(E->getExprLoc(), diag::warn_omp_alignment_not_power_of_two) | ||||||||
14253 | << E->getSourceRange(); | ||||||||
14254 | return ExprError(); | ||||||||
14255 | } | ||||||||
14256 | if (CKind == OMPC_collapse && DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getAssociatedLoops() == 1) | ||||||||
14257 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setAssociatedLoops(Result.getExtValue()); | ||||||||
14258 | else if (CKind == OMPC_ordered) | ||||||||
14259 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setAssociatedLoops(Result.getExtValue()); | ||||||||
14260 | return ICE; | ||||||||
14261 | } | ||||||||
14262 | |||||||||
14263 | OMPClause *Sema::ActOnOpenMPSafelenClause(Expr *Len, SourceLocation StartLoc, | ||||||||
14264 | SourceLocation LParenLoc, | ||||||||
14265 | SourceLocation EndLoc) { | ||||||||
14266 | // OpenMP [2.8.1, simd construct, Description] | ||||||||
14267 | // The parameter of the safelen clause must be a constant | ||||||||
14268 | // positive integer expression. | ||||||||
14269 | ExprResult Safelen = VerifyPositiveIntegerConstantInClause(Len, OMPC_safelen); | ||||||||
14270 | if (Safelen.isInvalid()) | ||||||||
14271 | return nullptr; | ||||||||
14272 | return new (Context) | ||||||||
14273 | OMPSafelenClause(Safelen.get(), StartLoc, LParenLoc, EndLoc); | ||||||||
14274 | } | ||||||||
14275 | |||||||||
14276 | OMPClause *Sema::ActOnOpenMPSimdlenClause(Expr *Len, SourceLocation StartLoc, | ||||||||
14277 | SourceLocation LParenLoc, | ||||||||
14278 | SourceLocation EndLoc) { | ||||||||
14279 | // OpenMP [2.8.1, simd construct, Description] | ||||||||
14280 | // The parameter of the simdlen clause must be a constant | ||||||||
14281 | // positive integer expression. | ||||||||
14282 | ExprResult Simdlen = VerifyPositiveIntegerConstantInClause(Len, OMPC_simdlen); | ||||||||
14283 | if (Simdlen.isInvalid()) | ||||||||
14284 | return nullptr; | ||||||||
14285 | return new (Context) | ||||||||
14286 | OMPSimdlenClause(Simdlen.get(), StartLoc, LParenLoc, EndLoc); | ||||||||
14287 | } | ||||||||
14288 | |||||||||
14289 | /// Tries to find omp_allocator_handle_t type. | ||||||||
14290 | static bool findOMPAllocatorHandleT(Sema &S, SourceLocation Loc, | ||||||||
14291 | DSAStackTy *Stack) { | ||||||||
14292 | QualType OMPAllocatorHandleT = Stack->getOMPAllocatorHandleT(); | ||||||||
14293 | if (!OMPAllocatorHandleT.isNull()) | ||||||||
14294 | return true; | ||||||||
14295 | // Build the predefined allocator expressions. | ||||||||
14296 | bool ErrorFound = false; | ||||||||
14297 | for (int I = 0; I < OMPAllocateDeclAttr::OMPUserDefinedMemAlloc; ++I) { | ||||||||
14298 | auto AllocatorKind = static_cast<OMPAllocateDeclAttr::AllocatorTypeTy>(I); | ||||||||
14299 | StringRef Allocator = | ||||||||
14300 | OMPAllocateDeclAttr::ConvertAllocatorTypeTyToStr(AllocatorKind); | ||||||||
14301 | DeclarationName AllocatorName = &S.getASTContext().Idents.get(Allocator); | ||||||||
14302 | auto *VD = dyn_cast_or_null<ValueDecl>( | ||||||||
14303 | S.LookupSingleName(S.TUScope, AllocatorName, Loc, Sema::LookupAnyName)); | ||||||||
14304 | if (!VD) { | ||||||||
14305 | ErrorFound = true; | ||||||||
14306 | break; | ||||||||
14307 | } | ||||||||
14308 | QualType AllocatorType = | ||||||||
14309 | VD->getType().getNonLValueExprType(S.getASTContext()); | ||||||||
14310 | ExprResult Res = S.BuildDeclRefExpr(VD, AllocatorType, VK_LValue, Loc); | ||||||||
14311 | if (!Res.isUsable()) { | ||||||||
14312 | ErrorFound = true; | ||||||||
14313 | break; | ||||||||
14314 | } | ||||||||
14315 | if (OMPAllocatorHandleT.isNull()) | ||||||||
14316 | OMPAllocatorHandleT = AllocatorType; | ||||||||
14317 | if (!S.getASTContext().hasSameType(OMPAllocatorHandleT, AllocatorType)) { | ||||||||
14318 | ErrorFound = true; | ||||||||
14319 | break; | ||||||||
14320 | } | ||||||||
14321 | Stack->setAllocator(AllocatorKind, Res.get()); | ||||||||
14322 | } | ||||||||
14323 | if (ErrorFound) { | ||||||||
14324 | S.Diag(Loc, diag::err_omp_implied_type_not_found) | ||||||||
14325 | << "omp_allocator_handle_t"; | ||||||||
14326 | return false; | ||||||||
14327 | } | ||||||||
14328 | OMPAllocatorHandleT.addConst(); | ||||||||
14329 | Stack->setOMPAllocatorHandleT(OMPAllocatorHandleT); | ||||||||
14330 | return true; | ||||||||
14331 | } | ||||||||
14332 | |||||||||
14333 | OMPClause *Sema::ActOnOpenMPAllocatorClause(Expr *A, SourceLocation StartLoc, | ||||||||
14334 | SourceLocation LParenLoc, | ||||||||
14335 | SourceLocation EndLoc) { | ||||||||
14336 | // OpenMP [2.11.3, allocate Directive, Description] | ||||||||
14337 | // allocator is an expression of omp_allocator_handle_t type. | ||||||||
14338 | if (!findOMPAllocatorHandleT(*this, A->getExprLoc(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||||||
14339 | return nullptr; | ||||||||
14340 | |||||||||
14341 | ExprResult Allocator = DefaultLvalueConversion(A); | ||||||||
14342 | if (Allocator.isInvalid()) | ||||||||
14343 | return nullptr; | ||||||||
14344 | Allocator = PerformImplicitConversion(Allocator.get(), | ||||||||
14345 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPAllocatorHandleT(), | ||||||||
14346 | Sema::AA_Initializing, | ||||||||
14347 | /*AllowExplicit=*/true); | ||||||||
14348 | if (Allocator.isInvalid()) | ||||||||
14349 | return nullptr; | ||||||||
14350 | return new (Context) | ||||||||
14351 | OMPAllocatorClause(Allocator.get(), StartLoc, LParenLoc, EndLoc); | ||||||||
14352 | } | ||||||||
14353 | |||||||||
14354 | OMPClause *Sema::ActOnOpenMPCollapseClause(Expr *NumForLoops, | ||||||||
14355 | SourceLocation StartLoc, | ||||||||
14356 | SourceLocation LParenLoc, | ||||||||
14357 | SourceLocation EndLoc) { | ||||||||
14358 | // OpenMP [2.7.1, loop construct, Description] | ||||||||
14359 | // OpenMP [2.8.1, simd construct, Description] | ||||||||
14360 | // OpenMP [2.9.6, distribute construct, Description] | ||||||||
14361 | // The parameter of the collapse clause must be a constant | ||||||||
14362 | // positive integer expression. | ||||||||
14363 | ExprResult NumForLoopsResult = | ||||||||
14364 | VerifyPositiveIntegerConstantInClause(NumForLoops, OMPC_collapse); | ||||||||
14365 | if (NumForLoopsResult.isInvalid()) | ||||||||
14366 | return nullptr; | ||||||||
14367 | return new (Context) | ||||||||
14368 | OMPCollapseClause(NumForLoopsResult.get(), StartLoc, LParenLoc, EndLoc); | ||||||||
14369 | } | ||||||||
14370 | |||||||||
14371 | OMPClause *Sema::ActOnOpenMPOrderedClause(SourceLocation StartLoc, | ||||||||
14372 | SourceLocation EndLoc, | ||||||||
14373 | SourceLocation LParenLoc, | ||||||||
14374 | Expr *NumForLoops) { | ||||||||
14375 | // OpenMP [2.7.1, loop construct, Description] | ||||||||
14376 | // OpenMP [2.8.1, simd construct, Description] | ||||||||
14377 | // OpenMP [2.9.6, distribute construct, Description] | ||||||||
14378 | // The parameter of the ordered clause must be a constant | ||||||||
14379 | // positive integer expression if any. | ||||||||
14380 | if (NumForLoops && LParenLoc.isValid()) { | ||||||||
14381 | ExprResult NumForLoopsResult = | ||||||||
14382 | VerifyPositiveIntegerConstantInClause(NumForLoops, OMPC_ordered); | ||||||||
14383 | if (NumForLoopsResult.isInvalid()) | ||||||||
14384 | return nullptr; | ||||||||
14385 | NumForLoops = NumForLoopsResult.get(); | ||||||||
14386 | } else { | ||||||||
14387 | NumForLoops = nullptr; | ||||||||
14388 | } | ||||||||
14389 | auto *Clause = OMPOrderedClause::Create( | ||||||||
14390 | Context, NumForLoops, NumForLoops ? DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getAssociatedLoops() : 0, | ||||||||
14391 | StartLoc, LParenLoc, EndLoc); | ||||||||
14392 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setOrderedRegion(/*IsOrdered=*/true, NumForLoops, Clause); | ||||||||
14393 | return Clause; | ||||||||
14394 | } | ||||||||
14395 | |||||||||
14396 | OMPClause *Sema::ActOnOpenMPSimpleClause( | ||||||||
14397 | OpenMPClauseKind Kind, unsigned Argument, SourceLocation ArgumentLoc, | ||||||||
14398 | SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation EndLoc) { | ||||||||
14399 | OMPClause *Res = nullptr; | ||||||||
14400 | switch (Kind) { | ||||||||
14401 | case OMPC_default: | ||||||||
14402 | Res = ActOnOpenMPDefaultClause(static_cast<DefaultKind>(Argument), | ||||||||
14403 | ArgumentLoc, StartLoc, LParenLoc, EndLoc); | ||||||||
14404 | break; | ||||||||
14405 | case OMPC_proc_bind: | ||||||||
14406 | Res = ActOnOpenMPProcBindClause(static_cast<ProcBindKind>(Argument), | ||||||||
14407 | ArgumentLoc, StartLoc, LParenLoc, EndLoc); | ||||||||
14408 | break; | ||||||||
14409 | case OMPC_atomic_default_mem_order: | ||||||||
14410 | Res = ActOnOpenMPAtomicDefaultMemOrderClause( | ||||||||
14411 | static_cast<OpenMPAtomicDefaultMemOrderClauseKind>(Argument), | ||||||||
14412 | ArgumentLoc, StartLoc, LParenLoc, EndLoc); | ||||||||
14413 | break; | ||||||||
14414 | case OMPC_order: | ||||||||
14415 | Res = ActOnOpenMPOrderClause(static_cast<OpenMPOrderClauseKind>(Argument), | ||||||||
14416 | ArgumentLoc, StartLoc, LParenLoc, EndLoc); | ||||||||
14417 | break; | ||||||||
14418 | case OMPC_update: | ||||||||
14419 | Res = ActOnOpenMPUpdateClause(static_cast<OpenMPDependClauseKind>(Argument), | ||||||||
14420 | ArgumentLoc, StartLoc, LParenLoc, EndLoc); | ||||||||
14421 | break; | ||||||||
14422 | case OMPC_if: | ||||||||
14423 | case OMPC_final: | ||||||||
14424 | case OMPC_num_threads: | ||||||||
14425 | case OMPC_safelen: | ||||||||
14426 | case OMPC_simdlen: | ||||||||
14427 | case OMPC_sizes: | ||||||||
14428 | case OMPC_allocator: | ||||||||
14429 | case OMPC_collapse: | ||||||||
14430 | case OMPC_schedule: | ||||||||
14431 | case OMPC_private: | ||||||||
14432 | case OMPC_firstprivate: | ||||||||
14433 | case OMPC_lastprivate: | ||||||||
14434 | case OMPC_shared: | ||||||||
14435 | case OMPC_reduction: | ||||||||
14436 | case OMPC_task_reduction: | ||||||||
14437 | case OMPC_in_reduction: | ||||||||
14438 | case OMPC_linear: | ||||||||
14439 | case OMPC_aligned: | ||||||||
14440 | case OMPC_copyin: | ||||||||
14441 | case OMPC_copyprivate: | ||||||||
14442 | case OMPC_ordered: | ||||||||
14443 | case OMPC_nowait: | ||||||||
14444 | case OMPC_untied: | ||||||||
14445 | case OMPC_mergeable: | ||||||||
14446 | case OMPC_threadprivate: | ||||||||
14447 | case OMPC_allocate: | ||||||||
14448 | case OMPC_flush: | ||||||||
14449 | case OMPC_depobj: | ||||||||
14450 | case OMPC_read: | ||||||||
14451 | case OMPC_write: | ||||||||
14452 | case OMPC_capture: | ||||||||
14453 | case OMPC_seq_cst: | ||||||||
14454 | case OMPC_acq_rel: | ||||||||
14455 | case OMPC_acquire: | ||||||||
14456 | case OMPC_release: | ||||||||
14457 | case OMPC_relaxed: | ||||||||
14458 | case OMPC_depend: | ||||||||
14459 | case OMPC_device: | ||||||||
14460 | case OMPC_threads: | ||||||||
14461 | case OMPC_simd: | ||||||||
14462 | case OMPC_map: | ||||||||
14463 | case OMPC_num_teams: | ||||||||
14464 | case OMPC_thread_limit: | ||||||||
14465 | case OMPC_priority: | ||||||||
14466 | case OMPC_grainsize: | ||||||||
14467 | case OMPC_nogroup: | ||||||||
14468 | case OMPC_num_tasks: | ||||||||
14469 | case OMPC_hint: | ||||||||
14470 | case OMPC_dist_schedule: | ||||||||
14471 | case OMPC_defaultmap: | ||||||||
14472 | case OMPC_unknown: | ||||||||
14473 | case OMPC_uniform: | ||||||||
14474 | case OMPC_to: | ||||||||
14475 | case OMPC_from: | ||||||||
14476 | case OMPC_use_device_ptr: | ||||||||
14477 | case OMPC_use_device_addr: | ||||||||
14478 | case OMPC_is_device_ptr: | ||||||||
14479 | case OMPC_unified_address: | ||||||||
14480 | case OMPC_unified_shared_memory: | ||||||||
14481 | case OMPC_reverse_offload: | ||||||||
14482 | case OMPC_dynamic_allocators: | ||||||||
14483 | case OMPC_device_type: | ||||||||
14484 | case OMPC_match: | ||||||||
14485 | case OMPC_nontemporal: | ||||||||
14486 | case OMPC_destroy: | ||||||||
14487 | case OMPC_novariants: | ||||||||
14488 | case OMPC_nocontext: | ||||||||
14489 | case OMPC_detach: | ||||||||
14490 | case OMPC_inclusive: | ||||||||
14491 | case OMPC_exclusive: | ||||||||
14492 | case OMPC_uses_allocators: | ||||||||
14493 | case OMPC_affinity: | ||||||||
14494 | default: | ||||||||
14495 | llvm_unreachable("Clause is not allowed.")__builtin_unreachable(); | ||||||||
14496 | } | ||||||||
14497 | return Res; | ||||||||
14498 | } | ||||||||
14499 | |||||||||
14500 | static std::string | ||||||||
14501 | getListOfPossibleValues(OpenMPClauseKind K, unsigned First, unsigned Last, | ||||||||
14502 | ArrayRef<unsigned> Exclude = llvm::None) { | ||||||||
14503 | SmallString<256> Buffer; | ||||||||
14504 | llvm::raw_svector_ostream Out(Buffer); | ||||||||
14505 | unsigned Skipped = Exclude.size(); | ||||||||
14506 | auto S = Exclude.begin(), E = Exclude.end(); | ||||||||
14507 | for (unsigned I = First; I < Last; ++I) { | ||||||||
14508 | if (std::find(S, E, I) != E) { | ||||||||
14509 | --Skipped; | ||||||||
14510 | continue; | ||||||||
14511 | } | ||||||||
14512 | Out << "'" << getOpenMPSimpleClauseTypeName(K, I) << "'"; | ||||||||
14513 | if (I + Skipped + 2 == Last) | ||||||||
14514 | Out << " or "; | ||||||||
14515 | else if (I + Skipped + 1 != Last) | ||||||||
14516 | Out << ", "; | ||||||||
14517 | } | ||||||||
14518 | return std::string(Out.str()); | ||||||||
14519 | } | ||||||||
14520 | |||||||||
14521 | OMPClause *Sema::ActOnOpenMPDefaultClause(DefaultKind Kind, | ||||||||
14522 | SourceLocation KindKwLoc, | ||||||||
14523 | SourceLocation StartLoc, | ||||||||
14524 | SourceLocation LParenLoc, | ||||||||
14525 | SourceLocation EndLoc) { | ||||||||
14526 | if (Kind == OMP_DEFAULT_unknown) { | ||||||||
14527 | Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) | ||||||||
14528 | << getListOfPossibleValues(OMPC_default, /*First=*/0, | ||||||||
14529 | /*Last=*/unsigned(OMP_DEFAULT_unknown)) | ||||||||
14530 | << getOpenMPClauseName(OMPC_default); | ||||||||
14531 | return nullptr; | ||||||||
14532 | } | ||||||||
14533 | |||||||||
14534 | switch (Kind) { | ||||||||
14535 | case OMP_DEFAULT_none: | ||||||||
14536 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDSANone(KindKwLoc); | ||||||||
14537 | break; | ||||||||
14538 | case OMP_DEFAULT_shared: | ||||||||
14539 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDSAShared(KindKwLoc); | ||||||||
14540 | break; | ||||||||
14541 | case OMP_DEFAULT_firstprivate: | ||||||||
14542 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDSAFirstPrivate(KindKwLoc); | ||||||||
14543 | break; | ||||||||
14544 | default: | ||||||||
14545 | llvm_unreachable("DSA unexpected in OpenMP default clause")__builtin_unreachable(); | ||||||||
14546 | } | ||||||||
14547 | |||||||||
14548 | return new (Context) | ||||||||
14549 | OMPDefaultClause(Kind, KindKwLoc, StartLoc, LParenLoc, EndLoc); | ||||||||
14550 | } | ||||||||
14551 | |||||||||
14552 | OMPClause *Sema::ActOnOpenMPProcBindClause(ProcBindKind Kind, | ||||||||
14553 | SourceLocation KindKwLoc, | ||||||||
14554 | SourceLocation StartLoc, | ||||||||
14555 | SourceLocation LParenLoc, | ||||||||
14556 | SourceLocation EndLoc) { | ||||||||
14557 | if (Kind == OMP_PROC_BIND_unknown) { | ||||||||
14558 | Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) | ||||||||
14559 | << getListOfPossibleValues(OMPC_proc_bind, | ||||||||
14560 | /*First=*/unsigned(OMP_PROC_BIND_master), | ||||||||
14561 | /*Last=*/ | ||||||||
14562 | unsigned(LangOpts.OpenMP > 50 | ||||||||
14563 | ? OMP_PROC_BIND_primary | ||||||||
14564 | : OMP_PROC_BIND_spread) + | ||||||||
14565 | 1) | ||||||||
14566 | << getOpenMPClauseName(OMPC_proc_bind); | ||||||||
14567 | return nullptr; | ||||||||
14568 | } | ||||||||
14569 | if (Kind == OMP_PROC_BIND_primary && LangOpts.OpenMP < 51) | ||||||||
14570 | Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) | ||||||||
14571 | << getListOfPossibleValues(OMPC_proc_bind, | ||||||||
14572 | /*First=*/unsigned(OMP_PROC_BIND_master), | ||||||||
14573 | /*Last=*/ | ||||||||
14574 | unsigned(OMP_PROC_BIND_spread) + 1) | ||||||||
14575 | << getOpenMPClauseName(OMPC_proc_bind); | ||||||||
14576 | return new (Context) | ||||||||
14577 | OMPProcBindClause(Kind, KindKwLoc, StartLoc, LParenLoc, EndLoc); | ||||||||
14578 | } | ||||||||
14579 | |||||||||
14580 | OMPClause *Sema::ActOnOpenMPAtomicDefaultMemOrderClause( | ||||||||
14581 | OpenMPAtomicDefaultMemOrderClauseKind Kind, SourceLocation KindKwLoc, | ||||||||
14582 | SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation EndLoc) { | ||||||||
14583 | if (Kind == OMPC_ATOMIC_DEFAULT_MEM_ORDER_unknown) { | ||||||||
14584 | Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) | ||||||||
14585 | << getListOfPossibleValues( | ||||||||
14586 | OMPC_atomic_default_mem_order, /*First=*/0, | ||||||||
14587 | /*Last=*/OMPC_ATOMIC_DEFAULT_MEM_ORDER_unknown) | ||||||||
14588 | << getOpenMPClauseName(OMPC_atomic_default_mem_order); | ||||||||
14589 | return nullptr; | ||||||||
14590 | } | ||||||||
14591 | return new (Context) OMPAtomicDefaultMemOrderClause(Kind, KindKwLoc, StartLoc, | ||||||||
14592 | LParenLoc, EndLoc); | ||||||||
14593 | } | ||||||||
14594 | |||||||||
14595 | OMPClause *Sema::ActOnOpenMPOrderClause(OpenMPOrderClauseKind Kind, | ||||||||
14596 | SourceLocation KindKwLoc, | ||||||||
14597 | SourceLocation StartLoc, | ||||||||
14598 | SourceLocation LParenLoc, | ||||||||
14599 | SourceLocation EndLoc) { | ||||||||
14600 | if (Kind == OMPC_ORDER_unknown) { | ||||||||
14601 | static_assert(OMPC_ORDER_unknown > 0, | ||||||||
14602 | "OMPC_ORDER_unknown not greater than 0"); | ||||||||
14603 | Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) | ||||||||
14604 | << getListOfPossibleValues(OMPC_order, /*First=*/0, | ||||||||
14605 | /*Last=*/OMPC_ORDER_unknown) | ||||||||
14606 | << getOpenMPClauseName(OMPC_order); | ||||||||
14607 | return nullptr; | ||||||||
14608 | } | ||||||||
14609 | return new (Context) | ||||||||
14610 | OMPOrderClause(Kind, KindKwLoc, StartLoc, LParenLoc, EndLoc); | ||||||||
14611 | } | ||||||||
14612 | |||||||||
14613 | OMPClause *Sema::ActOnOpenMPUpdateClause(OpenMPDependClauseKind Kind, | ||||||||
14614 | SourceLocation KindKwLoc, | ||||||||
14615 | SourceLocation StartLoc, | ||||||||
14616 | SourceLocation LParenLoc, | ||||||||
14617 | SourceLocation EndLoc) { | ||||||||
14618 | if (Kind == OMPC_DEPEND_unknown || Kind == OMPC_DEPEND_source || | ||||||||
14619 | Kind == OMPC_DEPEND_sink || Kind == OMPC_DEPEND_depobj) { | ||||||||
14620 | unsigned Except[] = {OMPC_DEPEND_source, OMPC_DEPEND_sink, | ||||||||
14621 | OMPC_DEPEND_depobj}; | ||||||||
14622 | Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) | ||||||||
14623 | << getListOfPossibleValues(OMPC_depend, /*First=*/0, | ||||||||
14624 | /*Last=*/OMPC_DEPEND_unknown, Except) | ||||||||
14625 | << getOpenMPClauseName(OMPC_update); | ||||||||
14626 | return nullptr; | ||||||||
14627 | } | ||||||||
14628 | return OMPUpdateClause::Create(Context, StartLoc, LParenLoc, KindKwLoc, Kind, | ||||||||
14629 | EndLoc); | ||||||||
14630 | } | ||||||||
14631 | |||||||||
14632 | OMPClause *Sema::ActOnOpenMPSizesClause(ArrayRef<Expr *> SizeExprs, | ||||||||
14633 | SourceLocation StartLoc, | ||||||||
14634 | SourceLocation LParenLoc, | ||||||||
14635 | SourceLocation EndLoc) { | ||||||||
14636 | for (Expr *SizeExpr : SizeExprs) { | ||||||||
14637 | ExprResult NumForLoopsResult = VerifyPositiveIntegerConstantInClause( | ||||||||
14638 | SizeExpr, OMPC_sizes, /*StrictlyPositive=*/true); | ||||||||
14639 | if (!NumForLoopsResult.isUsable()) | ||||||||
14640 | return nullptr; | ||||||||
14641 | } | ||||||||
14642 | |||||||||
14643 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setAssociatedLoops(SizeExprs.size()); | ||||||||
14644 | return OMPSizesClause::Create(Context, StartLoc, LParenLoc, EndLoc, | ||||||||
14645 | SizeExprs); | ||||||||
14646 | } | ||||||||
14647 | |||||||||
14648 | OMPClause *Sema::ActOnOpenMPFullClause(SourceLocation StartLoc, | ||||||||
14649 | SourceLocation EndLoc) { | ||||||||
14650 | return OMPFullClause::Create(Context, StartLoc, EndLoc); | ||||||||
14651 | } | ||||||||
14652 | |||||||||
14653 | OMPClause *Sema::ActOnOpenMPPartialClause(Expr *FactorExpr, | ||||||||
14654 | SourceLocation StartLoc, | ||||||||
14655 | SourceLocation LParenLoc, | ||||||||
14656 | SourceLocation EndLoc) { | ||||||||
14657 | if (FactorExpr) { | ||||||||
14658 | // If an argument is specified, it must be a constant (or an unevaluated | ||||||||
14659 | // template expression). | ||||||||
14660 | ExprResult FactorResult = VerifyPositiveIntegerConstantInClause( | ||||||||
14661 | FactorExpr, OMPC_partial, /*StrictlyPositive=*/true); | ||||||||
14662 | if (FactorResult.isInvalid()) | ||||||||
14663 | return nullptr; | ||||||||
14664 | FactorExpr = FactorResult.get(); | ||||||||
14665 | } | ||||||||
14666 | |||||||||
14667 | return OMPPartialClause::Create(Context, StartLoc, LParenLoc, EndLoc, | ||||||||
14668 | FactorExpr); | ||||||||
14669 | } | ||||||||
14670 | |||||||||
14671 | OMPClause *Sema::ActOnOpenMPSingleExprWithArgClause( | ||||||||
14672 | OpenMPClauseKind Kind, ArrayRef<unsigned> Argument, Expr *Expr, | ||||||||
14673 | SourceLocation StartLoc, SourceLocation LParenLoc, | ||||||||
14674 | ArrayRef<SourceLocation> ArgumentLoc, SourceLocation DelimLoc, | ||||||||
14675 | SourceLocation EndLoc) { | ||||||||
14676 | OMPClause *Res = nullptr; | ||||||||
14677 | switch (Kind) { | ||||||||
14678 | case OMPC_schedule: | ||||||||
14679 | enum { Modifier1, Modifier2, ScheduleKind, NumberOfElements }; | ||||||||
14680 | assert(Argument.size() == NumberOfElements &&((void)0) | ||||||||
14681 | ArgumentLoc.size() == NumberOfElements)((void)0); | ||||||||
14682 | Res = ActOnOpenMPScheduleClause( | ||||||||
14683 | static_cast<OpenMPScheduleClauseModifier>(Argument[Modifier1]), | ||||||||
14684 | static_cast<OpenMPScheduleClauseModifier>(Argument[Modifier2]), | ||||||||
14685 | static_cast<OpenMPScheduleClauseKind>(Argument[ScheduleKind]), Expr, | ||||||||
14686 | StartLoc, LParenLoc, ArgumentLoc[Modifier1], ArgumentLoc[Modifier2], | ||||||||
14687 | ArgumentLoc[ScheduleKind], DelimLoc, EndLoc); | ||||||||
14688 | break; | ||||||||
14689 | case OMPC_if: | ||||||||
14690 | assert(Argument.size() == 1 && ArgumentLoc.size() == 1)((void)0); | ||||||||
14691 | Res = ActOnOpenMPIfClause(static_cast<OpenMPDirectiveKind>(Argument.back()), | ||||||||
14692 | Expr, StartLoc, LParenLoc, ArgumentLoc.back(), | ||||||||
14693 | DelimLoc, EndLoc); | ||||||||
14694 | break; | ||||||||
14695 | case OMPC_dist_schedule: | ||||||||
14696 | Res = ActOnOpenMPDistScheduleClause( | ||||||||
14697 | static_cast<OpenMPDistScheduleClauseKind>(Argument.back()), Expr, | ||||||||
14698 | StartLoc, LParenLoc, ArgumentLoc.back(), DelimLoc, EndLoc); | ||||||||
14699 | break; | ||||||||
14700 | case OMPC_defaultmap: | ||||||||
14701 | enum { Modifier, DefaultmapKind }; | ||||||||
14702 | Res = ActOnOpenMPDefaultmapClause( | ||||||||
14703 | static_cast<OpenMPDefaultmapClauseModifier>(Argument[Modifier]), | ||||||||
14704 | static_cast<OpenMPDefaultmapClauseKind>(Argument[DefaultmapKind]), | ||||||||
14705 | StartLoc, LParenLoc, ArgumentLoc[Modifier], ArgumentLoc[DefaultmapKind], | ||||||||
14706 | EndLoc); | ||||||||
14707 | break; | ||||||||
14708 | case OMPC_device: | ||||||||
14709 | assert(Argument.size() == 1 && ArgumentLoc.size() == 1)((void)0); | ||||||||
14710 | Res = ActOnOpenMPDeviceClause( | ||||||||
14711 | static_cast<OpenMPDeviceClauseModifier>(Argument.back()), Expr, | ||||||||
14712 | StartLoc, LParenLoc, ArgumentLoc.back(), EndLoc); | ||||||||
14713 | break; | ||||||||
14714 | case OMPC_final: | ||||||||
14715 | case OMPC_num_threads: | ||||||||
14716 | case OMPC_safelen: | ||||||||
14717 | case OMPC_simdlen: | ||||||||
14718 | case OMPC_sizes: | ||||||||
14719 | case OMPC_allocator: | ||||||||
14720 | case OMPC_collapse: | ||||||||
14721 | case OMPC_default: | ||||||||
14722 | case OMPC_proc_bind: | ||||||||
14723 | case OMPC_private: | ||||||||
14724 | case OMPC_firstprivate: | ||||||||
14725 | case OMPC_lastprivate: | ||||||||
14726 | case OMPC_shared: | ||||||||
14727 | case OMPC_reduction: | ||||||||
14728 | case OMPC_task_reduction: | ||||||||
14729 | case OMPC_in_reduction: | ||||||||
14730 | case OMPC_linear: | ||||||||
14731 | case OMPC_aligned: | ||||||||
14732 | case OMPC_copyin: | ||||||||
14733 | case OMPC_copyprivate: | ||||||||
14734 | case OMPC_ordered: | ||||||||
14735 | case OMPC_nowait: | ||||||||
14736 | case OMPC_untied: | ||||||||
14737 | case OMPC_mergeable: | ||||||||
14738 | case OMPC_threadprivate: | ||||||||
14739 | case OMPC_allocate: | ||||||||
14740 | case OMPC_flush: | ||||||||
14741 | case OMPC_depobj: | ||||||||
14742 | case OMPC_read: | ||||||||
14743 | case OMPC_write: | ||||||||
14744 | case OMPC_update: | ||||||||
14745 | case OMPC_capture: | ||||||||
14746 | case OMPC_seq_cst: | ||||||||
14747 | case OMPC_acq_rel: | ||||||||
14748 | case OMPC_acquire: | ||||||||
14749 | case OMPC_release: | ||||||||
14750 | case OMPC_relaxed: | ||||||||
14751 | case OMPC_depend: | ||||||||
14752 | case OMPC_threads: | ||||||||
14753 | case OMPC_simd: | ||||||||
14754 | case OMPC_map: | ||||||||
14755 | case OMPC_num_teams: | ||||||||
14756 | case OMPC_thread_limit: | ||||||||
14757 | case OMPC_priority: | ||||||||
14758 | case OMPC_grainsize: | ||||||||
14759 | case OMPC_nogroup: | ||||||||
14760 | case OMPC_num_tasks: | ||||||||
14761 | case OMPC_hint: | ||||||||
14762 | case OMPC_unknown: | ||||||||
14763 | case OMPC_uniform: | ||||||||
14764 | case OMPC_to: | ||||||||
14765 | case OMPC_from: | ||||||||
14766 | case OMPC_use_device_ptr: | ||||||||
14767 | case OMPC_use_device_addr: | ||||||||
14768 | case OMPC_is_device_ptr: | ||||||||
14769 | case OMPC_unified_address: | ||||||||
14770 | case OMPC_unified_shared_memory: | ||||||||
14771 | case OMPC_reverse_offload: | ||||||||
14772 | case OMPC_dynamic_allocators: | ||||||||
14773 | case OMPC_atomic_default_mem_order: | ||||||||
14774 | case OMPC_device_type: | ||||||||
14775 | case OMPC_match: | ||||||||
14776 | case OMPC_nontemporal: | ||||||||
14777 | case OMPC_order: | ||||||||
14778 | case OMPC_destroy: | ||||||||
14779 | case OMPC_novariants: | ||||||||
14780 | case OMPC_nocontext: | ||||||||
14781 | case OMPC_detach: | ||||||||
14782 | case OMPC_inclusive: | ||||||||
14783 | case OMPC_exclusive: | ||||||||
14784 | case OMPC_uses_allocators: | ||||||||
14785 | case OMPC_affinity: | ||||||||
14786 | default: | ||||||||
14787 | llvm_unreachable("Clause is not allowed.")__builtin_unreachable(); | ||||||||
14788 | } | ||||||||
14789 | return Res; | ||||||||
14790 | } | ||||||||
14791 | |||||||||
14792 | static bool checkScheduleModifiers(Sema &S, OpenMPScheduleClauseModifier M1, | ||||||||
14793 | OpenMPScheduleClauseModifier M2, | ||||||||
14794 | SourceLocation M1Loc, SourceLocation M2Loc) { | ||||||||
14795 | if (M1 == OMPC_SCHEDULE_MODIFIER_unknown && M1Loc.isValid()) { | ||||||||
14796 | SmallVector<unsigned, 2> Excluded; | ||||||||
14797 | if (M2 != OMPC_SCHEDULE_MODIFIER_unknown) | ||||||||
14798 | Excluded.push_back(M2); | ||||||||
14799 | if (M2 == OMPC_SCHEDULE_MODIFIER_nonmonotonic) | ||||||||
14800 | Excluded.push_back(OMPC_SCHEDULE_MODIFIER_monotonic); | ||||||||
14801 | if (M2 == OMPC_SCHEDULE_MODIFIER_monotonic) | ||||||||
14802 | Excluded.push_back(OMPC_SCHEDULE_MODIFIER_nonmonotonic); | ||||||||
14803 | S.Diag(M1Loc, diag::err_omp_unexpected_clause_value) | ||||||||
14804 | << getListOfPossibleValues(OMPC_schedule, | ||||||||
14805 | /*First=*/OMPC_SCHEDULE_MODIFIER_unknown + 1, | ||||||||
14806 | /*Last=*/OMPC_SCHEDULE_MODIFIER_last, | ||||||||
14807 | Excluded) | ||||||||
14808 | << getOpenMPClauseName(OMPC_schedule); | ||||||||
14809 | return true; | ||||||||
14810 | } | ||||||||
14811 | return false; | ||||||||
14812 | } | ||||||||
14813 | |||||||||
14814 | OMPClause *Sema::ActOnOpenMPScheduleClause( | ||||||||
14815 | OpenMPScheduleClauseModifier M1, OpenMPScheduleClauseModifier M2, | ||||||||
14816 | OpenMPScheduleClauseKind Kind, Expr *ChunkSize, SourceLocation StartLoc, | ||||||||
14817 | SourceLocation LParenLoc, SourceLocation M1Loc, SourceLocation M2Loc, | ||||||||
14818 | SourceLocation KindLoc, SourceLocation CommaLoc, SourceLocation EndLoc) { | ||||||||
14819 | if (checkScheduleModifiers(*this, M1, M2, M1Loc, M2Loc) || | ||||||||
14820 | checkScheduleModifiers(*this, M2, M1, M2Loc, M1Loc)) | ||||||||
14821 | return nullptr; | ||||||||
14822 | // OpenMP, 2.7.1, Loop Construct, Restrictions | ||||||||
14823 | // Either the monotonic modifier or the nonmonotonic modifier can be specified | ||||||||
14824 | // but not both. | ||||||||
14825 | if ((M1 == M2 && M1 != OMPC_SCHEDULE_MODIFIER_unknown) || | ||||||||
14826 | (M1 == OMPC_SCHEDULE_MODIFIER_monotonic && | ||||||||
14827 | M2 == OMPC_SCHEDULE_MODIFIER_nonmonotonic) || | ||||||||
14828 | (M1 == OMPC_SCHEDULE_MODIFIER_nonmonotonic && | ||||||||
14829 | M2 == OMPC_SCHEDULE_MODIFIER_monotonic)) { | ||||||||
14830 | Diag(M2Loc, diag::err_omp_unexpected_schedule_modifier) | ||||||||
14831 | << getOpenMPSimpleClauseTypeName(OMPC_schedule, M2) | ||||||||
14832 | << getOpenMPSimpleClauseTypeName(OMPC_schedule, M1); | ||||||||
14833 | return nullptr; | ||||||||
14834 | } | ||||||||
14835 | if (Kind == OMPC_SCHEDULE_unknown) { | ||||||||
14836 | std::string Values; | ||||||||
14837 | if (M1Loc.isInvalid() && M2Loc.isInvalid()) { | ||||||||
14838 | unsigned Exclude[] = {OMPC_SCHEDULE_unknown}; | ||||||||
14839 | Values = getListOfPossibleValues(OMPC_schedule, /*First=*/0, | ||||||||
14840 | /*Last=*/OMPC_SCHEDULE_MODIFIER_last, | ||||||||
14841 | Exclude); | ||||||||
14842 | } else { | ||||||||
14843 | Values = getListOfPossibleValues(OMPC_schedule, /*First=*/0, | ||||||||
14844 | /*Last=*/OMPC_SCHEDULE_unknown); | ||||||||
14845 | } | ||||||||
14846 | Diag(KindLoc, diag::err_omp_unexpected_clause_value) | ||||||||
14847 | << Values << getOpenMPClauseName(OMPC_schedule); | ||||||||
14848 | return nullptr; | ||||||||
14849 | } | ||||||||
14850 | // OpenMP, 2.7.1, Loop Construct, Restrictions | ||||||||
14851 | // The nonmonotonic modifier can only be specified with schedule(dynamic) or | ||||||||
14852 | // schedule(guided). | ||||||||
14853 | // OpenMP 5.0 does not have this restriction. | ||||||||
14854 | if (LangOpts.OpenMP < 50 && | ||||||||
14855 | (M1 == OMPC_SCHEDULE_MODIFIER_nonmonotonic || | ||||||||
14856 | M2 == OMPC_SCHEDULE_MODIFIER_nonmonotonic) && | ||||||||
14857 | Kind != OMPC_SCHEDULE_dynamic && Kind != OMPC_SCHEDULE_guided) { | ||||||||
14858 | Diag(M1 == OMPC_SCHEDULE_MODIFIER_nonmonotonic ? M1Loc : M2Loc, | ||||||||
14859 | diag::err_omp_schedule_nonmonotonic_static); | ||||||||
14860 | return nullptr; | ||||||||
14861 | } | ||||||||
14862 | Expr *ValExpr = ChunkSize; | ||||||||
14863 | Stmt *HelperValStmt = nullptr; | ||||||||
14864 | if (ChunkSize) { | ||||||||
14865 | if (!ChunkSize->isValueDependent() && !ChunkSize->isTypeDependent() && | ||||||||
14866 | !ChunkSize->isInstantiationDependent() && | ||||||||
14867 | !ChunkSize->containsUnexpandedParameterPack()) { | ||||||||
14868 | SourceLocation ChunkSizeLoc = ChunkSize->getBeginLoc(); | ||||||||
14869 | ExprResult Val = | ||||||||
14870 | PerformOpenMPImplicitIntegerConversion(ChunkSizeLoc, ChunkSize); | ||||||||
14871 | if (Val.isInvalid()) | ||||||||
14872 | return nullptr; | ||||||||
14873 | |||||||||
14874 | ValExpr = Val.get(); | ||||||||
14875 | |||||||||
14876 | // OpenMP [2.7.1, Restrictions] | ||||||||
14877 | // chunk_size must be a loop invariant integer expression with a positive | ||||||||
14878 | // value. | ||||||||
14879 | if (Optional<llvm::APSInt> Result = | ||||||||
14880 | ValExpr->getIntegerConstantExpr(Context)) { | ||||||||
14881 | if (Result->isSigned() && !Result->isStrictlyPositive()) { | ||||||||
14882 | Diag(ChunkSizeLoc, diag::err_omp_negative_expression_in_clause) | ||||||||
14883 | << "schedule" << 1 << ChunkSize->getSourceRange(); | ||||||||
14884 | return nullptr; | ||||||||
14885 | } | ||||||||
14886 | } else if (getOpenMPCaptureRegionForClause( | ||||||||
14887 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(), OMPC_schedule, | ||||||||
14888 | LangOpts.OpenMP) != OMPD_unknown && | ||||||||
14889 | !CurContext->isDependentContext()) { | ||||||||
14890 | ValExpr = MakeFullExpr(ValExpr).get(); | ||||||||
14891 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | ||||||||
14892 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | ||||||||
14893 | HelperValStmt = buildPreInits(Context, Captures); | ||||||||
14894 | } | ||||||||
14895 | } | ||||||||
14896 | } | ||||||||
14897 | |||||||||
14898 | return new (Context) | ||||||||
14899 | OMPScheduleClause(StartLoc, LParenLoc, KindLoc, CommaLoc, EndLoc, Kind, | ||||||||
14900 | ValExpr, HelperValStmt, M1, M1Loc, M2, M2Loc); | ||||||||
14901 | } | ||||||||
14902 | |||||||||
14903 | OMPClause *Sema::ActOnOpenMPClause(OpenMPClauseKind Kind, | ||||||||
14904 | SourceLocation StartLoc, | ||||||||
14905 | SourceLocation EndLoc) { | ||||||||
14906 | OMPClause *Res = nullptr; | ||||||||
14907 | switch (Kind) { | ||||||||
14908 | case OMPC_ordered: | ||||||||
14909 | Res = ActOnOpenMPOrderedClause(StartLoc, EndLoc); | ||||||||
14910 | break; | ||||||||
14911 | case OMPC_nowait: | ||||||||
14912 | Res = ActOnOpenMPNowaitClause(StartLoc, EndLoc); | ||||||||
14913 | break; | ||||||||
14914 | case OMPC_untied: | ||||||||
14915 | Res = ActOnOpenMPUntiedClause(StartLoc, EndLoc); | ||||||||
14916 | break; | ||||||||
14917 | case OMPC_mergeable: | ||||||||
14918 | Res = ActOnOpenMPMergeableClause(StartLoc, EndLoc); | ||||||||
14919 | break; | ||||||||
14920 | case OMPC_read: | ||||||||
14921 | Res = ActOnOpenMPReadClause(StartLoc, EndLoc); | ||||||||
14922 | break; | ||||||||
14923 | case OMPC_write: | ||||||||
14924 | Res = ActOnOpenMPWriteClause(StartLoc, EndLoc); | ||||||||
14925 | break; | ||||||||
14926 | case OMPC_update: | ||||||||
14927 | Res = ActOnOpenMPUpdateClause(StartLoc, EndLoc); | ||||||||
14928 | break; | ||||||||
14929 | case OMPC_capture: | ||||||||
14930 | Res = ActOnOpenMPCaptureClause(StartLoc, EndLoc); | ||||||||
14931 | break; | ||||||||
14932 | case OMPC_seq_cst: | ||||||||
14933 | Res = ActOnOpenMPSeqCstClause(StartLoc, EndLoc); | ||||||||
14934 | break; | ||||||||
14935 | case OMPC_acq_rel: | ||||||||
14936 | Res = ActOnOpenMPAcqRelClause(StartLoc, EndLoc); | ||||||||
14937 | break; | ||||||||
14938 | case OMPC_acquire: | ||||||||
14939 | Res = ActOnOpenMPAcquireClause(StartLoc, EndLoc); | ||||||||
14940 | break; | ||||||||
14941 | case OMPC_release: | ||||||||
14942 | Res = ActOnOpenMPReleaseClause(StartLoc, EndLoc); | ||||||||
14943 | break; | ||||||||
14944 | case OMPC_relaxed: | ||||||||
14945 | Res = ActOnOpenMPRelaxedClause(StartLoc, EndLoc); | ||||||||
14946 | break; | ||||||||
14947 | case OMPC_threads: | ||||||||
14948 | Res = ActOnOpenMPThreadsClause(StartLoc, EndLoc); | ||||||||
14949 | break; | ||||||||
14950 | case OMPC_simd: | ||||||||
14951 | Res = ActOnOpenMPSIMDClause(StartLoc, EndLoc); | ||||||||
14952 | break; | ||||||||
14953 | case OMPC_nogroup: | ||||||||
14954 | Res = ActOnOpenMPNogroupClause(StartLoc, EndLoc); | ||||||||
14955 | break; | ||||||||
14956 | case OMPC_unified_address: | ||||||||
14957 | Res = ActOnOpenMPUnifiedAddressClause(StartLoc, EndLoc); | ||||||||
14958 | break; | ||||||||
14959 | case OMPC_unified_shared_memory: | ||||||||
14960 | Res = ActOnOpenMPUnifiedSharedMemoryClause(StartLoc, EndLoc); | ||||||||
14961 | break; | ||||||||
14962 | case OMPC_reverse_offload: | ||||||||
14963 | Res = ActOnOpenMPReverseOffloadClause(StartLoc, EndLoc); | ||||||||
14964 | break; | ||||||||
14965 | case OMPC_dynamic_allocators: | ||||||||
14966 | Res = ActOnOpenMPDynamicAllocatorsClause(StartLoc, EndLoc); | ||||||||
14967 | break; | ||||||||
14968 | case OMPC_destroy: | ||||||||
14969 | Res = ActOnOpenMPDestroyClause(/*InteropVar=*/nullptr, StartLoc, | ||||||||
14970 | /*LParenLoc=*/SourceLocation(), | ||||||||
14971 | /*VarLoc=*/SourceLocation(), EndLoc); | ||||||||
14972 | break; | ||||||||
14973 | case OMPC_full: | ||||||||
14974 | Res = ActOnOpenMPFullClause(StartLoc, EndLoc); | ||||||||
14975 | break; | ||||||||
14976 | case OMPC_partial: | ||||||||
14977 | Res = ActOnOpenMPPartialClause(nullptr, StartLoc, /*LParenLoc=*/{}, EndLoc); | ||||||||
14978 | break; | ||||||||
14979 | case OMPC_if: | ||||||||
14980 | case OMPC_final: | ||||||||
14981 | case OMPC_num_threads: | ||||||||
14982 | case OMPC_safelen: | ||||||||
14983 | case OMPC_simdlen: | ||||||||
14984 | case OMPC_sizes: | ||||||||
14985 | case OMPC_allocator: | ||||||||
14986 | case OMPC_collapse: | ||||||||
14987 | case OMPC_schedule: | ||||||||
14988 | case OMPC_private: | ||||||||
14989 | case OMPC_firstprivate: | ||||||||
14990 | case OMPC_lastprivate: | ||||||||
14991 | case OMPC_shared: | ||||||||
14992 | case OMPC_reduction: | ||||||||
14993 | case OMPC_task_reduction: | ||||||||
14994 | case OMPC_in_reduction: | ||||||||
14995 | case OMPC_linear: | ||||||||
14996 | case OMPC_aligned: | ||||||||
14997 | case OMPC_copyin: | ||||||||
14998 | case OMPC_copyprivate: | ||||||||
14999 | case OMPC_default: | ||||||||
15000 | case OMPC_proc_bind: | ||||||||
15001 | case OMPC_threadprivate: | ||||||||
15002 | case OMPC_allocate: | ||||||||
15003 | case OMPC_flush: | ||||||||
15004 | case OMPC_depobj: | ||||||||
15005 | case OMPC_depend: | ||||||||
15006 | case OMPC_device: | ||||||||
15007 | case OMPC_map: | ||||||||
15008 | case OMPC_num_teams: | ||||||||
15009 | case OMPC_thread_limit: | ||||||||
15010 | case OMPC_priority: | ||||||||
15011 | case OMPC_grainsize: | ||||||||
15012 | case OMPC_num_tasks: | ||||||||
15013 | case OMPC_hint: | ||||||||
15014 | case OMPC_dist_schedule: | ||||||||
15015 | case OMPC_defaultmap: | ||||||||
15016 | case OMPC_unknown: | ||||||||
15017 | case OMPC_uniform: | ||||||||
15018 | case OMPC_to: | ||||||||
15019 | case OMPC_from: | ||||||||
15020 | case OMPC_use_device_ptr: | ||||||||
15021 | case OMPC_use_device_addr: | ||||||||
15022 | case OMPC_is_device_ptr: | ||||||||
15023 | case OMPC_atomic_default_mem_order: | ||||||||
15024 | case OMPC_device_type: | ||||||||
15025 | case OMPC_match: | ||||||||
15026 | case OMPC_nontemporal: | ||||||||
15027 | case OMPC_order: | ||||||||
15028 | case OMPC_novariants: | ||||||||
15029 | case OMPC_nocontext: | ||||||||
15030 | case OMPC_detach: | ||||||||
15031 | case OMPC_inclusive: | ||||||||
15032 | case OMPC_exclusive: | ||||||||
15033 | case OMPC_uses_allocators: | ||||||||
15034 | case OMPC_affinity: | ||||||||
15035 | default: | ||||||||
15036 | llvm_unreachable("Clause is not allowed.")__builtin_unreachable(); | ||||||||
15037 | } | ||||||||
15038 | return Res; | ||||||||
15039 | } | ||||||||
15040 | |||||||||
15041 | OMPClause *Sema::ActOnOpenMPNowaitClause(SourceLocation StartLoc, | ||||||||
15042 | SourceLocation EndLoc) { | ||||||||
15043 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setNowaitRegion(); | ||||||||
15044 | return new (Context) OMPNowaitClause(StartLoc, EndLoc); | ||||||||
15045 | } | ||||||||
15046 | |||||||||
15047 | OMPClause *Sema::ActOnOpenMPUntiedClause(SourceLocation StartLoc, | ||||||||
15048 | SourceLocation EndLoc) { | ||||||||
15049 | return new (Context) OMPUntiedClause(StartLoc, EndLoc); | ||||||||
15050 | } | ||||||||
15051 | |||||||||
15052 | OMPClause *Sema::ActOnOpenMPMergeableClause(SourceLocation StartLoc, | ||||||||
15053 | SourceLocation EndLoc) { | ||||||||
15054 | return new (Context) OMPMergeableClause(StartLoc, EndLoc); | ||||||||
15055 | } | ||||||||
15056 | |||||||||
15057 | OMPClause *Sema::ActOnOpenMPReadClause(SourceLocation StartLoc, | ||||||||
15058 | SourceLocation EndLoc) { | ||||||||
15059 | return new (Context) OMPReadClause(StartLoc, EndLoc); | ||||||||
15060 | } | ||||||||
15061 | |||||||||
15062 | OMPClause *Sema::ActOnOpenMPWriteClause(SourceLocation StartLoc, | ||||||||
15063 | SourceLocation EndLoc) { | ||||||||
15064 | return new (Context) OMPWriteClause(StartLoc, EndLoc); | ||||||||
15065 | } | ||||||||
15066 | |||||||||
15067 | OMPClause *Sema::ActOnOpenMPUpdateClause(SourceLocation StartLoc, | ||||||||
15068 | SourceLocation EndLoc) { | ||||||||
15069 | return OMPUpdateClause::Create(Context, StartLoc, EndLoc); | ||||||||
15070 | } | ||||||||
15071 | |||||||||
15072 | OMPClause *Sema::ActOnOpenMPCaptureClause(SourceLocation StartLoc, | ||||||||
15073 | SourceLocation EndLoc) { | ||||||||
15074 | return new (Context) OMPCaptureClause(StartLoc, EndLoc); | ||||||||
15075 | } | ||||||||
15076 | |||||||||
15077 | OMPClause *Sema::ActOnOpenMPSeqCstClause(SourceLocation StartLoc, | ||||||||
15078 | SourceLocation EndLoc) { | ||||||||
15079 | return new (Context) OMPSeqCstClause(StartLoc, EndLoc); | ||||||||
15080 | } | ||||||||
15081 | |||||||||
15082 | OMPClause *Sema::ActOnOpenMPAcqRelClause(SourceLocation StartLoc, | ||||||||
15083 | SourceLocation EndLoc) { | ||||||||
15084 | return new (Context) OMPAcqRelClause(StartLoc, EndLoc); | ||||||||
15085 | } | ||||||||
15086 | |||||||||
15087 | OMPClause *Sema::ActOnOpenMPAcquireClause(SourceLocation StartLoc, | ||||||||
15088 | SourceLocation EndLoc) { | ||||||||
15089 | return new (Context) OMPAcquireClause(StartLoc, EndLoc); | ||||||||
15090 | } | ||||||||
15091 | |||||||||
15092 | OMPClause *Sema::ActOnOpenMPReleaseClause(SourceLocation StartLoc, | ||||||||
15093 | SourceLocation EndLoc) { | ||||||||
15094 | return new (Context) OMPReleaseClause(StartLoc, EndLoc); | ||||||||
15095 | } | ||||||||
15096 | |||||||||
15097 | OMPClause *Sema::ActOnOpenMPRelaxedClause(SourceLocation StartLoc, | ||||||||
15098 | SourceLocation EndLoc) { | ||||||||
15099 | return new (Context) OMPRelaxedClause(StartLoc, EndLoc); | ||||||||
15100 | } | ||||||||
15101 | |||||||||
15102 | OMPClause *Sema::ActOnOpenMPThreadsClause(SourceLocation StartLoc, | ||||||||
15103 | SourceLocation EndLoc) { | ||||||||
15104 | return new (Context) OMPThreadsClause(StartLoc, EndLoc); | ||||||||
15105 | } | ||||||||
15106 | |||||||||
15107 | OMPClause *Sema::ActOnOpenMPSIMDClause(SourceLocation StartLoc, | ||||||||
15108 | SourceLocation EndLoc) { | ||||||||
15109 | return new (Context) OMPSIMDClause(StartLoc, EndLoc); | ||||||||
15110 | } | ||||||||
15111 | |||||||||
15112 | OMPClause *Sema::ActOnOpenMPNogroupClause(SourceLocation StartLoc, | ||||||||
15113 | SourceLocation EndLoc) { | ||||||||
15114 | return new (Context) OMPNogroupClause(StartLoc, EndLoc); | ||||||||
15115 | } | ||||||||
15116 | |||||||||
15117 | OMPClause *Sema::ActOnOpenMPUnifiedAddressClause(SourceLocation StartLoc, | ||||||||
15118 | SourceLocation EndLoc) { | ||||||||
15119 | return new (Context) OMPUnifiedAddressClause(StartLoc, EndLoc); | ||||||||
15120 | } | ||||||||
15121 | |||||||||
15122 | OMPClause *Sema::ActOnOpenMPUnifiedSharedMemoryClause(SourceLocation StartLoc, | ||||||||
15123 | SourceLocation EndLoc) { | ||||||||
15124 | return new (Context) OMPUnifiedSharedMemoryClause(StartLoc, EndLoc); | ||||||||
15125 | } | ||||||||
15126 | |||||||||
15127 | OMPClause *Sema::ActOnOpenMPReverseOffloadClause(SourceLocation StartLoc, | ||||||||
15128 | SourceLocation EndLoc) { | ||||||||
15129 | return new (Context) OMPReverseOffloadClause(StartLoc, EndLoc); | ||||||||
15130 | } | ||||||||
15131 | |||||||||
15132 | OMPClause *Sema::ActOnOpenMPDynamicAllocatorsClause(SourceLocation StartLoc, | ||||||||
15133 | SourceLocation EndLoc) { | ||||||||
15134 | return new (Context) OMPDynamicAllocatorsClause(StartLoc, EndLoc); | ||||||||
15135 | } | ||||||||
15136 | |||||||||
15137 | StmtResult Sema::ActOnOpenMPInteropDirective(ArrayRef<OMPClause *> Clauses, | ||||||||
15138 | SourceLocation StartLoc, | ||||||||
15139 | SourceLocation EndLoc) { | ||||||||
15140 | |||||||||
15141 | // OpenMP 5.1 [2.15.1, interop Construct, Restrictions] | ||||||||
15142 | // At least one action-clause must appear on a directive. | ||||||||
15143 | if (!hasClauses(Clauses, OMPC_init, OMPC_use, OMPC_destroy, OMPC_nowait)) { | ||||||||
15144 | StringRef Expected = "'init', 'use', 'destroy', or 'nowait'"; | ||||||||
15145 | Diag(StartLoc, diag::err_omp_no_clause_for_directive) | ||||||||
15146 | << Expected << getOpenMPDirectiveName(OMPD_interop); | ||||||||
15147 | return StmtError(); | ||||||||
15148 | } | ||||||||
15149 | |||||||||
15150 | // OpenMP 5.1 [2.15.1, interop Construct, Restrictions] | ||||||||
15151 | // A depend clause can only appear on the directive if a targetsync | ||||||||
15152 | // interop-type is present or the interop-var was initialized with | ||||||||
15153 | // the targetsync interop-type. | ||||||||
15154 | |||||||||
15155 | // If there is any 'init' clause diagnose if there is no 'init' clause with | ||||||||
15156 | // interop-type of 'targetsync'. Cases involving other directives cannot be | ||||||||
15157 | // diagnosed. | ||||||||
15158 | const OMPDependClause *DependClause = nullptr; | ||||||||
15159 | bool HasInitClause = false; | ||||||||
15160 | bool IsTargetSync = false; | ||||||||
15161 | for (const OMPClause *C : Clauses) { | ||||||||
15162 | if (IsTargetSync) | ||||||||
15163 | break; | ||||||||
15164 | if (const auto *InitClause = dyn_cast<OMPInitClause>(C)) { | ||||||||
15165 | HasInitClause = true; | ||||||||
15166 | if (InitClause->getIsTargetSync()) | ||||||||
15167 | IsTargetSync = true; | ||||||||
15168 | } else if (const auto *DC = dyn_cast<OMPDependClause>(C)) { | ||||||||
15169 | DependClause = DC; | ||||||||
15170 | } | ||||||||
15171 | } | ||||||||
15172 | if (DependClause && HasInitClause && !IsTargetSync) { | ||||||||
15173 | Diag(DependClause->getBeginLoc(), diag::err_omp_interop_bad_depend_clause); | ||||||||
15174 | return StmtError(); | ||||||||
15175 | } | ||||||||
15176 | |||||||||
15177 | // OpenMP 5.1 [2.15.1, interop Construct, Restrictions] | ||||||||
15178 | // Each interop-var may be specified for at most one action-clause of each | ||||||||
15179 | // interop construct. | ||||||||
15180 | llvm::SmallPtrSet<const VarDecl *, 4> InteropVars; | ||||||||
15181 | for (const OMPClause *C : Clauses) { | ||||||||
15182 | OpenMPClauseKind ClauseKind = C->getClauseKind(); | ||||||||
15183 | const DeclRefExpr *DRE = nullptr; | ||||||||
15184 | SourceLocation VarLoc; | ||||||||
15185 | |||||||||
15186 | if (ClauseKind == OMPC_init) { | ||||||||
15187 | const auto *IC = cast<OMPInitClause>(C); | ||||||||
15188 | VarLoc = IC->getVarLoc(); | ||||||||
15189 | DRE = dyn_cast_or_null<DeclRefExpr>(IC->getInteropVar()); | ||||||||
15190 | } else if (ClauseKind == OMPC_use) { | ||||||||
15191 | const auto *UC = cast<OMPUseClause>(C); | ||||||||
15192 | VarLoc = UC->getVarLoc(); | ||||||||
15193 | DRE = dyn_cast_or_null<DeclRefExpr>(UC->getInteropVar()); | ||||||||
15194 | } else if (ClauseKind == OMPC_destroy) { | ||||||||
15195 | const auto *DC = cast<OMPDestroyClause>(C); | ||||||||
15196 | VarLoc = DC->getVarLoc(); | ||||||||
15197 | DRE = dyn_cast_or_null<DeclRefExpr>(DC->getInteropVar()); | ||||||||
15198 | } | ||||||||
15199 | |||||||||
15200 | if (!DRE) | ||||||||
15201 | continue; | ||||||||
15202 | |||||||||
15203 | if (const auto *VD = dyn_cast<VarDecl>(DRE->getDecl())) { | ||||||||
15204 | if (!InteropVars.insert(VD->getCanonicalDecl()).second) { | ||||||||
15205 | Diag(VarLoc, diag::err_omp_interop_var_multiple_actions) << VD; | ||||||||
15206 | return StmtError(); | ||||||||
15207 | } | ||||||||
15208 | } | ||||||||
15209 | } | ||||||||
15210 | |||||||||
15211 | return OMPInteropDirective::Create(Context, StartLoc, EndLoc, Clauses); | ||||||||
15212 | } | ||||||||
15213 | |||||||||
15214 | static bool isValidInteropVariable(Sema &SemaRef, Expr *InteropVarExpr, | ||||||||
15215 | SourceLocation VarLoc, | ||||||||
15216 | OpenMPClauseKind Kind) { | ||||||||
15217 | if (InteropVarExpr->isValueDependent() || InteropVarExpr->isTypeDependent() || | ||||||||
15218 | InteropVarExpr->isInstantiationDependent() || | ||||||||
15219 | InteropVarExpr->containsUnexpandedParameterPack()) | ||||||||
15220 | return true; | ||||||||
15221 | |||||||||
15222 | const auto *DRE = dyn_cast<DeclRefExpr>(InteropVarExpr); | ||||||||
15223 | if (!DRE || !isa<VarDecl>(DRE->getDecl())) { | ||||||||
15224 | SemaRef.Diag(VarLoc, diag::err_omp_interop_variable_expected) << 0; | ||||||||
15225 | return false; | ||||||||
15226 | } | ||||||||
15227 | |||||||||
15228 | // Interop variable should be of type omp_interop_t. | ||||||||
15229 | bool HasError = false; | ||||||||
15230 | QualType InteropType; | ||||||||
15231 | LookupResult Result(SemaRef, &SemaRef.Context.Idents.get("omp_interop_t"), | ||||||||
15232 | VarLoc, Sema::LookupOrdinaryName); | ||||||||
15233 | if (SemaRef.LookupName(Result, SemaRef.getCurScope())) { | ||||||||
15234 | NamedDecl *ND = Result.getFoundDecl(); | ||||||||
15235 | if (const auto *TD = dyn_cast<TypeDecl>(ND)) { | ||||||||
15236 | InteropType = QualType(TD->getTypeForDecl(), 0); | ||||||||
15237 | } else { | ||||||||
15238 | HasError = true; | ||||||||
15239 | } | ||||||||
15240 | } else { | ||||||||
15241 | HasError = true; | ||||||||
15242 | } | ||||||||
15243 | |||||||||
15244 | if (HasError) { | ||||||||
15245 | SemaRef.Diag(VarLoc, diag::err_omp_implied_type_not_found) | ||||||||
15246 | << "omp_interop_t"; | ||||||||
15247 | return false; | ||||||||
15248 | } | ||||||||
15249 | |||||||||
15250 | QualType VarType = InteropVarExpr->getType().getUnqualifiedType(); | ||||||||
15251 | if (!SemaRef.Context.hasSameType(InteropType, VarType)) { | ||||||||
15252 | SemaRef.Diag(VarLoc, diag::err_omp_interop_variable_wrong_type); | ||||||||
15253 | return false; | ||||||||
15254 | } | ||||||||
15255 | |||||||||
15256 | // OpenMP 5.1 [2.15.1, interop Construct, Restrictions] | ||||||||
15257 | // The interop-var passed to init or destroy must be non-const. | ||||||||
15258 | if ((Kind == OMPC_init || Kind == OMPC_destroy) && | ||||||||
15259 | isConstNotMutableType(SemaRef, InteropVarExpr->getType())) { | ||||||||
15260 | SemaRef.Diag(VarLoc, diag::err_omp_interop_variable_expected) | ||||||||
15261 | << /*non-const*/ 1; | ||||||||
15262 | return false; | ||||||||
15263 | } | ||||||||
15264 | return true; | ||||||||
15265 | } | ||||||||
15266 | |||||||||
15267 | OMPClause * | ||||||||
15268 | Sema::ActOnOpenMPInitClause(Expr *InteropVar, ArrayRef<Expr *> PrefExprs, | ||||||||
15269 | bool IsTarget, bool IsTargetSync, | ||||||||
15270 | SourceLocation StartLoc, SourceLocation LParenLoc, | ||||||||
15271 | SourceLocation VarLoc, SourceLocation EndLoc) { | ||||||||
15272 | |||||||||
15273 | if (!isValidInteropVariable(*this, InteropVar, VarLoc, OMPC_init)) | ||||||||
15274 | return nullptr; | ||||||||
15275 | |||||||||
15276 | // Check prefer_type values. These foreign-runtime-id values are either | ||||||||
15277 | // string literals or constant integral expressions. | ||||||||
15278 | for (const Expr *E : PrefExprs) { | ||||||||
15279 | if (E->isValueDependent() || E->isTypeDependent() || | ||||||||
15280 | E->isInstantiationDependent() || E->containsUnexpandedParameterPack()) | ||||||||
15281 | continue; | ||||||||
15282 | if (E->isIntegerConstantExpr(Context)) | ||||||||
15283 | continue; | ||||||||
15284 | if (isa<StringLiteral>(E)) | ||||||||
15285 | continue; | ||||||||
15286 | Diag(E->getExprLoc(), diag::err_omp_interop_prefer_type); | ||||||||
15287 | return nullptr; | ||||||||
15288 | } | ||||||||
15289 | |||||||||
15290 | return OMPInitClause::Create(Context, InteropVar, PrefExprs, IsTarget, | ||||||||
15291 | IsTargetSync, StartLoc, LParenLoc, VarLoc, | ||||||||
15292 | EndLoc); | ||||||||
15293 | } | ||||||||
15294 | |||||||||
15295 | OMPClause *Sema::ActOnOpenMPUseClause(Expr *InteropVar, SourceLocation StartLoc, | ||||||||
15296 | SourceLocation LParenLoc, | ||||||||
15297 | SourceLocation VarLoc, | ||||||||
15298 | SourceLocation EndLoc) { | ||||||||
15299 | |||||||||
15300 | if (!isValidInteropVariable(*this, InteropVar, VarLoc, OMPC_use)) | ||||||||
15301 | return nullptr; | ||||||||
15302 | |||||||||
15303 | return new (Context) | ||||||||
15304 | OMPUseClause(InteropVar, StartLoc, LParenLoc, VarLoc, EndLoc); | ||||||||
15305 | } | ||||||||
15306 | |||||||||
15307 | OMPClause *Sema::ActOnOpenMPDestroyClause(Expr *InteropVar, | ||||||||
15308 | SourceLocation StartLoc, | ||||||||
15309 | SourceLocation LParenLoc, | ||||||||
15310 | SourceLocation VarLoc, | ||||||||
15311 | SourceLocation EndLoc) { | ||||||||
15312 | if (InteropVar && | ||||||||
15313 | !isValidInteropVariable(*this, InteropVar, VarLoc, OMPC_destroy)) | ||||||||
15314 | return nullptr; | ||||||||
15315 | |||||||||
15316 | return new (Context) | ||||||||
15317 | OMPDestroyClause(InteropVar, StartLoc, LParenLoc, VarLoc, EndLoc); | ||||||||
15318 | } | ||||||||
15319 | |||||||||
15320 | OMPClause *Sema::ActOnOpenMPNovariantsClause(Expr *Condition, | ||||||||
15321 | SourceLocation StartLoc, | ||||||||
15322 | SourceLocation LParenLoc, | ||||||||
15323 | SourceLocation EndLoc) { | ||||||||
15324 | Expr *ValExpr = Condition; | ||||||||
15325 | Stmt *HelperValStmt = nullptr; | ||||||||
15326 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; | ||||||||
15327 | if (!Condition->isValueDependent() && !Condition->isTypeDependent() && | ||||||||
15328 | !Condition->isInstantiationDependent() && | ||||||||
15329 | !Condition->containsUnexpandedParameterPack()) { | ||||||||
15330 | ExprResult Val = CheckBooleanCondition(StartLoc, Condition); | ||||||||
15331 | if (Val.isInvalid()) | ||||||||
15332 | return nullptr; | ||||||||
15333 | |||||||||
15334 | ValExpr = MakeFullExpr(Val.get()).get(); | ||||||||
15335 | |||||||||
15336 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | ||||||||
15337 | CaptureRegion = getOpenMPCaptureRegionForClause(DKind, OMPC_novariants, | ||||||||
15338 | LangOpts.OpenMP); | ||||||||
15339 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { | ||||||||
15340 | ValExpr = MakeFullExpr(ValExpr).get(); | ||||||||
15341 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | ||||||||
15342 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | ||||||||
15343 | HelperValStmt = buildPreInits(Context, Captures); | ||||||||
15344 | } | ||||||||
15345 | } | ||||||||
15346 | |||||||||
15347 | return new (Context) OMPNovariantsClause( | ||||||||
15348 | ValExpr, HelperValStmt, CaptureRegion, StartLoc, LParenLoc, EndLoc); | ||||||||
15349 | } | ||||||||
15350 | |||||||||
15351 | OMPClause *Sema::ActOnOpenMPNocontextClause(Expr *Condition, | ||||||||
15352 | SourceLocation StartLoc, | ||||||||
15353 | SourceLocation LParenLoc, | ||||||||
15354 | SourceLocation EndLoc) { | ||||||||
15355 | Expr *ValExpr = Condition; | ||||||||
15356 | Stmt *HelperValStmt = nullptr; | ||||||||
15357 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; | ||||||||
15358 | if (!Condition->isValueDependent() && !Condition->isTypeDependent() && | ||||||||
15359 | !Condition->isInstantiationDependent() && | ||||||||
15360 | !Condition->containsUnexpandedParameterPack()) { | ||||||||
15361 | ExprResult Val = CheckBooleanCondition(StartLoc, Condition); | ||||||||
15362 | if (Val.isInvalid()) | ||||||||
15363 | return nullptr; | ||||||||
15364 | |||||||||
15365 | ValExpr = MakeFullExpr(Val.get()).get(); | ||||||||
15366 | |||||||||
15367 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | ||||||||
15368 | CaptureRegion = | ||||||||
15369 | getOpenMPCaptureRegionForClause(DKind, OMPC_nocontext, LangOpts.OpenMP); | ||||||||
15370 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { | ||||||||
15371 | ValExpr = MakeFullExpr(ValExpr).get(); | ||||||||
15372 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | ||||||||
15373 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | ||||||||
15374 | HelperValStmt = buildPreInits(Context, Captures); | ||||||||
15375 | } | ||||||||
15376 | } | ||||||||
15377 | |||||||||
15378 | return new (Context) OMPNocontextClause(ValExpr, HelperValStmt, CaptureRegion, | ||||||||
15379 | StartLoc, LParenLoc, EndLoc); | ||||||||
15380 | } | ||||||||
15381 | |||||||||
15382 | OMPClause *Sema::ActOnOpenMPFilterClause(Expr *ThreadID, | ||||||||
15383 | SourceLocation StartLoc, | ||||||||
15384 | SourceLocation LParenLoc, | ||||||||
15385 | SourceLocation EndLoc) { | ||||||||
15386 | Expr *ValExpr = ThreadID; | ||||||||
15387 | Stmt *HelperValStmt = nullptr; | ||||||||
15388 | |||||||||
15389 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | ||||||||
15390 | OpenMPDirectiveKind CaptureRegion = | ||||||||
15391 | getOpenMPCaptureRegionForClause(DKind, OMPC_filter, LangOpts.OpenMP); | ||||||||
15392 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { | ||||||||
15393 | ValExpr = MakeFullExpr(ValExpr).get(); | ||||||||
15394 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | ||||||||
15395 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | ||||||||
15396 | HelperValStmt = buildPreInits(Context, Captures); | ||||||||
15397 | } | ||||||||
15398 | |||||||||
15399 | return new (Context) OMPFilterClause(ValExpr, HelperValStmt, CaptureRegion, | ||||||||
15400 | StartLoc, LParenLoc, EndLoc); | ||||||||
15401 | } | ||||||||
15402 | |||||||||
15403 | OMPClause *Sema::ActOnOpenMPVarListClause( | ||||||||
15404 | OpenMPClauseKind Kind, ArrayRef<Expr *> VarList, Expr *DepModOrTailExpr, | ||||||||
15405 | const OMPVarListLocTy &Locs, SourceLocation ColonLoc, | ||||||||
15406 | CXXScopeSpec &ReductionOrMapperIdScopeSpec, | ||||||||
15407 | DeclarationNameInfo &ReductionOrMapperId, int ExtraModifier, | ||||||||
15408 | ArrayRef<OpenMPMapModifierKind> MapTypeModifiers, | ||||||||
15409 | ArrayRef<SourceLocation> MapTypeModifiersLoc, bool IsMapTypeImplicit, | ||||||||
15410 | SourceLocation ExtraModifierLoc, | ||||||||
15411 | ArrayRef<OpenMPMotionModifierKind> MotionModifiers, | ||||||||
15412 | ArrayRef<SourceLocation> MotionModifiersLoc) { | ||||||||
15413 | SourceLocation StartLoc = Locs.StartLoc; | ||||||||
15414 | SourceLocation LParenLoc = Locs.LParenLoc; | ||||||||
15415 | SourceLocation EndLoc = Locs.EndLoc; | ||||||||
15416 | OMPClause *Res = nullptr; | ||||||||
15417 | switch (Kind) { | ||||||||
15418 | case OMPC_private: | ||||||||
15419 | Res = ActOnOpenMPPrivateClause(VarList, StartLoc, LParenLoc, EndLoc); | ||||||||
15420 | break; | ||||||||
15421 | case OMPC_firstprivate: | ||||||||
15422 | Res = ActOnOpenMPFirstprivateClause(VarList, StartLoc, LParenLoc, EndLoc); | ||||||||
15423 | break; | ||||||||
15424 | case OMPC_lastprivate: | ||||||||
15425 | assert(0 <= ExtraModifier && ExtraModifier <= OMPC_LASTPRIVATE_unknown &&((void)0) | ||||||||
15426 | "Unexpected lastprivate modifier.")((void)0); | ||||||||
15427 | Res = ActOnOpenMPLastprivateClause( | ||||||||
15428 | VarList, static_cast<OpenMPLastprivateModifier>(ExtraModifier), | ||||||||
15429 | ExtraModifierLoc, ColonLoc, StartLoc, LParenLoc, EndLoc); | ||||||||
15430 | break; | ||||||||
15431 | case OMPC_shared: | ||||||||
15432 | Res = ActOnOpenMPSharedClause(VarList, StartLoc, LParenLoc, EndLoc); | ||||||||
15433 | break; | ||||||||
15434 | case OMPC_reduction: | ||||||||
15435 | assert(0 <= ExtraModifier && ExtraModifier <= OMPC_REDUCTION_unknown &&((void)0) | ||||||||
15436 | "Unexpected lastprivate modifier.")((void)0); | ||||||||
15437 | Res = ActOnOpenMPReductionClause( | ||||||||
15438 | VarList, static_cast<OpenMPReductionClauseModifier>(ExtraModifier), | ||||||||
15439 | StartLoc, LParenLoc, ExtraModifierLoc, ColonLoc, EndLoc, | ||||||||
15440 | ReductionOrMapperIdScopeSpec, ReductionOrMapperId); | ||||||||
15441 | break; | ||||||||
15442 | case OMPC_task_reduction: | ||||||||
15443 | Res = ActOnOpenMPTaskReductionClause(VarList, StartLoc, LParenLoc, ColonLoc, | ||||||||
15444 | EndLoc, ReductionOrMapperIdScopeSpec, | ||||||||
15445 | ReductionOrMapperId); | ||||||||
15446 | break; | ||||||||
15447 | case OMPC_in_reduction: | ||||||||
15448 | Res = ActOnOpenMPInReductionClause(VarList, StartLoc, LParenLoc, ColonLoc, | ||||||||
15449 | EndLoc, ReductionOrMapperIdScopeSpec, | ||||||||
15450 | ReductionOrMapperId); | ||||||||
15451 | break; | ||||||||
15452 | case OMPC_linear: | ||||||||
15453 | assert(0 <= ExtraModifier && ExtraModifier <= OMPC_LINEAR_unknown &&((void)0) | ||||||||
15454 | "Unexpected linear modifier.")((void)0); | ||||||||
15455 | Res = ActOnOpenMPLinearClause( | ||||||||
15456 | VarList, DepModOrTailExpr, StartLoc, LParenLoc, | ||||||||
15457 | static_cast<OpenMPLinearClauseKind>(ExtraModifier), ExtraModifierLoc, | ||||||||
15458 | ColonLoc, EndLoc); | ||||||||
15459 | break; | ||||||||
15460 | case OMPC_aligned: | ||||||||
15461 | Res = ActOnOpenMPAlignedClause(VarList, DepModOrTailExpr, StartLoc, | ||||||||
15462 | LParenLoc, ColonLoc, EndLoc); | ||||||||
15463 | break; | ||||||||
15464 | case OMPC_copyin: | ||||||||
15465 | Res = ActOnOpenMPCopyinClause(VarList, StartLoc, LParenLoc, EndLoc); | ||||||||
15466 | break; | ||||||||
15467 | case OMPC_copyprivate: | ||||||||
15468 | Res = ActOnOpenMPCopyprivateClause(VarList, StartLoc, LParenLoc, EndLoc); | ||||||||
15469 | break; | ||||||||
15470 | case OMPC_flush: | ||||||||
15471 | Res = ActOnOpenMPFlushClause(VarList, StartLoc, LParenLoc, EndLoc); | ||||||||
15472 | break; | ||||||||
15473 | case OMPC_depend: | ||||||||
15474 | assert(0 <= ExtraModifier && ExtraModifier <= OMPC_DEPEND_unknown &&((void)0) | ||||||||
15475 | "Unexpected depend modifier.")((void)0); | ||||||||
15476 | Res = ActOnOpenMPDependClause( | ||||||||
15477 | DepModOrTailExpr, static_cast<OpenMPDependClauseKind>(ExtraModifier), | ||||||||
15478 | ExtraModifierLoc, ColonLoc, VarList, StartLoc, LParenLoc, EndLoc); | ||||||||
15479 | break; | ||||||||
15480 | case OMPC_map: | ||||||||
15481 | assert(0 <= ExtraModifier && ExtraModifier <= OMPC_MAP_unknown &&((void)0) | ||||||||
15482 | "Unexpected map modifier.")((void)0); | ||||||||
15483 | Res = ActOnOpenMPMapClause( | ||||||||
15484 | MapTypeModifiers, MapTypeModifiersLoc, ReductionOrMapperIdScopeSpec, | ||||||||
15485 | ReductionOrMapperId, static_cast<OpenMPMapClauseKind>(ExtraModifier), | ||||||||
15486 | IsMapTypeImplicit, ExtraModifierLoc, ColonLoc, VarList, Locs); | ||||||||
15487 | break; | ||||||||
15488 | case OMPC_to: | ||||||||
15489 | Res = ActOnOpenMPToClause(MotionModifiers, MotionModifiersLoc, | ||||||||
15490 | ReductionOrMapperIdScopeSpec, ReductionOrMapperId, | ||||||||
15491 | ColonLoc, VarList, Locs); | ||||||||
15492 | break; | ||||||||
15493 | case OMPC_from: | ||||||||
15494 | Res = ActOnOpenMPFromClause(MotionModifiers, MotionModifiersLoc, | ||||||||
15495 | ReductionOrMapperIdScopeSpec, | ||||||||
15496 | ReductionOrMapperId, ColonLoc, VarList, Locs); | ||||||||
15497 | break; | ||||||||
15498 | case OMPC_use_device_ptr: | ||||||||
15499 | Res = ActOnOpenMPUseDevicePtrClause(VarList, Locs); | ||||||||
15500 | break; | ||||||||
15501 | case OMPC_use_device_addr: | ||||||||
15502 | Res = ActOnOpenMPUseDeviceAddrClause(VarList, Locs); | ||||||||
15503 | break; | ||||||||
15504 | case OMPC_is_device_ptr: | ||||||||
15505 | Res = ActOnOpenMPIsDevicePtrClause(VarList, Locs); | ||||||||
15506 | break; | ||||||||
15507 | case OMPC_allocate: | ||||||||
15508 | Res = ActOnOpenMPAllocateClause(DepModOrTailExpr, VarList, StartLoc, | ||||||||
15509 | LParenLoc, ColonLoc, EndLoc); | ||||||||
15510 | break; | ||||||||
15511 | case OMPC_nontemporal: | ||||||||
15512 | Res = ActOnOpenMPNontemporalClause(VarList, StartLoc, LParenLoc, EndLoc); | ||||||||
15513 | break; | ||||||||
15514 | case OMPC_inclusive: | ||||||||
15515 | Res = ActOnOpenMPInclusiveClause(VarList, StartLoc, LParenLoc, EndLoc); | ||||||||
15516 | break; | ||||||||
15517 | case OMPC_exclusive: | ||||||||
15518 | Res = ActOnOpenMPExclusiveClause(VarList, StartLoc, LParenLoc, EndLoc); | ||||||||
15519 | break; | ||||||||
15520 | case OMPC_affinity: | ||||||||
15521 | Res = ActOnOpenMPAffinityClause(StartLoc, LParenLoc, ColonLoc, EndLoc, | ||||||||
15522 | DepModOrTailExpr, VarList); | ||||||||
15523 | break; | ||||||||
15524 | case OMPC_if: | ||||||||
15525 | case OMPC_depobj: | ||||||||
15526 | case OMPC_final: | ||||||||
15527 | case OMPC_num_threads: | ||||||||
15528 | case OMPC_safelen: | ||||||||
15529 | case OMPC_simdlen: | ||||||||
15530 | case OMPC_sizes: | ||||||||
15531 | case OMPC_allocator: | ||||||||
15532 | case OMPC_collapse: | ||||||||
15533 | case OMPC_default: | ||||||||
15534 | case OMPC_proc_bind: | ||||||||
15535 | case OMPC_schedule: | ||||||||
15536 | case OMPC_ordered: | ||||||||
15537 | case OMPC_nowait: | ||||||||
15538 | case OMPC_untied: | ||||||||
15539 | case OMPC_mergeable: | ||||||||
15540 | case OMPC_threadprivate: | ||||||||
15541 | case OMPC_read: | ||||||||
15542 | case OMPC_write: | ||||||||
15543 | case OMPC_update: | ||||||||
15544 | case OMPC_capture: | ||||||||
15545 | case OMPC_seq_cst: | ||||||||
15546 | case OMPC_acq_rel: | ||||||||
15547 | case OMPC_acquire: | ||||||||
15548 | case OMPC_release: | ||||||||
15549 | case OMPC_relaxed: | ||||||||
15550 | case OMPC_device: | ||||||||
15551 | case OMPC_threads: | ||||||||
15552 | case OMPC_simd: | ||||||||
15553 | case OMPC_num_teams: | ||||||||
15554 | case OMPC_thread_limit: | ||||||||
15555 | case OMPC_priority: | ||||||||
15556 | case OMPC_grainsize: | ||||||||
15557 | case OMPC_nogroup: | ||||||||
15558 | case OMPC_num_tasks: | ||||||||
15559 | case OMPC_hint: | ||||||||
15560 | case OMPC_dist_schedule: | ||||||||
15561 | case OMPC_defaultmap: | ||||||||
15562 | case OMPC_unknown: | ||||||||
15563 | case OMPC_uniform: | ||||||||
15564 | case OMPC_unified_address: | ||||||||
15565 | case OMPC_unified_shared_memory: | ||||||||
15566 | case OMPC_reverse_offload: | ||||||||
15567 | case OMPC_dynamic_allocators: | ||||||||
15568 | case OMPC_atomic_default_mem_order: | ||||||||
15569 | case OMPC_device_type: | ||||||||
15570 | case OMPC_match: | ||||||||
15571 | case OMPC_order: | ||||||||
15572 | case OMPC_destroy: | ||||||||
15573 | case OMPC_novariants: | ||||||||
15574 | case OMPC_nocontext: | ||||||||
15575 | case OMPC_detach: | ||||||||
15576 | case OMPC_uses_allocators: | ||||||||
15577 | default: | ||||||||
15578 | llvm_unreachable("Clause is not allowed.")__builtin_unreachable(); | ||||||||
15579 | } | ||||||||
15580 | return Res; | ||||||||
15581 | } | ||||||||
15582 | |||||||||
15583 | ExprResult Sema::getOpenMPCapturedExpr(VarDecl *Capture, ExprValueKind VK, | ||||||||
15584 | ExprObjectKind OK, SourceLocation Loc) { | ||||||||
15585 | ExprResult Res = BuildDeclRefExpr( | ||||||||
15586 | Capture, Capture->getType().getNonReferenceType(), VK_LValue, Loc); | ||||||||
15587 | if (!Res.isUsable()) | ||||||||
15588 | return ExprError(); | ||||||||
15589 | if (OK == OK_Ordinary && !getLangOpts().CPlusPlus) { | ||||||||
15590 | Res = CreateBuiltinUnaryOp(Loc, UO_Deref, Res.get()); | ||||||||
15591 | if (!Res.isUsable()) | ||||||||
15592 | return ExprError(); | ||||||||
15593 | } | ||||||||
15594 | if (VK != VK_LValue && Res.get()->isGLValue()) { | ||||||||
15595 | Res = DefaultLvalueConversion(Res.get()); | ||||||||
15596 | if (!Res.isUsable()) | ||||||||
15597 | return ExprError(); | ||||||||
15598 | } | ||||||||
15599 | return Res; | ||||||||
15600 | } | ||||||||
15601 | |||||||||
15602 | OMPClause *Sema::ActOnOpenMPPrivateClause(ArrayRef<Expr *> VarList, | ||||||||
15603 | SourceLocation StartLoc, | ||||||||
15604 | SourceLocation LParenLoc, | ||||||||
15605 | SourceLocation EndLoc) { | ||||||||
15606 | SmallVector<Expr *, 8> Vars; | ||||||||
15607 | SmallVector<Expr *, 8> PrivateCopies; | ||||||||
15608 | for (Expr *RefExpr : VarList) { | ||||||||
15609 | assert(RefExpr && "NULL expr in OpenMP private clause.")((void)0); | ||||||||
15610 | SourceLocation ELoc; | ||||||||
15611 | SourceRange ERange; | ||||||||
15612 | Expr *SimpleRefExpr = RefExpr; | ||||||||
15613 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | ||||||||
15614 | if (Res.second) { | ||||||||
15615 | // It will be analyzed later. | ||||||||
15616 | Vars.push_back(RefExpr); | ||||||||
15617 | PrivateCopies.push_back(nullptr); | ||||||||
15618 | } | ||||||||
15619 | ValueDecl *D = Res.first; | ||||||||
15620 | if (!D) | ||||||||
15621 | continue; | ||||||||
15622 | |||||||||
15623 | QualType Type = D->getType(); | ||||||||
15624 | auto *VD = dyn_cast<VarDecl>(D); | ||||||||
15625 | |||||||||
15626 | // OpenMP [2.9.3.3, Restrictions, C/C++, p.3] | ||||||||
15627 | // A variable that appears in a private clause must not have an incomplete | ||||||||
15628 | // type or a reference type. | ||||||||
15629 | if (RequireCompleteType(ELoc, Type, diag::err_omp_private_incomplete_type)) | ||||||||
15630 | continue; | ||||||||
15631 | Type = Type.getNonReferenceType(); | ||||||||
15632 | |||||||||
15633 | // OpenMP 5.0 [2.19.3, List Item Privatization, Restrictions] | ||||||||
15634 | // A variable that is privatized must not have a const-qualified type | ||||||||
15635 | // unless it is of class type with a mutable member. This restriction does | ||||||||
15636 | // not apply to the firstprivate clause. | ||||||||
15637 | // | ||||||||
15638 | // OpenMP 3.1 [2.9.3.3, private clause, Restrictions] | ||||||||
15639 | // A variable that appears in a private clause must not have a | ||||||||
15640 | // const-qualified type unless it is of class type with a mutable member. | ||||||||
15641 | if (rejectConstNotMutableType(*this, D, Type, OMPC_private, ELoc)) | ||||||||
15642 | continue; | ||||||||
15643 | |||||||||
15644 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||||||
15645 | // in a Construct] | ||||||||
15646 | // Variables with the predetermined data-sharing attributes may not be | ||||||||
15647 | // listed in data-sharing attributes clauses, except for the cases | ||||||||
15648 | // listed below. For these exceptions only, listing a predetermined | ||||||||
15649 | // variable in a data-sharing attribute clause is allowed and overrides | ||||||||
15650 | // the variable's predetermined data-sharing attributes. | ||||||||
15651 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | ||||||||
15652 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_private) { | ||||||||
15653 | Diag(ELoc, diag::err_omp_wrong_dsa) << getOpenMPClauseName(DVar.CKind) | ||||||||
15654 | << getOpenMPClauseName(OMPC_private); | ||||||||
15655 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | ||||||||
15656 | continue; | ||||||||
15657 | } | ||||||||
15658 | |||||||||
15659 | OpenMPDirectiveKind CurrDir = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | ||||||||
15660 | // Variably modified types are not supported for tasks. | ||||||||
15661 | if (!Type->isAnyPointerType() && Type->isVariablyModifiedType() && | ||||||||
15662 | isOpenMPTaskingDirective(CurrDir)) { | ||||||||
15663 | Diag(ELoc, diag::err_omp_variably_modified_type_not_supported) | ||||||||
15664 | << getOpenMPClauseName(OMPC_private) << Type | ||||||||
15665 | << getOpenMPDirectiveName(CurrDir); | ||||||||
15666 | bool IsDecl = | ||||||||
15667 | !VD || | ||||||||
15668 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | ||||||||
15669 | Diag(D->getLocation(), | ||||||||
15670 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||||||
15671 | << D; | ||||||||
15672 | continue; | ||||||||
15673 | } | ||||||||
15674 | |||||||||
15675 | // OpenMP 4.5 [2.15.5.1, Restrictions, p.3] | ||||||||
15676 | // A list item cannot appear in both a map clause and a data-sharing | ||||||||
15677 | // attribute clause on the same construct | ||||||||
15678 | // | ||||||||
15679 | // OpenMP 5.0 [2.19.7.1, Restrictions, p.7] | ||||||||
15680 | // A list item cannot appear in both a map clause and a data-sharing | ||||||||
15681 | // attribute clause on the same construct unless the construct is a | ||||||||
15682 | // combined construct. | ||||||||
15683 | if ((LangOpts.OpenMP <= 45 && isOpenMPTargetExecutionDirective(CurrDir)) || | ||||||||
15684 | CurrDir == OMPD_target) { | ||||||||
15685 | OpenMPClauseKind ConflictKind; | ||||||||
15686 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDecl( | ||||||||
15687 | VD, /*CurrentRegionOnly=*/true, | ||||||||
15688 | [&](OMPClauseMappableExprCommon::MappableExprComponentListRef, | ||||||||
15689 | OpenMPClauseKind WhereFoundClauseKind) -> bool { | ||||||||
15690 | ConflictKind = WhereFoundClauseKind; | ||||||||
15691 | return true; | ||||||||
15692 | })) { | ||||||||
15693 | Diag(ELoc, diag::err_omp_variable_in_given_clause_and_dsa) | ||||||||
15694 | << getOpenMPClauseName(OMPC_private) | ||||||||
15695 | << getOpenMPClauseName(ConflictKind) | ||||||||
15696 | << getOpenMPDirectiveName(CurrDir); | ||||||||
15697 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | ||||||||
15698 | continue; | ||||||||
15699 | } | ||||||||
15700 | } | ||||||||
15701 | |||||||||
15702 | // OpenMP [2.9.3.3, Restrictions, C/C++, p.1] | ||||||||
15703 | // A variable of class type (or array thereof) that appears in a private | ||||||||
15704 | // clause requires an accessible, unambiguous default constructor for the | ||||||||
15705 | // class type. | ||||||||
15706 | // Generate helper private variable and initialize it with the default | ||||||||
15707 | // value. The address of the original variable is replaced by the address of | ||||||||
15708 | // the new private variable in CodeGen. This new variable is not added to | ||||||||
15709 | // IdResolver, so the code in the OpenMP region uses original variable for | ||||||||
15710 | // proper diagnostics. | ||||||||
15711 | Type = Type.getUnqualifiedType(); | ||||||||
15712 | VarDecl *VDPrivate = | ||||||||
15713 | buildVarDecl(*this, ELoc, Type, D->getName(), | ||||||||
15714 | D->hasAttrs() ? &D->getAttrs() : nullptr, | ||||||||
15715 | VD ? cast<DeclRefExpr>(SimpleRefExpr) : nullptr); | ||||||||
15716 | ActOnUninitializedDecl(VDPrivate); | ||||||||
15717 | if (VDPrivate->isInvalidDecl()) | ||||||||
15718 | continue; | ||||||||
15719 | DeclRefExpr *VDPrivateRefExpr = buildDeclRefExpr( | ||||||||
15720 | *this, VDPrivate, RefExpr->getType().getUnqualifiedType(), ELoc); | ||||||||
15721 | |||||||||
15722 | DeclRefExpr *Ref = nullptr; | ||||||||
15723 | if (!VD && !CurContext->isDependentContext()) | ||||||||
15724 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/false); | ||||||||
15725 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_private, Ref); | ||||||||
15726 | Vars.push_back((VD || CurContext->isDependentContext()) | ||||||||
15727 | ? RefExpr->IgnoreParens() | ||||||||
15728 | : Ref); | ||||||||
15729 | PrivateCopies.push_back(VDPrivateRefExpr); | ||||||||
15730 | } | ||||||||
15731 | |||||||||
15732 | if (Vars.empty()) | ||||||||
15733 | return nullptr; | ||||||||
15734 | |||||||||
15735 | return OMPPrivateClause::Create(Context, StartLoc, LParenLoc, EndLoc, Vars, | ||||||||
15736 | PrivateCopies); | ||||||||
15737 | } | ||||||||
15738 | |||||||||
15739 | namespace { | ||||||||
15740 | class DiagsUninitializedSeveretyRAII { | ||||||||
15741 | private: | ||||||||
15742 | DiagnosticsEngine &Diags; | ||||||||
15743 | SourceLocation SavedLoc; | ||||||||
15744 | bool IsIgnored = false; | ||||||||
15745 | |||||||||
15746 | public: | ||||||||
15747 | DiagsUninitializedSeveretyRAII(DiagnosticsEngine &Diags, SourceLocation Loc, | ||||||||
15748 | bool IsIgnored) | ||||||||
15749 | : Diags(Diags), SavedLoc(Loc), IsIgnored(IsIgnored) { | ||||||||
15750 | if (!IsIgnored) { | ||||||||
15751 | Diags.setSeverity(/*Diag*/ diag::warn_uninit_self_reference_in_init, | ||||||||
15752 | /*Map*/ diag::Severity::Ignored, Loc); | ||||||||
15753 | } | ||||||||
15754 | } | ||||||||
15755 | ~DiagsUninitializedSeveretyRAII() { | ||||||||
15756 | if (!IsIgnored) | ||||||||
15757 | Diags.popMappings(SavedLoc); | ||||||||
15758 | } | ||||||||
15759 | }; | ||||||||
15760 | } | ||||||||
15761 | |||||||||
15762 | OMPClause *Sema::ActOnOpenMPFirstprivateClause(ArrayRef<Expr *> VarList, | ||||||||
15763 | SourceLocation StartLoc, | ||||||||
15764 | SourceLocation LParenLoc, | ||||||||
15765 | SourceLocation EndLoc) { | ||||||||
15766 | SmallVector<Expr *, 8> Vars; | ||||||||
15767 | SmallVector<Expr *, 8> PrivateCopies; | ||||||||
15768 | SmallVector<Expr *, 8> Inits; | ||||||||
15769 | SmallVector<Decl *, 4> ExprCaptures; | ||||||||
15770 | bool IsImplicitClause = | ||||||||
15771 | StartLoc.isInvalid() && LParenLoc.isInvalid() && EndLoc.isInvalid(); | ||||||||
15772 | SourceLocation ImplicitClauseLoc = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(); | ||||||||
15773 | |||||||||
15774 | for (Expr *RefExpr : VarList) { | ||||||||
15775 | assert(RefExpr && "NULL expr in OpenMP firstprivate clause.")((void)0); | ||||||||
15776 | SourceLocation ELoc; | ||||||||
15777 | SourceRange ERange; | ||||||||
15778 | Expr *SimpleRefExpr = RefExpr; | ||||||||
15779 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | ||||||||
15780 | if (Res.second) { | ||||||||
15781 | // It will be analyzed later. | ||||||||
15782 | Vars.push_back(RefExpr); | ||||||||
15783 | PrivateCopies.push_back(nullptr); | ||||||||
15784 | Inits.push_back(nullptr); | ||||||||
15785 | } | ||||||||
15786 | ValueDecl *D = Res.first; | ||||||||
15787 | if (!D) | ||||||||
15788 | continue; | ||||||||
15789 | |||||||||
15790 | ELoc = IsImplicitClause ? ImplicitClauseLoc : ELoc; | ||||||||
15791 | QualType Type = D->getType(); | ||||||||
15792 | auto *VD = dyn_cast<VarDecl>(D); | ||||||||
15793 | |||||||||
15794 | // OpenMP [2.9.3.3, Restrictions, C/C++, p.3] | ||||||||
15795 | // A variable that appears in a private clause must not have an incomplete | ||||||||
15796 | // type or a reference type. | ||||||||
15797 | if (RequireCompleteType(ELoc, Type, | ||||||||
15798 | diag::err_omp_firstprivate_incomplete_type)) | ||||||||
15799 | continue; | ||||||||
15800 | Type = Type.getNonReferenceType(); | ||||||||
15801 | |||||||||
15802 | // OpenMP [2.9.3.4, Restrictions, C/C++, p.1] | ||||||||
15803 | // A variable of class type (or array thereof) that appears in a private | ||||||||
15804 | // clause requires an accessible, unambiguous copy constructor for the | ||||||||
15805 | // class type. | ||||||||
15806 | QualType ElemType = Context.getBaseElementType(Type).getNonReferenceType(); | ||||||||
15807 | |||||||||
15808 | // If an implicit firstprivate variable found it was checked already. | ||||||||
15809 | DSAStackTy::DSAVarData TopDVar; | ||||||||
15810 | if (!IsImplicitClause) { | ||||||||
15811 | DSAStackTy::DSAVarData DVar = | ||||||||
15812 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | ||||||||
15813 | TopDVar = DVar; | ||||||||
15814 | OpenMPDirectiveKind CurrDir = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | ||||||||
15815 | bool IsConstant = ElemType.isConstant(Context); | ||||||||
15816 | // OpenMP [2.4.13, Data-sharing Attribute Clauses] | ||||||||
15817 | // A list item that specifies a given variable may not appear in more | ||||||||
15818 | // than one clause on the same directive, except that a variable may be | ||||||||
15819 | // specified in both firstprivate and lastprivate clauses. | ||||||||
15820 | // OpenMP 4.5 [2.10.8, Distribute Construct, p.3] | ||||||||
15821 | // A list item may appear in a firstprivate or lastprivate clause but not | ||||||||
15822 | // both. | ||||||||
15823 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_firstprivate && | ||||||||
15824 | (isOpenMPDistributeDirective(CurrDir) || | ||||||||
15825 | DVar.CKind != OMPC_lastprivate) && | ||||||||
15826 | DVar.RefExpr) { | ||||||||
15827 | Diag(ELoc, diag::err_omp_wrong_dsa) | ||||||||
15828 | << getOpenMPClauseName(DVar.CKind) | ||||||||
15829 | << getOpenMPClauseName(OMPC_firstprivate); | ||||||||
15830 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | ||||||||
15831 | continue; | ||||||||
15832 | } | ||||||||
15833 | |||||||||
15834 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||||||
15835 | // in a Construct] | ||||||||
15836 | // Variables with the predetermined data-sharing attributes may not be | ||||||||
15837 | // listed in data-sharing attributes clauses, except for the cases | ||||||||
15838 | // listed below. For these exceptions only, listing a predetermined | ||||||||
15839 | // variable in a data-sharing attribute clause is allowed and overrides | ||||||||
15840 | // the variable's predetermined data-sharing attributes. | ||||||||
15841 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||||||
15842 | // in a Construct, C/C++, p.2] | ||||||||
15843 | // Variables with const-qualified type having no mutable member may be | ||||||||
15844 | // listed in a firstprivate clause, even if they are static data members. | ||||||||
15845 | if (!(IsConstant || (VD && VD->isStaticDataMember())) && !DVar.RefExpr && | ||||||||
15846 | DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_shared) { | ||||||||
15847 | Diag(ELoc, diag::err_omp_wrong_dsa) | ||||||||
15848 | << getOpenMPClauseName(DVar.CKind) | ||||||||
15849 | << getOpenMPClauseName(OMPC_firstprivate); | ||||||||
15850 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | ||||||||
15851 | continue; | ||||||||
15852 | } | ||||||||
15853 | |||||||||
15854 | // OpenMP [2.9.3.4, Restrictions, p.2] | ||||||||
15855 | // A list item that is private within a parallel region must not appear | ||||||||
15856 | // in a firstprivate clause on a worksharing construct if any of the | ||||||||
15857 | // worksharing regions arising from the worksharing construct ever bind | ||||||||
15858 | // to any of the parallel regions arising from the parallel construct. | ||||||||
15859 | // OpenMP 4.5 [2.15.3.4, Restrictions, p.3] | ||||||||
15860 | // A list item that is private within a teams region must not appear in a | ||||||||
15861 | // firstprivate clause on a distribute construct if any of the distribute | ||||||||
15862 | // regions arising from the distribute construct ever bind to any of the | ||||||||
15863 | // teams regions arising from the teams construct. | ||||||||
15864 | // OpenMP 4.5 [2.15.3.4, Restrictions, p.3] | ||||||||
15865 | // A list item that appears in a reduction clause of a teams construct | ||||||||
15866 | // must not appear in a firstprivate clause on a distribute construct if | ||||||||
15867 | // any of the distribute regions arising from the distribute construct | ||||||||
15868 | // ever bind to any of the teams regions arising from the teams construct. | ||||||||
15869 | if ((isOpenMPWorksharingDirective(CurrDir) || | ||||||||
15870 | isOpenMPDistributeDirective(CurrDir)) && | ||||||||
15871 | !isOpenMPParallelDirective(CurrDir) && | ||||||||
15872 | !isOpenMPTeamsDirective(CurrDir)) { | ||||||||
15873 | DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getImplicitDSA(D, true); | ||||||||
15874 | if (DVar.CKind != OMPC_shared && | ||||||||
15875 | (isOpenMPParallelDirective(DVar.DKind) || | ||||||||
15876 | isOpenMPTeamsDirective(DVar.DKind) || | ||||||||
15877 | DVar.DKind == OMPD_unknown)) { | ||||||||
15878 | Diag(ELoc, diag::err_omp_required_access) | ||||||||
15879 | << getOpenMPClauseName(OMPC_firstprivate) | ||||||||
15880 | << getOpenMPClauseName(OMPC_shared); | ||||||||
15881 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | ||||||||
15882 | continue; | ||||||||
15883 | } | ||||||||
15884 | } | ||||||||
15885 | // OpenMP [2.9.3.4, Restrictions, p.3] | ||||||||
15886 | // A list item that appears in a reduction clause of a parallel construct | ||||||||
15887 | // must not appear in a firstprivate clause on a worksharing or task | ||||||||
15888 | // construct if any of the worksharing or task regions arising from the | ||||||||
15889 | // worksharing or task construct ever bind to any of the parallel regions | ||||||||
15890 | // arising from the parallel construct. | ||||||||
15891 | // OpenMP [2.9.3.4, Restrictions, p.4] | ||||||||
15892 | // A list item that appears in a reduction clause in worksharing | ||||||||
15893 | // construct must not appear in a firstprivate clause in a task construct | ||||||||
15894 | // encountered during execution of any of the worksharing regions arising | ||||||||
15895 | // from the worksharing construct. | ||||||||
15896 | if (isOpenMPTaskingDirective(CurrDir)) { | ||||||||
15897 | DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasInnermostDSA( | ||||||||
15898 | D, | ||||||||
15899 | [](OpenMPClauseKind C, bool AppliedToPointee) { | ||||||||
15900 | return C == OMPC_reduction && !AppliedToPointee; | ||||||||
15901 | }, | ||||||||
15902 | [](OpenMPDirectiveKind K) { | ||||||||
15903 | return isOpenMPParallelDirective(K) || | ||||||||
15904 | isOpenMPWorksharingDirective(K) || | ||||||||
15905 | isOpenMPTeamsDirective(K); | ||||||||
15906 | }, | ||||||||
15907 | /*FromParent=*/true); | ||||||||
15908 | if (DVar.CKind == OMPC_reduction && | ||||||||
15909 | (isOpenMPParallelDirective(DVar.DKind) || | ||||||||
15910 | isOpenMPWorksharingDirective(DVar.DKind) || | ||||||||
15911 | isOpenMPTeamsDirective(DVar.DKind))) { | ||||||||
15912 | Diag(ELoc, diag::err_omp_parallel_reduction_in_task_firstprivate) | ||||||||
15913 | << getOpenMPDirectiveName(DVar.DKind); | ||||||||
15914 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | ||||||||
15915 | continue; | ||||||||
15916 | } | ||||||||
15917 | } | ||||||||
15918 | |||||||||
15919 | // OpenMP 4.5 [2.15.5.1, Restrictions, p.3] | ||||||||
15920 | // A list item cannot appear in both a map clause and a data-sharing | ||||||||
15921 | // attribute clause on the same construct | ||||||||
15922 | // | ||||||||
15923 | // OpenMP 5.0 [2.19.7.1, Restrictions, p.7] | ||||||||
15924 | // A list item cannot appear in both a map clause and a data-sharing | ||||||||
15925 | // attribute clause on the same construct unless the construct is a | ||||||||
15926 | // combined construct. | ||||||||
15927 | if ((LangOpts.OpenMP <= 45 && | ||||||||
15928 | isOpenMPTargetExecutionDirective(CurrDir)) || | ||||||||
15929 | CurrDir == OMPD_target) { | ||||||||
15930 | OpenMPClauseKind ConflictKind; | ||||||||
15931 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDecl( | ||||||||
15932 | VD, /*CurrentRegionOnly=*/true, | ||||||||
15933 | [&ConflictKind]( | ||||||||
15934 | OMPClauseMappableExprCommon::MappableExprComponentListRef, | ||||||||
15935 | OpenMPClauseKind WhereFoundClauseKind) { | ||||||||
15936 | ConflictKind = WhereFoundClauseKind; | ||||||||
15937 | return true; | ||||||||
15938 | })) { | ||||||||
15939 | Diag(ELoc, diag::err_omp_variable_in_given_clause_and_dsa) | ||||||||
15940 | << getOpenMPClauseName(OMPC_firstprivate) | ||||||||
15941 | << getOpenMPClauseName(ConflictKind) | ||||||||
15942 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); | ||||||||
15943 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | ||||||||
15944 | continue; | ||||||||
15945 | } | ||||||||
15946 | } | ||||||||
15947 | } | ||||||||
15948 | |||||||||
15949 | // Variably modified types are not supported for tasks. | ||||||||
15950 | if (!Type->isAnyPointerType() && Type->isVariablyModifiedType() && | ||||||||
15951 | isOpenMPTaskingDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) { | ||||||||
15952 | Diag(ELoc, diag::err_omp_variably_modified_type_not_supported) | ||||||||
15953 | << getOpenMPClauseName(OMPC_firstprivate) << Type | ||||||||
15954 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); | ||||||||
15955 | bool IsDecl = | ||||||||
15956 | !VD || | ||||||||
15957 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | ||||||||
15958 | Diag(D->getLocation(), | ||||||||
15959 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||||||
15960 | << D; | ||||||||
15961 | continue; | ||||||||
15962 | } | ||||||||
15963 | |||||||||
15964 | Type = Type.getUnqualifiedType(); | ||||||||
15965 | VarDecl *VDPrivate = | ||||||||
15966 | buildVarDecl(*this, ELoc, Type, D->getName(), | ||||||||
15967 | D->hasAttrs() ? &D->getAttrs() : nullptr, | ||||||||
15968 | VD ? cast<DeclRefExpr>(SimpleRefExpr) : nullptr); | ||||||||
15969 | // Generate helper private variable and initialize it with the value of the | ||||||||
15970 | // original variable. The address of the original variable is replaced by | ||||||||
15971 | // the address of the new private variable in the CodeGen. This new variable | ||||||||
15972 | // is not added to IdResolver, so the code in the OpenMP region uses | ||||||||
15973 | // original variable for proper diagnostics and variable capturing. | ||||||||
15974 | Expr *VDInitRefExpr = nullptr; | ||||||||
15975 | // For arrays generate initializer for single element and replace it by the | ||||||||
15976 | // original array element in CodeGen. | ||||||||
15977 | if (Type->isArrayType()) { | ||||||||
15978 | VarDecl *VDInit = | ||||||||
15979 | buildVarDecl(*this, RefExpr->getExprLoc(), ElemType, D->getName()); | ||||||||
15980 | VDInitRefExpr = buildDeclRefExpr(*this, VDInit, ElemType, ELoc); | ||||||||
15981 | Expr *Init = DefaultLvalueConversion(VDInitRefExpr).get(); | ||||||||
15982 | ElemType = ElemType.getUnqualifiedType(); | ||||||||
15983 | VarDecl *VDInitTemp = buildVarDecl(*this, RefExpr->getExprLoc(), ElemType, | ||||||||
15984 | ".firstprivate.temp"); | ||||||||
15985 | InitializedEntity Entity = | ||||||||
15986 | InitializedEntity::InitializeVariable(VDInitTemp); | ||||||||
15987 | InitializationKind Kind = InitializationKind::CreateCopy(ELoc, ELoc); | ||||||||
15988 | |||||||||
15989 | InitializationSequence InitSeq(*this, Entity, Kind, Init); | ||||||||
15990 | ExprResult Result = InitSeq.Perform(*this, Entity, Kind, Init); | ||||||||
15991 | if (Result.isInvalid()) | ||||||||
15992 | VDPrivate->setInvalidDecl(); | ||||||||
15993 | else | ||||||||
15994 | VDPrivate->setInit(Result.getAs<Expr>()); | ||||||||
15995 | // Remove temp variable declaration. | ||||||||
15996 | Context.Deallocate(VDInitTemp); | ||||||||
15997 | } else { | ||||||||
15998 | VarDecl *VDInit = buildVarDecl(*this, RefExpr->getExprLoc(), Type, | ||||||||
15999 | ".firstprivate.temp"); | ||||||||
16000 | VDInitRefExpr = buildDeclRefExpr(*this, VDInit, RefExpr->getType(), | ||||||||
16001 | RefExpr->getExprLoc()); | ||||||||
16002 | AddInitializerToDecl(VDPrivate, | ||||||||
16003 | DefaultLvalueConversion(VDInitRefExpr).get(), | ||||||||
16004 | /*DirectInit=*/false); | ||||||||
16005 | } | ||||||||
16006 | if (VDPrivate->isInvalidDecl()) { | ||||||||
16007 | if (IsImplicitClause) { | ||||||||
16008 | Diag(RefExpr->getExprLoc(), | ||||||||
16009 | diag::note_omp_task_predetermined_firstprivate_here); | ||||||||
16010 | } | ||||||||
16011 | continue; | ||||||||
16012 | } | ||||||||
16013 | CurContext->addDecl(VDPrivate); | ||||||||
16014 | DeclRefExpr *VDPrivateRefExpr = buildDeclRefExpr( | ||||||||
16015 | *this, VDPrivate, RefExpr->getType().getUnqualifiedType(), | ||||||||
16016 | RefExpr->getExprLoc()); | ||||||||
16017 | DeclRefExpr *Ref = nullptr; | ||||||||
16018 | if (!VD && !CurContext->isDependentContext()) { | ||||||||
16019 | if (TopDVar.CKind == OMPC_lastprivate) { | ||||||||
16020 | Ref = TopDVar.PrivateCopy; | ||||||||
16021 | } else { | ||||||||
16022 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/true); | ||||||||
16023 | if (!isOpenMPCapturedDecl(D)) | ||||||||
16024 | ExprCaptures.push_back(Ref->getDecl()); | ||||||||
16025 | } | ||||||||
16026 | } | ||||||||
16027 | if (!IsImplicitClause) | ||||||||
16028 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_firstprivate, Ref); | ||||||||
16029 | Vars.push_back((VD || CurContext->isDependentContext()) | ||||||||
16030 | ? RefExpr->IgnoreParens() | ||||||||
16031 | : Ref); | ||||||||
16032 | PrivateCopies.push_back(VDPrivateRefExpr); | ||||||||
16033 | Inits.push_back(VDInitRefExpr); | ||||||||
16034 | } | ||||||||
16035 | |||||||||
16036 | if (Vars.empty()) | ||||||||
16037 | return nullptr; | ||||||||
16038 | |||||||||
16039 | return OMPFirstprivateClause::Create(Context, StartLoc, LParenLoc, EndLoc, | ||||||||
16040 | Vars, PrivateCopies, Inits, | ||||||||
16041 | buildPreInits(Context, ExprCaptures)); | ||||||||
16042 | } | ||||||||
16043 | |||||||||
16044 | OMPClause *Sema::ActOnOpenMPLastprivateClause( | ||||||||
16045 | ArrayRef<Expr *> VarList, OpenMPLastprivateModifier LPKind, | ||||||||
16046 | SourceLocation LPKindLoc, SourceLocation ColonLoc, SourceLocation StartLoc, | ||||||||
16047 | SourceLocation LParenLoc, SourceLocation EndLoc) { | ||||||||
16048 | if (LPKind == OMPC_LASTPRIVATE_unknown && LPKindLoc.isValid()) { | ||||||||
16049 | assert(ColonLoc.isValid() && "Colon location must be valid.")((void)0); | ||||||||
16050 | Diag(LPKindLoc, diag::err_omp_unexpected_clause_value) | ||||||||
16051 | << getListOfPossibleValues(OMPC_lastprivate, /*First=*/0, | ||||||||
16052 | /*Last=*/OMPC_LASTPRIVATE_unknown) | ||||||||
16053 | << getOpenMPClauseName(OMPC_lastprivate); | ||||||||
16054 | return nullptr; | ||||||||
16055 | } | ||||||||
16056 | |||||||||
16057 | SmallVector<Expr *, 8> Vars; | ||||||||
16058 | SmallVector<Expr *, 8> SrcExprs; | ||||||||
16059 | SmallVector<Expr *, 8> DstExprs; | ||||||||
16060 | SmallVector<Expr *, 8> AssignmentOps; | ||||||||
16061 | SmallVector<Decl *, 4> ExprCaptures; | ||||||||
16062 | SmallVector<Expr *, 4> ExprPostUpdates; | ||||||||
16063 | for (Expr *RefExpr : VarList) { | ||||||||
16064 | assert(RefExpr && "NULL expr in OpenMP lastprivate clause.")((void)0); | ||||||||
16065 | SourceLocation ELoc; | ||||||||
16066 | SourceRange ERange; | ||||||||
16067 | Expr *SimpleRefExpr = RefExpr; | ||||||||
16068 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | ||||||||
16069 | if (Res.second) { | ||||||||
16070 | // It will be analyzed later. | ||||||||
16071 | Vars.push_back(RefExpr); | ||||||||
16072 | SrcExprs.push_back(nullptr); | ||||||||
16073 | DstExprs.push_back(nullptr); | ||||||||
16074 | AssignmentOps.push_back(nullptr); | ||||||||
16075 | } | ||||||||
16076 | ValueDecl *D = Res.first; | ||||||||
16077 | if (!D) | ||||||||
16078 | continue; | ||||||||
16079 | |||||||||
16080 | QualType Type = D->getType(); | ||||||||
16081 | auto *VD = dyn_cast<VarDecl>(D); | ||||||||
16082 | |||||||||
16083 | // OpenMP [2.14.3.5, Restrictions, C/C++, p.2] | ||||||||
16084 | // A variable that appears in a lastprivate clause must not have an | ||||||||
16085 | // incomplete type or a reference type. | ||||||||
16086 | if (RequireCompleteType(ELoc, Type, | ||||||||
16087 | diag::err_omp_lastprivate_incomplete_type)) | ||||||||
16088 | continue; | ||||||||
16089 | Type = Type.getNonReferenceType(); | ||||||||
16090 | |||||||||
16091 | // OpenMP 5.0 [2.19.3, List Item Privatization, Restrictions] | ||||||||
16092 | // A variable that is privatized must not have a const-qualified type | ||||||||
16093 | // unless it is of class type with a mutable member. This restriction does | ||||||||
16094 | // not apply to the firstprivate clause. | ||||||||
16095 | // | ||||||||
16096 | // OpenMP 3.1 [2.9.3.5, lastprivate clause, Restrictions] | ||||||||
16097 | // A variable that appears in a lastprivate clause must not have a | ||||||||
16098 | // const-qualified type unless it is of class type with a mutable member. | ||||||||
16099 | if (rejectConstNotMutableType(*this, D, Type, OMPC_lastprivate, ELoc)) | ||||||||
16100 | continue; | ||||||||
16101 | |||||||||
16102 | // OpenMP 5.0 [2.19.4.5 lastprivate Clause, Restrictions] | ||||||||
16103 | // A list item that appears in a lastprivate clause with the conditional | ||||||||
16104 | // modifier must be a scalar variable. | ||||||||
16105 | if (LPKind == OMPC_LASTPRIVATE_conditional && !Type->isScalarType()) { | ||||||||
16106 | Diag(ELoc, diag::err_omp_lastprivate_conditional_non_scalar); | ||||||||
16107 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == | ||||||||
16108 | VarDecl::DeclarationOnly; | ||||||||
16109 | Diag(D->getLocation(), | ||||||||
16110 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||||||
16111 | << D; | ||||||||
16112 | continue; | ||||||||
16113 | } | ||||||||
16114 | |||||||||
16115 | OpenMPDirectiveKind CurrDir = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | ||||||||
16116 | // OpenMP [2.14.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||||||
16117 | // in a Construct] | ||||||||
16118 | // Variables with the predetermined data-sharing attributes may not be | ||||||||
16119 | // listed in data-sharing attributes clauses, except for the cases | ||||||||
16120 | // listed below. | ||||||||
16121 | // OpenMP 4.5 [2.10.8, Distribute Construct, p.3] | ||||||||
16122 | // A list item may appear in a firstprivate or lastprivate clause but not | ||||||||
16123 | // both. | ||||||||
16124 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | ||||||||
16125 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_lastprivate && | ||||||||
16126 | (isOpenMPDistributeDirective(CurrDir) || | ||||||||
16127 | DVar.CKind != OMPC_firstprivate) && | ||||||||
16128 | (DVar.CKind != OMPC_private || DVar.RefExpr != nullptr)) { | ||||||||
16129 | Diag(ELoc, diag::err_omp_wrong_dsa) | ||||||||
16130 | << getOpenMPClauseName(DVar.CKind) | ||||||||
16131 | << getOpenMPClauseName(OMPC_lastprivate); | ||||||||
16132 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | ||||||||
16133 | continue; | ||||||||
16134 | } | ||||||||
16135 | |||||||||
16136 | // OpenMP [2.14.3.5, Restrictions, p.2] | ||||||||
16137 | // A list item that is private within a parallel region, or that appears in | ||||||||
16138 | // the reduction clause of a parallel construct, must not appear in a | ||||||||
16139 | // lastprivate clause on a worksharing construct if any of the corresponding | ||||||||
16140 | // worksharing regions ever binds to any of the corresponding parallel | ||||||||
16141 | // regions. | ||||||||
16142 | DSAStackTy::DSAVarData TopDVar = DVar; | ||||||||
16143 | if (isOpenMPWorksharingDirective(CurrDir) && | ||||||||
16144 | !isOpenMPParallelDirective(CurrDir) && | ||||||||
16145 | !isOpenMPTeamsDirective(CurrDir)) { | ||||||||
16146 | DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getImplicitDSA(D, true); | ||||||||
16147 | if (DVar.CKind != OMPC_shared) { | ||||||||
16148 | Diag(ELoc, diag::err_omp_required_access) | ||||||||
16149 | << getOpenMPClauseName(OMPC_lastprivate) | ||||||||
16150 | << getOpenMPClauseName(OMPC_shared); | ||||||||
16151 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | ||||||||
16152 | continue; | ||||||||
16153 | } | ||||||||
16154 | } | ||||||||
16155 | |||||||||
16156 | // OpenMP [2.14.3.5, Restrictions, C++, p.1,2] | ||||||||
16157 | // A variable of class type (or array thereof) that appears in a | ||||||||
16158 | // lastprivate clause requires an accessible, unambiguous default | ||||||||
16159 | // constructor for the class type, unless the list item is also specified | ||||||||
16160 | // in a firstprivate clause. | ||||||||
16161 | // A variable of class type (or array thereof) that appears in a | ||||||||
16162 | // lastprivate clause requires an accessible, unambiguous copy assignment | ||||||||
16163 | // operator for the class type. | ||||||||
16164 | Type = Context.getBaseElementType(Type).getNonReferenceType(); | ||||||||
16165 | VarDecl *SrcVD = buildVarDecl(*this, ERange.getBegin(), | ||||||||
16166 | Type.getUnqualifiedType(), ".lastprivate.src", | ||||||||
16167 | D->hasAttrs() ? &D->getAttrs() : nullptr); | ||||||||
16168 | DeclRefExpr *PseudoSrcExpr = | ||||||||
16169 | buildDeclRefExpr(*this, SrcVD, Type.getUnqualifiedType(), ELoc); | ||||||||
16170 | VarDecl *DstVD = | ||||||||
16171 | buildVarDecl(*this, ERange.getBegin(), Type, ".lastprivate.dst", | ||||||||
16172 | D->hasAttrs() ? &D->getAttrs() : nullptr); | ||||||||
16173 | DeclRefExpr *PseudoDstExpr = buildDeclRefExpr(*this, DstVD, Type, ELoc); | ||||||||
16174 | // For arrays generate assignment operation for single element and replace | ||||||||
16175 | // it by the original array element in CodeGen. | ||||||||
16176 | ExprResult AssignmentOp = BuildBinOp(/*S=*/nullptr, ELoc, BO_Assign, | ||||||||
16177 | PseudoDstExpr, PseudoSrcExpr); | ||||||||
16178 | if (AssignmentOp.isInvalid()) | ||||||||
16179 | continue; | ||||||||
16180 | AssignmentOp = | ||||||||
16181 | ActOnFinishFullExpr(AssignmentOp.get(), ELoc, /*DiscardedValue*/ false); | ||||||||
16182 | if (AssignmentOp.isInvalid()) | ||||||||
16183 | continue; | ||||||||
16184 | |||||||||
16185 | DeclRefExpr *Ref = nullptr; | ||||||||
16186 | if (!VD && !CurContext->isDependentContext()) { | ||||||||
16187 | if (TopDVar.CKind == OMPC_firstprivate) { | ||||||||
16188 | Ref = TopDVar.PrivateCopy; | ||||||||
16189 | } else { | ||||||||
16190 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/false); | ||||||||
16191 | if (!isOpenMPCapturedDecl(D)) | ||||||||
16192 | ExprCaptures.push_back(Ref->getDecl()); | ||||||||
16193 | } | ||||||||
16194 | if ((TopDVar.CKind == OMPC_firstprivate && !TopDVar.PrivateCopy) || | ||||||||
16195 | (!isOpenMPCapturedDecl(D) && | ||||||||
16196 | Ref->getDecl()->hasAttr<OMPCaptureNoInitAttr>())) { | ||||||||
16197 | ExprResult RefRes = DefaultLvalueConversion(Ref); | ||||||||
16198 | if (!RefRes.isUsable()) | ||||||||
16199 | continue; | ||||||||
16200 | ExprResult PostUpdateRes = | ||||||||
16201 | BuildBinOp(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurScope(), ELoc, BO_Assign, SimpleRefExpr, | ||||||||
16202 | RefRes.get()); | ||||||||
16203 | if (!PostUpdateRes.isUsable()) | ||||||||
16204 | continue; | ||||||||
16205 | ExprPostUpdates.push_back( | ||||||||
16206 | IgnoredValueConversions(PostUpdateRes.get()).get()); | ||||||||
16207 | } | ||||||||
16208 | } | ||||||||
16209 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_lastprivate, Ref); | ||||||||
16210 | Vars.push_back((VD || CurContext->isDependentContext()) | ||||||||
16211 | ? RefExpr->IgnoreParens() | ||||||||
16212 | : Ref); | ||||||||
16213 | SrcExprs.push_back(PseudoSrcExpr); | ||||||||
16214 | DstExprs.push_back(PseudoDstExpr); | ||||||||
16215 | AssignmentOps.push_back(AssignmentOp.get()); | ||||||||
16216 | } | ||||||||
16217 | |||||||||
16218 | if (Vars.empty()) | ||||||||
16219 | return nullptr; | ||||||||
16220 | |||||||||
16221 | return OMPLastprivateClause::Create(Context, StartLoc, LParenLoc, EndLoc, | ||||||||
16222 | Vars, SrcExprs, DstExprs, AssignmentOps, | ||||||||
16223 | LPKind, LPKindLoc, ColonLoc, | ||||||||
16224 | buildPreInits(Context, ExprCaptures), | ||||||||
16225 | buildPostUpdate(*this, ExprPostUpdates)); | ||||||||
16226 | } | ||||||||
16227 | |||||||||
16228 | OMPClause *Sema::ActOnOpenMPSharedClause(ArrayRef<Expr *> VarList, | ||||||||
16229 | SourceLocation StartLoc, | ||||||||
16230 | SourceLocation LParenLoc, | ||||||||
16231 | SourceLocation EndLoc) { | ||||||||
16232 | SmallVector<Expr *, 8> Vars; | ||||||||
16233 | for (Expr *RefExpr : VarList) { | ||||||||
16234 | assert(RefExpr && "NULL expr in OpenMP lastprivate clause.")((void)0); | ||||||||
16235 | SourceLocation ELoc; | ||||||||
16236 | SourceRange ERange; | ||||||||
16237 | Expr *SimpleRefExpr = RefExpr; | ||||||||
16238 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | ||||||||
16239 | if (Res.second) { | ||||||||
16240 | // It will be analyzed later. | ||||||||
16241 | Vars.push_back(RefExpr); | ||||||||
16242 | } | ||||||||
16243 | ValueDecl *D = Res.first; | ||||||||
16244 | if (!D) | ||||||||
16245 | continue; | ||||||||
16246 | |||||||||
16247 | auto *VD = dyn_cast<VarDecl>(D); | ||||||||
16248 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||||||
16249 | // in a Construct] | ||||||||
16250 | // Variables with the predetermined data-sharing attributes may not be | ||||||||
16251 | // listed in data-sharing attributes clauses, except for the cases | ||||||||
16252 | // listed below. For these exceptions only, listing a predetermined | ||||||||
16253 | // variable in a data-sharing attribute clause is allowed and overrides | ||||||||
16254 | // the variable's predetermined data-sharing attributes. | ||||||||
16255 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | ||||||||
16256 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_shared && | ||||||||
16257 | DVar.RefExpr) { | ||||||||
16258 | Diag(ELoc, diag::err_omp_wrong_dsa) << getOpenMPClauseName(DVar.CKind) | ||||||||
16259 | << getOpenMPClauseName(OMPC_shared); | ||||||||
16260 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | ||||||||
16261 | continue; | ||||||||
16262 | } | ||||||||
16263 | |||||||||
16264 | DeclRefExpr *Ref = nullptr; | ||||||||
16265 | if (!VD && isOpenMPCapturedDecl(D) && !CurContext->isDependentContext()) | ||||||||
16266 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/true); | ||||||||
16267 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_shared, Ref); | ||||||||
16268 | Vars.push_back((VD || !Ref || CurContext->isDependentContext()) | ||||||||
16269 | ? RefExpr->IgnoreParens() | ||||||||
16270 | : Ref); | ||||||||
16271 | } | ||||||||
16272 | |||||||||
16273 | if (Vars.empty()) | ||||||||
16274 | return nullptr; | ||||||||
16275 | |||||||||
16276 | return OMPSharedClause::Create(Context, StartLoc, LParenLoc, EndLoc, Vars); | ||||||||
16277 | } | ||||||||
16278 | |||||||||
16279 | namespace { | ||||||||
16280 | class DSARefChecker : public StmtVisitor<DSARefChecker, bool> { | ||||||||
16281 | DSAStackTy *Stack; | ||||||||
16282 | |||||||||
16283 | public: | ||||||||
16284 | bool VisitDeclRefExpr(DeclRefExpr *E) { | ||||||||
16285 | if (auto *VD = dyn_cast<VarDecl>(E->getDecl())) { | ||||||||
16286 | DSAStackTy::DSAVarData DVar = Stack->getTopDSA(VD, /*FromParent=*/false); | ||||||||
16287 | if (DVar.CKind == OMPC_shared && !DVar.RefExpr) | ||||||||
16288 | return false; | ||||||||
16289 | if (DVar.CKind != OMPC_unknown) | ||||||||
16290 | return true; | ||||||||
16291 | DSAStackTy::DSAVarData DVarPrivate = Stack->hasDSA( | ||||||||
16292 | VD, | ||||||||
16293 | [](OpenMPClauseKind C, bool AppliedToPointee) { | ||||||||
16294 | return isOpenMPPrivate(C) && !AppliedToPointee; | ||||||||
16295 | }, | ||||||||
16296 | [](OpenMPDirectiveKind) { return true; }, | ||||||||
16297 | /*FromParent=*/true); | ||||||||
16298 | return DVarPrivate.CKind != OMPC_unknown; | ||||||||
16299 | } | ||||||||
16300 | return false; | ||||||||
16301 | } | ||||||||
16302 | bool VisitStmt(Stmt *S) { | ||||||||
16303 | for (Stmt *Child : S->children()) { | ||||||||
16304 | if (Child && Visit(Child)) | ||||||||
16305 | return true; | ||||||||
16306 | } | ||||||||
16307 | return false; | ||||||||
16308 | } | ||||||||
16309 | explicit DSARefChecker(DSAStackTy *S) : Stack(S) {} | ||||||||
16310 | }; | ||||||||
16311 | } // namespace | ||||||||
16312 | |||||||||
16313 | namespace { | ||||||||
16314 | // Transform MemberExpression for specified FieldDecl of current class to | ||||||||
16315 | // DeclRefExpr to specified OMPCapturedExprDecl. | ||||||||
16316 | class TransformExprToCaptures : public TreeTransform<TransformExprToCaptures> { | ||||||||
16317 | typedef TreeTransform<TransformExprToCaptures> BaseTransform; | ||||||||
16318 | ValueDecl *Field = nullptr; | ||||||||
16319 | DeclRefExpr *CapturedExpr = nullptr; | ||||||||
16320 | |||||||||
16321 | public: | ||||||||
16322 | TransformExprToCaptures(Sema &SemaRef, ValueDecl *FieldDecl) | ||||||||
16323 | : BaseTransform(SemaRef), Field(FieldDecl), CapturedExpr(nullptr) {} | ||||||||
16324 | |||||||||
16325 | ExprResult TransformMemberExpr(MemberExpr *E) { | ||||||||
16326 | if (isa<CXXThisExpr>(E->getBase()->IgnoreParenImpCasts()) && | ||||||||
16327 | E->getMemberDecl() == Field) { | ||||||||
16328 | CapturedExpr = buildCapture(SemaRef, Field, E, /*WithInit=*/false); | ||||||||
16329 | return CapturedExpr; | ||||||||
16330 | } | ||||||||
16331 | return BaseTransform::TransformMemberExpr(E); | ||||||||
16332 | } | ||||||||
16333 | DeclRefExpr *getCapturedExpr() { return CapturedExpr; } | ||||||||
16334 | }; | ||||||||
16335 | } // namespace | ||||||||
16336 | |||||||||
16337 | template <typename T, typename U> | ||||||||
16338 | static T filterLookupForUDReductionAndMapper( | ||||||||
16339 | SmallVectorImpl<U> &Lookups, const llvm::function_ref<T(ValueDecl *)> Gen) { | ||||||||
16340 | for (U &Set : Lookups) { | ||||||||
16341 | for (auto *D : Set) { | ||||||||
16342 | if (T Res = Gen(cast<ValueDecl>(D))) | ||||||||
16343 | return Res; | ||||||||
16344 | } | ||||||||
16345 | } | ||||||||
16346 | return T(); | ||||||||
16347 | } | ||||||||
16348 | |||||||||
16349 | static NamedDecl *findAcceptableDecl(Sema &SemaRef, NamedDecl *D) { | ||||||||
16350 | assert(!LookupResult::isVisible(SemaRef, D) && "not in slow case")((void)0); | ||||||||
16351 | |||||||||
16352 | for (auto RD : D->redecls()) { | ||||||||
16353 | // Don't bother with extra checks if we already know this one isn't visible. | ||||||||
16354 | if (RD == D) | ||||||||
16355 | continue; | ||||||||
16356 | |||||||||
16357 | auto ND = cast<NamedDecl>(RD); | ||||||||
16358 | if (LookupResult::isVisible(SemaRef, ND)) | ||||||||
16359 | return ND; | ||||||||
16360 | } | ||||||||
16361 | |||||||||
16362 | return nullptr; | ||||||||
16363 | } | ||||||||
16364 | |||||||||
16365 | static void | ||||||||
16366 | argumentDependentLookup(Sema &SemaRef, const DeclarationNameInfo &Id, | ||||||||
16367 | SourceLocation Loc, QualType Ty, | ||||||||
16368 | SmallVectorImpl<UnresolvedSet<8>> &Lookups) { | ||||||||
16369 | // Find all of the associated namespaces and classes based on the | ||||||||
16370 | // arguments we have. | ||||||||
16371 | Sema::AssociatedNamespaceSet AssociatedNamespaces; | ||||||||
16372 | Sema::AssociatedClassSet AssociatedClasses; | ||||||||
16373 | OpaqueValueExpr OVE(Loc, Ty, VK_LValue); | ||||||||
16374 | SemaRef.FindAssociatedClassesAndNamespaces(Loc, &OVE, AssociatedNamespaces, | ||||||||
16375 | AssociatedClasses); | ||||||||
16376 | |||||||||
16377 | // C++ [basic.lookup.argdep]p3: | ||||||||
16378 | // Let X be the lookup set produced by unqualified lookup (3.4.1) | ||||||||
16379 | // and let Y be the lookup set produced by argument dependent | ||||||||
16380 | // lookup (defined as follows). If X contains [...] then Y is | ||||||||
16381 | // empty. Otherwise Y is the set of declarations found in the | ||||||||
16382 | // namespaces associated with the argument types as described | ||||||||
16383 | // below. The set of declarations found by the lookup of the name | ||||||||
16384 | // is the union of X and Y. | ||||||||
16385 | // | ||||||||
16386 | // Here, we compute Y and add its members to the overloaded | ||||||||
16387 | // candidate set. | ||||||||
16388 | for (auto *NS : AssociatedNamespaces) { | ||||||||
16389 | // When considering an associated namespace, the lookup is the | ||||||||
16390 | // same as the lookup performed when the associated namespace is | ||||||||
16391 | // used as a qualifier (3.4.3.2) except that: | ||||||||
16392 | // | ||||||||
16393 | // -- Any using-directives in the associated namespace are | ||||||||
16394 | // ignored. | ||||||||
16395 | // | ||||||||
16396 | // -- Any namespace-scope friend functions declared in | ||||||||
16397 | // associated classes are visible within their respective | ||||||||
16398 | // namespaces even if they are not visible during an ordinary | ||||||||
16399 | // lookup (11.4). | ||||||||
16400 | DeclContext::lookup_result R = NS->lookup(Id.getName()); | ||||||||
16401 | for (auto *D : R) { | ||||||||
16402 | auto *Underlying = D; | ||||||||
16403 | if (auto *USD = dyn_cast<UsingShadowDecl>(D)) | ||||||||
16404 | Underlying = USD->getTargetDecl(); | ||||||||
16405 | |||||||||
16406 | if (!isa<OMPDeclareReductionDecl>(Underlying) && | ||||||||
16407 | !isa<OMPDeclareMapperDecl>(Underlying)) | ||||||||
16408 | continue; | ||||||||
16409 | |||||||||
16410 | if (!SemaRef.isVisible(D)) { | ||||||||
16411 | D = findAcceptableDecl(SemaRef, D); | ||||||||
16412 | if (!D) | ||||||||
16413 | continue; | ||||||||
16414 | if (auto *USD = dyn_cast<UsingShadowDecl>(D)) | ||||||||
16415 | Underlying = USD->getTargetDecl(); | ||||||||
16416 | } | ||||||||
16417 | Lookups.emplace_back(); | ||||||||
16418 | Lookups.back().addDecl(Underlying); | ||||||||
16419 | } | ||||||||
16420 | } | ||||||||
16421 | } | ||||||||
16422 | |||||||||
16423 | static ExprResult | ||||||||
16424 | buildDeclareReductionRef(Sema &SemaRef, SourceLocation Loc, SourceRange Range, | ||||||||
16425 | Scope *S, CXXScopeSpec &ReductionIdScopeSpec, | ||||||||
16426 | const DeclarationNameInfo &ReductionId, QualType Ty, | ||||||||
16427 | CXXCastPath &BasePath, Expr *UnresolvedReduction) { | ||||||||
16428 | if (ReductionIdScopeSpec.isInvalid()) | ||||||||
16429 | return ExprError(); | ||||||||
16430 | SmallVector<UnresolvedSet<8>, 4> Lookups; | ||||||||
16431 | if (S) { | ||||||||
16432 | LookupResult Lookup(SemaRef, ReductionId, Sema::LookupOMPReductionName); | ||||||||
16433 | Lookup.suppressDiagnostics(); | ||||||||
16434 | while (S && SemaRef.LookupParsedName(Lookup, S, &ReductionIdScopeSpec)) { | ||||||||
16435 | NamedDecl *D = Lookup.getRepresentativeDecl(); | ||||||||
16436 | do { | ||||||||
16437 | S = S->getParent(); | ||||||||
16438 | } while (S && !S->isDeclScope(D)); | ||||||||
16439 | if (S) | ||||||||
16440 | S = S->getParent(); | ||||||||
16441 | Lookups.emplace_back(); | ||||||||
16442 | Lookups.back().append(Lookup.begin(), Lookup.end()); | ||||||||
16443 | Lookup.clear(); | ||||||||
16444 | } | ||||||||
16445 | } else if (auto *ULE = | ||||||||
16446 | cast_or_null<UnresolvedLookupExpr>(UnresolvedReduction)) { | ||||||||
16447 | Lookups.push_back(UnresolvedSet<8>()); | ||||||||
16448 | Decl *PrevD = nullptr; | ||||||||
16449 | for (NamedDecl *D : ULE->decls()) { | ||||||||
16450 | if (D == PrevD) | ||||||||
16451 | Lookups.push_back(UnresolvedSet<8>()); | ||||||||
16452 | else if (auto *DRD = dyn_cast<OMPDeclareReductionDecl>(D)) | ||||||||
16453 | Lookups.back().addDecl(DRD); | ||||||||
16454 | PrevD = D; | ||||||||
16455 | } | ||||||||
16456 | } | ||||||||
16457 | if (SemaRef.CurContext->isDependentContext() || Ty->isDependentType() || | ||||||||
16458 | Ty->isInstantiationDependentType() || | ||||||||
16459 | Ty->containsUnexpandedParameterPack() || | ||||||||
16460 | filterLookupForUDReductionAndMapper<bool>(Lookups, [](ValueDecl *D) { | ||||||||
16461 | return !D->isInvalidDecl() && | ||||||||
16462 | (D->getType()->isDependentType() || | ||||||||
16463 | D->getType()->isInstantiationDependentType() || | ||||||||
16464 | D->getType()->containsUnexpandedParameterPack()); | ||||||||
16465 | })) { | ||||||||
16466 | UnresolvedSet<8> ResSet; | ||||||||
16467 | for (const UnresolvedSet<8> &Set : Lookups) { | ||||||||
16468 | if (Set.empty()) | ||||||||
16469 | continue; | ||||||||
16470 | ResSet.append(Set.begin(), Set.end()); | ||||||||
16471 | // The last item marks the end of all declarations at the specified scope. | ||||||||
16472 | ResSet.addDecl(Set[Set.size() - 1]); | ||||||||
16473 | } | ||||||||
16474 | return UnresolvedLookupExpr::Create( | ||||||||
16475 | SemaRef.Context, /*NamingClass=*/nullptr, | ||||||||
16476 | ReductionIdScopeSpec.getWithLocInContext(SemaRef.Context), ReductionId, | ||||||||
16477 | /*ADL=*/true, /*Overloaded=*/true, ResSet.begin(), ResSet.end()); | ||||||||
16478 | } | ||||||||
16479 | // Lookup inside the classes. | ||||||||
16480 | // C++ [over.match.oper]p3: | ||||||||
16481 | // For a unary operator @ with an operand of a type whose | ||||||||
16482 | // cv-unqualified version is T1, and for a binary operator @ with | ||||||||
16483 | // a left operand of a type whose cv-unqualified version is T1 and | ||||||||
16484 | // a right operand of a type whose cv-unqualified version is T2, | ||||||||
16485 | // three sets of candidate functions, designated member | ||||||||
16486 | // candidates, non-member candidates and built-in candidates, are | ||||||||
16487 | // constructed as follows: | ||||||||
16488 | // -- If T1 is a complete class type or a class currently being | ||||||||
16489 | // defined, the set of member candidates is the result of the | ||||||||
16490 | // qualified lookup of T1::operator@ (13.3.1.1.1); otherwise, | ||||||||
16491 | // the set of member candidates is empty. | ||||||||
16492 | LookupResult Lookup(SemaRef, ReductionId, Sema::LookupOMPReductionName); | ||||||||
16493 | Lookup.suppressDiagnostics(); | ||||||||
16494 | if (const auto *TyRec = Ty->getAs<RecordType>()) { | ||||||||
16495 | // Complete the type if it can be completed. | ||||||||
16496 | // If the type is neither complete nor being defined, bail out now. | ||||||||
16497 | if (SemaRef.isCompleteType(Loc, Ty) || TyRec->isBeingDefined() || | ||||||||
16498 | TyRec->getDecl()->getDefinition()) { | ||||||||
16499 | Lookup.clear(); | ||||||||
16500 | SemaRef.LookupQualifiedName(Lookup, TyRec->getDecl()); | ||||||||
16501 | if (Lookup.empty()) { | ||||||||
16502 | Lookups.emplace_back(); | ||||||||
16503 | Lookups.back().append(Lookup.begin(), Lookup.end()); | ||||||||
16504 | } | ||||||||
16505 | } | ||||||||
16506 | } | ||||||||
16507 | // Perform ADL. | ||||||||
16508 | if (SemaRef.getLangOpts().CPlusPlus) | ||||||||
16509 | argumentDependentLookup(SemaRef, ReductionId, Loc, Ty, Lookups); | ||||||||
16510 | if (auto *VD = filterLookupForUDReductionAndMapper<ValueDecl *>( | ||||||||
16511 | Lookups, [&SemaRef, Ty](ValueDecl *D) -> ValueDecl * { | ||||||||
16512 | if (!D->isInvalidDecl() && | ||||||||
16513 | SemaRef.Context.hasSameType(D->getType(), Ty)) | ||||||||
16514 | return D; | ||||||||
16515 | return nullptr; | ||||||||
16516 | })) | ||||||||
16517 | return SemaRef.BuildDeclRefExpr(VD, VD->getType().getNonReferenceType(), | ||||||||
16518 | VK_LValue, Loc); | ||||||||
16519 | if (SemaRef.getLangOpts().CPlusPlus) { | ||||||||
16520 | if (auto *VD = filterLookupForUDReductionAndMapper<ValueDecl *>( | ||||||||
16521 | Lookups, [&SemaRef, Ty, Loc](ValueDecl *D) -> ValueDecl * { | ||||||||
16522 | if (!D->isInvalidDecl() && | ||||||||
16523 | SemaRef.IsDerivedFrom(Loc, Ty, D->getType()) && | ||||||||
16524 | !Ty.isMoreQualifiedThan(D->getType())) | ||||||||
16525 | return D; | ||||||||
16526 | return nullptr; | ||||||||
16527 | })) { | ||||||||
16528 | CXXBasePaths Paths(/*FindAmbiguities=*/true, /*RecordPaths=*/true, | ||||||||
16529 | /*DetectVirtual=*/false); | ||||||||
16530 | if (SemaRef.IsDerivedFrom(Loc, Ty, VD->getType(), Paths)) { | ||||||||
16531 | if (!Paths.isAmbiguous(SemaRef.Context.getCanonicalType( | ||||||||
16532 | VD->getType().getUnqualifiedType()))) { | ||||||||
16533 | if (SemaRef.CheckBaseClassAccess( | ||||||||
16534 | Loc, VD->getType(), Ty, Paths.front(), | ||||||||
16535 | /*DiagID=*/0) != Sema::AR_inaccessible) { | ||||||||
16536 | SemaRef.BuildBasePathArray(Paths, BasePath); | ||||||||
16537 | return SemaRef.BuildDeclRefExpr( | ||||||||
16538 | VD, VD->getType().getNonReferenceType(), VK_LValue, Loc); | ||||||||
16539 | } | ||||||||
16540 | } | ||||||||
16541 | } | ||||||||
16542 | } | ||||||||
16543 | } | ||||||||
16544 | if (ReductionIdScopeSpec.isSet()) { | ||||||||
16545 | SemaRef.Diag(Loc, diag::err_omp_not_resolved_reduction_identifier) | ||||||||
16546 | << Ty << Range; | ||||||||
16547 | return ExprError(); | ||||||||
16548 | } | ||||||||
16549 | return ExprEmpty(); | ||||||||
16550 | } | ||||||||
16551 | |||||||||
16552 | namespace { | ||||||||
16553 | /// Data for the reduction-based clauses. | ||||||||
16554 | struct ReductionData { | ||||||||
16555 | /// List of original reduction items. | ||||||||
16556 | SmallVector<Expr *, 8> Vars; | ||||||||
16557 | /// List of private copies of the reduction items. | ||||||||
16558 | SmallVector<Expr *, 8> Privates; | ||||||||
16559 | /// LHS expressions for the reduction_op expressions. | ||||||||
16560 | SmallVector<Expr *, 8> LHSs; | ||||||||
16561 | /// RHS expressions for the reduction_op expressions. | ||||||||
16562 | SmallVector<Expr *, 8> RHSs; | ||||||||
16563 | /// Reduction operation expression. | ||||||||
16564 | SmallVector<Expr *, 8> ReductionOps; | ||||||||
16565 | /// inscan copy operation expressions. | ||||||||
16566 | SmallVector<Expr *, 8> InscanCopyOps; | ||||||||
16567 | /// inscan copy temp array expressions for prefix sums. | ||||||||
16568 | SmallVector<Expr *, 8> InscanCopyArrayTemps; | ||||||||
16569 | /// inscan copy temp array element expressions for prefix sums. | ||||||||
16570 | SmallVector<Expr *, 8> InscanCopyArrayElems; | ||||||||
16571 | /// Taskgroup descriptors for the corresponding reduction items in | ||||||||
16572 | /// in_reduction clauses. | ||||||||
16573 | SmallVector<Expr *, 8> TaskgroupDescriptors; | ||||||||
16574 | /// List of captures for clause. | ||||||||
16575 | SmallVector<Decl *, 4> ExprCaptures; | ||||||||
16576 | /// List of postupdate expressions. | ||||||||
16577 | SmallVector<Expr *, 4> ExprPostUpdates; | ||||||||
16578 | /// Reduction modifier. | ||||||||
16579 | unsigned RedModifier = 0; | ||||||||
16580 | ReductionData() = delete; | ||||||||
16581 | /// Reserves required memory for the reduction data. | ||||||||
16582 | ReductionData(unsigned Size, unsigned Modifier = 0) : RedModifier(Modifier) { | ||||||||
16583 | Vars.reserve(Size); | ||||||||
16584 | Privates.reserve(Size); | ||||||||
16585 | LHSs.reserve(Size); | ||||||||
16586 | RHSs.reserve(Size); | ||||||||
16587 | ReductionOps.reserve(Size); | ||||||||
16588 | if (RedModifier == OMPC_REDUCTION_inscan) { | ||||||||
16589 | InscanCopyOps.reserve(Size); | ||||||||
16590 | InscanCopyArrayTemps.reserve(Size); | ||||||||
16591 | InscanCopyArrayElems.reserve(Size); | ||||||||
16592 | } | ||||||||
16593 | TaskgroupDescriptors.reserve(Size); | ||||||||
16594 | ExprCaptures.reserve(Size); | ||||||||
16595 | ExprPostUpdates.reserve(Size); | ||||||||
16596 | } | ||||||||
16597 | /// Stores reduction item and reduction operation only (required for dependent | ||||||||
16598 | /// reduction item). | ||||||||
16599 | void push(Expr *Item, Expr *ReductionOp) { | ||||||||
16600 | Vars.emplace_back(Item); | ||||||||
16601 | Privates.emplace_back(nullptr); | ||||||||
16602 | LHSs.emplace_back(nullptr); | ||||||||
16603 | RHSs.emplace_back(nullptr); | ||||||||
16604 | ReductionOps.emplace_back(ReductionOp); | ||||||||
16605 | TaskgroupDescriptors.emplace_back(nullptr); | ||||||||
16606 | if (RedModifier == OMPC_REDUCTION_inscan) { | ||||||||
16607 | InscanCopyOps.push_back(nullptr); | ||||||||
16608 | InscanCopyArrayTemps.push_back(nullptr); | ||||||||
16609 | InscanCopyArrayElems.push_back(nullptr); | ||||||||
16610 | } | ||||||||
16611 | } | ||||||||
16612 | /// Stores reduction data. | ||||||||
16613 | void push(Expr *Item, Expr *Private, Expr *LHS, Expr *RHS, Expr *ReductionOp, | ||||||||
16614 | Expr *TaskgroupDescriptor, Expr *CopyOp, Expr *CopyArrayTemp, | ||||||||
16615 | Expr *CopyArrayElem) { | ||||||||
16616 | Vars.emplace_back(Item); | ||||||||
16617 | Privates.emplace_back(Private); | ||||||||
16618 | LHSs.emplace_back(LHS); | ||||||||
16619 | RHSs.emplace_back(RHS); | ||||||||
16620 | ReductionOps.emplace_back(ReductionOp); | ||||||||
16621 | TaskgroupDescriptors.emplace_back(TaskgroupDescriptor); | ||||||||
16622 | if (RedModifier == OMPC_REDUCTION_inscan) { | ||||||||
16623 | InscanCopyOps.push_back(CopyOp); | ||||||||
16624 | InscanCopyArrayTemps.push_back(CopyArrayTemp); | ||||||||
16625 | InscanCopyArrayElems.push_back(CopyArrayElem); | ||||||||
16626 | } else { | ||||||||
16627 | assert(CopyOp == nullptr && CopyArrayTemp == nullptr &&((void)0) | ||||||||
16628 | CopyArrayElem == nullptr &&((void)0) | ||||||||
16629 | "Copy operation must be used for inscan reductions only.")((void)0); | ||||||||
16630 | } | ||||||||
16631 | } | ||||||||
16632 | }; | ||||||||
16633 | } // namespace | ||||||||
16634 | |||||||||
16635 | static bool checkOMPArraySectionConstantForReduction( | ||||||||
16636 | ASTContext &Context, const OMPArraySectionExpr *OASE, bool &SingleElement, | ||||||||
16637 | SmallVectorImpl<llvm::APSInt> &ArraySizes) { | ||||||||
16638 | const Expr *Length = OASE->getLength(); | ||||||||
16639 | if (Length == nullptr) { | ||||||||
16640 | // For array sections of the form [1:] or [:], we would need to analyze | ||||||||
16641 | // the lower bound... | ||||||||
16642 | if (OASE->getColonLocFirst().isValid()) | ||||||||
16643 | return false; | ||||||||
16644 | |||||||||
16645 | // This is an array subscript which has implicit length 1! | ||||||||
16646 | SingleElement = true; | ||||||||
16647 | ArraySizes.push_back(llvm::APSInt::get(1)); | ||||||||
16648 | } else { | ||||||||
16649 | Expr::EvalResult Result; | ||||||||
16650 | if (!Length->EvaluateAsInt(Result, Context)) | ||||||||
16651 | return false; | ||||||||
16652 | |||||||||
16653 | llvm::APSInt ConstantLengthValue = Result.Val.getInt(); | ||||||||
16654 | SingleElement = (ConstantLengthValue.getSExtValue() == 1); | ||||||||
16655 | ArraySizes.push_back(ConstantLengthValue); | ||||||||
16656 | } | ||||||||
16657 | |||||||||
16658 | // Get the base of this array section and walk up from there. | ||||||||
16659 | const Expr *Base = OASE->getBase()->IgnoreParenImpCasts(); | ||||||||
16660 | |||||||||
16661 | // We require length = 1 for all array sections except the right-most to | ||||||||
16662 | // guarantee that the memory region is contiguous and has no holes in it. | ||||||||
16663 | while (const auto *TempOASE = dyn_cast<OMPArraySectionExpr>(Base)) { | ||||||||
16664 | Length = TempOASE->getLength(); | ||||||||
16665 | if (Length == nullptr) { | ||||||||
16666 | // For array sections of the form [1:] or [:], we would need to analyze | ||||||||
16667 | // the lower bound... | ||||||||
16668 | if (OASE->getColonLocFirst().isValid()) | ||||||||
16669 | return false; | ||||||||
16670 | |||||||||
16671 | // This is an array subscript which has implicit length 1! | ||||||||
16672 | ArraySizes.push_back(llvm::APSInt::get(1)); | ||||||||
16673 | } else { | ||||||||
16674 | Expr::EvalResult Result; | ||||||||
16675 | if (!Length->EvaluateAsInt(Result, Context)) | ||||||||
16676 | return false; | ||||||||
16677 | |||||||||
16678 | llvm::APSInt ConstantLengthValue = Result.Val.getInt(); | ||||||||
16679 | if (ConstantLengthValue.getSExtValue() != 1) | ||||||||
16680 | return false; | ||||||||
16681 | |||||||||
16682 | ArraySizes.push_back(ConstantLengthValue); | ||||||||
16683 | } | ||||||||
16684 | Base = TempOASE->getBase()->IgnoreParenImpCasts(); | ||||||||
16685 | } | ||||||||
16686 | |||||||||
16687 | // If we have a single element, we don't need to add the implicit lengths. | ||||||||
16688 | if (!SingleElement) { | ||||||||
16689 | while (const auto *TempASE = dyn_cast<ArraySubscriptExpr>(Base)) { | ||||||||
16690 | // Has implicit length 1! | ||||||||
16691 | ArraySizes.push_back(llvm::APSInt::get(1)); | ||||||||
16692 | Base = TempASE->getBase()->IgnoreParenImpCasts(); | ||||||||
16693 | } | ||||||||
16694 | } | ||||||||
16695 | |||||||||
16696 | // This array section can be privatized as a single value or as a constant | ||||||||
16697 | // sized array. | ||||||||
16698 | return true; | ||||||||
16699 | } | ||||||||
16700 | |||||||||
16701 | static BinaryOperatorKind | ||||||||
16702 | getRelatedCompoundReductionOp(BinaryOperatorKind BOK) { | ||||||||
16703 | if (BOK == BO_Add) | ||||||||
16704 | return BO_AddAssign; | ||||||||
16705 | if (BOK == BO_Mul) | ||||||||
16706 | return BO_MulAssign; | ||||||||
16707 | if (BOK == BO_And) | ||||||||
16708 | return BO_AndAssign; | ||||||||
16709 | if (BOK == BO_Or) | ||||||||
16710 | return BO_OrAssign; | ||||||||
16711 | if (BOK == BO_Xor) | ||||||||
16712 | return BO_XorAssign; | ||||||||
16713 | return BOK; | ||||||||
16714 | } | ||||||||
16715 | |||||||||
16716 | static bool actOnOMPReductionKindClause( | ||||||||
16717 | Sema &S, DSAStackTy *Stack, OpenMPClauseKind ClauseKind, | ||||||||
16718 | ArrayRef<Expr *> VarList, SourceLocation StartLoc, SourceLocation LParenLoc, | ||||||||
16719 | SourceLocation ColonLoc, SourceLocation EndLoc, | ||||||||
16720 | CXXScopeSpec &ReductionIdScopeSpec, const DeclarationNameInfo &ReductionId, | ||||||||
16721 | ArrayRef<Expr *> UnresolvedReductions, ReductionData &RD) { | ||||||||
16722 | DeclarationName DN = ReductionId.getName(); | ||||||||
16723 | OverloadedOperatorKind OOK = DN.getCXXOverloadedOperator(); | ||||||||
16724 | BinaryOperatorKind BOK = BO_Comma; | ||||||||
16725 | |||||||||
16726 | ASTContext &Context = S.Context; | ||||||||
16727 | // OpenMP [2.14.3.6, reduction clause] | ||||||||
16728 | // C | ||||||||
16729 | // reduction-identifier is either an identifier or one of the following | ||||||||
16730 | // operators: +, -, *, &, |, ^, && and || | ||||||||
16731 | // C++ | ||||||||
16732 | // reduction-identifier is either an id-expression or one of the following | ||||||||
16733 | // operators: +, -, *, &, |, ^, && and || | ||||||||
16734 | switch (OOK) { | ||||||||
| |||||||||
16735 | case OO_Plus: | ||||||||
16736 | case OO_Minus: | ||||||||
16737 | BOK = BO_Add; | ||||||||
16738 | break; | ||||||||
16739 | case OO_Star: | ||||||||
16740 | BOK = BO_Mul; | ||||||||
16741 | break; | ||||||||
16742 | case OO_Amp: | ||||||||
16743 | BOK = BO_And; | ||||||||
16744 | break; | ||||||||
16745 | case OO_Pipe: | ||||||||
16746 | BOK = BO_Or; | ||||||||
16747 | break; | ||||||||
16748 | case OO_Caret: | ||||||||
16749 | BOK = BO_Xor; | ||||||||
16750 | break; | ||||||||
16751 | case OO_AmpAmp: | ||||||||
16752 | BOK = BO_LAnd; | ||||||||
16753 | break; | ||||||||
16754 | case OO_PipePipe: | ||||||||
16755 | BOK = BO_LOr; | ||||||||
16756 | break; | ||||||||
16757 | case OO_New: | ||||||||
16758 | case OO_Delete: | ||||||||
16759 | case OO_Array_New: | ||||||||
16760 | case OO_Array_Delete: | ||||||||
16761 | case OO_Slash: | ||||||||
16762 | case OO_Percent: | ||||||||
16763 | case OO_Tilde: | ||||||||
16764 | case OO_Exclaim: | ||||||||
16765 | case OO_Equal: | ||||||||
16766 | case OO_Less: | ||||||||
16767 | case OO_Greater: | ||||||||
16768 | case OO_LessEqual: | ||||||||
16769 | case OO_GreaterEqual: | ||||||||
16770 | case OO_PlusEqual: | ||||||||
16771 | case OO_MinusEqual: | ||||||||
16772 | case OO_StarEqual: | ||||||||
16773 | case OO_SlashEqual: | ||||||||
16774 | case OO_PercentEqual: | ||||||||
16775 | case OO_CaretEqual: | ||||||||
16776 | case OO_AmpEqual: | ||||||||
16777 | case OO_PipeEqual: | ||||||||
16778 | case OO_LessLess: | ||||||||
16779 | case OO_GreaterGreater: | ||||||||
16780 | case OO_LessLessEqual: | ||||||||
16781 | case OO_GreaterGreaterEqual: | ||||||||
16782 | case OO_EqualEqual: | ||||||||
16783 | case OO_ExclaimEqual: | ||||||||
16784 | case OO_Spaceship: | ||||||||
16785 | case OO_PlusPlus: | ||||||||
16786 | case OO_MinusMinus: | ||||||||
16787 | case OO_Comma: | ||||||||
16788 | case OO_ArrowStar: | ||||||||
16789 | case OO_Arrow: | ||||||||
16790 | case OO_Call: | ||||||||
16791 | case OO_Subscript: | ||||||||
16792 | case OO_Conditional: | ||||||||
16793 | case OO_Coawait: | ||||||||
16794 | case NUM_OVERLOADED_OPERATORS: | ||||||||
16795 | llvm_unreachable("Unexpected reduction identifier")__builtin_unreachable(); | ||||||||
16796 | case OO_None: | ||||||||
16797 | if (IdentifierInfo *II
| ||||||||
16798 | if (II->isStr("max")) | ||||||||
16799 | BOK = BO_GT; | ||||||||
16800 | else if (II->isStr("min")) | ||||||||
16801 | BOK = BO_LT; | ||||||||
16802 | } | ||||||||
16803 | break; | ||||||||
16804 | } | ||||||||
16805 | SourceRange ReductionIdRange; | ||||||||
16806 | if (ReductionIdScopeSpec.isValid()) | ||||||||
16807 | ReductionIdRange.setBegin(ReductionIdScopeSpec.getBeginLoc()); | ||||||||
16808 | else | ||||||||
16809 | ReductionIdRange.setBegin(ReductionId.getBeginLoc()); | ||||||||
16810 | ReductionIdRange.setEnd(ReductionId.getEndLoc()); | ||||||||
16811 | |||||||||
16812 | auto IR = UnresolvedReductions.begin(), ER = UnresolvedReductions.end(); | ||||||||
16813 | bool FirstIter = true; | ||||||||
16814 | for (Expr *RefExpr : VarList) { | ||||||||
16815 | assert(RefExpr && "nullptr expr in OpenMP reduction clause.")((void)0); | ||||||||
16816 | // OpenMP [2.1, C/C++] | ||||||||
16817 | // A list item is a variable or array section, subject to the restrictions | ||||||||
16818 | // specified in Section 2.4 on page 42 and in each of the sections | ||||||||
16819 | // describing clauses and directives for which a list appears. | ||||||||
16820 | // OpenMP [2.14.3.3, Restrictions, p.1] | ||||||||
16821 | // A variable that is part of another variable (as an array or | ||||||||
16822 | // structure element) cannot appear in a private clause. | ||||||||
16823 | if (!FirstIter
| ||||||||
16824 | ++IR; | ||||||||
16825 | FirstIter = false; | ||||||||
16826 | SourceLocation ELoc; | ||||||||
16827 | SourceRange ERange; | ||||||||
16828 | Expr *SimpleRefExpr = RefExpr; | ||||||||
16829 | auto Res = getPrivateItem(S, SimpleRefExpr, ELoc, ERange, | ||||||||
16830 | /*AllowArraySection=*/true); | ||||||||
16831 | if (Res.second) { | ||||||||
16832 | // Try to find 'declare reduction' corresponding construct before using | ||||||||
16833 | // builtin/overloaded operators. | ||||||||
16834 | QualType Type = Context.DependentTy; | ||||||||
16835 | CXXCastPath BasePath; | ||||||||
16836 | ExprResult DeclareReductionRef = buildDeclareReductionRef( | ||||||||
16837 | S, ELoc, ERange, Stack->getCurScope(), ReductionIdScopeSpec, | ||||||||
16838 | ReductionId, Type, BasePath, IR == ER ? nullptr : *IR); | ||||||||
16839 | Expr *ReductionOp = nullptr; | ||||||||
16840 | if (S.CurContext->isDependentContext() && | ||||||||
16841 | (DeclareReductionRef.isUnset() || | ||||||||
16842 | isa<UnresolvedLookupExpr>(DeclareReductionRef.get()))) | ||||||||
16843 | ReductionOp = DeclareReductionRef.get(); | ||||||||
16844 | // It will be analyzed later. | ||||||||
16845 | RD.push(RefExpr, ReductionOp); | ||||||||
16846 | } | ||||||||
16847 | ValueDecl *D = Res.first; | ||||||||
16848 | if (!D) | ||||||||
16849 | continue; | ||||||||
16850 | |||||||||
16851 | Expr *TaskgroupDescriptor = nullptr; | ||||||||
16852 | QualType Type; | ||||||||
16853 | auto *ASE = dyn_cast<ArraySubscriptExpr>(RefExpr->IgnoreParens()); | ||||||||
16854 | auto *OASE = dyn_cast<OMPArraySectionExpr>(RefExpr->IgnoreParens()); | ||||||||
16855 | if (ASE
| ||||||||
16856 | Type = ASE->getType().getNonReferenceType(); | ||||||||
16857 | } else if (OASE
| ||||||||
16858 | QualType BaseType = | ||||||||
16859 | OMPArraySectionExpr::getBaseOriginalType(OASE->getBase()); | ||||||||
16860 | if (const auto *ATy = BaseType->getAsArrayTypeUnsafe()) | ||||||||
16861 | Type = ATy->getElementType(); | ||||||||
16862 | else | ||||||||
16863 | Type = BaseType->getPointeeType(); | ||||||||
16864 | Type = Type.getNonReferenceType(); | ||||||||
16865 | } else { | ||||||||
16866 | Type = Context.getBaseElementType(D->getType().getNonReferenceType()); | ||||||||
16867 | } | ||||||||
16868 | auto *VD = dyn_cast<VarDecl>(D); | ||||||||
16869 | |||||||||
16870 | // OpenMP [2.9.3.3, Restrictions, C/C++, p.3] | ||||||||
16871 | // A variable that appears in a private clause must not have an incomplete | ||||||||
16872 | // type or a reference type. | ||||||||
16873 | if (S.RequireCompleteType(ELoc, D->getType(), | ||||||||
16874 | diag::err_omp_reduction_incomplete_type)) | ||||||||
16875 | continue; | ||||||||
16876 | // OpenMP [2.14.3.6, reduction clause, Restrictions] | ||||||||
16877 | // A list item that appears in a reduction clause must not be | ||||||||
16878 | // const-qualified. | ||||||||
16879 | if (rejectConstNotMutableType(S, D, Type, ClauseKind, ELoc, | ||||||||
16880 | /*AcceptIfMutable*/ false, ASE
| ||||||||
16881 | continue; | ||||||||
16882 | |||||||||
16883 | OpenMPDirectiveKind CurrDir = Stack->getCurrentDirective(); | ||||||||
16884 | // OpenMP [2.9.3.6, Restrictions, C/C++, p.4] | ||||||||
16885 | // If a list-item is a reference type then it must bind to the same object | ||||||||
16886 | // for all threads of the team. | ||||||||
16887 | if (!ASE
| ||||||||
16888 | if (VD
| ||||||||
16889 | VarDecl *VDDef = VD->getDefinition(); | ||||||||
16890 | if (VD->getType()->isReferenceType() && VDDef && VDDef->hasInit()) { | ||||||||
16891 | DSARefChecker Check(Stack); | ||||||||
16892 | if (Check.Visit(VDDef->getInit())) { | ||||||||
16893 | S.Diag(ELoc, diag::err_omp_reduction_ref_type_arg) | ||||||||
16894 | << getOpenMPClauseName(ClauseKind) << ERange; | ||||||||
16895 | S.Diag(VDDef->getLocation(), diag::note_defined_here) << VDDef; | ||||||||
16896 | continue; | ||||||||
16897 | } | ||||||||
16898 | } | ||||||||
16899 | } | ||||||||
16900 | |||||||||
16901 | // OpenMP [2.14.1.1, Data-sharing Attribute Rules for Variables Referenced | ||||||||
16902 | // in a Construct] | ||||||||
16903 | // Variables with the predetermined data-sharing attributes may not be | ||||||||
16904 | // listed in data-sharing attributes clauses, except for the cases | ||||||||
16905 | // listed below. For these exceptions only, listing a predetermined | ||||||||
16906 | // variable in a data-sharing attribute clause is allowed and overrides | ||||||||
16907 | // the variable's predetermined data-sharing attributes. | ||||||||
16908 | // OpenMP [2.14.3.6, Restrictions, p.3] | ||||||||
16909 | // Any number of reduction clauses can be specified on the directive, | ||||||||
16910 | // but a list item can appear only once in the reduction clauses for that | ||||||||
16911 | // directive. | ||||||||
16912 | DSAStackTy::DSAVarData DVar = Stack->getTopDSA(D, /*FromParent=*/false); | ||||||||
16913 | if (DVar.CKind == OMPC_reduction) { | ||||||||
16914 | S.Diag(ELoc, diag::err_omp_once_referenced) | ||||||||
16915 | << getOpenMPClauseName(ClauseKind); | ||||||||
16916 | if (DVar.RefExpr) | ||||||||
16917 | S.Diag(DVar.RefExpr->getExprLoc(), diag::note_omp_referenced); | ||||||||
16918 | continue; | ||||||||
16919 | } | ||||||||
16920 | if (DVar.CKind != OMPC_unknown) { | ||||||||
16921 | S.Diag(ELoc, diag::err_omp_wrong_dsa) | ||||||||
16922 | << getOpenMPClauseName(DVar.CKind) | ||||||||
16923 | << getOpenMPClauseName(OMPC_reduction); | ||||||||
16924 | reportOriginalDsa(S, Stack, D, DVar); | ||||||||
16925 | continue; | ||||||||
16926 | } | ||||||||
16927 | |||||||||
16928 | // OpenMP [2.14.3.6, Restrictions, p.1] | ||||||||
16929 | // A list item that appears in a reduction clause of a worksharing | ||||||||
16930 | // construct must be shared in the parallel regions to which any of the | ||||||||
16931 | // worksharing regions arising from the worksharing construct bind. | ||||||||
16932 | if (isOpenMPWorksharingDirective(CurrDir) && | ||||||||
16933 | !isOpenMPParallelDirective(CurrDir) && | ||||||||
16934 | !isOpenMPTeamsDirective(CurrDir)) { | ||||||||
16935 | DVar = Stack->getImplicitDSA(D, true); | ||||||||
16936 | if (DVar.CKind != OMPC_shared) { | ||||||||
16937 | S.Diag(ELoc, diag::err_omp_required_access) | ||||||||
16938 | << getOpenMPClauseName(OMPC_reduction) | ||||||||
16939 | << getOpenMPClauseName(OMPC_shared); | ||||||||
16940 | reportOriginalDsa(S, Stack, D, DVar); | ||||||||
16941 | continue; | ||||||||
16942 | } | ||||||||
16943 | } | ||||||||
16944 | } else { | ||||||||
16945 | // Threadprivates cannot be shared between threads, so dignose if the base | ||||||||
16946 | // is a threadprivate variable. | ||||||||
16947 | DSAStackTy::DSAVarData DVar = Stack->getTopDSA(D, /*FromParent=*/false); | ||||||||
16948 | if (DVar.CKind == OMPC_threadprivate) { | ||||||||
16949 | S.Diag(ELoc, diag::err_omp_wrong_dsa) | ||||||||
16950 | << getOpenMPClauseName(DVar.CKind) | ||||||||
16951 | << getOpenMPClauseName(OMPC_reduction); | ||||||||
16952 | reportOriginalDsa(S, Stack, D, DVar); | ||||||||
16953 | continue; | ||||||||
16954 | } | ||||||||
16955 | } | ||||||||
16956 | |||||||||
16957 | // Try to find 'declare reduction' corresponding construct before using | ||||||||
16958 | // builtin/overloaded operators. | ||||||||
16959 | CXXCastPath BasePath; | ||||||||
16960 | ExprResult DeclareReductionRef = buildDeclareReductionRef( | ||||||||
16961 | S, ELoc, ERange, Stack->getCurScope(), ReductionIdScopeSpec, | ||||||||
16962 | ReductionId, Type, BasePath, IR == ER ? nullptr : *IR); | ||||||||
16963 | if (DeclareReductionRef.isInvalid()) | ||||||||
16964 | continue; | ||||||||
16965 | if (S.CurContext->isDependentContext() && | ||||||||
16966 | (DeclareReductionRef.isUnset() || | ||||||||
16967 | isa<UnresolvedLookupExpr>(DeclareReductionRef.get()))) { | ||||||||
16968 | RD.push(RefExpr, DeclareReductionRef.get()); | ||||||||
16969 | continue; | ||||||||
16970 | } | ||||||||
16971 | if (BOK
| ||||||||
16972 | // Not allowed reduction identifier is found. | ||||||||
16973 | S.Diag(ReductionId.getBeginLoc(), | ||||||||
16974 | diag::err_omp_unknown_reduction_identifier) | ||||||||
16975 | << Type << ReductionIdRange; | ||||||||
16976 | continue; | ||||||||
16977 | } | ||||||||
16978 | |||||||||
16979 | // OpenMP [2.14.3.6, reduction clause, Restrictions] | ||||||||
16980 | // The type of a list item that appears in a reduction clause must be valid | ||||||||
16981 | // for the reduction-identifier. For a max or min reduction in C, the type | ||||||||
16982 | // of the list item must be an allowed arithmetic data type: char, int, | ||||||||
16983 | // float, double, or _Bool, possibly modified with long, short, signed, or | ||||||||
16984 | // unsigned. For a max or min reduction in C++, the type of the list item | ||||||||
16985 | // must be an allowed arithmetic data type: char, wchar_t, int, float, | ||||||||
16986 | // double, or bool, possibly modified with long, short, signed, or unsigned. | ||||||||
16987 | if (DeclareReductionRef.isUnset()) { | ||||||||
16988 | if ((BOK == BO_GT || BOK == BO_LT) && | ||||||||
16989 | !(Type->isScalarType() || | ||||||||
16990 | (S.getLangOpts().CPlusPlus && Type->isArithmeticType()))) { | ||||||||
16991 | S.Diag(ELoc, diag::err_omp_clause_not_arithmetic_type_arg) | ||||||||
16992 | << getOpenMPClauseName(ClauseKind) << S.getLangOpts().CPlusPlus; | ||||||||
16993 | if (!ASE && !OASE) { | ||||||||
16994 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == | ||||||||
16995 | VarDecl::DeclarationOnly; | ||||||||
16996 | S.Diag(D->getLocation(), | ||||||||
16997 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||||||
16998 | << D; | ||||||||
16999 | } | ||||||||
17000 | continue; | ||||||||
17001 | } | ||||||||
17002 | if ((BOK == BO_OrAssign || BOK == BO_AndAssign || BOK == BO_XorAssign) && | ||||||||
17003 | !S.getLangOpts().CPlusPlus && Type->isFloatingType()) { | ||||||||
17004 | S.Diag(ELoc, diag::err_omp_clause_floating_type_arg) | ||||||||
17005 | << getOpenMPClauseName(ClauseKind); | ||||||||
17006 | if (!ASE && !OASE) { | ||||||||
17007 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == | ||||||||
17008 | VarDecl::DeclarationOnly; | ||||||||
17009 | S.Diag(D->getLocation(), | ||||||||
17010 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||||||
17011 | << D; | ||||||||
17012 | } | ||||||||
17013 | continue; | ||||||||
17014 | } | ||||||||
17015 | } | ||||||||
17016 | |||||||||
17017 | Type = Type.getNonLValueExprType(Context).getUnqualifiedType(); | ||||||||
17018 | VarDecl *LHSVD = buildVarDecl(S, ELoc, Type, ".reduction.lhs", | ||||||||
17019 | D->hasAttrs() ? &D->getAttrs() : nullptr); | ||||||||
17020 | VarDecl *RHSVD = buildVarDecl(S, ELoc, Type, D->getName(), | ||||||||
17021 | D->hasAttrs() ? &D->getAttrs() : nullptr); | ||||||||
17022 | QualType PrivateTy = Type; | ||||||||
17023 | |||||||||
17024 | // Try if we can determine constant lengths for all array sections and avoid | ||||||||
17025 | // the VLA. | ||||||||
17026 | bool ConstantLengthOASE = false; | ||||||||
17027 | if (OASE
| ||||||||
17028 | bool SingleElement; | ||||||||
17029 | llvm::SmallVector<llvm::APSInt, 4> ArraySizes; | ||||||||
17030 | ConstantLengthOASE = checkOMPArraySectionConstantForReduction( | ||||||||
17031 | Context, OASE, SingleElement, ArraySizes); | ||||||||
17032 | |||||||||
17033 | // If we don't have a single element, we must emit a constant array type. | ||||||||
17034 | if (ConstantLengthOASE && !SingleElement) { | ||||||||
17035 | for (llvm::APSInt &Size : ArraySizes) | ||||||||
17036 | PrivateTy = Context.getConstantArrayType(PrivateTy, Size, nullptr, | ||||||||
17037 | ArrayType::Normal, | ||||||||
17038 | /*IndexTypeQuals=*/0); | ||||||||
17039 | } | ||||||||
17040 | } | ||||||||
17041 | |||||||||
17042 | if ((OASE
| ||||||||
17043 | (!OASE
| ||||||||
17044 | D->getType().getNonReferenceType()->isVariablyModifiedType())) { | ||||||||
17045 | if (!Context.getTargetInfo().isVLASupported()) { | ||||||||
17046 | if (isOpenMPTargetExecutionDirective(Stack->getCurrentDirective())) { | ||||||||
17047 | S.Diag(ELoc, diag::err_omp_reduction_vla_unsupported) << !!OASE; | ||||||||
17048 | S.Diag(ELoc, diag::note_vla_unsupported); | ||||||||
17049 | continue; | ||||||||
17050 | } else { | ||||||||
17051 | S.targetDiag(ELoc, diag::err_omp_reduction_vla_unsupported) << !!OASE; | ||||||||
17052 | S.targetDiag(ELoc, diag::note_vla_unsupported); | ||||||||
17053 | } | ||||||||
17054 | } | ||||||||
17055 | // For arrays/array sections only: | ||||||||
17056 | // Create pseudo array type for private copy. The size for this array will | ||||||||
17057 | // be generated during codegen. | ||||||||
17058 | // For array subscripts or single variables Private Ty is the same as Type | ||||||||
17059 | // (type of the variable or single array element). | ||||||||
17060 | PrivateTy = Context.getVariableArrayType( | ||||||||
17061 | Type, | ||||||||
17062 | new (Context) | ||||||||
17063 | OpaqueValueExpr(ELoc, Context.getSizeType(), VK_PRValue), | ||||||||
17064 | ArrayType::Normal, /*IndexTypeQuals=*/0, SourceRange()); | ||||||||
17065 | } else if (!ASE
| ||||||||
17066 | Context.getAsArrayType(D->getType().getNonReferenceType())) { | ||||||||
17067 | PrivateTy = D->getType().getNonReferenceType(); | ||||||||
17068 | } | ||||||||
17069 | // Private copy. | ||||||||
17070 | VarDecl *PrivateVD = | ||||||||
17071 | buildVarDecl(S, ELoc, PrivateTy, D->getName(), | ||||||||
17072 | D->hasAttrs() ? &D->getAttrs() : nullptr, | ||||||||
17073 | VD
| ||||||||
17074 | // Add initializer for private variable. | ||||||||
17075 | Expr *Init = nullptr; | ||||||||
17076 | DeclRefExpr *LHSDRE = buildDeclRefExpr(S, LHSVD, Type, ELoc); | ||||||||
17077 | DeclRefExpr *RHSDRE = buildDeclRefExpr(S, RHSVD, Type, ELoc); | ||||||||
17078 | if (DeclareReductionRef.isUsable()) { | ||||||||
17079 | auto *DRDRef = DeclareReductionRef.getAs<DeclRefExpr>(); | ||||||||
17080 | auto *DRD = cast<OMPDeclareReductionDecl>(DRDRef->getDecl()); | ||||||||
17081 | if (DRD->getInitializer()) { | ||||||||
17082 | Init = DRDRef; | ||||||||
17083 | RHSVD->setInit(DRDRef); | ||||||||
17084 | RHSVD->setInitStyle(VarDecl::CallInit); | ||||||||
17085 | } | ||||||||
17086 | } else { | ||||||||
17087 | switch (BOK) { | ||||||||
17088 | case BO_Add: | ||||||||
17089 | case BO_Xor: | ||||||||
17090 | case BO_Or: | ||||||||
17091 | case BO_LOr: | ||||||||
17092 | // '+', '-', '^', '|', '||' reduction ops - initializer is '0'. | ||||||||
17093 | if (Type->isScalarType() || Type->isAnyComplexType()) | ||||||||
17094 | Init = S.ActOnIntegerConstant(ELoc, /*Val=*/0).get(); | ||||||||
17095 | break; | ||||||||
17096 | case BO_Mul: | ||||||||
17097 | case BO_LAnd: | ||||||||
17098 | if (Type->isScalarType() || Type->isAnyComplexType()) { | ||||||||
17099 | // '*' and '&&' reduction ops - initializer is '1'. | ||||||||
17100 | Init = S.ActOnIntegerConstant(ELoc, /*Val=*/1).get(); | ||||||||
17101 | } | ||||||||
17102 | break; | ||||||||
17103 | case BO_And: { | ||||||||
17104 | // '&' reduction op - initializer is '~0'. | ||||||||
17105 | QualType OrigType = Type; | ||||||||
17106 | if (auto *ComplexTy = OrigType->getAs<ComplexType>()) | ||||||||
17107 | Type = ComplexTy->getElementType(); | ||||||||
17108 | if (Type->isRealFloatingType()) { | ||||||||
17109 | llvm::APFloat InitValue = llvm::APFloat::getAllOnesValue( | ||||||||
17110 | Context.getFloatTypeSemantics(Type), | ||||||||
17111 | Context.getTypeSize(Type)); | ||||||||
17112 | Init = FloatingLiteral::Create(Context, InitValue, /*isexact=*/true, | ||||||||
17113 | Type, ELoc); | ||||||||
17114 | } else if (Type->isScalarType()) { | ||||||||
17115 | uint64_t Size = Context.getTypeSize(Type); | ||||||||
17116 | QualType IntTy = Context.getIntTypeForBitwidth(Size, /*Signed=*/0); | ||||||||
17117 | llvm::APInt InitValue = llvm::APInt::getAllOnesValue(Size); | ||||||||
17118 | Init = IntegerLiteral::Create(Context, InitValue, IntTy, ELoc); | ||||||||
17119 | } | ||||||||
17120 | if (Init && OrigType->isAnyComplexType()) { | ||||||||
17121 | // Init = 0xFFFF + 0xFFFFi; | ||||||||
17122 | auto *Im = new (Context) ImaginaryLiteral(Init, OrigType); | ||||||||
17123 | Init = S.CreateBuiltinBinOp(ELoc, BO_Add, Init, Im).get(); | ||||||||
17124 | } | ||||||||
17125 | Type = OrigType; | ||||||||
17126 | break; | ||||||||
17127 | } | ||||||||
17128 | case BO_LT: | ||||||||
17129 | case BO_GT: { | ||||||||
17130 | // 'min' reduction op - initializer is 'Largest representable number in | ||||||||
17131 | // the reduction list item type'. | ||||||||
17132 | // 'max' reduction op - initializer is 'Least representable number in | ||||||||
17133 | // the reduction list item type'. | ||||||||
17134 | if (Type->isIntegerType() || Type->isPointerType()) { | ||||||||
17135 | bool IsSigned = Type->hasSignedIntegerRepresentation(); | ||||||||
17136 | uint64_t Size = Context.getTypeSize(Type); | ||||||||
17137 | QualType IntTy = | ||||||||
17138 | Context.getIntTypeForBitwidth(Size, /*Signed=*/IsSigned); | ||||||||
17139 | llvm::APInt InitValue = | ||||||||
17140 | (BOK != BO_LT) ? IsSigned ? llvm::APInt::getSignedMinValue(Size) | ||||||||
17141 | : llvm::APInt::getMinValue(Size) | ||||||||
17142 | : IsSigned ? llvm::APInt::getSignedMaxValue(Size) | ||||||||
17143 | : llvm::APInt::getMaxValue(Size); | ||||||||
17144 | Init = IntegerLiteral::Create(Context, InitValue, IntTy, ELoc); | ||||||||
17145 | if (Type->isPointerType()) { | ||||||||
17146 | // Cast to pointer type. | ||||||||
17147 | ExprResult CastExpr = S.BuildCStyleCastExpr( | ||||||||
17148 | ELoc, Context.getTrivialTypeSourceInfo(Type, ELoc), ELoc, Init); | ||||||||
17149 | if (CastExpr.isInvalid()) | ||||||||
17150 | continue; | ||||||||
17151 | Init = CastExpr.get(); | ||||||||
17152 | } | ||||||||
17153 | } else if (Type->isRealFloatingType()) { | ||||||||
17154 | llvm::APFloat InitValue = llvm::APFloat::getLargest( | ||||||||
17155 | Context.getFloatTypeSemantics(Type), BOK != BO_LT); | ||||||||
17156 | Init = FloatingLiteral::Create(Context, InitValue, /*isexact=*/true, | ||||||||
17157 | Type, ELoc); | ||||||||
17158 | } | ||||||||
17159 | break; | ||||||||
17160 | } | ||||||||
17161 | case BO_PtrMemD: | ||||||||
17162 | case BO_PtrMemI: | ||||||||
17163 | case BO_MulAssign: | ||||||||
17164 | case BO_Div: | ||||||||
17165 | case BO_Rem: | ||||||||
17166 | case BO_Sub: | ||||||||
17167 | case BO_Shl: | ||||||||
17168 | case BO_Shr: | ||||||||
17169 | case BO_LE: | ||||||||
17170 | case BO_GE: | ||||||||
17171 | case BO_EQ: | ||||||||
17172 | case BO_NE: | ||||||||
17173 | case BO_Cmp: | ||||||||
17174 | case BO_AndAssign: | ||||||||
17175 | case BO_XorAssign: | ||||||||
17176 | case BO_OrAssign: | ||||||||
17177 | case BO_Assign: | ||||||||
17178 | case BO_AddAssign: | ||||||||
17179 | case BO_SubAssign: | ||||||||
17180 | case BO_DivAssign: | ||||||||
17181 | case BO_RemAssign: | ||||||||
17182 | case BO_ShlAssign: | ||||||||
17183 | case BO_ShrAssign: | ||||||||
17184 | case BO_Comma: | ||||||||
17185 | llvm_unreachable("Unexpected reduction operation")__builtin_unreachable(); | ||||||||
17186 | } | ||||||||
17187 | } | ||||||||
17188 | if (Init
| ||||||||
17189 | S.AddInitializerToDecl(RHSVD, Init, /*DirectInit=*/false); | ||||||||
17190 | // Store initializer for single element in private copy. Will be used | ||||||||
17191 | // during codegen. | ||||||||
17192 | PrivateVD->setInit(RHSVD->getInit()); | ||||||||
17193 | PrivateVD->setInitStyle(RHSVD->getInitStyle()); | ||||||||
17194 | } else if (!Init
| ||||||||
17195 | S.ActOnUninitializedDecl(RHSVD); | ||||||||
17196 | // Store initializer for single element in private copy. Will be used | ||||||||
17197 | // during codegen. | ||||||||
17198 | PrivateVD->setInit(RHSVD->getInit()); | ||||||||
17199 | PrivateVD->setInitStyle(RHSVD->getInitStyle()); | ||||||||
17200 | } | ||||||||
17201 | if (RHSVD->isInvalidDecl()) | ||||||||
17202 | continue; | ||||||||
17203 | if (!RHSVD->hasInit() && DeclareReductionRef.isUnset()) { | ||||||||
17204 | S.Diag(ELoc, diag::err_omp_reduction_id_not_compatible) | ||||||||
17205 | << Type << ReductionIdRange; | ||||||||
17206 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == | ||||||||
17207 | VarDecl::DeclarationOnly; | ||||||||
17208 | S.Diag(D->getLocation(), | ||||||||
17209 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||||||
17210 | << D; | ||||||||
17211 | continue; | ||||||||
17212 | } | ||||||||
17213 | DeclRefExpr *PrivateDRE = buildDeclRefExpr(S, PrivateVD, PrivateTy, ELoc); | ||||||||
17214 | ExprResult ReductionOp; | ||||||||
17215 | if (DeclareReductionRef.isUsable()) { | ||||||||
17216 | QualType RedTy = DeclareReductionRef.get()->getType(); | ||||||||
17217 | QualType PtrRedTy = Context.getPointerType(RedTy); | ||||||||
17218 | ExprResult LHS = S.CreateBuiltinUnaryOp(ELoc, UO_AddrOf, LHSDRE); | ||||||||
17219 | ExprResult RHS = S.CreateBuiltinUnaryOp(ELoc, UO_AddrOf, RHSDRE); | ||||||||
17220 | if (!BasePath.empty()) { | ||||||||
17221 | LHS = S.DefaultLvalueConversion(LHS.get()); | ||||||||
17222 | RHS = S.DefaultLvalueConversion(RHS.get()); | ||||||||
17223 | LHS = ImplicitCastExpr::Create( | ||||||||
17224 | Context, PtrRedTy, CK_UncheckedDerivedToBase, LHS.get(), &BasePath, | ||||||||
17225 | LHS.get()->getValueKind(), FPOptionsOverride()); | ||||||||
17226 | RHS = ImplicitCastExpr::Create( | ||||||||
17227 | Context, PtrRedTy, CK_UncheckedDerivedToBase, RHS.get(), &BasePath, | ||||||||
17228 | RHS.get()->getValueKind(), FPOptionsOverride()); | ||||||||
17229 | } | ||||||||
17230 | FunctionProtoType::ExtProtoInfo EPI; | ||||||||
17231 | QualType Params[] = {PtrRedTy, PtrRedTy}; | ||||||||
17232 | QualType FnTy = Context.getFunctionType(Context.VoidTy, Params, EPI); | ||||||||
17233 | auto *OVE = new (Context) OpaqueValueExpr( | ||||||||
17234 | ELoc, Context.getPointerType(FnTy), VK_PRValue, OK_Ordinary, | ||||||||
17235 | S.DefaultLvalueConversion(DeclareReductionRef.get()).get()); | ||||||||
17236 | Expr *Args[] = {LHS.get(), RHS.get()}; | ||||||||
17237 | ReductionOp = | ||||||||
17238 | CallExpr::Create(Context, OVE, Args, Context.VoidTy, VK_PRValue, ELoc, | ||||||||
17239 | S.CurFPFeatureOverrides()); | ||||||||
17240 | } else { | ||||||||
17241 | BinaryOperatorKind CombBOK = getRelatedCompoundReductionOp(BOK); | ||||||||
17242 | if (Type->isRecordType() && CombBOK != BOK) { | ||||||||
17243 | Sema::TentativeAnalysisScope Trap(S); | ||||||||
17244 | ReductionOp = | ||||||||
17245 | S.BuildBinOp(Stack->getCurScope(), ReductionId.getBeginLoc(), | ||||||||
17246 | CombBOK, LHSDRE, RHSDRE); | ||||||||
17247 | } | ||||||||
17248 | if (!ReductionOp.isUsable()) { | ||||||||
17249 | ReductionOp = | ||||||||
17250 | S.BuildBinOp(Stack->getCurScope(), ReductionId.getBeginLoc(), BOK, | ||||||||
17251 | LHSDRE, RHSDRE); | ||||||||
17252 | if (ReductionOp.isUsable()) { | ||||||||
17253 | if (BOK != BO_LT && BOK != BO_GT) { | ||||||||
17254 | ReductionOp = | ||||||||
17255 | S.BuildBinOp(Stack->getCurScope(), ReductionId.getBeginLoc(), | ||||||||
17256 | BO_Assign, LHSDRE, ReductionOp.get()); | ||||||||
17257 | } else { | ||||||||
17258 | auto *ConditionalOp = new (Context) | ||||||||
17259 | ConditionalOperator(ReductionOp.get(), ELoc, LHSDRE, ELoc, | ||||||||
17260 | RHSDRE, Type, VK_LValue, OK_Ordinary); | ||||||||
17261 | ReductionOp = | ||||||||
17262 | S.BuildBinOp(Stack->getCurScope(), ReductionId.getBeginLoc(), | ||||||||
17263 | BO_Assign, LHSDRE, ConditionalOp); | ||||||||
17264 | } | ||||||||
17265 | } | ||||||||
17266 | } | ||||||||
17267 | if (ReductionOp.isUsable()) | ||||||||
17268 | ReductionOp = S.ActOnFinishFullExpr(ReductionOp.get(), | ||||||||
17269 | /*DiscardedValue*/ false); | ||||||||
17270 | if (!ReductionOp.isUsable()) | ||||||||
17271 | continue; | ||||||||
17272 | } | ||||||||
17273 | |||||||||
17274 | // Add copy operations for inscan reductions. | ||||||||
17275 | // LHS = RHS; | ||||||||
17276 | ExprResult CopyOpRes, TempArrayRes, TempArrayElem; | ||||||||
17277 | if (ClauseKind == OMPC_reduction && | ||||||||
17278 | RD.RedModifier == OMPC_REDUCTION_inscan) { | ||||||||
17279 | ExprResult RHS = S.DefaultLvalueConversion(RHSDRE); | ||||||||
17280 | CopyOpRes = S.BuildBinOp(Stack->getCurScope(), ELoc, BO_Assign, LHSDRE, | ||||||||
17281 | RHS.get()); | ||||||||
17282 | if (!CopyOpRes.isUsable()) | ||||||||
17283 | continue; | ||||||||
17284 | CopyOpRes = | ||||||||
17285 | S.ActOnFinishFullExpr(CopyOpRes.get(), /*DiscardedValue=*/true); | ||||||||
17286 | if (!CopyOpRes.isUsable()) | ||||||||
17287 | continue; | ||||||||
17288 | // For simd directive and simd-based directives in simd mode no need to | ||||||||
17289 | // construct temp array, need just a single temp element. | ||||||||
17290 | if (Stack->getCurrentDirective() == OMPD_simd || | ||||||||
17291 | (S.getLangOpts().OpenMPSimd && | ||||||||
17292 | isOpenMPSimdDirective(Stack->getCurrentDirective()))) { | ||||||||
17293 | VarDecl *TempArrayVD = | ||||||||
17294 | buildVarDecl(S, ELoc, PrivateTy, D->getName(), | ||||||||
17295 | D->hasAttrs() ? &D->getAttrs() : nullptr); | ||||||||
17296 | // Add a constructor to the temp decl. | ||||||||
17297 | S.ActOnUninitializedDecl(TempArrayVD); | ||||||||
17298 | TempArrayRes = buildDeclRefExpr(S, TempArrayVD, PrivateTy, ELoc); | ||||||||
17299 | } else { | ||||||||
17300 | // Build temp array for prefix sum. | ||||||||
17301 | auto *Dim = new (S.Context) | ||||||||
17302 | OpaqueValueExpr(ELoc, S.Context.getSizeType(), VK_PRValue); | ||||||||
17303 | QualType ArrayTy = | ||||||||
17304 | S.Context.getVariableArrayType(PrivateTy, Dim, ArrayType::Normal, | ||||||||
17305 | /*IndexTypeQuals=*/0, {ELoc, ELoc}); | ||||||||
17306 | VarDecl *TempArrayVD = | ||||||||
17307 | buildVarDecl(S, ELoc, ArrayTy, D->getName(), | ||||||||
17308 | D->hasAttrs() ? &D->getAttrs() : nullptr); | ||||||||
17309 | // Add a constructor to the temp decl. | ||||||||
17310 | S.ActOnUninitializedDecl(TempArrayVD); | ||||||||
17311 | TempArrayRes = buildDeclRefExpr(S, TempArrayVD, ArrayTy, ELoc); | ||||||||
17312 | TempArrayElem = | ||||||||
17313 | S.DefaultFunctionArrayLvalueConversion(TempArrayRes.get()); | ||||||||
17314 | auto *Idx = new (S.Context) | ||||||||
17315 | OpaqueValueExpr(ELoc, S.Context.getSizeType(), VK_PRValue); | ||||||||
17316 | TempArrayElem = S.CreateBuiltinArraySubscriptExpr(TempArrayElem.get(), | ||||||||
17317 | ELoc, Idx, ELoc); | ||||||||
17318 | } | ||||||||
17319 | } | ||||||||
17320 | |||||||||
17321 | // OpenMP [2.15.4.6, Restrictions, p.2] | ||||||||
17322 | // A list item that appears in an in_reduction clause of a task construct | ||||||||
17323 | // must appear in a task_reduction clause of a construct associated with a | ||||||||
17324 | // taskgroup region that includes the participating task in its taskgroup | ||||||||
17325 | // set. The construct associated with the innermost region that meets this | ||||||||
17326 | // condition must specify the same reduction-identifier as the in_reduction | ||||||||
17327 | // clause. | ||||||||
17328 | if (ClauseKind == OMPC_in_reduction) { | ||||||||
17329 | SourceRange ParentSR; | ||||||||
17330 | BinaryOperatorKind ParentBOK; | ||||||||
17331 | const Expr *ParentReductionOp = nullptr; | ||||||||
17332 | Expr *ParentBOKTD = nullptr, *ParentReductionOpTD = nullptr; | ||||||||
17333 | DSAStackTy::DSAVarData ParentBOKDSA = | ||||||||
17334 | Stack->getTopMostTaskgroupReductionData(D, ParentSR, ParentBOK, | ||||||||
17335 | ParentBOKTD); | ||||||||
17336 | DSAStackTy::DSAVarData ParentReductionOpDSA = | ||||||||
17337 | Stack->getTopMostTaskgroupReductionData( | ||||||||
17338 | D, ParentSR, ParentReductionOp, ParentReductionOpTD); | ||||||||
17339 | bool IsParentBOK = ParentBOKDSA.DKind != OMPD_unknown; | ||||||||
17340 | bool IsParentReductionOp = ParentReductionOpDSA.DKind != OMPD_unknown; | ||||||||
17341 | if ((DeclareReductionRef.isUnset() && IsParentReductionOp) || | ||||||||
17342 | (DeclareReductionRef.isUsable() && IsParentBOK) || | ||||||||
17343 | (IsParentBOK && BOK != ParentBOK) || IsParentReductionOp) { | ||||||||
17344 | bool EmitError = true; | ||||||||
17345 | if (IsParentReductionOp && DeclareReductionRef.isUsable()) { | ||||||||
17346 | llvm::FoldingSetNodeID RedId, ParentRedId; | ||||||||
17347 | ParentReductionOp->Profile(ParentRedId, Context, /*Canonical=*/true); | ||||||||
17348 | DeclareReductionRef.get()->Profile(RedId, Context, | ||||||||
17349 | /*Canonical=*/true); | ||||||||
17350 | EmitError = RedId != ParentRedId; | ||||||||
17351 | } | ||||||||
17352 | if (EmitError) { | ||||||||
17353 | S.Diag(ReductionId.getBeginLoc(), | ||||||||
17354 | diag::err_omp_reduction_identifier_mismatch) | ||||||||
17355 | << ReductionIdRange << RefExpr->getSourceRange(); | ||||||||
17356 | S.Diag(ParentSR.getBegin(), | ||||||||
17357 | diag::note_omp_previous_reduction_identifier) | ||||||||
17358 | << ParentSR | ||||||||
17359 | << (IsParentBOK ? ParentBOKDSA.RefExpr | ||||||||
17360 | : ParentReductionOpDSA.RefExpr) | ||||||||
17361 | ->getSourceRange(); | ||||||||
17362 | continue; | ||||||||
17363 | } | ||||||||
17364 | } | ||||||||
17365 | TaskgroupDescriptor = IsParentBOK ? ParentBOKTD : ParentReductionOpTD; | ||||||||
17366 | } | ||||||||
17367 | |||||||||
17368 | DeclRefExpr *Ref = nullptr; | ||||||||
17369 | Expr *VarsExpr = RefExpr->IgnoreParens(); | ||||||||
17370 | if (!VD
| ||||||||
17371 | if (ASE
| ||||||||
17372 | TransformExprToCaptures RebuildToCapture(S, D); | ||||||||
17373 | VarsExpr = | ||||||||
17374 | RebuildToCapture.TransformExpr(RefExpr->IgnoreParens()).get(); | ||||||||
17375 | Ref = RebuildToCapture.getCapturedExpr(); | ||||||||
17376 | } else { | ||||||||
17377 | VarsExpr = Ref = buildCapture(S, D, SimpleRefExpr, /*WithInit=*/false); | ||||||||
17378 | } | ||||||||
17379 | if (!S.isOpenMPCapturedDecl(D)) { | ||||||||
17380 | RD.ExprCaptures.emplace_back(Ref->getDecl()); | ||||||||
17381 | if (Ref->getDecl()->hasAttr<OMPCaptureNoInitAttr>()) { | ||||||||
17382 | ExprResult RefRes = S.DefaultLvalueConversion(Ref); | ||||||||
17383 | if (!RefRes.isUsable()) | ||||||||
17384 | continue; | ||||||||
17385 | ExprResult PostUpdateRes = | ||||||||
17386 | S.BuildBinOp(Stack->getCurScope(), ELoc, BO_Assign, SimpleRefExpr, | ||||||||
17387 | RefRes.get()); | ||||||||
17388 | if (!PostUpdateRes.isUsable()) | ||||||||
17389 | continue; | ||||||||
17390 | if (isOpenMPTaskingDirective(Stack->getCurrentDirective()) || | ||||||||
17391 | Stack->getCurrentDirective() == OMPD_taskgroup) { | ||||||||
17392 | S.Diag(RefExpr->getExprLoc(), | ||||||||
17393 | diag::err_omp_reduction_non_addressable_expression) | ||||||||
17394 | << RefExpr->getSourceRange(); | ||||||||
17395 | continue; | ||||||||
17396 | } | ||||||||
17397 | RD.ExprPostUpdates.emplace_back( | ||||||||
17398 | S.IgnoredValueConversions(PostUpdateRes.get()).get()); | ||||||||
17399 | } | ||||||||
17400 | } | ||||||||
17401 | } | ||||||||
17402 | // All reduction items are still marked as reduction (to do not increase | ||||||||
17403 | // code base size). | ||||||||
17404 | unsigned Modifier = RD.RedModifier; | ||||||||
17405 | // Consider task_reductions as reductions with task modifier. Required for | ||||||||
17406 | // correct analysis of in_reduction clauses. | ||||||||
17407 | if (CurrDir == OMPD_taskgroup && ClauseKind == OMPC_task_reduction) | ||||||||
17408 | Modifier = OMPC_REDUCTION_task; | ||||||||
17409 | Stack->addDSA(D, RefExpr->IgnoreParens(), OMPC_reduction, Ref, Modifier, | ||||||||
17410 | ASE || OASE); | ||||||||
17411 | if (Modifier == OMPC_REDUCTION_task && | ||||||||
17412 | (CurrDir == OMPD_taskgroup || | ||||||||
17413 | ((isOpenMPParallelDirective(CurrDir) || | ||||||||
17414 | isOpenMPWorksharingDirective(CurrDir)) && | ||||||||
17415 | !isOpenMPSimdDirective(CurrDir)))) { | ||||||||
17416 | if (DeclareReductionRef.isUsable()) | ||||||||
17417 | Stack->addTaskgroupReductionData(D, ReductionIdRange, | ||||||||
17418 | DeclareReductionRef.get()); | ||||||||
17419 | else | ||||||||
17420 | Stack->addTaskgroupReductionData(D, ReductionIdRange, BOK); | ||||||||
17421 | } | ||||||||
17422 | RD.push(VarsExpr, PrivateDRE, LHSDRE, RHSDRE, ReductionOp.get(), | ||||||||
17423 | TaskgroupDescriptor, CopyOpRes.get(), TempArrayRes.get(), | ||||||||
17424 | TempArrayElem.get()); | ||||||||
17425 | } | ||||||||
17426 | return RD.Vars.empty(); | ||||||||
17427 | } | ||||||||
17428 | |||||||||
17429 | OMPClause *Sema::ActOnOpenMPReductionClause( | ||||||||
17430 | ArrayRef<Expr *> VarList, OpenMPReductionClauseModifier Modifier, | ||||||||
17431 | SourceLocation StartLoc, SourceLocation LParenLoc, | ||||||||
17432 | SourceLocation ModifierLoc, SourceLocation ColonLoc, SourceLocation EndLoc, | ||||||||
17433 | CXXScopeSpec &ReductionIdScopeSpec, const DeclarationNameInfo &ReductionId, | ||||||||
17434 | ArrayRef<Expr *> UnresolvedReductions) { | ||||||||
17435 | if (ModifierLoc.isValid() && Modifier == OMPC_REDUCTION_unknown) { | ||||||||
17436 | Diag(LParenLoc, diag::err_omp_unexpected_clause_value) | ||||||||
17437 | << getListOfPossibleValues(OMPC_reduction, /*First=*/0, | ||||||||
17438 | /*Last=*/OMPC_REDUCTION_unknown) | ||||||||
17439 | << getOpenMPClauseName(OMPC_reduction); | ||||||||
17440 | return nullptr; | ||||||||
17441 | } | ||||||||
17442 | // OpenMP 5.0, 2.19.5.4 reduction Clause, Restrictions | ||||||||
17443 | // A reduction clause with the inscan reduction-modifier may only appear on a | ||||||||
17444 | // worksharing-loop construct, a worksharing-loop SIMD construct, a simd | ||||||||
17445 | // construct, a parallel worksharing-loop construct or a parallel | ||||||||
17446 | // worksharing-loop SIMD construct. | ||||||||
17447 | if (Modifier == OMPC_REDUCTION_inscan && | ||||||||
17448 | (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_for && | ||||||||
17449 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_for_simd && | ||||||||
17450 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_simd && | ||||||||
17451 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_parallel_for && | ||||||||
17452 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_parallel_for_simd)) { | ||||||||
17453 | Diag(ModifierLoc, diag::err_omp_wrong_inscan_reduction); | ||||||||
17454 | return nullptr; | ||||||||
17455 | } | ||||||||
17456 | |||||||||
17457 | ReductionData RD(VarList.size(), Modifier); | ||||||||
17458 | if (actOnOMPReductionKindClause(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_reduction, VarList, | ||||||||
17459 | StartLoc, LParenLoc, ColonLoc, EndLoc, | ||||||||
17460 | ReductionIdScopeSpec, ReductionId, | ||||||||
17461 | UnresolvedReductions, RD)) | ||||||||
17462 | return nullptr; | ||||||||
17463 | |||||||||
17464 | return OMPReductionClause::Create( | ||||||||
17465 | Context, StartLoc, LParenLoc, ModifierLoc, ColonLoc, EndLoc, Modifier, | ||||||||
17466 | RD.Vars, ReductionIdScopeSpec.getWithLocInContext(Context), ReductionId, | ||||||||
17467 | RD.Privates, RD.LHSs, RD.RHSs, RD.ReductionOps, RD.InscanCopyOps, | ||||||||
17468 | RD.InscanCopyArrayTemps, RD.InscanCopyArrayElems, | ||||||||
17469 | buildPreInits(Context, RD.ExprCaptures), | ||||||||
17470 | buildPostUpdate(*this, RD.ExprPostUpdates)); | ||||||||
17471 | } | ||||||||
17472 | |||||||||
17473 | OMPClause *Sema::ActOnOpenMPTaskReductionClause( | ||||||||
17474 | ArrayRef<Expr *> VarList, SourceLocation StartLoc, SourceLocation LParenLoc, | ||||||||
17475 | SourceLocation ColonLoc, SourceLocation EndLoc, | ||||||||
17476 | CXXScopeSpec &ReductionIdScopeSpec, const DeclarationNameInfo &ReductionId, | ||||||||
17477 | ArrayRef<Expr *> UnresolvedReductions) { | ||||||||
17478 | ReductionData RD(VarList.size()); | ||||||||
17479 | if (actOnOMPReductionKindClause(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_task_reduction, VarList, | ||||||||
17480 | StartLoc, LParenLoc, ColonLoc, EndLoc, | ||||||||
17481 | ReductionIdScopeSpec, ReductionId, | ||||||||
17482 | UnresolvedReductions, RD)) | ||||||||
17483 | return nullptr; | ||||||||
17484 | |||||||||
17485 | return OMPTaskReductionClause::Create( | ||||||||
17486 | Context, StartLoc, LParenLoc, ColonLoc, EndLoc, RD.Vars, | ||||||||
17487 | ReductionIdScopeSpec.getWithLocInContext(Context), ReductionId, | ||||||||
17488 | RD.Privates, RD.LHSs, RD.RHSs, RD.ReductionOps, | ||||||||
17489 | buildPreInits(Context, RD.ExprCaptures), | ||||||||
17490 | buildPostUpdate(*this, RD.ExprPostUpdates)); | ||||||||
17491 | } | ||||||||
17492 | |||||||||
17493 | OMPClause *Sema::ActOnOpenMPInReductionClause( | ||||||||
17494 | ArrayRef<Expr *> VarList, SourceLocation StartLoc, SourceLocation LParenLoc, | ||||||||
17495 | SourceLocation ColonLoc, SourceLocation EndLoc, | ||||||||
17496 | CXXScopeSpec &ReductionIdScopeSpec, const DeclarationNameInfo &ReductionId, | ||||||||
17497 | ArrayRef<Expr *> UnresolvedReductions) { | ||||||||
17498 | ReductionData RD(VarList.size()); | ||||||||
17499 | if (actOnOMPReductionKindClause(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_in_reduction, VarList, | ||||||||
17500 | StartLoc, LParenLoc, ColonLoc, EndLoc, | ||||||||
17501 | ReductionIdScopeSpec, ReductionId, | ||||||||
17502 | UnresolvedReductions, RD)) | ||||||||
17503 | return nullptr; | ||||||||
17504 | |||||||||
17505 | return OMPInReductionClause::Create( | ||||||||
17506 | Context, StartLoc, LParenLoc, ColonLoc, EndLoc, RD.Vars, | ||||||||
17507 | ReductionIdScopeSpec.getWithLocInContext(Context), ReductionId, | ||||||||
17508 | RD.Privates, RD.LHSs, RD.RHSs, RD.ReductionOps, RD.TaskgroupDescriptors, | ||||||||
17509 | buildPreInits(Context, RD.ExprCaptures), | ||||||||
17510 | buildPostUpdate(*this, RD.ExprPostUpdates)); | ||||||||
17511 | } | ||||||||
17512 | |||||||||
17513 | bool Sema::CheckOpenMPLinearModifier(OpenMPLinearClauseKind LinKind, | ||||||||
17514 | SourceLocation LinLoc) { | ||||||||
17515 | if ((!LangOpts.CPlusPlus && LinKind != OMPC_LINEAR_val) || | ||||||||
17516 | LinKind == OMPC_LINEAR_unknown) { | ||||||||
17517 | Diag(LinLoc, diag::err_omp_wrong_linear_modifier) << LangOpts.CPlusPlus; | ||||||||
17518 | return true; | ||||||||
17519 | } | ||||||||
17520 | return false; | ||||||||
17521 | } | ||||||||
17522 | |||||||||
17523 | bool Sema::CheckOpenMPLinearDecl(const ValueDecl *D, SourceLocation ELoc, | ||||||||
17524 | OpenMPLinearClauseKind LinKind, QualType Type, | ||||||||
17525 | bool IsDeclareSimd) { | ||||||||
17526 | const auto *VD = dyn_cast_or_null<VarDecl>(D); | ||||||||
17527 | // A variable must not have an incomplete type or a reference type. | ||||||||
17528 | if (RequireCompleteType(ELoc, Type, diag::err_omp_linear_incomplete_type)) | ||||||||
17529 | return true; | ||||||||
17530 | if ((LinKind == OMPC_LINEAR_uval || LinKind == OMPC_LINEAR_ref) && | ||||||||
17531 | !Type->isReferenceType()) { | ||||||||
17532 | Diag(ELoc, diag::err_omp_wrong_linear_modifier_non_reference) | ||||||||
17533 | << Type << getOpenMPSimpleClauseTypeName(OMPC_linear, LinKind); | ||||||||
17534 | return true; | ||||||||
17535 | } | ||||||||
17536 | Type = Type.getNonReferenceType(); | ||||||||
17537 | |||||||||
17538 | // OpenMP 5.0 [2.19.3, List Item Privatization, Restrictions] | ||||||||
17539 | // A variable that is privatized must not have a const-qualified type | ||||||||
17540 | // unless it is of class type with a mutable member. This restriction does | ||||||||
17541 | // not apply to the firstprivate clause, nor to the linear clause on | ||||||||
17542 | // declarative directives (like declare simd). | ||||||||
17543 | if (!IsDeclareSimd && | ||||||||
17544 | rejectConstNotMutableType(*this, D, Type, OMPC_linear, ELoc)) | ||||||||
17545 | return true; | ||||||||
17546 | |||||||||
17547 | // A list item must be of integral or pointer type. | ||||||||
17548 | Type = Type.getUnqualifiedType().getCanonicalType(); | ||||||||
17549 | const auto *Ty = Type.getTypePtrOrNull(); | ||||||||
17550 | if (!Ty || (LinKind != OMPC_LINEAR_ref && !Ty->isDependentType() && | ||||||||
17551 | !Ty->isIntegralType(Context) && !Ty->isPointerType())) { | ||||||||
17552 | Diag(ELoc, diag::err_omp_linear_expected_int_or_ptr) << Type; | ||||||||
17553 | if (D) { | ||||||||
17554 | bool IsDecl = | ||||||||
17555 | !VD || | ||||||||
17556 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | ||||||||
17557 | Diag(D->getLocation(), | ||||||||
17558 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||||||
17559 | << D; | ||||||||
17560 | } | ||||||||
17561 | return true; | ||||||||
17562 | } | ||||||||
17563 | return false; | ||||||||
17564 | } | ||||||||
17565 | |||||||||
17566 | OMPClause *Sema::ActOnOpenMPLinearClause( | ||||||||
17567 | ArrayRef<Expr *> VarList, Expr *Step, SourceLocation StartLoc, | ||||||||
17568 | SourceLocation LParenLoc, OpenMPLinearClauseKind LinKind, | ||||||||
17569 | SourceLocation LinLoc, SourceLocation ColonLoc, SourceLocation EndLoc) { | ||||||||
17570 | SmallVector<Expr *, 8> Vars; | ||||||||
17571 | SmallVector<Expr *, 8> Privates; | ||||||||
17572 | SmallVector<Expr *, 8> Inits; | ||||||||
17573 | SmallVector<Decl *, 4> ExprCaptures; | ||||||||
17574 | SmallVector<Expr *, 4> ExprPostUpdates; | ||||||||
17575 | if (CheckOpenMPLinearModifier(LinKind, LinLoc)) | ||||||||
17576 | LinKind = OMPC_LINEAR_val; | ||||||||
17577 | for (Expr *RefExpr : VarList) { | ||||||||
17578 | assert(RefExpr && "NULL expr in OpenMP linear clause.")((void)0); | ||||||||
17579 | SourceLocation ELoc; | ||||||||
17580 | SourceRange ERange; | ||||||||
17581 | Expr *SimpleRefExpr = RefExpr; | ||||||||
17582 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | ||||||||
17583 | if (Res.second) { | ||||||||
17584 | // It will be analyzed later. | ||||||||
17585 | Vars.push_back(RefExpr); | ||||||||
17586 | Privates.push_back(nullptr); | ||||||||
17587 | Inits.push_back(nullptr); | ||||||||
17588 | } | ||||||||
17589 | ValueDecl *D = Res.first; | ||||||||
17590 | if (!D) | ||||||||
17591 | continue; | ||||||||
17592 | |||||||||
17593 | QualType Type = D->getType(); | ||||||||
17594 | auto *VD = dyn_cast<VarDecl>(D); | ||||||||
17595 | |||||||||
17596 | // OpenMP [2.14.3.7, linear clause] | ||||||||
17597 | // A list-item cannot appear in more than one linear clause. | ||||||||
17598 | // A list-item that appears in a linear clause cannot appear in any | ||||||||
17599 | // other data-sharing attribute clause. | ||||||||
17600 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | ||||||||
17601 | if (DVar.RefExpr) { | ||||||||
17602 | Diag(ELoc, diag::err_omp_wrong_dsa) << getOpenMPClauseName(DVar.CKind) | ||||||||
17603 | << getOpenMPClauseName(OMPC_linear); | ||||||||
17604 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | ||||||||
17605 | continue; | ||||||||
17606 | } | ||||||||
17607 | |||||||||
17608 | if (CheckOpenMPLinearDecl(D, ELoc, LinKind, Type)) | ||||||||
17609 | continue; | ||||||||
17610 | Type = Type.getNonReferenceType().getUnqualifiedType().getCanonicalType(); | ||||||||
17611 | |||||||||
17612 | // Build private copy of original var. | ||||||||
17613 | VarDecl *Private = | ||||||||
17614 | buildVarDecl(*this, ELoc, Type, D->getName(), | ||||||||
17615 | D->hasAttrs() ? &D->getAttrs() : nullptr, | ||||||||
17616 | VD ? cast<DeclRefExpr>(SimpleRefExpr) : nullptr); | ||||||||
17617 | DeclRefExpr *PrivateRef = buildDeclRefExpr(*this, Private, Type, ELoc); | ||||||||
17618 | // Build var to save initial value. | ||||||||
17619 | VarDecl *Init = buildVarDecl(*this, ELoc, Type, ".linear.start"); | ||||||||
17620 | Expr *InitExpr; | ||||||||
17621 | DeclRefExpr *Ref = nullptr; | ||||||||
17622 | if (!VD && !CurContext->isDependentContext()) { | ||||||||
17623 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/false); | ||||||||
17624 | if (!isOpenMPCapturedDecl(D)) { | ||||||||
17625 | ExprCaptures.push_back(Ref->getDecl()); | ||||||||
17626 | if (Ref->getDecl()->hasAttr<OMPCaptureNoInitAttr>()) { | ||||||||
17627 | ExprResult RefRes = DefaultLvalueConversion(Ref); | ||||||||
17628 | if (!RefRes.isUsable()) | ||||||||
17629 | continue; | ||||||||
17630 | ExprResult PostUpdateRes = | ||||||||
17631 | BuildBinOp(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurScope(), ELoc, BO_Assign, | ||||||||
17632 | SimpleRefExpr, RefRes.get()); | ||||||||
17633 | if (!PostUpdateRes.isUsable()) | ||||||||
17634 | continue; | ||||||||
17635 | ExprPostUpdates.push_back( | ||||||||
17636 | IgnoredValueConversions(PostUpdateRes.get()).get()); | ||||||||
17637 | } | ||||||||
17638 | } | ||||||||
17639 | } | ||||||||
17640 | if (LinKind == OMPC_LINEAR_uval) | ||||||||
17641 | InitExpr = VD ? VD->getInit() : SimpleRefExpr; | ||||||||
17642 | else | ||||||||
17643 | InitExpr = VD ? SimpleRefExpr : Ref; | ||||||||
17644 | AddInitializerToDecl(Init, DefaultLvalueConversion(InitExpr).get(), | ||||||||
17645 | /*DirectInit=*/false); | ||||||||
17646 | DeclRefExpr *InitRef = buildDeclRefExpr(*this, Init, Type, ELoc); | ||||||||
17647 | |||||||||
17648 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_linear, Ref); | ||||||||
17649 | Vars.push_back((VD || CurContext->isDependentContext()) | ||||||||
17650 | ? RefExpr->IgnoreParens() | ||||||||
17651 | : Ref); | ||||||||
17652 | Privates.push_back(PrivateRef); | ||||||||
17653 | Inits.push_back(InitRef); | ||||||||
17654 | } | ||||||||
17655 | |||||||||
17656 | if (Vars.empty()) | ||||||||
17657 | return nullptr; | ||||||||
17658 | |||||||||
17659 | Expr *StepExpr = Step; | ||||||||
17660 | Expr *CalcStepExpr = nullptr; | ||||||||
17661 | if (Step && !Step->isValueDependent() && !Step->isTypeDependent() && | ||||||||
17662 | !Step->isInstantiationDependent() && | ||||||||
17663 | !Step->containsUnexpandedParameterPack()) { | ||||||||
17664 | SourceLocation StepLoc = Step->getBeginLoc(); | ||||||||
17665 | ExprResult Val = PerformOpenMPImplicitIntegerConversion(StepLoc, Step); | ||||||||
17666 | if (Val.isInvalid()) | ||||||||
17667 | return nullptr; | ||||||||
17668 | StepExpr = Val.get(); | ||||||||
17669 | |||||||||
17670 | // Build var to save the step value. | ||||||||
17671 | VarDecl *SaveVar = | ||||||||
17672 | buildVarDecl(*this, StepLoc, StepExpr->getType(), ".linear.step"); | ||||||||
17673 | ExprResult SaveRef = | ||||||||
17674 | buildDeclRefExpr(*this, SaveVar, StepExpr->getType(), StepLoc); | ||||||||
17675 | ExprResult CalcStep = | ||||||||
17676 | BuildBinOp(CurScope, StepLoc, BO_Assign, SaveRef.get(), StepExpr); | ||||||||
17677 | CalcStep = ActOnFinishFullExpr(CalcStep.get(), /*DiscardedValue*/ false); | ||||||||
17678 | |||||||||
17679 | // Warn about zero linear step (it would be probably better specified as | ||||||||
17680 | // making corresponding variables 'const'). | ||||||||
17681 | if (Optional<llvm::APSInt> Result = | ||||||||
17682 | StepExpr->getIntegerConstantExpr(Context)) { | ||||||||
17683 | if (!Result->isNegative() && !Result->isStrictlyPositive()) | ||||||||
17684 | Diag(StepLoc, diag::warn_omp_linear_step_zero) | ||||||||
17685 | << Vars[0] << (Vars.size() > 1); | ||||||||
17686 | } else if (CalcStep.isUsable()) { | ||||||||
17687 | // Calculate the step beforehand instead of doing this on each iteration. | ||||||||
17688 | // (This is not used if the number of iterations may be kfold-ed). | ||||||||
17689 | CalcStepExpr = CalcStep.get(); | ||||||||
17690 | } | ||||||||
17691 | } | ||||||||
17692 | |||||||||
17693 | return OMPLinearClause::Create(Context, StartLoc, LParenLoc, LinKind, LinLoc, | ||||||||
17694 | ColonLoc, EndLoc, Vars, Privates, Inits, | ||||||||
17695 | StepExpr, CalcStepExpr, | ||||||||
17696 | buildPreInits(Context, ExprCaptures), | ||||||||
17697 | buildPostUpdate(*this, ExprPostUpdates)); | ||||||||
17698 | } | ||||||||
17699 | |||||||||
17700 | static bool FinishOpenMPLinearClause(OMPLinearClause &Clause, DeclRefExpr *IV, | ||||||||
17701 | Expr *NumIterations, Sema &SemaRef, | ||||||||
17702 | Scope *S, DSAStackTy *Stack) { | ||||||||
17703 | // Walk the vars and build update/final expressions for the CodeGen. | ||||||||
17704 | SmallVector<Expr *, 8> Updates; | ||||||||
17705 | SmallVector<Expr *, 8> Finals; | ||||||||
17706 | SmallVector<Expr *, 8> UsedExprs; | ||||||||
17707 | Expr *Step = Clause.getStep(); | ||||||||
17708 | Expr *CalcStep = Clause.getCalcStep(); | ||||||||
17709 | // OpenMP [2.14.3.7, linear clause] | ||||||||
17710 | // If linear-step is not specified it is assumed to be 1. | ||||||||
17711 | if (!Step) | ||||||||
17712 | Step = SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get(); | ||||||||
17713 | else if (CalcStep) | ||||||||
17714 | Step = cast<BinaryOperator>(CalcStep)->getLHS(); | ||||||||
17715 | bool HasErrors = false; | ||||||||
17716 | auto CurInit = Clause.inits().begin(); | ||||||||
17717 | auto CurPrivate = Clause.privates().begin(); | ||||||||
17718 | OpenMPLinearClauseKind LinKind = Clause.getModifier(); | ||||||||
17719 | for (Expr *RefExpr : Clause.varlists()) { | ||||||||
17720 | SourceLocation ELoc; | ||||||||
17721 | SourceRange ERange; | ||||||||
17722 | Expr *SimpleRefExpr = RefExpr; | ||||||||
17723 | auto Res = getPrivateItem(SemaRef, SimpleRefExpr, ELoc, ERange); | ||||||||
17724 | ValueDecl *D = Res.first; | ||||||||
17725 | if (Res.second || !D) { | ||||||||
17726 | Updates.push_back(nullptr); | ||||||||
17727 | Finals.push_back(nullptr); | ||||||||
17728 | HasErrors = true; | ||||||||
17729 | continue; | ||||||||
17730 | } | ||||||||
17731 | auto &&Info = Stack->isLoopControlVariable(D); | ||||||||
17732 | // OpenMP [2.15.11, distribute simd Construct] | ||||||||
17733 | // A list item may not appear in a linear clause, unless it is the loop | ||||||||
17734 | // iteration variable. | ||||||||
17735 | if (isOpenMPDistributeDirective(Stack->getCurrentDirective()) && | ||||||||
17736 | isOpenMPSimdDirective(Stack->getCurrentDirective()) && !Info.first) { | ||||||||
17737 | SemaRef.Diag(ELoc, | ||||||||
17738 | diag::err_omp_linear_distribute_var_non_loop_iteration); | ||||||||
17739 | Updates.push_back(nullptr); | ||||||||
17740 | Finals.push_back(nullptr); | ||||||||
17741 | HasErrors = true; | ||||||||
17742 | continue; | ||||||||
17743 | } | ||||||||
17744 | Expr *InitExpr = *CurInit; | ||||||||
17745 | |||||||||
17746 | // Build privatized reference to the current linear var. | ||||||||
17747 | auto *DE = cast<DeclRefExpr>(SimpleRefExpr); | ||||||||
17748 | Expr *CapturedRef; | ||||||||
17749 | if (LinKind == OMPC_LINEAR_uval) | ||||||||
17750 | CapturedRef = cast<VarDecl>(DE->getDecl())->getInit(); | ||||||||
17751 | else | ||||||||
17752 | CapturedRef = | ||||||||
17753 | buildDeclRefExpr(SemaRef, cast<VarDecl>(DE->getDecl()), | ||||||||
17754 | DE->getType().getUnqualifiedType(), DE->getExprLoc(), | ||||||||
17755 | /*RefersToCapture=*/true); | ||||||||
17756 | |||||||||
17757 | // Build update: Var = InitExpr + IV * Step | ||||||||
17758 | ExprResult Update; | ||||||||
17759 | if (!Info.first) | ||||||||
17760 | Update = buildCounterUpdate( | ||||||||
17761 | SemaRef, S, RefExpr->getExprLoc(), *CurPrivate, InitExpr, IV, Step, | ||||||||
17762 | /*Subtract=*/false, /*IsNonRectangularLB=*/false); | ||||||||
17763 | else | ||||||||
17764 | Update = *CurPrivate; | ||||||||
17765 | Update = SemaRef.ActOnFinishFullExpr(Update.get(), DE->getBeginLoc(), | ||||||||
17766 | /*DiscardedValue*/ false); | ||||||||
17767 | |||||||||
17768 | // Build final: Var = InitExpr + NumIterations * Step | ||||||||
17769 | ExprResult Final; | ||||||||
17770 | if (!Info.first) | ||||||||
17771 | Final = | ||||||||
17772 | buildCounterUpdate(SemaRef, S, RefExpr->getExprLoc(), CapturedRef, | ||||||||
17773 | InitExpr, NumIterations, Step, /*Subtract=*/false, | ||||||||
17774 | /*IsNonRectangularLB=*/false); | ||||||||
17775 | else | ||||||||
17776 | Final = *CurPrivate; | ||||||||
17777 | Final = SemaRef.ActOnFinishFullExpr(Final.get(), DE->getBeginLoc(), | ||||||||
17778 | /*DiscardedValue*/ false); | ||||||||
17779 | |||||||||
17780 | if (!Update.isUsable() || !Final.isUsable()) { | ||||||||
17781 | Updates.push_back(nullptr); | ||||||||
17782 | Finals.push_back(nullptr); | ||||||||
17783 | UsedExprs.push_back(nullptr); | ||||||||
17784 | HasErrors = true; | ||||||||
17785 | } else { | ||||||||
17786 | Updates.push_back(Update.get()); | ||||||||
17787 | Finals.push_back(Final.get()); | ||||||||
17788 | if (!Info.first) | ||||||||
17789 | UsedExprs.push_back(SimpleRefExpr); | ||||||||
17790 | } | ||||||||
17791 | ++CurInit; | ||||||||
17792 | ++CurPrivate; | ||||||||
17793 | } | ||||||||
17794 | if (Expr *S = Clause.getStep()) | ||||||||
17795 | UsedExprs.push_back(S); | ||||||||
17796 | // Fill the remaining part with the nullptr. | ||||||||
17797 | UsedExprs.append(Clause.varlist_size() + 1 - UsedExprs.size(), nullptr); | ||||||||
17798 | Clause.setUpdates(Updates); | ||||||||
17799 | Clause.setFinals(Finals); | ||||||||
17800 | Clause.setUsedExprs(UsedExprs); | ||||||||
17801 | return HasErrors; | ||||||||
17802 | } | ||||||||
17803 | |||||||||
17804 | OMPClause *Sema::ActOnOpenMPAlignedClause( | ||||||||
17805 | ArrayRef<Expr *> VarList, Expr *Alignment, SourceLocation StartLoc, | ||||||||
17806 | SourceLocation LParenLoc, SourceLocation ColonLoc, SourceLocation EndLoc) { | ||||||||
17807 | SmallVector<Expr *, 8> Vars; | ||||||||
17808 | for (Expr *RefExpr : VarList) { | ||||||||
17809 | assert(RefExpr && "NULL expr in OpenMP linear clause.")((void)0); | ||||||||
17810 | SourceLocation ELoc; | ||||||||
17811 | SourceRange ERange; | ||||||||
17812 | Expr *SimpleRefExpr = RefExpr; | ||||||||
17813 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | ||||||||
17814 | if (Res.second) { | ||||||||
17815 | // It will be analyzed later. | ||||||||
17816 | Vars.push_back(RefExpr); | ||||||||
17817 | } | ||||||||
17818 | ValueDecl *D = Res.first; | ||||||||
17819 | if (!D) | ||||||||
17820 | continue; | ||||||||
17821 | |||||||||
17822 | QualType QType = D->getType(); | ||||||||
17823 | auto *VD = dyn_cast<VarDecl>(D); | ||||||||
17824 | |||||||||
17825 | // OpenMP [2.8.1, simd construct, Restrictions] | ||||||||
17826 | // The type of list items appearing in the aligned clause must be | ||||||||
17827 | // array, pointer, reference to array, or reference to pointer. | ||||||||
17828 | QType = QType.getNonReferenceType().getUnqualifiedType().getCanonicalType(); | ||||||||
17829 | const Type *Ty = QType.getTypePtrOrNull(); | ||||||||
17830 | if (!Ty || (!Ty->isArrayType() && !Ty->isPointerType())) { | ||||||||
17831 | Diag(ELoc, diag::err_omp_aligned_expected_array_or_ptr) | ||||||||
17832 | << QType << getLangOpts().CPlusPlus << ERange; | ||||||||
17833 | bool IsDecl = | ||||||||
17834 | !VD || | ||||||||
17835 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | ||||||||
17836 | Diag(D->getLocation(), | ||||||||
17837 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||||||
17838 | << D; | ||||||||
17839 | continue; | ||||||||
17840 | } | ||||||||
17841 | |||||||||
17842 | // OpenMP [2.8.1, simd construct, Restrictions] | ||||||||
17843 | // A list-item cannot appear in more than one aligned clause. | ||||||||
17844 | if (const Expr *PrevRef = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addUniqueAligned(D, SimpleRefExpr)) { | ||||||||
17845 | Diag(ELoc, diag::err_omp_used_in_clause_twice) | ||||||||
17846 | << 0 << getOpenMPClauseName(OMPC_aligned) << ERange; | ||||||||
17847 | Diag(PrevRef->getExprLoc(), diag::note_omp_explicit_dsa) | ||||||||
17848 | << getOpenMPClauseName(OMPC_aligned); | ||||||||
17849 | continue; | ||||||||
17850 | } | ||||||||
17851 | |||||||||
17852 | DeclRefExpr *Ref = nullptr; | ||||||||
17853 | if (!VD && isOpenMPCapturedDecl(D)) | ||||||||
17854 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/true); | ||||||||
17855 | Vars.push_back(DefaultFunctionArrayConversion( | ||||||||
17856 | (VD || !Ref) ? RefExpr->IgnoreParens() : Ref) | ||||||||
17857 | .get()); | ||||||||
17858 | } | ||||||||
17859 | |||||||||
17860 | // OpenMP [2.8.1, simd construct, Description] | ||||||||
17861 | // The parameter of the aligned clause, alignment, must be a constant | ||||||||
17862 | // positive integer expression. | ||||||||
17863 | // If no optional parameter is specified, implementation-defined default | ||||||||
17864 | // alignments for SIMD instructions on the target platforms are assumed. | ||||||||
17865 | if (Alignment != nullptr) { | ||||||||
17866 | ExprResult AlignResult = | ||||||||
17867 | VerifyPositiveIntegerConstantInClause(Alignment, OMPC_aligned); | ||||||||
17868 | if (AlignResult.isInvalid()) | ||||||||
17869 | return nullptr; | ||||||||
17870 | Alignment = AlignResult.get(); | ||||||||
17871 | } | ||||||||
17872 | if (Vars.empty()) | ||||||||
17873 | return nullptr; | ||||||||
17874 | |||||||||
17875 | return OMPAlignedClause::Create(Context, StartLoc, LParenLoc, ColonLoc, | ||||||||
17876 | EndLoc, Vars, Alignment); | ||||||||
17877 | } | ||||||||
17878 | |||||||||
17879 | OMPClause *Sema::ActOnOpenMPCopyinClause(ArrayRef<Expr *> VarList, | ||||||||
17880 | SourceLocation StartLoc, | ||||||||
17881 | SourceLocation LParenLoc, | ||||||||
17882 | SourceLocation EndLoc) { | ||||||||
17883 | SmallVector<Expr *, 8> Vars; | ||||||||
17884 | SmallVector<Expr *, 8> SrcExprs; | ||||||||
17885 | SmallVector<Expr *, 8> DstExprs; | ||||||||
17886 | SmallVector<Expr *, 8> AssignmentOps; | ||||||||
17887 | for (Expr *RefExpr : VarList) { | ||||||||
17888 | assert(RefExpr && "NULL expr in OpenMP copyin clause.")((void)0); | ||||||||
17889 | if (isa<DependentScopeDeclRefExpr>(RefExpr)) { | ||||||||
17890 | // It will be analyzed later. | ||||||||
17891 | Vars.push_back(RefExpr); | ||||||||
17892 | SrcExprs.push_back(nullptr); | ||||||||
17893 | DstExprs.push_back(nullptr); | ||||||||
17894 | AssignmentOps.push_back(nullptr); | ||||||||
17895 | continue; | ||||||||
17896 | } | ||||||||
17897 | |||||||||
17898 | SourceLocation ELoc = RefExpr->getExprLoc(); | ||||||||
17899 | // OpenMP [2.1, C/C++] | ||||||||
17900 | // A list item is a variable name. | ||||||||
17901 | // OpenMP [2.14.4.1, Restrictions, p.1] | ||||||||
17902 | // A list item that appears in a copyin clause must be threadprivate. | ||||||||
17903 | auto *DE = dyn_cast<DeclRefExpr>(RefExpr); | ||||||||
17904 | if (!DE || !isa<VarDecl>(DE->getDecl())) { | ||||||||
17905 | Diag(ELoc, diag::err_omp_expected_var_name_member_expr) | ||||||||
17906 | << 0 << RefExpr->getSourceRange(); | ||||||||
17907 | continue; | ||||||||
17908 | } | ||||||||
17909 | |||||||||
17910 | Decl *D = DE->getDecl(); | ||||||||
17911 | auto *VD = cast<VarDecl>(D); | ||||||||
17912 | |||||||||
17913 | QualType Type = VD->getType(); | ||||||||
17914 | if (Type->isDependentType() || Type->isInstantiationDependentType()) { | ||||||||
17915 | // It will be analyzed later. | ||||||||
17916 | Vars.push_back(DE); | ||||||||
17917 | SrcExprs.push_back(nullptr); | ||||||||
17918 | DstExprs.push_back(nullptr); | ||||||||
17919 | AssignmentOps.push_back(nullptr); | ||||||||
17920 | continue; | ||||||||
17921 | } | ||||||||
17922 | |||||||||
17923 | // OpenMP [2.14.4.1, Restrictions, C/C++, p.1] | ||||||||
17924 | // A list item that appears in a copyin clause must be threadprivate. | ||||||||
17925 | if (!DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isThreadPrivate(VD)) { | ||||||||
17926 | Diag(ELoc, diag::err_omp_required_access) | ||||||||
17927 | << getOpenMPClauseName(OMPC_copyin) | ||||||||
17928 | << getOpenMPDirectiveName(OMPD_threadprivate); | ||||||||
17929 | continue; | ||||||||
17930 | } | ||||||||
17931 | |||||||||
17932 | // OpenMP [2.14.4.1, Restrictions, C/C++, p.2] | ||||||||
17933 | // A variable of class type (or array thereof) that appears in a | ||||||||
17934 | // copyin clause requires an accessible, unambiguous copy assignment | ||||||||
17935 | // operator for the class type. | ||||||||
17936 | QualType ElemType = Context.getBaseElementType(Type).getNonReferenceType(); | ||||||||
17937 | VarDecl *SrcVD = | ||||||||
17938 | buildVarDecl(*this, DE->getBeginLoc(), ElemType.getUnqualifiedType(), | ||||||||
17939 | ".copyin.src", VD->hasAttrs() ? &VD->getAttrs() : nullptr); | ||||||||
17940 | DeclRefExpr *PseudoSrcExpr = buildDeclRefExpr( | ||||||||
17941 | *this, SrcVD, ElemType.getUnqualifiedType(), DE->getExprLoc()); | ||||||||
17942 | VarDecl *DstVD = | ||||||||
17943 | buildVarDecl(*this, DE->getBeginLoc(), ElemType, ".copyin.dst", | ||||||||
17944 | VD->hasAttrs() ? &VD->getAttrs() : nullptr); | ||||||||
17945 | DeclRefExpr *PseudoDstExpr = | ||||||||
17946 | buildDeclRefExpr(*this, DstVD, ElemType, DE->getExprLoc()); | ||||||||
17947 | // For arrays generate assignment operation for single element and replace | ||||||||
17948 | // it by the original array element in CodeGen. | ||||||||
17949 | ExprResult AssignmentOp = | ||||||||
17950 | BuildBinOp(/*S=*/nullptr, DE->getExprLoc(), BO_Assign, PseudoDstExpr, | ||||||||
17951 | PseudoSrcExpr); | ||||||||
17952 | if (AssignmentOp.isInvalid()) | ||||||||
17953 | continue; | ||||||||
17954 | AssignmentOp = ActOnFinishFullExpr(AssignmentOp.get(), DE->getExprLoc(), | ||||||||
17955 | /*DiscardedValue*/ false); | ||||||||
17956 | if (AssignmentOp.isInvalid()) | ||||||||
17957 | continue; | ||||||||
17958 | |||||||||
17959 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(VD, DE, OMPC_copyin); | ||||||||
17960 | Vars.push_back(DE); | ||||||||
17961 | SrcExprs.push_back(PseudoSrcExpr); | ||||||||
17962 | DstExprs.push_back(PseudoDstExpr); | ||||||||
17963 | AssignmentOps.push_back(AssignmentOp.get()); | ||||||||
17964 | } | ||||||||
17965 | |||||||||
17966 | if (Vars.empty()) | ||||||||
17967 | return nullptr; | ||||||||
17968 | |||||||||
17969 | return OMPCopyinClause::Create(Context, StartLoc, LParenLoc, EndLoc, Vars, | ||||||||
17970 | SrcExprs, DstExprs, AssignmentOps); | ||||||||
17971 | } | ||||||||
17972 | |||||||||
17973 | OMPClause *Sema::ActOnOpenMPCopyprivateClause(ArrayRef<Expr *> VarList, | ||||||||
17974 | SourceLocation StartLoc, | ||||||||
17975 | SourceLocation LParenLoc, | ||||||||
17976 | SourceLocation EndLoc) { | ||||||||
17977 | SmallVector<Expr *, 8> Vars; | ||||||||
17978 | SmallVector<Expr *, 8> SrcExprs; | ||||||||
17979 | SmallVector<Expr *, 8> DstExprs; | ||||||||
17980 | SmallVector<Expr *, 8> AssignmentOps; | ||||||||
17981 | for (Expr *RefExpr : VarList) { | ||||||||
17982 | assert(RefExpr && "NULL expr in OpenMP linear clause.")((void)0); | ||||||||
17983 | SourceLocation ELoc; | ||||||||
17984 | SourceRange ERange; | ||||||||
17985 | Expr *SimpleRefExpr = RefExpr; | ||||||||
17986 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | ||||||||
17987 | if (Res.second) { | ||||||||
17988 | // It will be analyzed later. | ||||||||
17989 | Vars.push_back(RefExpr); | ||||||||
17990 | SrcExprs.push_back(nullptr); | ||||||||
17991 | DstExprs.push_back(nullptr); | ||||||||
17992 | AssignmentOps.push_back(nullptr); | ||||||||
17993 | } | ||||||||
17994 | ValueDecl *D = Res.first; | ||||||||
17995 | if (!D) | ||||||||
17996 | continue; | ||||||||
17997 | |||||||||
17998 | QualType Type = D->getType(); | ||||||||
17999 | auto *VD = dyn_cast<VarDecl>(D); | ||||||||
18000 | |||||||||
18001 | // OpenMP [2.14.4.2, Restrictions, p.2] | ||||||||
18002 | // A list item that appears in a copyprivate clause may not appear in a | ||||||||
18003 | // private or firstprivate clause on the single construct. | ||||||||
18004 | if (!VD || !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isThreadPrivate(VD)) { | ||||||||
18005 | DSAStackTy::DSAVarData DVar = | ||||||||
18006 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | ||||||||
18007 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_copyprivate && | ||||||||
18008 | DVar.RefExpr) { | ||||||||
18009 | Diag(ELoc, diag::err_omp_wrong_dsa) | ||||||||
18010 | << getOpenMPClauseName(DVar.CKind) | ||||||||
18011 | << getOpenMPClauseName(OMPC_copyprivate); | ||||||||
18012 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | ||||||||
18013 | continue; | ||||||||
18014 | } | ||||||||
18015 | |||||||||
18016 | // OpenMP [2.11.4.2, Restrictions, p.1] | ||||||||
18017 | // All list items that appear in a copyprivate clause must be either | ||||||||
18018 | // threadprivate or private in the enclosing context. | ||||||||
18019 | if (DVar.CKind == OMPC_unknown) { | ||||||||
18020 | DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getImplicitDSA(D, false); | ||||||||
18021 | if (DVar.CKind == OMPC_shared) { | ||||||||
18022 | Diag(ELoc, diag::err_omp_required_access) | ||||||||
18023 | << getOpenMPClauseName(OMPC_copyprivate) | ||||||||
18024 | << "threadprivate or private in the enclosing context"; | ||||||||
18025 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | ||||||||
18026 | continue; | ||||||||
18027 | } | ||||||||
18028 | } | ||||||||
18029 | } | ||||||||
18030 | |||||||||
18031 | // Variably modified types are not supported. | ||||||||
18032 | if (!Type->isAnyPointerType() && Type->isVariablyModifiedType()) { | ||||||||
18033 | Diag(ELoc, diag::err_omp_variably_modified_type_not_supported) | ||||||||
18034 | << getOpenMPClauseName(OMPC_copyprivate) << Type | ||||||||
18035 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); | ||||||||
18036 | bool IsDecl = | ||||||||
18037 | !VD || | ||||||||
18038 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | ||||||||
18039 | Diag(D->getLocation(), | ||||||||
18040 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | ||||||||
18041 | << D; | ||||||||
18042 | continue; | ||||||||
18043 | } | ||||||||
18044 | |||||||||
18045 | // OpenMP [2.14.4.1, Restrictions, C/C++, p.2] | ||||||||
18046 | // A variable of class type (or array thereof) that appears in a | ||||||||
18047 | // copyin clause requires an accessible, unambiguous copy assignment | ||||||||
18048 | // operator for the class type. | ||||||||
18049 | Type = Context.getBaseElementType(Type.getNonReferenceType()) | ||||||||
18050 | .getUnqualifiedType(); | ||||||||
18051 | VarDecl *SrcVD = | ||||||||
18052 | buildVarDecl(*this, RefExpr->getBeginLoc(), Type, ".copyprivate.src", | ||||||||
18053 | D->hasAttrs() ? &D->getAttrs() : nullptr); | ||||||||
18054 | DeclRefExpr *PseudoSrcExpr = buildDeclRefExpr(*this, SrcVD, Type, ELoc); | ||||||||
18055 | VarDecl *DstVD = | ||||||||
18056 | buildVarDecl(*this, RefExpr->getBeginLoc(), Type, ".copyprivate.dst", | ||||||||
18057 | D->hasAttrs() ? &D->getAttrs() : nullptr); | ||||||||
18058 | DeclRefExpr *PseudoDstExpr = buildDeclRefExpr(*this, DstVD, Type, ELoc); | ||||||||
18059 | ExprResult AssignmentOp = BuildBinOp( | ||||||||
18060 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurScope(), ELoc, BO_Assign, PseudoDstExpr, PseudoSrcExpr); | ||||||||
18061 | if (AssignmentOp.isInvalid()) | ||||||||
18062 | continue; | ||||||||
18063 | AssignmentOp = | ||||||||
18064 | ActOnFinishFullExpr(AssignmentOp.get(), ELoc, /*DiscardedValue*/ false); | ||||||||
18065 | if (AssignmentOp.isInvalid()) | ||||||||
18066 | continue; | ||||||||
18067 | |||||||||
18068 | // No need to mark vars as copyprivate, they are already threadprivate or | ||||||||
18069 | // implicitly private. | ||||||||
18070 | assert(VD || isOpenMPCapturedDecl(D))((void)0); | ||||||||
18071 | Vars.push_back( | ||||||||
18072 | VD ? RefExpr->IgnoreParens() | ||||||||
18073 | : buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/false)); | ||||||||
18074 | SrcExprs.push_back(PseudoSrcExpr); | ||||||||
18075 | DstExprs.push_back(PseudoDstExpr); | ||||||||
18076 | AssignmentOps.push_back(AssignmentOp.get()); | ||||||||
18077 | } | ||||||||
18078 | |||||||||
18079 | if (Vars.empty()) | ||||||||
18080 | return nullptr; | ||||||||
18081 | |||||||||
18082 | return OMPCopyprivateClause::Create(Context, StartLoc, LParenLoc, EndLoc, | ||||||||
18083 | Vars, SrcExprs, DstExprs, AssignmentOps); | ||||||||
18084 | } | ||||||||
18085 | |||||||||
18086 | OMPClause *Sema::ActOnOpenMPFlushClause(ArrayRef<Expr *> VarList, | ||||||||
18087 | SourceLocation StartLoc, | ||||||||
18088 | SourceLocation LParenLoc, | ||||||||
18089 | SourceLocation EndLoc) { | ||||||||
18090 | if (VarList.empty()) | ||||||||
18091 | return nullptr; | ||||||||
18092 | |||||||||
18093 | return OMPFlushClause::Create(Context, StartLoc, LParenLoc, EndLoc, VarList); | ||||||||
18094 | } | ||||||||
18095 | |||||||||
18096 | /// Tries to find omp_depend_t. type. | ||||||||
18097 | static bool findOMPDependT(Sema &S, SourceLocation Loc, DSAStackTy *Stack, | ||||||||
18098 | bool Diagnose = true) { | ||||||||
18099 | QualType OMPDependT = Stack->getOMPDependT(); | ||||||||
18100 | if (!OMPDependT.isNull()) | ||||||||
18101 | return true; | ||||||||
18102 | IdentifierInfo *II = &S.PP.getIdentifierTable().get("omp_depend_t"); | ||||||||
18103 | ParsedType PT = S.getTypeName(*II, Loc, S.getCurScope()); | ||||||||
18104 | if (!PT.getAsOpaquePtr() || PT.get().isNull()) { | ||||||||
18105 | if (Diagnose) | ||||||||
18106 | S.Diag(Loc, diag::err_omp_implied_type_not_found) << "omp_depend_t"; | ||||||||
18107 | return false; | ||||||||
18108 | } | ||||||||
18109 | Stack->setOMPDependT(PT.get()); | ||||||||
18110 | return true; | ||||||||
18111 | } | ||||||||
18112 | |||||||||
18113 | OMPClause *Sema::ActOnOpenMPDepobjClause(Expr *Depobj, SourceLocation StartLoc, | ||||||||
18114 | SourceLocation LParenLoc, | ||||||||
18115 | SourceLocation EndLoc) { | ||||||||
18116 | if (!Depobj) | ||||||||
18117 | return nullptr; | ||||||||
18118 | |||||||||
18119 | bool OMPDependTFound = findOMPDependT(*this, StartLoc, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )); | ||||||||
18120 | |||||||||
18121 | // OpenMP 5.0, 2.17.10.1 depobj Construct | ||||||||
18122 | // depobj is an lvalue expression of type omp_depend_t. | ||||||||
18123 | if (!Depobj->isTypeDependent() && !Depobj->isValueDependent() && | ||||||||
18124 | !Depobj->isInstantiationDependent() && | ||||||||
18125 | !Depobj->containsUnexpandedParameterPack() && | ||||||||
18126 | (OMPDependTFound && | ||||||||
18127 | !Context.typesAreCompatible(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPDependT(), Depobj->getType(), | ||||||||
18128 | /*CompareUnqualified=*/true))) { | ||||||||
18129 | Diag(Depobj->getExprLoc(), diag::err_omp_expected_omp_depend_t_lvalue) | ||||||||
18130 | << 0 << Depobj->getType() << Depobj->getSourceRange(); | ||||||||
18131 | } | ||||||||
18132 | |||||||||
18133 | if (!Depobj->isLValue()) { | ||||||||
18134 | Diag(Depobj->getExprLoc(), diag::err_omp_expected_omp_depend_t_lvalue) | ||||||||
18135 | << 1 << Depobj->getSourceRange(); | ||||||||
18136 | } | ||||||||
18137 | |||||||||
18138 | return OMPDepobjClause::Create(Context, StartLoc, LParenLoc, EndLoc, Depobj); | ||||||||
18139 | } | ||||||||
18140 | |||||||||
18141 | OMPClause * | ||||||||
18142 | Sema::ActOnOpenMPDependClause(Expr *DepModifier, OpenMPDependClauseKind DepKind, | ||||||||
18143 | SourceLocation DepLoc, SourceLocation ColonLoc, | ||||||||
18144 | ArrayRef<Expr *> VarList, SourceLocation StartLoc, | ||||||||
18145 | SourceLocation LParenLoc, SourceLocation EndLoc) { | ||||||||
18146 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_ordered && | ||||||||
18147 | DepKind != OMPC_DEPEND_source && DepKind != OMPC_DEPEND_sink) { | ||||||||
18148 | Diag(DepLoc, diag::err_omp_unexpected_clause_value) | ||||||||
18149 | << "'source' or 'sink'" << getOpenMPClauseName(OMPC_depend); | ||||||||
18150 | return nullptr; | ||||||||
18151 | } | ||||||||
18152 | if ((DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_ordered || | ||||||||
18153 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_depobj) && | ||||||||
18154 | (DepKind == OMPC_DEPEND_unknown || DepKind == OMPC_DEPEND_source || | ||||||||
18155 | DepKind == OMPC_DEPEND_sink || | ||||||||
18156 | ((LangOpts.OpenMP < 50 || | ||||||||
18157 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_depobj) && | ||||||||
18158 | DepKind == OMPC_DEPEND_depobj))) { | ||||||||
18159 | SmallVector<unsigned, 3> Except; | ||||||||
18160 | Except.push_back(OMPC_DEPEND_source); | ||||||||
18161 | Except.push_back(OMPC_DEPEND_sink); | ||||||||
18162 | if (LangOpts.OpenMP < 50 || DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_depobj) | ||||||||
18163 | Except.push_back(OMPC_DEPEND_depobj); | ||||||||
18164 | std::string Expected = (LangOpts.OpenMP >= 50 && !DepModifier) | ||||||||
18165 | ? "depend modifier(iterator) or " | ||||||||
18166 | : ""; | ||||||||
18167 | Diag(DepLoc, diag::err_omp_unexpected_clause_value) | ||||||||
18168 | << Expected + getListOfPossibleValues(OMPC_depend, /*First=*/0, | ||||||||
18169 | /*Last=*/OMPC_DEPEND_unknown, | ||||||||
18170 | Except) | ||||||||
18171 | << getOpenMPClauseName(OMPC_depend); | ||||||||
18172 | return nullptr; | ||||||||
18173 | } | ||||||||
18174 | if (DepModifier && | ||||||||
18175 | (DepKind == OMPC_DEPEND_source || DepKind == OMPC_DEPEND_sink)) { | ||||||||
18176 | Diag(DepModifier->getExprLoc(), | ||||||||
18177 | diag::err_omp_depend_sink_source_with_modifier); | ||||||||
18178 | return nullptr; | ||||||||
18179 | } | ||||||||
18180 | if (DepModifier && | ||||||||
18181 | !DepModifier->getType()->isSpecificBuiltinType(BuiltinType::OMPIterator)) | ||||||||
18182 | Diag(DepModifier->getExprLoc(), diag::err_omp_depend_modifier_not_iterator); | ||||||||
18183 | |||||||||
18184 | SmallVector<Expr *, 8> Vars; | ||||||||
18185 | DSAStackTy::OperatorOffsetTy OpsOffs; | ||||||||
18186 | llvm::APSInt DepCounter(/*BitWidth=*/32); | ||||||||
18187 | llvm::APSInt TotalDepCount(/*BitWidth=*/32); | ||||||||
18188 | if (DepKind == OMPC_DEPEND_sink || DepKind == OMPC_DEPEND_source) { | ||||||||
18189 | if (const Expr *OrderedCountExpr = | ||||||||
18190 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first) { | ||||||||
18191 | TotalDepCount = OrderedCountExpr->EvaluateKnownConstInt(Context); | ||||||||
18192 | TotalDepCount.setIsUnsigned(/*Val=*/true); | ||||||||
18193 | } | ||||||||
18194 | } | ||||||||
18195 | for (Expr *RefExpr : VarList) { | ||||||||
18196 | assert(RefExpr && "NULL expr in OpenMP shared clause.")((void)0); | ||||||||
18197 | if (isa<DependentScopeDeclRefExpr>(RefExpr)) { | ||||||||
18198 | // It will be analyzed later. | ||||||||
18199 | Vars.push_back(RefExpr); | ||||||||
18200 | continue; | ||||||||
18201 | } | ||||||||
18202 | |||||||||
18203 | SourceLocation ELoc = RefExpr->getExprLoc(); | ||||||||
18204 | Expr *SimpleExpr = RefExpr->IgnoreParenCasts(); | ||||||||
18205 | if (DepKind == OMPC_DEPEND_sink) { | ||||||||
18206 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first && | ||||||||
18207 | DepCounter >= TotalDepCount) { | ||||||||
18208 | Diag(ELoc, diag::err_omp_depend_sink_unexpected_expr); | ||||||||
18209 | continue; | ||||||||
18210 | } | ||||||||
18211 | ++DepCounter; | ||||||||
18212 | // OpenMP [2.13.9, Summary] | ||||||||
18213 | // depend(dependence-type : vec), where dependence-type is: | ||||||||
18214 | // 'sink' and where vec is the iteration vector, which has the form: | ||||||||
18215 | // x1 [+- d1], x2 [+- d2 ], . . . , xn [+- dn] | ||||||||
18216 | // where n is the value specified by the ordered clause in the loop | ||||||||
18217 | // directive, xi denotes the loop iteration variable of the i-th nested | ||||||||
18218 | // loop associated with the loop directive, and di is a constant | ||||||||
18219 | // non-negative integer. | ||||||||
18220 | if (CurContext->isDependentContext()) { | ||||||||
18221 | // It will be analyzed later. | ||||||||
18222 | Vars.push_back(RefExpr); | ||||||||
18223 | continue; | ||||||||
18224 | } | ||||||||
18225 | SimpleExpr = SimpleExpr->IgnoreImplicit(); | ||||||||
18226 | OverloadedOperatorKind OOK = OO_None; | ||||||||
18227 | SourceLocation OOLoc; | ||||||||
18228 | Expr *LHS = SimpleExpr; | ||||||||
18229 | Expr *RHS = nullptr; | ||||||||
18230 | if (auto *BO = dyn_cast<BinaryOperator>(SimpleExpr)) { | ||||||||
18231 | OOK = BinaryOperator::getOverloadedOperator(BO->getOpcode()); | ||||||||
18232 | OOLoc = BO->getOperatorLoc(); | ||||||||
18233 | LHS = BO->getLHS()->IgnoreParenImpCasts(); | ||||||||
18234 | RHS = BO->getRHS()->IgnoreParenImpCasts(); | ||||||||
18235 | } else if (auto *OCE = dyn_cast<CXXOperatorCallExpr>(SimpleExpr)) { | ||||||||
18236 | OOK = OCE->getOperator(); | ||||||||
18237 | OOLoc = OCE->getOperatorLoc(); | ||||||||
18238 | LHS = OCE->getArg(/*Arg=*/0)->IgnoreParenImpCasts(); | ||||||||
18239 | RHS = OCE->getArg(/*Arg=*/1)->IgnoreParenImpCasts(); | ||||||||
18240 | } else if (auto *MCE = dyn_cast<CXXMemberCallExpr>(SimpleExpr)) { | ||||||||
18241 | OOK = MCE->getMethodDecl() | ||||||||
18242 | ->getNameInfo() | ||||||||
18243 | .getName() | ||||||||
18244 | .getCXXOverloadedOperator(); | ||||||||
18245 | OOLoc = MCE->getCallee()->getExprLoc(); | ||||||||
18246 | LHS = MCE->getImplicitObjectArgument()->IgnoreParenImpCasts(); | ||||||||
18247 | RHS = MCE->getArg(/*Arg=*/0)->IgnoreParenImpCasts(); | ||||||||
18248 | } | ||||||||
18249 | SourceLocation ELoc; | ||||||||
18250 | SourceRange ERange; | ||||||||
18251 | auto Res = getPrivateItem(*this, LHS, ELoc, ERange); | ||||||||
18252 | if (Res.second) { | ||||||||
18253 | // It will be analyzed later. | ||||||||
18254 | Vars.push_back(RefExpr); | ||||||||
18255 | } | ||||||||
18256 | ValueDecl *D = Res.first; | ||||||||
18257 | if (!D) | ||||||||
18258 | continue; | ||||||||
18259 | |||||||||
18260 | if (OOK != OO_Plus && OOK != OO_Minus && (RHS || OOK != OO_None)) { | ||||||||
18261 | Diag(OOLoc, diag::err_omp_depend_sink_expected_plus_minus); | ||||||||
18262 | continue; | ||||||||
18263 | } | ||||||||
18264 | if (RHS) { | ||||||||
18265 | ExprResult RHSRes = VerifyPositiveIntegerConstantInClause( | ||||||||
18266 | RHS, OMPC_depend, /*StrictlyPositive=*/false); | ||||||||
18267 | if (RHSRes.isInvalid()) | ||||||||
18268 | continue; | ||||||||
18269 | } | ||||||||
18270 | if (!CurContext->isDependentContext() && | ||||||||
18271 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first && | ||||||||
18272 | DepCounter != DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentLoopControlVariable(D).first) { | ||||||||
18273 | const ValueDecl *VD = | ||||||||
18274 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentLoopControlVariable(DepCounter.getZExtValue()); | ||||||||
18275 | if (VD) | ||||||||
18276 | Diag(ELoc, diag::err_omp_depend_sink_expected_loop_iteration) | ||||||||
18277 | << 1 << VD; | ||||||||
18278 | else | ||||||||
18279 | Diag(ELoc, diag::err_omp_depend_sink_expected_loop_iteration) << 0; | ||||||||
18280 | continue; | ||||||||
18281 | } | ||||||||
18282 | OpsOffs.emplace_back(RHS, OOK); | ||||||||
18283 | } else { | ||||||||
18284 | bool OMPDependTFound = LangOpts.OpenMP >= 50; | ||||||||
18285 | if (OMPDependTFound) | ||||||||
18286 | OMPDependTFound = findOMPDependT(*this, StartLoc, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | ||||||||
18287 | DepKind == OMPC_DEPEND_depobj); | ||||||||
18288 | if (DepKind == OMPC_DEPEND_depobj) { | ||||||||
18289 | // OpenMP 5.0, 2.17.11 depend Clause, Restrictions, C/C++ | ||||||||
18290 | // List items used in depend clauses with the depobj dependence type | ||||||||
18291 | // must be expressions of the omp_depend_t type. | ||||||||
18292 | if (!RefExpr->isValueDependent() && !RefExpr->isTypeDependent() && | ||||||||
18293 | !RefExpr->isInstantiationDependent() && | ||||||||
18294 | !RefExpr->containsUnexpandedParameterPack() && | ||||||||
18295 | (OMPDependTFound && | ||||||||
18296 | !Context.hasSameUnqualifiedType(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPDependT(), | ||||||||
18297 | RefExpr->getType()))) { | ||||||||
18298 | Diag(ELoc, diag::err_omp_expected_omp_depend_t_lvalue) | ||||||||
18299 | << 0 << RefExpr->getType() << RefExpr->getSourceRange(); | ||||||||
18300 | continue; | ||||||||
18301 | } | ||||||||
18302 | if (!RefExpr->isLValue()) { | ||||||||
18303 | Diag(ELoc, diag::err_omp_expected_omp_depend_t_lvalue) | ||||||||
18304 | << 1 << RefExpr->getType() << RefExpr->getSourceRange(); | ||||||||
18305 | continue; | ||||||||
18306 | } | ||||||||
18307 | } else { | ||||||||
18308 | // OpenMP 5.0 [2.17.11, Restrictions] | ||||||||
18309 | // List items used in depend clauses cannot be zero-length array | ||||||||
18310 | // sections. | ||||||||
18311 | QualType ExprTy = RefExpr->getType().getNonReferenceType(); | ||||||||
18312 | const auto *OASE = dyn_cast<OMPArraySectionExpr>(SimpleExpr); | ||||||||
18313 | if (OASE) { | ||||||||
18314 | QualType BaseType = | ||||||||
18315 | OMPArraySectionExpr::getBaseOriginalType(OASE->getBase()); | ||||||||
18316 | if (const auto *ATy = BaseType->getAsArrayTypeUnsafe()) | ||||||||
18317 | ExprTy = ATy->getElementType(); | ||||||||
18318 | else | ||||||||
18319 | ExprTy = BaseType->getPointeeType(); | ||||||||
18320 | ExprTy = ExprTy.getNonReferenceType(); | ||||||||
18321 | const Expr *Length = OASE->getLength(); | ||||||||
18322 | Expr::EvalResult Result; | ||||||||
18323 | if (Length && !Length->isValueDependent() && | ||||||||
18324 | Length->EvaluateAsInt(Result, Context) && | ||||||||
18325 | Result.Val.getInt().isNullValue()) { | ||||||||
18326 | Diag(ELoc, | ||||||||
18327 | diag::err_omp_depend_zero_length_array_section_not_allowed) | ||||||||
18328 | << SimpleExpr->getSourceRange(); | ||||||||
18329 | continue; | ||||||||
18330 | } | ||||||||
18331 | } | ||||||||
18332 | |||||||||
18333 | // OpenMP 5.0, 2.17.11 depend Clause, Restrictions, C/C++ | ||||||||
18334 | // List items used in depend clauses with the in, out, inout or | ||||||||
18335 | // mutexinoutset dependence types cannot be expressions of the | ||||||||
18336 | // omp_depend_t type. | ||||||||
18337 | if (!RefExpr->isValueDependent() && !RefExpr->isTypeDependent() && | ||||||||
18338 | !RefExpr->isInstantiationDependent() && | ||||||||
18339 | !RefExpr->containsUnexpandedParameterPack() && | ||||||||
18340 | (OMPDependTFound && | ||||||||
18341 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPDependT().getTypePtr() == ExprTy.getTypePtr())) { | ||||||||
18342 | Diag(ELoc, diag::err_omp_expected_addressable_lvalue_or_array_item) | ||||||||
18343 | << (LangOpts.OpenMP >= 50 ? 1 : 0) << 1 | ||||||||
18344 | << RefExpr->getSourceRange(); | ||||||||
18345 | continue; | ||||||||
18346 | } | ||||||||
18347 | |||||||||
18348 | auto *ASE = dyn_cast<ArraySubscriptExpr>(SimpleExpr); | ||||||||
18349 | if (!RefExpr->IgnoreParenImpCasts()->isLValue() || | ||||||||
18350 | (ASE && !ASE->getBase()->isTypeDependent() && | ||||||||
18351 | !ASE->getBase() | ||||||||
18352 | ->getType() | ||||||||
18353 | .getNonReferenceType() | ||||||||
18354 | ->isPointerType() && | ||||||||
18355 | !ASE->getBase()->getType().getNonReferenceType()->isArrayType())) { | ||||||||
18356 | Diag(ELoc, diag::err_omp_expected_addressable_lvalue_or_array_item) | ||||||||
18357 | << (LangOpts.OpenMP >= 50 ? 1 : 0) | ||||||||
18358 | << (LangOpts.OpenMP >= 50 ? 1 : 0) << RefExpr->getSourceRange(); | ||||||||
18359 | continue; | ||||||||
18360 | } | ||||||||
18361 | |||||||||
18362 | ExprResult Res; | ||||||||
18363 | { | ||||||||
18364 | Sema::TentativeAnalysisScope Trap(*this); | ||||||||
18365 | Res = CreateBuiltinUnaryOp(ELoc, UO_AddrOf, | ||||||||
18366 | RefExpr->IgnoreParenImpCasts()); | ||||||||
18367 | } | ||||||||
18368 | if (!Res.isUsable() && !isa<OMPArraySectionExpr>(SimpleExpr) && | ||||||||
18369 | !isa<OMPArrayShapingExpr>(SimpleExpr)) { | ||||||||
18370 | Diag(ELoc, diag::err_omp_expected_addressable_lvalue_or_array_item) | ||||||||
18371 | << (LangOpts.OpenMP >= 50 ? 1 : 0) | ||||||||
18372 | << (LangOpts.OpenMP >= 50 ? 1 : 0) << RefExpr->getSourceRange(); | ||||||||
18373 | continue; | ||||||||
18374 | } | ||||||||
18375 | } | ||||||||
18376 | } | ||||||||
18377 | Vars.push_back(RefExpr->IgnoreParenImpCasts()); | ||||||||
18378 | } | ||||||||
18379 | |||||||||
18380 | if (!CurContext->isDependentContext() && DepKind == OMPC_DEPEND_sink && | ||||||||
18381 | TotalDepCount > VarList.size() && | ||||||||
18382 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam().first && | ||||||||
18383 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentLoopControlVariable(VarList.size() + 1)) { | ||||||||
18384 | Diag(EndLoc, diag::err_omp_depend_sink_expected_loop_iteration) | ||||||||
18385 | << 1 << DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentLoopControlVariable(VarList.size() + 1); | ||||||||
18386 | } | ||||||||
18387 | if (DepKind != OMPC_DEPEND_source && DepKind != OMPC_DEPEND_sink && | ||||||||
18388 | Vars.empty()) | ||||||||
18389 | return nullptr; | ||||||||
18390 | |||||||||
18391 | auto *C = OMPDependClause::Create(Context, StartLoc, LParenLoc, EndLoc, | ||||||||
18392 | DepModifier, DepKind, DepLoc, ColonLoc, | ||||||||
18393 | Vars, TotalDepCount.getZExtValue()); | ||||||||
18394 | if ((DepKind == OMPC_DEPEND_sink || DepKind == OMPC_DEPEND_source) && | ||||||||
18395 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentOrderedRegion()) | ||||||||
18396 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDoacrossDependClause(C, OpsOffs); | ||||||||
18397 | return C; | ||||||||
18398 | } | ||||||||
18399 | |||||||||
18400 | OMPClause *Sema::ActOnOpenMPDeviceClause(OpenMPDeviceClauseModifier Modifier, | ||||||||
18401 | Expr *Device, SourceLocation StartLoc, | ||||||||
18402 | SourceLocation LParenLoc, | ||||||||
18403 | SourceLocation ModifierLoc, | ||||||||
18404 | SourceLocation EndLoc) { | ||||||||
18405 | assert((ModifierLoc.isInvalid() || LangOpts.OpenMP >= 50) &&((void)0) | ||||||||
18406 | "Unexpected device modifier in OpenMP < 50.")((void)0); | ||||||||
18407 | |||||||||
18408 | bool ErrorFound = false; | ||||||||
18409 | if (ModifierLoc.isValid() && Modifier == OMPC_DEVICE_unknown) { | ||||||||
18410 | std::string Values = | ||||||||
18411 | getListOfPossibleValues(OMPC_device, /*First=*/0, OMPC_DEVICE_unknown); | ||||||||
18412 | Diag(ModifierLoc, diag::err_omp_unexpected_clause_value) | ||||||||
18413 | << Values << getOpenMPClauseName(OMPC_device); | ||||||||
18414 | ErrorFound = true; | ||||||||
18415 | } | ||||||||
18416 | |||||||||
18417 | Expr *ValExpr = Device; | ||||||||
18418 | Stmt *HelperValStmt = nullptr; | ||||||||
18419 | |||||||||
18420 | // OpenMP [2.9.1, Restrictions] | ||||||||
18421 | // The device expression must evaluate to a non-negative integer value. | ||||||||
18422 | ErrorFound = !isNonNegativeIntegerValue(ValExpr, *this, OMPC_device, | ||||||||
18423 | /*StrictlyPositive=*/false) || | ||||||||
18424 | ErrorFound; | ||||||||
18425 | if (ErrorFound) | ||||||||
18426 | return nullptr; | ||||||||
18427 | |||||||||
18428 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | ||||||||
18429 | OpenMPDirectiveKind CaptureRegion = | ||||||||
18430 | getOpenMPCaptureRegionForClause(DKind, OMPC_device, LangOpts.OpenMP); | ||||||||
18431 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { | ||||||||
18432 | ValExpr = MakeFullExpr(ValExpr).get(); | ||||||||
18433 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | ||||||||
18434 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | ||||||||
18435 | HelperValStmt = buildPreInits(Context, Captures); | ||||||||
18436 | } | ||||||||
18437 | |||||||||
18438 | return new (Context) | ||||||||
18439 | OMPDeviceClause(Modifier, ValExpr, HelperValStmt, CaptureRegion, StartLoc, | ||||||||
18440 | LParenLoc, ModifierLoc, EndLoc); | ||||||||
18441 | } | ||||||||
18442 | |||||||||
18443 | static bool checkTypeMappable(SourceLocation SL, SourceRange SR, Sema &SemaRef, | ||||||||
18444 | DSAStackTy *Stack, QualType QTy, | ||||||||
18445 | bool FullCheck = true) { | ||||||||
18446 | NamedDecl *ND; | ||||||||
18447 | if (QTy->isIncompleteType(&ND)) { | ||||||||
18448 | SemaRef.Diag(SL, diag::err_incomplete_type) << QTy << SR; | ||||||||
18449 | return false; | ||||||||
18450 | } | ||||||||
18451 | if (FullCheck && !SemaRef.CurContext->isDependentContext() && | ||||||||
18452 | !QTy.isTriviallyCopyableType(SemaRef.Context)) | ||||||||
18453 | SemaRef.Diag(SL, diag::warn_omp_non_trivial_type_mapped) << QTy << SR; | ||||||||
18454 | return true; | ||||||||
18455 | } | ||||||||
18456 | |||||||||
18457 | /// Return true if it can be proven that the provided array expression | ||||||||
18458 | /// (array section or array subscript) does NOT specify the whole size of the | ||||||||
18459 | /// array whose base type is \a BaseQTy. | ||||||||
18460 | static bool checkArrayExpressionDoesNotReferToWholeSize(Sema &SemaRef, | ||||||||
18461 | const Expr *E, | ||||||||
18462 | QualType BaseQTy) { | ||||||||
18463 | const auto *OASE = dyn_cast<OMPArraySectionExpr>(E); | ||||||||
18464 | |||||||||
18465 | // If this is an array subscript, it refers to the whole size if the size of | ||||||||
18466 | // the dimension is constant and equals 1. Also, an array section assumes the | ||||||||
18467 | // format of an array subscript if no colon is used. | ||||||||
18468 | if (isa<ArraySubscriptExpr>(E) || | ||||||||
18469 | (OASE && OASE->getColonLocFirst().isInvalid())) { | ||||||||
18470 | if (const auto *ATy = dyn_cast<ConstantArrayType>(BaseQTy.getTypePtr())) | ||||||||
18471 | return ATy->getSize().getSExtValue() != 1; | ||||||||
18472 | // Size can't be evaluated statically. | ||||||||
18473 | return false; | ||||||||
18474 | } | ||||||||
18475 | |||||||||
18476 | assert(OASE && "Expecting array section if not an array subscript.")((void)0); | ||||||||
18477 | const Expr *LowerBound = OASE->getLowerBound(); | ||||||||
18478 | const Expr *Length = OASE->getLength(); | ||||||||
18479 | |||||||||
18480 | // If there is a lower bound that does not evaluates to zero, we are not | ||||||||
18481 | // covering the whole dimension. | ||||||||
18482 | if (LowerBound) { | ||||||||
18483 | Expr::EvalResult Result; | ||||||||
18484 | if (!LowerBound->EvaluateAsInt(Result, SemaRef.getASTContext())) | ||||||||
18485 | return false; // Can't get the integer value as a constant. | ||||||||
18486 | |||||||||
18487 | llvm::APSInt ConstLowerBound = Result.Val.getInt(); | ||||||||
18488 | if (ConstLowerBound.getSExtValue()) | ||||||||
18489 | return true; | ||||||||
18490 | } | ||||||||
18491 | |||||||||
18492 | // If we don't have a length we covering the whole dimension. | ||||||||
18493 | if (!Length) | ||||||||
18494 | return false; | ||||||||
18495 | |||||||||
18496 | // If the base is a pointer, we don't have a way to get the size of the | ||||||||
18497 | // pointee. | ||||||||
18498 | if (BaseQTy->isPointerType()) | ||||||||
18499 | return false; | ||||||||
18500 | |||||||||
18501 | // We can only check if the length is the same as the size of the dimension | ||||||||
18502 | // if we have a constant array. | ||||||||
18503 | const auto *CATy = dyn_cast<ConstantArrayType>(BaseQTy.getTypePtr()); | ||||||||
18504 | if (!CATy) | ||||||||
18505 | return false; | ||||||||
18506 | |||||||||
18507 | Expr::EvalResult Result; | ||||||||
18508 | if (!Length->EvaluateAsInt(Result, SemaRef.getASTContext())) | ||||||||
18509 | return false; // Can't get the integer value as a constant. | ||||||||
18510 | |||||||||
18511 | llvm::APSInt ConstLength = Result.Val.getInt(); | ||||||||
18512 | return CATy->getSize().getSExtValue() != ConstLength.getSExtValue(); | ||||||||
18513 | } | ||||||||
18514 | |||||||||
18515 | // Return true if it can be proven that the provided array expression (array | ||||||||
18516 | // section or array subscript) does NOT specify a single element of the array | ||||||||
18517 | // whose base type is \a BaseQTy. | ||||||||
18518 | static bool checkArrayExpressionDoesNotReferToUnitySize(Sema &SemaRef, | ||||||||
18519 | const Expr *E, | ||||||||
18520 | QualType BaseQTy) { | ||||||||
18521 | const auto *OASE = dyn_cast<OMPArraySectionExpr>(E); | ||||||||
18522 | |||||||||
18523 | // An array subscript always refer to a single element. Also, an array section | ||||||||
18524 | // assumes the format of an array subscript if no colon is used. | ||||||||
18525 | if (isa<ArraySubscriptExpr>(E) || | ||||||||
18526 | (OASE && OASE->getColonLocFirst().isInvalid())) | ||||||||
18527 | return false; | ||||||||
18528 | |||||||||
18529 | assert(OASE && "Expecting array section if not an array subscript.")((void)0); | ||||||||
18530 | const Expr *Length = OASE->getLength(); | ||||||||
18531 | |||||||||
18532 | // If we don't have a length we have to check if the array has unitary size | ||||||||
18533 | // for this dimension. Also, we should always expect a length if the base type | ||||||||
18534 | // is pointer. | ||||||||
18535 | if (!Length) { | ||||||||
18536 | if (const auto *ATy = dyn_cast<ConstantArrayType>(BaseQTy.getTypePtr())) | ||||||||
18537 | return ATy->getSize().getSExtValue() != 1; | ||||||||
18538 | // We cannot assume anything. | ||||||||
18539 | return false; | ||||||||
18540 | } | ||||||||
18541 | |||||||||
18542 | // Check if the length evaluates to 1. | ||||||||
18543 | Expr::EvalResult Result; | ||||||||
18544 | if (!Length->EvaluateAsInt(Result, SemaRef.getASTContext())) | ||||||||
18545 | return false; // Can't get the integer value as a constant. | ||||||||
18546 | |||||||||
18547 | llvm::APSInt ConstLength = Result.Val.getInt(); | ||||||||
18548 | return ConstLength.getSExtValue() != 1; | ||||||||
18549 | } | ||||||||
18550 | |||||||||
18551 | // The base of elements of list in a map clause have to be either: | ||||||||
18552 | // - a reference to variable or field. | ||||||||
18553 | // - a member expression. | ||||||||
18554 | // - an array expression. | ||||||||
18555 | // | ||||||||
18556 | // E.g. if we have the expression 'r.S.Arr[:12]', we want to retrieve the | ||||||||
18557 | // reference to 'r'. | ||||||||
18558 | // | ||||||||
18559 | // If we have: | ||||||||
18560 | // | ||||||||
18561 | // struct SS { | ||||||||
18562 | // Bla S; | ||||||||
18563 | // foo() { | ||||||||
18564 | // #pragma omp target map (S.Arr[:12]); | ||||||||
18565 | // } | ||||||||
18566 | // } | ||||||||
18567 | // | ||||||||
18568 | // We want to retrieve the member expression 'this->S'; | ||||||||
18569 | |||||||||
18570 | // OpenMP 5.0 [2.19.7.1, map Clause, Restrictions, p.2] | ||||||||
18571 | // If a list item is an array section, it must specify contiguous storage. | ||||||||
18572 | // | ||||||||
18573 | // For this restriction it is sufficient that we make sure only references | ||||||||
18574 | // to variables or fields and array expressions, and that no array sections | ||||||||
18575 | // exist except in the rightmost expression (unless they cover the whole | ||||||||
18576 | // dimension of the array). E.g. these would be invalid: | ||||||||
18577 | // | ||||||||
18578 | // r.ArrS[3:5].Arr[6:7] | ||||||||
18579 | // | ||||||||
18580 | // r.ArrS[3:5].x | ||||||||
18581 | // | ||||||||
18582 | // but these would be valid: | ||||||||
18583 | // r.ArrS[3].Arr[6:7] | ||||||||
18584 | // | ||||||||
18585 | // r.ArrS[3].x | ||||||||
18586 | namespace { | ||||||||
18587 | class MapBaseChecker final : public StmtVisitor<MapBaseChecker, bool> { | ||||||||
18588 | Sema &SemaRef; | ||||||||
18589 | OpenMPClauseKind CKind = OMPC_unknown; | ||||||||
18590 | OpenMPDirectiveKind DKind = OMPD_unknown; | ||||||||
18591 | OMPClauseMappableExprCommon::MappableExprComponentList &Components; | ||||||||
18592 | bool IsNonContiguous = false; | ||||||||
18593 | bool NoDiagnose = false; | ||||||||
18594 | const Expr *RelevantExpr = nullptr; | ||||||||
18595 | bool AllowUnitySizeArraySection = true; | ||||||||
18596 | bool AllowWholeSizeArraySection = true; | ||||||||
18597 | bool AllowAnotherPtr = true; | ||||||||
18598 | SourceLocation ELoc; | ||||||||
18599 | SourceRange ERange; | ||||||||
18600 | |||||||||
18601 | void emitErrorMsg() { | ||||||||
18602 | // If nothing else worked, this is not a valid map clause expression. | ||||||||
18603 | if (SemaRef.getLangOpts().OpenMP < 50) { | ||||||||
18604 | SemaRef.Diag(ELoc, | ||||||||
18605 | diag::err_omp_expected_named_var_member_or_array_expression) | ||||||||
18606 | << ERange; | ||||||||
18607 | } else { | ||||||||
18608 | SemaRef.Diag(ELoc, diag::err_omp_non_lvalue_in_map_or_motion_clauses) | ||||||||
18609 | << getOpenMPClauseName(CKind) << ERange; | ||||||||
18610 | } | ||||||||
18611 | } | ||||||||
18612 | |||||||||
18613 | public: | ||||||||
18614 | bool VisitDeclRefExpr(DeclRefExpr *DRE) { | ||||||||
18615 | if (!isa<VarDecl>(DRE->getDecl())) { | ||||||||
18616 | emitErrorMsg(); | ||||||||
18617 | return false; | ||||||||
18618 | } | ||||||||
18619 | assert(!RelevantExpr && "RelevantExpr is expected to be nullptr")((void)0); | ||||||||
18620 | RelevantExpr = DRE; | ||||||||
18621 | // Record the component. | ||||||||
18622 | Components.emplace_back(DRE, DRE->getDecl(), IsNonContiguous); | ||||||||
18623 | return true; | ||||||||
18624 | } | ||||||||
18625 | |||||||||
18626 | bool VisitMemberExpr(MemberExpr *ME) { | ||||||||
18627 | Expr *E = ME; | ||||||||
18628 | Expr *BaseE = ME->getBase()->IgnoreParenCasts(); | ||||||||
18629 | |||||||||
18630 | if (isa<CXXThisExpr>(BaseE)) { | ||||||||
18631 | assert(!RelevantExpr && "RelevantExpr is expected to be nullptr")((void)0); | ||||||||
18632 | // We found a base expression: this->Val. | ||||||||
18633 | RelevantExpr = ME; | ||||||||
18634 | } else { | ||||||||
18635 | E = BaseE; | ||||||||
18636 | } | ||||||||
18637 | |||||||||
18638 | if (!isa<FieldDecl>(ME->getMemberDecl())) { | ||||||||
18639 | if (!NoDiagnose) { | ||||||||
18640 | SemaRef.Diag(ELoc, diag::err_omp_expected_access_to_data_field) | ||||||||
18641 | << ME->getSourceRange(); | ||||||||
18642 | return false; | ||||||||
18643 | } | ||||||||
18644 | if (RelevantExpr) | ||||||||
18645 | return false; | ||||||||
18646 | return Visit(E); | ||||||||
18647 | } | ||||||||
18648 | |||||||||
18649 | auto *FD = cast<FieldDecl>(ME->getMemberDecl()); | ||||||||
18650 | |||||||||
18651 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C/C++, p.3] | ||||||||
18652 | // A bit-field cannot appear in a map clause. | ||||||||
18653 | // | ||||||||
18654 | if (FD->isBitField()) { | ||||||||
18655 | if (!NoDiagnose) { | ||||||||
18656 | SemaRef.Diag(ELoc, diag::err_omp_bit_fields_forbidden_in_clause) | ||||||||
18657 | << ME->getSourceRange() << getOpenMPClauseName(CKind); | ||||||||
18658 | return false; | ||||||||
18659 | } | ||||||||
18660 | if (RelevantExpr) | ||||||||
18661 | return false; | ||||||||
18662 | return Visit(E); | ||||||||
18663 | } | ||||||||
18664 | |||||||||
18665 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C++, p.1] | ||||||||
18666 | // If the type of a list item is a reference to a type T then the type | ||||||||
18667 | // will be considered to be T for all purposes of this clause. | ||||||||
18668 | QualType CurType = BaseE->getType().getNonReferenceType(); | ||||||||
18669 | |||||||||
18670 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C/C++, p.2] | ||||||||
18671 | // A list item cannot be a variable that is a member of a structure with | ||||||||
18672 | // a union type. | ||||||||
18673 | // | ||||||||
18674 | if (CurType->isUnionType()) { | ||||||||
18675 | if (!NoDiagnose) { | ||||||||
18676 | SemaRef.Diag(ELoc, diag::err_omp_union_type_not_allowed) | ||||||||
18677 | << ME->getSourceRange(); | ||||||||
18678 | return false; | ||||||||
18679 | } | ||||||||
18680 | return RelevantExpr || Visit(E); | ||||||||
18681 | } | ||||||||
18682 | |||||||||
18683 | // If we got a member expression, we should not expect any array section | ||||||||
18684 | // before that: | ||||||||
18685 | // | ||||||||
18686 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.7] | ||||||||
18687 | // If a list item is an element of a structure, only the rightmost symbol | ||||||||
18688 | // of the variable reference can be an array section. | ||||||||
18689 | // | ||||||||
18690 | AllowUnitySizeArraySection = false; | ||||||||
18691 | AllowWholeSizeArraySection = false; | ||||||||
18692 | |||||||||
18693 | // Record the component. | ||||||||
18694 | Components.emplace_back(ME, FD, IsNonContiguous); | ||||||||
18695 | return RelevantExpr || Visit(E); | ||||||||
18696 | } | ||||||||
18697 | |||||||||
18698 | bool VisitArraySubscriptExpr(ArraySubscriptExpr *AE) { | ||||||||
18699 | Expr *E = AE->getBase()->IgnoreParenImpCasts(); | ||||||||
18700 | |||||||||
18701 | if (!E->getType()->isAnyPointerType() && !E->getType()->isArrayType()) { | ||||||||
18702 | if (!NoDiagnose) { | ||||||||
18703 | SemaRef.Diag(ELoc, diag::err_omp_expected_base_var_name) | ||||||||
18704 | << 0 << AE->getSourceRange(); | ||||||||
18705 | return false; | ||||||||
18706 | } | ||||||||
18707 | return RelevantExpr || Visit(E); | ||||||||
18708 | } | ||||||||
18709 | |||||||||
18710 | // If we got an array subscript that express the whole dimension we | ||||||||
18711 | // can have any array expressions before. If it only expressing part of | ||||||||
18712 | // the dimension, we can only have unitary-size array expressions. | ||||||||
18713 | if (checkArrayExpressionDoesNotReferToWholeSize(SemaRef, AE, | ||||||||
18714 | E->getType())) | ||||||||
18715 | AllowWholeSizeArraySection = false; | ||||||||
18716 | |||||||||
18717 | if (const auto *TE = dyn_cast<CXXThisExpr>(E->IgnoreParenCasts())) { | ||||||||
18718 | Expr::EvalResult Result; | ||||||||
18719 | if (!AE->getIdx()->isValueDependent() && | ||||||||
18720 | AE->getIdx()->EvaluateAsInt(Result, SemaRef.getASTContext()) && | ||||||||
18721 | !Result.Val.getInt().isNullValue()) { | ||||||||
18722 | SemaRef.Diag(AE->getIdx()->getExprLoc(), | ||||||||
18723 | diag::err_omp_invalid_map_this_expr); | ||||||||
18724 | SemaRef.Diag(AE->getIdx()->getExprLoc(), | ||||||||
18725 | diag::note_omp_invalid_subscript_on_this_ptr_map); | ||||||||
18726 | } | ||||||||
18727 | assert(!RelevantExpr && "RelevantExpr is expected to be nullptr")((void)0); | ||||||||
18728 | RelevantExpr = TE; | ||||||||
18729 | } | ||||||||
18730 | |||||||||
18731 | // Record the component - we don't have any declaration associated. | ||||||||
18732 | Components.emplace_back(AE, nullptr, IsNonContiguous); | ||||||||
18733 | |||||||||
18734 | return RelevantExpr || Visit(E); | ||||||||
18735 | } | ||||||||
18736 | |||||||||
18737 | bool VisitOMPArraySectionExpr(OMPArraySectionExpr *OASE) { | ||||||||
18738 | assert(!NoDiagnose && "Array sections cannot be implicitly mapped.")((void)0); | ||||||||
18739 | Expr *E = OASE->getBase()->IgnoreParenImpCasts(); | ||||||||
18740 | QualType CurType = | ||||||||
18741 | OMPArraySectionExpr::getBaseOriginalType(E).getCanonicalType(); | ||||||||
18742 | |||||||||
18743 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C++, p.1] | ||||||||
18744 | // If the type of a list item is a reference to a type T then the type | ||||||||
18745 | // will be considered to be T for all purposes of this clause. | ||||||||
18746 | if (CurType->isReferenceType()) | ||||||||
18747 | CurType = CurType->getPointeeType(); | ||||||||
18748 | |||||||||
18749 | bool IsPointer = CurType->isAnyPointerType(); | ||||||||
18750 | |||||||||
18751 | if (!IsPointer && !CurType->isArrayType()) { | ||||||||
18752 | SemaRef.Diag(ELoc, diag::err_omp_expected_base_var_name) | ||||||||
18753 | << 0 << OASE->getSourceRange(); | ||||||||
18754 | return false; | ||||||||
18755 | } | ||||||||
18756 | |||||||||
18757 | bool NotWhole = | ||||||||
18758 | checkArrayExpressionDoesNotReferToWholeSize(SemaRef, OASE, CurType); | ||||||||
18759 | bool NotUnity = | ||||||||
18760 | checkArrayExpressionDoesNotReferToUnitySize(SemaRef, OASE, CurType); | ||||||||
18761 | |||||||||
18762 | if (AllowWholeSizeArraySection) { | ||||||||
18763 | // Any array section is currently allowed. Allowing a whole size array | ||||||||
18764 | // section implies allowing a unity array section as well. | ||||||||
18765 | // | ||||||||
18766 | // If this array section refers to the whole dimension we can still | ||||||||
18767 | // accept other array sections before this one, except if the base is a | ||||||||
18768 | // pointer. Otherwise, only unitary sections are accepted. | ||||||||
18769 | if (NotWhole || IsPointer) | ||||||||
18770 | AllowWholeSizeArraySection = false; | ||||||||
18771 | } else if (DKind == OMPD_target_update && | ||||||||
18772 | SemaRef.getLangOpts().OpenMP >= 50) { | ||||||||
18773 | if (IsPointer && !AllowAnotherPtr) | ||||||||
18774 | SemaRef.Diag(ELoc, diag::err_omp_section_length_undefined) | ||||||||
18775 | << /*array of unknown bound */ 1; | ||||||||
18776 | else | ||||||||
18777 | IsNonContiguous = true; | ||||||||
18778 | } else if (AllowUnitySizeArraySection && NotUnity) { | ||||||||
18779 | // A unity or whole array section is not allowed and that is not | ||||||||
18780 | // compatible with the properties of the current array section. | ||||||||
18781 | SemaRef.Diag( | ||||||||
18782 | ELoc, diag::err_array_section_does_not_specify_contiguous_storage) | ||||||||
18783 | << OASE->getSourceRange(); | ||||||||
18784 | return false; | ||||||||
18785 | } | ||||||||
18786 | |||||||||
18787 | if (IsPointer) | ||||||||
18788 | AllowAnotherPtr = false; | ||||||||
18789 | |||||||||
18790 | if (const auto *TE = dyn_cast<CXXThisExpr>(E)) { | ||||||||
18791 | Expr::EvalResult ResultR; | ||||||||
18792 | Expr::EvalResult ResultL; | ||||||||
18793 | if (!OASE->getLength()->isValueDependent() && | ||||||||
18794 | OASE->getLength()->EvaluateAsInt(ResultR, SemaRef.getASTContext()) && | ||||||||
18795 | !ResultR.Val.getInt().isOneValue()) { | ||||||||
18796 | SemaRef.Diag(OASE->getLength()->getExprLoc(), | ||||||||
18797 | diag::err_omp_invalid_map_this_expr); | ||||||||
18798 | SemaRef.Diag(OASE->getLength()->getExprLoc(), | ||||||||
18799 | diag::note_omp_invalid_length_on_this_ptr_mapping); | ||||||||
18800 | } | ||||||||
18801 | if (OASE->getLowerBound() && !OASE->getLowerBound()->isValueDependent() && | ||||||||
18802 | OASE->getLowerBound()->EvaluateAsInt(ResultL, | ||||||||
18803 | SemaRef.getASTContext()) && | ||||||||
18804 | !ResultL.Val.getInt().isNullValue()) { | ||||||||
18805 | SemaRef.Diag(OASE->getLowerBound()->getExprLoc(), | ||||||||
18806 | diag::err_omp_invalid_map_this_expr); | ||||||||
18807 | SemaRef.Diag(OASE->getLowerBound()->getExprLoc(), | ||||||||
18808 | diag::note_omp_invalid_lower_bound_on_this_ptr_mapping); | ||||||||
18809 | } | ||||||||
18810 | assert(!RelevantExpr && "RelevantExpr is expected to be nullptr")((void)0); | ||||||||
18811 | RelevantExpr = TE; | ||||||||
18812 | } | ||||||||
18813 | |||||||||
18814 | // Record the component - we don't have any declaration associated. | ||||||||
18815 | Components.emplace_back(OASE, nullptr, /*IsNonContiguous=*/false); | ||||||||
18816 | return RelevantExpr || Visit(E); | ||||||||
18817 | } | ||||||||
18818 | bool VisitOMPArrayShapingExpr(OMPArrayShapingExpr *E) { | ||||||||
18819 | Expr *Base = E->getBase(); | ||||||||
18820 | |||||||||
18821 | // Record the component - we don't have any declaration associated. | ||||||||
18822 | Components.emplace_back(E, nullptr, IsNonContiguous); | ||||||||
18823 | |||||||||
18824 | return Visit(Base->IgnoreParenImpCasts()); | ||||||||
18825 | } | ||||||||
18826 | |||||||||
18827 | bool VisitUnaryOperator(UnaryOperator *UO) { | ||||||||
18828 | if (SemaRef.getLangOpts().OpenMP < 50 || !UO->isLValue() || | ||||||||
18829 | UO->getOpcode() != UO_Deref) { | ||||||||
18830 | emitErrorMsg(); | ||||||||
18831 | return false; | ||||||||
18832 | } | ||||||||
18833 | if (!RelevantExpr) { | ||||||||
18834 | // Record the component if haven't found base decl. | ||||||||
18835 | Components.emplace_back(UO, nullptr, /*IsNonContiguous=*/false); | ||||||||
18836 | } | ||||||||
18837 | return RelevantExpr || Visit(UO->getSubExpr()->IgnoreParenImpCasts()); | ||||||||
18838 | } | ||||||||
18839 | bool VisitBinaryOperator(BinaryOperator *BO) { | ||||||||
18840 | if (SemaRef.getLangOpts().OpenMP < 50 || !BO->getType()->isPointerType()) { | ||||||||
18841 | emitErrorMsg(); | ||||||||
18842 | return false; | ||||||||
18843 | } | ||||||||
18844 | |||||||||
18845 | // Pointer arithmetic is the only thing we expect to happen here so after we | ||||||||
18846 | // make sure the binary operator is a pointer type, the we only thing need | ||||||||
18847 | // to to is to visit the subtree that has the same type as root (so that we | ||||||||
18848 | // know the other subtree is just an offset) | ||||||||
18849 | Expr *LE = BO->getLHS()->IgnoreParenImpCasts(); | ||||||||
18850 | Expr *RE = BO->getRHS()->IgnoreParenImpCasts(); | ||||||||
18851 | Components.emplace_back(BO, nullptr, false); | ||||||||
18852 | assert((LE->getType().getTypePtr() == BO->getType().getTypePtr() ||((void)0) | ||||||||
18853 | RE->getType().getTypePtr() == BO->getType().getTypePtr()) &&((void)0) | ||||||||
18854 | "Either LHS or RHS have base decl inside")((void)0); | ||||||||
18855 | if (BO->getType().getTypePtr() == LE->getType().getTypePtr()) | ||||||||
18856 | return RelevantExpr || Visit(LE); | ||||||||
18857 | return RelevantExpr || Visit(RE); | ||||||||
18858 | } | ||||||||
18859 | bool VisitCXXThisExpr(CXXThisExpr *CTE) { | ||||||||
18860 | assert(!RelevantExpr && "RelevantExpr is expected to be nullptr")((void)0); | ||||||||
18861 | RelevantExpr = CTE; | ||||||||
18862 | Components.emplace_back(CTE, nullptr, IsNonContiguous); | ||||||||
18863 | return true; | ||||||||
18864 | } | ||||||||
18865 | bool VisitCXXOperatorCallExpr(CXXOperatorCallExpr *COCE) { | ||||||||
18866 | assert(!RelevantExpr && "RelevantExpr is expected to be nullptr")((void)0); | ||||||||
18867 | Components.emplace_back(COCE, nullptr, IsNonContiguous); | ||||||||
18868 | return true; | ||||||||
18869 | } | ||||||||
18870 | bool VisitOpaqueValueExpr(OpaqueValueExpr *E) { | ||||||||
18871 | Expr *Source = E->getSourceExpr(); | ||||||||
18872 | if (!Source) { | ||||||||
18873 | emitErrorMsg(); | ||||||||
18874 | return false; | ||||||||
18875 | } | ||||||||
18876 | return Visit(Source); | ||||||||
18877 | } | ||||||||
18878 | bool VisitStmt(Stmt *) { | ||||||||
18879 | emitErrorMsg(); | ||||||||
18880 | return false; | ||||||||
18881 | } | ||||||||
18882 | const Expr *getFoundBase() const { | ||||||||
18883 | return RelevantExpr; | ||||||||
18884 | } | ||||||||
18885 | explicit MapBaseChecker( | ||||||||
18886 | Sema &SemaRef, OpenMPClauseKind CKind, OpenMPDirectiveKind DKind, | ||||||||
18887 | OMPClauseMappableExprCommon::MappableExprComponentList &Components, | ||||||||
18888 | bool NoDiagnose, SourceLocation &ELoc, SourceRange &ERange) | ||||||||
18889 | : SemaRef(SemaRef), CKind(CKind), DKind(DKind), Components(Components), | ||||||||
18890 | NoDiagnose(NoDiagnose), ELoc(ELoc), ERange(ERange) {} | ||||||||
18891 | }; | ||||||||
18892 | } // namespace | ||||||||
18893 | |||||||||
18894 | /// Return the expression of the base of the mappable expression or null if it | ||||||||
18895 | /// cannot be determined and do all the necessary checks to see if the expression | ||||||||
18896 | /// is valid as a standalone mappable expression. In the process, record all the | ||||||||
18897 | /// components of the expression. | ||||||||
18898 | static const Expr *checkMapClauseExpressionBase( | ||||||||
18899 | Sema &SemaRef, Expr *E, | ||||||||
18900 | OMPClauseMappableExprCommon::MappableExprComponentList &CurComponents, | ||||||||
18901 | OpenMPClauseKind CKind, OpenMPDirectiveKind DKind, bool NoDiagnose) { | ||||||||
18902 | SourceLocation ELoc = E->getExprLoc(); | ||||||||
18903 | SourceRange ERange = E->getSourceRange(); | ||||||||
18904 | MapBaseChecker Checker(SemaRef, CKind, DKind, CurComponents, NoDiagnose, ELoc, | ||||||||
18905 | ERange); | ||||||||
18906 | if (Checker.Visit(E->IgnoreParens())) { | ||||||||
18907 | // Check if the highest dimension array section has length specified | ||||||||
18908 | if (SemaRef.getLangOpts().OpenMP >= 50 && !CurComponents.empty() && | ||||||||
18909 | (CKind == OMPC_to || CKind == OMPC_from)) { | ||||||||
18910 | auto CI = CurComponents.rbegin(); | ||||||||
18911 | auto CE = CurComponents.rend(); | ||||||||
18912 | for (; CI != CE; ++CI) { | ||||||||
18913 | const auto *OASE = | ||||||||
18914 | dyn_cast<OMPArraySectionExpr>(CI->getAssociatedExpression()); | ||||||||
18915 | if (!OASE) | ||||||||
18916 | continue; | ||||||||
18917 | if (OASE && OASE->getLength()) | ||||||||
18918 | break; | ||||||||
18919 | SemaRef.Diag(ELoc, diag::err_array_section_does_not_specify_length) | ||||||||
18920 | << ERange; | ||||||||
18921 | } | ||||||||
18922 | } | ||||||||
18923 | return Checker.getFoundBase(); | ||||||||
18924 | } | ||||||||
18925 | return nullptr; | ||||||||
18926 | } | ||||||||
18927 | |||||||||
18928 | // Return true if expression E associated with value VD has conflicts with other | ||||||||
18929 | // map information. | ||||||||
18930 | static bool checkMapConflicts( | ||||||||
18931 | Sema &SemaRef, DSAStackTy *DSAS, const ValueDecl *VD, const Expr *E, | ||||||||
18932 | bool CurrentRegionOnly, | ||||||||
18933 | OMPClauseMappableExprCommon::MappableExprComponentListRef CurComponents, | ||||||||
18934 | OpenMPClauseKind CKind) { | ||||||||
18935 | assert(VD && E)((void)0); | ||||||||
18936 | SourceLocation ELoc = E->getExprLoc(); | ||||||||
18937 | SourceRange ERange = E->getSourceRange(); | ||||||||
18938 | |||||||||
18939 | // In order to easily check the conflicts we need to match each component of | ||||||||
18940 | // the expression under test with the components of the expressions that are | ||||||||
18941 | // already in the stack. | ||||||||
18942 | |||||||||
18943 | assert(!CurComponents.empty() && "Map clause expression with no components!")((void)0); | ||||||||
18944 | assert(CurComponents.back().getAssociatedDeclaration() == VD &&((void)0) | ||||||||
18945 | "Map clause expression with unexpected base!")((void)0); | ||||||||
18946 | |||||||||
18947 | // Variables to help detecting enclosing problems in data environment nests. | ||||||||
18948 | bool IsEnclosedByDataEnvironmentExpr = false; | ||||||||
18949 | const Expr *EnclosingExpr = nullptr; | ||||||||
18950 | |||||||||
18951 | bool FoundError = DSAS->checkMappableExprComponentListsForDecl( | ||||||||
18952 | VD, CurrentRegionOnly, | ||||||||
18953 | [&IsEnclosedByDataEnvironmentExpr, &SemaRef, VD, CurrentRegionOnly, ELoc, | ||||||||
18954 | ERange, CKind, &EnclosingExpr, | ||||||||
18955 | CurComponents](OMPClauseMappableExprCommon::MappableExprComponentListRef | ||||||||
18956 | StackComponents, | ||||||||
18957 | OpenMPClauseKind Kind) { | ||||||||
18958 | if (CKind == Kind && SemaRef.LangOpts.OpenMP >= 50) | ||||||||
18959 | return false; | ||||||||
18960 | assert(!StackComponents.empty() &&((void)0) | ||||||||
18961 | "Map clause expression with no components!")((void)0); | ||||||||
18962 | assert(StackComponents.back().getAssociatedDeclaration() == VD &&((void)0) | ||||||||
18963 | "Map clause expression with unexpected base!")((void)0); | ||||||||
18964 | (void)VD; | ||||||||
18965 | |||||||||
18966 | // The whole expression in the stack. | ||||||||
18967 | const Expr *RE = StackComponents.front().getAssociatedExpression(); | ||||||||
18968 | |||||||||
18969 | // Expressions must start from the same base. Here we detect at which | ||||||||
18970 | // point both expressions diverge from each other and see if we can | ||||||||
18971 | // detect if the memory referred to both expressions is contiguous and | ||||||||
18972 | // do not overlap. | ||||||||
18973 | auto CI = CurComponents.rbegin(); | ||||||||
18974 | auto CE = CurComponents.rend(); | ||||||||
18975 | auto SI = StackComponents.rbegin(); | ||||||||
18976 | auto SE = StackComponents.rend(); | ||||||||
18977 | for (; CI != CE && SI != SE; ++CI, ++SI) { | ||||||||
18978 | |||||||||
18979 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.3] | ||||||||
18980 | // At most one list item can be an array item derived from a given | ||||||||
18981 | // variable in map clauses of the same construct. | ||||||||
18982 | if (CurrentRegionOnly && | ||||||||
18983 | (isa<ArraySubscriptExpr>(CI->getAssociatedExpression()) || | ||||||||
18984 | isa<OMPArraySectionExpr>(CI->getAssociatedExpression()) || | ||||||||
18985 | isa<OMPArrayShapingExpr>(CI->getAssociatedExpression())) && | ||||||||
18986 | (isa<ArraySubscriptExpr>(SI->getAssociatedExpression()) || | ||||||||
18987 | isa<OMPArraySectionExpr>(SI->getAssociatedExpression()) || | ||||||||
18988 | isa<OMPArrayShapingExpr>(SI->getAssociatedExpression()))) { | ||||||||
18989 | SemaRef.Diag(CI->getAssociatedExpression()->getExprLoc(), | ||||||||
18990 | diag::err_omp_multiple_array_items_in_map_clause) | ||||||||
18991 | << CI->getAssociatedExpression()->getSourceRange(); | ||||||||
18992 | SemaRef.Diag(SI->getAssociatedExpression()->getExprLoc(), | ||||||||
18993 | diag::note_used_here) | ||||||||
18994 | << SI->getAssociatedExpression()->getSourceRange(); | ||||||||
18995 | return true; | ||||||||
18996 | } | ||||||||
18997 | |||||||||
18998 | // Do both expressions have the same kind? | ||||||||
18999 | if (CI->getAssociatedExpression()->getStmtClass() != | ||||||||
19000 | SI->getAssociatedExpression()->getStmtClass()) | ||||||||
19001 | break; | ||||||||
19002 | |||||||||
19003 | // Are we dealing with different variables/fields? | ||||||||
19004 | if (CI->getAssociatedDeclaration() != SI->getAssociatedDeclaration()) | ||||||||
19005 | break; | ||||||||
19006 | } | ||||||||
19007 | // Check if the extra components of the expressions in the enclosing | ||||||||
19008 | // data environment are redundant for the current base declaration. | ||||||||
19009 | // If they are, the maps completely overlap, which is legal. | ||||||||
19010 | for (; SI != SE; ++SI) { | ||||||||
19011 | QualType Type; | ||||||||
19012 | if (const auto *ASE = | ||||||||
19013 | dyn_cast<ArraySubscriptExpr>(SI->getAssociatedExpression())) { | ||||||||
19014 | Type = ASE->getBase()->IgnoreParenImpCasts()->getType(); | ||||||||
19015 | } else if (const auto *OASE = dyn_cast<OMPArraySectionExpr>( | ||||||||
19016 | SI->getAssociatedExpression())) { | ||||||||
19017 | const Expr *E = OASE->getBase()->IgnoreParenImpCasts(); | ||||||||
19018 | Type = | ||||||||
19019 | OMPArraySectionExpr::getBaseOriginalType(E).getCanonicalType(); | ||||||||
19020 | } else if (const auto *OASE = dyn_cast<OMPArrayShapingExpr>( | ||||||||
19021 | SI->getAssociatedExpression())) { | ||||||||
19022 | Type = OASE->getBase()->getType()->getPointeeType(); | ||||||||
19023 | } | ||||||||
19024 | if (Type.isNull() || Type->isAnyPointerType() || | ||||||||
19025 | checkArrayExpressionDoesNotReferToWholeSize( | ||||||||
19026 | SemaRef, SI->getAssociatedExpression(), Type)) | ||||||||
19027 | break; | ||||||||
19028 | } | ||||||||
19029 | |||||||||
19030 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.4] | ||||||||
19031 | // List items of map clauses in the same construct must not share | ||||||||
19032 | // original storage. | ||||||||
19033 | // | ||||||||
19034 | // If the expressions are exactly the same or one is a subset of the | ||||||||
19035 | // other, it means they are sharing storage. | ||||||||
19036 | if (CI == CE && SI == SE) { | ||||||||
19037 | if (CurrentRegionOnly) { | ||||||||
19038 | if (CKind == OMPC_map) { | ||||||||
19039 | SemaRef.Diag(ELoc, diag::err_omp_map_shared_storage) << ERange; | ||||||||
19040 | } else { | ||||||||
19041 | assert(CKind == OMPC_to || CKind == OMPC_from)((void)0); | ||||||||
19042 | SemaRef.Diag(ELoc, diag::err_omp_once_referenced_in_target_update) | ||||||||
19043 | << ERange; | ||||||||
19044 | } | ||||||||
19045 | SemaRef.Diag(RE->getExprLoc(), diag::note_used_here) | ||||||||
19046 | << RE->getSourceRange(); | ||||||||
19047 | return true; | ||||||||
19048 | } | ||||||||
19049 | // If we find the same expression in the enclosing data environment, | ||||||||
19050 | // that is legal. | ||||||||
19051 | IsEnclosedByDataEnvironmentExpr = true; | ||||||||
19052 | return false; | ||||||||
19053 | } | ||||||||
19054 | |||||||||
19055 | QualType DerivedType = | ||||||||
19056 | std::prev(CI)->getAssociatedDeclaration()->getType(); | ||||||||
19057 | SourceLocation DerivedLoc = | ||||||||
19058 | std::prev(CI)->getAssociatedExpression()->getExprLoc(); | ||||||||
19059 | |||||||||
19060 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C++, p.1] | ||||||||
19061 | // If the type of a list item is a reference to a type T then the type | ||||||||
19062 | // will be considered to be T for all purposes of this clause. | ||||||||
19063 | DerivedType = DerivedType.getNonReferenceType(); | ||||||||
19064 | |||||||||
19065 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C/C++, p.1] | ||||||||
19066 | // A variable for which the type is pointer and an array section | ||||||||
19067 | // derived from that variable must not appear as list items of map | ||||||||
19068 | // clauses of the same construct. | ||||||||
19069 | // | ||||||||
19070 | // Also, cover one of the cases in: | ||||||||
19071 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.5] | ||||||||
19072 | // If any part of the original storage of a list item has corresponding | ||||||||
19073 | // storage in the device data environment, all of the original storage | ||||||||
19074 | // must have corresponding storage in the device data environment. | ||||||||
19075 | // | ||||||||
19076 | if (DerivedType->isAnyPointerType()) { | ||||||||
19077 | if (CI == CE || SI == SE) { | ||||||||
19078 | SemaRef.Diag( | ||||||||
19079 | DerivedLoc, | ||||||||
19080 | diag::err_omp_pointer_mapped_along_with_derived_section) | ||||||||
19081 | << DerivedLoc; | ||||||||
19082 | SemaRef.Diag(RE->getExprLoc(), diag::note_used_here) | ||||||||
19083 | << RE->getSourceRange(); | ||||||||
19084 | return true; | ||||||||
19085 | } | ||||||||
19086 | if (CI->getAssociatedExpression()->getStmtClass() != | ||||||||
19087 | SI->getAssociatedExpression()->getStmtClass() || | ||||||||
19088 | CI->getAssociatedDeclaration()->getCanonicalDecl() == | ||||||||
19089 | SI->getAssociatedDeclaration()->getCanonicalDecl()) { | ||||||||
19090 | assert(CI != CE && SI != SE)((void)0); | ||||||||
19091 | SemaRef.Diag(DerivedLoc, diag::err_omp_same_pointer_dereferenced) | ||||||||
19092 | << DerivedLoc; | ||||||||
19093 | SemaRef.Diag(RE->getExprLoc(), diag::note_used_here) | ||||||||
19094 | << RE->getSourceRange(); | ||||||||
19095 | return true; | ||||||||
19096 | } | ||||||||
19097 | } | ||||||||
19098 | |||||||||
19099 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.4] | ||||||||
19100 | // List items of map clauses in the same construct must not share | ||||||||
19101 | // original storage. | ||||||||
19102 | // | ||||||||
19103 | // An expression is a subset of the other. | ||||||||
19104 | if (CurrentRegionOnly && (CI == CE || SI == SE)) { | ||||||||
19105 | if (CKind == OMPC_map) { | ||||||||
19106 | if (CI != CE || SI != SE) { | ||||||||
19107 | // Allow constructs like this: map(s, s.ptr[0:1]), where s.ptr is | ||||||||
19108 | // a pointer. | ||||||||
19109 | auto Begin = | ||||||||
19110 | CI != CE ? CurComponents.begin() : StackComponents.begin(); | ||||||||
19111 | auto End = CI != CE ? CurComponents.end() : StackComponents.end(); | ||||||||
19112 | auto It = Begin; | ||||||||
19113 | while (It != End && !It->getAssociatedDeclaration()) | ||||||||
19114 | std::advance(It, 1); | ||||||||
19115 | assert(It != End &&((void)0) | ||||||||
19116 | "Expected at least one component with the declaration.")((void)0); | ||||||||
19117 | if (It != Begin && It->getAssociatedDeclaration() | ||||||||
19118 | ->getType() | ||||||||
19119 | .getCanonicalType() | ||||||||
19120 | ->isAnyPointerType()) { | ||||||||
19121 | IsEnclosedByDataEnvironmentExpr = false; | ||||||||
19122 | EnclosingExpr = nullptr; | ||||||||
19123 | return false; | ||||||||
19124 | } | ||||||||
19125 | } | ||||||||
19126 | SemaRef.Diag(ELoc, diag::err_omp_map_shared_storage) << ERange; | ||||||||
19127 | } else { | ||||||||
19128 | assert(CKind == OMPC_to || CKind == OMPC_from)((void)0); | ||||||||
19129 | SemaRef.Diag(ELoc, diag::err_omp_once_referenced_in_target_update) | ||||||||
19130 | << ERange; | ||||||||
19131 | } | ||||||||
19132 | SemaRef.Diag(RE->getExprLoc(), diag::note_used_here) | ||||||||
19133 | << RE->getSourceRange(); | ||||||||
19134 | return true; | ||||||||
19135 | } | ||||||||
19136 | |||||||||
19137 | // The current expression uses the same base as other expression in the | ||||||||
19138 | // data environment but does not contain it completely. | ||||||||
19139 | if (!CurrentRegionOnly && SI != SE) | ||||||||
19140 | EnclosingExpr = RE; | ||||||||
19141 | |||||||||
19142 | // The current expression is a subset of the expression in the data | ||||||||
19143 | // environment. | ||||||||
19144 | IsEnclosedByDataEnvironmentExpr |= | ||||||||
19145 | (!CurrentRegionOnly && CI != CE && SI == SE); | ||||||||
19146 | |||||||||
19147 | return false; | ||||||||
19148 | }); | ||||||||
19149 | |||||||||
19150 | if (CurrentRegionOnly) | ||||||||
19151 | return FoundError; | ||||||||
19152 | |||||||||
19153 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.5] | ||||||||
19154 | // If any part of the original storage of a list item has corresponding | ||||||||
19155 | // storage in the device data environment, all of the original storage must | ||||||||
19156 | // have corresponding storage in the device data environment. | ||||||||
19157 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.6] | ||||||||
19158 | // If a list item is an element of a structure, and a different element of | ||||||||
19159 | // the structure has a corresponding list item in the device data environment | ||||||||
19160 | // prior to a task encountering the construct associated with the map clause, | ||||||||
19161 | // then the list item must also have a corresponding list item in the device | ||||||||
19162 | // data environment prior to the task encountering the construct. | ||||||||
19163 | // | ||||||||
19164 | if (EnclosingExpr && !IsEnclosedByDataEnvironmentExpr) { | ||||||||
19165 | SemaRef.Diag(ELoc, | ||||||||
19166 | diag::err_omp_original_storage_is_shared_and_does_not_contain) | ||||||||
19167 | << ERange; | ||||||||
19168 | SemaRef.Diag(EnclosingExpr->getExprLoc(), diag::note_used_here) | ||||||||
19169 | << EnclosingExpr->getSourceRange(); | ||||||||
19170 | return true; | ||||||||
19171 | } | ||||||||
19172 | |||||||||
19173 | return FoundError; | ||||||||
19174 | } | ||||||||
19175 | |||||||||
19176 | // Look up the user-defined mapper given the mapper name and mapped type, and | ||||||||
19177 | // build a reference to it. | ||||||||
19178 | static ExprResult buildUserDefinedMapperRef(Sema &SemaRef, Scope *S, | ||||||||
19179 | CXXScopeSpec &MapperIdScopeSpec, | ||||||||
19180 | const DeclarationNameInfo &MapperId, | ||||||||
19181 | QualType Type, | ||||||||
19182 | Expr *UnresolvedMapper) { | ||||||||
19183 | if (MapperIdScopeSpec.isInvalid()) | ||||||||
19184 | return ExprError(); | ||||||||
19185 | // Get the actual type for the array type. | ||||||||
19186 | if (Type->isArrayType()) { | ||||||||
19187 | assert(Type->getAsArrayTypeUnsafe() && "Expect to get a valid array type")((void)0); | ||||||||
19188 | Type = Type->getAsArrayTypeUnsafe()->getElementType().getCanonicalType(); | ||||||||
19189 | } | ||||||||
19190 | // Find all user-defined mappers with the given MapperId. | ||||||||
19191 | SmallVector<UnresolvedSet<8>, 4> Lookups; | ||||||||
19192 | LookupResult Lookup(SemaRef, MapperId, Sema::LookupOMPMapperName); | ||||||||
19193 | Lookup.suppressDiagnostics(); | ||||||||
19194 | if (S) { | ||||||||
19195 | while (S && SemaRef.LookupParsedName(Lookup, S, &MapperIdScopeSpec)) { | ||||||||
19196 | NamedDecl *D = Lookup.getRepresentativeDecl(); | ||||||||
19197 | while (S && !S->isDeclScope(D)) | ||||||||
19198 | S = S->getParent(); | ||||||||
19199 | if (S) | ||||||||
19200 | S = S->getParent(); | ||||||||
19201 | Lookups.emplace_back(); | ||||||||
19202 | Lookups.back().append(Lookup.begin(), Lookup.end()); | ||||||||
19203 | Lookup.clear(); | ||||||||
19204 | } | ||||||||
19205 | } else if (auto *ULE = cast_or_null<UnresolvedLookupExpr>(UnresolvedMapper)) { | ||||||||
19206 | // Extract the user-defined mappers with the given MapperId. | ||||||||
19207 | Lookups.push_back(UnresolvedSet<8>()); | ||||||||
19208 | for (NamedDecl *D : ULE->decls()) { | ||||||||
19209 | auto *DMD = cast<OMPDeclareMapperDecl>(D); | ||||||||
19210 | assert(DMD && "Expect valid OMPDeclareMapperDecl during instantiation.")((void)0); | ||||||||
19211 | Lookups.back().addDecl(DMD); | ||||||||
19212 | } | ||||||||
19213 | } | ||||||||
19214 | // Defer the lookup for dependent types. The results will be passed through | ||||||||
19215 | // UnresolvedMapper on instantiation. | ||||||||
19216 | if (SemaRef.CurContext->isDependentContext() || Type->isDependentType() || | ||||||||
19217 | Type->isInstantiationDependentType() || | ||||||||
19218 | Type->containsUnexpandedParameterPack() || | ||||||||
19219 | filterLookupForUDReductionAndMapper<bool>(Lookups, [](ValueDecl *D) { | ||||||||
19220 | return !D->isInvalidDecl() && | ||||||||
19221 | (D->getType()->isDependentType() || | ||||||||
19222 | D->getType()->isInstantiationDependentType() || | ||||||||
19223 | D->getType()->containsUnexpandedParameterPack()); | ||||||||
19224 | })) { | ||||||||
19225 | UnresolvedSet<8> URS; | ||||||||
19226 | for (const UnresolvedSet<8> &Set : Lookups) { | ||||||||
19227 | if (Set.empty()) | ||||||||
19228 | continue; | ||||||||
19229 | URS.append(Set.begin(), Set.end()); | ||||||||
19230 | } | ||||||||
19231 | return UnresolvedLookupExpr::Create( | ||||||||
19232 | SemaRef.Context, /*NamingClass=*/nullptr, | ||||||||
19233 | MapperIdScopeSpec.getWithLocInContext(SemaRef.Context), MapperId, | ||||||||
19234 | /*ADL=*/false, /*Overloaded=*/true, URS.begin(), URS.end()); | ||||||||
19235 | } | ||||||||
19236 | SourceLocation Loc = MapperId.getLoc(); | ||||||||
19237 | // [OpenMP 5.0], 2.19.7.3 declare mapper Directive, Restrictions | ||||||||
19238 | // The type must be of struct, union or class type in C and C++ | ||||||||
19239 | if (!Type->isStructureOrClassType() && !Type->isUnionType() && | ||||||||
19240 | (MapperIdScopeSpec.isSet() || MapperId.getAsString() != "default")) { | ||||||||
19241 | SemaRef.Diag(Loc, diag::err_omp_mapper_wrong_type); | ||||||||
19242 | return ExprError(); | ||||||||
19243 | } | ||||||||
19244 | // Perform argument dependent lookup. | ||||||||
19245 | if (SemaRef.getLangOpts().CPlusPlus && !MapperIdScopeSpec.isSet()) | ||||||||
19246 | argumentDependentLookup(SemaRef, MapperId, Loc, Type, Lookups); | ||||||||
19247 | // Return the first user-defined mapper with the desired type. | ||||||||
19248 | if (auto *VD = filterLookupForUDReductionAndMapper<ValueDecl *>( | ||||||||
19249 | Lookups, [&SemaRef, Type](ValueDecl *D) -> ValueDecl * { | ||||||||
19250 | if (!D->isInvalidDecl() && | ||||||||
19251 | SemaRef.Context.hasSameType(D->getType(), Type)) | ||||||||
19252 | return D; | ||||||||
19253 | return nullptr; | ||||||||
19254 | })) | ||||||||
19255 | return SemaRef.BuildDeclRefExpr(VD, Type, VK_LValue, Loc); | ||||||||
19256 | // Find the first user-defined mapper with a type derived from the desired | ||||||||
19257 | // type. | ||||||||
19258 | if (auto *VD = filterLookupForUDReductionAndMapper<ValueDecl *>( | ||||||||
19259 | Lookups, [&SemaRef, Type, Loc](ValueDecl *D) -> ValueDecl * { | ||||||||
19260 | if (!D->isInvalidDecl() && | ||||||||
19261 | SemaRef.IsDerivedFrom(Loc, Type, D->getType()) && | ||||||||
19262 | !Type.isMoreQualifiedThan(D->getType())) | ||||||||
19263 | return D; | ||||||||
19264 | return nullptr; | ||||||||
19265 | })) { | ||||||||
19266 | CXXBasePaths Paths(/*FindAmbiguities=*/true, /*RecordPaths=*/true, | ||||||||
19267 | /*DetectVirtual=*/false); | ||||||||
19268 | if (SemaRef.IsDerivedFrom(Loc, Type, VD->getType(), Paths)) { | ||||||||
19269 | if (!Paths.isAmbiguous(SemaRef.Context.getCanonicalType( | ||||||||
19270 | VD->getType().getUnqualifiedType()))) { | ||||||||
19271 | if (SemaRef.CheckBaseClassAccess( | ||||||||
19272 | Loc, VD->getType(), Type, Paths.front(), | ||||||||
19273 | /*DiagID=*/0) != Sema::AR_inaccessible) { | ||||||||
19274 | return SemaRef.BuildDeclRefExpr(VD, Type, VK_LValue, Loc); | ||||||||
19275 | } | ||||||||
19276 | } | ||||||||
19277 | } | ||||||||
19278 | } | ||||||||
19279 | // Report error if a mapper is specified, but cannot be found. | ||||||||
19280 | if (MapperIdScopeSpec.isSet() || MapperId.getAsString() != "default") { | ||||||||
19281 | SemaRef.Diag(Loc, diag::err_omp_invalid_mapper) | ||||||||
19282 | << Type << MapperId.getName(); | ||||||||
19283 | return ExprError(); | ||||||||
19284 | } | ||||||||
19285 | return ExprEmpty(); | ||||||||
19286 | } | ||||||||
19287 | |||||||||
19288 | namespace { | ||||||||
19289 | // Utility struct that gathers all the related lists associated with a mappable | ||||||||
19290 | // expression. | ||||||||
19291 | struct MappableVarListInfo { | ||||||||
19292 | // The list of expressions. | ||||||||
19293 | ArrayRef<Expr *> VarList; | ||||||||
19294 | // The list of processed expressions. | ||||||||
19295 | SmallVector<Expr *, 16> ProcessedVarList; | ||||||||
19296 | // The mappble components for each expression. | ||||||||
19297 | OMPClauseMappableExprCommon::MappableExprComponentLists VarComponents; | ||||||||
19298 | // The base declaration of the variable. | ||||||||
19299 | SmallVector<ValueDecl *, 16> VarBaseDeclarations; | ||||||||
19300 | // The reference to the user-defined mapper associated with every expression. | ||||||||
19301 | SmallVector<Expr *, 16> UDMapperList; | ||||||||
19302 | |||||||||
19303 | MappableVarListInfo(ArrayRef<Expr *> VarList) : VarList(VarList) { | ||||||||
19304 | // We have a list of components and base declarations for each entry in the | ||||||||
19305 | // variable list. | ||||||||
19306 | VarComponents.reserve(VarList.size()); | ||||||||
19307 | VarBaseDeclarations.reserve(VarList.size()); | ||||||||
19308 | } | ||||||||
19309 | }; | ||||||||
19310 | } | ||||||||
19311 | |||||||||
19312 | // Check the validity of the provided variable list for the provided clause kind | ||||||||
19313 | // \a CKind. In the check process the valid expressions, mappable expression | ||||||||
19314 | // components, variables, and user-defined mappers are extracted and used to | ||||||||
19315 | // fill \a ProcessedVarList, \a VarComponents, \a VarBaseDeclarations, and \a | ||||||||
19316 | // UDMapperList in MVLI. \a MapType, \a IsMapTypeImplicit, \a MapperIdScopeSpec, | ||||||||
19317 | // and \a MapperId are expected to be valid if the clause kind is 'map'. | ||||||||
19318 | static void checkMappableExpressionList( | ||||||||
19319 | Sema &SemaRef, DSAStackTy *DSAS, OpenMPClauseKind CKind, | ||||||||
19320 | MappableVarListInfo &MVLI, SourceLocation StartLoc, | ||||||||
19321 | CXXScopeSpec &MapperIdScopeSpec, DeclarationNameInfo MapperId, | ||||||||
19322 | ArrayRef<Expr *> UnresolvedMappers, | ||||||||
19323 | OpenMPMapClauseKind MapType = OMPC_MAP_unknown, | ||||||||
19324 | bool IsMapTypeImplicit = false) { | ||||||||
19325 | // We only expect mappable expressions in 'to', 'from', and 'map' clauses. | ||||||||
19326 | assert((CKind == OMPC_map || CKind == OMPC_to || CKind == OMPC_from) &&((void)0) | ||||||||
19327 | "Unexpected clause kind with mappable expressions!")((void)0); | ||||||||
19328 | |||||||||
19329 | // If the identifier of user-defined mapper is not specified, it is "default". | ||||||||
19330 | // We do not change the actual name in this clause to distinguish whether a | ||||||||
19331 | // mapper is specified explicitly, i.e., it is not explicitly specified when | ||||||||
19332 | // MapperId.getName() is empty. | ||||||||
19333 | if (!MapperId.getName() || MapperId.getName().isEmpty()) { | ||||||||
19334 | auto &DeclNames = SemaRef.getASTContext().DeclarationNames; | ||||||||
19335 | MapperId.setName(DeclNames.getIdentifier( | ||||||||
19336 | &SemaRef.getASTContext().Idents.get("default"))); | ||||||||
19337 | MapperId.setLoc(StartLoc); | ||||||||
19338 | } | ||||||||
19339 | |||||||||
19340 | // Iterators to find the current unresolved mapper expression. | ||||||||
19341 | auto UMIt = UnresolvedMappers.begin(), UMEnd = UnresolvedMappers.end(); | ||||||||
19342 | bool UpdateUMIt = false; | ||||||||
19343 | Expr *UnresolvedMapper = nullptr; | ||||||||
19344 | |||||||||
19345 | // Keep track of the mappable components and base declarations in this clause. | ||||||||
19346 | // Each entry in the list is going to have a list of components associated. We | ||||||||
19347 | // record each set of the components so that we can build the clause later on. | ||||||||
19348 | // In the end we should have the same amount of declarations and component | ||||||||
19349 | // lists. | ||||||||
19350 | |||||||||
19351 | for (Expr *RE : MVLI.VarList) { | ||||||||
19352 | assert(RE && "Null expr in omp to/from/map clause")((void)0); | ||||||||
19353 | SourceLocation ELoc = RE->getExprLoc(); | ||||||||
19354 | |||||||||
19355 | // Find the current unresolved mapper expression. | ||||||||
19356 | if (UpdateUMIt && UMIt != UMEnd) { | ||||||||
19357 | UMIt++; | ||||||||
19358 | assert(((void)0) | ||||||||
19359 | UMIt != UMEnd &&((void)0) | ||||||||
19360 | "Expect the size of UnresolvedMappers to match with that of VarList")((void)0); | ||||||||
19361 | } | ||||||||
19362 | UpdateUMIt = true; | ||||||||
19363 | if (UMIt != UMEnd) | ||||||||
19364 | UnresolvedMapper = *UMIt; | ||||||||
19365 | |||||||||
19366 | const Expr *VE = RE->IgnoreParenLValueCasts(); | ||||||||
19367 | |||||||||
19368 | if (VE->isValueDependent() || VE->isTypeDependent() || | ||||||||
19369 | VE->isInstantiationDependent() || | ||||||||
19370 | VE->containsUnexpandedParameterPack()) { | ||||||||
19371 | // Try to find the associated user-defined mapper. | ||||||||
19372 | ExprResult ER = buildUserDefinedMapperRef( | ||||||||
19373 | SemaRef, DSAS->getCurScope(), MapperIdScopeSpec, MapperId, | ||||||||
19374 | VE->getType().getCanonicalType(), UnresolvedMapper); | ||||||||
19375 | if (ER.isInvalid()) | ||||||||
19376 | continue; | ||||||||
19377 | MVLI.UDMapperList.push_back(ER.get()); | ||||||||
19378 | // We can only analyze this information once the missing information is | ||||||||
19379 | // resolved. | ||||||||
19380 | MVLI.ProcessedVarList.push_back(RE); | ||||||||
19381 | continue; | ||||||||
19382 | } | ||||||||
19383 | |||||||||
19384 | Expr *SimpleExpr = RE->IgnoreParenCasts(); | ||||||||
19385 | |||||||||
19386 | if (!RE->isLValue()) { | ||||||||
19387 | if (SemaRef.getLangOpts().OpenMP < 50) { | ||||||||
19388 | SemaRef.Diag( | ||||||||
19389 | ELoc, diag::err_omp_expected_named_var_member_or_array_expression) | ||||||||
19390 | << RE->getSourceRange(); | ||||||||
19391 | } else { | ||||||||
19392 | SemaRef.Diag(ELoc, diag::err_omp_non_lvalue_in_map_or_motion_clauses) | ||||||||
19393 | << getOpenMPClauseName(CKind) << RE->getSourceRange(); | ||||||||
19394 | } | ||||||||
19395 | continue; | ||||||||
19396 | } | ||||||||
19397 | |||||||||
19398 | OMPClauseMappableExprCommon::MappableExprComponentList CurComponents; | ||||||||
19399 | ValueDecl *CurDeclaration = nullptr; | ||||||||
19400 | |||||||||
19401 | // Obtain the array or member expression bases if required. Also, fill the | ||||||||
19402 | // components array with all the components identified in the process. | ||||||||
19403 | const Expr *BE = checkMapClauseExpressionBase( | ||||||||
19404 | SemaRef, SimpleExpr, CurComponents, CKind, DSAS->getCurrentDirective(), | ||||||||
19405 | /*NoDiagnose=*/false); | ||||||||
19406 | if (!BE) | ||||||||
19407 | continue; | ||||||||
19408 | |||||||||
19409 | assert(!CurComponents.empty() &&((void)0) | ||||||||
19410 | "Invalid mappable expression information.")((void)0); | ||||||||
19411 | |||||||||
19412 | if (const auto *TE = dyn_cast<CXXThisExpr>(BE)) { | ||||||||
19413 | // Add store "this" pointer to class in DSAStackTy for future checking | ||||||||
19414 | DSAS->addMappedClassesQualTypes(TE->getType()); | ||||||||
19415 | // Try to find the associated user-defined mapper. | ||||||||
19416 | ExprResult ER = buildUserDefinedMapperRef( | ||||||||
19417 | SemaRef, DSAS->getCurScope(), MapperIdScopeSpec, MapperId, | ||||||||
19418 | VE->getType().getCanonicalType(), UnresolvedMapper); | ||||||||
19419 | if (ER.isInvalid()) | ||||||||
19420 | continue; | ||||||||
19421 | MVLI.UDMapperList.push_back(ER.get()); | ||||||||
19422 | // Skip restriction checking for variable or field declarations | ||||||||
19423 | MVLI.ProcessedVarList.push_back(RE); | ||||||||
19424 | MVLI.VarComponents.resize(MVLI.VarComponents.size() + 1); | ||||||||
19425 | MVLI.VarComponents.back().append(CurComponents.begin(), | ||||||||
19426 | CurComponents.end()); | ||||||||
19427 | MVLI.VarBaseDeclarations.push_back(nullptr); | ||||||||
19428 | continue; | ||||||||
19429 | } | ||||||||
19430 | |||||||||
19431 | // For the following checks, we rely on the base declaration which is | ||||||||
19432 | // expected to be associated with the last component. The declaration is | ||||||||
19433 | // expected to be a variable or a field (if 'this' is being mapped). | ||||||||
19434 | CurDeclaration = CurComponents.back().getAssociatedDeclaration(); | ||||||||
19435 | assert(CurDeclaration && "Null decl on map clause.")((void)0); | ||||||||
19436 | assert(((void)0) | ||||||||
19437 | CurDeclaration->isCanonicalDecl() &&((void)0) | ||||||||
19438 | "Expecting components to have associated only canonical declarations.")((void)0); | ||||||||
19439 | |||||||||
19440 | auto *VD = dyn_cast<VarDecl>(CurDeclaration); | ||||||||
19441 | const auto *FD = dyn_cast<FieldDecl>(CurDeclaration); | ||||||||
19442 | |||||||||
19443 | assert((VD || FD) && "Only variables or fields are expected here!")((void)0); | ||||||||
19444 | (void)FD; | ||||||||
19445 | |||||||||
19446 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.10] | ||||||||
19447 | // threadprivate variables cannot appear in a map clause. | ||||||||
19448 | // OpenMP 4.5 [2.10.5, target update Construct] | ||||||||
19449 | // threadprivate variables cannot appear in a from clause. | ||||||||
19450 | if (VD && DSAS->isThreadPrivate(VD)) { | ||||||||
19451 | DSAStackTy::DSAVarData DVar = DSAS->getTopDSA(VD, /*FromParent=*/false); | ||||||||
19452 | SemaRef.Diag(ELoc, diag::err_omp_threadprivate_in_clause) | ||||||||
19453 | << getOpenMPClauseName(CKind); | ||||||||
19454 | reportOriginalDsa(SemaRef, DSAS, VD, DVar); | ||||||||
19455 | continue; | ||||||||
19456 | } | ||||||||
19457 | |||||||||
19458 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.9] | ||||||||
19459 | // A list item cannot appear in both a map clause and a data-sharing | ||||||||
19460 | // attribute clause on the same construct. | ||||||||
19461 | |||||||||
19462 | // Check conflicts with other map clause expressions. We check the conflicts | ||||||||
19463 | // with the current construct separately from the enclosing data | ||||||||
19464 | // environment, because the restrictions are different. We only have to | ||||||||
19465 | // check conflicts across regions for the map clauses. | ||||||||
19466 | if (checkMapConflicts(SemaRef, DSAS, CurDeclaration, SimpleExpr, | ||||||||
19467 | /*CurrentRegionOnly=*/true, CurComponents, CKind)) | ||||||||
19468 | break; | ||||||||
19469 | if (CKind == OMPC_map && | ||||||||
19470 | (SemaRef.getLangOpts().OpenMP <= 45 || StartLoc.isValid()) && | ||||||||
19471 | checkMapConflicts(SemaRef, DSAS, CurDeclaration, SimpleExpr, | ||||||||
19472 | /*CurrentRegionOnly=*/false, CurComponents, CKind)) | ||||||||
19473 | break; | ||||||||
19474 | |||||||||
19475 | // OpenMP 4.5 [2.10.5, target update Construct] | ||||||||
19476 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C++, p.1] | ||||||||
19477 | // If the type of a list item is a reference to a type T then the type will | ||||||||
19478 | // be considered to be T for all purposes of this clause. | ||||||||
19479 | auto I = llvm::find_if( | ||||||||
19480 | CurComponents, | ||||||||
19481 | [](const OMPClauseMappableExprCommon::MappableComponent &MC) { | ||||||||
19482 | return MC.getAssociatedDeclaration(); | ||||||||
19483 | }); | ||||||||
19484 | assert(I != CurComponents.end() && "Null decl on map clause.")((void)0); | ||||||||
19485 | (void)I; | ||||||||
19486 | QualType Type; | ||||||||
19487 | auto *ASE = dyn_cast<ArraySubscriptExpr>(VE->IgnoreParens()); | ||||||||
19488 | auto *OASE = dyn_cast<OMPArraySectionExpr>(VE->IgnoreParens()); | ||||||||
19489 | auto *OAShE = dyn_cast<OMPArrayShapingExpr>(VE->IgnoreParens()); | ||||||||
19490 | if (ASE) { | ||||||||
19491 | Type = ASE->getType().getNonReferenceType(); | ||||||||
19492 | } else if (OASE) { | ||||||||
19493 | QualType BaseType = | ||||||||
19494 | OMPArraySectionExpr::getBaseOriginalType(OASE->getBase()); | ||||||||
19495 | if (const auto *ATy = BaseType->getAsArrayTypeUnsafe()) | ||||||||
19496 | Type = ATy->getElementType(); | ||||||||
19497 | else | ||||||||
19498 | Type = BaseType->getPointeeType(); | ||||||||
19499 | Type = Type.getNonReferenceType(); | ||||||||
19500 | } else if (OAShE) { | ||||||||
19501 | Type = OAShE->getBase()->getType()->getPointeeType(); | ||||||||
19502 | } else { | ||||||||
19503 | Type = VE->getType(); | ||||||||
19504 | } | ||||||||
19505 | |||||||||
19506 | // OpenMP 4.5 [2.10.5, target update Construct, Restrictions, p.4] | ||||||||
19507 | // A list item in a to or from clause must have a mappable type. | ||||||||
19508 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.9] | ||||||||
19509 | // A list item must have a mappable type. | ||||||||
19510 | if (!checkTypeMappable(VE->getExprLoc(), VE->getSourceRange(), SemaRef, | ||||||||
19511 | DSAS, Type)) | ||||||||
19512 | continue; | ||||||||
19513 | |||||||||
19514 | if (CKind == OMPC_map) { | ||||||||
19515 | // target enter data | ||||||||
19516 | // OpenMP [2.10.2, Restrictions, p. 99] | ||||||||
19517 | // A map-type must be specified in all map clauses and must be either | ||||||||
19518 | // to or alloc. | ||||||||
19519 | OpenMPDirectiveKind DKind = DSAS->getCurrentDirective(); | ||||||||
19520 | if (DKind == OMPD_target_enter_data && | ||||||||
19521 | !(MapType == OMPC_MAP_to || MapType == OMPC_MAP_alloc)) { | ||||||||
19522 | SemaRef.Diag(StartLoc, diag::err_omp_invalid_map_type_for_directive) | ||||||||
19523 | << (IsMapTypeImplicit ? 1 : 0) | ||||||||
19524 | << getOpenMPSimpleClauseTypeName(OMPC_map, MapType) | ||||||||
19525 | << getOpenMPDirectiveName(DKind); | ||||||||
19526 | continue; | ||||||||
19527 | } | ||||||||
19528 | |||||||||
19529 | // target exit_data | ||||||||
19530 | // OpenMP [2.10.3, Restrictions, p. 102] | ||||||||
19531 | // A map-type must be specified in all map clauses and must be either | ||||||||
19532 | // from, release, or delete. | ||||||||
19533 | if (DKind == OMPD_target_exit_data && | ||||||||
19534 | !(MapType == OMPC_MAP_from || MapType == OMPC_MAP_release || | ||||||||
19535 | MapType == OMPC_MAP_delete)) { | ||||||||
19536 | SemaRef.Diag(StartLoc, diag::err_omp_invalid_map_type_for_directive) | ||||||||
19537 | << (IsMapTypeImplicit ? 1 : 0) | ||||||||
19538 | << getOpenMPSimpleClauseTypeName(OMPC_map, MapType) | ||||||||
19539 | << getOpenMPDirectiveName(DKind); | ||||||||
19540 | continue; | ||||||||
19541 | } | ||||||||
19542 | |||||||||
19543 | // target, target data | ||||||||
19544 | // OpenMP 5.0 [2.12.2, Restrictions, p. 163] | ||||||||
19545 | // OpenMP 5.0 [2.12.5, Restrictions, p. 174] | ||||||||
19546 | // A map-type in a map clause must be to, from, tofrom or alloc | ||||||||
19547 | if ((DKind == OMPD_target_data || | ||||||||
19548 | isOpenMPTargetExecutionDirective(DKind)) && | ||||||||
19549 | !(MapType == OMPC_MAP_to || MapType == OMPC_MAP_from || | ||||||||
19550 | MapType == OMPC_MAP_tofrom || MapType == OMPC_MAP_alloc)) { | ||||||||
19551 | SemaRef.Diag(StartLoc, diag::err_omp_invalid_map_type_for_directive) | ||||||||
19552 | << (IsMapTypeImplicit ? 1 : 0) | ||||||||
19553 | << getOpenMPSimpleClauseTypeName(OMPC_map, MapType) | ||||||||
19554 | << getOpenMPDirectiveName(DKind); | ||||||||
19555 | continue; | ||||||||
19556 | } | ||||||||
19557 | |||||||||
19558 | // OpenMP 4.5 [2.15.5.1, Restrictions, p.3] | ||||||||
19559 | // A list item cannot appear in both a map clause and a data-sharing | ||||||||
19560 | // attribute clause on the same construct | ||||||||
19561 | // | ||||||||
19562 | // OpenMP 5.0 [2.19.7.1, Restrictions, p.7] | ||||||||
19563 | // A list item cannot appear in both a map clause and a data-sharing | ||||||||
19564 | // attribute clause on the same construct unless the construct is a | ||||||||
19565 | // combined construct. | ||||||||
19566 | if (VD && ((SemaRef.LangOpts.OpenMP <= 45 && | ||||||||
19567 | isOpenMPTargetExecutionDirective(DKind)) || | ||||||||
19568 | DKind == OMPD_target)) { | ||||||||
19569 | DSAStackTy::DSAVarData DVar = DSAS->getTopDSA(VD, /*FromParent=*/false); | ||||||||
19570 | if (isOpenMPPrivate(DVar.CKind)) { | ||||||||
19571 | SemaRef.Diag(ELoc, diag::err_omp_variable_in_given_clause_and_dsa) | ||||||||
19572 | << getOpenMPClauseName(DVar.CKind) | ||||||||
19573 | << getOpenMPClauseName(OMPC_map) | ||||||||
19574 | << getOpenMPDirectiveName(DSAS->getCurrentDirective()); | ||||||||
19575 | reportOriginalDsa(SemaRef, DSAS, CurDeclaration, DVar); | ||||||||
19576 | continue; | ||||||||
19577 | } | ||||||||
19578 | } | ||||||||
19579 | } | ||||||||
19580 | |||||||||
19581 | // Try to find the associated user-defined mapper. | ||||||||
19582 | ExprResult ER = buildUserDefinedMapperRef( | ||||||||
19583 | SemaRef, DSAS->getCurScope(), MapperIdScopeSpec, MapperId, | ||||||||
19584 | Type.getCanonicalType(), UnresolvedMapper); | ||||||||
19585 | if (ER.isInvalid()) | ||||||||
19586 | continue; | ||||||||
19587 | MVLI.UDMapperList.push_back(ER.get()); | ||||||||
19588 | |||||||||
19589 | // Save the current expression. | ||||||||
19590 | MVLI.ProcessedVarList.push_back(RE); | ||||||||
19591 | |||||||||
19592 | // Store the components in the stack so that they can be used to check | ||||||||
19593 | // against other clauses later on. | ||||||||
19594 | DSAS->addMappableExpressionComponents(CurDeclaration, CurComponents, | ||||||||
19595 | /*WhereFoundClauseKind=*/OMPC_map); | ||||||||
19596 | |||||||||
19597 | // Save the components and declaration to create the clause. For purposes of | ||||||||
19598 | // the clause creation, any component list that has has base 'this' uses | ||||||||
19599 | // null as base declaration. | ||||||||
19600 | MVLI.VarComponents.resize(MVLI.VarComponents.size() + 1); | ||||||||
19601 | MVLI.VarComponents.back().append(CurComponents.begin(), | ||||||||
19602 | CurComponents.end()); | ||||||||
19603 | MVLI.VarBaseDeclarations.push_back(isa<MemberExpr>(BE) ? nullptr | ||||||||
19604 | : CurDeclaration); | ||||||||
19605 | } | ||||||||
19606 | } | ||||||||
19607 | |||||||||
19608 | OMPClause *Sema::ActOnOpenMPMapClause( | ||||||||
19609 | ArrayRef<OpenMPMapModifierKind> MapTypeModifiers, | ||||||||
19610 | ArrayRef<SourceLocation> MapTypeModifiersLoc, | ||||||||
19611 | CXXScopeSpec &MapperIdScopeSpec, DeclarationNameInfo &MapperId, | ||||||||
19612 | OpenMPMapClauseKind MapType, bool IsMapTypeImplicit, SourceLocation MapLoc, | ||||||||
19613 | SourceLocation ColonLoc, ArrayRef<Expr *> VarList, | ||||||||
19614 | const OMPVarListLocTy &Locs, ArrayRef<Expr *> UnresolvedMappers) { | ||||||||
19615 | OpenMPMapModifierKind Modifiers[] = { | ||||||||
19616 | OMPC_MAP_MODIFIER_unknown, OMPC_MAP_MODIFIER_unknown, | ||||||||
19617 | OMPC_MAP_MODIFIER_unknown, OMPC_MAP_MODIFIER_unknown}; | ||||||||
19618 | SourceLocation ModifiersLoc[NumberOfOMPMapClauseModifiers]; | ||||||||
19619 | |||||||||
19620 | // Process map-type-modifiers, flag errors for duplicate modifiers. | ||||||||
19621 | unsigned Count = 0; | ||||||||
19622 | for (unsigned I = 0, E = MapTypeModifiers.size(); I < E; ++I) { | ||||||||
19623 | if (MapTypeModifiers[I] != OMPC_MAP_MODIFIER_unknown && | ||||||||
19624 | llvm::find(Modifiers, MapTypeModifiers[I]) != std::end(Modifiers)) { | ||||||||
19625 | Diag(MapTypeModifiersLoc[I], diag::err_omp_duplicate_map_type_modifier); | ||||||||
19626 | continue; | ||||||||
19627 | } | ||||||||
19628 | assert(Count < NumberOfOMPMapClauseModifiers &&((void)0) | ||||||||
19629 | "Modifiers exceed the allowed number of map type modifiers")((void)0); | ||||||||
19630 | Modifiers[Count] = MapTypeModifiers[I]; | ||||||||
19631 | ModifiersLoc[Count] = MapTypeModifiersLoc[I]; | ||||||||
19632 | ++Count; | ||||||||
19633 | } | ||||||||
19634 | |||||||||
19635 | MappableVarListInfo MVLI(VarList); | ||||||||
19636 | checkMappableExpressionList(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_map, MVLI, Locs.StartLoc, | ||||||||
19637 | MapperIdScopeSpec, MapperId, UnresolvedMappers, | ||||||||
19638 | MapType, IsMapTypeImplicit); | ||||||||
19639 | |||||||||
19640 | // We need to produce a map clause even if we don't have variables so that | ||||||||
19641 | // other diagnostics related with non-existing map clauses are accurate. | ||||||||
19642 | return OMPMapClause::Create(Context, Locs, MVLI.ProcessedVarList, | ||||||||
19643 | MVLI.VarBaseDeclarations, MVLI.VarComponents, | ||||||||
19644 | MVLI.UDMapperList, Modifiers, ModifiersLoc, | ||||||||
19645 | MapperIdScopeSpec.getWithLocInContext(Context), | ||||||||
19646 | MapperId, MapType, IsMapTypeImplicit, MapLoc); | ||||||||
19647 | } | ||||||||
19648 | |||||||||
19649 | QualType Sema::ActOnOpenMPDeclareReductionType(SourceLocation TyLoc, | ||||||||
19650 | TypeResult ParsedType) { | ||||||||
19651 | assert(ParsedType.isUsable())((void)0); | ||||||||
19652 | |||||||||
19653 | QualType ReductionType = GetTypeFromParser(ParsedType.get()); | ||||||||
19654 | if (ReductionType.isNull()) | ||||||||
19655 | return QualType(); | ||||||||
19656 | |||||||||
19657 | // [OpenMP 4.0], 2.15 declare reduction Directive, Restrictions, C\C++ | ||||||||
19658 | // A type name in a declare reduction directive cannot be a function type, an | ||||||||
19659 | // array type, a reference type, or a type qualified with const, volatile or | ||||||||
19660 | // restrict. | ||||||||
19661 | if (ReductionType.hasQualifiers()) { | ||||||||
19662 | Diag(TyLoc, diag::err_omp_reduction_wrong_type) << 0; | ||||||||
19663 | return QualType(); | ||||||||
19664 | } | ||||||||
19665 | |||||||||
19666 | if (ReductionType->isFunctionType()) { | ||||||||
19667 | Diag(TyLoc, diag::err_omp_reduction_wrong_type) << 1; | ||||||||
19668 | return QualType(); | ||||||||
19669 | } | ||||||||
19670 | if (ReductionType->isReferenceType()) { | ||||||||
19671 | Diag(TyLoc, diag::err_omp_reduction_wrong_type) << 2; | ||||||||
19672 | return QualType(); | ||||||||
19673 | } | ||||||||
19674 | if (ReductionType->isArrayType()) { | ||||||||
19675 | Diag(TyLoc, diag::err_omp_reduction_wrong_type) << 3; | ||||||||
19676 | return QualType(); | ||||||||
19677 | } | ||||||||
19678 | return ReductionType; | ||||||||
19679 | } | ||||||||
19680 | |||||||||
19681 | Sema::DeclGroupPtrTy Sema::ActOnOpenMPDeclareReductionDirectiveStart( | ||||||||
19682 | Scope *S, DeclContext *DC, DeclarationName Name, | ||||||||
19683 | ArrayRef<std::pair<QualType, SourceLocation>> ReductionTypes, | ||||||||
19684 | AccessSpecifier AS, Decl *PrevDeclInScope) { | ||||||||
19685 | SmallVector<Decl *, 8> Decls; | ||||||||
19686 | Decls.reserve(ReductionTypes.size()); | ||||||||
19687 | |||||||||
19688 | LookupResult Lookup(*this, Name, SourceLocation(), LookupOMPReductionName, | ||||||||
19689 | forRedeclarationInCurContext()); | ||||||||
19690 | // [OpenMP 4.0], 2.15 declare reduction Directive, Restrictions | ||||||||
19691 | // A reduction-identifier may not be re-declared in the current scope for the | ||||||||
19692 | // same type or for a type that is compatible according to the base language | ||||||||
19693 | // rules. | ||||||||
19694 | llvm::DenseMap<QualType, SourceLocation> PreviousRedeclTypes; | ||||||||
19695 | OMPDeclareReductionDecl *PrevDRD = nullptr; | ||||||||
19696 | bool InCompoundScope = true; | ||||||||
19697 | if (S != nullptr) { | ||||||||
19698 | // Find previous declaration with the same name not referenced in other | ||||||||
19699 | // declarations. | ||||||||
19700 | FunctionScopeInfo *ParentFn = getEnclosingFunction(); | ||||||||
19701 | InCompoundScope = | ||||||||
19702 | (ParentFn != nullptr) && !ParentFn->CompoundScopes.empty(); | ||||||||
19703 | LookupName(Lookup, S); | ||||||||
19704 | FilterLookupForScope(Lookup, DC, S, /*ConsiderLinkage=*/false, | ||||||||
19705 | /*AllowInlineNamespace=*/false); | ||||||||
19706 | llvm::DenseMap<OMPDeclareReductionDecl *, bool> UsedAsPrevious; | ||||||||
19707 | LookupResult::Filter Filter = Lookup.makeFilter(); | ||||||||
19708 | while (Filter.hasNext()) { | ||||||||
19709 | auto *PrevDecl = cast<OMPDeclareReductionDecl>(Filter.next()); | ||||||||
19710 | if (InCompoundScope) { | ||||||||
19711 | auto I = UsedAsPrevious.find(PrevDecl); | ||||||||
19712 | if (I == UsedAsPrevious.end()) | ||||||||
19713 | UsedAsPrevious[PrevDecl] = false; | ||||||||
19714 | if (OMPDeclareReductionDecl *D = PrevDecl->getPrevDeclInScope()) | ||||||||
19715 | UsedAsPrevious[D] = true; | ||||||||
19716 | } | ||||||||
19717 | PreviousRedeclTypes[PrevDecl->getType().getCanonicalType()] = | ||||||||
19718 | PrevDecl->getLocation(); | ||||||||
19719 | } | ||||||||
19720 | Filter.done(); | ||||||||
19721 | if (InCompoundScope) { | ||||||||
19722 | for (const auto &PrevData : UsedAsPrevious) { | ||||||||
19723 | if (!PrevData.second) { | ||||||||
19724 | PrevDRD = PrevData.first; | ||||||||
19725 | break; | ||||||||
19726 | } | ||||||||
19727 | } | ||||||||
19728 | } | ||||||||
19729 | } else if (PrevDeclInScope != nullptr) { | ||||||||
19730 | auto *PrevDRDInScope = PrevDRD = | ||||||||
19731 | cast<OMPDeclareReductionDecl>(PrevDeclInScope); | ||||||||
19732 | do { | ||||||||
19733 | PreviousRedeclTypes[PrevDRDInScope->getType().getCanonicalType()] = | ||||||||
19734 | PrevDRDInScope->getLocation(); | ||||||||
19735 | PrevDRDInScope = PrevDRDInScope->getPrevDeclInScope(); | ||||||||
19736 | } while (PrevDRDInScope != nullptr); | ||||||||
19737 | } | ||||||||
19738 | for (const auto &TyData : ReductionTypes) { | ||||||||
19739 | const auto I = PreviousRedeclTypes.find(TyData.first.getCanonicalType()); | ||||||||
19740 | bool Invalid = false; | ||||||||
19741 | if (I != PreviousRedeclTypes.end()) { | ||||||||
19742 | Diag(TyData.second, diag::err_omp_declare_reduction_redefinition) | ||||||||
19743 | << TyData.first; | ||||||||
19744 | Diag(I->second, diag::note_previous_definition); | ||||||||
19745 | Invalid = true; | ||||||||
19746 | } | ||||||||
19747 | PreviousRedeclTypes[TyData.first.getCanonicalType()] = TyData.second; | ||||||||
19748 | auto *DRD = OMPDeclareReductionDecl::Create(Context, DC, TyData.second, | ||||||||
19749 | Name, TyData.first, PrevDRD); | ||||||||
19750 | DC->addDecl(DRD); | ||||||||
19751 | DRD->setAccess(AS); | ||||||||
19752 | Decls.push_back(DRD); | ||||||||
19753 | if (Invalid) | ||||||||
19754 | DRD->setInvalidDecl(); | ||||||||
19755 | else | ||||||||
19756 | PrevDRD = DRD; | ||||||||
19757 | } | ||||||||
19758 | |||||||||
19759 | return DeclGroupPtrTy::make( | ||||||||
19760 | DeclGroupRef::Create(Context, Decls.begin(), Decls.size())); | ||||||||
19761 | } | ||||||||
19762 | |||||||||
19763 | void Sema::ActOnOpenMPDeclareReductionCombinerStart(Scope *S, Decl *D) { | ||||||||
19764 | auto *DRD = cast<OMPDeclareReductionDecl>(D); | ||||||||
19765 | |||||||||
19766 | // Enter new function scope. | ||||||||
19767 | PushFunctionScope(); | ||||||||
19768 | setFunctionHasBranchProtectedScope(); | ||||||||
19769 | getCurFunction()->setHasOMPDeclareReductionCombiner(); | ||||||||
19770 | |||||||||
19771 | if (S != nullptr) | ||||||||
19772 | PushDeclContext(S, DRD); | ||||||||
19773 | else | ||||||||
19774 | CurContext = DRD; | ||||||||
19775 | |||||||||
19776 | PushExpressionEvaluationContext( | ||||||||
19777 | ExpressionEvaluationContext::PotentiallyEvaluated); | ||||||||
19778 | |||||||||
19779 | QualType ReductionType = DRD->getType(); | ||||||||
19780 | // Create 'T* omp_parm;T omp_in;'. All references to 'omp_in' will | ||||||||
19781 | // be replaced by '*omp_parm' during codegen. This required because 'omp_in' | ||||||||
19782 | // uses semantics of argument handles by value, but it should be passed by | ||||||||
19783 | // reference. C lang does not support references, so pass all parameters as | ||||||||
19784 | // pointers. | ||||||||
19785 | // Create 'T omp_in;' variable. | ||||||||
19786 | VarDecl *OmpInParm = | ||||||||
19787 | buildVarDecl(*this, D->getLocation(), ReductionType, "omp_in"); | ||||||||
19788 | // Create 'T* omp_parm;T omp_out;'. All references to 'omp_out' will | ||||||||
19789 | // be replaced by '*omp_parm' during codegen. This required because 'omp_out' | ||||||||
19790 | // uses semantics of argument handles by value, but it should be passed by | ||||||||
19791 | // reference. C lang does not support references, so pass all parameters as | ||||||||
19792 | // pointers. | ||||||||
19793 | // Create 'T omp_out;' variable. | ||||||||
19794 | VarDecl *OmpOutParm = | ||||||||
19795 | buildVarDecl(*this, D->getLocation(), ReductionType, "omp_out"); | ||||||||
19796 | if (S != nullptr) { | ||||||||
19797 | PushOnScopeChains(OmpInParm, S); | ||||||||
19798 | PushOnScopeChains(OmpOutParm, S); | ||||||||
19799 | } else { | ||||||||
19800 | DRD->addDecl(OmpInParm); | ||||||||
19801 | DRD->addDecl(OmpOutParm); | ||||||||
19802 | } | ||||||||
19803 | Expr *InE = | ||||||||
19804 | ::buildDeclRefExpr(*this, OmpInParm, ReductionType, D->getLocation()); | ||||||||
19805 | Expr *OutE = | ||||||||
19806 | ::buildDeclRefExpr(*this, OmpOutParm, ReductionType, D->getLocation()); | ||||||||
19807 | DRD->setCombinerData(InE, OutE); | ||||||||
19808 | } | ||||||||
19809 | |||||||||
19810 | void Sema::ActOnOpenMPDeclareReductionCombinerEnd(Decl *D, Expr *Combiner) { | ||||||||
19811 | auto *DRD = cast<OMPDeclareReductionDecl>(D); | ||||||||
19812 | DiscardCleanupsInEvaluationContext(); | ||||||||
19813 | PopExpressionEvaluationContext(); | ||||||||
19814 | |||||||||
19815 | PopDeclContext(); | ||||||||
19816 | PopFunctionScopeInfo(); | ||||||||
19817 | |||||||||
19818 | if (Combiner != nullptr) | ||||||||
19819 | DRD->setCombiner(Combiner); | ||||||||
19820 | else | ||||||||
19821 | DRD->setInvalidDecl(); | ||||||||
19822 | } | ||||||||
19823 | |||||||||
19824 | VarDecl *Sema::ActOnOpenMPDeclareReductionInitializerStart(Scope *S, Decl *D) { | ||||||||
19825 | auto *DRD = cast<OMPDeclareReductionDecl>(D); | ||||||||
19826 | |||||||||
19827 | // Enter new function scope. | ||||||||
19828 | PushFunctionScope(); | ||||||||
19829 | setFunctionHasBranchProtectedScope(); | ||||||||
19830 | |||||||||
19831 | if (S != nullptr) | ||||||||
19832 | PushDeclContext(S, DRD); | ||||||||
19833 | else | ||||||||
19834 | CurContext = DRD; | ||||||||
19835 | |||||||||
19836 | PushExpressionEvaluationContext( | ||||||||
19837 | ExpressionEvaluationContext::PotentiallyEvaluated); | ||||||||
19838 | |||||||||
19839 | QualType ReductionType = DRD->getType(); | ||||||||
19840 | // Create 'T* omp_parm;T omp_priv;'. All references to 'omp_priv' will | ||||||||
19841 | // be replaced by '*omp_parm' during codegen. This required because 'omp_priv' | ||||||||
19842 | // uses semantics of argument handles by value, but it should be passed by | ||||||||
19843 | // reference. C lang does not support references, so pass all parameters as | ||||||||
19844 | // pointers. | ||||||||
19845 | // Create 'T omp_priv;' variable. | ||||||||
19846 | VarDecl *OmpPrivParm = | ||||||||
19847 | buildVarDecl(*this, D->getLocation(), ReductionType, "omp_priv"); | ||||||||
19848 | // Create 'T* omp_parm;T omp_orig;'. All references to 'omp_orig' will | ||||||||
19849 | // be replaced by '*omp_parm' during codegen. This required because 'omp_orig' | ||||||||
19850 | // uses semantics of argument handles by value, but it should be passed by | ||||||||
19851 | // reference. C lang does not support references, so pass all parameters as | ||||||||
19852 | // pointers. | ||||||||
19853 | // Create 'T omp_orig;' variable. | ||||||||
19854 | VarDecl *OmpOrigParm = | ||||||||
19855 | buildVarDecl(*this, D->getLocation(), ReductionType, "omp_orig"); | ||||||||
19856 | if (S != nullptr) { | ||||||||
19857 | PushOnScopeChains(OmpPrivParm, S); | ||||||||
19858 | PushOnScopeChains(OmpOrigParm, S); | ||||||||
19859 | } else { | ||||||||
19860 | DRD->addDecl(OmpPrivParm); | ||||||||
19861 | DRD->addDecl(OmpOrigParm); | ||||||||
19862 | } | ||||||||
19863 | Expr *OrigE = | ||||||||
19864 | ::buildDeclRefExpr(*this, OmpOrigParm, ReductionType, D->getLocation()); | ||||||||
19865 | Expr *PrivE = | ||||||||
19866 | ::buildDeclRefExpr(*this, OmpPrivParm, ReductionType, D->getLocation()); | ||||||||
19867 | DRD->setInitializerData(OrigE, PrivE); | ||||||||
19868 | return OmpPrivParm; | ||||||||
19869 | } | ||||||||
19870 | |||||||||
19871 | void Sema::ActOnOpenMPDeclareReductionInitializerEnd(Decl *D, Expr *Initializer, | ||||||||
19872 | VarDecl *OmpPrivParm) { | ||||||||
19873 | auto *DRD = cast<OMPDeclareReductionDecl>(D); | ||||||||
19874 | DiscardCleanupsInEvaluationContext(); | ||||||||
19875 | PopExpressionEvaluationContext(); | ||||||||
19876 | |||||||||
19877 | PopDeclContext(); | ||||||||
19878 | PopFunctionScopeInfo(); | ||||||||
19879 | |||||||||
19880 | if (Initializer != nullptr) { | ||||||||
19881 | DRD->setInitializer(Initializer, OMPDeclareReductionDecl::CallInit); | ||||||||
19882 | } else if (OmpPrivParm->hasInit()) { | ||||||||
19883 | DRD->setInitializer(OmpPrivParm->getInit(), | ||||||||
19884 | OmpPrivParm->isDirectInit() | ||||||||
19885 | ? OMPDeclareReductionDecl::DirectInit | ||||||||
19886 | : OMPDeclareReductionDecl::CopyInit); | ||||||||
19887 | } else { | ||||||||
19888 | DRD->setInvalidDecl(); | ||||||||
19889 | } | ||||||||
19890 | } | ||||||||
19891 | |||||||||
19892 | Sema::DeclGroupPtrTy Sema::ActOnOpenMPDeclareReductionDirectiveEnd( | ||||||||
19893 | Scope *S, DeclGroupPtrTy DeclReductions, bool IsValid) { | ||||||||
19894 | for (Decl *D : DeclReductions.get()) { | ||||||||
19895 | if (IsValid) { | ||||||||
19896 | if (S) | ||||||||
19897 | PushOnScopeChains(cast<OMPDeclareReductionDecl>(D), S, | ||||||||
19898 | /*AddToContext=*/false); | ||||||||
19899 | } else { | ||||||||
19900 | D->setInvalidDecl(); | ||||||||
19901 | } | ||||||||
19902 | } | ||||||||
19903 | return DeclReductions; | ||||||||
19904 | } | ||||||||
19905 | |||||||||
19906 | TypeResult Sema::ActOnOpenMPDeclareMapperVarDecl(Scope *S, Declarator &D) { | ||||||||
19907 | TypeSourceInfo *TInfo = GetTypeForDeclarator(D, S); | ||||||||
19908 | QualType T = TInfo->getType(); | ||||||||
19909 | if (D.isInvalidType()) | ||||||||
19910 | return true; | ||||||||
19911 | |||||||||
19912 | if (getLangOpts().CPlusPlus) { | ||||||||
19913 | // Check that there are no default arguments (C++ only). | ||||||||
19914 | CheckExtraCXXDefaultArguments(D); | ||||||||
19915 | } | ||||||||
19916 | |||||||||
19917 | return CreateParsedType(T, TInfo); | ||||||||
19918 | } | ||||||||
19919 | |||||||||
19920 | QualType Sema::ActOnOpenMPDeclareMapperType(SourceLocation TyLoc, | ||||||||
19921 | TypeResult ParsedType) { | ||||||||
19922 | assert(ParsedType.isUsable() && "Expect usable parsed mapper type")((void)0); | ||||||||
19923 | |||||||||
19924 | QualType MapperType = GetTypeFromParser(ParsedType.get()); | ||||||||
19925 | assert(!MapperType.isNull() && "Expect valid mapper type")((void)0); | ||||||||
19926 | |||||||||
19927 | // [OpenMP 5.0], 2.19.7.3 declare mapper Directive, Restrictions | ||||||||
19928 | // The type must be of struct, union or class type in C and C++ | ||||||||
19929 | if (!MapperType->isStructureOrClassType() && !MapperType->isUnionType()) { | ||||||||
19930 | Diag(TyLoc, diag::err_omp_mapper_wrong_type); | ||||||||
19931 | return QualType(); | ||||||||
19932 | } | ||||||||
19933 | return MapperType; | ||||||||
19934 | } | ||||||||
19935 | |||||||||
19936 | Sema::DeclGroupPtrTy Sema::ActOnOpenMPDeclareMapperDirective( | ||||||||
19937 | Scope *S, DeclContext *DC, DeclarationName Name, QualType MapperType, | ||||||||
19938 | SourceLocation StartLoc, DeclarationName VN, AccessSpecifier AS, | ||||||||
19939 | Expr *MapperVarRef, ArrayRef<OMPClause *> Clauses, Decl *PrevDeclInScope) { | ||||||||
19940 | LookupResult Lookup(*this, Name, SourceLocation(), LookupOMPMapperName, | ||||||||
19941 | forRedeclarationInCurContext()); | ||||||||
19942 | // [OpenMP 5.0], 2.19.7.3 declare mapper Directive, Restrictions | ||||||||
19943 | // A mapper-identifier may not be redeclared in the current scope for the | ||||||||
19944 | // same type or for a type that is compatible according to the base language | ||||||||
19945 | // rules. | ||||||||
19946 | llvm::DenseMap<QualType, SourceLocation> PreviousRedeclTypes; | ||||||||
19947 | OMPDeclareMapperDecl *PrevDMD = nullptr; | ||||||||
19948 | bool InCompoundScope = true; | ||||||||
19949 | if (S != nullptr) { | ||||||||
19950 | // Find previous declaration with the same name not referenced in other | ||||||||
19951 | // declarations. | ||||||||
19952 | FunctionScopeInfo *ParentFn = getEnclosingFunction(); | ||||||||
19953 | InCompoundScope = | ||||||||
19954 | (ParentFn != nullptr) && !ParentFn->CompoundScopes.empty(); | ||||||||
19955 | LookupName(Lookup, S); | ||||||||
19956 | FilterLookupForScope(Lookup, DC, S, /*ConsiderLinkage=*/false, | ||||||||
19957 | /*AllowInlineNamespace=*/false); | ||||||||
19958 | llvm::DenseMap<OMPDeclareMapperDecl *, bool> UsedAsPrevious; | ||||||||
19959 | LookupResult::Filter Filter = Lookup.makeFilter(); | ||||||||
19960 | while (Filter.hasNext()) { | ||||||||
19961 | auto *PrevDecl = cast<OMPDeclareMapperDecl>(Filter.next()); | ||||||||
19962 | if (InCompoundScope) { | ||||||||
19963 | auto I = UsedAsPrevious.find(PrevDecl); | ||||||||
19964 | if (I == UsedAsPrevious.end()) | ||||||||
19965 | UsedAsPrevious[PrevDecl] = false; | ||||||||
19966 | if (OMPDeclareMapperDecl *D = PrevDecl->getPrevDeclInScope()) | ||||||||
19967 | UsedAsPrevious[D] = true; | ||||||||
19968 | } | ||||||||
19969 | PreviousRedeclTypes[PrevDecl->getType().getCanonicalType()] = | ||||||||
19970 | PrevDecl->getLocation(); | ||||||||
19971 | } | ||||||||
19972 | Filter.done(); | ||||||||
19973 | if (InCompoundScope) { | ||||||||
19974 | for (const auto &PrevData : UsedAsPrevious) { | ||||||||
19975 | if (!PrevData.second) { | ||||||||
19976 | PrevDMD = PrevData.first; | ||||||||
19977 | break; | ||||||||
19978 | } | ||||||||
19979 | } | ||||||||
19980 | } | ||||||||
19981 | } else if (PrevDeclInScope) { | ||||||||
19982 | auto *PrevDMDInScope = PrevDMD = | ||||||||
19983 | cast<OMPDeclareMapperDecl>(PrevDeclInScope); | ||||||||
19984 | do { | ||||||||
19985 | PreviousRedeclTypes[PrevDMDInScope->getType().getCanonicalType()] = | ||||||||
19986 | PrevDMDInScope->getLocation(); | ||||||||
19987 | PrevDMDInScope = PrevDMDInScope->getPrevDeclInScope(); | ||||||||
19988 | } while (PrevDMDInScope != nullptr); | ||||||||
19989 | } | ||||||||
19990 | const auto I = PreviousRedeclTypes.find(MapperType.getCanonicalType()); | ||||||||
19991 | bool Invalid = false; | ||||||||
19992 | if (I != PreviousRedeclTypes.end()) { | ||||||||
19993 | Diag(StartLoc, diag::err_omp_declare_mapper_redefinition) | ||||||||
19994 | << MapperType << Name; | ||||||||
19995 | Diag(I->second, diag::note_previous_definition); | ||||||||
19996 | Invalid = true; | ||||||||
19997 | } | ||||||||
19998 | // Build expressions for implicit maps of data members with 'default' | ||||||||
19999 | // mappers. | ||||||||
20000 | SmallVector<OMPClause *, 4> ClausesWithImplicit(Clauses.begin(), | ||||||||
20001 | Clauses.end()); | ||||||||
20002 | if (LangOpts.OpenMP >= 50) | ||||||||
20003 | processImplicitMapsWithDefaultMappers(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), ClausesWithImplicit); | ||||||||
20004 | auto *DMD = | ||||||||
20005 | OMPDeclareMapperDecl::Create(Context, DC, StartLoc, Name, MapperType, VN, | ||||||||
20006 | ClausesWithImplicit, PrevDMD); | ||||||||
20007 | if (S) | ||||||||
20008 | PushOnScopeChains(DMD, S); | ||||||||
20009 | else | ||||||||
20010 | DC->addDecl(DMD); | ||||||||
20011 | DMD->setAccess(AS); | ||||||||
20012 | if (Invalid) | ||||||||
20013 | DMD->setInvalidDecl(); | ||||||||
20014 | |||||||||
20015 | auto *VD = cast<DeclRefExpr>(MapperVarRef)->getDecl(); | ||||||||
20016 | VD->setDeclContext(DMD); | ||||||||
20017 | VD->setLexicalDeclContext(DMD); | ||||||||
20018 | DMD->addDecl(VD); | ||||||||
20019 | DMD->setMapperVarRef(MapperVarRef); | ||||||||
20020 | |||||||||
20021 | return DeclGroupPtrTy::make(DeclGroupRef(DMD)); | ||||||||
20022 | } | ||||||||
20023 | |||||||||
20024 | ExprResult | ||||||||
20025 | Sema::ActOnOpenMPDeclareMapperDirectiveVarDecl(Scope *S, QualType MapperType, | ||||||||
20026 | SourceLocation StartLoc, | ||||||||
20027 | DeclarationName VN) { | ||||||||
20028 | TypeSourceInfo *TInfo = | ||||||||
20029 | Context.getTrivialTypeSourceInfo(MapperType, StartLoc); | ||||||||
20030 | auto *VD = VarDecl::Create(Context, Context.getTranslationUnitDecl(), | ||||||||
20031 | StartLoc, StartLoc, VN.getAsIdentifierInfo(), | ||||||||
20032 | MapperType, TInfo, SC_None); | ||||||||
20033 | if (S) | ||||||||
20034 | PushOnScopeChains(VD, S, /*AddToContext=*/false); | ||||||||
20035 | Expr *E = buildDeclRefExpr(*this, VD, MapperType, StartLoc); | ||||||||
20036 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDeclareMapperVarRef(E); | ||||||||
20037 | return E; | ||||||||
20038 | } | ||||||||
20039 | |||||||||
20040 | bool Sema::isOpenMPDeclareMapperVarDeclAllowed(const VarDecl *VD) const { | ||||||||
20041 | assert(LangOpts.OpenMP && "Expected OpenMP mode.")((void)0); | ||||||||
20042 | const Expr *Ref = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDeclareMapperVarRef(); | ||||||||
20043 | if (const auto *DRE = cast_or_null<DeclRefExpr>(Ref)) { | ||||||||
20044 | if (VD->getCanonicalDecl() == DRE->getDecl()->getCanonicalDecl()) | ||||||||
20045 | return true; | ||||||||
20046 | if (VD->isUsableInConstantExpressions(Context)) | ||||||||
20047 | return true; | ||||||||
20048 | return false; | ||||||||
20049 | } | ||||||||
20050 | return true; | ||||||||
20051 | } | ||||||||
20052 | |||||||||
20053 | const ValueDecl *Sema::getOpenMPDeclareMapperVarName() const { | ||||||||
20054 | assert(LangOpts.OpenMP && "Expected OpenMP mode.")((void)0); | ||||||||
20055 | return cast<DeclRefExpr>(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDeclareMapperVarRef())->getDecl(); | ||||||||
20056 | } | ||||||||
20057 | |||||||||
20058 | OMPClause *Sema::ActOnOpenMPNumTeamsClause(Expr *NumTeams, | ||||||||
20059 | SourceLocation StartLoc, | ||||||||
20060 | SourceLocation LParenLoc, | ||||||||
20061 | SourceLocation EndLoc) { | ||||||||
20062 | Expr *ValExpr = NumTeams; | ||||||||
20063 | Stmt *HelperValStmt = nullptr; | ||||||||
20064 | |||||||||
20065 | // OpenMP [teams Constrcut, Restrictions] | ||||||||
20066 | // The num_teams expression must evaluate to a positive integer value. | ||||||||
20067 | if (!isNonNegativeIntegerValue(ValExpr, *this, OMPC_num_teams, | ||||||||
20068 | /*StrictlyPositive=*/true)) | ||||||||
20069 | return nullptr; | ||||||||
20070 | |||||||||
20071 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | ||||||||
20072 | OpenMPDirectiveKind CaptureRegion = | ||||||||
20073 | getOpenMPCaptureRegionForClause(DKind, OMPC_num_teams, LangOpts.OpenMP); | ||||||||
20074 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { | ||||||||
20075 | ValExpr = MakeFullExpr(ValExpr).get(); | ||||||||
20076 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | ||||||||
20077 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | ||||||||
20078 | HelperValStmt = buildPreInits(Context, Captures); | ||||||||
20079 | } | ||||||||
20080 | |||||||||
20081 | return new (Context) OMPNumTeamsClause(ValExpr, HelperValStmt, CaptureRegion, | ||||||||
20082 | StartLoc, LParenLoc, EndLoc); | ||||||||
20083 | } | ||||||||
20084 | |||||||||
20085 | OMPClause *Sema::ActOnOpenMPThreadLimitClause(Expr *ThreadLimit, | ||||||||
20086 | SourceLocation StartLoc, | ||||||||
20087 | SourceLocation LParenLoc, | ||||||||
20088 | SourceLocation EndLoc) { | ||||||||
20089 | Expr *ValExpr = ThreadLimit; | ||||||||
20090 | Stmt *HelperValStmt = nullptr; | ||||||||
20091 | |||||||||
20092 | // OpenMP [teams Constrcut, Restrictions] | ||||||||
20093 | // The thread_limit expression must evaluate to a positive integer value. | ||||||||
20094 | if (!isNonNegativeIntegerValue(ValExpr, *this, OMPC_thread_limit, | ||||||||
20095 | /*StrictlyPositive=*/true)) | ||||||||
20096 | return nullptr; | ||||||||
20097 | |||||||||
20098 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | ||||||||
20099 | OpenMPDirectiveKind CaptureRegion = getOpenMPCaptureRegionForClause( | ||||||||
20100 | DKind, OMPC_thread_limit, LangOpts.OpenMP); | ||||||||
20101 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { | ||||||||
20102 | ValExpr = MakeFullExpr(ValExpr).get(); | ||||||||
20103 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | ||||||||
20104 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | ||||||||
20105 | HelperValStmt = buildPreInits(Context, Captures); | ||||||||
20106 | } | ||||||||
20107 | |||||||||
20108 | return new (Context) OMPThreadLimitClause( | ||||||||
20109 | ValExpr, HelperValStmt, CaptureRegion, StartLoc, LParenLoc, EndLoc); | ||||||||
20110 | } | ||||||||
20111 | |||||||||
20112 | OMPClause *Sema::ActOnOpenMPPriorityClause(Expr *Priority, | ||||||||
20113 | SourceLocation StartLoc, | ||||||||
20114 | SourceLocation LParenLoc, | ||||||||
20115 | SourceLocation EndLoc) { | ||||||||
20116 | Expr *ValExpr = Priority; | ||||||||
20117 | Stmt *HelperValStmt = nullptr; | ||||||||
20118 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; | ||||||||
20119 | |||||||||
20120 | // OpenMP [2.9.1, task Constrcut] | ||||||||
20121 | // The priority-value is a non-negative numerical scalar expression. | ||||||||
20122 | if (!isNonNegativeIntegerValue( | ||||||||
20123 | ValExpr, *this, OMPC_priority, | ||||||||
20124 | /*StrictlyPositive=*/false, /*BuildCapture=*/true, | ||||||||
20125 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(), &CaptureRegion, &HelperValStmt)) | ||||||||
20126 | return nullptr; | ||||||||
20127 | |||||||||
20128 | return new (Context) OMPPriorityClause(ValExpr, HelperValStmt, CaptureRegion, | ||||||||
20129 | StartLoc, LParenLoc, EndLoc); | ||||||||
20130 | } | ||||||||
20131 | |||||||||
20132 | OMPClause *Sema::ActOnOpenMPGrainsizeClause(Expr *Grainsize, | ||||||||
20133 | SourceLocation StartLoc, | ||||||||
20134 | SourceLocation LParenLoc, | ||||||||
20135 | SourceLocation EndLoc) { | ||||||||
20136 | Expr *ValExpr = Grainsize; | ||||||||
20137 | Stmt *HelperValStmt = nullptr; | ||||||||
20138 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; | ||||||||
20139 | |||||||||
20140 | // OpenMP [2.9.2, taskloop Constrcut] | ||||||||
20141 | // The parameter of the grainsize clause must be a positive integer | ||||||||
20142 | // expression. | ||||||||
20143 | if (!isNonNegativeIntegerValue( | ||||||||
20144 | ValExpr, *this, OMPC_grainsize, | ||||||||
20145 | /*StrictlyPositive=*/true, /*BuildCapture=*/true, | ||||||||
20146 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(), &CaptureRegion, &HelperValStmt)) | ||||||||
20147 | return nullptr; | ||||||||
20148 | |||||||||
20149 | return new (Context) OMPGrainsizeClause(ValExpr, HelperValStmt, CaptureRegion, | ||||||||
20150 | StartLoc, LParenLoc, EndLoc); | ||||||||
20151 | } | ||||||||
20152 | |||||||||
20153 | OMPClause *Sema::ActOnOpenMPNumTasksClause(Expr *NumTasks, | ||||||||
20154 | SourceLocation StartLoc, | ||||||||
20155 | SourceLocation LParenLoc, | ||||||||
20156 | SourceLocation EndLoc) { | ||||||||
20157 | Expr *ValExpr = NumTasks; | ||||||||
20158 | Stmt *HelperValStmt = nullptr; | ||||||||
20159 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; | ||||||||
20160 | |||||||||
20161 | // OpenMP [2.9.2, taskloop Constrcut] | ||||||||
20162 | // The parameter of the num_tasks clause must be a positive integer | ||||||||
20163 | // expression. | ||||||||
20164 | if (!isNonNegativeIntegerValue( | ||||||||
20165 | ValExpr, *this, OMPC_num_tasks, | ||||||||
20166 | /*StrictlyPositive=*/true, /*BuildCapture=*/true, | ||||||||
20167 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(), &CaptureRegion, &HelperValStmt)) | ||||||||
20168 | return nullptr; | ||||||||
20169 | |||||||||
20170 | return new (Context) OMPNumTasksClause(ValExpr, HelperValStmt, CaptureRegion, | ||||||||
20171 | StartLoc, LParenLoc, EndLoc); | ||||||||
20172 | } | ||||||||
20173 | |||||||||
20174 | OMPClause *Sema::ActOnOpenMPHintClause(Expr *Hint, SourceLocation StartLoc, | ||||||||
20175 | SourceLocation LParenLoc, | ||||||||
20176 | SourceLocation EndLoc) { | ||||||||
20177 | // OpenMP [2.13.2, critical construct, Description] | ||||||||
20178 | // ... where hint-expression is an integer constant expression that evaluates | ||||||||
20179 | // to a valid lock hint. | ||||||||
20180 | ExprResult HintExpr = VerifyPositiveIntegerConstantInClause(Hint, OMPC_hint); | ||||||||
20181 | if (HintExpr.isInvalid()) | ||||||||
20182 | return nullptr; | ||||||||
20183 | return new (Context) | ||||||||
20184 | OMPHintClause(HintExpr.get(), StartLoc, LParenLoc, EndLoc); | ||||||||
20185 | } | ||||||||
20186 | |||||||||
20187 | /// Tries to find omp_event_handle_t type. | ||||||||
20188 | static bool findOMPEventHandleT(Sema &S, SourceLocation Loc, | ||||||||
20189 | DSAStackTy *Stack) { | ||||||||
20190 | QualType OMPEventHandleT = Stack->getOMPEventHandleT(); | ||||||||
20191 | if (!OMPEventHandleT.isNull()) | ||||||||
20192 | return true; | ||||||||
20193 | IdentifierInfo *II = &S.PP.getIdentifierTable().get("omp_event_handle_t"); | ||||||||
20194 | ParsedType PT = S.getTypeName(*II, Loc, S.getCurScope()); | ||||||||
20195 | if (!PT.getAsOpaquePtr() || PT.get().isNull()) { | ||||||||
20196 | S.Diag(Loc, diag::err_omp_implied_type_not_found) << "omp_event_handle_t"; | ||||||||
20197 | return false; | ||||||||
20198 | } | ||||||||
20199 | Stack->setOMPEventHandleT(PT.get()); | ||||||||
20200 | return true; | ||||||||
20201 | } | ||||||||
20202 | |||||||||
20203 | OMPClause *Sema::ActOnOpenMPDetachClause(Expr *Evt, SourceLocation StartLoc, | ||||||||
20204 | SourceLocation LParenLoc, | ||||||||
20205 | SourceLocation EndLoc) { | ||||||||
20206 | if (!Evt->isValueDependent() && !Evt->isTypeDependent() && | ||||||||
20207 | !Evt->isInstantiationDependent() && | ||||||||
20208 | !Evt->containsUnexpandedParameterPack()) { | ||||||||
20209 | if (!findOMPEventHandleT(*this, Evt->getExprLoc(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||||||
20210 | return nullptr; | ||||||||
20211 | // OpenMP 5.0, 2.10.1 task Construct. | ||||||||
20212 | // event-handle is a variable of the omp_event_handle_t type. | ||||||||
20213 | auto *Ref = dyn_cast<DeclRefExpr>(Evt->IgnoreParenImpCasts()); | ||||||||
20214 | if (!Ref) { | ||||||||
20215 | Diag(Evt->getExprLoc(), diag::err_omp_var_expected) | ||||||||
20216 | << "omp_event_handle_t" << 0 << Evt->getSourceRange(); | ||||||||
20217 | return nullptr; | ||||||||
20218 | } | ||||||||
20219 | auto *VD = dyn_cast_or_null<VarDecl>(Ref->getDecl()); | ||||||||
20220 | if (!VD) { | ||||||||
20221 | Diag(Evt->getExprLoc(), diag::err_omp_var_expected) | ||||||||
20222 | << "omp_event_handle_t" << 0 << Evt->getSourceRange(); | ||||||||
20223 | return nullptr; | ||||||||
20224 | } | ||||||||
20225 | if (!Context.hasSameUnqualifiedType(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPEventHandleT(), | ||||||||
20226 | VD->getType()) || | ||||||||
20227 | VD->getType().isConstant(Context)) { | ||||||||
20228 | Diag(Evt->getExprLoc(), diag::err_omp_var_expected) | ||||||||
20229 | << "omp_event_handle_t" << 1 << VD->getType() | ||||||||
20230 | << Evt->getSourceRange(); | ||||||||
20231 | return nullptr; | ||||||||
20232 | } | ||||||||
20233 | // OpenMP 5.0, 2.10.1 task Construct | ||||||||
20234 | // [detach clause]... The event-handle will be considered as if it was | ||||||||
20235 | // specified on a firstprivate clause. | ||||||||
20236 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(VD, /*FromParent=*/false); | ||||||||
20237 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_firstprivate && | ||||||||
20238 | DVar.RefExpr) { | ||||||||
20239 | Diag(Evt->getExprLoc(), diag::err_omp_wrong_dsa) | ||||||||
20240 | << getOpenMPClauseName(DVar.CKind) | ||||||||
20241 | << getOpenMPClauseName(OMPC_firstprivate); | ||||||||
20242 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VD, DVar); | ||||||||
20243 | return nullptr; | ||||||||
20244 | } | ||||||||
20245 | } | ||||||||
20246 | |||||||||
20247 | return new (Context) OMPDetachClause(Evt, StartLoc, LParenLoc, EndLoc); | ||||||||
20248 | } | ||||||||
20249 | |||||||||
20250 | OMPClause *Sema::ActOnOpenMPDistScheduleClause( | ||||||||
20251 | OpenMPDistScheduleClauseKind Kind, Expr *ChunkSize, SourceLocation StartLoc, | ||||||||
20252 | SourceLocation LParenLoc, SourceLocation KindLoc, SourceLocation CommaLoc, | ||||||||
20253 | SourceLocation EndLoc) { | ||||||||
20254 | if (Kind == OMPC_DIST_SCHEDULE_unknown) { | ||||||||
20255 | std::string Values; | ||||||||
20256 | Values += "'"; | ||||||||
20257 | Values += getOpenMPSimpleClauseTypeName(OMPC_dist_schedule, 0); | ||||||||
20258 | Values += "'"; | ||||||||
20259 | Diag(KindLoc, diag::err_omp_unexpected_clause_value) | ||||||||
20260 | << Values << getOpenMPClauseName(OMPC_dist_schedule); | ||||||||
20261 | return nullptr; | ||||||||
20262 | } | ||||||||
20263 | Expr *ValExpr = ChunkSize; | ||||||||
20264 | Stmt *HelperValStmt = nullptr; | ||||||||
20265 | if (ChunkSize) { | ||||||||
20266 | if (!ChunkSize->isValueDependent() && !ChunkSize->isTypeDependent() && | ||||||||
20267 | !ChunkSize->isInstantiationDependent() && | ||||||||
20268 | !ChunkSize->containsUnexpandedParameterPack()) { | ||||||||
20269 | SourceLocation ChunkSizeLoc = ChunkSize->getBeginLoc(); | ||||||||
20270 | ExprResult Val = | ||||||||
20271 | PerformOpenMPImplicitIntegerConversion(ChunkSizeLoc, ChunkSize); | ||||||||
20272 | if (Val.isInvalid()) | ||||||||
20273 | return nullptr; | ||||||||
20274 | |||||||||
20275 | ValExpr = Val.get(); | ||||||||
20276 | |||||||||
20277 | // OpenMP [2.7.1, Restrictions] | ||||||||
20278 | // chunk_size must be a loop invariant integer expression with a positive | ||||||||
20279 | // value. | ||||||||
20280 | if (Optional<llvm::APSInt> Result = | ||||||||
20281 | ValExpr->getIntegerConstantExpr(Context)) { | ||||||||
20282 | if (Result->isSigned() && !Result->isStrictlyPositive()) { | ||||||||
20283 | Diag(ChunkSizeLoc, diag::err_omp_negative_expression_in_clause) | ||||||||
20284 | << "dist_schedule" << ChunkSize->getSourceRange(); | ||||||||
20285 | return nullptr; | ||||||||
20286 | } | ||||||||
20287 | } else if (getOpenMPCaptureRegionForClause( | ||||||||
20288 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(), OMPC_dist_schedule, | ||||||||
20289 | LangOpts.OpenMP) != OMPD_unknown && | ||||||||
20290 | !CurContext->isDependentContext()) { | ||||||||
20291 | ValExpr = MakeFullExpr(ValExpr).get(); | ||||||||
20292 | llvm::MapVector<const Expr *, DeclRefExpr *> Captures; | ||||||||
20293 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | ||||||||
20294 | HelperValStmt = buildPreInits(Context, Captures); | ||||||||
20295 | } | ||||||||
20296 | } | ||||||||
20297 | } | ||||||||
20298 | |||||||||
20299 | return new (Context) | ||||||||
20300 | OMPDistScheduleClause(StartLoc, LParenLoc, KindLoc, CommaLoc, EndLoc, | ||||||||
20301 | Kind, ValExpr, HelperValStmt); | ||||||||
20302 | } | ||||||||
20303 | |||||||||
20304 | OMPClause *Sema::ActOnOpenMPDefaultmapClause( | ||||||||
20305 | OpenMPDefaultmapClauseModifier M, OpenMPDefaultmapClauseKind Kind, | ||||||||
20306 | SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation MLoc, | ||||||||
20307 | SourceLocation KindLoc, SourceLocation EndLoc) { | ||||||||
20308 | if (getLangOpts().OpenMP < 50) { | ||||||||
20309 | if (M != OMPC_DEFAULTMAP_MODIFIER_tofrom || | ||||||||
20310 | Kind != OMPC_DEFAULTMAP_scalar) { | ||||||||
20311 | std::string Value; | ||||||||
20312 | SourceLocation Loc; | ||||||||
20313 | Value += "'"; | ||||||||
20314 | if (M != OMPC_DEFAULTMAP_MODIFIER_tofrom) { | ||||||||
20315 | Value += getOpenMPSimpleClauseTypeName(OMPC_defaultmap, | ||||||||
20316 | OMPC_DEFAULTMAP_MODIFIER_tofrom); | ||||||||
20317 | Loc = MLoc; | ||||||||
20318 | } else { | ||||||||
20319 | Value += getOpenMPSimpleClauseTypeName(OMPC_defaultmap, | ||||||||
20320 | OMPC_DEFAULTMAP_scalar); | ||||||||
20321 | Loc = KindLoc; | ||||||||
20322 | } | ||||||||
20323 | Value += "'"; | ||||||||
20324 | Diag(Loc, diag::err_omp_unexpected_clause_value) | ||||||||
20325 | << Value << getOpenMPClauseName(OMPC_defaultmap); | ||||||||
20326 | return nullptr; | ||||||||
20327 | } | ||||||||
20328 | } else { | ||||||||
20329 | bool isDefaultmapModifier = (M != OMPC_DEFAULTMAP_MODIFIER_unknown); | ||||||||
20330 | bool isDefaultmapKind = (Kind != OMPC_DEFAULTMAP_unknown) || | ||||||||
20331 | (LangOpts.OpenMP >= 50 && KindLoc.isInvalid()); | ||||||||
20332 | if (!isDefaultmapKind || !isDefaultmapModifier) { | ||||||||
20333 | StringRef KindValue = "'scalar', 'aggregate', 'pointer'"; | ||||||||
20334 | if (LangOpts.OpenMP == 50) { | ||||||||
20335 | StringRef ModifierValue = "'alloc', 'from', 'to', 'tofrom', " | ||||||||
20336 | "'firstprivate', 'none', 'default'"; | ||||||||
20337 | if (!isDefaultmapKind && isDefaultmapModifier) { | ||||||||
20338 | Diag(KindLoc, diag::err_omp_unexpected_clause_value) | ||||||||
20339 | << KindValue << getOpenMPClauseName(OMPC_defaultmap); | ||||||||
20340 | } else if (isDefaultmapKind && !isDefaultmapModifier) { | ||||||||
20341 | Diag(MLoc, diag::err_omp_unexpected_clause_value) | ||||||||
20342 | << ModifierValue << getOpenMPClauseName(OMPC_defaultmap); | ||||||||
20343 | } else { | ||||||||
20344 | Diag(MLoc, diag::err_omp_unexpected_clause_value) | ||||||||
20345 | << ModifierValue << getOpenMPClauseName(OMPC_defaultmap); | ||||||||
20346 | Diag(KindLoc, diag::err_omp_unexpected_clause_value) | ||||||||
20347 | << KindValue << getOpenMPClauseName(OMPC_defaultmap); | ||||||||
20348 | } | ||||||||
20349 | } else { | ||||||||
20350 | StringRef ModifierValue = | ||||||||
20351 | "'alloc', 'from', 'to', 'tofrom', " | ||||||||
20352 | "'firstprivate', 'none', 'default', 'present'"; | ||||||||
20353 | if (!isDefaultmapKind && isDefaultmapModifier) { | ||||||||
20354 | Diag(KindLoc, diag::err_omp_unexpected_clause_value) | ||||||||
20355 | << KindValue << getOpenMPClauseName(OMPC_defaultmap); | ||||||||
20356 | } else if (isDefaultmapKind && !isDefaultmapModifier) { | ||||||||
20357 | Diag(MLoc, diag::err_omp_unexpected_clause_value) | ||||||||
20358 | << ModifierValue << getOpenMPClauseName(OMPC_defaultmap); | ||||||||
20359 | } else { | ||||||||
20360 | Diag(MLoc, diag::err_omp_unexpected_clause_value) | ||||||||
20361 | << ModifierValue << getOpenMPClauseName(OMPC_defaultmap); | ||||||||
20362 | Diag(KindLoc, diag::err_omp_unexpected_clause_value) | ||||||||
20363 | << KindValue << getOpenMPClauseName(OMPC_defaultmap); | ||||||||
20364 | } | ||||||||
20365 | } | ||||||||
20366 | return nullptr; | ||||||||
20367 | } | ||||||||
20368 | |||||||||
20369 | // OpenMP [5.0, 2.12.5, Restrictions, p. 174] | ||||||||
20370 | // At most one defaultmap clause for each category can appear on the | ||||||||
20371 | // directive. | ||||||||
20372 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkDefaultmapCategory(Kind)) { | ||||||||
20373 | Diag(StartLoc, diag::err_omp_one_defaultmap_each_category); | ||||||||
20374 | return nullptr; | ||||||||
20375 | } | ||||||||
20376 | } | ||||||||
20377 | if (Kind == OMPC_DEFAULTMAP_unknown) { | ||||||||
20378 | // Variable category is not specified - mark all categories. | ||||||||
20379 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDMAAttr(M, OMPC_DEFAULTMAP_aggregate, StartLoc); | ||||||||
20380 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDMAAttr(M, OMPC_DEFAULTMAP_scalar, StartLoc); | ||||||||
20381 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDMAAttr(M, OMPC_DEFAULTMAP_pointer, StartLoc); | ||||||||
20382 | } else { | ||||||||
20383 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDMAAttr(M, Kind, StartLoc); | ||||||||
20384 | } | ||||||||
20385 | |||||||||
20386 | return new (Context) | ||||||||
20387 | OMPDefaultmapClause(StartLoc, LParenLoc, MLoc, KindLoc, EndLoc, Kind, M); | ||||||||
20388 | } | ||||||||
20389 | |||||||||
20390 | bool Sema::ActOnStartOpenMPDeclareTargetContext( | ||||||||
20391 | DeclareTargetContextInfo &DTCI) { | ||||||||
20392 | DeclContext *CurLexicalContext = getCurLexicalContext(); | ||||||||
20393 | if (!CurLexicalContext->isFileContext() && | ||||||||
20394 | !CurLexicalContext->isExternCContext() && | ||||||||
20395 | !CurLexicalContext->isExternCXXContext() && | ||||||||
20396 | !isa<CXXRecordDecl>(CurLexicalContext) && | ||||||||
20397 | !isa<ClassTemplateDecl>(CurLexicalContext) && | ||||||||
20398 | !isa<ClassTemplatePartialSpecializationDecl>(CurLexicalContext) && | ||||||||
20399 | !isa<ClassTemplateSpecializationDecl>(CurLexicalContext)) { | ||||||||
20400 | Diag(DTCI.Loc, diag::err_omp_region_not_file_context); | ||||||||
20401 | return false; | ||||||||
20402 | } | ||||||||
20403 | DeclareTargetNesting.push_back(DTCI); | ||||||||
20404 | return true; | ||||||||
20405 | } | ||||||||
20406 | |||||||||
20407 | const Sema::DeclareTargetContextInfo | ||||||||
20408 | Sema::ActOnOpenMPEndDeclareTargetDirective() { | ||||||||
20409 | assert(!DeclareTargetNesting.empty() &&((void)0) | ||||||||
20410 | "check isInOpenMPDeclareTargetContext() first!")((void)0); | ||||||||
20411 | return DeclareTargetNesting.pop_back_val(); | ||||||||
20412 | } | ||||||||
20413 | |||||||||
20414 | void Sema::ActOnFinishedOpenMPDeclareTargetContext( | ||||||||
20415 | DeclareTargetContextInfo &DTCI) { | ||||||||
20416 | for (auto &It : DTCI.ExplicitlyMapped) | ||||||||
20417 | ActOnOpenMPDeclareTargetName(It.first, It.second.Loc, It.second.MT, | ||||||||
20418 | DTCI.DT); | ||||||||
20419 | } | ||||||||
20420 | |||||||||
20421 | NamedDecl *Sema::lookupOpenMPDeclareTargetName(Scope *CurScope, | ||||||||
20422 | CXXScopeSpec &ScopeSpec, | ||||||||
20423 | const DeclarationNameInfo &Id) { | ||||||||
20424 | LookupResult Lookup(*this, Id, LookupOrdinaryName); | ||||||||
20425 | LookupParsedName(Lookup, CurScope, &ScopeSpec, true); | ||||||||
20426 | |||||||||
20427 | if (Lookup.isAmbiguous()) | ||||||||
20428 | return nullptr; | ||||||||
20429 | Lookup.suppressDiagnostics(); | ||||||||
20430 | |||||||||
20431 | if (!Lookup.isSingleResult()) { | ||||||||
20432 | VarOrFuncDeclFilterCCC CCC(*this); | ||||||||
20433 | if (TypoCorrection Corrected = | ||||||||
20434 | CorrectTypo(Id, LookupOrdinaryName, CurScope, nullptr, CCC, | ||||||||
20435 | CTK_ErrorRecovery)) { | ||||||||
20436 | diagnoseTypo(Corrected, PDiag(diag::err_undeclared_var_use_suggest) | ||||||||
20437 | << Id.getName()); | ||||||||
20438 | checkDeclIsAllowedInOpenMPTarget(nullptr, Corrected.getCorrectionDecl()); | ||||||||
20439 | return nullptr; | ||||||||
20440 | } | ||||||||
20441 | |||||||||
20442 | Diag(Id.getLoc(), diag::err_undeclared_var_use) << Id.getName(); | ||||||||
20443 | return nullptr; | ||||||||
20444 | } | ||||||||
20445 | |||||||||
20446 | NamedDecl *ND = Lookup.getAsSingle<NamedDecl>(); | ||||||||
20447 | if (!isa<VarDecl>(ND) && !isa<FunctionDecl>(ND) && | ||||||||
20448 | !isa<FunctionTemplateDecl>(ND)) { | ||||||||
20449 | Diag(Id.getLoc(), diag::err_omp_invalid_target_decl) << Id.getName(); | ||||||||
20450 | return nullptr; | ||||||||
20451 | } | ||||||||
20452 | return ND; | ||||||||
20453 | } | ||||||||
20454 | |||||||||
20455 | void Sema::ActOnOpenMPDeclareTargetName( | ||||||||
20456 | NamedDecl *ND, SourceLocation Loc, OMPDeclareTargetDeclAttr::MapTypeTy MT, | ||||||||
20457 | OMPDeclareTargetDeclAttr::DevTypeTy DT) { | ||||||||
20458 | assert((isa<VarDecl>(ND) || isa<FunctionDecl>(ND) ||((void)0) | ||||||||
20459 | isa<FunctionTemplateDecl>(ND)) &&((void)0) | ||||||||
20460 | "Expected variable, function or function template.")((void)0); | ||||||||
20461 | |||||||||
20462 | // Diagnose marking after use as it may lead to incorrect diagnosis and | ||||||||
20463 | // codegen. | ||||||||
20464 | if (LangOpts.OpenMP >= 50 && | ||||||||
20465 | (ND->isUsed(/*CheckUsedAttr=*/false) || ND->isReferenced())) | ||||||||
20466 | Diag(Loc, diag::warn_omp_declare_target_after_first_use); | ||||||||
20467 | |||||||||
20468 | // Explicit declare target lists have precedence. | ||||||||
20469 | const unsigned Level = -1; | ||||||||
20470 | |||||||||
20471 | auto *VD = cast<ValueDecl>(ND); | ||||||||
20472 | llvm::Optional<OMPDeclareTargetDeclAttr *> ActiveAttr = | ||||||||
20473 | OMPDeclareTargetDeclAttr::getActiveAttr(VD); | ||||||||
20474 | if (ActiveAttr.hasValue() && ActiveAttr.getValue()->getDevType() != DT && | ||||||||
20475 | ActiveAttr.getValue()->getLevel() == Level) { | ||||||||
20476 | Diag(Loc, diag::err_omp_device_type_mismatch) | ||||||||
20477 | << OMPDeclareTargetDeclAttr::ConvertDevTypeTyToStr(DT) | ||||||||
20478 | << OMPDeclareTargetDeclAttr::ConvertDevTypeTyToStr( | ||||||||
20479 | ActiveAttr.getValue()->getDevType()); | ||||||||
20480 | return; | ||||||||
20481 | } | ||||||||
20482 | if (ActiveAttr.hasValue() && ActiveAttr.getValue()->getMapType() != MT && | ||||||||
20483 | ActiveAttr.getValue()->getLevel() == Level) { | ||||||||
20484 | Diag(Loc, diag::err_omp_declare_target_to_and_link) << ND; | ||||||||
20485 | return; | ||||||||
20486 | } | ||||||||
20487 | |||||||||
20488 | if (ActiveAttr.hasValue() && ActiveAttr.getValue()->getLevel() == Level) | ||||||||
20489 | return; | ||||||||
20490 | |||||||||
20491 | auto *A = OMPDeclareTargetDeclAttr::CreateImplicit(Context, MT, DT, Level, | ||||||||
20492 | SourceRange(Loc, Loc)); | ||||||||
20493 | ND->addAttr(A); | ||||||||
20494 | if (ASTMutationListener *ML = Context.getASTMutationListener()) | ||||||||
20495 | ML->DeclarationMarkedOpenMPDeclareTarget(ND, A); | ||||||||
20496 | checkDeclIsAllowedInOpenMPTarget(nullptr, ND, Loc); | ||||||||
20497 | } | ||||||||
20498 | |||||||||
20499 | static void checkDeclInTargetContext(SourceLocation SL, SourceRange SR, | ||||||||
20500 | Sema &SemaRef, Decl *D) { | ||||||||
20501 | if (!D || !isa<VarDecl>(D)) | ||||||||
20502 | return; | ||||||||
20503 | auto *VD = cast<VarDecl>(D); | ||||||||
20504 | Optional<OMPDeclareTargetDeclAttr::MapTypeTy> MapTy = | ||||||||
20505 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD); | ||||||||
20506 | if (SemaRef.LangOpts.OpenMP >= 50 && | ||||||||
20507 | (SemaRef.getCurLambda(/*IgnoreNonLambdaCapturingScope=*/true) || | ||||||||
20508 | SemaRef.getCurBlock() || SemaRef.getCurCapturedRegion()) && | ||||||||
20509 | VD->hasGlobalStorage()) { | ||||||||
20510 | if (!MapTy || *MapTy != OMPDeclareTargetDeclAttr::MT_To) { | ||||||||
20511 | // OpenMP 5.0, 2.12.7 declare target Directive, Restrictions | ||||||||
20512 | // If a lambda declaration and definition appears between a | ||||||||
20513 | // declare target directive and the matching end declare target | ||||||||
20514 | // directive, all variables that are captured by the lambda | ||||||||
20515 | // expression must also appear in a to clause. | ||||||||
20516 | SemaRef.Diag(VD->getLocation(), | ||||||||
20517 | diag::err_omp_lambda_capture_in_declare_target_not_to); | ||||||||
20518 | SemaRef.Diag(SL, diag::note_var_explicitly_captured_here) | ||||||||
20519 | << VD << 0 << SR; | ||||||||
20520 | return; | ||||||||
20521 | } | ||||||||
20522 | } | ||||||||
20523 | if (MapTy.hasValue()) | ||||||||
20524 | return; | ||||||||
20525 | SemaRef.Diag(VD->getLocation(), diag::warn_omp_not_in_target_context); | ||||||||
20526 | SemaRef.Diag(SL, diag::note_used_here) << SR; | ||||||||
20527 | } | ||||||||
20528 | |||||||||
20529 | static bool checkValueDeclInTarget(SourceLocation SL, SourceRange SR, | ||||||||
20530 | Sema &SemaRef, DSAStackTy *Stack, | ||||||||
20531 | ValueDecl *VD) { | ||||||||
20532 | return OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD) || | ||||||||
20533 | checkTypeMappable(SL, SR, SemaRef, Stack, VD->getType(), | ||||||||
20534 | /*FullCheck=*/false); | ||||||||
20535 | } | ||||||||
20536 | |||||||||
20537 | void Sema::checkDeclIsAllowedInOpenMPTarget(Expr *E, Decl *D, | ||||||||
20538 | SourceLocation IdLoc) { | ||||||||
20539 | if (!D || D->isInvalidDecl()) | ||||||||
20540 | return; | ||||||||
20541 | SourceRange SR = E ? E->getSourceRange() : D->getSourceRange(); | ||||||||
20542 | SourceLocation SL = E ? E->getBeginLoc() : D->getLocation(); | ||||||||
20543 | if (auto *VD = dyn_cast<VarDecl>(D)) { | ||||||||
20544 | // Only global variables can be marked as declare target. | ||||||||
20545 | if (!VD->isFileVarDecl() && !VD->isStaticLocal() && | ||||||||
20546 | !VD->isStaticDataMember()) | ||||||||
20547 | return; | ||||||||
20548 | // 2.10.6: threadprivate variable cannot appear in a declare target | ||||||||
20549 | // directive. | ||||||||
20550 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isThreadPrivate(VD)) { | ||||||||
20551 | Diag(SL, diag::err_omp_threadprivate_in_target); | ||||||||
20552 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VD, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(VD, false)); | ||||||||
20553 | return; | ||||||||
20554 | } | ||||||||
20555 | } | ||||||||
20556 | if (const auto *FTD = dyn_cast<FunctionTemplateDecl>(D)) | ||||||||
20557 | D = FTD->getTemplatedDecl(); | ||||||||
20558 | if (auto *FD = dyn_cast<FunctionDecl>(D)) { | ||||||||
20559 | llvm::Optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res = | ||||||||
20560 | OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(FD); | ||||||||
20561 | if (IdLoc.isValid() && Res && *Res == OMPDeclareTargetDeclAttr::MT_Link) { | ||||||||
20562 | Diag(IdLoc, diag::err_omp_function_in_link_clause); | ||||||||
20563 | Diag(FD->getLocation(), diag::note_defined_here) << FD; | ||||||||
20564 | return; | ||||||||
20565 | } | ||||||||
20566 | } | ||||||||
20567 | if (auto *VD = dyn_cast<ValueDecl>(D)) { | ||||||||
20568 | // Problem if any with var declared with incomplete type will be reported | ||||||||
20569 | // as normal, so no need to check it here. | ||||||||
20570 | if ((E || !VD->getType()->isIncompleteType()) && | ||||||||
20571 | !checkValueDeclInTarget(SL, SR, *this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VD)) | ||||||||
20572 | return; | ||||||||
20573 | if (!E && isInOpenMPDeclareTargetContext()) { | ||||||||
20574 | // Checking declaration inside declare target region. | ||||||||
20575 | if (isa<VarDecl>(D) || isa<FunctionDecl>(D) || | ||||||||
20576 | isa<FunctionTemplateDecl>(D)) { | ||||||||
20577 | llvm::Optional<OMPDeclareTargetDeclAttr *> ActiveAttr = | ||||||||
20578 | OMPDeclareTargetDeclAttr::getActiveAttr(VD); | ||||||||
20579 | unsigned Level = DeclareTargetNesting.size(); | ||||||||
20580 | if (ActiveAttr.hasValue() && ActiveAttr.getValue()->getLevel() >= Level) | ||||||||
20581 | return; | ||||||||
20582 | DeclareTargetContextInfo &DTCI = DeclareTargetNesting.back(); | ||||||||
20583 | auto *A = OMPDeclareTargetDeclAttr::CreateImplicit( | ||||||||
20584 | Context, OMPDeclareTargetDeclAttr::MT_To, DTCI.DT, Level, | ||||||||
20585 | SourceRange(DTCI.Loc, DTCI.Loc)); | ||||||||
20586 | D->addAttr(A); | ||||||||
20587 | if (ASTMutationListener *ML = Context.getASTMutationListener()) | ||||||||
20588 | ML->DeclarationMarkedOpenMPDeclareTarget(D, A); | ||||||||
20589 | } | ||||||||
20590 | return; | ||||||||
20591 | } | ||||||||
20592 | } | ||||||||
20593 | if (!E) | ||||||||
20594 | return; | ||||||||
20595 | checkDeclInTargetContext(E->getExprLoc(), E->getSourceRange(), *this, D); | ||||||||
20596 | } | ||||||||
20597 | |||||||||
20598 | OMPClause *Sema::ActOnOpenMPToClause( | ||||||||
20599 | ArrayRef<OpenMPMotionModifierKind> MotionModifiers, | ||||||||
20600 | ArrayRef<SourceLocation> MotionModifiersLoc, | ||||||||
20601 | CXXScopeSpec &MapperIdScopeSpec, DeclarationNameInfo &MapperId, | ||||||||
20602 | SourceLocation ColonLoc, ArrayRef<Expr *> VarList, | ||||||||
20603 | const OMPVarListLocTy &Locs, ArrayRef<Expr *> UnresolvedMappers) { | ||||||||
20604 | OpenMPMotionModifierKind Modifiers[] = {OMPC_MOTION_MODIFIER_unknown, | ||||||||
20605 | OMPC_MOTION_MODIFIER_unknown}; | ||||||||
20606 | SourceLocation ModifiersLoc[NumberOfOMPMotionModifiers]; | ||||||||
20607 | |||||||||
20608 | // Process motion-modifiers, flag errors for duplicate modifiers. | ||||||||
20609 | unsigned Count = 0; | ||||||||
20610 | for (unsigned I = 0, E = MotionModifiers.size(); I < E; ++I) { | ||||||||
20611 | if (MotionModifiers[I] != OMPC_MOTION_MODIFIER_unknown && | ||||||||
20612 | llvm::find(Modifiers, MotionModifiers[I]) != std::end(Modifiers)) { | ||||||||
20613 | Diag(MotionModifiersLoc[I], diag::err_omp_duplicate_motion_modifier); | ||||||||
20614 | continue; | ||||||||
20615 | } | ||||||||
20616 | assert(Count < NumberOfOMPMotionModifiers &&((void)0) | ||||||||
20617 | "Modifiers exceed the allowed number of motion modifiers")((void)0); | ||||||||
20618 | Modifiers[Count] = MotionModifiers[I]; | ||||||||
20619 | ModifiersLoc[Count] = MotionModifiersLoc[I]; | ||||||||
20620 | ++Count; | ||||||||
20621 | } | ||||||||
20622 | |||||||||
20623 | MappableVarListInfo MVLI(VarList); | ||||||||
20624 | checkMappableExpressionList(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_to, MVLI, Locs.StartLoc, | ||||||||
20625 | MapperIdScopeSpec, MapperId, UnresolvedMappers); | ||||||||
20626 | if (MVLI.ProcessedVarList.empty()) | ||||||||
20627 | return nullptr; | ||||||||
20628 | |||||||||
20629 | return OMPToClause::Create( | ||||||||
20630 | Context, Locs, MVLI.ProcessedVarList, MVLI.VarBaseDeclarations, | ||||||||
20631 | MVLI.VarComponents, MVLI.UDMapperList, Modifiers, ModifiersLoc, | ||||||||
20632 | MapperIdScopeSpec.getWithLocInContext(Context), MapperId); | ||||||||
20633 | } | ||||||||
20634 | |||||||||
20635 | OMPClause *Sema::ActOnOpenMPFromClause( | ||||||||
20636 | ArrayRef<OpenMPMotionModifierKind> MotionModifiers, | ||||||||
20637 | ArrayRef<SourceLocation> MotionModifiersLoc, | ||||||||
20638 | CXXScopeSpec &MapperIdScopeSpec, DeclarationNameInfo &MapperId, | ||||||||
20639 | SourceLocation ColonLoc, ArrayRef<Expr *> VarList, | ||||||||
20640 | const OMPVarListLocTy &Locs, ArrayRef<Expr *> UnresolvedMappers) { | ||||||||
20641 | OpenMPMotionModifierKind Modifiers[] = {OMPC_MOTION_MODIFIER_unknown, | ||||||||
20642 | OMPC_MOTION_MODIFIER_unknown}; | ||||||||
20643 | SourceLocation ModifiersLoc[NumberOfOMPMotionModifiers]; | ||||||||
20644 | |||||||||
20645 | // Process motion-modifiers, flag errors for duplicate modifiers. | ||||||||
20646 | unsigned Count = 0; | ||||||||
20647 | for (unsigned I = 0, E = MotionModifiers.size(); I < E; ++I) { | ||||||||
20648 | if (MotionModifiers[I] != OMPC_MOTION_MODIFIER_unknown && | ||||||||
20649 | llvm::find(Modifiers, MotionModifiers[I]) != std::end(Modifiers)) { | ||||||||
20650 | Diag(MotionModifiersLoc[I], diag::err_omp_duplicate_motion_modifier); | ||||||||
20651 | continue; | ||||||||
20652 | } | ||||||||
20653 | assert(Count < NumberOfOMPMotionModifiers &&((void)0) | ||||||||
20654 | "Modifiers exceed the allowed number of motion modifiers")((void)0); | ||||||||
20655 | Modifiers[Count] = MotionModifiers[I]; | ||||||||
20656 | ModifiersLoc[Count] = MotionModifiersLoc[I]; | ||||||||
20657 | ++Count; | ||||||||
20658 | } | ||||||||
20659 | |||||||||
20660 | MappableVarListInfo MVLI(VarList); | ||||||||
20661 | checkMappableExpressionList(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_from, MVLI, Locs.StartLoc, | ||||||||
20662 | MapperIdScopeSpec, MapperId, UnresolvedMappers); | ||||||||
20663 | if (MVLI.ProcessedVarList.empty()) | ||||||||
20664 | return nullptr; | ||||||||
20665 | |||||||||
20666 | return OMPFromClause::Create( | ||||||||
20667 | Context, Locs, MVLI.ProcessedVarList, MVLI.VarBaseDeclarations, | ||||||||
20668 | MVLI.VarComponents, MVLI.UDMapperList, Modifiers, ModifiersLoc, | ||||||||
20669 | MapperIdScopeSpec.getWithLocInContext(Context), MapperId); | ||||||||
20670 | } | ||||||||
20671 | |||||||||
20672 | OMPClause *Sema::ActOnOpenMPUseDevicePtrClause(ArrayRef<Expr *> VarList, | ||||||||
20673 | const OMPVarListLocTy &Locs) { | ||||||||
20674 | MappableVarListInfo MVLI(VarList); | ||||||||
20675 | SmallVector<Expr *, 8> PrivateCopies; | ||||||||
20676 | SmallVector<Expr *, 8> Inits; | ||||||||
20677 | |||||||||
20678 | for (Expr *RefExpr : VarList) { | ||||||||
20679 | assert(RefExpr && "NULL expr in OpenMP use_device_ptr clause.")((void)0); | ||||||||
20680 | SourceLocation ELoc; | ||||||||
20681 | SourceRange ERange; | ||||||||
20682 | Expr *SimpleRefExpr = RefExpr; | ||||||||
20683 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | ||||||||
20684 | if (Res.second) { | ||||||||
20685 | // It will be analyzed later. | ||||||||
20686 | MVLI.ProcessedVarList.push_back(RefExpr); | ||||||||
20687 | PrivateCopies.push_back(nullptr); | ||||||||
20688 | Inits.push_back(nullptr); | ||||||||
20689 | } | ||||||||
20690 | ValueDecl *D = Res.first; | ||||||||
20691 | if (!D) | ||||||||
20692 | continue; | ||||||||
20693 | |||||||||
20694 | QualType Type = D->getType(); | ||||||||
20695 | Type = Type.getNonReferenceType().getUnqualifiedType(); | ||||||||
20696 | |||||||||
20697 | auto *VD = dyn_cast<VarDecl>(D); | ||||||||
20698 | |||||||||
20699 | // Item should be a pointer or reference to pointer. | ||||||||
20700 | if (!Type->isPointerType()) { | ||||||||
20701 | Diag(ELoc, diag::err_omp_usedeviceptr_not_a_pointer) | ||||||||
20702 | << 0 << RefExpr->getSourceRange(); | ||||||||
20703 | continue; | ||||||||
20704 | } | ||||||||
20705 | |||||||||
20706 | // Build the private variable and the expression that refers to it. | ||||||||
20707 | auto VDPrivate = | ||||||||
20708 | buildVarDecl(*this, ELoc, Type, D->getName(), | ||||||||
20709 | D->hasAttrs() ? &D->getAttrs() : nullptr, | ||||||||
20710 | VD ? cast<DeclRefExpr>(SimpleRefExpr) : nullptr); | ||||||||
20711 | if (VDPrivate->isInvalidDecl()) | ||||||||
20712 | continue; | ||||||||
20713 | |||||||||
20714 | CurContext->addDecl(VDPrivate); | ||||||||
20715 | DeclRefExpr *VDPrivateRefExpr = buildDeclRefExpr( | ||||||||
20716 | *this, VDPrivate, RefExpr->getType().getUnqualifiedType(), ELoc); | ||||||||
20717 | |||||||||
20718 | // Add temporary variable to initialize the private copy of the pointer. | ||||||||
20719 | VarDecl *VDInit = | ||||||||
20720 | buildVarDecl(*this, RefExpr->getExprLoc(), Type, ".devptr.temp"); | ||||||||
20721 | DeclRefExpr *VDInitRefExpr = buildDeclRefExpr( | ||||||||
20722 | *this, VDInit, RefExpr->getType(), RefExpr->getExprLoc()); | ||||||||
20723 | AddInitializerToDecl(VDPrivate, | ||||||||
20724 | DefaultLvalueConversion(VDInitRefExpr).get(), | ||||||||
20725 | /*DirectInit=*/false); | ||||||||
20726 | |||||||||
20727 | // If required, build a capture to implement the privatization initialized | ||||||||
20728 | // with the current list item value. | ||||||||
20729 | DeclRefExpr *Ref = nullptr; | ||||||||
20730 | if (!VD) | ||||||||
20731 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/true); | ||||||||
20732 | MVLI.ProcessedVarList.push_back(VD ? RefExpr->IgnoreParens() : Ref); | ||||||||
20733 | PrivateCopies.push_back(VDPrivateRefExpr); | ||||||||
20734 | Inits.push_back(VDInitRefExpr); | ||||||||
20735 | |||||||||
20736 | // We need to add a data sharing attribute for this variable to make sure it | ||||||||
20737 | // is correctly captured. A variable that shows up in a use_device_ptr has | ||||||||
20738 | // similar properties of a first private variable. | ||||||||
20739 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_firstprivate, Ref); | ||||||||
20740 | |||||||||
20741 | // Create a mappable component for the list item. List items in this clause | ||||||||
20742 | // only need a component. | ||||||||
20743 | MVLI.VarBaseDeclarations.push_back(D); | ||||||||
20744 | MVLI.VarComponents.resize(MVLI.VarComponents.size() + 1); | ||||||||
20745 | MVLI.VarComponents.back().emplace_back(SimpleRefExpr, D, | ||||||||
20746 | /*IsNonContiguous=*/false); | ||||||||
20747 | } | ||||||||
20748 | |||||||||
20749 | if (MVLI.ProcessedVarList.empty()) | ||||||||
20750 | return nullptr; | ||||||||
20751 | |||||||||
20752 | return OMPUseDevicePtrClause::Create( | ||||||||
20753 | Context, Locs, MVLI.ProcessedVarList, PrivateCopies, Inits, | ||||||||
20754 | MVLI.VarBaseDeclarations, MVLI.VarComponents); | ||||||||
20755 | } | ||||||||
20756 | |||||||||
20757 | OMPClause *Sema::ActOnOpenMPUseDeviceAddrClause(ArrayRef<Expr *> VarList, | ||||||||
20758 | const OMPVarListLocTy &Locs) { | ||||||||
20759 | MappableVarListInfo MVLI(VarList); | ||||||||
20760 | |||||||||
20761 | for (Expr *RefExpr : VarList) { | ||||||||
20762 | assert(RefExpr && "NULL expr in OpenMP use_device_addr clause.")((void)0); | ||||||||
20763 | SourceLocation ELoc; | ||||||||
20764 | SourceRange ERange; | ||||||||
20765 | Expr *SimpleRefExpr = RefExpr; | ||||||||
20766 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange, | ||||||||
20767 | /*AllowArraySection=*/true); | ||||||||
20768 | if (Res.second) { | ||||||||
20769 | // It will be analyzed later. | ||||||||
20770 | MVLI.ProcessedVarList.push_back(RefExpr); | ||||||||
20771 | } | ||||||||
20772 | ValueDecl *D = Res.first; | ||||||||
20773 | if (!D) | ||||||||
20774 | continue; | ||||||||
20775 | auto *VD = dyn_cast<VarDecl>(D); | ||||||||
20776 | |||||||||
20777 | // If required, build a capture to implement the privatization initialized | ||||||||
20778 | // with the current list item value. | ||||||||
20779 | DeclRefExpr *Ref = nullptr; | ||||||||
20780 | if (!VD) | ||||||||
20781 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/true); | ||||||||
20782 | MVLI.ProcessedVarList.push_back(VD ? RefExpr->IgnoreParens() : Ref); | ||||||||
20783 | |||||||||
20784 | // We need to add a data sharing attribute for this variable to make sure it | ||||||||
20785 | // is correctly captured. A variable that shows up in a use_device_addr has | ||||||||
20786 | // similar properties of a first private variable. | ||||||||
20787 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_firstprivate, Ref); | ||||||||
20788 | |||||||||
20789 | // Create a mappable component for the list item. List items in this clause | ||||||||
20790 | // only need a component. | ||||||||
20791 | MVLI.VarBaseDeclarations.push_back(D); | ||||||||
20792 | MVLI.VarComponents.emplace_back(); | ||||||||
20793 | Expr *Component = SimpleRefExpr; | ||||||||
20794 | if (VD && (isa<OMPArraySectionExpr>(RefExpr->IgnoreParenImpCasts()) || | ||||||||
20795 | isa<ArraySubscriptExpr>(RefExpr->IgnoreParenImpCasts()))) | ||||||||
20796 | Component = DefaultFunctionArrayLvalueConversion(SimpleRefExpr).get(); | ||||||||
20797 | MVLI.VarComponents.back().emplace_back(Component, D, | ||||||||
20798 | /*IsNonContiguous=*/false); | ||||||||
20799 | } | ||||||||
20800 | |||||||||
20801 | if (MVLI.ProcessedVarList.empty()) | ||||||||
20802 | return nullptr; | ||||||||
20803 | |||||||||
20804 | return OMPUseDeviceAddrClause::Create(Context, Locs, MVLI.ProcessedVarList, | ||||||||
20805 | MVLI.VarBaseDeclarations, | ||||||||
20806 | MVLI.VarComponents); | ||||||||
20807 | } | ||||||||
20808 | |||||||||
20809 | OMPClause *Sema::ActOnOpenMPIsDevicePtrClause(ArrayRef<Expr *> VarList, | ||||||||
20810 | const OMPVarListLocTy &Locs) { | ||||||||
20811 | MappableVarListInfo MVLI(VarList); | ||||||||
20812 | for (Expr *RefExpr : VarList) { | ||||||||
20813 | assert(RefExpr && "NULL expr in OpenMP is_device_ptr clause.")((void)0); | ||||||||
20814 | SourceLocation ELoc; | ||||||||
20815 | SourceRange ERange; | ||||||||
20816 | Expr *SimpleRefExpr = RefExpr; | ||||||||
20817 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | ||||||||
20818 | if (Res.second) { | ||||||||
20819 | // It will be analyzed later. | ||||||||
20820 | MVLI.ProcessedVarList.push_back(RefExpr); | ||||||||
20821 | } | ||||||||
20822 | ValueDecl *D = Res.first; | ||||||||
20823 | if (!D) | ||||||||
20824 | continue; | ||||||||
20825 | |||||||||
20826 | QualType Type = D->getType(); | ||||||||
20827 | // item should be a pointer or array or reference to pointer or array | ||||||||
20828 | if (!Type.getNonReferenceType()->isPointerType() && | ||||||||
20829 | !Type.getNonReferenceType()->isArrayType()) { | ||||||||
20830 | Diag(ELoc, diag::err_omp_argument_type_isdeviceptr) | ||||||||
20831 | << 0 << RefExpr->getSourceRange(); | ||||||||
20832 | continue; | ||||||||
20833 | } | ||||||||
20834 | |||||||||
20835 | // Check if the declaration in the clause does not show up in any data | ||||||||
20836 | // sharing attribute. | ||||||||
20837 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/false); | ||||||||
20838 | if (isOpenMPPrivate(DVar.CKind)) { | ||||||||
20839 | Diag(ELoc, diag::err_omp_variable_in_given_clause_and_dsa) | ||||||||
20840 | << getOpenMPClauseName(DVar.CKind) | ||||||||
20841 | << getOpenMPClauseName(OMPC_is_device_ptr) | ||||||||
20842 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); | ||||||||
20843 | reportOriginalDsa(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | ||||||||
20844 | continue; | ||||||||
20845 | } | ||||||||
20846 | |||||||||
20847 | const Expr *ConflictExpr; | ||||||||
20848 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDecl( | ||||||||
20849 | D, /*CurrentRegionOnly=*/true, | ||||||||
20850 | [&ConflictExpr]( | ||||||||
20851 | OMPClauseMappableExprCommon::MappableExprComponentListRef R, | ||||||||
20852 | OpenMPClauseKind) -> bool { | ||||||||
20853 | ConflictExpr = R.front().getAssociatedExpression(); | ||||||||
20854 | return true; | ||||||||
20855 | })) { | ||||||||
20856 | Diag(ELoc, diag::err_omp_map_shared_storage) << RefExpr->getSourceRange(); | ||||||||
20857 | Diag(ConflictExpr->getExprLoc(), diag::note_used_here) | ||||||||
20858 | << ConflictExpr->getSourceRange(); | ||||||||
20859 | continue; | ||||||||
20860 | } | ||||||||
20861 | |||||||||
20862 | // Store the components in the stack so that they can be used to check | ||||||||
20863 | // against other clauses later on. | ||||||||
20864 | OMPClauseMappableExprCommon::MappableComponent MC( | ||||||||
20865 | SimpleRefExpr, D, /*IsNonContiguous=*/false); | ||||||||
20866 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addMappableExpressionComponents( | ||||||||
20867 | D, MC, /*WhereFoundClauseKind=*/OMPC_is_device_ptr); | ||||||||
20868 | |||||||||
20869 | // Record the expression we've just processed. | ||||||||
20870 | MVLI.ProcessedVarList.push_back(SimpleRefExpr); | ||||||||
20871 | |||||||||
20872 | // Create a mappable component for the list item. List items in this clause | ||||||||
20873 | // only need a component. We use a null declaration to signal fields in | ||||||||
20874 | // 'this'. | ||||||||
20875 | assert((isa<DeclRefExpr>(SimpleRefExpr) ||((void)0) | ||||||||
20876 | isa<CXXThisExpr>(cast<MemberExpr>(SimpleRefExpr)->getBase())) &&((void)0) | ||||||||
20877 | "Unexpected device pointer expression!")((void)0); | ||||||||
20878 | MVLI.VarBaseDeclarations.push_back( | ||||||||
20879 | isa<DeclRefExpr>(SimpleRefExpr) ? D : nullptr); | ||||||||
20880 | MVLI.VarComponents.resize(MVLI.VarComponents.size() + 1); | ||||||||
20881 | MVLI.VarComponents.back().push_back(MC); | ||||||||
20882 | } | ||||||||
20883 | |||||||||
20884 | if (MVLI.ProcessedVarList.empty()) | ||||||||
20885 | return nullptr; | ||||||||
20886 | |||||||||
20887 | return OMPIsDevicePtrClause::Create(Context, Locs, MVLI.ProcessedVarList, | ||||||||
20888 | MVLI.VarBaseDeclarations, | ||||||||
20889 | MVLI.VarComponents); | ||||||||
20890 | } | ||||||||
20891 | |||||||||
20892 | OMPClause *Sema::ActOnOpenMPAllocateClause( | ||||||||
20893 | Expr *Allocator, ArrayRef<Expr *> VarList, SourceLocation StartLoc, | ||||||||
20894 | SourceLocation ColonLoc, SourceLocation LParenLoc, SourceLocation EndLoc) { | ||||||||
20895 | if (Allocator) { | ||||||||
20896 | // OpenMP [2.11.4 allocate Clause, Description] | ||||||||
20897 | // allocator is an expression of omp_allocator_handle_t type. | ||||||||
20898 | if (!findOMPAllocatorHandleT(*this, Allocator->getExprLoc(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||||||
20899 | return nullptr; | ||||||||
20900 | |||||||||
20901 | ExprResult AllocatorRes = DefaultLvalueConversion(Allocator); | ||||||||
20902 | if (AllocatorRes.isInvalid()) | ||||||||
20903 | return nullptr; | ||||||||
20904 | AllocatorRes = PerformImplicitConversion(AllocatorRes.get(), | ||||||||
20905 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPAllocatorHandleT(), | ||||||||
20906 | Sema::AA_Initializing, | ||||||||
20907 | /*AllowExplicit=*/true); | ||||||||
20908 | if (AllocatorRes.isInvalid()) | ||||||||
20909 | return nullptr; | ||||||||
20910 | Allocator = AllocatorRes.get(); | ||||||||
20911 | } else { | ||||||||
20912 | // OpenMP 5.0, 2.11.4 allocate Clause, Restrictions. | ||||||||
20913 | // allocate clauses that appear on a target construct or on constructs in a | ||||||||
20914 | // target region must specify an allocator expression unless a requires | ||||||||
20915 | // directive with the dynamic_allocators clause is present in the same | ||||||||
20916 | // compilation unit. | ||||||||
20917 | if (LangOpts.OpenMPIsDevice && | ||||||||
20918 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasRequiresDeclWithClause<OMPDynamicAllocatorsClause>()) | ||||||||
20919 | targetDiag(StartLoc, diag::err_expected_allocator_expression); | ||||||||
20920 | } | ||||||||
20921 | // Analyze and build list of variables. | ||||||||
20922 | SmallVector<Expr *, 8> Vars; | ||||||||
20923 | for (Expr *RefExpr : VarList) { | ||||||||
20924 | assert(RefExpr && "NULL expr in OpenMP private clause.")((void)0); | ||||||||
20925 | SourceLocation ELoc; | ||||||||
20926 | SourceRange ERange; | ||||||||
20927 | Expr *SimpleRefExpr = RefExpr; | ||||||||
20928 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | ||||||||
20929 | if (Res.second) { | ||||||||
20930 | // It will be analyzed later. | ||||||||
20931 | Vars.push_back(RefExpr); | ||||||||
20932 | } | ||||||||
20933 | ValueDecl *D = Res.first; | ||||||||
20934 | if (!D) | ||||||||
20935 | continue; | ||||||||
20936 | |||||||||
20937 | auto *VD = dyn_cast<VarDecl>(D); | ||||||||
20938 | DeclRefExpr *Ref = nullptr; | ||||||||
20939 | if (!VD && !CurContext->isDependentContext()) | ||||||||
20940 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/false); | ||||||||
20941 | Vars.push_back((VD || CurContext->isDependentContext()) | ||||||||
20942 | ? RefExpr->IgnoreParens() | ||||||||
20943 | : Ref); | ||||||||
20944 | } | ||||||||
20945 | |||||||||
20946 | if (Vars.empty()) | ||||||||
20947 | return nullptr; | ||||||||
20948 | |||||||||
20949 | if (Allocator) | ||||||||
20950 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addInnerAllocatorExpr(Allocator); | ||||||||
20951 | return OMPAllocateClause::Create(Context, StartLoc, LParenLoc, Allocator, | ||||||||
20952 | ColonLoc, EndLoc, Vars); | ||||||||
20953 | } | ||||||||
20954 | |||||||||
20955 | OMPClause *Sema::ActOnOpenMPNontemporalClause(ArrayRef<Expr *> VarList, | ||||||||
20956 | SourceLocation StartLoc, | ||||||||
20957 | SourceLocation LParenLoc, | ||||||||
20958 | SourceLocation EndLoc) { | ||||||||
20959 | SmallVector<Expr *, 8> Vars; | ||||||||
20960 | for (Expr *RefExpr : VarList) { | ||||||||
20961 | assert(RefExpr && "NULL expr in OpenMP nontemporal clause.")((void)0); | ||||||||
20962 | SourceLocation ELoc; | ||||||||
20963 | SourceRange ERange; | ||||||||
20964 | Expr *SimpleRefExpr = RefExpr; | ||||||||
20965 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | ||||||||
20966 | if (Res.second) | ||||||||
20967 | // It will be analyzed later. | ||||||||
20968 | Vars.push_back(RefExpr); | ||||||||
20969 | ValueDecl *D = Res.first; | ||||||||
20970 | if (!D) | ||||||||
20971 | continue; | ||||||||
20972 | |||||||||
20973 | // OpenMP 5.0, 2.9.3.1 simd Construct, Restrictions. | ||||||||
20974 | // A list-item cannot appear in more than one nontemporal clause. | ||||||||
20975 | if (const Expr *PrevRef = | ||||||||
20976 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addUniqueNontemporal(D, SimpleRefExpr)) { | ||||||||
20977 | Diag(ELoc, diag::err_omp_used_in_clause_twice) | ||||||||
20978 | << 0 << getOpenMPClauseName(OMPC_nontemporal) << ERange; | ||||||||
20979 | Diag(PrevRef->getExprLoc(), diag::note_omp_explicit_dsa) | ||||||||
20980 | << getOpenMPClauseName(OMPC_nontemporal); | ||||||||
20981 | continue; | ||||||||
20982 | } | ||||||||
20983 | |||||||||
20984 | Vars.push_back(RefExpr); | ||||||||
20985 | } | ||||||||
20986 | |||||||||
20987 | if (Vars.empty()) | ||||||||
20988 | return nullptr; | ||||||||
20989 | |||||||||
20990 | return OMPNontemporalClause::Create(Context, StartLoc, LParenLoc, EndLoc, | ||||||||
20991 | Vars); | ||||||||
20992 | } | ||||||||
20993 | |||||||||
20994 | OMPClause *Sema::ActOnOpenMPInclusiveClause(ArrayRef<Expr *> VarList, | ||||||||
20995 | SourceLocation StartLoc, | ||||||||
20996 | SourceLocation LParenLoc, | ||||||||
20997 | SourceLocation EndLoc) { | ||||||||
20998 | SmallVector<Expr *, 8> Vars; | ||||||||
20999 | for (Expr *RefExpr : VarList) { | ||||||||
21000 | assert(RefExpr && "NULL expr in OpenMP nontemporal clause.")((void)0); | ||||||||
21001 | SourceLocation ELoc; | ||||||||
21002 | SourceRange ERange; | ||||||||
21003 | Expr *SimpleRefExpr = RefExpr; | ||||||||
21004 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange, | ||||||||
21005 | /*AllowArraySection=*/true); | ||||||||
21006 | if (Res.second) | ||||||||
21007 | // It will be analyzed later. | ||||||||
21008 | Vars.push_back(RefExpr); | ||||||||
21009 | ValueDecl *D = Res.first; | ||||||||
21010 | if (!D) | ||||||||
21011 | continue; | ||||||||
21012 | |||||||||
21013 | const DSAStackTy::DSAVarData DVar = | ||||||||
21014 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/true); | ||||||||
21015 | // OpenMP 5.0, 2.9.6, scan Directive, Restrictions. | ||||||||
21016 | // A list item that appears in the inclusive or exclusive clause must appear | ||||||||
21017 | // in a reduction clause with the inscan modifier on the enclosing | ||||||||
21018 | // worksharing-loop, worksharing-loop SIMD, or simd construct. | ||||||||
21019 | if (DVar.CKind != OMPC_reduction || | ||||||||
21020 | DVar.Modifier != OMPC_REDUCTION_inscan) | ||||||||
21021 | Diag(ELoc, diag::err_omp_inclusive_exclusive_not_reduction) | ||||||||
21022 | << RefExpr->getSourceRange(); | ||||||||
21023 | |||||||||
21024 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentDirective() != OMPD_unknown) | ||||||||
21025 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->markDeclAsUsedInScanDirective(D); | ||||||||
21026 | Vars.push_back(RefExpr); | ||||||||
21027 | } | ||||||||
21028 | |||||||||
21029 | if (Vars.empty()) | ||||||||
21030 | return nullptr; | ||||||||
21031 | |||||||||
21032 | return OMPInclusiveClause::Create(Context, StartLoc, LParenLoc, EndLoc, Vars); | ||||||||
21033 | } | ||||||||
21034 | |||||||||
21035 | OMPClause *Sema::ActOnOpenMPExclusiveClause(ArrayRef<Expr *> VarList, | ||||||||
21036 | SourceLocation StartLoc, | ||||||||
21037 | SourceLocation LParenLoc, | ||||||||
21038 | SourceLocation EndLoc) { | ||||||||
21039 | SmallVector<Expr *, 8> Vars; | ||||||||
21040 | for (Expr *RefExpr : VarList) { | ||||||||
21041 | assert(RefExpr && "NULL expr in OpenMP nontemporal clause.")((void)0); | ||||||||
21042 | SourceLocation ELoc; | ||||||||
21043 | SourceRange ERange; | ||||||||
21044 | Expr *SimpleRefExpr = RefExpr; | ||||||||
21045 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange, | ||||||||
21046 | /*AllowArraySection=*/true); | ||||||||
21047 | if (Res.second) | ||||||||
21048 | // It will be analyzed later. | ||||||||
21049 | Vars.push_back(RefExpr); | ||||||||
21050 | ValueDecl *D = Res.first; | ||||||||
21051 | if (!D) | ||||||||
21052 | continue; | ||||||||
21053 | |||||||||
21054 | OpenMPDirectiveKind ParentDirective = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentDirective(); | ||||||||
21055 | DSAStackTy::DSAVarData DVar; | ||||||||
21056 | if (ParentDirective != OMPD_unknown) | ||||||||
21057 | DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, /*FromParent=*/true); | ||||||||
21058 | // OpenMP 5.0, 2.9.6, scan Directive, Restrictions. | ||||||||
21059 | // A list item that appears in the inclusive or exclusive clause must appear | ||||||||
21060 | // in a reduction clause with the inscan modifier on the enclosing | ||||||||
21061 | // worksharing-loop, worksharing-loop SIMD, or simd construct. | ||||||||
21062 | if (ParentDirective == OMPD_unknown || DVar.CKind != OMPC_reduction || | ||||||||
21063 | DVar.Modifier != OMPC_REDUCTION_inscan) { | ||||||||
21064 | Diag(ELoc, diag::err_omp_inclusive_exclusive_not_reduction) | ||||||||
21065 | << RefExpr->getSourceRange(); | ||||||||
21066 | } else { | ||||||||
21067 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->markDeclAsUsedInScanDirective(D); | ||||||||
21068 | } | ||||||||
21069 | Vars.push_back(RefExpr); | ||||||||
21070 | } | ||||||||
21071 | |||||||||
21072 | if (Vars.empty()) | ||||||||
21073 | return nullptr; | ||||||||
21074 | |||||||||
21075 | return OMPExclusiveClause::Create(Context, StartLoc, LParenLoc, EndLoc, Vars); | ||||||||
21076 | } | ||||||||
21077 | |||||||||
21078 | /// Tries to find omp_alloctrait_t type. | ||||||||
21079 | static bool findOMPAlloctraitT(Sema &S, SourceLocation Loc, DSAStackTy *Stack) { | ||||||||
21080 | QualType OMPAlloctraitT = Stack->getOMPAlloctraitT(); | ||||||||
21081 | if (!OMPAlloctraitT.isNull()) | ||||||||
21082 | return true; | ||||||||
21083 | IdentifierInfo &II = S.PP.getIdentifierTable().get("omp_alloctrait_t"); | ||||||||
21084 | ParsedType PT = S.getTypeName(II, Loc, S.getCurScope()); | ||||||||
21085 | if (!PT.getAsOpaquePtr() || PT.get().isNull()) { | ||||||||
21086 | S.Diag(Loc, diag::err_omp_implied_type_not_found) << "omp_alloctrait_t"; | ||||||||
21087 | return false; | ||||||||
21088 | } | ||||||||
21089 | Stack->setOMPAlloctraitT(PT.get()); | ||||||||
21090 | return true; | ||||||||
21091 | } | ||||||||
21092 | |||||||||
21093 | OMPClause *Sema::ActOnOpenMPUsesAllocatorClause( | ||||||||
21094 | SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation EndLoc, | ||||||||
21095 | ArrayRef<UsesAllocatorsData> Data) { | ||||||||
21096 | // OpenMP [2.12.5, target Construct] | ||||||||
21097 | // allocator is an identifier of omp_allocator_handle_t type. | ||||||||
21098 | if (!findOMPAllocatorHandleT(*this, StartLoc, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||||||
21099 | return nullptr; | ||||||||
21100 | // OpenMP [2.12.5, target Construct] | ||||||||
21101 | // allocator-traits-array is an identifier of const omp_alloctrait_t * type. | ||||||||
21102 | if (llvm::any_of( | ||||||||
21103 | Data, | ||||||||
21104 | [](const UsesAllocatorsData &D) { return D.AllocatorTraits; }) && | ||||||||
21105 | !findOMPAlloctraitT(*this, StartLoc, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | ||||||||
21106 | return nullptr; | ||||||||
21107 | llvm::SmallPtrSet<CanonicalDeclPtr<Decl>, 4> PredefinedAllocators; | ||||||||
21108 | for (int I = 0; I < OMPAllocateDeclAttr::OMPUserDefinedMemAlloc; ++I) { | ||||||||
21109 | auto AllocatorKind = static_cast<OMPAllocateDeclAttr::AllocatorTypeTy>(I); | ||||||||
21110 | StringRef Allocator = | ||||||||
21111 | OMPAllocateDeclAttr::ConvertAllocatorTypeTyToStr(AllocatorKind); | ||||||||
21112 | DeclarationName AllocatorName = &Context.Idents.get(Allocator); | ||||||||
21113 | PredefinedAllocators.insert(LookupSingleName( | ||||||||
21114 | TUScope, AllocatorName, StartLoc, Sema::LookupAnyName)); | ||||||||
21115 | } | ||||||||
21116 | |||||||||
21117 | SmallVector<OMPUsesAllocatorsClause::Data, 4> NewData; | ||||||||
21118 | for (const UsesAllocatorsData &D : Data) { | ||||||||
21119 | Expr *AllocatorExpr = nullptr; | ||||||||
21120 | // Check allocator expression. | ||||||||
21121 | if (D.Allocator->isTypeDependent()) { | ||||||||
21122 | AllocatorExpr = D.Allocator; | ||||||||
21123 | } else { | ||||||||
21124 | // Traits were specified - need to assign new allocator to the specified | ||||||||
21125 | // allocator, so it must be an lvalue. | ||||||||
21126 | AllocatorExpr = D.Allocator->IgnoreParenImpCasts(); | ||||||||
21127 | auto *DRE = dyn_cast<DeclRefExpr>(AllocatorExpr); | ||||||||
21128 | bool IsPredefinedAllocator = false; | ||||||||
21129 | if (DRE) | ||||||||
21130 | IsPredefinedAllocator = PredefinedAllocators.count(DRE->getDecl()); | ||||||||
21131 | if (!DRE || | ||||||||
21132 | !(Context.hasSameUnqualifiedType( | ||||||||
21133 | AllocatorExpr->getType(), DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPAllocatorHandleT()) || | ||||||||
21134 | Context.typesAreCompatible(AllocatorExpr->getType(), | ||||||||
21135 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPAllocatorHandleT(), | ||||||||
21136 | /*CompareUnqualified=*/true)) || | ||||||||
21137 | (!IsPredefinedAllocator && | ||||||||
21138 | (AllocatorExpr->getType().isConstant(Context) || | ||||||||
21139 | !AllocatorExpr->isLValue()))) { | ||||||||
21140 | Diag(D.Allocator->getExprLoc(), diag::err_omp_var_expected) | ||||||||
21141 | << "omp_allocator_handle_t" << (DRE ? 1 : 0) | ||||||||
21142 | << AllocatorExpr->getType() << D.Allocator->getSourceRange(); | ||||||||
21143 | continue; | ||||||||
21144 | } | ||||||||
21145 | // OpenMP [2.12.5, target Construct] | ||||||||
21146 | // Predefined allocators appearing in a uses_allocators clause cannot have | ||||||||
21147 | // traits specified. | ||||||||
21148 | if (IsPredefinedAllocator && D.AllocatorTraits) { | ||||||||
21149 | Diag(D.AllocatorTraits->getExprLoc(), | ||||||||
21150 | diag::err_omp_predefined_allocator_with_traits) | ||||||||
21151 | << D.AllocatorTraits->getSourceRange(); | ||||||||
21152 | Diag(D.Allocator->getExprLoc(), diag::note_omp_predefined_allocator) | ||||||||
21153 | << cast<NamedDecl>(DRE->getDecl())->getName() | ||||||||
21154 | << D.Allocator->getSourceRange(); | ||||||||
21155 | continue; | ||||||||
21156 | } | ||||||||
21157 | // OpenMP [2.12.5, target Construct] | ||||||||
21158 | // Non-predefined allocators appearing in a uses_allocators clause must | ||||||||
21159 | // have traits specified. | ||||||||
21160 | if (!IsPredefinedAllocator && !D.AllocatorTraits) { | ||||||||
21161 | Diag(D.Allocator->getExprLoc(), | ||||||||
21162 | diag::err_omp_nonpredefined_allocator_without_traits); | ||||||||
21163 | continue; | ||||||||
21164 | } | ||||||||
21165 | // No allocator traits - just convert it to rvalue. | ||||||||
21166 | if (!D.AllocatorTraits) | ||||||||
21167 | AllocatorExpr = DefaultLvalueConversion(AllocatorExpr).get(); | ||||||||
21168 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addUsesAllocatorsDecl( | ||||||||
21169 | DRE->getDecl(), | ||||||||
21170 | IsPredefinedAllocator | ||||||||
21171 | ? DSAStackTy::UsesAllocatorsDeclKind::PredefinedAllocator | ||||||||
21172 | : DSAStackTy::UsesAllocatorsDeclKind::UserDefinedAllocator); | ||||||||
21173 | } | ||||||||
21174 | Expr *AllocatorTraitsExpr = nullptr; | ||||||||
21175 | if (D.AllocatorTraits) { | ||||||||
21176 | if (D.AllocatorTraits->isTypeDependent()) { | ||||||||
21177 | AllocatorTraitsExpr = D.AllocatorTraits; | ||||||||
21178 | } else { | ||||||||
21179 | // OpenMP [2.12.5, target Construct] | ||||||||
21180 | // Arrays that contain allocator traits that appear in a uses_allocators | ||||||||
21181 | // clause must be constant arrays, have constant values and be defined | ||||||||
21182 | // in the same scope as the construct in which the clause appears. | ||||||||
21183 | AllocatorTraitsExpr = D.AllocatorTraits->IgnoreParenImpCasts(); | ||||||||
21184 | // Check that traits expr is a constant array. | ||||||||
21185 | QualType TraitTy; | ||||||||
21186 | if (const ArrayType *Ty = | ||||||||
21187 | AllocatorTraitsExpr->getType()->getAsArrayTypeUnsafe()) | ||||||||
21188 | if (const auto *ConstArrayTy = dyn_cast<ConstantArrayType>(Ty)) | ||||||||
21189 | TraitTy = ConstArrayTy->getElementType(); | ||||||||
21190 | if (TraitTy.isNull() || | ||||||||
21191 | !(Context.hasSameUnqualifiedType(TraitTy, | ||||||||
21192 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPAlloctraitT()) || | ||||||||
21193 | Context.typesAreCompatible(TraitTy, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getOMPAlloctraitT(), | ||||||||
21194 | /*CompareUnqualified=*/true))) { | ||||||||
21195 | Diag(D.AllocatorTraits->getExprLoc(), | ||||||||
21196 | diag::err_omp_expected_array_alloctraits) | ||||||||
21197 | << AllocatorTraitsExpr->getType(); | ||||||||
21198 | continue; | ||||||||
21199 | } | ||||||||
21200 | // Do not map by default allocator traits if it is a standalone | ||||||||
21201 | // variable. | ||||||||
21202 | if (auto *DRE = dyn_cast<DeclRefExpr>(AllocatorTraitsExpr)) | ||||||||
21203 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addUsesAllocatorsDecl( | ||||||||
21204 | DRE->getDecl(), | ||||||||
21205 | DSAStackTy::UsesAllocatorsDeclKind::AllocatorTrait); | ||||||||
21206 | } | ||||||||
21207 | } | ||||||||
21208 | OMPUsesAllocatorsClause::Data &NewD = NewData.emplace_back(); | ||||||||
21209 | NewD.Allocator = AllocatorExpr; | ||||||||
21210 | NewD.AllocatorTraits = AllocatorTraitsExpr; | ||||||||
21211 | NewD.LParenLoc = D.LParenLoc; | ||||||||
21212 | NewD.RParenLoc = D.RParenLoc; | ||||||||
21213 | } | ||||||||
21214 | return OMPUsesAllocatorsClause::Create(Context, StartLoc, LParenLoc, EndLoc, | ||||||||
21215 | NewData); | ||||||||
21216 | } | ||||||||
21217 | |||||||||
21218 | OMPClause *Sema::ActOnOpenMPAffinityClause( | ||||||||
21219 | SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation ColonLoc, | ||||||||
21220 | SourceLocation EndLoc, Expr *Modifier, ArrayRef<Expr *> Locators) { | ||||||||
21221 | SmallVector<Expr *, 8> Vars; | ||||||||
21222 | for (Expr *RefExpr : Locators) { | ||||||||
21223 | assert(RefExpr && "NULL expr in OpenMP shared clause.")((void)0); | ||||||||
21224 | if (isa<DependentScopeDeclRefExpr>(RefExpr) || RefExpr->isTypeDependent()) { | ||||||||
21225 | // It will be analyzed later. | ||||||||
21226 | Vars.push_back(RefExpr); | ||||||||
21227 | continue; | ||||||||
21228 | } | ||||||||
21229 | |||||||||
21230 | SourceLocation ELoc = RefExpr->getExprLoc(); | ||||||||
21231 | Expr *SimpleExpr = RefExpr->IgnoreParenImpCasts(); | ||||||||
21232 | |||||||||
21233 | if (!SimpleExpr->isLValue()) { | ||||||||
21234 | Diag(ELoc, diag::err_omp_expected_addressable_lvalue_or_array_item) | ||||||||
21235 | << 1 << 0 << RefExpr->getSourceRange(); | ||||||||
21236 | continue; | ||||||||
21237 | } | ||||||||
21238 | |||||||||
21239 | ExprResult Res; | ||||||||
21240 | { | ||||||||
21241 | Sema::TentativeAnalysisScope Trap(*this); | ||||||||
21242 | Res = CreateBuiltinUnaryOp(ELoc, UO_AddrOf, SimpleExpr); | ||||||||
21243 | } | ||||||||
21244 | if (!Res.isUsable() && !isa<OMPArraySectionExpr>(SimpleExpr) && | ||||||||
21245 | !isa<OMPArrayShapingExpr>(SimpleExpr)) { | ||||||||
21246 | Diag(ELoc, diag::err_omp_expected_addressable_lvalue_or_array_item) | ||||||||
21247 | << 1 << 0 << RefExpr->getSourceRange(); | ||||||||
21248 | continue; | ||||||||
21249 | } | ||||||||
21250 | Vars.push_back(SimpleExpr); | ||||||||
21251 | } | ||||||||
21252 | |||||||||
21253 | return OMPAffinityClause::Create(Context, StartLoc, LParenLoc, ColonLoc, | ||||||||
21254 | EndLoc, Modifier, Vars); | ||||||||
21255 | } |
1 | //===- Decl.h - Classes for representing declarations -----------*- C++ -*-===// |
2 | // |
3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
4 | // See https://llvm.org/LICENSE.txt for license information. |
5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
6 | // |
7 | //===----------------------------------------------------------------------===// |
8 | // |
9 | // This file defines the Decl subclasses. |
10 | // |
11 | //===----------------------------------------------------------------------===// |
12 | |
13 | #ifndef LLVM_CLANG_AST_DECL_H |
14 | #define LLVM_CLANG_AST_DECL_H |
15 | |
16 | #include "clang/AST/APValue.h" |
17 | #include "clang/AST/ASTContextAllocate.h" |
18 | #include "clang/AST/DeclAccessPair.h" |
19 | #include "clang/AST/DeclBase.h" |
20 | #include "clang/AST/DeclarationName.h" |
21 | #include "clang/AST/ExternalASTSource.h" |
22 | #include "clang/AST/NestedNameSpecifier.h" |
23 | #include "clang/AST/Redeclarable.h" |
24 | #include "clang/AST/Type.h" |
25 | #include "clang/Basic/AddressSpaces.h" |
26 | #include "clang/Basic/Diagnostic.h" |
27 | #include "clang/Basic/IdentifierTable.h" |
28 | #include "clang/Basic/LLVM.h" |
29 | #include "clang/Basic/Linkage.h" |
30 | #include "clang/Basic/OperatorKinds.h" |
31 | #include "clang/Basic/PartialDiagnostic.h" |
32 | #include "clang/Basic/PragmaKinds.h" |
33 | #include "clang/Basic/SourceLocation.h" |
34 | #include "clang/Basic/Specifiers.h" |
35 | #include "clang/Basic/Visibility.h" |
36 | #include "llvm/ADT/APSInt.h" |
37 | #include "llvm/ADT/ArrayRef.h" |
38 | #include "llvm/ADT/Optional.h" |
39 | #include "llvm/ADT/PointerIntPair.h" |
40 | #include "llvm/ADT/PointerUnion.h" |
41 | #include "llvm/ADT/StringRef.h" |
42 | #include "llvm/ADT/iterator_range.h" |
43 | #include "llvm/Support/Casting.h" |
44 | #include "llvm/Support/Compiler.h" |
45 | #include "llvm/Support/TrailingObjects.h" |
46 | #include <cassert> |
47 | #include <cstddef> |
48 | #include <cstdint> |
49 | #include <string> |
50 | #include <utility> |
51 | |
52 | namespace clang { |
53 | |
54 | class ASTContext; |
55 | struct ASTTemplateArgumentListInfo; |
56 | class Attr; |
57 | class CompoundStmt; |
58 | class DependentFunctionTemplateSpecializationInfo; |
59 | class EnumDecl; |
60 | class Expr; |
61 | class FunctionTemplateDecl; |
62 | class FunctionTemplateSpecializationInfo; |
63 | class FunctionTypeLoc; |
64 | class LabelStmt; |
65 | class MemberSpecializationInfo; |
66 | class Module; |
67 | class NamespaceDecl; |
68 | class ParmVarDecl; |
69 | class RecordDecl; |
70 | class Stmt; |
71 | class StringLiteral; |
72 | class TagDecl; |
73 | class TemplateArgumentList; |
74 | class TemplateArgumentListInfo; |
75 | class TemplateParameterList; |
76 | class TypeAliasTemplateDecl; |
77 | class TypeLoc; |
78 | class UnresolvedSetImpl; |
79 | class VarTemplateDecl; |
80 | |
81 | /// The top declaration context. |
82 | class TranslationUnitDecl : public Decl, |
83 | public DeclContext, |
84 | public Redeclarable<TranslationUnitDecl> { |
85 | using redeclarable_base = Redeclarable<TranslationUnitDecl>; |
86 | |
87 | TranslationUnitDecl *getNextRedeclarationImpl() override { |
88 | return getNextRedeclaration(); |
89 | } |
90 | |
91 | TranslationUnitDecl *getPreviousDeclImpl() override { |
92 | return getPreviousDecl(); |
93 | } |
94 | |
95 | TranslationUnitDecl *getMostRecentDeclImpl() override { |
96 | return getMostRecentDecl(); |
97 | } |
98 | |
99 | ASTContext &Ctx; |
100 | |
101 | /// The (most recently entered) anonymous namespace for this |
102 | /// translation unit, if one has been created. |
103 | NamespaceDecl *AnonymousNamespace = nullptr; |
104 | |
105 | explicit TranslationUnitDecl(ASTContext &ctx); |
106 | |
107 | virtual void anchor(); |
108 | |
109 | public: |
110 | using redecl_range = redeclarable_base::redecl_range; |
111 | using redecl_iterator = redeclarable_base::redecl_iterator; |
112 | |
113 | using redeclarable_base::getMostRecentDecl; |
114 | using redeclarable_base::getPreviousDecl; |
115 | using redeclarable_base::isFirstDecl; |
116 | using redeclarable_base::redecls; |
117 | using redeclarable_base::redecls_begin; |
118 | using redeclarable_base::redecls_end; |
119 | |
120 | ASTContext &getASTContext() const { return Ctx; } |
121 | |
122 | NamespaceDecl *getAnonymousNamespace() const { return AnonymousNamespace; } |
123 | void setAnonymousNamespace(NamespaceDecl *D) { AnonymousNamespace = D; } |
124 | |
125 | static TranslationUnitDecl *Create(ASTContext &C); |
126 | |
127 | // Implement isa/cast/dyncast/etc. |
128 | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
129 | static bool classofKind(Kind K) { return K == TranslationUnit; } |
130 | static DeclContext *castToDeclContext(const TranslationUnitDecl *D) { |
131 | return static_cast<DeclContext *>(const_cast<TranslationUnitDecl*>(D)); |
132 | } |
133 | static TranslationUnitDecl *castFromDeclContext(const DeclContext *DC) { |
134 | return static_cast<TranslationUnitDecl *>(const_cast<DeclContext*>(DC)); |
135 | } |
136 | }; |
137 | |
138 | /// Represents a `#pragma comment` line. Always a child of |
139 | /// TranslationUnitDecl. |
140 | class PragmaCommentDecl final |
141 | : public Decl, |
142 | private llvm::TrailingObjects<PragmaCommentDecl, char> { |
143 | friend class ASTDeclReader; |
144 | friend class ASTDeclWriter; |
145 | friend TrailingObjects; |
146 | |
147 | PragmaMSCommentKind CommentKind; |
148 | |
149 | PragmaCommentDecl(TranslationUnitDecl *TU, SourceLocation CommentLoc, |
150 | PragmaMSCommentKind CommentKind) |
151 | : Decl(PragmaComment, TU, CommentLoc), CommentKind(CommentKind) {} |
152 | |
153 | virtual void anchor(); |
154 | |
155 | public: |
156 | static PragmaCommentDecl *Create(const ASTContext &C, TranslationUnitDecl *DC, |
157 | SourceLocation CommentLoc, |
158 | PragmaMSCommentKind CommentKind, |
159 | StringRef Arg); |
160 | static PragmaCommentDecl *CreateDeserialized(ASTContext &C, unsigned ID, |
161 | unsigned ArgSize); |
162 | |
163 | PragmaMSCommentKind getCommentKind() const { return CommentKind; } |
164 | |
165 | StringRef getArg() const { return getTrailingObjects<char>(); } |
166 | |
167 | // Implement isa/cast/dyncast/etc. |
168 | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
169 | static bool classofKind(Kind K) { return K == PragmaComment; } |
170 | }; |
171 | |
172 | /// Represents a `#pragma detect_mismatch` line. Always a child of |
173 | /// TranslationUnitDecl. |
174 | class PragmaDetectMismatchDecl final |
175 | : public Decl, |
176 | private llvm::TrailingObjects<PragmaDetectMismatchDecl, char> { |
177 | friend class ASTDeclReader; |
178 | friend class ASTDeclWriter; |
179 | friend TrailingObjects; |
180 | |
181 | size_t ValueStart; |
182 | |
183 | PragmaDetectMismatchDecl(TranslationUnitDecl *TU, SourceLocation Loc, |
184 | size_t ValueStart) |
185 | : Decl(PragmaDetectMismatch, TU, Loc), ValueStart(ValueStart) {} |
186 | |
187 | virtual void anchor(); |
188 | |
189 | public: |
190 | static PragmaDetectMismatchDecl *Create(const ASTContext &C, |
191 | TranslationUnitDecl *DC, |
192 | SourceLocation Loc, StringRef Name, |
193 | StringRef Value); |
194 | static PragmaDetectMismatchDecl * |
195 | CreateDeserialized(ASTContext &C, unsigned ID, unsigned NameValueSize); |
196 | |
197 | StringRef getName() const { return getTrailingObjects<char>(); } |
198 | StringRef getValue() const { return getTrailingObjects<char>() + ValueStart; } |
199 | |
200 | // Implement isa/cast/dyncast/etc. |
201 | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
202 | static bool classofKind(Kind K) { return K == PragmaDetectMismatch; } |
203 | }; |
204 | |
205 | /// Declaration context for names declared as extern "C" in C++. This |
206 | /// is neither the semantic nor lexical context for such declarations, but is |
207 | /// used to check for conflicts with other extern "C" declarations. Example: |
208 | /// |
209 | /// \code |
210 | /// namespace N { extern "C" void f(); } // #1 |
211 | /// void N::f() {} // #2 |
212 | /// namespace M { extern "C" void f(); } // #3 |
213 | /// \endcode |
214 | /// |
215 | /// The semantic context of #1 is namespace N and its lexical context is the |
216 | /// LinkageSpecDecl; the semantic context of #2 is namespace N and its lexical |
217 | /// context is the TU. However, both declarations are also visible in the |
218 | /// extern "C" context. |
219 | /// |
220 | /// The declaration at #3 finds it is a redeclaration of \c N::f through |
221 | /// lookup in the extern "C" context. |
222 | class ExternCContextDecl : public Decl, public DeclContext { |
223 | explicit ExternCContextDecl(TranslationUnitDecl *TU) |
224 | : Decl(ExternCContext, TU, SourceLocation()), |
225 | DeclContext(ExternCContext) {} |
226 | |
227 | virtual void anchor(); |
228 | |
229 | public: |
230 | static ExternCContextDecl *Create(const ASTContext &C, |
231 | TranslationUnitDecl *TU); |
232 | |
233 | // Implement isa/cast/dyncast/etc. |
234 | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
235 | static bool classofKind(Kind K) { return K == ExternCContext; } |
236 | static DeclContext *castToDeclContext(const ExternCContextDecl *D) { |
237 | return static_cast<DeclContext *>(const_cast<ExternCContextDecl*>(D)); |
238 | } |
239 | static ExternCContextDecl *castFromDeclContext(const DeclContext *DC) { |
240 | return static_cast<ExternCContextDecl *>(const_cast<DeclContext*>(DC)); |
241 | } |
242 | }; |
243 | |
244 | /// This represents a decl that may have a name. Many decls have names such |
245 | /// as ObjCMethodDecl, but not \@class, etc. |
246 | /// |
247 | /// Note that not every NamedDecl is actually named (e.g., a struct might |
248 | /// be anonymous), and not every name is an identifier. |
249 | class NamedDecl : public Decl { |
250 | /// The name of this declaration, which is typically a normal |
251 | /// identifier but may also be a special kind of name (C++ |
252 | /// constructor, Objective-C selector, etc.) |
253 | DeclarationName Name; |
254 | |
255 | virtual void anchor(); |
256 | |
257 | private: |
258 | NamedDecl *getUnderlyingDeclImpl() LLVM_READONLY__attribute__((__pure__)); |
259 | |
260 | protected: |
261 | NamedDecl(Kind DK, DeclContext *DC, SourceLocation L, DeclarationName N) |
262 | : Decl(DK, DC, L), Name(N) {} |
263 | |
264 | public: |
265 | /// Get the identifier that names this declaration, if there is one. |
266 | /// |
267 | /// This will return NULL if this declaration has no name (e.g., for |
268 | /// an unnamed class) or if the name is a special name (C++ constructor, |
269 | /// Objective-C selector, etc.). |
270 | IdentifierInfo *getIdentifier() const { return Name.getAsIdentifierInfo(); } |
271 | |
272 | /// Get the name of identifier for this declaration as a StringRef. |
273 | /// |
274 | /// This requires that the declaration have a name and that it be a simple |
275 | /// identifier. |
276 | StringRef getName() const { |
277 | assert(Name.isIdentifier() && "Name is not a simple identifier")((void)0); |
278 | return getIdentifier() ? getIdentifier()->getName() : ""; |
279 | } |
280 | |
281 | /// Get a human-readable name for the declaration, even if it is one of the |
282 | /// special kinds of names (C++ constructor, Objective-C selector, etc). |
283 | /// |
284 | /// Creating this name requires expensive string manipulation, so it should |
285 | /// be called only when performance doesn't matter. For simple declarations, |
286 | /// getNameAsCString() should suffice. |
287 | // |
288 | // FIXME: This function should be renamed to indicate that it is not just an |
289 | // alternate form of getName(), and clients should move as appropriate. |
290 | // |
291 | // FIXME: Deprecated, move clients to getName(). |
292 | std::string getNameAsString() const { return Name.getAsString(); } |
293 | |
294 | /// Pretty-print the unqualified name of this declaration. Can be overloaded |
295 | /// by derived classes to provide a more user-friendly name when appropriate. |
296 | virtual void printName(raw_ostream &os) const; |
297 | |
298 | /// Get the actual, stored name of the declaration, which may be a special |
299 | /// name. |
300 | /// |
301 | /// Note that generally in diagnostics, the non-null \p NamedDecl* itself |
302 | /// should be sent into the diagnostic instead of using the result of |
303 | /// \p getDeclName(). |
304 | /// |
305 | /// A \p DeclarationName in a diagnostic will just be streamed to the output, |
306 | /// which will directly result in a call to \p DeclarationName::print. |
307 | /// |
308 | /// A \p NamedDecl* in a diagnostic will also ultimately result in a call to |
309 | /// \p DeclarationName::print, but with two customisation points along the |
310 | /// way (\p getNameForDiagnostic and \p printName). These are used to print |
311 | /// the template arguments if any, and to provide a user-friendly name for |
312 | /// some entities (such as unnamed variables and anonymous records). |
313 | DeclarationName getDeclName() const { return Name; } |
314 | |
315 | /// Set the name of this declaration. |
316 | void setDeclName(DeclarationName N) { Name = N; } |
317 | |
318 | /// Returns a human-readable qualified name for this declaration, like |
319 | /// A::B::i, for i being member of namespace A::B. |
320 | /// |
321 | /// If the declaration is not a member of context which can be named (record, |
322 | /// namespace), it will return the same result as printName(). |
323 | /// |
324 | /// Creating this name is expensive, so it should be called only when |
325 | /// performance doesn't matter. |
326 | void printQualifiedName(raw_ostream &OS) const; |
327 | void printQualifiedName(raw_ostream &OS, const PrintingPolicy &Policy) const; |
328 | |
329 | /// Print only the nested name specifier part of a fully-qualified name, |
330 | /// including the '::' at the end. E.g. |
331 | /// when `printQualifiedName(D)` prints "A::B::i", |
332 | /// this function prints "A::B::". |
333 | void printNestedNameSpecifier(raw_ostream &OS) const; |
334 | void printNestedNameSpecifier(raw_ostream &OS, |
335 | const PrintingPolicy &Policy) const; |
336 | |
337 | // FIXME: Remove string version. |
338 | std::string getQualifiedNameAsString() const; |
339 | |
340 | /// Appends a human-readable name for this declaration into the given stream. |
341 | /// |
342 | /// This is the method invoked by Sema when displaying a NamedDecl |
343 | /// in a diagnostic. It does not necessarily produce the same |
344 | /// result as printName(); for example, class template |
345 | /// specializations are printed with their template arguments. |
346 | virtual void getNameForDiagnostic(raw_ostream &OS, |
347 | const PrintingPolicy &Policy, |
348 | bool Qualified) const; |
349 | |
350 | /// Determine whether this declaration, if known to be well-formed within |
351 | /// its context, will replace the declaration OldD if introduced into scope. |
352 | /// |
353 | /// A declaration will replace another declaration if, for example, it is |
354 | /// a redeclaration of the same variable or function, but not if it is a |
355 | /// declaration of a different kind (function vs. class) or an overloaded |
356 | /// function. |
357 | /// |
358 | /// \param IsKnownNewer \c true if this declaration is known to be newer |
359 | /// than \p OldD (for instance, if this declaration is newly-created). |
360 | bool declarationReplaces(NamedDecl *OldD, bool IsKnownNewer = true) const; |
361 | |
362 | /// Determine whether this declaration has linkage. |
363 | bool hasLinkage() const; |
364 | |
365 | using Decl::isModulePrivate; |
366 | using Decl::setModulePrivate; |
367 | |
368 | /// Determine whether this declaration is a C++ class member. |
369 | bool isCXXClassMember() const { |
370 | const DeclContext *DC = getDeclContext(); |
371 | |
372 | // C++0x [class.mem]p1: |
373 | // The enumerators of an unscoped enumeration defined in |
374 | // the class are members of the class. |
375 | if (isa<EnumDecl>(DC)) |
376 | DC = DC->getRedeclContext(); |
377 | |
378 | return DC->isRecord(); |
379 | } |
380 | |
381 | /// Determine whether the given declaration is an instance member of |
382 | /// a C++ class. |
383 | bool isCXXInstanceMember() const; |
384 | |
385 | /// Determine if the declaration obeys the reserved identifier rules of the |
386 | /// given language. |
387 | ReservedIdentifierStatus isReserved(const LangOptions &LangOpts) const; |
388 | |
389 | /// Determine what kind of linkage this entity has. |
390 | /// |
391 | /// This is not the linkage as defined by the standard or the codegen notion |
392 | /// of linkage. It is just an implementation detail that is used to compute |
393 | /// those. |
394 | Linkage getLinkageInternal() const; |
395 | |
396 | /// Get the linkage from a semantic point of view. Entities in |
397 | /// anonymous namespaces are external (in c++98). |
398 | Linkage getFormalLinkage() const { |
399 | return clang::getFormalLinkage(getLinkageInternal()); |
400 | } |
401 | |
402 | /// True if this decl has external linkage. |
403 | bool hasExternalFormalLinkage() const { |
404 | return isExternalFormalLinkage(getLinkageInternal()); |
405 | } |
406 | |
407 | bool isExternallyVisible() const { |
408 | return clang::isExternallyVisible(getLinkageInternal()); |
409 | } |
410 | |
411 | /// Determine whether this declaration can be redeclared in a |
412 | /// different translation unit. |
413 | bool isExternallyDeclarable() const { |
414 | return isExternallyVisible() && !getOwningModuleForLinkage(); |
415 | } |
416 | |
417 | /// Determines the visibility of this entity. |
418 | Visibility getVisibility() const { |
419 | return getLinkageAndVisibility().getVisibility(); |
420 | } |
421 | |
422 | /// Determines the linkage and visibility of this entity. |
423 | LinkageInfo getLinkageAndVisibility() const; |
424 | |
425 | /// Kinds of explicit visibility. |
426 | enum ExplicitVisibilityKind { |
427 | /// Do an LV computation for, ultimately, a type. |
428 | /// Visibility may be restricted by type visibility settings and |
429 | /// the visibility of template arguments. |
430 | VisibilityForType, |
431 | |
432 | /// Do an LV computation for, ultimately, a non-type declaration. |
433 | /// Visibility may be restricted by value visibility settings and |
434 | /// the visibility of template arguments. |
435 | VisibilityForValue |
436 | }; |
437 | |
438 | /// If visibility was explicitly specified for this |
439 | /// declaration, return that visibility. |
440 | Optional<Visibility> |
441 | getExplicitVisibility(ExplicitVisibilityKind kind) const; |
442 | |
443 | /// True if the computed linkage is valid. Used for consistency |
444 | /// checking. Should always return true. |
445 | bool isLinkageValid() const; |
446 | |
447 | /// True if something has required us to compute the linkage |
448 | /// of this declaration. |
449 | /// |
450 | /// Language features which can retroactively change linkage (like a |
451 | /// typedef name for linkage purposes) may need to consider this, |
452 | /// but hopefully only in transitory ways during parsing. |
453 | bool hasLinkageBeenComputed() const { |
454 | return hasCachedLinkage(); |
455 | } |
456 | |
457 | /// Looks through UsingDecls and ObjCCompatibleAliasDecls for |
458 | /// the underlying named decl. |
459 | NamedDecl *getUnderlyingDecl() { |
460 | // Fast-path the common case. |
461 | if (this->getKind() != UsingShadow && |
462 | this->getKind() != ConstructorUsingShadow && |
463 | this->getKind() != ObjCCompatibleAlias && |
464 | this->getKind() != NamespaceAlias) |
465 | return this; |
466 | |
467 | return getUnderlyingDeclImpl(); |
468 | } |
469 | const NamedDecl *getUnderlyingDecl() const { |
470 | return const_cast<NamedDecl*>(this)->getUnderlyingDecl(); |
471 | } |
472 | |
473 | NamedDecl *getMostRecentDecl() { |
474 | return cast<NamedDecl>(static_cast<Decl *>(this)->getMostRecentDecl()); |
475 | } |
476 | const NamedDecl *getMostRecentDecl() const { |
477 | return const_cast<NamedDecl*>(this)->getMostRecentDecl(); |
478 | } |
479 | |
480 | ObjCStringFormatFamily getObjCFStringFormattingFamily() const; |
481 | |
482 | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
483 | static bool classofKind(Kind K) { return K >= firstNamed && K <= lastNamed; } |
484 | }; |
485 | |
486 | inline raw_ostream &operator<<(raw_ostream &OS, const NamedDecl &ND) { |
487 | ND.printName(OS); |
488 | return OS; |
489 | } |
490 | |
491 | /// Represents the declaration of a label. Labels also have a |
492 | /// corresponding LabelStmt, which indicates the position that the label was |
493 | /// defined at. For normal labels, the location of the decl is the same as the |
494 | /// location of the statement. For GNU local labels (__label__), the decl |
495 | /// location is where the __label__ is. |
496 | class LabelDecl : public NamedDecl { |
497 | LabelStmt *TheStmt; |
498 | StringRef MSAsmName; |
499 | bool MSAsmNameResolved = false; |
500 | |
501 | /// For normal labels, this is the same as the main declaration |
502 | /// label, i.e., the location of the identifier; for GNU local labels, |
503 | /// this is the location of the __label__ keyword. |
504 | SourceLocation LocStart; |
505 | |
506 | LabelDecl(DeclContext *DC, SourceLocation IdentL, IdentifierInfo *II, |
507 | LabelStmt *S, SourceLocation StartL) |
508 | : NamedDecl(Label, DC, IdentL, II), TheStmt(S), LocStart(StartL) {} |
509 | |
510 | void anchor() override; |
511 | |
512 | public: |
513 | static LabelDecl *Create(ASTContext &C, DeclContext *DC, |
514 | SourceLocation IdentL, IdentifierInfo *II); |
515 | static LabelDecl *Create(ASTContext &C, DeclContext *DC, |
516 | SourceLocation IdentL, IdentifierInfo *II, |
517 | SourceLocation GnuLabelL); |
518 | static LabelDecl *CreateDeserialized(ASTContext &C, unsigned ID); |
519 | |
520 | LabelStmt *getStmt() const { return TheStmt; } |
521 | void setStmt(LabelStmt *T) { TheStmt = T; } |
522 | |
523 | bool isGnuLocal() const { return LocStart != getLocation(); } |
524 | void setLocStart(SourceLocation L) { LocStart = L; } |
525 | |
526 | SourceRange getSourceRange() const override LLVM_READONLY__attribute__((__pure__)) { |
527 | return SourceRange(LocStart, getLocation()); |
528 | } |
529 | |
530 | bool isMSAsmLabel() const { return !MSAsmName.empty(); } |
531 | bool isResolvedMSAsmLabel() const { return isMSAsmLabel() && MSAsmNameResolved; } |
532 | void setMSAsmLabel(StringRef Name); |
533 | StringRef getMSAsmLabel() const { return MSAsmName; } |
534 | void setMSAsmLabelResolved() { MSAsmNameResolved = true; } |
535 | |
536 | // Implement isa/cast/dyncast/etc. |
537 | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
538 | static bool classofKind(Kind K) { return K == Label; } |
539 | }; |
540 | |
541 | /// Represent a C++ namespace. |
542 | class NamespaceDecl : public NamedDecl, public DeclContext, |
543 | public Redeclarable<NamespaceDecl> |
544 | { |
545 | /// The starting location of the source range, pointing |
546 | /// to either the namespace or the inline keyword. |
547 | SourceLocation LocStart; |
548 | |
549 | /// The ending location of the source range. |
550 | SourceLocation RBraceLoc; |
551 | |
552 | /// A pointer to either the anonymous namespace that lives just inside |
553 | /// this namespace or to the first namespace in the chain (the latter case |
554 | /// only when this is not the first in the chain), along with a |
555 | /// boolean value indicating whether this is an inline namespace. |
556 | llvm::PointerIntPair<NamespaceDecl *, 1, bool> AnonOrFirstNamespaceAndInline; |
557 | |
558 | NamespaceDecl(ASTContext &C, DeclContext *DC, bool Inline, |
559 | SourceLocation StartLoc, SourceLocation IdLoc, |
560 | IdentifierInfo *Id, NamespaceDecl *PrevDecl); |
561 | |
562 | using redeclarable_base = Redeclarable<NamespaceDecl>; |
563 | |
564 | NamespaceDecl *getNextRedeclarationImpl() override; |
565 | NamespaceDecl *getPreviousDeclImpl() override; |
566 | NamespaceDecl *getMostRecentDeclImpl() override; |
567 | |
568 | public: |
569 | friend class ASTDeclReader; |
570 | friend class ASTDeclWriter; |
571 | |
572 | static NamespaceDecl *Create(ASTContext &C, DeclContext *DC, |
573 | bool Inline, SourceLocation StartLoc, |
574 | SourceLocation IdLoc, IdentifierInfo *Id, |
575 | NamespaceDecl *PrevDecl); |
576 | |
577 | static NamespaceDecl *CreateDeserialized(ASTContext &C, unsigned ID); |
578 | |
579 | using redecl_range = redeclarable_base::redecl_range; |
580 | using redecl_iterator = redeclarable_base::redecl_iterator; |
581 | |
582 | using redeclarable_base::redecls_begin; |
583 | using redeclarable_base::redecls_end; |
584 | using redeclarable_base::redecls; |
585 | using redeclarable_base::getPreviousDecl; |
586 | using redeclarable_base::getMostRecentDecl; |
587 | using redeclarable_base::isFirstDecl; |
588 | |
589 | /// Returns true if this is an anonymous namespace declaration. |
590 | /// |
591 | /// For example: |
592 | /// \code |
593 | /// namespace { |
594 | /// ... |
595 | /// }; |
596 | /// \endcode |
597 | /// q.v. C++ [namespace.unnamed] |
598 | bool isAnonymousNamespace() const { |
599 | return !getIdentifier(); |
600 | } |
601 | |
602 | /// Returns true if this is an inline namespace declaration. |
603 | bool isInline() const { |
604 | return AnonOrFirstNamespaceAndInline.getInt(); |
605 | } |
606 | |
607 | /// Set whether this is an inline namespace declaration. |
608 | void setInline(bool Inline) { |
609 | AnonOrFirstNamespaceAndInline.setInt(Inline); |
610 | } |
611 | |
612 | /// Returns true if the inline qualifier for \c Name is redundant. |
613 | bool isRedundantInlineQualifierFor(DeclarationName Name) const { |
614 | if (!isInline()) |
615 | return false; |
616 | auto X = lookup(Name); |
617 | auto Y = getParent()->lookup(Name); |
618 | return std::distance(X.begin(), X.end()) == |
619 | std::distance(Y.begin(), Y.end()); |
620 | } |
621 | |
622 | /// Get the original (first) namespace declaration. |
623 | NamespaceDecl *getOriginalNamespace(); |
624 | |
625 | /// Get the original (first) namespace declaration. |
626 | const NamespaceDecl *getOriginalNamespace() const; |
627 | |
628 | /// Return true if this declaration is an original (first) declaration |
629 | /// of the namespace. This is false for non-original (subsequent) namespace |
630 | /// declarations and anonymous namespaces. |
631 | bool isOriginalNamespace() const; |
632 | |
633 | /// Retrieve the anonymous namespace nested inside this namespace, |
634 | /// if any. |
635 | NamespaceDecl *getAnonymousNamespace() const { |
636 | return getOriginalNamespace()->AnonOrFirstNamespaceAndInline.getPointer(); |
637 | } |
638 | |
639 | void setAnonymousNamespace(NamespaceDecl *D) { |
640 | getOriginalNamespace()->AnonOrFirstNamespaceAndInline.setPointer(D); |
641 | } |
642 | |
643 | /// Retrieves the canonical declaration of this namespace. |
644 | NamespaceDecl *getCanonicalDecl() override { |
645 | return getOriginalNamespace(); |
646 | } |
647 | const NamespaceDecl *getCanonicalDecl() const { |
648 | return getOriginalNamespace(); |
649 | } |
650 | |
651 | SourceRange getSourceRange() const override LLVM_READONLY__attribute__((__pure__)) { |
652 | return SourceRange(LocStart, RBraceLoc); |
653 | } |
654 | |
655 | SourceLocation getBeginLoc() const LLVM_READONLY__attribute__((__pure__)) { return LocStart; } |
656 | SourceLocation getRBraceLoc() const { return RBraceLoc; } |
657 | void setLocStart(SourceLocation L) { LocStart = L; } |
658 | void setRBraceLoc(SourceLocation L) { RBraceLoc = L; } |
659 | |
660 | // Implement isa/cast/dyncast/etc. |
661 | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
662 | static bool classofKind(Kind K) { return K == Namespace; } |
663 | static DeclContext *castToDeclContext(const NamespaceDecl *D) { |
664 | return static_cast<DeclContext *>(const_cast<NamespaceDecl*>(D)); |
665 | } |
666 | static NamespaceDecl *castFromDeclContext(const DeclContext *DC) { |
667 | return static_cast<NamespaceDecl *>(const_cast<DeclContext*>(DC)); |
668 | } |
669 | }; |
670 | |
671 | /// Represent the declaration of a variable (in which case it is |
672 | /// an lvalue) a function (in which case it is a function designator) or |
673 | /// an enum constant. |
674 | class ValueDecl : public NamedDecl { |
675 | QualType DeclType; |
676 | |
677 | void anchor() override; |
678 | |
679 | protected: |
680 | ValueDecl(Kind DK, DeclContext *DC, SourceLocation L, |
681 | DeclarationName N, QualType T) |
682 | : NamedDecl(DK, DC, L, N), DeclType(T) {} |
683 | |
684 | public: |
685 | QualType getType() const { return DeclType; } |
686 | void setType(QualType newType) { DeclType = newType; } |
687 | |
688 | /// Determine whether this symbol is weakly-imported, |
689 | /// or declared with the weak or weak-ref attr. |
690 | bool isWeak() const; |
691 | |
692 | // Implement isa/cast/dyncast/etc. |
693 | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
694 | static bool classofKind(Kind K) { return K >= firstValue && K <= lastValue; } |
695 | }; |
696 | |
697 | /// A struct with extended info about a syntactic |
698 | /// name qualifier, to be used for the case of out-of-line declarations. |
699 | struct QualifierInfo { |
700 | NestedNameSpecifierLoc QualifierLoc; |
701 | |
702 | /// The number of "outer" template parameter lists. |
703 | /// The count includes all of the template parameter lists that were matched |
704 | /// against the template-ids occurring into the NNS and possibly (in the |
705 | /// case of an explicit specialization) a final "template <>". |
706 | unsigned NumTemplParamLists = 0; |
707 | |
708 | /// A new-allocated array of size NumTemplParamLists, |
709 | /// containing pointers to the "outer" template parameter lists. |
710 | /// It includes all of the template parameter lists that were matched |
711 | /// against the template-ids occurring into the NNS and possibly (in the |
712 | /// case of an explicit specialization) a final "template <>". |
713 | TemplateParameterList** TemplParamLists = nullptr; |
714 | |
715 | QualifierInfo() = default; |
716 | QualifierInfo(const QualifierInfo &) = delete; |
717 | QualifierInfo& operator=(const QualifierInfo &) = delete; |
718 | |
719 | /// Sets info about "outer" template parameter lists. |
720 | void setTemplateParameterListsInfo(ASTContext &Context, |
721 | ArrayRef<TemplateParameterList *> TPLists); |
722 | }; |
723 | |
724 | /// Represents a ValueDecl that came out of a declarator. |
725 | /// Contains type source information through TypeSourceInfo. |
726 | class DeclaratorDecl : public ValueDecl { |
727 | // A struct representing a TInfo, a trailing requires-clause and a syntactic |
728 | // qualifier, to be used for the (uncommon) case of out-of-line declarations |
729 | // and constrained function decls. |
730 | struct ExtInfo : public QualifierInfo { |
731 | TypeSourceInfo *TInfo; |
732 | Expr *TrailingRequiresClause = nullptr; |
733 | }; |
734 | |
735 | llvm::PointerUnion<TypeSourceInfo *, ExtInfo *> DeclInfo; |
736 | |
737 | /// The start of the source range for this declaration, |
738 | /// ignoring outer template declarations. |
739 | SourceLocation InnerLocStart; |
740 | |
741 | bool hasExtInfo() const { return DeclInfo.is<ExtInfo*>(); } |
742 | ExtInfo *getExtInfo() { return DeclInfo.get<ExtInfo*>(); } |
743 | const ExtInfo *getExtInfo() const { return DeclInfo.get<ExtInfo*>(); } |
744 | |
745 | protected: |
746 | DeclaratorDecl(Kind DK, DeclContext *DC, SourceLocation L, |
747 | DeclarationName N, QualType T, TypeSourceInfo *TInfo, |
748 | SourceLocation StartL) |
749 | : ValueDecl(DK, DC, L, N, T), DeclInfo(TInfo), InnerLocStart(StartL) {} |
750 | |
751 | public: |
752 | friend class ASTDeclReader; |
753 | friend class ASTDeclWriter; |
754 | |
755 | TypeSourceInfo *getTypeSourceInfo() const { |
756 | return hasExtInfo() |
757 | ? getExtInfo()->TInfo |
758 | : DeclInfo.get<TypeSourceInfo*>(); |
759 | } |
760 | |
761 | void setTypeSourceInfo(TypeSourceInfo *TI) { |
762 | if (hasExtInfo()) |
763 | getExtInfo()->TInfo = TI; |
764 | else |
765 | DeclInfo = TI; |
766 | } |
767 | |
768 | /// Return start of source range ignoring outer template declarations. |
769 | SourceLocation getInnerLocStart() const { return InnerLocStart; } |
770 | void setInnerLocStart(SourceLocation L) { InnerLocStart = L; } |
771 | |
772 | /// Return start of source range taking into account any outer template |
773 | /// declarations. |
774 | SourceLocation getOuterLocStart() const; |
775 | |
776 | SourceRange getSourceRange() const override LLVM_READONLY__attribute__((__pure__)); |
777 | |
778 | SourceLocation getBeginLoc() const LLVM_READONLY__attribute__((__pure__)) { |
779 | return getOuterLocStart(); |
780 | } |
781 | |
782 | /// Retrieve the nested-name-specifier that qualifies the name of this |
783 | /// declaration, if it was present in the source. |
784 | NestedNameSpecifier *getQualifier() const { |
785 | return hasExtInfo() ? getExtInfo()->QualifierLoc.getNestedNameSpecifier() |
786 | : nullptr; |
787 | } |
788 | |
789 | /// Retrieve the nested-name-specifier (with source-location |
790 | /// information) that qualifies the name of this declaration, if it was |
791 | /// present in the source. |
792 | NestedNameSpecifierLoc getQualifierLoc() const { |
793 | return hasExtInfo() ? getExtInfo()->QualifierLoc |
794 | : NestedNameSpecifierLoc(); |
795 | } |
796 | |
797 | void setQualifierInfo(NestedNameSpecifierLoc QualifierLoc); |
798 | |
799 | /// \brief Get the constraint-expression introduced by the trailing |
800 | /// requires-clause in the function/member declaration, or null if no |
801 | /// requires-clause was provided. |
802 | Expr *getTrailingRequiresClause() { |
803 | return hasExtInfo() ? getExtInfo()->TrailingRequiresClause |
804 | : nullptr; |
805 | } |
806 | |
807 | const Expr *getTrailingRequiresClause() const { |
808 | return hasExtInfo() ? getExtInfo()->TrailingRequiresClause |
809 | : nullptr; |
810 | } |
811 | |
812 | void setTrailingRequiresClause(Expr *TrailingRequiresClause); |
813 | |
814 | unsigned getNumTemplateParameterLists() const { |
815 | return hasExtInfo() ? getExtInfo()->NumTemplParamLists : 0; |
816 | } |
817 | |
818 | TemplateParameterList *getTemplateParameterList(unsigned index) const { |
819 | assert(index < getNumTemplateParameterLists())((void)0); |
820 | return getExtInfo()->TemplParamLists[index]; |
821 | } |
822 | |
823 | void setTemplateParameterListsInfo(ASTContext &Context, |
824 | ArrayRef<TemplateParameterList *> TPLists); |
825 | |
826 | SourceLocation getTypeSpecStartLoc() const; |
827 | SourceLocation getTypeSpecEndLoc() const; |
828 | |
829 | // Implement isa/cast/dyncast/etc. |
830 | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
831 | static bool classofKind(Kind K) { |
832 | return K >= firstDeclarator && K <= lastDeclarator; |
833 | } |
834 | }; |
835 | |
836 | /// Structure used to store a statement, the constant value to |
837 | /// which it was evaluated (if any), and whether or not the statement |
838 | /// is an integral constant expression (if known). |
839 | struct EvaluatedStmt { |
840 | /// Whether this statement was already evaluated. |
841 | bool WasEvaluated : 1; |
842 | |
843 | /// Whether this statement is being evaluated. |
844 | bool IsEvaluating : 1; |
845 | |
846 | /// Whether this variable is known to have constant initialization. This is |
847 | /// currently only computed in C++, for static / thread storage duration |
848 | /// variables that might have constant initialization and for variables that |
849 | /// are usable in constant expressions. |
850 | bool HasConstantInitialization : 1; |
851 | |
852 | /// Whether this variable is known to have constant destruction. That is, |
853 | /// whether running the destructor on the initial value is a side-effect |
854 | /// (and doesn't inspect any state that might have changed during program |
855 | /// execution). This is currently only computed if the destructor is |
856 | /// non-trivial. |
857 | bool HasConstantDestruction : 1; |
858 | |
859 | /// In C++98, whether the initializer is an ICE. This affects whether the |
860 | /// variable is usable in constant expressions. |
861 | bool HasICEInit : 1; |
862 | bool CheckedForICEInit : 1; |
863 | |
864 | Stmt *Value; |
865 | APValue Evaluated; |
866 | |
867 | EvaluatedStmt() |
868 | : WasEvaluated(false), IsEvaluating(false), |
869 | HasConstantInitialization(false), HasConstantDestruction(false), |
870 | HasICEInit(false), CheckedForICEInit(false) {} |
871 | }; |
872 | |
873 | /// Represents a variable declaration or definition. |
874 | class VarDecl : public DeclaratorDecl, public Redeclarable<VarDecl> { |
875 | public: |
876 | /// Initialization styles. |
877 | enum InitializationStyle { |
878 | /// C-style initialization with assignment |
879 | CInit, |
880 | |
881 | /// Call-style initialization (C++98) |
882 | CallInit, |
883 | |
884 | /// Direct list-initialization (C++11) |
885 | ListInit |
886 | }; |
887 | |
888 | /// Kinds of thread-local storage. |
889 | enum TLSKind { |
890 | /// Not a TLS variable. |
891 | TLS_None, |
892 | |
893 | /// TLS with a known-constant initializer. |
894 | TLS_Static, |
895 | |
896 | /// TLS with a dynamic initializer. |
897 | TLS_Dynamic |
898 | }; |
899 | |
900 | /// Return the string used to specify the storage class \p SC. |
901 | /// |
902 | /// It is illegal to call this function with SC == None. |
903 | static const char *getStorageClassSpecifierString(StorageClass SC); |
904 | |
905 | protected: |
906 | // A pointer union of Stmt * and EvaluatedStmt *. When an EvaluatedStmt, we |
907 | // have allocated the auxiliary struct of information there. |
908 | // |
909 | // TODO: It is a bit unfortunate to use a PointerUnion inside the VarDecl for |
910 | // this as *many* VarDecls are ParmVarDecls that don't have default |
911 | // arguments. We could save some space by moving this pointer union to be |
912 | // allocated in trailing space when necessary. |
913 | using InitType = llvm::PointerUnion<Stmt *, EvaluatedStmt *>; |
914 | |
915 | /// The initializer for this variable or, for a ParmVarDecl, the |
916 | /// C++ default argument. |
917 | mutable InitType Init; |
918 | |
919 | private: |
920 | friend class ASTDeclReader; |
921 | friend class ASTNodeImporter; |
922 | friend class StmtIteratorBase; |
923 | |
924 | class VarDeclBitfields { |
925 | friend class ASTDeclReader; |
926 | friend class VarDecl; |
927 | |
928 | unsigned SClass : 3; |
929 | unsigned TSCSpec : 2; |
930 | unsigned InitStyle : 2; |
931 | |
932 | /// Whether this variable is an ARC pseudo-__strong variable; see |
933 | /// isARCPseudoStrong() for details. |
934 | unsigned ARCPseudoStrong : 1; |
935 | }; |
936 | enum { NumVarDeclBits = 8 }; |
937 | |
938 | protected: |
939 | enum { NumParameterIndexBits = 8 }; |
940 | |
941 | enum DefaultArgKind { |
942 | DAK_None, |
943 | DAK_Unparsed, |
944 | DAK_Uninstantiated, |
945 | DAK_Normal |
946 | }; |
947 | |
948 | enum { NumScopeDepthOrObjCQualsBits = 7 }; |
949 | |
950 | class ParmVarDeclBitfields { |
951 | friend class ASTDeclReader; |
952 | friend class ParmVarDecl; |
953 | |
954 | unsigned : NumVarDeclBits; |
955 | |
956 | /// Whether this parameter inherits a default argument from a |
957 | /// prior declaration. |
958 | unsigned HasInheritedDefaultArg : 1; |
959 | |
960 | /// Describes the kind of default argument for this parameter. By default |
961 | /// this is none. If this is normal, then the default argument is stored in |
962 | /// the \c VarDecl initializer expression unless we were unable to parse |
963 | /// (even an invalid) expression for the default argument. |
964 | unsigned DefaultArgKind : 2; |
965 | |
966 | /// Whether this parameter undergoes K&R argument promotion. |
967 | unsigned IsKNRPromoted : 1; |
968 | |
969 | /// Whether this parameter is an ObjC method parameter or not. |
970 | unsigned IsObjCMethodParam : 1; |
971 | |
972 | /// If IsObjCMethodParam, a Decl::ObjCDeclQualifier. |
973 | /// Otherwise, the number of function parameter scopes enclosing |
974 | /// the function parameter scope in which this parameter was |
975 | /// declared. |
976 | unsigned ScopeDepthOrObjCQuals : NumScopeDepthOrObjCQualsBits; |
977 | |
978 | /// The number of parameters preceding this parameter in the |
979 | /// function parameter scope in which it was declared. |
980 | unsigned ParameterIndex : NumParameterIndexBits; |
981 | }; |
982 | |
983 | class NonParmVarDeclBitfields { |
984 | friend class ASTDeclReader; |
985 | friend class ImplicitParamDecl; |
986 | friend class VarDecl; |
987 | |
988 | unsigned : NumVarDeclBits; |
989 | |
990 | // FIXME: We need something similar to CXXRecordDecl::DefinitionData. |
991 | /// Whether this variable is a definition which was demoted due to |
992 | /// module merge. |
993 | unsigned IsThisDeclarationADemotedDefinition : 1; |
994 | |
995 | /// Whether this variable is the exception variable in a C++ catch |
996 | /// or an Objective-C @catch statement. |
997 | unsigned ExceptionVar : 1; |
998 | |
999 | /// Whether this local variable could be allocated in the return |
1000 | /// slot of its function, enabling the named return value optimization |
1001 | /// (NRVO). |
1002 | unsigned NRVOVariable : 1; |
1003 | |
1004 | /// Whether this variable is the for-range-declaration in a C++0x |
1005 | /// for-range statement. |
1006 | unsigned CXXForRangeDecl : 1; |
1007 | |
1008 | /// Whether this variable is the for-in loop declaration in Objective-C. |
1009 | unsigned ObjCForDecl : 1; |
1010 | |
1011 | /// Whether this variable is (C++1z) inline. |
1012 | unsigned IsInline : 1; |
1013 | |
1014 | /// Whether this variable has (C++1z) inline explicitly specified. |
1015 | unsigned IsInlineSpecified : 1; |
1016 | |
1017 | /// Whether this variable is (C++0x) constexpr. |
1018 | unsigned IsConstexpr : 1; |
1019 | |
1020 | /// Whether this variable is the implicit variable for a lambda |
1021 | /// init-capture. |
1022 | unsigned IsInitCapture : 1; |
1023 | |
1024 | /// Whether this local extern variable's previous declaration was |
1025 | /// declared in the same block scope. This controls whether we should merge |
1026 | /// the type of this declaration with its previous declaration. |
1027 | unsigned PreviousDeclInSameBlockScope : 1; |
1028 | |
1029 | /// Defines kind of the ImplicitParamDecl: 'this', 'self', 'vtt', '_cmd' or |
1030 | /// something else. |
1031 | unsigned ImplicitParamKind : 3; |
1032 | |
1033 | unsigned EscapingByref : 1; |
1034 | }; |
1035 | |
1036 | union { |
1037 | unsigned AllBits; |
1038 | VarDeclBitfields VarDeclBits; |
1039 | ParmVarDeclBitfields ParmVarDeclBits; |
1040 | NonParmVarDeclBitfields NonParmVarDeclBits; |
1041 | }; |
1042 | |
1043 | VarDecl(Kind DK, ASTContext &C, DeclContext *DC, SourceLocation StartLoc, |
1044 | SourceLocation IdLoc, IdentifierInfo *Id, QualType T, |
1045 | TypeSourceInfo *TInfo, StorageClass SC); |
1046 | |
1047 | using redeclarable_base = Redeclarable<VarDecl>; |
1048 | |
1049 | VarDecl *getNextRedeclarationImpl() override { |
1050 | return getNextRedeclaration(); |
1051 | } |
1052 | |
1053 | VarDecl *getPreviousDeclImpl() override { |
1054 | return getPreviousDecl(); |
1055 | } |
1056 | |
1057 | VarDecl *getMostRecentDeclImpl() override { |
1058 | return getMostRecentDecl(); |
1059 | } |
1060 | |
1061 | public: |
1062 | using redecl_range = redeclarable_base::redecl_range; |
1063 | using redecl_iterator = redeclarable_base::redecl_iterator; |
1064 | |
1065 | using redeclarable_base::redecls_begin; |
1066 | using redeclarable_base::redecls_end; |
1067 | using redeclarable_base::redecls; |
1068 | using redeclarable_base::getPreviousDecl; |
1069 | using redeclarable_base::getMostRecentDecl; |
1070 | using redeclarable_base::isFirstDecl; |
1071 | |
1072 | static VarDecl *Create(ASTContext &C, DeclContext *DC, |
1073 | SourceLocation StartLoc, SourceLocation IdLoc, |
1074 | IdentifierInfo *Id, QualType T, TypeSourceInfo *TInfo, |
1075 | StorageClass S); |
1076 | |
1077 | static VarDecl *CreateDeserialized(ASTContext &C, unsigned ID); |
1078 | |
1079 | SourceRange getSourceRange() const override LLVM_READONLY__attribute__((__pure__)); |
1080 | |
1081 | /// Returns the storage class as written in the source. For the |
1082 | /// computed linkage of symbol, see getLinkage. |
1083 | StorageClass getStorageClass() const { |
1084 | return (StorageClass) VarDeclBits.SClass; |
1085 | } |
1086 | void setStorageClass(StorageClass SC); |
1087 | |
1088 | void setTSCSpec(ThreadStorageClassSpecifier TSC) { |
1089 | VarDeclBits.TSCSpec = TSC; |
1090 | assert(VarDeclBits.TSCSpec == TSC && "truncation")((void)0); |
1091 | } |
1092 | ThreadStorageClassSpecifier getTSCSpec() const { |
1093 | return static_cast<ThreadStorageClassSpecifier>(VarDeclBits.TSCSpec); |
1094 | } |
1095 | TLSKind getTLSKind() const; |
1096 | |
1097 | /// Returns true if a variable with function scope is a non-static local |
1098 | /// variable. |
1099 | bool hasLocalStorage() const { |
1100 | if (getStorageClass() == SC_None) { |
1101 | // OpenCL v1.2 s6.5.3: The __constant or constant address space name is |
1102 | // used to describe variables allocated in global memory and which are |
1103 | // accessed inside a kernel(s) as read-only variables. As such, variables |
1104 | // in constant address space cannot have local storage. |
1105 | if (getType().getAddressSpace() == LangAS::opencl_constant) |
1106 | return false; |
1107 | // Second check is for C++11 [dcl.stc]p4. |
1108 | return !isFileVarDecl() && getTSCSpec() == TSCS_unspecified; |
1109 | } |
1110 | |
1111 | // Global Named Register (GNU extension) |
1112 | if (getStorageClass() == SC_Register && !isLocalVarDeclOrParm()) |
1113 | return false; |
1114 | |
1115 | // Return true for: Auto, Register. |
1116 | // Return false for: Extern, Static, PrivateExtern, OpenCLWorkGroupLocal. |
1117 | |
1118 | return getStorageClass() >= SC_Auto; |
1119 | } |
1120 | |
1121 | /// Returns true if a variable with function scope is a static local |
1122 | /// variable. |
1123 | bool isStaticLocal() const { |
1124 | return (getStorageClass() == SC_Static || |
1125 | // C++11 [dcl.stc]p4 |
1126 | (getStorageClass() == SC_None && getTSCSpec() == TSCS_thread_local)) |
1127 | && !isFileVarDecl(); |
1128 | } |
1129 | |
1130 | /// Returns true if a variable has extern or __private_extern__ |
1131 | /// storage. |
1132 | bool hasExternalStorage() const { |
1133 | return getStorageClass() == SC_Extern || |
1134 | getStorageClass() == SC_PrivateExtern; |
1135 | } |
1136 | |
1137 | /// Returns true for all variables that do not have local storage. |
1138 | /// |
1139 | /// This includes all global variables as well as static variables declared |
1140 | /// within a function. |
1141 | bool hasGlobalStorage() const { return !hasLocalStorage(); } |
1142 | |
1143 | /// Get the storage duration of this variable, per C++ [basic.stc]. |
1144 | StorageDuration getStorageDuration() const { |
1145 | return hasLocalStorage() ? SD_Automatic : |
1146 | getTSCSpec() ? SD_Thread : SD_Static; |
1147 | } |
1148 | |
1149 | /// Compute the language linkage. |
1150 | LanguageLinkage getLanguageLinkage() const; |
1151 | |
1152 | /// Determines whether this variable is a variable with external, C linkage. |
1153 | bool isExternC() const; |
1154 | |
1155 | /// Determines whether this variable's context is, or is nested within, |
1156 | /// a C++ extern "C" linkage spec. |
1157 | bool isInExternCContext() const; |
1158 | |
1159 | /// Determines whether this variable's context is, or is nested within, |
1160 | /// a C++ extern "C++" linkage spec. |
1161 | bool isInExternCXXContext() const; |
1162 | |
1163 | /// Returns true for local variable declarations other than parameters. |
1164 | /// Note that this includes static variables inside of functions. It also |
1165 | /// includes variables inside blocks. |
1166 | /// |
1167 | /// void foo() { int x; static int y; extern int z; } |
1168 | bool isLocalVarDecl() const { |
1169 | if (getKind() != Decl::Var && getKind() != Decl::Decomposition) |
1170 | return false; |
1171 | if (const DeclContext *DC = getLexicalDeclContext()) |
1172 | return DC->getRedeclContext()->isFunctionOrMethod(); |
1173 | return false; |
1174 | } |
1175 | |
1176 | /// Similar to isLocalVarDecl but also includes parameters. |
1177 | bool isLocalVarDeclOrParm() const { |
1178 | return isLocalVarDecl() || getKind() == Decl::ParmVar; |
1179 | } |
1180 | |
1181 | /// Similar to isLocalVarDecl, but excludes variables declared in blocks. |
1182 | bool isFunctionOrMethodVarDecl() const { |
1183 | if (getKind() != Decl::Var && getKind() != Decl::Decomposition) |
1184 | return false; |
1185 | const DeclContext *DC = getLexicalDeclContext()->getRedeclContext(); |
1186 | return DC->isFunctionOrMethod() && DC->getDeclKind() != Decl::Block; |
1187 | } |
1188 | |
1189 | /// Determines whether this is a static data member. |
1190 | /// |
1191 | /// This will only be true in C++, and applies to, e.g., the |
1192 | /// variable 'x' in: |
1193 | /// \code |
1194 | /// struct S { |
1195 | /// static int x; |
1196 | /// }; |
1197 | /// \endcode |
1198 | bool isStaticDataMember() const { |
1199 | // If it wasn't static, it would be a FieldDecl. |
1200 | return getKind() != Decl::ParmVar && getDeclContext()->isRecord(); |
1201 | } |
1202 | |
1203 | VarDecl *getCanonicalDecl() override; |
1204 | const VarDecl *getCanonicalDecl() const { |
1205 | return const_cast<VarDecl*>(this)->getCanonicalDecl(); |
1206 | } |
1207 | |
1208 | enum DefinitionKind { |
1209 | /// This declaration is only a declaration. |
1210 | DeclarationOnly, |
1211 | |
1212 | /// This declaration is a tentative definition. |
1213 | TentativeDefinition, |
1214 | |
1215 | /// This declaration is definitely a definition. |
1216 | Definition |
1217 | }; |
1218 | |
1219 | /// Check whether this declaration is a definition. If this could be |
1220 | /// a tentative definition (in C), don't check whether there's an overriding |
1221 | /// definition. |
1222 | DefinitionKind isThisDeclarationADefinition(ASTContext &) const; |
1223 | DefinitionKind isThisDeclarationADefinition() const { |
1224 | return isThisDeclarationADefinition(getASTContext()); |
1225 | } |
1226 | |
1227 | /// Check whether this variable is defined in this translation unit. |
1228 | DefinitionKind hasDefinition(ASTContext &) const; |
1229 | DefinitionKind hasDefinition() const { |
1230 | return hasDefinition(getASTContext()); |
1231 | } |
1232 | |
1233 | /// Get the tentative definition that acts as the real definition in a TU. |
1234 | /// Returns null if there is a proper definition available. |
1235 | VarDecl *getActingDefinition(); |
1236 | const VarDecl *getActingDefinition() const { |
1237 | return const_cast<VarDecl*>(this)->getActingDefinition(); |
1238 | } |
1239 | |
1240 | /// Get the real (not just tentative) definition for this declaration. |
1241 | VarDecl *getDefinition(ASTContext &); |
1242 | const VarDecl *getDefinition(ASTContext &C) const { |
1243 | return const_cast<VarDecl*>(this)->getDefinition(C); |
1244 | } |
1245 | VarDecl *getDefinition() { |
1246 | return getDefinition(getASTContext()); |
1247 | } |
1248 | const VarDecl *getDefinition() const { |
1249 | return const_cast<VarDecl*>(this)->getDefinition(); |
1250 | } |
1251 | |
1252 | /// Determine whether this is or was instantiated from an out-of-line |
1253 | /// definition of a static data member. |
1254 | bool isOutOfLine() const override; |
1255 | |
1256 | /// Returns true for file scoped variable declaration. |
1257 | bool isFileVarDecl() const { |
1258 | Kind K = getKind(); |
1259 | if (K == ParmVar || K == ImplicitParam) |
1260 | return false; |
1261 | |
1262 | if (getLexicalDeclContext()->getRedeclContext()->isFileContext()) |
1263 | return true; |
1264 | |
1265 | if (isStaticDataMember()) |
1266 | return true; |
1267 | |
1268 | return false; |
1269 | } |
1270 | |
1271 | /// Get the initializer for this variable, no matter which |
1272 | /// declaration it is attached to. |
1273 | const Expr *getAnyInitializer() const { |
1274 | const VarDecl *D; |
1275 | return getAnyInitializer(D); |
1276 | } |
1277 | |
1278 | /// Get the initializer for this variable, no matter which |
1279 | /// declaration it is attached to. Also get that declaration. |
1280 | const Expr *getAnyInitializer(const VarDecl *&D) const; |
1281 | |
1282 | bool hasInit() const; |
1283 | const Expr *getInit() const { |
1284 | return const_cast<VarDecl *>(this)->getInit(); |
1285 | } |
1286 | Expr *getInit(); |
1287 | |
1288 | /// Retrieve the address of the initializer expression. |
1289 | Stmt **getInitAddress(); |
1290 | |
1291 | void setInit(Expr *I); |
1292 | |
1293 | /// Get the initializing declaration of this variable, if any. This is |
1294 | /// usually the definition, except that for a static data member it can be |
1295 | /// the in-class declaration. |
1296 | VarDecl *getInitializingDeclaration(); |
1297 | const VarDecl *getInitializingDeclaration() const { |
1298 | return const_cast<VarDecl *>(this)->getInitializingDeclaration(); |
1299 | } |
1300 | |
1301 | /// Determine whether this variable's value might be usable in a |
1302 | /// constant expression, according to the relevant language standard. |
1303 | /// This only checks properties of the declaration, and does not check |
1304 | /// whether the initializer is in fact a constant expression. |
1305 | /// |
1306 | /// This corresponds to C++20 [expr.const]p3's notion of a |
1307 | /// "potentially-constant" variable. |
1308 | bool mightBeUsableInConstantExpressions(const ASTContext &C) const; |
1309 | |
1310 | /// Determine whether this variable's value can be used in a |
1311 | /// constant expression, according to the relevant language standard, |
1312 | /// including checking whether it was initialized by a constant expression. |
1313 | bool isUsableInConstantExpressions(const ASTContext &C) const; |
1314 | |
1315 | EvaluatedStmt *ensureEvaluatedStmt() const; |
1316 | EvaluatedStmt *getEvaluatedStmt() const; |
1317 | |
1318 | /// Attempt to evaluate the value of the initializer attached to this |
1319 | /// declaration, and produce notes explaining why it cannot be evaluated. |
1320 | /// Returns a pointer to the value if evaluation succeeded, 0 otherwise. |
1321 | APValue *evaluateValue() const; |
1322 | |
1323 | private: |
1324 | APValue *evaluateValueImpl(SmallVectorImpl<PartialDiagnosticAt> &Notes, |
1325 | bool IsConstantInitialization) const; |
1326 | |
1327 | public: |
1328 | /// Return the already-evaluated value of this variable's |
1329 | /// initializer, or NULL if the value is not yet known. Returns pointer |
1330 | /// to untyped APValue if the value could not be evaluated. |
1331 | APValue *getEvaluatedValue() const; |
1332 | |
1333 | /// Evaluate the destruction of this variable to determine if it constitutes |
1334 | /// constant destruction. |
1335 | /// |
1336 | /// \pre hasConstantInitialization() |
1337 | /// \return \c true if this variable has constant destruction, \c false if |
1338 | /// not. |
1339 | bool evaluateDestruction(SmallVectorImpl<PartialDiagnosticAt> &Notes) const; |
1340 | |
1341 | /// Determine whether this variable has constant initialization. |
1342 | /// |
1343 | /// This is only set in two cases: when the language semantics require |
1344 | /// constant initialization (globals in C and some globals in C++), and when |
1345 | /// the variable is usable in constant expressions (constexpr, const int, and |
1346 | /// reference variables in C++). |
1347 | bool hasConstantInitialization() const; |
1348 | |
1349 | /// Determine whether the initializer of this variable is an integer constant |
1350 | /// expression. For use in C++98, where this affects whether the variable is |
1351 | /// usable in constant expressions. |
1352 | bool hasICEInitializer(const ASTContext &Context) const; |
1353 | |
1354 | /// Evaluate the initializer of this variable to determine whether it's a |
1355 | /// constant initializer. Should only be called once, after completing the |
1356 | /// definition of the variable. |
1357 | bool checkForConstantInitialization( |
1358 | SmallVectorImpl<PartialDiagnosticAt> &Notes) const; |
1359 | |
1360 | void setInitStyle(InitializationStyle Style) { |
1361 | VarDeclBits.InitStyle = Style; |
1362 | } |
1363 | |
1364 | /// The style of initialization for this declaration. |
1365 | /// |
1366 | /// C-style initialization is "int x = 1;". Call-style initialization is |
1367 | /// a C++98 direct-initializer, e.g. "int x(1);". The Init expression will be |
1368 | /// the expression inside the parens or a "ClassType(a,b,c)" class constructor |
1369 | /// expression for class types. List-style initialization is C++11 syntax, |
1370 | /// e.g. "int x{1};". Clients can distinguish between different forms of |
1371 | /// initialization by checking this value. In particular, "int x = {1};" is |
1372 | /// C-style, "int x({1})" is call-style, and "int x{1};" is list-style; the |
1373 | /// Init expression in all three cases is an InitListExpr. |
1374 | InitializationStyle getInitStyle() const { |
1375 | return static_cast<InitializationStyle>(VarDeclBits.InitStyle); |
1376 | } |
1377 | |
1378 | /// Whether the initializer is a direct-initializer (list or call). |
1379 | bool isDirectInit() const { |
1380 | return getInitStyle() != CInit; |
1381 | } |
1382 | |
1383 | /// If this definition should pretend to be a declaration. |
1384 | bool isThisDeclarationADemotedDefinition() const { |
1385 | return isa<ParmVarDecl>(this) ? false : |
1386 | NonParmVarDeclBits.IsThisDeclarationADemotedDefinition; |
1387 | } |
1388 | |
1389 | /// This is a definition which should be demoted to a declaration. |
1390 | /// |
1391 | /// In some cases (mostly module merging) we can end up with two visible |
1392 | /// definitions one of which needs to be demoted to a declaration to keep |
1393 | /// the AST invariants. |
1394 | void demoteThisDefinitionToDeclaration() { |
1395 | assert(isThisDeclarationADefinition() && "Not a definition!")((void)0); |
1396 | assert(!isa<ParmVarDecl>(this) && "Cannot demote ParmVarDecls!")((void)0); |
1397 | NonParmVarDeclBits.IsThisDeclarationADemotedDefinition = 1; |
1398 | } |
1399 | |
1400 | /// Determine whether this variable is the exception variable in a |
1401 | /// C++ catch statememt or an Objective-C \@catch statement. |
1402 | bool isExceptionVariable() const { |
1403 | return isa<ParmVarDecl>(this) ? false : NonParmVarDeclBits.ExceptionVar; |
1404 | } |
1405 | void setExceptionVariable(bool EV) { |
1406 | assert(!isa<ParmVarDecl>(this))((void)0); |
1407 | NonParmVarDeclBits.ExceptionVar = EV; |
1408 | } |
1409 | |
1410 | /// Determine whether this local variable can be used with the named |
1411 | /// return value optimization (NRVO). |
1412 | /// |
1413 | /// The named return value optimization (NRVO) works by marking certain |
1414 | /// non-volatile local variables of class type as NRVO objects. These |
1415 | /// locals can be allocated within the return slot of their containing |
1416 | /// function, in which case there is no need to copy the object to the |
1417 | /// return slot when returning from the function. Within the function body, |
1418 | /// each return that returns the NRVO object will have this variable as its |
1419 | /// NRVO candidate. |
1420 | bool isNRVOVariable() const { |
1421 | return isa<ParmVarDecl>(this) ? false : NonParmVarDeclBits.NRVOVariable; |
1422 | } |
1423 | void setNRVOVariable(bool NRVO) { |
1424 | assert(!isa<ParmVarDecl>(this))((void)0); |
1425 | NonParmVarDeclBits.NRVOVariable = NRVO; |
1426 | } |
1427 | |
1428 | /// Determine whether this variable is the for-range-declaration in |
1429 | /// a C++0x for-range statement. |
1430 | bool isCXXForRangeDecl() const { |
1431 | return isa<ParmVarDecl>(this) ? false : NonParmVarDeclBits.CXXForRangeDecl; |
1432 | } |
1433 | void setCXXForRangeDecl(bool FRD) { |
1434 | assert(!isa<ParmVarDecl>(this))((void)0); |
1435 | NonParmVarDeclBits.CXXForRangeDecl = FRD; |
1436 | } |
1437 | |
1438 | /// Determine whether this variable is a for-loop declaration for a |
1439 | /// for-in statement in Objective-C. |
1440 | bool isObjCForDecl() const { |
1441 | return NonParmVarDeclBits.ObjCForDecl; |
1442 | } |
1443 | |
1444 | void setObjCForDecl(bool FRD) { |
1445 | NonParmVarDeclBits.ObjCForDecl = FRD; |
1446 | } |
1447 | |
1448 | /// Determine whether this variable is an ARC pseudo-__strong variable. A |
1449 | /// pseudo-__strong variable has a __strong-qualified type but does not |
1450 | /// actually retain the object written into it. Generally such variables are |
1451 | /// also 'const' for safety. There are 3 cases where this will be set, 1) if |
1452 | /// the variable is annotated with the objc_externally_retained attribute, 2) |
1453 | /// if its 'self' in a non-init method, or 3) if its the variable in an for-in |
1454 | /// loop. |
1455 | bool isARCPseudoStrong() const { return VarDeclBits.ARCPseudoStrong; } |
1456 | void setARCPseudoStrong(bool PS) { VarDeclBits.ARCPseudoStrong = PS; } |
1457 | |
1458 | /// Whether this variable is (C++1z) inline. |
1459 | bool isInline() const { |
1460 | return isa<ParmVarDecl>(this) ? false : NonParmVarDeclBits.IsInline; |
1461 | } |
1462 | bool isInlineSpecified() const { |
1463 | return isa<ParmVarDecl>(this) ? false |
1464 | : NonParmVarDeclBits.IsInlineSpecified; |
1465 | } |
1466 | void setInlineSpecified() { |
1467 | assert(!isa<ParmVarDecl>(this))((void)0); |
1468 | NonParmVarDeclBits.IsInline = true; |
1469 | NonParmVarDeclBits.IsInlineSpecified = true; |
1470 | } |
1471 | void setImplicitlyInline() { |
1472 | assert(!isa<ParmVarDecl>(this))((void)0); |
1473 | NonParmVarDeclBits.IsInline = true; |
1474 | } |
1475 | |
1476 | /// Whether this variable is (C++11) constexpr. |
1477 | bool isConstexpr() const { |
1478 | return isa<ParmVarDecl>(this) ? false : NonParmVarDeclBits.IsConstexpr; |
1479 | } |
1480 | void setConstexpr(bool IC) { |
1481 | assert(!isa<ParmVarDecl>(this))((void)0); |
1482 | NonParmVarDeclBits.IsConstexpr = IC; |
1483 | } |
1484 | |
1485 | /// Whether this variable is the implicit variable for a lambda init-capture. |
1486 | bool isInitCapture() const { |
1487 | return isa<ParmVarDecl>(this) ? false : NonParmVarDeclBits.IsInitCapture; |
1488 | } |
1489 | void setInitCapture(bool IC) { |
1490 | assert(!isa<ParmVarDecl>(this))((void)0); |
1491 | NonParmVarDeclBits.IsInitCapture = IC; |
1492 | } |
1493 | |
1494 | /// Determine whether this variable is actually a function parameter pack or |
1495 | /// init-capture pack. |
1496 | bool isParameterPack() const; |
1497 | |
1498 | /// Whether this local extern variable declaration's previous declaration |
1499 | /// was declared in the same block scope. Only correct in C++. |
1500 | bool isPreviousDeclInSameBlockScope() const { |
1501 | return isa<ParmVarDecl>(this) |
1502 | ? false |
1503 | : NonParmVarDeclBits.PreviousDeclInSameBlockScope; |
1504 | } |
1505 | void setPreviousDeclInSameBlockScope(bool Same) { |
1506 | assert(!isa<ParmVarDecl>(this))((void)0); |
1507 | NonParmVarDeclBits.PreviousDeclInSameBlockScope = Same; |
1508 | } |
1509 | |
1510 | /// Indicates the capture is a __block variable that is captured by a block |
1511 | /// that can potentially escape (a block for which BlockDecl::doesNotEscape |
1512 | /// returns false). |
1513 | bool isEscapingByref() const; |
1514 | |
1515 | /// Indicates the capture is a __block variable that is never captured by an |
1516 | /// escaping block. |
1517 | bool isNonEscapingByref() const; |
1518 | |
1519 | void setEscapingByref() { |
1520 | NonParmVarDeclBits.EscapingByref = true; |
1521 | } |
1522 | |
1523 | /// Determines if this variable's alignment is dependent. |
1524 | bool hasDependentAlignment() const; |
1525 | |
1526 | /// Retrieve the variable declaration from which this variable could |
1527 | /// be instantiated, if it is an instantiation (rather than a non-template). |
1528 | VarDecl *getTemplateInstantiationPattern() const; |
1529 | |
1530 | /// If this variable is an instantiated static data member of a |
1531 | /// class template specialization, returns the templated static data member |
1532 | /// from which it was instantiated. |
1533 | VarDecl *getInstantiatedFromStaticDataMember() const; |
1534 | |
1535 | /// If this variable is an instantiation of a variable template or a |
1536 | /// static data member of a class template, determine what kind of |
1537 | /// template specialization or instantiation this is. |
1538 | TemplateSpecializationKind getTemplateSpecializationKind() const; |
1539 | |
1540 | /// Get the template specialization kind of this variable for the purposes of |
1541 | /// template instantiation. This differs from getTemplateSpecializationKind() |
1542 | /// for an instantiation of a class-scope explicit specialization. |
1543 | TemplateSpecializationKind |
1544 | getTemplateSpecializationKindForInstantiation() const; |
1545 | |
1546 | /// If this variable is an instantiation of a variable template or a |
1547 | /// static data member of a class template, determine its point of |
1548 | /// instantiation. |
1549 | SourceLocation getPointOfInstantiation() const; |
1550 | |
1551 | /// If this variable is an instantiation of a static data member of a |
1552 | /// class template specialization, retrieves the member specialization |
1553 | /// information. |
1554 | MemberSpecializationInfo *getMemberSpecializationInfo() const; |
1555 | |
1556 | /// For a static data member that was instantiated from a static |
1557 | /// data member of a class template, set the template specialiation kind. |
1558 | void setTemplateSpecializationKind(TemplateSpecializationKind TSK, |
1559 | SourceLocation PointOfInstantiation = SourceLocation()); |
1560 | |
1561 | /// Specify that this variable is an instantiation of the |
1562 | /// static data member VD. |
1563 | void setInstantiationOfStaticDataMember(VarDecl *VD, |
1564 | TemplateSpecializationKind TSK); |
1565 | |
1566 | /// Retrieves the variable template that is described by this |
1567 | /// variable declaration. |
1568 | /// |
1569 | /// Every variable template is represented as a VarTemplateDecl and a |
1570 | /// VarDecl. The former contains template properties (such as |
1571 | /// the template parameter lists) while the latter contains the |
1572 | /// actual description of the template's |
1573 | /// contents. VarTemplateDecl::getTemplatedDecl() retrieves the |
1574 | /// VarDecl that from a VarTemplateDecl, while |
1575 | /// getDescribedVarTemplate() retrieves the VarTemplateDecl from |
1576 | /// a VarDecl. |
1577 | VarTemplateDecl *getDescribedVarTemplate() const; |
1578 | |
1579 | void setDescribedVarTemplate(VarTemplateDecl *Template); |
1580 | |
1581 | // Is this variable known to have a definition somewhere in the complete |
1582 | // program? This may be true even if the declaration has internal linkage and |
1583 | // has no definition within this source file. |
1584 | bool isKnownToBeDefined() const; |
1585 | |
1586 | /// Is destruction of this variable entirely suppressed? If so, the variable |
1587 | /// need not have a usable destructor at all. |
1588 | bool isNoDestroy(const ASTContext &) const; |
1589 | |
1590 | /// Would the destruction of this variable have any effect, and if so, what |
1591 | /// kind? |
1592 | QualType::DestructionKind needsDestruction(const ASTContext &Ctx) const; |
1593 | |
1594 | // Implement isa/cast/dyncast/etc. |
1595 | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
1596 | static bool classofKind(Kind K) { return K >= firstVar && K <= lastVar; } |
1597 | }; |
1598 | |
1599 | class ImplicitParamDecl : public VarDecl { |
1600 | void anchor() override; |
1601 | |
1602 | public: |
1603 | /// Defines the kind of the implicit parameter: is this an implicit parameter |
1604 | /// with pointer to 'this', 'self', '_cmd', virtual table pointers, captured |
1605 | /// context or something else. |
1606 | enum ImplicitParamKind : unsigned { |
1607 | /// Parameter for Objective-C 'self' argument |
1608 | ObjCSelf, |
1609 | |
1610 | /// Parameter for Objective-C '_cmd' argument |
1611 | ObjCCmd, |
1612 | |
1613 | /// Parameter for C++ 'this' argument |
1614 | CXXThis, |
1615 | |
1616 | /// Parameter for C++ virtual table pointers |
1617 | CXXVTT, |
1618 | |
1619 | /// Parameter for captured context |
1620 | CapturedContext, |
1621 | |
1622 | /// Other implicit parameter |
1623 | Other, |
1624 | }; |
1625 | |
1626 | /// Create implicit parameter. |
1627 | static ImplicitParamDecl *Create(ASTContext &C, DeclContext *DC, |
1628 | SourceLocation IdLoc, IdentifierInfo *Id, |
1629 | QualType T, ImplicitParamKind ParamKind); |
1630 | static ImplicitParamDecl *Create(ASTContext &C, QualType T, |
1631 | ImplicitParamKind ParamKind); |
1632 | |
1633 | static ImplicitParamDecl *CreateDeserialized(ASTContext &C, unsigned ID); |
1634 | |
1635 | ImplicitParamDecl(ASTContext &C, DeclContext *DC, SourceLocation IdLoc, |
1636 | IdentifierInfo *Id, QualType Type, |
1637 | ImplicitParamKind ParamKind) |
1638 | : VarDecl(ImplicitParam, C, DC, IdLoc, IdLoc, Id, Type, |
1639 | /*TInfo=*/nullptr, SC_None) { |
1640 | NonParmVarDeclBits.ImplicitParamKind = ParamKind; |
1641 | setImplicit(); |
1642 | } |
1643 | |
1644 | ImplicitParamDecl(ASTContext &C, QualType Type, ImplicitParamKind ParamKind) |
1645 | : VarDecl(ImplicitParam, C, /*DC=*/nullptr, SourceLocation(), |
1646 | SourceLocation(), /*Id=*/nullptr, Type, |
1647 | /*TInfo=*/nullptr, SC_None) { |
1648 | NonParmVarDeclBits.ImplicitParamKind = ParamKind; |
1649 | setImplicit(); |
1650 | } |
1651 | |
1652 | /// Returns the implicit parameter kind. |
1653 | ImplicitParamKind getParameterKind() const { |
1654 | return static_cast<ImplicitParamKind>(NonParmVarDeclBits.ImplicitParamKind); |
1655 | } |
1656 | |
1657 | // Implement isa/cast/dyncast/etc. |
1658 | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
1659 | static bool classofKind(Kind K) { return K == ImplicitParam; } |
1660 | }; |
1661 | |
1662 | /// Represents a parameter to a function. |
1663 | class ParmVarDecl : public VarDecl { |
1664 | public: |
1665 | enum { MaxFunctionScopeDepth = 255 }; |
1666 | enum { MaxFunctionScopeIndex = 255 }; |
1667 | |
1668 | protected: |
1669 | ParmVarDecl(Kind DK, ASTContext &C, DeclContext *DC, SourceLocation StartLoc, |
1670 | SourceLocation IdLoc, IdentifierInfo *Id, QualType T, |
1671 | TypeSourceInfo *TInfo, StorageClass S, Expr *DefArg) |
1672 | : VarDecl(DK, C, DC, StartLoc, IdLoc, Id, T, TInfo, S) { |
1673 | assert(ParmVarDeclBits.HasInheritedDefaultArg == false)((void)0); |
1674 | assert(ParmVarDeclBits.DefaultArgKind == DAK_None)((void)0); |
1675 | assert(ParmVarDeclBits.IsKNRPromoted == false)((void)0); |
1676 | assert(ParmVarDeclBits.IsObjCMethodParam == false)((void)0); |
1677 | setDefaultArg(DefArg); |
1678 | } |
1679 | |
1680 | public: |
1681 | static ParmVarDecl *Create(ASTContext &C, DeclContext *DC, |
1682 | SourceLocation StartLoc, |
1683 | SourceLocation IdLoc, IdentifierInfo *Id, |
1684 | QualType T, TypeSourceInfo *TInfo, |
1685 | StorageClass S, Expr *DefArg); |
1686 | |
1687 | static ParmVarDecl *CreateDeserialized(ASTContext &C, unsigned ID); |
1688 | |
1689 | SourceRange getSourceRange() const override LLVM_READONLY__attribute__((__pure__)); |
1690 | |
1691 | void setObjCMethodScopeInfo(unsigned parameterIndex) { |
1692 | ParmVarDeclBits.IsObjCMethodParam = true; |
1693 | setParameterIndex(parameterIndex); |
1694 | } |
1695 | |
1696 | void setScopeInfo(unsigned scopeDepth, unsigned parameterIndex) { |
1697 | assert(!ParmVarDeclBits.IsObjCMethodParam)((void)0); |
1698 | |
1699 | ParmVarDeclBits.ScopeDepthOrObjCQuals = scopeDepth; |
1700 | assert(ParmVarDeclBits.ScopeDepthOrObjCQuals == scopeDepth((void)0) |
1701 | && "truncation!")((void)0); |
1702 | |
1703 | setParameterIndex(parameterIndex); |
1704 | } |
1705 | |
1706 | bool isObjCMethodParameter() const { |
1707 | return ParmVarDeclBits.IsObjCMethodParam; |
1708 | } |
1709 | |
1710 | /// Determines whether this parameter is destroyed in the callee function. |
1711 | bool isDestroyedInCallee() const; |
1712 | |
1713 | unsigned getFunctionScopeDepth() const { |
1714 | if (ParmVarDeclBits.IsObjCMethodParam) return 0; |
1715 | return ParmVarDeclBits.ScopeDepthOrObjCQuals; |
1716 | } |
1717 | |
1718 | static constexpr unsigned getMaxFunctionScopeDepth() { |
1719 | return (1u << NumScopeDepthOrObjCQualsBits) - 1; |
1720 | } |
1721 | |
1722 | /// Returns the index of this parameter in its prototype or method scope. |
1723 | unsigned getFunctionScopeIndex() const { |
1724 | return getParameterIndex(); |
1725 | } |
1726 | |
1727 | ObjCDeclQualifier getObjCDeclQualifier() const { |
1728 | if (!ParmVarDeclBits.IsObjCMethodParam) return OBJC_TQ_None; |
1729 | return ObjCDeclQualifier(ParmVarDeclBits.ScopeDepthOrObjCQuals); |
1730 | } |
1731 | void setObjCDeclQualifier(ObjCDeclQualifier QTVal) { |
1732 | assert(ParmVarDeclBits.IsObjCMethodParam)((void)0); |
1733 | ParmVarDeclBits.ScopeDepthOrObjCQuals = QTVal; |
1734 | } |
1735 | |
1736 | /// True if the value passed to this parameter must undergo |
1737 | /// K&R-style default argument promotion: |
1738 | /// |
1739 | /// C99 6.5.2.2. |
1740 | /// If the expression that denotes the called function has a type |
1741 | /// that does not include a prototype, the integer promotions are |
1742 | /// performed on each argument, and arguments that have type float |
1743 | /// are promoted to double. |
1744 | bool isKNRPromoted() const { |
1745 | return ParmVarDeclBits.IsKNRPromoted; |
1746 | } |
1747 | void setKNRPromoted(bool promoted) { |
1748 | ParmVarDeclBits.IsKNRPromoted = promoted; |
1749 | } |
1750 | |
1751 | Expr *getDefaultArg(); |
1752 | const Expr *getDefaultArg() const { |
1753 | return const_cast<ParmVarDecl *>(this)->getDefaultArg(); |
1754 | } |
1755 | |
1756 | void setDefaultArg(Expr *defarg); |
1757 | |
1758 | /// Retrieve the source range that covers the entire default |
1759 | /// argument. |
1760 | SourceRange getDefaultArgRange() const; |
1761 | void setUninstantiatedDefaultArg(Expr *arg); |
1762 | Expr *getUninstantiatedDefaultArg(); |
1763 | const Expr *getUninstantiatedDefaultArg() const { |
1764 | return const_cast<ParmVarDecl *>(this)->getUninstantiatedDefaultArg(); |
1765 | } |
1766 | |
1767 | /// Determines whether this parameter has a default argument, |
1768 | /// either parsed or not. |
1769 | bool hasDefaultArg() const; |
1770 | |
1771 | /// Determines whether this parameter has a default argument that has not |
1772 | /// yet been parsed. This will occur during the processing of a C++ class |
1773 | /// whose member functions have default arguments, e.g., |
1774 | /// @code |
1775 | /// class X { |
1776 | /// public: |
1777 | /// void f(int x = 17); // x has an unparsed default argument now |
1778 | /// }; // x has a regular default argument now |
1779 | /// @endcode |
1780 | bool hasUnparsedDefaultArg() const { |
1781 | return ParmVarDeclBits.DefaultArgKind == DAK_Unparsed; |
1782 | } |
1783 | |
1784 | bool hasUninstantiatedDefaultArg() const { |
1785 | return ParmVarDeclBits.DefaultArgKind == DAK_Uninstantiated; |
1786 | } |
1787 | |
1788 | /// Specify that this parameter has an unparsed default argument. |
1789 | /// The argument will be replaced with a real default argument via |
1790 | /// setDefaultArg when the class definition enclosing the function |
1791 | /// declaration that owns this default argument is completed. |
1792 | void setUnparsedDefaultArg() { |
1793 | ParmVarDeclBits.DefaultArgKind = DAK_Unparsed; |
1794 | } |
1795 | |
1796 | bool hasInheritedDefaultArg() const { |
1797 | return ParmVarDeclBits.HasInheritedDefaultArg; |
1798 | } |
1799 | |
1800 | void setHasInheritedDefaultArg(bool I = true) { |
1801 | ParmVarDeclBits.HasInheritedDefaultArg = I; |
1802 | } |
1803 | |
1804 | QualType getOriginalType() const; |
1805 | |
1806 | /// Sets the function declaration that owns this |
1807 | /// ParmVarDecl. Since ParmVarDecls are often created before the |
1808 | /// FunctionDecls that own them, this routine is required to update |
1809 | /// the DeclContext appropriately. |
1810 | void setOwningFunction(DeclContext *FD) { setDeclContext(FD); } |
1811 | |
1812 | // Implement isa/cast/dyncast/etc. |
1813 | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
1814 | static bool classofKind(Kind K) { return K == ParmVar; } |
1815 | |
1816 | private: |
1817 | enum { ParameterIndexSentinel = (1 << NumParameterIndexBits) - 1 }; |
1818 | |
1819 | void setParameterIndex(unsigned parameterIndex) { |
1820 | if (parameterIndex >= ParameterIndexSentinel) { |
1821 | setParameterIndexLarge(parameterIndex); |
1822 | return; |
1823 | } |
1824 | |
1825 | ParmVarDeclBits.ParameterIndex = parameterIndex; |
1826 | assert(ParmVarDeclBits.ParameterIndex == parameterIndex && "truncation!")((void)0); |
1827 | } |
1828 | unsigned getParameterIndex() const { |
1829 | unsigned d = ParmVarDeclBits.ParameterIndex; |
1830 | return d == ParameterIndexSentinel ? getParameterIndexLarge() : d; |
1831 | } |
1832 | |
1833 | void setParameterIndexLarge(unsigned parameterIndex); |
1834 | unsigned getParameterIndexLarge() const; |
1835 | }; |
1836 | |
1837 | enum class MultiVersionKind { |
1838 | None, |
1839 | Target, |
1840 | CPUSpecific, |
1841 | CPUDispatch |
1842 | }; |
1843 | |
1844 | /// Represents a function declaration or definition. |
1845 | /// |
1846 | /// Since a given function can be declared several times in a program, |
1847 | /// there may be several FunctionDecls that correspond to that |
1848 | /// function. Only one of those FunctionDecls will be found when |
1849 | /// traversing the list of declarations in the context of the |
1850 | /// FunctionDecl (e.g., the translation unit); this FunctionDecl |
1851 | /// contains all of the information known about the function. Other, |
1852 | /// previous declarations of the function are available via the |
1853 | /// getPreviousDecl() chain. |
1854 | class FunctionDecl : public DeclaratorDecl, |
1855 | public DeclContext, |
1856 | public Redeclarable<FunctionDecl> { |
1857 | // This class stores some data in DeclContext::FunctionDeclBits |
1858 | // to save some space. Use the provided accessors to access it. |
1859 | public: |
1860 | /// The kind of templated function a FunctionDecl can be. |
1861 | enum TemplatedKind { |
1862 | // Not templated. |
1863 | TK_NonTemplate, |
1864 | // The pattern in a function template declaration. |
1865 | TK_FunctionTemplate, |
1866 | // A non-template function that is an instantiation or explicit |
1867 | // specialization of a member of a templated class. |
1868 | TK_MemberSpecialization, |
1869 | // An instantiation or explicit specialization of a function template. |
1870 | // Note: this might have been instantiated from a templated class if it |
1871 | // is a class-scope explicit specialization. |
1872 | TK_FunctionTemplateSpecialization, |
1873 | // A function template specialization that hasn't yet been resolved to a |
1874 | // particular specialized function template. |
1875 | TK_DependentFunctionTemplateSpecialization |
1876 | }; |
1877 | |
1878 | /// Stashed information about a defaulted function definition whose body has |
1879 | /// not yet been lazily generated. |
1880 | class DefaultedFunctionInfo final |
1881 | : llvm::TrailingObjects<DefaultedFunctionInfo, DeclAccessPair> { |
1882 | friend TrailingObjects; |
1883 | unsigned NumLookups; |
1884 | |
1885 | public: |
1886 | static DefaultedFunctionInfo *Create(ASTContext &Context, |
1887 | ArrayRef<DeclAccessPair> Lookups); |
1888 | /// Get the unqualified lookup results that should be used in this |
1889 | /// defaulted function definition. |
1890 | ArrayRef<DeclAccessPair> getUnqualifiedLookups() const { |
1891 | return {getTrailingObjects<DeclAccessPair>(), NumLookups}; |
1892 | } |
1893 | }; |
1894 | |
1895 | private: |
1896 | /// A new[]'d array of pointers to VarDecls for the formal |
1897 | /// parameters of this function. This is null if a prototype or if there are |
1898 | /// no formals. |
1899 | ParmVarDecl **ParamInfo = nullptr; |
1900 | |
1901 | /// The active member of this union is determined by |
1902 | /// FunctionDeclBits.HasDefaultedFunctionInfo. |
1903 | union { |
1904 | /// The body of the function. |
1905 | LazyDeclStmtPtr Body; |
1906 | /// Information about a future defaulted function definition. |
1907 | DefaultedFunctionInfo *DefaultedInfo; |
1908 | }; |
1909 | |
1910 | unsigned ODRHash; |
1911 | |
1912 | /// End part of this FunctionDecl's source range. |
1913 | /// |
1914 | /// We could compute the full range in getSourceRange(). However, when we're |
1915 | /// dealing with a function definition deserialized from a PCH/AST file, |
1916 | /// we can only compute the full range once the function body has been |
1917 | /// de-serialized, so it's far better to have the (sometimes-redundant) |
1918 | /// EndRangeLoc. |
1919 | SourceLocation EndRangeLoc; |
1920 | |
1921 | /// The template or declaration that this declaration |
1922 | /// describes or was instantiated from, respectively. |
1923 | /// |
1924 | /// For non-templates, this value will be NULL. For function |
1925 | /// declarations that describe a function template, this will be a |
1926 | /// pointer to a FunctionTemplateDecl. For member functions |
1927 | /// of class template specializations, this will be a MemberSpecializationInfo |
1928 | /// pointer containing information about the specialization. |
1929 | /// For function template specializations, this will be a |
1930 | /// FunctionTemplateSpecializationInfo, which contains information about |
1931 | /// the template being specialized and the template arguments involved in |
1932 | /// that specialization. |
1933 | llvm::PointerUnion<FunctionTemplateDecl *, |
1934 | MemberSpecializationInfo *, |
1935 | FunctionTemplateSpecializationInfo *, |
1936 | DependentFunctionTemplateSpecializationInfo *> |
1937 | TemplateOrSpecialization; |
1938 | |
1939 | /// Provides source/type location info for the declaration name embedded in |
1940 | /// the DeclaratorDecl base class. |
1941 | DeclarationNameLoc DNLoc; |
1942 | |
1943 | /// Specify that this function declaration is actually a function |
1944 | /// template specialization. |
1945 | /// |
1946 | /// \param C the ASTContext. |
1947 | /// |
1948 | /// \param Template the function template that this function template |
1949 | /// specialization specializes. |
1950 | /// |
1951 | /// \param TemplateArgs the template arguments that produced this |
1952 | /// function template specialization from the template. |
1953 | /// |
1954 | /// \param InsertPos If non-NULL, the position in the function template |
1955 | /// specialization set where the function template specialization data will |
1956 | /// be inserted. |
1957 | /// |
1958 | /// \param TSK the kind of template specialization this is. |
1959 | /// |
1960 | /// \param TemplateArgsAsWritten location info of template arguments. |
1961 | /// |
1962 | /// \param PointOfInstantiation point at which the function template |
1963 | /// specialization was first instantiated. |
1964 | void setFunctionTemplateSpecialization(ASTContext &C, |
1965 | FunctionTemplateDecl *Template, |
1966 | const TemplateArgumentList *TemplateArgs, |
1967 | void *InsertPos, |
1968 | TemplateSpecializationKind TSK, |
1969 | const TemplateArgumentListInfo *TemplateArgsAsWritten, |
1970 | SourceLocation PointOfInstantiation); |
1971 | |
1972 | /// Specify that this record is an instantiation of the |
1973 | /// member function FD. |
1974 | void setInstantiationOfMemberFunction(ASTContext &C, FunctionDecl *FD, |
1975 | TemplateSpecializationKind TSK); |
1976 | |
1977 | void setParams(ASTContext &C, ArrayRef<ParmVarDecl *> NewParamInfo); |
1978 | |
1979 | // This is unfortunately needed because ASTDeclWriter::VisitFunctionDecl |
1980 | // need to access this bit but we want to avoid making ASTDeclWriter |
1981 | // a friend of FunctionDeclBitfields just for this. |
1982 | bool isDeletedBit() const { return FunctionDeclBits.IsDeleted; } |
1983 | |
1984 | /// Whether an ODRHash has been stored. |
1985 | bool hasODRHash() const { return FunctionDeclBits.HasODRHash; } |
1986 | |
1987 | /// State that an ODRHash has been stored. |
1988 | void setHasODRHash(bool B = true) { FunctionDeclBits.HasODRHash = B; } |
1989 | |
1990 | protected: |
1991 | FunctionDecl(Kind DK, ASTContext &C, DeclContext *DC, SourceLocation StartLoc, |
1992 | const DeclarationNameInfo &NameInfo, QualType T, |
1993 | TypeSourceInfo *TInfo, StorageClass S, bool isInlineSpecified, |
1994 | ConstexprSpecKind ConstexprKind, |
1995 | Expr *TrailingRequiresClause = nullptr); |
1996 | |
1997 | using redeclarable_base = Redeclarable<FunctionDecl>; |
1998 | |
1999 | FunctionDecl *getNextRedeclarationImpl() override { |
2000 | return getNextRedeclaration(); |
2001 | } |
2002 | |
2003 | FunctionDecl *getPreviousDeclImpl() override { |
2004 | return getPreviousDecl(); |
2005 | } |
2006 | |
2007 | FunctionDecl *getMostRecentDeclImpl() override { |
2008 | return getMostRecentDecl(); |
2009 | } |
2010 | |
2011 | public: |
2012 | friend class ASTDeclReader; |
2013 | friend class ASTDeclWriter; |
2014 | |
2015 | using redecl_range = redeclarable_base::redecl_range; |
2016 | using redecl_iterator = redeclarable_base::redecl_iterator; |
2017 | |
2018 | using redeclarable_base::redecls_begin; |
2019 | using redeclarable_base::redecls_end; |
2020 | using redeclarable_base::redecls; |
2021 | using redeclarable_base::getPreviousDecl; |
2022 | using redeclarable_base::getMostRecentDecl; |
2023 | using redeclarable_base::isFirstDecl; |
2024 | |
2025 | static FunctionDecl * |
2026 | Create(ASTContext &C, DeclContext *DC, SourceLocation StartLoc, |
2027 | SourceLocation NLoc, DeclarationName N, QualType T, |
2028 | TypeSourceInfo *TInfo, StorageClass SC, bool isInlineSpecified = false, |
2029 | bool hasWrittenPrototype = true, |
2030 | ConstexprSpecKind ConstexprKind = ConstexprSpecKind::Unspecified, |
2031 | Expr *TrailingRequiresClause = nullptr) { |
2032 | DeclarationNameInfo NameInfo(N, NLoc); |
2033 | return FunctionDecl::Create(C, DC, StartLoc, NameInfo, T, TInfo, SC, |
2034 | isInlineSpecified, hasWrittenPrototype, |
2035 | ConstexprKind, TrailingRequiresClause); |
2036 | } |
2037 | |
2038 | static FunctionDecl *Create(ASTContext &C, DeclContext *DC, |
2039 | SourceLocation StartLoc, |
2040 | const DeclarationNameInfo &NameInfo, QualType T, |
2041 | TypeSourceInfo *TInfo, StorageClass SC, |
2042 | bool isInlineSpecified, bool hasWrittenPrototype, |
2043 | ConstexprSpecKind ConstexprKind, |
2044 | Expr *TrailingRequiresClause); |
2045 | |
2046 | static FunctionDecl *CreateDeserialized(ASTContext &C, unsigned ID); |
2047 | |
2048 | DeclarationNameInfo getNameInfo() const { |
2049 | return DeclarationNameInfo(getDeclName(), getLocation(), DNLoc); |
2050 | } |
2051 | |
2052 | void getNameForDiagnostic(raw_ostream &OS, const PrintingPolicy &Policy, |
2053 | bool Qualified) const override; |
2054 | |
2055 | void setRangeEnd(SourceLocation E) { EndRangeLoc = E; } |
2056 | |
2057 | /// Returns the location of the ellipsis of a variadic function. |
2058 | SourceLocation getEllipsisLoc() const { |
2059 | const auto *FPT = getType()->getAs<FunctionProtoType>(); |
2060 | if (FPT && FPT->isVariadic()) |
2061 | return FPT->getEllipsisLoc(); |
2062 | return SourceLocation(); |
2063 | } |
2064 | |
2065 | SourceRange getSourceRange() const override LLVM_READONLY__attribute__((__pure__)); |
2066 | |
2067 | // Function definitions. |
2068 | // |
2069 | // A function declaration may be: |
2070 | // - a non defining declaration, |
2071 | // - a definition. A function may be defined because: |
2072 | // - it has a body, or will have it in the case of late parsing. |
2073 | // - it has an uninstantiated body. The body does not exist because the |
2074 | // function is not used yet, but the declaration is considered a |
2075 | // definition and does not allow other definition of this function. |
2076 | // - it does not have a user specified body, but it does not allow |
2077 | // redefinition, because it is deleted/defaulted or is defined through |
2078 | // some other mechanism (alias, ifunc). |
2079 | |
2080 | /// Returns true if the function has a body. |
2081 | /// |
2082 | /// The function body might be in any of the (re-)declarations of this |
2083 | /// function. The variant that accepts a FunctionDecl pointer will set that |
2084 | /// function declaration to the actual declaration containing the body (if |
2085 | /// there is one). |
2086 | bool hasBody(const FunctionDecl *&Definition) const; |
2087 | |
2088 | bool hasBody() const override { |
2089 | const FunctionDecl* Definition; |
2090 | return hasBody(Definition); |
2091 | } |
2092 | |
2093 | /// Returns whether the function has a trivial body that does not require any |
2094 | /// specific codegen. |
2095 | bool hasTrivialBody() const; |
2096 | |
2097 | /// Returns true if the function has a definition that does not need to be |
2098 | /// instantiated. |
2099 | /// |
2100 | /// The variant that accepts a FunctionDecl pointer will set that function |
2101 | /// declaration to the declaration that is a definition (if there is one). |
2102 | /// |
2103 | /// \param CheckForPendingFriendDefinition If \c true, also check for friend |
2104 | /// declarations that were instantiataed from function definitions. |
2105 | /// Such a declaration behaves as if it is a definition for the |
2106 | /// purpose of redefinition checking, but isn't actually a "real" |
2107 | /// definition until its body is instantiated. |
2108 | bool isDefined(const FunctionDecl *&Definition, |
2109 | bool CheckForPendingFriendDefinition = false) const; |
2110 | |
2111 | bool isDefined() const { |
2112 | const FunctionDecl* Definition; |
2113 | return isDefined(Definition); |
2114 | } |
2115 | |
2116 | /// Get the definition for this declaration. |
2117 | FunctionDecl *getDefinition() { |
2118 | const FunctionDecl *Definition; |
2119 | if (isDefined(Definition)) |
2120 | return const_cast<FunctionDecl *>(Definition); |
2121 | return nullptr; |
2122 | } |
2123 | const FunctionDecl *getDefinition() const { |
2124 | return const_cast<FunctionDecl *>(this)->getDefinition(); |
2125 | } |
2126 | |
2127 | /// Retrieve the body (definition) of the function. The function body might be |
2128 | /// in any of the (re-)declarations of this function. The variant that accepts |
2129 | /// a FunctionDecl pointer will set that function declaration to the actual |
2130 | /// declaration containing the body (if there is one). |
2131 | /// NOTE: For checking if there is a body, use hasBody() instead, to avoid |
2132 | /// unnecessary AST de-serialization of the body. |
2133 | Stmt *getBody(const FunctionDecl *&Definition) const; |
2134 | |
2135 | Stmt *getBody() const override { |
2136 | const FunctionDecl* Definition; |
2137 | return getBody(Definition); |
2138 | } |
2139 | |
2140 | /// Returns whether this specific declaration of the function is also a |
2141 | /// definition that does not contain uninstantiated body. |
2142 | /// |
2143 | /// This does not determine whether the function has been defined (e.g., in a |
2144 | /// previous definition); for that information, use isDefined. |
2145 | /// |
2146 | /// Note: the function declaration does not become a definition until the |
2147 | /// parser reaches the definition, if called before, this function will return |
2148 | /// `false`. |
2149 | bool isThisDeclarationADefinition() const { |
2150 | return isDeletedAsWritten() || isDefaulted() || |
2151 | doesThisDeclarationHaveABody() || hasSkippedBody() || |
2152 | willHaveBody() || hasDefiningAttr(); |
2153 | } |
2154 | |
2155 | /// Determine whether this specific declaration of the function is a friend |
2156 | /// declaration that was instantiated from a function definition. Such |
2157 | /// declarations behave like definitions in some contexts. |
2158 | bool isThisDeclarationInstantiatedFromAFriendDefinition() const; |
2159 | |
2160 | /// Returns whether this specific declaration of the function has a body. |
2161 | bool doesThisDeclarationHaveABody() const { |
2162 | return (!FunctionDeclBits.HasDefaultedFunctionInfo && Body) || |
2163 | isLateTemplateParsed(); |
2164 | } |
2165 | |
2166 | void setBody(Stmt *B); |
2167 | void setLazyBody(uint64_t Offset) { |
2168 | FunctionDeclBits.HasDefaultedFunctionInfo = false; |
2169 | Body = LazyDeclStmtPtr(Offset); |
2170 | } |
2171 | |
2172 | void setDefaultedFunctionInfo(DefaultedFunctionInfo *Info); |
2173 | DefaultedFunctionInfo *getDefaultedFunctionInfo() const; |
2174 | |
2175 | /// Whether this function is variadic. |
2176 | bool isVariadic() const; |
2177 | |
2178 | /// Whether this function is marked as virtual explicitly. |
2179 | bool isVirtualAsWritten() const { |
2180 | return FunctionDeclBits.IsVirtualAsWritten; |
2181 | } |
2182 | |
2183 | /// State that this function is marked as virtual explicitly. |
2184 | void setVirtualAsWritten(bool V) { FunctionDeclBits.IsVirtualAsWritten = V; } |
2185 | |
2186 | /// Whether this virtual function is pure, i.e. makes the containing class |
2187 | /// abstract. |
2188 | bool isPure() const { return FunctionDeclBits.IsPure; } |
2189 | void setPure(bool P = true); |
2190 | |
2191 | /// Whether this templated function will be late parsed. |
2192 | bool isLateTemplateParsed() const { |
2193 | return FunctionDeclBits.IsLateTemplateParsed; |
2194 | } |
2195 | |
2196 | /// State that this templated function will be late parsed. |
2197 | void setLateTemplateParsed(bool ILT = true) { |
2198 | FunctionDeclBits.IsLateTemplateParsed = ILT; |
2199 | } |
2200 | |
2201 | /// Whether this function is "trivial" in some specialized C++ senses. |
2202 | /// Can only be true for default constructors, copy constructors, |
2203 | /// copy assignment operators, and destructors. Not meaningful until |
2204 | /// the class has been fully built by Sema. |
2205 | bool isTrivial() const { return FunctionDeclBits.IsTrivial; } |
2206 | void setTrivial(bool IT) { FunctionDeclBits.IsTrivial = IT; } |
2207 | |
2208 | bool isTrivialForCall() const { return FunctionDeclBits.IsTrivialForCall; } |
2209 | void setTrivialForCall(bool IT) { FunctionDeclBits.IsTrivialForCall = IT; } |
2210 | |
2211 | /// Whether this function is defaulted. Valid for e.g. |
2212 | /// special member functions, defaulted comparisions (not methods!). |
2213 | bool isDefaulted() const { return FunctionDeclBits.IsDefaulted; } |
2214 | void setDefaulted(bool D = true) { FunctionDeclBits.IsDefaulted = D; } |
2215 | |
2216 | /// Whether this function is explicitly defaulted. |
2217 | bool isExplicitlyDefaulted() const { |
2218 | return FunctionDeclBits.IsExplicitlyDefaulted; |
2219 | } |
2220 | |
2221 | /// State that this function is explicitly defaulted. |
2222 | void setExplicitlyDefaulted(bool ED = true) { |
2223 | FunctionDeclBits.IsExplicitlyDefaulted = ED; |
2224 | } |
2225 | |
2226 | /// True if this method is user-declared and was not |
2227 | /// deleted or defaulted on its first declaration. |
2228 | bool isUserProvided() const { |
2229 | auto *DeclAsWritten = this; |
2230 | if (FunctionDecl *Pattern = getTemplateInstantiationPattern()) |
2231 | DeclAsWritten = Pattern; |
2232 | return !(DeclAsWritten->isDeleted() || |
2233 | DeclAsWritten->getCanonicalDecl()->isDefaulted()); |
2234 | } |
2235 | |
2236 | /// Whether falling off this function implicitly returns null/zero. |
2237 | /// If a more specific implicit return value is required, front-ends |
2238 | /// should synthesize the appropriate return statements. |
2239 | bool hasImplicitReturnZero() const { |
2240 | return FunctionDeclBits.HasImplicitReturnZero; |
2241 | } |
2242 | |
2243 | /// State that falling off this function implicitly returns null/zero. |
2244 | /// If a more specific implicit return value is required, front-ends |
2245 | /// should synthesize the appropriate return statements. |
2246 | void setHasImplicitReturnZero(bool IRZ) { |
2247 | FunctionDeclBits.HasImplicitReturnZero = IRZ; |
2248 | } |
2249 | |
2250 | /// Whether this function has a prototype, either because one |
2251 | /// was explicitly written or because it was "inherited" by merging |
2252 | /// a declaration without a prototype with a declaration that has a |
2253 | /// prototype. |
2254 | bool hasPrototype() const { |
2255 | return hasWrittenPrototype() || hasInheritedPrototype(); |
2256 | } |
2257 | |
2258 | /// Whether this function has a written prototype. |
2259 | bool hasWrittenPrototype() const { |
2260 | return FunctionDeclBits.HasWrittenPrototype; |
2261 | } |
2262 | |
2263 | /// State that this function has a written prototype. |
2264 | void setHasWrittenPrototype(bool P = true) { |
2265 | FunctionDeclBits.HasWrittenPrototype = P; |
2266 | } |
2267 | |
2268 | /// Whether this function inherited its prototype from a |
2269 | /// previous declaration. |
2270 | bool hasInheritedPrototype() const { |
2271 | return FunctionDeclBits.HasInheritedPrototype; |
2272 | } |
2273 | |
2274 | /// State that this function inherited its prototype from a |
2275 | /// previous declaration. |
2276 | void setHasInheritedPrototype(bool P = true) { |
2277 | FunctionDeclBits.HasInheritedPrototype = P; |
2278 | } |
2279 | |
2280 | /// Whether this is a (C++11) constexpr function or constexpr constructor. |
2281 | bool isConstexpr() const { |
2282 | return getConstexprKind() != ConstexprSpecKind::Unspecified; |
2283 | } |
2284 | void setConstexprKind(ConstexprSpecKind CSK) { |
2285 | FunctionDeclBits.ConstexprKind = static_cast<uint64_t>(CSK); |
2286 | } |
2287 | ConstexprSpecKind getConstexprKind() const { |
2288 | return static_cast<ConstexprSpecKind>(FunctionDeclBits.ConstexprKind); |
2289 | } |
2290 | bool isConstexprSpecified() const { |
2291 | return getConstexprKind() == ConstexprSpecKind::Constexpr; |
2292 | } |
2293 | bool isConsteval() const { |
2294 | return getConstexprKind() == ConstexprSpecKind::Consteval; |
2295 | } |
2296 | |
2297 | /// Whether the instantiation of this function is pending. |
2298 | /// This bit is set when the decision to instantiate this function is made |
2299 | /// and unset if and when the function body is created. That leaves out |
2300 | /// cases where instantiation did not happen because the template definition |
2301 | /// was not seen in this TU. This bit remains set in those cases, under the |
2302 | /// assumption that the instantiation will happen in some other TU. |
2303 | bool instantiationIsPending() const { |
2304 | return FunctionDeclBits.InstantiationIsPending; |
2305 | } |
2306 | |
2307 | /// State that the instantiation of this function is pending. |
2308 | /// (see instantiationIsPending) |
2309 | void setInstantiationIsPending(bool IC) { |
2310 | FunctionDeclBits.InstantiationIsPending = IC; |
2311 | } |
2312 | |
2313 | /// Indicates the function uses __try. |
2314 | bool usesSEHTry() const { return FunctionDeclBits.UsesSEHTry; } |
2315 | void setUsesSEHTry(bool UST) { FunctionDeclBits.UsesSEHTry = UST; } |
2316 | |
2317 | /// Whether this function has been deleted. |
2318 | /// |
2319 | /// A function that is "deleted" (via the C++0x "= delete" syntax) |
2320 | /// acts like a normal function, except that it cannot actually be |
2321 | /// called or have its address taken. Deleted functions are |
2322 | /// typically used in C++ overload resolution to attract arguments |
2323 | /// whose type or lvalue/rvalue-ness would permit the use of a |
2324 | /// different overload that would behave incorrectly. For example, |
2325 | /// one might use deleted functions to ban implicit conversion from |
2326 | /// a floating-point number to an Integer type: |
2327 | /// |
2328 | /// @code |
2329 | /// struct Integer { |
2330 | /// Integer(long); // construct from a long |
2331 | /// Integer(double) = delete; // no construction from float or double |
2332 | /// Integer(long double) = delete; // no construction from long double |
2333 | /// }; |
2334 | /// @endcode |
2335 | // If a function is deleted, its first declaration must be. |
2336 | bool isDeleted() const { |
2337 | return getCanonicalDecl()->FunctionDeclBits.IsDeleted; |
2338 | } |
2339 | |
2340 | bool isDeletedAsWritten() const { |
2341 | return FunctionDeclBits.IsDeleted && !isDefaulted(); |
2342 | } |
2343 | |
2344 | void setDeletedAsWritten(bool D = true) { FunctionDeclBits.IsDeleted = D; } |
2345 | |
2346 | /// Determines whether this function is "main", which is the |
2347 | /// entry point into an executable program. |
2348 | bool isMain() const; |
2349 | |
2350 | /// Determines whether this function is a MSVCRT user defined entry |
2351 | /// point. |
2352 | bool isMSVCRTEntryPoint() const; |
2353 | |
2354 | /// Determines whether this operator new or delete is one |
2355 | /// of the reserved global placement operators: |
2356 | /// void *operator new(size_t, void *); |
2357 | /// void *operator new[](size_t, void *); |
2358 | /// void operator delete(void *, void *); |
2359 | /// void operator delete[](void *, void *); |
2360 | /// These functions have special behavior under [new.delete.placement]: |
2361 | /// These functions are reserved, a C++ program may not define |
2362 | /// functions that displace the versions in the Standard C++ library. |
2363 | /// The provisions of [basic.stc.dynamic] do not apply to these |
2364 | /// reserved placement forms of operator new and operator delete. |
2365 | /// |
2366 | /// This function must be an allocation or deallocation function. |
2367 | bool isReservedGlobalPlacementOperator() const; |
2368 | |
2369 | /// Determines whether this function is one of the replaceable |
2370 | /// global allocation functions: |
2371 | /// void *operator new(size_t); |
2372 | /// void *operator new(size_t, const std::nothrow_t &) noexcept; |
2373 | /// void *operator new[](size_t); |
2374 | /// void *operator new[](size_t, const std::nothrow_t &) noexcept; |
2375 | /// void operator delete(void *) noexcept; |
2376 | /// void operator delete(void *, std::size_t) noexcept; [C++1y] |
2377 | /// void operator delete(void *, const std::nothrow_t &) noexcept; |
2378 | /// void operator delete[](void *) noexcept; |
2379 | /// void operator delete[](void *, std::size_t) noexcept; [C++1y] |
2380 | /// void operator delete[](void *, const std::nothrow_t &) noexcept; |
2381 | /// These functions have special behavior under C++1y [expr.new]: |
2382 | /// An implementation is allowed to omit a call to a replaceable global |
2383 | /// allocation function. [...] |
2384 | /// |
2385 | /// If this function is an aligned allocation/deallocation function, return |
2386 | /// the parameter number of the requested alignment through AlignmentParam. |
2387 | /// |
2388 | /// If this function is an allocation/deallocation function that takes |
2389 | /// the `std::nothrow_t` tag, return true through IsNothrow, |
2390 | bool isReplaceableGlobalAllocationFunction( |
2391 | Optional<unsigned> *AlignmentParam = nullptr, |
2392 | bool *IsNothrow = nullptr) const; |
2393 | |
2394 | /// Determine if this function provides an inline implementation of a builtin. |
2395 | bool isInlineBuiltinDeclaration() const; |
2396 | |
2397 | /// Determine whether this is a destroying operator delete. |
2398 | bool isDestroyingOperatorDelete() const; |
2399 | |
2400 | /// Compute the language linkage. |
2401 | LanguageLinkage getLanguageLinkage() const; |
2402 | |
2403 | /// Determines whether this function is a function with |
2404 | /// external, C linkage. |
2405 | bool isExternC() const; |
2406 | |
2407 | /// Determines whether this function's context is, or is nested within, |
2408 | /// a C++ extern "C" linkage spec. |
2409 | bool isInExternCContext() const; |
2410 | |
2411 | /// Determines whether this function's context is, or is nested within, |
2412 | /// a C++ extern "C++" linkage spec. |
2413 | bool isInExternCXXContext() const; |
2414 | |
2415 | /// Determines whether this is a global function. |
2416 | bool isGlobal() const; |
2417 | |
2418 | /// Determines whether this function is known to be 'noreturn', through |
2419 | /// an attribute on its declaration or its type. |
2420 | bool isNoReturn() const; |
2421 | |
2422 | /// True if the function was a definition but its body was skipped. |
2423 | bool hasSkippedBody() const { return FunctionDeclBits.HasSkippedBody; } |
2424 | void setHasSkippedBody(bool Skipped = true) { |
2425 | FunctionDeclBits.HasSkippedBody = Skipped; |
2426 | } |
2427 | |
2428 | /// True if this function will eventually have a body, once it's fully parsed. |
2429 | bool willHaveBody() const { return FunctionDeclBits.WillHaveBody; } |
2430 | void setWillHaveBody(bool V = true) { FunctionDeclBits.WillHaveBody = V; } |
2431 | |
2432 | /// True if this function is considered a multiversioned function. |
2433 | bool isMultiVersion() const { |
2434 | return getCanonicalDecl()->FunctionDeclBits.IsMultiVersion; |
2435 | } |
2436 | |
2437 | /// Sets the multiversion state for this declaration and all of its |
2438 | /// redeclarations. |
2439 | void setIsMultiVersion(bool V = true) { |
2440 | getCanonicalDecl()->FunctionDeclBits.IsMultiVersion = V; |
2441 | } |
2442 | |
2443 | /// Gets the kind of multiversioning attribute this declaration has. Note that |
2444 | /// this can return a value even if the function is not multiversion, such as |
2445 | /// the case of 'target'. |
2446 | MultiVersionKind getMultiVersionKind() const; |
2447 | |
2448 | |
2449 | /// True if this function is a multiversioned dispatch function as a part of |
2450 | /// the cpu_specific/cpu_dispatch functionality. |
2451 | bool isCPUDispatchMultiVersion() const; |
2452 | /// True if this function is a multiversioned processor specific function as a |
2453 | /// part of the cpu_specific/cpu_dispatch functionality. |
2454 | bool isCPUSpecificMultiVersion() const; |
2455 | |
2456 | /// True if this function is a multiversioned dispatch function as a part of |
2457 | /// the target functionality. |
2458 | bool isTargetMultiVersion() const; |
2459 | |
2460 | /// \brief Get the associated-constraints of this function declaration. |
2461 | /// Currently, this will either be a vector of size 1 containing the |
2462 | /// trailing-requires-clause or an empty vector. |
2463 | /// |
2464 | /// Use this instead of getTrailingRequiresClause for concepts APIs that |
2465 | /// accept an ArrayRef of constraint expressions. |
2466 | void getAssociatedConstraints(SmallVectorImpl<const Expr *> &AC) const { |
2467 | if (auto *TRC = getTrailingRequiresClause()) |
2468 | AC.push_back(TRC); |
2469 | } |
2470 | |
2471 | void setPreviousDeclaration(FunctionDecl * PrevDecl); |
2472 | |
2473 | FunctionDecl *getCanonicalDecl() override; |
2474 | const FunctionDecl *getCanonicalDecl() const { |
2475 | return const_cast<FunctionDecl*>(this)->getCanonicalDecl(); |
2476 | } |
2477 | |
2478 | unsigned getBuiltinID(bool ConsiderWrapperFunctions = false) const; |
2479 | |
2480 | // ArrayRef interface to parameters. |
2481 | ArrayRef<ParmVarDecl *> parameters() const { |
2482 | return {ParamInfo, getNumParams()}; |
2483 | } |
2484 | MutableArrayRef<ParmVarDecl *> parameters() { |
2485 | return {ParamInfo, getNumParams()}; |
2486 | } |
2487 | |
2488 | // Iterator access to formal parameters. |
2489 | using param_iterator = MutableArrayRef<ParmVarDecl *>::iterator; |
2490 | using param_const_iterator = ArrayRef<ParmVarDecl *>::const_iterator; |
2491 | |
2492 | bool param_empty() const { return parameters().empty(); } |
2493 | param_iterator param_begin() { return parameters().begin(); } |
2494 | param_iterator param_end() { return parameters().end(); } |
2495 | param_const_iterator param_begin() const { return parameters().begin(); } |
2496 | param_const_iterator param_end() const { return parameters().end(); } |
2497 | size_t param_size() const { return parameters().size(); } |
2498 | |
2499 | /// Return the number of parameters this function must have based on its |
2500 | /// FunctionType. This is the length of the ParamInfo array after it has been |
2501 | /// created. |
2502 | unsigned getNumParams() const; |
2503 | |
2504 | const ParmVarDecl *getParamDecl(unsigned i) const { |
2505 | assert(i < getNumParams() && "Illegal param #")((void)0); |
2506 | return ParamInfo[i]; |
2507 | } |
2508 | ParmVarDecl *getParamDecl(unsigned i) { |
2509 | assert(i < getNumParams() && "Illegal param #")((void)0); |
2510 | return ParamInfo[i]; |
2511 | } |
2512 | void setParams(ArrayRef<ParmVarDecl *> NewParamInfo) { |
2513 | setParams(getASTContext(), NewParamInfo); |
2514 | } |
2515 | |
2516 | /// Returns the minimum number of arguments needed to call this function. This |
2517 | /// may be fewer than the number of function parameters, if some of the |
2518 | /// parameters have default arguments (in C++). |
2519 | unsigned getMinRequiredArguments() const; |
2520 | |
2521 | /// Determine whether this function has a single parameter, or multiple |
2522 | /// parameters where all but the first have default arguments. |
2523 | /// |
2524 | /// This notion is used in the definition of copy/move constructors and |
2525 | /// initializer list constructors. Note that, unlike getMinRequiredArguments, |
2526 | /// parameter packs are not treated specially here. |
2527 | bool hasOneParamOrDefaultArgs() const; |
2528 | |
2529 | /// Find the source location information for how the type of this function |
2530 | /// was written. May be absent (for example if the function was declared via |
2531 | /// a typedef) and may contain a different type from that of the function |
2532 | /// (for example if the function type was adjusted by an attribute). |
2533 | FunctionTypeLoc getFunctionTypeLoc() const; |
2534 | |
2535 | QualType getReturnType() const { |
2536 | return getType()->castAs<FunctionType>()->getReturnType(); |
2537 | } |
2538 | |
2539 | /// Attempt to compute an informative source range covering the |
2540 | /// function return type. This may omit qualifiers and other information with |
2541 | /// limited representation in the AST. |
2542 | SourceRange getReturnTypeSourceRange() const; |
2543 | |
2544 | /// Attempt to compute an informative source range covering the |
2545 | /// function parameters, including the ellipsis of a variadic function. |
2546 | /// The source range excludes the parentheses, and is invalid if there are |
2547 | /// no parameters and no ellipsis. |
2548 | SourceRange getParametersSourceRange() const; |
2549 | |
2550 | /// Get the declared return type, which may differ from the actual return |
2551 | /// type if the return type is deduced. |
2552 | QualType getDeclaredReturnType() const { |
2553 | auto *TSI = getTypeSourceInfo(); |
2554 | QualType T = TSI ? TSI->getType() : getType(); |
2555 | return T->castAs<FunctionType>()->getReturnType(); |
2556 | } |
2557 | |
2558 | /// Gets the ExceptionSpecificationType as declared. |
2559 | ExceptionSpecificationType getExceptionSpecType() const { |
2560 | auto *TSI = getTypeSourceInfo(); |
2561 | QualType T = TSI ? TSI->getType() : getType(); |
2562 | const auto *FPT = T->getAs<FunctionProtoType>(); |
2563 | return FPT ? FPT->getExceptionSpecType() : EST_None; |
2564 | } |
2565 | |
2566 | /// Attempt to compute an informative source range covering the |
2567 | /// function exception specification, if any. |
2568 | SourceRange getExceptionSpecSourceRange() const; |
2569 | |
2570 | /// Determine the type of an expression that calls this function. |
2571 | QualType getCallResultType() const { |
2572 | return getType()->castAs<FunctionType>()->getCallResultType( |
2573 | getASTContext()); |
2574 | } |
2575 | |
2576 | /// Returns the storage class as written in the source. For the |
2577 | /// computed linkage of symbol, see getLinkage. |
2578 | StorageClass getStorageClass() const { |
2579 | return static_cast<StorageClass>(FunctionDeclBits.SClass); |
2580 | } |
2581 | |
2582 | /// Sets the storage class as written in the source. |
2583 | void setStorageClass(StorageClass SClass) { |
2584 | FunctionDeclBits.SClass = SClass; |
2585 | } |
2586 | |
2587 | /// Determine whether the "inline" keyword was specified for this |
2588 | /// function. |
2589 | bool isInlineSpecified() const { return FunctionDeclBits.IsInlineSpecified; } |
2590 | |
2591 | /// Set whether the "inline" keyword was specified for this function. |
2592 | void setInlineSpecified(bool I) { |
2593 | FunctionDeclBits.IsInlineSpecified = I; |
2594 | FunctionDeclBits.IsInline = I; |
2595 | } |
2596 | |
2597 | /// Flag that this function is implicitly inline. |
2598 | void setImplicitlyInline(bool I = true) { FunctionDeclBits.IsInline = I; } |
2599 | |
2600 | /// Determine whether this function should be inlined, because it is |
2601 | /// either marked "inline" or "constexpr" or is a member function of a class |
2602 | /// that was defined in the class body. |
2603 | bool isInlined() const { return FunctionDeclBits.IsInline; } |
2604 | |
2605 | bool isInlineDefinitionExternallyVisible() const; |
2606 | |
2607 | bool isMSExternInline() const; |
2608 | |
2609 | bool doesDeclarationForceExternallyVisibleDefinition() const; |
2610 | |
2611 | bool isStatic() const { return getStorageClass() == SC_Static; } |
2612 | |
2613 | /// Whether this function declaration represents an C++ overloaded |
2614 | /// operator, e.g., "operator+". |
2615 | bool isOverloadedOperator() const { |
2616 | return getOverloadedOperator() != OO_None; |
2617 | } |
2618 | |
2619 | OverloadedOperatorKind getOverloadedOperator() const; |
2620 | |
2621 | const IdentifierInfo *getLiteralIdentifier() const; |
2622 | |
2623 | /// If this function is an instantiation of a member function |
2624 | /// of a class template specialization, retrieves the function from |
2625 | /// which it was instantiated. |
2626 | /// |
2627 | /// This routine will return non-NULL for (non-templated) member |
2628 | /// functions of class templates and for instantiations of function |
2629 | /// templates. For example, given: |
2630 | /// |
2631 | /// \code |
2632 | /// template<typename T> |
2633 | /// struct X { |
2634 | /// void f(T); |
2635 | /// }; |
2636 | /// \endcode |
2637 | /// |
2638 | /// The declaration for X<int>::f is a (non-templated) FunctionDecl |
2639 | /// whose parent is the class template specialization X<int>. For |
2640 | /// this declaration, getInstantiatedFromFunction() will return |
2641 | /// the FunctionDecl X<T>::A. When a complete definition of |
2642 | /// X<int>::A is required, it will be instantiated from the |
2643 | /// declaration returned by getInstantiatedFromMemberFunction(). |
2644 | FunctionDecl *getInstantiatedFromMemberFunction() const; |
2645 | |
2646 | /// What kind of templated function this is. |
2647 | TemplatedKind getTemplatedKind() const; |
2648 | |
2649 | /// If this function is an instantiation of a member function of a |
2650 | /// class template specialization, retrieves the member specialization |
2651 | /// information. |
2652 | MemberSpecializationInfo *getMemberSpecializationInfo() const; |
2653 | |
2654 | /// Specify that this record is an instantiation of the |
2655 | /// member function FD. |
2656 | void setInstantiationOfMemberFunction(FunctionDecl *FD, |
2657 | TemplateSpecializationKind TSK) { |
2658 | setInstantiationOfMemberFunction(getASTContext(), FD, TSK); |
2659 | } |
2660 | |
2661 | /// Retrieves the function template that is described by this |
2662 | /// function declaration. |
2663 | /// |
2664 | /// Every function template is represented as a FunctionTemplateDecl |
2665 | /// and a FunctionDecl (or something derived from FunctionDecl). The |
2666 | /// former contains template properties (such as the template |
2667 | /// parameter lists) while the latter contains the actual |
2668 | /// description of the template's |
2669 | /// contents. FunctionTemplateDecl::getTemplatedDecl() retrieves the |
2670 | /// FunctionDecl that describes the function template, |
2671 | /// getDescribedFunctionTemplate() retrieves the |
2672 | /// FunctionTemplateDecl from a FunctionDecl. |
2673 | FunctionTemplateDecl *getDescribedFunctionTemplate() const; |
2674 | |
2675 | void setDescribedFunctionTemplate(FunctionTemplateDecl *Template); |
2676 | |
2677 | /// Determine whether this function is a function template |
2678 | /// specialization. |
2679 | bool isFunctionTemplateSpecialization() const { |
2680 | return getPrimaryTemplate() != nullptr; |
2681 | } |
2682 | |
2683 | /// If this function is actually a function template specialization, |
2684 | /// retrieve information about this function template specialization. |
2685 | /// Otherwise, returns NULL. |
2686 | FunctionTemplateSpecializationInfo *getTemplateSpecializationInfo() const; |
2687 | |
2688 | /// Determines whether this function is a function template |
2689 | /// specialization or a member of a class template specialization that can |
2690 | /// be implicitly instantiated. |
2691 | bool isImplicitlyInstantiable() const; |
2692 | |
2693 | /// Determines if the given function was instantiated from a |
2694 | /// function template. |
2695 | bool isTemplateInstantiation() const; |
2696 | |
2697 | /// Retrieve the function declaration from which this function could |
2698 | /// be instantiated, if it is an instantiation (rather than a non-template |
2699 | /// or a specialization, for example). |
2700 | /// |
2701 | /// If \p ForDefinition is \c false, explicit specializations will be treated |
2702 | /// as if they were implicit instantiations. This will then find the pattern |
2703 | /// corresponding to non-definition portions of the declaration, such as |
2704 | /// default arguments and the exception specification. |
2705 | FunctionDecl * |
2706 | getTemplateInstantiationPattern(bool ForDefinition = true) const; |
2707 | |
2708 | /// Retrieve the primary template that this function template |
2709 | /// specialization either specializes or was instantiated from. |
2710 | /// |
2711 | /// If this function declaration is not a function template specialization, |
2712 | /// returns NULL. |
2713 | FunctionTemplateDecl *getPrimaryTemplate() const; |
2714 | |
2715 | /// Retrieve the template arguments used to produce this function |
2716 | /// template specialization from the primary template. |
2717 | /// |
2718 | /// If this function declaration is not a function template specialization, |
2719 | /// returns NULL. |
2720 | const TemplateArgumentList *getTemplateSpecializationArgs() const; |
2721 | |
2722 | /// Retrieve the template argument list as written in the sources, |
2723 | /// if any. |
2724 | /// |
2725 | /// If this function declaration is not a function template specialization |
2726 | /// or if it had no explicit template argument list, returns NULL. |
2727 | /// Note that it an explicit template argument list may be written empty, |
2728 | /// e.g., template<> void foo<>(char* s); |
2729 | const ASTTemplateArgumentListInfo* |
2730 | getTemplateSpecializationArgsAsWritten() const; |
2731 | |
2732 | /// Specify that this function declaration is actually a function |
2733 | /// template specialization. |
2734 | /// |
2735 | /// \param Template the function template that this function template |
2736 | /// specialization specializes. |
2737 | /// |
2738 | /// \param TemplateArgs the template arguments that produced this |
2739 | /// function template specialization from the template. |
2740 | /// |
2741 | /// \param InsertPos If non-NULL, the position in the function template |
2742 | /// specialization set where the function template specialization data will |
2743 | /// be inserted. |
2744 | /// |
2745 | /// \param TSK the kind of template specialization this is. |
2746 | /// |
2747 | /// \param TemplateArgsAsWritten location info of template arguments. |
2748 | /// |
2749 | /// \param PointOfInstantiation point at which the function template |
2750 | /// specialization was first instantiated. |
2751 | void setFunctionTemplateSpecialization(FunctionTemplateDecl *Template, |
2752 | const TemplateArgumentList *TemplateArgs, |
2753 | void *InsertPos, |
2754 | TemplateSpecializationKind TSK = TSK_ImplicitInstantiation, |
2755 | const TemplateArgumentListInfo *TemplateArgsAsWritten = nullptr, |
2756 | SourceLocation PointOfInstantiation = SourceLocation()) { |
2757 | setFunctionTemplateSpecialization(getASTContext(), Template, TemplateArgs, |
2758 | InsertPos, TSK, TemplateArgsAsWritten, |
2759 | PointOfInstantiation); |
2760 | } |
2761 | |
2762 | /// Specifies that this function declaration is actually a |
2763 | /// dependent function template specialization. |
2764 | void setDependentTemplateSpecialization(ASTContext &Context, |
2765 | const UnresolvedSetImpl &Templates, |
2766 | const TemplateArgumentListInfo &TemplateArgs); |
2767 | |
2768 | DependentFunctionTemplateSpecializationInfo * |
2769 | getDependentSpecializationInfo() const; |
2770 | |
2771 | /// Determine what kind of template instantiation this function |
2772 | /// represents. |
2773 | TemplateSpecializationKind getTemplateSpecializationKind() const; |
2774 | |
2775 | /// Determine the kind of template specialization this function represents |
2776 | /// for the purpose of template instantiation. |
2777 | TemplateSpecializationKind |
2778 | getTemplateSpecializationKindForInstantiation() const; |
2779 | |
2780 | /// Determine what kind of template instantiation this function |
2781 | /// represents. |
2782 | void setTemplateSpecializationKind(TemplateSpecializationKind TSK, |
2783 | SourceLocation PointOfInstantiation = SourceLocation()); |
2784 | |
2785 | /// Retrieve the (first) point of instantiation of a function template |
2786 | /// specialization or a member of a class template specialization. |
2787 | /// |
2788 | /// \returns the first point of instantiation, if this function was |
2789 | /// instantiated from a template; otherwise, returns an invalid source |
2790 | /// location. |
2791 | SourceLocation getPointOfInstantiation() const; |
2792 | |
2793 | /// Determine whether this is or was instantiated from an out-of-line |
2794 | /// definition of a member function. |
2795 | bool isOutOfLine() const override; |
2796 | |
2797 | /// Identify a memory copying or setting function. |
2798 | /// If the given function is a memory copy or setting function, returns |
2799 | /// the corresponding Builtin ID. If the function is not a memory function, |
2800 | /// returns 0. |
2801 | unsigned getMemoryFunctionKind() const; |
2802 | |
2803 | /// Returns ODRHash of the function. This value is calculated and |
2804 | /// stored on first call, then the stored value returned on the other calls. |
2805 | unsigned getODRHash(); |
2806 | |
2807 | /// Returns cached ODRHash of the function. This must have been previously |
2808 | /// computed and stored. |
2809 | unsigned getODRHash() const; |
2810 | |
2811 | // Implement isa/cast/dyncast/etc. |
2812 | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
2813 | static bool classofKind(Kind K) { |
2814 | return K >= firstFunction && K <= lastFunction; |
2815 | } |
2816 | static DeclContext *castToDeclContext(const FunctionDecl *D) { |
2817 | return static_cast<DeclContext *>(const_cast<FunctionDecl*>(D)); |
2818 | } |
2819 | static FunctionDecl *castFromDeclContext(const DeclContext *DC) { |
2820 | return static_cast<FunctionDecl *>(const_cast<DeclContext*>(DC)); |
2821 | } |
2822 | }; |
2823 | |
2824 | /// Represents a member of a struct/union/class. |
2825 | class FieldDecl : public DeclaratorDecl, public Mergeable<FieldDecl> { |
2826 | unsigned BitField : 1; |
2827 | unsigned Mutable : 1; |
2828 | mutable unsigned CachedFieldIndex : 30; |
2829 | |
2830 | /// The kinds of value we can store in InitializerOrBitWidth. |
2831 | /// |
2832 | /// Note that this is compatible with InClassInitStyle except for |
2833 | /// ISK_CapturedVLAType. |
2834 | enum InitStorageKind { |
2835 | /// If the pointer is null, there's nothing special. Otherwise, |
2836 | /// this is a bitfield and the pointer is the Expr* storing the |
2837 | /// bit-width. |
2838 | ISK_NoInit = (unsigned) ICIS_NoInit, |
2839 | |
2840 | /// The pointer is an (optional due to delayed parsing) Expr* |
2841 | /// holding the copy-initializer. |
2842 | ISK_InClassCopyInit = (unsigned) ICIS_CopyInit, |
2843 | |
2844 | /// The pointer is an (optional due to delayed parsing) Expr* |
2845 | /// holding the list-initializer. |
2846 | ISK_InClassListInit = (unsigned) ICIS_ListInit, |
2847 | |
2848 | /// The pointer is a VariableArrayType* that's been captured; |
2849 | /// the enclosing context is a lambda or captured statement. |
2850 | ISK_CapturedVLAType, |
2851 | }; |
2852 | |
2853 | /// If this is a bitfield with a default member initializer, this |
2854 | /// structure is used to represent the two expressions. |
2855 | struct InitAndBitWidth { |
2856 | Expr *Init; |
2857 | Expr *BitWidth; |
2858 | }; |
2859 | |
2860 | /// Storage for either the bit-width, the in-class initializer, or |
2861 | /// both (via InitAndBitWidth), or the captured variable length array bound. |
2862 | /// |
2863 | /// If the storage kind is ISK_InClassCopyInit or |
2864 | /// ISK_InClassListInit, but the initializer is null, then this |
2865 | /// field has an in-class initializer that has not yet been parsed |
2866 | /// and attached. |
2867 | // FIXME: Tail-allocate this to reduce the size of FieldDecl in the |
2868 | // overwhelmingly common case that we have none of these things. |
2869 | llvm::PointerIntPair<void *, 2, InitStorageKind> InitStorage; |
2870 | |
2871 | protected: |
2872 | FieldDecl(Kind DK, DeclContext *DC, SourceLocation StartLoc, |
2873 | SourceLocation IdLoc, IdentifierInfo *Id, |
2874 | QualType T, TypeSourceInfo *TInfo, Expr *BW, bool Mutable, |
2875 | InClassInitStyle InitStyle) |
2876 | : DeclaratorDecl(DK, DC, IdLoc, Id, T, TInfo, StartLoc), |
2877 | BitField(false), Mutable(Mutable), CachedFieldIndex(0), |
2878 | InitStorage(nullptr, (InitStorageKind) InitStyle) { |
2879 | if (BW) |
2880 | setBitWidth(BW); |
2881 | } |
2882 | |
2883 | public: |
2884 | friend class ASTDeclReader; |
2885 | friend class ASTDeclWriter; |
2886 | |
2887 | static FieldDecl *Create(const ASTContext &C, DeclContext *DC, |
2888 | SourceLocation StartLoc, SourceLocation IdLoc, |
2889 | IdentifierInfo *Id, QualType T, |
2890 | TypeSourceInfo *TInfo, Expr *BW, bool Mutable, |
2891 | InClassInitStyle InitStyle); |
2892 | |
2893 | static FieldDecl *CreateDeserialized(ASTContext &C, unsigned ID); |
2894 | |
2895 | /// Returns the index of this field within its record, |
2896 | /// as appropriate for passing to ASTRecordLayout::getFieldOffset. |
2897 | unsigned getFieldIndex() const; |
2898 | |
2899 | /// Determines whether this field is mutable (C++ only). |
2900 | bool isMutable() const { return Mutable; } |
2901 | |
2902 | /// Determines whether this field is a bitfield. |
2903 | bool isBitField() const { return BitField; } |
2904 | |
2905 | /// Determines whether this is an unnamed bitfield. |
2906 | bool isUnnamedBitfield() const { return isBitField() && !getDeclName(); } |
2907 | |
2908 | /// Determines whether this field is a |
2909 | /// representative for an anonymous struct or union. Such fields are |
2910 | /// unnamed and are implicitly generated by the implementation to |
2911 | /// store the data for the anonymous union or struct. |
2912 | bool isAnonymousStructOrUnion() const; |
2913 | |
2914 | Expr *getBitWidth() const { |
2915 | if (!BitField) |
2916 | return nullptr; |
2917 | void *Ptr = InitStorage.getPointer(); |
2918 | if (getInClassInitStyle()) |
2919 | return static_cast<InitAndBitWidth*>(Ptr)->BitWidth; |
2920 | return static_cast<Expr*>(Ptr); |
2921 | } |
2922 | |
2923 | unsigned getBitWidthValue(const ASTContext &Ctx) const; |
2924 | |
2925 | /// Set the bit-field width for this member. |
2926 | // Note: used by some clients (i.e., do not remove it). |
2927 | void setBitWidth(Expr *Width) { |
2928 | assert(!hasCapturedVLAType() && !BitField &&((void)0) |
2929 | "bit width or captured type already set")((void)0); |
2930 | assert(Width && "no bit width specified")((void)0); |
2931 | InitStorage.setPointer( |
2932 | InitStorage.getInt() |
2933 | ? new (getASTContext()) |
2934 | InitAndBitWidth{getInClassInitializer(), Width} |
2935 | : static_cast<void*>(Width)); |
2936 | BitField = true; |
2937 | } |
2938 | |
2939 | /// Remove the bit-field width from this member. |
2940 | // Note: used by some clients (i.e., do not remove it). |
2941 | void removeBitWidth() { |
2942 | assert(isBitField() && "no bitfield width to remove")((void)0); |
2943 | InitStorage.setPointer(getInClassInitializer()); |
2944 | BitField = false; |
2945 | } |
2946 | |
2947 | /// Is this a zero-length bit-field? Such bit-fields aren't really bit-fields |
2948 | /// at all and instead act as a separator between contiguous runs of other |
2949 | /// bit-fields. |
2950 | bool isZeroLengthBitField(const ASTContext &Ctx) const; |
2951 | |
2952 | /// Determine if this field is a subobject of zero size, that is, either a |
2953 | /// zero-length bit-field or a field of empty class type with the |
2954 | /// [[no_unique_address]] attribute. |
2955 | bool isZeroSize(const ASTContext &Ctx) const; |
2956 | |
2957 | /// Get the kind of (C++11) default member initializer that this field has. |
2958 | InClassInitStyle getInClassInitStyle() const { |
2959 | InitStorageKind storageKind = InitStorage.getInt(); |
2960 | return (storageKind == ISK_CapturedVLAType |
2961 | ? ICIS_NoInit : (InClassInitStyle) storageKind); |
2962 | } |
2963 | |
2964 | /// Determine whether this member has a C++11 default member initializer. |
2965 | bool hasInClassInitializer() const { |
2966 | return getInClassInitStyle() != ICIS_NoInit; |
2967 | } |
2968 | |
2969 | /// Get the C++11 default member initializer for this member, or null if one |
2970 | /// has not been set. If a valid declaration has a default member initializer, |
2971 | /// but this returns null, then we have not parsed and attached it yet. |
2972 | Expr *getInClassInitializer() const { |
2973 | if (!hasInClassInitializer()) |
2974 | return nullptr; |
2975 | void *Ptr = InitStorage.getPointer(); |
2976 | if (BitField) |
2977 | return static_cast<InitAndBitWidth*>(Ptr)->Init; |
2978 | return static_cast<Expr*>(Ptr); |
2979 | } |
2980 | |
2981 | /// Set the C++11 in-class initializer for this member. |
2982 | void setInClassInitializer(Expr *Init) { |
2983 | assert(hasInClassInitializer() && !getInClassInitializer())((void)0); |
2984 | if (BitField) |
2985 | static_cast<InitAndBitWidth*>(InitStorage.getPointer())->Init = Init; |
2986 | else |
2987 | InitStorage.setPointer(Init); |
2988 | } |
2989 | |
2990 | /// Remove the C++11 in-class initializer from this member. |
2991 | void removeInClassInitializer() { |
2992 | assert(hasInClassInitializer() && "no initializer to remove")((void)0); |
2993 | InitStorage.setPointerAndInt(getBitWidth(), ISK_NoInit); |
2994 | } |
2995 | |
2996 | /// Determine whether this member captures the variable length array |
2997 | /// type. |
2998 | bool hasCapturedVLAType() const { |
2999 | return InitStorage.getInt() == ISK_CapturedVLAType; |
3000 | } |
3001 | |
3002 | /// Get the captured variable length array type. |
3003 | const VariableArrayType *getCapturedVLAType() const { |
3004 | return hasCapturedVLAType() ? static_cast<const VariableArrayType *>( |
3005 | InitStorage.getPointer()) |
3006 | : nullptr; |
3007 | } |
3008 | |
3009 | /// Set the captured variable length array type for this field. |
3010 | void setCapturedVLAType(const VariableArrayType *VLAType); |
3011 | |
3012 | /// Returns the parent of this field declaration, which |
3013 | /// is the struct in which this field is defined. |
3014 | /// |
3015 | /// Returns null if this is not a normal class/struct field declaration, e.g. |
3016 | /// ObjCAtDefsFieldDecl, ObjCIvarDecl. |
3017 | const RecordDecl *getParent() const { |
3018 | return dyn_cast<RecordDecl>(getDeclContext()); |
3019 | } |
3020 | |
3021 | RecordDecl *getParent() { |
3022 | return dyn_cast<RecordDecl>(getDeclContext()); |
3023 | } |
3024 | |
3025 | SourceRange getSourceRange() const override LLVM_READONLY__attribute__((__pure__)); |
3026 | |
3027 | /// Retrieves the canonical declaration of this field. |
3028 | FieldDecl *getCanonicalDecl() override { return getFirstDecl(); } |
3029 | const FieldDecl *getCanonicalDecl() const { return getFirstDecl(); } |
3030 | |
3031 | // Implement isa/cast/dyncast/etc. |
3032 | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
3033 | static bool classofKind(Kind K) { return K >= firstField && K <= lastField; } |
3034 | }; |
3035 | |
3036 | /// An instance of this object exists for each enum constant |
3037 | /// that is defined. For example, in "enum X {a,b}", each of a/b are |
3038 | /// EnumConstantDecl's, X is an instance of EnumDecl, and the type of a/b is a |
3039 | /// TagType for the X EnumDecl. |
3040 | class EnumConstantDecl : public ValueDecl, public Mergeable<EnumConstantDecl> { |
3041 | Stmt *Init; // an integer constant expression |
3042 | llvm::APSInt Val; // The value. |
3043 | |
3044 | protected: |
3045 | EnumConstantDecl(DeclContext *DC, SourceLocation L, |
3046 | IdentifierInfo *Id, QualType T, Expr *E, |
3047 | const llvm::APSInt &V) |
3048 | : ValueDecl(EnumConstant, DC, L, Id, T), Init((Stmt*)E), Val(V) {} |
3049 | |
3050 | public: |
3051 | friend class StmtIteratorBase; |
3052 | |
3053 | static EnumConstantDecl *Create(ASTContext &C, EnumDecl *DC, |
3054 | SourceLocation L, IdentifierInfo *Id, |
3055 | QualType T, Expr *E, |
3056 | const llvm::APSInt &V); |
3057 | static EnumConstantDecl *CreateDeserialized(ASTContext &C, unsigned ID); |
3058 | |
3059 | const Expr *getInitExpr() const { return (const Expr*) Init; } |
3060 | Expr *getInitExpr() { return (Expr*) Init; } |
3061 | const llvm::APSInt &getInitVal() const { return Val; } |
3062 | |
3063 | void setInitExpr(Expr *E) { Init = (Stmt*) E; } |
3064 | void setInitVal(const llvm::APSInt &V) { Val = V; } |
3065 | |
3066 | SourceRange getSourceRange() const override LLVM_READONLY__attribute__((__pure__)); |
3067 | |
3068 | /// Retrieves the canonical declaration of this enumerator. |
3069 | EnumConstantDecl *getCanonicalDecl() override { return getFirstDecl(); } |
3070 | const EnumConstantDecl *getCanonicalDecl() const { return getFirstDecl(); } |
3071 | |
3072 | // Implement isa/cast/dyncast/etc. |
3073 | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
3074 | static bool classofKind(Kind K) { return K == EnumConstant; } |
3075 | }; |
3076 | |
3077 | /// Represents a field injected from an anonymous union/struct into the parent |
3078 | /// scope. These are always implicit. |
3079 | class IndirectFieldDecl : public ValueDecl, |
3080 | public Mergeable<IndirectFieldDecl> { |
3081 | NamedDecl **Chaining; |
3082 | unsigned ChainingSize; |
3083 | |
3084 | IndirectFieldDecl(ASTContext &C, DeclContext *DC, SourceLocation L, |
3085 | DeclarationName N, QualType T, |
3086 | MutableArrayRef<NamedDecl *> CH); |
3087 | |
3088 | void anchor() override; |
3089 | |
3090 | public: |
3091 | friend class ASTDeclReader; |
3092 | |
3093 | static IndirectFieldDecl *Create(ASTContext &C, DeclContext *DC, |
3094 | SourceLocation L, IdentifierInfo *Id, |
3095 | QualType T, llvm::MutableArrayRef<NamedDecl *> CH); |
3096 | |
3097 | static IndirectFieldDecl *CreateDeserialized(ASTContext &C, unsigned ID); |
3098 | |
3099 | using chain_iterator = ArrayRef<NamedDecl *>::const_iterator; |
3100 | |
3101 | ArrayRef<NamedDecl *> chain() const { |
3102 | return llvm::makeArrayRef(Chaining, ChainingSize); |
3103 | } |
3104 | chain_iterator chain_begin() const { return chain().begin(); } |
3105 | chain_iterator chain_end() const { return chain().end(); } |
3106 | |
3107 | unsigned getChainingSize() const { return ChainingSize; } |
3108 | |
3109 | FieldDecl *getAnonField() const { |
3110 | assert(chain().size() >= 2)((void)0); |
3111 | return cast<FieldDecl>(chain().back()); |
3112 | } |
3113 | |
3114 | VarDecl *getVarDecl() const { |
3115 | assert(chain().size() >= 2)((void)0); |
3116 | return dyn_cast<VarDecl>(chain().front()); |
3117 | } |
3118 | |
3119 | IndirectFieldDecl *getCanonicalDecl() override { return getFirstDecl(); } |
3120 | const IndirectFieldDecl *getCanonicalDecl() const { return getFirstDecl(); } |
3121 | |
3122 | // Implement isa/cast/dyncast/etc. |
3123 | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
3124 | static bool classofKind(Kind K) { return K == IndirectField; } |
3125 | }; |
3126 | |
3127 | /// Represents a declaration of a type. |
3128 | class TypeDecl : public NamedDecl { |
3129 | friend class ASTContext; |
3130 | |
3131 | /// This indicates the Type object that represents |
3132 | /// this TypeDecl. It is a cache maintained by |
3133 | /// ASTContext::getTypedefType, ASTContext::getTagDeclType, and |
3134 | /// ASTContext::getTemplateTypeParmType, and TemplateTypeParmDecl. |
3135 | mutable const Type *TypeForDecl = nullptr; |
3136 | |
3137 | /// The start of the source range for this declaration. |
3138 | SourceLocation LocStart; |
3139 | |
3140 | void anchor() override; |
3141 | |
3142 | protected: |
3143 | TypeDecl(Kind DK, DeclContext *DC, SourceLocation L, IdentifierInfo *Id, |
3144 | SourceLocation StartL = SourceLocation()) |
3145 | : NamedDecl(DK, DC, L, Id), LocStart(StartL) {} |
3146 | |
3147 | public: |
3148 | // Low-level accessor. If you just want the type defined by this node, |
3149 | // check out ASTContext::getTypeDeclType or one of |
3150 | // ASTContext::getTypedefType, ASTContext::getRecordType, etc. if you |
3151 | // already know the specific kind of node this is. |
3152 | const Type *getTypeForDecl() const { return TypeForDecl; } |
3153 | void setTypeForDecl(const Type *TD) { TypeForDecl = TD; } |
3154 | |
3155 | SourceLocation getBeginLoc() const LLVM_READONLY__attribute__((__pure__)) { return LocStart; } |
3156 | void setLocStart(SourceLocation L) { LocStart = L; } |
3157 | SourceRange getSourceRange() const override LLVM_READONLY__attribute__((__pure__)) { |
3158 | if (LocStart.isValid()) |
3159 | return SourceRange(LocStart, getLocation()); |
3160 | else |
3161 | return SourceRange(getLocation()); |
3162 | } |
3163 | |
3164 | // Implement isa/cast/dyncast/etc. |
3165 | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
3166 | static bool classofKind(Kind K) { return K >= firstType && K <= lastType; } |
3167 | }; |
3168 | |
3169 | /// Base class for declarations which introduce a typedef-name. |
3170 | class TypedefNameDecl : public TypeDecl, public Redeclarable<TypedefNameDecl> { |
3171 | struct alignas(8) ModedTInfo { |
3172 | TypeSourceInfo *first; |
3173 | QualType second; |
3174 | }; |
3175 | |
3176 | /// If int part is 0, we have not computed IsTransparentTag. |
3177 | /// Otherwise, IsTransparentTag is (getInt() >> 1). |
3178 | mutable llvm::PointerIntPair< |
3179 | llvm::PointerUnion<TypeSourceInfo *, ModedTInfo *>, 2> |
3180 | MaybeModedTInfo; |
3181 | |
3182 | void anchor() override; |
3183 | |
3184 | protected: |
3185 | TypedefNameDecl(Kind DK, ASTContext &C, DeclContext *DC, |
3186 | SourceLocation StartLoc, SourceLocation IdLoc, |
3187 | IdentifierInfo *Id, TypeSourceInfo *TInfo) |
3188 | : TypeDecl(DK, DC, IdLoc, Id, StartLoc), redeclarable_base(C), |
3189 | MaybeModedTInfo(TInfo, 0) {} |
3190 | |
3191 | using redeclarable_base = Redeclarable<TypedefNameDecl>; |
3192 | |
3193 | TypedefNameDecl *getNextRedeclarationImpl() override { |
3194 | return getNextRedeclaration(); |
3195 | } |
3196 | |
3197 | TypedefNameDecl *getPreviousDeclImpl() override { |
3198 | return getPreviousDecl(); |
3199 | } |
3200 | |
3201 | TypedefNameDecl *getMostRecentDeclImpl() override { |
3202 | return getMostRecentDecl(); |
3203 | } |
3204 | |
3205 | public: |
3206 | using redecl_range = redeclarable_base::redecl_range; |
3207 | using redecl_iterator = redeclarable_base::redecl_iterator; |
3208 | |
3209 | using redeclarable_base::redecls_begin; |
3210 | using redeclarable_base::redecls_end; |
3211 | using redeclarable_base::redecls; |
3212 | using redeclarable_base::getPreviousDecl; |
3213 | using redeclarable_base::getMostRecentDecl; |
3214 | using redeclarable_base::isFirstDecl; |
3215 | |
3216 | bool isModed() const { |
3217 | return MaybeModedTInfo.getPointer().is<ModedTInfo *>(); |
3218 | } |
3219 | |
3220 | TypeSourceInfo *getTypeSourceInfo() const { |
3221 | return isModed() ? MaybeModedTInfo.getPointer().get<ModedTInfo *>()->first |
3222 | : MaybeModedTInfo.getPointer().get<TypeSourceInfo *>(); |
3223 | } |
3224 | |
3225 | QualType getUnderlyingType() const { |
3226 | return isModed() ? MaybeModedTInfo.getPointer().get<ModedTInfo *>()->second |
3227 | : MaybeModedTInfo.getPointer() |
3228 | .get<TypeSourceInfo *>() |
3229 | ->getType(); |
3230 | } |
3231 | |
3232 | void setTypeSourceInfo(TypeSourceInfo *newType) { |
3233 | MaybeModedTInfo.setPointer(newType); |
3234 | } |
3235 | |
3236 | void setModedTypeSourceInfo(TypeSourceInfo *unmodedTSI, QualType modedTy) { |
3237 | MaybeModedTInfo.setPointer(new (getASTContext(), 8) |
3238 | ModedTInfo({unmodedTSI, modedTy})); |
3239 | } |
3240 | |
3241 | /// Retrieves the canonical declaration of this typedef-name. |
3242 | TypedefNameDecl *getCanonicalDecl() override { return getFirstDecl(); } |
3243 | const TypedefNameDecl *getCanonicalDecl() const { return getFirstDecl(); } |
3244 | |
3245 | /// Retrieves the tag declaration for which this is the typedef name for |
3246 | /// linkage purposes, if any. |
3247 | /// |
3248 | /// \param AnyRedecl Look for the tag declaration in any redeclaration of |
3249 | /// this typedef declaration. |
3250 | TagDecl *getAnonDeclWithTypedefName(bool AnyRedecl = false) const; |
3251 | |
3252 | /// Determines if this typedef shares a name and spelling location with its |
3253 | /// underlying tag type, as is the case with the NS_ENUM macro. |
3254 | bool isTransparentTag() const { |
3255 | if (MaybeModedTInfo.getInt()) |
3256 | return MaybeModedTInfo.getInt() & 0x2; |
3257 | return isTransparentTagSlow(); |
3258 | } |
3259 | |
3260 | // Implement isa/cast/dyncast/etc. |
3261 | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
3262 | static bool classofKind(Kind K) { |
3263 | return K >= firstTypedefName && K <= lastTypedefName; |
3264 | } |
3265 | |
3266 | private: |
3267 | bool isTransparentTagSlow() const; |
3268 | }; |
3269 | |
3270 | /// Represents the declaration of a typedef-name via the 'typedef' |
3271 | /// type specifier. |
3272 | class TypedefDecl : public TypedefNameDecl { |
3273 | TypedefDecl(ASTContext &C, DeclContext *DC, SourceLocation StartLoc, |
3274 | SourceLocation IdLoc, IdentifierInfo *Id, TypeSourceInfo *TInfo) |
3275 | : TypedefNameDecl(Typedef, C, DC, StartLoc, IdLoc, Id, TInfo) {} |
3276 | |
3277 | public: |
3278 | static TypedefDecl *Create(ASTContext &C, DeclContext *DC, |
3279 | SourceLocation StartLoc, SourceLocation IdLoc, |
3280 | IdentifierInfo *Id, TypeSourceInfo *TInfo); |
3281 | static TypedefDecl *CreateDeserialized(ASTContext &C, unsigned ID); |
3282 | |
3283 | SourceRange getSourceRange() const override LLVM_READONLY__attribute__((__pure__)); |
3284 | |
3285 | // Implement isa/cast/dyncast/etc. |
3286 | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
3287 | static bool classofKind(Kind K) { return K == Typedef; } |
3288 | }; |
3289 | |
3290 | /// Represents the declaration of a typedef-name via a C++11 |
3291 | /// alias-declaration. |
3292 | class TypeAliasDecl : public TypedefNameDecl { |
3293 | /// The template for which this is the pattern, if any. |
3294 | TypeAliasTemplateDecl *Template; |
3295 | |
3296 | TypeAliasDecl(ASTContext &C, DeclContext *DC, SourceLocation StartLoc, |
3297 | SourceLocation IdLoc, IdentifierInfo *Id, TypeSourceInfo *TInfo) |
3298 | : TypedefNameDecl(TypeAlias, C, DC, StartLoc, IdLoc, Id, TInfo), |
3299 | Template(nullptr) {} |
3300 | |
3301 | public: |
3302 | static TypeAliasDecl *Create(ASTContext &C, DeclContext *DC, |
3303 | SourceLocation StartLoc, SourceLocation IdLoc, |
3304 | IdentifierInfo *Id, TypeSourceInfo *TInfo); |
3305 | static TypeAliasDecl *CreateDeserialized(ASTContext &C, unsigned ID); |
3306 | |
3307 | SourceRange getSourceRange() const override LLVM_READONLY__attribute__((__pure__)); |
3308 | |
3309 | TypeAliasTemplateDecl *getDescribedAliasTemplate() const { return Template; } |
3310 | void setDescribedAliasTemplate(TypeAliasTemplateDecl *TAT) { Template = TAT; } |
3311 | |
3312 | // Implement isa/cast/dyncast/etc. |
3313 | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
3314 | static bool classofKind(Kind K) { return K == TypeAlias; } |
3315 | }; |
3316 | |
3317 | /// Represents the declaration of a struct/union/class/enum. |
3318 | class TagDecl : public TypeDecl, |
3319 | public DeclContext, |
3320 | public Redeclarable<TagDecl> { |
3321 | // This class stores some data in DeclContext::TagDeclBits |
3322 | // to save some space. Use the provided accessors to access it. |
3323 | public: |
3324 | // This is really ugly. |
3325 | using TagKind = TagTypeKind; |
3326 | |
3327 | private: |
3328 | SourceRange BraceRange; |
3329 | |
3330 | // A struct representing syntactic qualifier info, |
3331 | // to be used for the (uncommon) case of out-of-line declarations. |
3332 | using ExtInfo = QualifierInfo; |
3333 | |
3334 | /// If the (out-of-line) tag declaration name |
3335 | /// is qualified, it points to the qualifier info (nns and range); |
3336 | /// otherwise, if the tag declaration is anonymous and it is part of |
3337 | /// a typedef or alias, it points to the TypedefNameDecl (used for mangling); |
3338 | /// otherwise, if the tag declaration is anonymous and it is used as a |
3339 | /// declaration specifier for variables, it points to the first VarDecl (used |
3340 | /// for mangling); |
3341 | /// otherwise, it is a null (TypedefNameDecl) pointer. |
3342 | llvm::PointerUnion<TypedefNameDecl *, ExtInfo *> TypedefNameDeclOrQualifier; |
3343 | |
3344 | bool hasExtInfo() const { return TypedefNameDeclOrQualifier.is<ExtInfo *>(); } |
3345 | ExtInfo *getExtInfo() { return TypedefNameDeclOrQualifier.get<ExtInfo *>(); } |
3346 | const ExtInfo *getExtInfo() const { |
3347 | return TypedefNameDeclOrQualifier.get<ExtInfo *>(); |
3348 | } |
3349 | |
3350 | protected: |
3351 | TagDecl(Kind DK, TagKind TK, const ASTContext &C, DeclContext *DC, |
3352 | SourceLocation L, IdentifierInfo *Id, TagDecl *PrevDecl, |
3353 | SourceLocation StartL); |
3354 | |
3355 | using redeclarable_base = Redeclarable<TagDecl>; |
3356 | |
3357 | TagDecl *getNextRedeclarationImpl() override { |
3358 | return getNextRedeclaration(); |
3359 | } |
3360 | |
3361 | TagDecl *getPreviousDeclImpl() override { |
3362 | return getPreviousDecl(); |
3363 | } |
3364 | |
3365 | TagDecl *getMostRecentDeclImpl() override { |
3366 | return getMostRecentDecl(); |
3367 | } |
3368 | |
3369 | /// Completes the definition of this tag declaration. |
3370 | /// |
3371 | /// This is a helper function for derived classes. |
3372 | void completeDefinition(); |
3373 | |
3374 | /// True if this decl is currently being defined. |
3375 | void setBeingDefined(bool V = true) { TagDeclBits.IsBeingDefined = V; } |
3376 | |
3377 | /// Indicates whether it is possible for declarations of this kind |
3378 | /// to have an out-of-date definition. |
3379 | /// |
3380 | /// This option is only enabled when modules are enabled. |
3381 | void setMayHaveOutOfDateDef(bool V = true) { |
3382 | TagDeclBits.MayHaveOutOfDateDef = V; |
3383 | } |
3384 | |
3385 | public: |
3386 | friend class ASTDeclReader; |
3387 | friend class ASTDeclWriter; |
3388 | |
3389 | using redecl_range = redeclarable_base::redecl_range; |
3390 | using redecl_iterator = redeclarable_base::redecl_iterator; |
3391 | |
3392 | using redeclarable_base::redecls_begin; |
3393 | using redeclarable_base::redecls_end; |
3394 | using redeclarable_base::redecls; |
3395 | using redeclarable_base::getPreviousDecl; |
3396 | using redeclarable_base::getMostRecentDecl; |
3397 | using redeclarable_base::isFirstDecl; |
3398 | |
3399 | SourceRange getBraceRange() const { return BraceRange; } |
3400 | void setBraceRange(SourceRange R) { BraceRange = R; } |
3401 | |
3402 | /// Return SourceLocation representing start of source |
3403 | /// range ignoring outer template declarations. |
3404 | SourceLocation getInnerLocStart() const { return getBeginLoc(); } |
3405 | |
3406 | /// Return SourceLocation representing start of source |
3407 | /// range taking into account any outer template declarations. |
3408 | SourceLocation getOuterLocStart() const; |
3409 | SourceRange getSourceRange() const override LLVM_READONLY__attribute__((__pure__)); |
3410 | |
3411 | TagDecl *getCanonicalDecl() override; |
3412 | const TagDecl *getCanonicalDecl() const { |
3413 | return const_cast<TagDecl*>(this)->getCanonicalDecl(); |
3414 | } |
3415 | |
3416 | /// Return true if this declaration is a completion definition of the type. |
3417 | /// Provided for consistency. |
3418 | bool isThisDeclarationADefinition() const { |
3419 | return isCompleteDefinition(); |
3420 | } |
3421 | |
3422 | /// Return true if this decl has its body fully specified. |
3423 | bool isCompleteDefinition() const { return TagDeclBits.IsCompleteDefinition; } |
3424 | |
3425 | /// True if this decl has its body fully specified. |
3426 | void setCompleteDefinition(bool V = true) { |
3427 | TagDeclBits.IsCompleteDefinition = V; |
3428 | } |
3429 | |
3430 | /// Return true if this complete decl is |
3431 | /// required to be complete for some existing use. |
3432 | bool isCompleteDefinitionRequired() const { |
3433 | return TagDeclBits.IsCompleteDefinitionRequired; |
3434 | } |
3435 | |
3436 | /// True if this complete decl is |
3437 | /// required to be complete for some existing use. |
3438 | void setCompleteDefinitionRequired(bool V = true) { |
3439 | TagDeclBits.IsCompleteDefinitionRequired = V; |
3440 | } |
3441 | |
3442 | /// Return true if this decl is currently being defined. |
3443 | bool isBeingDefined() const { return TagDeclBits.IsBeingDefined; } |
3444 | |
3445 | /// True if this tag declaration is "embedded" (i.e., defined or declared |
3446 | /// for the very first time) in the syntax of a declarator. |
3447 | bool isEmbeddedInDeclarator() const { |
3448 | return TagDeclBits.IsEmbeddedInDeclarator; |
3449 | } |
3450 | |
3451 | /// True if this tag declaration is "embedded" (i.e., defined or declared |
3452 | /// for the very first time) in the syntax of a declarator. |
3453 | void setEmbeddedInDeclarator(bool isInDeclarator) { |
3454 | TagDeclBits.IsEmbeddedInDeclarator = isInDeclarator; |
3455 | } |
3456 | |
3457 | /// True if this tag is free standing, e.g. "struct foo;". |
3458 | bool isFreeStanding() const { return TagDeclBits.IsFreeStanding; } |
3459 | |
3460 | /// True if this tag is free standing, e.g. "struct foo;". |
3461 | void setFreeStanding(bool isFreeStanding = true) { |
3462 | TagDeclBits.IsFreeStanding = isFreeStanding; |
3463 | } |
3464 | |
3465 | /// Indicates whether it is possible for declarations of this kind |
3466 | /// to have an out-of-date definition. |
3467 | /// |
3468 | /// This option is only enabled when modules are enabled. |
3469 | bool mayHaveOutOfDateDef() const { return TagDeclBits.MayHaveOutOfDateDef; } |
3470 | |
3471 | /// Whether this declaration declares a type that is |
3472 | /// dependent, i.e., a type that somehow depends on template |
3473 | /// parameters. |
3474 | bool isDependentType() const { return isDependentContext(); } |
3475 | |
3476 | /// Starts the definition of this tag declaration. |
3477 | /// |
3478 | /// This method should be invoked at the beginning of the definition |
3479 | /// of this tag declaration. It will set the tag type into a state |
3480 | /// where it is in the process of being defined. |
3481 | void startDefinition(); |
3482 | |
3483 | /// Returns the TagDecl that actually defines this |
3484 | /// struct/union/class/enum. When determining whether or not a |
3485 | /// struct/union/class/enum has a definition, one should use this |
3486 | /// method as opposed to 'isDefinition'. 'isDefinition' indicates |
3487 | /// whether or not a specific TagDecl is defining declaration, not |
3488 | /// whether or not the struct/union/class/enum type is defined. |
3489 | /// This method returns NULL if there is no TagDecl that defines |
3490 | /// the struct/union/class/enum. |
3491 | TagDecl *getDefinition() const; |
3492 | |
3493 | StringRef getKindName() const { |
3494 | return TypeWithKeyword::getTagTypeKindName(getTagKind()); |
3495 | } |
3496 | |
3497 | TagKind getTagKind() const { |
3498 | return static_cast<TagKind>(TagDeclBits.TagDeclKind); |
3499 | } |
3500 | |
3501 | void setTagKind(TagKind TK) { TagDeclBits.TagDeclKind = TK; } |
3502 | |
3503 | bool isStruct() const { return getTagKind() == TTK_Struct; } |
3504 | bool isInterface() const { return getTagKind() == TTK_Interface; } |
3505 | bool isClass() const { return getTagKind() == TTK_Class; } |
3506 | bool isUnion() const { return getTagKind() == TTK_Union; } |
3507 | bool isEnum() const { return getTagKind() == TTK_Enum; } |
3508 | |
3509 | /// Is this tag type named, either directly or via being defined in |
3510 | /// a typedef of this type? |
3511 | /// |
3512 | /// C++11 [basic.link]p8: |
3513 | /// A type is said to have linkage if and only if: |
3514 | /// - it is a class or enumeration type that is named (or has a |
3515 | /// name for linkage purposes) and the name has linkage; ... |
3516 | /// C++11 [dcl.typedef]p9: |
3517 | /// If the typedef declaration defines an unnamed class (or enum), |
3518 | /// the first typedef-name declared by the declaration to be that |
3519 | /// class type (or enum type) is used to denote the class type (or |
3520 | /// enum type) for linkage purposes only. |
3521 | /// |
3522 | /// C does not have an analogous rule, but the same concept is |
3523 | /// nonetheless useful in some places. |
3524 | bool hasNameForLinkage() const { |
3525 | return (getDeclName() || getTypedefNameForAnonDecl()); |
3526 | } |
3527 | |
3528 | TypedefNameDecl *getTypedefNameForAnonDecl() const { |
3529 | return hasExtInfo() ? nullptr |
3530 | : TypedefNameDeclOrQualifier.get<TypedefNameDecl *>(); |
3531 | } |
3532 | |
3533 | void setTypedefNameForAnonDecl(TypedefNameDecl *TDD); |
3534 | |
3535 | /// Retrieve the nested-name-specifier that qualifies the name of this |
3536 | /// declaration, if it was present in the source. |
3537 | NestedNameSpecifier *getQualifier() const { |
3538 | return hasExtInfo() ? getExtInfo()->QualifierLoc.getNestedNameSpecifier() |
3539 | : nullptr; |
3540 | } |
3541 | |
3542 | /// Retrieve the nested-name-specifier (with source-location |
3543 | /// information) that qualifies the name of this declaration, if it was |
3544 | /// present in the source. |
3545 | NestedNameSpecifierLoc getQualifierLoc() const { |
3546 | return hasExtInfo() ? getExtInfo()->QualifierLoc |
3547 | : NestedNameSpecifierLoc(); |
3548 | } |
3549 | |
3550 | void setQualifierInfo(NestedNameSpecifierLoc QualifierLoc); |
3551 | |
3552 | unsigned getNumTemplateParameterLists() const { |
3553 | return hasExtInfo() ? getExtInfo()->NumTemplParamLists : 0; |
3554 | } |
3555 | |
3556 | TemplateParameterList *getTemplateParameterList(unsigned i) const { |
3557 | assert(i < getNumTemplateParameterLists())((void)0); |
3558 | return getExtInfo()->TemplParamLists[i]; |
3559 | } |
3560 | |
3561 | void setTemplateParameterListsInfo(ASTContext &Context, |
3562 | ArrayRef<TemplateParameterList *> TPLists); |
3563 | |
3564 | // Implement isa/cast/dyncast/etc. |
3565 | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
3566 | static bool classofKind(Kind K) { return K >= firstTag && K <= lastTag; } |
3567 | |
3568 | static DeclContext *castToDeclContext(const TagDecl *D) { |
3569 | return static_cast<DeclContext *>(const_cast<TagDecl*>(D)); |
3570 | } |
3571 | |
3572 | static TagDecl *castFromDeclContext(const DeclContext *DC) { |
3573 | return static_cast<TagDecl *>(const_cast<DeclContext*>(DC)); |
3574 | } |
3575 | }; |
3576 | |
3577 | /// Represents an enum. In C++11, enums can be forward-declared |
3578 | /// with a fixed underlying type, and in C we allow them to be forward-declared |
3579 | /// with no underlying type as an extension. |
3580 | class EnumDecl : public TagDecl { |
3581 | // This class stores some data in DeclContext::EnumDeclBits |
3582 | // to save some space. Use the provided accessors to access it. |
3583 | |
3584 | /// This represent the integer type that the enum corresponds |
3585 | /// to for code generation purposes. Note that the enumerator constants may |
3586 | /// have a different type than this does. |
3587 | /// |
3588 | /// If the underlying integer type was explicitly stated in the source |
3589 | /// code, this is a TypeSourceInfo* for that type. Otherwise this type |
3590 | /// was automatically deduced somehow, and this is a Type*. |
3591 | /// |
3592 | /// Normally if IsFixed(), this would contain a TypeSourceInfo*, but in |
3593 | /// some cases it won't. |
3594 | /// |
3595 | /// The underlying type of an enumeration never has any qualifiers, so |
3596 | /// we can get away with just storing a raw Type*, and thus save an |
3597 | /// extra pointer when TypeSourceInfo is needed. |
3598 | llvm::PointerUnion<const Type *, TypeSourceInfo *> IntegerType; |
3599 | |
3600 | /// The integer type that values of this type should |
3601 | /// promote to. In C, enumerators are generally of an integer type |
3602 | /// directly, but gcc-style large enumerators (and all enumerators |
3603 | /// in C++) are of the enum type instead. |
3604 | QualType PromotionType; |
3605 | |
3606 | /// If this enumeration is an instantiation of a member enumeration |
3607 | /// of a class template specialization, this is the member specialization |
3608 | /// information. |
3609 | MemberSpecializationInfo *SpecializationInfo = nullptr; |
3610 | |
3611 | /// Store the ODRHash after first calculation. |
3612 | /// The corresponding flag HasODRHash is in EnumDeclBits |
3613 | /// and can be accessed with the provided accessors. |
3614 | unsigned ODRHash; |
3615 | |
3616 | EnumDecl(ASTContext &C, DeclContext *DC, SourceLocation StartLoc, |
3617 | SourceLocation IdLoc, IdentifierInfo *Id, EnumDecl *PrevDecl, |
3618 | bool Scoped, bool ScopedUsingClassTag, bool Fixed); |
3619 | |
3620 | void anchor() override; |
3621 | |
3622 | void setInstantiationOfMemberEnum(ASTContext &C, EnumDecl *ED, |
3623 | TemplateSpecializationKind TSK); |
3624 | |
3625 | /// Sets the width in bits required to store all the |
3626 | /// non-negative enumerators of this enum. |
3627 | void setNumPositiveBits(unsigned Num) { |
3628 | EnumDeclBits.NumPositiveBits = Num; |
3629 | assert(EnumDeclBits.NumPositiveBits == Num && "can't store this bitcount")((void)0); |
3630 | } |
3631 | |
3632 | /// Returns the width in bits required to store all the |
3633 | /// negative enumerators of this enum. (see getNumNegativeBits) |
3634 | void setNumNegativeBits(unsigned Num) { EnumDeclBits.NumNegativeBits = Num; } |
3635 | |
3636 | public: |
3637 | /// True if this tag declaration is a scoped enumeration. Only |
3638 | /// possible in C++11 mode. |
3639 | void setScoped(bool Scoped = true) { EnumDeclBits.IsScoped = Scoped; } |
3640 | |
3641 | /// If this tag declaration is a scoped enum, |
3642 | /// then this is true if the scoped enum was declared using the class |
3643 | /// tag, false if it was declared with the struct tag. No meaning is |
3644 | /// associated if this tag declaration is not a scoped enum. |
3645 | void setScopedUsingClassTag(bool ScopedUCT = true) { |
3646 | EnumDeclBits.IsScopedUsingClassTag = ScopedUCT; |
3647 | } |
3648 | |
3649 | /// True if this is an Objective-C, C++11, or |
3650 | /// Microsoft-style enumeration with a fixed underlying type. |
3651 | void setFixed(bool Fixed = true) { EnumDeclBits.IsFixed = Fixed; } |
3652 | |
3653 | private: |
3654 | /// True if a valid hash is stored in ODRHash. |
3655 | bool hasODRHash() const { return EnumDeclBits.HasODRHash; } |
3656 | void setHasODRHash(bool Hash = true) { EnumDeclBits.HasODRHash = Hash; } |
3657 | |
3658 | public: |
3659 | friend class ASTDeclReader; |
3660 | |
3661 | EnumDecl *getCanonicalDecl() override { |
3662 | return cast<EnumDecl>(TagDecl::getCanonicalDecl()); |
3663 | } |
3664 | const EnumDecl *getCanonicalDecl() const { |
3665 | return const_cast<EnumDecl*>(this)->getCanonicalDecl(); |
3666 | } |
3667 | |
3668 | EnumDecl *getPreviousDecl() { |
3669 | return cast_or_null<EnumDecl>( |
3670 | static_cast<TagDecl *>(this)->getPreviousDecl()); |
3671 | } |
3672 | const EnumDecl *getPreviousDecl() const { |
3673 | return const_cast<EnumDecl*>(this)->getPreviousDecl(); |
3674 | } |
3675 | |
3676 | EnumDecl *getMostRecentDecl() { |
3677 | return cast<EnumDecl>(static_cast<TagDecl *>(this)->getMostRecentDecl()); |
3678 | } |
3679 | const EnumDecl *getMostRecentDecl() const { |
3680 | return const_cast<EnumDecl*>(this)->getMostRecentDecl(); |
3681 | } |
3682 | |
3683 | EnumDecl *getDefinition() const { |
3684 | return cast_or_null<EnumDecl>(TagDecl::getDefinition()); |
3685 | } |
3686 | |
3687 | static EnumDecl *Create(ASTContext &C, DeclContext *DC, |
3688 | SourceLocation StartLoc, SourceLocation IdLoc, |
3689 | IdentifierInfo *Id, EnumDecl *PrevDecl, |
3690 | bool IsScoped, bool IsScopedUsingClassTag, |
3691 | bool IsFixed); |
3692 | static EnumDecl *CreateDeserialized(ASTContext &C, unsigned ID); |
3693 | |
3694 | /// When created, the EnumDecl corresponds to a |
3695 | /// forward-declared enum. This method is used to mark the |
3696 | /// declaration as being defined; its enumerators have already been |
3697 | /// added (via DeclContext::addDecl). NewType is the new underlying |
3698 | /// type of the enumeration type. |
3699 | void completeDefinition(QualType NewType, |
3700 | QualType PromotionType, |
3701 | unsigned NumPositiveBits, |
3702 | unsigned NumNegativeBits); |
3703 | |
3704 | // Iterates through the enumerators of this enumeration. |
3705 | using enumerator_iterator = specific_decl_iterator<EnumConstantDecl>; |
3706 | using enumerator_range = |
3707 | llvm::iterator_range<specific_decl_iterator<EnumConstantDecl>>; |
3708 | |
3709 | enumerator_range enumerators() const { |
3710 | return enumerator_range(enumerator_begin(), enumerator_end()); |
3711 | } |
3712 | |
3713 | enumerator_iterator enumerator_begin() const { |
3714 | const EnumDecl *E = getDefinition(); |
3715 | if (!E) |
3716 | E = this; |
3717 | return enumerator_iterator(E->decls_begin()); |
3718 | } |
3719 | |
3720 | enumerator_iterator enumerator_end() const { |
3721 | const EnumDecl *E = getDefinition(); |
3722 | if (!E) |
3723 | E = this; |
3724 | return enumerator_iterator(E->decls_end()); |
3725 | } |
3726 | |
3727 | /// Return the integer type that enumerators should promote to. |
3728 | QualType getPromotionType() const { return PromotionType; } |
3729 | |
3730 | /// Set the promotion type. |
3731 | void setPromotionType(QualType T) { PromotionType = T; } |
3732 | |
3733 | /// Return the integer type this enum decl corresponds to. |
3734 | /// This returns a null QualType for an enum forward definition with no fixed |
3735 | /// underlying type. |
3736 | QualType getIntegerType() const { |
3737 | if (!IntegerType) |
3738 | return QualType(); |
3739 | if (const Type *T = IntegerType.dyn_cast<const Type*>()) |
3740 | return QualType(T, 0); |
3741 | return IntegerType.get<TypeSourceInfo*>()->getType().getUnqualifiedType(); |
3742 | } |
3743 | |
3744 | /// Set the underlying integer type. |
3745 | void setIntegerType(QualType T) { IntegerType = T.getTypePtrOrNull(); } |
3746 | |
3747 | /// Set the underlying integer type source info. |
3748 | void setIntegerTypeSourceInfo(TypeSourceInfo *TInfo) { IntegerType = TInfo; } |
3749 | |
3750 | /// Return the type source info for the underlying integer type, |
3751 | /// if no type source info exists, return 0. |
3752 | TypeSourceInfo *getIntegerTypeSourceInfo() const { |
3753 | return IntegerType.dyn_cast<TypeSourceInfo*>(); |
3754 | } |
3755 | |
3756 | /// Retrieve the source range that covers the underlying type if |
3757 | /// specified. |
3758 | SourceRange getIntegerTypeRange() const LLVM_READONLY__attribute__((__pure__)); |
3759 | |
3760 | /// Returns the width in bits required to store all the |
3761 | /// non-negative enumerators of this enum. |
3762 | unsigned getNumPositiveBits() const { return EnumDeclBits.NumPositiveBits; } |
3763 | |
3764 | /// Returns the width in bits required to store all the |
3765 | /// negative enumerators of this enum. These widths include |
3766 | /// the rightmost leading 1; that is: |
3767 | /// |
3768 | /// MOST NEGATIVE ENUMERATOR PATTERN NUM NEGATIVE BITS |
3769 | /// ------------------------ ------- ----------------- |
3770 | /// -1 1111111 1 |
3771 | /// -10 1110110 5 |
3772 | /// -101 1001011 8 |
3773 | unsigned getNumNegativeBits() const { return EnumDeclBits.NumNegativeBits; } |
3774 | |
3775 | /// Returns true if this is a C++11 scoped enumeration. |
3776 | bool isScoped() const { return EnumDeclBits.IsScoped; } |
3777 | |
3778 | /// Returns true if this is a C++11 scoped enumeration. |
3779 | bool isScopedUsingClassTag() const { |
3780 | return EnumDeclBits.IsScopedUsingClassTag; |
3781 | } |
3782 | |
3783 | /// Returns true if this is an Objective-C, C++11, or |
3784 | /// Microsoft-style enumeration with a fixed underlying type. |
3785 | bool isFixed() const { return EnumDeclBits.IsFixed; } |
3786 | |
3787 | unsigned getODRHash(); |
3788 | |
3789 | /// Returns true if this can be considered a complete type. |
3790 | bool isComplete() const { |
3791 | // IntegerType is set for fixed type enums and non-fixed but implicitly |
3792 | // int-sized Microsoft enums. |
3793 | return isCompleteDefinition() || IntegerType; |
3794 | } |
3795 | |
3796 | /// Returns true if this enum is either annotated with |
3797 | /// enum_extensibility(closed) or isn't annotated with enum_extensibility. |
3798 | bool isClosed() const; |
3799 | |
3800 | /// Returns true if this enum is annotated with flag_enum and isn't annotated |
3801 | /// with enum_extensibility(open). |
3802 | bool isClosedFlag() const; |
3803 | |
3804 | /// Returns true if this enum is annotated with neither flag_enum nor |
3805 | /// enum_extensibility(open). |
3806 | bool isClosedNonFlag() const; |
3807 | |
3808 | /// Retrieve the enum definition from which this enumeration could |
3809 | /// be instantiated, if it is an instantiation (rather than a non-template). |
3810 | EnumDecl *getTemplateInstantiationPattern() const; |
3811 | |
3812 | /// Returns the enumeration (declared within the template) |
3813 | /// from which this enumeration type was instantiated, or NULL if |
3814 | /// this enumeration was not instantiated from any template. |
3815 | EnumDecl *getInstantiatedFromMemberEnum() const; |
3816 | |
3817 | /// If this enumeration is a member of a specialization of a |
3818 | /// templated class, determine what kind of template specialization |
3819 | /// or instantiation this is. |
3820 | TemplateSpecializationKind getTemplateSpecializationKind() const; |
3821 | |
3822 | /// For an enumeration member that was instantiated from a member |
3823 | /// enumeration of a templated class, set the template specialiation kind. |
3824 | void setTemplateSpecializationKind(TemplateSpecializationKind TSK, |
3825 | SourceLocation PointOfInstantiation = SourceLocation()); |
3826 | |
3827 | /// If this enumeration is an instantiation of a member enumeration of |
3828 | /// a class template specialization, retrieves the member specialization |
3829 | /// information. |
3830 | MemberSpecializationInfo *getMemberSpecializationInfo() const { |
3831 | return SpecializationInfo; |
3832 | } |
3833 | |
3834 | /// Specify that this enumeration is an instantiation of the |
3835 | /// member enumeration ED. |
3836 | void setInstantiationOfMemberEnum(EnumDecl *ED, |
3837 | TemplateSpecializationKind TSK) { |
3838 | setInstantiationOfMemberEnum(getASTContext(), ED, TSK); |
3839 | } |
3840 | |
3841 | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
3842 | static bool classofKind(Kind K) { return K == Enum; } |
3843 | }; |
3844 | |
3845 | /// Represents a struct/union/class. For example: |
3846 | /// struct X; // Forward declaration, no "body". |
3847 | /// union Y { int A, B; }; // Has body with members A and B (FieldDecls). |
3848 | /// This decl will be marked invalid if *any* members are invalid. |
3849 | class RecordDecl : public TagDecl { |
3850 | // This class stores some data in DeclContext::RecordDeclBits |
3851 | // to save some space. Use the provided accessors to access it. |
3852 | public: |
3853 | friend class DeclContext; |
3854 | /// Enum that represents the different ways arguments are passed to and |
3855 | /// returned from function calls. This takes into account the target-specific |
3856 | /// and version-specific rules along with the rules determined by the |
3857 | /// language. |
3858 | enum ArgPassingKind : unsigned { |
3859 | /// The argument of this type can be passed directly in registers. |
3860 | APK_CanPassInRegs, |
3861 | |
3862 | /// The argument of this type cannot be passed directly in registers. |
3863 | /// Records containing this type as a subobject are not forced to be passed |
3864 | /// indirectly. This value is used only in C++. This value is required by |
3865 | /// C++ because, in uncommon situations, it is possible for a class to have |
3866 | /// only trivial copy/move constructors even when one of its subobjects has |
3867 | /// a non-trivial copy/move constructor (if e.g. the corresponding copy/move |
3868 | /// constructor in the derived class is deleted). |
3869 | APK_CannotPassInRegs, |
3870 | |
3871 | /// The argument of this type cannot be passed directly in registers. |
3872 | /// Records containing this type as a subobject are forced to be passed |
3873 | /// indirectly. |
3874 | APK_CanNeverPassInRegs |
3875 | }; |
3876 | |
3877 | protected: |
3878 | RecordDecl(Kind DK, TagKind TK, const ASTContext &C, DeclContext *DC, |
3879 | SourceLocation StartLoc, SourceLocation IdLoc, |
3880 | IdentifierInfo *Id, RecordDecl *PrevDecl); |
3881 | |
3882 | public: |
3883 | static RecordDecl *Create(const ASTContext &C, TagKind TK, DeclContext *DC, |
3884 | SourceLocation StartLoc, SourceLocation IdLoc, |
3885 | IdentifierInfo *Id, RecordDecl* PrevDecl = nullptr); |
3886 | static RecordDecl *CreateDeserialized(const ASTContext &C, unsigned ID); |
3887 | |
3888 | RecordDecl *getPreviousDecl() { |
3889 | return cast_or_null<RecordDecl>( |
3890 | static_cast<TagDecl *>(this)->getPreviousDecl()); |
3891 | } |
3892 | const RecordDecl *getPreviousDecl() const { |
3893 | return const_cast<RecordDecl*>(this)->getPreviousDecl(); |
3894 | } |
3895 | |
3896 | RecordDecl *getMostRecentDecl() { |
3897 | return cast<RecordDecl>(static_cast<TagDecl *>(this)->getMostRecentDecl()); |
3898 | } |
3899 | const RecordDecl *getMostRecentDecl() const { |
3900 | return const_cast<RecordDecl*>(this)->getMostRecentDecl(); |
3901 | } |
3902 | |
3903 | bool hasFlexibleArrayMember() const { |
3904 | return RecordDeclBits.HasFlexibleArrayMember; |
3905 | } |
3906 | |
3907 | void setHasFlexibleArrayMember(bool V) { |
3908 | RecordDeclBits.HasFlexibleArrayMember = V; |
3909 | } |
3910 | |
3911 | /// Whether this is an anonymous struct or union. To be an anonymous |
3912 | /// struct or union, it must have been declared without a name and |
3913 | /// there must be no objects of this type declared, e.g., |
3914 | /// @code |
3915 | /// union { int i; float f; }; |
3916 | /// @endcode |
3917 | /// is an anonymous union but neither of the following are: |
3918 | /// @code |
3919 | /// union X { int i; float f; }; |
3920 | /// union { int i; float f; } obj; |
3921 | /// @endcode |
3922 | bool isAnonymousStructOrUnion() const { |
3923 | return RecordDeclBits.AnonymousStructOrUnion; |
3924 | } |
3925 | |
3926 | void setAnonymousStructOrUnion(bool Anon) { |
3927 | RecordDeclBits.AnonymousStructOrUnion = Anon; |
3928 | } |
3929 | |
3930 | bool hasObjectMember() const { return RecordDeclBits.HasObjectMember; } |
3931 | void setHasObjectMember(bool val) { RecordDeclBits.HasObjectMember = val; } |
3932 | |
3933 | bool hasVolatileMember() const { return RecordDeclBits.HasVolatileMember; } |
3934 | |
3935 | void setHasVolatileMember(bool val) { |
3936 | RecordDeclBits.HasVolatileMember = val; |
3937 | } |
3938 | |
3939 | bool hasLoadedFieldsFromExternalStorage() const { |
3940 | return RecordDeclBits.LoadedFieldsFromExternalStorage; |
3941 | } |
3942 | |
3943 | void setHasLoadedFieldsFromExternalStorage(bool val) const { |
3944 | RecordDeclBits.LoadedFieldsFromExternalStorage = val; |
3945 | } |
3946 | |
3947 | /// Functions to query basic properties of non-trivial C structs. |
3948 | bool isNonTrivialToPrimitiveDefaultInitialize() const { |
3949 | return RecordDeclBits.NonTrivialToPrimitiveDefaultInitialize; |
3950 | } |
3951 | |
3952 | void setNonTrivialToPrimitiveDefaultInitialize(bool V) { |
3953 | RecordDeclBits.NonTrivialToPrimitiveDefaultInitialize = V; |
3954 | } |
3955 | |
3956 | bool isNonTrivialToPrimitiveCopy() const { |
3957 | return RecordDeclBits.NonTrivialToPrimitiveCopy; |
3958 | } |
3959 | |
3960 | void setNonTrivialToPrimitiveCopy(bool V) { |
3961 | RecordDeclBits.NonTrivialToPrimitiveCopy = V; |
3962 | } |
3963 | |
3964 | bool isNonTrivialToPrimitiveDestroy() const { |
3965 | return RecordDeclBits.NonTrivialToPrimitiveDestroy; |
3966 | } |
3967 | |
3968 | void setNonTrivialToPrimitiveDestroy(bool V) { |
3969 | RecordDeclBits.NonTrivialToPrimitiveDestroy = V; |
3970 | } |
3971 | |
3972 | bool hasNonTrivialToPrimitiveDefaultInitializeCUnion() const { |
3973 | return RecordDeclBits.HasNonTrivialToPrimitiveDefaultInitializeCUnion; |
3974 | } |
3975 | |
3976 | void setHasNonTrivialToPrimitiveDefaultInitializeCUnion(bool V) { |
3977 | RecordDeclBits.HasNonTrivialToPrimitiveDefaultInitializeCUnion = V; |
3978 | } |
3979 | |
3980 | bool hasNonTrivialToPrimitiveDestructCUnion() const { |
3981 | return RecordDeclBits.HasNonTrivialToPrimitiveDestructCUnion; |
3982 | } |
3983 | |
3984 | void setHasNonTrivialToPrimitiveDestructCUnion(bool V) { |
3985 | RecordDeclBits.HasNonTrivialToPrimitiveDestructCUnion = V; |
3986 | } |
3987 | |
3988 | bool hasNonTrivialToPrimitiveCopyCUnion() const { |
3989 | return RecordDeclBits.HasNonTrivialToPrimitiveCopyCUnion; |
3990 | } |
3991 | |
3992 | void setHasNonTrivialToPrimitiveCopyCUnion(bool V) { |
3993 | RecordDeclBits.HasNonTrivialToPrimitiveCopyCUnion = V; |
3994 | } |
3995 | |
3996 | /// Determine whether this class can be passed in registers. In C++ mode, |
3997 | /// it must have at least one trivial, non-deleted copy or move constructor. |
3998 | /// FIXME: This should be set as part of completeDefinition. |
3999 | bool canPassInRegisters() const { |
4000 | return getArgPassingRestrictions() == APK_CanPassInRegs; |
4001 | } |
4002 | |
4003 | ArgPassingKind getArgPassingRestrictions() const { |
4004 | return static_cast<ArgPassingKind>(RecordDeclBits.ArgPassingRestrictions); |
4005 | } |
4006 | |
4007 | void setArgPassingRestrictions(ArgPassingKind Kind) { |
4008 | RecordDeclBits.ArgPassingRestrictions = Kind; |
4009 | } |
4010 | |
4011 | bool isParamDestroyedInCallee() const { |
4012 | return RecordDeclBits.ParamDestroyedInCallee; |
4013 | } |
4014 | |
4015 | void setParamDestroyedInCallee(bool V) { |
4016 | RecordDeclBits.ParamDestroyedInCallee = V; |
4017 | } |
4018 | |
4019 | /// Determines whether this declaration represents the |
4020 | /// injected class name. |
4021 | /// |
4022 | /// The injected class name in C++ is the name of the class that |
4023 | /// appears inside the class itself. For example: |
4024 | /// |
4025 | /// \code |
4026 | /// struct C { |
4027 | /// // C is implicitly declared here as a synonym for the class name. |
4028 | /// }; |
4029 | /// |
4030 | /// C::C c; // same as "C c;" |
4031 | /// \endcode |
4032 | bool isInjectedClassName() const; |
4033 | |
4034 | /// Determine whether this record is a class describing a lambda |
4035 | /// function object. |
4036 | bool isLambda() const; |
4037 | |
4038 | /// Determine whether this record is a record for captured variables in |
4039 | /// CapturedStmt construct. |
4040 | bool isCapturedRecord() const; |
4041 | |
4042 | /// Mark the record as a record for captured variables in CapturedStmt |
4043 | /// construct. |
4044 | void setCapturedRecord(); |
4045 | |
4046 | /// Returns the RecordDecl that actually defines |
4047 | /// this struct/union/class. When determining whether or not a |
4048 | /// struct/union/class is completely defined, one should use this |
4049 | /// method as opposed to 'isCompleteDefinition'. |
4050 | /// 'isCompleteDefinition' indicates whether or not a specific |
4051 | /// RecordDecl is a completed definition, not whether or not the |
4052 | /// record type is defined. This method returns NULL if there is |
4053 | /// no RecordDecl that defines the struct/union/tag. |
4054 | RecordDecl *getDefinition() const { |
4055 | return cast_or_null<RecordDecl>(TagDecl::getDefinition()); |
4056 | } |
4057 | |
4058 | /// Returns whether this record is a union, or contains (at any nesting level) |
4059 | /// a union member. This is used by CMSE to warn about possible information |
4060 | /// leaks. |
4061 | bool isOrContainsUnion() const; |
4062 | |
4063 | // Iterator access to field members. The field iterator only visits |
4064 | // the non-static data members of this class, ignoring any static |
4065 | // data members, functions, constructors, destructors, etc. |
4066 | using field_iterator = specific_decl_iterator<FieldDecl>; |
4067 | using field_range = llvm::iterator_range<specific_decl_iterator<FieldDecl>>; |
4068 | |
4069 | field_range fields() const { return field_range(field_begin(), field_end()); } |
4070 | field_iterator field_begin() const; |
4071 | |
4072 | field_iterator field_end() const { |
4073 | return field_iterator(decl_iterator()); |
4074 | } |
4075 | |
4076 | // Whether there are any fields (non-static data members) in this record. |
4077 | bool field_empty() const { |
4078 | return field_begin() == field_end(); |
4079 | } |
4080 | |
4081 | /// Note that the definition of this type is now complete. |
4082 | virtual void completeDefinition(); |
4083 | |
4084 | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
4085 | static bool classofKind(Kind K) { |
4086 | return K >= firstRecord && K <= lastRecord; |
4087 | } |
4088 | |
4089 | /// Get whether or not this is an ms_struct which can |
4090 | /// be turned on with an attribute, pragma, or -mms-bitfields |
4091 | /// commandline option. |
4092 | bool isMsStruct(const ASTContext &C) const; |
4093 | |
4094 | /// Whether we are allowed to insert extra padding between fields. |
4095 | /// These padding are added to help AddressSanitizer detect |
4096 | /// intra-object-overflow bugs. |
4097 | bool mayInsertExtraPadding(bool EmitRemark = false) const; |
4098 | |
4099 | /// Finds the first data member which has a name. |
4100 | /// nullptr is returned if no named data member exists. |
4101 | const FieldDecl *findFirstNamedDataMember() const; |
4102 | |
4103 | private: |
4104 | /// Deserialize just the fields. |
4105 | void LoadFieldsFromExternalStorage() const; |
4106 | }; |
4107 | |
4108 | class FileScopeAsmDecl : public Decl { |
4109 | StringLiteral *AsmString; |
4110 | SourceLocation RParenLoc; |
4111 | |
4112 | FileScopeAsmDecl(DeclContext *DC, StringLiteral *asmstring, |
4113 | SourceLocation StartL, SourceLocation EndL) |
4114 | : Decl(FileScopeAsm, DC, StartL), AsmString(asmstring), RParenLoc(EndL) {} |
4115 | |
4116 | virtual void anchor(); |
4117 | |
4118 | public: |
4119 | static FileScopeAsmDecl *Create(ASTContext &C, DeclContext *DC, |
4120 | StringLiteral *Str, SourceLocation AsmLoc, |
4121 | SourceLocation RParenLoc); |
4122 | |
4123 | static FileScopeAsmDecl *CreateDeserialized(ASTContext &C, unsigned ID); |
4124 | |
4125 | SourceLocation getAsmLoc() const { return getLocation(); } |
4126 | SourceLocation getRParenLoc() const { return RParenLoc; } |
4127 | void setRParenLoc(SourceLocation L) { RParenLoc = L; } |
4128 | SourceRange getSourceRange() const override LLVM_READONLY__attribute__((__pure__)) { |
4129 | return SourceRange(getAsmLoc(), getRParenLoc()); |
4130 | } |
4131 | |
4132 | const StringLiteral *getAsmString() const { return AsmString; } |
4133 | StringLiteral *getAsmString() { return AsmString; } |
4134 | void setAsmString(StringLiteral *Asm) { AsmString = Asm; } |
4135 | |
4136 | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
4137 | static bool classofKind(Kind K) { return K == FileScopeAsm; } |
4138 | }; |
4139 | |
4140 | /// Represents a block literal declaration, which is like an |
4141 | /// unnamed FunctionDecl. For example: |
4142 | /// ^{ statement-body } or ^(int arg1, float arg2){ statement-body } |
4143 | class BlockDecl : public Decl, public DeclContext { |
4144 | // This class stores some data in DeclContext::BlockDeclBits |
4145 | // to save some space. Use the provided accessors to access it. |
4146 | public: |
4147 | /// A class which contains all the information about a particular |
4148 | /// captured value. |
4149 | class Capture { |
4150 | enum { |
4151 | flag_isByRef = 0x1, |
4152 | flag_isNested = 0x2 |
4153 | }; |
4154 | |
4155 | /// The variable being captured. |
4156 | llvm::PointerIntPair<VarDecl*, 2> VariableAndFlags; |
4157 | |
4158 | /// The copy expression, expressed in terms of a DeclRef (or |
4159 | /// BlockDeclRef) to the captured variable. Only required if the |
4160 | /// variable has a C++ class type. |
4161 | Expr *CopyExpr; |
4162 | |
4163 | public: |
4164 | Capture(VarDecl *variable, bool byRef, bool nested, Expr *copy) |
4165 | : VariableAndFlags(variable, |
4166 | (byRef ? flag_isByRef : 0) | (nested ? flag_isNested : 0)), |
4167 | CopyExpr(copy) {} |
4168 | |
4169 | /// The variable being captured. |
4170 | VarDecl *getVariable() const { return VariableAndFlags.getPointer(); } |
4171 | |
4172 | /// Whether this is a "by ref" capture, i.e. a capture of a __block |
4173 | /// variable. |
4174 | bool isByRef() const { return VariableAndFlags.getInt() & flag_isByRef; } |
4175 | |
4176 | bool isEscapingByref() const { |
4177 | return getVariable()->isEscapingByref(); |
4178 | } |
4179 | |
4180 | bool isNonEscapingByref() const { |
4181 | return getVariable()->isNonEscapingByref(); |
4182 | } |
4183 | |
4184 | /// Whether this is a nested capture, i.e. the variable captured |
4185 | /// is not from outside the immediately enclosing function/block. |
4186 | bool isNested() const { return VariableAndFlags.getInt() & flag_isNested; } |
4187 | |
4188 | bool hasCopyExpr() const { return CopyExpr != nullptr; } |
4189 | Expr *getCopyExpr() const { return CopyExpr; } |
4190 | void setCopyExpr(Expr *e) { CopyExpr = e; } |
4191 | }; |
4192 | |
4193 | private: |
4194 | /// A new[]'d array of pointers to ParmVarDecls for the formal |
4195 | /// parameters of this function. This is null if a prototype or if there are |
4196 | /// no formals. |
4197 | ParmVarDecl **ParamInfo = nullptr; |
4198 | unsigned NumParams = 0; |
4199 | |
4200 | Stmt *Body = nullptr; |
4201 | TypeSourceInfo *SignatureAsWritten = nullptr; |
4202 | |
4203 | const Capture *Captures = nullptr; |
4204 | unsigned NumCaptures = 0; |
4205 | |
4206 | unsigned ManglingNumber = 0; |
4207 | Decl *ManglingContextDecl = nullptr; |
4208 | |
4209 | protected: |
4210 | BlockDecl(DeclContext *DC, SourceLocation CaretLoc); |
4211 | |
4212 | public: |
4213 | static BlockDecl *Create(ASTContext &C, DeclContext *DC, SourceLocation L); |
4214 | static BlockDecl *CreateDeserialized(ASTContext &C, unsigned ID); |
4215 | |
4216 | SourceLocation getCaretLocation() const { return getLocation(); } |
4217 | |
4218 | bool isVariadic() const { return BlockDeclBits.IsVariadic; } |
4219 | void setIsVariadic(bool value) { BlockDeclBits.IsVariadic = value; } |
4220 | |
4221 | CompoundStmt *getCompoundBody() const { return (CompoundStmt*) Body; } |
4222 | Stmt *getBody() const override { return (Stmt*) Body; } |
4223 | void setBody(CompoundStmt *B) { Body = (Stmt*) B; } |
4224 | |
4225 | void setSignatureAsWritten(TypeSourceInfo *Sig) { SignatureAsWritten = Sig; } |
4226 | TypeSourceInfo *getSignatureAsWritten() const { return SignatureAsWritten; } |
4227 | |
4228 | // ArrayRef access to formal parameters. |
4229 | ArrayRef<ParmVarDecl *> parameters() const { |
4230 | return {ParamInfo, getNumParams()}; |
4231 | } |
4232 | MutableArrayRef<ParmVarDecl *> parameters() { |
4233 | return {ParamInfo, getNumParams()}; |
4234 | } |
4235 | |
4236 | // Iterator access to formal parameters. |
4237 | using param_iterator = MutableArrayRef<ParmVarDecl *>::iterator; |
4238 | using param_const_iterator = ArrayRef<ParmVarDecl *>::const_iterator; |
4239 | |
4240 | bool param_empty() const { return parameters().empty(); } |
4241 | param_iterator param_begin() { return parameters().begin(); } |
4242 | param_iterator param_end() { return parameters().end(); } |
4243 | param_const_iterator param_begin() const { return parameters().begin(); } |
4244 | param_const_iterator param_end() const { return parameters().end(); } |
4245 | size_t param_size() const { return parameters().size(); } |
4246 | |
4247 | unsigned getNumParams() const { return NumParams; } |
4248 | |
4249 | const ParmVarDecl *getParamDecl(unsigned i) const { |
4250 | assert(i < getNumParams() && "Illegal param #")((void)0); |
4251 | return ParamInfo[i]; |
4252 | } |
4253 | ParmVarDecl *getParamDecl(unsigned i) { |
4254 | assert(i < getNumParams() && "Illegal param #")((void)0); |
4255 | return ParamInfo[i]; |
4256 | } |
4257 | |
4258 | void setParams(ArrayRef<ParmVarDecl *> NewParamInfo); |
4259 | |
4260 | /// True if this block (or its nested blocks) captures |
4261 | /// anything of local storage from its enclosing scopes. |
4262 | bool hasCaptures() const { return NumCaptures || capturesCXXThis(); } |
4263 | |
4264 | /// Returns the number of captured variables. |
4265 | /// Does not include an entry for 'this'. |
4266 | unsigned getNumCaptures() const { return NumCaptures; } |
4267 | |
4268 | using capture_const_iterator = ArrayRef<Capture>::const_iterator; |
4269 | |
4270 | ArrayRef<Capture> captures() const { return {Captures, NumCaptures}; } |
4271 | |
4272 | capture_const_iterator capture_begin() const { return captures().begin(); } |
4273 | capture_const_iterator capture_end() const { return captures().end(); } |
4274 | |
4275 | bool capturesCXXThis() const { return BlockDeclBits.CapturesCXXThis; } |
4276 | void setCapturesCXXThis(bool B = true) { BlockDeclBits.CapturesCXXThis = B; } |
4277 | |
4278 | bool blockMissingReturnType() const { |
4279 | return BlockDeclBits.BlockMissingReturnType; |
4280 | } |
4281 | |
4282 | void setBlockMissingReturnType(bool val = true) { |
4283 | BlockDeclBits.BlockMissingReturnType = val; |
4284 | } |
4285 | |
4286 | bool isConversionFromLambda() const { |
4287 | return BlockDeclBits.IsConversionFromLambda; |
4288 | } |
4289 | |
4290 | void setIsConversionFromLambda(bool val = true) { |
4291 | BlockDeclBits.IsConversionFromLambda = val; |
4292 | } |
4293 | |
4294 | bool doesNotEscape() const { return BlockDeclBits.DoesNotEscape; } |
4295 | void setDoesNotEscape(bool B = true) { BlockDeclBits.DoesNotEscape = B; } |
4296 | |
4297 | bool canAvoidCopyToHeap() const { |
4298 | return BlockDeclBits.CanAvoidCopyToHeap; |
4299 | } |
4300 | void setCanAvoidCopyToHeap(bool B = true) { |
4301 | BlockDeclBits.CanAvoidCopyToHeap = B; |
4302 | } |
4303 | |
4304 | bool capturesVariable(const VarDecl *var) const; |
4305 | |
4306 | void setCaptures(ASTContext &Context, ArrayRef<Capture> Captures, |
4307 | bool CapturesCXXThis); |
4308 | |
4309 | unsigned getBlockManglingNumber() const { return ManglingNumber; } |
4310 | |
4311 | Decl *getBlockManglingContextDecl() const { return ManglingContextDecl; } |
4312 | |
4313 | void setBlockMangling(unsigned Number, Decl *Ctx) { |
4314 | ManglingNumber = Number; |
4315 | ManglingContextDecl = Ctx; |
4316 | } |
4317 | |
4318 | SourceRange getSourceRange() const override LLVM_READONLY__attribute__((__pure__)); |
4319 | |
4320 | // Implement isa/cast/dyncast/etc. |
4321 | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
4322 | static bool classofKind(Kind K) { return K == Block; } |
4323 | static DeclContext *castToDeclContext(const BlockDecl *D) { |
4324 | return static_cast<DeclContext *>(const_cast<BlockDecl*>(D)); |
4325 | } |
4326 | static BlockDecl *castFromDeclContext(const DeclContext *DC) { |
4327 | return static_cast<BlockDecl *>(const_cast<DeclContext*>(DC)); |
4328 | } |
4329 | }; |
4330 | |
4331 | /// Represents the body of a CapturedStmt, and serves as its DeclContext. |
4332 | class CapturedDecl final |
4333 | : public Decl, |
4334 | public DeclContext, |
4335 | private llvm::TrailingObjects<CapturedDecl, ImplicitParamDecl *> { |
4336 | protected: |
4337 | size_t numTrailingObjects(OverloadToken<ImplicitParamDecl>) { |
4338 | return NumParams; |
4339 | } |
4340 | |
4341 | private: |
4342 | /// The number of parameters to the outlined function. |
4343 | unsigned NumParams; |
4344 | |
4345 | /// The position of context parameter in list of parameters. |
4346 | unsigned ContextParam; |
4347 | |
4348 | /// The body of the outlined function. |
4349 | llvm::PointerIntPair<Stmt *, 1, bool> BodyAndNothrow; |
4350 | |
4351 | explicit CapturedDecl(DeclContext *DC, unsigned NumParams); |
4352 | |
4353 | ImplicitParamDecl *const *getParams() const { |
4354 | return getTrailingObjects<ImplicitParamDecl *>(); |
4355 | } |
4356 | |
4357 | ImplicitParamDecl **getParams() { |
4358 | return getTrailingObjects<ImplicitParamDecl *>(); |
4359 | } |
4360 | |
4361 | public: |
4362 | friend class ASTDeclReader; |
4363 | friend class ASTDeclWriter; |
4364 | friend TrailingObjects; |
4365 | |
4366 | static CapturedDecl *Create(ASTContext &C, DeclContext *DC, |
4367 | unsigned NumParams); |
4368 | static CapturedDecl *CreateDeserialized(ASTContext &C, unsigned ID, |
4369 | unsigned NumParams); |
4370 | |
4371 | Stmt *getBody() const override; |
4372 | void setBody(Stmt *B); |
4373 | |
4374 | bool isNothrow() const; |
4375 | void setNothrow(bool Nothrow = true); |
4376 | |
4377 | unsigned getNumParams() const { return NumParams; } |
4378 | |
4379 | ImplicitParamDecl *getParam(unsigned i) const { |
4380 | assert(i < NumParams)((void)0); |
4381 | return getParams()[i]; |
4382 | } |
4383 | void setParam(unsigned i, ImplicitParamDecl *P) { |
4384 | assert(i < NumParams)((void)0); |
4385 | getParams()[i] = P; |
4386 | } |
4387 | |
4388 | // ArrayRef interface to parameters. |
4389 | ArrayRef<ImplicitParamDecl *> parameters() const { |
4390 | return {getParams(), getNumParams()}; |
4391 | } |
4392 | MutableArrayRef<ImplicitParamDecl *> parameters() { |
4393 | return {getParams(), getNumParams()}; |
4394 | } |
4395 | |
4396 | /// Retrieve the parameter containing captured variables. |
4397 | ImplicitParamDecl *getContextParam() const { |
4398 | assert(ContextParam < NumParams)((void)0); |
4399 | return getParam(ContextParam); |
4400 | } |
4401 | void setContextParam(unsigned i, ImplicitParamDecl *P) { |
4402 | assert(i < NumParams)((void)0); |
4403 | ContextParam = i; |
4404 | setParam(i, P); |
4405 | } |
4406 | unsigned getContextParamPosition() const { return ContextParam; } |
4407 | |
4408 | using param_iterator = ImplicitParamDecl *const *; |
4409 | using param_range = llvm::iterator_range<param_iterator>; |
4410 | |
4411 | /// Retrieve an iterator pointing to the first parameter decl. |
4412 | param_iterator param_begin() const { return getParams(); } |
4413 | /// Retrieve an iterator one past the last parameter decl. |
4414 | param_iterator param_end() const { return getParams() + NumParams; } |
4415 | |
4416 | // Implement isa/cast/dyncast/etc. |
4417 | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
4418 | static bool classofKind(Kind K) { return K == Captured; } |
4419 | static DeclContext *castToDeclContext(const CapturedDecl *D) { |
4420 | return static_cast<DeclContext *>(const_cast<CapturedDecl *>(D)); |
4421 | } |
4422 | static CapturedDecl *castFromDeclContext(const DeclContext *DC) { |
4423 | return static_cast<CapturedDecl *>(const_cast<DeclContext *>(DC)); |
4424 | } |
4425 | }; |
4426 | |
4427 | /// Describes a module import declaration, which makes the contents |
4428 | /// of the named module visible in the current translation unit. |
4429 | /// |
4430 | /// An import declaration imports the named module (or submodule). For example: |
4431 | /// \code |
4432 | /// @import std.vector; |
4433 | /// \endcode |
4434 | /// |
4435 | /// Import declarations can also be implicitly generated from |
4436 | /// \#include/\#import directives. |
4437 | class ImportDecl final : public Decl, |
4438 | llvm::TrailingObjects<ImportDecl, SourceLocation> { |
4439 | friend class ASTContext; |
4440 | friend class ASTDeclReader; |
4441 | friend class ASTReader; |
4442 | friend TrailingObjects; |
4443 | |
4444 | /// The imported module. |
4445 | Module *ImportedModule = nullptr; |
4446 | |
4447 | /// The next import in the list of imports local to the translation |
4448 | /// unit being parsed (not loaded from an AST file). |
4449 | /// |
4450 | /// Includes a bit that indicates whether we have source-location information |
4451 | /// for each identifier in the module name. |
4452 | /// |
4453 | /// When the bit is false, we only have a single source location for the |
4454 | /// end of the import declaration. |
4455 | llvm::PointerIntPair<ImportDecl *, 1, bool> NextLocalImportAndComplete; |
4456 | |
4457 | ImportDecl(DeclContext *DC, SourceLocation StartLoc, Module *Imported, |
4458 | ArrayRef<SourceLocation> IdentifierLocs); |
4459 | |
4460 | ImportDecl(DeclContext *DC, SourceLocation StartLoc, Module *Imported, |
4461 | SourceLocation EndLoc); |
4462 | |
4463 | ImportDecl(EmptyShell Empty) : Decl(Import, Empty) {} |
4464 | |
4465 | bool isImportComplete() const { return NextLocalImportAndComplete.getInt(); } |
4466 | |
4467 | void setImportComplete(bool C) { NextLocalImportAndComplete.setInt(C); } |
4468 | |
4469 | /// The next import in the list of imports local to the translation |
4470 | /// unit being parsed (not loaded from an AST file). |
4471 | ImportDecl *getNextLocalImport() const { |
4472 | return NextLocalImportAndComplete.getPointer(); |
4473 | } |
4474 | |
4475 | void setNextLocalImport(ImportDecl *Import) { |
4476 | NextLocalImportAndComplete.setPointer(Import); |
4477 | } |
4478 | |
4479 | public: |
4480 | /// Create a new module import declaration. |
4481 | static ImportDecl *Create(ASTContext &C, DeclContext *DC, |
4482 | SourceLocation StartLoc, Module *Imported, |
4483 | ArrayRef<SourceLocation> IdentifierLocs); |
4484 | |
4485 | /// Create a new module import declaration for an implicitly-generated |
4486 | /// import. |
4487 | static ImportDecl *CreateImplicit(ASTContext &C, DeclContext *DC, |
4488 | SourceLocation StartLoc, Module *Imported, |
4489 | SourceLocation EndLoc); |
4490 | |
4491 | /// Create a new, deserialized module import declaration. |
4492 | static ImportDecl *CreateDeserialized(ASTContext &C, unsigned ID, |
4493 | unsigned NumLocations); |
4494 | |
4495 | /// Retrieve the module that was imported by the import declaration. |
4496 | Module *getImportedModule() const { return ImportedModule; } |
4497 | |
4498 | /// Retrieves the locations of each of the identifiers that make up |
4499 | /// the complete module name in the import declaration. |
4500 | /// |
4501 | /// This will return an empty array if the locations of the individual |
4502 | /// identifiers aren't available. |
4503 | ArrayRef<SourceLocation> getIdentifierLocs() const; |
4504 | |
4505 | SourceRange getSourceRange() const override LLVM_READONLY__attribute__((__pure__)); |
4506 | |
4507 | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
4508 | static bool classofKind(Kind K) { return K == Import; } |
4509 | }; |
4510 | |
4511 | /// Represents a C++ Modules TS module export declaration. |
4512 | /// |
4513 | /// For example: |
4514 | /// \code |
4515 | /// export void foo(); |
4516 | /// \endcode |
4517 | class ExportDecl final : public Decl, public DeclContext { |
4518 | virtual void anchor(); |
4519 | |
4520 | private: |
4521 | friend class ASTDeclReader; |
4522 | |
4523 | /// The source location for the right brace (if valid). |
4524 | SourceLocation RBraceLoc; |
4525 | |
4526 | ExportDecl(DeclContext *DC, SourceLocation ExportLoc) |
4527 | : Decl(Export, DC, ExportLoc), DeclContext(Export), |
4528 | RBraceLoc(SourceLocation()) {} |
4529 | |
4530 | public: |
4531 | static ExportDecl *Create(ASTContext &C, DeclContext *DC, |
4532 | SourceLocation ExportLoc); |
4533 | static ExportDecl *CreateDeserialized(ASTContext &C, unsigned ID); |
4534 | |
4535 | SourceLocation getExportLoc() const { return getLocation(); } |
4536 | SourceLocation getRBraceLoc() const { return RBraceLoc; } |
4537 | void setRBraceLoc(SourceLocation L) { RBraceLoc = L; } |
4538 | |
4539 | bool hasBraces() const { return RBraceLoc.isValid(); } |
4540 | |
4541 | SourceLocation getEndLoc() const LLVM_READONLY__attribute__((__pure__)) { |
4542 | if (hasBraces()) |
4543 | return RBraceLoc; |
4544 | // No braces: get the end location of the (only) declaration in context |
4545 | // (if present). |
4546 | return decls_empty() ? getLocation() : decls_begin()->getEndLoc(); |
4547 | } |
4548 | |
4549 | SourceRange getSourceRange() const override LLVM_READONLY__attribute__((__pure__)) { |
4550 | return SourceRange(getLocation(), getEndLoc()); |
4551 | } |
4552 | |
4553 | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
4554 | static bool classofKind(Kind K) { return K == Export; } |
4555 | static DeclContext *castToDeclContext(const ExportDecl *D) { |
4556 | return static_cast<DeclContext *>(const_cast<ExportDecl*>(D)); |
4557 | } |
4558 | static ExportDecl *castFromDeclContext(const DeclContext *DC) { |
4559 | return static_cast<ExportDecl *>(const_cast<DeclContext*>(DC)); |
4560 | } |
4561 | }; |
4562 | |
4563 | /// Represents an empty-declaration. |
4564 | class EmptyDecl : public Decl { |
4565 | EmptyDecl(DeclContext *DC, SourceLocation L) : Decl(Empty, DC, L) {} |
4566 | |
4567 | virtual void anchor(); |
4568 | |
4569 | public: |
4570 | static EmptyDecl *Create(ASTContext &C, DeclContext *DC, |
4571 | SourceLocation L); |
4572 | static EmptyDecl *CreateDeserialized(ASTContext &C, unsigned ID); |
4573 | |
4574 | static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
4575 | static bool classofKind(Kind K) { return K == Empty; } |
4576 | }; |
4577 | |
4578 | /// Insertion operator for diagnostics. This allows sending NamedDecl's |
4579 | /// into a diagnostic with <<. |
4580 | inline const StreamingDiagnostic &operator<<(const StreamingDiagnostic &PD, |
4581 | const NamedDecl *ND) { |
4582 | PD.AddTaggedVal(reinterpret_cast<intptr_t>(ND), |
4583 | DiagnosticsEngine::ak_nameddecl); |
4584 | return PD; |
4585 | } |
4586 | |
4587 | template<typename decl_type> |
4588 | void Redeclarable<decl_type>::setPreviousDecl(decl_type *PrevDecl) { |
4589 | // Note: This routine is implemented here because we need both NamedDecl |
4590 | // and Redeclarable to be defined. |
4591 | assert(RedeclLink.isFirst() &&((void)0) |
4592 | "setPreviousDecl on a decl already in a redeclaration chain")((void)0); |
4593 | |
4594 | if (PrevDecl) { |
4595 | // Point to previous. Make sure that this is actually the most recent |
4596 | // redeclaration, or we can build invalid chains. If the most recent |
4597 | // redeclaration is invalid, it won't be PrevDecl, but we want it anyway. |
4598 | First = PrevDecl->getFirstDecl(); |
4599 | assert(First->RedeclLink.isFirst() && "Expected first")((void)0); |
4600 | decl_type *MostRecent = First->getNextRedeclaration(); |
4601 | RedeclLink = PreviousDeclLink(cast<decl_type>(MostRecent)); |
4602 | |
4603 | // If the declaration was previously visible, a redeclaration of it remains |
4604 | // visible even if it wouldn't be visible by itself. |
4605 | static_cast<decl_type*>(this)->IdentifierNamespace |= |
4606 | MostRecent->getIdentifierNamespace() & |
4607 | (Decl::IDNS_Ordinary | Decl::IDNS_Tag | Decl::IDNS_Type); |
4608 | } else { |
4609 | // Make this first. |
4610 | First = static_cast<decl_type*>(this); |
4611 | } |
4612 | |
4613 | // First one will point to this one as latest. |
4614 | First->RedeclLink.setLatest(static_cast<decl_type*>(this)); |
4615 | |
4616 | assert(!isa<NamedDecl>(static_cast<decl_type*>(this)) ||((void)0) |
4617 | cast<NamedDecl>(static_cast<decl_type*>(this))->isLinkageValid())((void)0); |
4618 | } |
4619 | |
4620 | // Inline function definitions. |
4621 | |
4622 | /// Check if the given decl is complete. |
4623 | /// |
4624 | /// We use this function to break a cycle between the inline definitions in |
4625 | /// Type.h and Decl.h. |
4626 | inline bool IsEnumDeclComplete(EnumDecl *ED) { |
4627 | return ED->isComplete(); |
4628 | } |
4629 | |
4630 | /// Check if the given decl is scoped. |
4631 | /// |
4632 | /// We use this function to break a cycle between the inline definitions in |
4633 | /// Type.h and Decl.h. |
4634 | inline bool IsEnumDeclScoped(EnumDecl *ED) { |
4635 | return ED->isScoped(); |
4636 | } |
4637 | |
4638 | /// OpenMP variants are mangled early based on their OpenMP context selector. |
4639 | /// The new name looks likes this: |
4640 | /// <name> + OpenMPVariantManglingSeparatorStr + <mangled OpenMP context> |
4641 | static constexpr StringRef getOpenMPVariantManglingSeparatorStr() { |
4642 | return "$ompvariant"; |
4643 | } |
4644 | |
4645 | } // namespace clang |
4646 | |
4647 | #endif // LLVM_CLANG_AST_DECL_H |