1 //===---- StmtProfile.cpp - Profile implementation for Stmt ASTs ----------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file implements the Stmt::Profile method, which builds a unique bit
11 // representation that identifies a statement/expression.
13 //===----------------------------------------------------------------------===//
14 #include "clang/AST/ASTContext.h"
15 #include "clang/AST/DeclCXX.h"
16 #include "clang/AST/DeclObjC.h"
17 #include "clang/AST/DeclTemplate.h"
18 #include "clang/AST/Expr.h"
19 #include "clang/AST/ExprCXX.h"
20 #include "clang/AST/ExprObjC.h"
21 #include "clang/AST/StmtVisitor.h"
22 #include "llvm/ADT/FoldingSet.h"
23 using namespace clang;
26 class StmtProfiler : public ConstStmtVisitor<StmtProfiler> {
27 llvm::FoldingSetNodeID &ID;
28 const ASTContext &Context;
32 StmtProfiler(llvm::FoldingSetNodeID &ID, const ASTContext &Context,
34 : ID(ID), Context(Context), Canonical(Canonical) { }
36 void VisitStmt(const Stmt *S);
38 #define STMT(Node, Base) void Visit##Node(const Node *S);
39 #include "clang/AST/StmtNodes.inc"
41 /// \brief Visit a declaration that is referenced within an expression
43 void VisitDecl(const Decl *D);
45 /// \brief Visit a type that is referenced within an expression or
47 void VisitType(QualType T);
49 /// \brief Visit a name that occurs within an expression or statement.
50 void VisitName(DeclarationName Name);
52 /// \brief Visit a nested-name-specifier that occurs within an expression
54 void VisitNestedNameSpecifier(NestedNameSpecifier *NNS);
56 /// \brief Visit a template name that occurs within an expression or
58 void VisitTemplateName(TemplateName Name);
60 /// \brief Visit template arguments that occur within an expression or
62 void VisitTemplateArguments(const TemplateArgumentLoc *Args,
65 /// \brief Visit a single template argument.
66 void VisitTemplateArgument(const TemplateArgument &Arg);
70 void StmtProfiler::VisitStmt(const Stmt *S) {
71 ID.AddInteger(S->getStmtClass());
72 for (Stmt::const_child_range C = S->children(); C; ++C) {
80 void StmtProfiler::VisitDeclStmt(const DeclStmt *S) {
82 for (const auto *D : S->decls())
86 void StmtProfiler::VisitNullStmt(const NullStmt *S) {
90 void StmtProfiler::VisitCompoundStmt(const CompoundStmt *S) {
94 void StmtProfiler::VisitSwitchCase(const SwitchCase *S) {
98 void StmtProfiler::VisitCaseStmt(const CaseStmt *S) {
102 void StmtProfiler::VisitDefaultStmt(const DefaultStmt *S) {
106 void StmtProfiler::VisitLabelStmt(const LabelStmt *S) {
108 VisitDecl(S->getDecl());
111 void StmtProfiler::VisitAttributedStmt(const AttributedStmt *S) {
113 // TODO: maybe visit attributes?
116 void StmtProfiler::VisitIfStmt(const IfStmt *S) {
118 VisitDecl(S->getConditionVariable());
121 void StmtProfiler::VisitSwitchStmt(const SwitchStmt *S) {
123 VisitDecl(S->getConditionVariable());
126 void StmtProfiler::VisitWhileStmt(const WhileStmt *S) {
128 VisitDecl(S->getConditionVariable());
131 void StmtProfiler::VisitDoStmt(const DoStmt *S) {
135 void StmtProfiler::VisitForStmt(const ForStmt *S) {
139 void StmtProfiler::VisitGotoStmt(const GotoStmt *S) {
141 VisitDecl(S->getLabel());
144 void StmtProfiler::VisitIndirectGotoStmt(const IndirectGotoStmt *S) {
148 void StmtProfiler::VisitContinueStmt(const ContinueStmt *S) {
152 void StmtProfiler::VisitBreakStmt(const BreakStmt *S) {
156 void StmtProfiler::VisitReturnStmt(const ReturnStmt *S) {
160 void StmtProfiler::VisitGCCAsmStmt(const GCCAsmStmt *S) {
162 ID.AddBoolean(S->isVolatile());
163 ID.AddBoolean(S->isSimple());
164 VisitStringLiteral(S->getAsmString());
165 ID.AddInteger(S->getNumOutputs());
166 for (unsigned I = 0, N = S->getNumOutputs(); I != N; ++I) {
167 ID.AddString(S->getOutputName(I));
168 VisitStringLiteral(S->getOutputConstraintLiteral(I));
170 ID.AddInteger(S->getNumInputs());
171 for (unsigned I = 0, N = S->getNumInputs(); I != N; ++I) {
172 ID.AddString(S->getInputName(I));
173 VisitStringLiteral(S->getInputConstraintLiteral(I));
175 ID.AddInteger(S->getNumClobbers());
176 for (unsigned I = 0, N = S->getNumClobbers(); I != N; ++I)
177 VisitStringLiteral(S->getClobberStringLiteral(I));
180 void StmtProfiler::VisitMSAsmStmt(const MSAsmStmt *S) {
181 // FIXME: Implement MS style inline asm statement profiler.
185 void StmtProfiler::VisitCXXCatchStmt(const CXXCatchStmt *S) {
187 VisitType(S->getCaughtType());
190 void StmtProfiler::VisitCXXTryStmt(const CXXTryStmt *S) {
194 void StmtProfiler::VisitCXXForRangeStmt(const CXXForRangeStmt *S) {
198 void StmtProfiler::VisitMSDependentExistsStmt(const MSDependentExistsStmt *S) {
200 ID.AddBoolean(S->isIfExists());
201 VisitNestedNameSpecifier(S->getQualifierLoc().getNestedNameSpecifier());
202 VisitName(S->getNameInfo().getName());
205 void StmtProfiler::VisitSEHTryStmt(const SEHTryStmt *S) {
209 void StmtProfiler::VisitSEHFinallyStmt(const SEHFinallyStmt *S) {
213 void StmtProfiler::VisitSEHExceptStmt(const SEHExceptStmt *S) {
217 void StmtProfiler::VisitSEHLeaveStmt(const SEHLeaveStmt *S) {
221 void StmtProfiler::VisitCapturedStmt(const CapturedStmt *S) {
225 void StmtProfiler::VisitObjCForCollectionStmt(const ObjCForCollectionStmt *S) {
229 void StmtProfiler::VisitObjCAtCatchStmt(const ObjCAtCatchStmt *S) {
231 ID.AddBoolean(S->hasEllipsis());
232 if (S->getCatchParamDecl())
233 VisitType(S->getCatchParamDecl()->getType());
236 void StmtProfiler::VisitObjCAtFinallyStmt(const ObjCAtFinallyStmt *S) {
240 void StmtProfiler::VisitObjCAtTryStmt(const ObjCAtTryStmt *S) {
245 StmtProfiler::VisitObjCAtSynchronizedStmt(const ObjCAtSynchronizedStmt *S) {
249 void StmtProfiler::VisitObjCAtThrowStmt(const ObjCAtThrowStmt *S) {
254 StmtProfiler::VisitObjCAutoreleasePoolStmt(const ObjCAutoreleasePoolStmt *S) {
259 class OMPClauseProfiler : public ConstOMPClauseVisitor<OMPClauseProfiler> {
260 StmtProfiler *Profiler;
261 /// \brief Process clauses with list of variables.
262 template <typename T>
263 void VisitOMPClauseList(T *Node);
265 OMPClauseProfiler(StmtProfiler *P) : Profiler(P) { }
266 #define OPENMP_CLAUSE(Name, Class) \
267 void Visit##Class(const Class *C);
268 #include "clang/Basic/OpenMPKinds.def"
271 void OMPClauseProfiler::VisitOMPIfClause(const OMPIfClause *C) {
272 if (C->getCondition())
273 Profiler->VisitStmt(C->getCondition());
276 void OMPClauseProfiler::VisitOMPFinalClause(const OMPFinalClause *C) {
277 if (C->getCondition())
278 Profiler->VisitStmt(C->getCondition());
281 void OMPClauseProfiler::VisitOMPNumThreadsClause(const OMPNumThreadsClause *C) {
282 if (C->getNumThreads())
283 Profiler->VisitStmt(C->getNumThreads());
286 void OMPClauseProfiler::VisitOMPSafelenClause(const OMPSafelenClause *C) {
288 Profiler->VisitStmt(C->getSafelen());
291 void OMPClauseProfiler::VisitOMPCollapseClause(const OMPCollapseClause *C) {
292 if (C->getNumForLoops())
293 Profiler->VisitStmt(C->getNumForLoops());
296 void OMPClauseProfiler::VisitOMPDefaultClause(const OMPDefaultClause *C) { }
298 void OMPClauseProfiler::VisitOMPProcBindClause(const OMPProcBindClause *C) { }
300 void OMPClauseProfiler::VisitOMPScheduleClause(const OMPScheduleClause *C) {
301 if (C->getChunkSize())
302 Profiler->VisitStmt(C->getChunkSize());
305 void OMPClauseProfiler::VisitOMPOrderedClause(const OMPOrderedClause *) {}
307 void OMPClauseProfiler::VisitOMPNowaitClause(const OMPNowaitClause *) {}
309 void OMPClauseProfiler::VisitOMPUntiedClause(const OMPUntiedClause *) {}
311 void OMPClauseProfiler::VisitOMPMergeableClause(const OMPMergeableClause *) {}
314 void OMPClauseProfiler::VisitOMPClauseList(T *Node) {
315 for (auto *I : Node->varlists())
316 Profiler->VisitStmt(I);
319 void OMPClauseProfiler::VisitOMPPrivateClause(const OMPPrivateClause *C) {
320 VisitOMPClauseList(C);
322 void OMPClauseProfiler::VisitOMPFirstprivateClause(
323 const OMPFirstprivateClause *C) {
324 VisitOMPClauseList(C);
327 OMPClauseProfiler::VisitOMPLastprivateClause(const OMPLastprivateClause *C) {
328 VisitOMPClauseList(C);
330 void OMPClauseProfiler::VisitOMPSharedClause(const OMPSharedClause *C) {
331 VisitOMPClauseList(C);
333 void OMPClauseProfiler::VisitOMPReductionClause(
334 const OMPReductionClause *C) {
335 Profiler->VisitNestedNameSpecifier(
336 C->getQualifierLoc().getNestedNameSpecifier());
337 Profiler->VisitName(C->getNameInfo().getName());
338 VisitOMPClauseList(C);
340 void OMPClauseProfiler::VisitOMPLinearClause(const OMPLinearClause *C) {
341 VisitOMPClauseList(C);
342 Profiler->VisitStmt(C->getStep());
344 void OMPClauseProfiler::VisitOMPAlignedClause(const OMPAlignedClause *C) {
345 VisitOMPClauseList(C);
346 Profiler->VisitStmt(C->getAlignment());
348 void OMPClauseProfiler::VisitOMPCopyinClause(const OMPCopyinClause *C) {
349 VisitOMPClauseList(C);
352 OMPClauseProfiler::VisitOMPCopyprivateClause(const OMPCopyprivateClause *C) {
353 VisitOMPClauseList(C);
355 void OMPClauseProfiler::VisitOMPFlushClause(const OMPFlushClause *C) {
356 VisitOMPClauseList(C);
361 StmtProfiler::VisitOMPExecutableDirective(const OMPExecutableDirective *S) {
363 OMPClauseProfiler P(this);
364 ArrayRef<OMPClause *> Clauses = S->clauses();
365 for (ArrayRef<OMPClause *>::iterator I = Clauses.begin(), E = Clauses.end();
371 void StmtProfiler::VisitOMPParallelDirective(const OMPParallelDirective *S) {
372 VisitOMPExecutableDirective(S);
375 void StmtProfiler::VisitOMPSimdDirective(const OMPSimdDirective *S) {
376 VisitOMPExecutableDirective(S);
379 void StmtProfiler::VisitOMPForDirective(const OMPForDirective *S) {
380 VisitOMPExecutableDirective(S);
383 void StmtProfiler::VisitOMPSectionsDirective(const OMPSectionsDirective *S) {
384 VisitOMPExecutableDirective(S);
387 void StmtProfiler::VisitOMPSectionDirective(const OMPSectionDirective *S) {
388 VisitOMPExecutableDirective(S);
391 void StmtProfiler::VisitOMPSingleDirective(const OMPSingleDirective *S) {
392 VisitOMPExecutableDirective(S);
395 void StmtProfiler::VisitOMPMasterDirective(const OMPMasterDirective *S) {
396 VisitOMPExecutableDirective(S);
399 void StmtProfiler::VisitOMPCriticalDirective(const OMPCriticalDirective *S) {
400 VisitOMPExecutableDirective(S);
401 VisitName(S->getDirectiveName().getName());
405 StmtProfiler::VisitOMPParallelForDirective(const OMPParallelForDirective *S) {
406 VisitOMPExecutableDirective(S);
409 void StmtProfiler::VisitOMPParallelSectionsDirective(
410 const OMPParallelSectionsDirective *S) {
411 VisitOMPExecutableDirective(S);
414 void StmtProfiler::VisitOMPTaskDirective(const OMPTaskDirective *S) {
415 VisitOMPExecutableDirective(S);
418 void StmtProfiler::VisitOMPTaskyieldDirective(const OMPTaskyieldDirective *S) {
419 VisitOMPExecutableDirective(S);
422 void StmtProfiler::VisitOMPBarrierDirective(const OMPBarrierDirective *S) {
423 VisitOMPExecutableDirective(S);
426 void StmtProfiler::VisitOMPTaskwaitDirective(const OMPTaskwaitDirective *S) {
427 VisitOMPExecutableDirective(S);
430 void StmtProfiler::VisitOMPFlushDirective(const OMPFlushDirective *S) {
431 VisitOMPExecutableDirective(S);
434 void StmtProfiler::VisitExpr(const Expr *S) {
438 void StmtProfiler::VisitDeclRefExpr(const DeclRefExpr *S) {
441 VisitNestedNameSpecifier(S->getQualifier());
442 VisitDecl(S->getDecl());
444 VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs());
447 void StmtProfiler::VisitPredefinedExpr(const PredefinedExpr *S) {
449 ID.AddInteger(S->getIdentType());
452 void StmtProfiler::VisitIntegerLiteral(const IntegerLiteral *S) {
454 S->getValue().Profile(ID);
457 void StmtProfiler::VisitCharacterLiteral(const CharacterLiteral *S) {
459 ID.AddInteger(S->getKind());
460 ID.AddInteger(S->getValue());
463 void StmtProfiler::VisitFloatingLiteral(const FloatingLiteral *S) {
465 S->getValue().Profile(ID);
466 ID.AddBoolean(S->isExact());
469 void StmtProfiler::VisitImaginaryLiteral(const ImaginaryLiteral *S) {
473 void StmtProfiler::VisitStringLiteral(const StringLiteral *S) {
475 ID.AddString(S->getBytes());
476 ID.AddInteger(S->getKind());
479 void StmtProfiler::VisitParenExpr(const ParenExpr *S) {
483 void StmtProfiler::VisitParenListExpr(const ParenListExpr *S) {
487 void StmtProfiler::VisitUnaryOperator(const UnaryOperator *S) {
489 ID.AddInteger(S->getOpcode());
492 void StmtProfiler::VisitOffsetOfExpr(const OffsetOfExpr *S) {
493 VisitType(S->getTypeSourceInfo()->getType());
494 unsigned n = S->getNumComponents();
495 for (unsigned i = 0; i < n; ++i) {
496 const OffsetOfExpr::OffsetOfNode& ON = S->getComponent(i);
497 ID.AddInteger(ON.getKind());
498 switch (ON.getKind()) {
499 case OffsetOfExpr::OffsetOfNode::Array:
500 // Expressions handled below.
503 case OffsetOfExpr::OffsetOfNode::Field:
504 VisitDecl(ON.getField());
507 case OffsetOfExpr::OffsetOfNode::Identifier:
508 ID.AddPointer(ON.getFieldName());
511 case OffsetOfExpr::OffsetOfNode::Base:
512 // These nodes are implicit, and therefore don't need profiling.
521 StmtProfiler::VisitUnaryExprOrTypeTraitExpr(const UnaryExprOrTypeTraitExpr *S) {
523 ID.AddInteger(S->getKind());
524 if (S->isArgumentType())
525 VisitType(S->getArgumentType());
528 void StmtProfiler::VisitArraySubscriptExpr(const ArraySubscriptExpr *S) {
532 void StmtProfiler::VisitCallExpr(const CallExpr *S) {
536 void StmtProfiler::VisitMemberExpr(const MemberExpr *S) {
538 VisitDecl(S->getMemberDecl());
540 VisitNestedNameSpecifier(S->getQualifier());
541 ID.AddBoolean(S->isArrow());
544 void StmtProfiler::VisitCompoundLiteralExpr(const CompoundLiteralExpr *S) {
546 ID.AddBoolean(S->isFileScope());
549 void StmtProfiler::VisitCastExpr(const CastExpr *S) {
553 void StmtProfiler::VisitImplicitCastExpr(const ImplicitCastExpr *S) {
555 ID.AddInteger(S->getValueKind());
558 void StmtProfiler::VisitExplicitCastExpr(const ExplicitCastExpr *S) {
560 VisitType(S->getTypeAsWritten());
563 void StmtProfiler::VisitCStyleCastExpr(const CStyleCastExpr *S) {
564 VisitExplicitCastExpr(S);
567 void StmtProfiler::VisitBinaryOperator(const BinaryOperator *S) {
569 ID.AddInteger(S->getOpcode());
573 StmtProfiler::VisitCompoundAssignOperator(const CompoundAssignOperator *S) {
574 VisitBinaryOperator(S);
577 void StmtProfiler::VisitConditionalOperator(const ConditionalOperator *S) {
581 void StmtProfiler::VisitBinaryConditionalOperator(
582 const BinaryConditionalOperator *S) {
586 void StmtProfiler::VisitAddrLabelExpr(const AddrLabelExpr *S) {
588 VisitDecl(S->getLabel());
591 void StmtProfiler::VisitStmtExpr(const StmtExpr *S) {
595 void StmtProfiler::VisitShuffleVectorExpr(const ShuffleVectorExpr *S) {
599 void StmtProfiler::VisitConvertVectorExpr(const ConvertVectorExpr *S) {
603 void StmtProfiler::VisitChooseExpr(const ChooseExpr *S) {
607 void StmtProfiler::VisitGNUNullExpr(const GNUNullExpr *S) {
611 void StmtProfiler::VisitVAArgExpr(const VAArgExpr *S) {
615 void StmtProfiler::VisitInitListExpr(const InitListExpr *S) {
616 if (S->getSyntacticForm()) {
617 VisitInitListExpr(S->getSyntacticForm());
624 void StmtProfiler::VisitDesignatedInitExpr(const DesignatedInitExpr *S) {
626 ID.AddBoolean(S->usesGNUSyntax());
627 for (DesignatedInitExpr::const_designators_iterator D =
628 S->designators_begin(), DEnd = S->designators_end();
630 if (D->isFieldDesignator()) {
632 VisitName(D->getFieldName());
636 if (D->isArrayDesignator()) {
639 assert(D->isArrayRangeDesignator());
642 ID.AddInteger(D->getFirstExprIndex());
646 void StmtProfiler::VisitImplicitValueInitExpr(const ImplicitValueInitExpr *S) {
650 void StmtProfiler::VisitExtVectorElementExpr(const ExtVectorElementExpr *S) {
652 VisitName(&S->getAccessor());
655 void StmtProfiler::VisitBlockExpr(const BlockExpr *S) {
657 VisitDecl(S->getBlockDecl());
660 void StmtProfiler::VisitGenericSelectionExpr(const GenericSelectionExpr *S) {
662 for (unsigned i = 0; i != S->getNumAssocs(); ++i) {
663 QualType T = S->getAssocType(i);
665 ID.AddPointer(nullptr);
668 VisitExpr(S->getAssocExpr(i));
672 void StmtProfiler::VisitPseudoObjectExpr(const PseudoObjectExpr *S) {
674 for (PseudoObjectExpr::const_semantics_iterator
675 i = S->semantics_begin(), e = S->semantics_end(); i != e; ++i)
676 // Normally, we would not profile the source expressions of OVEs.
677 if (const OpaqueValueExpr *OVE = dyn_cast<OpaqueValueExpr>(*i))
678 Visit(OVE->getSourceExpr());
681 void StmtProfiler::VisitAtomicExpr(const AtomicExpr *S) {
683 ID.AddInteger(S->getOp());
686 static Stmt::StmtClass DecodeOperatorCall(const CXXOperatorCallExpr *S,
687 UnaryOperatorKind &UnaryOp,
688 BinaryOperatorKind &BinaryOp) {
689 switch (S->getOperator()) {
694 case OO_Array_Delete:
698 case NUM_OVERLOADED_OPERATORS:
699 llvm_unreachable("Invalid operator call kind");
702 if (S->getNumArgs() == 1) {
704 return Stmt::UnaryOperatorClass;
708 return Stmt::BinaryOperatorClass;
711 if (S->getNumArgs() == 1) {
713 return Stmt::UnaryOperatorClass;
717 return Stmt::BinaryOperatorClass;
720 if (S->getNumArgs() == 1) {
722 return Stmt::UnaryOperatorClass;
726 return Stmt::BinaryOperatorClass;
730 return Stmt::BinaryOperatorClass;
734 return Stmt::BinaryOperatorClass;
738 return Stmt::BinaryOperatorClass;
741 if (S->getNumArgs() == 1) {
743 return Stmt::UnaryOperatorClass;
747 return Stmt::BinaryOperatorClass;
751 return Stmt::BinaryOperatorClass;
755 return Stmt::UnaryOperatorClass;
759 return Stmt::UnaryOperatorClass;
762 BinaryOp = BO_Assign;
763 return Stmt::BinaryOperatorClass;
767 return Stmt::BinaryOperatorClass;
771 return Stmt::BinaryOperatorClass;
774 BinaryOp = BO_AddAssign;
775 return Stmt::CompoundAssignOperatorClass;
778 BinaryOp = BO_SubAssign;
779 return Stmt::CompoundAssignOperatorClass;
782 BinaryOp = BO_MulAssign;
783 return Stmt::CompoundAssignOperatorClass;
786 BinaryOp = BO_DivAssign;
787 return Stmt::CompoundAssignOperatorClass;
789 case OO_PercentEqual:
790 BinaryOp = BO_RemAssign;
791 return Stmt::CompoundAssignOperatorClass;
794 BinaryOp = BO_XorAssign;
795 return Stmt::CompoundAssignOperatorClass;
798 BinaryOp = BO_AndAssign;
799 return Stmt::CompoundAssignOperatorClass;
802 BinaryOp = BO_OrAssign;
803 return Stmt::CompoundAssignOperatorClass;
807 return Stmt::BinaryOperatorClass;
809 case OO_GreaterGreater:
811 return Stmt::BinaryOperatorClass;
813 case OO_LessLessEqual:
814 BinaryOp = BO_ShlAssign;
815 return Stmt::CompoundAssignOperatorClass;
817 case OO_GreaterGreaterEqual:
818 BinaryOp = BO_ShrAssign;
819 return Stmt::CompoundAssignOperatorClass;
823 return Stmt::BinaryOperatorClass;
825 case OO_ExclaimEqual:
827 return Stmt::BinaryOperatorClass;
831 return Stmt::BinaryOperatorClass;
833 case OO_GreaterEqual:
835 return Stmt::BinaryOperatorClass;
839 return Stmt::BinaryOperatorClass;
843 return Stmt::BinaryOperatorClass;
846 UnaryOp = S->getNumArgs() == 1? UO_PreInc
848 return Stmt::UnaryOperatorClass;
851 UnaryOp = S->getNumArgs() == 1? UO_PreDec
853 return Stmt::UnaryOperatorClass;
857 return Stmt::BinaryOperatorClass;
861 BinaryOp = BO_PtrMemI;
862 return Stmt::BinaryOperatorClass;
865 return Stmt::ArraySubscriptExprClass;
868 llvm_unreachable("Invalid overloaded operator expression");
872 void StmtProfiler::VisitCXXOperatorCallExpr(const CXXOperatorCallExpr *S) {
873 if (S->isTypeDependent()) {
874 // Type-dependent operator calls are profiled like their underlying
875 // syntactic operator.
876 UnaryOperatorKind UnaryOp = UO_Extension;
877 BinaryOperatorKind BinaryOp = BO_Comma;
878 Stmt::StmtClass SC = DecodeOperatorCall(S, UnaryOp, BinaryOp);
881 for (unsigned I = 0, N = S->getNumArgs(); I != N; ++I)
883 if (SC == Stmt::UnaryOperatorClass)
884 ID.AddInteger(UnaryOp);
885 else if (SC == Stmt::BinaryOperatorClass ||
886 SC == Stmt::CompoundAssignOperatorClass)
887 ID.AddInteger(BinaryOp);
889 assert(SC == Stmt::ArraySubscriptExprClass);
895 ID.AddInteger(S->getOperator());
898 void StmtProfiler::VisitCXXMemberCallExpr(const CXXMemberCallExpr *S) {
902 void StmtProfiler::VisitCUDAKernelCallExpr(const CUDAKernelCallExpr *S) {
906 void StmtProfiler::VisitAsTypeExpr(const AsTypeExpr *S) {
910 void StmtProfiler::VisitCXXNamedCastExpr(const CXXNamedCastExpr *S) {
911 VisitExplicitCastExpr(S);
914 void StmtProfiler::VisitCXXStaticCastExpr(const CXXStaticCastExpr *S) {
915 VisitCXXNamedCastExpr(S);
918 void StmtProfiler::VisitCXXDynamicCastExpr(const CXXDynamicCastExpr *S) {
919 VisitCXXNamedCastExpr(S);
923 StmtProfiler::VisitCXXReinterpretCastExpr(const CXXReinterpretCastExpr *S) {
924 VisitCXXNamedCastExpr(S);
927 void StmtProfiler::VisitCXXConstCastExpr(const CXXConstCastExpr *S) {
928 VisitCXXNamedCastExpr(S);
931 void StmtProfiler::VisitUserDefinedLiteral(const UserDefinedLiteral *S) {
935 void StmtProfiler::VisitCXXBoolLiteralExpr(const CXXBoolLiteralExpr *S) {
937 ID.AddBoolean(S->getValue());
940 void StmtProfiler::VisitCXXNullPtrLiteralExpr(const CXXNullPtrLiteralExpr *S) {
944 void StmtProfiler::VisitCXXStdInitializerListExpr(
945 const CXXStdInitializerListExpr *S) {
949 void StmtProfiler::VisitCXXTypeidExpr(const CXXTypeidExpr *S) {
951 if (S->isTypeOperand())
952 VisitType(S->getTypeOperandSourceInfo()->getType());
955 void StmtProfiler::VisitCXXUuidofExpr(const CXXUuidofExpr *S) {
957 if (S->isTypeOperand())
958 VisitType(S->getTypeOperandSourceInfo()->getType());
961 void StmtProfiler::VisitMSPropertyRefExpr(const MSPropertyRefExpr *S) {
963 VisitDecl(S->getPropertyDecl());
966 void StmtProfiler::VisitCXXThisExpr(const CXXThisExpr *S) {
968 ID.AddBoolean(S->isImplicit());
971 void StmtProfiler::VisitCXXThrowExpr(const CXXThrowExpr *S) {
975 void StmtProfiler::VisitCXXDefaultArgExpr(const CXXDefaultArgExpr *S) {
977 VisitDecl(S->getParam());
980 void StmtProfiler::VisitCXXDefaultInitExpr(const CXXDefaultInitExpr *S) {
982 VisitDecl(S->getField());
985 void StmtProfiler::VisitCXXBindTemporaryExpr(const CXXBindTemporaryExpr *S) {
988 const_cast<CXXDestructorDecl *>(S->getTemporary()->getDestructor()));
991 void StmtProfiler::VisitCXXConstructExpr(const CXXConstructExpr *S) {
993 VisitDecl(S->getConstructor());
994 ID.AddBoolean(S->isElidable());
997 void StmtProfiler::VisitCXXFunctionalCastExpr(const CXXFunctionalCastExpr *S) {
998 VisitExplicitCastExpr(S);
1002 StmtProfiler::VisitCXXTemporaryObjectExpr(const CXXTemporaryObjectExpr *S) {
1003 VisitCXXConstructExpr(S);
1007 StmtProfiler::VisitLambdaExpr(const LambdaExpr *S) {
1009 for (LambdaExpr::capture_iterator C = S->explicit_capture_begin(),
1010 CEnd = S->explicit_capture_end();
1012 ID.AddInteger(C->getCaptureKind());
1013 switch (C->getCaptureKind()) {
1018 VisitDecl(C->getCapturedVar());
1019 ID.AddBoolean(C->isPackExpansion());
1023 // Note: If we actually needed to be able to match lambda
1024 // expressions, we would have to consider parameters and return type
1025 // here, among other things.
1026 VisitStmt(S->getBody());
1030 StmtProfiler::VisitCXXScalarValueInitExpr(const CXXScalarValueInitExpr *S) {
1034 void StmtProfiler::VisitCXXDeleteExpr(const CXXDeleteExpr *S) {
1036 ID.AddBoolean(S->isGlobalDelete());
1037 ID.AddBoolean(S->isArrayForm());
1038 VisitDecl(S->getOperatorDelete());
1042 void StmtProfiler::VisitCXXNewExpr(const CXXNewExpr *S) {
1044 VisitType(S->getAllocatedType());
1045 VisitDecl(S->getOperatorNew());
1046 VisitDecl(S->getOperatorDelete());
1047 ID.AddBoolean(S->isArray());
1048 ID.AddInteger(S->getNumPlacementArgs());
1049 ID.AddBoolean(S->isGlobalNew());
1050 ID.AddBoolean(S->isParenTypeId());
1051 ID.AddInteger(S->getInitializationStyle());
1055 StmtProfiler::VisitCXXPseudoDestructorExpr(const CXXPseudoDestructorExpr *S) {
1057 ID.AddBoolean(S->isArrow());
1058 VisitNestedNameSpecifier(S->getQualifier());
1059 ID.AddBoolean(S->getScopeTypeInfo() != nullptr);
1060 if (S->getScopeTypeInfo())
1061 VisitType(S->getScopeTypeInfo()->getType());
1062 ID.AddBoolean(S->getDestroyedTypeInfo() != nullptr);
1063 if (S->getDestroyedTypeInfo())
1064 VisitType(S->getDestroyedType());
1066 ID.AddPointer(S->getDestroyedTypeIdentifier());
1069 void StmtProfiler::VisitOverloadExpr(const OverloadExpr *S) {
1071 VisitNestedNameSpecifier(S->getQualifier());
1072 VisitName(S->getName());
1073 ID.AddBoolean(S->hasExplicitTemplateArgs());
1074 if (S->hasExplicitTemplateArgs())
1075 VisitTemplateArguments(S->getExplicitTemplateArgs().getTemplateArgs(),
1076 S->getExplicitTemplateArgs().NumTemplateArgs);
1080 StmtProfiler::VisitUnresolvedLookupExpr(const UnresolvedLookupExpr *S) {
1081 VisitOverloadExpr(S);
1084 void StmtProfiler::VisitTypeTraitExpr(const TypeTraitExpr *S) {
1086 ID.AddInteger(S->getTrait());
1087 ID.AddInteger(S->getNumArgs());
1088 for (unsigned I = 0, N = S->getNumArgs(); I != N; ++I)
1089 VisitType(S->getArg(I)->getType());
1092 void StmtProfiler::VisitArrayTypeTraitExpr(const ArrayTypeTraitExpr *S) {
1094 ID.AddInteger(S->getTrait());
1095 VisitType(S->getQueriedType());
1098 void StmtProfiler::VisitExpressionTraitExpr(const ExpressionTraitExpr *S) {
1100 ID.AddInteger(S->getTrait());
1101 VisitExpr(S->getQueriedExpression());
1104 void StmtProfiler::VisitDependentScopeDeclRefExpr(
1105 const DependentScopeDeclRefExpr *S) {
1107 VisitName(S->getDeclName());
1108 VisitNestedNameSpecifier(S->getQualifier());
1109 ID.AddBoolean(S->hasExplicitTemplateArgs());
1110 if (S->hasExplicitTemplateArgs())
1111 VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs());
1114 void StmtProfiler::VisitExprWithCleanups(const ExprWithCleanups *S) {
1118 void StmtProfiler::VisitCXXUnresolvedConstructExpr(
1119 const CXXUnresolvedConstructExpr *S) {
1121 VisitType(S->getTypeAsWritten());
1124 void StmtProfiler::VisitCXXDependentScopeMemberExpr(
1125 const CXXDependentScopeMemberExpr *S) {
1126 ID.AddBoolean(S->isImplicitAccess());
1127 if (!S->isImplicitAccess()) {
1129 ID.AddBoolean(S->isArrow());
1131 VisitNestedNameSpecifier(S->getQualifier());
1132 VisitName(S->getMember());
1133 ID.AddBoolean(S->hasExplicitTemplateArgs());
1134 if (S->hasExplicitTemplateArgs())
1135 VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs());
1138 void StmtProfiler::VisitUnresolvedMemberExpr(const UnresolvedMemberExpr *S) {
1139 ID.AddBoolean(S->isImplicitAccess());
1140 if (!S->isImplicitAccess()) {
1142 ID.AddBoolean(S->isArrow());
1144 VisitNestedNameSpecifier(S->getQualifier());
1145 VisitName(S->getMemberName());
1146 ID.AddBoolean(S->hasExplicitTemplateArgs());
1147 if (S->hasExplicitTemplateArgs())
1148 VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs());
1151 void StmtProfiler::VisitCXXNoexceptExpr(const CXXNoexceptExpr *S) {
1155 void StmtProfiler::VisitPackExpansionExpr(const PackExpansionExpr *S) {
1159 void StmtProfiler::VisitSizeOfPackExpr(const SizeOfPackExpr *S) {
1161 VisitDecl(S->getPack());
1164 void StmtProfiler::VisitSubstNonTypeTemplateParmPackExpr(
1165 const SubstNonTypeTemplateParmPackExpr *S) {
1167 VisitDecl(S->getParameterPack());
1168 VisitTemplateArgument(S->getArgumentPack());
1171 void StmtProfiler::VisitSubstNonTypeTemplateParmExpr(
1172 const SubstNonTypeTemplateParmExpr *E) {
1173 // Profile exactly as the replacement expression.
1174 Visit(E->getReplacement());
1177 void StmtProfiler::VisitFunctionParmPackExpr(const FunctionParmPackExpr *S) {
1179 VisitDecl(S->getParameterPack());
1180 ID.AddInteger(S->getNumExpansions());
1181 for (FunctionParmPackExpr::iterator I = S->begin(), E = S->end(); I != E; ++I)
1185 void StmtProfiler::VisitMaterializeTemporaryExpr(
1186 const MaterializeTemporaryExpr *S) {
1190 void StmtProfiler::VisitOpaqueValueExpr(const OpaqueValueExpr *E) {
1194 void StmtProfiler::VisitObjCStringLiteral(const ObjCStringLiteral *S) {
1198 void StmtProfiler::VisitObjCBoxedExpr(const ObjCBoxedExpr *E) {
1202 void StmtProfiler::VisitObjCArrayLiteral(const ObjCArrayLiteral *E) {
1206 void StmtProfiler::VisitObjCDictionaryLiteral(const ObjCDictionaryLiteral *E) {
1210 void StmtProfiler::VisitObjCEncodeExpr(const ObjCEncodeExpr *S) {
1212 VisitType(S->getEncodedType());
1215 void StmtProfiler::VisitObjCSelectorExpr(const ObjCSelectorExpr *S) {
1217 VisitName(S->getSelector());
1220 void StmtProfiler::VisitObjCProtocolExpr(const ObjCProtocolExpr *S) {
1222 VisitDecl(S->getProtocol());
1225 void StmtProfiler::VisitObjCIvarRefExpr(const ObjCIvarRefExpr *S) {
1227 VisitDecl(S->getDecl());
1228 ID.AddBoolean(S->isArrow());
1229 ID.AddBoolean(S->isFreeIvar());
1232 void StmtProfiler::VisitObjCPropertyRefExpr(const ObjCPropertyRefExpr *S) {
1234 if (S->isImplicitProperty()) {
1235 VisitDecl(S->getImplicitPropertyGetter());
1236 VisitDecl(S->getImplicitPropertySetter());
1238 VisitDecl(S->getExplicitProperty());
1240 if (S->isSuperReceiver()) {
1241 ID.AddBoolean(S->isSuperReceiver());
1242 VisitType(S->getSuperReceiverType());
1246 void StmtProfiler::VisitObjCSubscriptRefExpr(const ObjCSubscriptRefExpr *S) {
1248 VisitDecl(S->getAtIndexMethodDecl());
1249 VisitDecl(S->setAtIndexMethodDecl());
1252 void StmtProfiler::VisitObjCMessageExpr(const ObjCMessageExpr *S) {
1254 VisitName(S->getSelector());
1255 VisitDecl(S->getMethodDecl());
1258 void StmtProfiler::VisitObjCIsaExpr(const ObjCIsaExpr *S) {
1260 ID.AddBoolean(S->isArrow());
1263 void StmtProfiler::VisitObjCBoolLiteralExpr(const ObjCBoolLiteralExpr *S) {
1265 ID.AddBoolean(S->getValue());
1268 void StmtProfiler::VisitObjCIndirectCopyRestoreExpr(
1269 const ObjCIndirectCopyRestoreExpr *S) {
1271 ID.AddBoolean(S->shouldCopy());
1274 void StmtProfiler::VisitObjCBridgedCastExpr(const ObjCBridgedCastExpr *S) {
1275 VisitExplicitCastExpr(S);
1276 ID.AddBoolean(S->getBridgeKind());
1279 void StmtProfiler::VisitDecl(const Decl *D) {
1280 ID.AddInteger(D? D->getKind() : 0);
1282 if (Canonical && D) {
1283 if (const NonTypeTemplateParmDecl *NTTP =
1284 dyn_cast<NonTypeTemplateParmDecl>(D)) {
1285 ID.AddInteger(NTTP->getDepth());
1286 ID.AddInteger(NTTP->getIndex());
1287 ID.AddBoolean(NTTP->isParameterPack());
1288 VisitType(NTTP->getType());
1292 if (const ParmVarDecl *Parm = dyn_cast<ParmVarDecl>(D)) {
1293 // The Itanium C++ ABI uses the type, scope depth, and scope
1294 // index of a parameter when mangling expressions that involve
1295 // function parameters, so we will use the parameter's type for
1296 // establishing function parameter identity. That way, our
1297 // definition of "equivalent" (per C++ [temp.over.link]) is at
1298 // least as strong as the definition of "equivalent" used for
1300 VisitType(Parm->getType());
1301 ID.AddInteger(Parm->getFunctionScopeDepth());
1302 ID.AddInteger(Parm->getFunctionScopeIndex());
1306 if (const TemplateTypeParmDecl *TTP =
1307 dyn_cast<TemplateTypeParmDecl>(D)) {
1308 ID.AddInteger(TTP->getDepth());
1309 ID.AddInteger(TTP->getIndex());
1310 ID.AddBoolean(TTP->isParameterPack());
1314 if (const TemplateTemplateParmDecl *TTP =
1315 dyn_cast<TemplateTemplateParmDecl>(D)) {
1316 ID.AddInteger(TTP->getDepth());
1317 ID.AddInteger(TTP->getIndex());
1318 ID.AddBoolean(TTP->isParameterPack());
1323 ID.AddPointer(D? D->getCanonicalDecl() : nullptr);
1326 void StmtProfiler::VisitType(QualType T) {
1328 T = Context.getCanonicalType(T);
1330 ID.AddPointer(T.getAsOpaquePtr());
1333 void StmtProfiler::VisitName(DeclarationName Name) {
1334 ID.AddPointer(Name.getAsOpaquePtr());
1337 void StmtProfiler::VisitNestedNameSpecifier(NestedNameSpecifier *NNS) {
1339 NNS = Context.getCanonicalNestedNameSpecifier(NNS);
1343 void StmtProfiler::VisitTemplateName(TemplateName Name) {
1345 Name = Context.getCanonicalTemplateName(Name);
1350 void StmtProfiler::VisitTemplateArguments(const TemplateArgumentLoc *Args,
1352 ID.AddInteger(NumArgs);
1353 for (unsigned I = 0; I != NumArgs; ++I)
1354 VisitTemplateArgument(Args[I].getArgument());
1357 void StmtProfiler::VisitTemplateArgument(const TemplateArgument &Arg) {
1358 // Mostly repetitive with TemplateArgument::Profile!
1359 ID.AddInteger(Arg.getKind());
1360 switch (Arg.getKind()) {
1361 case TemplateArgument::Null:
1364 case TemplateArgument::Type:
1365 VisitType(Arg.getAsType());
1368 case TemplateArgument::Template:
1369 case TemplateArgument::TemplateExpansion:
1370 VisitTemplateName(Arg.getAsTemplateOrTemplatePattern());
1373 case TemplateArgument::Declaration:
1374 VisitDecl(Arg.getAsDecl());
1377 case TemplateArgument::NullPtr:
1378 VisitType(Arg.getNullPtrType());
1381 case TemplateArgument::Integral:
1382 Arg.getAsIntegral().Profile(ID);
1383 VisitType(Arg.getIntegralType());
1386 case TemplateArgument::Expression:
1387 Visit(Arg.getAsExpr());
1390 case TemplateArgument::Pack:
1391 for (const auto &P : Arg.pack_elements())
1392 VisitTemplateArgument(P);
1397 void Stmt::Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context,
1398 bool Canonical) const {
1399 StmtProfiler Profiler(ID, Context, Canonical);
1400 Profiler.Visit(this);