File: | tools/clang/lib/Sema/SemaOpenMP.cpp |
Warning: | line 1360, column 38 Called C++ object pointer is null |
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1 | //===--- SemaOpenMP.cpp - Semantic Analysis for OpenMP constructs ---------===// | |||
2 | // | |||
3 | // The LLVM Compiler Infrastructure | |||
4 | // | |||
5 | // This file is distributed under the University of Illinois Open Source | |||
6 | // License. See LICENSE.TXT for details. | |||
7 | // | |||
8 | //===----------------------------------------------------------------------===// | |||
9 | /// \file | |||
10 | /// \brief This file implements semantic analysis for OpenMP directives and | |||
11 | /// clauses. | |||
12 | /// | |||
13 | //===----------------------------------------------------------------------===// | |||
14 | ||||
15 | #include "TreeTransform.h" | |||
16 | #include "clang/AST/ASTContext.h" | |||
17 | #include "clang/AST/ASTMutationListener.h" | |||
18 | #include "clang/AST/CXXInheritance.h" | |||
19 | #include "clang/AST/Decl.h" | |||
20 | #include "clang/AST/DeclCXX.h" | |||
21 | #include "clang/AST/DeclOpenMP.h" | |||
22 | #include "clang/AST/StmtCXX.h" | |||
23 | #include "clang/AST/StmtOpenMP.h" | |||
24 | #include "clang/AST/StmtVisitor.h" | |||
25 | #include "clang/Basic/OpenMPKinds.h" | |||
26 | #include "clang/Sema/Initialization.h" | |||
27 | #include "clang/Sema/Lookup.h" | |||
28 | #include "clang/Sema/Scope.h" | |||
29 | #include "clang/Sema/ScopeInfo.h" | |||
30 | #include "clang/Sema/SemaInternal.h" | |||
31 | #include "llvm/ADT/PointerEmbeddedInt.h" | |||
32 | using namespace clang; | |||
33 | ||||
34 | //===----------------------------------------------------------------------===// | |||
35 | // Stack of data-sharing attributes for variables | |||
36 | //===----------------------------------------------------------------------===// | |||
37 | ||||
38 | static Expr *CheckMapClauseExpressionBase( | |||
39 | Sema &SemaRef, Expr *E, | |||
40 | OMPClauseMappableExprCommon::MappableExprComponentList &CurComponents, | |||
41 | OpenMPClauseKind CKind, bool NoDiagnose); | |||
42 | ||||
43 | namespace { | |||
44 | /// \brief Default data sharing attributes, which can be applied to directive. | |||
45 | enum DefaultDataSharingAttributes { | |||
46 | DSA_unspecified = 0, /// \brief Data sharing attribute not specified. | |||
47 | DSA_none = 1 << 0, /// \brief Default data sharing attribute 'none'. | |||
48 | DSA_shared = 1 << 1, /// \brief Default data sharing attribute 'shared'. | |||
49 | }; | |||
50 | ||||
51 | /// Attributes of the defaultmap clause. | |||
52 | enum DefaultMapAttributes { | |||
53 | DMA_unspecified, /// Default mapping is not specified. | |||
54 | DMA_tofrom_scalar, /// Default mapping is 'tofrom:scalar'. | |||
55 | }; | |||
56 | ||||
57 | /// \brief Stack for tracking declarations used in OpenMP directives and | |||
58 | /// clauses and their data-sharing attributes. | |||
59 | class DSAStackTy final { | |||
60 | public: | |||
61 | struct DSAVarData final { | |||
62 | OpenMPDirectiveKind DKind = OMPD_unknown; | |||
63 | OpenMPClauseKind CKind = OMPC_unknown; | |||
64 | Expr *RefExpr = nullptr; | |||
65 | DeclRefExpr *PrivateCopy = nullptr; | |||
66 | SourceLocation ImplicitDSALoc; | |||
67 | DSAVarData() = default; | |||
68 | DSAVarData(OpenMPDirectiveKind DKind, OpenMPClauseKind CKind, Expr *RefExpr, | |||
69 | DeclRefExpr *PrivateCopy, SourceLocation ImplicitDSALoc) | |||
70 | : DKind(DKind), CKind(CKind), RefExpr(RefExpr), | |||
71 | PrivateCopy(PrivateCopy), ImplicitDSALoc(ImplicitDSALoc) {} | |||
72 | }; | |||
73 | typedef llvm::SmallVector<std::pair<Expr *, OverloadedOperatorKind>, 4> | |||
74 | OperatorOffsetTy; | |||
75 | ||||
76 | private: | |||
77 | struct DSAInfo final { | |||
78 | OpenMPClauseKind Attributes = OMPC_unknown; | |||
79 | /// Pointer to a reference expression and a flag which shows that the | |||
80 | /// variable is marked as lastprivate(true) or not (false). | |||
81 | llvm::PointerIntPair<Expr *, 1, bool> RefExpr; | |||
82 | DeclRefExpr *PrivateCopy = nullptr; | |||
83 | }; | |||
84 | typedef llvm::DenseMap<ValueDecl *, DSAInfo> DeclSAMapTy; | |||
85 | typedef llvm::DenseMap<ValueDecl *, Expr *> AlignedMapTy; | |||
86 | typedef std::pair<unsigned, VarDecl *> LCDeclInfo; | |||
87 | typedef llvm::DenseMap<ValueDecl *, LCDeclInfo> LoopControlVariablesMapTy; | |||
88 | /// Struct that associates a component with the clause kind where they are | |||
89 | /// found. | |||
90 | struct MappedExprComponentTy { | |||
91 | OMPClauseMappableExprCommon::MappableExprComponentLists Components; | |||
92 | OpenMPClauseKind Kind = OMPC_unknown; | |||
93 | }; | |||
94 | typedef llvm::DenseMap<ValueDecl *, MappedExprComponentTy> | |||
95 | MappedExprComponentsTy; | |||
96 | typedef llvm::StringMap<std::pair<OMPCriticalDirective *, llvm::APSInt>> | |||
97 | CriticalsWithHintsTy; | |||
98 | typedef llvm::DenseMap<OMPDependClause *, OperatorOffsetTy> | |||
99 | DoacrossDependMapTy; | |||
100 | struct ReductionData { | |||
101 | typedef llvm::PointerEmbeddedInt<BinaryOperatorKind, 16> BOKPtrType; | |||
102 | SourceRange ReductionRange; | |||
103 | llvm::PointerUnion<const Expr *, BOKPtrType> ReductionOp; | |||
104 | ReductionData() = default; | |||
105 | void set(BinaryOperatorKind BO, SourceRange RR) { | |||
106 | ReductionRange = RR; | |||
107 | ReductionOp = BO; | |||
108 | } | |||
109 | void set(const Expr *RefExpr, SourceRange RR) { | |||
110 | ReductionRange = RR; | |||
111 | ReductionOp = RefExpr; | |||
112 | } | |||
113 | }; | |||
114 | typedef llvm::DenseMap<ValueDecl *, ReductionData> DeclReductionMapTy; | |||
115 | ||||
116 | struct SharingMapTy final { | |||
117 | DeclSAMapTy SharingMap; | |||
118 | DeclReductionMapTy ReductionMap; | |||
119 | AlignedMapTy AlignedMap; | |||
120 | MappedExprComponentsTy MappedExprComponents; | |||
121 | LoopControlVariablesMapTy LCVMap; | |||
122 | DefaultDataSharingAttributes DefaultAttr = DSA_unspecified; | |||
123 | SourceLocation DefaultAttrLoc; | |||
124 | DefaultMapAttributes DefaultMapAttr = DMA_unspecified; | |||
125 | SourceLocation DefaultMapAttrLoc; | |||
126 | OpenMPDirectiveKind Directive = OMPD_unknown; | |||
127 | DeclarationNameInfo DirectiveName; | |||
128 | Scope *CurScope = nullptr; | |||
129 | SourceLocation ConstructLoc; | |||
130 | /// Set of 'depend' clauses with 'sink|source' dependence kind. Required to | |||
131 | /// get the data (loop counters etc.) about enclosing loop-based construct. | |||
132 | /// This data is required during codegen. | |||
133 | DoacrossDependMapTy DoacrossDepends; | |||
134 | /// \brief first argument (Expr *) contains optional argument of the | |||
135 | /// 'ordered' clause, the second one is true if the regions has 'ordered' | |||
136 | /// clause, false otherwise. | |||
137 | llvm::PointerIntPair<Expr *, 1, bool> OrderedRegion; | |||
138 | bool NowaitRegion = false; | |||
139 | bool CancelRegion = false; | |||
140 | unsigned AssociatedLoops = 1; | |||
141 | SourceLocation InnerTeamsRegionLoc; | |||
142 | /// Reference to the taskgroup task_reduction reference expression. | |||
143 | Expr *TaskgroupReductionRef = nullptr; | |||
144 | SharingMapTy(OpenMPDirectiveKind DKind, DeclarationNameInfo Name, | |||
145 | Scope *CurScope, SourceLocation Loc) | |||
146 | : Directive(DKind), DirectiveName(Name), CurScope(CurScope), | |||
147 | ConstructLoc(Loc) {} | |||
148 | SharingMapTy() = default; | |||
149 | }; | |||
150 | ||||
151 | typedef SmallVector<SharingMapTy, 4> StackTy; | |||
152 | ||||
153 | /// \brief Stack of used declaration and their data-sharing attributes. | |||
154 | DeclSAMapTy Threadprivates; | |||
155 | const FunctionScopeInfo *CurrentNonCapturingFunctionScope = nullptr; | |||
156 | SmallVector<std::pair<StackTy, const FunctionScopeInfo *>, 4> Stack; | |||
157 | /// \brief true, if check for DSA must be from parent directive, false, if | |||
158 | /// from current directive. | |||
159 | OpenMPClauseKind ClauseKindMode = OMPC_unknown; | |||
160 | Sema &SemaRef; | |||
161 | bool ForceCapturing = false; | |||
162 | CriticalsWithHintsTy Criticals; | |||
163 | ||||
164 | typedef SmallVector<SharingMapTy, 8>::reverse_iterator reverse_iterator; | |||
165 | ||||
166 | DSAVarData getDSA(StackTy::reverse_iterator &Iter, ValueDecl *D); | |||
167 | ||||
168 | /// \brief Checks if the variable is a local for OpenMP region. | |||
169 | bool isOpenMPLocal(VarDecl *D, StackTy::reverse_iterator Iter); | |||
170 | ||||
171 | bool isStackEmpty() const { | |||
172 | return Stack.empty() || | |||
173 | Stack.back().second != CurrentNonCapturingFunctionScope || | |||
174 | Stack.back().first.empty(); | |||
175 | } | |||
176 | ||||
177 | public: | |||
178 | explicit DSAStackTy(Sema &S) : SemaRef(S) {} | |||
179 | ||||
180 | bool isClauseParsingMode() const { return ClauseKindMode != OMPC_unknown; } | |||
181 | OpenMPClauseKind getClauseParsingMode() const { | |||
182 | assert(isClauseParsingMode() && "Must be in clause parsing mode.")(static_cast <bool> (isClauseParsingMode() && "Must be in clause parsing mode." ) ? void (0) : __assert_fail ("isClauseParsingMode() && \"Must be in clause parsing mode.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 182, __extension__ __PRETTY_FUNCTION__)); | |||
183 | return ClauseKindMode; | |||
184 | } | |||
185 | void setClauseParsingMode(OpenMPClauseKind K) { ClauseKindMode = K; } | |||
186 | ||||
187 | bool isForceVarCapturing() const { return ForceCapturing; } | |||
188 | void setForceVarCapturing(bool V) { ForceCapturing = V; } | |||
189 | ||||
190 | void push(OpenMPDirectiveKind DKind, const DeclarationNameInfo &DirName, | |||
191 | Scope *CurScope, SourceLocation Loc) { | |||
192 | if (Stack.empty() || | |||
193 | Stack.back().second != CurrentNonCapturingFunctionScope) | |||
194 | Stack.emplace_back(StackTy(), CurrentNonCapturingFunctionScope); | |||
195 | Stack.back().first.emplace_back(DKind, DirName, CurScope, Loc); | |||
196 | Stack.back().first.back().DefaultAttrLoc = Loc; | |||
197 | } | |||
198 | ||||
199 | void pop() { | |||
200 | assert(!Stack.back().first.empty() &&(static_cast <bool> (!Stack.back().first.empty() && "Data-sharing attributes stack is empty!") ? void (0) : __assert_fail ("!Stack.back().first.empty() && \"Data-sharing attributes stack is empty!\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 201, __extension__ __PRETTY_FUNCTION__)) | |||
201 | "Data-sharing attributes stack is empty!")(static_cast <bool> (!Stack.back().first.empty() && "Data-sharing attributes stack is empty!") ? void (0) : __assert_fail ("!Stack.back().first.empty() && \"Data-sharing attributes stack is empty!\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 201, __extension__ __PRETTY_FUNCTION__)); | |||
202 | Stack.back().first.pop_back(); | |||
203 | } | |||
204 | ||||
205 | /// Start new OpenMP region stack in new non-capturing function. | |||
206 | void pushFunction() { | |||
207 | const FunctionScopeInfo *CurFnScope = SemaRef.getCurFunction(); | |||
208 | assert(!isa<CapturingScopeInfo>(CurFnScope))(static_cast <bool> (!isa<CapturingScopeInfo>(CurFnScope )) ? void (0) : __assert_fail ("!isa<CapturingScopeInfo>(CurFnScope)" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 208, __extension__ __PRETTY_FUNCTION__)); | |||
209 | CurrentNonCapturingFunctionScope = CurFnScope; | |||
210 | } | |||
211 | /// Pop region stack for non-capturing function. | |||
212 | void popFunction(const FunctionScopeInfo *OldFSI) { | |||
213 | if (!Stack.empty() && Stack.back().second == OldFSI) { | |||
214 | assert(Stack.back().first.empty())(static_cast <bool> (Stack.back().first.empty()) ? void (0) : __assert_fail ("Stack.back().first.empty()", "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 214, __extension__ __PRETTY_FUNCTION__)); | |||
215 | Stack.pop_back(); | |||
216 | } | |||
217 | CurrentNonCapturingFunctionScope = nullptr; | |||
218 | for (const FunctionScopeInfo *FSI : llvm::reverse(SemaRef.FunctionScopes)) { | |||
219 | if (!isa<CapturingScopeInfo>(FSI)) { | |||
220 | CurrentNonCapturingFunctionScope = FSI; | |||
221 | break; | |||
222 | } | |||
223 | } | |||
224 | } | |||
225 | ||||
226 | void addCriticalWithHint(OMPCriticalDirective *D, llvm::APSInt Hint) { | |||
227 | Criticals[D->getDirectiveName().getAsString()] = std::make_pair(D, Hint); | |||
228 | } | |||
229 | const std::pair<OMPCriticalDirective *, llvm::APSInt> | |||
230 | getCriticalWithHint(const DeclarationNameInfo &Name) const { | |||
231 | auto I = Criticals.find(Name.getAsString()); | |||
232 | if (I != Criticals.end()) | |||
233 | return I->second; | |||
234 | return std::make_pair(nullptr, llvm::APSInt()); | |||
235 | } | |||
236 | /// \brief If 'aligned' declaration for given variable \a D was not seen yet, | |||
237 | /// add it and return NULL; otherwise return previous occurrence's expression | |||
238 | /// for diagnostics. | |||
239 | Expr *addUniqueAligned(ValueDecl *D, Expr *NewDE); | |||
240 | ||||
241 | /// \brief Register specified variable as loop control variable. | |||
242 | void addLoopControlVariable(ValueDecl *D, VarDecl *Capture); | |||
243 | /// \brief Check if the specified variable is a loop control variable for | |||
244 | /// current region. | |||
245 | /// \return The index of the loop control variable in the list of associated | |||
246 | /// for-loops (from outer to inner). | |||
247 | LCDeclInfo isLoopControlVariable(ValueDecl *D); | |||
248 | /// \brief Check if the specified variable is a loop control variable for | |||
249 | /// parent region. | |||
250 | /// \return The index of the loop control variable in the list of associated | |||
251 | /// for-loops (from outer to inner). | |||
252 | LCDeclInfo isParentLoopControlVariable(ValueDecl *D); | |||
253 | /// \brief Get the loop control variable for the I-th loop (or nullptr) in | |||
254 | /// parent directive. | |||
255 | ValueDecl *getParentLoopControlVariable(unsigned I); | |||
256 | ||||
257 | /// \brief Adds explicit data sharing attribute to the specified declaration. | |||
258 | void addDSA(ValueDecl *D, Expr *E, OpenMPClauseKind A, | |||
259 | DeclRefExpr *PrivateCopy = nullptr); | |||
260 | ||||
261 | /// Adds additional information for the reduction items with the reduction id | |||
262 | /// represented as an operator. | |||
263 | void addTaskgroupReductionData(ValueDecl *D, SourceRange SR, | |||
264 | BinaryOperatorKind BOK); | |||
265 | /// Adds additional information for the reduction items with the reduction id | |||
266 | /// represented as reduction identifier. | |||
267 | void addTaskgroupReductionData(ValueDecl *D, SourceRange SR, | |||
268 | const Expr *ReductionRef); | |||
269 | /// Returns the location and reduction operation from the innermost parent | |||
270 | /// region for the given \p D. | |||
271 | DSAVarData getTopMostTaskgroupReductionData(ValueDecl *D, SourceRange &SR, | |||
272 | BinaryOperatorKind &BOK, | |||
273 | Expr *&TaskgroupDescriptor); | |||
274 | /// Returns the location and reduction operation from the innermost parent | |||
275 | /// region for the given \p D. | |||
276 | DSAVarData getTopMostTaskgroupReductionData(ValueDecl *D, SourceRange &SR, | |||
277 | const Expr *&ReductionRef, | |||
278 | Expr *&TaskgroupDescriptor); | |||
279 | /// Return reduction reference expression for the current taskgroup. | |||
280 | Expr *getTaskgroupReductionRef() const { | |||
281 | assert(Stack.back().first.back().Directive == OMPD_taskgroup &&(static_cast <bool> (Stack.back().first.back().Directive == OMPD_taskgroup && "taskgroup reference expression requested for non taskgroup " "directive.") ? void (0) : __assert_fail ("Stack.back().first.back().Directive == OMPD_taskgroup && \"taskgroup reference expression requested for non taskgroup \" \"directive.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 283, __extension__ __PRETTY_FUNCTION__)) | |||
282 | "taskgroup reference expression requested for non taskgroup "(static_cast <bool> (Stack.back().first.back().Directive == OMPD_taskgroup && "taskgroup reference expression requested for non taskgroup " "directive.") ? void (0) : __assert_fail ("Stack.back().first.back().Directive == OMPD_taskgroup && \"taskgroup reference expression requested for non taskgroup \" \"directive.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 283, __extension__ __PRETTY_FUNCTION__)) | |||
283 | "directive.")(static_cast <bool> (Stack.back().first.back().Directive == OMPD_taskgroup && "taskgroup reference expression requested for non taskgroup " "directive.") ? void (0) : __assert_fail ("Stack.back().first.back().Directive == OMPD_taskgroup && \"taskgroup reference expression requested for non taskgroup \" \"directive.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 283, __extension__ __PRETTY_FUNCTION__)); | |||
284 | return Stack.back().first.back().TaskgroupReductionRef; | |||
285 | } | |||
286 | /// Checks if the given \p VD declaration is actually a taskgroup reduction | |||
287 | /// descriptor variable at the \p Level of OpenMP regions. | |||
288 | bool isTaskgroupReductionRef(ValueDecl *VD, unsigned Level) const { | |||
289 | return Stack.back().first[Level].TaskgroupReductionRef && | |||
290 | cast<DeclRefExpr>(Stack.back().first[Level].TaskgroupReductionRef) | |||
291 | ->getDecl() == VD; | |||
292 | } | |||
293 | ||||
294 | /// \brief Returns data sharing attributes from top of the stack for the | |||
295 | /// specified declaration. | |||
296 | DSAVarData getTopDSA(ValueDecl *D, bool FromParent); | |||
297 | /// \brief Returns data-sharing attributes for the specified declaration. | |||
298 | DSAVarData getImplicitDSA(ValueDecl *D, bool FromParent); | |||
299 | /// \brief Checks if the specified variables has data-sharing attributes which | |||
300 | /// match specified \a CPred predicate in any directive which matches \a DPred | |||
301 | /// predicate. | |||
302 | DSAVarData hasDSA(ValueDecl *D, | |||
303 | const llvm::function_ref<bool(OpenMPClauseKind)> &CPred, | |||
304 | const llvm::function_ref<bool(OpenMPDirectiveKind)> &DPred, | |||
305 | bool FromParent); | |||
306 | /// \brief Checks if the specified variables has data-sharing attributes which | |||
307 | /// match specified \a CPred predicate in any innermost directive which | |||
308 | /// matches \a DPred predicate. | |||
309 | DSAVarData | |||
310 | hasInnermostDSA(ValueDecl *D, | |||
311 | const llvm::function_ref<bool(OpenMPClauseKind)> &CPred, | |||
312 | const llvm::function_ref<bool(OpenMPDirectiveKind)> &DPred, | |||
313 | bool FromParent); | |||
314 | /// \brief Checks if the specified variables has explicit data-sharing | |||
315 | /// attributes which match specified \a CPred predicate at the specified | |||
316 | /// OpenMP region. | |||
317 | bool hasExplicitDSA(ValueDecl *D, | |||
318 | const llvm::function_ref<bool(OpenMPClauseKind)> &CPred, | |||
319 | unsigned Level, bool NotLastprivate = false); | |||
320 | ||||
321 | /// \brief Returns true if the directive at level \Level matches in the | |||
322 | /// specified \a DPred predicate. | |||
323 | bool hasExplicitDirective( | |||
324 | const llvm::function_ref<bool(OpenMPDirectiveKind)> &DPred, | |||
325 | unsigned Level); | |||
326 | ||||
327 | /// \brief Finds a directive which matches specified \a DPred predicate. | |||
328 | bool hasDirective(const llvm::function_ref<bool(OpenMPDirectiveKind, | |||
329 | const DeclarationNameInfo &, | |||
330 | SourceLocation)> &DPred, | |||
331 | bool FromParent); | |||
332 | ||||
333 | /// \brief Returns currently analyzed directive. | |||
334 | OpenMPDirectiveKind getCurrentDirective() const { | |||
335 | return isStackEmpty() ? OMPD_unknown : Stack.back().first.back().Directive; | |||
336 | } | |||
337 | /// \brief Returns directive kind at specified level. | |||
338 | OpenMPDirectiveKind getDirective(unsigned Level) const { | |||
339 | assert(!isStackEmpty() && "No directive at specified level.")(static_cast <bool> (!isStackEmpty() && "No directive at specified level." ) ? void (0) : __assert_fail ("!isStackEmpty() && \"No directive at specified level.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 339, __extension__ __PRETTY_FUNCTION__)); | |||
340 | return Stack.back().first[Level].Directive; | |||
341 | } | |||
342 | /// \brief Returns parent directive. | |||
343 | OpenMPDirectiveKind getParentDirective() const { | |||
344 | if (isStackEmpty() || Stack.back().first.size() == 1) | |||
345 | return OMPD_unknown; | |||
346 | return std::next(Stack.back().first.rbegin())->Directive; | |||
347 | } | |||
348 | ||||
349 | /// \brief Set default data sharing attribute to none. | |||
350 | void setDefaultDSANone(SourceLocation Loc) { | |||
351 | assert(!isStackEmpty())(static_cast <bool> (!isStackEmpty()) ? void (0) : __assert_fail ("!isStackEmpty()", "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 351, __extension__ __PRETTY_FUNCTION__)); | |||
352 | Stack.back().first.back().DefaultAttr = DSA_none; | |||
353 | Stack.back().first.back().DefaultAttrLoc = Loc; | |||
354 | } | |||
355 | /// \brief Set default data sharing attribute to shared. | |||
356 | void setDefaultDSAShared(SourceLocation Loc) { | |||
357 | assert(!isStackEmpty())(static_cast <bool> (!isStackEmpty()) ? void (0) : __assert_fail ("!isStackEmpty()", "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 357, __extension__ __PRETTY_FUNCTION__)); | |||
358 | Stack.back().first.back().DefaultAttr = DSA_shared; | |||
359 | Stack.back().first.back().DefaultAttrLoc = Loc; | |||
360 | } | |||
361 | /// Set default data mapping attribute to 'tofrom:scalar'. | |||
362 | void setDefaultDMAToFromScalar(SourceLocation Loc) { | |||
363 | assert(!isStackEmpty())(static_cast <bool> (!isStackEmpty()) ? void (0) : __assert_fail ("!isStackEmpty()", "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 363, __extension__ __PRETTY_FUNCTION__)); | |||
364 | Stack.back().first.back().DefaultMapAttr = DMA_tofrom_scalar; | |||
365 | Stack.back().first.back().DefaultMapAttrLoc = Loc; | |||
366 | } | |||
367 | ||||
368 | DefaultDataSharingAttributes getDefaultDSA() const { | |||
369 | return isStackEmpty() ? DSA_unspecified | |||
370 | : Stack.back().first.back().DefaultAttr; | |||
371 | } | |||
372 | SourceLocation getDefaultDSALocation() const { | |||
373 | return isStackEmpty() ? SourceLocation() | |||
374 | : Stack.back().first.back().DefaultAttrLoc; | |||
375 | } | |||
376 | DefaultMapAttributes getDefaultDMA() const { | |||
377 | return isStackEmpty() ? DMA_unspecified | |||
378 | : Stack.back().first.back().DefaultMapAttr; | |||
379 | } | |||
380 | DefaultMapAttributes getDefaultDMAAtLevel(unsigned Level) const { | |||
381 | return Stack.back().first[Level].DefaultMapAttr; | |||
382 | } | |||
383 | SourceLocation getDefaultDMALocation() const { | |||
384 | return isStackEmpty() ? SourceLocation() | |||
385 | : Stack.back().first.back().DefaultMapAttrLoc; | |||
386 | } | |||
387 | ||||
388 | /// \brief Checks if the specified variable is a threadprivate. | |||
389 | bool isThreadPrivate(VarDecl *D) { | |||
390 | DSAVarData DVar = getTopDSA(D, false); | |||
391 | return isOpenMPThreadPrivate(DVar.CKind); | |||
392 | } | |||
393 | ||||
394 | /// \brief Marks current region as ordered (it has an 'ordered' clause). | |||
395 | void setOrderedRegion(bool IsOrdered, Expr *Param) { | |||
396 | assert(!isStackEmpty())(static_cast <bool> (!isStackEmpty()) ? void (0) : __assert_fail ("!isStackEmpty()", "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 396, __extension__ __PRETTY_FUNCTION__)); | |||
397 | Stack.back().first.back().OrderedRegion.setInt(IsOrdered); | |||
398 | Stack.back().first.back().OrderedRegion.setPointer(Param); | |||
399 | } | |||
400 | /// \brief Returns true, if parent region is ordered (has associated | |||
401 | /// 'ordered' clause), false - otherwise. | |||
402 | bool isParentOrderedRegion() const { | |||
403 | if (isStackEmpty() || Stack.back().first.size() == 1) | |||
404 | return false; | |||
405 | return std::next(Stack.back().first.rbegin())->OrderedRegion.getInt(); | |||
406 | } | |||
407 | /// \brief Returns optional parameter for the ordered region. | |||
408 | Expr *getParentOrderedRegionParam() const { | |||
409 | if (isStackEmpty() || Stack.back().first.size() == 1) | |||
410 | return nullptr; | |||
411 | return std::next(Stack.back().first.rbegin())->OrderedRegion.getPointer(); | |||
412 | } | |||
413 | /// \brief Marks current region as nowait (it has a 'nowait' clause). | |||
414 | void setNowaitRegion(bool IsNowait = true) { | |||
415 | assert(!isStackEmpty())(static_cast <bool> (!isStackEmpty()) ? void (0) : __assert_fail ("!isStackEmpty()", "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 415, __extension__ __PRETTY_FUNCTION__)); | |||
416 | Stack.back().first.back().NowaitRegion = IsNowait; | |||
417 | } | |||
418 | /// \brief Returns true, if parent region is nowait (has associated | |||
419 | /// 'nowait' clause), false - otherwise. | |||
420 | bool isParentNowaitRegion() const { | |||
421 | if (isStackEmpty() || Stack.back().first.size() == 1) | |||
422 | return false; | |||
423 | return std::next(Stack.back().first.rbegin())->NowaitRegion; | |||
424 | } | |||
425 | /// \brief Marks parent region as cancel region. | |||
426 | void setParentCancelRegion(bool Cancel = true) { | |||
427 | if (!isStackEmpty() && Stack.back().first.size() > 1) { | |||
428 | auto &StackElemRef = *std::next(Stack.back().first.rbegin()); | |||
429 | StackElemRef.CancelRegion |= StackElemRef.CancelRegion || Cancel; | |||
430 | } | |||
431 | } | |||
432 | /// \brief Return true if current region has inner cancel construct. | |||
433 | bool isCancelRegion() const { | |||
434 | return isStackEmpty() ? false : Stack.back().first.back().CancelRegion; | |||
435 | } | |||
436 | ||||
437 | /// \brief Set collapse value for the region. | |||
438 | void setAssociatedLoops(unsigned Val) { | |||
439 | assert(!isStackEmpty())(static_cast <bool> (!isStackEmpty()) ? void (0) : __assert_fail ("!isStackEmpty()", "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 439, __extension__ __PRETTY_FUNCTION__)); | |||
440 | Stack.back().first.back().AssociatedLoops = Val; | |||
441 | } | |||
442 | /// \brief Return collapse value for region. | |||
443 | unsigned getAssociatedLoops() const { | |||
444 | return isStackEmpty() ? 0 : Stack.back().first.back().AssociatedLoops; | |||
445 | } | |||
446 | ||||
447 | /// \brief Marks current target region as one with closely nested teams | |||
448 | /// region. | |||
449 | void setParentTeamsRegionLoc(SourceLocation TeamsRegionLoc) { | |||
450 | if (!isStackEmpty() && Stack.back().first.size() > 1) { | |||
451 | std::next(Stack.back().first.rbegin())->InnerTeamsRegionLoc = | |||
452 | TeamsRegionLoc; | |||
453 | } | |||
454 | } | |||
455 | /// \brief Returns true, if current region has closely nested teams region. | |||
456 | bool hasInnerTeamsRegion() const { | |||
457 | return getInnerTeamsRegionLoc().isValid(); | |||
458 | } | |||
459 | /// \brief Returns location of the nested teams region (if any). | |||
460 | SourceLocation getInnerTeamsRegionLoc() const { | |||
461 | return isStackEmpty() ? SourceLocation() | |||
462 | : Stack.back().first.back().InnerTeamsRegionLoc; | |||
463 | } | |||
464 | ||||
465 | Scope *getCurScope() const { | |||
466 | return isStackEmpty() ? nullptr : Stack.back().first.back().CurScope; | |||
467 | } | |||
468 | Scope *getCurScope() { | |||
469 | return isStackEmpty() ? nullptr : Stack.back().first.back().CurScope; | |||
470 | } | |||
471 | SourceLocation getConstructLoc() { | |||
472 | return isStackEmpty() ? SourceLocation() | |||
473 | : Stack.back().first.back().ConstructLoc; | |||
474 | } | |||
475 | ||||
476 | /// Do the check specified in \a Check to all component lists and return true | |||
477 | /// if any issue is found. | |||
478 | bool checkMappableExprComponentListsForDecl( | |||
479 | ValueDecl *VD, bool CurrentRegionOnly, | |||
480 | const llvm::function_ref< | |||
481 | bool(OMPClauseMappableExprCommon::MappableExprComponentListRef, | |||
482 | OpenMPClauseKind)> &Check) { | |||
483 | if (isStackEmpty()) | |||
484 | return false; | |||
485 | auto SI = Stack.back().first.rbegin(); | |||
486 | auto SE = Stack.back().first.rend(); | |||
487 | ||||
488 | if (SI == SE) | |||
489 | return false; | |||
490 | ||||
491 | if (CurrentRegionOnly) { | |||
492 | SE = std::next(SI); | |||
493 | } else { | |||
494 | ++SI; | |||
495 | } | |||
496 | ||||
497 | for (; SI != SE; ++SI) { | |||
498 | auto MI = SI->MappedExprComponents.find(VD); | |||
499 | if (MI != SI->MappedExprComponents.end()) | |||
500 | for (auto &L : MI->second.Components) | |||
501 | if (Check(L, MI->second.Kind)) | |||
502 | return true; | |||
503 | } | |||
504 | return false; | |||
505 | } | |||
506 | ||||
507 | /// Do the check specified in \a Check to all component lists at a given level | |||
508 | /// and return true if any issue is found. | |||
509 | bool checkMappableExprComponentListsForDeclAtLevel( | |||
510 | ValueDecl *VD, unsigned Level, | |||
511 | const llvm::function_ref< | |||
512 | bool(OMPClauseMappableExprCommon::MappableExprComponentListRef, | |||
513 | OpenMPClauseKind)> &Check) { | |||
514 | if (isStackEmpty()) | |||
515 | return false; | |||
516 | ||||
517 | auto StartI = Stack.back().first.begin(); | |||
518 | auto EndI = Stack.back().first.end(); | |||
519 | if (std::distance(StartI, EndI) <= (int)Level) | |||
520 | return false; | |||
521 | std::advance(StartI, Level); | |||
522 | ||||
523 | auto MI = StartI->MappedExprComponents.find(VD); | |||
524 | if (MI != StartI->MappedExprComponents.end()) | |||
525 | for (auto &L : MI->second.Components) | |||
526 | if (Check(L, MI->second.Kind)) | |||
527 | return true; | |||
528 | return false; | |||
529 | } | |||
530 | ||||
531 | /// Create a new mappable expression component list associated with a given | |||
532 | /// declaration and initialize it with the provided list of components. | |||
533 | void addMappableExpressionComponents( | |||
534 | ValueDecl *VD, | |||
535 | OMPClauseMappableExprCommon::MappableExprComponentListRef Components, | |||
536 | OpenMPClauseKind WhereFoundClauseKind) { | |||
537 | assert(!isStackEmpty() &&(static_cast <bool> (!isStackEmpty() && "Not expecting to retrieve components from a empty stack!" ) ? void (0) : __assert_fail ("!isStackEmpty() && \"Not expecting to retrieve components from a empty stack!\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 538, __extension__ __PRETTY_FUNCTION__)) | |||
538 | "Not expecting to retrieve components from a empty stack!")(static_cast <bool> (!isStackEmpty() && "Not expecting to retrieve components from a empty stack!" ) ? void (0) : __assert_fail ("!isStackEmpty() && \"Not expecting to retrieve components from a empty stack!\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 538, __extension__ __PRETTY_FUNCTION__)); | |||
539 | auto &MEC = Stack.back().first.back().MappedExprComponents[VD]; | |||
540 | // Create new entry and append the new components there. | |||
541 | MEC.Components.resize(MEC.Components.size() + 1); | |||
542 | MEC.Components.back().append(Components.begin(), Components.end()); | |||
543 | MEC.Kind = WhereFoundClauseKind; | |||
544 | } | |||
545 | ||||
546 | unsigned getNestingLevel() const { | |||
547 | assert(!isStackEmpty())(static_cast <bool> (!isStackEmpty()) ? void (0) : __assert_fail ("!isStackEmpty()", "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 547, __extension__ __PRETTY_FUNCTION__)); | |||
548 | return Stack.back().first.size() - 1; | |||
549 | } | |||
550 | void addDoacrossDependClause(OMPDependClause *C, OperatorOffsetTy &OpsOffs) { | |||
551 | assert(!isStackEmpty() && Stack.back().first.size() > 1)(static_cast <bool> (!isStackEmpty() && Stack.back ().first.size() > 1) ? void (0) : __assert_fail ("!isStackEmpty() && Stack.back().first.size() > 1" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 551, __extension__ __PRETTY_FUNCTION__)); | |||
552 | auto &StackElem = *std::next(Stack.back().first.rbegin()); | |||
553 | assert(isOpenMPWorksharingDirective(StackElem.Directive))(static_cast <bool> (isOpenMPWorksharingDirective(StackElem .Directive)) ? void (0) : __assert_fail ("isOpenMPWorksharingDirective(StackElem.Directive)" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 553, __extension__ __PRETTY_FUNCTION__)); | |||
554 | StackElem.DoacrossDepends.insert({C, OpsOffs}); | |||
555 | } | |||
556 | llvm::iterator_range<DoacrossDependMapTy::const_iterator> | |||
557 | getDoacrossDependClauses() const { | |||
558 | assert(!isStackEmpty())(static_cast <bool> (!isStackEmpty()) ? void (0) : __assert_fail ("!isStackEmpty()", "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 558, __extension__ __PRETTY_FUNCTION__)); | |||
559 | auto &StackElem = Stack.back().first.back(); | |||
560 | if (isOpenMPWorksharingDirective(StackElem.Directive)) { | |||
561 | auto &Ref = StackElem.DoacrossDepends; | |||
562 | return llvm::make_range(Ref.begin(), Ref.end()); | |||
563 | } | |||
564 | return llvm::make_range(StackElem.DoacrossDepends.end(), | |||
565 | StackElem.DoacrossDepends.end()); | |||
566 | } | |||
567 | }; | |||
568 | bool isParallelOrTaskRegion(OpenMPDirectiveKind DKind) { | |||
569 | return isOpenMPParallelDirective(DKind) || isOpenMPTaskingDirective(DKind) || | |||
570 | isOpenMPTeamsDirective(DKind) || DKind == OMPD_unknown; | |||
571 | } | |||
572 | } // namespace | |||
573 | ||||
574 | static Expr *getExprAsWritten(Expr *E) { | |||
575 | if (auto *ExprTemp = dyn_cast<ExprWithCleanups>(E)) | |||
576 | E = ExprTemp->getSubExpr(); | |||
577 | ||||
578 | if (auto *MTE = dyn_cast<MaterializeTemporaryExpr>(E)) | |||
579 | E = MTE->GetTemporaryExpr(); | |||
580 | ||||
581 | while (auto *Binder = dyn_cast<CXXBindTemporaryExpr>(E)) | |||
582 | E = Binder->getSubExpr(); | |||
583 | ||||
584 | if (auto *ICE = dyn_cast<ImplicitCastExpr>(E)) | |||
585 | E = ICE->getSubExprAsWritten(); | |||
586 | return E->IgnoreParens(); | |||
587 | } | |||
588 | ||||
589 | static ValueDecl *getCanonicalDecl(ValueDecl *D) { | |||
590 | if (auto *CED = dyn_cast<OMPCapturedExprDecl>(D)) | |||
591 | if (auto *ME = dyn_cast<MemberExpr>(getExprAsWritten(CED->getInit()))) | |||
592 | D = ME->getMemberDecl(); | |||
593 | auto *VD = dyn_cast<VarDecl>(D); | |||
594 | auto *FD = dyn_cast<FieldDecl>(D); | |||
595 | if (VD != nullptr) { | |||
596 | VD = VD->getCanonicalDecl(); | |||
597 | D = VD; | |||
598 | } else { | |||
599 | assert(FD)(static_cast <bool> (FD) ? void (0) : __assert_fail ("FD" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 599, __extension__ __PRETTY_FUNCTION__)); | |||
600 | FD = FD->getCanonicalDecl(); | |||
601 | D = FD; | |||
602 | } | |||
603 | return D; | |||
604 | } | |||
605 | ||||
606 | DSAStackTy::DSAVarData DSAStackTy::getDSA(StackTy::reverse_iterator &Iter, | |||
607 | ValueDecl *D) { | |||
608 | D = getCanonicalDecl(D); | |||
609 | auto *VD = dyn_cast<VarDecl>(D); | |||
610 | auto *FD = dyn_cast<FieldDecl>(D); | |||
611 | DSAVarData DVar; | |||
612 | if (isStackEmpty() || Iter == Stack.back().first.rend()) { | |||
613 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
614 | // in a region but not in construct] | |||
615 | // File-scope or namespace-scope variables referenced in called routines | |||
616 | // in the region are shared unless they appear in a threadprivate | |||
617 | // directive. | |||
618 | if (VD && !VD->isFunctionOrMethodVarDecl() && !isa<ParmVarDecl>(D)) | |||
619 | DVar.CKind = OMPC_shared; | |||
620 | ||||
621 | // OpenMP [2.9.1.2, Data-sharing Attribute Rules for Variables Referenced | |||
622 | // in a region but not in construct] | |||
623 | // Variables with static storage duration that are declared in called | |||
624 | // routines in the region are shared. | |||
625 | if (VD && VD->hasGlobalStorage()) | |||
626 | DVar.CKind = OMPC_shared; | |||
627 | ||||
628 | // Non-static data members are shared by default. | |||
629 | if (FD) | |||
630 | DVar.CKind = OMPC_shared; | |||
631 | ||||
632 | return DVar; | |||
633 | } | |||
634 | ||||
635 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
636 | // in a Construct, C/C++, predetermined, p.1] | |||
637 | // Variables with automatic storage duration that are declared in a scope | |||
638 | // inside the construct are private. | |||
639 | if (VD && isOpenMPLocal(VD, Iter) && VD->isLocalVarDecl() && | |||
640 | (VD->getStorageClass() == SC_Auto || VD->getStorageClass() == SC_None)) { | |||
641 | DVar.CKind = OMPC_private; | |||
642 | return DVar; | |||
643 | } | |||
644 | ||||
645 | DVar.DKind = Iter->Directive; | |||
646 | // Explicitly specified attributes and local variables with predetermined | |||
647 | // attributes. | |||
648 | if (Iter->SharingMap.count(D)) { | |||
649 | DVar.RefExpr = Iter->SharingMap[D].RefExpr.getPointer(); | |||
650 | DVar.PrivateCopy = Iter->SharingMap[D].PrivateCopy; | |||
651 | DVar.CKind = Iter->SharingMap[D].Attributes; | |||
652 | DVar.ImplicitDSALoc = Iter->DefaultAttrLoc; | |||
653 | return DVar; | |||
654 | } | |||
655 | ||||
656 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
657 | // in a Construct, C/C++, implicitly determined, p.1] | |||
658 | // In a parallel or task construct, the data-sharing attributes of these | |||
659 | // variables are determined by the default clause, if present. | |||
660 | switch (Iter->DefaultAttr) { | |||
661 | case DSA_shared: | |||
662 | DVar.CKind = OMPC_shared; | |||
663 | DVar.ImplicitDSALoc = Iter->DefaultAttrLoc; | |||
664 | return DVar; | |||
665 | case DSA_none: | |||
666 | return DVar; | |||
667 | case DSA_unspecified: | |||
668 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
669 | // in a Construct, implicitly determined, p.2] | |||
670 | // In a parallel construct, if no default clause is present, these | |||
671 | // variables are shared. | |||
672 | DVar.ImplicitDSALoc = Iter->DefaultAttrLoc; | |||
673 | if (isOpenMPParallelDirective(DVar.DKind) || | |||
674 | isOpenMPTeamsDirective(DVar.DKind)) { | |||
675 | DVar.CKind = OMPC_shared; | |||
676 | return DVar; | |||
677 | } | |||
678 | ||||
679 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
680 | // in a Construct, implicitly determined, p.4] | |||
681 | // In a task construct, if no default clause is present, a variable that in | |||
682 | // the enclosing context is determined to be shared by all implicit tasks | |||
683 | // bound to the current team is shared. | |||
684 | if (isOpenMPTaskingDirective(DVar.DKind)) { | |||
685 | DSAVarData DVarTemp; | |||
686 | auto I = Iter, E = Stack.back().first.rend(); | |||
687 | do { | |||
688 | ++I; | |||
689 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables | |||
690 | // Referenced in a Construct, implicitly determined, p.6] | |||
691 | // In a task construct, if no default clause is present, a variable | |||
692 | // whose data-sharing attribute is not determined by the rules above is | |||
693 | // firstprivate. | |||
694 | DVarTemp = getDSA(I, D); | |||
695 | if (DVarTemp.CKind != OMPC_shared) { | |||
696 | DVar.RefExpr = nullptr; | |||
697 | DVar.CKind = OMPC_firstprivate; | |||
698 | return DVar; | |||
699 | } | |||
700 | } while (I != E && !isParallelOrTaskRegion(I->Directive)); | |||
701 | DVar.CKind = | |||
702 | (DVarTemp.CKind == OMPC_unknown) ? OMPC_firstprivate : OMPC_shared; | |||
703 | return DVar; | |||
704 | } | |||
705 | } | |||
706 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
707 | // in a Construct, implicitly determined, p.3] | |||
708 | // For constructs other than task, if no default clause is present, these | |||
709 | // variables inherit their data-sharing attributes from the enclosing | |||
710 | // context. | |||
711 | return getDSA(++Iter, D); | |||
712 | } | |||
713 | ||||
714 | Expr *DSAStackTy::addUniqueAligned(ValueDecl *D, Expr *NewDE) { | |||
715 | assert(!isStackEmpty() && "Data sharing attributes stack is empty")(static_cast <bool> (!isStackEmpty() && "Data sharing attributes stack is empty" ) ? void (0) : __assert_fail ("!isStackEmpty() && \"Data sharing attributes stack is empty\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 715, __extension__ __PRETTY_FUNCTION__)); | |||
716 | D = getCanonicalDecl(D); | |||
717 | auto &StackElem = Stack.back().first.back(); | |||
718 | auto It = StackElem.AlignedMap.find(D); | |||
719 | if (It == StackElem.AlignedMap.end()) { | |||
720 | assert(NewDE && "Unexpected nullptr expr to be added into aligned map")(static_cast <bool> (NewDE && "Unexpected nullptr expr to be added into aligned map" ) ? void (0) : __assert_fail ("NewDE && \"Unexpected nullptr expr to be added into aligned map\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 720, __extension__ __PRETTY_FUNCTION__)); | |||
721 | StackElem.AlignedMap[D] = NewDE; | |||
722 | return nullptr; | |||
723 | } else { | |||
724 | assert(It->second && "Unexpected nullptr expr in the aligned map")(static_cast <bool> (It->second && "Unexpected nullptr expr in the aligned map" ) ? void (0) : __assert_fail ("It->second && \"Unexpected nullptr expr in the aligned map\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 724, __extension__ __PRETTY_FUNCTION__)); | |||
725 | return It->second; | |||
726 | } | |||
727 | return nullptr; | |||
728 | } | |||
729 | ||||
730 | void DSAStackTy::addLoopControlVariable(ValueDecl *D, VarDecl *Capture) { | |||
731 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty")(static_cast <bool> (!isStackEmpty() && "Data-sharing attributes stack is empty" ) ? void (0) : __assert_fail ("!isStackEmpty() && \"Data-sharing attributes stack is empty\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 731, __extension__ __PRETTY_FUNCTION__)); | |||
732 | D = getCanonicalDecl(D); | |||
733 | auto &StackElem = Stack.back().first.back(); | |||
734 | StackElem.LCVMap.insert( | |||
735 | {D, LCDeclInfo(StackElem.LCVMap.size() + 1, Capture)}); | |||
736 | } | |||
737 | ||||
738 | DSAStackTy::LCDeclInfo DSAStackTy::isLoopControlVariable(ValueDecl *D) { | |||
739 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty")(static_cast <bool> (!isStackEmpty() && "Data-sharing attributes stack is empty" ) ? void (0) : __assert_fail ("!isStackEmpty() && \"Data-sharing attributes stack is empty\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 739, __extension__ __PRETTY_FUNCTION__)); | |||
740 | D = getCanonicalDecl(D); | |||
741 | auto &StackElem = Stack.back().first.back(); | |||
742 | auto It = StackElem.LCVMap.find(D); | |||
743 | if (It != StackElem.LCVMap.end()) | |||
744 | return It->second; | |||
745 | return {0, nullptr}; | |||
746 | } | |||
747 | ||||
748 | DSAStackTy::LCDeclInfo DSAStackTy::isParentLoopControlVariable(ValueDecl *D) { | |||
749 | assert(!isStackEmpty() && Stack.back().first.size() > 1 &&(static_cast <bool> (!isStackEmpty() && Stack.back ().first.size() > 1 && "Data-sharing attributes stack is empty" ) ? void (0) : __assert_fail ("!isStackEmpty() && Stack.back().first.size() > 1 && \"Data-sharing attributes stack is empty\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 750, __extension__ __PRETTY_FUNCTION__)) | |||
750 | "Data-sharing attributes stack is empty")(static_cast <bool> (!isStackEmpty() && Stack.back ().first.size() > 1 && "Data-sharing attributes stack is empty" ) ? void (0) : __assert_fail ("!isStackEmpty() && Stack.back().first.size() > 1 && \"Data-sharing attributes stack is empty\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 750, __extension__ __PRETTY_FUNCTION__)); | |||
751 | D = getCanonicalDecl(D); | |||
752 | auto &StackElem = *std::next(Stack.back().first.rbegin()); | |||
753 | auto It = StackElem.LCVMap.find(D); | |||
754 | if (It != StackElem.LCVMap.end()) | |||
755 | return It->second; | |||
756 | return {0, nullptr}; | |||
757 | } | |||
758 | ||||
759 | ValueDecl *DSAStackTy::getParentLoopControlVariable(unsigned I) { | |||
760 | assert(!isStackEmpty() && Stack.back().first.size() > 1 &&(static_cast <bool> (!isStackEmpty() && Stack.back ().first.size() > 1 && "Data-sharing attributes stack is empty" ) ? void (0) : __assert_fail ("!isStackEmpty() && Stack.back().first.size() > 1 && \"Data-sharing attributes stack is empty\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 761, __extension__ __PRETTY_FUNCTION__)) | |||
761 | "Data-sharing attributes stack is empty")(static_cast <bool> (!isStackEmpty() && Stack.back ().first.size() > 1 && "Data-sharing attributes stack is empty" ) ? void (0) : __assert_fail ("!isStackEmpty() && Stack.back().first.size() > 1 && \"Data-sharing attributes stack is empty\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 761, __extension__ __PRETTY_FUNCTION__)); | |||
762 | auto &StackElem = *std::next(Stack.back().first.rbegin()); | |||
763 | if (StackElem.LCVMap.size() < I) | |||
764 | return nullptr; | |||
765 | for (auto &Pair : StackElem.LCVMap) | |||
766 | if (Pair.second.first == I) | |||
767 | return Pair.first; | |||
768 | return nullptr; | |||
769 | } | |||
770 | ||||
771 | void DSAStackTy::addDSA(ValueDecl *D, Expr *E, OpenMPClauseKind A, | |||
772 | DeclRefExpr *PrivateCopy) { | |||
773 | D = getCanonicalDecl(D); | |||
774 | if (A == OMPC_threadprivate) { | |||
775 | auto &Data = Threadprivates[D]; | |||
776 | Data.Attributes = A; | |||
777 | Data.RefExpr.setPointer(E); | |||
778 | Data.PrivateCopy = nullptr; | |||
779 | } else { | |||
780 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty")(static_cast <bool> (!isStackEmpty() && "Data-sharing attributes stack is empty" ) ? void (0) : __assert_fail ("!isStackEmpty() && \"Data-sharing attributes stack is empty\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 780, __extension__ __PRETTY_FUNCTION__)); | |||
781 | auto &Data = Stack.back().first.back().SharingMap[D]; | |||
782 | assert(Data.Attributes == OMPC_unknown || (A == Data.Attributes) ||(static_cast <bool> (Data.Attributes == OMPC_unknown || (A == Data.Attributes) || (A == OMPC_firstprivate && Data.Attributes == OMPC_lastprivate) || (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate) || (isLoopControlVariable (D).first && A == OMPC_private)) ? void (0) : __assert_fail ("Data.Attributes == OMPC_unknown || (A == Data.Attributes) || (A == OMPC_firstprivate && Data.Attributes == OMPC_lastprivate) || (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate) || (isLoopControlVariable(D).first && A == OMPC_private)" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 785, __extension__ __PRETTY_FUNCTION__)) | |||
783 | (A == OMPC_firstprivate && Data.Attributes == OMPC_lastprivate) ||(static_cast <bool> (Data.Attributes == OMPC_unknown || (A == Data.Attributes) || (A == OMPC_firstprivate && Data.Attributes == OMPC_lastprivate) || (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate) || (isLoopControlVariable (D).first && A == OMPC_private)) ? void (0) : __assert_fail ("Data.Attributes == OMPC_unknown || (A == Data.Attributes) || (A == OMPC_firstprivate && Data.Attributes == OMPC_lastprivate) || (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate) || (isLoopControlVariable(D).first && A == OMPC_private)" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 785, __extension__ __PRETTY_FUNCTION__)) | |||
784 | (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate) ||(static_cast <bool> (Data.Attributes == OMPC_unknown || (A == Data.Attributes) || (A == OMPC_firstprivate && Data.Attributes == OMPC_lastprivate) || (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate) || (isLoopControlVariable (D).first && A == OMPC_private)) ? void (0) : __assert_fail ("Data.Attributes == OMPC_unknown || (A == Data.Attributes) || (A == OMPC_firstprivate && Data.Attributes == OMPC_lastprivate) || (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate) || (isLoopControlVariable(D).first && A == OMPC_private)" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 785, __extension__ __PRETTY_FUNCTION__)) | |||
785 | (isLoopControlVariable(D).first && A == OMPC_private))(static_cast <bool> (Data.Attributes == OMPC_unknown || (A == Data.Attributes) || (A == OMPC_firstprivate && Data.Attributes == OMPC_lastprivate) || (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate) || (isLoopControlVariable (D).first && A == OMPC_private)) ? void (0) : __assert_fail ("Data.Attributes == OMPC_unknown || (A == Data.Attributes) || (A == OMPC_firstprivate && Data.Attributes == OMPC_lastprivate) || (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate) || (isLoopControlVariable(D).first && A == OMPC_private)" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 785, __extension__ __PRETTY_FUNCTION__)); | |||
786 | if (A == OMPC_lastprivate && Data.Attributes == OMPC_firstprivate) { | |||
787 | Data.RefExpr.setInt(/*IntVal=*/true); | |||
788 | return; | |||
789 | } | |||
790 | const bool IsLastprivate = | |||
791 | A == OMPC_lastprivate || Data.Attributes == OMPC_lastprivate; | |||
792 | Data.Attributes = A; | |||
793 | Data.RefExpr.setPointerAndInt(E, IsLastprivate); | |||
794 | Data.PrivateCopy = PrivateCopy; | |||
795 | if (PrivateCopy) { | |||
796 | auto &Data = Stack.back().first.back().SharingMap[PrivateCopy->getDecl()]; | |||
797 | Data.Attributes = A; | |||
798 | Data.RefExpr.setPointerAndInt(PrivateCopy, IsLastprivate); | |||
799 | Data.PrivateCopy = nullptr; | |||
800 | } | |||
801 | } | |||
802 | } | |||
803 | ||||
804 | /// \brief Build a variable declaration for OpenMP loop iteration variable. | |||
805 | static VarDecl *buildVarDecl(Sema &SemaRef, SourceLocation Loc, QualType Type, | |||
806 | StringRef Name, const AttrVec *Attrs = nullptr) { | |||
807 | DeclContext *DC = SemaRef.CurContext; | |||
808 | IdentifierInfo *II = &SemaRef.PP.getIdentifierTable().get(Name); | |||
809 | TypeSourceInfo *TInfo = SemaRef.Context.getTrivialTypeSourceInfo(Type, Loc); | |||
810 | VarDecl *Decl = | |||
811 | VarDecl::Create(SemaRef.Context, DC, Loc, Loc, II, Type, TInfo, SC_None); | |||
812 | if (Attrs) { | |||
813 | for (specific_attr_iterator<AlignedAttr> I(Attrs->begin()), E(Attrs->end()); | |||
814 | I != E; ++I) | |||
815 | Decl->addAttr(*I); | |||
816 | } | |||
817 | Decl->setImplicit(); | |||
818 | return Decl; | |||
819 | } | |||
820 | ||||
821 | static DeclRefExpr *buildDeclRefExpr(Sema &S, VarDecl *D, QualType Ty, | |||
822 | SourceLocation Loc, | |||
823 | bool RefersToCapture = false) { | |||
824 | D->setReferenced(); | |||
825 | D->markUsed(S.Context); | |||
826 | return DeclRefExpr::Create(S.getASTContext(), NestedNameSpecifierLoc(), | |||
827 | SourceLocation(), D, RefersToCapture, Loc, Ty, | |||
828 | VK_LValue); | |||
829 | } | |||
830 | ||||
831 | void DSAStackTy::addTaskgroupReductionData(ValueDecl *D, SourceRange SR, | |||
832 | BinaryOperatorKind BOK) { | |||
833 | D = getCanonicalDecl(D); | |||
834 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty")(static_cast <bool> (!isStackEmpty() && "Data-sharing attributes stack is empty" ) ? void (0) : __assert_fail ("!isStackEmpty() && \"Data-sharing attributes stack is empty\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 834, __extension__ __PRETTY_FUNCTION__)); | |||
835 | assert((static_cast <bool> (Stack.back().first.back().SharingMap [D].Attributes == OMPC_reduction && "Additional reduction info may be specified only for reduction items." ) ? void (0) : __assert_fail ("Stack.back().first.back().SharingMap[D].Attributes == OMPC_reduction && \"Additional reduction info may be specified only for reduction items.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 837, __extension__ __PRETTY_FUNCTION__)) | |||
836 | Stack.back().first.back().SharingMap[D].Attributes == OMPC_reduction &&(static_cast <bool> (Stack.back().first.back().SharingMap [D].Attributes == OMPC_reduction && "Additional reduction info may be specified only for reduction items." ) ? void (0) : __assert_fail ("Stack.back().first.back().SharingMap[D].Attributes == OMPC_reduction && \"Additional reduction info may be specified only for reduction items.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 837, __extension__ __PRETTY_FUNCTION__)) | |||
837 | "Additional reduction info may be specified only for reduction items.")(static_cast <bool> (Stack.back().first.back().SharingMap [D].Attributes == OMPC_reduction && "Additional reduction info may be specified only for reduction items." ) ? void (0) : __assert_fail ("Stack.back().first.back().SharingMap[D].Attributes == OMPC_reduction && \"Additional reduction info may be specified only for reduction items.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 837, __extension__ __PRETTY_FUNCTION__)); | |||
838 | auto &ReductionData = Stack.back().first.back().ReductionMap[D]; | |||
839 | assert(ReductionData.ReductionRange.isInvalid() &&(static_cast <bool> (ReductionData.ReductionRange.isInvalid () && Stack.back().first.back().Directive == OMPD_taskgroup && "Additional reduction info may be specified only once for reduction " "items.") ? void (0) : __assert_fail ("ReductionData.ReductionRange.isInvalid() && Stack.back().first.back().Directive == OMPD_taskgroup && \"Additional reduction info may be specified only once for reduction \" \"items.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 842, __extension__ __PRETTY_FUNCTION__)) | |||
840 | Stack.back().first.back().Directive == OMPD_taskgroup &&(static_cast <bool> (ReductionData.ReductionRange.isInvalid () && Stack.back().first.back().Directive == OMPD_taskgroup && "Additional reduction info may be specified only once for reduction " "items.") ? void (0) : __assert_fail ("ReductionData.ReductionRange.isInvalid() && Stack.back().first.back().Directive == OMPD_taskgroup && \"Additional reduction info may be specified only once for reduction \" \"items.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 842, __extension__ __PRETTY_FUNCTION__)) | |||
841 | "Additional reduction info may be specified only once for reduction "(static_cast <bool> (ReductionData.ReductionRange.isInvalid () && Stack.back().first.back().Directive == OMPD_taskgroup && "Additional reduction info may be specified only once for reduction " "items.") ? void (0) : __assert_fail ("ReductionData.ReductionRange.isInvalid() && Stack.back().first.back().Directive == OMPD_taskgroup && \"Additional reduction info may be specified only once for reduction \" \"items.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 842, __extension__ __PRETTY_FUNCTION__)) | |||
842 | "items.")(static_cast <bool> (ReductionData.ReductionRange.isInvalid () && Stack.back().first.back().Directive == OMPD_taskgroup && "Additional reduction info may be specified only once for reduction " "items.") ? void (0) : __assert_fail ("ReductionData.ReductionRange.isInvalid() && Stack.back().first.back().Directive == OMPD_taskgroup && \"Additional reduction info may be specified only once for reduction \" \"items.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 842, __extension__ __PRETTY_FUNCTION__)); | |||
843 | ReductionData.set(BOK, SR); | |||
844 | Expr *&TaskgroupReductionRef = | |||
845 | Stack.back().first.back().TaskgroupReductionRef; | |||
846 | if (!TaskgroupReductionRef) { | |||
847 | auto *VD = buildVarDecl(SemaRef, SR.getBegin(), | |||
848 | SemaRef.Context.VoidPtrTy, ".task_red."); | |||
849 | TaskgroupReductionRef = | |||
850 | buildDeclRefExpr(SemaRef, VD, SemaRef.Context.VoidPtrTy, SR.getBegin()); | |||
851 | } | |||
852 | } | |||
853 | ||||
854 | void DSAStackTy::addTaskgroupReductionData(ValueDecl *D, SourceRange SR, | |||
855 | const Expr *ReductionRef) { | |||
856 | D = getCanonicalDecl(D); | |||
857 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty")(static_cast <bool> (!isStackEmpty() && "Data-sharing attributes stack is empty" ) ? void (0) : __assert_fail ("!isStackEmpty() && \"Data-sharing attributes stack is empty\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 857, __extension__ __PRETTY_FUNCTION__)); | |||
858 | assert((static_cast <bool> (Stack.back().first.back().SharingMap [D].Attributes == OMPC_reduction && "Additional reduction info may be specified only for reduction items." ) ? void (0) : __assert_fail ("Stack.back().first.back().SharingMap[D].Attributes == OMPC_reduction && \"Additional reduction info may be specified only for reduction items.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 860, __extension__ __PRETTY_FUNCTION__)) | |||
859 | Stack.back().first.back().SharingMap[D].Attributes == OMPC_reduction &&(static_cast <bool> (Stack.back().first.back().SharingMap [D].Attributes == OMPC_reduction && "Additional reduction info may be specified only for reduction items." ) ? void (0) : __assert_fail ("Stack.back().first.back().SharingMap[D].Attributes == OMPC_reduction && \"Additional reduction info may be specified only for reduction items.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 860, __extension__ __PRETTY_FUNCTION__)) | |||
860 | "Additional reduction info may be specified only for reduction items.")(static_cast <bool> (Stack.back().first.back().SharingMap [D].Attributes == OMPC_reduction && "Additional reduction info may be specified only for reduction items." ) ? void (0) : __assert_fail ("Stack.back().first.back().SharingMap[D].Attributes == OMPC_reduction && \"Additional reduction info may be specified only for reduction items.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 860, __extension__ __PRETTY_FUNCTION__)); | |||
861 | auto &ReductionData = Stack.back().first.back().ReductionMap[D]; | |||
862 | assert(ReductionData.ReductionRange.isInvalid() &&(static_cast <bool> (ReductionData.ReductionRange.isInvalid () && Stack.back().first.back().Directive == OMPD_taskgroup && "Additional reduction info may be specified only once for reduction " "items.") ? void (0) : __assert_fail ("ReductionData.ReductionRange.isInvalid() && Stack.back().first.back().Directive == OMPD_taskgroup && \"Additional reduction info may be specified only once for reduction \" \"items.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 865, __extension__ __PRETTY_FUNCTION__)) | |||
863 | Stack.back().first.back().Directive == OMPD_taskgroup &&(static_cast <bool> (ReductionData.ReductionRange.isInvalid () && Stack.back().first.back().Directive == OMPD_taskgroup && "Additional reduction info may be specified only once for reduction " "items.") ? void (0) : __assert_fail ("ReductionData.ReductionRange.isInvalid() && Stack.back().first.back().Directive == OMPD_taskgroup && \"Additional reduction info may be specified only once for reduction \" \"items.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 865, __extension__ __PRETTY_FUNCTION__)) | |||
864 | "Additional reduction info may be specified only once for reduction "(static_cast <bool> (ReductionData.ReductionRange.isInvalid () && Stack.back().first.back().Directive == OMPD_taskgroup && "Additional reduction info may be specified only once for reduction " "items.") ? void (0) : __assert_fail ("ReductionData.ReductionRange.isInvalid() && Stack.back().first.back().Directive == OMPD_taskgroup && \"Additional reduction info may be specified only once for reduction \" \"items.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 865, __extension__ __PRETTY_FUNCTION__)) | |||
865 | "items.")(static_cast <bool> (ReductionData.ReductionRange.isInvalid () && Stack.back().first.back().Directive == OMPD_taskgroup && "Additional reduction info may be specified only once for reduction " "items.") ? void (0) : __assert_fail ("ReductionData.ReductionRange.isInvalid() && Stack.back().first.back().Directive == OMPD_taskgroup && \"Additional reduction info may be specified only once for reduction \" \"items.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 865, __extension__ __PRETTY_FUNCTION__)); | |||
866 | ReductionData.set(ReductionRef, SR); | |||
867 | Expr *&TaskgroupReductionRef = | |||
868 | Stack.back().first.back().TaskgroupReductionRef; | |||
869 | if (!TaskgroupReductionRef) { | |||
870 | auto *VD = buildVarDecl(SemaRef, SR.getBegin(), SemaRef.Context.VoidPtrTy, | |||
871 | ".task_red."); | |||
872 | TaskgroupReductionRef = | |||
873 | buildDeclRefExpr(SemaRef, VD, SemaRef.Context.VoidPtrTy, SR.getBegin()); | |||
874 | } | |||
875 | } | |||
876 | ||||
877 | DSAStackTy::DSAVarData | |||
878 | DSAStackTy::getTopMostTaskgroupReductionData(ValueDecl *D, SourceRange &SR, | |||
879 | BinaryOperatorKind &BOK, | |||
880 | Expr *&TaskgroupDescriptor) { | |||
881 | D = getCanonicalDecl(D); | |||
882 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty.")(static_cast <bool> (!isStackEmpty() && "Data-sharing attributes stack is empty." ) ? void (0) : __assert_fail ("!isStackEmpty() && \"Data-sharing attributes stack is empty.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 882, __extension__ __PRETTY_FUNCTION__)); | |||
883 | if (Stack.back().first.empty()) | |||
884 | return DSAVarData(); | |||
885 | for (auto I = std::next(Stack.back().first.rbegin(), 1), | |||
886 | E = Stack.back().first.rend(); | |||
887 | I != E; std::advance(I, 1)) { | |||
888 | auto &Data = I->SharingMap[D]; | |||
889 | if (Data.Attributes != OMPC_reduction || I->Directive != OMPD_taskgroup) | |||
890 | continue; | |||
891 | auto &ReductionData = I->ReductionMap[D]; | |||
892 | if (!ReductionData.ReductionOp || | |||
893 | ReductionData.ReductionOp.is<const Expr *>()) | |||
894 | return DSAVarData(); | |||
895 | SR = ReductionData.ReductionRange; | |||
896 | BOK = ReductionData.ReductionOp.get<ReductionData::BOKPtrType>(); | |||
897 | assert(I->TaskgroupReductionRef && "taskgroup reduction reference "(static_cast <bool> (I->TaskgroupReductionRef && "taskgroup reduction reference " "expression for the descriptor is not " "set.") ? void (0) : __assert_fail ("I->TaskgroupReductionRef && \"taskgroup reduction reference \" \"expression for the descriptor is not \" \"set.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 899, __extension__ __PRETTY_FUNCTION__)) | |||
898 | "expression for the descriptor is not "(static_cast <bool> (I->TaskgroupReductionRef && "taskgroup reduction reference " "expression for the descriptor is not " "set.") ? void (0) : __assert_fail ("I->TaskgroupReductionRef && \"taskgroup reduction reference \" \"expression for the descriptor is not \" \"set.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 899, __extension__ __PRETTY_FUNCTION__)) | |||
899 | "set.")(static_cast <bool> (I->TaskgroupReductionRef && "taskgroup reduction reference " "expression for the descriptor is not " "set.") ? void (0) : __assert_fail ("I->TaskgroupReductionRef && \"taskgroup reduction reference \" \"expression for the descriptor is not \" \"set.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 899, __extension__ __PRETTY_FUNCTION__)); | |||
900 | TaskgroupDescriptor = I->TaskgroupReductionRef; | |||
901 | return DSAVarData(OMPD_taskgroup, OMPC_reduction, Data.RefExpr.getPointer(), | |||
902 | Data.PrivateCopy, I->DefaultAttrLoc); | |||
903 | } | |||
904 | return DSAVarData(); | |||
905 | } | |||
906 | ||||
907 | DSAStackTy::DSAVarData | |||
908 | DSAStackTy::getTopMostTaskgroupReductionData(ValueDecl *D, SourceRange &SR, | |||
909 | const Expr *&ReductionRef, | |||
910 | Expr *&TaskgroupDescriptor) { | |||
911 | D = getCanonicalDecl(D); | |||
912 | assert(!isStackEmpty() && "Data-sharing attributes stack is empty.")(static_cast <bool> (!isStackEmpty() && "Data-sharing attributes stack is empty." ) ? void (0) : __assert_fail ("!isStackEmpty() && \"Data-sharing attributes stack is empty.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 912, __extension__ __PRETTY_FUNCTION__)); | |||
913 | if (Stack.back().first.empty()) | |||
914 | return DSAVarData(); | |||
915 | for (auto I = std::next(Stack.back().first.rbegin(), 1), | |||
916 | E = Stack.back().first.rend(); | |||
917 | I != E; std::advance(I, 1)) { | |||
918 | auto &Data = I->SharingMap[D]; | |||
919 | if (Data.Attributes != OMPC_reduction || I->Directive != OMPD_taskgroup) | |||
920 | continue; | |||
921 | auto &ReductionData = I->ReductionMap[D]; | |||
922 | if (!ReductionData.ReductionOp || | |||
923 | !ReductionData.ReductionOp.is<const Expr *>()) | |||
924 | return DSAVarData(); | |||
925 | SR = ReductionData.ReductionRange; | |||
926 | ReductionRef = ReductionData.ReductionOp.get<const Expr *>(); | |||
927 | assert(I->TaskgroupReductionRef && "taskgroup reduction reference "(static_cast <bool> (I->TaskgroupReductionRef && "taskgroup reduction reference " "expression for the descriptor is not " "set.") ? void (0) : __assert_fail ("I->TaskgroupReductionRef && \"taskgroup reduction reference \" \"expression for the descriptor is not \" \"set.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 929, __extension__ __PRETTY_FUNCTION__)) | |||
928 | "expression for the descriptor is not "(static_cast <bool> (I->TaskgroupReductionRef && "taskgroup reduction reference " "expression for the descriptor is not " "set.") ? void (0) : __assert_fail ("I->TaskgroupReductionRef && \"taskgroup reduction reference \" \"expression for the descriptor is not \" \"set.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 929, __extension__ __PRETTY_FUNCTION__)) | |||
929 | "set.")(static_cast <bool> (I->TaskgroupReductionRef && "taskgroup reduction reference " "expression for the descriptor is not " "set.") ? void (0) : __assert_fail ("I->TaskgroupReductionRef && \"taskgroup reduction reference \" \"expression for the descriptor is not \" \"set.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 929, __extension__ __PRETTY_FUNCTION__)); | |||
930 | TaskgroupDescriptor = I->TaskgroupReductionRef; | |||
931 | return DSAVarData(OMPD_taskgroup, OMPC_reduction, Data.RefExpr.getPointer(), | |||
932 | Data.PrivateCopy, I->DefaultAttrLoc); | |||
933 | } | |||
934 | return DSAVarData(); | |||
935 | } | |||
936 | ||||
937 | bool DSAStackTy::isOpenMPLocal(VarDecl *D, StackTy::reverse_iterator Iter) { | |||
938 | D = D->getCanonicalDecl(); | |||
939 | if (!isStackEmpty() && Stack.back().first.size() > 1) { | |||
940 | reverse_iterator I = Iter, E = Stack.back().first.rend(); | |||
941 | Scope *TopScope = nullptr; | |||
942 | while (I != E && !isParallelOrTaskRegion(I->Directive)) | |||
943 | ++I; | |||
944 | if (I == E) | |||
945 | return false; | |||
946 | TopScope = I->CurScope ? I->CurScope->getParent() : nullptr; | |||
947 | Scope *CurScope = getCurScope(); | |||
948 | while (CurScope != TopScope && !CurScope->isDeclScope(D)) | |||
949 | CurScope = CurScope->getParent(); | |||
950 | return CurScope != TopScope; | |||
951 | } | |||
952 | return false; | |||
953 | } | |||
954 | ||||
955 | DSAStackTy::DSAVarData DSAStackTy::getTopDSA(ValueDecl *D, bool FromParent) { | |||
956 | D = getCanonicalDecl(D); | |||
957 | DSAVarData DVar; | |||
958 | ||||
959 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
960 | // in a Construct, C/C++, predetermined, p.1] | |||
961 | // Variables appearing in threadprivate directives are threadprivate. | |||
962 | auto *VD = dyn_cast<VarDecl>(D); | |||
963 | if ((VD && VD->getTLSKind() != VarDecl::TLS_None && | |||
964 | !(VD->hasAttr<OMPThreadPrivateDeclAttr>() && | |||
965 | SemaRef.getLangOpts().OpenMPUseTLS && | |||
966 | SemaRef.getASTContext().getTargetInfo().isTLSSupported())) || | |||
967 | (VD && VD->getStorageClass() == SC_Register && | |||
968 | VD->hasAttr<AsmLabelAttr>() && !VD->isLocalVarDecl())) { | |||
969 | addDSA(D, buildDeclRefExpr(SemaRef, VD, D->getType().getNonReferenceType(), | |||
970 | D->getLocation()), | |||
971 | OMPC_threadprivate); | |||
972 | } | |||
973 | auto TI = Threadprivates.find(D); | |||
974 | if (TI != Threadprivates.end()) { | |||
975 | DVar.RefExpr = TI->getSecond().RefExpr.getPointer(); | |||
976 | DVar.CKind = OMPC_threadprivate; | |||
977 | return DVar; | |||
978 | } else if (VD && VD->hasAttr<OMPThreadPrivateDeclAttr>()) { | |||
979 | DVar.RefExpr = buildDeclRefExpr( | |||
980 | SemaRef, VD, D->getType().getNonReferenceType(), | |||
981 | VD->getAttr<OMPThreadPrivateDeclAttr>()->getLocation()); | |||
982 | DVar.CKind = OMPC_threadprivate; | |||
983 | addDSA(D, DVar.RefExpr, OMPC_threadprivate); | |||
984 | } | |||
985 | ||||
986 | if (isStackEmpty()) | |||
987 | // Not in OpenMP execution region and top scope was already checked. | |||
988 | return DVar; | |||
989 | ||||
990 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
991 | // in a Construct, C/C++, predetermined, p.4] | |||
992 | // Static data members are shared. | |||
993 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
994 | // in a Construct, C/C++, predetermined, p.7] | |||
995 | // Variables with static storage duration that are declared in a scope | |||
996 | // inside the construct are shared. | |||
997 | auto &&MatchesAlways = [](OpenMPDirectiveKind) -> bool { return true; }; | |||
998 | if (VD && VD->isStaticDataMember()) { | |||
999 | DSAVarData DVarTemp = hasDSA(D, isOpenMPPrivate, MatchesAlways, FromParent); | |||
1000 | if (DVarTemp.CKind != OMPC_unknown && DVarTemp.RefExpr) | |||
1001 | return DVar; | |||
1002 | ||||
1003 | DVar.CKind = OMPC_shared; | |||
1004 | return DVar; | |||
1005 | } | |||
1006 | ||||
1007 | QualType Type = D->getType().getNonReferenceType().getCanonicalType(); | |||
1008 | bool IsConstant = Type.isConstant(SemaRef.getASTContext()); | |||
1009 | Type = SemaRef.getASTContext().getBaseElementType(Type); | |||
1010 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
1011 | // in a Construct, C/C++, predetermined, p.6] | |||
1012 | // Variables with const qualified type having no mutable member are | |||
1013 | // shared. | |||
1014 | CXXRecordDecl *RD = | |||
1015 | SemaRef.getLangOpts().CPlusPlus ? Type->getAsCXXRecordDecl() : nullptr; | |||
1016 | if (auto *CTSD = dyn_cast_or_null<ClassTemplateSpecializationDecl>(RD)) | |||
1017 | if (auto *CTD = CTSD->getSpecializedTemplate()) | |||
1018 | RD = CTD->getTemplatedDecl(); | |||
1019 | if (IsConstant && | |||
1020 | !(SemaRef.getLangOpts().CPlusPlus && RD && RD->hasDefinition() && | |||
1021 | RD->hasMutableFields())) { | |||
1022 | // Variables with const-qualified type having no mutable member may be | |||
1023 | // listed in a firstprivate clause, even if they are static data members. | |||
1024 | DSAVarData DVarTemp = hasDSA( | |||
1025 | D, [](OpenMPClauseKind C) -> bool { return C == OMPC_firstprivate; }, | |||
1026 | MatchesAlways, FromParent); | |||
1027 | if (DVarTemp.CKind == OMPC_firstprivate && DVarTemp.RefExpr) | |||
1028 | return DVarTemp; | |||
1029 | ||||
1030 | DVar.CKind = OMPC_shared; | |||
1031 | return DVar; | |||
1032 | } | |||
1033 | ||||
1034 | // Explicitly specified attributes and local variables with predetermined | |||
1035 | // attributes. | |||
1036 | auto I = Stack.back().first.rbegin(); | |||
1037 | auto EndI = Stack.back().first.rend(); | |||
1038 | if (FromParent && I != EndI) | |||
1039 | std::advance(I, 1); | |||
1040 | if (I->SharingMap.count(D)) { | |||
1041 | DVar.RefExpr = I->SharingMap[D].RefExpr.getPointer(); | |||
1042 | DVar.PrivateCopy = I->SharingMap[D].PrivateCopy; | |||
1043 | DVar.CKind = I->SharingMap[D].Attributes; | |||
1044 | DVar.ImplicitDSALoc = I->DefaultAttrLoc; | |||
1045 | DVar.DKind = I->Directive; | |||
1046 | } | |||
1047 | ||||
1048 | return DVar; | |||
1049 | } | |||
1050 | ||||
1051 | DSAStackTy::DSAVarData DSAStackTy::getImplicitDSA(ValueDecl *D, | |||
1052 | bool FromParent) { | |||
1053 | if (isStackEmpty()) { | |||
1054 | StackTy::reverse_iterator I; | |||
1055 | return getDSA(I, D); | |||
1056 | } | |||
1057 | D = getCanonicalDecl(D); | |||
1058 | auto StartI = Stack.back().first.rbegin(); | |||
1059 | auto EndI = Stack.back().first.rend(); | |||
1060 | if (FromParent && StartI != EndI) | |||
1061 | std::advance(StartI, 1); | |||
1062 | return getDSA(StartI, D); | |||
1063 | } | |||
1064 | ||||
1065 | DSAStackTy::DSAVarData | |||
1066 | DSAStackTy::hasDSA(ValueDecl *D, | |||
1067 | const llvm::function_ref<bool(OpenMPClauseKind)> &CPred, | |||
1068 | const llvm::function_ref<bool(OpenMPDirectiveKind)> &DPred, | |||
1069 | bool FromParent) { | |||
1070 | if (isStackEmpty()) | |||
1071 | return {}; | |||
1072 | D = getCanonicalDecl(D); | |||
1073 | auto I = Stack.back().first.rbegin(); | |||
1074 | auto EndI = Stack.back().first.rend(); | |||
1075 | if (FromParent && I != EndI) | |||
1076 | std::advance(I, 1); | |||
1077 | for (; I != EndI; std::advance(I, 1)) { | |||
1078 | if (!DPred(I->Directive) && !isParallelOrTaskRegion(I->Directive)) | |||
1079 | continue; | |||
1080 | auto NewI = I; | |||
1081 | DSAVarData DVar = getDSA(NewI, D); | |||
1082 | if (I == NewI && CPred(DVar.CKind)) | |||
1083 | return DVar; | |||
1084 | } | |||
1085 | return {}; | |||
1086 | } | |||
1087 | ||||
1088 | DSAStackTy::DSAVarData DSAStackTy::hasInnermostDSA( | |||
1089 | ValueDecl *D, const llvm::function_ref<bool(OpenMPClauseKind)> &CPred, | |||
1090 | const llvm::function_ref<bool(OpenMPDirectiveKind)> &DPred, | |||
1091 | bool FromParent) { | |||
1092 | if (isStackEmpty()) | |||
1093 | return {}; | |||
1094 | D = getCanonicalDecl(D); | |||
1095 | auto StartI = Stack.back().first.rbegin(); | |||
1096 | auto EndI = Stack.back().first.rend(); | |||
1097 | if (FromParent && StartI != EndI) | |||
1098 | std::advance(StartI, 1); | |||
1099 | if (StartI == EndI || !DPred(StartI->Directive)) | |||
1100 | return {}; | |||
1101 | auto NewI = StartI; | |||
1102 | DSAVarData DVar = getDSA(NewI, D); | |||
1103 | return (NewI == StartI && CPred(DVar.CKind)) ? DVar : DSAVarData(); | |||
1104 | } | |||
1105 | ||||
1106 | bool DSAStackTy::hasExplicitDSA( | |||
1107 | ValueDecl *D, const llvm::function_ref<bool(OpenMPClauseKind)> &CPred, | |||
1108 | unsigned Level, bool NotLastprivate) { | |||
1109 | if (isStackEmpty()) | |||
1110 | return false; | |||
1111 | D = getCanonicalDecl(D); | |||
1112 | auto StartI = Stack.back().first.begin(); | |||
1113 | auto EndI = Stack.back().first.end(); | |||
1114 | if (std::distance(StartI, EndI) <= (int)Level) | |||
1115 | return false; | |||
1116 | std::advance(StartI, Level); | |||
1117 | return (StartI->SharingMap.count(D) > 0) && | |||
1118 | StartI->SharingMap[D].RefExpr.getPointer() && | |||
1119 | CPred(StartI->SharingMap[D].Attributes) && | |||
1120 | (!NotLastprivate || !StartI->SharingMap[D].RefExpr.getInt()); | |||
1121 | } | |||
1122 | ||||
1123 | bool DSAStackTy::hasExplicitDirective( | |||
1124 | const llvm::function_ref<bool(OpenMPDirectiveKind)> &DPred, | |||
1125 | unsigned Level) { | |||
1126 | if (isStackEmpty()) | |||
1127 | return false; | |||
1128 | auto StartI = Stack.back().first.begin(); | |||
1129 | auto EndI = Stack.back().first.end(); | |||
1130 | if (std::distance(StartI, EndI) <= (int)Level) | |||
1131 | return false; | |||
1132 | std::advance(StartI, Level); | |||
1133 | return DPred(StartI->Directive); | |||
1134 | } | |||
1135 | ||||
1136 | bool DSAStackTy::hasDirective( | |||
1137 | const llvm::function_ref<bool(OpenMPDirectiveKind, | |||
1138 | const DeclarationNameInfo &, SourceLocation)> | |||
1139 | &DPred, | |||
1140 | bool FromParent) { | |||
1141 | // We look only in the enclosing region. | |||
1142 | if (isStackEmpty()) | |||
1143 | return false; | |||
1144 | auto StartI = std::next(Stack.back().first.rbegin()); | |||
1145 | auto EndI = Stack.back().first.rend(); | |||
1146 | if (FromParent && StartI != EndI) | |||
1147 | StartI = std::next(StartI); | |||
1148 | for (auto I = StartI, EE = EndI; I != EE; ++I) { | |||
1149 | if (DPred(I->Directive, I->DirectiveName, I->ConstructLoc)) | |||
1150 | return true; | |||
1151 | } | |||
1152 | return false; | |||
1153 | } | |||
1154 | ||||
1155 | void Sema::InitDataSharingAttributesStack() { | |||
1156 | VarDataSharingAttributesStack = new DSAStackTy(*this); | |||
1157 | } | |||
1158 | ||||
1159 | #define DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ) static_cast<DSAStackTy *>(VarDataSharingAttributesStack) | |||
1160 | ||||
1161 | void Sema::pushOpenMPFunctionRegion() { | |||
1162 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->pushFunction(); | |||
1163 | } | |||
1164 | ||||
1165 | void Sema::popOpenMPFunctionRegion(const FunctionScopeInfo *OldFSI) { | |||
1166 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->popFunction(OldFSI); | |||
1167 | } | |||
1168 | ||||
1169 | bool Sema::IsOpenMPCapturedByRef(ValueDecl *D, unsigned Level) { | |||
1170 | assert(LangOpts.OpenMP && "OpenMP is not allowed")(static_cast <bool> (LangOpts.OpenMP && "OpenMP is not allowed" ) ? void (0) : __assert_fail ("LangOpts.OpenMP && \"OpenMP is not allowed\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1170, __extension__ __PRETTY_FUNCTION__)); | |||
1171 | ||||
1172 | auto &Ctx = getASTContext(); | |||
1173 | bool IsByRef = true; | |||
1174 | ||||
1175 | // Find the directive that is associated with the provided scope. | |||
1176 | D = cast<ValueDecl>(D->getCanonicalDecl()); | |||
1177 | auto Ty = D->getType(); | |||
1178 | ||||
1179 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective(isOpenMPTargetExecutionDirective, Level)) { | |||
1180 | // This table summarizes how a given variable should be passed to the device | |||
1181 | // given its type and the clauses where it appears. This table is based on | |||
1182 | // the description in OpenMP 4.5 [2.10.4, target Construct] and | |||
1183 | // OpenMP 4.5 [2.15.5, Data-mapping Attribute Rules and Clauses]. | |||
1184 | // | |||
1185 | // ========================================================================= | |||
1186 | // | type | defaultmap | pvt | first | is_device_ptr | map | res. | | |||
1187 | // | |(tofrom:scalar)| | pvt | | | | | |||
1188 | // ========================================================================= | |||
1189 | // | scl | | | | - | | bycopy| | |||
1190 | // | scl | | - | x | - | - | bycopy| | |||
1191 | // | scl | | x | - | - | - | null | | |||
1192 | // | scl | x | | | - | | byref | | |||
1193 | // | scl | x | - | x | - | - | bycopy| | |||
1194 | // | scl | x | x | - | - | - | null | | |||
1195 | // | scl | | - | - | - | x | byref | | |||
1196 | // | scl | x | - | - | - | x | byref | | |||
1197 | // | |||
1198 | // | agg | n.a. | | | - | | byref | | |||
1199 | // | agg | n.a. | - | x | - | - | byref | | |||
1200 | // | agg | n.a. | x | - | - | - | null | | |||
1201 | // | agg | n.a. | - | - | - | x | byref | | |||
1202 | // | agg | n.a. | - | - | - | x[] | byref | | |||
1203 | // | |||
1204 | // | ptr | n.a. | | | - | | bycopy| | |||
1205 | // | ptr | n.a. | - | x | - | - | bycopy| | |||
1206 | // | ptr | n.a. | x | - | - | - | null | | |||
1207 | // | ptr | n.a. | - | - | - | x | byref | | |||
1208 | // | ptr | n.a. | - | - | - | x[] | bycopy| | |||
1209 | // | ptr | n.a. | - | - | x | | bycopy| | |||
1210 | // | ptr | n.a. | - | - | x | x | bycopy| | |||
1211 | // | ptr | n.a. | - | - | x | x[] | bycopy| | |||
1212 | // ========================================================================= | |||
1213 | // Legend: | |||
1214 | // scl - scalar | |||
1215 | // ptr - pointer | |||
1216 | // agg - aggregate | |||
1217 | // x - applies | |||
1218 | // - - invalid in this combination | |||
1219 | // [] - mapped with an array section | |||
1220 | // byref - should be mapped by reference | |||
1221 | // byval - should be mapped by value | |||
1222 | // null - initialize a local variable to null on the device | |||
1223 | // | |||
1224 | // Observations: | |||
1225 | // - All scalar declarations that show up in a map clause have to be passed | |||
1226 | // by reference, because they may have been mapped in the enclosing data | |||
1227 | // environment. | |||
1228 | // - If the scalar value does not fit the size of uintptr, it has to be | |||
1229 | // passed by reference, regardless the result in the table above. | |||
1230 | // - For pointers mapped by value that have either an implicit map or an | |||
1231 | // array section, the runtime library may pass the NULL value to the | |||
1232 | // device instead of the value passed to it by the compiler. | |||
1233 | ||||
1234 | if (Ty->isReferenceType()) | |||
1235 | Ty = Ty->castAs<ReferenceType>()->getPointeeType(); | |||
1236 | ||||
1237 | // Locate map clauses and see if the variable being captured is referred to | |||
1238 | // in any of those clauses. Here we only care about variables, not fields, | |||
1239 | // because fields are part of aggregates. | |||
1240 | bool IsVariableUsedInMapClause = false; | |||
1241 | bool IsVariableAssociatedWithSection = false; | |||
1242 | ||||
1243 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDeclAtLevel( | |||
1244 | D, Level, [&](OMPClauseMappableExprCommon::MappableExprComponentListRef | |||
1245 | MapExprComponents, | |||
1246 | OpenMPClauseKind WhereFoundClauseKind) { | |||
1247 | // Only the map clause information influences how a variable is | |||
1248 | // captured. E.g. is_device_ptr does not require changing the default | |||
1249 | // behavior. | |||
1250 | if (WhereFoundClauseKind != OMPC_map) | |||
1251 | return false; | |||
1252 | ||||
1253 | auto EI = MapExprComponents.rbegin(); | |||
1254 | auto EE = MapExprComponents.rend(); | |||
1255 | ||||
1256 | assert(EI != EE && "Invalid map expression!")(static_cast <bool> (EI != EE && "Invalid map expression!" ) ? void (0) : __assert_fail ("EI != EE && \"Invalid map expression!\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1256, __extension__ __PRETTY_FUNCTION__)); | |||
1257 | ||||
1258 | if (isa<DeclRefExpr>(EI->getAssociatedExpression())) | |||
1259 | IsVariableUsedInMapClause |= EI->getAssociatedDeclaration() == D; | |||
1260 | ||||
1261 | ++EI; | |||
1262 | if (EI == EE) | |||
1263 | return false; | |||
1264 | ||||
1265 | if (isa<ArraySubscriptExpr>(EI->getAssociatedExpression()) || | |||
1266 | isa<OMPArraySectionExpr>(EI->getAssociatedExpression()) || | |||
1267 | isa<MemberExpr>(EI->getAssociatedExpression())) { | |||
1268 | IsVariableAssociatedWithSection = true; | |||
1269 | // There is nothing more we need to know about this variable. | |||
1270 | return true; | |||
1271 | } | |||
1272 | ||||
1273 | // Keep looking for more map info. | |||
1274 | return false; | |||
1275 | }); | |||
1276 | ||||
1277 | if (IsVariableUsedInMapClause) { | |||
1278 | // If variable is identified in a map clause it is always captured by | |||
1279 | // reference except if it is a pointer that is dereferenced somehow. | |||
1280 | IsByRef = !(Ty->isPointerType() && IsVariableAssociatedWithSection); | |||
1281 | } else { | |||
1282 | // By default, all the data that has a scalar type is mapped by copy | |||
1283 | // (except for reduction variables). | |||
1284 | IsByRef = | |||
1285 | !Ty->isScalarType() || | |||
1286 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDefaultDMAAtLevel(Level) == DMA_tofrom_scalar || | |||
1287 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( | |||
1288 | D, [](OpenMPClauseKind K) { return K == OMPC_reduction; }, Level); | |||
1289 | } | |||
1290 | } | |||
1291 | ||||
1292 | if (IsByRef && Ty.getNonReferenceType()->isScalarType()) { | |||
1293 | IsByRef = | |||
1294 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( | |||
1295 | D, | |||
1296 | [](OpenMPClauseKind K) -> bool { return K == OMPC_firstprivate; }, | |||
1297 | Level, /*NotLastprivate=*/true) && | |||
1298 | // If the variable is artificial and must be captured by value - try to | |||
1299 | // capture by value. | |||
1300 | !(isa<OMPCapturedExprDecl>(D) && !D->hasAttr<OMPCaptureNoInitAttr>() && | |||
1301 | !cast<OMPCapturedExprDecl>(D)->getInit()->isGLValue()); | |||
1302 | } | |||
1303 | ||||
1304 | // When passing data by copy, we need to make sure it fits the uintptr size | |||
1305 | // and alignment, because the runtime library only deals with uintptr types. | |||
1306 | // If it does not fit the uintptr size, we need to pass the data by reference | |||
1307 | // instead. | |||
1308 | if (!IsByRef && | |||
1309 | (Ctx.getTypeSizeInChars(Ty) > | |||
1310 | Ctx.getTypeSizeInChars(Ctx.getUIntPtrType()) || | |||
1311 | Ctx.getDeclAlign(D) > Ctx.getTypeAlignInChars(Ctx.getUIntPtrType()))) { | |||
1312 | IsByRef = true; | |||
1313 | } | |||
1314 | ||||
1315 | return IsByRef; | |||
1316 | } | |||
1317 | ||||
1318 | unsigned Sema::getOpenMPNestingLevel() const { | |||
1319 | assert(getLangOpts().OpenMP)(static_cast <bool> (getLangOpts().OpenMP) ? void (0) : __assert_fail ("getLangOpts().OpenMP", "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1319, __extension__ __PRETTY_FUNCTION__)); | |||
1320 | return DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getNestingLevel(); | |||
1321 | } | |||
1322 | ||||
1323 | bool Sema::isInOpenMPTargetExecutionDirective() const { | |||
1324 | return (isOpenMPTargetExecutionDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) && | |||
1325 | !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode()) || | |||
1326 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasDirective( | |||
1327 | [](OpenMPDirectiveKind K, const DeclarationNameInfo &, | |||
1328 | SourceLocation) -> bool { | |||
1329 | return isOpenMPTargetExecutionDirective(K); | |||
1330 | }, | |||
1331 | false); | |||
1332 | } | |||
1333 | ||||
1334 | VarDecl *Sema::IsOpenMPCapturedDecl(ValueDecl *D) { | |||
1335 | assert(LangOpts.OpenMP && "OpenMP is not allowed")(static_cast <bool> (LangOpts.OpenMP && "OpenMP is not allowed" ) ? void (0) : __assert_fail ("LangOpts.OpenMP && \"OpenMP is not allowed\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1335, __extension__ __PRETTY_FUNCTION__)); | |||
1336 | D = getCanonicalDecl(D); | |||
1337 | ||||
1338 | // If we are attempting to capture a global variable in a directive with | |||
1339 | // 'target' we return true so that this global is also mapped to the device. | |||
1340 | // | |||
1341 | // FIXME: If the declaration is enclosed in a 'declare target' directive, | |||
1342 | // then it should not be captured. Therefore, an extra check has to be | |||
1343 | // inserted here once support for 'declare target' is added. | |||
1344 | // | |||
1345 | auto *VD = dyn_cast<VarDecl>(D); | |||
1346 | if (VD && !VD->hasLocalStorage() && isInOpenMPTargetExecutionDirective()) | |||
1347 | return VD; | |||
1348 | ||||
1349 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_unknown && | |||
1350 | (!DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode() || | |||
1351 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentDirective() != OMPD_unknown)) { | |||
1352 | auto &&Info = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isLoopControlVariable(D); | |||
1353 | if (Info.first || | |||
1354 | (VD && VD->hasLocalStorage() && | |||
1355 | isParallelOrTaskRegion(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) || | |||
1356 | (VD && DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isForceVarCapturing())) | |||
1357 | return VD ? VD : Info.second; | |||
1358 | auto DVarPrivate = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode()); | |||
1359 | if (DVarPrivate.CKind != OMPC_unknown && isOpenMPPrivate(DVarPrivate.CKind)) | |||
1360 | return VD ? VD : cast<VarDecl>(DVarPrivate.PrivateCopy->getDecl()); | |||
| ||||
1361 | DVarPrivate = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasDSA( | |||
1362 | D, isOpenMPPrivate, [](OpenMPDirectiveKind) -> bool { return true; }, | |||
1363 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode()); | |||
1364 | if (DVarPrivate.CKind != OMPC_unknown) | |||
1365 | return VD ? VD : cast<VarDecl>(DVarPrivate.PrivateCopy->getDecl()); | |||
1366 | } | |||
1367 | return nullptr; | |||
1368 | } | |||
1369 | ||||
1370 | void Sema::adjustOpenMPTargetScopeIndex(unsigned &FunctionScopesIndex, | |||
1371 | unsigned Level) const { | |||
1372 | SmallVector<OpenMPDirectiveKind, 4> Regions; | |||
1373 | getOpenMPCaptureRegions(Regions, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getDirective(Level)); | |||
1374 | FunctionScopesIndex -= Regions.size(); | |||
1375 | } | |||
1376 | ||||
1377 | bool Sema::isOpenMPPrivateDecl(ValueDecl *D, unsigned Level) { | |||
1378 | assert(LangOpts.OpenMP && "OpenMP is not allowed")(static_cast <bool> (LangOpts.OpenMP && "OpenMP is not allowed" ) ? void (0) : __assert_fail ("LangOpts.OpenMP && \"OpenMP is not allowed\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1378, __extension__ __PRETTY_FUNCTION__)); | |||
1379 | return DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA( | |||
1380 | D, [](OpenMPClauseKind K) -> bool { return K == OMPC_private; }, | |||
1381 | Level) || | |||
1382 | (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isClauseParsingMode() && | |||
1383 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getClauseParsingMode() == OMPC_private) || | |||
1384 | // Consider taskgroup reduction descriptor variable a private to avoid | |||
1385 | // possible capture in the region. | |||
1386 | (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective( | |||
1387 | [](OpenMPDirectiveKind K) { return K == OMPD_taskgroup; }, | |||
1388 | Level) && | |||
1389 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isTaskgroupReductionRef(D, Level)); | |||
1390 | } | |||
1391 | ||||
1392 | void Sema::setOpenMPCaptureKind(FieldDecl *FD, ValueDecl *D, unsigned Level) { | |||
1393 | assert(LangOpts.OpenMP && "OpenMP is not allowed")(static_cast <bool> (LangOpts.OpenMP && "OpenMP is not allowed" ) ? void (0) : __assert_fail ("LangOpts.OpenMP && \"OpenMP is not allowed\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1393, __extension__ __PRETTY_FUNCTION__)); | |||
1394 | D = getCanonicalDecl(D); | |||
1395 | OpenMPClauseKind OMPC = OMPC_unknown; | |||
1396 | for (unsigned I = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getNestingLevel() + 1; I > Level; --I) { | |||
1397 | const unsigned NewLevel = I - 1; | |||
1398 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDSA(D, | |||
1399 | [&OMPC](const OpenMPClauseKind K) { | |||
1400 | if (isOpenMPPrivate(K)) { | |||
1401 | OMPC = K; | |||
1402 | return true; | |||
1403 | } | |||
1404 | return false; | |||
1405 | }, | |||
1406 | NewLevel)) | |||
1407 | break; | |||
1408 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDeclAtLevel( | |||
1409 | D, NewLevel, | |||
1410 | [](OMPClauseMappableExprCommon::MappableExprComponentListRef, | |||
1411 | OpenMPClauseKind) { return true; })) { | |||
1412 | OMPC = OMPC_map; | |||
1413 | break; | |||
1414 | } | |||
1415 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective(isOpenMPTargetExecutionDirective, | |||
1416 | NewLevel)) { | |||
1417 | OMPC = OMPC_firstprivate; | |||
1418 | break; | |||
1419 | } | |||
1420 | } | |||
1421 | if (OMPC != OMPC_unknown) | |||
1422 | FD->addAttr(OMPCaptureKindAttr::CreateImplicit(Context, OMPC)); | |||
1423 | } | |||
1424 | ||||
1425 | bool Sema::isOpenMPTargetCapturedDecl(ValueDecl *D, unsigned Level) { | |||
1426 | assert(LangOpts.OpenMP && "OpenMP is not allowed")(static_cast <bool> (LangOpts.OpenMP && "OpenMP is not allowed" ) ? void (0) : __assert_fail ("LangOpts.OpenMP && \"OpenMP is not allowed\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 1426, __extension__ __PRETTY_FUNCTION__)); | |||
1427 | // Return true if the current level is no longer enclosed in a target region. | |||
1428 | ||||
1429 | auto *VD = dyn_cast<VarDecl>(D); | |||
1430 | return VD && !VD->hasLocalStorage() && | |||
1431 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasExplicitDirective(isOpenMPTargetExecutionDirective, | |||
1432 | Level); | |||
1433 | } | |||
1434 | ||||
1435 | void Sema::DestroyDataSharingAttributesStack() { delete DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ); } | |||
1436 | ||||
1437 | void Sema::StartOpenMPDSABlock(OpenMPDirectiveKind DKind, | |||
1438 | const DeclarationNameInfo &DirName, | |||
1439 | Scope *CurScope, SourceLocation Loc) { | |||
1440 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->push(DKind, DirName, CurScope, Loc); | |||
1441 | PushExpressionEvaluationContext( | |||
1442 | ExpressionEvaluationContext::PotentiallyEvaluated); | |||
1443 | } | |||
1444 | ||||
1445 | void Sema::StartOpenMPClause(OpenMPClauseKind K) { | |||
1446 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setClauseParsingMode(K); | |||
1447 | } | |||
1448 | ||||
1449 | void Sema::EndOpenMPClause() { | |||
1450 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setClauseParsingMode(/*K=*/OMPC_unknown); | |||
1451 | } | |||
1452 | ||||
1453 | void Sema::EndOpenMPDSABlock(Stmt *CurDirective) { | |||
1454 | // OpenMP [2.14.3.5, Restrictions, C/C++, p.1] | |||
1455 | // A variable of class type (or array thereof) that appears in a lastprivate | |||
1456 | // clause requires an accessible, unambiguous default constructor for the | |||
1457 | // class type, unless the list item is also specified in a firstprivate | |||
1458 | // clause. | |||
1459 | if (auto *D = dyn_cast_or_null<OMPExecutableDirective>(CurDirective)) { | |||
1460 | for (auto *C : D->clauses()) { | |||
1461 | if (auto *Clause = dyn_cast<OMPLastprivateClause>(C)) { | |||
1462 | SmallVector<Expr *, 8> PrivateCopies; | |||
1463 | for (auto *DE : Clause->varlists()) { | |||
1464 | if (DE->isValueDependent() || DE->isTypeDependent()) { | |||
1465 | PrivateCopies.push_back(nullptr); | |||
1466 | continue; | |||
1467 | } | |||
1468 | auto *DRE = cast<DeclRefExpr>(DE->IgnoreParens()); | |||
1469 | VarDecl *VD = cast<VarDecl>(DRE->getDecl()); | |||
1470 | QualType Type = VD->getType().getNonReferenceType(); | |||
1471 | auto DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(VD, false); | |||
1472 | if (DVar.CKind == OMPC_lastprivate) { | |||
1473 | // Generate helper private variable and initialize it with the | |||
1474 | // default value. The address of the original variable is replaced | |||
1475 | // by the address of the new private variable in CodeGen. This new | |||
1476 | // variable is not added to IdResolver, so the code in the OpenMP | |||
1477 | // region uses original variable for proper diagnostics. | |||
1478 | auto *VDPrivate = buildVarDecl( | |||
1479 | *this, DE->getExprLoc(), Type.getUnqualifiedType(), | |||
1480 | VD->getName(), VD->hasAttrs() ? &VD->getAttrs() : nullptr); | |||
1481 | ActOnUninitializedDecl(VDPrivate); | |||
1482 | if (VDPrivate->isInvalidDecl()) | |||
1483 | continue; | |||
1484 | PrivateCopies.push_back(buildDeclRefExpr( | |||
1485 | *this, VDPrivate, DE->getType(), DE->getExprLoc())); | |||
1486 | } else { | |||
1487 | // The variable is also a firstprivate, so initialization sequence | |||
1488 | // for private copy is generated already. | |||
1489 | PrivateCopies.push_back(nullptr); | |||
1490 | } | |||
1491 | } | |||
1492 | // Set initializers to private copies if no errors were found. | |||
1493 | if (PrivateCopies.size() == Clause->varlist_size()) | |||
1494 | Clause->setPrivateCopies(PrivateCopies); | |||
1495 | } | |||
1496 | } | |||
1497 | } | |||
1498 | ||||
1499 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->pop(); | |||
1500 | DiscardCleanupsInEvaluationContext(); | |||
1501 | PopExpressionEvaluationContext(); | |||
1502 | } | |||
1503 | ||||
1504 | static bool FinishOpenMPLinearClause(OMPLinearClause &Clause, DeclRefExpr *IV, | |||
1505 | Expr *NumIterations, Sema &SemaRef, | |||
1506 | Scope *S, DSAStackTy *Stack); | |||
1507 | ||||
1508 | namespace { | |||
1509 | ||||
1510 | class VarDeclFilterCCC : public CorrectionCandidateCallback { | |||
1511 | private: | |||
1512 | Sema &SemaRef; | |||
1513 | ||||
1514 | public: | |||
1515 | explicit VarDeclFilterCCC(Sema &S) : SemaRef(S) {} | |||
1516 | bool ValidateCandidate(const TypoCorrection &Candidate) override { | |||
1517 | NamedDecl *ND = Candidate.getCorrectionDecl(); | |||
1518 | if (auto *VD = dyn_cast_or_null<VarDecl>(ND)) { | |||
1519 | return VD->hasGlobalStorage() && | |||
1520 | SemaRef.isDeclInScope(ND, SemaRef.getCurLexicalContext(), | |||
1521 | SemaRef.getCurScope()); | |||
1522 | } | |||
1523 | return false; | |||
1524 | } | |||
1525 | }; | |||
1526 | ||||
1527 | class VarOrFuncDeclFilterCCC : public CorrectionCandidateCallback { | |||
1528 | private: | |||
1529 | Sema &SemaRef; | |||
1530 | ||||
1531 | public: | |||
1532 | explicit VarOrFuncDeclFilterCCC(Sema &S) : SemaRef(S) {} | |||
1533 | bool ValidateCandidate(const TypoCorrection &Candidate) override { | |||
1534 | NamedDecl *ND = Candidate.getCorrectionDecl(); | |||
1535 | if (ND && (isa<VarDecl>(ND) || isa<FunctionDecl>(ND))) { | |||
1536 | return SemaRef.isDeclInScope(ND, SemaRef.getCurLexicalContext(), | |||
1537 | SemaRef.getCurScope()); | |||
1538 | } | |||
1539 | return false; | |||
1540 | } | |||
1541 | }; | |||
1542 | ||||
1543 | } // namespace | |||
1544 | ||||
1545 | ExprResult Sema::ActOnOpenMPIdExpression(Scope *CurScope, | |||
1546 | CXXScopeSpec &ScopeSpec, | |||
1547 | const DeclarationNameInfo &Id) { | |||
1548 | LookupResult Lookup(*this, Id, LookupOrdinaryName); | |||
1549 | LookupParsedName(Lookup, CurScope, &ScopeSpec, true); | |||
1550 | ||||
1551 | if (Lookup.isAmbiguous()) | |||
1552 | return ExprError(); | |||
1553 | ||||
1554 | VarDecl *VD; | |||
1555 | if (!Lookup.isSingleResult()) { | |||
1556 | if (TypoCorrection Corrected = CorrectTypo( | |||
1557 | Id, LookupOrdinaryName, CurScope, nullptr, | |||
1558 | llvm::make_unique<VarDeclFilterCCC>(*this), CTK_ErrorRecovery)) { | |||
1559 | diagnoseTypo(Corrected, | |||
1560 | PDiag(Lookup.empty() | |||
1561 | ? diag::err_undeclared_var_use_suggest | |||
1562 | : diag::err_omp_expected_var_arg_suggest) | |||
1563 | << Id.getName()); | |||
1564 | VD = Corrected.getCorrectionDeclAs<VarDecl>(); | |||
1565 | } else { | |||
1566 | Diag(Id.getLoc(), Lookup.empty() ? diag::err_undeclared_var_use | |||
1567 | : diag::err_omp_expected_var_arg) | |||
1568 | << Id.getName(); | |||
1569 | return ExprError(); | |||
1570 | } | |||
1571 | } else { | |||
1572 | if (!(VD = Lookup.getAsSingle<VarDecl>())) { | |||
1573 | Diag(Id.getLoc(), diag::err_omp_expected_var_arg) << Id.getName(); | |||
1574 | Diag(Lookup.getFoundDecl()->getLocation(), diag::note_declared_at); | |||
1575 | return ExprError(); | |||
1576 | } | |||
1577 | } | |||
1578 | Lookup.suppressDiagnostics(); | |||
1579 | ||||
1580 | // OpenMP [2.9.2, Syntax, C/C++] | |||
1581 | // Variables must be file-scope, namespace-scope, or static block-scope. | |||
1582 | if (!VD->hasGlobalStorage()) { | |||
1583 | Diag(Id.getLoc(), diag::err_omp_global_var_arg) | |||
1584 | << getOpenMPDirectiveName(OMPD_threadprivate) << !VD->isStaticLocal(); | |||
1585 | bool IsDecl = | |||
1586 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | |||
1587 | Diag(VD->getLocation(), | |||
1588 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
1589 | << VD; | |||
1590 | return ExprError(); | |||
1591 | } | |||
1592 | ||||
1593 | VarDecl *CanonicalVD = VD->getCanonicalDecl(); | |||
1594 | NamedDecl *ND = CanonicalVD; | |||
1595 | // OpenMP [2.9.2, Restrictions, C/C++, p.2] | |||
1596 | // A threadprivate directive for file-scope variables must appear outside | |||
1597 | // any definition or declaration. | |||
1598 | if (CanonicalVD->getDeclContext()->isTranslationUnit() && | |||
1599 | !getCurLexicalContext()->isTranslationUnit()) { | |||
1600 | Diag(Id.getLoc(), diag::err_omp_var_scope) | |||
1601 | << getOpenMPDirectiveName(OMPD_threadprivate) << VD; | |||
1602 | bool IsDecl = | |||
1603 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | |||
1604 | Diag(VD->getLocation(), | |||
1605 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
1606 | << VD; | |||
1607 | return ExprError(); | |||
1608 | } | |||
1609 | // OpenMP [2.9.2, Restrictions, C/C++, p.3] | |||
1610 | // A threadprivate directive for static class member variables must appear | |||
1611 | // in the class definition, in the same scope in which the member | |||
1612 | // variables are declared. | |||
1613 | if (CanonicalVD->isStaticDataMember() && | |||
1614 | !CanonicalVD->getDeclContext()->Equals(getCurLexicalContext())) { | |||
1615 | Diag(Id.getLoc(), diag::err_omp_var_scope) | |||
1616 | << getOpenMPDirectiveName(OMPD_threadprivate) << VD; | |||
1617 | bool IsDecl = | |||
1618 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | |||
1619 | Diag(VD->getLocation(), | |||
1620 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
1621 | << VD; | |||
1622 | return ExprError(); | |||
1623 | } | |||
1624 | // OpenMP [2.9.2, Restrictions, C/C++, p.4] | |||
1625 | // A threadprivate directive for namespace-scope variables must appear | |||
1626 | // outside any definition or declaration other than the namespace | |||
1627 | // definition itself. | |||
1628 | if (CanonicalVD->getDeclContext()->isNamespace() && | |||
1629 | (!getCurLexicalContext()->isFileContext() || | |||
1630 | !getCurLexicalContext()->Encloses(CanonicalVD->getDeclContext()))) { | |||
1631 | Diag(Id.getLoc(), diag::err_omp_var_scope) | |||
1632 | << getOpenMPDirectiveName(OMPD_threadprivate) << VD; | |||
1633 | bool IsDecl = | |||
1634 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | |||
1635 | Diag(VD->getLocation(), | |||
1636 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
1637 | << VD; | |||
1638 | return ExprError(); | |||
1639 | } | |||
1640 | // OpenMP [2.9.2, Restrictions, C/C++, p.6] | |||
1641 | // A threadprivate directive for static block-scope variables must appear | |||
1642 | // in the scope of the variable and not in a nested scope. | |||
1643 | if (CanonicalVD->isStaticLocal() && CurScope && | |||
1644 | !isDeclInScope(ND, getCurLexicalContext(), CurScope)) { | |||
1645 | Diag(Id.getLoc(), diag::err_omp_var_scope) | |||
1646 | << getOpenMPDirectiveName(OMPD_threadprivate) << VD; | |||
1647 | bool IsDecl = | |||
1648 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | |||
1649 | Diag(VD->getLocation(), | |||
1650 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
1651 | << VD; | |||
1652 | return ExprError(); | |||
1653 | } | |||
1654 | ||||
1655 | // OpenMP [2.9.2, Restrictions, C/C++, p.2-6] | |||
1656 | // A threadprivate directive must lexically precede all references to any | |||
1657 | // of the variables in its list. | |||
1658 | if (VD->isUsed() && !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isThreadPrivate(VD)) { | |||
1659 | Diag(Id.getLoc(), diag::err_omp_var_used) | |||
1660 | << getOpenMPDirectiveName(OMPD_threadprivate) << VD; | |||
1661 | return ExprError(); | |||
1662 | } | |||
1663 | ||||
1664 | QualType ExprType = VD->getType().getNonReferenceType(); | |||
1665 | return DeclRefExpr::Create(Context, NestedNameSpecifierLoc(), | |||
1666 | SourceLocation(), VD, | |||
1667 | /*RefersToEnclosingVariableOrCapture=*/false, | |||
1668 | Id.getLoc(), ExprType, VK_LValue); | |||
1669 | } | |||
1670 | ||||
1671 | Sema::DeclGroupPtrTy | |||
1672 | Sema::ActOnOpenMPThreadprivateDirective(SourceLocation Loc, | |||
1673 | ArrayRef<Expr *> VarList) { | |||
1674 | if (OMPThreadPrivateDecl *D = CheckOMPThreadPrivateDecl(Loc, VarList)) { | |||
1675 | CurContext->addDecl(D); | |||
1676 | return DeclGroupPtrTy::make(DeclGroupRef(D)); | |||
1677 | } | |||
1678 | return nullptr; | |||
1679 | } | |||
1680 | ||||
1681 | namespace { | |||
1682 | class LocalVarRefChecker : public ConstStmtVisitor<LocalVarRefChecker, bool> { | |||
1683 | Sema &SemaRef; | |||
1684 | ||||
1685 | public: | |||
1686 | bool VisitDeclRefExpr(const DeclRefExpr *E) { | |||
1687 | if (auto *VD = dyn_cast<VarDecl>(E->getDecl())) { | |||
1688 | if (VD->hasLocalStorage()) { | |||
1689 | SemaRef.Diag(E->getLocStart(), | |||
1690 | diag::err_omp_local_var_in_threadprivate_init) | |||
1691 | << E->getSourceRange(); | |||
1692 | SemaRef.Diag(VD->getLocation(), diag::note_defined_here) | |||
1693 | << VD << VD->getSourceRange(); | |||
1694 | return true; | |||
1695 | } | |||
1696 | } | |||
1697 | return false; | |||
1698 | } | |||
1699 | bool VisitStmt(const Stmt *S) { | |||
1700 | for (auto Child : S->children()) { | |||
1701 | if (Child && Visit(Child)) | |||
1702 | return true; | |||
1703 | } | |||
1704 | return false; | |||
1705 | } | |||
1706 | explicit LocalVarRefChecker(Sema &SemaRef) : SemaRef(SemaRef) {} | |||
1707 | }; | |||
1708 | } // namespace | |||
1709 | ||||
1710 | OMPThreadPrivateDecl * | |||
1711 | Sema::CheckOMPThreadPrivateDecl(SourceLocation Loc, ArrayRef<Expr *> VarList) { | |||
1712 | SmallVector<Expr *, 8> Vars; | |||
1713 | for (auto &RefExpr : VarList) { | |||
1714 | DeclRefExpr *DE = cast<DeclRefExpr>(RefExpr); | |||
1715 | VarDecl *VD = cast<VarDecl>(DE->getDecl()); | |||
1716 | SourceLocation ILoc = DE->getExprLoc(); | |||
1717 | ||||
1718 | // Mark variable as used. | |||
1719 | VD->setReferenced(); | |||
1720 | VD->markUsed(Context); | |||
1721 | ||||
1722 | QualType QType = VD->getType(); | |||
1723 | if (QType->isDependentType() || QType->isInstantiationDependentType()) { | |||
1724 | // It will be analyzed later. | |||
1725 | Vars.push_back(DE); | |||
1726 | continue; | |||
1727 | } | |||
1728 | ||||
1729 | // OpenMP [2.9.2, Restrictions, C/C++, p.10] | |||
1730 | // A threadprivate variable must not have an incomplete type. | |||
1731 | if (RequireCompleteType(ILoc, VD->getType(), | |||
1732 | diag::err_omp_threadprivate_incomplete_type)) { | |||
1733 | continue; | |||
1734 | } | |||
1735 | ||||
1736 | // OpenMP [2.9.2, Restrictions, C/C++, p.10] | |||
1737 | // A threadprivate variable must not have a reference type. | |||
1738 | if (VD->getType()->isReferenceType()) { | |||
1739 | Diag(ILoc, diag::err_omp_ref_type_arg) | |||
1740 | << getOpenMPDirectiveName(OMPD_threadprivate) << VD->getType(); | |||
1741 | bool IsDecl = | |||
1742 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | |||
1743 | Diag(VD->getLocation(), | |||
1744 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
1745 | << VD; | |||
1746 | continue; | |||
1747 | } | |||
1748 | ||||
1749 | // Check if this is a TLS variable. If TLS is not being supported, produce | |||
1750 | // the corresponding diagnostic. | |||
1751 | if ((VD->getTLSKind() != VarDecl::TLS_None && | |||
1752 | !(VD->hasAttr<OMPThreadPrivateDeclAttr>() && | |||
1753 | getLangOpts().OpenMPUseTLS && | |||
1754 | getASTContext().getTargetInfo().isTLSSupported())) || | |||
1755 | (VD->getStorageClass() == SC_Register && VD->hasAttr<AsmLabelAttr>() && | |||
1756 | !VD->isLocalVarDecl())) { | |||
1757 | Diag(ILoc, diag::err_omp_var_thread_local) | |||
1758 | << VD << ((VD->getTLSKind() != VarDecl::TLS_None) ? 0 : 1); | |||
1759 | bool IsDecl = | |||
1760 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | |||
1761 | Diag(VD->getLocation(), | |||
1762 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
1763 | << VD; | |||
1764 | continue; | |||
1765 | } | |||
1766 | ||||
1767 | // Check if initial value of threadprivate variable reference variable with | |||
1768 | // local storage (it is not supported by runtime). | |||
1769 | if (auto Init = VD->getAnyInitializer()) { | |||
1770 | LocalVarRefChecker Checker(*this); | |||
1771 | if (Checker.Visit(Init)) | |||
1772 | continue; | |||
1773 | } | |||
1774 | ||||
1775 | Vars.push_back(RefExpr); | |||
1776 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(VD, DE, OMPC_threadprivate); | |||
1777 | VD->addAttr(OMPThreadPrivateDeclAttr::CreateImplicit( | |||
1778 | Context, SourceRange(Loc, Loc))); | |||
1779 | if (auto *ML = Context.getASTMutationListener()) | |||
1780 | ML->DeclarationMarkedOpenMPThreadPrivate(VD); | |||
1781 | } | |||
1782 | OMPThreadPrivateDecl *D = nullptr; | |||
1783 | if (!Vars.empty()) { | |||
1784 | D = OMPThreadPrivateDecl::Create(Context, getCurLexicalContext(), Loc, | |||
1785 | Vars); | |||
1786 | D->setAccess(AS_public); | |||
1787 | } | |||
1788 | return D; | |||
1789 | } | |||
1790 | ||||
1791 | static void ReportOriginalDSA(Sema &SemaRef, DSAStackTy *Stack, | |||
1792 | const ValueDecl *D, DSAStackTy::DSAVarData DVar, | |||
1793 | bool IsLoopIterVar = false) { | |||
1794 | if (DVar.RefExpr) { | |||
1795 | SemaRef.Diag(DVar.RefExpr->getExprLoc(), diag::note_omp_explicit_dsa) | |||
1796 | << getOpenMPClauseName(DVar.CKind); | |||
1797 | return; | |||
1798 | } | |||
1799 | enum { | |||
1800 | PDSA_StaticMemberShared, | |||
1801 | PDSA_StaticLocalVarShared, | |||
1802 | PDSA_LoopIterVarPrivate, | |||
1803 | PDSA_LoopIterVarLinear, | |||
1804 | PDSA_LoopIterVarLastprivate, | |||
1805 | PDSA_ConstVarShared, | |||
1806 | PDSA_GlobalVarShared, | |||
1807 | PDSA_TaskVarFirstprivate, | |||
1808 | PDSA_LocalVarPrivate, | |||
1809 | PDSA_Implicit | |||
1810 | } Reason = PDSA_Implicit; | |||
1811 | bool ReportHint = false; | |||
1812 | auto ReportLoc = D->getLocation(); | |||
1813 | auto *VD = dyn_cast<VarDecl>(D); | |||
1814 | if (IsLoopIterVar) { | |||
1815 | if (DVar.CKind == OMPC_private) | |||
1816 | Reason = PDSA_LoopIterVarPrivate; | |||
1817 | else if (DVar.CKind == OMPC_lastprivate) | |||
1818 | Reason = PDSA_LoopIterVarLastprivate; | |||
1819 | else | |||
1820 | Reason = PDSA_LoopIterVarLinear; | |||
1821 | } else if (isOpenMPTaskingDirective(DVar.DKind) && | |||
1822 | DVar.CKind == OMPC_firstprivate) { | |||
1823 | Reason = PDSA_TaskVarFirstprivate; | |||
1824 | ReportLoc = DVar.ImplicitDSALoc; | |||
1825 | } else if (VD && VD->isStaticLocal()) | |||
1826 | Reason = PDSA_StaticLocalVarShared; | |||
1827 | else if (VD && VD->isStaticDataMember()) | |||
1828 | Reason = PDSA_StaticMemberShared; | |||
1829 | else if (VD && VD->isFileVarDecl()) | |||
1830 | Reason = PDSA_GlobalVarShared; | |||
1831 | else if (D->getType().isConstant(SemaRef.getASTContext())) | |||
1832 | Reason = PDSA_ConstVarShared; | |||
1833 | else if (VD && VD->isLocalVarDecl() && DVar.CKind == OMPC_private) { | |||
1834 | ReportHint = true; | |||
1835 | Reason = PDSA_LocalVarPrivate; | |||
1836 | } | |||
1837 | if (Reason != PDSA_Implicit) { | |||
1838 | SemaRef.Diag(ReportLoc, diag::note_omp_predetermined_dsa) | |||
1839 | << Reason << ReportHint | |||
1840 | << getOpenMPDirectiveName(Stack->getCurrentDirective()); | |||
1841 | } else if (DVar.ImplicitDSALoc.isValid()) { | |||
1842 | SemaRef.Diag(DVar.ImplicitDSALoc, diag::note_omp_implicit_dsa) | |||
1843 | << getOpenMPClauseName(DVar.CKind); | |||
1844 | } | |||
1845 | } | |||
1846 | ||||
1847 | namespace { | |||
1848 | class DSAAttrChecker : public StmtVisitor<DSAAttrChecker, void> { | |||
1849 | DSAStackTy *Stack; | |||
1850 | Sema &SemaRef; | |||
1851 | bool ErrorFound; | |||
1852 | CapturedStmt *CS; | |||
1853 | llvm::SmallVector<Expr *, 8> ImplicitFirstprivate; | |||
1854 | llvm::SmallVector<Expr *, 8> ImplicitMap; | |||
1855 | llvm::DenseMap<ValueDecl *, Expr *> VarsWithInheritedDSA; | |||
1856 | llvm::DenseSet<ValueDecl *> ImplicitDeclarations; | |||
1857 | ||||
1858 | public: | |||
1859 | void VisitDeclRefExpr(DeclRefExpr *E) { | |||
1860 | if (E->isTypeDependent() || E->isValueDependent() || | |||
1861 | E->containsUnexpandedParameterPack() || E->isInstantiationDependent()) | |||
1862 | return; | |||
1863 | if (auto *VD = dyn_cast<VarDecl>(E->getDecl())) { | |||
1864 | VD = VD->getCanonicalDecl(); | |||
1865 | // Skip internally declared variables. | |||
1866 | if (VD->hasLocalStorage() && !CS->capturesVariable(VD)) | |||
1867 | return; | |||
1868 | ||||
1869 | auto DVar = Stack->getTopDSA(VD, false); | |||
1870 | // Check if the variable has explicit DSA set and stop analysis if it so. | |||
1871 | if (DVar.RefExpr || !ImplicitDeclarations.insert(VD).second) | |||
1872 | return; | |||
1873 | ||||
1874 | // Skip internally declared static variables. | |||
1875 | if (VD->hasGlobalStorage() && !CS->capturesVariable(VD)) | |||
1876 | return; | |||
1877 | ||||
1878 | auto ELoc = E->getExprLoc(); | |||
1879 | auto DKind = Stack->getCurrentDirective(); | |||
1880 | // The default(none) clause requires that each variable that is referenced | |||
1881 | // in the construct, and does not have a predetermined data-sharing | |||
1882 | // attribute, must have its data-sharing attribute explicitly determined | |||
1883 | // by being listed in a data-sharing attribute clause. | |||
1884 | if (DVar.CKind == OMPC_unknown && Stack->getDefaultDSA() == DSA_none && | |||
1885 | isParallelOrTaskRegion(DKind) && | |||
1886 | VarsWithInheritedDSA.count(VD) == 0) { | |||
1887 | VarsWithInheritedDSA[VD] = E; | |||
1888 | return; | |||
1889 | } | |||
1890 | ||||
1891 | if (isOpenMPTargetExecutionDirective(DKind) && | |||
1892 | !Stack->isLoopControlVariable(VD).first) { | |||
1893 | if (!Stack->checkMappableExprComponentListsForDecl( | |||
1894 | VD, /*CurrentRegionOnly=*/true, | |||
1895 | [](OMPClauseMappableExprCommon::MappableExprComponentListRef | |||
1896 | StackComponents, | |||
1897 | OpenMPClauseKind) { | |||
1898 | // Variable is used if it has been marked as an array, array | |||
1899 | // section or the variable iself. | |||
1900 | return StackComponents.size() == 1 || | |||
1901 | std::all_of( | |||
1902 | std::next(StackComponents.rbegin()), | |||
1903 | StackComponents.rend(), | |||
1904 | [](const OMPClauseMappableExprCommon:: | |||
1905 | MappableComponent &MC) { | |||
1906 | return MC.getAssociatedDeclaration() == | |||
1907 | nullptr && | |||
1908 | (isa<OMPArraySectionExpr>( | |||
1909 | MC.getAssociatedExpression()) || | |||
1910 | isa<ArraySubscriptExpr>( | |||
1911 | MC.getAssociatedExpression())); | |||
1912 | }); | |||
1913 | })) { | |||
1914 | bool IsFirstprivate = false; | |||
1915 | // By default lambdas are captured as firstprivates. | |||
1916 | if (const auto *RD = | |||
1917 | VD->getType().getNonReferenceType()->getAsCXXRecordDecl()) | |||
1918 | IsFirstprivate = RD->isLambda(); | |||
1919 | IsFirstprivate = | |||
1920 | IsFirstprivate || | |||
1921 | (VD->getType().getNonReferenceType()->isScalarType() && | |||
1922 | Stack->getDefaultDMA() != DMA_tofrom_scalar); | |||
1923 | if (IsFirstprivate) | |||
1924 | ImplicitFirstprivate.emplace_back(E); | |||
1925 | else | |||
1926 | ImplicitMap.emplace_back(E); | |||
1927 | return; | |||
1928 | } | |||
1929 | } | |||
1930 | ||||
1931 | // OpenMP [2.9.3.6, Restrictions, p.2] | |||
1932 | // A list item that appears in a reduction clause of the innermost | |||
1933 | // enclosing worksharing or parallel construct may not be accessed in an | |||
1934 | // explicit task. | |||
1935 | DVar = Stack->hasInnermostDSA( | |||
1936 | VD, [](OpenMPClauseKind C) -> bool { return C == OMPC_reduction; }, | |||
1937 | [](OpenMPDirectiveKind K) -> bool { | |||
1938 | return isOpenMPParallelDirective(K) || | |||
1939 | isOpenMPWorksharingDirective(K) || isOpenMPTeamsDirective(K); | |||
1940 | }, | |||
1941 | /*FromParent=*/true); | |||
1942 | if (isOpenMPTaskingDirective(DKind) && DVar.CKind == OMPC_reduction) { | |||
1943 | ErrorFound = true; | |||
1944 | SemaRef.Diag(ELoc, diag::err_omp_reduction_in_task); | |||
1945 | ReportOriginalDSA(SemaRef, Stack, VD, DVar); | |||
1946 | return; | |||
1947 | } | |||
1948 | ||||
1949 | // Define implicit data-sharing attributes for task. | |||
1950 | DVar = Stack->getImplicitDSA(VD, false); | |||
1951 | if (isOpenMPTaskingDirective(DKind) && DVar.CKind != OMPC_shared && | |||
1952 | !Stack->isLoopControlVariable(VD).first) | |||
1953 | ImplicitFirstprivate.push_back(E); | |||
1954 | } | |||
1955 | } | |||
1956 | void VisitMemberExpr(MemberExpr *E) { | |||
1957 | if (E->isTypeDependent() || E->isValueDependent() || | |||
1958 | E->containsUnexpandedParameterPack() || E->isInstantiationDependent()) | |||
1959 | return; | |||
1960 | auto *FD = dyn_cast<FieldDecl>(E->getMemberDecl()); | |||
1961 | OpenMPDirectiveKind DKind = Stack->getCurrentDirective(); | |||
1962 | if (isa<CXXThisExpr>(E->getBase()->IgnoreParens())) { | |||
1963 | if (!FD) | |||
1964 | return; | |||
1965 | auto DVar = Stack->getTopDSA(FD, false); | |||
1966 | // Check if the variable has explicit DSA set and stop analysis if it | |||
1967 | // so. | |||
1968 | if (DVar.RefExpr || !ImplicitDeclarations.insert(FD).second) | |||
1969 | return; | |||
1970 | ||||
1971 | if (isOpenMPTargetExecutionDirective(DKind) && | |||
1972 | !Stack->isLoopControlVariable(FD).first && | |||
1973 | !Stack->checkMappableExprComponentListsForDecl( | |||
1974 | FD, /*CurrentRegionOnly=*/true, | |||
1975 | [](OMPClauseMappableExprCommon::MappableExprComponentListRef | |||
1976 | StackComponents, | |||
1977 | OpenMPClauseKind) { | |||
1978 | return isa<CXXThisExpr>( | |||
1979 | cast<MemberExpr>( | |||
1980 | StackComponents.back().getAssociatedExpression()) | |||
1981 | ->getBase() | |||
1982 | ->IgnoreParens()); | |||
1983 | })) { | |||
1984 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C/C++, p.3] | |||
1985 | // A bit-field cannot appear in a map clause. | |||
1986 | // | |||
1987 | if (FD->isBitField()) | |||
1988 | return; | |||
1989 | ImplicitMap.emplace_back(E); | |||
1990 | return; | |||
1991 | } | |||
1992 | ||||
1993 | auto ELoc = E->getExprLoc(); | |||
1994 | // OpenMP [2.9.3.6, Restrictions, p.2] | |||
1995 | // A list item that appears in a reduction clause of the innermost | |||
1996 | // enclosing worksharing or parallel construct may not be accessed in | |||
1997 | // an explicit task. | |||
1998 | DVar = Stack->hasInnermostDSA( | |||
1999 | FD, [](OpenMPClauseKind C) -> bool { return C == OMPC_reduction; }, | |||
2000 | [](OpenMPDirectiveKind K) -> bool { | |||
2001 | return isOpenMPParallelDirective(K) || | |||
2002 | isOpenMPWorksharingDirective(K) || isOpenMPTeamsDirective(K); | |||
2003 | }, | |||
2004 | /*FromParent=*/true); | |||
2005 | if (isOpenMPTaskingDirective(DKind) && DVar.CKind == OMPC_reduction) { | |||
2006 | ErrorFound = true; | |||
2007 | SemaRef.Diag(ELoc, diag::err_omp_reduction_in_task); | |||
2008 | ReportOriginalDSA(SemaRef, Stack, FD, DVar); | |||
2009 | return; | |||
2010 | } | |||
2011 | ||||
2012 | // Define implicit data-sharing attributes for task. | |||
2013 | DVar = Stack->getImplicitDSA(FD, false); | |||
2014 | if (isOpenMPTaskingDirective(DKind) && DVar.CKind != OMPC_shared && | |||
2015 | !Stack->isLoopControlVariable(FD).first) | |||
2016 | ImplicitFirstprivate.push_back(E); | |||
2017 | return; | |||
2018 | } | |||
2019 | if (isOpenMPTargetExecutionDirective(DKind)) { | |||
2020 | OMPClauseMappableExprCommon::MappableExprComponentList CurComponents; | |||
2021 | if (!CheckMapClauseExpressionBase(SemaRef, E, CurComponents, OMPC_map, | |||
2022 | /*NoDiagnose=*/true)) | |||
2023 | return; | |||
2024 | auto *VD = cast<ValueDecl>( | |||
2025 | CurComponents.back().getAssociatedDeclaration()->getCanonicalDecl()); | |||
2026 | if (!Stack->checkMappableExprComponentListsForDecl( | |||
2027 | VD, /*CurrentRegionOnly=*/true, | |||
2028 | [&CurComponents]( | |||
2029 | OMPClauseMappableExprCommon::MappableExprComponentListRef | |||
2030 | StackComponents, | |||
2031 | OpenMPClauseKind) { | |||
2032 | auto CCI = CurComponents.rbegin(); | |||
2033 | auto CCE = CurComponents.rend(); | |||
2034 | for (const auto &SC : llvm::reverse(StackComponents)) { | |||
2035 | // Do both expressions have the same kind? | |||
2036 | if (CCI->getAssociatedExpression()->getStmtClass() != | |||
2037 | SC.getAssociatedExpression()->getStmtClass()) | |||
2038 | if (!(isa<OMPArraySectionExpr>( | |||
2039 | SC.getAssociatedExpression()) && | |||
2040 | isa<ArraySubscriptExpr>( | |||
2041 | CCI->getAssociatedExpression()))) | |||
2042 | return false; | |||
2043 | ||||
2044 | Decl *CCD = CCI->getAssociatedDeclaration(); | |||
2045 | Decl *SCD = SC.getAssociatedDeclaration(); | |||
2046 | CCD = CCD ? CCD->getCanonicalDecl() : nullptr; | |||
2047 | SCD = SCD ? SCD->getCanonicalDecl() : nullptr; | |||
2048 | if (SCD != CCD) | |||
2049 | return false; | |||
2050 | std::advance(CCI, 1); | |||
2051 | if (CCI == CCE) | |||
2052 | break; | |||
2053 | } | |||
2054 | return true; | |||
2055 | })) { | |||
2056 | Visit(E->getBase()); | |||
2057 | } | |||
2058 | } else | |||
2059 | Visit(E->getBase()); | |||
2060 | } | |||
2061 | void VisitOMPExecutableDirective(OMPExecutableDirective *S) { | |||
2062 | for (auto *C : S->clauses()) { | |||
2063 | // Skip analysis of arguments of implicitly defined firstprivate clause | |||
2064 | // for task|target directives. | |||
2065 | // Skip analysis of arguments of implicitly defined map clause for target | |||
2066 | // directives. | |||
2067 | if (C && !((isa<OMPFirstprivateClause>(C) || isa<OMPMapClause>(C)) && | |||
2068 | C->isImplicit())) { | |||
2069 | for (auto *CC : C->children()) { | |||
2070 | if (CC) | |||
2071 | Visit(CC); | |||
2072 | } | |||
2073 | } | |||
2074 | } | |||
2075 | } | |||
2076 | void VisitStmt(Stmt *S) { | |||
2077 | for (auto *C : S->children()) { | |||
2078 | if (C && !isa<OMPExecutableDirective>(C)) | |||
2079 | Visit(C); | |||
2080 | } | |||
2081 | } | |||
2082 | ||||
2083 | bool isErrorFound() { return ErrorFound; } | |||
2084 | ArrayRef<Expr *> getImplicitFirstprivate() const { | |||
2085 | return ImplicitFirstprivate; | |||
2086 | } | |||
2087 | ArrayRef<Expr *> getImplicitMap() const { return ImplicitMap; } | |||
2088 | llvm::DenseMap<ValueDecl *, Expr *> &getVarsWithInheritedDSA() { | |||
2089 | return VarsWithInheritedDSA; | |||
2090 | } | |||
2091 | ||||
2092 | DSAAttrChecker(DSAStackTy *S, Sema &SemaRef, CapturedStmt *CS) | |||
2093 | : Stack(S), SemaRef(SemaRef), ErrorFound(false), CS(CS) {} | |||
2094 | }; | |||
2095 | } // namespace | |||
2096 | ||||
2097 | void Sema::ActOnOpenMPRegionStart(OpenMPDirectiveKind DKind, Scope *CurScope) { | |||
2098 | switch (DKind) { | |||
2099 | case OMPD_parallel: | |||
2100 | case OMPD_parallel_for: | |||
2101 | case OMPD_parallel_for_simd: | |||
2102 | case OMPD_parallel_sections: | |||
2103 | case OMPD_teams: | |||
2104 | case OMPD_teams_distribute: | |||
2105 | case OMPD_teams_distribute_simd: { | |||
2106 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1); | |||
2107 | QualType KmpInt32PtrTy = | |||
2108 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | |||
2109 | Sema::CapturedParamNameType Params[] = { | |||
2110 | std::make_pair(".global_tid.", KmpInt32PtrTy), | |||
2111 | std::make_pair(".bound_tid.", KmpInt32PtrTy), | |||
2112 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
2113 | }; | |||
2114 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
2115 | Params); | |||
2116 | break; | |||
2117 | } | |||
2118 | case OMPD_target_teams: | |||
2119 | case OMPD_target_parallel: | |||
2120 | case OMPD_target_parallel_for: | |||
2121 | case OMPD_target_parallel_for_simd: | |||
2122 | case OMPD_target_teams_distribute: | |||
2123 | case OMPD_target_teams_distribute_simd: { | |||
2124 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1); | |||
2125 | QualType Args[] = {Context.VoidPtrTy.withConst().withRestrict()}; | |||
2126 | FunctionProtoType::ExtProtoInfo EPI; | |||
2127 | EPI.Variadic = true; | |||
2128 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); | |||
2129 | Sema::CapturedParamNameType Params[] = { | |||
2130 | std::make_pair(".global_tid.", KmpInt32Ty), | |||
2131 | std::make_pair(".part_id.", Context.getPointerType(KmpInt32Ty)), | |||
2132 | std::make_pair(".privates.", Context.VoidPtrTy.withConst()), | |||
2133 | std::make_pair(".copy_fn.", | |||
2134 | Context.getPointerType(CopyFnType).withConst()), | |||
2135 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), | |||
2136 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
2137 | }; | |||
2138 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
2139 | Params); | |||
2140 | // Mark this captured region as inlined, because we don't use outlined | |||
2141 | // function directly. | |||
2142 | getCurCapturedRegion()->TheCapturedDecl->addAttr( | |||
2143 | AlwaysInlineAttr::CreateImplicit( | |||
2144 | Context, AlwaysInlineAttr::Keyword_forceinline, SourceRange())); | |||
2145 | Sema::CapturedParamNameType ParamsTarget[] = { | |||
2146 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
2147 | }; | |||
2148 | // Start a captured region for 'target' with no implicit parameters. | |||
2149 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
2150 | ParamsTarget); | |||
2151 | QualType KmpInt32PtrTy = | |||
2152 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | |||
2153 | Sema::CapturedParamNameType ParamsTeamsOrParallel[] = { | |||
2154 | std::make_pair(".global_tid.", KmpInt32PtrTy), | |||
2155 | std::make_pair(".bound_tid.", KmpInt32PtrTy), | |||
2156 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
2157 | }; | |||
2158 | // Start a captured region for 'teams' or 'parallel'. Both regions have | |||
2159 | // the same implicit parameters. | |||
2160 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
2161 | ParamsTeamsOrParallel); | |||
2162 | break; | |||
2163 | } | |||
2164 | case OMPD_target: | |||
2165 | case OMPD_target_simd: { | |||
2166 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1); | |||
2167 | QualType Args[] = {Context.VoidPtrTy.withConst().withRestrict()}; | |||
2168 | FunctionProtoType::ExtProtoInfo EPI; | |||
2169 | EPI.Variadic = true; | |||
2170 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); | |||
2171 | Sema::CapturedParamNameType Params[] = { | |||
2172 | std::make_pair(".global_tid.", KmpInt32Ty), | |||
2173 | std::make_pair(".part_id.", Context.getPointerType(KmpInt32Ty)), | |||
2174 | std::make_pair(".privates.", Context.VoidPtrTy.withConst()), | |||
2175 | std::make_pair(".copy_fn.", | |||
2176 | Context.getPointerType(CopyFnType).withConst()), | |||
2177 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), | |||
2178 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
2179 | }; | |||
2180 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
2181 | Params); | |||
2182 | // Mark this captured region as inlined, because we don't use outlined | |||
2183 | // function directly. | |||
2184 | getCurCapturedRegion()->TheCapturedDecl->addAttr( | |||
2185 | AlwaysInlineAttr::CreateImplicit( | |||
2186 | Context, AlwaysInlineAttr::Keyword_forceinline, SourceRange())); | |||
2187 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
2188 | std::make_pair(StringRef(), QualType())); | |||
2189 | break; | |||
2190 | } | |||
2191 | case OMPD_simd: | |||
2192 | case OMPD_for: | |||
2193 | case OMPD_for_simd: | |||
2194 | case OMPD_sections: | |||
2195 | case OMPD_section: | |||
2196 | case OMPD_single: | |||
2197 | case OMPD_master: | |||
2198 | case OMPD_critical: | |||
2199 | case OMPD_taskgroup: | |||
2200 | case OMPD_distribute: | |||
2201 | case OMPD_distribute_simd: | |||
2202 | case OMPD_ordered: | |||
2203 | case OMPD_atomic: | |||
2204 | case OMPD_target_data: { | |||
2205 | Sema::CapturedParamNameType Params[] = { | |||
2206 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
2207 | }; | |||
2208 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
2209 | Params); | |||
2210 | break; | |||
2211 | } | |||
2212 | case OMPD_task: { | |||
2213 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1); | |||
2214 | QualType Args[] = {Context.VoidPtrTy.withConst().withRestrict()}; | |||
2215 | FunctionProtoType::ExtProtoInfo EPI; | |||
2216 | EPI.Variadic = true; | |||
2217 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); | |||
2218 | Sema::CapturedParamNameType Params[] = { | |||
2219 | std::make_pair(".global_tid.", KmpInt32Ty), | |||
2220 | std::make_pair(".part_id.", Context.getPointerType(KmpInt32Ty)), | |||
2221 | std::make_pair(".privates.", Context.VoidPtrTy.withConst()), | |||
2222 | std::make_pair(".copy_fn.", | |||
2223 | Context.getPointerType(CopyFnType).withConst()), | |||
2224 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), | |||
2225 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
2226 | }; | |||
2227 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
2228 | Params); | |||
2229 | // Mark this captured region as inlined, because we don't use outlined | |||
2230 | // function directly. | |||
2231 | getCurCapturedRegion()->TheCapturedDecl->addAttr( | |||
2232 | AlwaysInlineAttr::CreateImplicit( | |||
2233 | Context, AlwaysInlineAttr::Keyword_forceinline, SourceRange())); | |||
2234 | break; | |||
2235 | } | |||
2236 | case OMPD_taskloop: | |||
2237 | case OMPD_taskloop_simd: { | |||
2238 | QualType KmpInt32Ty = | |||
2239 | Context.getIntTypeForBitwidth(/*DestWidth=*/32, /*Signed=*/1); | |||
2240 | QualType KmpUInt64Ty = | |||
2241 | Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/0); | |||
2242 | QualType KmpInt64Ty = | |||
2243 | Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/1); | |||
2244 | QualType Args[] = {Context.VoidPtrTy.withConst().withRestrict()}; | |||
2245 | FunctionProtoType::ExtProtoInfo EPI; | |||
2246 | EPI.Variadic = true; | |||
2247 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); | |||
2248 | Sema::CapturedParamNameType Params[] = { | |||
2249 | std::make_pair(".global_tid.", KmpInt32Ty), | |||
2250 | std::make_pair(".part_id.", Context.getPointerType(KmpInt32Ty)), | |||
2251 | std::make_pair(".privates.", | |||
2252 | Context.VoidPtrTy.withConst().withRestrict()), | |||
2253 | std::make_pair( | |||
2254 | ".copy_fn.", | |||
2255 | Context.getPointerType(CopyFnType).withConst().withRestrict()), | |||
2256 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), | |||
2257 | std::make_pair(".lb.", KmpUInt64Ty), | |||
2258 | std::make_pair(".ub.", KmpUInt64Ty), std::make_pair(".st.", KmpInt64Ty), | |||
2259 | std::make_pair(".liter.", KmpInt32Ty), | |||
2260 | std::make_pair(".reductions.", | |||
2261 | Context.VoidPtrTy.withConst().withRestrict()), | |||
2262 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
2263 | }; | |||
2264 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
2265 | Params); | |||
2266 | // Mark this captured region as inlined, because we don't use outlined | |||
2267 | // function directly. | |||
2268 | getCurCapturedRegion()->TheCapturedDecl->addAttr( | |||
2269 | AlwaysInlineAttr::CreateImplicit( | |||
2270 | Context, AlwaysInlineAttr::Keyword_forceinline, SourceRange())); | |||
2271 | break; | |||
2272 | } | |||
2273 | case OMPD_distribute_parallel_for_simd: | |||
2274 | case OMPD_distribute_parallel_for: { | |||
2275 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1); | |||
2276 | QualType KmpInt32PtrTy = | |||
2277 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | |||
2278 | Sema::CapturedParamNameType Params[] = { | |||
2279 | std::make_pair(".global_tid.", KmpInt32PtrTy), | |||
2280 | std::make_pair(".bound_tid.", KmpInt32PtrTy), | |||
2281 | std::make_pair(".previous.lb.", Context.getSizeType()), | |||
2282 | std::make_pair(".previous.ub.", Context.getSizeType()), | |||
2283 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
2284 | }; | |||
2285 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
2286 | Params); | |||
2287 | break; | |||
2288 | } | |||
2289 | case OMPD_target_teams_distribute_parallel_for: | |||
2290 | case OMPD_target_teams_distribute_parallel_for_simd: { | |||
2291 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1); | |||
2292 | QualType KmpInt32PtrTy = | |||
2293 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | |||
2294 | ||||
2295 | QualType Args[] = {Context.VoidPtrTy.withConst().withRestrict()}; | |||
2296 | FunctionProtoType::ExtProtoInfo EPI; | |||
2297 | EPI.Variadic = true; | |||
2298 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); | |||
2299 | Sema::CapturedParamNameType Params[] = { | |||
2300 | std::make_pair(".global_tid.", KmpInt32Ty), | |||
2301 | std::make_pair(".part_id.", Context.getPointerType(KmpInt32Ty)), | |||
2302 | std::make_pair(".privates.", Context.VoidPtrTy.withConst()), | |||
2303 | std::make_pair(".copy_fn.", | |||
2304 | Context.getPointerType(CopyFnType).withConst()), | |||
2305 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), | |||
2306 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
2307 | }; | |||
2308 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
2309 | Params); | |||
2310 | // Mark this captured region as inlined, because we don't use outlined | |||
2311 | // function directly. | |||
2312 | getCurCapturedRegion()->TheCapturedDecl->addAttr( | |||
2313 | AlwaysInlineAttr::CreateImplicit( | |||
2314 | Context, AlwaysInlineAttr::Keyword_forceinline, SourceRange())); | |||
2315 | Sema::CapturedParamNameType ParamsTarget[] = { | |||
2316 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
2317 | }; | |||
2318 | // Start a captured region for 'target' with no implicit parameters. | |||
2319 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
2320 | ParamsTarget); | |||
2321 | ||||
2322 | Sema::CapturedParamNameType ParamsTeams[] = { | |||
2323 | std::make_pair(".global_tid.", KmpInt32PtrTy), | |||
2324 | std::make_pair(".bound_tid.", KmpInt32PtrTy), | |||
2325 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
2326 | }; | |||
2327 | // Start a captured region for 'target' with no implicit parameters. | |||
2328 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
2329 | ParamsTeams); | |||
2330 | ||||
2331 | Sema::CapturedParamNameType ParamsParallel[] = { | |||
2332 | std::make_pair(".global_tid.", KmpInt32PtrTy), | |||
2333 | std::make_pair(".bound_tid.", KmpInt32PtrTy), | |||
2334 | std::make_pair(".previous.lb.", Context.getSizeType()), | |||
2335 | std::make_pair(".previous.ub.", Context.getSizeType()), | |||
2336 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
2337 | }; | |||
2338 | // Start a captured region for 'teams' or 'parallel'. Both regions have | |||
2339 | // the same implicit parameters. | |||
2340 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
2341 | ParamsParallel); | |||
2342 | break; | |||
2343 | } | |||
2344 | ||||
2345 | case OMPD_teams_distribute_parallel_for: | |||
2346 | case OMPD_teams_distribute_parallel_for_simd: { | |||
2347 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1); | |||
2348 | QualType KmpInt32PtrTy = | |||
2349 | Context.getPointerType(KmpInt32Ty).withConst().withRestrict(); | |||
2350 | ||||
2351 | Sema::CapturedParamNameType ParamsTeams[] = { | |||
2352 | std::make_pair(".global_tid.", KmpInt32PtrTy), | |||
2353 | std::make_pair(".bound_tid.", KmpInt32PtrTy), | |||
2354 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
2355 | }; | |||
2356 | // Start a captured region for 'target' with no implicit parameters. | |||
2357 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
2358 | ParamsTeams); | |||
2359 | ||||
2360 | Sema::CapturedParamNameType ParamsParallel[] = { | |||
2361 | std::make_pair(".global_tid.", KmpInt32PtrTy), | |||
2362 | std::make_pair(".bound_tid.", KmpInt32PtrTy), | |||
2363 | std::make_pair(".previous.lb.", Context.getSizeType()), | |||
2364 | std::make_pair(".previous.ub.", Context.getSizeType()), | |||
2365 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
2366 | }; | |||
2367 | // Start a captured region for 'teams' or 'parallel'. Both regions have | |||
2368 | // the same implicit parameters. | |||
2369 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
2370 | ParamsParallel); | |||
2371 | break; | |||
2372 | } | |||
2373 | case OMPD_target_update: | |||
2374 | case OMPD_target_enter_data: | |||
2375 | case OMPD_target_exit_data: { | |||
2376 | QualType KmpInt32Ty = Context.getIntTypeForBitwidth(32, 1); | |||
2377 | QualType Args[] = {Context.VoidPtrTy.withConst().withRestrict()}; | |||
2378 | FunctionProtoType::ExtProtoInfo EPI; | |||
2379 | EPI.Variadic = true; | |||
2380 | QualType CopyFnType = Context.getFunctionType(Context.VoidTy, Args, EPI); | |||
2381 | Sema::CapturedParamNameType Params[] = { | |||
2382 | std::make_pair(".global_tid.", KmpInt32Ty), | |||
2383 | std::make_pair(".part_id.", Context.getPointerType(KmpInt32Ty)), | |||
2384 | std::make_pair(".privates.", Context.VoidPtrTy.withConst()), | |||
2385 | std::make_pair(".copy_fn.", | |||
2386 | Context.getPointerType(CopyFnType).withConst()), | |||
2387 | std::make_pair(".task_t.", Context.VoidPtrTy.withConst()), | |||
2388 | std::make_pair(StringRef(), QualType()) // __context with shared vars | |||
2389 | }; | |||
2390 | ActOnCapturedRegionStart(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(), CurScope, CR_OpenMP, | |||
2391 | Params); | |||
2392 | // Mark this captured region as inlined, because we don't use outlined | |||
2393 | // function directly. | |||
2394 | getCurCapturedRegion()->TheCapturedDecl->addAttr( | |||
2395 | AlwaysInlineAttr::CreateImplicit( | |||
2396 | Context, AlwaysInlineAttr::Keyword_forceinline, SourceRange())); | |||
2397 | break; | |||
2398 | } | |||
2399 | case OMPD_threadprivate: | |||
2400 | case OMPD_taskyield: | |||
2401 | case OMPD_barrier: | |||
2402 | case OMPD_taskwait: | |||
2403 | case OMPD_cancellation_point: | |||
2404 | case OMPD_cancel: | |||
2405 | case OMPD_flush: | |||
2406 | case OMPD_declare_reduction: | |||
2407 | case OMPD_declare_simd: | |||
2408 | case OMPD_declare_target: | |||
2409 | case OMPD_end_declare_target: | |||
2410 | llvm_unreachable("OpenMP Directive is not allowed")::llvm::llvm_unreachable_internal("OpenMP Directive is not allowed" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 2410); | |||
2411 | case OMPD_unknown: | |||
2412 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 2412); | |||
2413 | } | |||
2414 | } | |||
2415 | ||||
2416 | int Sema::getOpenMPCaptureLevels(OpenMPDirectiveKind DKind) { | |||
2417 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; | |||
2418 | getOpenMPCaptureRegions(CaptureRegions, DKind); | |||
2419 | return CaptureRegions.size(); | |||
2420 | } | |||
2421 | ||||
2422 | static OMPCapturedExprDecl *buildCaptureDecl(Sema &S, IdentifierInfo *Id, | |||
2423 | Expr *CaptureExpr, bool WithInit, | |||
2424 | bool AsExpression) { | |||
2425 | assert(CaptureExpr)(static_cast <bool> (CaptureExpr) ? void (0) : __assert_fail ("CaptureExpr", "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 2425, __extension__ __PRETTY_FUNCTION__)); | |||
2426 | ASTContext &C = S.getASTContext(); | |||
2427 | Expr *Init = AsExpression ? CaptureExpr : CaptureExpr->IgnoreImpCasts(); | |||
2428 | QualType Ty = Init->getType(); | |||
2429 | if (CaptureExpr->getObjectKind() == OK_Ordinary && CaptureExpr->isGLValue()) { | |||
2430 | if (S.getLangOpts().CPlusPlus) { | |||
2431 | Ty = C.getLValueReferenceType(Ty); | |||
2432 | } else { | |||
2433 | Ty = C.getPointerType(Ty); | |||
2434 | ExprResult Res = | |||
2435 | S.CreateBuiltinUnaryOp(CaptureExpr->getExprLoc(), UO_AddrOf, Init); | |||
2436 | if (!Res.isUsable()) | |||
2437 | return nullptr; | |||
2438 | Init = Res.get(); | |||
2439 | } | |||
2440 | WithInit = true; | |||
2441 | } | |||
2442 | auto *CED = OMPCapturedExprDecl::Create(C, S.CurContext, Id, Ty, | |||
2443 | CaptureExpr->getLocStart()); | |||
2444 | if (!WithInit) | |||
2445 | CED->addAttr(OMPCaptureNoInitAttr::CreateImplicit(C, SourceRange())); | |||
2446 | S.CurContext->addHiddenDecl(CED); | |||
2447 | S.AddInitializerToDecl(CED, Init, /*DirectInit=*/false); | |||
2448 | return CED; | |||
2449 | } | |||
2450 | ||||
2451 | static DeclRefExpr *buildCapture(Sema &S, ValueDecl *D, Expr *CaptureExpr, | |||
2452 | bool WithInit) { | |||
2453 | OMPCapturedExprDecl *CD; | |||
2454 | if (auto *VD = S.IsOpenMPCapturedDecl(D)) { | |||
2455 | CD = cast<OMPCapturedExprDecl>(VD); | |||
2456 | } else { | |||
2457 | CD = buildCaptureDecl(S, D->getIdentifier(), CaptureExpr, WithInit, | |||
2458 | /*AsExpression=*/false); | |||
2459 | } | |||
2460 | return buildDeclRefExpr(S, CD, CD->getType().getNonReferenceType(), | |||
2461 | CaptureExpr->getExprLoc()); | |||
2462 | } | |||
2463 | ||||
2464 | static ExprResult buildCapture(Sema &S, Expr *CaptureExpr, DeclRefExpr *&Ref) { | |||
2465 | CaptureExpr = S.DefaultLvalueConversion(CaptureExpr).get(); | |||
2466 | if (!Ref) { | |||
2467 | OMPCapturedExprDecl *CD = buildCaptureDecl( | |||
2468 | S, &S.getASTContext().Idents.get(".capture_expr."), CaptureExpr, | |||
2469 | /*WithInit=*/true, /*AsExpression=*/true); | |||
2470 | Ref = buildDeclRefExpr(S, CD, CD->getType().getNonReferenceType(), | |||
2471 | CaptureExpr->getExprLoc()); | |||
2472 | } | |||
2473 | ExprResult Res = Ref; | |||
2474 | if (!S.getLangOpts().CPlusPlus && | |||
2475 | CaptureExpr->getObjectKind() == OK_Ordinary && CaptureExpr->isGLValue() && | |||
2476 | Ref->getType()->isPointerType()) { | |||
2477 | Res = S.CreateBuiltinUnaryOp(CaptureExpr->getExprLoc(), UO_Deref, Ref); | |||
2478 | if (!Res.isUsable()) | |||
2479 | return ExprError(); | |||
2480 | } | |||
2481 | return S.DefaultLvalueConversion(Res.get()); | |||
2482 | } | |||
2483 | ||||
2484 | namespace { | |||
2485 | // OpenMP directives parsed in this section are represented as a | |||
2486 | // CapturedStatement with an associated statement. If a syntax error | |||
2487 | // is detected during the parsing of the associated statement, the | |||
2488 | // compiler must abort processing and close the CapturedStatement. | |||
2489 | // | |||
2490 | // Combined directives such as 'target parallel' have more than one | |||
2491 | // nested CapturedStatements. This RAII ensures that we unwind out | |||
2492 | // of all the nested CapturedStatements when an error is found. | |||
2493 | class CaptureRegionUnwinderRAII { | |||
2494 | private: | |||
2495 | Sema &S; | |||
2496 | bool &ErrorFound; | |||
2497 | OpenMPDirectiveKind DKind; | |||
2498 | ||||
2499 | public: | |||
2500 | CaptureRegionUnwinderRAII(Sema &S, bool &ErrorFound, | |||
2501 | OpenMPDirectiveKind DKind) | |||
2502 | : S(S), ErrorFound(ErrorFound), DKind(DKind) {} | |||
2503 | ~CaptureRegionUnwinderRAII() { | |||
2504 | if (ErrorFound) { | |||
2505 | int ThisCaptureLevel = S.getOpenMPCaptureLevels(DKind); | |||
2506 | while (--ThisCaptureLevel >= 0) | |||
2507 | S.ActOnCapturedRegionError(); | |||
2508 | } | |||
2509 | } | |||
2510 | }; | |||
2511 | } // namespace | |||
2512 | ||||
2513 | StmtResult Sema::ActOnOpenMPRegionEnd(StmtResult S, | |||
2514 | ArrayRef<OMPClause *> Clauses) { | |||
2515 | bool ErrorFound = false; | |||
2516 | CaptureRegionUnwinderRAII CaptureRegionUnwinder( | |||
2517 | *this, ErrorFound, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); | |||
2518 | if (!S.isUsable()) { | |||
2519 | ErrorFound = true; | |||
2520 | return StmtError(); | |||
2521 | } | |||
2522 | ||||
2523 | SmallVector<OpenMPDirectiveKind, 4> CaptureRegions; | |||
2524 | getOpenMPCaptureRegions(CaptureRegions, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); | |||
2525 | OMPOrderedClause *OC = nullptr; | |||
2526 | OMPScheduleClause *SC = nullptr; | |||
2527 | SmallVector<OMPLinearClause *, 4> LCs; | |||
2528 | SmallVector<OMPClauseWithPreInit *, 8> PICs; | |||
2529 | // This is required for proper codegen. | |||
2530 | for (auto *Clause : Clauses) { | |||
2531 | if (isOpenMPTaskingDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) && | |||
2532 | Clause->getClauseKind() == OMPC_in_reduction) { | |||
2533 | // Capture taskgroup task_reduction descriptors inside the tasking regions | |||
2534 | // with the corresponding in_reduction items. | |||
2535 | auto *IRC = cast<OMPInReductionClause>(Clause); | |||
2536 | for (auto *E : IRC->taskgroup_descriptors()) | |||
2537 | if (E) | |||
2538 | MarkDeclarationsReferencedInExpr(E); | |||
2539 | } | |||
2540 | if (isOpenMPPrivate(Clause->getClauseKind()) || | |||
2541 | Clause->getClauseKind() == OMPC_copyprivate || | |||
2542 | (getLangOpts().OpenMPUseTLS && | |||
2543 | getASTContext().getTargetInfo().isTLSSupported() && | |||
2544 | Clause->getClauseKind() == OMPC_copyin)) { | |||
2545 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setForceVarCapturing(Clause->getClauseKind() == OMPC_copyin); | |||
2546 | // Mark all variables in private list clauses as used in inner region. | |||
2547 | for (auto *VarRef : Clause->children()) { | |||
2548 | if (auto *E = cast_or_null<Expr>(VarRef)) { | |||
2549 | MarkDeclarationsReferencedInExpr(E); | |||
2550 | } | |||
2551 | } | |||
2552 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setForceVarCapturing(/*V=*/false); | |||
2553 | } else if (CaptureRegions.size() > 1 || | |||
2554 | CaptureRegions.back() != OMPD_unknown) { | |||
2555 | if (auto *C = OMPClauseWithPreInit::get(Clause)) | |||
2556 | PICs.push_back(C); | |||
2557 | if (auto *C = OMPClauseWithPostUpdate::get(Clause)) { | |||
2558 | if (auto *E = C->getPostUpdateExpr()) | |||
2559 | MarkDeclarationsReferencedInExpr(E); | |||
2560 | } | |||
2561 | } | |||
2562 | if (Clause->getClauseKind() == OMPC_schedule) | |||
2563 | SC = cast<OMPScheduleClause>(Clause); | |||
2564 | else if (Clause->getClauseKind() == OMPC_ordered) | |||
2565 | OC = cast<OMPOrderedClause>(Clause); | |||
2566 | else if (Clause->getClauseKind() == OMPC_linear) | |||
2567 | LCs.push_back(cast<OMPLinearClause>(Clause)); | |||
2568 | } | |||
2569 | // OpenMP, 2.7.1 Loop Construct, Restrictions | |||
2570 | // The nonmonotonic modifier cannot be specified if an ordered clause is | |||
2571 | // specified. | |||
2572 | if (SC && | |||
2573 | (SC->getFirstScheduleModifier() == OMPC_SCHEDULE_MODIFIER_nonmonotonic || | |||
2574 | SC->getSecondScheduleModifier() == | |||
2575 | OMPC_SCHEDULE_MODIFIER_nonmonotonic) && | |||
2576 | OC) { | |||
2577 | Diag(SC->getFirstScheduleModifier() == OMPC_SCHEDULE_MODIFIER_nonmonotonic | |||
2578 | ? SC->getFirstScheduleModifierLoc() | |||
2579 | : SC->getSecondScheduleModifierLoc(), | |||
2580 | diag::err_omp_schedule_nonmonotonic_ordered) | |||
2581 | << SourceRange(OC->getLocStart(), OC->getLocEnd()); | |||
2582 | ErrorFound = true; | |||
2583 | } | |||
2584 | if (!LCs.empty() && OC && OC->getNumForLoops()) { | |||
2585 | for (auto *C : LCs) { | |||
2586 | Diag(C->getLocStart(), diag::err_omp_linear_ordered) | |||
2587 | << SourceRange(OC->getLocStart(), OC->getLocEnd()); | |||
2588 | } | |||
2589 | ErrorFound = true; | |||
2590 | } | |||
2591 | if (isOpenMPWorksharingDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) && | |||
2592 | isOpenMPSimdDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()) && OC && | |||
2593 | OC->getNumForLoops()) { | |||
2594 | Diag(OC->getLocStart(), diag::err_omp_ordered_simd) | |||
2595 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); | |||
2596 | ErrorFound = true; | |||
2597 | } | |||
2598 | if (ErrorFound) { | |||
2599 | return StmtError(); | |||
2600 | } | |||
2601 | StmtResult SR = S; | |||
2602 | for (OpenMPDirectiveKind ThisCaptureRegion : llvm::reverse(CaptureRegions)) { | |||
2603 | // Mark all variables in private list clauses as used in inner region. | |||
2604 | // Required for proper codegen of combined directives. | |||
2605 | // TODO: add processing for other clauses. | |||
2606 | if (ThisCaptureRegion != OMPD_unknown) { | |||
2607 | for (auto *C : PICs) { | |||
2608 | OpenMPDirectiveKind CaptureRegion = C->getCaptureRegion(); | |||
2609 | // Find the particular capture region for the clause if the | |||
2610 | // directive is a combined one with multiple capture regions. | |||
2611 | // If the directive is not a combined one, the capture region | |||
2612 | // associated with the clause is OMPD_unknown and is generated | |||
2613 | // only once. | |||
2614 | if (CaptureRegion == ThisCaptureRegion || | |||
2615 | CaptureRegion == OMPD_unknown) { | |||
2616 | if (auto *DS = cast_or_null<DeclStmt>(C->getPreInitStmt())) { | |||
2617 | for (auto *D : DS->decls()) | |||
2618 | MarkVariableReferenced(D->getLocation(), cast<VarDecl>(D)); | |||
2619 | } | |||
2620 | } | |||
2621 | } | |||
2622 | } | |||
2623 | SR = ActOnCapturedRegionEnd(SR.get()); | |||
2624 | } | |||
2625 | return SR; | |||
2626 | } | |||
2627 | ||||
2628 | static bool checkCancelRegion(Sema &SemaRef, OpenMPDirectiveKind CurrentRegion, | |||
2629 | OpenMPDirectiveKind CancelRegion, | |||
2630 | SourceLocation StartLoc) { | |||
2631 | // CancelRegion is only needed for cancel and cancellation_point. | |||
2632 | if (CurrentRegion != OMPD_cancel && CurrentRegion != OMPD_cancellation_point) | |||
2633 | return false; | |||
2634 | ||||
2635 | if (CancelRegion == OMPD_parallel || CancelRegion == OMPD_for || | |||
2636 | CancelRegion == OMPD_sections || CancelRegion == OMPD_taskgroup) | |||
2637 | return false; | |||
2638 | ||||
2639 | SemaRef.Diag(StartLoc, diag::err_omp_wrong_cancel_region) | |||
2640 | << getOpenMPDirectiveName(CancelRegion); | |||
2641 | return true; | |||
2642 | } | |||
2643 | ||||
2644 | static bool checkNestingOfRegions(Sema &SemaRef, DSAStackTy *Stack, | |||
2645 | OpenMPDirectiveKind CurrentRegion, | |||
2646 | const DeclarationNameInfo &CurrentName, | |||
2647 | OpenMPDirectiveKind CancelRegion, | |||
2648 | SourceLocation StartLoc) { | |||
2649 | if (Stack->getCurScope()) { | |||
2650 | auto ParentRegion = Stack->getParentDirective(); | |||
2651 | auto OffendingRegion = ParentRegion; | |||
2652 | bool NestingProhibited = false; | |||
2653 | bool CloseNesting = true; | |||
2654 | bool OrphanSeen = false; | |||
2655 | enum { | |||
2656 | NoRecommend, | |||
2657 | ShouldBeInParallelRegion, | |||
2658 | ShouldBeInOrderedRegion, | |||
2659 | ShouldBeInTargetRegion, | |||
2660 | ShouldBeInTeamsRegion | |||
2661 | } Recommend = NoRecommend; | |||
2662 | if (isOpenMPSimdDirective(ParentRegion) && CurrentRegion != OMPD_ordered) { | |||
2663 | // OpenMP [2.16, Nesting of Regions] | |||
2664 | // OpenMP constructs may not be nested inside a simd region. | |||
2665 | // OpenMP [2.8.1,simd Construct, Restrictions] | |||
2666 | // An ordered construct with the simd clause is the only OpenMP | |||
2667 | // construct that can appear in the simd region. | |||
2668 | // Allowing a SIMD construct nested in another SIMD construct is an | |||
2669 | // extension. The OpenMP 4.5 spec does not allow it. Issue a warning | |||
2670 | // message. | |||
2671 | SemaRef.Diag(StartLoc, (CurrentRegion != OMPD_simd) | |||
2672 | ? diag::err_omp_prohibited_region_simd | |||
2673 | : diag::warn_omp_nesting_simd); | |||
2674 | return CurrentRegion != OMPD_simd; | |||
2675 | } | |||
2676 | if (ParentRegion == OMPD_atomic) { | |||
2677 | // OpenMP [2.16, Nesting of Regions] | |||
2678 | // OpenMP constructs may not be nested inside an atomic region. | |||
2679 | SemaRef.Diag(StartLoc, diag::err_omp_prohibited_region_atomic); | |||
2680 | return true; | |||
2681 | } | |||
2682 | if (CurrentRegion == OMPD_section) { | |||
2683 | // OpenMP [2.7.2, sections Construct, Restrictions] | |||
2684 | // Orphaned section directives are prohibited. That is, the section | |||
2685 | // directives must appear within the sections construct and must not be | |||
2686 | // encountered elsewhere in the sections region. | |||
2687 | if (ParentRegion != OMPD_sections && | |||
2688 | ParentRegion != OMPD_parallel_sections) { | |||
2689 | SemaRef.Diag(StartLoc, diag::err_omp_orphaned_section_directive) | |||
2690 | << (ParentRegion != OMPD_unknown) | |||
2691 | << getOpenMPDirectiveName(ParentRegion); | |||
2692 | return true; | |||
2693 | } | |||
2694 | return false; | |||
2695 | } | |||
2696 | // Allow some constructs (except teams) to be orphaned (they could be | |||
2697 | // used in functions, called from OpenMP regions with the required | |||
2698 | // preconditions). | |||
2699 | if (ParentRegion == OMPD_unknown && | |||
2700 | !isOpenMPNestingTeamsDirective(CurrentRegion)) | |||
2701 | return false; | |||
2702 | if (CurrentRegion == OMPD_cancellation_point || | |||
2703 | CurrentRegion == OMPD_cancel) { | |||
2704 | // OpenMP [2.16, Nesting of Regions] | |||
2705 | // A cancellation point construct for which construct-type-clause is | |||
2706 | // taskgroup must be nested inside a task construct. A cancellation | |||
2707 | // point construct for which construct-type-clause is not taskgroup must | |||
2708 | // be closely nested inside an OpenMP construct that matches the type | |||
2709 | // specified in construct-type-clause. | |||
2710 | // A cancel construct for which construct-type-clause is taskgroup must be | |||
2711 | // nested inside a task construct. A cancel construct for which | |||
2712 | // construct-type-clause is not taskgroup must be closely nested inside an | |||
2713 | // OpenMP construct that matches the type specified in | |||
2714 | // construct-type-clause. | |||
2715 | NestingProhibited = | |||
2716 | !((CancelRegion == OMPD_parallel && | |||
2717 | (ParentRegion == OMPD_parallel || | |||
2718 | ParentRegion == OMPD_target_parallel)) || | |||
2719 | (CancelRegion == OMPD_for && | |||
2720 | (ParentRegion == OMPD_for || ParentRegion == OMPD_parallel_for || | |||
2721 | ParentRegion == OMPD_target_parallel_for || | |||
2722 | ParentRegion == OMPD_distribute_parallel_for || | |||
2723 | ParentRegion == OMPD_teams_distribute_parallel_for || | |||
2724 | ParentRegion == OMPD_target_teams_distribute_parallel_for)) || | |||
2725 | (CancelRegion == OMPD_taskgroup && ParentRegion == OMPD_task) || | |||
2726 | (CancelRegion == OMPD_sections && | |||
2727 | (ParentRegion == OMPD_section || ParentRegion == OMPD_sections || | |||
2728 | ParentRegion == OMPD_parallel_sections))); | |||
2729 | } else if (CurrentRegion == OMPD_master) { | |||
2730 | // OpenMP [2.16, Nesting of Regions] | |||
2731 | // A master region may not be closely nested inside a worksharing, | |||
2732 | // atomic, or explicit task region. | |||
2733 | NestingProhibited = isOpenMPWorksharingDirective(ParentRegion) || | |||
2734 | isOpenMPTaskingDirective(ParentRegion); | |||
2735 | } else if (CurrentRegion == OMPD_critical && CurrentName.getName()) { | |||
2736 | // OpenMP [2.16, Nesting of Regions] | |||
2737 | // A critical region may not be nested (closely or otherwise) inside a | |||
2738 | // critical region with the same name. Note that this restriction is not | |||
2739 | // sufficient to prevent deadlock. | |||
2740 | SourceLocation PreviousCriticalLoc; | |||
2741 | bool DeadLock = Stack->hasDirective( | |||
2742 | [CurrentName, &PreviousCriticalLoc](OpenMPDirectiveKind K, | |||
2743 | const DeclarationNameInfo &DNI, | |||
2744 | SourceLocation Loc) -> bool { | |||
2745 | if (K == OMPD_critical && DNI.getName() == CurrentName.getName()) { | |||
2746 | PreviousCriticalLoc = Loc; | |||
2747 | return true; | |||
2748 | } else | |||
2749 | return false; | |||
2750 | }, | |||
2751 | false /* skip top directive */); | |||
2752 | if (DeadLock) { | |||
2753 | SemaRef.Diag(StartLoc, | |||
2754 | diag::err_omp_prohibited_region_critical_same_name) | |||
2755 | << CurrentName.getName(); | |||
2756 | if (PreviousCriticalLoc.isValid()) | |||
2757 | SemaRef.Diag(PreviousCriticalLoc, | |||
2758 | diag::note_omp_previous_critical_region); | |||
2759 | return true; | |||
2760 | } | |||
2761 | } else if (CurrentRegion == OMPD_barrier) { | |||
2762 | // OpenMP [2.16, Nesting of Regions] | |||
2763 | // A barrier region may not be closely nested inside a worksharing, | |||
2764 | // explicit task, critical, ordered, atomic, or master region. | |||
2765 | NestingProhibited = isOpenMPWorksharingDirective(ParentRegion) || | |||
2766 | isOpenMPTaskingDirective(ParentRegion) || | |||
2767 | ParentRegion == OMPD_master || | |||
2768 | ParentRegion == OMPD_critical || | |||
2769 | ParentRegion == OMPD_ordered; | |||
2770 | } else if (isOpenMPWorksharingDirective(CurrentRegion) && | |||
2771 | !isOpenMPParallelDirective(CurrentRegion) && | |||
2772 | !isOpenMPTeamsDirective(CurrentRegion)) { | |||
2773 | // OpenMP [2.16, Nesting of Regions] | |||
2774 | // A worksharing region may not be closely nested inside a worksharing, | |||
2775 | // explicit task, critical, ordered, atomic, or master region. | |||
2776 | NestingProhibited = isOpenMPWorksharingDirective(ParentRegion) || | |||
2777 | isOpenMPTaskingDirective(ParentRegion) || | |||
2778 | ParentRegion == OMPD_master || | |||
2779 | ParentRegion == OMPD_critical || | |||
2780 | ParentRegion == OMPD_ordered; | |||
2781 | Recommend = ShouldBeInParallelRegion; | |||
2782 | } else if (CurrentRegion == OMPD_ordered) { | |||
2783 | // OpenMP [2.16, Nesting of Regions] | |||
2784 | // An ordered region may not be closely nested inside a critical, | |||
2785 | // atomic, or explicit task region. | |||
2786 | // An ordered region must be closely nested inside a loop region (or | |||
2787 | // parallel loop region) with an ordered clause. | |||
2788 | // OpenMP [2.8.1,simd Construct, Restrictions] | |||
2789 | // An ordered construct with the simd clause is the only OpenMP construct | |||
2790 | // that can appear in the simd region. | |||
2791 | NestingProhibited = ParentRegion == OMPD_critical || | |||
2792 | isOpenMPTaskingDirective(ParentRegion) || | |||
2793 | !(isOpenMPSimdDirective(ParentRegion) || | |||
2794 | Stack->isParentOrderedRegion()); | |||
2795 | Recommend = ShouldBeInOrderedRegion; | |||
2796 | } else if (isOpenMPNestingTeamsDirective(CurrentRegion)) { | |||
2797 | // OpenMP [2.16, Nesting of Regions] | |||
2798 | // If specified, a teams construct must be contained within a target | |||
2799 | // construct. | |||
2800 | NestingProhibited = ParentRegion != OMPD_target; | |||
2801 | OrphanSeen = ParentRegion == OMPD_unknown; | |||
2802 | Recommend = ShouldBeInTargetRegion; | |||
2803 | } | |||
2804 | if (!NestingProhibited && | |||
2805 | !isOpenMPTargetExecutionDirective(CurrentRegion) && | |||
2806 | !isOpenMPTargetDataManagementDirective(CurrentRegion) && | |||
2807 | (ParentRegion == OMPD_teams || ParentRegion == OMPD_target_teams)) { | |||
2808 | // OpenMP [2.16, Nesting of Regions] | |||
2809 | // distribute, parallel, parallel sections, parallel workshare, and the | |||
2810 | // parallel loop and parallel loop SIMD constructs are the only OpenMP | |||
2811 | // constructs that can be closely nested in the teams region. | |||
2812 | NestingProhibited = !isOpenMPParallelDirective(CurrentRegion) && | |||
2813 | !isOpenMPDistributeDirective(CurrentRegion); | |||
2814 | Recommend = ShouldBeInParallelRegion; | |||
2815 | } | |||
2816 | if (!NestingProhibited && | |||
2817 | isOpenMPNestingDistributeDirective(CurrentRegion)) { | |||
2818 | // OpenMP 4.5 [2.17 Nesting of Regions] | |||
2819 | // The region associated with the distribute construct must be strictly | |||
2820 | // nested inside a teams region | |||
2821 | NestingProhibited = | |||
2822 | (ParentRegion != OMPD_teams && ParentRegion != OMPD_target_teams); | |||
2823 | Recommend = ShouldBeInTeamsRegion; | |||
2824 | } | |||
2825 | if (!NestingProhibited && | |||
2826 | (isOpenMPTargetExecutionDirective(CurrentRegion) || | |||
2827 | isOpenMPTargetDataManagementDirective(CurrentRegion))) { | |||
2828 | // OpenMP 4.5 [2.17 Nesting of Regions] | |||
2829 | // If a target, target update, target data, target enter data, or | |||
2830 | // target exit data construct is encountered during execution of a | |||
2831 | // target region, the behavior is unspecified. | |||
2832 | NestingProhibited = Stack->hasDirective( | |||
2833 | [&OffendingRegion](OpenMPDirectiveKind K, const DeclarationNameInfo &, | |||
2834 | SourceLocation) -> bool { | |||
2835 | if (isOpenMPTargetExecutionDirective(K)) { | |||
2836 | OffendingRegion = K; | |||
2837 | return true; | |||
2838 | } else | |||
2839 | return false; | |||
2840 | }, | |||
2841 | false /* don't skip top directive */); | |||
2842 | CloseNesting = false; | |||
2843 | } | |||
2844 | if (NestingProhibited) { | |||
2845 | if (OrphanSeen) { | |||
2846 | SemaRef.Diag(StartLoc, diag::err_omp_orphaned_device_directive) | |||
2847 | << getOpenMPDirectiveName(CurrentRegion) << Recommend; | |||
2848 | } else { | |||
2849 | SemaRef.Diag(StartLoc, diag::err_omp_prohibited_region) | |||
2850 | << CloseNesting << getOpenMPDirectiveName(OffendingRegion) | |||
2851 | << Recommend << getOpenMPDirectiveName(CurrentRegion); | |||
2852 | } | |||
2853 | return true; | |||
2854 | } | |||
2855 | } | |||
2856 | return false; | |||
2857 | } | |||
2858 | ||||
2859 | static bool checkIfClauses(Sema &S, OpenMPDirectiveKind Kind, | |||
2860 | ArrayRef<OMPClause *> Clauses, | |||
2861 | ArrayRef<OpenMPDirectiveKind> AllowedNameModifiers) { | |||
2862 | bool ErrorFound = false; | |||
2863 | unsigned NamedModifiersNumber = 0; | |||
2864 | SmallVector<const OMPIfClause *, OMPC_unknown + 1> FoundNameModifiers( | |||
2865 | OMPD_unknown + 1); | |||
2866 | SmallVector<SourceLocation, 4> NameModifierLoc; | |||
2867 | for (const auto *C : Clauses) { | |||
2868 | if (const auto *IC = dyn_cast_or_null<OMPIfClause>(C)) { | |||
2869 | // At most one if clause without a directive-name-modifier can appear on | |||
2870 | // the directive. | |||
2871 | OpenMPDirectiveKind CurNM = IC->getNameModifier(); | |||
2872 | if (FoundNameModifiers[CurNM]) { | |||
2873 | S.Diag(C->getLocStart(), diag::err_omp_more_one_clause) | |||
2874 | << getOpenMPDirectiveName(Kind) << getOpenMPClauseName(OMPC_if) | |||
2875 | << (CurNM != OMPD_unknown) << getOpenMPDirectiveName(CurNM); | |||
2876 | ErrorFound = true; | |||
2877 | } else if (CurNM != OMPD_unknown) { | |||
2878 | NameModifierLoc.push_back(IC->getNameModifierLoc()); | |||
2879 | ++NamedModifiersNumber; | |||
2880 | } | |||
2881 | FoundNameModifiers[CurNM] = IC; | |||
2882 | if (CurNM == OMPD_unknown) | |||
2883 | continue; | |||
2884 | // Check if the specified name modifier is allowed for the current | |||
2885 | // directive. | |||
2886 | // At most one if clause with the particular directive-name-modifier can | |||
2887 | // appear on the directive. | |||
2888 | bool MatchFound = false; | |||
2889 | for (auto NM : AllowedNameModifiers) { | |||
2890 | if (CurNM == NM) { | |||
2891 | MatchFound = true; | |||
2892 | break; | |||
2893 | } | |||
2894 | } | |||
2895 | if (!MatchFound) { | |||
2896 | S.Diag(IC->getNameModifierLoc(), | |||
2897 | diag::err_omp_wrong_if_directive_name_modifier) | |||
2898 | << getOpenMPDirectiveName(CurNM) << getOpenMPDirectiveName(Kind); | |||
2899 | ErrorFound = true; | |||
2900 | } | |||
2901 | } | |||
2902 | } | |||
2903 | // If any if clause on the directive includes a directive-name-modifier then | |||
2904 | // all if clauses on the directive must include a directive-name-modifier. | |||
2905 | if (FoundNameModifiers[OMPD_unknown] && NamedModifiersNumber > 0) { | |||
2906 | if (NamedModifiersNumber == AllowedNameModifiers.size()) { | |||
2907 | S.Diag(FoundNameModifiers[OMPD_unknown]->getLocStart(), | |||
2908 | diag::err_omp_no_more_if_clause); | |||
2909 | } else { | |||
2910 | std::string Values; | |||
2911 | std::string Sep(", "); | |||
2912 | unsigned AllowedCnt = 0; | |||
2913 | unsigned TotalAllowedNum = | |||
2914 | AllowedNameModifiers.size() - NamedModifiersNumber; | |||
2915 | for (unsigned Cnt = 0, End = AllowedNameModifiers.size(); Cnt < End; | |||
2916 | ++Cnt) { | |||
2917 | OpenMPDirectiveKind NM = AllowedNameModifiers[Cnt]; | |||
2918 | if (!FoundNameModifiers[NM]) { | |||
2919 | Values += "'"; | |||
2920 | Values += getOpenMPDirectiveName(NM); | |||
2921 | Values += "'"; | |||
2922 | if (AllowedCnt + 2 == TotalAllowedNum) | |||
2923 | Values += " or "; | |||
2924 | else if (AllowedCnt + 1 != TotalAllowedNum) | |||
2925 | Values += Sep; | |||
2926 | ++AllowedCnt; | |||
2927 | } | |||
2928 | } | |||
2929 | S.Diag(FoundNameModifiers[OMPD_unknown]->getCondition()->getLocStart(), | |||
2930 | diag::err_omp_unnamed_if_clause) | |||
2931 | << (TotalAllowedNum > 1) << Values; | |||
2932 | } | |||
2933 | for (auto Loc : NameModifierLoc) { | |||
2934 | S.Diag(Loc, diag::note_omp_previous_named_if_clause); | |||
2935 | } | |||
2936 | ErrorFound = true; | |||
2937 | } | |||
2938 | return ErrorFound; | |||
2939 | } | |||
2940 | ||||
2941 | StmtResult Sema::ActOnOpenMPExecutableDirective( | |||
2942 | OpenMPDirectiveKind Kind, const DeclarationNameInfo &DirName, | |||
2943 | OpenMPDirectiveKind CancelRegion, ArrayRef<OMPClause *> Clauses, | |||
2944 | Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc) { | |||
2945 | StmtResult Res = StmtError(); | |||
2946 | // First check CancelRegion which is then used in checkNestingOfRegions. | |||
2947 | if (checkCancelRegion(*this, Kind, CancelRegion, StartLoc) || | |||
2948 | checkNestingOfRegions(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), Kind, DirName, CancelRegion, | |||
2949 | StartLoc)) | |||
2950 | return StmtError(); | |||
2951 | ||||
2952 | llvm::SmallVector<OMPClause *, 8> ClausesWithImplicit; | |||
2953 | llvm::DenseMap<ValueDecl *, Expr *> VarsWithInheritedDSA; | |||
2954 | bool ErrorFound = false; | |||
2955 | ClausesWithImplicit.append(Clauses.begin(), Clauses.end()); | |||
2956 | if (AStmt && !CurContext->isDependentContext()) { | |||
2957 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast <bool> (isa<CapturedStmt>(AStmt) && "Captured statement expected") ? void (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 2957, __extension__ __PRETTY_FUNCTION__)); | |||
2958 | ||||
2959 | // Check default data sharing attributes for referenced variables. | |||
2960 | DSAAttrChecker DSAChecker(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), *this, cast<CapturedStmt>(AStmt)); | |||
2961 | int ThisCaptureLevel = getOpenMPCaptureLevels(Kind); | |||
2962 | Stmt *S = AStmt; | |||
2963 | while (--ThisCaptureLevel >= 0) | |||
2964 | S = cast<CapturedStmt>(S)->getCapturedStmt(); | |||
2965 | DSAChecker.Visit(S); | |||
2966 | if (DSAChecker.isErrorFound()) | |||
2967 | return StmtError(); | |||
2968 | // Generate list of implicitly defined firstprivate variables. | |||
2969 | VarsWithInheritedDSA = DSAChecker.getVarsWithInheritedDSA(); | |||
2970 | ||||
2971 | SmallVector<Expr *, 4> ImplicitFirstprivates( | |||
2972 | DSAChecker.getImplicitFirstprivate().begin(), | |||
2973 | DSAChecker.getImplicitFirstprivate().end()); | |||
2974 | SmallVector<Expr *, 4> ImplicitMaps(DSAChecker.getImplicitMap().begin(), | |||
2975 | DSAChecker.getImplicitMap().end()); | |||
2976 | // Mark taskgroup task_reduction descriptors as implicitly firstprivate. | |||
2977 | for (auto *C : Clauses) { | |||
2978 | if (auto *IRC = dyn_cast<OMPInReductionClause>(C)) { | |||
2979 | for (auto *E : IRC->taskgroup_descriptors()) | |||
2980 | if (E) | |||
2981 | ImplicitFirstprivates.emplace_back(E); | |||
2982 | } | |||
2983 | } | |||
2984 | if (!ImplicitFirstprivates.empty()) { | |||
2985 | if (OMPClause *Implicit = ActOnOpenMPFirstprivateClause( | |||
2986 | ImplicitFirstprivates, SourceLocation(), SourceLocation(), | |||
2987 | SourceLocation())) { | |||
2988 | ClausesWithImplicit.push_back(Implicit); | |||
2989 | ErrorFound = cast<OMPFirstprivateClause>(Implicit)->varlist_size() != | |||
2990 | ImplicitFirstprivates.size(); | |||
2991 | } else | |||
2992 | ErrorFound = true; | |||
2993 | } | |||
2994 | if (!ImplicitMaps.empty()) { | |||
2995 | if (OMPClause *Implicit = ActOnOpenMPMapClause( | |||
2996 | OMPC_MAP_unknown, OMPC_MAP_tofrom, /*IsMapTypeImplicit=*/true, | |||
2997 | SourceLocation(), SourceLocation(), ImplicitMaps, | |||
2998 | SourceLocation(), SourceLocation(), SourceLocation())) { | |||
2999 | ClausesWithImplicit.emplace_back(Implicit); | |||
3000 | ErrorFound |= | |||
3001 | cast<OMPMapClause>(Implicit)->varlist_size() != ImplicitMaps.size(); | |||
3002 | } else | |||
3003 | ErrorFound = true; | |||
3004 | } | |||
3005 | } | |||
3006 | ||||
3007 | llvm::SmallVector<OpenMPDirectiveKind, 4> AllowedNameModifiers; | |||
3008 | switch (Kind) { | |||
3009 | case OMPD_parallel: | |||
3010 | Res = ActOnOpenMPParallelDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
3011 | EndLoc); | |||
3012 | AllowedNameModifiers.push_back(OMPD_parallel); | |||
3013 | break; | |||
3014 | case OMPD_simd: | |||
3015 | Res = ActOnOpenMPSimdDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc, | |||
3016 | VarsWithInheritedDSA); | |||
3017 | break; | |||
3018 | case OMPD_for: | |||
3019 | Res = ActOnOpenMPForDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc, | |||
3020 | VarsWithInheritedDSA); | |||
3021 | break; | |||
3022 | case OMPD_for_simd: | |||
3023 | Res = ActOnOpenMPForSimdDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
3024 | EndLoc, VarsWithInheritedDSA); | |||
3025 | break; | |||
3026 | case OMPD_sections: | |||
3027 | Res = ActOnOpenMPSectionsDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
3028 | EndLoc); | |||
3029 | break; | |||
3030 | case OMPD_section: | |||
3031 | assert(ClausesWithImplicit.empty() &&(static_cast <bool> (ClausesWithImplicit.empty() && "No clauses are allowed for 'omp section' directive") ? void (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp section' directive\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 3032, __extension__ __PRETTY_FUNCTION__)) | |||
3032 | "No clauses are allowed for 'omp section' directive")(static_cast <bool> (ClausesWithImplicit.empty() && "No clauses are allowed for 'omp section' directive") ? void (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp section' directive\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 3032, __extension__ __PRETTY_FUNCTION__)); | |||
3033 | Res = ActOnOpenMPSectionDirective(AStmt, StartLoc, EndLoc); | |||
3034 | break; | |||
3035 | case OMPD_single: | |||
3036 | Res = ActOnOpenMPSingleDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
3037 | EndLoc); | |||
3038 | break; | |||
3039 | case OMPD_master: | |||
3040 | assert(ClausesWithImplicit.empty() &&(static_cast <bool> (ClausesWithImplicit.empty() && "No clauses are allowed for 'omp master' directive") ? void ( 0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp master' directive\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 3041, __extension__ __PRETTY_FUNCTION__)) | |||
3041 | "No clauses are allowed for 'omp master' directive")(static_cast <bool> (ClausesWithImplicit.empty() && "No clauses are allowed for 'omp master' directive") ? void ( 0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp master' directive\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 3041, __extension__ __PRETTY_FUNCTION__)); | |||
3042 | Res = ActOnOpenMPMasterDirective(AStmt, StartLoc, EndLoc); | |||
3043 | break; | |||
3044 | case OMPD_critical: | |||
3045 | Res = ActOnOpenMPCriticalDirective(DirName, ClausesWithImplicit, AStmt, | |||
3046 | StartLoc, EndLoc); | |||
3047 | break; | |||
3048 | case OMPD_parallel_for: | |||
3049 | Res = ActOnOpenMPParallelForDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
3050 | EndLoc, VarsWithInheritedDSA); | |||
3051 | AllowedNameModifiers.push_back(OMPD_parallel); | |||
3052 | break; | |||
3053 | case OMPD_parallel_for_simd: | |||
3054 | Res = ActOnOpenMPParallelForSimdDirective( | |||
3055 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | |||
3056 | AllowedNameModifiers.push_back(OMPD_parallel); | |||
3057 | break; | |||
3058 | case OMPD_parallel_sections: | |||
3059 | Res = ActOnOpenMPParallelSectionsDirective(ClausesWithImplicit, AStmt, | |||
3060 | StartLoc, EndLoc); | |||
3061 | AllowedNameModifiers.push_back(OMPD_parallel); | |||
3062 | break; | |||
3063 | case OMPD_task: | |||
3064 | Res = | |||
3065 | ActOnOpenMPTaskDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc); | |||
3066 | AllowedNameModifiers.push_back(OMPD_task); | |||
3067 | break; | |||
3068 | case OMPD_taskyield: | |||
3069 | assert(ClausesWithImplicit.empty() &&(static_cast <bool> (ClausesWithImplicit.empty() && "No clauses are allowed for 'omp taskyield' directive") ? void (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp taskyield' directive\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 3070, __extension__ __PRETTY_FUNCTION__)) | |||
3070 | "No clauses are allowed for 'omp taskyield' directive")(static_cast <bool> (ClausesWithImplicit.empty() && "No clauses are allowed for 'omp taskyield' directive") ? void (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp taskyield' directive\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 3070, __extension__ __PRETTY_FUNCTION__)); | |||
3071 | assert(AStmt == nullptr &&(static_cast <bool> (AStmt == nullptr && "No associated statement allowed for 'omp taskyield' directive" ) ? void (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp taskyield' directive\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 3072, __extension__ __PRETTY_FUNCTION__)) | |||
3072 | "No associated statement allowed for 'omp taskyield' directive")(static_cast <bool> (AStmt == nullptr && "No associated statement allowed for 'omp taskyield' directive" ) ? void (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp taskyield' directive\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 3072, __extension__ __PRETTY_FUNCTION__)); | |||
3073 | Res = ActOnOpenMPTaskyieldDirective(StartLoc, EndLoc); | |||
3074 | break; | |||
3075 | case OMPD_barrier: | |||
3076 | assert(ClausesWithImplicit.empty() &&(static_cast <bool> (ClausesWithImplicit.empty() && "No clauses are allowed for 'omp barrier' directive") ? void (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp barrier' directive\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 3077, __extension__ __PRETTY_FUNCTION__)) | |||
3077 | "No clauses are allowed for 'omp barrier' directive")(static_cast <bool> (ClausesWithImplicit.empty() && "No clauses are allowed for 'omp barrier' directive") ? void (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp barrier' directive\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 3077, __extension__ __PRETTY_FUNCTION__)); | |||
3078 | assert(AStmt == nullptr &&(static_cast <bool> (AStmt == nullptr && "No associated statement allowed for 'omp barrier' directive" ) ? void (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp barrier' directive\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 3079, __extension__ __PRETTY_FUNCTION__)) | |||
3079 | "No associated statement allowed for 'omp barrier' directive")(static_cast <bool> (AStmt == nullptr && "No associated statement allowed for 'omp barrier' directive" ) ? void (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp barrier' directive\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 3079, __extension__ __PRETTY_FUNCTION__)); | |||
3080 | Res = ActOnOpenMPBarrierDirective(StartLoc, EndLoc); | |||
3081 | break; | |||
3082 | case OMPD_taskwait: | |||
3083 | assert(ClausesWithImplicit.empty() &&(static_cast <bool> (ClausesWithImplicit.empty() && "No clauses are allowed for 'omp taskwait' directive") ? void (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp taskwait' directive\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 3084, __extension__ __PRETTY_FUNCTION__)) | |||
3084 | "No clauses are allowed for 'omp taskwait' directive")(static_cast <bool> (ClausesWithImplicit.empty() && "No clauses are allowed for 'omp taskwait' directive") ? void (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp taskwait' directive\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 3084, __extension__ __PRETTY_FUNCTION__)); | |||
3085 | assert(AStmt == nullptr &&(static_cast <bool> (AStmt == nullptr && "No associated statement allowed for 'omp taskwait' directive" ) ? void (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp taskwait' directive\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 3086, __extension__ __PRETTY_FUNCTION__)) | |||
3086 | "No associated statement allowed for 'omp taskwait' directive")(static_cast <bool> (AStmt == nullptr && "No associated statement allowed for 'omp taskwait' directive" ) ? void (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp taskwait' directive\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 3086, __extension__ __PRETTY_FUNCTION__)); | |||
3087 | Res = ActOnOpenMPTaskwaitDirective(StartLoc, EndLoc); | |||
3088 | break; | |||
3089 | case OMPD_taskgroup: | |||
3090 | Res = ActOnOpenMPTaskgroupDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
3091 | EndLoc); | |||
3092 | break; | |||
3093 | case OMPD_flush: | |||
3094 | assert(AStmt == nullptr &&(static_cast <bool> (AStmt == nullptr && "No associated statement allowed for 'omp flush' directive" ) ? void (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp flush' directive\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 3095, __extension__ __PRETTY_FUNCTION__)) | |||
3095 | "No associated statement allowed for 'omp flush' directive")(static_cast <bool> (AStmt == nullptr && "No associated statement allowed for 'omp flush' directive" ) ? void (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp flush' directive\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 3095, __extension__ __PRETTY_FUNCTION__)); | |||
3096 | Res = ActOnOpenMPFlushDirective(ClausesWithImplicit, StartLoc, EndLoc); | |||
3097 | break; | |||
3098 | case OMPD_ordered: | |||
3099 | Res = ActOnOpenMPOrderedDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
3100 | EndLoc); | |||
3101 | break; | |||
3102 | case OMPD_atomic: | |||
3103 | Res = ActOnOpenMPAtomicDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
3104 | EndLoc); | |||
3105 | break; | |||
3106 | case OMPD_teams: | |||
3107 | Res = | |||
3108 | ActOnOpenMPTeamsDirective(ClausesWithImplicit, AStmt, StartLoc, EndLoc); | |||
3109 | break; | |||
3110 | case OMPD_target: | |||
3111 | Res = ActOnOpenMPTargetDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
3112 | EndLoc); | |||
3113 | AllowedNameModifiers.push_back(OMPD_target); | |||
3114 | break; | |||
3115 | case OMPD_target_parallel: | |||
3116 | Res = ActOnOpenMPTargetParallelDirective(ClausesWithImplicit, AStmt, | |||
3117 | StartLoc, EndLoc); | |||
3118 | AllowedNameModifiers.push_back(OMPD_target); | |||
3119 | AllowedNameModifiers.push_back(OMPD_parallel); | |||
3120 | break; | |||
3121 | case OMPD_target_parallel_for: | |||
3122 | Res = ActOnOpenMPTargetParallelForDirective( | |||
3123 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | |||
3124 | AllowedNameModifiers.push_back(OMPD_target); | |||
3125 | AllowedNameModifiers.push_back(OMPD_parallel); | |||
3126 | break; | |||
3127 | case OMPD_cancellation_point: | |||
3128 | assert(ClausesWithImplicit.empty() &&(static_cast <bool> (ClausesWithImplicit.empty() && "No clauses are allowed for 'omp cancellation point' directive" ) ? void (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp cancellation point' directive\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 3129, __extension__ __PRETTY_FUNCTION__)) | |||
3129 | "No clauses are allowed for 'omp cancellation point' directive")(static_cast <bool> (ClausesWithImplicit.empty() && "No clauses are allowed for 'omp cancellation point' directive" ) ? void (0) : __assert_fail ("ClausesWithImplicit.empty() && \"No clauses are allowed for 'omp cancellation point' directive\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 3129, __extension__ __PRETTY_FUNCTION__)); | |||
3130 | assert(AStmt == nullptr && "No associated statement allowed for 'omp "(static_cast <bool> (AStmt == nullptr && "No associated statement allowed for 'omp " "cancellation point' directive") ? void (0) : __assert_fail ( "AStmt == nullptr && \"No associated statement allowed for 'omp \" \"cancellation point' directive\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 3131, __extension__ __PRETTY_FUNCTION__)) | |||
3131 | "cancellation point' directive")(static_cast <bool> (AStmt == nullptr && "No associated statement allowed for 'omp " "cancellation point' directive") ? void (0) : __assert_fail ( "AStmt == nullptr && \"No associated statement allowed for 'omp \" \"cancellation point' directive\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 3131, __extension__ __PRETTY_FUNCTION__)); | |||
3132 | Res = ActOnOpenMPCancellationPointDirective(StartLoc, EndLoc, CancelRegion); | |||
3133 | break; | |||
3134 | case OMPD_cancel: | |||
3135 | assert(AStmt == nullptr &&(static_cast <bool> (AStmt == nullptr && "No associated statement allowed for 'omp cancel' directive" ) ? void (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp cancel' directive\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 3136, __extension__ __PRETTY_FUNCTION__)) | |||
3136 | "No associated statement allowed for 'omp cancel' directive")(static_cast <bool> (AStmt == nullptr && "No associated statement allowed for 'omp cancel' directive" ) ? void (0) : __assert_fail ("AStmt == nullptr && \"No associated statement allowed for 'omp cancel' directive\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 3136, __extension__ __PRETTY_FUNCTION__)); | |||
3137 | Res = ActOnOpenMPCancelDirective(ClausesWithImplicit, StartLoc, EndLoc, | |||
3138 | CancelRegion); | |||
3139 | AllowedNameModifiers.push_back(OMPD_cancel); | |||
3140 | break; | |||
3141 | case OMPD_target_data: | |||
3142 | Res = ActOnOpenMPTargetDataDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
3143 | EndLoc); | |||
3144 | AllowedNameModifiers.push_back(OMPD_target_data); | |||
3145 | break; | |||
3146 | case OMPD_target_enter_data: | |||
3147 | Res = ActOnOpenMPTargetEnterDataDirective(ClausesWithImplicit, StartLoc, | |||
3148 | EndLoc, AStmt); | |||
3149 | AllowedNameModifiers.push_back(OMPD_target_enter_data); | |||
3150 | break; | |||
3151 | case OMPD_target_exit_data: | |||
3152 | Res = ActOnOpenMPTargetExitDataDirective(ClausesWithImplicit, StartLoc, | |||
3153 | EndLoc, AStmt); | |||
3154 | AllowedNameModifiers.push_back(OMPD_target_exit_data); | |||
3155 | break; | |||
3156 | case OMPD_taskloop: | |||
3157 | Res = ActOnOpenMPTaskLoopDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
3158 | EndLoc, VarsWithInheritedDSA); | |||
3159 | AllowedNameModifiers.push_back(OMPD_taskloop); | |||
3160 | break; | |||
3161 | case OMPD_taskloop_simd: | |||
3162 | Res = ActOnOpenMPTaskLoopSimdDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
3163 | EndLoc, VarsWithInheritedDSA); | |||
3164 | AllowedNameModifiers.push_back(OMPD_taskloop); | |||
3165 | break; | |||
3166 | case OMPD_distribute: | |||
3167 | Res = ActOnOpenMPDistributeDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
3168 | EndLoc, VarsWithInheritedDSA); | |||
3169 | break; | |||
3170 | case OMPD_target_update: | |||
3171 | Res = ActOnOpenMPTargetUpdateDirective(ClausesWithImplicit, StartLoc, | |||
3172 | EndLoc, AStmt); | |||
3173 | AllowedNameModifiers.push_back(OMPD_target_update); | |||
3174 | break; | |||
3175 | case OMPD_distribute_parallel_for: | |||
3176 | Res = ActOnOpenMPDistributeParallelForDirective( | |||
3177 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | |||
3178 | AllowedNameModifiers.push_back(OMPD_parallel); | |||
3179 | break; | |||
3180 | case OMPD_distribute_parallel_for_simd: | |||
3181 | Res = ActOnOpenMPDistributeParallelForSimdDirective( | |||
3182 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | |||
3183 | AllowedNameModifiers.push_back(OMPD_parallel); | |||
3184 | break; | |||
3185 | case OMPD_distribute_simd: | |||
3186 | Res = ActOnOpenMPDistributeSimdDirective( | |||
3187 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | |||
3188 | break; | |||
3189 | case OMPD_target_parallel_for_simd: | |||
3190 | Res = ActOnOpenMPTargetParallelForSimdDirective( | |||
3191 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | |||
3192 | AllowedNameModifiers.push_back(OMPD_target); | |||
3193 | AllowedNameModifiers.push_back(OMPD_parallel); | |||
3194 | break; | |||
3195 | case OMPD_target_simd: | |||
3196 | Res = ActOnOpenMPTargetSimdDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
3197 | EndLoc, VarsWithInheritedDSA); | |||
3198 | AllowedNameModifiers.push_back(OMPD_target); | |||
3199 | break; | |||
3200 | case OMPD_teams_distribute: | |||
3201 | Res = ActOnOpenMPTeamsDistributeDirective( | |||
3202 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | |||
3203 | break; | |||
3204 | case OMPD_teams_distribute_simd: | |||
3205 | Res = ActOnOpenMPTeamsDistributeSimdDirective( | |||
3206 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | |||
3207 | break; | |||
3208 | case OMPD_teams_distribute_parallel_for_simd: | |||
3209 | Res = ActOnOpenMPTeamsDistributeParallelForSimdDirective( | |||
3210 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | |||
3211 | AllowedNameModifiers.push_back(OMPD_parallel); | |||
3212 | break; | |||
3213 | case OMPD_teams_distribute_parallel_for: | |||
3214 | Res = ActOnOpenMPTeamsDistributeParallelForDirective( | |||
3215 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | |||
3216 | AllowedNameModifiers.push_back(OMPD_parallel); | |||
3217 | break; | |||
3218 | case OMPD_target_teams: | |||
3219 | Res = ActOnOpenMPTargetTeamsDirective(ClausesWithImplicit, AStmt, StartLoc, | |||
3220 | EndLoc); | |||
3221 | AllowedNameModifiers.push_back(OMPD_target); | |||
3222 | break; | |||
3223 | case OMPD_target_teams_distribute: | |||
3224 | Res = ActOnOpenMPTargetTeamsDistributeDirective( | |||
3225 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | |||
3226 | AllowedNameModifiers.push_back(OMPD_target); | |||
3227 | break; | |||
3228 | case OMPD_target_teams_distribute_parallel_for: | |||
3229 | Res = ActOnOpenMPTargetTeamsDistributeParallelForDirective( | |||
3230 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | |||
3231 | AllowedNameModifiers.push_back(OMPD_target); | |||
3232 | AllowedNameModifiers.push_back(OMPD_parallel); | |||
3233 | break; | |||
3234 | case OMPD_target_teams_distribute_parallel_for_simd: | |||
3235 | Res = ActOnOpenMPTargetTeamsDistributeParallelForSimdDirective( | |||
3236 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | |||
3237 | AllowedNameModifiers.push_back(OMPD_target); | |||
3238 | AllowedNameModifiers.push_back(OMPD_parallel); | |||
3239 | break; | |||
3240 | case OMPD_target_teams_distribute_simd: | |||
3241 | Res = ActOnOpenMPTargetTeamsDistributeSimdDirective( | |||
3242 | ClausesWithImplicit, AStmt, StartLoc, EndLoc, VarsWithInheritedDSA); | |||
3243 | AllowedNameModifiers.push_back(OMPD_target); | |||
3244 | break; | |||
3245 | case OMPD_declare_target: | |||
3246 | case OMPD_end_declare_target: | |||
3247 | case OMPD_threadprivate: | |||
3248 | case OMPD_declare_reduction: | |||
3249 | case OMPD_declare_simd: | |||
3250 | llvm_unreachable("OpenMP Directive is not allowed")::llvm::llvm_unreachable_internal("OpenMP Directive is not allowed" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 3250); | |||
3251 | case OMPD_unknown: | |||
3252 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 3252); | |||
3253 | } | |||
3254 | ||||
3255 | for (auto P : VarsWithInheritedDSA) { | |||
3256 | Diag(P.second->getExprLoc(), diag::err_omp_no_dsa_for_variable) | |||
3257 | << P.first << P.second->getSourceRange(); | |||
3258 | } | |||
3259 | ErrorFound = !VarsWithInheritedDSA.empty() || ErrorFound; | |||
3260 | ||||
3261 | if (!AllowedNameModifiers.empty()) | |||
3262 | ErrorFound = checkIfClauses(*this, Kind, Clauses, AllowedNameModifiers) || | |||
3263 | ErrorFound; | |||
3264 | ||||
3265 | if (ErrorFound) | |||
3266 | return StmtError(); | |||
3267 | return Res; | |||
3268 | } | |||
3269 | ||||
3270 | Sema::DeclGroupPtrTy Sema::ActOnOpenMPDeclareSimdDirective( | |||
3271 | DeclGroupPtrTy DG, OMPDeclareSimdDeclAttr::BranchStateTy BS, Expr *Simdlen, | |||
3272 | ArrayRef<Expr *> Uniforms, ArrayRef<Expr *> Aligneds, | |||
3273 | ArrayRef<Expr *> Alignments, ArrayRef<Expr *> Linears, | |||
3274 | ArrayRef<unsigned> LinModifiers, ArrayRef<Expr *> Steps, SourceRange SR) { | |||
3275 | assert(Aligneds.size() == Alignments.size())(static_cast <bool> (Aligneds.size() == Alignments.size ()) ? void (0) : __assert_fail ("Aligneds.size() == Alignments.size()" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 3275, __extension__ __PRETTY_FUNCTION__)); | |||
3276 | assert(Linears.size() == LinModifiers.size())(static_cast <bool> (Linears.size() == LinModifiers.size ()) ? void (0) : __assert_fail ("Linears.size() == LinModifiers.size()" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 3276, __extension__ __PRETTY_FUNCTION__)); | |||
3277 | assert(Linears.size() == Steps.size())(static_cast <bool> (Linears.size() == Steps.size()) ? void (0) : __assert_fail ("Linears.size() == Steps.size()", "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 3277, __extension__ __PRETTY_FUNCTION__)); | |||
3278 | if (!DG || DG.get().isNull()) | |||
3279 | return DeclGroupPtrTy(); | |||
3280 | ||||
3281 | if (!DG.get().isSingleDecl()) { | |||
3282 | Diag(SR.getBegin(), diag::err_omp_single_decl_in_declare_simd); | |||
3283 | return DG; | |||
3284 | } | |||
3285 | auto *ADecl = DG.get().getSingleDecl(); | |||
3286 | if (auto *FTD = dyn_cast<FunctionTemplateDecl>(ADecl)) | |||
3287 | ADecl = FTD->getTemplatedDecl(); | |||
3288 | ||||
3289 | auto *FD = dyn_cast<FunctionDecl>(ADecl); | |||
3290 | if (!FD) { | |||
3291 | Diag(ADecl->getLocation(), diag::err_omp_function_expected); | |||
3292 | return DeclGroupPtrTy(); | |||
3293 | } | |||
3294 | ||||
3295 | // OpenMP [2.8.2, declare simd construct, Description] | |||
3296 | // The parameter of the simdlen clause must be a constant positive integer | |||
3297 | // expression. | |||
3298 | ExprResult SL; | |||
3299 | if (Simdlen) | |||
3300 | SL = VerifyPositiveIntegerConstantInClause(Simdlen, OMPC_simdlen); | |||
3301 | // OpenMP [2.8.2, declare simd construct, Description] | |||
3302 | // The special this pointer can be used as if was one of the arguments to the | |||
3303 | // function in any of the linear, aligned, or uniform clauses. | |||
3304 | // The uniform clause declares one or more arguments to have an invariant | |||
3305 | // value for all concurrent invocations of the function in the execution of a | |||
3306 | // single SIMD loop. | |||
3307 | llvm::DenseMap<Decl *, Expr *> UniformedArgs; | |||
3308 | Expr *UniformedLinearThis = nullptr; | |||
3309 | for (auto *E : Uniforms) { | |||
3310 | E = E->IgnoreParenImpCasts(); | |||
3311 | if (auto *DRE = dyn_cast<DeclRefExpr>(E)) | |||
3312 | if (auto *PVD = dyn_cast<ParmVarDecl>(DRE->getDecl())) | |||
3313 | if (FD->getNumParams() > PVD->getFunctionScopeIndex() && | |||
3314 | FD->getParamDecl(PVD->getFunctionScopeIndex()) | |||
3315 | ->getCanonicalDecl() == PVD->getCanonicalDecl()) { | |||
3316 | UniformedArgs.insert(std::make_pair(PVD->getCanonicalDecl(), E)); | |||
3317 | continue; | |||
3318 | } | |||
3319 | if (isa<CXXThisExpr>(E)) { | |||
3320 | UniformedLinearThis = E; | |||
3321 | continue; | |||
3322 | } | |||
3323 | Diag(E->getExprLoc(), diag::err_omp_param_or_this_in_clause) | |||
3324 | << FD->getDeclName() << (isa<CXXMethodDecl>(ADecl) ? 1 : 0); | |||
3325 | } | |||
3326 | // OpenMP [2.8.2, declare simd construct, Description] | |||
3327 | // The aligned clause declares that the object to which each list item points | |||
3328 | // is aligned to the number of bytes expressed in the optional parameter of | |||
3329 | // the aligned clause. | |||
3330 | // The special this pointer can be used as if was one of the arguments to the | |||
3331 | // function in any of the linear, aligned, or uniform clauses. | |||
3332 | // The type of list items appearing in the aligned clause must be array, | |||
3333 | // pointer, reference to array, or reference to pointer. | |||
3334 | llvm::DenseMap<Decl *, Expr *> AlignedArgs; | |||
3335 | Expr *AlignedThis = nullptr; | |||
3336 | for (auto *E : Aligneds) { | |||
3337 | E = E->IgnoreParenImpCasts(); | |||
3338 | if (auto *DRE = dyn_cast<DeclRefExpr>(E)) | |||
3339 | if (auto *PVD = dyn_cast<ParmVarDecl>(DRE->getDecl())) { | |||
3340 | auto *CanonPVD = PVD->getCanonicalDecl(); | |||
3341 | if (FD->getNumParams() > PVD->getFunctionScopeIndex() && | |||
3342 | FD->getParamDecl(PVD->getFunctionScopeIndex()) | |||
3343 | ->getCanonicalDecl() == CanonPVD) { | |||
3344 | // OpenMP [2.8.1, simd construct, Restrictions] | |||
3345 | // A list-item cannot appear in more than one aligned clause. | |||
3346 | if (AlignedArgs.count(CanonPVD) > 0) { | |||
3347 | Diag(E->getExprLoc(), diag::err_omp_aligned_twice) | |||
3348 | << 1 << E->getSourceRange(); | |||
3349 | Diag(AlignedArgs[CanonPVD]->getExprLoc(), | |||
3350 | diag::note_omp_explicit_dsa) | |||
3351 | << getOpenMPClauseName(OMPC_aligned); | |||
3352 | continue; | |||
3353 | } | |||
3354 | AlignedArgs[CanonPVD] = E; | |||
3355 | QualType QTy = PVD->getType() | |||
3356 | .getNonReferenceType() | |||
3357 | .getUnqualifiedType() | |||
3358 | .getCanonicalType(); | |||
3359 | const Type *Ty = QTy.getTypePtrOrNull(); | |||
3360 | if (!Ty || (!Ty->isArrayType() && !Ty->isPointerType())) { | |||
3361 | Diag(E->getExprLoc(), diag::err_omp_aligned_expected_array_or_ptr) | |||
3362 | << QTy << getLangOpts().CPlusPlus << E->getSourceRange(); | |||
3363 | Diag(PVD->getLocation(), diag::note_previous_decl) << PVD; | |||
3364 | } | |||
3365 | continue; | |||
3366 | } | |||
3367 | } | |||
3368 | if (isa<CXXThisExpr>(E)) { | |||
3369 | if (AlignedThis) { | |||
3370 | Diag(E->getExprLoc(), diag::err_omp_aligned_twice) | |||
3371 | << 2 << E->getSourceRange(); | |||
3372 | Diag(AlignedThis->getExprLoc(), diag::note_omp_explicit_dsa) | |||
3373 | << getOpenMPClauseName(OMPC_aligned); | |||
3374 | } | |||
3375 | AlignedThis = E; | |||
3376 | continue; | |||
3377 | } | |||
3378 | Diag(E->getExprLoc(), diag::err_omp_param_or_this_in_clause) | |||
3379 | << FD->getDeclName() << (isa<CXXMethodDecl>(ADecl) ? 1 : 0); | |||
3380 | } | |||
3381 | // The optional parameter of the aligned clause, alignment, must be a constant | |||
3382 | // positive integer expression. If no optional parameter is specified, | |||
3383 | // implementation-defined default alignments for SIMD instructions on the | |||
3384 | // target platforms are assumed. | |||
3385 | SmallVector<Expr *, 4> NewAligns; | |||
3386 | for (auto *E : Alignments) { | |||
3387 | ExprResult Align; | |||
3388 | if (E) | |||
3389 | Align = VerifyPositiveIntegerConstantInClause(E, OMPC_aligned); | |||
3390 | NewAligns.push_back(Align.get()); | |||
3391 | } | |||
3392 | // OpenMP [2.8.2, declare simd construct, Description] | |||
3393 | // The linear clause declares one or more list items to be private to a SIMD | |||
3394 | // lane and to have a linear relationship with respect to the iteration space | |||
3395 | // of a loop. | |||
3396 | // The special this pointer can be used as if was one of the arguments to the | |||
3397 | // function in any of the linear, aligned, or uniform clauses. | |||
3398 | // When a linear-step expression is specified in a linear clause it must be | |||
3399 | // either a constant integer expression or an integer-typed parameter that is | |||
3400 | // specified in a uniform clause on the directive. | |||
3401 | llvm::DenseMap<Decl *, Expr *> LinearArgs; | |||
3402 | const bool IsUniformedThis = UniformedLinearThis != nullptr; | |||
3403 | auto MI = LinModifiers.begin(); | |||
3404 | for (auto *E : Linears) { | |||
3405 | auto LinKind = static_cast<OpenMPLinearClauseKind>(*MI); | |||
3406 | ++MI; | |||
3407 | E = E->IgnoreParenImpCasts(); | |||
3408 | if (auto *DRE = dyn_cast<DeclRefExpr>(E)) | |||
3409 | if (auto *PVD = dyn_cast<ParmVarDecl>(DRE->getDecl())) { | |||
3410 | auto *CanonPVD = PVD->getCanonicalDecl(); | |||
3411 | if (FD->getNumParams() > PVD->getFunctionScopeIndex() && | |||
3412 | FD->getParamDecl(PVD->getFunctionScopeIndex()) | |||
3413 | ->getCanonicalDecl() == CanonPVD) { | |||
3414 | // OpenMP [2.15.3.7, linear Clause, Restrictions] | |||
3415 | // A list-item cannot appear in more than one linear clause. | |||
3416 | if (LinearArgs.count(CanonPVD) > 0) { | |||
3417 | Diag(E->getExprLoc(), diag::err_omp_wrong_dsa) | |||
3418 | << getOpenMPClauseName(OMPC_linear) | |||
3419 | << getOpenMPClauseName(OMPC_linear) << E->getSourceRange(); | |||
3420 | Diag(LinearArgs[CanonPVD]->getExprLoc(), | |||
3421 | diag::note_omp_explicit_dsa) | |||
3422 | << getOpenMPClauseName(OMPC_linear); | |||
3423 | continue; | |||
3424 | } | |||
3425 | // Each argument can appear in at most one uniform or linear clause. | |||
3426 | if (UniformedArgs.count(CanonPVD) > 0) { | |||
3427 | Diag(E->getExprLoc(), diag::err_omp_wrong_dsa) | |||
3428 | << getOpenMPClauseName(OMPC_linear) | |||
3429 | << getOpenMPClauseName(OMPC_uniform) << E->getSourceRange(); | |||
3430 | Diag(UniformedArgs[CanonPVD]->getExprLoc(), | |||
3431 | diag::note_omp_explicit_dsa) | |||
3432 | << getOpenMPClauseName(OMPC_uniform); | |||
3433 | continue; | |||
3434 | } | |||
3435 | LinearArgs[CanonPVD] = E; | |||
3436 | if (E->isValueDependent() || E->isTypeDependent() || | |||
3437 | E->isInstantiationDependent() || | |||
3438 | E->containsUnexpandedParameterPack()) | |||
3439 | continue; | |||
3440 | (void)CheckOpenMPLinearDecl(CanonPVD, E->getExprLoc(), LinKind, | |||
3441 | PVD->getOriginalType()); | |||
3442 | continue; | |||
3443 | } | |||
3444 | } | |||
3445 | if (isa<CXXThisExpr>(E)) { | |||
3446 | if (UniformedLinearThis) { | |||
3447 | Diag(E->getExprLoc(), diag::err_omp_wrong_dsa) | |||
3448 | << getOpenMPClauseName(OMPC_linear) | |||
3449 | << getOpenMPClauseName(IsUniformedThis ? OMPC_uniform : OMPC_linear) | |||
3450 | << E->getSourceRange(); | |||
3451 | Diag(UniformedLinearThis->getExprLoc(), diag::note_omp_explicit_dsa) | |||
3452 | << getOpenMPClauseName(IsUniformedThis ? OMPC_uniform | |||
3453 | : OMPC_linear); | |||
3454 | continue; | |||
3455 | } | |||
3456 | UniformedLinearThis = E; | |||
3457 | if (E->isValueDependent() || E->isTypeDependent() || | |||
3458 | E->isInstantiationDependent() || E->containsUnexpandedParameterPack()) | |||
3459 | continue; | |||
3460 | (void)CheckOpenMPLinearDecl(/*D=*/nullptr, E->getExprLoc(), LinKind, | |||
3461 | E->getType()); | |||
3462 | continue; | |||
3463 | } | |||
3464 | Diag(E->getExprLoc(), diag::err_omp_param_or_this_in_clause) | |||
3465 | << FD->getDeclName() << (isa<CXXMethodDecl>(ADecl) ? 1 : 0); | |||
3466 | } | |||
3467 | Expr *Step = nullptr; | |||
3468 | Expr *NewStep = nullptr; | |||
3469 | SmallVector<Expr *, 4> NewSteps; | |||
3470 | for (auto *E : Steps) { | |||
3471 | // Skip the same step expression, it was checked already. | |||
3472 | if (Step == E || !E) { | |||
3473 | NewSteps.push_back(E ? NewStep : nullptr); | |||
3474 | continue; | |||
3475 | } | |||
3476 | Step = E; | |||
3477 | if (auto *DRE = dyn_cast<DeclRefExpr>(Step)) | |||
3478 | if (auto *PVD = dyn_cast<ParmVarDecl>(DRE->getDecl())) { | |||
3479 | auto *CanonPVD = PVD->getCanonicalDecl(); | |||
3480 | if (UniformedArgs.count(CanonPVD) == 0) { | |||
3481 | Diag(Step->getExprLoc(), diag::err_omp_expected_uniform_param) | |||
3482 | << Step->getSourceRange(); | |||
3483 | } else if (E->isValueDependent() || E->isTypeDependent() || | |||
3484 | E->isInstantiationDependent() || | |||
3485 | E->containsUnexpandedParameterPack() || | |||
3486 | CanonPVD->getType()->hasIntegerRepresentation()) | |||
3487 | NewSteps.push_back(Step); | |||
3488 | else { | |||
3489 | Diag(Step->getExprLoc(), diag::err_omp_expected_int_param) | |||
3490 | << Step->getSourceRange(); | |||
3491 | } | |||
3492 | continue; | |||
3493 | } | |||
3494 | NewStep = Step; | |||
3495 | if (Step && !Step->isValueDependent() && !Step->isTypeDependent() && | |||
3496 | !Step->isInstantiationDependent() && | |||
3497 | !Step->containsUnexpandedParameterPack()) { | |||
3498 | NewStep = PerformOpenMPImplicitIntegerConversion(Step->getExprLoc(), Step) | |||
3499 | .get(); | |||
3500 | if (NewStep) | |||
3501 | NewStep = VerifyIntegerConstantExpression(NewStep).get(); | |||
3502 | } | |||
3503 | NewSteps.push_back(NewStep); | |||
3504 | } | |||
3505 | auto *NewAttr = OMPDeclareSimdDeclAttr::CreateImplicit( | |||
3506 | Context, BS, SL.get(), const_cast<Expr **>(Uniforms.data()), | |||
3507 | Uniforms.size(), const_cast<Expr **>(Aligneds.data()), Aligneds.size(), | |||
3508 | const_cast<Expr **>(NewAligns.data()), NewAligns.size(), | |||
3509 | const_cast<Expr **>(Linears.data()), Linears.size(), | |||
3510 | const_cast<unsigned *>(LinModifiers.data()), LinModifiers.size(), | |||
3511 | NewSteps.data(), NewSteps.size(), SR); | |||
3512 | ADecl->addAttr(NewAttr); | |||
3513 | return ConvertDeclToDeclGroup(ADecl); | |||
3514 | } | |||
3515 | ||||
3516 | StmtResult Sema::ActOnOpenMPParallelDirective(ArrayRef<OMPClause *> Clauses, | |||
3517 | Stmt *AStmt, | |||
3518 | SourceLocation StartLoc, | |||
3519 | SourceLocation EndLoc) { | |||
3520 | if (!AStmt) | |||
3521 | return StmtError(); | |||
3522 | ||||
3523 | CapturedStmt *CS = cast<CapturedStmt>(AStmt); | |||
3524 | // 1.2.2 OpenMP Language Terminology | |||
3525 | // Structured block - An executable statement with a single entry at the | |||
3526 | // top and a single exit at the bottom. | |||
3527 | // The point of exit cannot be a branch out of the structured block. | |||
3528 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
3529 | CS->getCapturedDecl()->setNothrow(); | |||
3530 | ||||
3531 | getCurFunction()->setHasBranchProtectedScope(); | |||
3532 | ||||
3533 | return OMPParallelDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, | |||
3534 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | |||
3535 | } | |||
3536 | ||||
3537 | namespace { | |||
3538 | /// \brief Helper class for checking canonical form of the OpenMP loops and | |||
3539 | /// extracting iteration space of each loop in the loop nest, that will be used | |||
3540 | /// for IR generation. | |||
3541 | class OpenMPIterationSpaceChecker { | |||
3542 | /// \brief Reference to Sema. | |||
3543 | Sema &SemaRef; | |||
3544 | /// \brief A location for diagnostics (when there is no some better location). | |||
3545 | SourceLocation DefaultLoc; | |||
3546 | /// \brief A location for diagnostics (when increment is not compatible). | |||
3547 | SourceLocation ConditionLoc; | |||
3548 | /// \brief A source location for referring to loop init later. | |||
3549 | SourceRange InitSrcRange; | |||
3550 | /// \brief A source location for referring to condition later. | |||
3551 | SourceRange ConditionSrcRange; | |||
3552 | /// \brief A source location for referring to increment later. | |||
3553 | SourceRange IncrementSrcRange; | |||
3554 | /// \brief Loop variable. | |||
3555 | ValueDecl *LCDecl = nullptr; | |||
3556 | /// \brief Reference to loop variable. | |||
3557 | Expr *LCRef = nullptr; | |||
3558 | /// \brief Lower bound (initializer for the var). | |||
3559 | Expr *LB = nullptr; | |||
3560 | /// \brief Upper bound. | |||
3561 | Expr *UB = nullptr; | |||
3562 | /// \brief Loop step (increment). | |||
3563 | Expr *Step = nullptr; | |||
3564 | /// \brief This flag is true when condition is one of: | |||
3565 | /// Var < UB | |||
3566 | /// Var <= UB | |||
3567 | /// UB > Var | |||
3568 | /// UB >= Var | |||
3569 | bool TestIsLessOp = false; | |||
3570 | /// \brief This flag is true when condition is strict ( < or > ). | |||
3571 | bool TestIsStrictOp = false; | |||
3572 | /// \brief This flag is true when step is subtracted on each iteration. | |||
3573 | bool SubtractStep = false; | |||
3574 | ||||
3575 | public: | |||
3576 | OpenMPIterationSpaceChecker(Sema &SemaRef, SourceLocation DefaultLoc) | |||
3577 | : SemaRef(SemaRef), DefaultLoc(DefaultLoc), ConditionLoc(DefaultLoc) {} | |||
3578 | /// \brief Check init-expr for canonical loop form and save loop counter | |||
3579 | /// variable - #Var and its initialization value - #LB. | |||
3580 | bool CheckInit(Stmt *S, bool EmitDiags = true); | |||
3581 | /// \brief Check test-expr for canonical form, save upper-bound (#UB), flags | |||
3582 | /// for less/greater and for strict/non-strict comparison. | |||
3583 | bool CheckCond(Expr *S); | |||
3584 | /// \brief Check incr-expr for canonical loop form and return true if it | |||
3585 | /// does not conform, otherwise save loop step (#Step). | |||
3586 | bool CheckInc(Expr *S); | |||
3587 | /// \brief Return the loop counter variable. | |||
3588 | ValueDecl *GetLoopDecl() const { return LCDecl; } | |||
3589 | /// \brief Return the reference expression to loop counter variable. | |||
3590 | Expr *GetLoopDeclRefExpr() const { return LCRef; } | |||
3591 | /// \brief Source range of the loop init. | |||
3592 | SourceRange GetInitSrcRange() const { return InitSrcRange; } | |||
3593 | /// \brief Source range of the loop condition. | |||
3594 | SourceRange GetConditionSrcRange() const { return ConditionSrcRange; } | |||
3595 | /// \brief Source range of the loop increment. | |||
3596 | SourceRange GetIncrementSrcRange() const { return IncrementSrcRange; } | |||
3597 | /// \brief True if the step should be subtracted. | |||
3598 | bool ShouldSubtractStep() const { return SubtractStep; } | |||
3599 | /// \brief Build the expression to calculate the number of iterations. | |||
3600 | Expr * | |||
3601 | BuildNumIterations(Scope *S, const bool LimitedType, | |||
3602 | llvm::MapVector<Expr *, DeclRefExpr *> &Captures) const; | |||
3603 | /// \brief Build the precondition expression for the loops. | |||
3604 | Expr *BuildPreCond(Scope *S, Expr *Cond, | |||
3605 | llvm::MapVector<Expr *, DeclRefExpr *> &Captures) const; | |||
3606 | /// \brief Build reference expression to the counter be used for codegen. | |||
3607 | DeclRefExpr *BuildCounterVar(llvm::MapVector<Expr *, DeclRefExpr *> &Captures, | |||
3608 | DSAStackTy &DSA) const; | |||
3609 | /// \brief Build reference expression to the private counter be used for | |||
3610 | /// codegen. | |||
3611 | Expr *BuildPrivateCounterVar() const; | |||
3612 | /// \brief Build initialization of the counter be used for codegen. | |||
3613 | Expr *BuildCounterInit() const; | |||
3614 | /// \brief Build step of the counter be used for codegen. | |||
3615 | Expr *BuildCounterStep() const; | |||
3616 | /// \brief Return true if any expression is dependent. | |||
3617 | bool Dependent() const; | |||
3618 | ||||
3619 | private: | |||
3620 | /// \brief Check the right-hand side of an assignment in the increment | |||
3621 | /// expression. | |||
3622 | bool CheckIncRHS(Expr *RHS); | |||
3623 | /// \brief Helper to set loop counter variable and its initializer. | |||
3624 | bool SetLCDeclAndLB(ValueDecl *NewLCDecl, Expr *NewDeclRefExpr, Expr *NewLB); | |||
3625 | /// \brief Helper to set upper bound. | |||
3626 | bool SetUB(Expr *NewUB, bool LessOp, bool StrictOp, SourceRange SR, | |||
3627 | SourceLocation SL); | |||
3628 | /// \brief Helper to set loop increment. | |||
3629 | bool SetStep(Expr *NewStep, bool Subtract); | |||
3630 | }; | |||
3631 | ||||
3632 | bool OpenMPIterationSpaceChecker::Dependent() const { | |||
3633 | if (!LCDecl) { | |||
3634 | assert(!LB && !UB && !Step)(static_cast <bool> (!LB && !UB && !Step ) ? void (0) : __assert_fail ("!LB && !UB && !Step" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 3634, __extension__ __PRETTY_FUNCTION__)); | |||
3635 | return false; | |||
3636 | } | |||
3637 | return LCDecl->getType()->isDependentType() || | |||
3638 | (LB && LB->isValueDependent()) || (UB && UB->isValueDependent()) || | |||
3639 | (Step && Step->isValueDependent()); | |||
3640 | } | |||
3641 | ||||
3642 | bool OpenMPIterationSpaceChecker::SetLCDeclAndLB(ValueDecl *NewLCDecl, | |||
3643 | Expr *NewLCRefExpr, | |||
3644 | Expr *NewLB) { | |||
3645 | // State consistency checking to ensure correct usage. | |||
3646 | assert(LCDecl == nullptr && LB == nullptr && LCRef == nullptr &&(static_cast <bool> (LCDecl == nullptr && LB == nullptr && LCRef == nullptr && UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp) ? void (0) : __assert_fail ("LCDecl == nullptr && LB == nullptr && LCRef == nullptr && UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 3647, __extension__ __PRETTY_FUNCTION__)) | |||
3647 | UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp)(static_cast <bool> (LCDecl == nullptr && LB == nullptr && LCRef == nullptr && UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp) ? void (0) : __assert_fail ("LCDecl == nullptr && LB == nullptr && LCRef == nullptr && UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 3647, __extension__ __PRETTY_FUNCTION__)); | |||
3648 | if (!NewLCDecl || !NewLB) | |||
3649 | return true; | |||
3650 | LCDecl = getCanonicalDecl(NewLCDecl); | |||
3651 | LCRef = NewLCRefExpr; | |||
3652 | if (auto *CE = dyn_cast_or_null<CXXConstructExpr>(NewLB)) | |||
3653 | if (const CXXConstructorDecl *Ctor = CE->getConstructor()) | |||
3654 | if ((Ctor->isCopyOrMoveConstructor() || | |||
3655 | Ctor->isConvertingConstructor(/*AllowExplicit=*/false)) && | |||
3656 | CE->getNumArgs() > 0 && CE->getArg(0) != nullptr) | |||
3657 | NewLB = CE->getArg(0)->IgnoreParenImpCasts(); | |||
3658 | LB = NewLB; | |||
3659 | return false; | |||
3660 | } | |||
3661 | ||||
3662 | bool OpenMPIterationSpaceChecker::SetUB(Expr *NewUB, bool LessOp, bool StrictOp, | |||
3663 | SourceRange SR, SourceLocation SL) { | |||
3664 | // State consistency checking to ensure correct usage. | |||
3665 | assert(LCDecl != nullptr && LB != nullptr && UB == nullptr &&(static_cast <bool> (LCDecl != nullptr && LB != nullptr && UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp) ? void (0) : __assert_fail ("LCDecl != nullptr && LB != nullptr && UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 3666, __extension__ __PRETTY_FUNCTION__)) | |||
3666 | Step == nullptr && !TestIsLessOp && !TestIsStrictOp)(static_cast <bool> (LCDecl != nullptr && LB != nullptr && UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp) ? void (0) : __assert_fail ("LCDecl != nullptr && LB != nullptr && UB == nullptr && Step == nullptr && !TestIsLessOp && !TestIsStrictOp" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 3666, __extension__ __PRETTY_FUNCTION__)); | |||
3667 | if (!NewUB) | |||
3668 | return true; | |||
3669 | UB = NewUB; | |||
3670 | TestIsLessOp = LessOp; | |||
3671 | TestIsStrictOp = StrictOp; | |||
3672 | ConditionSrcRange = SR; | |||
3673 | ConditionLoc = SL; | |||
3674 | return false; | |||
3675 | } | |||
3676 | ||||
3677 | bool OpenMPIterationSpaceChecker::SetStep(Expr *NewStep, bool Subtract) { | |||
3678 | // State consistency checking to ensure correct usage. | |||
3679 | assert(LCDecl != nullptr && LB != nullptr && Step == nullptr)(static_cast <bool> (LCDecl != nullptr && LB != nullptr && Step == nullptr) ? void (0) : __assert_fail ("LCDecl != nullptr && LB != nullptr && Step == nullptr" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 3679, __extension__ __PRETTY_FUNCTION__)); | |||
3680 | if (!NewStep) | |||
3681 | return true; | |||
3682 | if (!NewStep->isValueDependent()) { | |||
3683 | // Check that the step is integer expression. | |||
3684 | SourceLocation StepLoc = NewStep->getLocStart(); | |||
3685 | ExprResult Val = SemaRef.PerformOpenMPImplicitIntegerConversion( | |||
3686 | StepLoc, getExprAsWritten(NewStep)); | |||
3687 | if (Val.isInvalid()) | |||
3688 | return true; | |||
3689 | NewStep = Val.get(); | |||
3690 | ||||
3691 | // OpenMP [2.6, Canonical Loop Form, Restrictions] | |||
3692 | // If test-expr is of form var relational-op b and relational-op is < or | |||
3693 | // <= then incr-expr must cause var to increase on each iteration of the | |||
3694 | // loop. If test-expr is of form var relational-op b and relational-op is | |||
3695 | // > or >= then incr-expr must cause var to decrease on each iteration of | |||
3696 | // the loop. | |||
3697 | // If test-expr is of form b relational-op var and relational-op is < or | |||
3698 | // <= then incr-expr must cause var to decrease on each iteration of the | |||
3699 | // loop. If test-expr is of form b relational-op var and relational-op is | |||
3700 | // > or >= then incr-expr must cause var to increase on each iteration of | |||
3701 | // the loop. | |||
3702 | llvm::APSInt Result; | |||
3703 | bool IsConstant = NewStep->isIntegerConstantExpr(Result, SemaRef.Context); | |||
3704 | bool IsUnsigned = !NewStep->getType()->hasSignedIntegerRepresentation(); | |||
3705 | bool IsConstNeg = | |||
3706 | IsConstant && Result.isSigned() && (Subtract != Result.isNegative()); | |||
3707 | bool IsConstPos = | |||
3708 | IsConstant && Result.isSigned() && (Subtract == Result.isNegative()); | |||
3709 | bool IsConstZero = IsConstant && !Result.getBoolValue(); | |||
3710 | if (UB && (IsConstZero || | |||
3711 | (TestIsLessOp ? (IsConstNeg || (IsUnsigned && Subtract)) | |||
3712 | : (IsConstPos || (IsUnsigned && !Subtract))))) { | |||
3713 | SemaRef.Diag(NewStep->getExprLoc(), | |||
3714 | diag::err_omp_loop_incr_not_compatible) | |||
3715 | << LCDecl << TestIsLessOp << NewStep->getSourceRange(); | |||
3716 | SemaRef.Diag(ConditionLoc, | |||
3717 | diag::note_omp_loop_cond_requres_compatible_incr) | |||
3718 | << TestIsLessOp << ConditionSrcRange; | |||
3719 | return true; | |||
3720 | } | |||
3721 | if (TestIsLessOp == Subtract) { | |||
3722 | NewStep = | |||
3723 | SemaRef.CreateBuiltinUnaryOp(NewStep->getExprLoc(), UO_Minus, NewStep) | |||
3724 | .get(); | |||
3725 | Subtract = !Subtract; | |||
3726 | } | |||
3727 | } | |||
3728 | ||||
3729 | Step = NewStep; | |||
3730 | SubtractStep = Subtract; | |||
3731 | return false; | |||
3732 | } | |||
3733 | ||||
3734 | bool OpenMPIterationSpaceChecker::CheckInit(Stmt *S, bool EmitDiags) { | |||
3735 | // Check init-expr for canonical loop form and save loop counter | |||
3736 | // variable - #Var and its initialization value - #LB. | |||
3737 | // OpenMP [2.6] Canonical loop form. init-expr may be one of the following: | |||
3738 | // var = lb | |||
3739 | // integer-type var = lb | |||
3740 | // random-access-iterator-type var = lb | |||
3741 | // pointer-type var = lb | |||
3742 | // | |||
3743 | if (!S) { | |||
3744 | if (EmitDiags) { | |||
3745 | SemaRef.Diag(DefaultLoc, diag::err_omp_loop_not_canonical_init); | |||
3746 | } | |||
3747 | return true; | |||
3748 | } | |||
3749 | if (auto *ExprTemp = dyn_cast<ExprWithCleanups>(S)) | |||
3750 | if (!ExprTemp->cleanupsHaveSideEffects()) | |||
3751 | S = ExprTemp->getSubExpr(); | |||
3752 | ||||
3753 | InitSrcRange = S->getSourceRange(); | |||
3754 | if (Expr *E = dyn_cast<Expr>(S)) | |||
3755 | S = E->IgnoreParens(); | |||
3756 | if (auto *BO = dyn_cast<BinaryOperator>(S)) { | |||
3757 | if (BO->getOpcode() == BO_Assign) { | |||
3758 | auto *LHS = BO->getLHS()->IgnoreParens(); | |||
3759 | if (auto *DRE = dyn_cast<DeclRefExpr>(LHS)) { | |||
3760 | if (auto *CED = dyn_cast<OMPCapturedExprDecl>(DRE->getDecl())) | |||
3761 | if (auto *ME = dyn_cast<MemberExpr>(getExprAsWritten(CED->getInit()))) | |||
3762 | return SetLCDeclAndLB(ME->getMemberDecl(), ME, BO->getRHS()); | |||
3763 | return SetLCDeclAndLB(DRE->getDecl(), DRE, BO->getRHS()); | |||
3764 | } | |||
3765 | if (auto *ME = dyn_cast<MemberExpr>(LHS)) { | |||
3766 | if (ME->isArrow() && | |||
3767 | isa<CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts())) | |||
3768 | return SetLCDeclAndLB(ME->getMemberDecl(), ME, BO->getRHS()); | |||
3769 | } | |||
3770 | } | |||
3771 | } else if (auto *DS = dyn_cast<DeclStmt>(S)) { | |||
3772 | if (DS->isSingleDecl()) { | |||
3773 | if (auto *Var = dyn_cast_or_null<VarDecl>(DS->getSingleDecl())) { | |||
3774 | if (Var->hasInit() && !Var->getType()->isReferenceType()) { | |||
3775 | // Accept non-canonical init form here but emit ext. warning. | |||
3776 | if (Var->getInitStyle() != VarDecl::CInit && EmitDiags) | |||
3777 | SemaRef.Diag(S->getLocStart(), | |||
3778 | diag::ext_omp_loop_not_canonical_init) | |||
3779 | << S->getSourceRange(); | |||
3780 | return SetLCDeclAndLB(Var, nullptr, Var->getInit()); | |||
3781 | } | |||
3782 | } | |||
3783 | } | |||
3784 | } else if (auto *CE = dyn_cast<CXXOperatorCallExpr>(S)) { | |||
3785 | if (CE->getOperator() == OO_Equal) { | |||
3786 | auto *LHS = CE->getArg(0); | |||
3787 | if (auto *DRE = dyn_cast<DeclRefExpr>(LHS)) { | |||
3788 | if (auto *CED = dyn_cast<OMPCapturedExprDecl>(DRE->getDecl())) | |||
3789 | if (auto *ME = dyn_cast<MemberExpr>(getExprAsWritten(CED->getInit()))) | |||
3790 | return SetLCDeclAndLB(ME->getMemberDecl(), ME, BO->getRHS()); | |||
3791 | return SetLCDeclAndLB(DRE->getDecl(), DRE, CE->getArg(1)); | |||
3792 | } | |||
3793 | if (auto *ME = dyn_cast<MemberExpr>(LHS)) { | |||
3794 | if (ME->isArrow() && | |||
3795 | isa<CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts())) | |||
3796 | return SetLCDeclAndLB(ME->getMemberDecl(), ME, BO->getRHS()); | |||
3797 | } | |||
3798 | } | |||
3799 | } | |||
3800 | ||||
3801 | if (Dependent() || SemaRef.CurContext->isDependentContext()) | |||
3802 | return false; | |||
3803 | if (EmitDiags) { | |||
3804 | SemaRef.Diag(S->getLocStart(), diag::err_omp_loop_not_canonical_init) | |||
3805 | << S->getSourceRange(); | |||
3806 | } | |||
3807 | return true; | |||
3808 | } | |||
3809 | ||||
3810 | /// \brief Ignore parenthesizes, implicit casts, copy constructor and return the | |||
3811 | /// variable (which may be the loop variable) if possible. | |||
3812 | static const ValueDecl *GetInitLCDecl(Expr *E) { | |||
3813 | if (!E) | |||
3814 | return nullptr; | |||
3815 | E = getExprAsWritten(E); | |||
3816 | if (auto *CE = dyn_cast_or_null<CXXConstructExpr>(E)) | |||
3817 | if (const CXXConstructorDecl *Ctor = CE->getConstructor()) | |||
3818 | if ((Ctor->isCopyOrMoveConstructor() || | |||
3819 | Ctor->isConvertingConstructor(/*AllowExplicit=*/false)) && | |||
3820 | CE->getNumArgs() > 0 && CE->getArg(0) != nullptr) | |||
3821 | E = CE->getArg(0)->IgnoreParenImpCasts(); | |||
3822 | if (auto *DRE = dyn_cast_or_null<DeclRefExpr>(E)) { | |||
3823 | if (auto *VD = dyn_cast<VarDecl>(DRE->getDecl())) | |||
3824 | return getCanonicalDecl(VD); | |||
3825 | } | |||
3826 | if (auto *ME = dyn_cast_or_null<MemberExpr>(E)) | |||
3827 | if (ME->isArrow() && isa<CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts())) | |||
3828 | return getCanonicalDecl(ME->getMemberDecl()); | |||
3829 | return nullptr; | |||
3830 | } | |||
3831 | ||||
3832 | bool OpenMPIterationSpaceChecker::CheckCond(Expr *S) { | |||
3833 | // Check test-expr for canonical form, save upper-bound UB, flags for | |||
3834 | // less/greater and for strict/non-strict comparison. | |||
3835 | // OpenMP [2.6] Canonical loop form. Test-expr may be one of the following: | |||
3836 | // var relational-op b | |||
3837 | // b relational-op var | |||
3838 | // | |||
3839 | if (!S) { | |||
3840 | SemaRef.Diag(DefaultLoc, diag::err_omp_loop_not_canonical_cond) << LCDecl; | |||
3841 | return true; | |||
3842 | } | |||
3843 | S = getExprAsWritten(S); | |||
3844 | SourceLocation CondLoc = S->getLocStart(); | |||
3845 | if (auto *BO = dyn_cast<BinaryOperator>(S)) { | |||
3846 | if (BO->isRelationalOp()) { | |||
3847 | if (GetInitLCDecl(BO->getLHS()) == LCDecl) | |||
3848 | return SetUB(BO->getRHS(), | |||
3849 | (BO->getOpcode() == BO_LT || BO->getOpcode() == BO_LE), | |||
3850 | (BO->getOpcode() == BO_LT || BO->getOpcode() == BO_GT), | |||
3851 | BO->getSourceRange(), BO->getOperatorLoc()); | |||
3852 | if (GetInitLCDecl(BO->getRHS()) == LCDecl) | |||
3853 | return SetUB(BO->getLHS(), | |||
3854 | (BO->getOpcode() == BO_GT || BO->getOpcode() == BO_GE), | |||
3855 | (BO->getOpcode() == BO_LT || BO->getOpcode() == BO_GT), | |||
3856 | BO->getSourceRange(), BO->getOperatorLoc()); | |||
3857 | } | |||
3858 | } else if (auto *CE = dyn_cast<CXXOperatorCallExpr>(S)) { | |||
3859 | if (CE->getNumArgs() == 2) { | |||
3860 | auto Op = CE->getOperator(); | |||
3861 | switch (Op) { | |||
3862 | case OO_Greater: | |||
3863 | case OO_GreaterEqual: | |||
3864 | case OO_Less: | |||
3865 | case OO_LessEqual: | |||
3866 | if (GetInitLCDecl(CE->getArg(0)) == LCDecl) | |||
3867 | return SetUB(CE->getArg(1), Op == OO_Less || Op == OO_LessEqual, | |||
3868 | Op == OO_Less || Op == OO_Greater, CE->getSourceRange(), | |||
3869 | CE->getOperatorLoc()); | |||
3870 | if (GetInitLCDecl(CE->getArg(1)) == LCDecl) | |||
3871 | return SetUB(CE->getArg(0), Op == OO_Greater || Op == OO_GreaterEqual, | |||
3872 | Op == OO_Less || Op == OO_Greater, CE->getSourceRange(), | |||
3873 | CE->getOperatorLoc()); | |||
3874 | break; | |||
3875 | default: | |||
3876 | break; | |||
3877 | } | |||
3878 | } | |||
3879 | } | |||
3880 | if (Dependent() || SemaRef.CurContext->isDependentContext()) | |||
3881 | return false; | |||
3882 | SemaRef.Diag(CondLoc, diag::err_omp_loop_not_canonical_cond) | |||
3883 | << S->getSourceRange() << LCDecl; | |||
3884 | return true; | |||
3885 | } | |||
3886 | ||||
3887 | bool OpenMPIterationSpaceChecker::CheckIncRHS(Expr *RHS) { | |||
3888 | // RHS of canonical loop form increment can be: | |||
3889 | // var + incr | |||
3890 | // incr + var | |||
3891 | // var - incr | |||
3892 | // | |||
3893 | RHS = RHS->IgnoreParenImpCasts(); | |||
3894 | if (auto *BO = dyn_cast<BinaryOperator>(RHS)) { | |||
3895 | if (BO->isAdditiveOp()) { | |||
3896 | bool IsAdd = BO->getOpcode() == BO_Add; | |||
3897 | if (GetInitLCDecl(BO->getLHS()) == LCDecl) | |||
3898 | return SetStep(BO->getRHS(), !IsAdd); | |||
3899 | if (IsAdd && GetInitLCDecl(BO->getRHS()) == LCDecl) | |||
3900 | return SetStep(BO->getLHS(), false); | |||
3901 | } | |||
3902 | } else if (auto *CE = dyn_cast<CXXOperatorCallExpr>(RHS)) { | |||
3903 | bool IsAdd = CE->getOperator() == OO_Plus; | |||
3904 | if ((IsAdd || CE->getOperator() == OO_Minus) && CE->getNumArgs() == 2) { | |||
3905 | if (GetInitLCDecl(CE->getArg(0)) == LCDecl) | |||
3906 | return SetStep(CE->getArg(1), !IsAdd); | |||
3907 | if (IsAdd && GetInitLCDecl(CE->getArg(1)) == LCDecl) | |||
3908 | return SetStep(CE->getArg(0), false); | |||
3909 | } | |||
3910 | } | |||
3911 | if (Dependent() || SemaRef.CurContext->isDependentContext()) | |||
3912 | return false; | |||
3913 | SemaRef.Diag(RHS->getLocStart(), diag::err_omp_loop_not_canonical_incr) | |||
3914 | << RHS->getSourceRange() << LCDecl; | |||
3915 | return true; | |||
3916 | } | |||
3917 | ||||
3918 | bool OpenMPIterationSpaceChecker::CheckInc(Expr *S) { | |||
3919 | // Check incr-expr for canonical loop form and return true if it | |||
3920 | // does not conform. | |||
3921 | // OpenMP [2.6] Canonical loop form. Test-expr may be one of the following: | |||
3922 | // ++var | |||
3923 | // var++ | |||
3924 | // --var | |||
3925 | // var-- | |||
3926 | // var += incr | |||
3927 | // var -= incr | |||
3928 | // var = var + incr | |||
3929 | // var = incr + var | |||
3930 | // var = var - incr | |||
3931 | // | |||
3932 | if (!S) { | |||
3933 | SemaRef.Diag(DefaultLoc, diag::err_omp_loop_not_canonical_incr) << LCDecl; | |||
3934 | return true; | |||
3935 | } | |||
3936 | if (auto *ExprTemp = dyn_cast<ExprWithCleanups>(S)) | |||
3937 | if (!ExprTemp->cleanupsHaveSideEffects()) | |||
3938 | S = ExprTemp->getSubExpr(); | |||
3939 | ||||
3940 | IncrementSrcRange = S->getSourceRange(); | |||
3941 | S = S->IgnoreParens(); | |||
3942 | if (auto *UO = dyn_cast<UnaryOperator>(S)) { | |||
3943 | if (UO->isIncrementDecrementOp() && | |||
3944 | GetInitLCDecl(UO->getSubExpr()) == LCDecl) | |||
3945 | return SetStep(SemaRef | |||
3946 | .ActOnIntegerConstant(UO->getLocStart(), | |||
3947 | (UO->isDecrementOp() ? -1 : 1)) | |||
3948 | .get(), | |||
3949 | false); | |||
3950 | } else if (auto *BO = dyn_cast<BinaryOperator>(S)) { | |||
3951 | switch (BO->getOpcode()) { | |||
3952 | case BO_AddAssign: | |||
3953 | case BO_SubAssign: | |||
3954 | if (GetInitLCDecl(BO->getLHS()) == LCDecl) | |||
3955 | return SetStep(BO->getRHS(), BO->getOpcode() == BO_SubAssign); | |||
3956 | break; | |||
3957 | case BO_Assign: | |||
3958 | if (GetInitLCDecl(BO->getLHS()) == LCDecl) | |||
3959 | return CheckIncRHS(BO->getRHS()); | |||
3960 | break; | |||
3961 | default: | |||
3962 | break; | |||
3963 | } | |||
3964 | } else if (auto *CE = dyn_cast<CXXOperatorCallExpr>(S)) { | |||
3965 | switch (CE->getOperator()) { | |||
3966 | case OO_PlusPlus: | |||
3967 | case OO_MinusMinus: | |||
3968 | if (GetInitLCDecl(CE->getArg(0)) == LCDecl) | |||
3969 | return SetStep(SemaRef | |||
3970 | .ActOnIntegerConstant( | |||
3971 | CE->getLocStart(), | |||
3972 | ((CE->getOperator() == OO_MinusMinus) ? -1 : 1)) | |||
3973 | .get(), | |||
3974 | false); | |||
3975 | break; | |||
3976 | case OO_PlusEqual: | |||
3977 | case OO_MinusEqual: | |||
3978 | if (GetInitLCDecl(CE->getArg(0)) == LCDecl) | |||
3979 | return SetStep(CE->getArg(1), CE->getOperator() == OO_MinusEqual); | |||
3980 | break; | |||
3981 | case OO_Equal: | |||
3982 | if (GetInitLCDecl(CE->getArg(0)) == LCDecl) | |||
3983 | return CheckIncRHS(CE->getArg(1)); | |||
3984 | break; | |||
3985 | default: | |||
3986 | break; | |||
3987 | } | |||
3988 | } | |||
3989 | if (Dependent() || SemaRef.CurContext->isDependentContext()) | |||
3990 | return false; | |||
3991 | SemaRef.Diag(S->getLocStart(), diag::err_omp_loop_not_canonical_incr) | |||
3992 | << S->getSourceRange() << LCDecl; | |||
3993 | return true; | |||
3994 | } | |||
3995 | ||||
3996 | static ExprResult | |||
3997 | tryBuildCapture(Sema &SemaRef, Expr *Capture, | |||
3998 | llvm::MapVector<Expr *, DeclRefExpr *> &Captures) { | |||
3999 | if (SemaRef.CurContext->isDependentContext()) | |||
4000 | return ExprResult(Capture); | |||
4001 | if (Capture->isEvaluatable(SemaRef.Context, Expr::SE_AllowSideEffects)) | |||
4002 | return SemaRef.PerformImplicitConversion( | |||
4003 | Capture->IgnoreImpCasts(), Capture->getType(), Sema::AA_Converting, | |||
4004 | /*AllowExplicit=*/true); | |||
4005 | auto I = Captures.find(Capture); | |||
4006 | if (I != Captures.end()) | |||
4007 | return buildCapture(SemaRef, Capture, I->second); | |||
4008 | DeclRefExpr *Ref = nullptr; | |||
4009 | ExprResult Res = buildCapture(SemaRef, Capture, Ref); | |||
4010 | Captures[Capture] = Ref; | |||
4011 | return Res; | |||
4012 | } | |||
4013 | ||||
4014 | /// \brief Build the expression to calculate the number of iterations. | |||
4015 | Expr *OpenMPIterationSpaceChecker::BuildNumIterations( | |||
4016 | Scope *S, const bool LimitedType, | |||
4017 | llvm::MapVector<Expr *, DeclRefExpr *> &Captures) const { | |||
4018 | ExprResult Diff; | |||
4019 | auto VarType = LCDecl->getType().getNonReferenceType(); | |||
4020 | if (VarType->isIntegerType() || VarType->isPointerType() || | |||
4021 | SemaRef.getLangOpts().CPlusPlus) { | |||
4022 | // Upper - Lower | |||
4023 | auto *UBExpr = TestIsLessOp ? UB : LB; | |||
4024 | auto *LBExpr = TestIsLessOp ? LB : UB; | |||
4025 | Expr *Upper = tryBuildCapture(SemaRef, UBExpr, Captures).get(); | |||
4026 | Expr *Lower = tryBuildCapture(SemaRef, LBExpr, Captures).get(); | |||
4027 | if (!Upper || !Lower) | |||
4028 | return nullptr; | |||
4029 | ||||
4030 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Sub, Upper, Lower); | |||
4031 | ||||
4032 | if (!Diff.isUsable() && VarType->getAsCXXRecordDecl()) { | |||
4033 | // BuildBinOp already emitted error, this one is to point user to upper | |||
4034 | // and lower bound, and to tell what is passed to 'operator-'. | |||
4035 | SemaRef.Diag(Upper->getLocStart(), diag::err_omp_loop_diff_cxx) | |||
4036 | << Upper->getSourceRange() << Lower->getSourceRange(); | |||
4037 | return nullptr; | |||
4038 | } | |||
4039 | } | |||
4040 | ||||
4041 | if (!Diff.isUsable()) | |||
4042 | return nullptr; | |||
4043 | ||||
4044 | // Upper - Lower [- 1] | |||
4045 | if (TestIsStrictOp) | |||
4046 | Diff = SemaRef.BuildBinOp( | |||
4047 | S, DefaultLoc, BO_Sub, Diff.get(), | |||
4048 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()); | |||
4049 | if (!Diff.isUsable()) | |||
4050 | return nullptr; | |||
4051 | ||||
4052 | // Upper - Lower [- 1] + Step | |||
4053 | auto NewStep = tryBuildCapture(SemaRef, Step, Captures); | |||
4054 | if (!NewStep.isUsable()) | |||
4055 | return nullptr; | |||
4056 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Add, Diff.get(), NewStep.get()); | |||
4057 | if (!Diff.isUsable()) | |||
4058 | return nullptr; | |||
4059 | ||||
4060 | // Parentheses (for dumping/debugging purposes only). | |||
4061 | Diff = SemaRef.ActOnParenExpr(DefaultLoc, DefaultLoc, Diff.get()); | |||
4062 | if (!Diff.isUsable()) | |||
4063 | return nullptr; | |||
4064 | ||||
4065 | // (Upper - Lower [- 1] + Step) / Step | |||
4066 | Diff = SemaRef.BuildBinOp(S, DefaultLoc, BO_Div, Diff.get(), NewStep.get()); | |||
4067 | if (!Diff.isUsable()) | |||
4068 | return nullptr; | |||
4069 | ||||
4070 | // OpenMP runtime requires 32-bit or 64-bit loop variables. | |||
4071 | QualType Type = Diff.get()->getType(); | |||
4072 | auto &C = SemaRef.Context; | |||
4073 | bool UseVarType = VarType->hasIntegerRepresentation() && | |||
4074 | C.getTypeSize(Type) > C.getTypeSize(VarType); | |||
4075 | if (!Type->isIntegerType() || UseVarType) { | |||
4076 | unsigned NewSize = | |||
4077 | UseVarType ? C.getTypeSize(VarType) : C.getTypeSize(Type); | |||
4078 | bool IsSigned = UseVarType ? VarType->hasSignedIntegerRepresentation() | |||
4079 | : Type->hasSignedIntegerRepresentation(); | |||
4080 | Type = C.getIntTypeForBitwidth(NewSize, IsSigned); | |||
4081 | if (!SemaRef.Context.hasSameType(Diff.get()->getType(), Type)) { | |||
4082 | Diff = SemaRef.PerformImplicitConversion( | |||
4083 | Diff.get(), Type, Sema::AA_Converting, /*AllowExplicit=*/true); | |||
4084 | if (!Diff.isUsable()) | |||
4085 | return nullptr; | |||
4086 | } | |||
4087 | } | |||
4088 | if (LimitedType) { | |||
4089 | unsigned NewSize = (C.getTypeSize(Type) > 32) ? 64 : 32; | |||
4090 | if (NewSize != C.getTypeSize(Type)) { | |||
4091 | if (NewSize < C.getTypeSize(Type)) { | |||
4092 | assert(NewSize == 64 && "incorrect loop var size")(static_cast <bool> (NewSize == 64 && "incorrect loop var size" ) ? void (0) : __assert_fail ("NewSize == 64 && \"incorrect loop var size\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 4092, __extension__ __PRETTY_FUNCTION__)); | |||
4093 | SemaRef.Diag(DefaultLoc, diag::warn_omp_loop_64_bit_var) | |||
4094 | << InitSrcRange << ConditionSrcRange; | |||
4095 | } | |||
4096 | QualType NewType = C.getIntTypeForBitwidth( | |||
4097 | NewSize, Type->hasSignedIntegerRepresentation() || | |||
4098 | C.getTypeSize(Type) < NewSize); | |||
4099 | if (!SemaRef.Context.hasSameType(Diff.get()->getType(), NewType)) { | |||
4100 | Diff = SemaRef.PerformImplicitConversion(Diff.get(), NewType, | |||
4101 | Sema::AA_Converting, true); | |||
4102 | if (!Diff.isUsable()) | |||
4103 | return nullptr; | |||
4104 | } | |||
4105 | } | |||
4106 | } | |||
4107 | ||||
4108 | return Diff.get(); | |||
4109 | } | |||
4110 | ||||
4111 | Expr *OpenMPIterationSpaceChecker::BuildPreCond( | |||
4112 | Scope *S, Expr *Cond, | |||
4113 | llvm::MapVector<Expr *, DeclRefExpr *> &Captures) const { | |||
4114 | // Try to build LB <op> UB, where <op> is <, >, <=, or >=. | |||
4115 | bool Suppress = SemaRef.getDiagnostics().getSuppressAllDiagnostics(); | |||
4116 | SemaRef.getDiagnostics().setSuppressAllDiagnostics(/*Val=*/true); | |||
4117 | ||||
4118 | auto NewLB = tryBuildCapture(SemaRef, LB, Captures); | |||
4119 | auto NewUB = tryBuildCapture(SemaRef, UB, Captures); | |||
4120 | if (!NewLB.isUsable() || !NewUB.isUsable()) | |||
4121 | return nullptr; | |||
4122 | ||||
4123 | auto CondExpr = SemaRef.BuildBinOp( | |||
4124 | S, DefaultLoc, TestIsLessOp ? (TestIsStrictOp ? BO_LT : BO_LE) | |||
4125 | : (TestIsStrictOp ? BO_GT : BO_GE), | |||
4126 | NewLB.get(), NewUB.get()); | |||
4127 | if (CondExpr.isUsable()) { | |||
4128 | if (!SemaRef.Context.hasSameUnqualifiedType(CondExpr.get()->getType(), | |||
4129 | SemaRef.Context.BoolTy)) | |||
4130 | CondExpr = SemaRef.PerformImplicitConversion( | |||
4131 | CondExpr.get(), SemaRef.Context.BoolTy, /*Action=*/Sema::AA_Casting, | |||
4132 | /*AllowExplicit=*/true); | |||
4133 | } | |||
4134 | SemaRef.getDiagnostics().setSuppressAllDiagnostics(Suppress); | |||
4135 | // Otherwise use original loop conditon and evaluate it in runtime. | |||
4136 | return CondExpr.isUsable() ? CondExpr.get() : Cond; | |||
4137 | } | |||
4138 | ||||
4139 | /// \brief Build reference expression to the counter be used for codegen. | |||
4140 | DeclRefExpr *OpenMPIterationSpaceChecker::BuildCounterVar( | |||
4141 | llvm::MapVector<Expr *, DeclRefExpr *> &Captures, DSAStackTy &DSA) const { | |||
4142 | auto *VD = dyn_cast<VarDecl>(LCDecl); | |||
4143 | if (!VD) { | |||
4144 | VD = SemaRef.IsOpenMPCapturedDecl(LCDecl); | |||
4145 | auto *Ref = buildDeclRefExpr( | |||
4146 | SemaRef, VD, VD->getType().getNonReferenceType(), DefaultLoc); | |||
4147 | DSAStackTy::DSAVarData Data = DSA.getTopDSA(LCDecl, /*FromParent=*/false); | |||
4148 | // If the loop control decl is explicitly marked as private, do not mark it | |||
4149 | // as captured again. | |||
4150 | if (!isOpenMPPrivate(Data.CKind) || !Data.RefExpr) | |||
4151 | Captures.insert(std::make_pair(LCRef, Ref)); | |||
4152 | return Ref; | |||
4153 | } | |||
4154 | return buildDeclRefExpr(SemaRef, VD, VD->getType().getNonReferenceType(), | |||
4155 | DefaultLoc); | |||
4156 | } | |||
4157 | ||||
4158 | Expr *OpenMPIterationSpaceChecker::BuildPrivateCounterVar() const { | |||
4159 | if (LCDecl && !LCDecl->isInvalidDecl()) { | |||
4160 | auto Type = LCDecl->getType().getNonReferenceType(); | |||
4161 | auto *PrivateVar = | |||
4162 | buildVarDecl(SemaRef, DefaultLoc, Type, LCDecl->getName(), | |||
4163 | LCDecl->hasAttrs() ? &LCDecl->getAttrs() : nullptr); | |||
4164 | if (PrivateVar->isInvalidDecl()) | |||
4165 | return nullptr; | |||
4166 | return buildDeclRefExpr(SemaRef, PrivateVar, Type, DefaultLoc); | |||
4167 | } | |||
4168 | return nullptr; | |||
4169 | } | |||
4170 | ||||
4171 | /// \brief Build initialization of the counter to be used for codegen. | |||
4172 | Expr *OpenMPIterationSpaceChecker::BuildCounterInit() const { return LB; } | |||
4173 | ||||
4174 | /// \brief Build step of the counter be used for codegen. | |||
4175 | Expr *OpenMPIterationSpaceChecker::BuildCounterStep() const { return Step; } | |||
4176 | ||||
4177 | /// \brief Iteration space of a single for loop. | |||
4178 | struct LoopIterationSpace final { | |||
4179 | /// \brief Condition of the loop. | |||
4180 | Expr *PreCond = nullptr; | |||
4181 | /// \brief This expression calculates the number of iterations in the loop. | |||
4182 | /// It is always possible to calculate it before starting the loop. | |||
4183 | Expr *NumIterations = nullptr; | |||
4184 | /// \brief The loop counter variable. | |||
4185 | Expr *CounterVar = nullptr; | |||
4186 | /// \brief Private loop counter variable. | |||
4187 | Expr *PrivateCounterVar = nullptr; | |||
4188 | /// \brief This is initializer for the initial value of #CounterVar. | |||
4189 | Expr *CounterInit = nullptr; | |||
4190 | /// \brief This is step for the #CounterVar used to generate its update: | |||
4191 | /// #CounterVar = #CounterInit + #CounterStep * CurrentIteration. | |||
4192 | Expr *CounterStep = nullptr; | |||
4193 | /// \brief Should step be subtracted? | |||
4194 | bool Subtract = false; | |||
4195 | /// \brief Source range of the loop init. | |||
4196 | SourceRange InitSrcRange; | |||
4197 | /// \brief Source range of the loop condition. | |||
4198 | SourceRange CondSrcRange; | |||
4199 | /// \brief Source range of the loop increment. | |||
4200 | SourceRange IncSrcRange; | |||
4201 | }; | |||
4202 | ||||
4203 | } // namespace | |||
4204 | ||||
4205 | void Sema::ActOnOpenMPLoopInitialization(SourceLocation ForLoc, Stmt *Init) { | |||
4206 | assert(getLangOpts().OpenMP && "OpenMP is not active.")(static_cast <bool> (getLangOpts().OpenMP && "OpenMP is not active." ) ? void (0) : __assert_fail ("getLangOpts().OpenMP && \"OpenMP is not active.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 4206, __extension__ __PRETTY_FUNCTION__)); | |||
4207 | assert(Init && "Expected loop in canonical form.")(static_cast <bool> (Init && "Expected loop in canonical form." ) ? void (0) : __assert_fail ("Init && \"Expected loop in canonical form.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 4207, __extension__ __PRETTY_FUNCTION__)); | |||
4208 | unsigned AssociatedLoops = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getAssociatedLoops(); | |||
4209 | if (AssociatedLoops > 0 && | |||
4210 | isOpenMPLoopDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) { | |||
4211 | OpenMPIterationSpaceChecker ISC(*this, ForLoc); | |||
4212 | if (!ISC.CheckInit(Init, /*EmitDiags=*/false)) { | |||
4213 | if (auto *D = ISC.GetLoopDecl()) { | |||
4214 | auto *VD = dyn_cast<VarDecl>(D); | |||
4215 | if (!VD) { | |||
4216 | if (auto *Private = IsOpenMPCapturedDecl(D)) | |||
4217 | VD = Private; | |||
4218 | else { | |||
4219 | auto *Ref = buildCapture(*this, D, ISC.GetLoopDeclRefExpr(), | |||
4220 | /*WithInit=*/false); | |||
4221 | VD = cast<VarDecl>(Ref->getDecl()); | |||
4222 | } | |||
4223 | } | |||
4224 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addLoopControlVariable(D, VD); | |||
4225 | } | |||
4226 | } | |||
4227 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setAssociatedLoops(AssociatedLoops - 1); | |||
4228 | } | |||
4229 | } | |||
4230 | ||||
4231 | /// \brief Called on a for stmt to check and extract its iteration space | |||
4232 | /// for further processing (such as collapsing). | |||
4233 | static bool CheckOpenMPIterationSpace( | |||
4234 | OpenMPDirectiveKind DKind, Stmt *S, Sema &SemaRef, DSAStackTy &DSA, | |||
4235 | unsigned CurrentNestedLoopCount, unsigned NestedLoopCount, | |||
4236 | Expr *CollapseLoopCountExpr, Expr *OrderedLoopCountExpr, | |||
4237 | llvm::DenseMap<ValueDecl *, Expr *> &VarsWithImplicitDSA, | |||
4238 | LoopIterationSpace &ResultIterSpace, | |||
4239 | llvm::MapVector<Expr *, DeclRefExpr *> &Captures) { | |||
4240 | // OpenMP [2.6, Canonical Loop Form] | |||
4241 | // for (init-expr; test-expr; incr-expr) structured-block | |||
4242 | auto *For = dyn_cast_or_null<ForStmt>(S); | |||
4243 | if (!For) { | |||
4244 | SemaRef.Diag(S->getLocStart(), diag::err_omp_not_for) | |||
4245 | << (CollapseLoopCountExpr != nullptr || OrderedLoopCountExpr != nullptr) | |||
4246 | << getOpenMPDirectiveName(DKind) << NestedLoopCount | |||
4247 | << (CurrentNestedLoopCount > 0) << CurrentNestedLoopCount; | |||
4248 | if (NestedLoopCount > 1) { | |||
4249 | if (CollapseLoopCountExpr && OrderedLoopCountExpr) | |||
4250 | SemaRef.Diag(DSA.getConstructLoc(), | |||
4251 | diag::note_omp_collapse_ordered_expr) | |||
4252 | << 2 << CollapseLoopCountExpr->getSourceRange() | |||
4253 | << OrderedLoopCountExpr->getSourceRange(); | |||
4254 | else if (CollapseLoopCountExpr) | |||
4255 | SemaRef.Diag(CollapseLoopCountExpr->getExprLoc(), | |||
4256 | diag::note_omp_collapse_ordered_expr) | |||
4257 | << 0 << CollapseLoopCountExpr->getSourceRange(); | |||
4258 | else | |||
4259 | SemaRef.Diag(OrderedLoopCountExpr->getExprLoc(), | |||
4260 | diag::note_omp_collapse_ordered_expr) | |||
4261 | << 1 << OrderedLoopCountExpr->getSourceRange(); | |||
4262 | } | |||
4263 | return true; | |||
4264 | } | |||
4265 | assert(For->getBody())(static_cast <bool> (For->getBody()) ? void (0) : __assert_fail ("For->getBody()", "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 4265, __extension__ __PRETTY_FUNCTION__)); | |||
4266 | ||||
4267 | OpenMPIterationSpaceChecker ISC(SemaRef, For->getForLoc()); | |||
4268 | ||||
4269 | // Check init. | |||
4270 | auto Init = For->getInit(); | |||
4271 | if (ISC.CheckInit(Init)) | |||
4272 | return true; | |||
4273 | ||||
4274 | bool HasErrors = false; | |||
4275 | ||||
4276 | // Check loop variable's type. | |||
4277 | if (auto *LCDecl = ISC.GetLoopDecl()) { | |||
4278 | auto *LoopDeclRefExpr = ISC.GetLoopDeclRefExpr(); | |||
4279 | ||||
4280 | // OpenMP [2.6, Canonical Loop Form] | |||
4281 | // Var is one of the following: | |||
4282 | // A variable of signed or unsigned integer type. | |||
4283 | // For C++, a variable of a random access iterator type. | |||
4284 | // For C, a variable of a pointer type. | |||
4285 | auto VarType = LCDecl->getType().getNonReferenceType(); | |||
4286 | if (!VarType->isDependentType() && !VarType->isIntegerType() && | |||
4287 | !VarType->isPointerType() && | |||
4288 | !(SemaRef.getLangOpts().CPlusPlus && VarType->isOverloadableType())) { | |||
4289 | SemaRef.Diag(Init->getLocStart(), diag::err_omp_loop_variable_type) | |||
4290 | << SemaRef.getLangOpts().CPlusPlus; | |||
4291 | HasErrors = true; | |||
4292 | } | |||
4293 | ||||
4294 | // OpenMP, 2.14.1.1 Data-sharing Attribute Rules for Variables Referenced in | |||
4295 | // a Construct | |||
4296 | // The loop iteration variable(s) in the associated for-loop(s) of a for or | |||
4297 | // parallel for construct is (are) private. | |||
4298 | // The loop iteration variable in the associated for-loop of a simd | |||
4299 | // construct with just one associated for-loop is linear with a | |||
4300 | // constant-linear-step that is the increment of the associated for-loop. | |||
4301 | // Exclude loop var from the list of variables with implicitly defined data | |||
4302 | // sharing attributes. | |||
4303 | VarsWithImplicitDSA.erase(LCDecl); | |||
4304 | ||||
4305 | // OpenMP [2.14.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
4306 | // in a Construct, C/C++]. | |||
4307 | // The loop iteration variable in the associated for-loop of a simd | |||
4308 | // construct with just one associated for-loop may be listed in a linear | |||
4309 | // clause with a constant-linear-step that is the increment of the | |||
4310 | // associated for-loop. | |||
4311 | // The loop iteration variable(s) in the associated for-loop(s) of a for or | |||
4312 | // parallel for construct may be listed in a private or lastprivate clause. | |||
4313 | DSAStackTy::DSAVarData DVar = DSA.getTopDSA(LCDecl, false); | |||
4314 | // If LoopVarRefExpr is nullptr it means the corresponding loop variable is | |||
4315 | // declared in the loop and it is predetermined as a private. | |||
4316 | auto PredeterminedCKind = | |||
4317 | isOpenMPSimdDirective(DKind) | |||
4318 | ? ((NestedLoopCount == 1) ? OMPC_linear : OMPC_lastprivate) | |||
4319 | : OMPC_private; | |||
4320 | if (((isOpenMPSimdDirective(DKind) && DVar.CKind != OMPC_unknown && | |||
4321 | DVar.CKind != PredeterminedCKind) || | |||
4322 | ((isOpenMPWorksharingDirective(DKind) || DKind == OMPD_taskloop || | |||
4323 | isOpenMPDistributeDirective(DKind)) && | |||
4324 | !isOpenMPSimdDirective(DKind) && DVar.CKind != OMPC_unknown && | |||
4325 | DVar.CKind != OMPC_private && DVar.CKind != OMPC_lastprivate)) && | |||
4326 | (DVar.CKind != OMPC_private || DVar.RefExpr != nullptr)) { | |||
4327 | SemaRef.Diag(Init->getLocStart(), diag::err_omp_loop_var_dsa) | |||
4328 | << getOpenMPClauseName(DVar.CKind) << getOpenMPDirectiveName(DKind) | |||
4329 | << getOpenMPClauseName(PredeterminedCKind); | |||
4330 | if (DVar.RefExpr == nullptr) | |||
4331 | DVar.CKind = PredeterminedCKind; | |||
4332 | ReportOriginalDSA(SemaRef, &DSA, LCDecl, DVar, /*IsLoopIterVar=*/true); | |||
4333 | HasErrors = true; | |||
4334 | } else if (LoopDeclRefExpr != nullptr) { | |||
4335 | // Make the loop iteration variable private (for worksharing constructs), | |||
4336 | // linear (for simd directives with the only one associated loop) or | |||
4337 | // lastprivate (for simd directives with several collapsed or ordered | |||
4338 | // loops). | |||
4339 | if (DVar.CKind == OMPC_unknown) | |||
4340 | DVar = DSA.hasDSA(LCDecl, isOpenMPPrivate, | |||
4341 | [](OpenMPDirectiveKind) -> bool { return true; }, | |||
4342 | /*FromParent=*/false); | |||
4343 | DSA.addDSA(LCDecl, LoopDeclRefExpr, PredeterminedCKind); | |||
4344 | } | |||
4345 | ||||
4346 | assert(isOpenMPLoopDirective(DKind) && "DSA for non-loop vars")(static_cast <bool> (isOpenMPLoopDirective(DKind) && "DSA for non-loop vars") ? void (0) : __assert_fail ("isOpenMPLoopDirective(DKind) && \"DSA for non-loop vars\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 4346, __extension__ __PRETTY_FUNCTION__)); | |||
4347 | ||||
4348 | // Check test-expr. | |||
4349 | HasErrors |= ISC.CheckCond(For->getCond()); | |||
4350 | ||||
4351 | // Check incr-expr. | |||
4352 | HasErrors |= ISC.CheckInc(For->getInc()); | |||
4353 | } | |||
4354 | ||||
4355 | if (ISC.Dependent() || SemaRef.CurContext->isDependentContext() || HasErrors) | |||
4356 | return HasErrors; | |||
4357 | ||||
4358 | // Build the loop's iteration space representation. | |||
4359 | ResultIterSpace.PreCond = | |||
4360 | ISC.BuildPreCond(DSA.getCurScope(), For->getCond(), Captures); | |||
4361 | ResultIterSpace.NumIterations = ISC.BuildNumIterations( | |||
4362 | DSA.getCurScope(), | |||
4363 | (isOpenMPWorksharingDirective(DKind) || | |||
4364 | isOpenMPTaskLoopDirective(DKind) || isOpenMPDistributeDirective(DKind)), | |||
4365 | Captures); | |||
4366 | ResultIterSpace.CounterVar = ISC.BuildCounterVar(Captures, DSA); | |||
4367 | ResultIterSpace.PrivateCounterVar = ISC.BuildPrivateCounterVar(); | |||
4368 | ResultIterSpace.CounterInit = ISC.BuildCounterInit(); | |||
4369 | ResultIterSpace.CounterStep = ISC.BuildCounterStep(); | |||
4370 | ResultIterSpace.InitSrcRange = ISC.GetInitSrcRange(); | |||
4371 | ResultIterSpace.CondSrcRange = ISC.GetConditionSrcRange(); | |||
4372 | ResultIterSpace.IncSrcRange = ISC.GetIncrementSrcRange(); | |||
4373 | ResultIterSpace.Subtract = ISC.ShouldSubtractStep(); | |||
4374 | ||||
4375 | HasErrors |= (ResultIterSpace.PreCond == nullptr || | |||
4376 | ResultIterSpace.NumIterations == nullptr || | |||
4377 | ResultIterSpace.CounterVar == nullptr || | |||
4378 | ResultIterSpace.PrivateCounterVar == nullptr || | |||
4379 | ResultIterSpace.CounterInit == nullptr || | |||
4380 | ResultIterSpace.CounterStep == nullptr); | |||
4381 | ||||
4382 | return HasErrors; | |||
4383 | } | |||
4384 | ||||
4385 | /// \brief Build 'VarRef = Start. | |||
4386 | static ExprResult | |||
4387 | BuildCounterInit(Sema &SemaRef, Scope *S, SourceLocation Loc, ExprResult VarRef, | |||
4388 | ExprResult Start, | |||
4389 | llvm::MapVector<Expr *, DeclRefExpr *> &Captures) { | |||
4390 | // Build 'VarRef = Start. | |||
4391 | auto NewStart = tryBuildCapture(SemaRef, Start.get(), Captures); | |||
4392 | if (!NewStart.isUsable()) | |||
4393 | return ExprError(); | |||
4394 | if (!SemaRef.Context.hasSameType(NewStart.get()->getType(), | |||
4395 | VarRef.get()->getType())) { | |||
4396 | NewStart = SemaRef.PerformImplicitConversion( | |||
4397 | NewStart.get(), VarRef.get()->getType(), Sema::AA_Converting, | |||
4398 | /*AllowExplicit=*/true); | |||
4399 | if (!NewStart.isUsable()) | |||
4400 | return ExprError(); | |||
4401 | } | |||
4402 | ||||
4403 | auto Init = | |||
4404 | SemaRef.BuildBinOp(S, Loc, BO_Assign, VarRef.get(), NewStart.get()); | |||
4405 | return Init; | |||
4406 | } | |||
4407 | ||||
4408 | /// \brief Build 'VarRef = Start + Iter * Step'. | |||
4409 | static ExprResult | |||
4410 | BuildCounterUpdate(Sema &SemaRef, Scope *S, SourceLocation Loc, | |||
4411 | ExprResult VarRef, ExprResult Start, ExprResult Iter, | |||
4412 | ExprResult Step, bool Subtract, | |||
4413 | llvm::MapVector<Expr *, DeclRefExpr *> *Captures = nullptr) { | |||
4414 | // Add parentheses (for debugging purposes only). | |||
4415 | Iter = SemaRef.ActOnParenExpr(Loc, Loc, Iter.get()); | |||
4416 | if (!VarRef.isUsable() || !Start.isUsable() || !Iter.isUsable() || | |||
4417 | !Step.isUsable()) | |||
4418 | return ExprError(); | |||
4419 | ||||
4420 | ExprResult NewStep = Step; | |||
4421 | if (Captures) | |||
4422 | NewStep = tryBuildCapture(SemaRef, Step.get(), *Captures); | |||
4423 | if (NewStep.isInvalid()) | |||
4424 | return ExprError(); | |||
4425 | ExprResult Update = | |||
4426 | SemaRef.BuildBinOp(S, Loc, BO_Mul, Iter.get(), NewStep.get()); | |||
4427 | if (!Update.isUsable()) | |||
4428 | return ExprError(); | |||
4429 | ||||
4430 | // Try to build 'VarRef = Start, VarRef (+|-)= Iter * Step' or | |||
4431 | // 'VarRef = Start (+|-) Iter * Step'. | |||
4432 | ExprResult NewStart = Start; | |||
4433 | if (Captures) | |||
4434 | NewStart = tryBuildCapture(SemaRef, Start.get(), *Captures); | |||
4435 | if (NewStart.isInvalid()) | |||
4436 | return ExprError(); | |||
4437 | ||||
4438 | // First attempt: try to build 'VarRef = Start, VarRef += Iter * Step'. | |||
4439 | ExprResult SavedUpdate = Update; | |||
4440 | ExprResult UpdateVal; | |||
4441 | if (VarRef.get()->getType()->isOverloadableType() || | |||
4442 | NewStart.get()->getType()->isOverloadableType() || | |||
4443 | Update.get()->getType()->isOverloadableType()) { | |||
4444 | bool Suppress = SemaRef.getDiagnostics().getSuppressAllDiagnostics(); | |||
4445 | SemaRef.getDiagnostics().setSuppressAllDiagnostics(/*Val=*/true); | |||
4446 | Update = | |||
4447 | SemaRef.BuildBinOp(S, Loc, BO_Assign, VarRef.get(), NewStart.get()); | |||
4448 | if (Update.isUsable()) { | |||
4449 | UpdateVal = | |||
4450 | SemaRef.BuildBinOp(S, Loc, Subtract ? BO_SubAssign : BO_AddAssign, | |||
4451 | VarRef.get(), SavedUpdate.get()); | |||
4452 | if (UpdateVal.isUsable()) { | |||
4453 | Update = SemaRef.CreateBuiltinBinOp(Loc, BO_Comma, Update.get(), | |||
4454 | UpdateVal.get()); | |||
4455 | } | |||
4456 | } | |||
4457 | SemaRef.getDiagnostics().setSuppressAllDiagnostics(Suppress); | |||
4458 | } | |||
4459 | ||||
4460 | // Second attempt: try to build 'VarRef = Start (+|-) Iter * Step'. | |||
4461 | if (!Update.isUsable() || !UpdateVal.isUsable()) { | |||
4462 | Update = SemaRef.BuildBinOp(S, Loc, Subtract ? BO_Sub : BO_Add, | |||
4463 | NewStart.get(), SavedUpdate.get()); | |||
4464 | if (!Update.isUsable()) | |||
4465 | return ExprError(); | |||
4466 | ||||
4467 | if (!SemaRef.Context.hasSameType(Update.get()->getType(), | |||
4468 | VarRef.get()->getType())) { | |||
4469 | Update = SemaRef.PerformImplicitConversion( | |||
4470 | Update.get(), VarRef.get()->getType(), Sema::AA_Converting, true); | |||
4471 | if (!Update.isUsable()) | |||
4472 | return ExprError(); | |||
4473 | } | |||
4474 | ||||
4475 | Update = SemaRef.BuildBinOp(S, Loc, BO_Assign, VarRef.get(), Update.get()); | |||
4476 | } | |||
4477 | return Update; | |||
4478 | } | |||
4479 | ||||
4480 | /// \brief Convert integer expression \a E to make it have at least \a Bits | |||
4481 | /// bits. | |||
4482 | static ExprResult WidenIterationCount(unsigned Bits, Expr *E, Sema &SemaRef) { | |||
4483 | if (E == nullptr) | |||
4484 | return ExprError(); | |||
4485 | auto &C = SemaRef.Context; | |||
4486 | QualType OldType = E->getType(); | |||
4487 | unsigned HasBits = C.getTypeSize(OldType); | |||
4488 | if (HasBits >= Bits) | |||
4489 | return ExprResult(E); | |||
4490 | // OK to convert to signed, because new type has more bits than old. | |||
4491 | QualType NewType = C.getIntTypeForBitwidth(Bits, /* Signed */ true); | |||
4492 | return SemaRef.PerformImplicitConversion(E, NewType, Sema::AA_Converting, | |||
4493 | true); | |||
4494 | } | |||
4495 | ||||
4496 | /// \brief Check if the given expression \a E is a constant integer that fits | |||
4497 | /// into \a Bits bits. | |||
4498 | static bool FitsInto(unsigned Bits, bool Signed, Expr *E, Sema &SemaRef) { | |||
4499 | if (E == nullptr) | |||
4500 | return false; | |||
4501 | llvm::APSInt Result; | |||
4502 | if (E->isIntegerConstantExpr(Result, SemaRef.Context)) | |||
4503 | return Signed ? Result.isSignedIntN(Bits) : Result.isIntN(Bits); | |||
4504 | return false; | |||
4505 | } | |||
4506 | ||||
4507 | /// Build preinits statement for the given declarations. | |||
4508 | static Stmt *buildPreInits(ASTContext &Context, | |||
4509 | MutableArrayRef<Decl *> PreInits) { | |||
4510 | if (!PreInits.empty()) { | |||
4511 | return new (Context) DeclStmt( | |||
4512 | DeclGroupRef::Create(Context, PreInits.begin(), PreInits.size()), | |||
4513 | SourceLocation(), SourceLocation()); | |||
4514 | } | |||
4515 | return nullptr; | |||
4516 | } | |||
4517 | ||||
4518 | /// Build preinits statement for the given declarations. | |||
4519 | static Stmt * | |||
4520 | buildPreInits(ASTContext &Context, | |||
4521 | const llvm::MapVector<Expr *, DeclRefExpr *> &Captures) { | |||
4522 | if (!Captures.empty()) { | |||
4523 | SmallVector<Decl *, 16> PreInits; | |||
4524 | for (auto &Pair : Captures) | |||
4525 | PreInits.push_back(Pair.second->getDecl()); | |||
4526 | return buildPreInits(Context, PreInits); | |||
4527 | } | |||
4528 | return nullptr; | |||
4529 | } | |||
4530 | ||||
4531 | /// Build postupdate expression for the given list of postupdates expressions. | |||
4532 | static Expr *buildPostUpdate(Sema &S, ArrayRef<Expr *> PostUpdates) { | |||
4533 | Expr *PostUpdate = nullptr; | |||
4534 | if (!PostUpdates.empty()) { | |||
4535 | for (auto *E : PostUpdates) { | |||
4536 | Expr *ConvE = S.BuildCStyleCastExpr( | |||
4537 | E->getExprLoc(), | |||
4538 | S.Context.getTrivialTypeSourceInfo(S.Context.VoidTy), | |||
4539 | E->getExprLoc(), E) | |||
4540 | .get(); | |||
4541 | PostUpdate = PostUpdate | |||
4542 | ? S.CreateBuiltinBinOp(ConvE->getExprLoc(), BO_Comma, | |||
4543 | PostUpdate, ConvE) | |||
4544 | .get() | |||
4545 | : ConvE; | |||
4546 | } | |||
4547 | } | |||
4548 | return PostUpdate; | |||
4549 | } | |||
4550 | ||||
4551 | /// \brief Called on a for stmt to check itself and nested loops (if any). | |||
4552 | /// \return Returns 0 if one of the collapsed stmts is not canonical for loop, | |||
4553 | /// number of collapsed loops otherwise. | |||
4554 | static unsigned | |||
4555 | CheckOpenMPLoop(OpenMPDirectiveKind DKind, Expr *CollapseLoopCountExpr, | |||
4556 | Expr *OrderedLoopCountExpr, Stmt *AStmt, Sema &SemaRef, | |||
4557 | DSAStackTy &DSA, | |||
4558 | llvm::DenseMap<ValueDecl *, Expr *> &VarsWithImplicitDSA, | |||
4559 | OMPLoopDirective::HelperExprs &Built) { | |||
4560 | unsigned NestedLoopCount = 1; | |||
4561 | if (CollapseLoopCountExpr) { | |||
4562 | // Found 'collapse' clause - calculate collapse number. | |||
4563 | llvm::APSInt Result; | |||
4564 | if (CollapseLoopCountExpr->EvaluateAsInt(Result, SemaRef.getASTContext())) | |||
4565 | NestedLoopCount = Result.getLimitedValue(); | |||
4566 | } | |||
4567 | if (OrderedLoopCountExpr) { | |||
4568 | // Found 'ordered' clause - calculate collapse number. | |||
4569 | llvm::APSInt Result; | |||
4570 | if (OrderedLoopCountExpr->EvaluateAsInt(Result, SemaRef.getASTContext())) { | |||
4571 | if (Result.getLimitedValue() < NestedLoopCount) { | |||
4572 | SemaRef.Diag(OrderedLoopCountExpr->getExprLoc(), | |||
4573 | diag::err_omp_wrong_ordered_loop_count) | |||
4574 | << OrderedLoopCountExpr->getSourceRange(); | |||
4575 | SemaRef.Diag(CollapseLoopCountExpr->getExprLoc(), | |||
4576 | diag::note_collapse_loop_count) | |||
4577 | << CollapseLoopCountExpr->getSourceRange(); | |||
4578 | } | |||
4579 | NestedLoopCount = Result.getLimitedValue(); | |||
4580 | } | |||
4581 | } | |||
4582 | // This is helper routine for loop directives (e.g., 'for', 'simd', | |||
4583 | // 'for simd', etc.). | |||
4584 | llvm::MapVector<Expr *, DeclRefExpr *> Captures; | |||
4585 | SmallVector<LoopIterationSpace, 4> IterSpaces; | |||
4586 | IterSpaces.resize(NestedLoopCount); | |||
4587 | Stmt *CurStmt = AStmt->IgnoreContainers(/* IgnoreCaptured */ true); | |||
4588 | for (unsigned Cnt = 0; Cnt < NestedLoopCount; ++Cnt) { | |||
4589 | if (CheckOpenMPIterationSpace(DKind, CurStmt, SemaRef, DSA, Cnt, | |||
4590 | NestedLoopCount, CollapseLoopCountExpr, | |||
4591 | OrderedLoopCountExpr, VarsWithImplicitDSA, | |||
4592 | IterSpaces[Cnt], Captures)) | |||
4593 | return 0; | |||
4594 | // Move on to the next nested for loop, or to the loop body. | |||
4595 | // OpenMP [2.8.1, simd construct, Restrictions] | |||
4596 | // All loops associated with the construct must be perfectly nested; that | |||
4597 | // is, there must be no intervening code nor any OpenMP directive between | |||
4598 | // any two loops. | |||
4599 | CurStmt = cast<ForStmt>(CurStmt)->getBody()->IgnoreContainers(); | |||
4600 | } | |||
4601 | ||||
4602 | Built.clear(/* size */ NestedLoopCount); | |||
4603 | ||||
4604 | if (SemaRef.CurContext->isDependentContext()) | |||
4605 | return NestedLoopCount; | |||
4606 | ||||
4607 | // An example of what is generated for the following code: | |||
4608 | // | |||
4609 | // #pragma omp simd collapse(2) ordered(2) | |||
4610 | // for (i = 0; i < NI; ++i) | |||
4611 | // for (k = 0; k < NK; ++k) | |||
4612 | // for (j = J0; j < NJ; j+=2) { | |||
4613 | // <loop body> | |||
4614 | // } | |||
4615 | // | |||
4616 | // We generate the code below. | |||
4617 | // Note: the loop body may be outlined in CodeGen. | |||
4618 | // Note: some counters may be C++ classes, operator- is used to find number of | |||
4619 | // iterations and operator+= to calculate counter value. | |||
4620 | // Note: decltype(NumIterations) must be integer type (in 'omp for', only i32 | |||
4621 | // or i64 is currently supported). | |||
4622 | // | |||
4623 | // #define NumIterations (NI * ((NJ - J0 - 1 + 2) / 2)) | |||
4624 | // for (int[32|64]_t IV = 0; IV < NumIterations; ++IV ) { | |||
4625 | // .local.i = IV / ((NJ - J0 - 1 + 2) / 2); | |||
4626 | // .local.j = J0 + (IV % ((NJ - J0 - 1 + 2) / 2)) * 2; | |||
4627 | // // similar updates for vars in clauses (e.g. 'linear') | |||
4628 | // <loop body (using local i and j)> | |||
4629 | // } | |||
4630 | // i = NI; // assign final values of counters | |||
4631 | // j = NJ; | |||
4632 | // | |||
4633 | ||||
4634 | // Last iteration number is (I1 * I2 * ... In) - 1, where I1, I2 ... In are | |||
4635 | // the iteration counts of the collapsed for loops. | |||
4636 | // Precondition tests if there is at least one iteration (all conditions are | |||
4637 | // true). | |||
4638 | auto PreCond = ExprResult(IterSpaces[0].PreCond); | |||
4639 | auto N0 = IterSpaces[0].NumIterations; | |||
4640 | ExprResult LastIteration32 = WidenIterationCount( | |||
4641 | 32 /* Bits */, SemaRef | |||
4642 | .PerformImplicitConversion( | |||
4643 | N0->IgnoreImpCasts(), N0->getType(), | |||
4644 | Sema::AA_Converting, /*AllowExplicit=*/true) | |||
4645 | .get(), | |||
4646 | SemaRef); | |||
4647 | ExprResult LastIteration64 = WidenIterationCount( | |||
4648 | 64 /* Bits */, SemaRef | |||
4649 | .PerformImplicitConversion( | |||
4650 | N0->IgnoreImpCasts(), N0->getType(), | |||
4651 | Sema::AA_Converting, /*AllowExplicit=*/true) | |||
4652 | .get(), | |||
4653 | SemaRef); | |||
4654 | ||||
4655 | if (!LastIteration32.isUsable() || !LastIteration64.isUsable()) | |||
4656 | return NestedLoopCount; | |||
4657 | ||||
4658 | auto &C = SemaRef.Context; | |||
4659 | bool AllCountsNeedLessThan32Bits = C.getTypeSize(N0->getType()) < 32; | |||
4660 | ||||
4661 | Scope *CurScope = DSA.getCurScope(); | |||
4662 | for (unsigned Cnt = 1; Cnt < NestedLoopCount; ++Cnt) { | |||
4663 | if (PreCond.isUsable()) { | |||
4664 | PreCond = | |||
4665 | SemaRef.BuildBinOp(CurScope, PreCond.get()->getExprLoc(), BO_LAnd, | |||
4666 | PreCond.get(), IterSpaces[Cnt].PreCond); | |||
4667 | } | |||
4668 | auto N = IterSpaces[Cnt].NumIterations; | |||
4669 | SourceLocation Loc = N->getExprLoc(); | |||
4670 | AllCountsNeedLessThan32Bits &= C.getTypeSize(N->getType()) < 32; | |||
4671 | if (LastIteration32.isUsable()) | |||
4672 | LastIteration32 = SemaRef.BuildBinOp( | |||
4673 | CurScope, Loc, BO_Mul, LastIteration32.get(), | |||
4674 | SemaRef | |||
4675 | .PerformImplicitConversion(N->IgnoreImpCasts(), N->getType(), | |||
4676 | Sema::AA_Converting, | |||
4677 | /*AllowExplicit=*/true) | |||
4678 | .get()); | |||
4679 | if (LastIteration64.isUsable()) | |||
4680 | LastIteration64 = SemaRef.BuildBinOp( | |||
4681 | CurScope, Loc, BO_Mul, LastIteration64.get(), | |||
4682 | SemaRef | |||
4683 | .PerformImplicitConversion(N->IgnoreImpCasts(), N->getType(), | |||
4684 | Sema::AA_Converting, | |||
4685 | /*AllowExplicit=*/true) | |||
4686 | .get()); | |||
4687 | } | |||
4688 | ||||
4689 | // Choose either the 32-bit or 64-bit version. | |||
4690 | ExprResult LastIteration = LastIteration64; | |||
4691 | if (LastIteration32.isUsable() && | |||
4692 | C.getTypeSize(LastIteration32.get()->getType()) == 32 && | |||
4693 | (AllCountsNeedLessThan32Bits || NestedLoopCount == 1 || | |||
4694 | FitsInto( | |||
4695 | 32 /* Bits */, | |||
4696 | LastIteration32.get()->getType()->hasSignedIntegerRepresentation(), | |||
4697 | LastIteration64.get(), SemaRef))) | |||
4698 | LastIteration = LastIteration32; | |||
4699 | QualType VType = LastIteration.get()->getType(); | |||
4700 | QualType RealVType = VType; | |||
4701 | QualType StrideVType = VType; | |||
4702 | if (isOpenMPTaskLoopDirective(DKind)) { | |||
4703 | VType = | |||
4704 | SemaRef.Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/0); | |||
4705 | StrideVType = | |||
4706 | SemaRef.Context.getIntTypeForBitwidth(/*DestWidth=*/64, /*Signed=*/1); | |||
4707 | } | |||
4708 | ||||
4709 | if (!LastIteration.isUsable()) | |||
4710 | return 0; | |||
4711 | ||||
4712 | // Save the number of iterations. | |||
4713 | ExprResult NumIterations = LastIteration; | |||
4714 | { | |||
4715 | LastIteration = SemaRef.BuildBinOp( | |||
4716 | CurScope, LastIteration.get()->getExprLoc(), BO_Sub, | |||
4717 | LastIteration.get(), | |||
4718 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()); | |||
4719 | if (!LastIteration.isUsable()) | |||
4720 | return 0; | |||
4721 | } | |||
4722 | ||||
4723 | // Calculate the last iteration number beforehand instead of doing this on | |||
4724 | // each iteration. Do not do this if the number of iterations may be kfold-ed. | |||
4725 | llvm::APSInt Result; | |||
4726 | bool IsConstant = | |||
4727 | LastIteration.get()->isIntegerConstantExpr(Result, SemaRef.Context); | |||
4728 | ExprResult CalcLastIteration; | |||
4729 | if (!IsConstant) { | |||
4730 | ExprResult SaveRef = | |||
4731 | tryBuildCapture(SemaRef, LastIteration.get(), Captures); | |||
4732 | LastIteration = SaveRef; | |||
4733 | ||||
4734 | // Prepare SaveRef + 1. | |||
4735 | NumIterations = SemaRef.BuildBinOp( | |||
4736 | CurScope, SaveRef.get()->getExprLoc(), BO_Add, SaveRef.get(), | |||
4737 | SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get()); | |||
4738 | if (!NumIterations.isUsable()) | |||
4739 | return 0; | |||
4740 | } | |||
4741 | ||||
4742 | SourceLocation InitLoc = IterSpaces[0].InitSrcRange.getBegin(); | |||
4743 | ||||
4744 | // Build variables passed into runtime, necessary for worksharing directives. | |||
4745 | ExprResult LB, UB, IL, ST, EUB, CombLB, CombUB, PrevLB, PrevUB, CombEUB; | |||
4746 | if (isOpenMPWorksharingDirective(DKind) || isOpenMPTaskLoopDirective(DKind) || | |||
4747 | isOpenMPDistributeDirective(DKind)) { | |||
4748 | // Lower bound variable, initialized with zero. | |||
4749 | VarDecl *LBDecl = buildVarDecl(SemaRef, InitLoc, VType, ".omp.lb"); | |||
4750 | LB = buildDeclRefExpr(SemaRef, LBDecl, VType, InitLoc); | |||
4751 | SemaRef.AddInitializerToDecl(LBDecl, | |||
4752 | SemaRef.ActOnIntegerConstant(InitLoc, 0).get(), | |||
4753 | /*DirectInit*/ false); | |||
4754 | ||||
4755 | // Upper bound variable, initialized with last iteration number. | |||
4756 | VarDecl *UBDecl = buildVarDecl(SemaRef, InitLoc, VType, ".omp.ub"); | |||
4757 | UB = buildDeclRefExpr(SemaRef, UBDecl, VType, InitLoc); | |||
4758 | SemaRef.AddInitializerToDecl(UBDecl, LastIteration.get(), | |||
4759 | /*DirectInit*/ false); | |||
4760 | ||||
4761 | // A 32-bit variable-flag where runtime returns 1 for the last iteration. | |||
4762 | // This will be used to implement clause 'lastprivate'. | |||
4763 | QualType Int32Ty = SemaRef.Context.getIntTypeForBitwidth(32, true); | |||
4764 | VarDecl *ILDecl = buildVarDecl(SemaRef, InitLoc, Int32Ty, ".omp.is_last"); | |||
4765 | IL = buildDeclRefExpr(SemaRef, ILDecl, Int32Ty, InitLoc); | |||
4766 | SemaRef.AddInitializerToDecl(ILDecl, | |||
4767 | SemaRef.ActOnIntegerConstant(InitLoc, 0).get(), | |||
4768 | /*DirectInit*/ false); | |||
4769 | ||||
4770 | // Stride variable returned by runtime (we initialize it to 1 by default). | |||
4771 | VarDecl *STDecl = | |||
4772 | buildVarDecl(SemaRef, InitLoc, StrideVType, ".omp.stride"); | |||
4773 | ST = buildDeclRefExpr(SemaRef, STDecl, StrideVType, InitLoc); | |||
4774 | SemaRef.AddInitializerToDecl(STDecl, | |||
4775 | SemaRef.ActOnIntegerConstant(InitLoc, 1).get(), | |||
4776 | /*DirectInit*/ false); | |||
4777 | ||||
4778 | // Build expression: UB = min(UB, LastIteration) | |||
4779 | // It is necessary for CodeGen of directives with static scheduling. | |||
4780 | ExprResult IsUBGreater = SemaRef.BuildBinOp(CurScope, InitLoc, BO_GT, | |||
4781 | UB.get(), LastIteration.get()); | |||
4782 | ExprResult CondOp = SemaRef.ActOnConditionalOp( | |||
4783 | InitLoc, InitLoc, IsUBGreater.get(), LastIteration.get(), UB.get()); | |||
4784 | EUB = SemaRef.BuildBinOp(CurScope, InitLoc, BO_Assign, UB.get(), | |||
4785 | CondOp.get()); | |||
4786 | EUB = SemaRef.ActOnFinishFullExpr(EUB.get()); | |||
4787 | ||||
4788 | // If we have a combined directive that combines 'distribute', 'for' or | |||
4789 | // 'simd' we need to be able to access the bounds of the schedule of the | |||
4790 | // enclosing region. E.g. in 'distribute parallel for' the bounds obtained | |||
4791 | // by scheduling 'distribute' have to be passed to the schedule of 'for'. | |||
4792 | if (isOpenMPLoopBoundSharingDirective(DKind)) { | |||
4793 | ||||
4794 | // Lower bound variable, initialized with zero. | |||
4795 | VarDecl *CombLBDecl = | |||
4796 | buildVarDecl(SemaRef, InitLoc, VType, ".omp.comb.lb"); | |||
4797 | CombLB = buildDeclRefExpr(SemaRef, CombLBDecl, VType, InitLoc); | |||
4798 | SemaRef.AddInitializerToDecl( | |||
4799 | CombLBDecl, SemaRef.ActOnIntegerConstant(InitLoc, 0).get(), | |||
4800 | /*DirectInit*/ false); | |||
4801 | ||||
4802 | // Upper bound variable, initialized with last iteration number. | |||
4803 | VarDecl *CombUBDecl = | |||
4804 | buildVarDecl(SemaRef, InitLoc, VType, ".omp.comb.ub"); | |||
4805 | CombUB = buildDeclRefExpr(SemaRef, CombUBDecl, VType, InitLoc); | |||
4806 | SemaRef.AddInitializerToDecl(CombUBDecl, LastIteration.get(), | |||
4807 | /*DirectInit*/ false); | |||
4808 | ||||
4809 | ExprResult CombIsUBGreater = SemaRef.BuildBinOp( | |||
4810 | CurScope, InitLoc, BO_GT, CombUB.get(), LastIteration.get()); | |||
4811 | ExprResult CombCondOp = | |||
4812 | SemaRef.ActOnConditionalOp(InitLoc, InitLoc, CombIsUBGreater.get(), | |||
4813 | LastIteration.get(), CombUB.get()); | |||
4814 | CombEUB = SemaRef.BuildBinOp(CurScope, InitLoc, BO_Assign, CombUB.get(), | |||
4815 | CombCondOp.get()); | |||
4816 | CombEUB = SemaRef.ActOnFinishFullExpr(CombEUB.get()); | |||
4817 | ||||
4818 | auto *CD = cast<CapturedStmt>(AStmt)->getCapturedDecl(); | |||
4819 | // We expect to have at least 2 more parameters than the 'parallel' | |||
4820 | // directive does - the lower and upper bounds of the previous schedule. | |||
4821 | assert(CD->getNumParams() >= 4 &&(static_cast <bool> (CD->getNumParams() >= 4 && "Unexpected number of parameters in loop combined directive" ) ? void (0) : __assert_fail ("CD->getNumParams() >= 4 && \"Unexpected number of parameters in loop combined directive\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 4822, __extension__ __PRETTY_FUNCTION__)) | |||
4822 | "Unexpected number of parameters in loop combined directive")(static_cast <bool> (CD->getNumParams() >= 4 && "Unexpected number of parameters in loop combined directive" ) ? void (0) : __assert_fail ("CD->getNumParams() >= 4 && \"Unexpected number of parameters in loop combined directive\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 4822, __extension__ __PRETTY_FUNCTION__)); | |||
4823 | ||||
4824 | // Set the proper type for the bounds given what we learned from the | |||
4825 | // enclosed loops. | |||
4826 | auto *PrevLBDecl = CD->getParam(/*PrevLB=*/2); | |||
4827 | auto *PrevUBDecl = CD->getParam(/*PrevUB=*/3); | |||
4828 | ||||
4829 | // Previous lower and upper bounds are obtained from the region | |||
4830 | // parameters. | |||
4831 | PrevLB = | |||
4832 | buildDeclRefExpr(SemaRef, PrevLBDecl, PrevLBDecl->getType(), InitLoc); | |||
4833 | PrevUB = | |||
4834 | buildDeclRefExpr(SemaRef, PrevUBDecl, PrevUBDecl->getType(), InitLoc); | |||
4835 | } | |||
4836 | } | |||
4837 | ||||
4838 | // Build the iteration variable and its initialization before loop. | |||
4839 | ExprResult IV; | |||
4840 | ExprResult Init, CombInit; | |||
4841 | { | |||
4842 | VarDecl *IVDecl = buildVarDecl(SemaRef, InitLoc, RealVType, ".omp.iv"); | |||
4843 | IV = buildDeclRefExpr(SemaRef, IVDecl, RealVType, InitLoc); | |||
4844 | Expr *RHS = | |||
4845 | (isOpenMPWorksharingDirective(DKind) || | |||
4846 | isOpenMPTaskLoopDirective(DKind) || isOpenMPDistributeDirective(DKind)) | |||
4847 | ? LB.get() | |||
4848 | : SemaRef.ActOnIntegerConstant(SourceLocation(), 0).get(); | |||
4849 | Init = SemaRef.BuildBinOp(CurScope, InitLoc, BO_Assign, IV.get(), RHS); | |||
4850 | Init = SemaRef.ActOnFinishFullExpr(Init.get()); | |||
4851 | ||||
4852 | if (isOpenMPLoopBoundSharingDirective(DKind)) { | |||
4853 | Expr *CombRHS = | |||
4854 | (isOpenMPWorksharingDirective(DKind) || | |||
4855 | isOpenMPTaskLoopDirective(DKind) || | |||
4856 | isOpenMPDistributeDirective(DKind)) | |||
4857 | ? CombLB.get() | |||
4858 | : SemaRef.ActOnIntegerConstant(SourceLocation(), 0).get(); | |||
4859 | CombInit = | |||
4860 | SemaRef.BuildBinOp(CurScope, InitLoc, BO_Assign, IV.get(), CombRHS); | |||
4861 | CombInit = SemaRef.ActOnFinishFullExpr(CombInit.get()); | |||
4862 | } | |||
4863 | } | |||
4864 | ||||
4865 | // Loop condition (IV < NumIterations) or (IV <= UB) for worksharing loops. | |||
4866 | SourceLocation CondLoc = AStmt->getLocStart(); | |||
4867 | ExprResult Cond = | |||
4868 | (isOpenMPWorksharingDirective(DKind) || | |||
4869 | isOpenMPTaskLoopDirective(DKind) || isOpenMPDistributeDirective(DKind)) | |||
4870 | ? SemaRef.BuildBinOp(CurScope, CondLoc, BO_LE, IV.get(), UB.get()) | |||
4871 | : SemaRef.BuildBinOp(CurScope, CondLoc, BO_LT, IV.get(), | |||
4872 | NumIterations.get()); | |||
4873 | ExprResult CombCond; | |||
4874 | if (isOpenMPLoopBoundSharingDirective(DKind)) { | |||
4875 | CombCond = | |||
4876 | SemaRef.BuildBinOp(CurScope, CondLoc, BO_LE, IV.get(), CombUB.get()); | |||
4877 | } | |||
4878 | // Loop increment (IV = IV + 1) | |||
4879 | SourceLocation IncLoc = AStmt->getLocStart(); | |||
4880 | ExprResult Inc = | |||
4881 | SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, IV.get(), | |||
4882 | SemaRef.ActOnIntegerConstant(IncLoc, 1).get()); | |||
4883 | if (!Inc.isUsable()) | |||
4884 | return 0; | |||
4885 | Inc = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, IV.get(), Inc.get()); | |||
4886 | Inc = SemaRef.ActOnFinishFullExpr(Inc.get()); | |||
4887 | if (!Inc.isUsable()) | |||
4888 | return 0; | |||
4889 | ||||
4890 | // Increments for worksharing loops (LB = LB + ST; UB = UB + ST). | |||
4891 | // Used for directives with static scheduling. | |||
4892 | // In combined construct, add combined version that use CombLB and CombUB | |||
4893 | // base variables for the update | |||
4894 | ExprResult NextLB, NextUB, CombNextLB, CombNextUB; | |||
4895 | if (isOpenMPWorksharingDirective(DKind) || isOpenMPTaskLoopDirective(DKind) || | |||
4896 | isOpenMPDistributeDirective(DKind)) { | |||
4897 | // LB + ST | |||
4898 | NextLB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, LB.get(), ST.get()); | |||
4899 | if (!NextLB.isUsable()) | |||
4900 | return 0; | |||
4901 | // LB = LB + ST | |||
4902 | NextLB = | |||
4903 | SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, LB.get(), NextLB.get()); | |||
4904 | NextLB = SemaRef.ActOnFinishFullExpr(NextLB.get()); | |||
4905 | if (!NextLB.isUsable()) | |||
4906 | return 0; | |||
4907 | // UB + ST | |||
4908 | NextUB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, UB.get(), ST.get()); | |||
4909 | if (!NextUB.isUsable()) | |||
4910 | return 0; | |||
4911 | // UB = UB + ST | |||
4912 | NextUB = | |||
4913 | SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, UB.get(), NextUB.get()); | |||
4914 | NextUB = SemaRef.ActOnFinishFullExpr(NextUB.get()); | |||
4915 | if (!NextUB.isUsable()) | |||
4916 | return 0; | |||
4917 | if (isOpenMPLoopBoundSharingDirective(DKind)) { | |||
4918 | CombNextLB = | |||
4919 | SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, CombLB.get(), ST.get()); | |||
4920 | if (!NextLB.isUsable()) | |||
4921 | return 0; | |||
4922 | // LB = LB + ST | |||
4923 | CombNextLB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, CombLB.get(), | |||
4924 | CombNextLB.get()); | |||
4925 | CombNextLB = SemaRef.ActOnFinishFullExpr(CombNextLB.get()); | |||
4926 | if (!CombNextLB.isUsable()) | |||
4927 | return 0; | |||
4928 | // UB + ST | |||
4929 | CombNextUB = | |||
4930 | SemaRef.BuildBinOp(CurScope, IncLoc, BO_Add, CombUB.get(), ST.get()); | |||
4931 | if (!CombNextUB.isUsable()) | |||
4932 | return 0; | |||
4933 | // UB = UB + ST | |||
4934 | CombNextUB = SemaRef.BuildBinOp(CurScope, IncLoc, BO_Assign, CombUB.get(), | |||
4935 | CombNextUB.get()); | |||
4936 | CombNextUB = SemaRef.ActOnFinishFullExpr(CombNextUB.get()); | |||
4937 | if (!CombNextUB.isUsable()) | |||
4938 | return 0; | |||
4939 | } | |||
4940 | } | |||
4941 | ||||
4942 | // Create increment expression for distribute loop when combined in a same | |||
4943 | // directive with for as IV = IV + ST; ensure upper bound expression based | |||
4944 | // on PrevUB instead of NumIterations - used to implement 'for' when found | |||
4945 | // in combination with 'distribute', like in 'distribute parallel for' | |||
4946 | SourceLocation DistIncLoc = AStmt->getLocStart(); | |||
4947 | ExprResult DistCond, DistInc, PrevEUB; | |||
4948 | if (isOpenMPLoopBoundSharingDirective(DKind)) { | |||
4949 | DistCond = SemaRef.BuildBinOp(CurScope, CondLoc, BO_LE, IV.get(), UB.get()); | |||
4950 | assert(DistCond.isUsable() && "distribute cond expr was not built")(static_cast <bool> (DistCond.isUsable() && "distribute cond expr was not built" ) ? void (0) : __assert_fail ("DistCond.isUsable() && \"distribute cond expr was not built\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 4950, __extension__ __PRETTY_FUNCTION__)); | |||
4951 | ||||
4952 | DistInc = | |||
4953 | SemaRef.BuildBinOp(CurScope, DistIncLoc, BO_Add, IV.get(), ST.get()); | |||
4954 | assert(DistInc.isUsable() && "distribute inc expr was not built")(static_cast <bool> (DistInc.isUsable() && "distribute inc expr was not built" ) ? void (0) : __assert_fail ("DistInc.isUsable() && \"distribute inc expr was not built\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 4954, __extension__ __PRETTY_FUNCTION__)); | |||
4955 | DistInc = SemaRef.BuildBinOp(CurScope, DistIncLoc, BO_Assign, IV.get(), | |||
4956 | DistInc.get()); | |||
4957 | DistInc = SemaRef.ActOnFinishFullExpr(DistInc.get()); | |||
4958 | assert(DistInc.isUsable() && "distribute inc expr was not built")(static_cast <bool> (DistInc.isUsable() && "distribute inc expr was not built" ) ? void (0) : __assert_fail ("DistInc.isUsable() && \"distribute inc expr was not built\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 4958, __extension__ __PRETTY_FUNCTION__)); | |||
4959 | ||||
4960 | // Build expression: UB = min(UB, prevUB) for #for in composite or combined | |||
4961 | // construct | |||
4962 | SourceLocation DistEUBLoc = AStmt->getLocStart(); | |||
4963 | ExprResult IsUBGreater = | |||
4964 | SemaRef.BuildBinOp(CurScope, DistEUBLoc, BO_GT, UB.get(), PrevUB.get()); | |||
4965 | ExprResult CondOp = SemaRef.ActOnConditionalOp( | |||
4966 | DistEUBLoc, DistEUBLoc, IsUBGreater.get(), PrevUB.get(), UB.get()); | |||
4967 | PrevEUB = SemaRef.BuildBinOp(CurScope, DistIncLoc, BO_Assign, UB.get(), | |||
4968 | CondOp.get()); | |||
4969 | PrevEUB = SemaRef.ActOnFinishFullExpr(PrevEUB.get()); | |||
4970 | } | |||
4971 | ||||
4972 | // Build updates and final values of the loop counters. | |||
4973 | bool HasErrors = false; | |||
4974 | Built.Counters.resize(NestedLoopCount); | |||
4975 | Built.Inits.resize(NestedLoopCount); | |||
4976 | Built.Updates.resize(NestedLoopCount); | |||
4977 | Built.Finals.resize(NestedLoopCount); | |||
4978 | SmallVector<Expr *, 4> LoopMultipliers; | |||
4979 | { | |||
4980 | ExprResult Div; | |||
4981 | // Go from inner nested loop to outer. | |||
4982 | for (int Cnt = NestedLoopCount - 1; Cnt >= 0; --Cnt) { | |||
4983 | LoopIterationSpace &IS = IterSpaces[Cnt]; | |||
4984 | SourceLocation UpdLoc = IS.IncSrcRange.getBegin(); | |||
4985 | // Build: Iter = (IV / Div) % IS.NumIters | |||
4986 | // where Div is product of previous iterations' IS.NumIters. | |||
4987 | ExprResult Iter; | |||
4988 | if (Div.isUsable()) { | |||
4989 | Iter = | |||
4990 | SemaRef.BuildBinOp(CurScope, UpdLoc, BO_Div, IV.get(), Div.get()); | |||
4991 | } else { | |||
4992 | Iter = IV; | |||
4993 | assert((Cnt == (int)NestedLoopCount - 1) &&(static_cast <bool> ((Cnt == (int)NestedLoopCount - 1) && "unusable div expected on first iteration only") ? void (0) : __assert_fail ("(Cnt == (int)NestedLoopCount - 1) && \"unusable div expected on first iteration only\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 4994, __extension__ __PRETTY_FUNCTION__)) | |||
4994 | "unusable div expected on first iteration only")(static_cast <bool> ((Cnt == (int)NestedLoopCount - 1) && "unusable div expected on first iteration only") ? void (0) : __assert_fail ("(Cnt == (int)NestedLoopCount - 1) && \"unusable div expected on first iteration only\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 4994, __extension__ __PRETTY_FUNCTION__)); | |||
4995 | } | |||
4996 | ||||
4997 | if (Cnt != 0 && Iter.isUsable()) | |||
4998 | Iter = SemaRef.BuildBinOp(CurScope, UpdLoc, BO_Rem, Iter.get(), | |||
4999 | IS.NumIterations); | |||
5000 | if (!Iter.isUsable()) { | |||
5001 | HasErrors = true; | |||
5002 | break; | |||
5003 | } | |||
5004 | ||||
5005 | // Build update: IS.CounterVar(Private) = IS.Start + Iter * IS.Step | |||
5006 | auto *VD = cast<VarDecl>(cast<DeclRefExpr>(IS.CounterVar)->getDecl()); | |||
5007 | auto *CounterVar = buildDeclRefExpr(SemaRef, VD, IS.CounterVar->getType(), | |||
5008 | IS.CounterVar->getExprLoc(), | |||
5009 | /*RefersToCapture=*/true); | |||
5010 | ExprResult Init = BuildCounterInit(SemaRef, CurScope, UpdLoc, CounterVar, | |||
5011 | IS.CounterInit, Captures); | |||
5012 | if (!Init.isUsable()) { | |||
5013 | HasErrors = true; | |||
5014 | break; | |||
5015 | } | |||
5016 | ExprResult Update = BuildCounterUpdate( | |||
5017 | SemaRef, CurScope, UpdLoc, CounterVar, IS.CounterInit, Iter, | |||
5018 | IS.CounterStep, IS.Subtract, &Captures); | |||
5019 | if (!Update.isUsable()) { | |||
5020 | HasErrors = true; | |||
5021 | break; | |||
5022 | } | |||
5023 | ||||
5024 | // Build final: IS.CounterVar = IS.Start + IS.NumIters * IS.Step | |||
5025 | ExprResult Final = BuildCounterUpdate( | |||
5026 | SemaRef, CurScope, UpdLoc, CounterVar, IS.CounterInit, | |||
5027 | IS.NumIterations, IS.CounterStep, IS.Subtract, &Captures); | |||
5028 | if (!Final.isUsable()) { | |||
5029 | HasErrors = true; | |||
5030 | break; | |||
5031 | } | |||
5032 | ||||
5033 | // Build Div for the next iteration: Div <- Div * IS.NumIters | |||
5034 | if (Cnt != 0) { | |||
5035 | if (Div.isUnset()) | |||
5036 | Div = IS.NumIterations; | |||
5037 | else | |||
5038 | Div = SemaRef.BuildBinOp(CurScope, UpdLoc, BO_Mul, Div.get(), | |||
5039 | IS.NumIterations); | |||
5040 | ||||
5041 | // Add parentheses (for debugging purposes only). | |||
5042 | if (Div.isUsable()) | |||
5043 | Div = tryBuildCapture(SemaRef, Div.get(), Captures); | |||
5044 | if (!Div.isUsable()) { | |||
5045 | HasErrors = true; | |||
5046 | break; | |||
5047 | } | |||
5048 | LoopMultipliers.push_back(Div.get()); | |||
5049 | } | |||
5050 | if (!Update.isUsable() || !Final.isUsable()) { | |||
5051 | HasErrors = true; | |||
5052 | break; | |||
5053 | } | |||
5054 | // Save results | |||
5055 | Built.Counters[Cnt] = IS.CounterVar; | |||
5056 | Built.PrivateCounters[Cnt] = IS.PrivateCounterVar; | |||
5057 | Built.Inits[Cnt] = Init.get(); | |||
5058 | Built.Updates[Cnt] = Update.get(); | |||
5059 | Built.Finals[Cnt] = Final.get(); | |||
5060 | } | |||
5061 | } | |||
5062 | ||||
5063 | if (HasErrors) | |||
5064 | return 0; | |||
5065 | ||||
5066 | // Save results | |||
5067 | Built.IterationVarRef = IV.get(); | |||
5068 | Built.LastIteration = LastIteration.get(); | |||
5069 | Built.NumIterations = NumIterations.get(); | |||
5070 | Built.CalcLastIteration = | |||
5071 | SemaRef.ActOnFinishFullExpr(CalcLastIteration.get()).get(); | |||
5072 | Built.PreCond = PreCond.get(); | |||
5073 | Built.PreInits = buildPreInits(C, Captures); | |||
5074 | Built.Cond = Cond.get(); | |||
5075 | Built.Init = Init.get(); | |||
5076 | Built.Inc = Inc.get(); | |||
5077 | Built.LB = LB.get(); | |||
5078 | Built.UB = UB.get(); | |||
5079 | Built.IL = IL.get(); | |||
5080 | Built.ST = ST.get(); | |||
5081 | Built.EUB = EUB.get(); | |||
5082 | Built.NLB = NextLB.get(); | |||
5083 | Built.NUB = NextUB.get(); | |||
5084 | Built.PrevLB = PrevLB.get(); | |||
5085 | Built.PrevUB = PrevUB.get(); | |||
5086 | Built.DistInc = DistInc.get(); | |||
5087 | Built.PrevEUB = PrevEUB.get(); | |||
5088 | Built.DistCombinedFields.LB = CombLB.get(); | |||
5089 | Built.DistCombinedFields.UB = CombUB.get(); | |||
5090 | Built.DistCombinedFields.EUB = CombEUB.get(); | |||
5091 | Built.DistCombinedFields.Init = CombInit.get(); | |||
5092 | Built.DistCombinedFields.Cond = CombCond.get(); | |||
5093 | Built.DistCombinedFields.NLB = CombNextLB.get(); | |||
5094 | Built.DistCombinedFields.NUB = CombNextUB.get(); | |||
5095 | ||||
5096 | Expr *CounterVal = SemaRef.DefaultLvalueConversion(IV.get()).get(); | |||
5097 | // Fill data for doacross depend clauses. | |||
5098 | for (auto Pair : DSA.getDoacrossDependClauses()) { | |||
5099 | if (Pair.first->getDependencyKind() == OMPC_DEPEND_source) | |||
5100 | Pair.first->setCounterValue(CounterVal); | |||
5101 | else { | |||
5102 | if (NestedLoopCount != Pair.second.size() || | |||
5103 | NestedLoopCount != LoopMultipliers.size() + 1) { | |||
5104 | // Erroneous case - clause has some problems. | |||
5105 | Pair.first->setCounterValue(CounterVal); | |||
5106 | continue; | |||
5107 | } | |||
5108 | assert(Pair.first->getDependencyKind() == OMPC_DEPEND_sink)(static_cast <bool> (Pair.first->getDependencyKind() == OMPC_DEPEND_sink) ? void (0) : __assert_fail ("Pair.first->getDependencyKind() == OMPC_DEPEND_sink" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 5108, __extension__ __PRETTY_FUNCTION__)); | |||
5109 | auto I = Pair.second.rbegin(); | |||
5110 | auto IS = IterSpaces.rbegin(); | |||
5111 | auto ILM = LoopMultipliers.rbegin(); | |||
5112 | Expr *UpCounterVal = CounterVal; | |||
5113 | Expr *Multiplier = nullptr; | |||
5114 | for (int Cnt = NestedLoopCount - 1; Cnt >= 0; --Cnt) { | |||
5115 | if (I->first) { | |||
5116 | assert(IS->CounterStep)(static_cast <bool> (IS->CounterStep) ? void (0) : __assert_fail ("IS->CounterStep", "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 5116, __extension__ __PRETTY_FUNCTION__)); | |||
5117 | Expr *NormalizedOffset = | |||
5118 | SemaRef | |||
5119 | .BuildBinOp(CurScope, I->first->getExprLoc(), BO_Div, | |||
5120 | I->first, IS->CounterStep) | |||
5121 | .get(); | |||
5122 | if (Multiplier) { | |||
5123 | NormalizedOffset = | |||
5124 | SemaRef | |||
5125 | .BuildBinOp(CurScope, I->first->getExprLoc(), BO_Mul, | |||
5126 | NormalizedOffset, Multiplier) | |||
5127 | .get(); | |||
5128 | } | |||
5129 | assert(I->second == OO_Plus || I->second == OO_Minus)(static_cast <bool> (I->second == OO_Plus || I->second == OO_Minus) ? void (0) : __assert_fail ("I->second == OO_Plus || I->second == OO_Minus" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 5129, __extension__ __PRETTY_FUNCTION__)); | |||
5130 | BinaryOperatorKind BOK = (I->second == OO_Plus) ? BO_Add : BO_Sub; | |||
5131 | UpCounterVal = SemaRef | |||
5132 | .BuildBinOp(CurScope, I->first->getExprLoc(), BOK, | |||
5133 | UpCounterVal, NormalizedOffset) | |||
5134 | .get(); | |||
5135 | } | |||
5136 | Multiplier = *ILM; | |||
5137 | ++I; | |||
5138 | ++IS; | |||
5139 | ++ILM; | |||
5140 | } | |||
5141 | Pair.first->setCounterValue(UpCounterVal); | |||
5142 | } | |||
5143 | } | |||
5144 | ||||
5145 | return NestedLoopCount; | |||
5146 | } | |||
5147 | ||||
5148 | static Expr *getCollapseNumberExpr(ArrayRef<OMPClause *> Clauses) { | |||
5149 | auto CollapseClauses = | |||
5150 | OMPExecutableDirective::getClausesOfKind<OMPCollapseClause>(Clauses); | |||
5151 | if (CollapseClauses.begin() != CollapseClauses.end()) | |||
5152 | return (*CollapseClauses.begin())->getNumForLoops(); | |||
5153 | return nullptr; | |||
5154 | } | |||
5155 | ||||
5156 | static Expr *getOrderedNumberExpr(ArrayRef<OMPClause *> Clauses) { | |||
5157 | auto OrderedClauses = | |||
5158 | OMPExecutableDirective::getClausesOfKind<OMPOrderedClause>(Clauses); | |||
5159 | if (OrderedClauses.begin() != OrderedClauses.end()) | |||
5160 | return (*OrderedClauses.begin())->getNumForLoops(); | |||
5161 | return nullptr; | |||
5162 | } | |||
5163 | ||||
5164 | static bool checkSimdlenSafelenSpecified(Sema &S, | |||
5165 | const ArrayRef<OMPClause *> Clauses) { | |||
5166 | OMPSafelenClause *Safelen = nullptr; | |||
5167 | OMPSimdlenClause *Simdlen = nullptr; | |||
5168 | ||||
5169 | for (auto *Clause : Clauses) { | |||
5170 | if (Clause->getClauseKind() == OMPC_safelen) | |||
5171 | Safelen = cast<OMPSafelenClause>(Clause); | |||
5172 | else if (Clause->getClauseKind() == OMPC_simdlen) | |||
5173 | Simdlen = cast<OMPSimdlenClause>(Clause); | |||
5174 | if (Safelen && Simdlen) | |||
5175 | break; | |||
5176 | } | |||
5177 | ||||
5178 | if (Simdlen && Safelen) { | |||
5179 | llvm::APSInt SimdlenRes, SafelenRes; | |||
5180 | auto SimdlenLength = Simdlen->getSimdlen(); | |||
5181 | auto SafelenLength = Safelen->getSafelen(); | |||
5182 | if (SimdlenLength->isValueDependent() || SimdlenLength->isTypeDependent() || | |||
5183 | SimdlenLength->isInstantiationDependent() || | |||
5184 | SimdlenLength->containsUnexpandedParameterPack()) | |||
5185 | return false; | |||
5186 | if (SafelenLength->isValueDependent() || SafelenLength->isTypeDependent() || | |||
5187 | SafelenLength->isInstantiationDependent() || | |||
5188 | SafelenLength->containsUnexpandedParameterPack()) | |||
5189 | return false; | |||
5190 | SimdlenLength->EvaluateAsInt(SimdlenRes, S.Context); | |||
5191 | SafelenLength->EvaluateAsInt(SafelenRes, S.Context); | |||
5192 | // OpenMP 4.5 [2.8.1, simd Construct, Restrictions] | |||
5193 | // If both simdlen and safelen clauses are specified, the value of the | |||
5194 | // simdlen parameter must be less than or equal to the value of the safelen | |||
5195 | // parameter. | |||
5196 | if (SimdlenRes > SafelenRes) { | |||
5197 | S.Diag(SimdlenLength->getExprLoc(), | |||
5198 | diag::err_omp_wrong_simdlen_safelen_values) | |||
5199 | << SimdlenLength->getSourceRange() << SafelenLength->getSourceRange(); | |||
5200 | return true; | |||
5201 | } | |||
5202 | } | |||
5203 | return false; | |||
5204 | } | |||
5205 | ||||
5206 | StmtResult Sema::ActOnOpenMPSimdDirective( | |||
5207 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
5208 | SourceLocation EndLoc, | |||
5209 | llvm::DenseMap<ValueDecl *, Expr *> &VarsWithImplicitDSA) { | |||
5210 | if (!AStmt) | |||
5211 | return StmtError(); | |||
5212 | ||||
5213 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast <bool> (isa<CapturedStmt>(AStmt) && "Captured statement expected") ? void (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 5213, __extension__ __PRETTY_FUNCTION__)); | |||
5214 | OMPLoopDirective::HelperExprs B; | |||
5215 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | |||
5216 | // define the nested loops number. | |||
5217 | unsigned NestedLoopCount = CheckOpenMPLoop( | |||
5218 | OMPD_simd, getCollapseNumberExpr(Clauses), getOrderedNumberExpr(Clauses), | |||
5219 | AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); | |||
5220 | if (NestedLoopCount == 0) | |||
5221 | return StmtError(); | |||
5222 | ||||
5223 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp simd loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 5224, __extension__ __PRETTY_FUNCTION__)) | |||
5224 | "omp simd loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp simd loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 5224, __extension__ __PRETTY_FUNCTION__)); | |||
5225 | ||||
5226 | if (!CurContext->isDependentContext()) { | |||
5227 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
5228 | for (auto C : Clauses) { | |||
5229 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
5230 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
5231 | B.NumIterations, *this, CurScope, | |||
5232 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
5233 | return StmtError(); | |||
5234 | } | |||
5235 | } | |||
5236 | ||||
5237 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | |||
5238 | return StmtError(); | |||
5239 | ||||
5240 | getCurFunction()->setHasBranchProtectedScope(); | |||
5241 | return OMPSimdDirective::Create(Context, StartLoc, EndLoc, NestedLoopCount, | |||
5242 | Clauses, AStmt, B); | |||
5243 | } | |||
5244 | ||||
5245 | StmtResult Sema::ActOnOpenMPForDirective( | |||
5246 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
5247 | SourceLocation EndLoc, | |||
5248 | llvm::DenseMap<ValueDecl *, Expr *> &VarsWithImplicitDSA) { | |||
5249 | if (!AStmt) | |||
5250 | return StmtError(); | |||
5251 | ||||
5252 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast <bool> (isa<CapturedStmt>(AStmt) && "Captured statement expected") ? void (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 5252, __extension__ __PRETTY_FUNCTION__)); | |||
5253 | OMPLoopDirective::HelperExprs B; | |||
5254 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | |||
5255 | // define the nested loops number. | |||
5256 | unsigned NestedLoopCount = CheckOpenMPLoop( | |||
5257 | OMPD_for, getCollapseNumberExpr(Clauses), getOrderedNumberExpr(Clauses), | |||
5258 | AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); | |||
5259 | if (NestedLoopCount == 0) | |||
5260 | return StmtError(); | |||
5261 | ||||
5262 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 5263, __extension__ __PRETTY_FUNCTION__)) | |||
5263 | "omp for loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 5263, __extension__ __PRETTY_FUNCTION__)); | |||
5264 | ||||
5265 | if (!CurContext->isDependentContext()) { | |||
5266 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
5267 | for (auto C : Clauses) { | |||
5268 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
5269 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
5270 | B.NumIterations, *this, CurScope, | |||
5271 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
5272 | return StmtError(); | |||
5273 | } | |||
5274 | } | |||
5275 | ||||
5276 | getCurFunction()->setHasBranchProtectedScope(); | |||
5277 | return OMPForDirective::Create(Context, StartLoc, EndLoc, NestedLoopCount, | |||
5278 | Clauses, AStmt, B, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | |||
5279 | } | |||
5280 | ||||
5281 | StmtResult Sema::ActOnOpenMPForSimdDirective( | |||
5282 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
5283 | SourceLocation EndLoc, | |||
5284 | llvm::DenseMap<ValueDecl *, Expr *> &VarsWithImplicitDSA) { | |||
5285 | if (!AStmt) | |||
5286 | return StmtError(); | |||
5287 | ||||
5288 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast <bool> (isa<CapturedStmt>(AStmt) && "Captured statement expected") ? void (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 5288, __extension__ __PRETTY_FUNCTION__)); | |||
5289 | OMPLoopDirective::HelperExprs B; | |||
5290 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | |||
5291 | // define the nested loops number. | |||
5292 | unsigned NestedLoopCount = | |||
5293 | CheckOpenMPLoop(OMPD_for_simd, getCollapseNumberExpr(Clauses), | |||
5294 | getOrderedNumberExpr(Clauses), AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
5295 | VarsWithImplicitDSA, B); | |||
5296 | if (NestedLoopCount == 0) | |||
5297 | return StmtError(); | |||
5298 | ||||
5299 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for simd loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 5300, __extension__ __PRETTY_FUNCTION__)) | |||
5300 | "omp for simd loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for simd loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 5300, __extension__ __PRETTY_FUNCTION__)); | |||
5301 | ||||
5302 | if (!CurContext->isDependentContext()) { | |||
5303 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
5304 | for (auto C : Clauses) { | |||
5305 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
5306 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
5307 | B.NumIterations, *this, CurScope, | |||
5308 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
5309 | return StmtError(); | |||
5310 | } | |||
5311 | } | |||
5312 | ||||
5313 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | |||
5314 | return StmtError(); | |||
5315 | ||||
5316 | getCurFunction()->setHasBranchProtectedScope(); | |||
5317 | return OMPForSimdDirective::Create(Context, StartLoc, EndLoc, NestedLoopCount, | |||
5318 | Clauses, AStmt, B); | |||
5319 | } | |||
5320 | ||||
5321 | StmtResult Sema::ActOnOpenMPSectionsDirective(ArrayRef<OMPClause *> Clauses, | |||
5322 | Stmt *AStmt, | |||
5323 | SourceLocation StartLoc, | |||
5324 | SourceLocation EndLoc) { | |||
5325 | if (!AStmt) | |||
5326 | return StmtError(); | |||
5327 | ||||
5328 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast <bool> (isa<CapturedStmt>(AStmt) && "Captured statement expected") ? void (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 5328, __extension__ __PRETTY_FUNCTION__)); | |||
5329 | auto BaseStmt = AStmt; | |||
5330 | while (auto *CS = dyn_cast_or_null<CapturedStmt>(BaseStmt)) | |||
5331 | BaseStmt = CS->getCapturedStmt(); | |||
5332 | if (auto *C = dyn_cast_or_null<CompoundStmt>(BaseStmt)) { | |||
5333 | auto S = C->children(); | |||
5334 | if (S.begin() == S.end()) | |||
5335 | return StmtError(); | |||
5336 | // All associated statements must be '#pragma omp section' except for | |||
5337 | // the first one. | |||
5338 | for (Stmt *SectionStmt : llvm::make_range(std::next(S.begin()), S.end())) { | |||
5339 | if (!SectionStmt || !isa<OMPSectionDirective>(SectionStmt)) { | |||
5340 | if (SectionStmt) | |||
5341 | Diag(SectionStmt->getLocStart(), | |||
5342 | diag::err_omp_sections_substmt_not_section); | |||
5343 | return StmtError(); | |||
5344 | } | |||
5345 | cast<OMPSectionDirective>(SectionStmt) | |||
5346 | ->setHasCancel(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | |||
5347 | } | |||
5348 | } else { | |||
5349 | Diag(AStmt->getLocStart(), diag::err_omp_sections_not_compound_stmt); | |||
5350 | return StmtError(); | |||
5351 | } | |||
5352 | ||||
5353 | getCurFunction()->setHasBranchProtectedScope(); | |||
5354 | ||||
5355 | return OMPSectionsDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, | |||
5356 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | |||
5357 | } | |||
5358 | ||||
5359 | StmtResult Sema::ActOnOpenMPSectionDirective(Stmt *AStmt, | |||
5360 | SourceLocation StartLoc, | |||
5361 | SourceLocation EndLoc) { | |||
5362 | if (!AStmt) | |||
5363 | return StmtError(); | |||
5364 | ||||
5365 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast <bool> (isa<CapturedStmt>(AStmt) && "Captured statement expected") ? void (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 5365, __extension__ __PRETTY_FUNCTION__)); | |||
5366 | ||||
5367 | getCurFunction()->setHasBranchProtectedScope(); | |||
5368 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentCancelRegion(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | |||
5369 | ||||
5370 | return OMPSectionDirective::Create(Context, StartLoc, EndLoc, AStmt, | |||
5371 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | |||
5372 | } | |||
5373 | ||||
5374 | StmtResult Sema::ActOnOpenMPSingleDirective(ArrayRef<OMPClause *> Clauses, | |||
5375 | Stmt *AStmt, | |||
5376 | SourceLocation StartLoc, | |||
5377 | SourceLocation EndLoc) { | |||
5378 | if (!AStmt) | |||
5379 | return StmtError(); | |||
5380 | ||||
5381 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast <bool> (isa<CapturedStmt>(AStmt) && "Captured statement expected") ? void (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 5381, __extension__ __PRETTY_FUNCTION__)); | |||
5382 | ||||
5383 | getCurFunction()->setHasBranchProtectedScope(); | |||
5384 | ||||
5385 | // OpenMP [2.7.3, single Construct, Restrictions] | |||
5386 | // The copyprivate clause must not be used with the nowait clause. | |||
5387 | OMPClause *Nowait = nullptr; | |||
5388 | OMPClause *Copyprivate = nullptr; | |||
5389 | for (auto *Clause : Clauses) { | |||
5390 | if (Clause->getClauseKind() == OMPC_nowait) | |||
5391 | Nowait = Clause; | |||
5392 | else if (Clause->getClauseKind() == OMPC_copyprivate) | |||
5393 | Copyprivate = Clause; | |||
5394 | if (Copyprivate && Nowait) { | |||
5395 | Diag(Copyprivate->getLocStart(), | |||
5396 | diag::err_omp_single_copyprivate_with_nowait); | |||
5397 | Diag(Nowait->getLocStart(), diag::note_omp_nowait_clause_here); | |||
5398 | return StmtError(); | |||
5399 | } | |||
5400 | } | |||
5401 | ||||
5402 | return OMPSingleDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); | |||
5403 | } | |||
5404 | ||||
5405 | StmtResult Sema::ActOnOpenMPMasterDirective(Stmt *AStmt, | |||
5406 | SourceLocation StartLoc, | |||
5407 | SourceLocation EndLoc) { | |||
5408 | if (!AStmt) | |||
5409 | return StmtError(); | |||
5410 | ||||
5411 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast <bool> (isa<CapturedStmt>(AStmt) && "Captured statement expected") ? void (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 5411, __extension__ __PRETTY_FUNCTION__)); | |||
5412 | ||||
5413 | getCurFunction()->setHasBranchProtectedScope(); | |||
5414 | ||||
5415 | return OMPMasterDirective::Create(Context, StartLoc, EndLoc, AStmt); | |||
5416 | } | |||
5417 | ||||
5418 | StmtResult Sema::ActOnOpenMPCriticalDirective( | |||
5419 | const DeclarationNameInfo &DirName, ArrayRef<OMPClause *> Clauses, | |||
5420 | Stmt *AStmt, SourceLocation StartLoc, SourceLocation EndLoc) { | |||
5421 | if (!AStmt) | |||
5422 | return StmtError(); | |||
5423 | ||||
5424 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast <bool> (isa<CapturedStmt>(AStmt) && "Captured statement expected") ? void (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 5424, __extension__ __PRETTY_FUNCTION__)); | |||
5425 | ||||
5426 | bool ErrorFound = false; | |||
5427 | llvm::APSInt Hint; | |||
5428 | SourceLocation HintLoc; | |||
5429 | bool DependentHint = false; | |||
5430 | for (auto *C : Clauses) { | |||
5431 | if (C->getClauseKind() == OMPC_hint) { | |||
5432 | if (!DirName.getName()) { | |||
5433 | Diag(C->getLocStart(), diag::err_omp_hint_clause_no_name); | |||
5434 | ErrorFound = true; | |||
5435 | } | |||
5436 | Expr *E = cast<OMPHintClause>(C)->getHint(); | |||
5437 | if (E->isTypeDependent() || E->isValueDependent() || | |||
5438 | E->isInstantiationDependent()) | |||
5439 | DependentHint = true; | |||
5440 | else { | |||
5441 | Hint = E->EvaluateKnownConstInt(Context); | |||
5442 | HintLoc = C->getLocStart(); | |||
5443 | } | |||
5444 | } | |||
5445 | } | |||
5446 | if (ErrorFound) | |||
5447 | return StmtError(); | |||
5448 | auto Pair = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCriticalWithHint(DirName); | |||
5449 | if (Pair.first && DirName.getName() && !DependentHint) { | |||
5450 | if (llvm::APSInt::compareValues(Hint, Pair.second) != 0) { | |||
5451 | Diag(StartLoc, diag::err_omp_critical_with_hint); | |||
5452 | if (HintLoc.isValid()) { | |||
5453 | Diag(HintLoc, diag::note_omp_critical_hint_here) | |||
5454 | << 0 << Hint.toString(/*Radix=*/10, /*Signed=*/false); | |||
5455 | } else | |||
5456 | Diag(StartLoc, diag::note_omp_critical_no_hint) << 0; | |||
5457 | if (auto *C = Pair.first->getSingleClause<OMPHintClause>()) { | |||
5458 | Diag(C->getLocStart(), diag::note_omp_critical_hint_here) | |||
5459 | << 1 | |||
5460 | << C->getHint()->EvaluateKnownConstInt(Context).toString( | |||
5461 | /*Radix=*/10, /*Signed=*/false); | |||
5462 | } else | |||
5463 | Diag(Pair.first->getLocStart(), diag::note_omp_critical_no_hint) << 1; | |||
5464 | } | |||
5465 | } | |||
5466 | ||||
5467 | getCurFunction()->setHasBranchProtectedScope(); | |||
5468 | ||||
5469 | auto *Dir = OMPCriticalDirective::Create(Context, DirName, StartLoc, EndLoc, | |||
5470 | Clauses, AStmt); | |||
5471 | if (!Pair.first && DirName.getName() && !DependentHint) | |||
5472 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addCriticalWithHint(Dir, Hint); | |||
5473 | return Dir; | |||
5474 | } | |||
5475 | ||||
5476 | StmtResult Sema::ActOnOpenMPParallelForDirective( | |||
5477 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
5478 | SourceLocation EndLoc, | |||
5479 | llvm::DenseMap<ValueDecl *, Expr *> &VarsWithImplicitDSA) { | |||
5480 | if (!AStmt) | |||
5481 | return StmtError(); | |||
5482 | ||||
5483 | CapturedStmt *CS = cast<CapturedStmt>(AStmt); | |||
5484 | // 1.2.2 OpenMP Language Terminology | |||
5485 | // Structured block - An executable statement with a single entry at the | |||
5486 | // top and a single exit at the bottom. | |||
5487 | // The point of exit cannot be a branch out of the structured block. | |||
5488 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
5489 | CS->getCapturedDecl()->setNothrow(); | |||
5490 | ||||
5491 | OMPLoopDirective::HelperExprs B; | |||
5492 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | |||
5493 | // define the nested loops number. | |||
5494 | unsigned NestedLoopCount = | |||
5495 | CheckOpenMPLoop(OMPD_parallel_for, getCollapseNumberExpr(Clauses), | |||
5496 | getOrderedNumberExpr(Clauses), AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
5497 | VarsWithImplicitDSA, B); | |||
5498 | if (NestedLoopCount == 0) | |||
5499 | return StmtError(); | |||
5500 | ||||
5501 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp parallel for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp parallel for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 5502, __extension__ __PRETTY_FUNCTION__)) | |||
5502 | "omp parallel for loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp parallel for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp parallel for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 5502, __extension__ __PRETTY_FUNCTION__)); | |||
5503 | ||||
5504 | if (!CurContext->isDependentContext()) { | |||
5505 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
5506 | for (auto C : Clauses) { | |||
5507 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
5508 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
5509 | B.NumIterations, *this, CurScope, | |||
5510 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
5511 | return StmtError(); | |||
5512 | } | |||
5513 | } | |||
5514 | ||||
5515 | getCurFunction()->setHasBranchProtectedScope(); | |||
5516 | return OMPParallelForDirective::Create(Context, StartLoc, EndLoc, | |||
5517 | NestedLoopCount, Clauses, AStmt, B, | |||
5518 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | |||
5519 | } | |||
5520 | ||||
5521 | StmtResult Sema::ActOnOpenMPParallelForSimdDirective( | |||
5522 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
5523 | SourceLocation EndLoc, | |||
5524 | llvm::DenseMap<ValueDecl *, Expr *> &VarsWithImplicitDSA) { | |||
5525 | if (!AStmt) | |||
5526 | return StmtError(); | |||
5527 | ||||
5528 | CapturedStmt *CS = cast<CapturedStmt>(AStmt); | |||
5529 | // 1.2.2 OpenMP Language Terminology | |||
5530 | // Structured block - An executable statement with a single entry at the | |||
5531 | // top and a single exit at the bottom. | |||
5532 | // The point of exit cannot be a branch out of the structured block. | |||
5533 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
5534 | CS->getCapturedDecl()->setNothrow(); | |||
5535 | ||||
5536 | OMPLoopDirective::HelperExprs B; | |||
5537 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | |||
5538 | // define the nested loops number. | |||
5539 | unsigned NestedLoopCount = | |||
5540 | CheckOpenMPLoop(OMPD_parallel_for_simd, getCollapseNumberExpr(Clauses), | |||
5541 | getOrderedNumberExpr(Clauses), AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
5542 | VarsWithImplicitDSA, B); | |||
5543 | if (NestedLoopCount == 0) | |||
5544 | return StmtError(); | |||
5545 | ||||
5546 | if (!CurContext->isDependentContext()) { | |||
5547 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
5548 | for (auto C : Clauses) { | |||
5549 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
5550 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
5551 | B.NumIterations, *this, CurScope, | |||
5552 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
5553 | return StmtError(); | |||
5554 | } | |||
5555 | } | |||
5556 | ||||
5557 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | |||
5558 | return StmtError(); | |||
5559 | ||||
5560 | getCurFunction()->setHasBranchProtectedScope(); | |||
5561 | return OMPParallelForSimdDirective::Create( | |||
5562 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | |||
5563 | } | |||
5564 | ||||
5565 | StmtResult | |||
5566 | Sema::ActOnOpenMPParallelSectionsDirective(ArrayRef<OMPClause *> Clauses, | |||
5567 | Stmt *AStmt, SourceLocation StartLoc, | |||
5568 | SourceLocation EndLoc) { | |||
5569 | if (!AStmt) | |||
5570 | return StmtError(); | |||
5571 | ||||
5572 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast <bool> (isa<CapturedStmt>(AStmt) && "Captured statement expected") ? void (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 5572, __extension__ __PRETTY_FUNCTION__)); | |||
5573 | auto BaseStmt = AStmt; | |||
5574 | while (auto *CS = dyn_cast_or_null<CapturedStmt>(BaseStmt)) | |||
5575 | BaseStmt = CS->getCapturedStmt(); | |||
5576 | if (auto *C = dyn_cast_or_null<CompoundStmt>(BaseStmt)) { | |||
5577 | auto S = C->children(); | |||
5578 | if (S.begin() == S.end()) | |||
5579 | return StmtError(); | |||
5580 | // All associated statements must be '#pragma omp section' except for | |||
5581 | // the first one. | |||
5582 | for (Stmt *SectionStmt : llvm::make_range(std::next(S.begin()), S.end())) { | |||
5583 | if (!SectionStmt || !isa<OMPSectionDirective>(SectionStmt)) { | |||
5584 | if (SectionStmt) | |||
5585 | Diag(SectionStmt->getLocStart(), | |||
5586 | diag::err_omp_parallel_sections_substmt_not_section); | |||
5587 | return StmtError(); | |||
5588 | } | |||
5589 | cast<OMPSectionDirective>(SectionStmt) | |||
5590 | ->setHasCancel(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | |||
5591 | } | |||
5592 | } else { | |||
5593 | Diag(AStmt->getLocStart(), | |||
5594 | diag::err_omp_parallel_sections_not_compound_stmt); | |||
5595 | return StmtError(); | |||
5596 | } | |||
5597 | ||||
5598 | getCurFunction()->setHasBranchProtectedScope(); | |||
5599 | ||||
5600 | return OMPParallelSectionsDirective::Create( | |||
5601 | Context, StartLoc, EndLoc, Clauses, AStmt, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | |||
5602 | } | |||
5603 | ||||
5604 | StmtResult Sema::ActOnOpenMPTaskDirective(ArrayRef<OMPClause *> Clauses, | |||
5605 | Stmt *AStmt, SourceLocation StartLoc, | |||
5606 | SourceLocation EndLoc) { | |||
5607 | if (!AStmt) | |||
5608 | return StmtError(); | |||
5609 | ||||
5610 | auto *CS = cast<CapturedStmt>(AStmt); | |||
5611 | // 1.2.2 OpenMP Language Terminology | |||
5612 | // Structured block - An executable statement with a single entry at the | |||
5613 | // top and a single exit at the bottom. | |||
5614 | // The point of exit cannot be a branch out of the structured block. | |||
5615 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
5616 | CS->getCapturedDecl()->setNothrow(); | |||
5617 | ||||
5618 | getCurFunction()->setHasBranchProtectedScope(); | |||
5619 | ||||
5620 | return OMPTaskDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, | |||
5621 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | |||
5622 | } | |||
5623 | ||||
5624 | StmtResult Sema::ActOnOpenMPTaskyieldDirective(SourceLocation StartLoc, | |||
5625 | SourceLocation EndLoc) { | |||
5626 | return OMPTaskyieldDirective::Create(Context, StartLoc, EndLoc); | |||
5627 | } | |||
5628 | ||||
5629 | StmtResult Sema::ActOnOpenMPBarrierDirective(SourceLocation StartLoc, | |||
5630 | SourceLocation EndLoc) { | |||
5631 | return OMPBarrierDirective::Create(Context, StartLoc, EndLoc); | |||
5632 | } | |||
5633 | ||||
5634 | StmtResult Sema::ActOnOpenMPTaskwaitDirective(SourceLocation StartLoc, | |||
5635 | SourceLocation EndLoc) { | |||
5636 | return OMPTaskwaitDirective::Create(Context, StartLoc, EndLoc); | |||
5637 | } | |||
5638 | ||||
5639 | StmtResult Sema::ActOnOpenMPTaskgroupDirective(ArrayRef<OMPClause *> Clauses, | |||
5640 | Stmt *AStmt, | |||
5641 | SourceLocation StartLoc, | |||
5642 | SourceLocation EndLoc) { | |||
5643 | if (!AStmt) | |||
5644 | return StmtError(); | |||
5645 | ||||
5646 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast <bool> (isa<CapturedStmt>(AStmt) && "Captured statement expected") ? void (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 5646, __extension__ __PRETTY_FUNCTION__)); | |||
5647 | ||||
5648 | getCurFunction()->setHasBranchProtectedScope(); | |||
5649 | ||||
5650 | return OMPTaskgroupDirective::Create(Context, StartLoc, EndLoc, Clauses, | |||
5651 | AStmt, | |||
5652 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTaskgroupReductionRef()); | |||
5653 | } | |||
5654 | ||||
5655 | StmtResult Sema::ActOnOpenMPFlushDirective(ArrayRef<OMPClause *> Clauses, | |||
5656 | SourceLocation StartLoc, | |||
5657 | SourceLocation EndLoc) { | |||
5658 | assert(Clauses.size() <= 1 && "Extra clauses in flush directive")(static_cast <bool> (Clauses.size() <= 1 && "Extra clauses in flush directive" ) ? void (0) : __assert_fail ("Clauses.size() <= 1 && \"Extra clauses in flush directive\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 5658, __extension__ __PRETTY_FUNCTION__)); | |||
5659 | return OMPFlushDirective::Create(Context, StartLoc, EndLoc, Clauses); | |||
5660 | } | |||
5661 | ||||
5662 | StmtResult Sema::ActOnOpenMPOrderedDirective(ArrayRef<OMPClause *> Clauses, | |||
5663 | Stmt *AStmt, | |||
5664 | SourceLocation StartLoc, | |||
5665 | SourceLocation EndLoc) { | |||
5666 | OMPClause *DependFound = nullptr; | |||
5667 | OMPClause *DependSourceClause = nullptr; | |||
5668 | OMPClause *DependSinkClause = nullptr; | |||
5669 | bool ErrorFound = false; | |||
5670 | OMPThreadsClause *TC = nullptr; | |||
5671 | OMPSIMDClause *SC = nullptr; | |||
5672 | for (auto *C : Clauses) { | |||
5673 | if (auto *DC = dyn_cast<OMPDependClause>(C)) { | |||
5674 | DependFound = C; | |||
5675 | if (DC->getDependencyKind() == OMPC_DEPEND_source) { | |||
5676 | if (DependSourceClause) { | |||
5677 | Diag(C->getLocStart(), diag::err_omp_more_one_clause) | |||
5678 | << getOpenMPDirectiveName(OMPD_ordered) | |||
5679 | << getOpenMPClauseName(OMPC_depend) << 2; | |||
5680 | ErrorFound = true; | |||
5681 | } else | |||
5682 | DependSourceClause = C; | |||
5683 | if (DependSinkClause) { | |||
5684 | Diag(C->getLocStart(), diag::err_omp_depend_sink_source_not_allowed) | |||
5685 | << 0; | |||
5686 | ErrorFound = true; | |||
5687 | } | |||
5688 | } else if (DC->getDependencyKind() == OMPC_DEPEND_sink) { | |||
5689 | if (DependSourceClause) { | |||
5690 | Diag(C->getLocStart(), diag::err_omp_depend_sink_source_not_allowed) | |||
5691 | << 1; | |||
5692 | ErrorFound = true; | |||
5693 | } | |||
5694 | DependSinkClause = C; | |||
5695 | } | |||
5696 | } else if (C->getClauseKind() == OMPC_threads) | |||
5697 | TC = cast<OMPThreadsClause>(C); | |||
5698 | else if (C->getClauseKind() == OMPC_simd) | |||
5699 | SC = cast<OMPSIMDClause>(C); | |||
5700 | } | |||
5701 | if (!ErrorFound && !SC && | |||
5702 | isOpenMPSimdDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentDirective())) { | |||
5703 | // OpenMP [2.8.1,simd Construct, Restrictions] | |||
5704 | // An ordered construct with the simd clause is the only OpenMP construct | |||
5705 | // that can appear in the simd region. | |||
5706 | Diag(StartLoc, diag::err_omp_prohibited_region_simd); | |||
5707 | ErrorFound = true; | |||
5708 | } else if (DependFound && (TC || SC)) { | |||
5709 | Diag(DependFound->getLocStart(), diag::err_omp_depend_clause_thread_simd) | |||
5710 | << getOpenMPClauseName(TC ? TC->getClauseKind() : SC->getClauseKind()); | |||
5711 | ErrorFound = true; | |||
5712 | } else if (DependFound && !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam()) { | |||
5713 | Diag(DependFound->getLocStart(), | |||
5714 | diag::err_omp_ordered_directive_without_param); | |||
5715 | ErrorFound = true; | |||
5716 | } else if (TC || Clauses.empty()) { | |||
5717 | if (auto *Param = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam()) { | |||
5718 | SourceLocation ErrLoc = TC ? TC->getLocStart() : StartLoc; | |||
5719 | Diag(ErrLoc, diag::err_omp_ordered_directive_with_param) | |||
5720 | << (TC != nullptr); | |||
5721 | Diag(Param->getLocStart(), diag::note_omp_ordered_param); | |||
5722 | ErrorFound = true; | |||
5723 | } | |||
5724 | } | |||
5725 | if ((!AStmt && !DependFound) || ErrorFound) | |||
5726 | return StmtError(); | |||
5727 | ||||
5728 | if (AStmt) { | |||
5729 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast <bool> (isa<CapturedStmt>(AStmt) && "Captured statement expected") ? void (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 5729, __extension__ __PRETTY_FUNCTION__)); | |||
5730 | ||||
5731 | getCurFunction()->setHasBranchProtectedScope(); | |||
5732 | } | |||
5733 | ||||
5734 | return OMPOrderedDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); | |||
5735 | } | |||
5736 | ||||
5737 | namespace { | |||
5738 | /// \brief Helper class for checking expression in 'omp atomic [update]' | |||
5739 | /// construct. | |||
5740 | class OpenMPAtomicUpdateChecker { | |||
5741 | /// \brief Error results for atomic update expressions. | |||
5742 | enum ExprAnalysisErrorCode { | |||
5743 | /// \brief A statement is not an expression statement. | |||
5744 | NotAnExpression, | |||
5745 | /// \brief Expression is not builtin binary or unary operation. | |||
5746 | NotABinaryOrUnaryExpression, | |||
5747 | /// \brief Unary operation is not post-/pre- increment/decrement operation. | |||
5748 | NotAnUnaryIncDecExpression, | |||
5749 | /// \brief An expression is not of scalar type. | |||
5750 | NotAScalarType, | |||
5751 | /// \brief A binary operation is not an assignment operation. | |||
5752 | NotAnAssignmentOp, | |||
5753 | /// \brief RHS part of the binary operation is not a binary expression. | |||
5754 | NotABinaryExpression, | |||
5755 | /// \brief RHS part is not additive/multiplicative/shift/biwise binary | |||
5756 | /// expression. | |||
5757 | NotABinaryOperator, | |||
5758 | /// \brief RHS binary operation does not have reference to the updated LHS | |||
5759 | /// part. | |||
5760 | NotAnUpdateExpression, | |||
5761 | /// \brief No errors is found. | |||
5762 | NoError | |||
5763 | }; | |||
5764 | /// \brief Reference to Sema. | |||
5765 | Sema &SemaRef; | |||
5766 | /// \brief A location for note diagnostics (when error is found). | |||
5767 | SourceLocation NoteLoc; | |||
5768 | /// \brief 'x' lvalue part of the source atomic expression. | |||
5769 | Expr *X; | |||
5770 | /// \brief 'expr' rvalue part of the source atomic expression. | |||
5771 | Expr *E; | |||
5772 | /// \brief Helper expression of the form | |||
5773 | /// 'OpaqueValueExpr(x) binop OpaqueValueExpr(expr)' or | |||
5774 | /// 'OpaqueValueExpr(expr) binop OpaqueValueExpr(x)'. | |||
5775 | Expr *UpdateExpr; | |||
5776 | /// \brief Is 'x' a LHS in a RHS part of full update expression. It is | |||
5777 | /// important for non-associative operations. | |||
5778 | bool IsXLHSInRHSPart; | |||
5779 | BinaryOperatorKind Op; | |||
5780 | SourceLocation OpLoc; | |||
5781 | /// \brief true if the source expression is a postfix unary operation, false | |||
5782 | /// if it is a prefix unary operation. | |||
5783 | bool IsPostfixUpdate; | |||
5784 | ||||
5785 | public: | |||
5786 | OpenMPAtomicUpdateChecker(Sema &SemaRef) | |||
5787 | : SemaRef(SemaRef), X(nullptr), E(nullptr), UpdateExpr(nullptr), | |||
5788 | IsXLHSInRHSPart(false), Op(BO_PtrMemD), IsPostfixUpdate(false) {} | |||
5789 | /// \brief Check specified statement that it is suitable for 'atomic update' | |||
5790 | /// constructs and extract 'x', 'expr' and Operation from the original | |||
5791 | /// expression. If DiagId and NoteId == 0, then only check is performed | |||
5792 | /// without error notification. | |||
5793 | /// \param DiagId Diagnostic which should be emitted if error is found. | |||
5794 | /// \param NoteId Diagnostic note for the main error message. | |||
5795 | /// \return true if statement is not an update expression, false otherwise. | |||
5796 | bool checkStatement(Stmt *S, unsigned DiagId = 0, unsigned NoteId = 0); | |||
5797 | /// \brief Return the 'x' lvalue part of the source atomic expression. | |||
5798 | Expr *getX() const { return X; } | |||
5799 | /// \brief Return the 'expr' rvalue part of the source atomic expression. | |||
5800 | Expr *getExpr() const { return E; } | |||
5801 | /// \brief Return the update expression used in calculation of the updated | |||
5802 | /// value. Always has form 'OpaqueValueExpr(x) binop OpaqueValueExpr(expr)' or | |||
5803 | /// 'OpaqueValueExpr(expr) binop OpaqueValueExpr(x)'. | |||
5804 | Expr *getUpdateExpr() const { return UpdateExpr; } | |||
5805 | /// \brief Return true if 'x' is LHS in RHS part of full update expression, | |||
5806 | /// false otherwise. | |||
5807 | bool isXLHSInRHSPart() const { return IsXLHSInRHSPart; } | |||
5808 | ||||
5809 | /// \brief true if the source expression is a postfix unary operation, false | |||
5810 | /// if it is a prefix unary operation. | |||
5811 | bool isPostfixUpdate() const { return IsPostfixUpdate; } | |||
5812 | ||||
5813 | private: | |||
5814 | bool checkBinaryOperation(BinaryOperator *AtomicBinOp, unsigned DiagId = 0, | |||
5815 | unsigned NoteId = 0); | |||
5816 | }; | |||
5817 | } // namespace | |||
5818 | ||||
5819 | bool OpenMPAtomicUpdateChecker::checkBinaryOperation( | |||
5820 | BinaryOperator *AtomicBinOp, unsigned DiagId, unsigned NoteId) { | |||
5821 | ExprAnalysisErrorCode ErrorFound = NoError; | |||
5822 | SourceLocation ErrorLoc, NoteLoc; | |||
5823 | SourceRange ErrorRange, NoteRange; | |||
5824 | // Allowed constructs are: | |||
5825 | // x = x binop expr; | |||
5826 | // x = expr binop x; | |||
5827 | if (AtomicBinOp->getOpcode() == BO_Assign) { | |||
5828 | X = AtomicBinOp->getLHS(); | |||
5829 | if (auto *AtomicInnerBinOp = dyn_cast<BinaryOperator>( | |||
5830 | AtomicBinOp->getRHS()->IgnoreParenImpCasts())) { | |||
5831 | if (AtomicInnerBinOp->isMultiplicativeOp() || | |||
5832 | AtomicInnerBinOp->isAdditiveOp() || AtomicInnerBinOp->isShiftOp() || | |||
5833 | AtomicInnerBinOp->isBitwiseOp()) { | |||
5834 | Op = AtomicInnerBinOp->getOpcode(); | |||
5835 | OpLoc = AtomicInnerBinOp->getOperatorLoc(); | |||
5836 | auto *LHS = AtomicInnerBinOp->getLHS(); | |||
5837 | auto *RHS = AtomicInnerBinOp->getRHS(); | |||
5838 | llvm::FoldingSetNodeID XId, LHSId, RHSId; | |||
5839 | X->IgnoreParenImpCasts()->Profile(XId, SemaRef.getASTContext(), | |||
5840 | /*Canonical=*/true); | |||
5841 | LHS->IgnoreParenImpCasts()->Profile(LHSId, SemaRef.getASTContext(), | |||
5842 | /*Canonical=*/true); | |||
5843 | RHS->IgnoreParenImpCasts()->Profile(RHSId, SemaRef.getASTContext(), | |||
5844 | /*Canonical=*/true); | |||
5845 | if (XId == LHSId) { | |||
5846 | E = RHS; | |||
5847 | IsXLHSInRHSPart = true; | |||
5848 | } else if (XId == RHSId) { | |||
5849 | E = LHS; | |||
5850 | IsXLHSInRHSPart = false; | |||
5851 | } else { | |||
5852 | ErrorLoc = AtomicInnerBinOp->getExprLoc(); | |||
5853 | ErrorRange = AtomicInnerBinOp->getSourceRange(); | |||
5854 | NoteLoc = X->getExprLoc(); | |||
5855 | NoteRange = X->getSourceRange(); | |||
5856 | ErrorFound = NotAnUpdateExpression; | |||
5857 | } | |||
5858 | } else { | |||
5859 | ErrorLoc = AtomicInnerBinOp->getExprLoc(); | |||
5860 | ErrorRange = AtomicInnerBinOp->getSourceRange(); | |||
5861 | NoteLoc = AtomicInnerBinOp->getOperatorLoc(); | |||
5862 | NoteRange = SourceRange(NoteLoc, NoteLoc); | |||
5863 | ErrorFound = NotABinaryOperator; | |||
5864 | } | |||
5865 | } else { | |||
5866 | NoteLoc = ErrorLoc = AtomicBinOp->getRHS()->getExprLoc(); | |||
5867 | NoteRange = ErrorRange = AtomicBinOp->getRHS()->getSourceRange(); | |||
5868 | ErrorFound = NotABinaryExpression; | |||
5869 | } | |||
5870 | } else { | |||
5871 | ErrorLoc = AtomicBinOp->getExprLoc(); | |||
5872 | ErrorRange = AtomicBinOp->getSourceRange(); | |||
5873 | NoteLoc = AtomicBinOp->getOperatorLoc(); | |||
5874 | NoteRange = SourceRange(NoteLoc, NoteLoc); | |||
5875 | ErrorFound = NotAnAssignmentOp; | |||
5876 | } | |||
5877 | if (ErrorFound != NoError && DiagId != 0 && NoteId != 0) { | |||
5878 | SemaRef.Diag(ErrorLoc, DiagId) << ErrorRange; | |||
5879 | SemaRef.Diag(NoteLoc, NoteId) << ErrorFound << NoteRange; | |||
5880 | return true; | |||
5881 | } else if (SemaRef.CurContext->isDependentContext()) | |||
5882 | E = X = UpdateExpr = nullptr; | |||
5883 | return ErrorFound != NoError; | |||
5884 | } | |||
5885 | ||||
5886 | bool OpenMPAtomicUpdateChecker::checkStatement(Stmt *S, unsigned DiagId, | |||
5887 | unsigned NoteId) { | |||
5888 | ExprAnalysisErrorCode ErrorFound = NoError; | |||
5889 | SourceLocation ErrorLoc, NoteLoc; | |||
5890 | SourceRange ErrorRange, NoteRange; | |||
5891 | // Allowed constructs are: | |||
5892 | // x++; | |||
5893 | // x--; | |||
5894 | // ++x; | |||
5895 | // --x; | |||
5896 | // x binop= expr; | |||
5897 | // x = x binop expr; | |||
5898 | // x = expr binop x; | |||
5899 | if (auto *AtomicBody = dyn_cast<Expr>(S)) { | |||
5900 | AtomicBody = AtomicBody->IgnoreParenImpCasts(); | |||
5901 | if (AtomicBody->getType()->isScalarType() || | |||
5902 | AtomicBody->isInstantiationDependent()) { | |||
5903 | if (auto *AtomicCompAssignOp = dyn_cast<CompoundAssignOperator>( | |||
5904 | AtomicBody->IgnoreParenImpCasts())) { | |||
5905 | // Check for Compound Assignment Operation | |||
5906 | Op = BinaryOperator::getOpForCompoundAssignment( | |||
5907 | AtomicCompAssignOp->getOpcode()); | |||
5908 | OpLoc = AtomicCompAssignOp->getOperatorLoc(); | |||
5909 | E = AtomicCompAssignOp->getRHS(); | |||
5910 | X = AtomicCompAssignOp->getLHS()->IgnoreParens(); | |||
5911 | IsXLHSInRHSPart = true; | |||
5912 | } else if (auto *AtomicBinOp = dyn_cast<BinaryOperator>( | |||
5913 | AtomicBody->IgnoreParenImpCasts())) { | |||
5914 | // Check for Binary Operation | |||
5915 | if (checkBinaryOperation(AtomicBinOp, DiagId, NoteId)) | |||
5916 | return true; | |||
5917 | } else if (auto *AtomicUnaryOp = dyn_cast<UnaryOperator>( | |||
5918 | AtomicBody->IgnoreParenImpCasts())) { | |||
5919 | // Check for Unary Operation | |||
5920 | if (AtomicUnaryOp->isIncrementDecrementOp()) { | |||
5921 | IsPostfixUpdate = AtomicUnaryOp->isPostfix(); | |||
5922 | Op = AtomicUnaryOp->isIncrementOp() ? BO_Add : BO_Sub; | |||
5923 | OpLoc = AtomicUnaryOp->getOperatorLoc(); | |||
5924 | X = AtomicUnaryOp->getSubExpr()->IgnoreParens(); | |||
5925 | E = SemaRef.ActOnIntegerConstant(OpLoc, /*uint64_t Val=*/1).get(); | |||
5926 | IsXLHSInRHSPart = true; | |||
5927 | } else { | |||
5928 | ErrorFound = NotAnUnaryIncDecExpression; | |||
5929 | ErrorLoc = AtomicUnaryOp->getExprLoc(); | |||
5930 | ErrorRange = AtomicUnaryOp->getSourceRange(); | |||
5931 | NoteLoc = AtomicUnaryOp->getOperatorLoc(); | |||
5932 | NoteRange = SourceRange(NoteLoc, NoteLoc); | |||
5933 | } | |||
5934 | } else if (!AtomicBody->isInstantiationDependent()) { | |||
5935 | ErrorFound = NotABinaryOrUnaryExpression; | |||
5936 | NoteLoc = ErrorLoc = AtomicBody->getExprLoc(); | |||
5937 | NoteRange = ErrorRange = AtomicBody->getSourceRange(); | |||
5938 | } | |||
5939 | } else { | |||
5940 | ErrorFound = NotAScalarType; | |||
5941 | NoteLoc = ErrorLoc = AtomicBody->getLocStart(); | |||
5942 | NoteRange = ErrorRange = SourceRange(NoteLoc, NoteLoc); | |||
5943 | } | |||
5944 | } else { | |||
5945 | ErrorFound = NotAnExpression; | |||
5946 | NoteLoc = ErrorLoc = S->getLocStart(); | |||
5947 | NoteRange = ErrorRange = SourceRange(NoteLoc, NoteLoc); | |||
5948 | } | |||
5949 | if (ErrorFound != NoError && DiagId != 0 && NoteId != 0) { | |||
5950 | SemaRef.Diag(ErrorLoc, DiagId) << ErrorRange; | |||
5951 | SemaRef.Diag(NoteLoc, NoteId) << ErrorFound << NoteRange; | |||
5952 | return true; | |||
5953 | } else if (SemaRef.CurContext->isDependentContext()) | |||
5954 | E = X = UpdateExpr = nullptr; | |||
5955 | if (ErrorFound == NoError && E && X) { | |||
5956 | // Build an update expression of form 'OpaqueValueExpr(x) binop | |||
5957 | // OpaqueValueExpr(expr)' or 'OpaqueValueExpr(expr) binop | |||
5958 | // OpaqueValueExpr(x)' and then cast it to the type of the 'x' expression. | |||
5959 | auto *OVEX = new (SemaRef.getASTContext()) | |||
5960 | OpaqueValueExpr(X->getExprLoc(), X->getType(), VK_RValue); | |||
5961 | auto *OVEExpr = new (SemaRef.getASTContext()) | |||
5962 | OpaqueValueExpr(E->getExprLoc(), E->getType(), VK_RValue); | |||
5963 | auto Update = | |||
5964 | SemaRef.CreateBuiltinBinOp(OpLoc, Op, IsXLHSInRHSPart ? OVEX : OVEExpr, | |||
5965 | IsXLHSInRHSPart ? OVEExpr : OVEX); | |||
5966 | if (Update.isInvalid()) | |||
5967 | return true; | |||
5968 | Update = SemaRef.PerformImplicitConversion(Update.get(), X->getType(), | |||
5969 | Sema::AA_Casting); | |||
5970 | if (Update.isInvalid()) | |||
5971 | return true; | |||
5972 | UpdateExpr = Update.get(); | |||
5973 | } | |||
5974 | return ErrorFound != NoError; | |||
5975 | } | |||
5976 | ||||
5977 | StmtResult Sema::ActOnOpenMPAtomicDirective(ArrayRef<OMPClause *> Clauses, | |||
5978 | Stmt *AStmt, | |||
5979 | SourceLocation StartLoc, | |||
5980 | SourceLocation EndLoc) { | |||
5981 | if (!AStmt) | |||
5982 | return StmtError(); | |||
5983 | ||||
5984 | auto *CS = cast<CapturedStmt>(AStmt); | |||
5985 | // 1.2.2 OpenMP Language Terminology | |||
5986 | // Structured block - An executable statement with a single entry at the | |||
5987 | // top and a single exit at the bottom. | |||
5988 | // The point of exit cannot be a branch out of the structured block. | |||
5989 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
5990 | OpenMPClauseKind AtomicKind = OMPC_unknown; | |||
5991 | SourceLocation AtomicKindLoc; | |||
5992 | for (auto *C : Clauses) { | |||
5993 | if (C->getClauseKind() == OMPC_read || C->getClauseKind() == OMPC_write || | |||
5994 | C->getClauseKind() == OMPC_update || | |||
5995 | C->getClauseKind() == OMPC_capture) { | |||
5996 | if (AtomicKind != OMPC_unknown) { | |||
5997 | Diag(C->getLocStart(), diag::err_omp_atomic_several_clauses) | |||
5998 | << SourceRange(C->getLocStart(), C->getLocEnd()); | |||
5999 | Diag(AtomicKindLoc, diag::note_omp_atomic_previous_clause) | |||
6000 | << getOpenMPClauseName(AtomicKind); | |||
6001 | } else { | |||
6002 | AtomicKind = C->getClauseKind(); | |||
6003 | AtomicKindLoc = C->getLocStart(); | |||
6004 | } | |||
6005 | } | |||
6006 | } | |||
6007 | ||||
6008 | auto Body = CS->getCapturedStmt(); | |||
6009 | if (auto *EWC = dyn_cast<ExprWithCleanups>(Body)) | |||
6010 | Body = EWC->getSubExpr(); | |||
6011 | ||||
6012 | Expr *X = nullptr; | |||
6013 | Expr *V = nullptr; | |||
6014 | Expr *E = nullptr; | |||
6015 | Expr *UE = nullptr; | |||
6016 | bool IsXLHSInRHSPart = false; | |||
6017 | bool IsPostfixUpdate = false; | |||
6018 | // OpenMP [2.12.6, atomic Construct] | |||
6019 | // In the next expressions: | |||
6020 | // * x and v (as applicable) are both l-value expressions with scalar type. | |||
6021 | // * During the execution of an atomic region, multiple syntactic | |||
6022 | // occurrences of x must designate the same storage location. | |||
6023 | // * Neither of v and expr (as applicable) may access the storage location | |||
6024 | // designated by x. | |||
6025 | // * Neither of x and expr (as applicable) may access the storage location | |||
6026 | // designated by v. | |||
6027 | // * expr is an expression with scalar type. | |||
6028 | // * binop is one of +, *, -, /, &, ^, |, <<, or >>. | |||
6029 | // * binop, binop=, ++, and -- are not overloaded operators. | |||
6030 | // * The expression x binop expr must be numerically equivalent to x binop | |||
6031 | // (expr). This requirement is satisfied if the operators in expr have | |||
6032 | // precedence greater than binop, or by using parentheses around expr or | |||
6033 | // subexpressions of expr. | |||
6034 | // * The expression expr binop x must be numerically equivalent to (expr) | |||
6035 | // binop x. This requirement is satisfied if the operators in expr have | |||
6036 | // precedence equal to or greater than binop, or by using parentheses around | |||
6037 | // expr or subexpressions of expr. | |||
6038 | // * For forms that allow multiple occurrences of x, the number of times | |||
6039 | // that x is evaluated is unspecified. | |||
6040 | if (AtomicKind == OMPC_read) { | |||
6041 | enum { | |||
6042 | NotAnExpression, | |||
6043 | NotAnAssignmentOp, | |||
6044 | NotAScalarType, | |||
6045 | NotAnLValue, | |||
6046 | NoError | |||
6047 | } ErrorFound = NoError; | |||
6048 | SourceLocation ErrorLoc, NoteLoc; | |||
6049 | SourceRange ErrorRange, NoteRange; | |||
6050 | // If clause is read: | |||
6051 | // v = x; | |||
6052 | if (auto *AtomicBody = dyn_cast<Expr>(Body)) { | |||
6053 | auto *AtomicBinOp = | |||
6054 | dyn_cast<BinaryOperator>(AtomicBody->IgnoreParenImpCasts()); | |||
6055 | if (AtomicBinOp && AtomicBinOp->getOpcode() == BO_Assign) { | |||
6056 | X = AtomicBinOp->getRHS()->IgnoreParenImpCasts(); | |||
6057 | V = AtomicBinOp->getLHS()->IgnoreParenImpCasts(); | |||
6058 | if ((X->isInstantiationDependent() || X->getType()->isScalarType()) && | |||
6059 | (V->isInstantiationDependent() || V->getType()->isScalarType())) { | |||
6060 | if (!X->isLValue() || !V->isLValue()) { | |||
6061 | auto NotLValueExpr = X->isLValue() ? V : X; | |||
6062 | ErrorFound = NotAnLValue; | |||
6063 | ErrorLoc = AtomicBinOp->getExprLoc(); | |||
6064 | ErrorRange = AtomicBinOp->getSourceRange(); | |||
6065 | NoteLoc = NotLValueExpr->getExprLoc(); | |||
6066 | NoteRange = NotLValueExpr->getSourceRange(); | |||
6067 | } | |||
6068 | } else if (!X->isInstantiationDependent() || | |||
6069 | !V->isInstantiationDependent()) { | |||
6070 | auto NotScalarExpr = | |||
6071 | (X->isInstantiationDependent() || X->getType()->isScalarType()) | |||
6072 | ? V | |||
6073 | : X; | |||
6074 | ErrorFound = NotAScalarType; | |||
6075 | ErrorLoc = AtomicBinOp->getExprLoc(); | |||
6076 | ErrorRange = AtomicBinOp->getSourceRange(); | |||
6077 | NoteLoc = NotScalarExpr->getExprLoc(); | |||
6078 | NoteRange = NotScalarExpr->getSourceRange(); | |||
6079 | } | |||
6080 | } else if (!AtomicBody->isInstantiationDependent()) { | |||
6081 | ErrorFound = NotAnAssignmentOp; | |||
6082 | ErrorLoc = AtomicBody->getExprLoc(); | |||
6083 | ErrorRange = AtomicBody->getSourceRange(); | |||
6084 | NoteLoc = AtomicBinOp ? AtomicBinOp->getOperatorLoc() | |||
6085 | : AtomicBody->getExprLoc(); | |||
6086 | NoteRange = AtomicBinOp ? AtomicBinOp->getSourceRange() | |||
6087 | : AtomicBody->getSourceRange(); | |||
6088 | } | |||
6089 | } else { | |||
6090 | ErrorFound = NotAnExpression; | |||
6091 | NoteLoc = ErrorLoc = Body->getLocStart(); | |||
6092 | NoteRange = ErrorRange = SourceRange(NoteLoc, NoteLoc); | |||
6093 | } | |||
6094 | if (ErrorFound != NoError) { | |||
6095 | Diag(ErrorLoc, diag::err_omp_atomic_read_not_expression_statement) | |||
6096 | << ErrorRange; | |||
6097 | Diag(NoteLoc, diag::note_omp_atomic_read_write) << ErrorFound | |||
6098 | << NoteRange; | |||
6099 | return StmtError(); | |||
6100 | } else if (CurContext->isDependentContext()) | |||
6101 | V = X = nullptr; | |||
6102 | } else if (AtomicKind == OMPC_write) { | |||
6103 | enum { | |||
6104 | NotAnExpression, | |||
6105 | NotAnAssignmentOp, | |||
6106 | NotAScalarType, | |||
6107 | NotAnLValue, | |||
6108 | NoError | |||
6109 | } ErrorFound = NoError; | |||
6110 | SourceLocation ErrorLoc, NoteLoc; | |||
6111 | SourceRange ErrorRange, NoteRange; | |||
6112 | // If clause is write: | |||
6113 | // x = expr; | |||
6114 | if (auto *AtomicBody = dyn_cast<Expr>(Body)) { | |||
6115 | auto *AtomicBinOp = | |||
6116 | dyn_cast<BinaryOperator>(AtomicBody->IgnoreParenImpCasts()); | |||
6117 | if (AtomicBinOp && AtomicBinOp->getOpcode() == BO_Assign) { | |||
6118 | X = AtomicBinOp->getLHS(); | |||
6119 | E = AtomicBinOp->getRHS(); | |||
6120 | if ((X->isInstantiationDependent() || X->getType()->isScalarType()) && | |||
6121 | (E->isInstantiationDependent() || E->getType()->isScalarType())) { | |||
6122 | if (!X->isLValue()) { | |||
6123 | ErrorFound = NotAnLValue; | |||
6124 | ErrorLoc = AtomicBinOp->getExprLoc(); | |||
6125 | ErrorRange = AtomicBinOp->getSourceRange(); | |||
6126 | NoteLoc = X->getExprLoc(); | |||
6127 | NoteRange = X->getSourceRange(); | |||
6128 | } | |||
6129 | } else if (!X->isInstantiationDependent() || | |||
6130 | !E->isInstantiationDependent()) { | |||
6131 | auto NotScalarExpr = | |||
6132 | (X->isInstantiationDependent() || X->getType()->isScalarType()) | |||
6133 | ? E | |||
6134 | : X; | |||
6135 | ErrorFound = NotAScalarType; | |||
6136 | ErrorLoc = AtomicBinOp->getExprLoc(); | |||
6137 | ErrorRange = AtomicBinOp->getSourceRange(); | |||
6138 | NoteLoc = NotScalarExpr->getExprLoc(); | |||
6139 | NoteRange = NotScalarExpr->getSourceRange(); | |||
6140 | } | |||
6141 | } else if (!AtomicBody->isInstantiationDependent()) { | |||
6142 | ErrorFound = NotAnAssignmentOp; | |||
6143 | ErrorLoc = AtomicBody->getExprLoc(); | |||
6144 | ErrorRange = AtomicBody->getSourceRange(); | |||
6145 | NoteLoc = AtomicBinOp ? AtomicBinOp->getOperatorLoc() | |||
6146 | : AtomicBody->getExprLoc(); | |||
6147 | NoteRange = AtomicBinOp ? AtomicBinOp->getSourceRange() | |||
6148 | : AtomicBody->getSourceRange(); | |||
6149 | } | |||
6150 | } else { | |||
6151 | ErrorFound = NotAnExpression; | |||
6152 | NoteLoc = ErrorLoc = Body->getLocStart(); | |||
6153 | NoteRange = ErrorRange = SourceRange(NoteLoc, NoteLoc); | |||
6154 | } | |||
6155 | if (ErrorFound != NoError) { | |||
6156 | Diag(ErrorLoc, diag::err_omp_atomic_write_not_expression_statement) | |||
6157 | << ErrorRange; | |||
6158 | Diag(NoteLoc, diag::note_omp_atomic_read_write) << ErrorFound | |||
6159 | << NoteRange; | |||
6160 | return StmtError(); | |||
6161 | } else if (CurContext->isDependentContext()) | |||
6162 | E = X = nullptr; | |||
6163 | } else if (AtomicKind == OMPC_update || AtomicKind == OMPC_unknown) { | |||
6164 | // If clause is update: | |||
6165 | // x++; | |||
6166 | // x--; | |||
6167 | // ++x; | |||
6168 | // --x; | |||
6169 | // x binop= expr; | |||
6170 | // x = x binop expr; | |||
6171 | // x = expr binop x; | |||
6172 | OpenMPAtomicUpdateChecker Checker(*this); | |||
6173 | if (Checker.checkStatement( | |||
6174 | Body, (AtomicKind == OMPC_update) | |||
6175 | ? diag::err_omp_atomic_update_not_expression_statement | |||
6176 | : diag::err_omp_atomic_not_expression_statement, | |||
6177 | diag::note_omp_atomic_update)) | |||
6178 | return StmtError(); | |||
6179 | if (!CurContext->isDependentContext()) { | |||
6180 | E = Checker.getExpr(); | |||
6181 | X = Checker.getX(); | |||
6182 | UE = Checker.getUpdateExpr(); | |||
6183 | IsXLHSInRHSPart = Checker.isXLHSInRHSPart(); | |||
6184 | } | |||
6185 | } else if (AtomicKind == OMPC_capture) { | |||
6186 | enum { | |||
6187 | NotAnAssignmentOp, | |||
6188 | NotACompoundStatement, | |||
6189 | NotTwoSubstatements, | |||
6190 | NotASpecificExpression, | |||
6191 | NoError | |||
6192 | } ErrorFound = NoError; | |||
6193 | SourceLocation ErrorLoc, NoteLoc; | |||
6194 | SourceRange ErrorRange, NoteRange; | |||
6195 | if (auto *AtomicBody = dyn_cast<Expr>(Body)) { | |||
6196 | // If clause is a capture: | |||
6197 | // v = x++; | |||
6198 | // v = x--; | |||
6199 | // v = ++x; | |||
6200 | // v = --x; | |||
6201 | // v = x binop= expr; | |||
6202 | // v = x = x binop expr; | |||
6203 | // v = x = expr binop x; | |||
6204 | auto *AtomicBinOp = | |||
6205 | dyn_cast<BinaryOperator>(AtomicBody->IgnoreParenImpCasts()); | |||
6206 | if (AtomicBinOp && AtomicBinOp->getOpcode() == BO_Assign) { | |||
6207 | V = AtomicBinOp->getLHS(); | |||
6208 | Body = AtomicBinOp->getRHS()->IgnoreParenImpCasts(); | |||
6209 | OpenMPAtomicUpdateChecker Checker(*this); | |||
6210 | if (Checker.checkStatement( | |||
6211 | Body, diag::err_omp_atomic_capture_not_expression_statement, | |||
6212 | diag::note_omp_atomic_update)) | |||
6213 | return StmtError(); | |||
6214 | E = Checker.getExpr(); | |||
6215 | X = Checker.getX(); | |||
6216 | UE = Checker.getUpdateExpr(); | |||
6217 | IsXLHSInRHSPart = Checker.isXLHSInRHSPart(); | |||
6218 | IsPostfixUpdate = Checker.isPostfixUpdate(); | |||
6219 | } else if (!AtomicBody->isInstantiationDependent()) { | |||
6220 | ErrorLoc = AtomicBody->getExprLoc(); | |||
6221 | ErrorRange = AtomicBody->getSourceRange(); | |||
6222 | NoteLoc = AtomicBinOp ? AtomicBinOp->getOperatorLoc() | |||
6223 | : AtomicBody->getExprLoc(); | |||
6224 | NoteRange = AtomicBinOp ? AtomicBinOp->getSourceRange() | |||
6225 | : AtomicBody->getSourceRange(); | |||
6226 | ErrorFound = NotAnAssignmentOp; | |||
6227 | } | |||
6228 | if (ErrorFound != NoError) { | |||
6229 | Diag(ErrorLoc, diag::err_omp_atomic_capture_not_expression_statement) | |||
6230 | << ErrorRange; | |||
6231 | Diag(NoteLoc, diag::note_omp_atomic_capture) << ErrorFound << NoteRange; | |||
6232 | return StmtError(); | |||
6233 | } else if (CurContext->isDependentContext()) { | |||
6234 | UE = V = E = X = nullptr; | |||
6235 | } | |||
6236 | } else { | |||
6237 | // If clause is a capture: | |||
6238 | // { v = x; x = expr; } | |||
6239 | // { v = x; x++; } | |||
6240 | // { v = x; x--; } | |||
6241 | // { v = x; ++x; } | |||
6242 | // { v = x; --x; } | |||
6243 | // { v = x; x binop= expr; } | |||
6244 | // { v = x; x = x binop expr; } | |||
6245 | // { v = x; x = expr binop x; } | |||
6246 | // { x++; v = x; } | |||
6247 | // { x--; v = x; } | |||
6248 | // { ++x; v = x; } | |||
6249 | // { --x; v = x; } | |||
6250 | // { x binop= expr; v = x; } | |||
6251 | // { x = x binop expr; v = x; } | |||
6252 | // { x = expr binop x; v = x; } | |||
6253 | if (auto *CS = dyn_cast<CompoundStmt>(Body)) { | |||
6254 | // Check that this is { expr1; expr2; } | |||
6255 | if (CS->size() == 2) { | |||
6256 | auto *First = CS->body_front(); | |||
6257 | auto *Second = CS->body_back(); | |||
6258 | if (auto *EWC = dyn_cast<ExprWithCleanups>(First)) | |||
6259 | First = EWC->getSubExpr()->IgnoreParenImpCasts(); | |||
6260 | if (auto *EWC = dyn_cast<ExprWithCleanups>(Second)) | |||
6261 | Second = EWC->getSubExpr()->IgnoreParenImpCasts(); | |||
6262 | // Need to find what subexpression is 'v' and what is 'x'. | |||
6263 | OpenMPAtomicUpdateChecker Checker(*this); | |||
6264 | bool IsUpdateExprFound = !Checker.checkStatement(Second); | |||
6265 | BinaryOperator *BinOp = nullptr; | |||
6266 | if (IsUpdateExprFound) { | |||
6267 | BinOp = dyn_cast<BinaryOperator>(First); | |||
6268 | IsUpdateExprFound = BinOp && BinOp->getOpcode() == BO_Assign; | |||
6269 | } | |||
6270 | if (IsUpdateExprFound && !CurContext->isDependentContext()) { | |||
6271 | // { v = x; x++; } | |||
6272 | // { v = x; x--; } | |||
6273 | // { v = x; ++x; } | |||
6274 | // { v = x; --x; } | |||
6275 | // { v = x; x binop= expr; } | |||
6276 | // { v = x; x = x binop expr; } | |||
6277 | // { v = x; x = expr binop x; } | |||
6278 | // Check that the first expression has form v = x. | |||
6279 | auto *PossibleX = BinOp->getRHS()->IgnoreParenImpCasts(); | |||
6280 | llvm::FoldingSetNodeID XId, PossibleXId; | |||
6281 | Checker.getX()->Profile(XId, Context, /*Canonical=*/true); | |||
6282 | PossibleX->Profile(PossibleXId, Context, /*Canonical=*/true); | |||
6283 | IsUpdateExprFound = XId == PossibleXId; | |||
6284 | if (IsUpdateExprFound) { | |||
6285 | V = BinOp->getLHS(); | |||
6286 | X = Checker.getX(); | |||
6287 | E = Checker.getExpr(); | |||
6288 | UE = Checker.getUpdateExpr(); | |||
6289 | IsXLHSInRHSPart = Checker.isXLHSInRHSPart(); | |||
6290 | IsPostfixUpdate = true; | |||
6291 | } | |||
6292 | } | |||
6293 | if (!IsUpdateExprFound) { | |||
6294 | IsUpdateExprFound = !Checker.checkStatement(First); | |||
6295 | BinOp = nullptr; | |||
6296 | if (IsUpdateExprFound) { | |||
6297 | BinOp = dyn_cast<BinaryOperator>(Second); | |||
6298 | IsUpdateExprFound = BinOp && BinOp->getOpcode() == BO_Assign; | |||
6299 | } | |||
6300 | if (IsUpdateExprFound && !CurContext->isDependentContext()) { | |||
6301 | // { x++; v = x; } | |||
6302 | // { x--; v = x; } | |||
6303 | // { ++x; v = x; } | |||
6304 | // { --x; v = x; } | |||
6305 | // { x binop= expr; v = x; } | |||
6306 | // { x = x binop expr; v = x; } | |||
6307 | // { x = expr binop x; v = x; } | |||
6308 | // Check that the second expression has form v = x. | |||
6309 | auto *PossibleX = BinOp->getRHS()->IgnoreParenImpCasts(); | |||
6310 | llvm::FoldingSetNodeID XId, PossibleXId; | |||
6311 | Checker.getX()->Profile(XId, Context, /*Canonical=*/true); | |||
6312 | PossibleX->Profile(PossibleXId, Context, /*Canonical=*/true); | |||
6313 | IsUpdateExprFound = XId == PossibleXId; | |||
6314 | if (IsUpdateExprFound) { | |||
6315 | V = BinOp->getLHS(); | |||
6316 | X = Checker.getX(); | |||
6317 | E = Checker.getExpr(); | |||
6318 | UE = Checker.getUpdateExpr(); | |||
6319 | IsXLHSInRHSPart = Checker.isXLHSInRHSPart(); | |||
6320 | IsPostfixUpdate = false; | |||
6321 | } | |||
6322 | } | |||
6323 | } | |||
6324 | if (!IsUpdateExprFound) { | |||
6325 | // { v = x; x = expr; } | |||
6326 | auto *FirstExpr = dyn_cast<Expr>(First); | |||
6327 | auto *SecondExpr = dyn_cast<Expr>(Second); | |||
6328 | if (!FirstExpr || !SecondExpr || | |||
6329 | !(FirstExpr->isInstantiationDependent() || | |||
6330 | SecondExpr->isInstantiationDependent())) { | |||
6331 | auto *FirstBinOp = dyn_cast<BinaryOperator>(First); | |||
6332 | if (!FirstBinOp || FirstBinOp->getOpcode() != BO_Assign) { | |||
6333 | ErrorFound = NotAnAssignmentOp; | |||
6334 | NoteLoc = ErrorLoc = FirstBinOp ? FirstBinOp->getOperatorLoc() | |||
6335 | : First->getLocStart(); | |||
6336 | NoteRange = ErrorRange = FirstBinOp | |||
6337 | ? FirstBinOp->getSourceRange() | |||
6338 | : SourceRange(ErrorLoc, ErrorLoc); | |||
6339 | } else { | |||
6340 | auto *SecondBinOp = dyn_cast<BinaryOperator>(Second); | |||
6341 | if (!SecondBinOp || SecondBinOp->getOpcode() != BO_Assign) { | |||
6342 | ErrorFound = NotAnAssignmentOp; | |||
6343 | NoteLoc = ErrorLoc = SecondBinOp | |||
6344 | ? SecondBinOp->getOperatorLoc() | |||
6345 | : Second->getLocStart(); | |||
6346 | NoteRange = ErrorRange = | |||
6347 | SecondBinOp ? SecondBinOp->getSourceRange() | |||
6348 | : SourceRange(ErrorLoc, ErrorLoc); | |||
6349 | } else { | |||
6350 | auto *PossibleXRHSInFirst = | |||
6351 | FirstBinOp->getRHS()->IgnoreParenImpCasts(); | |||
6352 | auto *PossibleXLHSInSecond = | |||
6353 | SecondBinOp->getLHS()->IgnoreParenImpCasts(); | |||
6354 | llvm::FoldingSetNodeID X1Id, X2Id; | |||
6355 | PossibleXRHSInFirst->Profile(X1Id, Context, | |||
6356 | /*Canonical=*/true); | |||
6357 | PossibleXLHSInSecond->Profile(X2Id, Context, | |||
6358 | /*Canonical=*/true); | |||
6359 | IsUpdateExprFound = X1Id == X2Id; | |||
6360 | if (IsUpdateExprFound) { | |||
6361 | V = FirstBinOp->getLHS(); | |||
6362 | X = SecondBinOp->getLHS(); | |||
6363 | E = SecondBinOp->getRHS(); | |||
6364 | UE = nullptr; | |||
6365 | IsXLHSInRHSPart = false; | |||
6366 | IsPostfixUpdate = true; | |||
6367 | } else { | |||
6368 | ErrorFound = NotASpecificExpression; | |||
6369 | ErrorLoc = FirstBinOp->getExprLoc(); | |||
6370 | ErrorRange = FirstBinOp->getSourceRange(); | |||
6371 | NoteLoc = SecondBinOp->getLHS()->getExprLoc(); | |||
6372 | NoteRange = SecondBinOp->getRHS()->getSourceRange(); | |||
6373 | } | |||
6374 | } | |||
6375 | } | |||
6376 | } | |||
6377 | } | |||
6378 | } else { | |||
6379 | NoteLoc = ErrorLoc = Body->getLocStart(); | |||
6380 | NoteRange = ErrorRange = | |||
6381 | SourceRange(Body->getLocStart(), Body->getLocStart()); | |||
6382 | ErrorFound = NotTwoSubstatements; | |||
6383 | } | |||
6384 | } else { | |||
6385 | NoteLoc = ErrorLoc = Body->getLocStart(); | |||
6386 | NoteRange = ErrorRange = | |||
6387 | SourceRange(Body->getLocStart(), Body->getLocStart()); | |||
6388 | ErrorFound = NotACompoundStatement; | |||
6389 | } | |||
6390 | if (ErrorFound != NoError) { | |||
6391 | Diag(ErrorLoc, diag::err_omp_atomic_capture_not_compound_statement) | |||
6392 | << ErrorRange; | |||
6393 | Diag(NoteLoc, diag::note_omp_atomic_capture) << ErrorFound << NoteRange; | |||
6394 | return StmtError(); | |||
6395 | } else if (CurContext->isDependentContext()) { | |||
6396 | UE = V = E = X = nullptr; | |||
6397 | } | |||
6398 | } | |||
6399 | } | |||
6400 | ||||
6401 | getCurFunction()->setHasBranchProtectedScope(); | |||
6402 | ||||
6403 | return OMPAtomicDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt, | |||
6404 | X, V, E, UE, IsXLHSInRHSPart, | |||
6405 | IsPostfixUpdate); | |||
6406 | } | |||
6407 | ||||
6408 | StmtResult Sema::ActOnOpenMPTargetDirective(ArrayRef<OMPClause *> Clauses, | |||
6409 | Stmt *AStmt, | |||
6410 | SourceLocation StartLoc, | |||
6411 | SourceLocation EndLoc) { | |||
6412 | if (!AStmt) | |||
6413 | return StmtError(); | |||
6414 | ||||
6415 | CapturedStmt *CS = cast<CapturedStmt>(AStmt); | |||
6416 | // 1.2.2 OpenMP Language Terminology | |||
6417 | // Structured block - An executable statement with a single entry at the | |||
6418 | // top and a single exit at the bottom. | |||
6419 | // The point of exit cannot be a branch out of the structured block. | |||
6420 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
6421 | CS->getCapturedDecl()->setNothrow(); | |||
6422 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target); | |||
6423 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
6424 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
6425 | // 1.2.2 OpenMP Language Terminology | |||
6426 | // Structured block - An executable statement with a single entry at the | |||
6427 | // top and a single exit at the bottom. | |||
6428 | // The point of exit cannot be a branch out of the structured block. | |||
6429 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
6430 | CS->getCapturedDecl()->setNothrow(); | |||
6431 | } | |||
6432 | ||||
6433 | // OpenMP [2.16, Nesting of Regions] | |||
6434 | // If specified, a teams construct must be contained within a target | |||
6435 | // construct. That target construct must contain no statements or directives | |||
6436 | // outside of the teams construct. | |||
6437 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasInnerTeamsRegion()) { | |||
6438 | Stmt *S = CS->IgnoreContainers(/*IgnoreCaptured=*/true); | |||
6439 | bool OMPTeamsFound = true; | |||
6440 | if (auto *CS = dyn_cast<CompoundStmt>(S)) { | |||
6441 | auto I = CS->body_begin(); | |||
6442 | while (I != CS->body_end()) { | |||
6443 | auto *OED = dyn_cast<OMPExecutableDirective>(*I); | |||
6444 | if (!OED || !isOpenMPTeamsDirective(OED->getDirectiveKind())) { | |||
6445 | OMPTeamsFound = false; | |||
6446 | break; | |||
6447 | } | |||
6448 | ++I; | |||
6449 | } | |||
6450 | assert(I != CS->body_end() && "Not found statement")(static_cast <bool> (I != CS->body_end() && "Not found statement" ) ? void (0) : __assert_fail ("I != CS->body_end() && \"Not found statement\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 6450, __extension__ __PRETTY_FUNCTION__)); | |||
6451 | S = *I; | |||
6452 | } else { | |||
6453 | auto *OED = dyn_cast<OMPExecutableDirective>(S); | |||
6454 | OMPTeamsFound = OED && isOpenMPTeamsDirective(OED->getDirectiveKind()); | |||
6455 | } | |||
6456 | if (!OMPTeamsFound) { | |||
6457 | Diag(StartLoc, diag::err_omp_target_contains_not_only_teams); | |||
6458 | Diag(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getInnerTeamsRegionLoc(), | |||
6459 | diag::note_omp_nested_teams_construct_here); | |||
6460 | Diag(S->getLocStart(), diag::note_omp_nested_statement_here) | |||
6461 | << isa<OMPExecutableDirective>(S); | |||
6462 | return StmtError(); | |||
6463 | } | |||
6464 | } | |||
6465 | ||||
6466 | getCurFunction()->setHasBranchProtectedScope(); | |||
6467 | ||||
6468 | return OMPTargetDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); | |||
6469 | } | |||
6470 | ||||
6471 | StmtResult | |||
6472 | Sema::ActOnOpenMPTargetParallelDirective(ArrayRef<OMPClause *> Clauses, | |||
6473 | Stmt *AStmt, SourceLocation StartLoc, | |||
6474 | SourceLocation EndLoc) { | |||
6475 | if (!AStmt) | |||
6476 | return StmtError(); | |||
6477 | ||||
6478 | CapturedStmt *CS = cast<CapturedStmt>(AStmt); | |||
6479 | // 1.2.2 OpenMP Language Terminology | |||
6480 | // Structured block - An executable statement with a single entry at the | |||
6481 | // top and a single exit at the bottom. | |||
6482 | // The point of exit cannot be a branch out of the structured block. | |||
6483 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
6484 | CS->getCapturedDecl()->setNothrow(); | |||
6485 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_parallel); | |||
6486 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
6487 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
6488 | // 1.2.2 OpenMP Language Terminology | |||
6489 | // Structured block - An executable statement with a single entry at the | |||
6490 | // top and a single exit at the bottom. | |||
6491 | // The point of exit cannot be a branch out of the structured block. | |||
6492 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
6493 | CS->getCapturedDecl()->setNothrow(); | |||
6494 | } | |||
6495 | ||||
6496 | getCurFunction()->setHasBranchProtectedScope(); | |||
6497 | ||||
6498 | return OMPTargetParallelDirective::Create(Context, StartLoc, EndLoc, Clauses, | |||
6499 | AStmt); | |||
6500 | } | |||
6501 | ||||
6502 | StmtResult Sema::ActOnOpenMPTargetParallelForDirective( | |||
6503 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
6504 | SourceLocation EndLoc, | |||
6505 | llvm::DenseMap<ValueDecl *, Expr *> &VarsWithImplicitDSA) { | |||
6506 | if (!AStmt) | |||
6507 | return StmtError(); | |||
6508 | ||||
6509 | CapturedStmt *CS = cast<CapturedStmt>(AStmt); | |||
6510 | // 1.2.2 OpenMP Language Terminology | |||
6511 | // Structured block - An executable statement with a single entry at the | |||
6512 | // top and a single exit at the bottom. | |||
6513 | // The point of exit cannot be a branch out of the structured block. | |||
6514 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
6515 | CS->getCapturedDecl()->setNothrow(); | |||
6516 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_parallel_for); | |||
6517 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
6518 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
6519 | // 1.2.2 OpenMP Language Terminology | |||
6520 | // Structured block - An executable statement with a single entry at the | |||
6521 | // top and a single exit at the bottom. | |||
6522 | // The point of exit cannot be a branch out of the structured block. | |||
6523 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
6524 | CS->getCapturedDecl()->setNothrow(); | |||
6525 | } | |||
6526 | ||||
6527 | OMPLoopDirective::HelperExprs B; | |||
6528 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | |||
6529 | // define the nested loops number. | |||
6530 | unsigned NestedLoopCount = | |||
6531 | CheckOpenMPLoop(OMPD_target_parallel_for, getCollapseNumberExpr(Clauses), | |||
6532 | getOrderedNumberExpr(Clauses), CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
6533 | VarsWithImplicitDSA, B); | |||
6534 | if (NestedLoopCount == 0) | |||
6535 | return StmtError(); | |||
6536 | ||||
6537 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp target parallel for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target parallel for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 6538, __extension__ __PRETTY_FUNCTION__)) | |||
6538 | "omp target parallel for loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp target parallel for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target parallel for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 6538, __extension__ __PRETTY_FUNCTION__)); | |||
6539 | ||||
6540 | if (!CurContext->isDependentContext()) { | |||
6541 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
6542 | for (auto C : Clauses) { | |||
6543 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
6544 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
6545 | B.NumIterations, *this, CurScope, | |||
6546 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
6547 | return StmtError(); | |||
6548 | } | |||
6549 | } | |||
6550 | ||||
6551 | getCurFunction()->setHasBranchProtectedScope(); | |||
6552 | return OMPTargetParallelForDirective::Create(Context, StartLoc, EndLoc, | |||
6553 | NestedLoopCount, Clauses, AStmt, | |||
6554 | B, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | |||
6555 | } | |||
6556 | ||||
6557 | /// Check for existence of a map clause in the list of clauses. | |||
6558 | static bool hasClauses(ArrayRef<OMPClause *> Clauses, | |||
6559 | const OpenMPClauseKind K) { | |||
6560 | return llvm::any_of( | |||
6561 | Clauses, [K](const OMPClause *C) { return C->getClauseKind() == K; }); | |||
6562 | } | |||
6563 | ||||
6564 | template <typename... Params> | |||
6565 | static bool hasClauses(ArrayRef<OMPClause *> Clauses, const OpenMPClauseKind K, | |||
6566 | const Params... ClauseTypes) { | |||
6567 | return hasClauses(Clauses, K) || hasClauses(Clauses, ClauseTypes...); | |||
6568 | } | |||
6569 | ||||
6570 | StmtResult Sema::ActOnOpenMPTargetDataDirective(ArrayRef<OMPClause *> Clauses, | |||
6571 | Stmt *AStmt, | |||
6572 | SourceLocation StartLoc, | |||
6573 | SourceLocation EndLoc) { | |||
6574 | if (!AStmt) | |||
6575 | return StmtError(); | |||
6576 | ||||
6577 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast <bool> (isa<CapturedStmt>(AStmt) && "Captured statement expected") ? void (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 6577, __extension__ __PRETTY_FUNCTION__)); | |||
6578 | ||||
6579 | // OpenMP [2.10.1, Restrictions, p. 97] | |||
6580 | // At least one map clause must appear on the directive. | |||
6581 | if (!hasClauses(Clauses, OMPC_map, OMPC_use_device_ptr)) { | |||
6582 | Diag(StartLoc, diag::err_omp_no_clause_for_directive) | |||
6583 | << "'map' or 'use_device_ptr'" | |||
6584 | << getOpenMPDirectiveName(OMPD_target_data); | |||
6585 | return StmtError(); | |||
6586 | } | |||
6587 | ||||
6588 | getCurFunction()->setHasBranchProtectedScope(); | |||
6589 | ||||
6590 | return OMPTargetDataDirective::Create(Context, StartLoc, EndLoc, Clauses, | |||
6591 | AStmt); | |||
6592 | } | |||
6593 | ||||
6594 | StmtResult | |||
6595 | Sema::ActOnOpenMPTargetEnterDataDirective(ArrayRef<OMPClause *> Clauses, | |||
6596 | SourceLocation StartLoc, | |||
6597 | SourceLocation EndLoc, Stmt *AStmt) { | |||
6598 | if (!AStmt) | |||
6599 | return StmtError(); | |||
6600 | ||||
6601 | CapturedStmt *CS = cast<CapturedStmt>(AStmt); | |||
6602 | // 1.2.2 OpenMP Language Terminology | |||
6603 | // Structured block - An executable statement with a single entry at the | |||
6604 | // top and a single exit at the bottom. | |||
6605 | // The point of exit cannot be a branch out of the structured block. | |||
6606 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
6607 | CS->getCapturedDecl()->setNothrow(); | |||
6608 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_enter_data); | |||
6609 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
6610 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
6611 | // 1.2.2 OpenMP Language Terminology | |||
6612 | // Structured block - An executable statement with a single entry at the | |||
6613 | // top and a single exit at the bottom. | |||
6614 | // The point of exit cannot be a branch out of the structured block. | |||
6615 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
6616 | CS->getCapturedDecl()->setNothrow(); | |||
6617 | } | |||
6618 | ||||
6619 | // OpenMP [2.10.2, Restrictions, p. 99] | |||
6620 | // At least one map clause must appear on the directive. | |||
6621 | if (!hasClauses(Clauses, OMPC_map)) { | |||
6622 | Diag(StartLoc, diag::err_omp_no_clause_for_directive) | |||
6623 | << "'map'" << getOpenMPDirectiveName(OMPD_target_enter_data); | |||
6624 | return StmtError(); | |||
6625 | } | |||
6626 | ||||
6627 | return OMPTargetEnterDataDirective::Create(Context, StartLoc, EndLoc, Clauses, | |||
6628 | AStmt); | |||
6629 | } | |||
6630 | ||||
6631 | StmtResult | |||
6632 | Sema::ActOnOpenMPTargetExitDataDirective(ArrayRef<OMPClause *> Clauses, | |||
6633 | SourceLocation StartLoc, | |||
6634 | SourceLocation EndLoc, Stmt *AStmt) { | |||
6635 | if (!AStmt) | |||
6636 | return StmtError(); | |||
6637 | ||||
6638 | CapturedStmt *CS = cast<CapturedStmt>(AStmt); | |||
6639 | // 1.2.2 OpenMP Language Terminology | |||
6640 | // Structured block - An executable statement with a single entry at the | |||
6641 | // top and a single exit at the bottom. | |||
6642 | // The point of exit cannot be a branch out of the structured block. | |||
6643 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
6644 | CS->getCapturedDecl()->setNothrow(); | |||
6645 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_exit_data); | |||
6646 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
6647 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
6648 | // 1.2.2 OpenMP Language Terminology | |||
6649 | // Structured block - An executable statement with a single entry at the | |||
6650 | // top and a single exit at the bottom. | |||
6651 | // The point of exit cannot be a branch out of the structured block. | |||
6652 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
6653 | CS->getCapturedDecl()->setNothrow(); | |||
6654 | } | |||
6655 | ||||
6656 | // OpenMP [2.10.3, Restrictions, p. 102] | |||
6657 | // At least one map clause must appear on the directive. | |||
6658 | if (!hasClauses(Clauses, OMPC_map)) { | |||
6659 | Diag(StartLoc, diag::err_omp_no_clause_for_directive) | |||
6660 | << "'map'" << getOpenMPDirectiveName(OMPD_target_exit_data); | |||
6661 | return StmtError(); | |||
6662 | } | |||
6663 | ||||
6664 | return OMPTargetExitDataDirective::Create(Context, StartLoc, EndLoc, Clauses, | |||
6665 | AStmt); | |||
6666 | } | |||
6667 | ||||
6668 | StmtResult Sema::ActOnOpenMPTargetUpdateDirective(ArrayRef<OMPClause *> Clauses, | |||
6669 | SourceLocation StartLoc, | |||
6670 | SourceLocation EndLoc, | |||
6671 | Stmt *AStmt) { | |||
6672 | if (!AStmt) | |||
6673 | return StmtError(); | |||
6674 | ||||
6675 | CapturedStmt *CS = cast<CapturedStmt>(AStmt); | |||
6676 | // 1.2.2 OpenMP Language Terminology | |||
6677 | // Structured block - An executable statement with a single entry at the | |||
6678 | // top and a single exit at the bottom. | |||
6679 | // The point of exit cannot be a branch out of the structured block. | |||
6680 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
6681 | CS->getCapturedDecl()->setNothrow(); | |||
6682 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_update); | |||
6683 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
6684 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
6685 | // 1.2.2 OpenMP Language Terminology | |||
6686 | // Structured block - An executable statement with a single entry at the | |||
6687 | // top and a single exit at the bottom. | |||
6688 | // The point of exit cannot be a branch out of the structured block. | |||
6689 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
6690 | CS->getCapturedDecl()->setNothrow(); | |||
6691 | } | |||
6692 | ||||
6693 | if (!hasClauses(Clauses, OMPC_to, OMPC_from)) { | |||
6694 | Diag(StartLoc, diag::err_omp_at_least_one_motion_clause_required); | |||
6695 | return StmtError(); | |||
6696 | } | |||
6697 | return OMPTargetUpdateDirective::Create(Context, StartLoc, EndLoc, Clauses, | |||
6698 | AStmt); | |||
6699 | } | |||
6700 | ||||
6701 | StmtResult Sema::ActOnOpenMPTeamsDirective(ArrayRef<OMPClause *> Clauses, | |||
6702 | Stmt *AStmt, SourceLocation StartLoc, | |||
6703 | SourceLocation EndLoc) { | |||
6704 | if (!AStmt) | |||
6705 | return StmtError(); | |||
6706 | ||||
6707 | CapturedStmt *CS = cast<CapturedStmt>(AStmt); | |||
6708 | // 1.2.2 OpenMP Language Terminology | |||
6709 | // Structured block - An executable statement with a single entry at the | |||
6710 | // top and a single exit at the bottom. | |||
6711 | // The point of exit cannot be a branch out of the structured block. | |||
6712 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
6713 | CS->getCapturedDecl()->setNothrow(); | |||
6714 | ||||
6715 | getCurFunction()->setHasBranchProtectedScope(); | |||
6716 | ||||
6717 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); | |||
6718 | ||||
6719 | return OMPTeamsDirective::Create(Context, StartLoc, EndLoc, Clauses, AStmt); | |||
6720 | } | |||
6721 | ||||
6722 | StmtResult | |||
6723 | Sema::ActOnOpenMPCancellationPointDirective(SourceLocation StartLoc, | |||
6724 | SourceLocation EndLoc, | |||
6725 | OpenMPDirectiveKind CancelRegion) { | |||
6726 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentNowaitRegion()) { | |||
6727 | Diag(StartLoc, diag::err_omp_parent_cancel_region_nowait) << 0; | |||
6728 | return StmtError(); | |||
6729 | } | |||
6730 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentOrderedRegion()) { | |||
6731 | Diag(StartLoc, diag::err_omp_parent_cancel_region_ordered) << 0; | |||
6732 | return StmtError(); | |||
6733 | } | |||
6734 | return OMPCancellationPointDirective::Create(Context, StartLoc, EndLoc, | |||
6735 | CancelRegion); | |||
6736 | } | |||
6737 | ||||
6738 | StmtResult Sema::ActOnOpenMPCancelDirective(ArrayRef<OMPClause *> Clauses, | |||
6739 | SourceLocation StartLoc, | |||
6740 | SourceLocation EndLoc, | |||
6741 | OpenMPDirectiveKind CancelRegion) { | |||
6742 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentNowaitRegion()) { | |||
6743 | Diag(StartLoc, diag::err_omp_parent_cancel_region_nowait) << 1; | |||
6744 | return StmtError(); | |||
6745 | } | |||
6746 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentOrderedRegion()) { | |||
6747 | Diag(StartLoc, diag::err_omp_parent_cancel_region_ordered) << 1; | |||
6748 | return StmtError(); | |||
6749 | } | |||
6750 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentCancelRegion(/*Cancel=*/true); | |||
6751 | return OMPCancelDirective::Create(Context, StartLoc, EndLoc, Clauses, | |||
6752 | CancelRegion); | |||
6753 | } | |||
6754 | ||||
6755 | static bool checkGrainsizeNumTasksClauses(Sema &S, | |||
6756 | ArrayRef<OMPClause *> Clauses) { | |||
6757 | OMPClause *PrevClause = nullptr; | |||
6758 | bool ErrorFound = false; | |||
6759 | for (auto *C : Clauses) { | |||
6760 | if (C->getClauseKind() == OMPC_grainsize || | |||
6761 | C->getClauseKind() == OMPC_num_tasks) { | |||
6762 | if (!PrevClause) | |||
6763 | PrevClause = C; | |||
6764 | else if (PrevClause->getClauseKind() != C->getClauseKind()) { | |||
6765 | S.Diag(C->getLocStart(), | |||
6766 | diag::err_omp_grainsize_num_tasks_mutually_exclusive) | |||
6767 | << getOpenMPClauseName(C->getClauseKind()) | |||
6768 | << getOpenMPClauseName(PrevClause->getClauseKind()); | |||
6769 | S.Diag(PrevClause->getLocStart(), | |||
6770 | diag::note_omp_previous_grainsize_num_tasks) | |||
6771 | << getOpenMPClauseName(PrevClause->getClauseKind()); | |||
6772 | ErrorFound = true; | |||
6773 | } | |||
6774 | } | |||
6775 | } | |||
6776 | return ErrorFound; | |||
6777 | } | |||
6778 | ||||
6779 | static bool checkReductionClauseWithNogroup(Sema &S, | |||
6780 | ArrayRef<OMPClause *> Clauses) { | |||
6781 | OMPClause *ReductionClause = nullptr; | |||
6782 | OMPClause *NogroupClause = nullptr; | |||
6783 | for (auto *C : Clauses) { | |||
6784 | if (C->getClauseKind() == OMPC_reduction) { | |||
6785 | ReductionClause = C; | |||
6786 | if (NogroupClause) | |||
6787 | break; | |||
6788 | continue; | |||
6789 | } | |||
6790 | if (C->getClauseKind() == OMPC_nogroup) { | |||
6791 | NogroupClause = C; | |||
6792 | if (ReductionClause) | |||
6793 | break; | |||
6794 | continue; | |||
6795 | } | |||
6796 | } | |||
6797 | if (ReductionClause && NogroupClause) { | |||
6798 | S.Diag(ReductionClause->getLocStart(), diag::err_omp_reduction_with_nogroup) | |||
6799 | << SourceRange(NogroupClause->getLocStart(), | |||
6800 | NogroupClause->getLocEnd()); | |||
6801 | return true; | |||
6802 | } | |||
6803 | return false; | |||
6804 | } | |||
6805 | ||||
6806 | StmtResult Sema::ActOnOpenMPTaskLoopDirective( | |||
6807 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
6808 | SourceLocation EndLoc, | |||
6809 | llvm::DenseMap<ValueDecl *, Expr *> &VarsWithImplicitDSA) { | |||
6810 | if (!AStmt) | |||
6811 | return StmtError(); | |||
6812 | ||||
6813 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast <bool> (isa<CapturedStmt>(AStmt) && "Captured statement expected") ? void (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 6813, __extension__ __PRETTY_FUNCTION__)); | |||
6814 | OMPLoopDirective::HelperExprs B; | |||
6815 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | |||
6816 | // define the nested loops number. | |||
6817 | unsigned NestedLoopCount = | |||
6818 | CheckOpenMPLoop(OMPD_taskloop, getCollapseNumberExpr(Clauses), | |||
6819 | /*OrderedLoopCountExpr=*/nullptr, AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
6820 | VarsWithImplicitDSA, B); | |||
6821 | if (NestedLoopCount == 0) | |||
6822 | return StmtError(); | |||
6823 | ||||
6824 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 6825, __extension__ __PRETTY_FUNCTION__)) | |||
6825 | "omp for loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 6825, __extension__ __PRETTY_FUNCTION__)); | |||
6826 | ||||
6827 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | |||
6828 | // The grainsize clause and num_tasks clause are mutually exclusive and may | |||
6829 | // not appear on the same taskloop directive. | |||
6830 | if (checkGrainsizeNumTasksClauses(*this, Clauses)) | |||
6831 | return StmtError(); | |||
6832 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | |||
6833 | // If a reduction clause is present on the taskloop directive, the nogroup | |||
6834 | // clause must not be specified. | |||
6835 | if (checkReductionClauseWithNogroup(*this, Clauses)) | |||
6836 | return StmtError(); | |||
6837 | ||||
6838 | getCurFunction()->setHasBranchProtectedScope(); | |||
6839 | return OMPTaskLoopDirective::Create(Context, StartLoc, EndLoc, | |||
6840 | NestedLoopCount, Clauses, AStmt, B); | |||
6841 | } | |||
6842 | ||||
6843 | StmtResult Sema::ActOnOpenMPTaskLoopSimdDirective( | |||
6844 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
6845 | SourceLocation EndLoc, | |||
6846 | llvm::DenseMap<ValueDecl *, Expr *> &VarsWithImplicitDSA) { | |||
6847 | if (!AStmt) | |||
6848 | return StmtError(); | |||
6849 | ||||
6850 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast <bool> (isa<CapturedStmt>(AStmt) && "Captured statement expected") ? void (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 6850, __extension__ __PRETTY_FUNCTION__)); | |||
6851 | OMPLoopDirective::HelperExprs B; | |||
6852 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | |||
6853 | // define the nested loops number. | |||
6854 | unsigned NestedLoopCount = | |||
6855 | CheckOpenMPLoop(OMPD_taskloop_simd, getCollapseNumberExpr(Clauses), | |||
6856 | /*OrderedLoopCountExpr=*/nullptr, AStmt, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
6857 | VarsWithImplicitDSA, B); | |||
6858 | if (NestedLoopCount == 0) | |||
6859 | return StmtError(); | |||
6860 | ||||
6861 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 6862, __extension__ __PRETTY_FUNCTION__)) | |||
6862 | "omp for loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 6862, __extension__ __PRETTY_FUNCTION__)); | |||
6863 | ||||
6864 | if (!CurContext->isDependentContext()) { | |||
6865 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
6866 | for (auto C : Clauses) { | |||
6867 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
6868 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
6869 | B.NumIterations, *this, CurScope, | |||
6870 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
6871 | return StmtError(); | |||
6872 | } | |||
6873 | } | |||
6874 | ||||
6875 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | |||
6876 | // The grainsize clause and num_tasks clause are mutually exclusive and may | |||
6877 | // not appear on the same taskloop directive. | |||
6878 | if (checkGrainsizeNumTasksClauses(*this, Clauses)) | |||
6879 | return StmtError(); | |||
6880 | // OpenMP, [2.9.2 taskloop Construct, Restrictions] | |||
6881 | // If a reduction clause is present on the taskloop directive, the nogroup | |||
6882 | // clause must not be specified. | |||
6883 | if (checkReductionClauseWithNogroup(*this, Clauses)) | |||
6884 | return StmtError(); | |||
6885 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | |||
6886 | return StmtError(); | |||
6887 | ||||
6888 | getCurFunction()->setHasBranchProtectedScope(); | |||
6889 | return OMPTaskLoopSimdDirective::Create(Context, StartLoc, EndLoc, | |||
6890 | NestedLoopCount, Clauses, AStmt, B); | |||
6891 | } | |||
6892 | ||||
6893 | StmtResult Sema::ActOnOpenMPDistributeDirective( | |||
6894 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
6895 | SourceLocation EndLoc, | |||
6896 | llvm::DenseMap<ValueDecl *, Expr *> &VarsWithImplicitDSA) { | |||
6897 | if (!AStmt) | |||
6898 | return StmtError(); | |||
6899 | ||||
6900 | assert(isa<CapturedStmt>(AStmt) && "Captured statement expected")(static_cast <bool> (isa<CapturedStmt>(AStmt) && "Captured statement expected") ? void (0) : __assert_fail ("isa<CapturedStmt>(AStmt) && \"Captured statement expected\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 6900, __extension__ __PRETTY_FUNCTION__)); | |||
6901 | OMPLoopDirective::HelperExprs B; | |||
6902 | // In presence of clause 'collapse' with number of loops, it will | |||
6903 | // define the nested loops number. | |||
6904 | unsigned NestedLoopCount = | |||
6905 | CheckOpenMPLoop(OMPD_distribute, getCollapseNumberExpr(Clauses), | |||
6906 | nullptr /*ordered not a clause on distribute*/, AStmt, | |||
6907 | *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); | |||
6908 | if (NestedLoopCount == 0) | |||
6909 | return StmtError(); | |||
6910 | ||||
6911 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 6912, __extension__ __PRETTY_FUNCTION__)) | |||
6912 | "omp for loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 6912, __extension__ __PRETTY_FUNCTION__)); | |||
6913 | ||||
6914 | getCurFunction()->setHasBranchProtectedScope(); | |||
6915 | return OMPDistributeDirective::Create(Context, StartLoc, EndLoc, | |||
6916 | NestedLoopCount, Clauses, AStmt, B); | |||
6917 | } | |||
6918 | ||||
6919 | StmtResult Sema::ActOnOpenMPDistributeParallelForDirective( | |||
6920 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
6921 | SourceLocation EndLoc, | |||
6922 | llvm::DenseMap<ValueDecl *, Expr *> &VarsWithImplicitDSA) { | |||
6923 | if (!AStmt) | |||
6924 | return StmtError(); | |||
6925 | ||||
6926 | CapturedStmt *CS = cast<CapturedStmt>(AStmt); | |||
6927 | // 1.2.2 OpenMP Language Terminology | |||
6928 | // Structured block - An executable statement with a single entry at the | |||
6929 | // top and a single exit at the bottom. | |||
6930 | // The point of exit cannot be a branch out of the structured block. | |||
6931 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
6932 | CS->getCapturedDecl()->setNothrow(); | |||
6933 | for (int ThisCaptureLevel = | |||
6934 | getOpenMPCaptureLevels(OMPD_distribute_parallel_for); | |||
6935 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
6936 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
6937 | // 1.2.2 OpenMP Language Terminology | |||
6938 | // Structured block - An executable statement with a single entry at the | |||
6939 | // top and a single exit at the bottom. | |||
6940 | // The point of exit cannot be a branch out of the structured block. | |||
6941 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
6942 | CS->getCapturedDecl()->setNothrow(); | |||
6943 | } | |||
6944 | ||||
6945 | OMPLoopDirective::HelperExprs B; | |||
6946 | // In presence of clause 'collapse' with number of loops, it will | |||
6947 | // define the nested loops number. | |||
6948 | unsigned NestedLoopCount = CheckOpenMPLoop( | |||
6949 | OMPD_distribute_parallel_for, getCollapseNumberExpr(Clauses), | |||
6950 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
6951 | VarsWithImplicitDSA, B); | |||
6952 | if (NestedLoopCount == 0) | |||
6953 | return StmtError(); | |||
6954 | ||||
6955 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 6956, __extension__ __PRETTY_FUNCTION__)) | |||
6956 | "omp for loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 6956, __extension__ __PRETTY_FUNCTION__)); | |||
6957 | ||||
6958 | getCurFunction()->setHasBranchProtectedScope(); | |||
6959 | return OMPDistributeParallelForDirective::Create( | |||
6960 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, | |||
6961 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | |||
6962 | } | |||
6963 | ||||
6964 | StmtResult Sema::ActOnOpenMPDistributeParallelForSimdDirective( | |||
6965 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
6966 | SourceLocation EndLoc, | |||
6967 | llvm::DenseMap<ValueDecl *, Expr *> &VarsWithImplicitDSA) { | |||
6968 | if (!AStmt) | |||
6969 | return StmtError(); | |||
6970 | ||||
6971 | CapturedStmt *CS = cast<CapturedStmt>(AStmt); | |||
6972 | // 1.2.2 OpenMP Language Terminology | |||
6973 | // Structured block - An executable statement with a single entry at the | |||
6974 | // top and a single exit at the bottom. | |||
6975 | // The point of exit cannot be a branch out of the structured block. | |||
6976 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
6977 | CS->getCapturedDecl()->setNothrow(); | |||
6978 | for (int ThisCaptureLevel = | |||
6979 | getOpenMPCaptureLevels(OMPD_distribute_parallel_for_simd); | |||
6980 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
6981 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
6982 | // 1.2.2 OpenMP Language Terminology | |||
6983 | // Structured block - An executable statement with a single entry at the | |||
6984 | // top and a single exit at the bottom. | |||
6985 | // The point of exit cannot be a branch out of the structured block. | |||
6986 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
6987 | CS->getCapturedDecl()->setNothrow(); | |||
6988 | } | |||
6989 | ||||
6990 | OMPLoopDirective::HelperExprs B; | |||
6991 | // In presence of clause 'collapse' with number of loops, it will | |||
6992 | // define the nested loops number. | |||
6993 | unsigned NestedLoopCount = CheckOpenMPLoop( | |||
6994 | OMPD_distribute_parallel_for_simd, getCollapseNumberExpr(Clauses), | |||
6995 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
6996 | VarsWithImplicitDSA, B); | |||
6997 | if (NestedLoopCount == 0) | |||
6998 | return StmtError(); | |||
6999 | ||||
7000 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7001, __extension__ __PRETTY_FUNCTION__)) | |||
7001 | "omp for loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7001, __extension__ __PRETTY_FUNCTION__)); | |||
7002 | ||||
7003 | if (!CurContext->isDependentContext()) { | |||
7004 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
7005 | for (auto C : Clauses) { | |||
7006 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
7007 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
7008 | B.NumIterations, *this, CurScope, | |||
7009 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
7010 | return StmtError(); | |||
7011 | } | |||
7012 | } | |||
7013 | ||||
7014 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | |||
7015 | return StmtError(); | |||
7016 | ||||
7017 | getCurFunction()->setHasBranchProtectedScope(); | |||
7018 | return OMPDistributeParallelForSimdDirective::Create( | |||
7019 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | |||
7020 | } | |||
7021 | ||||
7022 | StmtResult Sema::ActOnOpenMPDistributeSimdDirective( | |||
7023 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
7024 | SourceLocation EndLoc, | |||
7025 | llvm::DenseMap<ValueDecl *, Expr *> &VarsWithImplicitDSA) { | |||
7026 | if (!AStmt) | |||
7027 | return StmtError(); | |||
7028 | ||||
7029 | CapturedStmt *CS = cast<CapturedStmt>(AStmt); | |||
7030 | // 1.2.2 OpenMP Language Terminology | |||
7031 | // Structured block - An executable statement with a single entry at the | |||
7032 | // top and a single exit at the bottom. | |||
7033 | // The point of exit cannot be a branch out of the structured block. | |||
7034 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
7035 | CS->getCapturedDecl()->setNothrow(); | |||
7036 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_distribute_simd); | |||
7037 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
7038 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
7039 | // 1.2.2 OpenMP Language Terminology | |||
7040 | // Structured block - An executable statement with a single entry at the | |||
7041 | // top and a single exit at the bottom. | |||
7042 | // The point of exit cannot be a branch out of the structured block. | |||
7043 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
7044 | CS->getCapturedDecl()->setNothrow(); | |||
7045 | } | |||
7046 | ||||
7047 | OMPLoopDirective::HelperExprs B; | |||
7048 | // In presence of clause 'collapse' with number of loops, it will | |||
7049 | // define the nested loops number. | |||
7050 | unsigned NestedLoopCount = | |||
7051 | CheckOpenMPLoop(OMPD_distribute_simd, getCollapseNumberExpr(Clauses), | |||
7052 | nullptr /*ordered not a clause on distribute*/, CS, *this, | |||
7053 | *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); | |||
7054 | if (NestedLoopCount == 0) | |||
7055 | return StmtError(); | |||
7056 | ||||
7057 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7058, __extension__ __PRETTY_FUNCTION__)) | |||
7058 | "omp for loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7058, __extension__ __PRETTY_FUNCTION__)); | |||
7059 | ||||
7060 | if (!CurContext->isDependentContext()) { | |||
7061 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
7062 | for (auto C : Clauses) { | |||
7063 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
7064 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
7065 | B.NumIterations, *this, CurScope, | |||
7066 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
7067 | return StmtError(); | |||
7068 | } | |||
7069 | } | |||
7070 | ||||
7071 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | |||
7072 | return StmtError(); | |||
7073 | ||||
7074 | getCurFunction()->setHasBranchProtectedScope(); | |||
7075 | return OMPDistributeSimdDirective::Create(Context, StartLoc, EndLoc, | |||
7076 | NestedLoopCount, Clauses, AStmt, B); | |||
7077 | } | |||
7078 | ||||
7079 | StmtResult Sema::ActOnOpenMPTargetParallelForSimdDirective( | |||
7080 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
7081 | SourceLocation EndLoc, | |||
7082 | llvm::DenseMap<ValueDecl *, Expr *> &VarsWithImplicitDSA) { | |||
7083 | if (!AStmt) | |||
7084 | return StmtError(); | |||
7085 | ||||
7086 | CapturedStmt *CS = cast<CapturedStmt>(AStmt); | |||
7087 | // 1.2.2 OpenMP Language Terminology | |||
7088 | // Structured block - An executable statement with a single entry at the | |||
7089 | // top and a single exit at the bottom. | |||
7090 | // The point of exit cannot be a branch out of the structured block. | |||
7091 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
7092 | CS->getCapturedDecl()->setNothrow(); | |||
7093 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_parallel_for); | |||
7094 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
7095 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
7096 | // 1.2.2 OpenMP Language Terminology | |||
7097 | // Structured block - An executable statement with a single entry at the | |||
7098 | // top and a single exit at the bottom. | |||
7099 | // The point of exit cannot be a branch out of the structured block. | |||
7100 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
7101 | CS->getCapturedDecl()->setNothrow(); | |||
7102 | } | |||
7103 | ||||
7104 | OMPLoopDirective::HelperExprs B; | |||
7105 | // In presence of clause 'collapse' or 'ordered' with number of loops, it will | |||
7106 | // define the nested loops number. | |||
7107 | unsigned NestedLoopCount = CheckOpenMPLoop( | |||
7108 | OMPD_target_parallel_for_simd, getCollapseNumberExpr(Clauses), | |||
7109 | getOrderedNumberExpr(Clauses), CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
7110 | VarsWithImplicitDSA, B); | |||
7111 | if (NestedLoopCount == 0) | |||
7112 | return StmtError(); | |||
7113 | ||||
7114 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp target parallel for simd loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target parallel for simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7115, __extension__ __PRETTY_FUNCTION__)) | |||
7115 | "omp target parallel for simd loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp target parallel for simd loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target parallel for simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7115, __extension__ __PRETTY_FUNCTION__)); | |||
7116 | ||||
7117 | if (!CurContext->isDependentContext()) { | |||
7118 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
7119 | for (auto C : Clauses) { | |||
7120 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
7121 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
7122 | B.NumIterations, *this, CurScope, | |||
7123 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
7124 | return StmtError(); | |||
7125 | } | |||
7126 | } | |||
7127 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | |||
7128 | return StmtError(); | |||
7129 | ||||
7130 | getCurFunction()->setHasBranchProtectedScope(); | |||
7131 | return OMPTargetParallelForSimdDirective::Create( | |||
7132 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | |||
7133 | } | |||
7134 | ||||
7135 | StmtResult Sema::ActOnOpenMPTargetSimdDirective( | |||
7136 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
7137 | SourceLocation EndLoc, | |||
7138 | llvm::DenseMap<ValueDecl *, Expr *> &VarsWithImplicitDSA) { | |||
7139 | if (!AStmt) | |||
7140 | return StmtError(); | |||
7141 | ||||
7142 | CapturedStmt *CS = cast<CapturedStmt>(AStmt); | |||
7143 | // 1.2.2 OpenMP Language Terminology | |||
7144 | // Structured block - An executable statement with a single entry at the | |||
7145 | // top and a single exit at the bottom. | |||
7146 | // The point of exit cannot be a branch out of the structured block. | |||
7147 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
7148 | CS->getCapturedDecl()->setNothrow(); | |||
7149 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_simd); | |||
7150 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
7151 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
7152 | // 1.2.2 OpenMP Language Terminology | |||
7153 | // Structured block - An executable statement with a single entry at the | |||
7154 | // top and a single exit at the bottom. | |||
7155 | // The point of exit cannot be a branch out of the structured block. | |||
7156 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
7157 | CS->getCapturedDecl()->setNothrow(); | |||
7158 | } | |||
7159 | ||||
7160 | OMPLoopDirective::HelperExprs B; | |||
7161 | // In presence of clause 'collapse' with number of loops, it will define the | |||
7162 | // nested loops number. | |||
7163 | unsigned NestedLoopCount = | |||
7164 | CheckOpenMPLoop(OMPD_target_simd, getCollapseNumberExpr(Clauses), | |||
7165 | getOrderedNumberExpr(Clauses), CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
7166 | VarsWithImplicitDSA, B); | |||
7167 | if (NestedLoopCount == 0) | |||
7168 | return StmtError(); | |||
7169 | ||||
7170 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp target simd loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7171, __extension__ __PRETTY_FUNCTION__)) | |||
7171 | "omp target simd loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp target simd loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7171, __extension__ __PRETTY_FUNCTION__)); | |||
7172 | ||||
7173 | if (!CurContext->isDependentContext()) { | |||
7174 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
7175 | for (auto C : Clauses) { | |||
7176 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
7177 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
7178 | B.NumIterations, *this, CurScope, | |||
7179 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
7180 | return StmtError(); | |||
7181 | } | |||
7182 | } | |||
7183 | ||||
7184 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | |||
7185 | return StmtError(); | |||
7186 | ||||
7187 | getCurFunction()->setHasBranchProtectedScope(); | |||
7188 | return OMPTargetSimdDirective::Create(Context, StartLoc, EndLoc, | |||
7189 | NestedLoopCount, Clauses, AStmt, B); | |||
7190 | } | |||
7191 | ||||
7192 | StmtResult Sema::ActOnOpenMPTeamsDistributeDirective( | |||
7193 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
7194 | SourceLocation EndLoc, | |||
7195 | llvm::DenseMap<ValueDecl *, Expr *> &VarsWithImplicitDSA) { | |||
7196 | if (!AStmt) | |||
7197 | return StmtError(); | |||
7198 | ||||
7199 | CapturedStmt *CS = cast<CapturedStmt>(AStmt); | |||
7200 | // 1.2.2 OpenMP Language Terminology | |||
7201 | // Structured block - An executable statement with a single entry at the | |||
7202 | // top and a single exit at the bottom. | |||
7203 | // The point of exit cannot be a branch out of the structured block. | |||
7204 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
7205 | CS->getCapturedDecl()->setNothrow(); | |||
7206 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_teams_distribute); | |||
7207 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
7208 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
7209 | // 1.2.2 OpenMP Language Terminology | |||
7210 | // Structured block - An executable statement with a single entry at the | |||
7211 | // top and a single exit at the bottom. | |||
7212 | // The point of exit cannot be a branch out of the structured block. | |||
7213 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
7214 | CS->getCapturedDecl()->setNothrow(); | |||
7215 | } | |||
7216 | ||||
7217 | OMPLoopDirective::HelperExprs B; | |||
7218 | // In presence of clause 'collapse' with number of loops, it will | |||
7219 | // define the nested loops number. | |||
7220 | unsigned NestedLoopCount = | |||
7221 | CheckOpenMPLoop(OMPD_teams_distribute, getCollapseNumberExpr(Clauses), | |||
7222 | nullptr /*ordered not a clause on distribute*/, CS, *this, | |||
7223 | *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); | |||
7224 | if (NestedLoopCount == 0) | |||
7225 | return StmtError(); | |||
7226 | ||||
7227 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp teams distribute loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp teams distribute loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7228, __extension__ __PRETTY_FUNCTION__)) | |||
7228 | "omp teams distribute loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp teams distribute loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp teams distribute loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7228, __extension__ __PRETTY_FUNCTION__)); | |||
7229 | ||||
7230 | getCurFunction()->setHasBranchProtectedScope(); | |||
7231 | ||||
7232 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); | |||
7233 | ||||
7234 | return OMPTeamsDistributeDirective::Create( | |||
7235 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | |||
7236 | } | |||
7237 | ||||
7238 | StmtResult Sema::ActOnOpenMPTeamsDistributeSimdDirective( | |||
7239 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
7240 | SourceLocation EndLoc, | |||
7241 | llvm::DenseMap<ValueDecl *, Expr *> &VarsWithImplicitDSA) { | |||
7242 | if (!AStmt) | |||
7243 | return StmtError(); | |||
7244 | ||||
7245 | CapturedStmt *CS = cast<CapturedStmt>(AStmt); | |||
7246 | // 1.2.2 OpenMP Language Terminology | |||
7247 | // Structured block - An executable statement with a single entry at the | |||
7248 | // top and a single exit at the bottom. | |||
7249 | // The point of exit cannot be a branch out of the structured block. | |||
7250 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
7251 | CS->getCapturedDecl()->setNothrow(); | |||
7252 | for (int ThisCaptureLevel = | |||
7253 | getOpenMPCaptureLevels(OMPD_teams_distribute_simd); | |||
7254 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
7255 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
7256 | // 1.2.2 OpenMP Language Terminology | |||
7257 | // Structured block - An executable statement with a single entry at the | |||
7258 | // top and a single exit at the bottom. | |||
7259 | // The point of exit cannot be a branch out of the structured block. | |||
7260 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
7261 | CS->getCapturedDecl()->setNothrow(); | |||
7262 | } | |||
7263 | ||||
7264 | ||||
7265 | OMPLoopDirective::HelperExprs B; | |||
7266 | // In presence of clause 'collapse' with number of loops, it will | |||
7267 | // define the nested loops number. | |||
7268 | unsigned NestedLoopCount = CheckOpenMPLoop( | |||
7269 | OMPD_teams_distribute_simd, getCollapseNumberExpr(Clauses), | |||
7270 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
7271 | VarsWithImplicitDSA, B); | |||
7272 | ||||
7273 | if (NestedLoopCount == 0) | |||
7274 | return StmtError(); | |||
7275 | ||||
7276 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp teams distribute simd loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp teams distribute simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7277, __extension__ __PRETTY_FUNCTION__)) | |||
7277 | "omp teams distribute simd loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp teams distribute simd loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp teams distribute simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7277, __extension__ __PRETTY_FUNCTION__)); | |||
7278 | ||||
7279 | if (!CurContext->isDependentContext()) { | |||
7280 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
7281 | for (auto C : Clauses) { | |||
7282 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
7283 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
7284 | B.NumIterations, *this, CurScope, | |||
7285 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
7286 | return StmtError(); | |||
7287 | } | |||
7288 | } | |||
7289 | ||||
7290 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | |||
7291 | return StmtError(); | |||
7292 | ||||
7293 | getCurFunction()->setHasBranchProtectedScope(); | |||
7294 | ||||
7295 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); | |||
7296 | ||||
7297 | return OMPTeamsDistributeSimdDirective::Create( | |||
7298 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | |||
7299 | } | |||
7300 | ||||
7301 | StmtResult Sema::ActOnOpenMPTeamsDistributeParallelForSimdDirective( | |||
7302 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
7303 | SourceLocation EndLoc, | |||
7304 | llvm::DenseMap<ValueDecl *, Expr *> &VarsWithImplicitDSA) { | |||
7305 | if (!AStmt) | |||
7306 | return StmtError(); | |||
7307 | ||||
7308 | CapturedStmt *CS = cast<CapturedStmt>(AStmt); | |||
7309 | // 1.2.2 OpenMP Language Terminology | |||
7310 | // Structured block - An executable statement with a single entry at the | |||
7311 | // top and a single exit at the bottom. | |||
7312 | // The point of exit cannot be a branch out of the structured block. | |||
7313 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
7314 | CS->getCapturedDecl()->setNothrow(); | |||
7315 | ||||
7316 | for (int ThisCaptureLevel = | |||
7317 | getOpenMPCaptureLevels(OMPD_teams_distribute_parallel_for_simd); | |||
7318 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
7319 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
7320 | // 1.2.2 OpenMP Language Terminology | |||
7321 | // Structured block - An executable statement with a single entry at the | |||
7322 | // top and a single exit at the bottom. | |||
7323 | // The point of exit cannot be a branch out of the structured block. | |||
7324 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
7325 | CS->getCapturedDecl()->setNothrow(); | |||
7326 | } | |||
7327 | ||||
7328 | OMPLoopDirective::HelperExprs B; | |||
7329 | // In presence of clause 'collapse' with number of loops, it will | |||
7330 | // define the nested loops number. | |||
7331 | auto NestedLoopCount = CheckOpenMPLoop( | |||
7332 | OMPD_teams_distribute_parallel_for_simd, getCollapseNumberExpr(Clauses), | |||
7333 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
7334 | VarsWithImplicitDSA, B); | |||
7335 | ||||
7336 | if (NestedLoopCount == 0) | |||
7337 | return StmtError(); | |||
7338 | ||||
7339 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7340, __extension__ __PRETTY_FUNCTION__)) | |||
7340 | "omp for loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7340, __extension__ __PRETTY_FUNCTION__)); | |||
7341 | ||||
7342 | if (!CurContext->isDependentContext()) { | |||
7343 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
7344 | for (auto C : Clauses) { | |||
7345 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
7346 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
7347 | B.NumIterations, *this, CurScope, | |||
7348 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
7349 | return StmtError(); | |||
7350 | } | |||
7351 | } | |||
7352 | ||||
7353 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | |||
7354 | return StmtError(); | |||
7355 | ||||
7356 | getCurFunction()->setHasBranchProtectedScope(); | |||
7357 | ||||
7358 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); | |||
7359 | ||||
7360 | return OMPTeamsDistributeParallelForSimdDirective::Create( | |||
7361 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | |||
7362 | } | |||
7363 | ||||
7364 | StmtResult Sema::ActOnOpenMPTeamsDistributeParallelForDirective( | |||
7365 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
7366 | SourceLocation EndLoc, | |||
7367 | llvm::DenseMap<ValueDecl *, Expr *> &VarsWithImplicitDSA) { | |||
7368 | if (!AStmt) | |||
7369 | return StmtError(); | |||
7370 | ||||
7371 | CapturedStmt *CS = cast<CapturedStmt>(AStmt); | |||
7372 | // 1.2.2 OpenMP Language Terminology | |||
7373 | // Structured block - An executable statement with a single entry at the | |||
7374 | // top and a single exit at the bottom. | |||
7375 | // The point of exit cannot be a branch out of the structured block. | |||
7376 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
7377 | CS->getCapturedDecl()->setNothrow(); | |||
7378 | ||||
7379 | for (int ThisCaptureLevel = | |||
7380 | getOpenMPCaptureLevels(OMPD_teams_distribute_parallel_for); | |||
7381 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
7382 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
7383 | // 1.2.2 OpenMP Language Terminology | |||
7384 | // Structured block - An executable statement with a single entry at the | |||
7385 | // top and a single exit at the bottom. | |||
7386 | // The point of exit cannot be a branch out of the structured block. | |||
7387 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
7388 | CS->getCapturedDecl()->setNothrow(); | |||
7389 | } | |||
7390 | ||||
7391 | OMPLoopDirective::HelperExprs B; | |||
7392 | // In presence of clause 'collapse' with number of loops, it will | |||
7393 | // define the nested loops number. | |||
7394 | unsigned NestedLoopCount = CheckOpenMPLoop( | |||
7395 | OMPD_teams_distribute_parallel_for, getCollapseNumberExpr(Clauses), | |||
7396 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
7397 | VarsWithImplicitDSA, B); | |||
7398 | ||||
7399 | if (NestedLoopCount == 0) | |||
7400 | return StmtError(); | |||
7401 | ||||
7402 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7403, __extension__ __PRETTY_FUNCTION__)) | |||
7403 | "omp for loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7403, __extension__ __PRETTY_FUNCTION__)); | |||
7404 | ||||
7405 | getCurFunction()->setHasBranchProtectedScope(); | |||
7406 | ||||
7407 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setParentTeamsRegionLoc(StartLoc); | |||
7408 | ||||
7409 | return OMPTeamsDistributeParallelForDirective::Create( | |||
7410 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, | |||
7411 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | |||
7412 | } | |||
7413 | ||||
7414 | StmtResult Sema::ActOnOpenMPTargetTeamsDirective(ArrayRef<OMPClause *> Clauses, | |||
7415 | Stmt *AStmt, | |||
7416 | SourceLocation StartLoc, | |||
7417 | SourceLocation EndLoc) { | |||
7418 | if (!AStmt) | |||
7419 | return StmtError(); | |||
7420 | ||||
7421 | CapturedStmt *CS = cast<CapturedStmt>(AStmt); | |||
7422 | // 1.2.2 OpenMP Language Terminology | |||
7423 | // Structured block - An executable statement with a single entry at the | |||
7424 | // top and a single exit at the bottom. | |||
7425 | // The point of exit cannot be a branch out of the structured block. | |||
7426 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
7427 | CS->getCapturedDecl()->setNothrow(); | |||
7428 | ||||
7429 | for (int ThisCaptureLevel = getOpenMPCaptureLevels(OMPD_target_teams); | |||
7430 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
7431 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
7432 | // 1.2.2 OpenMP Language Terminology | |||
7433 | // Structured block - An executable statement with a single entry at the | |||
7434 | // top and a single exit at the bottom. | |||
7435 | // The point of exit cannot be a branch out of the structured block. | |||
7436 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
7437 | CS->getCapturedDecl()->setNothrow(); | |||
7438 | } | |||
7439 | getCurFunction()->setHasBranchProtectedScope(); | |||
7440 | ||||
7441 | return OMPTargetTeamsDirective::Create(Context, StartLoc, EndLoc, Clauses, | |||
7442 | AStmt); | |||
7443 | } | |||
7444 | ||||
7445 | StmtResult Sema::ActOnOpenMPTargetTeamsDistributeDirective( | |||
7446 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
7447 | SourceLocation EndLoc, | |||
7448 | llvm::DenseMap<ValueDecl *, Expr *> &VarsWithImplicitDSA) { | |||
7449 | if (!AStmt) | |||
7450 | return StmtError(); | |||
7451 | ||||
7452 | CapturedStmt *CS = cast<CapturedStmt>(AStmt); | |||
7453 | // 1.2.2 OpenMP Language Terminology | |||
7454 | // Structured block - An executable statement with a single entry at the | |||
7455 | // top and a single exit at the bottom. | |||
7456 | // The point of exit cannot be a branch out of the structured block. | |||
7457 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
7458 | CS->getCapturedDecl()->setNothrow(); | |||
7459 | for (int ThisCaptureLevel = | |||
7460 | getOpenMPCaptureLevels(OMPD_target_teams_distribute); | |||
7461 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
7462 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
7463 | // 1.2.2 OpenMP Language Terminology | |||
7464 | // Structured block - An executable statement with a single entry at the | |||
7465 | // top and a single exit at the bottom. | |||
7466 | // The point of exit cannot be a branch out of the structured block. | |||
7467 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
7468 | CS->getCapturedDecl()->setNothrow(); | |||
7469 | } | |||
7470 | ||||
7471 | OMPLoopDirective::HelperExprs B; | |||
7472 | // In presence of clause 'collapse' with number of loops, it will | |||
7473 | // define the nested loops number. | |||
7474 | auto NestedLoopCount = CheckOpenMPLoop( | |||
7475 | OMPD_target_teams_distribute, getCollapseNumberExpr(Clauses), | |||
7476 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
7477 | VarsWithImplicitDSA, B); | |||
7478 | if (NestedLoopCount == 0) | |||
7479 | return StmtError(); | |||
7480 | ||||
7481 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp target teams distribute loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target teams distribute loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7482, __extension__ __PRETTY_FUNCTION__)) | |||
7482 | "omp target teams distribute loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp target teams distribute loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target teams distribute loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7482, __extension__ __PRETTY_FUNCTION__)); | |||
7483 | ||||
7484 | getCurFunction()->setHasBranchProtectedScope(); | |||
7485 | return OMPTargetTeamsDistributeDirective::Create( | |||
7486 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | |||
7487 | } | |||
7488 | ||||
7489 | StmtResult Sema::ActOnOpenMPTargetTeamsDistributeParallelForDirective( | |||
7490 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
7491 | SourceLocation EndLoc, | |||
7492 | llvm::DenseMap<ValueDecl *, Expr *> &VarsWithImplicitDSA) { | |||
7493 | if (!AStmt) | |||
7494 | return StmtError(); | |||
7495 | ||||
7496 | CapturedStmt *CS = cast<CapturedStmt>(AStmt); | |||
7497 | // 1.2.2 OpenMP Language Terminology | |||
7498 | // Structured block - An executable statement with a single entry at the | |||
7499 | // top and a single exit at the bottom. | |||
7500 | // The point of exit cannot be a branch out of the structured block. | |||
7501 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
7502 | CS->getCapturedDecl()->setNothrow(); | |||
7503 | for (int ThisCaptureLevel = | |||
7504 | getOpenMPCaptureLevels(OMPD_target_teams_distribute_parallel_for); | |||
7505 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
7506 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
7507 | // 1.2.2 OpenMP Language Terminology | |||
7508 | // Structured block - An executable statement with a single entry at the | |||
7509 | // top and a single exit at the bottom. | |||
7510 | // The point of exit cannot be a branch out of the structured block. | |||
7511 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
7512 | CS->getCapturedDecl()->setNothrow(); | |||
7513 | } | |||
7514 | ||||
7515 | OMPLoopDirective::HelperExprs B; | |||
7516 | // In presence of clause 'collapse' with number of loops, it will | |||
7517 | // define the nested loops number. | |||
7518 | auto NestedLoopCount = CheckOpenMPLoop( | |||
7519 | OMPD_target_teams_distribute_parallel_for, getCollapseNumberExpr(Clauses), | |||
7520 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
7521 | VarsWithImplicitDSA, B); | |||
7522 | if (NestedLoopCount == 0) | |||
7523 | return StmtError(); | |||
7524 | ||||
7525 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp target teams distribute parallel for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target teams distribute parallel for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7526, __extension__ __PRETTY_FUNCTION__)) | |||
7526 | "omp target teams distribute parallel for loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp target teams distribute parallel for loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target teams distribute parallel for loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7526, __extension__ __PRETTY_FUNCTION__)); | |||
7527 | ||||
7528 | if (!CurContext->isDependentContext()) { | |||
7529 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
7530 | for (auto C : Clauses) { | |||
7531 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
7532 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
7533 | B.NumIterations, *this, CurScope, | |||
7534 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
7535 | return StmtError(); | |||
7536 | } | |||
7537 | } | |||
7538 | ||||
7539 | getCurFunction()->setHasBranchProtectedScope(); | |||
7540 | return OMPTargetTeamsDistributeParallelForDirective::Create( | |||
7541 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B, | |||
7542 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isCancelRegion()); | |||
7543 | } | |||
7544 | ||||
7545 | StmtResult Sema::ActOnOpenMPTargetTeamsDistributeParallelForSimdDirective( | |||
7546 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
7547 | SourceLocation EndLoc, | |||
7548 | llvm::DenseMap<ValueDecl *, Expr *> &VarsWithImplicitDSA) { | |||
7549 | if (!AStmt) | |||
7550 | return StmtError(); | |||
7551 | ||||
7552 | CapturedStmt *CS = cast<CapturedStmt>(AStmt); | |||
7553 | // 1.2.2 OpenMP Language Terminology | |||
7554 | // Structured block - An executable statement with a single entry at the | |||
7555 | // top and a single exit at the bottom. | |||
7556 | // The point of exit cannot be a branch out of the structured block. | |||
7557 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
7558 | CS->getCapturedDecl()->setNothrow(); | |||
7559 | for (int ThisCaptureLevel = getOpenMPCaptureLevels( | |||
7560 | OMPD_target_teams_distribute_parallel_for_simd); | |||
7561 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
7562 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
7563 | // 1.2.2 OpenMP Language Terminology | |||
7564 | // Structured block - An executable statement with a single entry at the | |||
7565 | // top and a single exit at the bottom. | |||
7566 | // The point of exit cannot be a branch out of the structured block. | |||
7567 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
7568 | CS->getCapturedDecl()->setNothrow(); | |||
7569 | } | |||
7570 | ||||
7571 | OMPLoopDirective::HelperExprs B; | |||
7572 | // In presence of clause 'collapse' with number of loops, it will | |||
7573 | // define the nested loops number. | |||
7574 | auto NestedLoopCount = | |||
7575 | CheckOpenMPLoop(OMPD_target_teams_distribute_parallel_for_simd, | |||
7576 | getCollapseNumberExpr(Clauses), | |||
7577 | nullptr /*ordered not a clause on distribute*/, CS, *this, | |||
7578 | *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VarsWithImplicitDSA, B); | |||
7579 | if (NestedLoopCount == 0) | |||
7580 | return StmtError(); | |||
7581 | ||||
7582 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp target teams distribute parallel for simd loop exprs were not " "built") ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target teams distribute parallel for simd loop exprs were not \" \"built\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7584, __extension__ __PRETTY_FUNCTION__)) | |||
7583 | "omp target teams distribute parallel for simd loop exprs were not "(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp target teams distribute parallel for simd loop exprs were not " "built") ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target teams distribute parallel for simd loop exprs were not \" \"built\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7584, __extension__ __PRETTY_FUNCTION__)) | |||
7584 | "built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp target teams distribute parallel for simd loop exprs were not " "built") ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target teams distribute parallel for simd loop exprs were not \" \"built\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7584, __extension__ __PRETTY_FUNCTION__)); | |||
7585 | ||||
7586 | if (!CurContext->isDependentContext()) { | |||
7587 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
7588 | for (auto C : Clauses) { | |||
7589 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
7590 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
7591 | B.NumIterations, *this, CurScope, | |||
7592 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
7593 | return StmtError(); | |||
7594 | } | |||
7595 | } | |||
7596 | ||||
7597 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | |||
7598 | return StmtError(); | |||
7599 | ||||
7600 | getCurFunction()->setHasBranchProtectedScope(); | |||
7601 | return OMPTargetTeamsDistributeParallelForSimdDirective::Create( | |||
7602 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | |||
7603 | } | |||
7604 | ||||
7605 | StmtResult Sema::ActOnOpenMPTargetTeamsDistributeSimdDirective( | |||
7606 | ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc, | |||
7607 | SourceLocation EndLoc, | |||
7608 | llvm::DenseMap<ValueDecl *, Expr *> &VarsWithImplicitDSA) { | |||
7609 | if (!AStmt) | |||
7610 | return StmtError(); | |||
7611 | ||||
7612 | auto *CS = cast<CapturedStmt>(AStmt); | |||
7613 | // 1.2.2 OpenMP Language Terminology | |||
7614 | // Structured block - An executable statement with a single entry at the | |||
7615 | // top and a single exit at the bottom. | |||
7616 | // The point of exit cannot be a branch out of the structured block. | |||
7617 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
7618 | CS->getCapturedDecl()->setNothrow(); | |||
7619 | for (int ThisCaptureLevel = | |||
7620 | getOpenMPCaptureLevels(OMPD_target_teams_distribute_simd); | |||
7621 | ThisCaptureLevel > 1; --ThisCaptureLevel) { | |||
7622 | CS = cast<CapturedStmt>(CS->getCapturedStmt()); | |||
7623 | // 1.2.2 OpenMP Language Terminology | |||
7624 | // Structured block - An executable statement with a single entry at the | |||
7625 | // top and a single exit at the bottom. | |||
7626 | // The point of exit cannot be a branch out of the structured block. | |||
7627 | // longjmp() and throw() must not violate the entry/exit criteria. | |||
7628 | CS->getCapturedDecl()->setNothrow(); | |||
7629 | } | |||
7630 | ||||
7631 | OMPLoopDirective::HelperExprs B; | |||
7632 | // In presence of clause 'collapse' with number of loops, it will | |||
7633 | // define the nested loops number. | |||
7634 | auto NestedLoopCount = CheckOpenMPLoop( | |||
7635 | OMPD_target_teams_distribute_simd, getCollapseNumberExpr(Clauses), | |||
7636 | nullptr /*ordered not a clause on distribute*/, CS, *this, *DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), | |||
7637 | VarsWithImplicitDSA, B); | |||
7638 | if (NestedLoopCount == 0) | |||
7639 | return StmtError(); | |||
7640 | ||||
7641 | assert((CurContext->isDependentContext() || B.builtAll()) &&(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp target teams distribute simd loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target teams distribute simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7642, __extension__ __PRETTY_FUNCTION__)) | |||
7642 | "omp target teams distribute simd loop exprs were not built")(static_cast <bool> ((CurContext->isDependentContext () || B.builtAll()) && "omp target teams distribute simd loop exprs were not built" ) ? void (0) : __assert_fail ("(CurContext->isDependentContext() || B.builtAll()) && \"omp target teams distribute simd loop exprs were not built\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7642, __extension__ __PRETTY_FUNCTION__)); | |||
7643 | ||||
7644 | if (!CurContext->isDependentContext()) { | |||
7645 | // Finalize the clauses that need pre-built expressions for CodeGen. | |||
7646 | for (auto C : Clauses) { | |||
7647 | if (auto *LC = dyn_cast<OMPLinearClause>(C)) | |||
7648 | if (FinishOpenMPLinearClause(*LC, cast<DeclRefExpr>(B.IterationVarRef), | |||
7649 | B.NumIterations, *this, CurScope, | |||
7650 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ))) | |||
7651 | return StmtError(); | |||
7652 | } | |||
7653 | } | |||
7654 | ||||
7655 | if (checkSimdlenSafelenSpecified(*this, Clauses)) | |||
7656 | return StmtError(); | |||
7657 | ||||
7658 | getCurFunction()->setHasBranchProtectedScope(); | |||
7659 | return OMPTargetTeamsDistributeSimdDirective::Create( | |||
7660 | Context, StartLoc, EndLoc, NestedLoopCount, Clauses, AStmt, B); | |||
7661 | } | |||
7662 | ||||
7663 | OMPClause *Sema::ActOnOpenMPSingleExprClause(OpenMPClauseKind Kind, Expr *Expr, | |||
7664 | SourceLocation StartLoc, | |||
7665 | SourceLocation LParenLoc, | |||
7666 | SourceLocation EndLoc) { | |||
7667 | OMPClause *Res = nullptr; | |||
7668 | switch (Kind) { | |||
7669 | case OMPC_final: | |||
7670 | Res = ActOnOpenMPFinalClause(Expr, StartLoc, LParenLoc, EndLoc); | |||
7671 | break; | |||
7672 | case OMPC_num_threads: | |||
7673 | Res = ActOnOpenMPNumThreadsClause(Expr, StartLoc, LParenLoc, EndLoc); | |||
7674 | break; | |||
7675 | case OMPC_safelen: | |||
7676 | Res = ActOnOpenMPSafelenClause(Expr, StartLoc, LParenLoc, EndLoc); | |||
7677 | break; | |||
7678 | case OMPC_simdlen: | |||
7679 | Res = ActOnOpenMPSimdlenClause(Expr, StartLoc, LParenLoc, EndLoc); | |||
7680 | break; | |||
7681 | case OMPC_collapse: | |||
7682 | Res = ActOnOpenMPCollapseClause(Expr, StartLoc, LParenLoc, EndLoc); | |||
7683 | break; | |||
7684 | case OMPC_ordered: | |||
7685 | Res = ActOnOpenMPOrderedClause(StartLoc, EndLoc, LParenLoc, Expr); | |||
7686 | break; | |||
7687 | case OMPC_device: | |||
7688 | Res = ActOnOpenMPDeviceClause(Expr, StartLoc, LParenLoc, EndLoc); | |||
7689 | break; | |||
7690 | case OMPC_num_teams: | |||
7691 | Res = ActOnOpenMPNumTeamsClause(Expr, StartLoc, LParenLoc, EndLoc); | |||
7692 | break; | |||
7693 | case OMPC_thread_limit: | |||
7694 | Res = ActOnOpenMPThreadLimitClause(Expr, StartLoc, LParenLoc, EndLoc); | |||
7695 | break; | |||
7696 | case OMPC_priority: | |||
7697 | Res = ActOnOpenMPPriorityClause(Expr, StartLoc, LParenLoc, EndLoc); | |||
7698 | break; | |||
7699 | case OMPC_grainsize: | |||
7700 | Res = ActOnOpenMPGrainsizeClause(Expr, StartLoc, LParenLoc, EndLoc); | |||
7701 | break; | |||
7702 | case OMPC_num_tasks: | |||
7703 | Res = ActOnOpenMPNumTasksClause(Expr, StartLoc, LParenLoc, EndLoc); | |||
7704 | break; | |||
7705 | case OMPC_hint: | |||
7706 | Res = ActOnOpenMPHintClause(Expr, StartLoc, LParenLoc, EndLoc); | |||
7707 | break; | |||
7708 | case OMPC_if: | |||
7709 | case OMPC_default: | |||
7710 | case OMPC_proc_bind: | |||
7711 | case OMPC_schedule: | |||
7712 | case OMPC_private: | |||
7713 | case OMPC_firstprivate: | |||
7714 | case OMPC_lastprivate: | |||
7715 | case OMPC_shared: | |||
7716 | case OMPC_reduction: | |||
7717 | case OMPC_task_reduction: | |||
7718 | case OMPC_in_reduction: | |||
7719 | case OMPC_linear: | |||
7720 | case OMPC_aligned: | |||
7721 | case OMPC_copyin: | |||
7722 | case OMPC_copyprivate: | |||
7723 | case OMPC_nowait: | |||
7724 | case OMPC_untied: | |||
7725 | case OMPC_mergeable: | |||
7726 | case OMPC_threadprivate: | |||
7727 | case OMPC_flush: | |||
7728 | case OMPC_read: | |||
7729 | case OMPC_write: | |||
7730 | case OMPC_update: | |||
7731 | case OMPC_capture: | |||
7732 | case OMPC_seq_cst: | |||
7733 | case OMPC_depend: | |||
7734 | case OMPC_threads: | |||
7735 | case OMPC_simd: | |||
7736 | case OMPC_map: | |||
7737 | case OMPC_nogroup: | |||
7738 | case OMPC_dist_schedule: | |||
7739 | case OMPC_defaultmap: | |||
7740 | case OMPC_unknown: | |||
7741 | case OMPC_uniform: | |||
7742 | case OMPC_to: | |||
7743 | case OMPC_from: | |||
7744 | case OMPC_use_device_ptr: | |||
7745 | case OMPC_is_device_ptr: | |||
7746 | llvm_unreachable("Clause is not allowed.")::llvm::llvm_unreachable_internal("Clause is not allowed.", "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7746); | |||
7747 | } | |||
7748 | return Res; | |||
7749 | } | |||
7750 | ||||
7751 | // An OpenMP directive such as 'target parallel' has two captured regions: | |||
7752 | // for the 'target' and 'parallel' respectively. This function returns | |||
7753 | // the region in which to capture expressions associated with a clause. | |||
7754 | // A return value of OMPD_unknown signifies that the expression should not | |||
7755 | // be captured. | |||
7756 | static OpenMPDirectiveKind getOpenMPCaptureRegionForClause( | |||
7757 | OpenMPDirectiveKind DKind, OpenMPClauseKind CKind, | |||
7758 | OpenMPDirectiveKind NameModifier = OMPD_unknown) { | |||
7759 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; | |||
7760 | switch (CKind) { | |||
7761 | case OMPC_if: | |||
7762 | switch (DKind) { | |||
7763 | case OMPD_target_parallel: | |||
7764 | case OMPD_target_parallel_for: | |||
7765 | case OMPD_target_parallel_for_simd: | |||
7766 | // If this clause applies to the nested 'parallel' region, capture within | |||
7767 | // the 'target' region, otherwise do not capture. | |||
7768 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_parallel) | |||
7769 | CaptureRegion = OMPD_target; | |||
7770 | break; | |||
7771 | case OMPD_target_teams_distribute_parallel_for: | |||
7772 | case OMPD_target_teams_distribute_parallel_for_simd: | |||
7773 | // If this clause applies to the nested 'parallel' region, capture within | |||
7774 | // the 'teams' region, otherwise do not capture. | |||
7775 | if (NameModifier == OMPD_unknown || NameModifier == OMPD_parallel) | |||
7776 | CaptureRegion = OMPD_teams; | |||
7777 | break; | |||
7778 | case OMPD_teams_distribute_parallel_for: | |||
7779 | case OMPD_teams_distribute_parallel_for_simd: | |||
7780 | CaptureRegion = OMPD_teams; | |||
7781 | break; | |||
7782 | case OMPD_target_update: | |||
7783 | case OMPD_target_enter_data: | |||
7784 | case OMPD_target_exit_data: | |||
7785 | CaptureRegion = OMPD_task; | |||
7786 | break; | |||
7787 | case OMPD_cancel: | |||
7788 | case OMPD_parallel: | |||
7789 | case OMPD_parallel_sections: | |||
7790 | case OMPD_parallel_for: | |||
7791 | case OMPD_parallel_for_simd: | |||
7792 | case OMPD_target: | |||
7793 | case OMPD_target_simd: | |||
7794 | case OMPD_target_teams: | |||
7795 | case OMPD_target_teams_distribute: | |||
7796 | case OMPD_target_teams_distribute_simd: | |||
7797 | case OMPD_distribute_parallel_for: | |||
7798 | case OMPD_distribute_parallel_for_simd: | |||
7799 | case OMPD_task: | |||
7800 | case OMPD_taskloop: | |||
7801 | case OMPD_taskloop_simd: | |||
7802 | case OMPD_target_data: | |||
7803 | // Do not capture if-clause expressions. | |||
7804 | break; | |||
7805 | case OMPD_threadprivate: | |||
7806 | case OMPD_taskyield: | |||
7807 | case OMPD_barrier: | |||
7808 | case OMPD_taskwait: | |||
7809 | case OMPD_cancellation_point: | |||
7810 | case OMPD_flush: | |||
7811 | case OMPD_declare_reduction: | |||
7812 | case OMPD_declare_simd: | |||
7813 | case OMPD_declare_target: | |||
7814 | case OMPD_end_declare_target: | |||
7815 | case OMPD_teams: | |||
7816 | case OMPD_simd: | |||
7817 | case OMPD_for: | |||
7818 | case OMPD_for_simd: | |||
7819 | case OMPD_sections: | |||
7820 | case OMPD_section: | |||
7821 | case OMPD_single: | |||
7822 | case OMPD_master: | |||
7823 | case OMPD_critical: | |||
7824 | case OMPD_taskgroup: | |||
7825 | case OMPD_distribute: | |||
7826 | case OMPD_ordered: | |||
7827 | case OMPD_atomic: | |||
7828 | case OMPD_distribute_simd: | |||
7829 | case OMPD_teams_distribute: | |||
7830 | case OMPD_teams_distribute_simd: | |||
7831 | llvm_unreachable("Unexpected OpenMP directive with if-clause")::llvm::llvm_unreachable_internal("Unexpected OpenMP directive with if-clause" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7831); | |||
7832 | case OMPD_unknown: | |||
7833 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7833); | |||
7834 | } | |||
7835 | break; | |||
7836 | case OMPC_num_threads: | |||
7837 | switch (DKind) { | |||
7838 | case OMPD_target_parallel: | |||
7839 | case OMPD_target_parallel_for: | |||
7840 | case OMPD_target_parallel_for_simd: | |||
7841 | CaptureRegion = OMPD_target; | |||
7842 | break; | |||
7843 | case OMPD_teams_distribute_parallel_for: | |||
7844 | case OMPD_teams_distribute_parallel_for_simd: | |||
7845 | case OMPD_target_teams_distribute_parallel_for: | |||
7846 | case OMPD_target_teams_distribute_parallel_for_simd: | |||
7847 | CaptureRegion = OMPD_teams; | |||
7848 | break; | |||
7849 | case OMPD_parallel: | |||
7850 | case OMPD_parallel_sections: | |||
7851 | case OMPD_parallel_for: | |||
7852 | case OMPD_parallel_for_simd: | |||
7853 | case OMPD_distribute_parallel_for: | |||
7854 | case OMPD_distribute_parallel_for_simd: | |||
7855 | // Do not capture num_threads-clause expressions. | |||
7856 | break; | |||
7857 | case OMPD_target_data: | |||
7858 | case OMPD_target_enter_data: | |||
7859 | case OMPD_target_exit_data: | |||
7860 | case OMPD_target_update: | |||
7861 | case OMPD_target: | |||
7862 | case OMPD_target_simd: | |||
7863 | case OMPD_target_teams: | |||
7864 | case OMPD_target_teams_distribute: | |||
7865 | case OMPD_target_teams_distribute_simd: | |||
7866 | case OMPD_cancel: | |||
7867 | case OMPD_task: | |||
7868 | case OMPD_taskloop: | |||
7869 | case OMPD_taskloop_simd: | |||
7870 | case OMPD_threadprivate: | |||
7871 | case OMPD_taskyield: | |||
7872 | case OMPD_barrier: | |||
7873 | case OMPD_taskwait: | |||
7874 | case OMPD_cancellation_point: | |||
7875 | case OMPD_flush: | |||
7876 | case OMPD_declare_reduction: | |||
7877 | case OMPD_declare_simd: | |||
7878 | case OMPD_declare_target: | |||
7879 | case OMPD_end_declare_target: | |||
7880 | case OMPD_teams: | |||
7881 | case OMPD_simd: | |||
7882 | case OMPD_for: | |||
7883 | case OMPD_for_simd: | |||
7884 | case OMPD_sections: | |||
7885 | case OMPD_section: | |||
7886 | case OMPD_single: | |||
7887 | case OMPD_master: | |||
7888 | case OMPD_critical: | |||
7889 | case OMPD_taskgroup: | |||
7890 | case OMPD_distribute: | |||
7891 | case OMPD_ordered: | |||
7892 | case OMPD_atomic: | |||
7893 | case OMPD_distribute_simd: | |||
7894 | case OMPD_teams_distribute: | |||
7895 | case OMPD_teams_distribute_simd: | |||
7896 | llvm_unreachable("Unexpected OpenMP directive with num_threads-clause")::llvm::llvm_unreachable_internal("Unexpected OpenMP directive with num_threads-clause" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7896); | |||
7897 | case OMPD_unknown: | |||
7898 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7898); | |||
7899 | } | |||
7900 | break; | |||
7901 | case OMPC_num_teams: | |||
7902 | switch (DKind) { | |||
7903 | case OMPD_target_teams: | |||
7904 | case OMPD_target_teams_distribute: | |||
7905 | case OMPD_target_teams_distribute_simd: | |||
7906 | case OMPD_target_teams_distribute_parallel_for: | |||
7907 | case OMPD_target_teams_distribute_parallel_for_simd: | |||
7908 | CaptureRegion = OMPD_target; | |||
7909 | break; | |||
7910 | case OMPD_teams_distribute_parallel_for: | |||
7911 | case OMPD_teams_distribute_parallel_for_simd: | |||
7912 | case OMPD_teams: | |||
7913 | case OMPD_teams_distribute: | |||
7914 | case OMPD_teams_distribute_simd: | |||
7915 | // Do not capture num_teams-clause expressions. | |||
7916 | break; | |||
7917 | case OMPD_distribute_parallel_for: | |||
7918 | case OMPD_distribute_parallel_for_simd: | |||
7919 | case OMPD_task: | |||
7920 | case OMPD_taskloop: | |||
7921 | case OMPD_taskloop_simd: | |||
7922 | case OMPD_target_data: | |||
7923 | case OMPD_target_enter_data: | |||
7924 | case OMPD_target_exit_data: | |||
7925 | case OMPD_target_update: | |||
7926 | case OMPD_cancel: | |||
7927 | case OMPD_parallel: | |||
7928 | case OMPD_parallel_sections: | |||
7929 | case OMPD_parallel_for: | |||
7930 | case OMPD_parallel_for_simd: | |||
7931 | case OMPD_target: | |||
7932 | case OMPD_target_simd: | |||
7933 | case OMPD_target_parallel: | |||
7934 | case OMPD_target_parallel_for: | |||
7935 | case OMPD_target_parallel_for_simd: | |||
7936 | case OMPD_threadprivate: | |||
7937 | case OMPD_taskyield: | |||
7938 | case OMPD_barrier: | |||
7939 | case OMPD_taskwait: | |||
7940 | case OMPD_cancellation_point: | |||
7941 | case OMPD_flush: | |||
7942 | case OMPD_declare_reduction: | |||
7943 | case OMPD_declare_simd: | |||
7944 | case OMPD_declare_target: | |||
7945 | case OMPD_end_declare_target: | |||
7946 | case OMPD_simd: | |||
7947 | case OMPD_for: | |||
7948 | case OMPD_for_simd: | |||
7949 | case OMPD_sections: | |||
7950 | case OMPD_section: | |||
7951 | case OMPD_single: | |||
7952 | case OMPD_master: | |||
7953 | case OMPD_critical: | |||
7954 | case OMPD_taskgroup: | |||
7955 | case OMPD_distribute: | |||
7956 | case OMPD_ordered: | |||
7957 | case OMPD_atomic: | |||
7958 | case OMPD_distribute_simd: | |||
7959 | llvm_unreachable("Unexpected OpenMP directive with num_teams-clause")::llvm::llvm_unreachable_internal("Unexpected OpenMP directive with num_teams-clause" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7959); | |||
7960 | case OMPD_unknown: | |||
7961 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 7961); | |||
7962 | } | |||
7963 | break; | |||
7964 | case OMPC_thread_limit: | |||
7965 | switch (DKind) { | |||
7966 | case OMPD_target_teams: | |||
7967 | case OMPD_target_teams_distribute: | |||
7968 | case OMPD_target_teams_distribute_simd: | |||
7969 | case OMPD_target_teams_distribute_parallel_for: | |||
7970 | case OMPD_target_teams_distribute_parallel_for_simd: | |||
7971 | CaptureRegion = OMPD_target; | |||
7972 | break; | |||
7973 | case OMPD_teams_distribute_parallel_for: | |||
7974 | case OMPD_teams_distribute_parallel_for_simd: | |||
7975 | case OMPD_teams: | |||
7976 | case OMPD_teams_distribute: | |||
7977 | case OMPD_teams_distribute_simd: | |||
7978 | // Do not capture thread_limit-clause expressions. | |||
7979 | break; | |||
7980 | case OMPD_distribute_parallel_for: | |||
7981 | case OMPD_distribute_parallel_for_simd: | |||
7982 | case OMPD_task: | |||
7983 | case OMPD_taskloop: | |||
7984 | case OMPD_taskloop_simd: | |||
7985 | case OMPD_target_data: | |||
7986 | case OMPD_target_enter_data: | |||
7987 | case OMPD_target_exit_data: | |||
7988 | case OMPD_target_update: | |||
7989 | case OMPD_cancel: | |||
7990 | case OMPD_parallel: | |||
7991 | case OMPD_parallel_sections: | |||
7992 | case OMPD_parallel_for: | |||
7993 | case OMPD_parallel_for_simd: | |||
7994 | case OMPD_target: | |||
7995 | case OMPD_target_simd: | |||
7996 | case OMPD_target_parallel: | |||
7997 | case OMPD_target_parallel_for: | |||
7998 | case OMPD_target_parallel_for_simd: | |||
7999 | case OMPD_threadprivate: | |||
8000 | case OMPD_taskyield: | |||
8001 | case OMPD_barrier: | |||
8002 | case OMPD_taskwait: | |||
8003 | case OMPD_cancellation_point: | |||
8004 | case OMPD_flush: | |||
8005 | case OMPD_declare_reduction: | |||
8006 | case OMPD_declare_simd: | |||
8007 | case OMPD_declare_target: | |||
8008 | case OMPD_end_declare_target: | |||
8009 | case OMPD_simd: | |||
8010 | case OMPD_for: | |||
8011 | case OMPD_for_simd: | |||
8012 | case OMPD_sections: | |||
8013 | case OMPD_section: | |||
8014 | case OMPD_single: | |||
8015 | case OMPD_master: | |||
8016 | case OMPD_critical: | |||
8017 | case OMPD_taskgroup: | |||
8018 | case OMPD_distribute: | |||
8019 | case OMPD_ordered: | |||
8020 | case OMPD_atomic: | |||
8021 | case OMPD_distribute_simd: | |||
8022 | llvm_unreachable("Unexpected OpenMP directive with thread_limit-clause")::llvm::llvm_unreachable_internal("Unexpected OpenMP directive with thread_limit-clause" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 8022); | |||
8023 | case OMPD_unknown: | |||
8024 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 8024); | |||
8025 | } | |||
8026 | break; | |||
8027 | case OMPC_schedule: | |||
8028 | switch (DKind) { | |||
8029 | case OMPD_parallel_for: | |||
8030 | case OMPD_parallel_for_simd: | |||
8031 | case OMPD_distribute_parallel_for: | |||
8032 | case OMPD_distribute_parallel_for_simd: | |||
8033 | case OMPD_teams_distribute_parallel_for: | |||
8034 | case OMPD_teams_distribute_parallel_for_simd: | |||
8035 | case OMPD_target_parallel_for: | |||
8036 | case OMPD_target_parallel_for_simd: | |||
8037 | case OMPD_target_teams_distribute_parallel_for: | |||
8038 | case OMPD_target_teams_distribute_parallel_for_simd: | |||
8039 | CaptureRegion = OMPD_parallel; | |||
8040 | break; | |||
8041 | case OMPD_for: | |||
8042 | case OMPD_for_simd: | |||
8043 | // Do not capture schedule-clause expressions. | |||
8044 | break; | |||
8045 | case OMPD_task: | |||
8046 | case OMPD_taskloop: | |||
8047 | case OMPD_taskloop_simd: | |||
8048 | case OMPD_target_data: | |||
8049 | case OMPD_target_enter_data: | |||
8050 | case OMPD_target_exit_data: | |||
8051 | case OMPD_target_update: | |||
8052 | case OMPD_teams: | |||
8053 | case OMPD_teams_distribute: | |||
8054 | case OMPD_teams_distribute_simd: | |||
8055 | case OMPD_target_teams_distribute: | |||
8056 | case OMPD_target_teams_distribute_simd: | |||
8057 | case OMPD_target: | |||
8058 | case OMPD_target_simd: | |||
8059 | case OMPD_target_parallel: | |||
8060 | case OMPD_cancel: | |||
8061 | case OMPD_parallel: | |||
8062 | case OMPD_parallel_sections: | |||
8063 | case OMPD_threadprivate: | |||
8064 | case OMPD_taskyield: | |||
8065 | case OMPD_barrier: | |||
8066 | case OMPD_taskwait: | |||
8067 | case OMPD_cancellation_point: | |||
8068 | case OMPD_flush: | |||
8069 | case OMPD_declare_reduction: | |||
8070 | case OMPD_declare_simd: | |||
8071 | case OMPD_declare_target: | |||
8072 | case OMPD_end_declare_target: | |||
8073 | case OMPD_simd: | |||
8074 | case OMPD_sections: | |||
8075 | case OMPD_section: | |||
8076 | case OMPD_single: | |||
8077 | case OMPD_master: | |||
8078 | case OMPD_critical: | |||
8079 | case OMPD_taskgroup: | |||
8080 | case OMPD_distribute: | |||
8081 | case OMPD_ordered: | |||
8082 | case OMPD_atomic: | |||
8083 | case OMPD_distribute_simd: | |||
8084 | case OMPD_target_teams: | |||
8085 | llvm_unreachable("Unexpected OpenMP directive with schedule clause")::llvm::llvm_unreachable_internal("Unexpected OpenMP directive with schedule clause" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 8085); | |||
8086 | case OMPD_unknown: | |||
8087 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 8087); | |||
8088 | } | |||
8089 | break; | |||
8090 | case OMPC_dist_schedule: | |||
8091 | switch (DKind) { | |||
8092 | case OMPD_teams_distribute_parallel_for: | |||
8093 | case OMPD_teams_distribute_parallel_for_simd: | |||
8094 | case OMPD_teams_distribute: | |||
8095 | case OMPD_teams_distribute_simd: | |||
8096 | case OMPD_target_teams_distribute_parallel_for: | |||
8097 | case OMPD_target_teams_distribute_parallel_for_simd: | |||
8098 | case OMPD_target_teams_distribute: | |||
8099 | case OMPD_target_teams_distribute_simd: | |||
8100 | CaptureRegion = OMPD_teams; | |||
8101 | break; | |||
8102 | case OMPD_distribute_parallel_for: | |||
8103 | case OMPD_distribute_parallel_for_simd: | |||
8104 | case OMPD_distribute: | |||
8105 | case OMPD_distribute_simd: | |||
8106 | // Do not capture thread_limit-clause expressions. | |||
8107 | break; | |||
8108 | case OMPD_parallel_for: | |||
8109 | case OMPD_parallel_for_simd: | |||
8110 | case OMPD_target_parallel_for_simd: | |||
8111 | case OMPD_target_parallel_for: | |||
8112 | case OMPD_task: | |||
8113 | case OMPD_taskloop: | |||
8114 | case OMPD_taskloop_simd: | |||
8115 | case OMPD_target_data: | |||
8116 | case OMPD_target_enter_data: | |||
8117 | case OMPD_target_exit_data: | |||
8118 | case OMPD_target_update: | |||
8119 | case OMPD_teams: | |||
8120 | case OMPD_target: | |||
8121 | case OMPD_target_simd: | |||
8122 | case OMPD_target_parallel: | |||
8123 | case OMPD_cancel: | |||
8124 | case OMPD_parallel: | |||
8125 | case OMPD_parallel_sections: | |||
8126 | case OMPD_threadprivate: | |||
8127 | case OMPD_taskyield: | |||
8128 | case OMPD_barrier: | |||
8129 | case OMPD_taskwait: | |||
8130 | case OMPD_cancellation_point: | |||
8131 | case OMPD_flush: | |||
8132 | case OMPD_declare_reduction: | |||
8133 | case OMPD_declare_simd: | |||
8134 | case OMPD_declare_target: | |||
8135 | case OMPD_end_declare_target: | |||
8136 | case OMPD_simd: | |||
8137 | case OMPD_for: | |||
8138 | case OMPD_for_simd: | |||
8139 | case OMPD_sections: | |||
8140 | case OMPD_section: | |||
8141 | case OMPD_single: | |||
8142 | case OMPD_master: | |||
8143 | case OMPD_critical: | |||
8144 | case OMPD_taskgroup: | |||
8145 | case OMPD_ordered: | |||
8146 | case OMPD_atomic: | |||
8147 | case OMPD_target_teams: | |||
8148 | llvm_unreachable("Unexpected OpenMP directive with schedule clause")::llvm::llvm_unreachable_internal("Unexpected OpenMP directive with schedule clause" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 8148); | |||
8149 | case OMPD_unknown: | |||
8150 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 8150); | |||
8151 | } | |||
8152 | break; | |||
8153 | case OMPC_device: | |||
8154 | switch (DKind) { | |||
8155 | case OMPD_target_update: | |||
8156 | case OMPD_target_enter_data: | |||
8157 | case OMPD_target_exit_data: | |||
8158 | case OMPD_target: | |||
8159 | case OMPD_target_simd: | |||
8160 | case OMPD_target_teams: | |||
8161 | case OMPD_target_parallel: | |||
8162 | case OMPD_target_teams_distribute: | |||
8163 | case OMPD_target_teams_distribute_simd: | |||
8164 | case OMPD_target_parallel_for: | |||
8165 | case OMPD_target_parallel_for_simd: | |||
8166 | case OMPD_target_teams_distribute_parallel_for: | |||
8167 | case OMPD_target_teams_distribute_parallel_for_simd: | |||
8168 | CaptureRegion = OMPD_task; | |||
8169 | break; | |||
8170 | case OMPD_target_data: | |||
8171 | // Do not capture device-clause expressions. | |||
8172 | break; | |||
8173 | case OMPD_teams_distribute_parallel_for: | |||
8174 | case OMPD_teams_distribute_parallel_for_simd: | |||
8175 | case OMPD_teams: | |||
8176 | case OMPD_teams_distribute: | |||
8177 | case OMPD_teams_distribute_simd: | |||
8178 | case OMPD_distribute_parallel_for: | |||
8179 | case OMPD_distribute_parallel_for_simd: | |||
8180 | case OMPD_task: | |||
8181 | case OMPD_taskloop: | |||
8182 | case OMPD_taskloop_simd: | |||
8183 | case OMPD_cancel: | |||
8184 | case OMPD_parallel: | |||
8185 | case OMPD_parallel_sections: | |||
8186 | case OMPD_parallel_for: | |||
8187 | case OMPD_parallel_for_simd: | |||
8188 | case OMPD_threadprivate: | |||
8189 | case OMPD_taskyield: | |||
8190 | case OMPD_barrier: | |||
8191 | case OMPD_taskwait: | |||
8192 | case OMPD_cancellation_point: | |||
8193 | case OMPD_flush: | |||
8194 | case OMPD_declare_reduction: | |||
8195 | case OMPD_declare_simd: | |||
8196 | case OMPD_declare_target: | |||
8197 | case OMPD_end_declare_target: | |||
8198 | case OMPD_simd: | |||
8199 | case OMPD_for: | |||
8200 | case OMPD_for_simd: | |||
8201 | case OMPD_sections: | |||
8202 | case OMPD_section: | |||
8203 | case OMPD_single: | |||
8204 | case OMPD_master: | |||
8205 | case OMPD_critical: | |||
8206 | case OMPD_taskgroup: | |||
8207 | case OMPD_distribute: | |||
8208 | case OMPD_ordered: | |||
8209 | case OMPD_atomic: | |||
8210 | case OMPD_distribute_simd: | |||
8211 | llvm_unreachable("Unexpected OpenMP directive with num_teams-clause")::llvm::llvm_unreachable_internal("Unexpected OpenMP directive with num_teams-clause" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 8211); | |||
8212 | case OMPD_unknown: | |||
8213 | llvm_unreachable("Unknown OpenMP directive")::llvm::llvm_unreachable_internal("Unknown OpenMP directive", "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 8213); | |||
8214 | } | |||
8215 | break; | |||
8216 | case OMPC_firstprivate: | |||
8217 | case OMPC_lastprivate: | |||
8218 | case OMPC_reduction: | |||
8219 | case OMPC_task_reduction: | |||
8220 | case OMPC_in_reduction: | |||
8221 | case OMPC_linear: | |||
8222 | case OMPC_default: | |||
8223 | case OMPC_proc_bind: | |||
8224 | case OMPC_final: | |||
8225 | case OMPC_safelen: | |||
8226 | case OMPC_simdlen: | |||
8227 | case OMPC_collapse: | |||
8228 | case OMPC_private: | |||
8229 | case OMPC_shared: | |||
8230 | case OMPC_aligned: | |||
8231 | case OMPC_copyin: | |||
8232 | case OMPC_copyprivate: | |||
8233 | case OMPC_ordered: | |||
8234 | case OMPC_nowait: | |||
8235 | case OMPC_untied: | |||
8236 | case OMPC_mergeable: | |||
8237 | case OMPC_threadprivate: | |||
8238 | case OMPC_flush: | |||
8239 | case OMPC_read: | |||
8240 | case OMPC_write: | |||
8241 | case OMPC_update: | |||
8242 | case OMPC_capture: | |||
8243 | case OMPC_seq_cst: | |||
8244 | case OMPC_depend: | |||
8245 | case OMPC_threads: | |||
8246 | case OMPC_simd: | |||
8247 | case OMPC_map: | |||
8248 | case OMPC_priority: | |||
8249 | case OMPC_grainsize: | |||
8250 | case OMPC_nogroup: | |||
8251 | case OMPC_num_tasks: | |||
8252 | case OMPC_hint: | |||
8253 | case OMPC_defaultmap: | |||
8254 | case OMPC_unknown: | |||
8255 | case OMPC_uniform: | |||
8256 | case OMPC_to: | |||
8257 | case OMPC_from: | |||
8258 | case OMPC_use_device_ptr: | |||
8259 | case OMPC_is_device_ptr: | |||
8260 | llvm_unreachable("Unexpected OpenMP clause.")::llvm::llvm_unreachable_internal("Unexpected OpenMP clause." , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 8260); | |||
8261 | } | |||
8262 | return CaptureRegion; | |||
8263 | } | |||
8264 | ||||
8265 | OMPClause *Sema::ActOnOpenMPIfClause(OpenMPDirectiveKind NameModifier, | |||
8266 | Expr *Condition, SourceLocation StartLoc, | |||
8267 | SourceLocation LParenLoc, | |||
8268 | SourceLocation NameModifierLoc, | |||
8269 | SourceLocation ColonLoc, | |||
8270 | SourceLocation EndLoc) { | |||
8271 | Expr *ValExpr = Condition; | |||
8272 | Stmt *HelperValStmt = nullptr; | |||
8273 | OpenMPDirectiveKind CaptureRegion = OMPD_unknown; | |||
8274 | if (!Condition->isValueDependent() && !Condition->isTypeDependent() && | |||
8275 | !Condition->isInstantiationDependent() && | |||
8276 | !Condition->containsUnexpandedParameterPack()) { | |||
8277 | ExprResult Val = CheckBooleanCondition(StartLoc, Condition); | |||
8278 | if (Val.isInvalid()) | |||
8279 | return nullptr; | |||
8280 | ||||
8281 | ValExpr = Val.get(); | |||
8282 | ||||
8283 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | |||
8284 | CaptureRegion = | |||
8285 | getOpenMPCaptureRegionForClause(DKind, OMPC_if, NameModifier); | |||
8286 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { | |||
8287 | ValExpr = MakeFullExpr(ValExpr).get(); | |||
8288 | llvm::MapVector<Expr *, DeclRefExpr *> Captures; | |||
8289 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | |||
8290 | HelperValStmt = buildPreInits(Context, Captures); | |||
8291 | } | |||
8292 | } | |||
8293 | ||||
8294 | return new (Context) | |||
8295 | OMPIfClause(NameModifier, ValExpr, HelperValStmt, CaptureRegion, StartLoc, | |||
8296 | LParenLoc, NameModifierLoc, ColonLoc, EndLoc); | |||
8297 | } | |||
8298 | ||||
8299 | OMPClause *Sema::ActOnOpenMPFinalClause(Expr *Condition, | |||
8300 | SourceLocation StartLoc, | |||
8301 | SourceLocation LParenLoc, | |||
8302 | SourceLocation EndLoc) { | |||
8303 | Expr *ValExpr = Condition; | |||
8304 | if (!Condition->isValueDependent() && !Condition->isTypeDependent() && | |||
8305 | !Condition->isInstantiationDependent() && | |||
8306 | !Condition->containsUnexpandedParameterPack()) { | |||
8307 | ExprResult Val = CheckBooleanCondition(StartLoc, Condition); | |||
8308 | if (Val.isInvalid()) | |||
8309 | return nullptr; | |||
8310 | ||||
8311 | ValExpr = MakeFullExpr(Val.get()).get(); | |||
8312 | } | |||
8313 | ||||
8314 | return new (Context) OMPFinalClause(ValExpr, StartLoc, LParenLoc, EndLoc); | |||
8315 | } | |||
8316 | ExprResult Sema::PerformOpenMPImplicitIntegerConversion(SourceLocation Loc, | |||
8317 | Expr *Op) { | |||
8318 | if (!Op) | |||
8319 | return ExprError(); | |||
8320 | ||||
8321 | class IntConvertDiagnoser : public ICEConvertDiagnoser { | |||
8322 | public: | |||
8323 | IntConvertDiagnoser() | |||
8324 | : ICEConvertDiagnoser(/*AllowScopedEnumerations*/ false, false, true) {} | |||
8325 | SemaDiagnosticBuilder diagnoseNotInt(Sema &S, SourceLocation Loc, | |||
8326 | QualType T) override { | |||
8327 | return S.Diag(Loc, diag::err_omp_not_integral) << T; | |||
8328 | } | |||
8329 | SemaDiagnosticBuilder diagnoseIncomplete(Sema &S, SourceLocation Loc, | |||
8330 | QualType T) override { | |||
8331 | return S.Diag(Loc, diag::err_omp_incomplete_type) << T; | |||
8332 | } | |||
8333 | SemaDiagnosticBuilder diagnoseExplicitConv(Sema &S, SourceLocation Loc, | |||
8334 | QualType T, | |||
8335 | QualType ConvTy) override { | |||
8336 | return S.Diag(Loc, diag::err_omp_explicit_conversion) << T << ConvTy; | |||
8337 | } | |||
8338 | SemaDiagnosticBuilder noteExplicitConv(Sema &S, CXXConversionDecl *Conv, | |||
8339 | QualType ConvTy) override { | |||
8340 | return S.Diag(Conv->getLocation(), diag::note_omp_conversion_here) | |||
8341 | << ConvTy->isEnumeralType() << ConvTy; | |||
8342 | } | |||
8343 | SemaDiagnosticBuilder diagnoseAmbiguous(Sema &S, SourceLocation Loc, | |||
8344 | QualType T) override { | |||
8345 | return S.Diag(Loc, diag::err_omp_ambiguous_conversion) << T; | |||
8346 | } | |||
8347 | SemaDiagnosticBuilder noteAmbiguous(Sema &S, CXXConversionDecl *Conv, | |||
8348 | QualType ConvTy) override { | |||
8349 | return S.Diag(Conv->getLocation(), diag::note_omp_conversion_here) | |||
8350 | << ConvTy->isEnumeralType() << ConvTy; | |||
8351 | } | |||
8352 | SemaDiagnosticBuilder diagnoseConversion(Sema &, SourceLocation, QualType, | |||
8353 | QualType) override { | |||
8354 | llvm_unreachable("conversion functions are permitted")::llvm::llvm_unreachable_internal("conversion functions are permitted" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 8354); | |||
8355 | } | |||
8356 | } ConvertDiagnoser; | |||
8357 | return PerformContextualImplicitConversion(Loc, Op, ConvertDiagnoser); | |||
8358 | } | |||
8359 | ||||
8360 | static bool IsNonNegativeIntegerValue(Expr *&ValExpr, Sema &SemaRef, | |||
8361 | OpenMPClauseKind CKind, | |||
8362 | bool StrictlyPositive) { | |||
8363 | if (!ValExpr->isTypeDependent() && !ValExpr->isValueDependent() && | |||
8364 | !ValExpr->isInstantiationDependent()) { | |||
8365 | SourceLocation Loc = ValExpr->getExprLoc(); | |||
8366 | ExprResult Value = | |||
8367 | SemaRef.PerformOpenMPImplicitIntegerConversion(Loc, ValExpr); | |||
8368 | if (Value.isInvalid()) | |||
8369 | return false; | |||
8370 | ||||
8371 | ValExpr = Value.get(); | |||
8372 | // The expression must evaluate to a non-negative integer value. | |||
8373 | llvm::APSInt Result; | |||
8374 | if (ValExpr->isIntegerConstantExpr(Result, SemaRef.Context) && | |||
8375 | Result.isSigned() && | |||
8376 | !((!StrictlyPositive && Result.isNonNegative()) || | |||
8377 | (StrictlyPositive && Result.isStrictlyPositive()))) { | |||
8378 | SemaRef.Diag(Loc, diag::err_omp_negative_expression_in_clause) | |||
8379 | << getOpenMPClauseName(CKind) << (StrictlyPositive ? 1 : 0) | |||
8380 | << ValExpr->getSourceRange(); | |||
8381 | return false; | |||
8382 | } | |||
8383 | } | |||
8384 | return true; | |||
8385 | } | |||
8386 | ||||
8387 | OMPClause *Sema::ActOnOpenMPNumThreadsClause(Expr *NumThreads, | |||
8388 | SourceLocation StartLoc, | |||
8389 | SourceLocation LParenLoc, | |||
8390 | SourceLocation EndLoc) { | |||
8391 | Expr *ValExpr = NumThreads; | |||
8392 | Stmt *HelperValStmt = nullptr; | |||
8393 | ||||
8394 | // OpenMP [2.5, Restrictions] | |||
8395 | // The num_threads expression must evaluate to a positive integer value. | |||
8396 | if (!IsNonNegativeIntegerValue(ValExpr, *this, OMPC_num_threads, | |||
8397 | /*StrictlyPositive=*/true)) | |||
8398 | return nullptr; | |||
8399 | ||||
8400 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | |||
8401 | OpenMPDirectiveKind CaptureRegion = | |||
8402 | getOpenMPCaptureRegionForClause(DKind, OMPC_num_threads); | |||
8403 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { | |||
8404 | ValExpr = MakeFullExpr(ValExpr).get(); | |||
8405 | llvm::MapVector<Expr *, DeclRefExpr *> Captures; | |||
8406 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | |||
8407 | HelperValStmt = buildPreInits(Context, Captures); | |||
8408 | } | |||
8409 | ||||
8410 | return new (Context) OMPNumThreadsClause( | |||
8411 | ValExpr, HelperValStmt, CaptureRegion, StartLoc, LParenLoc, EndLoc); | |||
8412 | } | |||
8413 | ||||
8414 | ExprResult Sema::VerifyPositiveIntegerConstantInClause(Expr *E, | |||
8415 | OpenMPClauseKind CKind, | |||
8416 | bool StrictlyPositive) { | |||
8417 | if (!E) | |||
8418 | return ExprError(); | |||
8419 | if (E->isValueDependent() || E->isTypeDependent() || | |||
8420 | E->isInstantiationDependent() || E->containsUnexpandedParameterPack()) | |||
8421 | return E; | |||
8422 | llvm::APSInt Result; | |||
8423 | ExprResult ICE = VerifyIntegerConstantExpression(E, &Result); | |||
8424 | if (ICE.isInvalid()) | |||
8425 | return ExprError(); | |||
8426 | if ((StrictlyPositive && !Result.isStrictlyPositive()) || | |||
8427 | (!StrictlyPositive && !Result.isNonNegative())) { | |||
8428 | Diag(E->getExprLoc(), diag::err_omp_negative_expression_in_clause) | |||
8429 | << getOpenMPClauseName(CKind) << (StrictlyPositive ? 1 : 0) | |||
8430 | << E->getSourceRange(); | |||
8431 | return ExprError(); | |||
8432 | } | |||
8433 | if (CKind == OMPC_aligned && !Result.isPowerOf2()) { | |||
8434 | Diag(E->getExprLoc(), diag::warn_omp_alignment_not_power_of_two) | |||
8435 | << E->getSourceRange(); | |||
8436 | return ExprError(); | |||
8437 | } | |||
8438 | if (CKind == OMPC_collapse && DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getAssociatedLoops() == 1) | |||
8439 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setAssociatedLoops(Result.getExtValue()); | |||
8440 | else if (CKind == OMPC_ordered) | |||
8441 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setAssociatedLoops(Result.getExtValue()); | |||
8442 | return ICE; | |||
8443 | } | |||
8444 | ||||
8445 | OMPClause *Sema::ActOnOpenMPSafelenClause(Expr *Len, SourceLocation StartLoc, | |||
8446 | SourceLocation LParenLoc, | |||
8447 | SourceLocation EndLoc) { | |||
8448 | // OpenMP [2.8.1, simd construct, Description] | |||
8449 | // The parameter of the safelen clause must be a constant | |||
8450 | // positive integer expression. | |||
8451 | ExprResult Safelen = VerifyPositiveIntegerConstantInClause(Len, OMPC_safelen); | |||
8452 | if (Safelen.isInvalid()) | |||
8453 | return nullptr; | |||
8454 | return new (Context) | |||
8455 | OMPSafelenClause(Safelen.get(), StartLoc, LParenLoc, EndLoc); | |||
8456 | } | |||
8457 | ||||
8458 | OMPClause *Sema::ActOnOpenMPSimdlenClause(Expr *Len, SourceLocation StartLoc, | |||
8459 | SourceLocation LParenLoc, | |||
8460 | SourceLocation EndLoc) { | |||
8461 | // OpenMP [2.8.1, simd construct, Description] | |||
8462 | // The parameter of the simdlen clause must be a constant | |||
8463 | // positive integer expression. | |||
8464 | ExprResult Simdlen = VerifyPositiveIntegerConstantInClause(Len, OMPC_simdlen); | |||
8465 | if (Simdlen.isInvalid()) | |||
8466 | return nullptr; | |||
8467 | return new (Context) | |||
8468 | OMPSimdlenClause(Simdlen.get(), StartLoc, LParenLoc, EndLoc); | |||
8469 | } | |||
8470 | ||||
8471 | OMPClause *Sema::ActOnOpenMPCollapseClause(Expr *NumForLoops, | |||
8472 | SourceLocation StartLoc, | |||
8473 | SourceLocation LParenLoc, | |||
8474 | SourceLocation EndLoc) { | |||
8475 | // OpenMP [2.7.1, loop construct, Description] | |||
8476 | // OpenMP [2.8.1, simd construct, Description] | |||
8477 | // OpenMP [2.9.6, distribute construct, Description] | |||
8478 | // The parameter of the collapse clause must be a constant | |||
8479 | // positive integer expression. | |||
8480 | ExprResult NumForLoopsResult = | |||
8481 | VerifyPositiveIntegerConstantInClause(NumForLoops, OMPC_collapse); | |||
8482 | if (NumForLoopsResult.isInvalid()) | |||
8483 | return nullptr; | |||
8484 | return new (Context) | |||
8485 | OMPCollapseClause(NumForLoopsResult.get(), StartLoc, LParenLoc, EndLoc); | |||
8486 | } | |||
8487 | ||||
8488 | OMPClause *Sema::ActOnOpenMPOrderedClause(SourceLocation StartLoc, | |||
8489 | SourceLocation EndLoc, | |||
8490 | SourceLocation LParenLoc, | |||
8491 | Expr *NumForLoops) { | |||
8492 | // OpenMP [2.7.1, loop construct, Description] | |||
8493 | // OpenMP [2.8.1, simd construct, Description] | |||
8494 | // OpenMP [2.9.6, distribute construct, Description] | |||
8495 | // The parameter of the ordered clause must be a constant | |||
8496 | // positive integer expression if any. | |||
8497 | if (NumForLoops && LParenLoc.isValid()) { | |||
8498 | ExprResult NumForLoopsResult = | |||
8499 | VerifyPositiveIntegerConstantInClause(NumForLoops, OMPC_ordered); | |||
8500 | if (NumForLoopsResult.isInvalid()) | |||
8501 | return nullptr; | |||
8502 | NumForLoops = NumForLoopsResult.get(); | |||
8503 | } else | |||
8504 | NumForLoops = nullptr; | |||
8505 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setOrderedRegion(/*IsOrdered=*/true, NumForLoops); | |||
8506 | return new (Context) | |||
8507 | OMPOrderedClause(NumForLoops, StartLoc, LParenLoc, EndLoc); | |||
8508 | } | |||
8509 | ||||
8510 | OMPClause *Sema::ActOnOpenMPSimpleClause( | |||
8511 | OpenMPClauseKind Kind, unsigned Argument, SourceLocation ArgumentLoc, | |||
8512 | SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation EndLoc) { | |||
8513 | OMPClause *Res = nullptr; | |||
8514 | switch (Kind) { | |||
8515 | case OMPC_default: | |||
8516 | Res = | |||
8517 | ActOnOpenMPDefaultClause(static_cast<OpenMPDefaultClauseKind>(Argument), | |||
8518 | ArgumentLoc, StartLoc, LParenLoc, EndLoc); | |||
8519 | break; | |||
8520 | case OMPC_proc_bind: | |||
8521 | Res = ActOnOpenMPProcBindClause( | |||
8522 | static_cast<OpenMPProcBindClauseKind>(Argument), ArgumentLoc, StartLoc, | |||
8523 | LParenLoc, EndLoc); | |||
8524 | break; | |||
8525 | case OMPC_if: | |||
8526 | case OMPC_final: | |||
8527 | case OMPC_num_threads: | |||
8528 | case OMPC_safelen: | |||
8529 | case OMPC_simdlen: | |||
8530 | case OMPC_collapse: | |||
8531 | case OMPC_schedule: | |||
8532 | case OMPC_private: | |||
8533 | case OMPC_firstprivate: | |||
8534 | case OMPC_lastprivate: | |||
8535 | case OMPC_shared: | |||
8536 | case OMPC_reduction: | |||
8537 | case OMPC_task_reduction: | |||
8538 | case OMPC_in_reduction: | |||
8539 | case OMPC_linear: | |||
8540 | case OMPC_aligned: | |||
8541 | case OMPC_copyin: | |||
8542 | case OMPC_copyprivate: | |||
8543 | case OMPC_ordered: | |||
8544 | case OMPC_nowait: | |||
8545 | case OMPC_untied: | |||
8546 | case OMPC_mergeable: | |||
8547 | case OMPC_threadprivate: | |||
8548 | case OMPC_flush: | |||
8549 | case OMPC_read: | |||
8550 | case OMPC_write: | |||
8551 | case OMPC_update: | |||
8552 | case OMPC_capture: | |||
8553 | case OMPC_seq_cst: | |||
8554 | case OMPC_depend: | |||
8555 | case OMPC_device: | |||
8556 | case OMPC_threads: | |||
8557 | case OMPC_simd: | |||
8558 | case OMPC_map: | |||
8559 | case OMPC_num_teams: | |||
8560 | case OMPC_thread_limit: | |||
8561 | case OMPC_priority: | |||
8562 | case OMPC_grainsize: | |||
8563 | case OMPC_nogroup: | |||
8564 | case OMPC_num_tasks: | |||
8565 | case OMPC_hint: | |||
8566 | case OMPC_dist_schedule: | |||
8567 | case OMPC_defaultmap: | |||
8568 | case OMPC_unknown: | |||
8569 | case OMPC_uniform: | |||
8570 | case OMPC_to: | |||
8571 | case OMPC_from: | |||
8572 | case OMPC_use_device_ptr: | |||
8573 | case OMPC_is_device_ptr: | |||
8574 | llvm_unreachable("Clause is not allowed.")::llvm::llvm_unreachable_internal("Clause is not allowed.", "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 8574); | |||
8575 | } | |||
8576 | return Res; | |||
8577 | } | |||
8578 | ||||
8579 | static std::string | |||
8580 | getListOfPossibleValues(OpenMPClauseKind K, unsigned First, unsigned Last, | |||
8581 | ArrayRef<unsigned> Exclude = llvm::None) { | |||
8582 | std::string Values; | |||
8583 | unsigned Bound = Last >= 2 ? Last - 2 : 0; | |||
8584 | unsigned Skipped = Exclude.size(); | |||
8585 | auto S = Exclude.begin(), E = Exclude.end(); | |||
8586 | for (unsigned i = First; i < Last; ++i) { | |||
8587 | if (std::find(S, E, i) != E) { | |||
8588 | --Skipped; | |||
8589 | continue; | |||
8590 | } | |||
8591 | Values += "'"; | |||
8592 | Values += getOpenMPSimpleClauseTypeName(K, i); | |||
8593 | Values += "'"; | |||
8594 | if (i == Bound - Skipped) | |||
8595 | Values += " or "; | |||
8596 | else if (i != Bound + 1 - Skipped) | |||
8597 | Values += ", "; | |||
8598 | } | |||
8599 | return Values; | |||
8600 | } | |||
8601 | ||||
8602 | OMPClause *Sema::ActOnOpenMPDefaultClause(OpenMPDefaultClauseKind Kind, | |||
8603 | SourceLocation KindKwLoc, | |||
8604 | SourceLocation StartLoc, | |||
8605 | SourceLocation LParenLoc, | |||
8606 | SourceLocation EndLoc) { | |||
8607 | if (Kind == OMPC_DEFAULT_unknown) { | |||
8608 | static_assert(OMPC_DEFAULT_unknown > 0, | |||
8609 | "OMPC_DEFAULT_unknown not greater than 0"); | |||
8610 | Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) | |||
8611 | << getListOfPossibleValues(OMPC_default, /*First=*/0, | |||
8612 | /*Last=*/OMPC_DEFAULT_unknown) | |||
8613 | << getOpenMPClauseName(OMPC_default); | |||
8614 | return nullptr; | |||
8615 | } | |||
8616 | switch (Kind) { | |||
8617 | case OMPC_DEFAULT_none: | |||
8618 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDSANone(KindKwLoc); | |||
8619 | break; | |||
8620 | case OMPC_DEFAULT_shared: | |||
8621 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDSAShared(KindKwLoc); | |||
8622 | break; | |||
8623 | case OMPC_DEFAULT_unknown: | |||
8624 | llvm_unreachable("Clause kind is not allowed.")::llvm::llvm_unreachable_internal("Clause kind is not allowed." , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 8624); | |||
8625 | break; | |||
8626 | } | |||
8627 | return new (Context) | |||
8628 | OMPDefaultClause(Kind, KindKwLoc, StartLoc, LParenLoc, EndLoc); | |||
8629 | } | |||
8630 | ||||
8631 | OMPClause *Sema::ActOnOpenMPProcBindClause(OpenMPProcBindClauseKind Kind, | |||
8632 | SourceLocation KindKwLoc, | |||
8633 | SourceLocation StartLoc, | |||
8634 | SourceLocation LParenLoc, | |||
8635 | SourceLocation EndLoc) { | |||
8636 | if (Kind == OMPC_PROC_BIND_unknown) { | |||
8637 | Diag(KindKwLoc, diag::err_omp_unexpected_clause_value) | |||
8638 | << getListOfPossibleValues(OMPC_proc_bind, /*First=*/0, | |||
8639 | /*Last=*/OMPC_PROC_BIND_unknown) | |||
8640 | << getOpenMPClauseName(OMPC_proc_bind); | |||
8641 | return nullptr; | |||
8642 | } | |||
8643 | return new (Context) | |||
8644 | OMPProcBindClause(Kind, KindKwLoc, StartLoc, LParenLoc, EndLoc); | |||
8645 | } | |||
8646 | ||||
8647 | OMPClause *Sema::ActOnOpenMPSingleExprWithArgClause( | |||
8648 | OpenMPClauseKind Kind, ArrayRef<unsigned> Argument, Expr *Expr, | |||
8649 | SourceLocation StartLoc, SourceLocation LParenLoc, | |||
8650 | ArrayRef<SourceLocation> ArgumentLoc, SourceLocation DelimLoc, | |||
8651 | SourceLocation EndLoc) { | |||
8652 | OMPClause *Res = nullptr; | |||
8653 | switch (Kind) { | |||
8654 | case OMPC_schedule: | |||
8655 | enum { Modifier1, Modifier2, ScheduleKind, NumberOfElements }; | |||
8656 | assert(Argument.size() == NumberOfElements &&(static_cast <bool> (Argument.size() == NumberOfElements && ArgumentLoc.size() == NumberOfElements) ? void (0 ) : __assert_fail ("Argument.size() == NumberOfElements && ArgumentLoc.size() == NumberOfElements" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 8657, __extension__ __PRETTY_FUNCTION__)) | |||
8657 | ArgumentLoc.size() == NumberOfElements)(static_cast <bool> (Argument.size() == NumberOfElements && ArgumentLoc.size() == NumberOfElements) ? void (0 ) : __assert_fail ("Argument.size() == NumberOfElements && ArgumentLoc.size() == NumberOfElements" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 8657, __extension__ __PRETTY_FUNCTION__)); | |||
8658 | Res = ActOnOpenMPScheduleClause( | |||
8659 | static_cast<OpenMPScheduleClauseModifier>(Argument[Modifier1]), | |||
8660 | static_cast<OpenMPScheduleClauseModifier>(Argument[Modifier2]), | |||
8661 | static_cast<OpenMPScheduleClauseKind>(Argument[ScheduleKind]), Expr, | |||
8662 | StartLoc, LParenLoc, ArgumentLoc[Modifier1], ArgumentLoc[Modifier2], | |||
8663 | ArgumentLoc[ScheduleKind], DelimLoc, EndLoc); | |||
8664 | break; | |||
8665 | case OMPC_if: | |||
8666 | assert(Argument.size() == 1 && ArgumentLoc.size() == 1)(static_cast <bool> (Argument.size() == 1 && ArgumentLoc .size() == 1) ? void (0) : __assert_fail ("Argument.size() == 1 && ArgumentLoc.size() == 1" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 8666, __extension__ __PRETTY_FUNCTION__)); | |||
8667 | Res = ActOnOpenMPIfClause(static_cast<OpenMPDirectiveKind>(Argument.back()), | |||
8668 | Expr, StartLoc, LParenLoc, ArgumentLoc.back(), | |||
8669 | DelimLoc, EndLoc); | |||
8670 | break; | |||
8671 | case OMPC_dist_schedule: | |||
8672 | Res = ActOnOpenMPDistScheduleClause( | |||
8673 | static_cast<OpenMPDistScheduleClauseKind>(Argument.back()), Expr, | |||
8674 | StartLoc, LParenLoc, ArgumentLoc.back(), DelimLoc, EndLoc); | |||
8675 | break; | |||
8676 | case OMPC_defaultmap: | |||
8677 | enum { Modifier, DefaultmapKind }; | |||
8678 | Res = ActOnOpenMPDefaultmapClause( | |||
8679 | static_cast<OpenMPDefaultmapClauseModifier>(Argument[Modifier]), | |||
8680 | static_cast<OpenMPDefaultmapClauseKind>(Argument[DefaultmapKind]), | |||
8681 | StartLoc, LParenLoc, ArgumentLoc[Modifier], ArgumentLoc[DefaultmapKind], | |||
8682 | EndLoc); | |||
8683 | break; | |||
8684 | case OMPC_final: | |||
8685 | case OMPC_num_threads: | |||
8686 | case OMPC_safelen: | |||
8687 | case OMPC_simdlen: | |||
8688 | case OMPC_collapse: | |||
8689 | case OMPC_default: | |||
8690 | case OMPC_proc_bind: | |||
8691 | case OMPC_private: | |||
8692 | case OMPC_firstprivate: | |||
8693 | case OMPC_lastprivate: | |||
8694 | case OMPC_shared: | |||
8695 | case OMPC_reduction: | |||
8696 | case OMPC_task_reduction: | |||
8697 | case OMPC_in_reduction: | |||
8698 | case OMPC_linear: | |||
8699 | case OMPC_aligned: | |||
8700 | case OMPC_copyin: | |||
8701 | case OMPC_copyprivate: | |||
8702 | case OMPC_ordered: | |||
8703 | case OMPC_nowait: | |||
8704 | case OMPC_untied: | |||
8705 | case OMPC_mergeable: | |||
8706 | case OMPC_threadprivate: | |||
8707 | case OMPC_flush: | |||
8708 | case OMPC_read: | |||
8709 | case OMPC_write: | |||
8710 | case OMPC_update: | |||
8711 | case OMPC_capture: | |||
8712 | case OMPC_seq_cst: | |||
8713 | case OMPC_depend: | |||
8714 | case OMPC_device: | |||
8715 | case OMPC_threads: | |||
8716 | case OMPC_simd: | |||
8717 | case OMPC_map: | |||
8718 | case OMPC_num_teams: | |||
8719 | case OMPC_thread_limit: | |||
8720 | case OMPC_priority: | |||
8721 | case OMPC_grainsize: | |||
8722 | case OMPC_nogroup: | |||
8723 | case OMPC_num_tasks: | |||
8724 | case OMPC_hint: | |||
8725 | case OMPC_unknown: | |||
8726 | case OMPC_uniform: | |||
8727 | case OMPC_to: | |||
8728 | case OMPC_from: | |||
8729 | case OMPC_use_device_ptr: | |||
8730 | case OMPC_is_device_ptr: | |||
8731 | llvm_unreachable("Clause is not allowed.")::llvm::llvm_unreachable_internal("Clause is not allowed.", "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 8731); | |||
8732 | } | |||
8733 | return Res; | |||
8734 | } | |||
8735 | ||||
8736 | static bool checkScheduleModifiers(Sema &S, OpenMPScheduleClauseModifier M1, | |||
8737 | OpenMPScheduleClauseModifier M2, | |||
8738 | SourceLocation M1Loc, SourceLocation M2Loc) { | |||
8739 | if (M1 == OMPC_SCHEDULE_MODIFIER_unknown && M1Loc.isValid()) { | |||
8740 | SmallVector<unsigned, 2> Excluded; | |||
8741 | if (M2 != OMPC_SCHEDULE_MODIFIER_unknown) | |||
8742 | Excluded.push_back(M2); | |||
8743 | if (M2 == OMPC_SCHEDULE_MODIFIER_nonmonotonic) | |||
8744 | Excluded.push_back(OMPC_SCHEDULE_MODIFIER_monotonic); | |||
8745 | if (M2 == OMPC_SCHEDULE_MODIFIER_monotonic) | |||
8746 | Excluded.push_back(OMPC_SCHEDULE_MODIFIER_nonmonotonic); | |||
8747 | S.Diag(M1Loc, diag::err_omp_unexpected_clause_value) | |||
8748 | << getListOfPossibleValues(OMPC_schedule, | |||
8749 | /*First=*/OMPC_SCHEDULE_MODIFIER_unknown + 1, | |||
8750 | /*Last=*/OMPC_SCHEDULE_MODIFIER_last, | |||
8751 | Excluded) | |||
8752 | << getOpenMPClauseName(OMPC_schedule); | |||
8753 | return true; | |||
8754 | } | |||
8755 | return false; | |||
8756 | } | |||
8757 | ||||
8758 | OMPClause *Sema::ActOnOpenMPScheduleClause( | |||
8759 | OpenMPScheduleClauseModifier M1, OpenMPScheduleClauseModifier M2, | |||
8760 | OpenMPScheduleClauseKind Kind, Expr *ChunkSize, SourceLocation StartLoc, | |||
8761 | SourceLocation LParenLoc, SourceLocation M1Loc, SourceLocation M2Loc, | |||
8762 | SourceLocation KindLoc, SourceLocation CommaLoc, SourceLocation EndLoc) { | |||
8763 | if (checkScheduleModifiers(*this, M1, M2, M1Loc, M2Loc) || | |||
8764 | checkScheduleModifiers(*this, M2, M1, M2Loc, M1Loc)) | |||
8765 | return nullptr; | |||
8766 | // OpenMP, 2.7.1, Loop Construct, Restrictions | |||
8767 | // Either the monotonic modifier or the nonmonotonic modifier can be specified | |||
8768 | // but not both. | |||
8769 | if ((M1 == M2 && M1 != OMPC_SCHEDULE_MODIFIER_unknown) || | |||
8770 | (M1 == OMPC_SCHEDULE_MODIFIER_monotonic && | |||
8771 | M2 == OMPC_SCHEDULE_MODIFIER_nonmonotonic) || | |||
8772 | (M1 == OMPC_SCHEDULE_MODIFIER_nonmonotonic && | |||
8773 | M2 == OMPC_SCHEDULE_MODIFIER_monotonic)) { | |||
8774 | Diag(M2Loc, diag::err_omp_unexpected_schedule_modifier) | |||
8775 | << getOpenMPSimpleClauseTypeName(OMPC_schedule, M2) | |||
8776 | << getOpenMPSimpleClauseTypeName(OMPC_schedule, M1); | |||
8777 | return nullptr; | |||
8778 | } | |||
8779 | if (Kind == OMPC_SCHEDULE_unknown) { | |||
8780 | std::string Values; | |||
8781 | if (M1Loc.isInvalid() && M2Loc.isInvalid()) { | |||
8782 | unsigned Exclude[] = {OMPC_SCHEDULE_unknown}; | |||
8783 | Values = getListOfPossibleValues(OMPC_schedule, /*First=*/0, | |||
8784 | /*Last=*/OMPC_SCHEDULE_MODIFIER_last, | |||
8785 | Exclude); | |||
8786 | } else { | |||
8787 | Values = getListOfPossibleValues(OMPC_schedule, /*First=*/0, | |||
8788 | /*Last=*/OMPC_SCHEDULE_unknown); | |||
8789 | } | |||
8790 | Diag(KindLoc, diag::err_omp_unexpected_clause_value) | |||
8791 | << Values << getOpenMPClauseName(OMPC_schedule); | |||
8792 | return nullptr; | |||
8793 | } | |||
8794 | // OpenMP, 2.7.1, Loop Construct, Restrictions | |||
8795 | // The nonmonotonic modifier can only be specified with schedule(dynamic) or | |||
8796 | // schedule(guided). | |||
8797 | if ((M1 == OMPC_SCHEDULE_MODIFIER_nonmonotonic || | |||
8798 | M2 == OMPC_SCHEDULE_MODIFIER_nonmonotonic) && | |||
8799 | Kind != OMPC_SCHEDULE_dynamic && Kind != OMPC_SCHEDULE_guided) { | |||
8800 | Diag(M1 == OMPC_SCHEDULE_MODIFIER_nonmonotonic ? M1Loc : M2Loc, | |||
8801 | diag::err_omp_schedule_nonmonotonic_static); | |||
8802 | return nullptr; | |||
8803 | } | |||
8804 | Expr *ValExpr = ChunkSize; | |||
8805 | Stmt *HelperValStmt = nullptr; | |||
8806 | if (ChunkSize) { | |||
8807 | if (!ChunkSize->isValueDependent() && !ChunkSize->isTypeDependent() && | |||
8808 | !ChunkSize->isInstantiationDependent() && | |||
8809 | !ChunkSize->containsUnexpandedParameterPack()) { | |||
8810 | SourceLocation ChunkSizeLoc = ChunkSize->getLocStart(); | |||
8811 | ExprResult Val = | |||
8812 | PerformOpenMPImplicitIntegerConversion(ChunkSizeLoc, ChunkSize); | |||
8813 | if (Val.isInvalid()) | |||
8814 | return nullptr; | |||
8815 | ||||
8816 | ValExpr = Val.get(); | |||
8817 | ||||
8818 | // OpenMP [2.7.1, Restrictions] | |||
8819 | // chunk_size must be a loop invariant integer expression with a positive | |||
8820 | // value. | |||
8821 | llvm::APSInt Result; | |||
8822 | if (ValExpr->isIntegerConstantExpr(Result, Context)) { | |||
8823 | if (Result.isSigned() && !Result.isStrictlyPositive()) { | |||
8824 | Diag(ChunkSizeLoc, diag::err_omp_negative_expression_in_clause) | |||
8825 | << "schedule" << 1 << ChunkSize->getSourceRange(); | |||
8826 | return nullptr; | |||
8827 | } | |||
8828 | } else if (getOpenMPCaptureRegionForClause( | |||
8829 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(), OMPC_schedule) != | |||
8830 | OMPD_unknown && | |||
8831 | !CurContext->isDependentContext()) { | |||
8832 | ValExpr = MakeFullExpr(ValExpr).get(); | |||
8833 | llvm::MapVector<Expr *, DeclRefExpr *> Captures; | |||
8834 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | |||
8835 | HelperValStmt = buildPreInits(Context, Captures); | |||
8836 | } | |||
8837 | } | |||
8838 | } | |||
8839 | ||||
8840 | return new (Context) | |||
8841 | OMPScheduleClause(StartLoc, LParenLoc, KindLoc, CommaLoc, EndLoc, Kind, | |||
8842 | ValExpr, HelperValStmt, M1, M1Loc, M2, M2Loc); | |||
8843 | } | |||
8844 | ||||
8845 | OMPClause *Sema::ActOnOpenMPClause(OpenMPClauseKind Kind, | |||
8846 | SourceLocation StartLoc, | |||
8847 | SourceLocation EndLoc) { | |||
8848 | OMPClause *Res = nullptr; | |||
8849 | switch (Kind) { | |||
8850 | case OMPC_ordered: | |||
8851 | Res = ActOnOpenMPOrderedClause(StartLoc, EndLoc); | |||
8852 | break; | |||
8853 | case OMPC_nowait: | |||
8854 | Res = ActOnOpenMPNowaitClause(StartLoc, EndLoc); | |||
8855 | break; | |||
8856 | case OMPC_untied: | |||
8857 | Res = ActOnOpenMPUntiedClause(StartLoc, EndLoc); | |||
8858 | break; | |||
8859 | case OMPC_mergeable: | |||
8860 | Res = ActOnOpenMPMergeableClause(StartLoc, EndLoc); | |||
8861 | break; | |||
8862 | case OMPC_read: | |||
8863 | Res = ActOnOpenMPReadClause(StartLoc, EndLoc); | |||
8864 | break; | |||
8865 | case OMPC_write: | |||
8866 | Res = ActOnOpenMPWriteClause(StartLoc, EndLoc); | |||
8867 | break; | |||
8868 | case OMPC_update: | |||
8869 | Res = ActOnOpenMPUpdateClause(StartLoc, EndLoc); | |||
8870 | break; | |||
8871 | case OMPC_capture: | |||
8872 | Res = ActOnOpenMPCaptureClause(StartLoc, EndLoc); | |||
8873 | break; | |||
8874 | case OMPC_seq_cst: | |||
8875 | Res = ActOnOpenMPSeqCstClause(StartLoc, EndLoc); | |||
8876 | break; | |||
8877 | case OMPC_threads: | |||
8878 | Res = ActOnOpenMPThreadsClause(StartLoc, EndLoc); | |||
8879 | break; | |||
8880 | case OMPC_simd: | |||
8881 | Res = ActOnOpenMPSIMDClause(StartLoc, EndLoc); | |||
8882 | break; | |||
8883 | case OMPC_nogroup: | |||
8884 | Res = ActOnOpenMPNogroupClause(StartLoc, EndLoc); | |||
8885 | break; | |||
8886 | case OMPC_if: | |||
8887 | case OMPC_final: | |||
8888 | case OMPC_num_threads: | |||
8889 | case OMPC_safelen: | |||
8890 | case OMPC_simdlen: | |||
8891 | case OMPC_collapse: | |||
8892 | case OMPC_schedule: | |||
8893 | case OMPC_private: | |||
8894 | case OMPC_firstprivate: | |||
8895 | case OMPC_lastprivate: | |||
8896 | case OMPC_shared: | |||
8897 | case OMPC_reduction: | |||
8898 | case OMPC_task_reduction: | |||
8899 | case OMPC_in_reduction: | |||
8900 | case OMPC_linear: | |||
8901 | case OMPC_aligned: | |||
8902 | case OMPC_copyin: | |||
8903 | case OMPC_copyprivate: | |||
8904 | case OMPC_default: | |||
8905 | case OMPC_proc_bind: | |||
8906 | case OMPC_threadprivate: | |||
8907 | case OMPC_flush: | |||
8908 | case OMPC_depend: | |||
8909 | case OMPC_device: | |||
8910 | case OMPC_map: | |||
8911 | case OMPC_num_teams: | |||
8912 | case OMPC_thread_limit: | |||
8913 | case OMPC_priority: | |||
8914 | case OMPC_grainsize: | |||
8915 | case OMPC_num_tasks: | |||
8916 | case OMPC_hint: | |||
8917 | case OMPC_dist_schedule: | |||
8918 | case OMPC_defaultmap: | |||
8919 | case OMPC_unknown: | |||
8920 | case OMPC_uniform: | |||
8921 | case OMPC_to: | |||
8922 | case OMPC_from: | |||
8923 | case OMPC_use_device_ptr: | |||
8924 | case OMPC_is_device_ptr: | |||
8925 | llvm_unreachable("Clause is not allowed.")::llvm::llvm_unreachable_internal("Clause is not allowed.", "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 8925); | |||
8926 | } | |||
8927 | return Res; | |||
8928 | } | |||
8929 | ||||
8930 | OMPClause *Sema::ActOnOpenMPNowaitClause(SourceLocation StartLoc, | |||
8931 | SourceLocation EndLoc) { | |||
8932 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setNowaitRegion(); | |||
8933 | return new (Context) OMPNowaitClause(StartLoc, EndLoc); | |||
8934 | } | |||
8935 | ||||
8936 | OMPClause *Sema::ActOnOpenMPUntiedClause(SourceLocation StartLoc, | |||
8937 | SourceLocation EndLoc) { | |||
8938 | return new (Context) OMPUntiedClause(StartLoc, EndLoc); | |||
8939 | } | |||
8940 | ||||
8941 | OMPClause *Sema::ActOnOpenMPMergeableClause(SourceLocation StartLoc, | |||
8942 | SourceLocation EndLoc) { | |||
8943 | return new (Context) OMPMergeableClause(StartLoc, EndLoc); | |||
8944 | } | |||
8945 | ||||
8946 | OMPClause *Sema::ActOnOpenMPReadClause(SourceLocation StartLoc, | |||
8947 | SourceLocation EndLoc) { | |||
8948 | return new (Context) OMPReadClause(StartLoc, EndLoc); | |||
8949 | } | |||
8950 | ||||
8951 | OMPClause *Sema::ActOnOpenMPWriteClause(SourceLocation StartLoc, | |||
8952 | SourceLocation EndLoc) { | |||
8953 | return new (Context) OMPWriteClause(StartLoc, EndLoc); | |||
8954 | } | |||
8955 | ||||
8956 | OMPClause *Sema::ActOnOpenMPUpdateClause(SourceLocation StartLoc, | |||
8957 | SourceLocation EndLoc) { | |||
8958 | return new (Context) OMPUpdateClause(StartLoc, EndLoc); | |||
8959 | } | |||
8960 | ||||
8961 | OMPClause *Sema::ActOnOpenMPCaptureClause(SourceLocation StartLoc, | |||
8962 | SourceLocation EndLoc) { | |||
8963 | return new (Context) OMPCaptureClause(StartLoc, EndLoc); | |||
8964 | } | |||
8965 | ||||
8966 | OMPClause *Sema::ActOnOpenMPSeqCstClause(SourceLocation StartLoc, | |||
8967 | SourceLocation EndLoc) { | |||
8968 | return new (Context) OMPSeqCstClause(StartLoc, EndLoc); | |||
8969 | } | |||
8970 | ||||
8971 | OMPClause *Sema::ActOnOpenMPThreadsClause(SourceLocation StartLoc, | |||
8972 | SourceLocation EndLoc) { | |||
8973 | return new (Context) OMPThreadsClause(StartLoc, EndLoc); | |||
8974 | } | |||
8975 | ||||
8976 | OMPClause *Sema::ActOnOpenMPSIMDClause(SourceLocation StartLoc, | |||
8977 | SourceLocation EndLoc) { | |||
8978 | return new (Context) OMPSIMDClause(StartLoc, EndLoc); | |||
8979 | } | |||
8980 | ||||
8981 | OMPClause *Sema::ActOnOpenMPNogroupClause(SourceLocation StartLoc, | |||
8982 | SourceLocation EndLoc) { | |||
8983 | return new (Context) OMPNogroupClause(StartLoc, EndLoc); | |||
8984 | } | |||
8985 | ||||
8986 | OMPClause *Sema::ActOnOpenMPVarListClause( | |||
8987 | OpenMPClauseKind Kind, ArrayRef<Expr *> VarList, Expr *TailExpr, | |||
8988 | SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation ColonLoc, | |||
8989 | SourceLocation EndLoc, CXXScopeSpec &ReductionIdScopeSpec, | |||
8990 | const DeclarationNameInfo &ReductionId, OpenMPDependClauseKind DepKind, | |||
8991 | OpenMPLinearClauseKind LinKind, OpenMPMapClauseKind MapTypeModifier, | |||
8992 | OpenMPMapClauseKind MapType, bool IsMapTypeImplicit, | |||
8993 | SourceLocation DepLinMapLoc) { | |||
8994 | OMPClause *Res = nullptr; | |||
8995 | switch (Kind) { | |||
8996 | case OMPC_private: | |||
8997 | Res = ActOnOpenMPPrivateClause(VarList, StartLoc, LParenLoc, EndLoc); | |||
8998 | break; | |||
8999 | case OMPC_firstprivate: | |||
9000 | Res = ActOnOpenMPFirstprivateClause(VarList, StartLoc, LParenLoc, EndLoc); | |||
9001 | break; | |||
9002 | case OMPC_lastprivate: | |||
9003 | Res = ActOnOpenMPLastprivateClause(VarList, StartLoc, LParenLoc, EndLoc); | |||
9004 | break; | |||
9005 | case OMPC_shared: | |||
9006 | Res = ActOnOpenMPSharedClause(VarList, StartLoc, LParenLoc, EndLoc); | |||
9007 | break; | |||
9008 | case OMPC_reduction: | |||
9009 | Res = ActOnOpenMPReductionClause(VarList, StartLoc, LParenLoc, ColonLoc, | |||
9010 | EndLoc, ReductionIdScopeSpec, ReductionId); | |||
9011 | break; | |||
9012 | case OMPC_task_reduction: | |||
9013 | Res = ActOnOpenMPTaskReductionClause(VarList, StartLoc, LParenLoc, ColonLoc, | |||
9014 | EndLoc, ReductionIdScopeSpec, | |||
9015 | ReductionId); | |||
9016 | break; | |||
9017 | case OMPC_in_reduction: | |||
9018 | Res = | |||
9019 | ActOnOpenMPInReductionClause(VarList, StartLoc, LParenLoc, ColonLoc, | |||
9020 | EndLoc, ReductionIdScopeSpec, ReductionId); | |||
9021 | break; | |||
9022 | case OMPC_linear: | |||
9023 | Res = ActOnOpenMPLinearClause(VarList, TailExpr, StartLoc, LParenLoc, | |||
9024 | LinKind, DepLinMapLoc, ColonLoc, EndLoc); | |||
9025 | break; | |||
9026 | case OMPC_aligned: | |||
9027 | Res = ActOnOpenMPAlignedClause(VarList, TailExpr, StartLoc, LParenLoc, | |||
9028 | ColonLoc, EndLoc); | |||
9029 | break; | |||
9030 | case OMPC_copyin: | |||
9031 | Res = ActOnOpenMPCopyinClause(VarList, StartLoc, LParenLoc, EndLoc); | |||
9032 | break; | |||
9033 | case OMPC_copyprivate: | |||
9034 | Res = ActOnOpenMPCopyprivateClause(VarList, StartLoc, LParenLoc, EndLoc); | |||
9035 | break; | |||
9036 | case OMPC_flush: | |||
9037 | Res = ActOnOpenMPFlushClause(VarList, StartLoc, LParenLoc, EndLoc); | |||
9038 | break; | |||
9039 | case OMPC_depend: | |||
9040 | Res = ActOnOpenMPDependClause(DepKind, DepLinMapLoc, ColonLoc, VarList, | |||
9041 | StartLoc, LParenLoc, EndLoc); | |||
9042 | break; | |||
9043 | case OMPC_map: | |||
9044 | Res = ActOnOpenMPMapClause(MapTypeModifier, MapType, IsMapTypeImplicit, | |||
9045 | DepLinMapLoc, ColonLoc, VarList, StartLoc, | |||
9046 | LParenLoc, EndLoc); | |||
9047 | break; | |||
9048 | case OMPC_to: | |||
9049 | Res = ActOnOpenMPToClause(VarList, StartLoc, LParenLoc, EndLoc); | |||
9050 | break; | |||
9051 | case OMPC_from: | |||
9052 | Res = ActOnOpenMPFromClause(VarList, StartLoc, LParenLoc, EndLoc); | |||
9053 | break; | |||
9054 | case OMPC_use_device_ptr: | |||
9055 | Res = ActOnOpenMPUseDevicePtrClause(VarList, StartLoc, LParenLoc, EndLoc); | |||
9056 | break; | |||
9057 | case OMPC_is_device_ptr: | |||
9058 | Res = ActOnOpenMPIsDevicePtrClause(VarList, StartLoc, LParenLoc, EndLoc); | |||
9059 | break; | |||
9060 | case OMPC_if: | |||
9061 | case OMPC_final: | |||
9062 | case OMPC_num_threads: | |||
9063 | case OMPC_safelen: | |||
9064 | case OMPC_simdlen: | |||
9065 | case OMPC_collapse: | |||
9066 | case OMPC_default: | |||
9067 | case OMPC_proc_bind: | |||
9068 | case OMPC_schedule: | |||
9069 | case OMPC_ordered: | |||
9070 | case OMPC_nowait: | |||
9071 | case OMPC_untied: | |||
9072 | case OMPC_mergeable: | |||
9073 | case OMPC_threadprivate: | |||
9074 | case OMPC_read: | |||
9075 | case OMPC_write: | |||
9076 | case OMPC_update: | |||
9077 | case OMPC_capture: | |||
9078 | case OMPC_seq_cst: | |||
9079 | case OMPC_device: | |||
9080 | case OMPC_threads: | |||
9081 | case OMPC_simd: | |||
9082 | case OMPC_num_teams: | |||
9083 | case OMPC_thread_limit: | |||
9084 | case OMPC_priority: | |||
9085 | case OMPC_grainsize: | |||
9086 | case OMPC_nogroup: | |||
9087 | case OMPC_num_tasks: | |||
9088 | case OMPC_hint: | |||
9089 | case OMPC_dist_schedule: | |||
9090 | case OMPC_defaultmap: | |||
9091 | case OMPC_unknown: | |||
9092 | case OMPC_uniform: | |||
9093 | llvm_unreachable("Clause is not allowed.")::llvm::llvm_unreachable_internal("Clause is not allowed.", "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 9093); | |||
9094 | } | |||
9095 | return Res; | |||
9096 | } | |||
9097 | ||||
9098 | ExprResult Sema::getOpenMPCapturedExpr(VarDecl *Capture, ExprValueKind VK, | |||
9099 | ExprObjectKind OK, SourceLocation Loc) { | |||
9100 | ExprResult Res = BuildDeclRefExpr( | |||
9101 | Capture, Capture->getType().getNonReferenceType(), VK_LValue, Loc); | |||
9102 | if (!Res.isUsable()) | |||
9103 | return ExprError(); | |||
9104 | if (OK == OK_Ordinary && !getLangOpts().CPlusPlus) { | |||
9105 | Res = CreateBuiltinUnaryOp(Loc, UO_Deref, Res.get()); | |||
9106 | if (!Res.isUsable()) | |||
9107 | return ExprError(); | |||
9108 | } | |||
9109 | if (VK != VK_LValue && Res.get()->isGLValue()) { | |||
9110 | Res = DefaultLvalueConversion(Res.get()); | |||
9111 | if (!Res.isUsable()) | |||
9112 | return ExprError(); | |||
9113 | } | |||
9114 | return Res; | |||
9115 | } | |||
9116 | ||||
9117 | static std::pair<ValueDecl *, bool> | |||
9118 | getPrivateItem(Sema &S, Expr *&RefExpr, SourceLocation &ELoc, | |||
9119 | SourceRange &ERange, bool AllowArraySection = false) { | |||
9120 | if (RefExpr->isTypeDependent() || RefExpr->isValueDependent() || | |||
9121 | RefExpr->containsUnexpandedParameterPack()) | |||
9122 | return std::make_pair(nullptr, true); | |||
9123 | ||||
9124 | // OpenMP [3.1, C/C++] | |||
9125 | // A list item is a variable name. | |||
9126 | // OpenMP [2.9.3.3, Restrictions, p.1] | |||
9127 | // A variable that is part of another variable (as an array or | |||
9128 | // structure element) cannot appear in a private clause. | |||
9129 | RefExpr = RefExpr->IgnoreParens(); | |||
9130 | enum { | |||
9131 | NoArrayExpr = -1, | |||
9132 | ArraySubscript = 0, | |||
9133 | OMPArraySection = 1 | |||
9134 | } IsArrayExpr = NoArrayExpr; | |||
9135 | if (AllowArraySection) { | |||
9136 | if (auto *ASE = dyn_cast_or_null<ArraySubscriptExpr>(RefExpr)) { | |||
9137 | auto *Base = ASE->getBase()->IgnoreParenImpCasts(); | |||
9138 | while (auto *TempASE = dyn_cast<ArraySubscriptExpr>(Base)) | |||
9139 | Base = TempASE->getBase()->IgnoreParenImpCasts(); | |||
9140 | RefExpr = Base; | |||
9141 | IsArrayExpr = ArraySubscript; | |||
9142 | } else if (auto *OASE = dyn_cast_or_null<OMPArraySectionExpr>(RefExpr)) { | |||
9143 | auto *Base = OASE->getBase()->IgnoreParenImpCasts(); | |||
9144 | while (auto *TempOASE = dyn_cast<OMPArraySectionExpr>(Base)) | |||
9145 | Base = TempOASE->getBase()->IgnoreParenImpCasts(); | |||
9146 | while (auto *TempASE = dyn_cast<ArraySubscriptExpr>(Base)) | |||
9147 | Base = TempASE->getBase()->IgnoreParenImpCasts(); | |||
9148 | RefExpr = Base; | |||
9149 | IsArrayExpr = OMPArraySection; | |||
9150 | } | |||
9151 | } | |||
9152 | ELoc = RefExpr->getExprLoc(); | |||
9153 | ERange = RefExpr->getSourceRange(); | |||
9154 | RefExpr = RefExpr->IgnoreParenImpCasts(); | |||
9155 | auto *DE = dyn_cast_or_null<DeclRefExpr>(RefExpr); | |||
9156 | auto *ME = dyn_cast_or_null<MemberExpr>(RefExpr); | |||
9157 | if ((!DE || !isa<VarDecl>(DE->getDecl())) && | |||
9158 | (S.getCurrentThisType().isNull() || !ME || | |||
9159 | !isa<CXXThisExpr>(ME->getBase()->IgnoreParenImpCasts()) || | |||
9160 | !isa<FieldDecl>(ME->getMemberDecl()))) { | |||
9161 | if (IsArrayExpr != NoArrayExpr) | |||
9162 | S.Diag(ELoc, diag::err_omp_expected_base_var_name) << IsArrayExpr | |||
9163 | << ERange; | |||
9164 | else { | |||
9165 | S.Diag(ELoc, | |||
9166 | AllowArraySection | |||
9167 | ? diag::err_omp_expected_var_name_member_expr_or_array_item | |||
9168 | : diag::err_omp_expected_var_name_member_expr) | |||
9169 | << (S.getCurrentThisType().isNull() ? 0 : 1) << ERange; | |||
9170 | } | |||
9171 | return std::make_pair(nullptr, false); | |||
9172 | } | |||
9173 | return std::make_pair( | |||
9174 | getCanonicalDecl(DE ? DE->getDecl() : ME->getMemberDecl()), false); | |||
9175 | } | |||
9176 | ||||
9177 | OMPClause *Sema::ActOnOpenMPPrivateClause(ArrayRef<Expr *> VarList, | |||
9178 | SourceLocation StartLoc, | |||
9179 | SourceLocation LParenLoc, | |||
9180 | SourceLocation EndLoc) { | |||
9181 | SmallVector<Expr *, 8> Vars; | |||
9182 | SmallVector<Expr *, 8> PrivateCopies; | |||
9183 | for (auto &RefExpr : VarList) { | |||
9184 | assert(RefExpr && "NULL expr in OpenMP private clause.")(static_cast <bool> (RefExpr && "NULL expr in OpenMP private clause." ) ? void (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP private clause.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 9184, __extension__ __PRETTY_FUNCTION__)); | |||
9185 | SourceLocation ELoc; | |||
9186 | SourceRange ERange; | |||
9187 | Expr *SimpleRefExpr = RefExpr; | |||
9188 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | |||
9189 | if (Res.second) { | |||
9190 | // It will be analyzed later. | |||
9191 | Vars.push_back(RefExpr); | |||
9192 | PrivateCopies.push_back(nullptr); | |||
9193 | } | |||
9194 | ValueDecl *D = Res.first; | |||
9195 | if (!D) | |||
9196 | continue; | |||
9197 | ||||
9198 | QualType Type = D->getType(); | |||
9199 | auto *VD = dyn_cast<VarDecl>(D); | |||
9200 | ||||
9201 | // OpenMP [2.9.3.3, Restrictions, C/C++, p.3] | |||
9202 | // A variable that appears in a private clause must not have an incomplete | |||
9203 | // type or a reference type. | |||
9204 | if (RequireCompleteType(ELoc, Type, diag::err_omp_private_incomplete_type)) | |||
9205 | continue; | |||
9206 | Type = Type.getNonReferenceType(); | |||
9207 | ||||
9208 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
9209 | // in a Construct] | |||
9210 | // Variables with the predetermined data-sharing attributes may not be | |||
9211 | // listed in data-sharing attributes clauses, except for the cases | |||
9212 | // listed below. For these exceptions only, listing a predetermined | |||
9213 | // variable in a data-sharing attribute clause is allowed and overrides | |||
9214 | // the variable's predetermined data-sharing attributes. | |||
9215 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, false); | |||
9216 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_private) { | |||
9217 | Diag(ELoc, diag::err_omp_wrong_dsa) << getOpenMPClauseName(DVar.CKind) | |||
9218 | << getOpenMPClauseName(OMPC_private); | |||
9219 | ReportOriginalDSA(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | |||
9220 | continue; | |||
9221 | } | |||
9222 | ||||
9223 | auto CurrDir = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | |||
9224 | // Variably modified types are not supported for tasks. | |||
9225 | if (!Type->isAnyPointerType() && Type->isVariablyModifiedType() && | |||
9226 | isOpenMPTaskingDirective(CurrDir)) { | |||
9227 | Diag(ELoc, diag::err_omp_variably_modified_type_not_supported) | |||
9228 | << getOpenMPClauseName(OMPC_private) << Type | |||
9229 | << getOpenMPDirectiveName(CurrDir); | |||
9230 | bool IsDecl = | |||
9231 | !VD || | |||
9232 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | |||
9233 | Diag(D->getLocation(), | |||
9234 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
9235 | << D; | |||
9236 | continue; | |||
9237 | } | |||
9238 | ||||
9239 | // OpenMP 4.5 [2.15.5.1, Restrictions, p.3] | |||
9240 | // A list item cannot appear in both a map clause and a data-sharing | |||
9241 | // attribute clause on the same construct | |||
9242 | if (CurrDir == OMPD_target || CurrDir == OMPD_target_parallel || | |||
9243 | CurrDir == OMPD_target_teams || | |||
9244 | CurrDir == OMPD_target_teams_distribute || | |||
9245 | CurrDir == OMPD_target_teams_distribute_parallel_for || | |||
9246 | CurrDir == OMPD_target_teams_distribute_parallel_for_simd || | |||
9247 | CurrDir == OMPD_target_teams_distribute_simd || | |||
9248 | CurrDir == OMPD_target_parallel_for_simd || | |||
9249 | CurrDir == OMPD_target_parallel_for) { | |||
9250 | OpenMPClauseKind ConflictKind; | |||
9251 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDecl( | |||
9252 | VD, /*CurrentRegionOnly=*/true, | |||
9253 | [&](OMPClauseMappableExprCommon::MappableExprComponentListRef, | |||
9254 | OpenMPClauseKind WhereFoundClauseKind) -> bool { | |||
9255 | ConflictKind = WhereFoundClauseKind; | |||
9256 | return true; | |||
9257 | })) { | |||
9258 | Diag(ELoc, diag::err_omp_variable_in_given_clause_and_dsa) | |||
9259 | << getOpenMPClauseName(OMPC_private) | |||
9260 | << getOpenMPClauseName(ConflictKind) | |||
9261 | << getOpenMPDirectiveName(CurrDir); | |||
9262 | ReportOriginalDSA(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | |||
9263 | continue; | |||
9264 | } | |||
9265 | } | |||
9266 | ||||
9267 | // OpenMP [2.9.3.3, Restrictions, C/C++, p.1] | |||
9268 | // A variable of class type (or array thereof) that appears in a private | |||
9269 | // clause requires an accessible, unambiguous default constructor for the | |||
9270 | // class type. | |||
9271 | // Generate helper private variable and initialize it with the default | |||
9272 | // value. The address of the original variable is replaced by the address of | |||
9273 | // the new private variable in CodeGen. This new variable is not added to | |||
9274 | // IdResolver, so the code in the OpenMP region uses original variable for | |||
9275 | // proper diagnostics. | |||
9276 | Type = Type.getUnqualifiedType(); | |||
9277 | auto VDPrivate = buildVarDecl(*this, ELoc, Type, D->getName(), | |||
9278 | D->hasAttrs() ? &D->getAttrs() : nullptr); | |||
9279 | ActOnUninitializedDecl(VDPrivate); | |||
9280 | if (VDPrivate->isInvalidDecl()) | |||
9281 | continue; | |||
9282 | auto VDPrivateRefExpr = buildDeclRefExpr( | |||
9283 | *this, VDPrivate, RefExpr->getType().getUnqualifiedType(), ELoc); | |||
9284 | ||||
9285 | DeclRefExpr *Ref = nullptr; | |||
9286 | if (!VD && !CurContext->isDependentContext()) | |||
9287 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/false); | |||
9288 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_private, Ref); | |||
9289 | Vars.push_back((VD || CurContext->isDependentContext()) | |||
9290 | ? RefExpr->IgnoreParens() | |||
9291 | : Ref); | |||
9292 | PrivateCopies.push_back(VDPrivateRefExpr); | |||
9293 | } | |||
9294 | ||||
9295 | if (Vars.empty()) | |||
9296 | return nullptr; | |||
9297 | ||||
9298 | return OMPPrivateClause::Create(Context, StartLoc, LParenLoc, EndLoc, Vars, | |||
9299 | PrivateCopies); | |||
9300 | } | |||
9301 | ||||
9302 | namespace { | |||
9303 | class DiagsUninitializedSeveretyRAII { | |||
9304 | private: | |||
9305 | DiagnosticsEngine &Diags; | |||
9306 | SourceLocation SavedLoc; | |||
9307 | bool IsIgnored; | |||
9308 | ||||
9309 | public: | |||
9310 | DiagsUninitializedSeveretyRAII(DiagnosticsEngine &Diags, SourceLocation Loc, | |||
9311 | bool IsIgnored) | |||
9312 | : Diags(Diags), SavedLoc(Loc), IsIgnored(IsIgnored) { | |||
9313 | if (!IsIgnored) { | |||
9314 | Diags.setSeverity(/*Diag*/ diag::warn_uninit_self_reference_in_init, | |||
9315 | /*Map*/ diag::Severity::Ignored, Loc); | |||
9316 | } | |||
9317 | } | |||
9318 | ~DiagsUninitializedSeveretyRAII() { | |||
9319 | if (!IsIgnored) | |||
9320 | Diags.popMappings(SavedLoc); | |||
9321 | } | |||
9322 | }; | |||
9323 | } | |||
9324 | ||||
9325 | OMPClause *Sema::ActOnOpenMPFirstprivateClause(ArrayRef<Expr *> VarList, | |||
9326 | SourceLocation StartLoc, | |||
9327 | SourceLocation LParenLoc, | |||
9328 | SourceLocation EndLoc) { | |||
9329 | SmallVector<Expr *, 8> Vars; | |||
9330 | SmallVector<Expr *, 8> PrivateCopies; | |||
9331 | SmallVector<Expr *, 8> Inits; | |||
9332 | SmallVector<Decl *, 4> ExprCaptures; | |||
9333 | bool IsImplicitClause = | |||
9334 | StartLoc.isInvalid() && LParenLoc.isInvalid() && EndLoc.isInvalid(); | |||
9335 | auto ImplicitClauseLoc = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getConstructLoc(); | |||
9336 | ||||
9337 | for (auto &RefExpr : VarList) { | |||
9338 | assert(RefExpr && "NULL expr in OpenMP firstprivate clause.")(static_cast <bool> (RefExpr && "NULL expr in OpenMP firstprivate clause." ) ? void (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP firstprivate clause.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 9338, __extension__ __PRETTY_FUNCTION__)); | |||
9339 | SourceLocation ELoc; | |||
9340 | SourceRange ERange; | |||
9341 | Expr *SimpleRefExpr = RefExpr; | |||
9342 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | |||
9343 | if (Res.second) { | |||
9344 | // It will be analyzed later. | |||
9345 | Vars.push_back(RefExpr); | |||
9346 | PrivateCopies.push_back(nullptr); | |||
9347 | Inits.push_back(nullptr); | |||
9348 | } | |||
9349 | ValueDecl *D = Res.first; | |||
9350 | if (!D) | |||
9351 | continue; | |||
9352 | ||||
9353 | ELoc = IsImplicitClause ? ImplicitClauseLoc : ELoc; | |||
9354 | QualType Type = D->getType(); | |||
9355 | auto *VD = dyn_cast<VarDecl>(D); | |||
9356 | ||||
9357 | // OpenMP [2.9.3.3, Restrictions, C/C++, p.3] | |||
9358 | // A variable that appears in a private clause must not have an incomplete | |||
9359 | // type or a reference type. | |||
9360 | if (RequireCompleteType(ELoc, Type, | |||
9361 | diag::err_omp_firstprivate_incomplete_type)) | |||
9362 | continue; | |||
9363 | Type = Type.getNonReferenceType(); | |||
9364 | ||||
9365 | // OpenMP [2.9.3.4, Restrictions, C/C++, p.1] | |||
9366 | // A variable of class type (or array thereof) that appears in a private | |||
9367 | // clause requires an accessible, unambiguous copy constructor for the | |||
9368 | // class type. | |||
9369 | auto ElemType = Context.getBaseElementType(Type).getNonReferenceType(); | |||
9370 | ||||
9371 | // If an implicit firstprivate variable found it was checked already. | |||
9372 | DSAStackTy::DSAVarData TopDVar; | |||
9373 | if (!IsImplicitClause) { | |||
9374 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, false); | |||
9375 | TopDVar = DVar; | |||
9376 | OpenMPDirectiveKind CurrDir = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | |||
9377 | bool IsConstant = ElemType.isConstant(Context); | |||
9378 | // OpenMP [2.4.13, Data-sharing Attribute Clauses] | |||
9379 | // A list item that specifies a given variable may not appear in more | |||
9380 | // than one clause on the same directive, except that a variable may be | |||
9381 | // specified in both firstprivate and lastprivate clauses. | |||
9382 | // OpenMP 4.5 [2.10.8, Distribute Construct, p.3] | |||
9383 | // A list item may appear in a firstprivate or lastprivate clause but not | |||
9384 | // both. | |||
9385 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_firstprivate && | |||
9386 | (isOpenMPDistributeDirective(CurrDir) || | |||
9387 | DVar.CKind != OMPC_lastprivate) && | |||
9388 | DVar.RefExpr) { | |||
9389 | Diag(ELoc, diag::err_omp_wrong_dsa) | |||
9390 | << getOpenMPClauseName(DVar.CKind) | |||
9391 | << getOpenMPClauseName(OMPC_firstprivate); | |||
9392 | ReportOriginalDSA(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | |||
9393 | continue; | |||
9394 | } | |||
9395 | ||||
9396 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
9397 | // in a Construct] | |||
9398 | // Variables with the predetermined data-sharing attributes may not be | |||
9399 | // listed in data-sharing attributes clauses, except for the cases | |||
9400 | // listed below. For these exceptions only, listing a predetermined | |||
9401 | // variable in a data-sharing attribute clause is allowed and overrides | |||
9402 | // the variable's predetermined data-sharing attributes. | |||
9403 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
9404 | // in a Construct, C/C++, p.2] | |||
9405 | // Variables with const-qualified type having no mutable member may be | |||
9406 | // listed in a firstprivate clause, even if they are static data members. | |||
9407 | if (!(IsConstant || (VD && VD->isStaticDataMember())) && !DVar.RefExpr && | |||
9408 | DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_shared) { | |||
9409 | Diag(ELoc, diag::err_omp_wrong_dsa) | |||
9410 | << getOpenMPClauseName(DVar.CKind) | |||
9411 | << getOpenMPClauseName(OMPC_firstprivate); | |||
9412 | ReportOriginalDSA(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | |||
9413 | continue; | |||
9414 | } | |||
9415 | ||||
9416 | // OpenMP [2.9.3.4, Restrictions, p.2] | |||
9417 | // A list item that is private within a parallel region must not appear | |||
9418 | // in a firstprivate clause on a worksharing construct if any of the | |||
9419 | // worksharing regions arising from the worksharing construct ever bind | |||
9420 | // to any of the parallel regions arising from the parallel construct. | |||
9421 | // OpenMP 4.5 [2.15.3.4, Restrictions, p.3] | |||
9422 | // A list item that is private within a teams region must not appear in a | |||
9423 | // firstprivate clause on a distribute construct if any of the distribute | |||
9424 | // regions arising from the distribute construct ever bind to any of the | |||
9425 | // teams regions arising from the teams construct. | |||
9426 | // OpenMP 4.5 [2.15.3.4, Restrictions, p.3] | |||
9427 | // A list item that appears in a reduction clause of a teams construct | |||
9428 | // must not appear in a firstprivate clause on a distribute construct if | |||
9429 | // any of the distribute regions arising from the distribute construct | |||
9430 | // ever bind to any of the teams regions arising from the teams construct. | |||
9431 | if ((isOpenMPWorksharingDirective(CurrDir) || | |||
9432 | isOpenMPDistributeDirective(CurrDir)) && | |||
9433 | !isOpenMPParallelDirective(CurrDir) && | |||
9434 | !isOpenMPTeamsDirective(CurrDir)) { | |||
9435 | DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getImplicitDSA(D, true); | |||
9436 | if (DVar.CKind != OMPC_shared && | |||
9437 | (isOpenMPParallelDirective(DVar.DKind) || | |||
9438 | isOpenMPTeamsDirective(DVar.DKind) || | |||
9439 | DVar.DKind == OMPD_unknown)) { | |||
9440 | Diag(ELoc, diag::err_omp_required_access) | |||
9441 | << getOpenMPClauseName(OMPC_firstprivate) | |||
9442 | << getOpenMPClauseName(OMPC_shared); | |||
9443 | ReportOriginalDSA(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | |||
9444 | continue; | |||
9445 | } | |||
9446 | } | |||
9447 | // OpenMP [2.9.3.4, Restrictions, p.3] | |||
9448 | // A list item that appears in a reduction clause of a parallel construct | |||
9449 | // must not appear in a firstprivate clause on a worksharing or task | |||
9450 | // construct if any of the worksharing or task regions arising from the | |||
9451 | // worksharing or task construct ever bind to any of the parallel regions | |||
9452 | // arising from the parallel construct. | |||
9453 | // OpenMP [2.9.3.4, Restrictions, p.4] | |||
9454 | // A list item that appears in a reduction clause in worksharing | |||
9455 | // construct must not appear in a firstprivate clause in a task construct | |||
9456 | // encountered during execution of any of the worksharing regions arising | |||
9457 | // from the worksharing construct. | |||
9458 | if (isOpenMPTaskingDirective(CurrDir)) { | |||
9459 | DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->hasInnermostDSA( | |||
9460 | D, [](OpenMPClauseKind C) -> bool { return C == OMPC_reduction; }, | |||
9461 | [](OpenMPDirectiveKind K) -> bool { | |||
9462 | return isOpenMPParallelDirective(K) || | |||
9463 | isOpenMPWorksharingDirective(K) || | |||
9464 | isOpenMPTeamsDirective(K); | |||
9465 | }, | |||
9466 | /*FromParent=*/true); | |||
9467 | if (DVar.CKind == OMPC_reduction && | |||
9468 | (isOpenMPParallelDirective(DVar.DKind) || | |||
9469 | isOpenMPWorksharingDirective(DVar.DKind) || | |||
9470 | isOpenMPTeamsDirective(DVar.DKind))) { | |||
9471 | Diag(ELoc, diag::err_omp_parallel_reduction_in_task_firstprivate) | |||
9472 | << getOpenMPDirectiveName(DVar.DKind); | |||
9473 | ReportOriginalDSA(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | |||
9474 | continue; | |||
9475 | } | |||
9476 | } | |||
9477 | ||||
9478 | // OpenMP 4.5 [2.15.5.1, Restrictions, p.3] | |||
9479 | // A list item cannot appear in both a map clause and a data-sharing | |||
9480 | // attribute clause on the same construct | |||
9481 | if (isOpenMPTargetExecutionDirective(CurrDir)) { | |||
9482 | OpenMPClauseKind ConflictKind; | |||
9483 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDecl( | |||
9484 | VD, /*CurrentRegionOnly=*/true, | |||
9485 | [&](OMPClauseMappableExprCommon::MappableExprComponentListRef, | |||
9486 | OpenMPClauseKind WhereFoundClauseKind) -> bool { | |||
9487 | ConflictKind = WhereFoundClauseKind; | |||
9488 | return true; | |||
9489 | })) { | |||
9490 | Diag(ELoc, diag::err_omp_variable_in_given_clause_and_dsa) | |||
9491 | << getOpenMPClauseName(OMPC_firstprivate) | |||
9492 | << getOpenMPClauseName(ConflictKind) | |||
9493 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); | |||
9494 | ReportOriginalDSA(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | |||
9495 | continue; | |||
9496 | } | |||
9497 | } | |||
9498 | } | |||
9499 | ||||
9500 | // Variably modified types are not supported for tasks. | |||
9501 | if (!Type->isAnyPointerType() && Type->isVariablyModifiedType() && | |||
9502 | isOpenMPTaskingDirective(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective())) { | |||
9503 | Diag(ELoc, diag::err_omp_variably_modified_type_not_supported) | |||
9504 | << getOpenMPClauseName(OMPC_firstprivate) << Type | |||
9505 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); | |||
9506 | bool IsDecl = | |||
9507 | !VD || | |||
9508 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | |||
9509 | Diag(D->getLocation(), | |||
9510 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
9511 | << D; | |||
9512 | continue; | |||
9513 | } | |||
9514 | ||||
9515 | Type = Type.getUnqualifiedType(); | |||
9516 | auto VDPrivate = buildVarDecl(*this, ELoc, Type, D->getName(), | |||
9517 | D->hasAttrs() ? &D->getAttrs() : nullptr); | |||
9518 | // Generate helper private variable and initialize it with the value of the | |||
9519 | // original variable. The address of the original variable is replaced by | |||
9520 | // the address of the new private variable in the CodeGen. This new variable | |||
9521 | // is not added to IdResolver, so the code in the OpenMP region uses | |||
9522 | // original variable for proper diagnostics and variable capturing. | |||
9523 | Expr *VDInitRefExpr = nullptr; | |||
9524 | // For arrays generate initializer for single element and replace it by the | |||
9525 | // original array element in CodeGen. | |||
9526 | if (Type->isArrayType()) { | |||
9527 | auto VDInit = | |||
9528 | buildVarDecl(*this, RefExpr->getExprLoc(), ElemType, D->getName()); | |||
9529 | VDInitRefExpr = buildDeclRefExpr(*this, VDInit, ElemType, ELoc); | |||
9530 | auto Init = DefaultLvalueConversion(VDInitRefExpr).get(); | |||
9531 | ElemType = ElemType.getUnqualifiedType(); | |||
9532 | auto *VDInitTemp = buildVarDecl(*this, RefExpr->getExprLoc(), ElemType, | |||
9533 | ".firstprivate.temp"); | |||
9534 | InitializedEntity Entity = | |||
9535 | InitializedEntity::InitializeVariable(VDInitTemp); | |||
9536 | InitializationKind Kind = InitializationKind::CreateCopy(ELoc, ELoc); | |||
9537 | ||||
9538 | InitializationSequence InitSeq(*this, Entity, Kind, Init); | |||
9539 | ExprResult Result = InitSeq.Perform(*this, Entity, Kind, Init); | |||
9540 | if (Result.isInvalid()) | |||
9541 | VDPrivate->setInvalidDecl(); | |||
9542 | else | |||
9543 | VDPrivate->setInit(Result.getAs<Expr>()); | |||
9544 | // Remove temp variable declaration. | |||
9545 | Context.Deallocate(VDInitTemp); | |||
9546 | } else { | |||
9547 | auto *VDInit = buildVarDecl(*this, RefExpr->getExprLoc(), Type, | |||
9548 | ".firstprivate.temp"); | |||
9549 | VDInitRefExpr = buildDeclRefExpr(*this, VDInit, RefExpr->getType(), | |||
9550 | RefExpr->getExprLoc()); | |||
9551 | AddInitializerToDecl(VDPrivate, | |||
9552 | DefaultLvalueConversion(VDInitRefExpr).get(), | |||
9553 | /*DirectInit=*/false); | |||
9554 | } | |||
9555 | if (VDPrivate->isInvalidDecl()) { | |||
9556 | if (IsImplicitClause) { | |||
9557 | Diag(RefExpr->getExprLoc(), | |||
9558 | diag::note_omp_task_predetermined_firstprivate_here); | |||
9559 | } | |||
9560 | continue; | |||
9561 | } | |||
9562 | CurContext->addDecl(VDPrivate); | |||
9563 | auto VDPrivateRefExpr = buildDeclRefExpr( | |||
9564 | *this, VDPrivate, RefExpr->getType().getUnqualifiedType(), | |||
9565 | RefExpr->getExprLoc()); | |||
9566 | DeclRefExpr *Ref = nullptr; | |||
9567 | if (!VD && !CurContext->isDependentContext()) { | |||
9568 | if (TopDVar.CKind == OMPC_lastprivate) | |||
9569 | Ref = TopDVar.PrivateCopy; | |||
9570 | else { | |||
9571 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/true); | |||
9572 | if (!IsOpenMPCapturedDecl(D)) | |||
9573 | ExprCaptures.push_back(Ref->getDecl()); | |||
9574 | } | |||
9575 | } | |||
9576 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_firstprivate, Ref); | |||
9577 | Vars.push_back((VD || CurContext->isDependentContext()) | |||
9578 | ? RefExpr->IgnoreParens() | |||
9579 | : Ref); | |||
9580 | PrivateCopies.push_back(VDPrivateRefExpr); | |||
9581 | Inits.push_back(VDInitRefExpr); | |||
9582 | } | |||
9583 | ||||
9584 | if (Vars.empty()) | |||
9585 | return nullptr; | |||
9586 | ||||
9587 | return OMPFirstprivateClause::Create(Context, StartLoc, LParenLoc, EndLoc, | |||
9588 | Vars, PrivateCopies, Inits, | |||
9589 | buildPreInits(Context, ExprCaptures)); | |||
9590 | } | |||
9591 | ||||
9592 | OMPClause *Sema::ActOnOpenMPLastprivateClause(ArrayRef<Expr *> VarList, | |||
9593 | SourceLocation StartLoc, | |||
9594 | SourceLocation LParenLoc, | |||
9595 | SourceLocation EndLoc) { | |||
9596 | SmallVector<Expr *, 8> Vars; | |||
9597 | SmallVector<Expr *, 8> SrcExprs; | |||
9598 | SmallVector<Expr *, 8> DstExprs; | |||
9599 | SmallVector<Expr *, 8> AssignmentOps; | |||
9600 | SmallVector<Decl *, 4> ExprCaptures; | |||
9601 | SmallVector<Expr *, 4> ExprPostUpdates; | |||
9602 | for (auto &RefExpr : VarList) { | |||
9603 | assert(RefExpr && "NULL expr in OpenMP lastprivate clause.")(static_cast <bool> (RefExpr && "NULL expr in OpenMP lastprivate clause." ) ? void (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP lastprivate clause.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 9603, __extension__ __PRETTY_FUNCTION__)); | |||
9604 | SourceLocation ELoc; | |||
9605 | SourceRange ERange; | |||
9606 | Expr *SimpleRefExpr = RefExpr; | |||
9607 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | |||
9608 | if (Res.second) { | |||
9609 | // It will be analyzed later. | |||
9610 | Vars.push_back(RefExpr); | |||
9611 | SrcExprs.push_back(nullptr); | |||
9612 | DstExprs.push_back(nullptr); | |||
9613 | AssignmentOps.push_back(nullptr); | |||
9614 | } | |||
9615 | ValueDecl *D = Res.first; | |||
9616 | if (!D) | |||
9617 | continue; | |||
9618 | ||||
9619 | QualType Type = D->getType(); | |||
9620 | auto *VD = dyn_cast<VarDecl>(D); | |||
9621 | ||||
9622 | // OpenMP [2.14.3.5, Restrictions, C/C++, p.2] | |||
9623 | // A variable that appears in a lastprivate clause must not have an | |||
9624 | // incomplete type or a reference type. | |||
9625 | if (RequireCompleteType(ELoc, Type, | |||
9626 | diag::err_omp_lastprivate_incomplete_type)) | |||
9627 | continue; | |||
9628 | Type = Type.getNonReferenceType(); | |||
9629 | ||||
9630 | OpenMPDirectiveKind CurrDir = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | |||
9631 | // OpenMP [2.14.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
9632 | // in a Construct] | |||
9633 | // Variables with the predetermined data-sharing attributes may not be | |||
9634 | // listed in data-sharing attributes clauses, except for the cases | |||
9635 | // listed below. | |||
9636 | // OpenMP 4.5 [2.10.8, Distribute Construct, p.3] | |||
9637 | // A list item may appear in a firstprivate or lastprivate clause but not | |||
9638 | // both. | |||
9639 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, false); | |||
9640 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_lastprivate && | |||
9641 | (isOpenMPDistributeDirective(CurrDir) || | |||
9642 | DVar.CKind != OMPC_firstprivate) && | |||
9643 | (DVar.CKind != OMPC_private || DVar.RefExpr != nullptr)) { | |||
9644 | Diag(ELoc, diag::err_omp_wrong_dsa) | |||
9645 | << getOpenMPClauseName(DVar.CKind) | |||
9646 | << getOpenMPClauseName(OMPC_lastprivate); | |||
9647 | ReportOriginalDSA(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | |||
9648 | continue; | |||
9649 | } | |||
9650 | ||||
9651 | // OpenMP [2.14.3.5, Restrictions, p.2] | |||
9652 | // A list item that is private within a parallel region, or that appears in | |||
9653 | // the reduction clause of a parallel construct, must not appear in a | |||
9654 | // lastprivate clause on a worksharing construct if any of the corresponding | |||
9655 | // worksharing regions ever binds to any of the corresponding parallel | |||
9656 | // regions. | |||
9657 | DSAStackTy::DSAVarData TopDVar = DVar; | |||
9658 | if (isOpenMPWorksharingDirective(CurrDir) && | |||
9659 | !isOpenMPParallelDirective(CurrDir) && | |||
9660 | !isOpenMPTeamsDirective(CurrDir)) { | |||
9661 | DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getImplicitDSA(D, true); | |||
9662 | if (DVar.CKind != OMPC_shared) { | |||
9663 | Diag(ELoc, diag::err_omp_required_access) | |||
9664 | << getOpenMPClauseName(OMPC_lastprivate) | |||
9665 | << getOpenMPClauseName(OMPC_shared); | |||
9666 | ReportOriginalDSA(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | |||
9667 | continue; | |||
9668 | } | |||
9669 | } | |||
9670 | ||||
9671 | // OpenMP [2.14.3.5, Restrictions, C++, p.1,2] | |||
9672 | // A variable of class type (or array thereof) that appears in a | |||
9673 | // lastprivate clause requires an accessible, unambiguous default | |||
9674 | // constructor for the class type, unless the list item is also specified | |||
9675 | // in a firstprivate clause. | |||
9676 | // A variable of class type (or array thereof) that appears in a | |||
9677 | // lastprivate clause requires an accessible, unambiguous copy assignment | |||
9678 | // operator for the class type. | |||
9679 | Type = Context.getBaseElementType(Type).getNonReferenceType(); | |||
9680 | auto *SrcVD = buildVarDecl(*this, ERange.getBegin(), | |||
9681 | Type.getUnqualifiedType(), ".lastprivate.src", | |||
9682 | D->hasAttrs() ? &D->getAttrs() : nullptr); | |||
9683 | auto *PseudoSrcExpr = | |||
9684 | buildDeclRefExpr(*this, SrcVD, Type.getUnqualifiedType(), ELoc); | |||
9685 | auto *DstVD = | |||
9686 | buildVarDecl(*this, ERange.getBegin(), Type, ".lastprivate.dst", | |||
9687 | D->hasAttrs() ? &D->getAttrs() : nullptr); | |||
9688 | auto *PseudoDstExpr = buildDeclRefExpr(*this, DstVD, Type, ELoc); | |||
9689 | // For arrays generate assignment operation for single element and replace | |||
9690 | // it by the original array element in CodeGen. | |||
9691 | auto AssignmentOp = BuildBinOp(/*S=*/nullptr, ELoc, BO_Assign, | |||
9692 | PseudoDstExpr, PseudoSrcExpr); | |||
9693 | if (AssignmentOp.isInvalid()) | |||
9694 | continue; | |||
9695 | AssignmentOp = ActOnFinishFullExpr(AssignmentOp.get(), ELoc, | |||
9696 | /*DiscardedValue=*/true); | |||
9697 | if (AssignmentOp.isInvalid()) | |||
9698 | continue; | |||
9699 | ||||
9700 | DeclRefExpr *Ref = nullptr; | |||
9701 | if (!VD && !CurContext->isDependentContext()) { | |||
9702 | if (TopDVar.CKind == OMPC_firstprivate) | |||
9703 | Ref = TopDVar.PrivateCopy; | |||
9704 | else { | |||
9705 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/false); | |||
9706 | if (!IsOpenMPCapturedDecl(D)) | |||
9707 | ExprCaptures.push_back(Ref->getDecl()); | |||
9708 | } | |||
9709 | if (TopDVar.CKind == OMPC_firstprivate || | |||
9710 | (!IsOpenMPCapturedDecl(D) && | |||
9711 | Ref->getDecl()->hasAttr<OMPCaptureNoInitAttr>())) { | |||
9712 | ExprResult RefRes = DefaultLvalueConversion(Ref); | |||
9713 | if (!RefRes.isUsable()) | |||
9714 | continue; | |||
9715 | ExprResult PostUpdateRes = | |||
9716 | BuildBinOp(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurScope(), ELoc, BO_Assign, SimpleRefExpr, | |||
9717 | RefRes.get()); | |||
9718 | if (!PostUpdateRes.isUsable()) | |||
9719 | continue; | |||
9720 | ExprPostUpdates.push_back( | |||
9721 | IgnoredValueConversions(PostUpdateRes.get()).get()); | |||
9722 | } | |||
9723 | } | |||
9724 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_lastprivate, Ref); | |||
9725 | Vars.push_back((VD || CurContext->isDependentContext()) | |||
9726 | ? RefExpr->IgnoreParens() | |||
9727 | : Ref); | |||
9728 | SrcExprs.push_back(PseudoSrcExpr); | |||
9729 | DstExprs.push_back(PseudoDstExpr); | |||
9730 | AssignmentOps.push_back(AssignmentOp.get()); | |||
9731 | } | |||
9732 | ||||
9733 | if (Vars.empty()) | |||
9734 | return nullptr; | |||
9735 | ||||
9736 | return OMPLastprivateClause::Create(Context, StartLoc, LParenLoc, EndLoc, | |||
9737 | Vars, SrcExprs, DstExprs, AssignmentOps, | |||
9738 | buildPreInits(Context, ExprCaptures), | |||
9739 | buildPostUpdate(*this, ExprPostUpdates)); | |||
9740 | } | |||
9741 | ||||
9742 | OMPClause *Sema::ActOnOpenMPSharedClause(ArrayRef<Expr *> VarList, | |||
9743 | SourceLocation StartLoc, | |||
9744 | SourceLocation LParenLoc, | |||
9745 | SourceLocation EndLoc) { | |||
9746 | SmallVector<Expr *, 8> Vars; | |||
9747 | for (auto &RefExpr : VarList) { | |||
9748 | assert(RefExpr && "NULL expr in OpenMP lastprivate clause.")(static_cast <bool> (RefExpr && "NULL expr in OpenMP lastprivate clause." ) ? void (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP lastprivate clause.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 9748, __extension__ __PRETTY_FUNCTION__)); | |||
9749 | SourceLocation ELoc; | |||
9750 | SourceRange ERange; | |||
9751 | Expr *SimpleRefExpr = RefExpr; | |||
9752 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | |||
9753 | if (Res.second) { | |||
9754 | // It will be analyzed later. | |||
9755 | Vars.push_back(RefExpr); | |||
9756 | } | |||
9757 | ValueDecl *D = Res.first; | |||
9758 | if (!D) | |||
9759 | continue; | |||
9760 | ||||
9761 | auto *VD = dyn_cast<VarDecl>(D); | |||
9762 | // OpenMP [2.9.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
9763 | // in a Construct] | |||
9764 | // Variables with the predetermined data-sharing attributes may not be | |||
9765 | // listed in data-sharing attributes clauses, except for the cases | |||
9766 | // listed below. For these exceptions only, listing a predetermined | |||
9767 | // variable in a data-sharing attribute clause is allowed and overrides | |||
9768 | // the variable's predetermined data-sharing attributes. | |||
9769 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, false); | |||
9770 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_shared && | |||
9771 | DVar.RefExpr) { | |||
9772 | Diag(ELoc, diag::err_omp_wrong_dsa) << getOpenMPClauseName(DVar.CKind) | |||
9773 | << getOpenMPClauseName(OMPC_shared); | |||
9774 | ReportOriginalDSA(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | |||
9775 | continue; | |||
9776 | } | |||
9777 | ||||
9778 | DeclRefExpr *Ref = nullptr; | |||
9779 | if (!VD && IsOpenMPCapturedDecl(D) && !CurContext->isDependentContext()) | |||
9780 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/true); | |||
9781 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_shared, Ref); | |||
9782 | Vars.push_back((VD || !Ref || CurContext->isDependentContext()) | |||
9783 | ? RefExpr->IgnoreParens() | |||
9784 | : Ref); | |||
9785 | } | |||
9786 | ||||
9787 | if (Vars.empty()) | |||
9788 | return nullptr; | |||
9789 | ||||
9790 | return OMPSharedClause::Create(Context, StartLoc, LParenLoc, EndLoc, Vars); | |||
9791 | } | |||
9792 | ||||
9793 | namespace { | |||
9794 | class DSARefChecker : public StmtVisitor<DSARefChecker, bool> { | |||
9795 | DSAStackTy *Stack; | |||
9796 | ||||
9797 | public: | |||
9798 | bool VisitDeclRefExpr(DeclRefExpr *E) { | |||
9799 | if (VarDecl *VD = dyn_cast<VarDecl>(E->getDecl())) { | |||
9800 | DSAStackTy::DSAVarData DVar = Stack->getTopDSA(VD, false); | |||
9801 | if (DVar.CKind == OMPC_shared && !DVar.RefExpr) | |||
9802 | return false; | |||
9803 | if (DVar.CKind != OMPC_unknown) | |||
9804 | return true; | |||
9805 | DSAStackTy::DSAVarData DVarPrivate = Stack->hasDSA( | |||
9806 | VD, isOpenMPPrivate, [](OpenMPDirectiveKind) -> bool { return true; }, | |||
9807 | /*FromParent=*/true); | |||
9808 | if (DVarPrivate.CKind != OMPC_unknown) | |||
9809 | return true; | |||
9810 | return false; | |||
9811 | } | |||
9812 | return false; | |||
9813 | } | |||
9814 | bool VisitStmt(Stmt *S) { | |||
9815 | for (auto Child : S->children()) { | |||
9816 | if (Child && Visit(Child)) | |||
9817 | return true; | |||
9818 | } | |||
9819 | return false; | |||
9820 | } | |||
9821 | explicit DSARefChecker(DSAStackTy *S) : Stack(S) {} | |||
9822 | }; | |||
9823 | } // namespace | |||
9824 | ||||
9825 | namespace { | |||
9826 | // Transform MemberExpression for specified FieldDecl of current class to | |||
9827 | // DeclRefExpr to specified OMPCapturedExprDecl. | |||
9828 | class TransformExprToCaptures : public TreeTransform<TransformExprToCaptures> { | |||
9829 | typedef TreeTransform<TransformExprToCaptures> BaseTransform; | |||
9830 | ValueDecl *Field; | |||
9831 | DeclRefExpr *CapturedExpr; | |||
9832 | ||||
9833 | public: | |||
9834 | TransformExprToCaptures(Sema &SemaRef, ValueDecl *FieldDecl) | |||
9835 | : BaseTransform(SemaRef), Field(FieldDecl), CapturedExpr(nullptr) {} | |||
9836 | ||||
9837 | ExprResult TransformMemberExpr(MemberExpr *E) { | |||
9838 | if (isa<CXXThisExpr>(E->getBase()->IgnoreParenImpCasts()) && | |||
9839 | E->getMemberDecl() == Field) { | |||
9840 | CapturedExpr = buildCapture(SemaRef, Field, E, /*WithInit=*/false); | |||
9841 | return CapturedExpr; | |||
9842 | } | |||
9843 | return BaseTransform::TransformMemberExpr(E); | |||
9844 | } | |||
9845 | DeclRefExpr *getCapturedExpr() { return CapturedExpr; } | |||
9846 | }; | |||
9847 | } // namespace | |||
9848 | ||||
9849 | template <typename T> | |||
9850 | static T filterLookupForUDR(SmallVectorImpl<UnresolvedSet<8>> &Lookups, | |||
9851 | const llvm::function_ref<T(ValueDecl *)> &Gen) { | |||
9852 | for (auto &Set : Lookups) { | |||
9853 | for (auto *D : Set) { | |||
9854 | if (auto Res = Gen(cast<ValueDecl>(D))) | |||
9855 | return Res; | |||
9856 | } | |||
9857 | } | |||
9858 | return T(); | |||
9859 | } | |||
9860 | ||||
9861 | static ExprResult | |||
9862 | buildDeclareReductionRef(Sema &SemaRef, SourceLocation Loc, SourceRange Range, | |||
9863 | Scope *S, CXXScopeSpec &ReductionIdScopeSpec, | |||
9864 | const DeclarationNameInfo &ReductionId, QualType Ty, | |||
9865 | CXXCastPath &BasePath, Expr *UnresolvedReduction) { | |||
9866 | if (ReductionIdScopeSpec.isInvalid()) | |||
9867 | return ExprError(); | |||
9868 | SmallVector<UnresolvedSet<8>, 4> Lookups; | |||
9869 | if (S) { | |||
9870 | LookupResult Lookup(SemaRef, ReductionId, Sema::LookupOMPReductionName); | |||
9871 | Lookup.suppressDiagnostics(); | |||
9872 | while (S && SemaRef.LookupParsedName(Lookup, S, &ReductionIdScopeSpec)) { | |||
9873 | auto *D = Lookup.getRepresentativeDecl(); | |||
9874 | do { | |||
9875 | S = S->getParent(); | |||
9876 | } while (S && !S->isDeclScope(D)); | |||
9877 | if (S) | |||
9878 | S = S->getParent(); | |||
9879 | Lookups.push_back(UnresolvedSet<8>()); | |||
9880 | Lookups.back().append(Lookup.begin(), Lookup.end()); | |||
9881 | Lookup.clear(); | |||
9882 | } | |||
9883 | } else if (auto *ULE = | |||
9884 | cast_or_null<UnresolvedLookupExpr>(UnresolvedReduction)) { | |||
9885 | Lookups.push_back(UnresolvedSet<8>()); | |||
9886 | Decl *PrevD = nullptr; | |||
9887 | for (auto *D : ULE->decls()) { | |||
9888 | if (D == PrevD) | |||
9889 | Lookups.push_back(UnresolvedSet<8>()); | |||
9890 | else if (auto *DRD = cast<OMPDeclareReductionDecl>(D)) | |||
9891 | Lookups.back().addDecl(DRD); | |||
9892 | PrevD = D; | |||
9893 | } | |||
9894 | } | |||
9895 | if (SemaRef.CurContext->isDependentContext() || Ty->isDependentType() || | |||
9896 | Ty->isInstantiationDependentType() || | |||
9897 | Ty->containsUnexpandedParameterPack() || | |||
9898 | filterLookupForUDR<bool>(Lookups, [](ValueDecl *D) -> bool { | |||
9899 | return !D->isInvalidDecl() && | |||
9900 | (D->getType()->isDependentType() || | |||
9901 | D->getType()->isInstantiationDependentType() || | |||
9902 | D->getType()->containsUnexpandedParameterPack()); | |||
9903 | })) { | |||
9904 | UnresolvedSet<8> ResSet; | |||
9905 | for (auto &Set : Lookups) { | |||
9906 | ResSet.append(Set.begin(), Set.end()); | |||
9907 | // The last item marks the end of all declarations at the specified scope. | |||
9908 | ResSet.addDecl(Set[Set.size() - 1]); | |||
9909 | } | |||
9910 | return UnresolvedLookupExpr::Create( | |||
9911 | SemaRef.Context, /*NamingClass=*/nullptr, | |||
9912 | ReductionIdScopeSpec.getWithLocInContext(SemaRef.Context), ReductionId, | |||
9913 | /*ADL=*/true, /*Overloaded=*/true, ResSet.begin(), ResSet.end()); | |||
9914 | } | |||
9915 | if (auto *VD = filterLookupForUDR<ValueDecl *>( | |||
9916 | Lookups, [&SemaRef, Ty](ValueDecl *D) -> ValueDecl * { | |||
9917 | if (!D->isInvalidDecl() && | |||
9918 | SemaRef.Context.hasSameType(D->getType(), Ty)) | |||
9919 | return D; | |||
9920 | return nullptr; | |||
9921 | })) | |||
9922 | return SemaRef.BuildDeclRefExpr(VD, Ty, VK_LValue, Loc); | |||
9923 | if (auto *VD = filterLookupForUDR<ValueDecl *>( | |||
9924 | Lookups, [&SemaRef, Ty, Loc](ValueDecl *D) -> ValueDecl * { | |||
9925 | if (!D->isInvalidDecl() && | |||
9926 | SemaRef.IsDerivedFrom(Loc, Ty, D->getType()) && | |||
9927 | !Ty.isMoreQualifiedThan(D->getType())) | |||
9928 | return D; | |||
9929 | return nullptr; | |||
9930 | })) { | |||
9931 | CXXBasePaths Paths(/*FindAmbiguities=*/true, /*RecordPaths=*/true, | |||
9932 | /*DetectVirtual=*/false); | |||
9933 | if (SemaRef.IsDerivedFrom(Loc, Ty, VD->getType(), Paths)) { | |||
9934 | if (!Paths.isAmbiguous(SemaRef.Context.getCanonicalType( | |||
9935 | VD->getType().getUnqualifiedType()))) { | |||
9936 | if (SemaRef.CheckBaseClassAccess(Loc, VD->getType(), Ty, Paths.front(), | |||
9937 | /*DiagID=*/0) != | |||
9938 | Sema::AR_inaccessible) { | |||
9939 | SemaRef.BuildBasePathArray(Paths, BasePath); | |||
9940 | return SemaRef.BuildDeclRefExpr(VD, Ty, VK_LValue, Loc); | |||
9941 | } | |||
9942 | } | |||
9943 | } | |||
9944 | } | |||
9945 | if (ReductionIdScopeSpec.isSet()) { | |||
9946 | SemaRef.Diag(Loc, diag::err_omp_not_resolved_reduction_identifier) << Range; | |||
9947 | return ExprError(); | |||
9948 | } | |||
9949 | return ExprEmpty(); | |||
9950 | } | |||
9951 | ||||
9952 | namespace { | |||
9953 | /// Data for the reduction-based clauses. | |||
9954 | struct ReductionData { | |||
9955 | /// List of original reduction items. | |||
9956 | SmallVector<Expr *, 8> Vars; | |||
9957 | /// List of private copies of the reduction items. | |||
9958 | SmallVector<Expr *, 8> Privates; | |||
9959 | /// LHS expressions for the reduction_op expressions. | |||
9960 | SmallVector<Expr *, 8> LHSs; | |||
9961 | /// RHS expressions for the reduction_op expressions. | |||
9962 | SmallVector<Expr *, 8> RHSs; | |||
9963 | /// Reduction operation expression. | |||
9964 | SmallVector<Expr *, 8> ReductionOps; | |||
9965 | /// Taskgroup descriptors for the corresponding reduction items in | |||
9966 | /// in_reduction clauses. | |||
9967 | SmallVector<Expr *, 8> TaskgroupDescriptors; | |||
9968 | /// List of captures for clause. | |||
9969 | SmallVector<Decl *, 4> ExprCaptures; | |||
9970 | /// List of postupdate expressions. | |||
9971 | SmallVector<Expr *, 4> ExprPostUpdates; | |||
9972 | ReductionData() = delete; | |||
9973 | /// Reserves required memory for the reduction data. | |||
9974 | ReductionData(unsigned Size) { | |||
9975 | Vars.reserve(Size); | |||
9976 | Privates.reserve(Size); | |||
9977 | LHSs.reserve(Size); | |||
9978 | RHSs.reserve(Size); | |||
9979 | ReductionOps.reserve(Size); | |||
9980 | TaskgroupDescriptors.reserve(Size); | |||
9981 | ExprCaptures.reserve(Size); | |||
9982 | ExprPostUpdates.reserve(Size); | |||
9983 | } | |||
9984 | /// Stores reduction item and reduction operation only (required for dependent | |||
9985 | /// reduction item). | |||
9986 | void push(Expr *Item, Expr *ReductionOp) { | |||
9987 | Vars.emplace_back(Item); | |||
9988 | Privates.emplace_back(nullptr); | |||
9989 | LHSs.emplace_back(nullptr); | |||
9990 | RHSs.emplace_back(nullptr); | |||
9991 | ReductionOps.emplace_back(ReductionOp); | |||
9992 | TaskgroupDescriptors.emplace_back(nullptr); | |||
9993 | } | |||
9994 | /// Stores reduction data. | |||
9995 | void push(Expr *Item, Expr *Private, Expr *LHS, Expr *RHS, Expr *ReductionOp, | |||
9996 | Expr *TaskgroupDescriptor) { | |||
9997 | Vars.emplace_back(Item); | |||
9998 | Privates.emplace_back(Private); | |||
9999 | LHSs.emplace_back(LHS); | |||
10000 | RHSs.emplace_back(RHS); | |||
10001 | ReductionOps.emplace_back(ReductionOp); | |||
10002 | TaskgroupDescriptors.emplace_back(TaskgroupDescriptor); | |||
10003 | } | |||
10004 | }; | |||
10005 | } // namespace | |||
10006 | ||||
10007 | static bool CheckOMPArraySectionConstantForReduction( | |||
10008 | ASTContext &Context, const OMPArraySectionExpr *OASE, bool &SingleElement, | |||
10009 | SmallVectorImpl<llvm::APSInt> &ArraySizes) { | |||
10010 | const Expr *Length = OASE->getLength(); | |||
10011 | if (Length == nullptr) { | |||
10012 | // For array sections of the form [1:] or [:], we would need to analyze | |||
10013 | // the lower bound... | |||
10014 | if (OASE->getColonLoc().isValid()) | |||
10015 | return false; | |||
10016 | ||||
10017 | // This is an array subscript which has implicit length 1! | |||
10018 | SingleElement = true; | |||
10019 | ArraySizes.push_back(llvm::APSInt::get(1)); | |||
10020 | } else { | |||
10021 | llvm::APSInt ConstantLengthValue; | |||
10022 | if (!Length->EvaluateAsInt(ConstantLengthValue, Context)) | |||
10023 | return false; | |||
10024 | ||||
10025 | SingleElement = (ConstantLengthValue.getSExtValue() == 1); | |||
10026 | ArraySizes.push_back(ConstantLengthValue); | |||
10027 | } | |||
10028 | ||||
10029 | // Get the base of this array section and walk up from there. | |||
10030 | const Expr *Base = OASE->getBase()->IgnoreParenImpCasts(); | |||
10031 | ||||
10032 | // We require length = 1 for all array sections except the right-most to | |||
10033 | // guarantee that the memory region is contiguous and has no holes in it. | |||
10034 | while (const auto *TempOASE = dyn_cast<OMPArraySectionExpr>(Base)) { | |||
10035 | Length = TempOASE->getLength(); | |||
10036 | if (Length == nullptr) { | |||
10037 | // For array sections of the form [1:] or [:], we would need to analyze | |||
10038 | // the lower bound... | |||
10039 | if (OASE->getColonLoc().isValid()) | |||
10040 | return false; | |||
10041 | ||||
10042 | // This is an array subscript which has implicit length 1! | |||
10043 | ArraySizes.push_back(llvm::APSInt::get(1)); | |||
10044 | } else { | |||
10045 | llvm::APSInt ConstantLengthValue; | |||
10046 | if (!Length->EvaluateAsInt(ConstantLengthValue, Context) || | |||
10047 | ConstantLengthValue.getSExtValue() != 1) | |||
10048 | return false; | |||
10049 | ||||
10050 | ArraySizes.push_back(ConstantLengthValue); | |||
10051 | } | |||
10052 | Base = TempOASE->getBase()->IgnoreParenImpCasts(); | |||
10053 | } | |||
10054 | ||||
10055 | // If we have a single element, we don't need to add the implicit lengths. | |||
10056 | if (!SingleElement) { | |||
10057 | while (const auto *TempASE = dyn_cast<ArraySubscriptExpr>(Base)) { | |||
10058 | // Has implicit length 1! | |||
10059 | ArraySizes.push_back(llvm::APSInt::get(1)); | |||
10060 | Base = TempASE->getBase()->IgnoreParenImpCasts(); | |||
10061 | } | |||
10062 | } | |||
10063 | ||||
10064 | // This array section can be privatized as a single value or as a constant | |||
10065 | // sized array. | |||
10066 | return true; | |||
10067 | } | |||
10068 | ||||
10069 | static bool ActOnOMPReductionKindClause( | |||
10070 | Sema &S, DSAStackTy *Stack, OpenMPClauseKind ClauseKind, | |||
10071 | ArrayRef<Expr *> VarList, SourceLocation StartLoc, SourceLocation LParenLoc, | |||
10072 | SourceLocation ColonLoc, SourceLocation EndLoc, | |||
10073 | CXXScopeSpec &ReductionIdScopeSpec, const DeclarationNameInfo &ReductionId, | |||
10074 | ArrayRef<Expr *> UnresolvedReductions, ReductionData &RD) { | |||
10075 | auto DN = ReductionId.getName(); | |||
10076 | auto OOK = DN.getCXXOverloadedOperator(); | |||
10077 | BinaryOperatorKind BOK = BO_Comma; | |||
10078 | ||||
10079 | ASTContext &Context = S.Context; | |||
10080 | // OpenMP [2.14.3.6, reduction clause] | |||
10081 | // C | |||
10082 | // reduction-identifier is either an identifier or one of the following | |||
10083 | // operators: +, -, *, &, |, ^, && and || | |||
10084 | // C++ | |||
10085 | // reduction-identifier is either an id-expression or one of the following | |||
10086 | // operators: +, -, *, &, |, ^, && and || | |||
10087 | switch (OOK) { | |||
| ||||
10088 | case OO_Plus: | |||
10089 | case OO_Minus: | |||
10090 | BOK = BO_Add; | |||
10091 | break; | |||
10092 | case OO_Star: | |||
10093 | BOK = BO_Mul; | |||
10094 | break; | |||
10095 | case OO_Amp: | |||
10096 | BOK = BO_And; | |||
10097 | break; | |||
10098 | case OO_Pipe: | |||
10099 | BOK = BO_Or; | |||
10100 | break; | |||
10101 | case OO_Caret: | |||
10102 | BOK = BO_Xor; | |||
10103 | break; | |||
10104 | case OO_AmpAmp: | |||
10105 | BOK = BO_LAnd; | |||
10106 | break; | |||
10107 | case OO_PipePipe: | |||
10108 | BOK = BO_LOr; | |||
10109 | break; | |||
10110 | case OO_New: | |||
10111 | case OO_Delete: | |||
10112 | case OO_Array_New: | |||
10113 | case OO_Array_Delete: | |||
10114 | case OO_Slash: | |||
10115 | case OO_Percent: | |||
10116 | case OO_Tilde: | |||
10117 | case OO_Exclaim: | |||
10118 | case OO_Equal: | |||
10119 | case OO_Less: | |||
10120 | case OO_Greater: | |||
10121 | case OO_LessEqual: | |||
10122 | case OO_GreaterEqual: | |||
10123 | case OO_PlusEqual: | |||
10124 | case OO_MinusEqual: | |||
10125 | case OO_StarEqual: | |||
10126 | case OO_SlashEqual: | |||
10127 | case OO_PercentEqual: | |||
10128 | case OO_CaretEqual: | |||
10129 | case OO_AmpEqual: | |||
10130 | case OO_PipeEqual: | |||
10131 | case OO_LessLess: | |||
10132 | case OO_GreaterGreater: | |||
10133 | case OO_LessLessEqual: | |||
10134 | case OO_GreaterGreaterEqual: | |||
10135 | case OO_EqualEqual: | |||
10136 | case OO_ExclaimEqual: | |||
10137 | case OO_Spaceship: | |||
10138 | case OO_PlusPlus: | |||
10139 | case OO_MinusMinus: | |||
10140 | case OO_Comma: | |||
10141 | case OO_ArrowStar: | |||
10142 | case OO_Arrow: | |||
10143 | case OO_Call: | |||
10144 | case OO_Subscript: | |||
10145 | case OO_Conditional: | |||
10146 | case OO_Coawait: | |||
10147 | case NUM_OVERLOADED_OPERATORS: | |||
10148 | llvm_unreachable("Unexpected reduction identifier")::llvm::llvm_unreachable_internal("Unexpected reduction identifier" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 10148); | |||
10149 | case OO_None: | |||
10150 | if (auto *II = DN.getAsIdentifierInfo()) { | |||
10151 | if (II->isStr("max")) | |||
10152 | BOK = BO_GT; | |||
10153 | else if (II->isStr("min")) | |||
10154 | BOK = BO_LT; | |||
10155 | } | |||
10156 | break; | |||
10157 | } | |||
10158 | SourceRange ReductionIdRange; | |||
10159 | if (ReductionIdScopeSpec.isValid()) | |||
10160 | ReductionIdRange.setBegin(ReductionIdScopeSpec.getBeginLoc()); | |||
10161 | else | |||
10162 | ReductionIdRange.setBegin(ReductionId.getBeginLoc()); | |||
10163 | ReductionIdRange.setEnd(ReductionId.getEndLoc()); | |||
10164 | ||||
10165 | auto IR = UnresolvedReductions.begin(), ER = UnresolvedReductions.end(); | |||
10166 | bool FirstIter = true; | |||
10167 | for (auto RefExpr : VarList) { | |||
10168 | assert(RefExpr && "nullptr expr in OpenMP reduction clause.")(static_cast <bool> (RefExpr && "nullptr expr in OpenMP reduction clause." ) ? void (0) : __assert_fail ("RefExpr && \"nullptr expr in OpenMP reduction clause.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 10168, __extension__ __PRETTY_FUNCTION__)); | |||
10169 | // OpenMP [2.1, C/C++] | |||
10170 | // A list item is a variable or array section, subject to the restrictions | |||
10171 | // specified in Section 2.4 on page 42 and in each of the sections | |||
10172 | // describing clauses and directives for which a list appears. | |||
10173 | // OpenMP [2.14.3.3, Restrictions, p.1] | |||
10174 | // A variable that is part of another variable (as an array or | |||
10175 | // structure element) cannot appear in a private clause. | |||
10176 | if (!FirstIter && IR != ER) | |||
10177 | ++IR; | |||
10178 | FirstIter = false; | |||
10179 | SourceLocation ELoc; | |||
10180 | SourceRange ERange; | |||
10181 | Expr *SimpleRefExpr = RefExpr; | |||
10182 | auto Res = getPrivateItem(S, SimpleRefExpr, ELoc, ERange, | |||
10183 | /*AllowArraySection=*/true); | |||
10184 | if (Res.second) { | |||
10185 | // Try to find 'declare reduction' corresponding construct before using | |||
10186 | // builtin/overloaded operators. | |||
10187 | QualType Type = Context.DependentTy; | |||
10188 | CXXCastPath BasePath; | |||
10189 | ExprResult DeclareReductionRef = buildDeclareReductionRef( | |||
10190 | S, ELoc, ERange, Stack->getCurScope(), ReductionIdScopeSpec, | |||
10191 | ReductionId, Type, BasePath, IR == ER ? nullptr : *IR); | |||
10192 | Expr *ReductionOp = nullptr; | |||
10193 | if (S.CurContext->isDependentContext() && | |||
10194 | (DeclareReductionRef.isUnset() || | |||
10195 | isa<UnresolvedLookupExpr>(DeclareReductionRef.get()))) | |||
10196 | ReductionOp = DeclareReductionRef.get(); | |||
10197 | // It will be analyzed later. | |||
10198 | RD.push(RefExpr, ReductionOp); | |||
10199 | } | |||
10200 | ValueDecl *D = Res.first; | |||
10201 | if (!D) | |||
10202 | continue; | |||
10203 | ||||
10204 | Expr *TaskgroupDescriptor = nullptr; | |||
10205 | QualType Type; | |||
10206 | auto *ASE = dyn_cast<ArraySubscriptExpr>(RefExpr->IgnoreParens()); | |||
10207 | auto *OASE = dyn_cast<OMPArraySectionExpr>(RefExpr->IgnoreParens()); | |||
10208 | if (ASE) | |||
10209 | Type = ASE->getType().getNonReferenceType(); | |||
10210 | else if (OASE) { | |||
10211 | auto BaseType = OMPArraySectionExpr::getBaseOriginalType(OASE->getBase()); | |||
10212 | if (auto *ATy = BaseType->getAsArrayTypeUnsafe()) | |||
10213 | Type = ATy->getElementType(); | |||
10214 | else | |||
10215 | Type = BaseType->getPointeeType(); | |||
10216 | Type = Type.getNonReferenceType(); | |||
10217 | } else | |||
10218 | Type = Context.getBaseElementType(D->getType().getNonReferenceType()); | |||
10219 | auto *VD = dyn_cast<VarDecl>(D); | |||
10220 | ||||
10221 | // OpenMP [2.9.3.3, Restrictions, C/C++, p.3] | |||
10222 | // A variable that appears in a private clause must not have an incomplete | |||
10223 | // type or a reference type. | |||
10224 | if (S.RequireCompleteType(ELoc, Type, | |||
10225 | diag::err_omp_reduction_incomplete_type)) | |||
10226 | continue; | |||
10227 | // OpenMP [2.14.3.6, reduction clause, Restrictions] | |||
10228 | // A list item that appears in a reduction clause must not be | |||
10229 | // const-qualified. | |||
10230 | if (Type.getNonReferenceType().isConstant(Context)) { | |||
10231 | S.Diag(ELoc, diag::err_omp_const_reduction_list_item) << ERange; | |||
10232 | if (!ASE && !OASE) { | |||
10233 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == | |||
10234 | VarDecl::DeclarationOnly; | |||
10235 | S.Diag(D->getLocation(), | |||
10236 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
10237 | << D; | |||
10238 | } | |||
10239 | continue; | |||
10240 | } | |||
10241 | // OpenMP [2.9.3.6, Restrictions, C/C++, p.4] | |||
10242 | // If a list-item is a reference type then it must bind to the same object | |||
10243 | // for all threads of the team. | |||
10244 | if (!ASE && !OASE && VD) { | |||
10245 | VarDecl *VDDef = VD->getDefinition(); | |||
10246 | if (VD->getType()->isReferenceType() && VDDef && VDDef->hasInit()) { | |||
10247 | DSARefChecker Check(Stack); | |||
10248 | if (Check.Visit(VDDef->getInit())) { | |||
10249 | S.Diag(ELoc, diag::err_omp_reduction_ref_type_arg) | |||
10250 | << getOpenMPClauseName(ClauseKind) << ERange; | |||
10251 | S.Diag(VDDef->getLocation(), diag::note_defined_here) << VDDef; | |||
10252 | continue; | |||
10253 | } | |||
10254 | } | |||
10255 | } | |||
10256 | ||||
10257 | // OpenMP [2.14.1.1, Data-sharing Attribute Rules for Variables Referenced | |||
10258 | // in a Construct] | |||
10259 | // Variables with the predetermined data-sharing attributes may not be | |||
10260 | // listed in data-sharing attributes clauses, except for the cases | |||
10261 | // listed below. For these exceptions only, listing a predetermined | |||
10262 | // variable in a data-sharing attribute clause is allowed and overrides | |||
10263 | // the variable's predetermined data-sharing attributes. | |||
10264 | // OpenMP [2.14.3.6, Restrictions, p.3] | |||
10265 | // Any number of reduction clauses can be specified on the directive, | |||
10266 | // but a list item can appear only once in the reduction clauses for that | |||
10267 | // directive. | |||
10268 | DSAStackTy::DSAVarData DVar; | |||
10269 | DVar = Stack->getTopDSA(D, false); | |||
10270 | if (DVar.CKind == OMPC_reduction) { | |||
10271 | S.Diag(ELoc, diag::err_omp_once_referenced) | |||
10272 | << getOpenMPClauseName(ClauseKind); | |||
10273 | if (DVar.RefExpr) | |||
10274 | S.Diag(DVar.RefExpr->getExprLoc(), diag::note_omp_referenced); | |||
10275 | continue; | |||
10276 | } else if (DVar.CKind != OMPC_unknown) { | |||
10277 | S.Diag(ELoc, diag::err_omp_wrong_dsa) | |||
10278 | << getOpenMPClauseName(DVar.CKind) | |||
10279 | << getOpenMPClauseName(OMPC_reduction); | |||
10280 | ReportOriginalDSA(S, Stack, D, DVar); | |||
10281 | continue; | |||
10282 | } | |||
10283 | ||||
10284 | // OpenMP [2.14.3.6, Restrictions, p.1] | |||
10285 | // A list item that appears in a reduction clause of a worksharing | |||
10286 | // construct must be shared in the parallel regions to which any of the | |||
10287 | // worksharing regions arising from the worksharing construct bind. | |||
10288 | OpenMPDirectiveKind CurrDir = Stack->getCurrentDirective(); | |||
10289 | if (isOpenMPWorksharingDirective(CurrDir) && | |||
10290 | !isOpenMPParallelDirective(CurrDir) && | |||
10291 | !isOpenMPTeamsDirective(CurrDir)) { | |||
10292 | DVar = Stack->getImplicitDSA(D, true); | |||
10293 | if (DVar.CKind != OMPC_shared) { | |||
10294 | S.Diag(ELoc, diag::err_omp_required_access) | |||
10295 | << getOpenMPClauseName(OMPC_reduction) | |||
10296 | << getOpenMPClauseName(OMPC_shared); | |||
10297 | ReportOriginalDSA(S, Stack, D, DVar); | |||
10298 | continue; | |||
10299 | } | |||
10300 | } | |||
10301 | ||||
10302 | // Try to find 'declare reduction' corresponding construct before using | |||
10303 | // builtin/overloaded operators. | |||
10304 | CXXCastPath BasePath; | |||
10305 | ExprResult DeclareReductionRef = buildDeclareReductionRef( | |||
10306 | S, ELoc, ERange, Stack->getCurScope(), ReductionIdScopeSpec, | |||
10307 | ReductionId, Type, BasePath, IR == ER ? nullptr : *IR); | |||
10308 | if (DeclareReductionRef.isInvalid()) | |||
10309 | continue; | |||
10310 | if (S.CurContext->isDependentContext() && | |||
10311 | (DeclareReductionRef.isUnset() || | |||
10312 | isa<UnresolvedLookupExpr>(DeclareReductionRef.get()))) { | |||
10313 | RD.push(RefExpr, DeclareReductionRef.get()); | |||
10314 | continue; | |||
10315 | } | |||
10316 | if (BOK == BO_Comma && DeclareReductionRef.isUnset()) { | |||
10317 | // Not allowed reduction identifier is found. | |||
10318 | S.Diag(ReductionId.getLocStart(), | |||
10319 | diag::err_omp_unknown_reduction_identifier) | |||
10320 | << Type << ReductionIdRange; | |||
10321 | continue; | |||
10322 | } | |||
10323 | ||||
10324 | // OpenMP [2.14.3.6, reduction clause, Restrictions] | |||
10325 | // The type of a list item that appears in a reduction clause must be valid | |||
10326 | // for the reduction-identifier. For a max or min reduction in C, the type | |||
10327 | // of the list item must be an allowed arithmetic data type: char, int, | |||
10328 | // float, double, or _Bool, possibly modified with long, short, signed, or | |||
10329 | // unsigned. For a max or min reduction in C++, the type of the list item | |||
10330 | // must be an allowed arithmetic data type: char, wchar_t, int, float, | |||
10331 | // double, or bool, possibly modified with long, short, signed, or unsigned. | |||
10332 | if (DeclareReductionRef.isUnset()) { | |||
10333 | if ((BOK == BO_GT || BOK == BO_LT) && | |||
10334 | !(Type->isScalarType() || | |||
10335 | (S.getLangOpts().CPlusPlus && Type->isArithmeticType()))) { | |||
10336 | S.Diag(ELoc, diag::err_omp_clause_not_arithmetic_type_arg) | |||
10337 | << getOpenMPClauseName(ClauseKind) << S.getLangOpts().CPlusPlus; | |||
10338 | if (!ASE && !OASE) { | |||
10339 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == | |||
10340 | VarDecl::DeclarationOnly; | |||
10341 | S.Diag(D->getLocation(), | |||
10342 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
10343 | << D; | |||
10344 | } | |||
10345 | continue; | |||
10346 | } | |||
10347 | if ((BOK == BO_OrAssign || BOK == BO_AndAssign || BOK == BO_XorAssign) && | |||
10348 | !S.getLangOpts().CPlusPlus && Type->isFloatingType()) { | |||
10349 | S.Diag(ELoc, diag::err_omp_clause_floating_type_arg) | |||
10350 | << getOpenMPClauseName(ClauseKind); | |||
10351 | if (!ASE && !OASE) { | |||
10352 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == | |||
10353 | VarDecl::DeclarationOnly; | |||
10354 | S.Diag(D->getLocation(), | |||
10355 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
10356 | << D; | |||
10357 | } | |||
10358 | continue; | |||
10359 | } | |||
10360 | } | |||
10361 | ||||
10362 | Type = Type.getNonLValueExprType(Context).getUnqualifiedType(); | |||
10363 | auto *LHSVD = buildVarDecl(S, ELoc, Type, ".reduction.lhs", | |||
10364 | D->hasAttrs() ? &D->getAttrs() : nullptr); | |||
10365 | auto *RHSVD = buildVarDecl(S, ELoc, Type, D->getName(), | |||
10366 | D->hasAttrs() ? &D->getAttrs() : nullptr); | |||
10367 | auto PrivateTy = Type; | |||
10368 | ||||
10369 | // Try if we can determine constant lengths for all array sections and avoid | |||
10370 | // the VLA. | |||
10371 | bool ConstantLengthOASE = false; | |||
10372 | if (OASE) { | |||
10373 | bool SingleElement; | |||
10374 | llvm::SmallVector<llvm::APSInt, 4> ArraySizes; | |||
10375 | ConstantLengthOASE = CheckOMPArraySectionConstantForReduction( | |||
10376 | Context, OASE, SingleElement, ArraySizes); | |||
10377 | ||||
10378 | // If we don't have a single element, we must emit a constant array type. | |||
10379 | if (ConstantLengthOASE && !SingleElement) { | |||
10380 | for (auto &Size : ArraySizes) { | |||
10381 | PrivateTy = Context.getConstantArrayType( | |||
10382 | PrivateTy, Size, ArrayType::Normal, /*IndexTypeQuals=*/0); | |||
10383 | } | |||
10384 | } | |||
10385 | } | |||
10386 | ||||
10387 | if ((OASE && !ConstantLengthOASE) || | |||
10388 | (!OASE && !ASE && | |||
10389 | D->getType().getNonReferenceType()->isVariablyModifiedType())) { | |||
10390 | if (!Context.getTargetInfo().isVLASupported() && | |||
10391 | S.shouldDiagnoseTargetSupportFromOpenMP()) { | |||
10392 | S.Diag(ELoc, diag::err_omp_reduction_vla_unsupported) << !!OASE; | |||
10393 | S.Diag(ELoc, diag::note_vla_unsupported); | |||
10394 | continue; | |||
10395 | } | |||
10396 | // For arrays/array sections only: | |||
10397 | // Create pseudo array type for private copy. The size for this array will | |||
10398 | // be generated during codegen. | |||
10399 | // For array subscripts or single variables Private Ty is the same as Type | |||
10400 | // (type of the variable or single array element). | |||
10401 | PrivateTy = Context.getVariableArrayType( | |||
10402 | Type, | |||
10403 | new (Context) OpaqueValueExpr(ELoc, Context.getSizeType(), VK_RValue), | |||
10404 | ArrayType::Normal, /*IndexTypeQuals=*/0, SourceRange()); | |||
10405 | } else if (!ASE && !OASE && | |||
10406 | Context.getAsArrayType(D->getType().getNonReferenceType())) | |||
10407 | PrivateTy = D->getType().getNonReferenceType(); | |||
10408 | // Private copy. | |||
10409 | auto *PrivateVD = buildVarDecl(S, ELoc, PrivateTy, D->getName(), | |||
10410 | D->hasAttrs() ? &D->getAttrs() : nullptr); | |||
10411 | // Add initializer for private variable. | |||
10412 | Expr *Init = nullptr; | |||
10413 | auto *LHSDRE = buildDeclRefExpr(S, LHSVD, Type, ELoc); | |||
10414 | auto *RHSDRE = buildDeclRefExpr(S, RHSVD, Type, ELoc); | |||
10415 | if (DeclareReductionRef.isUsable()) { | |||
10416 | auto *DRDRef = DeclareReductionRef.getAs<DeclRefExpr>(); | |||
10417 | auto *DRD = cast<OMPDeclareReductionDecl>(DRDRef->getDecl()); | |||
10418 | if (DRD->getInitializer()) { | |||
10419 | Init = DRDRef; | |||
10420 | RHSVD->setInit(DRDRef); | |||
10421 | RHSVD->setInitStyle(VarDecl::CallInit); | |||
10422 | } | |||
10423 | } else { | |||
10424 | switch (BOK) { | |||
10425 | case BO_Add: | |||
10426 | case BO_Xor: | |||
10427 | case BO_Or: | |||
10428 | case BO_LOr: | |||
10429 | // '+', '-', '^', '|', '||' reduction ops - initializer is '0'. | |||
10430 | if (Type->isScalarType() || Type->isAnyComplexType()) | |||
10431 | Init = S.ActOnIntegerConstant(ELoc, /*Val=*/0).get(); | |||
10432 | break; | |||
10433 | case BO_Mul: | |||
10434 | case BO_LAnd: | |||
10435 | if (Type->isScalarType() || Type->isAnyComplexType()) { | |||
10436 | // '*' and '&&' reduction ops - initializer is '1'. | |||
10437 | Init = S.ActOnIntegerConstant(ELoc, /*Val=*/1).get(); | |||
10438 | } | |||
10439 | break; | |||
10440 | case BO_And: { | |||
10441 | // '&' reduction op - initializer is '~0'. | |||
10442 | QualType OrigType = Type; | |||
10443 | if (auto *ComplexTy = OrigType->getAs<ComplexType>()) | |||
10444 | Type = ComplexTy->getElementType(); | |||
10445 | if (Type->isRealFloatingType()) { | |||
10446 | llvm::APFloat InitValue = | |||
10447 | llvm::APFloat::getAllOnesValue(Context.getTypeSize(Type), | |||
10448 | /*isIEEE=*/true); | |||
10449 | Init = FloatingLiteral::Create(Context, InitValue, /*isexact=*/true, | |||
10450 | Type, ELoc); | |||
10451 | } else if (Type->isScalarType()) { | |||
10452 | auto Size = Context.getTypeSize(Type); | |||
10453 | QualType IntTy = Context.getIntTypeForBitwidth(Size, /*Signed=*/0); | |||
10454 | llvm::APInt InitValue = llvm::APInt::getAllOnesValue(Size); | |||
10455 | Init = IntegerLiteral::Create(Context, InitValue, IntTy, ELoc); | |||
10456 | } | |||
10457 | if (Init && OrigType->isAnyComplexType()) { | |||
10458 | // Init = 0xFFFF + 0xFFFFi; | |||
10459 | auto *Im = new (Context) ImaginaryLiteral(Init, OrigType); | |||
10460 | Init = S.CreateBuiltinBinOp(ELoc, BO_Add, Init, Im).get(); | |||
10461 | } | |||
10462 | Type = OrigType; | |||
10463 | break; | |||
10464 | } | |||
10465 | case BO_LT: | |||
10466 | case BO_GT: { | |||
10467 | // 'min' reduction op - initializer is 'Largest representable number in | |||
10468 | // the reduction list item type'. | |||
10469 | // 'max' reduction op - initializer is 'Least representable number in | |||
10470 | // the reduction list item type'. | |||
10471 | if (Type->isIntegerType() || Type->isPointerType()) { | |||
10472 | bool IsSigned = Type->hasSignedIntegerRepresentation(); | |||
10473 | auto Size = Context.getTypeSize(Type); | |||
10474 | QualType IntTy = | |||
10475 | Context.getIntTypeForBitwidth(Size, /*Signed=*/IsSigned); | |||
10476 | llvm::APInt InitValue = | |||
10477 | (BOK != BO_LT) ? IsSigned ? llvm::APInt::getSignedMinValue(Size) | |||
10478 | : llvm::APInt::getMinValue(Size) | |||
10479 | : IsSigned ? llvm::APInt::getSignedMaxValue(Size) | |||
10480 | : llvm::APInt::getMaxValue(Size); | |||
10481 | Init = IntegerLiteral::Create(Context, InitValue, IntTy, ELoc); | |||
10482 | if (Type->isPointerType()) { | |||
10483 | // Cast to pointer type. | |||
10484 | auto CastExpr = S.BuildCStyleCastExpr( | |||
10485 | ELoc, Context.getTrivialTypeSourceInfo(Type, ELoc), ELoc, Init); | |||
10486 | if (CastExpr.isInvalid()) | |||
10487 | continue; | |||
10488 | Init = CastExpr.get(); | |||
10489 | } | |||
10490 | } else if (Type->isRealFloatingType()) { | |||
10491 | llvm::APFloat InitValue = llvm::APFloat::getLargest( | |||
10492 | Context.getFloatTypeSemantics(Type), BOK != BO_LT); | |||
10493 | Init = FloatingLiteral::Create(Context, InitValue, /*isexact=*/true, | |||
10494 | Type, ELoc); | |||
10495 | } | |||
10496 | break; | |||
10497 | } | |||
10498 | case BO_PtrMemD: | |||
10499 | case BO_PtrMemI: | |||
10500 | case BO_MulAssign: | |||
10501 | case BO_Div: | |||
10502 | case BO_Rem: | |||
10503 | case BO_Sub: | |||
10504 | case BO_Shl: | |||
10505 | case BO_Shr: | |||
10506 | case BO_LE: | |||
10507 | case BO_GE: | |||
10508 | case BO_EQ: | |||
10509 | case BO_NE: | |||
10510 | case BO_Cmp: | |||
10511 | case BO_AndAssign: | |||
10512 | case BO_XorAssign: | |||
10513 | case BO_OrAssign: | |||
10514 | case BO_Assign: | |||
10515 | case BO_AddAssign: | |||
10516 | case BO_SubAssign: | |||
10517 | case BO_DivAssign: | |||
10518 | case BO_RemAssign: | |||
10519 | case BO_ShlAssign: | |||
10520 | case BO_ShrAssign: | |||
10521 | case BO_Comma: | |||
10522 | llvm_unreachable("Unexpected reduction operation")::llvm::llvm_unreachable_internal("Unexpected reduction operation" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 10522); | |||
10523 | } | |||
10524 | } | |||
10525 | if (Init && DeclareReductionRef.isUnset()) | |||
10526 | S.AddInitializerToDecl(RHSVD, Init, /*DirectInit=*/false); | |||
10527 | else if (!Init) | |||
10528 | S.ActOnUninitializedDecl(RHSVD); | |||
10529 | if (RHSVD->isInvalidDecl()) | |||
10530 | continue; | |||
10531 | if (!RHSVD->hasInit() && DeclareReductionRef.isUnset()) { | |||
10532 | S.Diag(ELoc, diag::err_omp_reduction_id_not_compatible) | |||
10533 | << Type << ReductionIdRange; | |||
10534 | bool IsDecl = !VD || VD->isThisDeclarationADefinition(Context) == | |||
10535 | VarDecl::DeclarationOnly; | |||
10536 | S.Diag(D->getLocation(), | |||
10537 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
10538 | << D; | |||
10539 | continue; | |||
10540 | } | |||
10541 | // Store initializer for single element in private copy. Will be used during | |||
10542 | // codegen. | |||
10543 | PrivateVD->setInit(RHSVD->getInit()); | |||
10544 | PrivateVD->setInitStyle(RHSVD->getInitStyle()); | |||
10545 | auto *PrivateDRE = buildDeclRefExpr(S, PrivateVD, PrivateTy, ELoc); | |||
10546 | ExprResult ReductionOp; | |||
10547 | if (DeclareReductionRef.isUsable()) { | |||
10548 | QualType RedTy = DeclareReductionRef.get()->getType(); | |||
10549 | QualType PtrRedTy = Context.getPointerType(RedTy); | |||
10550 | ExprResult LHS = S.CreateBuiltinUnaryOp(ELoc, UO_AddrOf, LHSDRE); | |||
10551 | ExprResult RHS = S.CreateBuiltinUnaryOp(ELoc, UO_AddrOf, RHSDRE); | |||
10552 | if (!BasePath.empty()) { | |||
10553 | LHS = S.DefaultLvalueConversion(LHS.get()); | |||
10554 | RHS = S.DefaultLvalueConversion(RHS.get()); | |||
10555 | LHS = ImplicitCastExpr::Create(Context, PtrRedTy, | |||
10556 | CK_UncheckedDerivedToBase, LHS.get(), | |||
10557 | &BasePath, LHS.get()->getValueKind()); | |||
10558 | RHS = ImplicitCastExpr::Create(Context, PtrRedTy, | |||
10559 | CK_UncheckedDerivedToBase, RHS.get(), | |||
10560 | &BasePath, RHS.get()->getValueKind()); | |||
10561 | } | |||
10562 | FunctionProtoType::ExtProtoInfo EPI; | |||
10563 | QualType Params[] = {PtrRedTy, PtrRedTy}; | |||
10564 | QualType FnTy = Context.getFunctionType(Context.VoidTy, Params, EPI); | |||
10565 | auto *OVE = new (Context) OpaqueValueExpr( | |||
10566 | ELoc, Context.getPointerType(FnTy), VK_RValue, OK_Ordinary, | |||
10567 | S.DefaultLvalueConversion(DeclareReductionRef.get()).get()); | |||
10568 | Expr *Args[] = {LHS.get(), RHS.get()}; | |||
10569 | ReductionOp = new (Context) | |||
10570 | CallExpr(Context, OVE, Args, Context.VoidTy, VK_RValue, ELoc); | |||
10571 | } else { | |||
10572 | ReductionOp = S.BuildBinOp( | |||
10573 | Stack->getCurScope(), ReductionId.getLocStart(), BOK, LHSDRE, RHSDRE); | |||
10574 | if (ReductionOp.isUsable()) { | |||
10575 | if (BOK != BO_LT && BOK != BO_GT) { | |||
10576 | ReductionOp = | |||
10577 | S.BuildBinOp(Stack->getCurScope(), ReductionId.getLocStart(), | |||
10578 | BO_Assign, LHSDRE, ReductionOp.get()); | |||
10579 | } else { | |||
10580 | auto *ConditionalOp = new (Context) | |||
10581 | ConditionalOperator(ReductionOp.get(), ELoc, LHSDRE, ELoc, RHSDRE, | |||
10582 | Type, VK_LValue, OK_Ordinary); | |||
10583 | ReductionOp = | |||
10584 | S.BuildBinOp(Stack->getCurScope(), ReductionId.getLocStart(), | |||
10585 | BO_Assign, LHSDRE, ConditionalOp); | |||
10586 | } | |||
10587 | if (ReductionOp.isUsable()) | |||
10588 | ReductionOp = S.ActOnFinishFullExpr(ReductionOp.get()); | |||
10589 | } | |||
10590 | if (!ReductionOp.isUsable()) | |||
10591 | continue; | |||
10592 | } | |||
10593 | ||||
10594 | // OpenMP [2.15.4.6, Restrictions, p.2] | |||
10595 | // A list item that appears in an in_reduction clause of a task construct | |||
10596 | // must appear in a task_reduction clause of a construct associated with a | |||
10597 | // taskgroup region that includes the participating task in its taskgroup | |||
10598 | // set. The construct associated with the innermost region that meets this | |||
10599 | // condition must specify the same reduction-identifier as the in_reduction | |||
10600 | // clause. | |||
10601 | if (ClauseKind == OMPC_in_reduction) { | |||
10602 | SourceRange ParentSR; | |||
10603 | BinaryOperatorKind ParentBOK; | |||
10604 | const Expr *ParentReductionOp; | |||
10605 | Expr *ParentBOKTD, *ParentReductionOpTD; | |||
10606 | DSAStackTy::DSAVarData ParentBOKDSA = | |||
10607 | Stack->getTopMostTaskgroupReductionData(D, ParentSR, ParentBOK, | |||
10608 | ParentBOKTD); | |||
10609 | DSAStackTy::DSAVarData ParentReductionOpDSA = | |||
10610 | Stack->getTopMostTaskgroupReductionData( | |||
10611 | D, ParentSR, ParentReductionOp, ParentReductionOpTD); | |||
10612 | bool IsParentBOK = ParentBOKDSA.DKind != OMPD_unknown; | |||
10613 | bool IsParentReductionOp = ParentReductionOpDSA.DKind != OMPD_unknown; | |||
10614 | if (!IsParentBOK && !IsParentReductionOp) { | |||
10615 | S.Diag(ELoc, diag::err_omp_in_reduction_not_task_reduction); | |||
10616 | continue; | |||
10617 | } | |||
10618 | if ((DeclareReductionRef.isUnset() && IsParentReductionOp) || | |||
10619 | (DeclareReductionRef.isUsable() && IsParentBOK) || BOK != ParentBOK || | |||
10620 | IsParentReductionOp) { | |||
10621 | bool EmitError = true; | |||
10622 | if (IsParentReductionOp && DeclareReductionRef.isUsable()) { | |||
10623 | llvm::FoldingSetNodeID RedId, ParentRedId; | |||
10624 | ParentReductionOp->Profile(ParentRedId, Context, /*Canonical=*/true); | |||
10625 | DeclareReductionRef.get()->Profile(RedId, Context, | |||
10626 | /*Canonical=*/true); | |||
10627 | EmitError = RedId != ParentRedId; | |||
10628 | } | |||
10629 | if (EmitError) { | |||
10630 | S.Diag(ReductionId.getLocStart(), | |||
10631 | diag::err_omp_reduction_identifier_mismatch) | |||
10632 | << ReductionIdRange << RefExpr->getSourceRange(); | |||
10633 | S.Diag(ParentSR.getBegin(), | |||
10634 | diag::note_omp_previous_reduction_identifier) | |||
10635 | << ParentSR | |||
10636 | << (IsParentBOK ? ParentBOKDSA.RefExpr | |||
10637 | : ParentReductionOpDSA.RefExpr) | |||
10638 | ->getSourceRange(); | |||
10639 | continue; | |||
10640 | } | |||
10641 | } | |||
10642 | TaskgroupDescriptor = IsParentBOK ? ParentBOKTD : ParentReductionOpTD; | |||
10643 | assert(TaskgroupDescriptor && "Taskgroup descriptor must be defined.")(static_cast <bool> (TaskgroupDescriptor && "Taskgroup descriptor must be defined." ) ? void (0) : __assert_fail ("TaskgroupDescriptor && \"Taskgroup descriptor must be defined.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 10643, __extension__ __PRETTY_FUNCTION__)); | |||
10644 | } | |||
10645 | ||||
10646 | DeclRefExpr *Ref = nullptr; | |||
10647 | Expr *VarsExpr = RefExpr->IgnoreParens(); | |||
10648 | if (!VD && !S.CurContext->isDependentContext()) { | |||
10649 | if (ASE || OASE) { | |||
10650 | TransformExprToCaptures RebuildToCapture(S, D); | |||
10651 | VarsExpr = | |||
10652 | RebuildToCapture.TransformExpr(RefExpr->IgnoreParens()).get(); | |||
10653 | Ref = RebuildToCapture.getCapturedExpr(); | |||
10654 | } else { | |||
10655 | VarsExpr = Ref = buildCapture(S, D, SimpleRefExpr, /*WithInit=*/false); | |||
10656 | } | |||
10657 | if (!S.IsOpenMPCapturedDecl(D)) { | |||
10658 | RD.ExprCaptures.emplace_back(Ref->getDecl()); | |||
10659 | if (Ref->getDecl()->hasAttr<OMPCaptureNoInitAttr>()) { | |||
10660 | ExprResult RefRes = S.DefaultLvalueConversion(Ref); | |||
10661 | if (!RefRes.isUsable()) | |||
10662 | continue; | |||
10663 | ExprResult PostUpdateRes = | |||
10664 | S.BuildBinOp(Stack->getCurScope(), ELoc, BO_Assign, SimpleRefExpr, | |||
10665 | RefRes.get()); | |||
10666 | if (!PostUpdateRes.isUsable()) | |||
10667 | continue; | |||
10668 | if (isOpenMPTaskingDirective(Stack->getCurrentDirective()) || | |||
10669 | Stack->getCurrentDirective() == OMPD_taskgroup) { | |||
10670 | S.Diag(RefExpr->getExprLoc(), | |||
10671 | diag::err_omp_reduction_non_addressable_expression) | |||
10672 | << RefExpr->getSourceRange(); | |||
10673 | continue; | |||
10674 | } | |||
10675 | RD.ExprPostUpdates.emplace_back( | |||
10676 | S.IgnoredValueConversions(PostUpdateRes.get()).get()); | |||
10677 | } | |||
10678 | } | |||
10679 | } | |||
10680 | // All reduction items are still marked as reduction (to do not increase | |||
10681 | // code base size). | |||
10682 | Stack->addDSA(D, RefExpr->IgnoreParens(), OMPC_reduction, Ref); | |||
10683 | if (CurrDir == OMPD_taskgroup) { | |||
10684 | if (DeclareReductionRef.isUsable()) | |||
10685 | Stack->addTaskgroupReductionData(D, ReductionIdRange, | |||
10686 | DeclareReductionRef.get()); | |||
10687 | else | |||
10688 | Stack->addTaskgroupReductionData(D, ReductionIdRange, BOK); | |||
10689 | } | |||
10690 | RD.push(VarsExpr, PrivateDRE, LHSDRE, RHSDRE, ReductionOp.get(), | |||
10691 | TaskgroupDescriptor); | |||
10692 | } | |||
10693 | return RD.Vars.empty(); | |||
10694 | } | |||
10695 | ||||
10696 | OMPClause *Sema::ActOnOpenMPReductionClause( | |||
10697 | ArrayRef<Expr *> VarList, SourceLocation StartLoc, SourceLocation LParenLoc, | |||
10698 | SourceLocation ColonLoc, SourceLocation EndLoc, | |||
10699 | CXXScopeSpec &ReductionIdScopeSpec, const DeclarationNameInfo &ReductionId, | |||
10700 | ArrayRef<Expr *> UnresolvedReductions) { | |||
10701 | ReductionData RD(VarList.size()); | |||
10702 | ||||
10703 | if (ActOnOMPReductionKindClause(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_reduction, VarList, | |||
10704 | StartLoc, LParenLoc, ColonLoc, EndLoc, | |||
10705 | ReductionIdScopeSpec, ReductionId, | |||
10706 | UnresolvedReductions, RD)) | |||
10707 | return nullptr; | |||
10708 | ||||
10709 | return OMPReductionClause::Create( | |||
10710 | Context, StartLoc, LParenLoc, ColonLoc, EndLoc, RD.Vars, | |||
10711 | ReductionIdScopeSpec.getWithLocInContext(Context), ReductionId, | |||
10712 | RD.Privates, RD.LHSs, RD.RHSs, RD.ReductionOps, | |||
10713 | buildPreInits(Context, RD.ExprCaptures), | |||
10714 | buildPostUpdate(*this, RD.ExprPostUpdates)); | |||
10715 | } | |||
10716 | ||||
10717 | OMPClause *Sema::ActOnOpenMPTaskReductionClause( | |||
10718 | ArrayRef<Expr *> VarList, SourceLocation StartLoc, SourceLocation LParenLoc, | |||
10719 | SourceLocation ColonLoc, SourceLocation EndLoc, | |||
10720 | CXXScopeSpec &ReductionIdScopeSpec, const DeclarationNameInfo &ReductionId, | |||
10721 | ArrayRef<Expr *> UnresolvedReductions) { | |||
10722 | ReductionData RD(VarList.size()); | |||
10723 | ||||
10724 | if (ActOnOMPReductionKindClause(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_task_reduction, | |||
10725 | VarList, StartLoc, LParenLoc, ColonLoc, | |||
10726 | EndLoc, ReductionIdScopeSpec, ReductionId, | |||
10727 | UnresolvedReductions, RD)) | |||
10728 | return nullptr; | |||
10729 | ||||
10730 | return OMPTaskReductionClause::Create( | |||
10731 | Context, StartLoc, LParenLoc, ColonLoc, EndLoc, RD.Vars, | |||
10732 | ReductionIdScopeSpec.getWithLocInContext(Context), ReductionId, | |||
10733 | RD.Privates, RD.LHSs, RD.RHSs, RD.ReductionOps, | |||
10734 | buildPreInits(Context, RD.ExprCaptures), | |||
10735 | buildPostUpdate(*this, RD.ExprPostUpdates)); | |||
10736 | } | |||
10737 | ||||
10738 | OMPClause *Sema::ActOnOpenMPInReductionClause( | |||
10739 | ArrayRef<Expr *> VarList, SourceLocation StartLoc, SourceLocation LParenLoc, | |||
10740 | SourceLocation ColonLoc, SourceLocation EndLoc, | |||
10741 | CXXScopeSpec &ReductionIdScopeSpec, const DeclarationNameInfo &ReductionId, | |||
10742 | ArrayRef<Expr *> UnresolvedReductions) { | |||
10743 | ReductionData RD(VarList.size()); | |||
10744 | ||||
10745 | if (ActOnOMPReductionKindClause(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_in_reduction, VarList, | |||
10746 | StartLoc, LParenLoc, ColonLoc, EndLoc, | |||
10747 | ReductionIdScopeSpec, ReductionId, | |||
10748 | UnresolvedReductions, RD)) | |||
10749 | return nullptr; | |||
10750 | ||||
10751 | return OMPInReductionClause::Create( | |||
10752 | Context, StartLoc, LParenLoc, ColonLoc, EndLoc, RD.Vars, | |||
10753 | ReductionIdScopeSpec.getWithLocInContext(Context), ReductionId, | |||
10754 | RD.Privates, RD.LHSs, RD.RHSs, RD.ReductionOps, RD.TaskgroupDescriptors, | |||
10755 | buildPreInits(Context, RD.ExprCaptures), | |||
10756 | buildPostUpdate(*this, RD.ExprPostUpdates)); | |||
10757 | } | |||
10758 | ||||
10759 | bool Sema::CheckOpenMPLinearModifier(OpenMPLinearClauseKind LinKind, | |||
10760 | SourceLocation LinLoc) { | |||
10761 | if ((!LangOpts.CPlusPlus && LinKind != OMPC_LINEAR_val) || | |||
10762 | LinKind == OMPC_LINEAR_unknown) { | |||
10763 | Diag(LinLoc, diag::err_omp_wrong_linear_modifier) << LangOpts.CPlusPlus; | |||
10764 | return true; | |||
10765 | } | |||
10766 | return false; | |||
10767 | } | |||
10768 | ||||
10769 | bool Sema::CheckOpenMPLinearDecl(ValueDecl *D, SourceLocation ELoc, | |||
10770 | OpenMPLinearClauseKind LinKind, | |||
10771 | QualType Type) { | |||
10772 | auto *VD = dyn_cast_or_null<VarDecl>(D); | |||
10773 | // A variable must not have an incomplete type or a reference type. | |||
10774 | if (RequireCompleteType(ELoc, Type, diag::err_omp_linear_incomplete_type)) | |||
10775 | return true; | |||
10776 | if ((LinKind == OMPC_LINEAR_uval || LinKind == OMPC_LINEAR_ref) && | |||
10777 | !Type->isReferenceType()) { | |||
10778 | Diag(ELoc, diag::err_omp_wrong_linear_modifier_non_reference) | |||
10779 | << Type << getOpenMPSimpleClauseTypeName(OMPC_linear, LinKind); | |||
10780 | return true; | |||
10781 | } | |||
10782 | Type = Type.getNonReferenceType(); | |||
10783 | ||||
10784 | // A list item must not be const-qualified. | |||
10785 | if (Type.isConstant(Context)) { | |||
10786 | Diag(ELoc, diag::err_omp_const_variable) | |||
10787 | << getOpenMPClauseName(OMPC_linear); | |||
10788 | if (D) { | |||
10789 | bool IsDecl = | |||
10790 | !VD || | |||
10791 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | |||
10792 | Diag(D->getLocation(), | |||
10793 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
10794 | << D; | |||
10795 | } | |||
10796 | return true; | |||
10797 | } | |||
10798 | ||||
10799 | // A list item must be of integral or pointer type. | |||
10800 | Type = Type.getUnqualifiedType().getCanonicalType(); | |||
10801 | const auto *Ty = Type.getTypePtrOrNull(); | |||
10802 | if (!Ty || (!Ty->isDependentType() && !Ty->isIntegralType(Context) && | |||
10803 | !Ty->isPointerType())) { | |||
10804 | Diag(ELoc, diag::err_omp_linear_expected_int_or_ptr) << Type; | |||
10805 | if (D) { | |||
10806 | bool IsDecl = | |||
10807 | !VD || | |||
10808 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | |||
10809 | Diag(D->getLocation(), | |||
10810 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
10811 | << D; | |||
10812 | } | |||
10813 | return true; | |||
10814 | } | |||
10815 | return false; | |||
10816 | } | |||
10817 | ||||
10818 | OMPClause *Sema::ActOnOpenMPLinearClause( | |||
10819 | ArrayRef<Expr *> VarList, Expr *Step, SourceLocation StartLoc, | |||
10820 | SourceLocation LParenLoc, OpenMPLinearClauseKind LinKind, | |||
10821 | SourceLocation LinLoc, SourceLocation ColonLoc, SourceLocation EndLoc) { | |||
10822 | SmallVector<Expr *, 8> Vars; | |||
10823 | SmallVector<Expr *, 8> Privates; | |||
10824 | SmallVector<Expr *, 8> Inits; | |||
10825 | SmallVector<Decl *, 4> ExprCaptures; | |||
10826 | SmallVector<Expr *, 4> ExprPostUpdates; | |||
10827 | if (CheckOpenMPLinearModifier(LinKind, LinLoc)) | |||
10828 | LinKind = OMPC_LINEAR_val; | |||
10829 | for (auto &RefExpr : VarList) { | |||
10830 | assert(RefExpr && "NULL expr in OpenMP linear clause.")(static_cast <bool> (RefExpr && "NULL expr in OpenMP linear clause." ) ? void (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP linear clause.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 10830, __extension__ __PRETTY_FUNCTION__)); | |||
10831 | SourceLocation ELoc; | |||
10832 | SourceRange ERange; | |||
10833 | Expr *SimpleRefExpr = RefExpr; | |||
10834 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange, | |||
10835 | /*AllowArraySection=*/false); | |||
10836 | if (Res.second) { | |||
10837 | // It will be analyzed later. | |||
10838 | Vars.push_back(RefExpr); | |||
10839 | Privates.push_back(nullptr); | |||
10840 | Inits.push_back(nullptr); | |||
10841 | } | |||
10842 | ValueDecl *D = Res.first; | |||
10843 | if (!D) | |||
10844 | continue; | |||
10845 | ||||
10846 | QualType Type = D->getType(); | |||
10847 | auto *VD = dyn_cast<VarDecl>(D); | |||
10848 | ||||
10849 | // OpenMP [2.14.3.7, linear clause] | |||
10850 | // A list-item cannot appear in more than one linear clause. | |||
10851 | // A list-item that appears in a linear clause cannot appear in any | |||
10852 | // other data-sharing attribute clause. | |||
10853 | DSAStackTy::DSAVarData DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, false); | |||
10854 | if (DVar.RefExpr) { | |||
10855 | Diag(ELoc, diag::err_omp_wrong_dsa) << getOpenMPClauseName(DVar.CKind) | |||
10856 | << getOpenMPClauseName(OMPC_linear); | |||
10857 | ReportOriginalDSA(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | |||
10858 | continue; | |||
10859 | } | |||
10860 | ||||
10861 | if (CheckOpenMPLinearDecl(D, ELoc, LinKind, Type)) | |||
10862 | continue; | |||
10863 | Type = Type.getNonReferenceType().getUnqualifiedType().getCanonicalType(); | |||
10864 | ||||
10865 | // Build private copy of original var. | |||
10866 | auto *Private = buildVarDecl(*this, ELoc, Type, D->getName(), | |||
10867 | D->hasAttrs() ? &D->getAttrs() : nullptr); | |||
10868 | auto *PrivateRef = buildDeclRefExpr(*this, Private, Type, ELoc); | |||
10869 | // Build var to save initial value. | |||
10870 | VarDecl *Init = buildVarDecl(*this, ELoc, Type, ".linear.start"); | |||
10871 | Expr *InitExpr; | |||
10872 | DeclRefExpr *Ref = nullptr; | |||
10873 | if (!VD && !CurContext->isDependentContext()) { | |||
10874 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/false); | |||
10875 | if (!IsOpenMPCapturedDecl(D)) { | |||
10876 | ExprCaptures.push_back(Ref->getDecl()); | |||
10877 | if (Ref->getDecl()->hasAttr<OMPCaptureNoInitAttr>()) { | |||
10878 | ExprResult RefRes = DefaultLvalueConversion(Ref); | |||
10879 | if (!RefRes.isUsable()) | |||
10880 | continue; | |||
10881 | ExprResult PostUpdateRes = | |||
10882 | BuildBinOp(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurScope(), ELoc, BO_Assign, | |||
10883 | SimpleRefExpr, RefRes.get()); | |||
10884 | if (!PostUpdateRes.isUsable()) | |||
10885 | continue; | |||
10886 | ExprPostUpdates.push_back( | |||
10887 | IgnoredValueConversions(PostUpdateRes.get()).get()); | |||
10888 | } | |||
10889 | } | |||
10890 | } | |||
10891 | if (LinKind == OMPC_LINEAR_uval) | |||
10892 | InitExpr = VD ? VD->getInit() : SimpleRefExpr; | |||
10893 | else | |||
10894 | InitExpr = VD ? SimpleRefExpr : Ref; | |||
10895 | AddInitializerToDecl(Init, DefaultLvalueConversion(InitExpr).get(), | |||
10896 | /*DirectInit=*/false); | |||
10897 | auto InitRef = buildDeclRefExpr(*this, Init, Type, ELoc); | |||
10898 | ||||
10899 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_linear, Ref); | |||
10900 | Vars.push_back((VD || CurContext->isDependentContext()) | |||
10901 | ? RefExpr->IgnoreParens() | |||
10902 | : Ref); | |||
10903 | Privates.push_back(PrivateRef); | |||
10904 | Inits.push_back(InitRef); | |||
10905 | } | |||
10906 | ||||
10907 | if (Vars.empty()) | |||
10908 | return nullptr; | |||
10909 | ||||
10910 | Expr *StepExpr = Step; | |||
10911 | Expr *CalcStepExpr = nullptr; | |||
10912 | if (Step && !Step->isValueDependent() && !Step->isTypeDependent() && | |||
10913 | !Step->isInstantiationDependent() && | |||
10914 | !Step->containsUnexpandedParameterPack()) { | |||
10915 | SourceLocation StepLoc = Step->getLocStart(); | |||
10916 | ExprResult Val = PerformOpenMPImplicitIntegerConversion(StepLoc, Step); | |||
10917 | if (Val.isInvalid()) | |||
10918 | return nullptr; | |||
10919 | StepExpr = Val.get(); | |||
10920 | ||||
10921 | // Build var to save the step value. | |||
10922 | VarDecl *SaveVar = | |||
10923 | buildVarDecl(*this, StepLoc, StepExpr->getType(), ".linear.step"); | |||
10924 | ExprResult SaveRef = | |||
10925 | buildDeclRefExpr(*this, SaveVar, StepExpr->getType(), StepLoc); | |||
10926 | ExprResult CalcStep = | |||
10927 | BuildBinOp(CurScope, StepLoc, BO_Assign, SaveRef.get(), StepExpr); | |||
10928 | CalcStep = ActOnFinishFullExpr(CalcStep.get()); | |||
10929 | ||||
10930 | // Warn about zero linear step (it would be probably better specified as | |||
10931 | // making corresponding variables 'const'). | |||
10932 | llvm::APSInt Result; | |||
10933 | bool IsConstant = StepExpr->isIntegerConstantExpr(Result, Context); | |||
10934 | if (IsConstant && !Result.isNegative() && !Result.isStrictlyPositive()) | |||
10935 | Diag(StepLoc, diag::warn_omp_linear_step_zero) << Vars[0] | |||
10936 | << (Vars.size() > 1); | |||
10937 | if (!IsConstant && CalcStep.isUsable()) { | |||
10938 | // Calculate the step beforehand instead of doing this on each iteration. | |||
10939 | // (This is not used if the number of iterations may be kfold-ed). | |||
10940 | CalcStepExpr = CalcStep.get(); | |||
10941 | } | |||
10942 | } | |||
10943 | ||||
10944 | return OMPLinearClause::Create(Context, StartLoc, LParenLoc, LinKind, LinLoc, | |||
10945 | ColonLoc, EndLoc, Vars, Privates, Inits, | |||
10946 | StepExpr, CalcStepExpr, | |||
10947 | buildPreInits(Context, ExprCaptures), | |||
10948 | buildPostUpdate(*this, ExprPostUpdates)); | |||
10949 | } | |||
10950 | ||||
10951 | static bool FinishOpenMPLinearClause(OMPLinearClause &Clause, DeclRefExpr *IV, | |||
10952 | Expr *NumIterations, Sema &SemaRef, | |||
10953 | Scope *S, DSAStackTy *Stack) { | |||
10954 | // Walk the vars and build update/final expressions for the CodeGen. | |||
10955 | SmallVector<Expr *, 8> Updates; | |||
10956 | SmallVector<Expr *, 8> Finals; | |||
10957 | Expr *Step = Clause.getStep(); | |||
10958 | Expr *CalcStep = Clause.getCalcStep(); | |||
10959 | // OpenMP [2.14.3.7, linear clause] | |||
10960 | // If linear-step is not specified it is assumed to be 1. | |||
10961 | if (Step == nullptr) | |||
10962 | Step = SemaRef.ActOnIntegerConstant(SourceLocation(), 1).get(); | |||
10963 | else if (CalcStep) { | |||
10964 | Step = cast<BinaryOperator>(CalcStep)->getLHS(); | |||
10965 | } | |||
10966 | bool HasErrors = false; | |||
10967 | auto CurInit = Clause.inits().begin(); | |||
10968 | auto CurPrivate = Clause.privates().begin(); | |||
10969 | auto LinKind = Clause.getModifier(); | |||
10970 | for (auto &RefExpr : Clause.varlists()) { | |||
10971 | SourceLocation ELoc; | |||
10972 | SourceRange ERange; | |||
10973 | Expr *SimpleRefExpr = RefExpr; | |||
10974 | auto Res = getPrivateItem(SemaRef, SimpleRefExpr, ELoc, ERange, | |||
10975 | /*AllowArraySection=*/false); | |||
10976 | ValueDecl *D = Res.first; | |||
10977 | if (Res.second || !D) { | |||
10978 | Updates.push_back(nullptr); | |||
10979 | Finals.push_back(nullptr); | |||
10980 | HasErrors = true; | |||
10981 | continue; | |||
10982 | } | |||
10983 | auto &&Info = Stack->isLoopControlVariable(D); | |||
10984 | // OpenMP [2.15.11, distribute simd Construct] | |||
10985 | // A list item may not appear in a linear clause, unless it is the loop | |||
10986 | // iteration variable. | |||
10987 | if (isOpenMPDistributeDirective(Stack->getCurrentDirective()) && | |||
10988 | isOpenMPSimdDirective(Stack->getCurrentDirective()) && !Info.first) { | |||
10989 | SemaRef.Diag(ELoc, | |||
10990 | diag::err_omp_linear_distribute_var_non_loop_iteration); | |||
10991 | Updates.push_back(nullptr); | |||
10992 | Finals.push_back(nullptr); | |||
10993 | HasErrors = true; | |||
10994 | continue; | |||
10995 | } | |||
10996 | Expr *InitExpr = *CurInit; | |||
10997 | ||||
10998 | // Build privatized reference to the current linear var. | |||
10999 | auto *DE = cast<DeclRefExpr>(SimpleRefExpr); | |||
11000 | Expr *CapturedRef; | |||
11001 | if (LinKind == OMPC_LINEAR_uval) | |||
11002 | CapturedRef = cast<VarDecl>(DE->getDecl())->getInit(); | |||
11003 | else | |||
11004 | CapturedRef = | |||
11005 | buildDeclRefExpr(SemaRef, cast<VarDecl>(DE->getDecl()), | |||
11006 | DE->getType().getUnqualifiedType(), DE->getExprLoc(), | |||
11007 | /*RefersToCapture=*/true); | |||
11008 | ||||
11009 | // Build update: Var = InitExpr + IV * Step | |||
11010 | ExprResult Update; | |||
11011 | if (!Info.first) { | |||
11012 | Update = | |||
11013 | BuildCounterUpdate(SemaRef, S, RefExpr->getExprLoc(), *CurPrivate, | |||
11014 | InitExpr, IV, Step, /* Subtract */ false); | |||
11015 | } else | |||
11016 | Update = *CurPrivate; | |||
11017 | Update = SemaRef.ActOnFinishFullExpr(Update.get(), DE->getLocStart(), | |||
11018 | /*DiscardedValue=*/true); | |||
11019 | ||||
11020 | // Build final: Var = InitExpr + NumIterations * Step | |||
11021 | ExprResult Final; | |||
11022 | if (!Info.first) { | |||
11023 | Final = BuildCounterUpdate(SemaRef, S, RefExpr->getExprLoc(), CapturedRef, | |||
11024 | InitExpr, NumIterations, Step, | |||
11025 | /* Subtract */ false); | |||
11026 | } else | |||
11027 | Final = *CurPrivate; | |||
11028 | Final = SemaRef.ActOnFinishFullExpr(Final.get(), DE->getLocStart(), | |||
11029 | /*DiscardedValue=*/true); | |||
11030 | ||||
11031 | if (!Update.isUsable() || !Final.isUsable()) { | |||
11032 | Updates.push_back(nullptr); | |||
11033 | Finals.push_back(nullptr); | |||
11034 | HasErrors = true; | |||
11035 | } else { | |||
11036 | Updates.push_back(Update.get()); | |||
11037 | Finals.push_back(Final.get()); | |||
11038 | } | |||
11039 | ++CurInit; | |||
11040 | ++CurPrivate; | |||
11041 | } | |||
11042 | Clause.setUpdates(Updates); | |||
11043 | Clause.setFinals(Finals); | |||
11044 | return HasErrors; | |||
11045 | } | |||
11046 | ||||
11047 | OMPClause *Sema::ActOnOpenMPAlignedClause( | |||
11048 | ArrayRef<Expr *> VarList, Expr *Alignment, SourceLocation StartLoc, | |||
11049 | SourceLocation LParenLoc, SourceLocation ColonLoc, SourceLocation EndLoc) { | |||
11050 | ||||
11051 | SmallVector<Expr *, 8> Vars; | |||
11052 | for (auto &RefExpr : VarList) { | |||
11053 | assert(RefExpr && "NULL expr in OpenMP linear clause.")(static_cast <bool> (RefExpr && "NULL expr in OpenMP linear clause." ) ? void (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP linear clause.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 11053, __extension__ __PRETTY_FUNCTION__)); | |||
11054 | SourceLocation ELoc; | |||
11055 | SourceRange ERange; | |||
11056 | Expr *SimpleRefExpr = RefExpr; | |||
11057 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange, | |||
11058 | /*AllowArraySection=*/false); | |||
11059 | if (Res.second) { | |||
11060 | // It will be analyzed later. | |||
11061 | Vars.push_back(RefExpr); | |||
11062 | } | |||
11063 | ValueDecl *D = Res.first; | |||
11064 | if (!D) | |||
11065 | continue; | |||
11066 | ||||
11067 | QualType QType = D->getType(); | |||
11068 | auto *VD = dyn_cast<VarDecl>(D); | |||
11069 | ||||
11070 | // OpenMP [2.8.1, simd construct, Restrictions] | |||
11071 | // The type of list items appearing in the aligned clause must be | |||
11072 | // array, pointer, reference to array, or reference to pointer. | |||
11073 | QType = QType.getNonReferenceType().getUnqualifiedType().getCanonicalType(); | |||
11074 | const Type *Ty = QType.getTypePtrOrNull(); | |||
11075 | if (!Ty || (!Ty->isArrayType() && !Ty->isPointerType())) { | |||
11076 | Diag(ELoc, diag::err_omp_aligned_expected_array_or_ptr) | |||
11077 | << QType << getLangOpts().CPlusPlus << ERange; | |||
11078 | bool IsDecl = | |||
11079 | !VD || | |||
11080 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | |||
11081 | Diag(D->getLocation(), | |||
11082 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
11083 | << D; | |||
11084 | continue; | |||
11085 | } | |||
11086 | ||||
11087 | // OpenMP [2.8.1, simd construct, Restrictions] | |||
11088 | // A list-item cannot appear in more than one aligned clause. | |||
11089 | if (Expr *PrevRef = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addUniqueAligned(D, SimpleRefExpr)) { | |||
11090 | Diag(ELoc, diag::err_omp_aligned_twice) << 0 << ERange; | |||
11091 | Diag(PrevRef->getExprLoc(), diag::note_omp_explicit_dsa) | |||
11092 | << getOpenMPClauseName(OMPC_aligned); | |||
11093 | continue; | |||
11094 | } | |||
11095 | ||||
11096 | DeclRefExpr *Ref = nullptr; | |||
11097 | if (!VD && IsOpenMPCapturedDecl(D)) | |||
11098 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/true); | |||
11099 | Vars.push_back(DefaultFunctionArrayConversion( | |||
11100 | (VD || !Ref) ? RefExpr->IgnoreParens() : Ref) | |||
11101 | .get()); | |||
11102 | } | |||
11103 | ||||
11104 | // OpenMP [2.8.1, simd construct, Description] | |||
11105 | // The parameter of the aligned clause, alignment, must be a constant | |||
11106 | // positive integer expression. | |||
11107 | // If no optional parameter is specified, implementation-defined default | |||
11108 | // alignments for SIMD instructions on the target platforms are assumed. | |||
11109 | if (Alignment != nullptr) { | |||
11110 | ExprResult AlignResult = | |||
11111 | VerifyPositiveIntegerConstantInClause(Alignment, OMPC_aligned); | |||
11112 | if (AlignResult.isInvalid()) | |||
11113 | return nullptr; | |||
11114 | Alignment = AlignResult.get(); | |||
11115 | } | |||
11116 | if (Vars.empty()) | |||
11117 | return nullptr; | |||
11118 | ||||
11119 | return OMPAlignedClause::Create(Context, StartLoc, LParenLoc, ColonLoc, | |||
11120 | EndLoc, Vars, Alignment); | |||
11121 | } | |||
11122 | ||||
11123 | OMPClause *Sema::ActOnOpenMPCopyinClause(ArrayRef<Expr *> VarList, | |||
11124 | SourceLocation StartLoc, | |||
11125 | SourceLocation LParenLoc, | |||
11126 | SourceLocation EndLoc) { | |||
11127 | SmallVector<Expr *, 8> Vars; | |||
11128 | SmallVector<Expr *, 8> SrcExprs; | |||
11129 | SmallVector<Expr *, 8> DstExprs; | |||
11130 | SmallVector<Expr *, 8> AssignmentOps; | |||
11131 | for (auto &RefExpr : VarList) { | |||
11132 | assert(RefExpr && "NULL expr in OpenMP copyin clause.")(static_cast <bool> (RefExpr && "NULL expr in OpenMP copyin clause." ) ? void (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP copyin clause.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 11132, __extension__ __PRETTY_FUNCTION__)); | |||
11133 | if (isa<DependentScopeDeclRefExpr>(RefExpr)) { | |||
11134 | // It will be analyzed later. | |||
11135 | Vars.push_back(RefExpr); | |||
11136 | SrcExprs.push_back(nullptr); | |||
11137 | DstExprs.push_back(nullptr); | |||
11138 | AssignmentOps.push_back(nullptr); | |||
11139 | continue; | |||
11140 | } | |||
11141 | ||||
11142 | SourceLocation ELoc = RefExpr->getExprLoc(); | |||
11143 | // OpenMP [2.1, C/C++] | |||
11144 | // A list item is a variable name. | |||
11145 | // OpenMP [2.14.4.1, Restrictions, p.1] | |||
11146 | // A list item that appears in a copyin clause must be threadprivate. | |||
11147 | DeclRefExpr *DE = dyn_cast<DeclRefExpr>(RefExpr); | |||
11148 | if (!DE || !isa<VarDecl>(DE->getDecl())) { | |||
11149 | Diag(ELoc, diag::err_omp_expected_var_name_member_expr) | |||
11150 | << 0 << RefExpr->getSourceRange(); | |||
11151 | continue; | |||
11152 | } | |||
11153 | ||||
11154 | Decl *D = DE->getDecl(); | |||
11155 | VarDecl *VD = cast<VarDecl>(D); | |||
11156 | ||||
11157 | QualType Type = VD->getType(); | |||
11158 | if (Type->isDependentType() || Type->isInstantiationDependentType()) { | |||
11159 | // It will be analyzed later. | |||
11160 | Vars.push_back(DE); | |||
11161 | SrcExprs.push_back(nullptr); | |||
11162 | DstExprs.push_back(nullptr); | |||
11163 | AssignmentOps.push_back(nullptr); | |||
11164 | continue; | |||
11165 | } | |||
11166 | ||||
11167 | // OpenMP [2.14.4.1, Restrictions, C/C++, p.1] | |||
11168 | // A list item that appears in a copyin clause must be threadprivate. | |||
11169 | if (!DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isThreadPrivate(VD)) { | |||
11170 | Diag(ELoc, diag::err_omp_required_access) | |||
11171 | << getOpenMPClauseName(OMPC_copyin) | |||
11172 | << getOpenMPDirectiveName(OMPD_threadprivate); | |||
11173 | continue; | |||
11174 | } | |||
11175 | ||||
11176 | // OpenMP [2.14.4.1, Restrictions, C/C++, p.2] | |||
11177 | // A variable of class type (or array thereof) that appears in a | |||
11178 | // copyin clause requires an accessible, unambiguous copy assignment | |||
11179 | // operator for the class type. | |||
11180 | auto ElemType = Context.getBaseElementType(Type).getNonReferenceType(); | |||
11181 | auto *SrcVD = | |||
11182 | buildVarDecl(*this, DE->getLocStart(), ElemType.getUnqualifiedType(), | |||
11183 | ".copyin.src", VD->hasAttrs() ? &VD->getAttrs() : nullptr); | |||
11184 | auto *PseudoSrcExpr = buildDeclRefExpr( | |||
11185 | *this, SrcVD, ElemType.getUnqualifiedType(), DE->getExprLoc()); | |||
11186 | auto *DstVD = | |||
11187 | buildVarDecl(*this, DE->getLocStart(), ElemType, ".copyin.dst", | |||
11188 | VD->hasAttrs() ? &VD->getAttrs() : nullptr); | |||
11189 | auto *PseudoDstExpr = | |||
11190 | buildDeclRefExpr(*this, DstVD, ElemType, DE->getExprLoc()); | |||
11191 | // For arrays generate assignment operation for single element and replace | |||
11192 | // it by the original array element in CodeGen. | |||
11193 | auto AssignmentOp = BuildBinOp(/*S=*/nullptr, DE->getExprLoc(), BO_Assign, | |||
11194 | PseudoDstExpr, PseudoSrcExpr); | |||
11195 | if (AssignmentOp.isInvalid()) | |||
11196 | continue; | |||
11197 | AssignmentOp = ActOnFinishFullExpr(AssignmentOp.get(), DE->getExprLoc(), | |||
11198 | /*DiscardedValue=*/true); | |||
11199 | if (AssignmentOp.isInvalid()) | |||
11200 | continue; | |||
11201 | ||||
11202 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(VD, DE, OMPC_copyin); | |||
11203 | Vars.push_back(DE); | |||
11204 | SrcExprs.push_back(PseudoSrcExpr); | |||
11205 | DstExprs.push_back(PseudoDstExpr); | |||
11206 | AssignmentOps.push_back(AssignmentOp.get()); | |||
11207 | } | |||
11208 | ||||
11209 | if (Vars.empty()) | |||
11210 | return nullptr; | |||
11211 | ||||
11212 | return OMPCopyinClause::Create(Context, StartLoc, LParenLoc, EndLoc, Vars, | |||
11213 | SrcExprs, DstExprs, AssignmentOps); | |||
11214 | } | |||
11215 | ||||
11216 | OMPClause *Sema::ActOnOpenMPCopyprivateClause(ArrayRef<Expr *> VarList, | |||
11217 | SourceLocation StartLoc, | |||
11218 | SourceLocation LParenLoc, | |||
11219 | SourceLocation EndLoc) { | |||
11220 | SmallVector<Expr *, 8> Vars; | |||
11221 | SmallVector<Expr *, 8> SrcExprs; | |||
11222 | SmallVector<Expr *, 8> DstExprs; | |||
11223 | SmallVector<Expr *, 8> AssignmentOps; | |||
11224 | for (auto &RefExpr : VarList) { | |||
11225 | assert(RefExpr && "NULL expr in OpenMP linear clause.")(static_cast <bool> (RefExpr && "NULL expr in OpenMP linear clause." ) ? void (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP linear clause.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 11225, __extension__ __PRETTY_FUNCTION__)); | |||
11226 | SourceLocation ELoc; | |||
11227 | SourceRange ERange; | |||
11228 | Expr *SimpleRefExpr = RefExpr; | |||
11229 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange, | |||
11230 | /*AllowArraySection=*/false); | |||
11231 | if (Res.second) { | |||
11232 | // It will be analyzed later. | |||
11233 | Vars.push_back(RefExpr); | |||
11234 | SrcExprs.push_back(nullptr); | |||
11235 | DstExprs.push_back(nullptr); | |||
11236 | AssignmentOps.push_back(nullptr); | |||
11237 | } | |||
11238 | ValueDecl *D = Res.first; | |||
11239 | if (!D) | |||
11240 | continue; | |||
11241 | ||||
11242 | QualType Type = D->getType(); | |||
11243 | auto *VD = dyn_cast<VarDecl>(D); | |||
11244 | ||||
11245 | // OpenMP [2.14.4.2, Restrictions, p.2] | |||
11246 | // A list item that appears in a copyprivate clause may not appear in a | |||
11247 | // private or firstprivate clause on the single construct. | |||
11248 | if (!VD || !DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isThreadPrivate(VD)) { | |||
11249 | auto DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, false); | |||
11250 | if (DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_copyprivate && | |||
11251 | DVar.RefExpr) { | |||
11252 | Diag(ELoc, diag::err_omp_wrong_dsa) | |||
11253 | << getOpenMPClauseName(DVar.CKind) | |||
11254 | << getOpenMPClauseName(OMPC_copyprivate); | |||
11255 | ReportOriginalDSA(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | |||
11256 | continue; | |||
11257 | } | |||
11258 | ||||
11259 | // OpenMP [2.11.4.2, Restrictions, p.1] | |||
11260 | // All list items that appear in a copyprivate clause must be either | |||
11261 | // threadprivate or private in the enclosing context. | |||
11262 | if (DVar.CKind == OMPC_unknown) { | |||
11263 | DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getImplicitDSA(D, false); | |||
11264 | if (DVar.CKind == OMPC_shared) { | |||
11265 | Diag(ELoc, diag::err_omp_required_access) | |||
11266 | << getOpenMPClauseName(OMPC_copyprivate) | |||
11267 | << "threadprivate or private in the enclosing context"; | |||
11268 | ReportOriginalDSA(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | |||
11269 | continue; | |||
11270 | } | |||
11271 | } | |||
11272 | } | |||
11273 | ||||
11274 | // Variably modified types are not supported. | |||
11275 | if (!Type->isAnyPointerType() && Type->isVariablyModifiedType()) { | |||
11276 | Diag(ELoc, diag::err_omp_variably_modified_type_not_supported) | |||
11277 | << getOpenMPClauseName(OMPC_copyprivate) << Type | |||
11278 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); | |||
11279 | bool IsDecl = | |||
11280 | !VD || | |||
11281 | VD->isThisDeclarationADefinition(Context) == VarDecl::DeclarationOnly; | |||
11282 | Diag(D->getLocation(), | |||
11283 | IsDecl ? diag::note_previous_decl : diag::note_defined_here) | |||
11284 | << D; | |||
11285 | continue; | |||
11286 | } | |||
11287 | ||||
11288 | // OpenMP [2.14.4.1, Restrictions, C/C++, p.2] | |||
11289 | // A variable of class type (or array thereof) that appears in a | |||
11290 | // copyin clause requires an accessible, unambiguous copy assignment | |||
11291 | // operator for the class type. | |||
11292 | Type = Context.getBaseElementType(Type.getNonReferenceType()) | |||
11293 | .getUnqualifiedType(); | |||
11294 | auto *SrcVD = | |||
11295 | buildVarDecl(*this, RefExpr->getLocStart(), Type, ".copyprivate.src", | |||
11296 | D->hasAttrs() ? &D->getAttrs() : nullptr); | |||
11297 | auto *PseudoSrcExpr = buildDeclRefExpr(*this, SrcVD, Type, ELoc); | |||
11298 | auto *DstVD = | |||
11299 | buildVarDecl(*this, RefExpr->getLocStart(), Type, ".copyprivate.dst", | |||
11300 | D->hasAttrs() ? &D->getAttrs() : nullptr); | |||
11301 | auto *PseudoDstExpr = buildDeclRefExpr(*this, DstVD, Type, ELoc); | |||
11302 | auto AssignmentOp = BuildBinOp(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurScope(), ELoc, BO_Assign, | |||
11303 | PseudoDstExpr, PseudoSrcExpr); | |||
11304 | if (AssignmentOp.isInvalid()) | |||
11305 | continue; | |||
11306 | AssignmentOp = ActOnFinishFullExpr(AssignmentOp.get(), ELoc, | |||
11307 | /*DiscardedValue=*/true); | |||
11308 | if (AssignmentOp.isInvalid()) | |||
11309 | continue; | |||
11310 | ||||
11311 | // No need to mark vars as copyprivate, they are already threadprivate or | |||
11312 | // implicitly private. | |||
11313 | assert(VD || IsOpenMPCapturedDecl(D))(static_cast <bool> (VD || IsOpenMPCapturedDecl(D)) ? void (0) : __assert_fail ("VD || IsOpenMPCapturedDecl(D)", "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 11313, __extension__ __PRETTY_FUNCTION__)); | |||
11314 | Vars.push_back( | |||
11315 | VD ? RefExpr->IgnoreParens() | |||
11316 | : buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/false)); | |||
11317 | SrcExprs.push_back(PseudoSrcExpr); | |||
11318 | DstExprs.push_back(PseudoDstExpr); | |||
11319 | AssignmentOps.push_back(AssignmentOp.get()); | |||
11320 | } | |||
11321 | ||||
11322 | if (Vars.empty()) | |||
11323 | return nullptr; | |||
11324 | ||||
11325 | return OMPCopyprivateClause::Create(Context, StartLoc, LParenLoc, EndLoc, | |||
11326 | Vars, SrcExprs, DstExprs, AssignmentOps); | |||
11327 | } | |||
11328 | ||||
11329 | OMPClause *Sema::ActOnOpenMPFlushClause(ArrayRef<Expr *> VarList, | |||
11330 | SourceLocation StartLoc, | |||
11331 | SourceLocation LParenLoc, | |||
11332 | SourceLocation EndLoc) { | |||
11333 | if (VarList.empty()) | |||
11334 | return nullptr; | |||
11335 | ||||
11336 | return OMPFlushClause::Create(Context, StartLoc, LParenLoc, EndLoc, VarList); | |||
11337 | } | |||
11338 | ||||
11339 | OMPClause * | |||
11340 | Sema::ActOnOpenMPDependClause(OpenMPDependClauseKind DepKind, | |||
11341 | SourceLocation DepLoc, SourceLocation ColonLoc, | |||
11342 | ArrayRef<Expr *> VarList, SourceLocation StartLoc, | |||
11343 | SourceLocation LParenLoc, SourceLocation EndLoc) { | |||
11344 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() == OMPD_ordered && | |||
11345 | DepKind != OMPC_DEPEND_source && DepKind != OMPC_DEPEND_sink) { | |||
11346 | Diag(DepLoc, diag::err_omp_unexpected_clause_value) | |||
11347 | << "'source' or 'sink'" << getOpenMPClauseName(OMPC_depend); | |||
11348 | return nullptr; | |||
11349 | } | |||
11350 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective() != OMPD_ordered && | |||
11351 | (DepKind == OMPC_DEPEND_unknown || DepKind == OMPC_DEPEND_source || | |||
11352 | DepKind == OMPC_DEPEND_sink)) { | |||
11353 | unsigned Except[] = {OMPC_DEPEND_source, OMPC_DEPEND_sink}; | |||
11354 | Diag(DepLoc, diag::err_omp_unexpected_clause_value) | |||
11355 | << getListOfPossibleValues(OMPC_depend, /*First=*/0, | |||
11356 | /*Last=*/OMPC_DEPEND_unknown, Except) | |||
11357 | << getOpenMPClauseName(OMPC_depend); | |||
11358 | return nullptr; | |||
11359 | } | |||
11360 | SmallVector<Expr *, 8> Vars; | |||
11361 | DSAStackTy::OperatorOffsetTy OpsOffs; | |||
11362 | llvm::APSInt DepCounter(/*BitWidth=*/32); | |||
11363 | llvm::APSInt TotalDepCount(/*BitWidth=*/32); | |||
11364 | if (DepKind == OMPC_DEPEND_sink) { | |||
11365 | if (auto *OrderedCountExpr = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam()) { | |||
11366 | TotalDepCount = OrderedCountExpr->EvaluateKnownConstInt(Context); | |||
11367 | TotalDepCount.setIsUnsigned(/*Val=*/true); | |||
11368 | } | |||
11369 | } | |||
11370 | for (auto &RefExpr : VarList) { | |||
11371 | assert(RefExpr && "NULL expr in OpenMP shared clause.")(static_cast <bool> (RefExpr && "NULL expr in OpenMP shared clause." ) ? void (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP shared clause.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 11371, __extension__ __PRETTY_FUNCTION__)); | |||
11372 | if (isa<DependentScopeDeclRefExpr>(RefExpr)) { | |||
11373 | // It will be analyzed later. | |||
11374 | Vars.push_back(RefExpr); | |||
11375 | continue; | |||
11376 | } | |||
11377 | ||||
11378 | SourceLocation ELoc = RefExpr->getExprLoc(); | |||
11379 | auto *SimpleExpr = RefExpr->IgnoreParenCasts(); | |||
11380 | if (DepKind == OMPC_DEPEND_sink) { | |||
11381 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam() && | |||
11382 | DepCounter >= TotalDepCount) { | |||
11383 | Diag(ELoc, diag::err_omp_depend_sink_unexpected_expr); | |||
11384 | continue; | |||
11385 | } | |||
11386 | ++DepCounter; | |||
11387 | // OpenMP [2.13.9, Summary] | |||
11388 | // depend(dependence-type : vec), where dependence-type is: | |||
11389 | // 'sink' and where vec is the iteration vector, which has the form: | |||
11390 | // x1 [+- d1], x2 [+- d2 ], . . . , xn [+- dn] | |||
11391 | // where n is the value specified by the ordered clause in the loop | |||
11392 | // directive, xi denotes the loop iteration variable of the i-th nested | |||
11393 | // loop associated with the loop directive, and di is a constant | |||
11394 | // non-negative integer. | |||
11395 | if (CurContext->isDependentContext()) { | |||
11396 | // It will be analyzed later. | |||
11397 | Vars.push_back(RefExpr); | |||
11398 | continue; | |||
11399 | } | |||
11400 | SimpleExpr = SimpleExpr->IgnoreImplicit(); | |||
11401 | OverloadedOperatorKind OOK = OO_None; | |||
11402 | SourceLocation OOLoc; | |||
11403 | Expr *LHS = SimpleExpr; | |||
11404 | Expr *RHS = nullptr; | |||
11405 | if (auto *BO = dyn_cast<BinaryOperator>(SimpleExpr)) { | |||
11406 | OOK = BinaryOperator::getOverloadedOperator(BO->getOpcode()); | |||
11407 | OOLoc = BO->getOperatorLoc(); | |||
11408 | LHS = BO->getLHS()->IgnoreParenImpCasts(); | |||
11409 | RHS = BO->getRHS()->IgnoreParenImpCasts(); | |||
11410 | } else if (auto *OCE = dyn_cast<CXXOperatorCallExpr>(SimpleExpr)) { | |||
11411 | OOK = OCE->getOperator(); | |||
11412 | OOLoc = OCE->getOperatorLoc(); | |||
11413 | LHS = OCE->getArg(/*Arg=*/0)->IgnoreParenImpCasts(); | |||
11414 | RHS = OCE->getArg(/*Arg=*/1)->IgnoreParenImpCasts(); | |||
11415 | } else if (auto *MCE = dyn_cast<CXXMemberCallExpr>(SimpleExpr)) { | |||
11416 | OOK = MCE->getMethodDecl() | |||
11417 | ->getNameInfo() | |||
11418 | .getName() | |||
11419 | .getCXXOverloadedOperator(); | |||
11420 | OOLoc = MCE->getCallee()->getExprLoc(); | |||
11421 | LHS = MCE->getImplicitObjectArgument()->IgnoreParenImpCasts(); | |||
11422 | RHS = MCE->getArg(/*Arg=*/0)->IgnoreParenImpCasts(); | |||
11423 | } | |||
11424 | SourceLocation ELoc; | |||
11425 | SourceRange ERange; | |||
11426 | auto Res = getPrivateItem(*this, LHS, ELoc, ERange, | |||
11427 | /*AllowArraySection=*/false); | |||
11428 | if (Res.second) { | |||
11429 | // It will be analyzed later. | |||
11430 | Vars.push_back(RefExpr); | |||
11431 | } | |||
11432 | ValueDecl *D = Res.first; | |||
11433 | if (!D) | |||
11434 | continue; | |||
11435 | ||||
11436 | if (OOK != OO_Plus && OOK != OO_Minus && (RHS || OOK != OO_None)) { | |||
11437 | Diag(OOLoc, diag::err_omp_depend_sink_expected_plus_minus); | |||
11438 | continue; | |||
11439 | } | |||
11440 | if (RHS) { | |||
11441 | ExprResult RHSRes = VerifyPositiveIntegerConstantInClause( | |||
11442 | RHS, OMPC_depend, /*StrictlyPositive=*/false); | |||
11443 | if (RHSRes.isInvalid()) | |||
11444 | continue; | |||
11445 | } | |||
11446 | if (!CurContext->isDependentContext() && | |||
11447 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam() && | |||
11448 | DepCounter != DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentLoopControlVariable(D).first) { | |||
11449 | ValueDecl *VD = | |||
11450 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentLoopControlVariable(DepCounter.getZExtValue()); | |||
11451 | if (VD) { | |||
11452 | Diag(ELoc, diag::err_omp_depend_sink_expected_loop_iteration) | |||
11453 | << 1 << VD; | |||
11454 | } else { | |||
11455 | Diag(ELoc, diag::err_omp_depend_sink_expected_loop_iteration) << 0; | |||
11456 | } | |||
11457 | continue; | |||
11458 | } | |||
11459 | OpsOffs.push_back({RHS, OOK}); | |||
11460 | } else { | |||
11461 | auto *ASE = dyn_cast<ArraySubscriptExpr>(SimpleExpr); | |||
11462 | if (!RefExpr->IgnoreParenImpCasts()->isLValue() || | |||
11463 | (ASE && | |||
11464 | !ASE->getBase()->getType().getNonReferenceType()->isPointerType() && | |||
11465 | !ASE->getBase()->getType().getNonReferenceType()->isArrayType())) { | |||
11466 | Diag(ELoc, diag::err_omp_expected_addressable_lvalue_or_array_item) | |||
11467 | << RefExpr->getSourceRange(); | |||
11468 | continue; | |||
11469 | } | |||
11470 | bool Suppress = getDiagnostics().getSuppressAllDiagnostics(); | |||
11471 | getDiagnostics().setSuppressAllDiagnostics(/*Val=*/true); | |||
11472 | ExprResult Res = | |||
11473 | CreateBuiltinUnaryOp(ELoc, UO_AddrOf, RefExpr->IgnoreParenImpCasts()); | |||
11474 | getDiagnostics().setSuppressAllDiagnostics(Suppress); | |||
11475 | if (!Res.isUsable() && !isa<OMPArraySectionExpr>(SimpleExpr)) { | |||
11476 | Diag(ELoc, diag::err_omp_expected_addressable_lvalue_or_array_item) | |||
11477 | << RefExpr->getSourceRange(); | |||
11478 | continue; | |||
11479 | } | |||
11480 | } | |||
11481 | Vars.push_back(RefExpr->IgnoreParenImpCasts()); | |||
11482 | } | |||
11483 | ||||
11484 | if (!CurContext->isDependentContext() && DepKind == OMPC_DEPEND_sink && | |||
11485 | TotalDepCount > VarList.size() && | |||
11486 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentOrderedRegionParam() && | |||
11487 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentLoopControlVariable(VarList.size() + 1)) { | |||
11488 | Diag(EndLoc, diag::err_omp_depend_sink_expected_loop_iteration) | |||
11489 | << 1 << DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getParentLoopControlVariable(VarList.size() + 1); | |||
11490 | } | |||
11491 | if (DepKind != OMPC_DEPEND_source && DepKind != OMPC_DEPEND_sink && | |||
11492 | Vars.empty()) | |||
11493 | return nullptr; | |||
11494 | ||||
11495 | auto *C = OMPDependClause::Create(Context, StartLoc, LParenLoc, EndLoc, | |||
11496 | DepKind, DepLoc, ColonLoc, Vars); | |||
11497 | if ((DepKind == OMPC_DEPEND_sink || DepKind == OMPC_DEPEND_source) && | |||
11498 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isParentOrderedRegion()) | |||
11499 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDoacrossDependClause(C, OpsOffs); | |||
11500 | return C; | |||
11501 | } | |||
11502 | ||||
11503 | OMPClause *Sema::ActOnOpenMPDeviceClause(Expr *Device, SourceLocation StartLoc, | |||
11504 | SourceLocation LParenLoc, | |||
11505 | SourceLocation EndLoc) { | |||
11506 | Expr *ValExpr = Device; | |||
11507 | Stmt *HelperValStmt = nullptr; | |||
11508 | ||||
11509 | // OpenMP [2.9.1, Restrictions] | |||
11510 | // The device expression must evaluate to a non-negative integer value. | |||
11511 | if (!IsNonNegativeIntegerValue(ValExpr, *this, OMPC_device, | |||
11512 | /*StrictlyPositive=*/false)) | |||
11513 | return nullptr; | |||
11514 | ||||
11515 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | |||
11516 | OpenMPDirectiveKind CaptureRegion = | |||
11517 | getOpenMPCaptureRegionForClause(DKind, OMPC_device); | |||
11518 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { | |||
11519 | ValExpr = MakeFullExpr(ValExpr).get(); | |||
11520 | llvm::MapVector<Expr *, DeclRefExpr *> Captures; | |||
11521 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | |||
11522 | HelperValStmt = buildPreInits(Context, Captures); | |||
11523 | } | |||
11524 | ||||
11525 | return new (Context) OMPDeviceClause(ValExpr, HelperValStmt, CaptureRegion, | |||
11526 | StartLoc, LParenLoc, EndLoc); | |||
11527 | } | |||
11528 | ||||
11529 | static bool CheckTypeMappable(SourceLocation SL, SourceRange SR, Sema &SemaRef, | |||
11530 | DSAStackTy *Stack, QualType QTy, | |||
11531 | bool FullCheck = true) { | |||
11532 | NamedDecl *ND; | |||
11533 | if (QTy->isIncompleteType(&ND)) { | |||
11534 | SemaRef.Diag(SL, diag::err_incomplete_type) << QTy << SR; | |||
11535 | return false; | |||
11536 | } | |||
11537 | if (FullCheck && !SemaRef.CurContext->isDependentContext() && | |||
11538 | !QTy.isTrivialType(SemaRef.Context)) | |||
11539 | SemaRef.Diag(SL, diag::warn_omp_non_trivial_type_mapped) << QTy << SR; | |||
11540 | return true; | |||
11541 | } | |||
11542 | ||||
11543 | /// \brief Return true if it can be proven that the provided array expression | |||
11544 | /// (array section or array subscript) does NOT specify the whole size of the | |||
11545 | /// array whose base type is \a BaseQTy. | |||
11546 | static bool CheckArrayExpressionDoesNotReferToWholeSize(Sema &SemaRef, | |||
11547 | const Expr *E, | |||
11548 | QualType BaseQTy) { | |||
11549 | auto *OASE = dyn_cast<OMPArraySectionExpr>(E); | |||
11550 | ||||
11551 | // If this is an array subscript, it refers to the whole size if the size of | |||
11552 | // the dimension is constant and equals 1. Also, an array section assumes the | |||
11553 | // format of an array subscript if no colon is used. | |||
11554 | if (isa<ArraySubscriptExpr>(E) || (OASE && OASE->getColonLoc().isInvalid())) { | |||
11555 | if (auto *ATy = dyn_cast<ConstantArrayType>(BaseQTy.getTypePtr())) | |||
11556 | return ATy->getSize().getSExtValue() != 1; | |||
11557 | // Size can't be evaluated statically. | |||
11558 | return false; | |||
11559 | } | |||
11560 | ||||
11561 | assert(OASE && "Expecting array section if not an array subscript.")(static_cast <bool> (OASE && "Expecting array section if not an array subscript." ) ? void (0) : __assert_fail ("OASE && \"Expecting array section if not an array subscript.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 11561, __extension__ __PRETTY_FUNCTION__)); | |||
11562 | auto *LowerBound = OASE->getLowerBound(); | |||
11563 | auto *Length = OASE->getLength(); | |||
11564 | ||||
11565 | // If there is a lower bound that does not evaluates to zero, we are not | |||
11566 | // covering the whole dimension. | |||
11567 | if (LowerBound) { | |||
11568 | llvm::APSInt ConstLowerBound; | |||
11569 | if (!LowerBound->EvaluateAsInt(ConstLowerBound, SemaRef.getASTContext())) | |||
11570 | return false; // Can't get the integer value as a constant. | |||
11571 | if (ConstLowerBound.getSExtValue()) | |||
11572 | return true; | |||
11573 | } | |||
11574 | ||||
11575 | // If we don't have a length we covering the whole dimension. | |||
11576 | if (!Length) | |||
11577 | return false; | |||
11578 | ||||
11579 | // If the base is a pointer, we don't have a way to get the size of the | |||
11580 | // pointee. | |||
11581 | if (BaseQTy->isPointerType()) | |||
11582 | return false; | |||
11583 | ||||
11584 | // We can only check if the length is the same as the size of the dimension | |||
11585 | // if we have a constant array. | |||
11586 | auto *CATy = dyn_cast<ConstantArrayType>(BaseQTy.getTypePtr()); | |||
11587 | if (!CATy) | |||
11588 | return false; | |||
11589 | ||||
11590 | llvm::APSInt ConstLength; | |||
11591 | if (!Length->EvaluateAsInt(ConstLength, SemaRef.getASTContext())) | |||
11592 | return false; // Can't get the integer value as a constant. | |||
11593 | ||||
11594 | return CATy->getSize().getSExtValue() != ConstLength.getSExtValue(); | |||
11595 | } | |||
11596 | ||||
11597 | // Return true if it can be proven that the provided array expression (array | |||
11598 | // section or array subscript) does NOT specify a single element of the array | |||
11599 | // whose base type is \a BaseQTy. | |||
11600 | static bool CheckArrayExpressionDoesNotReferToUnitySize(Sema &SemaRef, | |||
11601 | const Expr *E, | |||
11602 | QualType BaseQTy) { | |||
11603 | auto *OASE = dyn_cast<OMPArraySectionExpr>(E); | |||
11604 | ||||
11605 | // An array subscript always refer to a single element. Also, an array section | |||
11606 | // assumes the format of an array subscript if no colon is used. | |||
11607 | if (isa<ArraySubscriptExpr>(E) || (OASE && OASE->getColonLoc().isInvalid())) | |||
11608 | return false; | |||
11609 | ||||
11610 | assert(OASE && "Expecting array section if not an array subscript.")(static_cast <bool> (OASE && "Expecting array section if not an array subscript." ) ? void (0) : __assert_fail ("OASE && \"Expecting array section if not an array subscript.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 11610, __extension__ __PRETTY_FUNCTION__)); | |||
11611 | auto *Length = OASE->getLength(); | |||
11612 | ||||
11613 | // If we don't have a length we have to check if the array has unitary size | |||
11614 | // for this dimension. Also, we should always expect a length if the base type | |||
11615 | // is pointer. | |||
11616 | if (!Length) { | |||
11617 | if (auto *ATy = dyn_cast<ConstantArrayType>(BaseQTy.getTypePtr())) | |||
11618 | return ATy->getSize().getSExtValue() != 1; | |||
11619 | // We cannot assume anything. | |||
11620 | return false; | |||
11621 | } | |||
11622 | ||||
11623 | // Check if the length evaluates to 1. | |||
11624 | llvm::APSInt ConstLength; | |||
11625 | if (!Length->EvaluateAsInt(ConstLength, SemaRef.getASTContext())) | |||
11626 | return false; // Can't get the integer value as a constant. | |||
11627 | ||||
11628 | return ConstLength.getSExtValue() != 1; | |||
11629 | } | |||
11630 | ||||
11631 | // Return the expression of the base of the mappable expression or null if it | |||
11632 | // cannot be determined and do all the necessary checks to see if the expression | |||
11633 | // is valid as a standalone mappable expression. In the process, record all the | |||
11634 | // components of the expression. | |||
11635 | static Expr *CheckMapClauseExpressionBase( | |||
11636 | Sema &SemaRef, Expr *E, | |||
11637 | OMPClauseMappableExprCommon::MappableExprComponentList &CurComponents, | |||
11638 | OpenMPClauseKind CKind, bool NoDiagnose) { | |||
11639 | SourceLocation ELoc = E->getExprLoc(); | |||
11640 | SourceRange ERange = E->getSourceRange(); | |||
11641 | ||||
11642 | // The base of elements of list in a map clause have to be either: | |||
11643 | // - a reference to variable or field. | |||
11644 | // - a member expression. | |||
11645 | // - an array expression. | |||
11646 | // | |||
11647 | // E.g. if we have the expression 'r.S.Arr[:12]', we want to retrieve the | |||
11648 | // reference to 'r'. | |||
11649 | // | |||
11650 | // If we have: | |||
11651 | // | |||
11652 | // struct SS { | |||
11653 | // Bla S; | |||
11654 | // foo() { | |||
11655 | // #pragma omp target map (S.Arr[:12]); | |||
11656 | // } | |||
11657 | // } | |||
11658 | // | |||
11659 | // We want to retrieve the member expression 'this->S'; | |||
11660 | ||||
11661 | Expr *RelevantExpr = nullptr; | |||
11662 | ||||
11663 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.2] | |||
11664 | // If a list item is an array section, it must specify contiguous storage. | |||
11665 | // | |||
11666 | // For this restriction it is sufficient that we make sure only references | |||
11667 | // to variables or fields and array expressions, and that no array sections | |||
11668 | // exist except in the rightmost expression (unless they cover the whole | |||
11669 | // dimension of the array). E.g. these would be invalid: | |||
11670 | // | |||
11671 | // r.ArrS[3:5].Arr[6:7] | |||
11672 | // | |||
11673 | // r.ArrS[3:5].x | |||
11674 | // | |||
11675 | // but these would be valid: | |||
11676 | // r.ArrS[3].Arr[6:7] | |||
11677 | // | |||
11678 | // r.ArrS[3].x | |||
11679 | ||||
11680 | bool AllowUnitySizeArraySection = true; | |||
11681 | bool AllowWholeSizeArraySection = true; | |||
11682 | ||||
11683 | while (!RelevantExpr) { | |||
11684 | E = E->IgnoreParenImpCasts(); | |||
11685 | ||||
11686 | if (auto *CurE = dyn_cast<DeclRefExpr>(E)) { | |||
11687 | if (!isa<VarDecl>(CurE->getDecl())) | |||
11688 | return nullptr; | |||
11689 | ||||
11690 | RelevantExpr = CurE; | |||
11691 | ||||
11692 | // If we got a reference to a declaration, we should not expect any array | |||
11693 | // section before that. | |||
11694 | AllowUnitySizeArraySection = false; | |||
11695 | AllowWholeSizeArraySection = false; | |||
11696 | ||||
11697 | // Record the component. | |||
11698 | CurComponents.emplace_back(CurE, CurE->getDecl()); | |||
11699 | } else if (auto *CurE = dyn_cast<MemberExpr>(E)) { | |||
11700 | auto *BaseE = CurE->getBase()->IgnoreParenImpCasts(); | |||
11701 | ||||
11702 | if (isa<CXXThisExpr>(BaseE)) | |||
11703 | // We found a base expression: this->Val. | |||
11704 | RelevantExpr = CurE; | |||
11705 | else | |||
11706 | E = BaseE; | |||
11707 | ||||
11708 | if (!isa<FieldDecl>(CurE->getMemberDecl())) { | |||
11709 | if (!NoDiagnose) { | |||
11710 | SemaRef.Diag(ELoc, diag::err_omp_expected_access_to_data_field) | |||
11711 | << CurE->getSourceRange(); | |||
11712 | return nullptr; | |||
11713 | } | |||
11714 | if (RelevantExpr) | |||
11715 | return nullptr; | |||
11716 | continue; | |||
11717 | } | |||
11718 | ||||
11719 | auto *FD = cast<FieldDecl>(CurE->getMemberDecl()); | |||
11720 | ||||
11721 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C/C++, p.3] | |||
11722 | // A bit-field cannot appear in a map clause. | |||
11723 | // | |||
11724 | if (FD->isBitField()) { | |||
11725 | if (!NoDiagnose) { | |||
11726 | SemaRef.Diag(ELoc, diag::err_omp_bit_fields_forbidden_in_clause) | |||
11727 | << CurE->getSourceRange() << getOpenMPClauseName(CKind); | |||
11728 | return nullptr; | |||
11729 | } | |||
11730 | if (RelevantExpr) | |||
11731 | return nullptr; | |||
11732 | continue; | |||
11733 | } | |||
11734 | ||||
11735 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C++, p.1] | |||
11736 | // If the type of a list item is a reference to a type T then the type | |||
11737 | // will be considered to be T for all purposes of this clause. | |||
11738 | QualType CurType = BaseE->getType().getNonReferenceType(); | |||
11739 | ||||
11740 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C/C++, p.2] | |||
11741 | // A list item cannot be a variable that is a member of a structure with | |||
11742 | // a union type. | |||
11743 | // | |||
11744 | if (auto *RT = CurType->getAs<RecordType>()) { | |||
11745 | if (RT->isUnionType()) { | |||
11746 | if (!NoDiagnose) { | |||
11747 | SemaRef.Diag(ELoc, diag::err_omp_union_type_not_allowed) | |||
11748 | << CurE->getSourceRange(); | |||
11749 | return nullptr; | |||
11750 | } | |||
11751 | continue; | |||
11752 | } | |||
11753 | } | |||
11754 | ||||
11755 | // If we got a member expression, we should not expect any array section | |||
11756 | // before that: | |||
11757 | // | |||
11758 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.7] | |||
11759 | // If a list item is an element of a structure, only the rightmost symbol | |||
11760 | // of the variable reference can be an array section. | |||
11761 | // | |||
11762 | AllowUnitySizeArraySection = false; | |||
11763 | AllowWholeSizeArraySection = false; | |||
11764 | ||||
11765 | // Record the component. | |||
11766 | CurComponents.emplace_back(CurE, FD); | |||
11767 | } else if (auto *CurE = dyn_cast<ArraySubscriptExpr>(E)) { | |||
11768 | E = CurE->getBase()->IgnoreParenImpCasts(); | |||
11769 | ||||
11770 | if (!E->getType()->isAnyPointerType() && !E->getType()->isArrayType()) { | |||
11771 | if (!NoDiagnose) { | |||
11772 | SemaRef.Diag(ELoc, diag::err_omp_expected_base_var_name) | |||
11773 | << 0 << CurE->getSourceRange(); | |||
11774 | return nullptr; | |||
11775 | } | |||
11776 | continue; | |||
11777 | } | |||
11778 | ||||
11779 | // If we got an array subscript that express the whole dimension we | |||
11780 | // can have any array expressions before. If it only expressing part of | |||
11781 | // the dimension, we can only have unitary-size array expressions. | |||
11782 | if (CheckArrayExpressionDoesNotReferToWholeSize(SemaRef, CurE, | |||
11783 | E->getType())) | |||
11784 | AllowWholeSizeArraySection = false; | |||
11785 | ||||
11786 | // Record the component - we don't have any declaration associated. | |||
11787 | CurComponents.emplace_back(CurE, nullptr); | |||
11788 | } else if (auto *CurE = dyn_cast<OMPArraySectionExpr>(E)) { | |||
11789 | assert(!NoDiagnose && "Array sections cannot be implicitly mapped.")(static_cast <bool> (!NoDiagnose && "Array sections cannot be implicitly mapped." ) ? void (0) : __assert_fail ("!NoDiagnose && \"Array sections cannot be implicitly mapped.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 11789, __extension__ __PRETTY_FUNCTION__)); | |||
11790 | E = CurE->getBase()->IgnoreParenImpCasts(); | |||
11791 | ||||
11792 | QualType CurType = | |||
11793 | OMPArraySectionExpr::getBaseOriginalType(E).getCanonicalType(); | |||
11794 | ||||
11795 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C++, p.1] | |||
11796 | // If the type of a list item is a reference to a type T then the type | |||
11797 | // will be considered to be T for all purposes of this clause. | |||
11798 | if (CurType->isReferenceType()) | |||
11799 | CurType = CurType->getPointeeType(); | |||
11800 | ||||
11801 | bool IsPointer = CurType->isAnyPointerType(); | |||
11802 | ||||
11803 | if (!IsPointer && !CurType->isArrayType()) { | |||
11804 | SemaRef.Diag(ELoc, diag::err_omp_expected_base_var_name) | |||
11805 | << 0 << CurE->getSourceRange(); | |||
11806 | return nullptr; | |||
11807 | } | |||
11808 | ||||
11809 | bool NotWhole = | |||
11810 | CheckArrayExpressionDoesNotReferToWholeSize(SemaRef, CurE, CurType); | |||
11811 | bool NotUnity = | |||
11812 | CheckArrayExpressionDoesNotReferToUnitySize(SemaRef, CurE, CurType); | |||
11813 | ||||
11814 | if (AllowWholeSizeArraySection) { | |||
11815 | // Any array section is currently allowed. Allowing a whole size array | |||
11816 | // section implies allowing a unity array section as well. | |||
11817 | // | |||
11818 | // If this array section refers to the whole dimension we can still | |||
11819 | // accept other array sections before this one, except if the base is a | |||
11820 | // pointer. Otherwise, only unitary sections are accepted. | |||
11821 | if (NotWhole || IsPointer) | |||
11822 | AllowWholeSizeArraySection = false; | |||
11823 | } else if (AllowUnitySizeArraySection && NotUnity) { | |||
11824 | // A unity or whole array section is not allowed and that is not | |||
11825 | // compatible with the properties of the current array section. | |||
11826 | SemaRef.Diag( | |||
11827 | ELoc, diag::err_array_section_does_not_specify_contiguous_storage) | |||
11828 | << CurE->getSourceRange(); | |||
11829 | return nullptr; | |||
11830 | } | |||
11831 | ||||
11832 | // Record the component - we don't have any declaration associated. | |||
11833 | CurComponents.emplace_back(CurE, nullptr); | |||
11834 | } else { | |||
11835 | if (!NoDiagnose) { | |||
11836 | // If nothing else worked, this is not a valid map clause expression. | |||
11837 | SemaRef.Diag( | |||
11838 | ELoc, diag::err_omp_expected_named_var_member_or_array_expression) | |||
11839 | << ERange; | |||
11840 | } | |||
11841 | return nullptr; | |||
11842 | } | |||
11843 | } | |||
11844 | ||||
11845 | return RelevantExpr; | |||
11846 | } | |||
11847 | ||||
11848 | // Return true if expression E associated with value VD has conflicts with other | |||
11849 | // map information. | |||
11850 | static bool CheckMapConflicts( | |||
11851 | Sema &SemaRef, DSAStackTy *DSAS, ValueDecl *VD, Expr *E, | |||
11852 | bool CurrentRegionOnly, | |||
11853 | OMPClauseMappableExprCommon::MappableExprComponentListRef CurComponents, | |||
11854 | OpenMPClauseKind CKind) { | |||
11855 | assert(VD && E)(static_cast <bool> (VD && E) ? void (0) : __assert_fail ("VD && E", "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 11855, __extension__ __PRETTY_FUNCTION__)); | |||
11856 | SourceLocation ELoc = E->getExprLoc(); | |||
11857 | SourceRange ERange = E->getSourceRange(); | |||
11858 | ||||
11859 | // In order to easily check the conflicts we need to match each component of | |||
11860 | // the expression under test with the components of the expressions that are | |||
11861 | // already in the stack. | |||
11862 | ||||
11863 | assert(!CurComponents.empty() && "Map clause expression with no components!")(static_cast <bool> (!CurComponents.empty() && "Map clause expression with no components!" ) ? void (0) : __assert_fail ("!CurComponents.empty() && \"Map clause expression with no components!\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 11863, __extension__ __PRETTY_FUNCTION__)); | |||
11864 | assert(CurComponents.back().getAssociatedDeclaration() == VD &&(static_cast <bool> (CurComponents.back().getAssociatedDeclaration () == VD && "Map clause expression with unexpected base!" ) ? void (0) : __assert_fail ("CurComponents.back().getAssociatedDeclaration() == VD && \"Map clause expression with unexpected base!\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 11865, __extension__ __PRETTY_FUNCTION__)) | |||
11865 | "Map clause expression with unexpected base!")(static_cast <bool> (CurComponents.back().getAssociatedDeclaration () == VD && "Map clause expression with unexpected base!" ) ? void (0) : __assert_fail ("CurComponents.back().getAssociatedDeclaration() == VD && \"Map clause expression with unexpected base!\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 11865, __extension__ __PRETTY_FUNCTION__)); | |||
11866 | ||||
11867 | // Variables to help detecting enclosing problems in data environment nests. | |||
11868 | bool IsEnclosedByDataEnvironmentExpr = false; | |||
11869 | const Expr *EnclosingExpr = nullptr; | |||
11870 | ||||
11871 | bool FoundError = DSAS->checkMappableExprComponentListsForDecl( | |||
11872 | VD, CurrentRegionOnly, | |||
11873 | [&](OMPClauseMappableExprCommon::MappableExprComponentListRef | |||
11874 | StackComponents, | |||
11875 | OpenMPClauseKind) -> bool { | |||
11876 | ||||
11877 | assert(!StackComponents.empty() &&(static_cast <bool> (!StackComponents.empty() && "Map clause expression with no components!") ? void (0) : __assert_fail ("!StackComponents.empty() && \"Map clause expression with no components!\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 11878, __extension__ __PRETTY_FUNCTION__)) | |||
11878 | "Map clause expression with no components!")(static_cast <bool> (!StackComponents.empty() && "Map clause expression with no components!") ? void (0) : __assert_fail ("!StackComponents.empty() && \"Map clause expression with no components!\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 11878, __extension__ __PRETTY_FUNCTION__)); | |||
11879 | assert(StackComponents.back().getAssociatedDeclaration() == VD &&(static_cast <bool> (StackComponents.back().getAssociatedDeclaration () == VD && "Map clause expression with unexpected base!" ) ? void (0) : __assert_fail ("StackComponents.back().getAssociatedDeclaration() == VD && \"Map clause expression with unexpected base!\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 11880, __extension__ __PRETTY_FUNCTION__)) | |||
11880 | "Map clause expression with unexpected base!")(static_cast <bool> (StackComponents.back().getAssociatedDeclaration () == VD && "Map clause expression with unexpected base!" ) ? void (0) : __assert_fail ("StackComponents.back().getAssociatedDeclaration() == VD && \"Map clause expression with unexpected base!\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 11880, __extension__ __PRETTY_FUNCTION__)); | |||
11881 | ||||
11882 | // The whole expression in the stack. | |||
11883 | auto *RE = StackComponents.front().getAssociatedExpression(); | |||
11884 | ||||
11885 | // Expressions must start from the same base. Here we detect at which | |||
11886 | // point both expressions diverge from each other and see if we can | |||
11887 | // detect if the memory referred to both expressions is contiguous and | |||
11888 | // do not overlap. | |||
11889 | auto CI = CurComponents.rbegin(); | |||
11890 | auto CE = CurComponents.rend(); | |||
11891 | auto SI = StackComponents.rbegin(); | |||
11892 | auto SE = StackComponents.rend(); | |||
11893 | for (; CI != CE && SI != SE; ++CI, ++SI) { | |||
11894 | ||||
11895 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.3] | |||
11896 | // At most one list item can be an array item derived from a given | |||
11897 | // variable in map clauses of the same construct. | |||
11898 | if (CurrentRegionOnly && | |||
11899 | (isa<ArraySubscriptExpr>(CI->getAssociatedExpression()) || | |||
11900 | isa<OMPArraySectionExpr>(CI->getAssociatedExpression())) && | |||
11901 | (isa<ArraySubscriptExpr>(SI->getAssociatedExpression()) || | |||
11902 | isa<OMPArraySectionExpr>(SI->getAssociatedExpression()))) { | |||
11903 | SemaRef.Diag(CI->getAssociatedExpression()->getExprLoc(), | |||
11904 | diag::err_omp_multiple_array_items_in_map_clause) | |||
11905 | << CI->getAssociatedExpression()->getSourceRange(); | |||
11906 | SemaRef.Diag(SI->getAssociatedExpression()->getExprLoc(), | |||
11907 | diag::note_used_here) | |||
11908 | << SI->getAssociatedExpression()->getSourceRange(); | |||
11909 | return true; | |||
11910 | } | |||
11911 | ||||
11912 | // Do both expressions have the same kind? | |||
11913 | if (CI->getAssociatedExpression()->getStmtClass() != | |||
11914 | SI->getAssociatedExpression()->getStmtClass()) | |||
11915 | break; | |||
11916 | ||||
11917 | // Are we dealing with different variables/fields? | |||
11918 | if (CI->getAssociatedDeclaration() != SI->getAssociatedDeclaration()) | |||
11919 | break; | |||
11920 | } | |||
11921 | // Check if the extra components of the expressions in the enclosing | |||
11922 | // data environment are redundant for the current base declaration. | |||
11923 | // If they are, the maps completely overlap, which is legal. | |||
11924 | for (; SI != SE; ++SI) { | |||
11925 | QualType Type; | |||
11926 | if (auto *ASE = | |||
11927 | dyn_cast<ArraySubscriptExpr>(SI->getAssociatedExpression())) { | |||
11928 | Type = ASE->getBase()->IgnoreParenImpCasts()->getType(); | |||
11929 | } else if (auto *OASE = dyn_cast<OMPArraySectionExpr>( | |||
11930 | SI->getAssociatedExpression())) { | |||
11931 | auto *E = OASE->getBase()->IgnoreParenImpCasts(); | |||
11932 | Type = | |||
11933 | OMPArraySectionExpr::getBaseOriginalType(E).getCanonicalType(); | |||
11934 | } | |||
11935 | if (Type.isNull() || Type->isAnyPointerType() || | |||
11936 | CheckArrayExpressionDoesNotReferToWholeSize( | |||
11937 | SemaRef, SI->getAssociatedExpression(), Type)) | |||
11938 | break; | |||
11939 | } | |||
11940 | ||||
11941 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.4] | |||
11942 | // List items of map clauses in the same construct must not share | |||
11943 | // original storage. | |||
11944 | // | |||
11945 | // If the expressions are exactly the same or one is a subset of the | |||
11946 | // other, it means they are sharing storage. | |||
11947 | if (CI == CE && SI == SE) { | |||
11948 | if (CurrentRegionOnly) { | |||
11949 | if (CKind == OMPC_map) | |||
11950 | SemaRef.Diag(ELoc, diag::err_omp_map_shared_storage) << ERange; | |||
11951 | else { | |||
11952 | assert(CKind == OMPC_to || CKind == OMPC_from)(static_cast <bool> (CKind == OMPC_to || CKind == OMPC_from ) ? void (0) : __assert_fail ("CKind == OMPC_to || CKind == OMPC_from" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 11952, __extension__ __PRETTY_FUNCTION__)); | |||
11953 | SemaRef.Diag(ELoc, diag::err_omp_once_referenced_in_target_update) | |||
11954 | << ERange; | |||
11955 | } | |||
11956 | SemaRef.Diag(RE->getExprLoc(), diag::note_used_here) | |||
11957 | << RE->getSourceRange(); | |||
11958 | return true; | |||
11959 | } else { | |||
11960 | // If we find the same expression in the enclosing data environment, | |||
11961 | // that is legal. | |||
11962 | IsEnclosedByDataEnvironmentExpr = true; | |||
11963 | return false; | |||
11964 | } | |||
11965 | } | |||
11966 | ||||
11967 | QualType DerivedType = | |||
11968 | std::prev(CI)->getAssociatedDeclaration()->getType(); | |||
11969 | SourceLocation DerivedLoc = | |||
11970 | std::prev(CI)->getAssociatedExpression()->getExprLoc(); | |||
11971 | ||||
11972 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C++, p.1] | |||
11973 | // If the type of a list item is a reference to a type T then the type | |||
11974 | // will be considered to be T for all purposes of this clause. | |||
11975 | DerivedType = DerivedType.getNonReferenceType(); | |||
11976 | ||||
11977 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C/C++, p.1] | |||
11978 | // A variable for which the type is pointer and an array section | |||
11979 | // derived from that variable must not appear as list items of map | |||
11980 | // clauses of the same construct. | |||
11981 | // | |||
11982 | // Also, cover one of the cases in: | |||
11983 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.5] | |||
11984 | // If any part of the original storage of a list item has corresponding | |||
11985 | // storage in the device data environment, all of the original storage | |||
11986 | // must have corresponding storage in the device data environment. | |||
11987 | // | |||
11988 | if (DerivedType->isAnyPointerType()) { | |||
11989 | if (CI == CE || SI == SE) { | |||
11990 | SemaRef.Diag( | |||
11991 | DerivedLoc, | |||
11992 | diag::err_omp_pointer_mapped_along_with_derived_section) | |||
11993 | << DerivedLoc; | |||
11994 | SemaRef.Diag(RE->getExprLoc(), diag::note_used_here) | |||
11995 | << RE->getSourceRange(); | |||
11996 | return true; | |||
11997 | } else if (CI->getAssociatedExpression()->getStmtClass() != | |||
11998 | SI->getAssociatedExpression()->getStmtClass() || | |||
11999 | CI->getAssociatedDeclaration()->getCanonicalDecl() == | |||
12000 | SI->getAssociatedDeclaration()->getCanonicalDecl()) { | |||
12001 | assert(CI != CE && SI != SE)(static_cast <bool> (CI != CE && SI != SE) ? void (0) : __assert_fail ("CI != CE && SI != SE", "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 12001, __extension__ __PRETTY_FUNCTION__)); | |||
12002 | SemaRef.Diag(DerivedLoc, diag::err_omp_same_pointer_dereferenced) | |||
12003 | << DerivedLoc; | |||
12004 | SemaRef.Diag(RE->getExprLoc(), diag::note_used_here) | |||
12005 | << RE->getSourceRange(); | |||
12006 | return true; | |||
12007 | } | |||
12008 | } | |||
12009 | ||||
12010 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.4] | |||
12011 | // List items of map clauses in the same construct must not share | |||
12012 | // original storage. | |||
12013 | // | |||
12014 | // An expression is a subset of the other. | |||
12015 | if (CurrentRegionOnly && (CI == CE || SI == SE)) { | |||
12016 | if (CKind == OMPC_map) | |||
12017 | SemaRef.Diag(ELoc, diag::err_omp_map_shared_storage) << ERange; | |||
12018 | else { | |||
12019 | assert(CKind == OMPC_to || CKind == OMPC_from)(static_cast <bool> (CKind == OMPC_to || CKind == OMPC_from ) ? void (0) : __assert_fail ("CKind == OMPC_to || CKind == OMPC_from" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 12019, __extension__ __PRETTY_FUNCTION__)); | |||
12020 | SemaRef.Diag(ELoc, diag::err_omp_once_referenced_in_target_update) | |||
12021 | << ERange; | |||
12022 | } | |||
12023 | SemaRef.Diag(RE->getExprLoc(), diag::note_used_here) | |||
12024 | << RE->getSourceRange(); | |||
12025 | return true; | |||
12026 | } | |||
12027 | ||||
12028 | // The current expression uses the same base as other expression in the | |||
12029 | // data environment but does not contain it completely. | |||
12030 | if (!CurrentRegionOnly && SI != SE) | |||
12031 | EnclosingExpr = RE; | |||
12032 | ||||
12033 | // The current expression is a subset of the expression in the data | |||
12034 | // environment. | |||
12035 | IsEnclosedByDataEnvironmentExpr |= | |||
12036 | (!CurrentRegionOnly && CI != CE && SI == SE); | |||
12037 | ||||
12038 | return false; | |||
12039 | }); | |||
12040 | ||||
12041 | if (CurrentRegionOnly) | |||
12042 | return FoundError; | |||
12043 | ||||
12044 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.5] | |||
12045 | // If any part of the original storage of a list item has corresponding | |||
12046 | // storage in the device data environment, all of the original storage must | |||
12047 | // have corresponding storage in the device data environment. | |||
12048 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.6] | |||
12049 | // If a list item is an element of a structure, and a different element of | |||
12050 | // the structure has a corresponding list item in the device data environment | |||
12051 | // prior to a task encountering the construct associated with the map clause, | |||
12052 | // then the list item must also have a corresponding list item in the device | |||
12053 | // data environment prior to the task encountering the construct. | |||
12054 | // | |||
12055 | if (EnclosingExpr && !IsEnclosedByDataEnvironmentExpr) { | |||
12056 | SemaRef.Diag(ELoc, | |||
12057 | diag::err_omp_original_storage_is_shared_and_does_not_contain) | |||
12058 | << ERange; | |||
12059 | SemaRef.Diag(EnclosingExpr->getExprLoc(), diag::note_used_here) | |||
12060 | << EnclosingExpr->getSourceRange(); | |||
12061 | return true; | |||
12062 | } | |||
12063 | ||||
12064 | return FoundError; | |||
12065 | } | |||
12066 | ||||
12067 | namespace { | |||
12068 | // Utility struct that gathers all the related lists associated with a mappable | |||
12069 | // expression. | |||
12070 | struct MappableVarListInfo final { | |||
12071 | // The list of expressions. | |||
12072 | ArrayRef<Expr *> VarList; | |||
12073 | // The list of processed expressions. | |||
12074 | SmallVector<Expr *, 16> ProcessedVarList; | |||
12075 | // The mappble components for each expression. | |||
12076 | OMPClauseMappableExprCommon::MappableExprComponentLists VarComponents; | |||
12077 | // The base declaration of the variable. | |||
12078 | SmallVector<ValueDecl *, 16> VarBaseDeclarations; | |||
12079 | ||||
12080 | MappableVarListInfo(ArrayRef<Expr *> VarList) : VarList(VarList) { | |||
12081 | // We have a list of components and base declarations for each entry in the | |||
12082 | // variable list. | |||
12083 | VarComponents.reserve(VarList.size()); | |||
12084 | VarBaseDeclarations.reserve(VarList.size()); | |||
12085 | } | |||
12086 | }; | |||
12087 | } | |||
12088 | ||||
12089 | // Check the validity of the provided variable list for the provided clause kind | |||
12090 | // \a CKind. In the check process the valid expressions, and mappable expression | |||
12091 | // components and variables are extracted and used to fill \a Vars, | |||
12092 | // \a ClauseComponents, and \a ClauseBaseDeclarations. \a MapType and | |||
12093 | // \a IsMapTypeImplicit are expected to be valid if the clause kind is 'map'. | |||
12094 | static void | |||
12095 | checkMappableExpressionList(Sema &SemaRef, DSAStackTy *DSAS, | |||
12096 | OpenMPClauseKind CKind, MappableVarListInfo &MVLI, | |||
12097 | SourceLocation StartLoc, | |||
12098 | OpenMPMapClauseKind MapType = OMPC_MAP_unknown, | |||
12099 | bool IsMapTypeImplicit = false) { | |||
12100 | // We only expect mappable expressions in 'to', 'from', and 'map' clauses. | |||
12101 | assert((CKind == OMPC_map || CKind == OMPC_to || CKind == OMPC_from) &&(static_cast <bool> ((CKind == OMPC_map || CKind == OMPC_to || CKind == OMPC_from) && "Unexpected clause kind with mappable expressions!" ) ? void (0) : __assert_fail ("(CKind == OMPC_map || CKind == OMPC_to || CKind == OMPC_from) && \"Unexpected clause kind with mappable expressions!\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 12102, __extension__ __PRETTY_FUNCTION__)) | |||
12102 | "Unexpected clause kind with mappable expressions!")(static_cast <bool> ((CKind == OMPC_map || CKind == OMPC_to || CKind == OMPC_from) && "Unexpected clause kind with mappable expressions!" ) ? void (0) : __assert_fail ("(CKind == OMPC_map || CKind == OMPC_to || CKind == OMPC_from) && \"Unexpected clause kind with mappable expressions!\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 12102, __extension__ __PRETTY_FUNCTION__)); | |||
12103 | ||||
12104 | // Keep track of the mappable components and base declarations in this clause. | |||
12105 | // Each entry in the list is going to have a list of components associated. We | |||
12106 | // record each set of the components so that we can build the clause later on. | |||
12107 | // In the end we should have the same amount of declarations and component | |||
12108 | // lists. | |||
12109 | ||||
12110 | for (auto &RE : MVLI.VarList) { | |||
12111 | assert(RE && "Null expr in omp to/from/map clause")(static_cast <bool> (RE && "Null expr in omp to/from/map clause" ) ? void (0) : __assert_fail ("RE && \"Null expr in omp to/from/map clause\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 12111, __extension__ __PRETTY_FUNCTION__)); | |||
12112 | SourceLocation ELoc = RE->getExprLoc(); | |||
12113 | ||||
12114 | auto *VE = RE->IgnoreParenLValueCasts(); | |||
12115 | ||||
12116 | if (VE->isValueDependent() || VE->isTypeDependent() || | |||
12117 | VE->isInstantiationDependent() || | |||
12118 | VE->containsUnexpandedParameterPack()) { | |||
12119 | // We can only analyze this information once the missing information is | |||
12120 | // resolved. | |||
12121 | MVLI.ProcessedVarList.push_back(RE); | |||
12122 | continue; | |||
12123 | } | |||
12124 | ||||
12125 | auto *SimpleExpr = RE->IgnoreParenCasts(); | |||
12126 | ||||
12127 | if (!RE->IgnoreParenImpCasts()->isLValue()) { | |||
12128 | SemaRef.Diag(ELoc, | |||
12129 | diag::err_omp_expected_named_var_member_or_array_expression) | |||
12130 | << RE->getSourceRange(); | |||
12131 | continue; | |||
12132 | } | |||
12133 | ||||
12134 | OMPClauseMappableExprCommon::MappableExprComponentList CurComponents; | |||
12135 | ValueDecl *CurDeclaration = nullptr; | |||
12136 | ||||
12137 | // Obtain the array or member expression bases if required. Also, fill the | |||
12138 | // components array with all the components identified in the process. | |||
12139 | auto *BE = CheckMapClauseExpressionBase(SemaRef, SimpleExpr, CurComponents, | |||
12140 | CKind, /*NoDiagnose=*/false); | |||
12141 | if (!BE) | |||
12142 | continue; | |||
12143 | ||||
12144 | assert(!CurComponents.empty() &&(static_cast <bool> (!CurComponents.empty() && "Invalid mappable expression information." ) ? void (0) : __assert_fail ("!CurComponents.empty() && \"Invalid mappable expression information.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 12145, __extension__ __PRETTY_FUNCTION__)) | |||
12145 | "Invalid mappable expression information.")(static_cast <bool> (!CurComponents.empty() && "Invalid mappable expression information." ) ? void (0) : __assert_fail ("!CurComponents.empty() && \"Invalid mappable expression information.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 12145, __extension__ __PRETTY_FUNCTION__)); | |||
12146 | ||||
12147 | // For the following checks, we rely on the base declaration which is | |||
12148 | // expected to be associated with the last component. The declaration is | |||
12149 | // expected to be a variable or a field (if 'this' is being mapped). | |||
12150 | CurDeclaration = CurComponents.back().getAssociatedDeclaration(); | |||
12151 | assert(CurDeclaration && "Null decl on map clause.")(static_cast <bool> (CurDeclaration && "Null decl on map clause." ) ? void (0) : __assert_fail ("CurDeclaration && \"Null decl on map clause.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 12151, __extension__ __PRETTY_FUNCTION__)); | |||
12152 | assert((static_cast <bool> (CurDeclaration->isCanonicalDecl () && "Expecting components to have associated only canonical declarations." ) ? void (0) : __assert_fail ("CurDeclaration->isCanonicalDecl() && \"Expecting components to have associated only canonical declarations.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 12154, __extension__ __PRETTY_FUNCTION__)) | |||
12153 | CurDeclaration->isCanonicalDecl() &&(static_cast <bool> (CurDeclaration->isCanonicalDecl () && "Expecting components to have associated only canonical declarations." ) ? void (0) : __assert_fail ("CurDeclaration->isCanonicalDecl() && \"Expecting components to have associated only canonical declarations.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 12154, __extension__ __PRETTY_FUNCTION__)) | |||
12154 | "Expecting components to have associated only canonical declarations.")(static_cast <bool> (CurDeclaration->isCanonicalDecl () && "Expecting components to have associated only canonical declarations." ) ? void (0) : __assert_fail ("CurDeclaration->isCanonicalDecl() && \"Expecting components to have associated only canonical declarations.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 12154, __extension__ __PRETTY_FUNCTION__)); | |||
12155 | ||||
12156 | auto *VD = dyn_cast<VarDecl>(CurDeclaration); | |||
12157 | auto *FD = dyn_cast<FieldDecl>(CurDeclaration); | |||
12158 | ||||
12159 | assert((VD || FD) && "Only variables or fields are expected here!")(static_cast <bool> ((VD || FD) && "Only variables or fields are expected here!" ) ? void (0) : __assert_fail ("(VD || FD) && \"Only variables or fields are expected here!\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 12159, __extension__ __PRETTY_FUNCTION__)); | |||
12160 | (void)FD; | |||
12161 | ||||
12162 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.10] | |||
12163 | // threadprivate variables cannot appear in a map clause. | |||
12164 | // OpenMP 4.5 [2.10.5, target update Construct] | |||
12165 | // threadprivate variables cannot appear in a from clause. | |||
12166 | if (VD && DSAS->isThreadPrivate(VD)) { | |||
12167 | auto DVar = DSAS->getTopDSA(VD, false); | |||
12168 | SemaRef.Diag(ELoc, diag::err_omp_threadprivate_in_clause) | |||
12169 | << getOpenMPClauseName(CKind); | |||
12170 | ReportOriginalDSA(SemaRef, DSAS, VD, DVar); | |||
12171 | continue; | |||
12172 | } | |||
12173 | ||||
12174 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.9] | |||
12175 | // A list item cannot appear in both a map clause and a data-sharing | |||
12176 | // attribute clause on the same construct. | |||
12177 | ||||
12178 | // Check conflicts with other map clause expressions. We check the conflicts | |||
12179 | // with the current construct separately from the enclosing data | |||
12180 | // environment, because the restrictions are different. We only have to | |||
12181 | // check conflicts across regions for the map clauses. | |||
12182 | if (CheckMapConflicts(SemaRef, DSAS, CurDeclaration, SimpleExpr, | |||
12183 | /*CurrentRegionOnly=*/true, CurComponents, CKind)) | |||
12184 | break; | |||
12185 | if (CKind == OMPC_map && | |||
12186 | CheckMapConflicts(SemaRef, DSAS, CurDeclaration, SimpleExpr, | |||
12187 | /*CurrentRegionOnly=*/false, CurComponents, CKind)) | |||
12188 | break; | |||
12189 | ||||
12190 | // OpenMP 4.5 [2.10.5, target update Construct] | |||
12191 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C++, p.1] | |||
12192 | // If the type of a list item is a reference to a type T then the type will | |||
12193 | // be considered to be T for all purposes of this clause. | |||
12194 | QualType Type = CurDeclaration->getType().getNonReferenceType(); | |||
12195 | ||||
12196 | // OpenMP 4.5 [2.10.5, target update Construct, Restrictions, p.4] | |||
12197 | // A list item in a to or from clause must have a mappable type. | |||
12198 | // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, p.9] | |||
12199 | // A list item must have a mappable type. | |||
12200 | if (!CheckTypeMappable(VE->getExprLoc(), VE->getSourceRange(), SemaRef, | |||
12201 | DSAS, Type)) | |||
12202 | continue; | |||
12203 | ||||
12204 | if (CKind == OMPC_map) { | |||
12205 | // target enter data | |||
12206 | // OpenMP [2.10.2, Restrictions, p. 99] | |||
12207 | // A map-type must be specified in all map clauses and must be either | |||
12208 | // to or alloc. | |||
12209 | OpenMPDirectiveKind DKind = DSAS->getCurrentDirective(); | |||
12210 | if (DKind == OMPD_target_enter_data && | |||
12211 | !(MapType == OMPC_MAP_to || MapType == OMPC_MAP_alloc)) { | |||
12212 | SemaRef.Diag(StartLoc, diag::err_omp_invalid_map_type_for_directive) | |||
12213 | << (IsMapTypeImplicit ? 1 : 0) | |||
12214 | << getOpenMPSimpleClauseTypeName(OMPC_map, MapType) | |||
12215 | << getOpenMPDirectiveName(DKind); | |||
12216 | continue; | |||
12217 | } | |||
12218 | ||||
12219 | // target exit_data | |||
12220 | // OpenMP [2.10.3, Restrictions, p. 102] | |||
12221 | // A map-type must be specified in all map clauses and must be either | |||
12222 | // from, release, or delete. | |||
12223 | if (DKind == OMPD_target_exit_data && | |||
12224 | !(MapType == OMPC_MAP_from || MapType == OMPC_MAP_release || | |||
12225 | MapType == OMPC_MAP_delete)) { | |||
12226 | SemaRef.Diag(StartLoc, diag::err_omp_invalid_map_type_for_directive) | |||
12227 | << (IsMapTypeImplicit ? 1 : 0) | |||
12228 | << getOpenMPSimpleClauseTypeName(OMPC_map, MapType) | |||
12229 | << getOpenMPDirectiveName(DKind); | |||
12230 | continue; | |||
12231 | } | |||
12232 | ||||
12233 | // OpenMP 4.5 [2.15.5.1, Restrictions, p.3] | |||
12234 | // A list item cannot appear in both a map clause and a data-sharing | |||
12235 | // attribute clause on the same construct | |||
12236 | if ((DKind == OMPD_target || DKind == OMPD_target_teams || | |||
12237 | DKind == OMPD_target_teams_distribute || | |||
12238 | DKind == OMPD_target_teams_distribute_parallel_for || | |||
12239 | DKind == OMPD_target_teams_distribute_parallel_for_simd || | |||
12240 | DKind == OMPD_target_teams_distribute_simd) && VD) { | |||
12241 | auto DVar = DSAS->getTopDSA(VD, false); | |||
12242 | if (isOpenMPPrivate(DVar.CKind)) { | |||
12243 | SemaRef.Diag(ELoc, diag::err_omp_variable_in_given_clause_and_dsa) | |||
12244 | << getOpenMPClauseName(DVar.CKind) | |||
12245 | << getOpenMPClauseName(OMPC_map) | |||
12246 | << getOpenMPDirectiveName(DSAS->getCurrentDirective()); | |||
12247 | ReportOriginalDSA(SemaRef, DSAS, CurDeclaration, DVar); | |||
12248 | continue; | |||
12249 | } | |||
12250 | } | |||
12251 | } | |||
12252 | ||||
12253 | // Save the current expression. | |||
12254 | MVLI.ProcessedVarList.push_back(RE); | |||
12255 | ||||
12256 | // Store the components in the stack so that they can be used to check | |||
12257 | // against other clauses later on. | |||
12258 | DSAS->addMappableExpressionComponents(CurDeclaration, CurComponents, | |||
12259 | /*WhereFoundClauseKind=*/OMPC_map); | |||
12260 | ||||
12261 | // Save the components and declaration to create the clause. For purposes of | |||
12262 | // the clause creation, any component list that has has base 'this' uses | |||
12263 | // null as base declaration. | |||
12264 | MVLI.VarComponents.resize(MVLI.VarComponents.size() + 1); | |||
12265 | MVLI.VarComponents.back().append(CurComponents.begin(), | |||
12266 | CurComponents.end()); | |||
12267 | MVLI.VarBaseDeclarations.push_back(isa<MemberExpr>(BE) ? nullptr | |||
12268 | : CurDeclaration); | |||
12269 | } | |||
12270 | } | |||
12271 | ||||
12272 | OMPClause * | |||
12273 | Sema::ActOnOpenMPMapClause(OpenMPMapClauseKind MapTypeModifier, | |||
12274 | OpenMPMapClauseKind MapType, bool IsMapTypeImplicit, | |||
12275 | SourceLocation MapLoc, SourceLocation ColonLoc, | |||
12276 | ArrayRef<Expr *> VarList, SourceLocation StartLoc, | |||
12277 | SourceLocation LParenLoc, SourceLocation EndLoc) { | |||
12278 | MappableVarListInfo MVLI(VarList); | |||
12279 | checkMappableExpressionList(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_map, MVLI, StartLoc, | |||
12280 | MapType, IsMapTypeImplicit); | |||
12281 | ||||
12282 | // We need to produce a map clause even if we don't have variables so that | |||
12283 | // other diagnostics related with non-existing map clauses are accurate. | |||
12284 | return OMPMapClause::Create(Context, StartLoc, LParenLoc, EndLoc, | |||
12285 | MVLI.ProcessedVarList, MVLI.VarBaseDeclarations, | |||
12286 | MVLI.VarComponents, MapTypeModifier, MapType, | |||
12287 | IsMapTypeImplicit, MapLoc); | |||
12288 | } | |||
12289 | ||||
12290 | QualType Sema::ActOnOpenMPDeclareReductionType(SourceLocation TyLoc, | |||
12291 | TypeResult ParsedType) { | |||
12292 | assert(ParsedType.isUsable())(static_cast <bool> (ParsedType.isUsable()) ? void (0) : __assert_fail ("ParsedType.isUsable()", "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 12292, __extension__ __PRETTY_FUNCTION__)); | |||
12293 | ||||
12294 | QualType ReductionType = GetTypeFromParser(ParsedType.get()); | |||
12295 | if (ReductionType.isNull()) | |||
12296 | return QualType(); | |||
12297 | ||||
12298 | // [OpenMP 4.0], 2.15 declare reduction Directive, Restrictions, C\C++ | |||
12299 | // A type name in a declare reduction directive cannot be a function type, an | |||
12300 | // array type, a reference type, or a type qualified with const, volatile or | |||
12301 | // restrict. | |||
12302 | if (ReductionType.hasQualifiers()) { | |||
12303 | Diag(TyLoc, diag::err_omp_reduction_wrong_type) << 0; | |||
12304 | return QualType(); | |||
12305 | } | |||
12306 | ||||
12307 | if (ReductionType->isFunctionType()) { | |||
12308 | Diag(TyLoc, diag::err_omp_reduction_wrong_type) << 1; | |||
12309 | return QualType(); | |||
12310 | } | |||
12311 | if (ReductionType->isReferenceType()) { | |||
12312 | Diag(TyLoc, diag::err_omp_reduction_wrong_type) << 2; | |||
12313 | return QualType(); | |||
12314 | } | |||
12315 | if (ReductionType->isArrayType()) { | |||
12316 | Diag(TyLoc, diag::err_omp_reduction_wrong_type) << 3; | |||
12317 | return QualType(); | |||
12318 | } | |||
12319 | return ReductionType; | |||
12320 | } | |||
12321 | ||||
12322 | Sema::DeclGroupPtrTy Sema::ActOnOpenMPDeclareReductionDirectiveStart( | |||
12323 | Scope *S, DeclContext *DC, DeclarationName Name, | |||
12324 | ArrayRef<std::pair<QualType, SourceLocation>> ReductionTypes, | |||
12325 | AccessSpecifier AS, Decl *PrevDeclInScope) { | |||
12326 | SmallVector<Decl *, 8> Decls; | |||
12327 | Decls.reserve(ReductionTypes.size()); | |||
12328 | ||||
12329 | LookupResult Lookup(*this, Name, SourceLocation(), LookupOMPReductionName, | |||
12330 | forRedeclarationInCurContext()); | |||
12331 | // [OpenMP 4.0], 2.15 declare reduction Directive, Restrictions | |||
12332 | // A reduction-identifier may not be re-declared in the current scope for the | |||
12333 | // same type or for a type that is compatible according to the base language | |||
12334 | // rules. | |||
12335 | llvm::DenseMap<QualType, SourceLocation> PreviousRedeclTypes; | |||
12336 | OMPDeclareReductionDecl *PrevDRD = nullptr; | |||
12337 | bool InCompoundScope = true; | |||
12338 | if (S != nullptr) { | |||
12339 | // Find previous declaration with the same name not referenced in other | |||
12340 | // declarations. | |||
12341 | FunctionScopeInfo *ParentFn = getEnclosingFunction(); | |||
12342 | InCompoundScope = | |||
12343 | (ParentFn != nullptr) && !ParentFn->CompoundScopes.empty(); | |||
12344 | LookupName(Lookup, S); | |||
12345 | FilterLookupForScope(Lookup, DC, S, /*ConsiderLinkage=*/false, | |||
12346 | /*AllowInlineNamespace=*/false); | |||
12347 | llvm::DenseMap<OMPDeclareReductionDecl *, bool> UsedAsPrevious; | |||
12348 | auto Filter = Lookup.makeFilter(); | |||
12349 | while (Filter.hasNext()) { | |||
12350 | auto *PrevDecl = cast<OMPDeclareReductionDecl>(Filter.next()); | |||
12351 | if (InCompoundScope) { | |||
12352 | auto I = UsedAsPrevious.find(PrevDecl); | |||
12353 | if (I == UsedAsPrevious.end()) | |||
12354 | UsedAsPrevious[PrevDecl] = false; | |||
12355 | if (auto *D = PrevDecl->getPrevDeclInScope()) | |||
12356 | UsedAsPrevious[D] = true; | |||
12357 | } | |||
12358 | PreviousRedeclTypes[PrevDecl->getType().getCanonicalType()] = | |||
12359 | PrevDecl->getLocation(); | |||
12360 | } | |||
12361 | Filter.done(); | |||
12362 | if (InCompoundScope) { | |||
12363 | for (auto &PrevData : UsedAsPrevious) { | |||
12364 | if (!PrevData.second) { | |||
12365 | PrevDRD = PrevData.first; | |||
12366 | break; | |||
12367 | } | |||
12368 | } | |||
12369 | } | |||
12370 | } else if (PrevDeclInScope != nullptr) { | |||
12371 | auto *PrevDRDInScope = PrevDRD = | |||
12372 | cast<OMPDeclareReductionDecl>(PrevDeclInScope); | |||
12373 | do { | |||
12374 | PreviousRedeclTypes[PrevDRDInScope->getType().getCanonicalType()] = | |||
12375 | PrevDRDInScope->getLocation(); | |||
12376 | PrevDRDInScope = PrevDRDInScope->getPrevDeclInScope(); | |||
12377 | } while (PrevDRDInScope != nullptr); | |||
12378 | } | |||
12379 | for (auto &TyData : ReductionTypes) { | |||
12380 | auto I = PreviousRedeclTypes.find(TyData.first.getCanonicalType()); | |||
12381 | bool Invalid = false; | |||
12382 | if (I != PreviousRedeclTypes.end()) { | |||
12383 | Diag(TyData.second, diag::err_omp_declare_reduction_redefinition) | |||
12384 | << TyData.first; | |||
12385 | Diag(I->second, diag::note_previous_definition); | |||
12386 | Invalid = true; | |||
12387 | } | |||
12388 | PreviousRedeclTypes[TyData.first.getCanonicalType()] = TyData.second; | |||
12389 | auto *DRD = OMPDeclareReductionDecl::Create(Context, DC, TyData.second, | |||
12390 | Name, TyData.first, PrevDRD); | |||
12391 | DC->addDecl(DRD); | |||
12392 | DRD->setAccess(AS); | |||
12393 | Decls.push_back(DRD); | |||
12394 | if (Invalid) | |||
12395 | DRD->setInvalidDecl(); | |||
12396 | else | |||
12397 | PrevDRD = DRD; | |||
12398 | } | |||
12399 | ||||
12400 | return DeclGroupPtrTy::make( | |||
12401 | DeclGroupRef::Create(Context, Decls.begin(), Decls.size())); | |||
12402 | } | |||
12403 | ||||
12404 | void Sema::ActOnOpenMPDeclareReductionCombinerStart(Scope *S, Decl *D) { | |||
12405 | auto *DRD = cast<OMPDeclareReductionDecl>(D); | |||
12406 | ||||
12407 | // Enter new function scope. | |||
12408 | PushFunctionScope(); | |||
12409 | getCurFunction()->setHasBranchProtectedScope(); | |||
12410 | getCurFunction()->setHasOMPDeclareReductionCombiner(); | |||
12411 | ||||
12412 | if (S != nullptr) | |||
12413 | PushDeclContext(S, DRD); | |||
12414 | else | |||
12415 | CurContext = DRD; | |||
12416 | ||||
12417 | PushExpressionEvaluationContext( | |||
12418 | ExpressionEvaluationContext::PotentiallyEvaluated); | |||
12419 | ||||
12420 | QualType ReductionType = DRD->getType(); | |||
12421 | // Create 'T* omp_parm;T omp_in;'. All references to 'omp_in' will | |||
12422 | // be replaced by '*omp_parm' during codegen. This required because 'omp_in' | |||
12423 | // uses semantics of argument handles by value, but it should be passed by | |||
12424 | // reference. C lang does not support references, so pass all parameters as | |||
12425 | // pointers. | |||
12426 | // Create 'T omp_in;' variable. | |||
12427 | auto *OmpInParm = | |||
12428 | buildVarDecl(*this, D->getLocation(), ReductionType, "omp_in"); | |||
12429 | // Create 'T* omp_parm;T omp_out;'. All references to 'omp_out' will | |||
12430 | // be replaced by '*omp_parm' during codegen. This required because 'omp_out' | |||
12431 | // uses semantics of argument handles by value, but it should be passed by | |||
12432 | // reference. C lang does not support references, so pass all parameters as | |||
12433 | // pointers. | |||
12434 | // Create 'T omp_out;' variable. | |||
12435 | auto *OmpOutParm = | |||
12436 | buildVarDecl(*this, D->getLocation(), ReductionType, "omp_out"); | |||
12437 | if (S != nullptr) { | |||
12438 | PushOnScopeChains(OmpInParm, S); | |||
12439 | PushOnScopeChains(OmpOutParm, S); | |||
12440 | } else { | |||
12441 | DRD->addDecl(OmpInParm); | |||
12442 | DRD->addDecl(OmpOutParm); | |||
12443 | } | |||
12444 | } | |||
12445 | ||||
12446 | void Sema::ActOnOpenMPDeclareReductionCombinerEnd(Decl *D, Expr *Combiner) { | |||
12447 | auto *DRD = cast<OMPDeclareReductionDecl>(D); | |||
12448 | DiscardCleanupsInEvaluationContext(); | |||
12449 | PopExpressionEvaluationContext(); | |||
12450 | ||||
12451 | PopDeclContext(); | |||
12452 | PopFunctionScopeInfo(); | |||
12453 | ||||
12454 | if (Combiner != nullptr) | |||
12455 | DRD->setCombiner(Combiner); | |||
12456 | else | |||
12457 | DRD->setInvalidDecl(); | |||
12458 | } | |||
12459 | ||||
12460 | VarDecl *Sema::ActOnOpenMPDeclareReductionInitializerStart(Scope *S, Decl *D) { | |||
12461 | auto *DRD = cast<OMPDeclareReductionDecl>(D); | |||
12462 | ||||
12463 | // Enter new function scope. | |||
12464 | PushFunctionScope(); | |||
12465 | getCurFunction()->setHasBranchProtectedScope(); | |||
12466 | ||||
12467 | if (S != nullptr) | |||
12468 | PushDeclContext(S, DRD); | |||
12469 | else | |||
12470 | CurContext = DRD; | |||
12471 | ||||
12472 | PushExpressionEvaluationContext( | |||
12473 | ExpressionEvaluationContext::PotentiallyEvaluated); | |||
12474 | ||||
12475 | QualType ReductionType = DRD->getType(); | |||
12476 | // Create 'T* omp_parm;T omp_priv;'. All references to 'omp_priv' will | |||
12477 | // be replaced by '*omp_parm' during codegen. This required because 'omp_priv' | |||
12478 | // uses semantics of argument handles by value, but it should be passed by | |||
12479 | // reference. C lang does not support references, so pass all parameters as | |||
12480 | // pointers. | |||
12481 | // Create 'T omp_priv;' variable. | |||
12482 | auto *OmpPrivParm = | |||
12483 | buildVarDecl(*this, D->getLocation(), ReductionType, "omp_priv"); | |||
12484 | // Create 'T* omp_parm;T omp_orig;'. All references to 'omp_orig' will | |||
12485 | // be replaced by '*omp_parm' during codegen. This required because 'omp_orig' | |||
12486 | // uses semantics of argument handles by value, but it should be passed by | |||
12487 | // reference. C lang does not support references, so pass all parameters as | |||
12488 | // pointers. | |||
12489 | // Create 'T omp_orig;' variable. | |||
12490 | auto *OmpOrigParm = | |||
12491 | buildVarDecl(*this, D->getLocation(), ReductionType, "omp_orig"); | |||
12492 | if (S != nullptr) { | |||
12493 | PushOnScopeChains(OmpPrivParm, S); | |||
12494 | PushOnScopeChains(OmpOrigParm, S); | |||
12495 | } else { | |||
12496 | DRD->addDecl(OmpPrivParm); | |||
12497 | DRD->addDecl(OmpOrigParm); | |||
12498 | } | |||
12499 | return OmpPrivParm; | |||
12500 | } | |||
12501 | ||||
12502 | void Sema::ActOnOpenMPDeclareReductionInitializerEnd(Decl *D, Expr *Initializer, | |||
12503 | VarDecl *OmpPrivParm) { | |||
12504 | auto *DRD = cast<OMPDeclareReductionDecl>(D); | |||
12505 | DiscardCleanupsInEvaluationContext(); | |||
12506 | PopExpressionEvaluationContext(); | |||
12507 | ||||
12508 | PopDeclContext(); | |||
12509 | PopFunctionScopeInfo(); | |||
12510 | ||||
12511 | if (Initializer != nullptr) { | |||
12512 | DRD->setInitializer(Initializer, OMPDeclareReductionDecl::CallInit); | |||
12513 | } else if (OmpPrivParm->hasInit()) { | |||
12514 | DRD->setInitializer(OmpPrivParm->getInit(), | |||
12515 | OmpPrivParm->isDirectInit() | |||
12516 | ? OMPDeclareReductionDecl::DirectInit | |||
12517 | : OMPDeclareReductionDecl::CopyInit); | |||
12518 | } else { | |||
12519 | DRD->setInvalidDecl(); | |||
12520 | } | |||
12521 | } | |||
12522 | ||||
12523 | Sema::DeclGroupPtrTy Sema::ActOnOpenMPDeclareReductionDirectiveEnd( | |||
12524 | Scope *S, DeclGroupPtrTy DeclReductions, bool IsValid) { | |||
12525 | for (auto *D : DeclReductions.get()) { | |||
12526 | if (IsValid) { | |||
12527 | auto *DRD = cast<OMPDeclareReductionDecl>(D); | |||
12528 | if (S != nullptr) | |||
12529 | PushOnScopeChains(DRD, S, /*AddToContext=*/false); | |||
12530 | } else | |||
12531 | D->setInvalidDecl(); | |||
12532 | } | |||
12533 | return DeclReductions; | |||
12534 | } | |||
12535 | ||||
12536 | OMPClause *Sema::ActOnOpenMPNumTeamsClause(Expr *NumTeams, | |||
12537 | SourceLocation StartLoc, | |||
12538 | SourceLocation LParenLoc, | |||
12539 | SourceLocation EndLoc) { | |||
12540 | Expr *ValExpr = NumTeams; | |||
12541 | Stmt *HelperValStmt = nullptr; | |||
12542 | ||||
12543 | // OpenMP [teams Constrcut, Restrictions] | |||
12544 | // The num_teams expression must evaluate to a positive integer value. | |||
12545 | if (!IsNonNegativeIntegerValue(ValExpr, *this, OMPC_num_teams, | |||
12546 | /*StrictlyPositive=*/true)) | |||
12547 | return nullptr; | |||
12548 | ||||
12549 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | |||
12550 | OpenMPDirectiveKind CaptureRegion = | |||
12551 | getOpenMPCaptureRegionForClause(DKind, OMPC_num_teams); | |||
12552 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { | |||
12553 | ValExpr = MakeFullExpr(ValExpr).get(); | |||
12554 | llvm::MapVector<Expr *, DeclRefExpr *> Captures; | |||
12555 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | |||
12556 | HelperValStmt = buildPreInits(Context, Captures); | |||
12557 | } | |||
12558 | ||||
12559 | return new (Context) OMPNumTeamsClause(ValExpr, HelperValStmt, CaptureRegion, | |||
12560 | StartLoc, LParenLoc, EndLoc); | |||
12561 | } | |||
12562 | ||||
12563 | OMPClause *Sema::ActOnOpenMPThreadLimitClause(Expr *ThreadLimit, | |||
12564 | SourceLocation StartLoc, | |||
12565 | SourceLocation LParenLoc, | |||
12566 | SourceLocation EndLoc) { | |||
12567 | Expr *ValExpr = ThreadLimit; | |||
12568 | Stmt *HelperValStmt = nullptr; | |||
12569 | ||||
12570 | // OpenMP [teams Constrcut, Restrictions] | |||
12571 | // The thread_limit expression must evaluate to a positive integer value. | |||
12572 | if (!IsNonNegativeIntegerValue(ValExpr, *this, OMPC_thread_limit, | |||
12573 | /*StrictlyPositive=*/true)) | |||
12574 | return nullptr; | |||
12575 | ||||
12576 | OpenMPDirectiveKind DKind = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(); | |||
12577 | OpenMPDirectiveKind CaptureRegion = | |||
12578 | getOpenMPCaptureRegionForClause(DKind, OMPC_thread_limit); | |||
12579 | if (CaptureRegion != OMPD_unknown && !CurContext->isDependentContext()) { | |||
12580 | ValExpr = MakeFullExpr(ValExpr).get(); | |||
12581 | llvm::MapVector<Expr *, DeclRefExpr *> Captures; | |||
12582 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | |||
12583 | HelperValStmt = buildPreInits(Context, Captures); | |||
12584 | } | |||
12585 | ||||
12586 | return new (Context) OMPThreadLimitClause( | |||
12587 | ValExpr, HelperValStmt, CaptureRegion, StartLoc, LParenLoc, EndLoc); | |||
12588 | } | |||
12589 | ||||
12590 | OMPClause *Sema::ActOnOpenMPPriorityClause(Expr *Priority, | |||
12591 | SourceLocation StartLoc, | |||
12592 | SourceLocation LParenLoc, | |||
12593 | SourceLocation EndLoc) { | |||
12594 | Expr *ValExpr = Priority; | |||
12595 | ||||
12596 | // OpenMP [2.9.1, task Constrcut] | |||
12597 | // The priority-value is a non-negative numerical scalar expression. | |||
12598 | if (!IsNonNegativeIntegerValue(ValExpr, *this, OMPC_priority, | |||
12599 | /*StrictlyPositive=*/false)) | |||
12600 | return nullptr; | |||
12601 | ||||
12602 | return new (Context) OMPPriorityClause(ValExpr, StartLoc, LParenLoc, EndLoc); | |||
12603 | } | |||
12604 | ||||
12605 | OMPClause *Sema::ActOnOpenMPGrainsizeClause(Expr *Grainsize, | |||
12606 | SourceLocation StartLoc, | |||
12607 | SourceLocation LParenLoc, | |||
12608 | SourceLocation EndLoc) { | |||
12609 | Expr *ValExpr = Grainsize; | |||
12610 | ||||
12611 | // OpenMP [2.9.2, taskloop Constrcut] | |||
12612 | // The parameter of the grainsize clause must be a positive integer | |||
12613 | // expression. | |||
12614 | if (!IsNonNegativeIntegerValue(ValExpr, *this, OMPC_grainsize, | |||
12615 | /*StrictlyPositive=*/true)) | |||
12616 | return nullptr; | |||
12617 | ||||
12618 | return new (Context) OMPGrainsizeClause(ValExpr, StartLoc, LParenLoc, EndLoc); | |||
12619 | } | |||
12620 | ||||
12621 | OMPClause *Sema::ActOnOpenMPNumTasksClause(Expr *NumTasks, | |||
12622 | SourceLocation StartLoc, | |||
12623 | SourceLocation LParenLoc, | |||
12624 | SourceLocation EndLoc) { | |||
12625 | Expr *ValExpr = NumTasks; | |||
12626 | ||||
12627 | // OpenMP [2.9.2, taskloop Constrcut] | |||
12628 | // The parameter of the num_tasks clause must be a positive integer | |||
12629 | // expression. | |||
12630 | if (!IsNonNegativeIntegerValue(ValExpr, *this, OMPC_num_tasks, | |||
12631 | /*StrictlyPositive=*/true)) | |||
12632 | return nullptr; | |||
12633 | ||||
12634 | return new (Context) OMPNumTasksClause(ValExpr, StartLoc, LParenLoc, EndLoc); | |||
12635 | } | |||
12636 | ||||
12637 | OMPClause *Sema::ActOnOpenMPHintClause(Expr *Hint, SourceLocation StartLoc, | |||
12638 | SourceLocation LParenLoc, | |||
12639 | SourceLocation EndLoc) { | |||
12640 | // OpenMP [2.13.2, critical construct, Description] | |||
12641 | // ... where hint-expression is an integer constant expression that evaluates | |||
12642 | // to a valid lock hint. | |||
12643 | ExprResult HintExpr = VerifyPositiveIntegerConstantInClause(Hint, OMPC_hint); | |||
12644 | if (HintExpr.isInvalid()) | |||
12645 | return nullptr; | |||
12646 | return new (Context) | |||
12647 | OMPHintClause(HintExpr.get(), StartLoc, LParenLoc, EndLoc); | |||
12648 | } | |||
12649 | ||||
12650 | OMPClause *Sema::ActOnOpenMPDistScheduleClause( | |||
12651 | OpenMPDistScheduleClauseKind Kind, Expr *ChunkSize, SourceLocation StartLoc, | |||
12652 | SourceLocation LParenLoc, SourceLocation KindLoc, SourceLocation CommaLoc, | |||
12653 | SourceLocation EndLoc) { | |||
12654 | if (Kind == OMPC_DIST_SCHEDULE_unknown) { | |||
12655 | std::string Values; | |||
12656 | Values += "'"; | |||
12657 | Values += getOpenMPSimpleClauseTypeName(OMPC_dist_schedule, 0); | |||
12658 | Values += "'"; | |||
12659 | Diag(KindLoc, diag::err_omp_unexpected_clause_value) | |||
12660 | << Values << getOpenMPClauseName(OMPC_dist_schedule); | |||
12661 | return nullptr; | |||
12662 | } | |||
12663 | Expr *ValExpr = ChunkSize; | |||
12664 | Stmt *HelperValStmt = nullptr; | |||
12665 | if (ChunkSize) { | |||
12666 | if (!ChunkSize->isValueDependent() && !ChunkSize->isTypeDependent() && | |||
12667 | !ChunkSize->isInstantiationDependent() && | |||
12668 | !ChunkSize->containsUnexpandedParameterPack()) { | |||
12669 | SourceLocation ChunkSizeLoc = ChunkSize->getLocStart(); | |||
12670 | ExprResult Val = | |||
12671 | PerformOpenMPImplicitIntegerConversion(ChunkSizeLoc, ChunkSize); | |||
12672 | if (Val.isInvalid()) | |||
12673 | return nullptr; | |||
12674 | ||||
12675 | ValExpr = Val.get(); | |||
12676 | ||||
12677 | // OpenMP [2.7.1, Restrictions] | |||
12678 | // chunk_size must be a loop invariant integer expression with a positive | |||
12679 | // value. | |||
12680 | llvm::APSInt Result; | |||
12681 | if (ValExpr->isIntegerConstantExpr(Result, Context)) { | |||
12682 | if (Result.isSigned() && !Result.isStrictlyPositive()) { | |||
12683 | Diag(ChunkSizeLoc, diag::err_omp_negative_expression_in_clause) | |||
12684 | << "dist_schedule" << ChunkSize->getSourceRange(); | |||
12685 | return nullptr; | |||
12686 | } | |||
12687 | } else if (getOpenMPCaptureRegionForClause( | |||
12688 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective(), OMPC_dist_schedule) != | |||
12689 | OMPD_unknown && | |||
12690 | !CurContext->isDependentContext()) { | |||
12691 | ValExpr = MakeFullExpr(ValExpr).get(); | |||
12692 | llvm::MapVector<Expr *, DeclRefExpr *> Captures; | |||
12693 | ValExpr = tryBuildCapture(*this, ValExpr, Captures).get(); | |||
12694 | HelperValStmt = buildPreInits(Context, Captures); | |||
12695 | } | |||
12696 | } | |||
12697 | } | |||
12698 | ||||
12699 | return new (Context) | |||
12700 | OMPDistScheduleClause(StartLoc, LParenLoc, KindLoc, CommaLoc, EndLoc, | |||
12701 | Kind, ValExpr, HelperValStmt); | |||
12702 | } | |||
12703 | ||||
12704 | OMPClause *Sema::ActOnOpenMPDefaultmapClause( | |||
12705 | OpenMPDefaultmapClauseModifier M, OpenMPDefaultmapClauseKind Kind, | |||
12706 | SourceLocation StartLoc, SourceLocation LParenLoc, SourceLocation MLoc, | |||
12707 | SourceLocation KindLoc, SourceLocation EndLoc) { | |||
12708 | // OpenMP 4.5 only supports 'defaultmap(tofrom: scalar)' | |||
12709 | if (M != OMPC_DEFAULTMAP_MODIFIER_tofrom || Kind != OMPC_DEFAULTMAP_scalar) { | |||
12710 | std::string Value; | |||
12711 | SourceLocation Loc; | |||
12712 | Value += "'"; | |||
12713 | if (M != OMPC_DEFAULTMAP_MODIFIER_tofrom) { | |||
12714 | Value += getOpenMPSimpleClauseTypeName(OMPC_defaultmap, | |||
12715 | OMPC_DEFAULTMAP_MODIFIER_tofrom); | |||
12716 | Loc = MLoc; | |||
12717 | } else { | |||
12718 | Value += getOpenMPSimpleClauseTypeName(OMPC_defaultmap, | |||
12719 | OMPC_DEFAULTMAP_scalar); | |||
12720 | Loc = KindLoc; | |||
12721 | } | |||
12722 | Value += "'"; | |||
12723 | Diag(Loc, diag::err_omp_unexpected_clause_value) | |||
12724 | << Value << getOpenMPClauseName(OMPC_defaultmap); | |||
12725 | return nullptr; | |||
12726 | } | |||
12727 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->setDefaultDMAToFromScalar(StartLoc); | |||
12728 | ||||
12729 | return new (Context) | |||
12730 | OMPDefaultmapClause(StartLoc, LParenLoc, MLoc, KindLoc, EndLoc, Kind, M); | |||
12731 | } | |||
12732 | ||||
12733 | bool Sema::ActOnStartOpenMPDeclareTargetDirective(SourceLocation Loc) { | |||
12734 | DeclContext *CurLexicalContext = getCurLexicalContext(); | |||
12735 | if (!CurLexicalContext->isFileContext() && | |||
12736 | !CurLexicalContext->isExternCContext() && | |||
12737 | !CurLexicalContext->isExternCXXContext() && | |||
12738 | !isa<CXXRecordDecl>(CurLexicalContext) && | |||
12739 | !isa<ClassTemplateDecl>(CurLexicalContext) && | |||
12740 | !isa<ClassTemplatePartialSpecializationDecl>(CurLexicalContext) && | |||
12741 | !isa<ClassTemplateSpecializationDecl>(CurLexicalContext)) { | |||
12742 | Diag(Loc, diag::err_omp_region_not_file_context); | |||
12743 | return false; | |||
12744 | } | |||
12745 | if (IsInOpenMPDeclareTargetContext) { | |||
12746 | Diag(Loc, diag::err_omp_enclosed_declare_target); | |||
12747 | return false; | |||
12748 | } | |||
12749 | ||||
12750 | IsInOpenMPDeclareTargetContext = true; | |||
12751 | return true; | |||
12752 | } | |||
12753 | ||||
12754 | void Sema::ActOnFinishOpenMPDeclareTargetDirective() { | |||
12755 | assert(IsInOpenMPDeclareTargetContext &&(static_cast <bool> (IsInOpenMPDeclareTargetContext && "Unexpected ActOnFinishOpenMPDeclareTargetDirective") ? void (0) : __assert_fail ("IsInOpenMPDeclareTargetContext && \"Unexpected ActOnFinishOpenMPDeclareTargetDirective\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 12756, __extension__ __PRETTY_FUNCTION__)) | |||
12756 | "Unexpected ActOnFinishOpenMPDeclareTargetDirective")(static_cast <bool> (IsInOpenMPDeclareTargetContext && "Unexpected ActOnFinishOpenMPDeclareTargetDirective") ? void (0) : __assert_fail ("IsInOpenMPDeclareTargetContext && \"Unexpected ActOnFinishOpenMPDeclareTargetDirective\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 12756, __extension__ __PRETTY_FUNCTION__)); | |||
12757 | ||||
12758 | IsInOpenMPDeclareTargetContext = false; | |||
12759 | } | |||
12760 | ||||
12761 | void Sema::ActOnOpenMPDeclareTargetName(Scope *CurScope, | |||
12762 | CXXScopeSpec &ScopeSpec, | |||
12763 | const DeclarationNameInfo &Id, | |||
12764 | OMPDeclareTargetDeclAttr::MapTypeTy MT, | |||
12765 | NamedDeclSetType &SameDirectiveDecls) { | |||
12766 | LookupResult Lookup(*this, Id, LookupOrdinaryName); | |||
12767 | LookupParsedName(Lookup, CurScope, &ScopeSpec, true); | |||
12768 | ||||
12769 | if (Lookup.isAmbiguous()) | |||
12770 | return; | |||
12771 | Lookup.suppressDiagnostics(); | |||
12772 | ||||
12773 | if (!Lookup.isSingleResult()) { | |||
12774 | if (TypoCorrection Corrected = | |||
12775 | CorrectTypo(Id, LookupOrdinaryName, CurScope, nullptr, | |||
12776 | llvm::make_unique<VarOrFuncDeclFilterCCC>(*this), | |||
12777 | CTK_ErrorRecovery)) { | |||
12778 | diagnoseTypo(Corrected, PDiag(diag::err_undeclared_var_use_suggest) | |||
12779 | << Id.getName()); | |||
12780 | checkDeclIsAllowedInOpenMPTarget(nullptr, Corrected.getCorrectionDecl()); | |||
12781 | return; | |||
12782 | } | |||
12783 | ||||
12784 | Diag(Id.getLoc(), diag::err_undeclared_var_use) << Id.getName(); | |||
12785 | return; | |||
12786 | } | |||
12787 | ||||
12788 | NamedDecl *ND = Lookup.getAsSingle<NamedDecl>(); | |||
12789 | if (isa<VarDecl>(ND) || isa<FunctionDecl>(ND)) { | |||
12790 | if (!SameDirectiveDecls.insert(cast<NamedDecl>(ND->getCanonicalDecl()))) | |||
12791 | Diag(Id.getLoc(), diag::err_omp_declare_target_multiple) << Id.getName(); | |||
12792 | ||||
12793 | if (!ND->hasAttr<OMPDeclareTargetDeclAttr>()) { | |||
12794 | Attr *A = OMPDeclareTargetDeclAttr::CreateImplicit(Context, MT); | |||
12795 | ND->addAttr(A); | |||
12796 | if (ASTMutationListener *ML = Context.getASTMutationListener()) | |||
12797 | ML->DeclarationMarkedOpenMPDeclareTarget(ND, A); | |||
12798 | checkDeclIsAllowedInOpenMPTarget(nullptr, ND, Id.getLoc()); | |||
12799 | } else if (ND->getAttr<OMPDeclareTargetDeclAttr>()->getMapType() != MT) { | |||
12800 | Diag(Id.getLoc(), diag::err_omp_declare_target_to_and_link) | |||
12801 | << Id.getName(); | |||
12802 | } | |||
12803 | } else | |||
12804 | Diag(Id.getLoc(), diag::err_omp_invalid_target_decl) << Id.getName(); | |||
12805 | } | |||
12806 | ||||
12807 | static void checkDeclInTargetContext(SourceLocation SL, SourceRange SR, | |||
12808 | Sema &SemaRef, Decl *D) { | |||
12809 | if (!D) | |||
12810 | return; | |||
12811 | const Decl *LD = nullptr; | |||
12812 | if (isa<TagDecl>(D)) { | |||
12813 | LD = cast<TagDecl>(D)->getDefinition(); | |||
12814 | } else if (isa<VarDecl>(D)) { | |||
12815 | LD = cast<VarDecl>(D)->getDefinition(); | |||
12816 | ||||
12817 | // If this is an implicit variable that is legal and we do not need to do | |||
12818 | // anything. | |||
12819 | if (cast<VarDecl>(D)->isImplicit()) { | |||
12820 | Attr *A = OMPDeclareTargetDeclAttr::CreateImplicit( | |||
12821 | SemaRef.Context, OMPDeclareTargetDeclAttr::MT_To); | |||
12822 | D->addAttr(A); | |||
12823 | if (ASTMutationListener *ML = SemaRef.Context.getASTMutationListener()) | |||
12824 | ML->DeclarationMarkedOpenMPDeclareTarget(D, A); | |||
12825 | return; | |||
12826 | } | |||
12827 | } else if (auto *F = dyn_cast<FunctionDecl>(D)) { | |||
12828 | const FunctionDecl *FD = nullptr; | |||
12829 | if (cast<FunctionDecl>(D)->hasBody(FD)) { | |||
12830 | LD = FD; | |||
12831 | // If the definition is associated with the current declaration in the | |||
12832 | // target region (it can be e.g. a lambda) that is legal and we do not | |||
12833 | // need to do anything else. | |||
12834 | if (LD == D) { | |||
12835 | Attr *A = OMPDeclareTargetDeclAttr::CreateImplicit( | |||
12836 | SemaRef.Context, OMPDeclareTargetDeclAttr::MT_To); | |||
12837 | D->addAttr(A); | |||
12838 | if (ASTMutationListener *ML = SemaRef.Context.getASTMutationListener()) | |||
12839 | ML->DeclarationMarkedOpenMPDeclareTarget(D, A); | |||
12840 | return; | |||
12841 | } | |||
12842 | } else if (F->isFunctionTemplateSpecialization() && | |||
12843 | F->getTemplateSpecializationKind() == | |||
12844 | TSK_ImplicitInstantiation) { | |||
12845 | // Check if the function is implicitly instantiated from the template | |||
12846 | // defined in the declare target region. | |||
12847 | const FunctionTemplateDecl *FTD = F->getPrimaryTemplate(); | |||
12848 | if (FTD && FTD->hasAttr<OMPDeclareTargetDeclAttr>()) | |||
12849 | return; | |||
12850 | } | |||
12851 | } | |||
12852 | if (!LD) | |||
12853 | LD = D; | |||
12854 | if (LD && !LD->hasAttr<OMPDeclareTargetDeclAttr>() && | |||
12855 | (isa<VarDecl>(LD) || isa<FunctionDecl>(LD))) { | |||
12856 | // Outlined declaration is not declared target. | |||
12857 | if (LD->isOutOfLine()) { | |||
12858 | SemaRef.Diag(LD->getLocation(), diag::warn_omp_not_in_target_context); | |||
12859 | SemaRef.Diag(SL, diag::note_used_here) << SR; | |||
12860 | } else { | |||
12861 | const DeclContext *DC = LD->getDeclContext(); | |||
12862 | while (DC) { | |||
12863 | if (isa<FunctionDecl>(DC) && | |||
12864 | cast<FunctionDecl>(DC)->hasAttr<OMPDeclareTargetDeclAttr>()) | |||
12865 | break; | |||
12866 | DC = DC->getParent(); | |||
12867 | } | |||
12868 | if (DC) | |||
12869 | return; | |||
12870 | ||||
12871 | // Is not declared in target context. | |||
12872 | SemaRef.Diag(LD->getLocation(), diag::warn_omp_not_in_target_context); | |||
12873 | SemaRef.Diag(SL, diag::note_used_here) << SR; | |||
12874 | } | |||
12875 | // Mark decl as declared target to prevent further diagnostic. | |||
12876 | Attr *A = OMPDeclareTargetDeclAttr::CreateImplicit( | |||
12877 | SemaRef.Context, OMPDeclareTargetDeclAttr::MT_To); | |||
12878 | D->addAttr(A); | |||
12879 | if (ASTMutationListener *ML = SemaRef.Context.getASTMutationListener()) | |||
12880 | ML->DeclarationMarkedOpenMPDeclareTarget(D, A); | |||
12881 | } | |||
12882 | } | |||
12883 | ||||
12884 | static bool checkValueDeclInTarget(SourceLocation SL, SourceRange SR, | |||
12885 | Sema &SemaRef, DSAStackTy *Stack, | |||
12886 | ValueDecl *VD) { | |||
12887 | if (VD->hasAttr<OMPDeclareTargetDeclAttr>()) | |||
12888 | return true; | |||
12889 | if (!CheckTypeMappable(SL, SR, SemaRef, Stack, VD->getType(), | |||
12890 | /*FullCheck=*/false)) | |||
12891 | return false; | |||
12892 | return true; | |||
12893 | } | |||
12894 | ||||
12895 | void Sema::checkDeclIsAllowedInOpenMPTarget(Expr *E, Decl *D, | |||
12896 | SourceLocation IdLoc) { | |||
12897 | if (!D || D->isInvalidDecl()) | |||
12898 | return; | |||
12899 | SourceRange SR = E ? E->getSourceRange() : D->getSourceRange(); | |||
12900 | SourceLocation SL = E ? E->getLocStart() : D->getLocation(); | |||
12901 | // 2.10.6: threadprivate variable cannot appear in a declare target directive. | |||
12902 | if (VarDecl *VD = dyn_cast<VarDecl>(D)) { | |||
12903 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->isThreadPrivate(VD)) { | |||
12904 | Diag(SL, diag::err_omp_threadprivate_in_target); | |||
12905 | ReportOriginalDSA(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VD, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(VD, false)); | |||
12906 | return; | |||
12907 | } | |||
12908 | } | |||
12909 | if (ValueDecl *VD = dyn_cast<ValueDecl>(D)) { | |||
12910 | // Problem if any with var declared with incomplete type will be reported | |||
12911 | // as normal, so no need to check it here. | |||
12912 | if ((E || !VD->getType()->isIncompleteType()) && | |||
12913 | !checkValueDeclInTarget(SL, SR, *this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), VD)) { | |||
12914 | // Mark decl as declared target to prevent further diagnostic. | |||
12915 | if (isa<VarDecl>(VD) || isa<FunctionDecl>(VD) || | |||
12916 | isa<FunctionTemplateDecl>(VD)) { | |||
12917 | Attr *A = OMPDeclareTargetDeclAttr::CreateImplicit( | |||
12918 | Context, OMPDeclareTargetDeclAttr::MT_To); | |||
12919 | VD->addAttr(A); | |||
12920 | if (ASTMutationListener *ML = Context.getASTMutationListener()) | |||
12921 | ML->DeclarationMarkedOpenMPDeclareTarget(VD, A); | |||
12922 | } | |||
12923 | return; | |||
12924 | } | |||
12925 | } | |||
12926 | if (FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) { | |||
12927 | if (FD->hasAttr<OMPDeclareTargetDeclAttr>() && | |||
12928 | (FD->getAttr<OMPDeclareTargetDeclAttr>()->getMapType() == | |||
12929 | OMPDeclareTargetDeclAttr::MT_Link)) { | |||
12930 | assert(IdLoc.isValid() && "Source location is expected")(static_cast <bool> (IdLoc.isValid() && "Source location is expected" ) ? void (0) : __assert_fail ("IdLoc.isValid() && \"Source location is expected\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 12930, __extension__ __PRETTY_FUNCTION__)); | |||
12931 | Diag(IdLoc, diag::err_omp_function_in_link_clause); | |||
12932 | Diag(FD->getLocation(), diag::note_defined_here) << FD; | |||
12933 | return; | |||
12934 | } | |||
12935 | } | |||
12936 | if (auto *FTD = dyn_cast<FunctionTemplateDecl>(D)) { | |||
12937 | if (FTD->hasAttr<OMPDeclareTargetDeclAttr>() && | |||
12938 | (FTD->getAttr<OMPDeclareTargetDeclAttr>()->getMapType() == | |||
12939 | OMPDeclareTargetDeclAttr::MT_Link)) { | |||
12940 | assert(IdLoc.isValid() && "Source location is expected")(static_cast <bool> (IdLoc.isValid() && "Source location is expected" ) ? void (0) : __assert_fail ("IdLoc.isValid() && \"Source location is expected\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 12940, __extension__ __PRETTY_FUNCTION__)); | |||
12941 | Diag(IdLoc, diag::err_omp_function_in_link_clause); | |||
12942 | Diag(FTD->getLocation(), diag::note_defined_here) << FTD; | |||
12943 | return; | |||
12944 | } | |||
12945 | } | |||
12946 | if (!E) { | |||
12947 | // Checking declaration inside declare target region. | |||
12948 | if (!D->hasAttr<OMPDeclareTargetDeclAttr>() && | |||
12949 | (isa<VarDecl>(D) || isa<FunctionDecl>(D) || | |||
12950 | isa<FunctionTemplateDecl>(D))) { | |||
12951 | Attr *A = OMPDeclareTargetDeclAttr::CreateImplicit( | |||
12952 | Context, OMPDeclareTargetDeclAttr::MT_To); | |||
12953 | D->addAttr(A); | |||
12954 | if (ASTMutationListener *ML = Context.getASTMutationListener()) | |||
12955 | ML->DeclarationMarkedOpenMPDeclareTarget(D, A); | |||
12956 | } | |||
12957 | return; | |||
12958 | } | |||
12959 | checkDeclInTargetContext(E->getExprLoc(), E->getSourceRange(), *this, D); | |||
12960 | } | |||
12961 | ||||
12962 | OMPClause *Sema::ActOnOpenMPToClause(ArrayRef<Expr *> VarList, | |||
12963 | SourceLocation StartLoc, | |||
12964 | SourceLocation LParenLoc, | |||
12965 | SourceLocation EndLoc) { | |||
12966 | MappableVarListInfo MVLI(VarList); | |||
12967 | checkMappableExpressionList(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_to, MVLI, StartLoc); | |||
12968 | if (MVLI.ProcessedVarList.empty()) | |||
12969 | return nullptr; | |||
12970 | ||||
12971 | return OMPToClause::Create(Context, StartLoc, LParenLoc, EndLoc, | |||
12972 | MVLI.ProcessedVarList, MVLI.VarBaseDeclarations, | |||
12973 | MVLI.VarComponents); | |||
12974 | } | |||
12975 | ||||
12976 | OMPClause *Sema::ActOnOpenMPFromClause(ArrayRef<Expr *> VarList, | |||
12977 | SourceLocation StartLoc, | |||
12978 | SourceLocation LParenLoc, | |||
12979 | SourceLocation EndLoc) { | |||
12980 | MappableVarListInfo MVLI(VarList); | |||
12981 | checkMappableExpressionList(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), OMPC_from, MVLI, StartLoc); | |||
12982 | if (MVLI.ProcessedVarList.empty()) | |||
12983 | return nullptr; | |||
12984 | ||||
12985 | return OMPFromClause::Create(Context, StartLoc, LParenLoc, EndLoc, | |||
12986 | MVLI.ProcessedVarList, MVLI.VarBaseDeclarations, | |||
12987 | MVLI.VarComponents); | |||
12988 | } | |||
12989 | ||||
12990 | OMPClause *Sema::ActOnOpenMPUseDevicePtrClause(ArrayRef<Expr *> VarList, | |||
12991 | SourceLocation StartLoc, | |||
12992 | SourceLocation LParenLoc, | |||
12993 | SourceLocation EndLoc) { | |||
12994 | MappableVarListInfo MVLI(VarList); | |||
12995 | SmallVector<Expr *, 8> PrivateCopies; | |||
12996 | SmallVector<Expr *, 8> Inits; | |||
12997 | ||||
12998 | for (auto &RefExpr : VarList) { | |||
12999 | assert(RefExpr && "NULL expr in OpenMP use_device_ptr clause.")(static_cast <bool> (RefExpr && "NULL expr in OpenMP use_device_ptr clause." ) ? void (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP use_device_ptr clause.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 12999, __extension__ __PRETTY_FUNCTION__)); | |||
13000 | SourceLocation ELoc; | |||
13001 | SourceRange ERange; | |||
13002 | Expr *SimpleRefExpr = RefExpr; | |||
13003 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | |||
13004 | if (Res.second) { | |||
13005 | // It will be analyzed later. | |||
13006 | MVLI.ProcessedVarList.push_back(RefExpr); | |||
13007 | PrivateCopies.push_back(nullptr); | |||
13008 | Inits.push_back(nullptr); | |||
13009 | } | |||
13010 | ValueDecl *D = Res.first; | |||
13011 | if (!D) | |||
13012 | continue; | |||
13013 | ||||
13014 | QualType Type = D->getType(); | |||
13015 | Type = Type.getNonReferenceType().getUnqualifiedType(); | |||
13016 | ||||
13017 | auto *VD = dyn_cast<VarDecl>(D); | |||
13018 | ||||
13019 | // Item should be a pointer or reference to pointer. | |||
13020 | if (!Type->isPointerType()) { | |||
13021 | Diag(ELoc, diag::err_omp_usedeviceptr_not_a_pointer) | |||
13022 | << 0 << RefExpr->getSourceRange(); | |||
13023 | continue; | |||
13024 | } | |||
13025 | ||||
13026 | // Build the private variable and the expression that refers to it. | |||
13027 | auto VDPrivate = buildVarDecl(*this, ELoc, Type, D->getName(), | |||
13028 | D->hasAttrs() ? &D->getAttrs() : nullptr); | |||
13029 | if (VDPrivate->isInvalidDecl()) | |||
13030 | continue; | |||
13031 | ||||
13032 | CurContext->addDecl(VDPrivate); | |||
13033 | auto VDPrivateRefExpr = buildDeclRefExpr( | |||
13034 | *this, VDPrivate, RefExpr->getType().getUnqualifiedType(), ELoc); | |||
13035 | ||||
13036 | // Add temporary variable to initialize the private copy of the pointer. | |||
13037 | auto *VDInit = | |||
13038 | buildVarDecl(*this, RefExpr->getExprLoc(), Type, ".devptr.temp"); | |||
13039 | auto *VDInitRefExpr = buildDeclRefExpr(*this, VDInit, RefExpr->getType(), | |||
13040 | RefExpr->getExprLoc()); | |||
13041 | AddInitializerToDecl(VDPrivate, | |||
13042 | DefaultLvalueConversion(VDInitRefExpr).get(), | |||
13043 | /*DirectInit=*/false); | |||
13044 | ||||
13045 | // If required, build a capture to implement the privatization initialized | |||
13046 | // with the current list item value. | |||
13047 | DeclRefExpr *Ref = nullptr; | |||
13048 | if (!VD) | |||
13049 | Ref = buildCapture(*this, D, SimpleRefExpr, /*WithInit=*/true); | |||
13050 | MVLI.ProcessedVarList.push_back(VD ? RefExpr->IgnoreParens() : Ref); | |||
13051 | PrivateCopies.push_back(VDPrivateRefExpr); | |||
13052 | Inits.push_back(VDInitRefExpr); | |||
13053 | ||||
13054 | // We need to add a data sharing attribute for this variable to make sure it | |||
13055 | // is correctly captured. A variable that shows up in a use_device_ptr has | |||
13056 | // similar properties of a first private variable. | |||
13057 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addDSA(D, RefExpr->IgnoreParens(), OMPC_firstprivate, Ref); | |||
13058 | ||||
13059 | // Create a mappable component for the list item. List items in this clause | |||
13060 | // only need a component. | |||
13061 | MVLI.VarBaseDeclarations.push_back(D); | |||
13062 | MVLI.VarComponents.resize(MVLI.VarComponents.size() + 1); | |||
13063 | MVLI.VarComponents.back().push_back( | |||
13064 | OMPClauseMappableExprCommon::MappableComponent(SimpleRefExpr, D)); | |||
13065 | } | |||
13066 | ||||
13067 | if (MVLI.ProcessedVarList.empty()) | |||
13068 | return nullptr; | |||
13069 | ||||
13070 | return OMPUseDevicePtrClause::Create( | |||
13071 | Context, StartLoc, LParenLoc, EndLoc, MVLI.ProcessedVarList, | |||
13072 | PrivateCopies, Inits, MVLI.VarBaseDeclarations, MVLI.VarComponents); | |||
13073 | } | |||
13074 | ||||
13075 | OMPClause *Sema::ActOnOpenMPIsDevicePtrClause(ArrayRef<Expr *> VarList, | |||
13076 | SourceLocation StartLoc, | |||
13077 | SourceLocation LParenLoc, | |||
13078 | SourceLocation EndLoc) { | |||
13079 | MappableVarListInfo MVLI(VarList); | |||
13080 | for (auto &RefExpr : VarList) { | |||
13081 | assert(RefExpr && "NULL expr in OpenMP is_device_ptr clause.")(static_cast <bool> (RefExpr && "NULL expr in OpenMP is_device_ptr clause." ) ? void (0) : __assert_fail ("RefExpr && \"NULL expr in OpenMP is_device_ptr clause.\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 13081, __extension__ __PRETTY_FUNCTION__)); | |||
13082 | SourceLocation ELoc; | |||
13083 | SourceRange ERange; | |||
13084 | Expr *SimpleRefExpr = RefExpr; | |||
13085 | auto Res = getPrivateItem(*this, SimpleRefExpr, ELoc, ERange); | |||
13086 | if (Res.second) { | |||
13087 | // It will be analyzed later. | |||
13088 | MVLI.ProcessedVarList.push_back(RefExpr); | |||
13089 | } | |||
13090 | ValueDecl *D = Res.first; | |||
13091 | if (!D) | |||
13092 | continue; | |||
13093 | ||||
13094 | QualType Type = D->getType(); | |||
13095 | // item should be a pointer or array or reference to pointer or array | |||
13096 | if (!Type.getNonReferenceType()->isPointerType() && | |||
13097 | !Type.getNonReferenceType()->isArrayType()) { | |||
13098 | Diag(ELoc, diag::err_omp_argument_type_isdeviceptr) | |||
13099 | << 0 << RefExpr->getSourceRange(); | |||
13100 | continue; | |||
13101 | } | |||
13102 | ||||
13103 | // Check if the declaration in the clause does not show up in any data | |||
13104 | // sharing attribute. | |||
13105 | auto DVar = DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getTopDSA(D, false); | |||
13106 | if (isOpenMPPrivate(DVar.CKind)) { | |||
13107 | Diag(ELoc, diag::err_omp_variable_in_given_clause_and_dsa) | |||
13108 | << getOpenMPClauseName(DVar.CKind) | |||
13109 | << getOpenMPClauseName(OMPC_is_device_ptr) | |||
13110 | << getOpenMPDirectiveName(DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->getCurrentDirective()); | |||
13111 | ReportOriginalDSA(*this, DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack ), D, DVar); | |||
13112 | continue; | |||
13113 | } | |||
13114 | ||||
13115 | Expr *ConflictExpr; | |||
13116 | if (DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->checkMappableExprComponentListsForDecl( | |||
13117 | D, /*CurrentRegionOnly=*/true, | |||
13118 | [&ConflictExpr]( | |||
13119 | OMPClauseMappableExprCommon::MappableExprComponentListRef R, | |||
13120 | OpenMPClauseKind) -> bool { | |||
13121 | ConflictExpr = R.front().getAssociatedExpression(); | |||
13122 | return true; | |||
13123 | })) { | |||
13124 | Diag(ELoc, diag::err_omp_map_shared_storage) << RefExpr->getSourceRange(); | |||
13125 | Diag(ConflictExpr->getExprLoc(), diag::note_used_here) | |||
13126 | << ConflictExpr->getSourceRange(); | |||
13127 | continue; | |||
13128 | } | |||
13129 | ||||
13130 | // Store the components in the stack so that they can be used to check | |||
13131 | // against other clauses later on. | |||
13132 | OMPClauseMappableExprCommon::MappableComponent MC(SimpleRefExpr, D); | |||
13133 | DSAStackstatic_cast<DSAStackTy *>(VarDataSharingAttributesStack )->addMappableExpressionComponents( | |||
13134 | D, MC, /*WhereFoundClauseKind=*/OMPC_is_device_ptr); | |||
13135 | ||||
13136 | // Record the expression we've just processed. | |||
13137 | MVLI.ProcessedVarList.push_back(SimpleRefExpr); | |||
13138 | ||||
13139 | // Create a mappable component for the list item. List items in this clause | |||
13140 | // only need a component. We use a null declaration to signal fields in | |||
13141 | // 'this'. | |||
13142 | assert((isa<DeclRefExpr>(SimpleRefExpr) ||(static_cast <bool> ((isa<DeclRefExpr>(SimpleRefExpr ) || isa<CXXThisExpr>(cast<MemberExpr>(SimpleRefExpr )->getBase())) && "Unexpected device pointer expression!" ) ? void (0) : __assert_fail ("(isa<DeclRefExpr>(SimpleRefExpr) || isa<CXXThisExpr>(cast<MemberExpr>(SimpleRefExpr)->getBase())) && \"Unexpected device pointer expression!\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 13144, __extension__ __PRETTY_FUNCTION__)) | |||
13143 | isa<CXXThisExpr>(cast<MemberExpr>(SimpleRefExpr)->getBase())) &&(static_cast <bool> ((isa<DeclRefExpr>(SimpleRefExpr ) || isa<CXXThisExpr>(cast<MemberExpr>(SimpleRefExpr )->getBase())) && "Unexpected device pointer expression!" ) ? void (0) : __assert_fail ("(isa<DeclRefExpr>(SimpleRefExpr) || isa<CXXThisExpr>(cast<MemberExpr>(SimpleRefExpr)->getBase())) && \"Unexpected device pointer expression!\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 13144, __extension__ __PRETTY_FUNCTION__)) | |||
13144 | "Unexpected device pointer expression!")(static_cast <bool> ((isa<DeclRefExpr>(SimpleRefExpr ) || isa<CXXThisExpr>(cast<MemberExpr>(SimpleRefExpr )->getBase())) && "Unexpected device pointer expression!" ) ? void (0) : __assert_fail ("(isa<DeclRefExpr>(SimpleRefExpr) || isa<CXXThisExpr>(cast<MemberExpr>(SimpleRefExpr)->getBase())) && \"Unexpected device pointer expression!\"" , "/build/llvm-toolchain-snapshot-7~svn326551/tools/clang/lib/Sema/SemaOpenMP.cpp" , 13144, __extension__ __PRETTY_FUNCTION__)); | |||
13145 | MVLI.VarBaseDeclarations.push_back( | |||
13146 | isa<DeclRefExpr>(SimpleRefExpr) ? D : nullptr); | |||
13147 | MVLI.VarComponents.resize(MVLI.VarComponents.size() + 1); | |||
13148 | MVLI.VarComponents.back().push_back(MC); | |||
13149 | } | |||
13150 | ||||
13151 | if (MVLI.ProcessedVarList.empty()) | |||
13152 | return nullptr; | |||
13153 | ||||
13154 | return OMPIsDevicePtrClause::Create( | |||
13155 | Context, StartLoc, LParenLoc, EndLoc, MVLI.ProcessedVarList, | |||
13156 | MVLI.VarBaseDeclarations, MVLI.VarComponents); | |||
13157 | } |