StmtProfile.cpp revision 341825 
1//===---- StmtProfile.cpp - Profile implementation for Stmt ASTs ----------===//
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//
10// This file implements the Stmt::Profile method, which builds a unique bit
11// representation that identifies a statement/expression.
12//
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/ExprOpenMP.h"
22#include "clang/AST/ODRHash.h"
23#include "clang/AST/StmtVisitor.h"
24#include "llvm/ADT/FoldingSet.h"
25using namespace clang;
26
27namespace {
28  class StmtProfiler : public ConstStmtVisitor<StmtProfiler> {
29  protected:
30    llvm::FoldingSetNodeID &ID;
31    bool Canonical;
32
33  public:
34    StmtProfiler(llvm::FoldingSetNodeID &ID, bool Canonical)
35        : ID(ID), Canonical(Canonical) {}
36
37    virtual ~StmtProfiler() {}
38
39    void VisitStmt(const Stmt *S);
40
41    virtual void HandleStmtClass(Stmt::StmtClass SC) = 0;
42
43#define STMT(Node, Base) void Visit##Node(const Node *S);
44#include "clang/AST/StmtNodes.inc"
45
46    /// Visit a declaration that is referenced within an expression
47    /// or statement.
48    virtual void VisitDecl(const Decl *D) = 0;
49
50    /// Visit a type that is referenced within an expression or
51    /// statement.
52    virtual void VisitType(QualType T) = 0;
53
54    /// Visit a name that occurs within an expression or statement.
55    virtual void VisitName(DeclarationName Name, bool TreatAsDecl = false) = 0;
56
57    /// Visit identifiers that are not in Decl's or Type's.
58    virtual void VisitIdentifierInfo(IdentifierInfo *II) = 0;
59
60    /// Visit a nested-name-specifier that occurs within an expression
61    /// or statement.
62    virtual void VisitNestedNameSpecifier(NestedNameSpecifier *NNS) = 0;
63
64    /// Visit a template name that occurs within an expression or
65    /// statement.
66    virtual void VisitTemplateName(TemplateName Name) = 0;
67
68    /// Visit template arguments that occur within an expression or
69    /// statement.
70    void VisitTemplateArguments(const TemplateArgumentLoc *Args,
71                                unsigned NumArgs);
72
73    /// Visit a single template argument.
74    void VisitTemplateArgument(const TemplateArgument &Arg);
75  };
76
77  class StmtProfilerWithPointers : public StmtProfiler {
78    const ASTContext &Context;
79
80  public:
81    StmtProfilerWithPointers(llvm::FoldingSetNodeID &ID,
82                             const ASTContext &Context, bool Canonical)
83        : StmtProfiler(ID, Canonical), Context(Context) {}
84  private:
85    void HandleStmtClass(Stmt::StmtClass SC) override {
86      ID.AddInteger(SC);
87    }
88
89    void VisitDecl(const Decl *D) override {
90      ID.AddInteger(D ? D->getKind() : 0);
91
92      if (Canonical && D) {
93        if (const NonTypeTemplateParmDecl *NTTP =
94                dyn_cast<NonTypeTemplateParmDecl>(D)) {
95          ID.AddInteger(NTTP->getDepth());
96          ID.AddInteger(NTTP->getIndex());
97          ID.AddBoolean(NTTP->isParameterPack());
98          VisitType(NTTP->getType());
99          return;
100        }
101
102        if (const ParmVarDecl *Parm = dyn_cast<ParmVarDecl>(D)) {
103          // The Itanium C++ ABI uses the type, scope depth, and scope
104          // index of a parameter when mangling expressions that involve
105          // function parameters, so we will use the parameter's type for
106          // establishing function parameter identity. That way, our
107          // definition of "equivalent" (per C++ [temp.over.link]) is at
108          // least as strong as the definition of "equivalent" used for
109          // name mangling.
110          VisitType(Parm->getType());
111          ID.AddInteger(Parm->getFunctionScopeDepth());
112          ID.AddInteger(Parm->getFunctionScopeIndex());
113          return;
114        }
115
116        if (const TemplateTypeParmDecl *TTP =
117                dyn_cast<TemplateTypeParmDecl>(D)) {
118          ID.AddInteger(TTP->getDepth());
119          ID.AddInteger(TTP->getIndex());
120          ID.AddBoolean(TTP->isParameterPack());
121          return;
122        }
123
124        if (const TemplateTemplateParmDecl *TTP =
125                dyn_cast<TemplateTemplateParmDecl>(D)) {
126          ID.AddInteger(TTP->getDepth());
127          ID.AddInteger(TTP->getIndex());
128          ID.AddBoolean(TTP->isParameterPack());
129          return;
130        }
131      }
132
133      ID.AddPointer(D ? D->getCanonicalDecl() : nullptr);
134    }
135
136    void VisitType(QualType T) override {
137      if (Canonical && !T.isNull())
138        T = Context.getCanonicalType(T);
139
140      ID.AddPointer(T.getAsOpaquePtr());
141    }
142
143    void VisitName(DeclarationName Name, bool /*TreatAsDecl*/) override {
144      ID.AddPointer(Name.getAsOpaquePtr());
145    }
146
147    void VisitIdentifierInfo(IdentifierInfo *II) override {
148      ID.AddPointer(II);
149    }
150
151    void VisitNestedNameSpecifier(NestedNameSpecifier *NNS) override {
152      if (Canonical)
153        NNS = Context.getCanonicalNestedNameSpecifier(NNS);
154      ID.AddPointer(NNS);
155    }
156
157    void VisitTemplateName(TemplateName Name) override {
158      if (Canonical)
159        Name = Context.getCanonicalTemplateName(Name);
160
161      Name.Profile(ID);
162    }
163  };
164
165  class StmtProfilerWithoutPointers : public StmtProfiler {
166    ODRHash &Hash;
167  public:
168    StmtProfilerWithoutPointers(llvm::FoldingSetNodeID &ID, ODRHash &Hash)
169        : StmtProfiler(ID, false), Hash(Hash) {}
170
171  private:
172    void HandleStmtClass(Stmt::StmtClass SC) override {
173      if (SC == Stmt::UnresolvedLookupExprClass) {
174        // Pretend that the name looked up is a Decl due to how templates
175        // handle some Decl lookups.
176        ID.AddInteger(Stmt::DeclRefExprClass);
177      } else {
178        ID.AddInteger(SC);
179      }
180    }
181
182    void VisitType(QualType T) override {
183      Hash.AddQualType(T);
184    }
185
186    void VisitName(DeclarationName Name, bool TreatAsDecl) override {
187      if (TreatAsDecl) {
188        // A Decl can be null, so each Decl is preceded by a boolean to
189        // store its nullness.  Add a boolean here to match.
190        ID.AddBoolean(true);
191      }
192      Hash.AddDeclarationName(Name);
193    }
194    void VisitIdentifierInfo(IdentifierInfo *II) override {
195      ID.AddBoolean(II);
196      if (II) {
197        Hash.AddIdentifierInfo(II);
198      }
199    }
200    void VisitDecl(const Decl *D) override {
201      ID.AddBoolean(D);
202      if (D) {
203        Hash.AddDecl(D);
204      }
205    }
206    void VisitTemplateName(TemplateName Name) override {
207      Hash.AddTemplateName(Name);
208    }
209    void VisitNestedNameSpecifier(NestedNameSpecifier *NNS) override {
210      ID.AddBoolean(NNS);
211      if (NNS) {
212        Hash.AddNestedNameSpecifier(NNS);
213      }
214    }
215  };
216}
217
218void StmtProfiler::VisitStmt(const Stmt *S) {
219  assert(S && "Requires non-null Stmt pointer");
220
221  HandleStmtClass(S->getStmtClass());
222
223  for (const Stmt *SubStmt : S->children()) {
224    if (SubStmt)
225      Visit(SubStmt);
226    else
227      ID.AddInteger(0);
228  }
229}
230
231void StmtProfiler::VisitDeclStmt(const DeclStmt *S) {
232  VisitStmt(S);
233  for (const auto *D : S->decls())
234    VisitDecl(D);
235}
236
237void StmtProfiler::VisitNullStmt(const NullStmt *S) {
238  VisitStmt(S);
239}
240
241void StmtProfiler::VisitCompoundStmt(const CompoundStmt *S) {
242  VisitStmt(S);
243}
244
245void StmtProfiler::VisitCaseStmt(const CaseStmt *S) {
246  VisitStmt(S);
247}
248
249void StmtProfiler::VisitDefaultStmt(const DefaultStmt *S) {
250  VisitStmt(S);
251}
252
253void StmtProfiler::VisitLabelStmt(const LabelStmt *S) {
254  VisitStmt(S);
255  VisitDecl(S->getDecl());
256}
257
258void StmtProfiler::VisitAttributedStmt(const AttributedStmt *S) {
259  VisitStmt(S);
260  // TODO: maybe visit attributes?
261}
262
263void StmtProfiler::VisitIfStmt(const IfStmt *S) {
264  VisitStmt(S);
265  VisitDecl(S->getConditionVariable());
266}
267
268void StmtProfiler::VisitSwitchStmt(const SwitchStmt *S) {
269  VisitStmt(S);
270  VisitDecl(S->getConditionVariable());
271}
272
273void StmtProfiler::VisitWhileStmt(const WhileStmt *S) {
274  VisitStmt(S);
275  VisitDecl(S->getConditionVariable());
276}
277
278void StmtProfiler::VisitDoStmt(const DoStmt *S) {
279  VisitStmt(S);
280}
281
282void StmtProfiler::VisitForStmt(const ForStmt *S) {
283  VisitStmt(S);
284}
285
286void StmtProfiler::VisitGotoStmt(const GotoStmt *S) {
287  VisitStmt(S);
288  VisitDecl(S->getLabel());
289}
290
291void StmtProfiler::VisitIndirectGotoStmt(const IndirectGotoStmt *S) {
292  VisitStmt(S);
293}
294
295void StmtProfiler::VisitContinueStmt(const ContinueStmt *S) {
296  VisitStmt(S);
297}
298
299void StmtProfiler::VisitBreakStmt(const BreakStmt *S) {
300  VisitStmt(S);
301}
302
303void StmtProfiler::VisitReturnStmt(const ReturnStmt *S) {
304  VisitStmt(S);
305}
306
307void StmtProfiler::VisitGCCAsmStmt(const GCCAsmStmt *S) {
308  VisitStmt(S);
309  ID.AddBoolean(S->isVolatile());
310  ID.AddBoolean(S->isSimple());
311  VisitStringLiteral(S->getAsmString());
312  ID.AddInteger(S->getNumOutputs());
313  for (unsigned I = 0, N = S->getNumOutputs(); I != N; ++I) {
314    ID.AddString(S->getOutputName(I));
315    VisitStringLiteral(S->getOutputConstraintLiteral(I));
316  }
317  ID.AddInteger(S->getNumInputs());
318  for (unsigned I = 0, N = S->getNumInputs(); I != N; ++I) {
319    ID.AddString(S->getInputName(I));
320    VisitStringLiteral(S->getInputConstraintLiteral(I));
321  }
322  ID.AddInteger(S->getNumClobbers());
323  for (unsigned I = 0, N = S->getNumClobbers(); I != N; ++I)
324    VisitStringLiteral(S->getClobberStringLiteral(I));
325}
326
327void StmtProfiler::VisitMSAsmStmt(const MSAsmStmt *S) {
328  // FIXME: Implement MS style inline asm statement profiler.
329  VisitStmt(S);
330}
331
332void StmtProfiler::VisitCXXCatchStmt(const CXXCatchStmt *S) {
333  VisitStmt(S);
334  VisitType(S->getCaughtType());
335}
336
337void StmtProfiler::VisitCXXTryStmt(const CXXTryStmt *S) {
338  VisitStmt(S);
339}
340
341void StmtProfiler::VisitCXXForRangeStmt(const CXXForRangeStmt *S) {
342  VisitStmt(S);
343}
344
345void StmtProfiler::VisitMSDependentExistsStmt(const MSDependentExistsStmt *S) {
346  VisitStmt(S);
347  ID.AddBoolean(S->isIfExists());
348  VisitNestedNameSpecifier(S->getQualifierLoc().getNestedNameSpecifier());
349  VisitName(S->getNameInfo().getName());
350}
351
352void StmtProfiler::VisitSEHTryStmt(const SEHTryStmt *S) {
353  VisitStmt(S);
354}
355
356void StmtProfiler::VisitSEHFinallyStmt(const SEHFinallyStmt *S) {
357  VisitStmt(S);
358}
359
360void StmtProfiler::VisitSEHExceptStmt(const SEHExceptStmt *S) {
361  VisitStmt(S);
362}
363
364void StmtProfiler::VisitSEHLeaveStmt(const SEHLeaveStmt *S) {
365  VisitStmt(S);
366}
367
368void StmtProfiler::VisitCapturedStmt(const CapturedStmt *S) {
369  VisitStmt(S);
370}
371
372void StmtProfiler::VisitObjCForCollectionStmt(const ObjCForCollectionStmt *S) {
373  VisitStmt(S);
374}
375
376void StmtProfiler::VisitObjCAtCatchStmt(const ObjCAtCatchStmt *S) {
377  VisitStmt(S);
378  ID.AddBoolean(S->hasEllipsis());
379  if (S->getCatchParamDecl())
380    VisitType(S->getCatchParamDecl()->getType());
381}
382
383void StmtProfiler::VisitObjCAtFinallyStmt(const ObjCAtFinallyStmt *S) {
384  VisitStmt(S);
385}
386
387void StmtProfiler::VisitObjCAtTryStmt(const ObjCAtTryStmt *S) {
388  VisitStmt(S);
389}
390
391void
392StmtProfiler::VisitObjCAtSynchronizedStmt(const ObjCAtSynchronizedStmt *S) {
393  VisitStmt(S);
394}
395
396void StmtProfiler::VisitObjCAtThrowStmt(const ObjCAtThrowStmt *S) {
397  VisitStmt(S);
398}
399
400void
401StmtProfiler::VisitObjCAutoreleasePoolStmt(const ObjCAutoreleasePoolStmt *S) {
402  VisitStmt(S);
403}
404
405namespace {
406class OMPClauseProfiler : public ConstOMPClauseVisitor<OMPClauseProfiler> {
407  StmtProfiler *Profiler;
408  /// Process clauses with list of variables.
409  template <typename T>
410  void VisitOMPClauseList(T *Node);
411
412public:
413  OMPClauseProfiler(StmtProfiler *P) : Profiler(P) { }
414#define OPENMP_CLAUSE(Name, Class)                                             \
415  void Visit##Class(const Class *C);
416#include "clang/Basic/OpenMPKinds.def"
417  void VistOMPClauseWithPreInit(const OMPClauseWithPreInit *C);
418  void VistOMPClauseWithPostUpdate(const OMPClauseWithPostUpdate *C);
419};
420
421void OMPClauseProfiler::VistOMPClauseWithPreInit(
422    const OMPClauseWithPreInit *C) {
423  if (auto *S = C->getPreInitStmt())
424    Profiler->VisitStmt(S);
425}
426
427void OMPClauseProfiler::VistOMPClauseWithPostUpdate(
428    const OMPClauseWithPostUpdate *C) {
429  VistOMPClauseWithPreInit(C);
430  if (auto *E = C->getPostUpdateExpr())
431    Profiler->VisitStmt(E);
432}
433
434void OMPClauseProfiler::VisitOMPIfClause(const OMPIfClause *C) {
435  VistOMPClauseWithPreInit(C);
436  if (C->getCondition())
437    Profiler->VisitStmt(C->getCondition());
438}
439
440void OMPClauseProfiler::VisitOMPFinalClause(const OMPFinalClause *C) {
441  if (C->getCondition())
442    Profiler->VisitStmt(C->getCondition());
443}
444
445void OMPClauseProfiler::VisitOMPNumThreadsClause(const OMPNumThreadsClause *C) {
446  VistOMPClauseWithPreInit(C);
447  if (C->getNumThreads())
448    Profiler->VisitStmt(C->getNumThreads());
449}
450
451void OMPClauseProfiler::VisitOMPSafelenClause(const OMPSafelenClause *C) {
452  if (C->getSafelen())
453    Profiler->VisitStmt(C->getSafelen());
454}
455
456void OMPClauseProfiler::VisitOMPSimdlenClause(const OMPSimdlenClause *C) {
457  if (C->getSimdlen())
458    Profiler->VisitStmt(C->getSimdlen());
459}
460
461void OMPClauseProfiler::VisitOMPCollapseClause(const OMPCollapseClause *C) {
462  if (C->getNumForLoops())
463    Profiler->VisitStmt(C->getNumForLoops());
464}
465
466void OMPClauseProfiler::VisitOMPDefaultClause(const OMPDefaultClause *C) { }
467
468void OMPClauseProfiler::VisitOMPProcBindClause(const OMPProcBindClause *C) { }
469
470void OMPClauseProfiler::VisitOMPScheduleClause(const OMPScheduleClause *C) {
471  VistOMPClauseWithPreInit(C);
472  if (auto *S = C->getChunkSize())
473    Profiler->VisitStmt(S);
474}
475
476void OMPClauseProfiler::VisitOMPOrderedClause(const OMPOrderedClause *C) {
477  if (auto *Num = C->getNumForLoops())
478    Profiler->VisitStmt(Num);
479}
480
481void OMPClauseProfiler::VisitOMPNowaitClause(const OMPNowaitClause *) {}
482
483void OMPClauseProfiler::VisitOMPUntiedClause(const OMPUntiedClause *) {}
484
485void OMPClauseProfiler::VisitOMPMergeableClause(const OMPMergeableClause *) {}
486
487void OMPClauseProfiler::VisitOMPReadClause(const OMPReadClause *) {}
488
489void OMPClauseProfiler::VisitOMPWriteClause(const OMPWriteClause *) {}
490
491void OMPClauseProfiler::VisitOMPUpdateClause(const OMPUpdateClause *) {}
492
493void OMPClauseProfiler::VisitOMPCaptureClause(const OMPCaptureClause *) {}
494
495void OMPClauseProfiler::VisitOMPSeqCstClause(const OMPSeqCstClause *) {}
496
497void OMPClauseProfiler::VisitOMPThreadsClause(const OMPThreadsClause *) {}
498
499void OMPClauseProfiler::VisitOMPSIMDClause(const OMPSIMDClause *) {}
500
501void OMPClauseProfiler::VisitOMPNogroupClause(const OMPNogroupClause *) {}
502
503template<typename T>
504void OMPClauseProfiler::VisitOMPClauseList(T *Node) {
505  for (auto *E : Node->varlists()) {
506    if (E)
507      Profiler->VisitStmt(E);
508  }
509}
510
511void OMPClauseProfiler::VisitOMPPrivateClause(const OMPPrivateClause *C) {
512  VisitOMPClauseList(C);
513  for (auto *E : C->private_copies()) {
514    if (E)
515      Profiler->VisitStmt(E);
516  }
517}
518void
519OMPClauseProfiler::VisitOMPFirstprivateClause(const OMPFirstprivateClause *C) {
520  VisitOMPClauseList(C);
521  VistOMPClauseWithPreInit(C);
522  for (auto *E : C->private_copies()) {
523    if (E)
524      Profiler->VisitStmt(E);
525  }
526  for (auto *E : C->inits()) {
527    if (E)
528      Profiler->VisitStmt(E);
529  }
530}
531void
532OMPClauseProfiler::VisitOMPLastprivateClause(const OMPLastprivateClause *C) {
533  VisitOMPClauseList(C);
534  VistOMPClauseWithPostUpdate(C);
535  for (auto *E : C->source_exprs()) {
536    if (E)
537      Profiler->VisitStmt(E);
538  }
539  for (auto *E : C->destination_exprs()) {
540    if (E)
541      Profiler->VisitStmt(E);
542  }
543  for (auto *E : C->assignment_ops()) {
544    if (E)
545      Profiler->VisitStmt(E);
546  }
547}
548void OMPClauseProfiler::VisitOMPSharedClause(const OMPSharedClause *C) {
549  VisitOMPClauseList(C);
550}
551void OMPClauseProfiler::VisitOMPReductionClause(
552                                         const OMPReductionClause *C) {
553  Profiler->VisitNestedNameSpecifier(
554      C->getQualifierLoc().getNestedNameSpecifier());
555  Profiler->VisitName(C->getNameInfo().getName());
556  VisitOMPClauseList(C);
557  VistOMPClauseWithPostUpdate(C);
558  for (auto *E : C->privates()) {
559    if (E)
560      Profiler->VisitStmt(E);
561  }
562  for (auto *E : C->lhs_exprs()) {
563    if (E)
564      Profiler->VisitStmt(E);
565  }
566  for (auto *E : C->rhs_exprs()) {
567    if (E)
568      Profiler->VisitStmt(E);
569  }
570  for (auto *E : C->reduction_ops()) {
571    if (E)
572      Profiler->VisitStmt(E);
573  }
574}
575void OMPClauseProfiler::VisitOMPTaskReductionClause(
576    const OMPTaskReductionClause *C) {
577  Profiler->VisitNestedNameSpecifier(
578      C->getQualifierLoc().getNestedNameSpecifier());
579  Profiler->VisitName(C->getNameInfo().getName());
580  VisitOMPClauseList(C);
581  VistOMPClauseWithPostUpdate(C);
582  for (auto *E : C->privates()) {
583    if (E)
584      Profiler->VisitStmt(E);
585  }
586  for (auto *E : C->lhs_exprs()) {
587    if (E)
588      Profiler->VisitStmt(E);
589  }
590  for (auto *E : C->rhs_exprs()) {
591    if (E)
592      Profiler->VisitStmt(E);
593  }
594  for (auto *E : C->reduction_ops()) {
595    if (E)
596      Profiler->VisitStmt(E);
597  }
598}
599void OMPClauseProfiler::VisitOMPInReductionClause(
600    const OMPInReductionClause *C) {
601  Profiler->VisitNestedNameSpecifier(
602      C->getQualifierLoc().getNestedNameSpecifier());
603  Profiler->VisitName(C->getNameInfo().getName());
604  VisitOMPClauseList(C);
605  VistOMPClauseWithPostUpdate(C);
606  for (auto *E : C->privates()) {
607    if (E)
608      Profiler->VisitStmt(E);
609  }
610  for (auto *E : C->lhs_exprs()) {
611    if (E)
612      Profiler->VisitStmt(E);
613  }
614  for (auto *E : C->rhs_exprs()) {
615    if (E)
616      Profiler->VisitStmt(E);
617  }
618  for (auto *E : C->reduction_ops()) {
619    if (E)
620      Profiler->VisitStmt(E);
621  }
622  for (auto *E : C->taskgroup_descriptors()) {
623    if (E)
624      Profiler->VisitStmt(E);
625  }
626}
627void OMPClauseProfiler::VisitOMPLinearClause(const OMPLinearClause *C) {
628  VisitOMPClauseList(C);
629  VistOMPClauseWithPostUpdate(C);
630  for (auto *E : C->privates()) {
631    if (E)
632      Profiler->VisitStmt(E);
633  }
634  for (auto *E : C->inits()) {
635    if (E)
636      Profiler->VisitStmt(E);
637  }
638  for (auto *E : C->updates()) {
639    if (E)
640      Profiler->VisitStmt(E);
641  }
642  for (auto *E : C->finals()) {
643    if (E)
644      Profiler->VisitStmt(E);
645  }
646  if (C->getStep())
647    Profiler->VisitStmt(C->getStep());
648  if (C->getCalcStep())
649    Profiler->VisitStmt(C->getCalcStep());
650}
651void OMPClauseProfiler::VisitOMPAlignedClause(const OMPAlignedClause *C) {
652  VisitOMPClauseList(C);
653  if (C->getAlignment())
654    Profiler->VisitStmt(C->getAlignment());
655}
656void OMPClauseProfiler::VisitOMPCopyinClause(const OMPCopyinClause *C) {
657  VisitOMPClauseList(C);
658  for (auto *E : C->source_exprs()) {
659    if (E)
660      Profiler->VisitStmt(E);
661  }
662  for (auto *E : C->destination_exprs()) {
663    if (E)
664      Profiler->VisitStmt(E);
665  }
666  for (auto *E : C->assignment_ops()) {
667    if (E)
668      Profiler->VisitStmt(E);
669  }
670}
671void
672OMPClauseProfiler::VisitOMPCopyprivateClause(const OMPCopyprivateClause *C) {
673  VisitOMPClauseList(C);
674  for (auto *E : C->source_exprs()) {
675    if (E)
676      Profiler->VisitStmt(E);
677  }
678  for (auto *E : C->destination_exprs()) {
679    if (E)
680      Profiler->VisitStmt(E);
681  }
682  for (auto *E : C->assignment_ops()) {
683    if (E)
684      Profiler->VisitStmt(E);
685  }
686}
687void OMPClauseProfiler::VisitOMPFlushClause(const OMPFlushClause *C) {
688  VisitOMPClauseList(C);
689}
690void OMPClauseProfiler::VisitOMPDependClause(const OMPDependClause *C) {
691  VisitOMPClauseList(C);
692}
693void OMPClauseProfiler::VisitOMPDeviceClause(const OMPDeviceClause *C) {
694  if (C->getDevice())
695    Profiler->VisitStmt(C->getDevice());
696}
697void OMPClauseProfiler::VisitOMPMapClause(const OMPMapClause *C) {
698  VisitOMPClauseList(C);
699}
700void OMPClauseProfiler::VisitOMPNumTeamsClause(const OMPNumTeamsClause *C) {
701  VistOMPClauseWithPreInit(C);
702  if (C->getNumTeams())
703    Profiler->VisitStmt(C->getNumTeams());
704}
705void OMPClauseProfiler::VisitOMPThreadLimitClause(
706    const OMPThreadLimitClause *C) {
707  VistOMPClauseWithPreInit(C);
708  if (C->getThreadLimit())
709    Profiler->VisitStmt(C->getThreadLimit());
710}
711void OMPClauseProfiler::VisitOMPPriorityClause(const OMPPriorityClause *C) {
712  if (C->getPriority())
713    Profiler->VisitStmt(C->getPriority());
714}
715void OMPClauseProfiler::VisitOMPGrainsizeClause(const OMPGrainsizeClause *C) {
716  if (C->getGrainsize())
717    Profiler->VisitStmt(C->getGrainsize());
718}
719void OMPClauseProfiler::VisitOMPNumTasksClause(const OMPNumTasksClause *C) {
720  if (C->getNumTasks())
721    Profiler->VisitStmt(C->getNumTasks());
722}
723void OMPClauseProfiler::VisitOMPHintClause(const OMPHintClause *C) {
724  if (C->getHint())
725    Profiler->VisitStmt(C->getHint());
726}
727void OMPClauseProfiler::VisitOMPToClause(const OMPToClause *C) {
728  VisitOMPClauseList(C);
729}
730void OMPClauseProfiler::VisitOMPFromClause(const OMPFromClause *C) {
731  VisitOMPClauseList(C);
732}
733void OMPClauseProfiler::VisitOMPUseDevicePtrClause(
734    const OMPUseDevicePtrClause *C) {
735  VisitOMPClauseList(C);
736}
737void OMPClauseProfiler::VisitOMPIsDevicePtrClause(
738    const OMPIsDevicePtrClause *C) {
739  VisitOMPClauseList(C);
740}
741}
742
743void
744StmtProfiler::VisitOMPExecutableDirective(const OMPExecutableDirective *S) {
745  VisitStmt(S);
746  OMPClauseProfiler P(this);
747  ArrayRef<OMPClause *> Clauses = S->clauses();
748  for (ArrayRef<OMPClause *>::iterator I = Clauses.begin(), E = Clauses.end();
749       I != E; ++I)
750    if (*I)
751      P.Visit(*I);
752}
753
754void StmtProfiler::VisitOMPLoopDirective(const OMPLoopDirective *S) {
755  VisitOMPExecutableDirective(S);
756}
757
758void StmtProfiler::VisitOMPParallelDirective(const OMPParallelDirective *S) {
759  VisitOMPExecutableDirective(S);
760}
761
762void StmtProfiler::VisitOMPSimdDirective(const OMPSimdDirective *S) {
763  VisitOMPLoopDirective(S);
764}
765
766void StmtProfiler::VisitOMPForDirective(const OMPForDirective *S) {
767  VisitOMPLoopDirective(S);
768}
769
770void StmtProfiler::VisitOMPForSimdDirective(const OMPForSimdDirective *S) {
771  VisitOMPLoopDirective(S);
772}
773
774void StmtProfiler::VisitOMPSectionsDirective(const OMPSectionsDirective *S) {
775  VisitOMPExecutableDirective(S);
776}
777
778void StmtProfiler::VisitOMPSectionDirective(const OMPSectionDirective *S) {
779  VisitOMPExecutableDirective(S);
780}
781
782void StmtProfiler::VisitOMPSingleDirective(const OMPSingleDirective *S) {
783  VisitOMPExecutableDirective(S);
784}
785
786void StmtProfiler::VisitOMPMasterDirective(const OMPMasterDirective *S) {
787  VisitOMPExecutableDirective(S);
788}
789
790void StmtProfiler::VisitOMPCriticalDirective(const OMPCriticalDirective *S) {
791  VisitOMPExecutableDirective(S);
792  VisitName(S->getDirectiveName().getName());
793}
794
795void
796StmtProfiler::VisitOMPParallelForDirective(const OMPParallelForDirective *S) {
797  VisitOMPLoopDirective(S);
798}
799
800void StmtProfiler::VisitOMPParallelForSimdDirective(
801    const OMPParallelForSimdDirective *S) {
802  VisitOMPLoopDirective(S);
803}
804
805void StmtProfiler::VisitOMPParallelSectionsDirective(
806    const OMPParallelSectionsDirective *S) {
807  VisitOMPExecutableDirective(S);
808}
809
810void StmtProfiler::VisitOMPTaskDirective(const OMPTaskDirective *S) {
811  VisitOMPExecutableDirective(S);
812}
813
814void StmtProfiler::VisitOMPTaskyieldDirective(const OMPTaskyieldDirective *S) {
815  VisitOMPExecutableDirective(S);
816}
817
818void StmtProfiler::VisitOMPBarrierDirective(const OMPBarrierDirective *S) {
819  VisitOMPExecutableDirective(S);
820}
821
822void StmtProfiler::VisitOMPTaskwaitDirective(const OMPTaskwaitDirective *S) {
823  VisitOMPExecutableDirective(S);
824}
825
826void StmtProfiler::VisitOMPTaskgroupDirective(const OMPTaskgroupDirective *S) {
827  VisitOMPExecutableDirective(S);
828  if (const Expr *E = S->getReductionRef())
829    VisitStmt(E);
830}
831
832void StmtProfiler::VisitOMPFlushDirective(const OMPFlushDirective *S) {
833  VisitOMPExecutableDirective(S);
834}
835
836void StmtProfiler::VisitOMPOrderedDirective(const OMPOrderedDirective *S) {
837  VisitOMPExecutableDirective(S);
838}
839
840void StmtProfiler::VisitOMPAtomicDirective(const OMPAtomicDirective *S) {
841  VisitOMPExecutableDirective(S);
842}
843
844void StmtProfiler::VisitOMPTargetDirective(const OMPTargetDirective *S) {
845  VisitOMPExecutableDirective(S);
846}
847
848void StmtProfiler::VisitOMPTargetDataDirective(const OMPTargetDataDirective *S) {
849  VisitOMPExecutableDirective(S);
850}
851
852void StmtProfiler::VisitOMPTargetEnterDataDirective(
853    const OMPTargetEnterDataDirective *S) {
854  VisitOMPExecutableDirective(S);
855}
856
857void StmtProfiler::VisitOMPTargetExitDataDirective(
858    const OMPTargetExitDataDirective *S) {
859  VisitOMPExecutableDirective(S);
860}
861
862void StmtProfiler::VisitOMPTargetParallelDirective(
863    const OMPTargetParallelDirective *S) {
864  VisitOMPExecutableDirective(S);
865}
866
867void StmtProfiler::VisitOMPTargetParallelForDirective(
868    const OMPTargetParallelForDirective *S) {
869  VisitOMPExecutableDirective(S);
870}
871
872void StmtProfiler::VisitOMPTeamsDirective(const OMPTeamsDirective *S) {
873  VisitOMPExecutableDirective(S);
874}
875
876void StmtProfiler::VisitOMPCancellationPointDirective(
877    const OMPCancellationPointDirective *S) {
878  VisitOMPExecutableDirective(S);
879}
880
881void StmtProfiler::VisitOMPCancelDirective(const OMPCancelDirective *S) {
882  VisitOMPExecutableDirective(S);
883}
884
885void StmtProfiler::VisitOMPTaskLoopDirective(const OMPTaskLoopDirective *S) {
886  VisitOMPLoopDirective(S);
887}
888
889void StmtProfiler::VisitOMPTaskLoopSimdDirective(
890    const OMPTaskLoopSimdDirective *S) {
891  VisitOMPLoopDirective(S);
892}
893
894void StmtProfiler::VisitOMPDistributeDirective(
895    const OMPDistributeDirective *S) {
896  VisitOMPLoopDirective(S);
897}
898
899void OMPClauseProfiler::VisitOMPDistScheduleClause(
900    const OMPDistScheduleClause *C) {
901  VistOMPClauseWithPreInit(C);
902  if (auto *S = C->getChunkSize())
903    Profiler->VisitStmt(S);
904}
905
906void OMPClauseProfiler::VisitOMPDefaultmapClause(const OMPDefaultmapClause *) {}
907
908void StmtProfiler::VisitOMPTargetUpdateDirective(
909    const OMPTargetUpdateDirective *S) {
910  VisitOMPExecutableDirective(S);
911}
912
913void StmtProfiler::VisitOMPDistributeParallelForDirective(
914    const OMPDistributeParallelForDirective *S) {
915  VisitOMPLoopDirective(S);
916}
917
918void StmtProfiler::VisitOMPDistributeParallelForSimdDirective(
919    const OMPDistributeParallelForSimdDirective *S) {
920  VisitOMPLoopDirective(S);
921}
922
923void StmtProfiler::VisitOMPDistributeSimdDirective(
924    const OMPDistributeSimdDirective *S) {
925  VisitOMPLoopDirective(S);
926}
927
928void StmtProfiler::VisitOMPTargetParallelForSimdDirective(
929    const OMPTargetParallelForSimdDirective *S) {
930  VisitOMPLoopDirective(S);
931}
932
933void StmtProfiler::VisitOMPTargetSimdDirective(
934    const OMPTargetSimdDirective *S) {
935  VisitOMPLoopDirective(S);
936}
937
938void StmtProfiler::VisitOMPTeamsDistributeDirective(
939    const OMPTeamsDistributeDirective *S) {
940  VisitOMPLoopDirective(S);
941}
942
943void StmtProfiler::VisitOMPTeamsDistributeSimdDirective(
944    const OMPTeamsDistributeSimdDirective *S) {
945  VisitOMPLoopDirective(S);
946}
947
948void StmtProfiler::VisitOMPTeamsDistributeParallelForSimdDirective(
949    const OMPTeamsDistributeParallelForSimdDirective *S) {
950  VisitOMPLoopDirective(S);
951}
952
953void StmtProfiler::VisitOMPTeamsDistributeParallelForDirective(
954    const OMPTeamsDistributeParallelForDirective *S) {
955  VisitOMPLoopDirective(S);
956}
957
958void StmtProfiler::VisitOMPTargetTeamsDirective(
959    const OMPTargetTeamsDirective *S) {
960  VisitOMPExecutableDirective(S);
961}
962
963void StmtProfiler::VisitOMPTargetTeamsDistributeDirective(
964    const OMPTargetTeamsDistributeDirective *S) {
965  VisitOMPLoopDirective(S);
966}
967
968void StmtProfiler::VisitOMPTargetTeamsDistributeParallelForDirective(
969    const OMPTargetTeamsDistributeParallelForDirective *S) {
970  VisitOMPLoopDirective(S);
971}
972
973void StmtProfiler::VisitOMPTargetTeamsDistributeParallelForSimdDirective(
974    const OMPTargetTeamsDistributeParallelForSimdDirective *S) {
975  VisitOMPLoopDirective(S);
976}
977
978void StmtProfiler::VisitOMPTargetTeamsDistributeSimdDirective(
979    const OMPTargetTeamsDistributeSimdDirective *S) {
980  VisitOMPLoopDirective(S);
981}
982
983void StmtProfiler::VisitExpr(const Expr *S) {
984  VisitStmt(S);
985}
986
987void StmtProfiler::VisitDeclRefExpr(const DeclRefExpr *S) {
988  VisitExpr(S);
989  if (!Canonical)
990    VisitNestedNameSpecifier(S->getQualifier());
991  VisitDecl(S->getDecl());
992  if (!Canonical) {
993    ID.AddBoolean(S->hasExplicitTemplateArgs());
994    if (S->hasExplicitTemplateArgs())
995      VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs());
996  }
997}
998
999void StmtProfiler::VisitPredefinedExpr(const PredefinedExpr *S) {
1000  VisitExpr(S);
1001  ID.AddInteger(S->getIdentType());
1002}
1003
1004void StmtProfiler::VisitIntegerLiteral(const IntegerLiteral *S) {
1005  VisitExpr(S);
1006  S->getValue().Profile(ID);
1007  ID.AddInteger(S->getType()->castAs<BuiltinType>()->getKind());
1008}
1009
1010void StmtProfiler::VisitFixedPointLiteral(const FixedPointLiteral *S) {
1011  VisitExpr(S);
1012  S->getValue().Profile(ID);
1013  ID.AddInteger(S->getType()->castAs<BuiltinType>()->getKind());
1014}
1015
1016void StmtProfiler::VisitCharacterLiteral(const CharacterLiteral *S) {
1017  VisitExpr(S);
1018  ID.AddInteger(S->getKind());
1019  ID.AddInteger(S->getValue());
1020}
1021
1022void StmtProfiler::VisitFloatingLiteral(const FloatingLiteral *S) {
1023  VisitExpr(S);
1024  S->getValue().Profile(ID);
1025  ID.AddBoolean(S->isExact());
1026  ID.AddInteger(S->getType()->castAs<BuiltinType>()->getKind());
1027}
1028
1029void StmtProfiler::VisitImaginaryLiteral(const ImaginaryLiteral *S) {
1030  VisitExpr(S);
1031}
1032
1033void StmtProfiler::VisitStringLiteral(const StringLiteral *S) {
1034  VisitExpr(S);
1035  ID.AddString(S->getBytes());
1036  ID.AddInteger(S->getKind());
1037}
1038
1039void StmtProfiler::VisitParenExpr(const ParenExpr *S) {
1040  VisitExpr(S);
1041}
1042
1043void StmtProfiler::VisitParenListExpr(const ParenListExpr *S) {
1044  VisitExpr(S);
1045}
1046
1047void StmtProfiler::VisitUnaryOperator(const UnaryOperator *S) {
1048  VisitExpr(S);
1049  ID.AddInteger(S->getOpcode());
1050}
1051
1052void StmtProfiler::VisitOffsetOfExpr(const OffsetOfExpr *S) {
1053  VisitType(S->getTypeSourceInfo()->getType());
1054  unsigned n = S->getNumComponents();
1055  for (unsigned i = 0; i < n; ++i) {
1056    const OffsetOfNode &ON = S->getComponent(i);
1057    ID.AddInteger(ON.getKind());
1058    switch (ON.getKind()) {
1059    case OffsetOfNode::Array:
1060      // Expressions handled below.
1061      break;
1062
1063    case OffsetOfNode::Field:
1064      VisitDecl(ON.getField());
1065      break;
1066
1067    case OffsetOfNode::Identifier:
1068      VisitIdentifierInfo(ON.getFieldName());
1069      break;
1070
1071    case OffsetOfNode::Base:
1072      // These nodes are implicit, and therefore don't need profiling.
1073      break;
1074    }
1075  }
1076
1077  VisitExpr(S);
1078}
1079
1080void
1081StmtProfiler::VisitUnaryExprOrTypeTraitExpr(const UnaryExprOrTypeTraitExpr *S) {
1082  VisitExpr(S);
1083  ID.AddInteger(S->getKind());
1084  if (S->isArgumentType())
1085    VisitType(S->getArgumentType());
1086}
1087
1088void StmtProfiler::VisitArraySubscriptExpr(const ArraySubscriptExpr *S) {
1089  VisitExpr(S);
1090}
1091
1092void StmtProfiler::VisitOMPArraySectionExpr(const OMPArraySectionExpr *S) {
1093  VisitExpr(S);
1094}
1095
1096void StmtProfiler::VisitCallExpr(const CallExpr *S) {
1097  VisitExpr(S);
1098}
1099
1100void StmtProfiler::VisitMemberExpr(const MemberExpr *S) {
1101  VisitExpr(S);
1102  VisitDecl(S->getMemberDecl());
1103  if (!Canonical)
1104    VisitNestedNameSpecifier(S->getQualifier());
1105  ID.AddBoolean(S->isArrow());
1106}
1107
1108void StmtProfiler::VisitCompoundLiteralExpr(const CompoundLiteralExpr *S) {
1109  VisitExpr(S);
1110  ID.AddBoolean(S->isFileScope());
1111}
1112
1113void StmtProfiler::VisitCastExpr(const CastExpr *S) {
1114  VisitExpr(S);
1115}
1116
1117void StmtProfiler::VisitImplicitCastExpr(const ImplicitCastExpr *S) {
1118  VisitCastExpr(S);
1119  ID.AddInteger(S->getValueKind());
1120}
1121
1122void StmtProfiler::VisitExplicitCastExpr(const ExplicitCastExpr *S) {
1123  VisitCastExpr(S);
1124  VisitType(S->getTypeAsWritten());
1125}
1126
1127void StmtProfiler::VisitCStyleCastExpr(const CStyleCastExpr *S) {
1128  VisitExplicitCastExpr(S);
1129}
1130
1131void StmtProfiler::VisitBinaryOperator(const BinaryOperator *S) {
1132  VisitExpr(S);
1133  ID.AddInteger(S->getOpcode());
1134}
1135
1136void
1137StmtProfiler::VisitCompoundAssignOperator(const CompoundAssignOperator *S) {
1138  VisitBinaryOperator(S);
1139}
1140
1141void StmtProfiler::VisitConditionalOperator(const ConditionalOperator *S) {
1142  VisitExpr(S);
1143}
1144
1145void StmtProfiler::VisitBinaryConditionalOperator(
1146    const BinaryConditionalOperator *S) {
1147  VisitExpr(S);
1148}
1149
1150void StmtProfiler::VisitAddrLabelExpr(const AddrLabelExpr *S) {
1151  VisitExpr(S);
1152  VisitDecl(S->getLabel());
1153}
1154
1155void StmtProfiler::VisitStmtExpr(const StmtExpr *S) {
1156  VisitExpr(S);
1157}
1158
1159void StmtProfiler::VisitShuffleVectorExpr(const ShuffleVectorExpr *S) {
1160  VisitExpr(S);
1161}
1162
1163void StmtProfiler::VisitConvertVectorExpr(const ConvertVectorExpr *S) {
1164  VisitExpr(S);
1165}
1166
1167void StmtProfiler::VisitChooseExpr(const ChooseExpr *S) {
1168  VisitExpr(S);
1169}
1170
1171void StmtProfiler::VisitGNUNullExpr(const GNUNullExpr *S) {
1172  VisitExpr(S);
1173}
1174
1175void StmtProfiler::VisitVAArgExpr(const VAArgExpr *S) {
1176  VisitExpr(S);
1177}
1178
1179void StmtProfiler::VisitInitListExpr(const InitListExpr *S) {
1180  if (S->getSyntacticForm()) {
1181    VisitInitListExpr(S->getSyntacticForm());
1182    return;
1183  }
1184
1185  VisitExpr(S);
1186}
1187
1188void StmtProfiler::VisitDesignatedInitExpr(const DesignatedInitExpr *S) {
1189  VisitExpr(S);
1190  ID.AddBoolean(S->usesGNUSyntax());
1191  for (const DesignatedInitExpr::Designator &D : S->designators()) {
1192    if (D.isFieldDesignator()) {
1193      ID.AddInteger(0);
1194      VisitName(D.getFieldName());
1195      continue;
1196    }
1197
1198    if (D.isArrayDesignator()) {
1199      ID.AddInteger(1);
1200    } else {
1201      assert(D.isArrayRangeDesignator());
1202      ID.AddInteger(2);
1203    }
1204    ID.AddInteger(D.getFirstExprIndex());
1205  }
1206}
1207
1208// Seems that if VisitInitListExpr() only works on the syntactic form of an
1209// InitListExpr, then a DesignatedInitUpdateExpr is not encountered.
1210void StmtProfiler::VisitDesignatedInitUpdateExpr(
1211    const DesignatedInitUpdateExpr *S) {
1212  llvm_unreachable("Unexpected DesignatedInitUpdateExpr in syntactic form of "
1213                   "initializer");
1214}
1215
1216void StmtProfiler::VisitArrayInitLoopExpr(const ArrayInitLoopExpr *S) {
1217  VisitExpr(S);
1218}
1219
1220void StmtProfiler::VisitArrayInitIndexExpr(const ArrayInitIndexExpr *S) {
1221  VisitExpr(S);
1222}
1223
1224void StmtProfiler::VisitNoInitExpr(const NoInitExpr *S) {
1225  llvm_unreachable("Unexpected NoInitExpr in syntactic form of initializer");
1226}
1227
1228void StmtProfiler::VisitImplicitValueInitExpr(const ImplicitValueInitExpr *S) {
1229  VisitExpr(S);
1230}
1231
1232void StmtProfiler::VisitExtVectorElementExpr(const ExtVectorElementExpr *S) {
1233  VisitExpr(S);
1234  VisitName(&S->getAccessor());
1235}
1236
1237void StmtProfiler::VisitBlockExpr(const BlockExpr *S) {
1238  VisitExpr(S);
1239  VisitDecl(S->getBlockDecl());
1240}
1241
1242void StmtProfiler::VisitGenericSelectionExpr(const GenericSelectionExpr *S) {
1243  VisitExpr(S);
1244  for (unsigned i = 0; i != S->getNumAssocs(); ++i) {
1245    QualType T = S->getAssocType(i);
1246    if (T.isNull())
1247      ID.AddPointer(nullptr);
1248    else
1249      VisitType(T);
1250    VisitExpr(S->getAssocExpr(i));
1251  }
1252}
1253
1254void StmtProfiler::VisitPseudoObjectExpr(const PseudoObjectExpr *S) {
1255  VisitExpr(S);
1256  for (PseudoObjectExpr::const_semantics_iterator
1257         i = S->semantics_begin(), e = S->semantics_end(); i != e; ++i)
1258    // Normally, we would not profile the source expressions of OVEs.
1259    if (const OpaqueValueExpr *OVE = dyn_cast<OpaqueValueExpr>(*i))
1260      Visit(OVE->getSourceExpr());
1261}
1262
1263void StmtProfiler::VisitAtomicExpr(const AtomicExpr *S) {
1264  VisitExpr(S);
1265  ID.AddInteger(S->getOp());
1266}
1267
1268static Stmt::StmtClass DecodeOperatorCall(const CXXOperatorCallExpr *S,
1269                                          UnaryOperatorKind &UnaryOp,
1270                                          BinaryOperatorKind &BinaryOp) {
1271  switch (S->getOperator()) {
1272  case OO_None:
1273  case OO_New:
1274  case OO_Delete:
1275  case OO_Array_New:
1276  case OO_Array_Delete:
1277  case OO_Arrow:
1278  case OO_Call:
1279  case OO_Conditional:
1280  case NUM_OVERLOADED_OPERATORS:
1281    llvm_unreachable("Invalid operator call kind");
1282
1283  case OO_Plus:
1284    if (S->getNumArgs() == 1) {
1285      UnaryOp = UO_Plus;
1286      return Stmt::UnaryOperatorClass;
1287    }
1288
1289    BinaryOp = BO_Add;
1290    return Stmt::BinaryOperatorClass;
1291
1292  case OO_Minus:
1293    if (S->getNumArgs() == 1) {
1294      UnaryOp = UO_Minus;
1295      return Stmt::UnaryOperatorClass;
1296    }
1297
1298    BinaryOp = BO_Sub;
1299    return Stmt::BinaryOperatorClass;
1300
1301  case OO_Star:
1302    if (S->getNumArgs() == 1) {
1303      UnaryOp = UO_Deref;
1304      return Stmt::UnaryOperatorClass;
1305    }
1306
1307    BinaryOp = BO_Mul;
1308    return Stmt::BinaryOperatorClass;
1309
1310  case OO_Slash:
1311    BinaryOp = BO_Div;
1312    return Stmt::BinaryOperatorClass;
1313
1314  case OO_Percent:
1315    BinaryOp = BO_Rem;
1316    return Stmt::BinaryOperatorClass;
1317
1318  case OO_Caret:
1319    BinaryOp = BO_Xor;
1320    return Stmt::BinaryOperatorClass;
1321
1322  case OO_Amp:
1323    if (S->getNumArgs() == 1) {
1324      UnaryOp = UO_AddrOf;
1325      return Stmt::UnaryOperatorClass;
1326    }
1327
1328    BinaryOp = BO_And;
1329    return Stmt::BinaryOperatorClass;
1330
1331  case OO_Pipe:
1332    BinaryOp = BO_Or;
1333    return Stmt::BinaryOperatorClass;
1334
1335  case OO_Tilde:
1336    UnaryOp = UO_Not;
1337    return Stmt::UnaryOperatorClass;
1338
1339  case OO_Exclaim:
1340    UnaryOp = UO_LNot;
1341    return Stmt::UnaryOperatorClass;
1342
1343  case OO_Equal:
1344    BinaryOp = BO_Assign;
1345    return Stmt::BinaryOperatorClass;
1346
1347  case OO_Less:
1348    BinaryOp = BO_LT;
1349    return Stmt::BinaryOperatorClass;
1350
1351  case OO_Greater:
1352    BinaryOp = BO_GT;
1353    return Stmt::BinaryOperatorClass;
1354
1355  case OO_PlusEqual:
1356    BinaryOp = BO_AddAssign;
1357    return Stmt::CompoundAssignOperatorClass;
1358
1359  case OO_MinusEqual:
1360    BinaryOp = BO_SubAssign;
1361    return Stmt::CompoundAssignOperatorClass;
1362
1363  case OO_StarEqual:
1364    BinaryOp = BO_MulAssign;
1365    return Stmt::CompoundAssignOperatorClass;
1366
1367  case OO_SlashEqual:
1368    BinaryOp = BO_DivAssign;
1369    return Stmt::CompoundAssignOperatorClass;
1370
1371  case OO_PercentEqual:
1372    BinaryOp = BO_RemAssign;
1373    return Stmt::CompoundAssignOperatorClass;
1374
1375  case OO_CaretEqual:
1376    BinaryOp = BO_XorAssign;
1377    return Stmt::CompoundAssignOperatorClass;
1378
1379  case OO_AmpEqual:
1380    BinaryOp = BO_AndAssign;
1381    return Stmt::CompoundAssignOperatorClass;
1382
1383  case OO_PipeEqual:
1384    BinaryOp = BO_OrAssign;
1385    return Stmt::CompoundAssignOperatorClass;
1386
1387  case OO_LessLess:
1388    BinaryOp = BO_Shl;
1389    return Stmt::BinaryOperatorClass;
1390
1391  case OO_GreaterGreater:
1392    BinaryOp = BO_Shr;
1393    return Stmt::BinaryOperatorClass;
1394
1395  case OO_LessLessEqual:
1396    BinaryOp = BO_ShlAssign;
1397    return Stmt::CompoundAssignOperatorClass;
1398
1399  case OO_GreaterGreaterEqual:
1400    BinaryOp = BO_ShrAssign;
1401    return Stmt::CompoundAssignOperatorClass;
1402
1403  case OO_EqualEqual:
1404    BinaryOp = BO_EQ;
1405    return Stmt::BinaryOperatorClass;
1406
1407  case OO_ExclaimEqual:
1408    BinaryOp = BO_NE;
1409    return Stmt::BinaryOperatorClass;
1410
1411  case OO_LessEqual:
1412    BinaryOp = BO_LE;
1413    return Stmt::BinaryOperatorClass;
1414
1415  case OO_GreaterEqual:
1416    BinaryOp = BO_GE;
1417    return Stmt::BinaryOperatorClass;
1418
1419  case OO_Spaceship:
1420    // FIXME: Update this once we support <=> expressions.
1421    llvm_unreachable("<=> expressions not supported yet");
1422
1423  case OO_AmpAmp:
1424    BinaryOp = BO_LAnd;
1425    return Stmt::BinaryOperatorClass;
1426
1427  case OO_PipePipe:
1428    BinaryOp = BO_LOr;
1429    return Stmt::BinaryOperatorClass;
1430
1431  case OO_PlusPlus:
1432    UnaryOp = S->getNumArgs() == 1? UO_PreInc
1433                                  : UO_PostInc;
1434    return Stmt::UnaryOperatorClass;
1435
1436  case OO_MinusMinus:
1437    UnaryOp = S->getNumArgs() == 1? UO_PreDec
1438                                  : UO_PostDec;
1439    return Stmt::UnaryOperatorClass;
1440
1441  case OO_Comma:
1442    BinaryOp = BO_Comma;
1443    return Stmt::BinaryOperatorClass;
1444
1445  case OO_ArrowStar:
1446    BinaryOp = BO_PtrMemI;
1447    return Stmt::BinaryOperatorClass;
1448
1449  case OO_Subscript:
1450    return Stmt::ArraySubscriptExprClass;
1451
1452  case OO_Coawait:
1453    UnaryOp = UO_Coawait;
1454    return Stmt::UnaryOperatorClass;
1455  }
1456
1457  llvm_unreachable("Invalid overloaded operator expression");
1458}
1459
1460#if defined(_MSC_VER) && !defined(__clang__)
1461#if _MSC_VER == 1911
1462// Work around https://developercommunity.visualstudio.com/content/problem/84002/clang-cl-when-built-with-vc-2017-crashes-cause-vc.html
1463// MSVC 2017 update 3 miscompiles this function, and a clang built with it
1464// will crash in stage 2 of a bootstrap build.
1465#pragma optimize("", off)
1466#endif
1467#endif
1468
1469void StmtProfiler::VisitCXXOperatorCallExpr(const CXXOperatorCallExpr *S) {
1470  if (S->isTypeDependent()) {
1471    // Type-dependent operator calls are profiled like their underlying
1472    // syntactic operator.
1473    //
1474    // An operator call to operator-> is always implicit, so just skip it. The
1475    // enclosing MemberExpr will profile the actual member access.
1476    if (S->getOperator() == OO_Arrow)
1477      return Visit(S->getArg(0));
1478
1479    UnaryOperatorKind UnaryOp = UO_Extension;
1480    BinaryOperatorKind BinaryOp = BO_Comma;
1481    Stmt::StmtClass SC = DecodeOperatorCall(S, UnaryOp, BinaryOp);
1482
1483    ID.AddInteger(SC);
1484    for (unsigned I = 0, N = S->getNumArgs(); I != N; ++I)
1485      Visit(S->getArg(I));
1486    if (SC == Stmt::UnaryOperatorClass)
1487      ID.AddInteger(UnaryOp);
1488    else if (SC == Stmt::BinaryOperatorClass ||
1489             SC == Stmt::CompoundAssignOperatorClass)
1490      ID.AddInteger(BinaryOp);
1491    else
1492      assert(SC == Stmt::ArraySubscriptExprClass);
1493
1494    return;
1495  }
1496
1497  VisitCallExpr(S);
1498  ID.AddInteger(S->getOperator());
1499}
1500
1501#if defined(_MSC_VER) && !defined(__clang__)
1502#if _MSC_VER == 1911
1503#pragma optimize("", on)
1504#endif
1505#endif
1506
1507void StmtProfiler::VisitCXXMemberCallExpr(const CXXMemberCallExpr *S) {
1508  VisitCallExpr(S);
1509}
1510
1511void StmtProfiler::VisitCUDAKernelCallExpr(const CUDAKernelCallExpr *S) {
1512  VisitCallExpr(S);
1513}
1514
1515void StmtProfiler::VisitAsTypeExpr(const AsTypeExpr *S) {
1516  VisitExpr(S);
1517}
1518
1519void StmtProfiler::VisitCXXNamedCastExpr(const CXXNamedCastExpr *S) {
1520  VisitExplicitCastExpr(S);
1521}
1522
1523void StmtProfiler::VisitCXXStaticCastExpr(const CXXStaticCastExpr *S) {
1524  VisitCXXNamedCastExpr(S);
1525}
1526
1527void StmtProfiler::VisitCXXDynamicCastExpr(const CXXDynamicCastExpr *S) {
1528  VisitCXXNamedCastExpr(S);
1529}
1530
1531void
1532StmtProfiler::VisitCXXReinterpretCastExpr(const CXXReinterpretCastExpr *S) {
1533  VisitCXXNamedCastExpr(S);
1534}
1535
1536void StmtProfiler::VisitCXXConstCastExpr(const CXXConstCastExpr *S) {
1537  VisitCXXNamedCastExpr(S);
1538}
1539
1540void StmtProfiler::VisitUserDefinedLiteral(const UserDefinedLiteral *S) {
1541  VisitCallExpr(S);
1542}
1543
1544void StmtProfiler::VisitCXXBoolLiteralExpr(const CXXBoolLiteralExpr *S) {
1545  VisitExpr(S);
1546  ID.AddBoolean(S->getValue());
1547}
1548
1549void StmtProfiler::VisitCXXNullPtrLiteralExpr(const CXXNullPtrLiteralExpr *S) {
1550  VisitExpr(S);
1551}
1552
1553void StmtProfiler::VisitCXXStdInitializerListExpr(
1554    const CXXStdInitializerListExpr *S) {
1555  VisitExpr(S);
1556}
1557
1558void StmtProfiler::VisitCXXTypeidExpr(const CXXTypeidExpr *S) {
1559  VisitExpr(S);
1560  if (S->isTypeOperand())
1561    VisitType(S->getTypeOperandSourceInfo()->getType());
1562}
1563
1564void StmtProfiler::VisitCXXUuidofExpr(const CXXUuidofExpr *S) {
1565  VisitExpr(S);
1566  if (S->isTypeOperand())
1567    VisitType(S->getTypeOperandSourceInfo()->getType());
1568}
1569
1570void StmtProfiler::VisitMSPropertyRefExpr(const MSPropertyRefExpr *S) {
1571  VisitExpr(S);
1572  VisitDecl(S->getPropertyDecl());
1573}
1574
1575void StmtProfiler::VisitMSPropertySubscriptExpr(
1576    const MSPropertySubscriptExpr *S) {
1577  VisitExpr(S);
1578}
1579
1580void StmtProfiler::VisitCXXThisExpr(const CXXThisExpr *S) {
1581  VisitExpr(S);
1582  ID.AddBoolean(S->isImplicit());
1583}
1584
1585void StmtProfiler::VisitCXXThrowExpr(const CXXThrowExpr *S) {
1586  VisitExpr(S);
1587}
1588
1589void StmtProfiler::VisitCXXDefaultArgExpr(const CXXDefaultArgExpr *S) {
1590  VisitExpr(S);
1591  VisitDecl(S->getParam());
1592}
1593
1594void StmtProfiler::VisitCXXDefaultInitExpr(const CXXDefaultInitExpr *S) {
1595  VisitExpr(S);
1596  VisitDecl(S->getField());
1597}
1598
1599void StmtProfiler::VisitCXXBindTemporaryExpr(const CXXBindTemporaryExpr *S) {
1600  VisitExpr(S);
1601  VisitDecl(
1602         const_cast<CXXDestructorDecl *>(S->getTemporary()->getDestructor()));
1603}
1604
1605void StmtProfiler::VisitCXXConstructExpr(const CXXConstructExpr *S) {
1606  VisitExpr(S);
1607  VisitDecl(S->getConstructor());
1608  ID.AddBoolean(S->isElidable());
1609}
1610
1611void StmtProfiler::VisitCXXInheritedCtorInitExpr(
1612    const CXXInheritedCtorInitExpr *S) {
1613  VisitExpr(S);
1614  VisitDecl(S->getConstructor());
1615}
1616
1617void StmtProfiler::VisitCXXFunctionalCastExpr(const CXXFunctionalCastExpr *S) {
1618  VisitExplicitCastExpr(S);
1619}
1620
1621void
1622StmtProfiler::VisitCXXTemporaryObjectExpr(const CXXTemporaryObjectExpr *S) {
1623  VisitCXXConstructExpr(S);
1624}
1625
1626void
1627StmtProfiler::VisitLambdaExpr(const LambdaExpr *S) {
1628  VisitExpr(S);
1629  for (LambdaExpr::capture_iterator C = S->explicit_capture_begin(),
1630                                 CEnd = S->explicit_capture_end();
1631       C != CEnd; ++C) {
1632    if (C->capturesVLAType())
1633      continue;
1634
1635    ID.AddInteger(C->getCaptureKind());
1636    switch (C->getCaptureKind()) {
1637    case LCK_StarThis:
1638    case LCK_This:
1639      break;
1640    case LCK_ByRef:
1641    case LCK_ByCopy:
1642      VisitDecl(C->getCapturedVar());
1643      ID.AddBoolean(C->isPackExpansion());
1644      break;
1645    case LCK_VLAType:
1646      llvm_unreachable("VLA type in explicit captures.");
1647    }
1648  }
1649  // Note: If we actually needed to be able to match lambda
1650  // expressions, we would have to consider parameters and return type
1651  // here, among other things.
1652  VisitStmt(S->getBody());
1653}
1654
1655void
1656StmtProfiler::VisitCXXScalarValueInitExpr(const CXXScalarValueInitExpr *S) {
1657  VisitExpr(S);
1658}
1659
1660void StmtProfiler::VisitCXXDeleteExpr(const CXXDeleteExpr *S) {
1661  VisitExpr(S);
1662  ID.AddBoolean(S->isGlobalDelete());
1663  ID.AddBoolean(S->isArrayForm());
1664  VisitDecl(S->getOperatorDelete());
1665}
1666
1667void StmtProfiler::VisitCXXNewExpr(const CXXNewExpr *S) {
1668  VisitExpr(S);
1669  VisitType(S->getAllocatedType());
1670  VisitDecl(S->getOperatorNew());
1671  VisitDecl(S->getOperatorDelete());
1672  ID.AddBoolean(S->isArray());
1673  ID.AddInteger(S->getNumPlacementArgs());
1674  ID.AddBoolean(S->isGlobalNew());
1675  ID.AddBoolean(S->isParenTypeId());
1676  ID.AddInteger(S->getInitializationStyle());
1677}
1678
1679void
1680StmtProfiler::VisitCXXPseudoDestructorExpr(const CXXPseudoDestructorExpr *S) {
1681  VisitExpr(S);
1682  ID.AddBoolean(S->isArrow());
1683  VisitNestedNameSpecifier(S->getQualifier());
1684  ID.AddBoolean(S->getScopeTypeInfo() != nullptr);
1685  if (S->getScopeTypeInfo())
1686    VisitType(S->getScopeTypeInfo()->getType());
1687  ID.AddBoolean(S->getDestroyedTypeInfo() != nullptr);
1688  if (S->getDestroyedTypeInfo())
1689    VisitType(S->getDestroyedType());
1690  else
1691    VisitIdentifierInfo(S->getDestroyedTypeIdentifier());
1692}
1693
1694void StmtProfiler::VisitOverloadExpr(const OverloadExpr *S) {
1695  VisitExpr(S);
1696  VisitNestedNameSpecifier(S->getQualifier());
1697  VisitName(S->getName(), /*TreatAsDecl*/ true);
1698  ID.AddBoolean(S->hasExplicitTemplateArgs());
1699  if (S->hasExplicitTemplateArgs())
1700    VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs());
1701}
1702
1703void
1704StmtProfiler::VisitUnresolvedLookupExpr(const UnresolvedLookupExpr *S) {
1705  VisitOverloadExpr(S);
1706}
1707
1708void StmtProfiler::VisitTypeTraitExpr(const TypeTraitExpr *S) {
1709  VisitExpr(S);
1710  ID.AddInteger(S->getTrait());
1711  ID.AddInteger(S->getNumArgs());
1712  for (unsigned I = 0, N = S->getNumArgs(); I != N; ++I)
1713    VisitType(S->getArg(I)->getType());
1714}
1715
1716void StmtProfiler::VisitArrayTypeTraitExpr(const ArrayTypeTraitExpr *S) {
1717  VisitExpr(S);
1718  ID.AddInteger(S->getTrait());
1719  VisitType(S->getQueriedType());
1720}
1721
1722void StmtProfiler::VisitExpressionTraitExpr(const ExpressionTraitExpr *S) {
1723  VisitExpr(S);
1724  ID.AddInteger(S->getTrait());
1725  VisitExpr(S->getQueriedExpression());
1726}
1727
1728void StmtProfiler::VisitDependentScopeDeclRefExpr(
1729    const DependentScopeDeclRefExpr *S) {
1730  VisitExpr(S);
1731  VisitName(S->getDeclName());
1732  VisitNestedNameSpecifier(S->getQualifier());
1733  ID.AddBoolean(S->hasExplicitTemplateArgs());
1734  if (S->hasExplicitTemplateArgs())
1735    VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs());
1736}
1737
1738void StmtProfiler::VisitExprWithCleanups(const ExprWithCleanups *S) {
1739  VisitExpr(S);
1740}
1741
1742void StmtProfiler::VisitCXXUnresolvedConstructExpr(
1743    const CXXUnresolvedConstructExpr *S) {
1744  VisitExpr(S);
1745  VisitType(S->getTypeAsWritten());
1746  ID.AddInteger(S->isListInitialization());
1747}
1748
1749void StmtProfiler::VisitCXXDependentScopeMemberExpr(
1750    const CXXDependentScopeMemberExpr *S) {
1751  ID.AddBoolean(S->isImplicitAccess());
1752  if (!S->isImplicitAccess()) {
1753    VisitExpr(S);
1754    ID.AddBoolean(S->isArrow());
1755  }
1756  VisitNestedNameSpecifier(S->getQualifier());
1757  VisitName(S->getMember());
1758  ID.AddBoolean(S->hasExplicitTemplateArgs());
1759  if (S->hasExplicitTemplateArgs())
1760    VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs());
1761}
1762
1763void StmtProfiler::VisitUnresolvedMemberExpr(const UnresolvedMemberExpr *S) {
1764  ID.AddBoolean(S->isImplicitAccess());
1765  if (!S->isImplicitAccess()) {
1766    VisitExpr(S);
1767    ID.AddBoolean(S->isArrow());
1768  }
1769  VisitNestedNameSpecifier(S->getQualifier());
1770  VisitName(S->getMemberName());
1771  ID.AddBoolean(S->hasExplicitTemplateArgs());
1772  if (S->hasExplicitTemplateArgs())
1773    VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs());
1774}
1775
1776void StmtProfiler::VisitCXXNoexceptExpr(const CXXNoexceptExpr *S) {
1777  VisitExpr(S);
1778}
1779
1780void StmtProfiler::VisitPackExpansionExpr(const PackExpansionExpr *S) {
1781  VisitExpr(S);
1782}
1783
1784void StmtProfiler::VisitSizeOfPackExpr(const SizeOfPackExpr *S) {
1785  VisitExpr(S);
1786  VisitDecl(S->getPack());
1787  if (S->isPartiallySubstituted()) {
1788    auto Args = S->getPartialArguments();
1789    ID.AddInteger(Args.size());
1790    for (const auto &TA : Args)
1791      VisitTemplateArgument(TA);
1792  } else {
1793    ID.AddInteger(0);
1794  }
1795}
1796
1797void StmtProfiler::VisitSubstNonTypeTemplateParmPackExpr(
1798    const SubstNonTypeTemplateParmPackExpr *S) {
1799  VisitExpr(S);
1800  VisitDecl(S->getParameterPack());
1801  VisitTemplateArgument(S->getArgumentPack());
1802}
1803
1804void StmtProfiler::VisitSubstNonTypeTemplateParmExpr(
1805    const SubstNonTypeTemplateParmExpr *E) {
1806  // Profile exactly as the replacement expression.
1807  Visit(E->getReplacement());
1808}
1809
1810void StmtProfiler::VisitFunctionParmPackExpr(const FunctionParmPackExpr *S) {
1811  VisitExpr(S);
1812  VisitDecl(S->getParameterPack());
1813  ID.AddInteger(S->getNumExpansions());
1814  for (FunctionParmPackExpr::iterator I = S->begin(), E = S->end(); I != E; ++I)
1815    VisitDecl(*I);
1816}
1817
1818void StmtProfiler::VisitMaterializeTemporaryExpr(
1819                                           const MaterializeTemporaryExpr *S) {
1820  VisitExpr(S);
1821}
1822
1823void StmtProfiler::VisitCXXFoldExpr(const CXXFoldExpr *S) {
1824  VisitExpr(S);
1825  ID.AddInteger(S->getOperator());
1826}
1827
1828void StmtProfiler::VisitCoroutineBodyStmt(const CoroutineBodyStmt *S) {
1829  VisitStmt(S);
1830}
1831
1832void StmtProfiler::VisitCoreturnStmt(const CoreturnStmt *S) {
1833  VisitStmt(S);
1834}
1835
1836void StmtProfiler::VisitCoawaitExpr(const CoawaitExpr *S) {
1837  VisitExpr(S);
1838}
1839
1840void StmtProfiler::VisitDependentCoawaitExpr(const DependentCoawaitExpr *S) {
1841  VisitExpr(S);
1842}
1843
1844void StmtProfiler::VisitCoyieldExpr(const CoyieldExpr *S) {
1845  VisitExpr(S);
1846}
1847
1848void StmtProfiler::VisitOpaqueValueExpr(const OpaqueValueExpr *E) {
1849  VisitExpr(E);
1850}
1851
1852void StmtProfiler::VisitTypoExpr(const TypoExpr *E) {
1853  VisitExpr(E);
1854}
1855
1856void StmtProfiler::VisitObjCStringLiteral(const ObjCStringLiteral *S) {
1857  VisitExpr(S);
1858}
1859
1860void StmtProfiler::VisitObjCBoxedExpr(const ObjCBoxedExpr *E) {
1861  VisitExpr(E);
1862}
1863
1864void StmtProfiler::VisitObjCArrayLiteral(const ObjCArrayLiteral *E) {
1865  VisitExpr(E);
1866}
1867
1868void StmtProfiler::VisitObjCDictionaryLiteral(const ObjCDictionaryLiteral *E) {
1869  VisitExpr(E);
1870}
1871
1872void StmtProfiler::VisitObjCEncodeExpr(const ObjCEncodeExpr *S) {
1873  VisitExpr(S);
1874  VisitType(S->getEncodedType());
1875}
1876
1877void StmtProfiler::VisitObjCSelectorExpr(const ObjCSelectorExpr *S) {
1878  VisitExpr(S);
1879  VisitName(S->getSelector());
1880}
1881
1882void StmtProfiler::VisitObjCProtocolExpr(const ObjCProtocolExpr *S) {
1883  VisitExpr(S);
1884  VisitDecl(S->getProtocol());
1885}
1886
1887void StmtProfiler::VisitObjCIvarRefExpr(const ObjCIvarRefExpr *S) {
1888  VisitExpr(S);
1889  VisitDecl(S->getDecl());
1890  ID.AddBoolean(S->isArrow());
1891  ID.AddBoolean(S->isFreeIvar());
1892}
1893
1894void StmtProfiler::VisitObjCPropertyRefExpr(const ObjCPropertyRefExpr *S) {
1895  VisitExpr(S);
1896  if (S->isImplicitProperty()) {
1897    VisitDecl(S->getImplicitPropertyGetter());
1898    VisitDecl(S->getImplicitPropertySetter());
1899  } else {
1900    VisitDecl(S->getExplicitProperty());
1901  }
1902  if (S->isSuperReceiver()) {
1903    ID.AddBoolean(S->isSuperReceiver());
1904    VisitType(S->getSuperReceiverType());
1905  }
1906}
1907
1908void StmtProfiler::VisitObjCSubscriptRefExpr(const ObjCSubscriptRefExpr *S) {
1909  VisitExpr(S);
1910  VisitDecl(S->getAtIndexMethodDecl());
1911  VisitDecl(S->setAtIndexMethodDecl());
1912}
1913
1914void StmtProfiler::VisitObjCMessageExpr(const ObjCMessageExpr *S) {
1915  VisitExpr(S);
1916  VisitName(S->getSelector());
1917  VisitDecl(S->getMethodDecl());
1918}
1919
1920void StmtProfiler::VisitObjCIsaExpr(const ObjCIsaExpr *S) {
1921  VisitExpr(S);
1922  ID.AddBoolean(S->isArrow());
1923}
1924
1925void StmtProfiler::VisitObjCBoolLiteralExpr(const ObjCBoolLiteralExpr *S) {
1926  VisitExpr(S);
1927  ID.AddBoolean(S->getValue());
1928}
1929
1930void StmtProfiler::VisitObjCIndirectCopyRestoreExpr(
1931    const ObjCIndirectCopyRestoreExpr *S) {
1932  VisitExpr(S);
1933  ID.AddBoolean(S->shouldCopy());
1934}
1935
1936void StmtProfiler::VisitObjCBridgedCastExpr(const ObjCBridgedCastExpr *S) {
1937  VisitExplicitCastExpr(S);
1938  ID.AddBoolean(S->getBridgeKind());
1939}
1940
1941void StmtProfiler::VisitObjCAvailabilityCheckExpr(
1942    const ObjCAvailabilityCheckExpr *S) {
1943  VisitExpr(S);
1944}
1945
1946void StmtProfiler::VisitTemplateArguments(const TemplateArgumentLoc *Args,
1947                                          unsigned NumArgs) {
1948  ID.AddInteger(NumArgs);
1949  for (unsigned I = 0; I != NumArgs; ++I)
1950    VisitTemplateArgument(Args[I].getArgument());
1951}
1952
1953void StmtProfiler::VisitTemplateArgument(const TemplateArgument &Arg) {
1954  // Mostly repetitive with TemplateArgument::Profile!
1955  ID.AddInteger(Arg.getKind());
1956  switch (Arg.getKind()) {
1957  case TemplateArgument::Null:
1958    break;
1959
1960  case TemplateArgument::Type:
1961    VisitType(Arg.getAsType());
1962    break;
1963
1964  case TemplateArgument::Template:
1965  case TemplateArgument::TemplateExpansion:
1966    VisitTemplateName(Arg.getAsTemplateOrTemplatePattern());
1967    break;
1968
1969  case TemplateArgument::Declaration:
1970    VisitDecl(Arg.getAsDecl());
1971    break;
1972
1973  case TemplateArgument::NullPtr:
1974    VisitType(Arg.getNullPtrType());
1975    break;
1976
1977  case TemplateArgument::Integral:
1978    Arg.getAsIntegral().Profile(ID);
1979    VisitType(Arg.getIntegralType());
1980    break;
1981
1982  case TemplateArgument::Expression:
1983    Visit(Arg.getAsExpr());
1984    break;
1985
1986  case TemplateArgument::Pack:
1987    for (const auto &P : Arg.pack_elements())
1988      VisitTemplateArgument(P);
1989    break;
1990  }
1991}
1992
1993void Stmt::Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context,
1994                   bool Canonical) const {
1995  StmtProfilerWithPointers Profiler(ID, Context, Canonical);
1996  Profiler.Visit(this);
1997}
1998
1999void Stmt::ProcessODRHash(llvm::FoldingSetNodeID &ID,
2000                          class ODRHash &Hash) const {
2001  StmtProfilerWithoutPointers Profiler(ID, Hash);
2002  Profiler.Visit(this);
2003}
2004