xref: /freebsd/contrib/llvm-project/clang/lib/AST/StmtProfile.cpp (revision 162ae9c834f6d9f9cb443bd62cceb23e0b5fef48) 
1 //===---- StmtProfile.cpp - Profile implementation for Stmt ASTs ----------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // This file implements the Stmt::Profile method, which builds a unique bit
10 // representation that identifies a statement/expression.
11 //
12 //===----------------------------------------------------------------------===//
13 #include "clang/AST/ASTContext.h"
14 #include "clang/AST/DeclCXX.h"
15 #include "clang/AST/DeclObjC.h"
16 #include "clang/AST/DeclTemplate.h"
17 #include "clang/AST/Expr.h"
18 #include "clang/AST/ExprCXX.h"
19 #include "clang/AST/ExprObjC.h"
20 #include "clang/AST/ExprOpenMP.h"
21 #include "clang/AST/ODRHash.h"
22 #include "clang/AST/StmtVisitor.h"
23 #include "llvm/ADT/FoldingSet.h"
24 using namespace clang;
25 
26 namespace {
27   class StmtProfiler : public ConstStmtVisitor<StmtProfiler> {
28   protected:
29     llvm::FoldingSetNodeID &ID;
30     bool Canonical;
31 
32   public:
33     StmtProfiler(llvm::FoldingSetNodeID &ID, bool Canonical)
34         : ID(ID), Canonical(Canonical) {}
35 
36     virtual ~StmtProfiler() {}
37 
38     void VisitStmt(const Stmt *S);
39 
40     virtual void HandleStmtClass(Stmt::StmtClass SC) = 0;
41 
42 #define STMT(Node, Base) void Visit##Node(const Node *S);
43 #include "clang/AST/StmtNodes.inc"
44 
45     /// Visit a declaration that is referenced within an expression
46     /// or statement.
47     virtual void VisitDecl(const Decl *D) = 0;
48 
49     /// Visit a type that is referenced within an expression or
50     /// statement.
51     virtual void VisitType(QualType T) = 0;
52 
53     /// Visit a name that occurs within an expression or statement.
54     virtual void VisitName(DeclarationName Name, bool TreatAsDecl = false) = 0;
55 
56     /// Visit identifiers that are not in Decl's or Type's.
57     virtual void VisitIdentifierInfo(IdentifierInfo *II) = 0;
58 
59     /// Visit a nested-name-specifier that occurs within an expression
60     /// or statement.
61     virtual void VisitNestedNameSpecifier(NestedNameSpecifier *NNS) = 0;
62 
63     /// Visit a template name that occurs within an expression or
64     /// statement.
65     virtual void VisitTemplateName(TemplateName Name) = 0;
66 
67     /// Visit template arguments that occur within an expression or
68     /// statement.
69     void VisitTemplateArguments(const TemplateArgumentLoc *Args,
70                                 unsigned NumArgs);
71 
72     /// Visit a single template argument.
73     void VisitTemplateArgument(const TemplateArgument &Arg);
74   };
75 
76   class StmtProfilerWithPointers : public StmtProfiler {
77     const ASTContext &Context;
78 
79   public:
80     StmtProfilerWithPointers(llvm::FoldingSetNodeID &ID,
81                              const ASTContext &Context, bool Canonical)
82         : StmtProfiler(ID, Canonical), Context(Context) {}
83   private:
84     void HandleStmtClass(Stmt::StmtClass SC) override {
85       ID.AddInteger(SC);
86     }
87 
88     void VisitDecl(const Decl *D) override {
89       ID.AddInteger(D ? D->getKind() : 0);
90 
91       if (Canonical && D) {
92         if (const NonTypeTemplateParmDecl *NTTP =
93                 dyn_cast<NonTypeTemplateParmDecl>(D)) {
94           ID.AddInteger(NTTP->getDepth());
95           ID.AddInteger(NTTP->getIndex());
96           ID.AddBoolean(NTTP->isParameterPack());
97           VisitType(NTTP->getType());
98           return;
99         }
100 
101         if (const ParmVarDecl *Parm = dyn_cast<ParmVarDecl>(D)) {
102           // The Itanium C++ ABI uses the type, scope depth, and scope
103           // index of a parameter when mangling expressions that involve
104           // function parameters, so we will use the parameter's type for
105           // establishing function parameter identity. That way, our
106           // definition of "equivalent" (per C++ [temp.over.link]) is at
107           // least as strong as the definition of "equivalent" used for
108           // name mangling.
109           VisitType(Parm->getType());
110           ID.AddInteger(Parm->getFunctionScopeDepth());
111           ID.AddInteger(Parm->getFunctionScopeIndex());
112           return;
113         }
114 
115         if (const TemplateTypeParmDecl *TTP =
116                 dyn_cast<TemplateTypeParmDecl>(D)) {
117           ID.AddInteger(TTP->getDepth());
118           ID.AddInteger(TTP->getIndex());
119           ID.AddBoolean(TTP->isParameterPack());
120           return;
121         }
122 
123         if (const TemplateTemplateParmDecl *TTP =
124                 dyn_cast<TemplateTemplateParmDecl>(D)) {
125           ID.AddInteger(TTP->getDepth());
126           ID.AddInteger(TTP->getIndex());
127           ID.AddBoolean(TTP->isParameterPack());
128           return;
129         }
130       }
131 
132       ID.AddPointer(D ? D->getCanonicalDecl() : nullptr);
133     }
134 
135     void VisitType(QualType T) override {
136       if (Canonical && !T.isNull())
137         T = Context.getCanonicalType(T);
138 
139       ID.AddPointer(T.getAsOpaquePtr());
140     }
141 
142     void VisitName(DeclarationName Name, bool /*TreatAsDecl*/) override {
143       ID.AddPointer(Name.getAsOpaquePtr());
144     }
145 
146     void VisitIdentifierInfo(IdentifierInfo *II) override {
147       ID.AddPointer(II);
148     }
149 
150     void VisitNestedNameSpecifier(NestedNameSpecifier *NNS) override {
151       if (Canonical)
152         NNS = Context.getCanonicalNestedNameSpecifier(NNS);
153       ID.AddPointer(NNS);
154     }
155 
156     void VisitTemplateName(TemplateName Name) override {
157       if (Canonical)
158         Name = Context.getCanonicalTemplateName(Name);
159 
160       Name.Profile(ID);
161     }
162   };
163 
164   class StmtProfilerWithoutPointers : public StmtProfiler {
165     ODRHash &Hash;
166   public:
167     StmtProfilerWithoutPointers(llvm::FoldingSetNodeID &ID, ODRHash &Hash)
168         : StmtProfiler(ID, false), Hash(Hash) {}
169 
170   private:
171     void HandleStmtClass(Stmt::StmtClass SC) override {
172       if (SC == Stmt::UnresolvedLookupExprClass) {
173         // Pretend that the name looked up is a Decl due to how templates
174         // handle some Decl lookups.
175         ID.AddInteger(Stmt::DeclRefExprClass);
176       } else {
177         ID.AddInteger(SC);
178       }
179     }
180 
181     void VisitType(QualType T) override {
182       Hash.AddQualType(T);
183     }
184 
185     void VisitName(DeclarationName Name, bool TreatAsDecl) override {
186       if (TreatAsDecl) {
187         // A Decl can be null, so each Decl is preceded by a boolean to
188         // store its nullness.  Add a boolean here to match.
189         ID.AddBoolean(true);
190       }
191       Hash.AddDeclarationName(Name, TreatAsDecl);
192     }
193     void VisitIdentifierInfo(IdentifierInfo *II) override {
194       ID.AddBoolean(II);
195       if (II) {
196         Hash.AddIdentifierInfo(II);
197       }
198     }
199     void VisitDecl(const Decl *D) override {
200       ID.AddBoolean(D);
201       if (D) {
202         Hash.AddDecl(D);
203       }
204     }
205     void VisitTemplateName(TemplateName Name) override {
206       Hash.AddTemplateName(Name);
207     }
208     void VisitNestedNameSpecifier(NestedNameSpecifier *NNS) override {
209       ID.AddBoolean(NNS);
210       if (NNS) {
211         Hash.AddNestedNameSpecifier(NNS);
212       }
213     }
214   };
215 }
216 
217 void StmtProfiler::VisitStmt(const Stmt *S) {
218   assert(S && "Requires non-null Stmt pointer");
219 
220   HandleStmtClass(S->getStmtClass());
221 
222   for (const Stmt *SubStmt : S->children()) {
223     if (SubStmt)
224       Visit(SubStmt);
225     else
226       ID.AddInteger(0);
227   }
228 }
229 
230 void StmtProfiler::VisitDeclStmt(const DeclStmt *S) {
231   VisitStmt(S);
232   for (const auto *D : S->decls())
233     VisitDecl(D);
234 }
235 
236 void StmtProfiler::VisitNullStmt(const NullStmt *S) {
237   VisitStmt(S);
238 }
239 
240 void StmtProfiler::VisitCompoundStmt(const CompoundStmt *S) {
241   VisitStmt(S);
242 }
243 
244 void StmtProfiler::VisitCaseStmt(const CaseStmt *S) {
245   VisitStmt(S);
246 }
247 
248 void StmtProfiler::VisitDefaultStmt(const DefaultStmt *S) {
249   VisitStmt(S);
250 }
251 
252 void StmtProfiler::VisitLabelStmt(const LabelStmt *S) {
253   VisitStmt(S);
254   VisitDecl(S->getDecl());
255 }
256 
257 void StmtProfiler::VisitAttributedStmt(const AttributedStmt *S) {
258   VisitStmt(S);
259   // TODO: maybe visit attributes?
260 }
261 
262 void StmtProfiler::VisitIfStmt(const IfStmt *S) {
263   VisitStmt(S);
264   VisitDecl(S->getConditionVariable());
265 }
266 
267 void StmtProfiler::VisitSwitchStmt(const SwitchStmt *S) {
268   VisitStmt(S);
269   VisitDecl(S->getConditionVariable());
270 }
271 
272 void StmtProfiler::VisitWhileStmt(const WhileStmt *S) {
273   VisitStmt(S);
274   VisitDecl(S->getConditionVariable());
275 }
276 
277 void StmtProfiler::VisitDoStmt(const DoStmt *S) {
278   VisitStmt(S);
279 }
280 
281 void StmtProfiler::VisitForStmt(const ForStmt *S) {
282   VisitStmt(S);
283 }
284 
285 void StmtProfiler::VisitGotoStmt(const GotoStmt *S) {
286   VisitStmt(S);
287   VisitDecl(S->getLabel());
288 }
289 
290 void StmtProfiler::VisitIndirectGotoStmt(const IndirectGotoStmt *S) {
291   VisitStmt(S);
292 }
293 
294 void StmtProfiler::VisitContinueStmt(const ContinueStmt *S) {
295   VisitStmt(S);
296 }
297 
298 void StmtProfiler::VisitBreakStmt(const BreakStmt *S) {
299   VisitStmt(S);
300 }
301 
302 void StmtProfiler::VisitReturnStmt(const ReturnStmt *S) {
303   VisitStmt(S);
304 }
305 
306 void StmtProfiler::VisitGCCAsmStmt(const GCCAsmStmt *S) {
307   VisitStmt(S);
308   ID.AddBoolean(S->isVolatile());
309   ID.AddBoolean(S->isSimple());
310   VisitStringLiteral(S->getAsmString());
311   ID.AddInteger(S->getNumOutputs());
312   for (unsigned I = 0, N = S->getNumOutputs(); I != N; ++I) {
313     ID.AddString(S->getOutputName(I));
314     VisitStringLiteral(S->getOutputConstraintLiteral(I));
315   }
316   ID.AddInteger(S->getNumInputs());
317   for (unsigned I = 0, N = S->getNumInputs(); I != N; ++I) {
318     ID.AddString(S->getInputName(I));
319     VisitStringLiteral(S->getInputConstraintLiteral(I));
320   }
321   ID.AddInteger(S->getNumClobbers());
322   for (unsigned I = 0, N = S->getNumClobbers(); I != N; ++I)
323     VisitStringLiteral(S->getClobberStringLiteral(I));
324   ID.AddInteger(S->getNumLabels());
325   for (auto *L : S->labels())
326     VisitDecl(L->getLabel());
327 }
328 
329 void StmtProfiler::VisitMSAsmStmt(const MSAsmStmt *S) {
330   // FIXME: Implement MS style inline asm statement profiler.
331   VisitStmt(S);
332 }
333 
334 void StmtProfiler::VisitCXXCatchStmt(const CXXCatchStmt *S) {
335   VisitStmt(S);
336   VisitType(S->getCaughtType());
337 }
338 
339 void StmtProfiler::VisitCXXTryStmt(const CXXTryStmt *S) {
340   VisitStmt(S);
341 }
342 
343 void StmtProfiler::VisitCXXForRangeStmt(const CXXForRangeStmt *S) {
344   VisitStmt(S);
345 }
346 
347 void StmtProfiler::VisitMSDependentExistsStmt(const MSDependentExistsStmt *S) {
348   VisitStmt(S);
349   ID.AddBoolean(S->isIfExists());
350   VisitNestedNameSpecifier(S->getQualifierLoc().getNestedNameSpecifier());
351   VisitName(S->getNameInfo().getName());
352 }
353 
354 void StmtProfiler::VisitSEHTryStmt(const SEHTryStmt *S) {
355   VisitStmt(S);
356 }
357 
358 void StmtProfiler::VisitSEHFinallyStmt(const SEHFinallyStmt *S) {
359   VisitStmt(S);
360 }
361 
362 void StmtProfiler::VisitSEHExceptStmt(const SEHExceptStmt *S) {
363   VisitStmt(S);
364 }
365 
366 void StmtProfiler::VisitSEHLeaveStmt(const SEHLeaveStmt *S) {
367   VisitStmt(S);
368 }
369 
370 void StmtProfiler::VisitCapturedStmt(const CapturedStmt *S) {
371   VisitStmt(S);
372 }
373 
374 void StmtProfiler::VisitObjCForCollectionStmt(const ObjCForCollectionStmt *S) {
375   VisitStmt(S);
376 }
377 
378 void StmtProfiler::VisitObjCAtCatchStmt(const ObjCAtCatchStmt *S) {
379   VisitStmt(S);
380   ID.AddBoolean(S->hasEllipsis());
381   if (S->getCatchParamDecl())
382     VisitType(S->getCatchParamDecl()->getType());
383 }
384 
385 void StmtProfiler::VisitObjCAtFinallyStmt(const ObjCAtFinallyStmt *S) {
386   VisitStmt(S);
387 }
388 
389 void StmtProfiler::VisitObjCAtTryStmt(const ObjCAtTryStmt *S) {
390   VisitStmt(S);
391 }
392 
393 void
394 StmtProfiler::VisitObjCAtSynchronizedStmt(const ObjCAtSynchronizedStmt *S) {
395   VisitStmt(S);
396 }
397 
398 void StmtProfiler::VisitObjCAtThrowStmt(const ObjCAtThrowStmt *S) {
399   VisitStmt(S);
400 }
401 
402 void
403 StmtProfiler::VisitObjCAutoreleasePoolStmt(const ObjCAutoreleasePoolStmt *S) {
404   VisitStmt(S);
405 }
406 
407 namespace {
408 class OMPClauseProfiler : public ConstOMPClauseVisitor<OMPClauseProfiler> {
409   StmtProfiler *Profiler;
410   /// Process clauses with list of variables.
411   template <typename T>
412   void VisitOMPClauseList(T *Node);
413 
414 public:
415   OMPClauseProfiler(StmtProfiler *P) : Profiler(P) { }
416 #define OPENMP_CLAUSE(Name, Class)                                             \
417   void Visit##Class(const Class *C);
418 #include "clang/Basic/OpenMPKinds.def"
419   void VistOMPClauseWithPreInit(const OMPClauseWithPreInit *C);
420   void VistOMPClauseWithPostUpdate(const OMPClauseWithPostUpdate *C);
421 };
422 
423 void OMPClauseProfiler::VistOMPClauseWithPreInit(
424     const OMPClauseWithPreInit *C) {
425   if (auto *S = C->getPreInitStmt())
426     Profiler->VisitStmt(S);
427 }
428 
429 void OMPClauseProfiler::VistOMPClauseWithPostUpdate(
430     const OMPClauseWithPostUpdate *C) {
431   VistOMPClauseWithPreInit(C);
432   if (auto *E = C->getPostUpdateExpr())
433     Profiler->VisitStmt(E);
434 }
435 
436 void OMPClauseProfiler::VisitOMPIfClause(const OMPIfClause *C) {
437   VistOMPClauseWithPreInit(C);
438   if (C->getCondition())
439     Profiler->VisitStmt(C->getCondition());
440 }
441 
442 void OMPClauseProfiler::VisitOMPFinalClause(const OMPFinalClause *C) {
443   if (C->getCondition())
444     Profiler->VisitStmt(C->getCondition());
445 }
446 
447 void OMPClauseProfiler::VisitOMPNumThreadsClause(const OMPNumThreadsClause *C) {
448   VistOMPClauseWithPreInit(C);
449   if (C->getNumThreads())
450     Profiler->VisitStmt(C->getNumThreads());
451 }
452 
453 void OMPClauseProfiler::VisitOMPSafelenClause(const OMPSafelenClause *C) {
454   if (C->getSafelen())
455     Profiler->VisitStmt(C->getSafelen());
456 }
457 
458 void OMPClauseProfiler::VisitOMPSimdlenClause(const OMPSimdlenClause *C) {
459   if (C->getSimdlen())
460     Profiler->VisitStmt(C->getSimdlen());
461 }
462 
463 void OMPClauseProfiler::VisitOMPAllocatorClause(const OMPAllocatorClause *C) {
464   if (C->getAllocator())
465     Profiler->VisitStmt(C->getAllocator());
466 }
467 
468 void OMPClauseProfiler::VisitOMPCollapseClause(const OMPCollapseClause *C) {
469   if (C->getNumForLoops())
470     Profiler->VisitStmt(C->getNumForLoops());
471 }
472 
473 void OMPClauseProfiler::VisitOMPDefaultClause(const OMPDefaultClause *C) { }
474 
475 void OMPClauseProfiler::VisitOMPProcBindClause(const OMPProcBindClause *C) { }
476 
477 void OMPClauseProfiler::VisitOMPUnifiedAddressClause(
478     const OMPUnifiedAddressClause *C) {}
479 
480 void OMPClauseProfiler::VisitOMPUnifiedSharedMemoryClause(
481     const OMPUnifiedSharedMemoryClause *C) {}
482 
483 void OMPClauseProfiler::VisitOMPReverseOffloadClause(
484     const OMPReverseOffloadClause *C) {}
485 
486 void OMPClauseProfiler::VisitOMPDynamicAllocatorsClause(
487     const OMPDynamicAllocatorsClause *C) {}
488 
489 void OMPClauseProfiler::VisitOMPAtomicDefaultMemOrderClause(
490     const OMPAtomicDefaultMemOrderClause *C) {}
491 
492 void OMPClauseProfiler::VisitOMPScheduleClause(const OMPScheduleClause *C) {
493   VistOMPClauseWithPreInit(C);
494   if (auto *S = C->getChunkSize())
495     Profiler->VisitStmt(S);
496 }
497 
498 void OMPClauseProfiler::VisitOMPOrderedClause(const OMPOrderedClause *C) {
499   if (auto *Num = C->getNumForLoops())
500     Profiler->VisitStmt(Num);
501 }
502 
503 void OMPClauseProfiler::VisitOMPNowaitClause(const OMPNowaitClause *) {}
504 
505 void OMPClauseProfiler::VisitOMPUntiedClause(const OMPUntiedClause *) {}
506 
507 void OMPClauseProfiler::VisitOMPMergeableClause(const OMPMergeableClause *) {}
508 
509 void OMPClauseProfiler::VisitOMPReadClause(const OMPReadClause *) {}
510 
511 void OMPClauseProfiler::VisitOMPWriteClause(const OMPWriteClause *) {}
512 
513 void OMPClauseProfiler::VisitOMPUpdateClause(const OMPUpdateClause *) {}
514 
515 void OMPClauseProfiler::VisitOMPCaptureClause(const OMPCaptureClause *) {}
516 
517 void OMPClauseProfiler::VisitOMPSeqCstClause(const OMPSeqCstClause *) {}
518 
519 void OMPClauseProfiler::VisitOMPThreadsClause(const OMPThreadsClause *) {}
520 
521 void OMPClauseProfiler::VisitOMPSIMDClause(const OMPSIMDClause *) {}
522 
523 void OMPClauseProfiler::VisitOMPNogroupClause(const OMPNogroupClause *) {}
524 
525 template<typename T>
526 void OMPClauseProfiler::VisitOMPClauseList(T *Node) {
527   for (auto *E : Node->varlists()) {
528     if (E)
529       Profiler->VisitStmt(E);
530   }
531 }
532 
533 void OMPClauseProfiler::VisitOMPPrivateClause(const OMPPrivateClause *C) {
534   VisitOMPClauseList(C);
535   for (auto *E : C->private_copies()) {
536     if (E)
537       Profiler->VisitStmt(E);
538   }
539 }
540 void
541 OMPClauseProfiler::VisitOMPFirstprivateClause(const OMPFirstprivateClause *C) {
542   VisitOMPClauseList(C);
543   VistOMPClauseWithPreInit(C);
544   for (auto *E : C->private_copies()) {
545     if (E)
546       Profiler->VisitStmt(E);
547   }
548   for (auto *E : C->inits()) {
549     if (E)
550       Profiler->VisitStmt(E);
551   }
552 }
553 void
554 OMPClauseProfiler::VisitOMPLastprivateClause(const OMPLastprivateClause *C) {
555   VisitOMPClauseList(C);
556   VistOMPClauseWithPostUpdate(C);
557   for (auto *E : C->source_exprs()) {
558     if (E)
559       Profiler->VisitStmt(E);
560   }
561   for (auto *E : C->destination_exprs()) {
562     if (E)
563       Profiler->VisitStmt(E);
564   }
565   for (auto *E : C->assignment_ops()) {
566     if (E)
567       Profiler->VisitStmt(E);
568   }
569 }
570 void OMPClauseProfiler::VisitOMPSharedClause(const OMPSharedClause *C) {
571   VisitOMPClauseList(C);
572 }
573 void OMPClauseProfiler::VisitOMPReductionClause(
574                                          const OMPReductionClause *C) {
575   Profiler->VisitNestedNameSpecifier(
576       C->getQualifierLoc().getNestedNameSpecifier());
577   Profiler->VisitName(C->getNameInfo().getName());
578   VisitOMPClauseList(C);
579   VistOMPClauseWithPostUpdate(C);
580   for (auto *E : C->privates()) {
581     if (E)
582       Profiler->VisitStmt(E);
583   }
584   for (auto *E : C->lhs_exprs()) {
585     if (E)
586       Profiler->VisitStmt(E);
587   }
588   for (auto *E : C->rhs_exprs()) {
589     if (E)
590       Profiler->VisitStmt(E);
591   }
592   for (auto *E : C->reduction_ops()) {
593     if (E)
594       Profiler->VisitStmt(E);
595   }
596 }
597 void OMPClauseProfiler::VisitOMPTaskReductionClause(
598     const OMPTaskReductionClause *C) {
599   Profiler->VisitNestedNameSpecifier(
600       C->getQualifierLoc().getNestedNameSpecifier());
601   Profiler->VisitName(C->getNameInfo().getName());
602   VisitOMPClauseList(C);
603   VistOMPClauseWithPostUpdate(C);
604   for (auto *E : C->privates()) {
605     if (E)
606       Profiler->VisitStmt(E);
607   }
608   for (auto *E : C->lhs_exprs()) {
609     if (E)
610       Profiler->VisitStmt(E);
611   }
612   for (auto *E : C->rhs_exprs()) {
613     if (E)
614       Profiler->VisitStmt(E);
615   }
616   for (auto *E : C->reduction_ops()) {
617     if (E)
618       Profiler->VisitStmt(E);
619   }
620 }
621 void OMPClauseProfiler::VisitOMPInReductionClause(
622     const OMPInReductionClause *C) {
623   Profiler->VisitNestedNameSpecifier(
624       C->getQualifierLoc().getNestedNameSpecifier());
625   Profiler->VisitName(C->getNameInfo().getName());
626   VisitOMPClauseList(C);
627   VistOMPClauseWithPostUpdate(C);
628   for (auto *E : C->privates()) {
629     if (E)
630       Profiler->VisitStmt(E);
631   }
632   for (auto *E : C->lhs_exprs()) {
633     if (E)
634       Profiler->VisitStmt(E);
635   }
636   for (auto *E : C->rhs_exprs()) {
637     if (E)
638       Profiler->VisitStmt(E);
639   }
640   for (auto *E : C->reduction_ops()) {
641     if (E)
642       Profiler->VisitStmt(E);
643   }
644   for (auto *E : C->taskgroup_descriptors()) {
645     if (E)
646       Profiler->VisitStmt(E);
647   }
648 }
649 void OMPClauseProfiler::VisitOMPLinearClause(const OMPLinearClause *C) {
650   VisitOMPClauseList(C);
651   VistOMPClauseWithPostUpdate(C);
652   for (auto *E : C->privates()) {
653     if (E)
654       Profiler->VisitStmt(E);
655   }
656   for (auto *E : C->inits()) {
657     if (E)
658       Profiler->VisitStmt(E);
659   }
660   for (auto *E : C->updates()) {
661     if (E)
662       Profiler->VisitStmt(E);
663   }
664   for (auto *E : C->finals()) {
665     if (E)
666       Profiler->VisitStmt(E);
667   }
668   if (C->getStep())
669     Profiler->VisitStmt(C->getStep());
670   if (C->getCalcStep())
671     Profiler->VisitStmt(C->getCalcStep());
672 }
673 void OMPClauseProfiler::VisitOMPAlignedClause(const OMPAlignedClause *C) {
674   VisitOMPClauseList(C);
675   if (C->getAlignment())
676     Profiler->VisitStmt(C->getAlignment());
677 }
678 void OMPClauseProfiler::VisitOMPCopyinClause(const OMPCopyinClause *C) {
679   VisitOMPClauseList(C);
680   for (auto *E : C->source_exprs()) {
681     if (E)
682       Profiler->VisitStmt(E);
683   }
684   for (auto *E : C->destination_exprs()) {
685     if (E)
686       Profiler->VisitStmt(E);
687   }
688   for (auto *E : C->assignment_ops()) {
689     if (E)
690       Profiler->VisitStmt(E);
691   }
692 }
693 void
694 OMPClauseProfiler::VisitOMPCopyprivateClause(const OMPCopyprivateClause *C) {
695   VisitOMPClauseList(C);
696   for (auto *E : C->source_exprs()) {
697     if (E)
698       Profiler->VisitStmt(E);
699   }
700   for (auto *E : C->destination_exprs()) {
701     if (E)
702       Profiler->VisitStmt(E);
703   }
704   for (auto *E : C->assignment_ops()) {
705     if (E)
706       Profiler->VisitStmt(E);
707   }
708 }
709 void OMPClauseProfiler::VisitOMPFlushClause(const OMPFlushClause *C) {
710   VisitOMPClauseList(C);
711 }
712 void OMPClauseProfiler::VisitOMPDependClause(const OMPDependClause *C) {
713   VisitOMPClauseList(C);
714 }
715 void OMPClauseProfiler::VisitOMPDeviceClause(const OMPDeviceClause *C) {
716   if (C->getDevice())
717     Profiler->VisitStmt(C->getDevice());
718 }
719 void OMPClauseProfiler::VisitOMPMapClause(const OMPMapClause *C) {
720   VisitOMPClauseList(C);
721 }
722 void OMPClauseProfiler::VisitOMPAllocateClause(const OMPAllocateClause *C) {
723   if (Expr *Allocator = C->getAllocator())
724     Profiler->VisitStmt(Allocator);
725   VisitOMPClauseList(C);
726 }
727 void OMPClauseProfiler::VisitOMPNumTeamsClause(const OMPNumTeamsClause *C) {
728   VistOMPClauseWithPreInit(C);
729   if (C->getNumTeams())
730     Profiler->VisitStmt(C->getNumTeams());
731 }
732 void OMPClauseProfiler::VisitOMPThreadLimitClause(
733     const OMPThreadLimitClause *C) {
734   VistOMPClauseWithPreInit(C);
735   if (C->getThreadLimit())
736     Profiler->VisitStmt(C->getThreadLimit());
737 }
738 void OMPClauseProfiler::VisitOMPPriorityClause(const OMPPriorityClause *C) {
739   if (C->getPriority())
740     Profiler->VisitStmt(C->getPriority());
741 }
742 void OMPClauseProfiler::VisitOMPGrainsizeClause(const OMPGrainsizeClause *C) {
743   if (C->getGrainsize())
744     Profiler->VisitStmt(C->getGrainsize());
745 }
746 void OMPClauseProfiler::VisitOMPNumTasksClause(const OMPNumTasksClause *C) {
747   if (C->getNumTasks())
748     Profiler->VisitStmt(C->getNumTasks());
749 }
750 void OMPClauseProfiler::VisitOMPHintClause(const OMPHintClause *C) {
751   if (C->getHint())
752     Profiler->VisitStmt(C->getHint());
753 }
754 void OMPClauseProfiler::VisitOMPToClause(const OMPToClause *C) {
755   VisitOMPClauseList(C);
756 }
757 void OMPClauseProfiler::VisitOMPFromClause(const OMPFromClause *C) {
758   VisitOMPClauseList(C);
759 }
760 void OMPClauseProfiler::VisitOMPUseDevicePtrClause(
761     const OMPUseDevicePtrClause *C) {
762   VisitOMPClauseList(C);
763 }
764 void OMPClauseProfiler::VisitOMPIsDevicePtrClause(
765     const OMPIsDevicePtrClause *C) {
766   VisitOMPClauseList(C);
767 }
768 }
769 
770 void
771 StmtProfiler::VisitOMPExecutableDirective(const OMPExecutableDirective *S) {
772   VisitStmt(S);
773   OMPClauseProfiler P(this);
774   ArrayRef<OMPClause *> Clauses = S->clauses();
775   for (ArrayRef<OMPClause *>::iterator I = Clauses.begin(), E = Clauses.end();
776        I != E; ++I)
777     if (*I)
778       P.Visit(*I);
779 }
780 
781 void StmtProfiler::VisitOMPLoopDirective(const OMPLoopDirective *S) {
782   VisitOMPExecutableDirective(S);
783 }
784 
785 void StmtProfiler::VisitOMPParallelDirective(const OMPParallelDirective *S) {
786   VisitOMPExecutableDirective(S);
787 }
788 
789 void StmtProfiler::VisitOMPSimdDirective(const OMPSimdDirective *S) {
790   VisitOMPLoopDirective(S);
791 }
792 
793 void StmtProfiler::VisitOMPForDirective(const OMPForDirective *S) {
794   VisitOMPLoopDirective(S);
795 }
796 
797 void StmtProfiler::VisitOMPForSimdDirective(const OMPForSimdDirective *S) {
798   VisitOMPLoopDirective(S);
799 }
800 
801 void StmtProfiler::VisitOMPSectionsDirective(const OMPSectionsDirective *S) {
802   VisitOMPExecutableDirective(S);
803 }
804 
805 void StmtProfiler::VisitOMPSectionDirective(const OMPSectionDirective *S) {
806   VisitOMPExecutableDirective(S);
807 }
808 
809 void StmtProfiler::VisitOMPSingleDirective(const OMPSingleDirective *S) {
810   VisitOMPExecutableDirective(S);
811 }
812 
813 void StmtProfiler::VisitOMPMasterDirective(const OMPMasterDirective *S) {
814   VisitOMPExecutableDirective(S);
815 }
816 
817 void StmtProfiler::VisitOMPCriticalDirective(const OMPCriticalDirective *S) {
818   VisitOMPExecutableDirective(S);
819   VisitName(S->getDirectiveName().getName());
820 }
821 
822 void
823 StmtProfiler::VisitOMPParallelForDirective(const OMPParallelForDirective *S) {
824   VisitOMPLoopDirective(S);
825 }
826 
827 void StmtProfiler::VisitOMPParallelForSimdDirective(
828     const OMPParallelForSimdDirective *S) {
829   VisitOMPLoopDirective(S);
830 }
831 
832 void StmtProfiler::VisitOMPParallelSectionsDirective(
833     const OMPParallelSectionsDirective *S) {
834   VisitOMPExecutableDirective(S);
835 }
836 
837 void StmtProfiler::VisitOMPTaskDirective(const OMPTaskDirective *S) {
838   VisitOMPExecutableDirective(S);
839 }
840 
841 void StmtProfiler::VisitOMPTaskyieldDirective(const OMPTaskyieldDirective *S) {
842   VisitOMPExecutableDirective(S);
843 }
844 
845 void StmtProfiler::VisitOMPBarrierDirective(const OMPBarrierDirective *S) {
846   VisitOMPExecutableDirective(S);
847 }
848 
849 void StmtProfiler::VisitOMPTaskwaitDirective(const OMPTaskwaitDirective *S) {
850   VisitOMPExecutableDirective(S);
851 }
852 
853 void StmtProfiler::VisitOMPTaskgroupDirective(const OMPTaskgroupDirective *S) {
854   VisitOMPExecutableDirective(S);
855   if (const Expr *E = S->getReductionRef())
856     VisitStmt(E);
857 }
858 
859 void StmtProfiler::VisitOMPFlushDirective(const OMPFlushDirective *S) {
860   VisitOMPExecutableDirective(S);
861 }
862 
863 void StmtProfiler::VisitOMPOrderedDirective(const OMPOrderedDirective *S) {
864   VisitOMPExecutableDirective(S);
865 }
866 
867 void StmtProfiler::VisitOMPAtomicDirective(const OMPAtomicDirective *S) {
868   VisitOMPExecutableDirective(S);
869 }
870 
871 void StmtProfiler::VisitOMPTargetDirective(const OMPTargetDirective *S) {
872   VisitOMPExecutableDirective(S);
873 }
874 
875 void StmtProfiler::VisitOMPTargetDataDirective(const OMPTargetDataDirective *S) {
876   VisitOMPExecutableDirective(S);
877 }
878 
879 void StmtProfiler::VisitOMPTargetEnterDataDirective(
880     const OMPTargetEnterDataDirective *S) {
881   VisitOMPExecutableDirective(S);
882 }
883 
884 void StmtProfiler::VisitOMPTargetExitDataDirective(
885     const OMPTargetExitDataDirective *S) {
886   VisitOMPExecutableDirective(S);
887 }
888 
889 void StmtProfiler::VisitOMPTargetParallelDirective(
890     const OMPTargetParallelDirective *S) {
891   VisitOMPExecutableDirective(S);
892 }
893 
894 void StmtProfiler::VisitOMPTargetParallelForDirective(
895     const OMPTargetParallelForDirective *S) {
896   VisitOMPExecutableDirective(S);
897 }
898 
899 void StmtProfiler::VisitOMPTeamsDirective(const OMPTeamsDirective *S) {
900   VisitOMPExecutableDirective(S);
901 }
902 
903 void StmtProfiler::VisitOMPCancellationPointDirective(
904     const OMPCancellationPointDirective *S) {
905   VisitOMPExecutableDirective(S);
906 }
907 
908 void StmtProfiler::VisitOMPCancelDirective(const OMPCancelDirective *S) {
909   VisitOMPExecutableDirective(S);
910 }
911 
912 void StmtProfiler::VisitOMPTaskLoopDirective(const OMPTaskLoopDirective *S) {
913   VisitOMPLoopDirective(S);
914 }
915 
916 void StmtProfiler::VisitOMPTaskLoopSimdDirective(
917     const OMPTaskLoopSimdDirective *S) {
918   VisitOMPLoopDirective(S);
919 }
920 
921 void StmtProfiler::VisitOMPDistributeDirective(
922     const OMPDistributeDirective *S) {
923   VisitOMPLoopDirective(S);
924 }
925 
926 void OMPClauseProfiler::VisitOMPDistScheduleClause(
927     const OMPDistScheduleClause *C) {
928   VistOMPClauseWithPreInit(C);
929   if (auto *S = C->getChunkSize())
930     Profiler->VisitStmt(S);
931 }
932 
933 void OMPClauseProfiler::VisitOMPDefaultmapClause(const OMPDefaultmapClause *) {}
934 
935 void StmtProfiler::VisitOMPTargetUpdateDirective(
936     const OMPTargetUpdateDirective *S) {
937   VisitOMPExecutableDirective(S);
938 }
939 
940 void StmtProfiler::VisitOMPDistributeParallelForDirective(
941     const OMPDistributeParallelForDirective *S) {
942   VisitOMPLoopDirective(S);
943 }
944 
945 void StmtProfiler::VisitOMPDistributeParallelForSimdDirective(
946     const OMPDistributeParallelForSimdDirective *S) {
947   VisitOMPLoopDirective(S);
948 }
949 
950 void StmtProfiler::VisitOMPDistributeSimdDirective(
951     const OMPDistributeSimdDirective *S) {
952   VisitOMPLoopDirective(S);
953 }
954 
955 void StmtProfiler::VisitOMPTargetParallelForSimdDirective(
956     const OMPTargetParallelForSimdDirective *S) {
957   VisitOMPLoopDirective(S);
958 }
959 
960 void StmtProfiler::VisitOMPTargetSimdDirective(
961     const OMPTargetSimdDirective *S) {
962   VisitOMPLoopDirective(S);
963 }
964 
965 void StmtProfiler::VisitOMPTeamsDistributeDirective(
966     const OMPTeamsDistributeDirective *S) {
967   VisitOMPLoopDirective(S);
968 }
969 
970 void StmtProfiler::VisitOMPTeamsDistributeSimdDirective(
971     const OMPTeamsDistributeSimdDirective *S) {
972   VisitOMPLoopDirective(S);
973 }
974 
975 void StmtProfiler::VisitOMPTeamsDistributeParallelForSimdDirective(
976     const OMPTeamsDistributeParallelForSimdDirective *S) {
977   VisitOMPLoopDirective(S);
978 }
979 
980 void StmtProfiler::VisitOMPTeamsDistributeParallelForDirective(
981     const OMPTeamsDistributeParallelForDirective *S) {
982   VisitOMPLoopDirective(S);
983 }
984 
985 void StmtProfiler::VisitOMPTargetTeamsDirective(
986     const OMPTargetTeamsDirective *S) {
987   VisitOMPExecutableDirective(S);
988 }
989 
990 void StmtProfiler::VisitOMPTargetTeamsDistributeDirective(
991     const OMPTargetTeamsDistributeDirective *S) {
992   VisitOMPLoopDirective(S);
993 }
994 
995 void StmtProfiler::VisitOMPTargetTeamsDistributeParallelForDirective(
996     const OMPTargetTeamsDistributeParallelForDirective *S) {
997   VisitOMPLoopDirective(S);
998 }
999 
1000 void StmtProfiler::VisitOMPTargetTeamsDistributeParallelForSimdDirective(
1001     const OMPTargetTeamsDistributeParallelForSimdDirective *S) {
1002   VisitOMPLoopDirective(S);
1003 }
1004 
1005 void StmtProfiler::VisitOMPTargetTeamsDistributeSimdDirective(
1006     const OMPTargetTeamsDistributeSimdDirective *S) {
1007   VisitOMPLoopDirective(S);
1008 }
1009 
1010 void StmtProfiler::VisitExpr(const Expr *S) {
1011   VisitStmt(S);
1012 }
1013 
1014 void StmtProfiler::VisitConstantExpr(const ConstantExpr *S) {
1015   VisitExpr(S);
1016 }
1017 
1018 void StmtProfiler::VisitDeclRefExpr(const DeclRefExpr *S) {
1019   VisitExpr(S);
1020   if (!Canonical)
1021     VisitNestedNameSpecifier(S->getQualifier());
1022   VisitDecl(S->getDecl());
1023   if (!Canonical) {
1024     ID.AddBoolean(S->hasExplicitTemplateArgs());
1025     if (S->hasExplicitTemplateArgs())
1026       VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs());
1027   }
1028 }
1029 
1030 void StmtProfiler::VisitPredefinedExpr(const PredefinedExpr *S) {
1031   VisitExpr(S);
1032   ID.AddInteger(S->getIdentKind());
1033 }
1034 
1035 void StmtProfiler::VisitIntegerLiteral(const IntegerLiteral *S) {
1036   VisitExpr(S);
1037   S->getValue().Profile(ID);
1038   ID.AddInteger(S->getType()->castAs<BuiltinType>()->getKind());
1039 }
1040 
1041 void StmtProfiler::VisitFixedPointLiteral(const FixedPointLiteral *S) {
1042   VisitExpr(S);
1043   S->getValue().Profile(ID);
1044   ID.AddInteger(S->getType()->castAs<BuiltinType>()->getKind());
1045 }
1046 
1047 void StmtProfiler::VisitCharacterLiteral(const CharacterLiteral *S) {
1048   VisitExpr(S);
1049   ID.AddInteger(S->getKind());
1050   ID.AddInteger(S->getValue());
1051 }
1052 
1053 void StmtProfiler::VisitFloatingLiteral(const FloatingLiteral *S) {
1054   VisitExpr(S);
1055   S->getValue().Profile(ID);
1056   ID.AddBoolean(S->isExact());
1057   ID.AddInteger(S->getType()->castAs<BuiltinType>()->getKind());
1058 }
1059 
1060 void StmtProfiler::VisitImaginaryLiteral(const ImaginaryLiteral *S) {
1061   VisitExpr(S);
1062 }
1063 
1064 void StmtProfiler::VisitStringLiteral(const StringLiteral *S) {
1065   VisitExpr(S);
1066   ID.AddString(S->getBytes());
1067   ID.AddInteger(S->getKind());
1068 }
1069 
1070 void StmtProfiler::VisitParenExpr(const ParenExpr *S) {
1071   VisitExpr(S);
1072 }
1073 
1074 void StmtProfiler::VisitParenListExpr(const ParenListExpr *S) {
1075   VisitExpr(S);
1076 }
1077 
1078 void StmtProfiler::VisitUnaryOperator(const UnaryOperator *S) {
1079   VisitExpr(S);
1080   ID.AddInteger(S->getOpcode());
1081 }
1082 
1083 void StmtProfiler::VisitOffsetOfExpr(const OffsetOfExpr *S) {
1084   VisitType(S->getTypeSourceInfo()->getType());
1085   unsigned n = S->getNumComponents();
1086   for (unsigned i = 0; i < n; ++i) {
1087     const OffsetOfNode &ON = S->getComponent(i);
1088     ID.AddInteger(ON.getKind());
1089     switch (ON.getKind()) {
1090     case OffsetOfNode::Array:
1091       // Expressions handled below.
1092       break;
1093 
1094     case OffsetOfNode::Field:
1095       VisitDecl(ON.getField());
1096       break;
1097 
1098     case OffsetOfNode::Identifier:
1099       VisitIdentifierInfo(ON.getFieldName());
1100       break;
1101 
1102     case OffsetOfNode::Base:
1103       // These nodes are implicit, and therefore don't need profiling.
1104       break;
1105     }
1106   }
1107 
1108   VisitExpr(S);
1109 }
1110 
1111 void
1112 StmtProfiler::VisitUnaryExprOrTypeTraitExpr(const UnaryExprOrTypeTraitExpr *S) {
1113   VisitExpr(S);
1114   ID.AddInteger(S->getKind());
1115   if (S->isArgumentType())
1116     VisitType(S->getArgumentType());
1117 }
1118 
1119 void StmtProfiler::VisitArraySubscriptExpr(const ArraySubscriptExpr *S) {
1120   VisitExpr(S);
1121 }
1122 
1123 void StmtProfiler::VisitOMPArraySectionExpr(const OMPArraySectionExpr *S) {
1124   VisitExpr(S);
1125 }
1126 
1127 void StmtProfiler::VisitCallExpr(const CallExpr *S) {
1128   VisitExpr(S);
1129 }
1130 
1131 void StmtProfiler::VisitMemberExpr(const MemberExpr *S) {
1132   VisitExpr(S);
1133   VisitDecl(S->getMemberDecl());
1134   if (!Canonical)
1135     VisitNestedNameSpecifier(S->getQualifier());
1136   ID.AddBoolean(S->isArrow());
1137 }
1138 
1139 void StmtProfiler::VisitCompoundLiteralExpr(const CompoundLiteralExpr *S) {
1140   VisitExpr(S);
1141   ID.AddBoolean(S->isFileScope());
1142 }
1143 
1144 void StmtProfiler::VisitCastExpr(const CastExpr *S) {
1145   VisitExpr(S);
1146 }
1147 
1148 void StmtProfiler::VisitImplicitCastExpr(const ImplicitCastExpr *S) {
1149   VisitCastExpr(S);
1150   ID.AddInteger(S->getValueKind());
1151 }
1152 
1153 void StmtProfiler::VisitExplicitCastExpr(const ExplicitCastExpr *S) {
1154   VisitCastExpr(S);
1155   VisitType(S->getTypeAsWritten());
1156 }
1157 
1158 void StmtProfiler::VisitCStyleCastExpr(const CStyleCastExpr *S) {
1159   VisitExplicitCastExpr(S);
1160 }
1161 
1162 void StmtProfiler::VisitBinaryOperator(const BinaryOperator *S) {
1163   VisitExpr(S);
1164   ID.AddInteger(S->getOpcode());
1165 }
1166 
1167 void
1168 StmtProfiler::VisitCompoundAssignOperator(const CompoundAssignOperator *S) {
1169   VisitBinaryOperator(S);
1170 }
1171 
1172 void StmtProfiler::VisitConditionalOperator(const ConditionalOperator *S) {
1173   VisitExpr(S);
1174 }
1175 
1176 void StmtProfiler::VisitBinaryConditionalOperator(
1177     const BinaryConditionalOperator *S) {
1178   VisitExpr(S);
1179 }
1180 
1181 void StmtProfiler::VisitAddrLabelExpr(const AddrLabelExpr *S) {
1182   VisitExpr(S);
1183   VisitDecl(S->getLabel());
1184 }
1185 
1186 void StmtProfiler::VisitStmtExpr(const StmtExpr *S) {
1187   VisitExpr(S);
1188 }
1189 
1190 void StmtProfiler::VisitShuffleVectorExpr(const ShuffleVectorExpr *S) {
1191   VisitExpr(S);
1192 }
1193 
1194 void StmtProfiler::VisitConvertVectorExpr(const ConvertVectorExpr *S) {
1195   VisitExpr(S);
1196 }
1197 
1198 void StmtProfiler::VisitChooseExpr(const ChooseExpr *S) {
1199   VisitExpr(S);
1200 }
1201 
1202 void StmtProfiler::VisitGNUNullExpr(const GNUNullExpr *S) {
1203   VisitExpr(S);
1204 }
1205 
1206 void StmtProfiler::VisitVAArgExpr(const VAArgExpr *S) {
1207   VisitExpr(S);
1208 }
1209 
1210 void StmtProfiler::VisitInitListExpr(const InitListExpr *S) {
1211   if (S->getSyntacticForm()) {
1212     VisitInitListExpr(S->getSyntacticForm());
1213     return;
1214   }
1215 
1216   VisitExpr(S);
1217 }
1218 
1219 void StmtProfiler::VisitDesignatedInitExpr(const DesignatedInitExpr *S) {
1220   VisitExpr(S);
1221   ID.AddBoolean(S->usesGNUSyntax());
1222   for (const DesignatedInitExpr::Designator &D : S->designators()) {
1223     if (D.isFieldDesignator()) {
1224       ID.AddInteger(0);
1225       VisitName(D.getFieldName());
1226       continue;
1227     }
1228 
1229     if (D.isArrayDesignator()) {
1230       ID.AddInteger(1);
1231     } else {
1232       assert(D.isArrayRangeDesignator());
1233       ID.AddInteger(2);
1234     }
1235     ID.AddInteger(D.getFirstExprIndex());
1236   }
1237 }
1238 
1239 // Seems that if VisitInitListExpr() only works on the syntactic form of an
1240 // InitListExpr, then a DesignatedInitUpdateExpr is not encountered.
1241 void StmtProfiler::VisitDesignatedInitUpdateExpr(
1242     const DesignatedInitUpdateExpr *S) {
1243   llvm_unreachable("Unexpected DesignatedInitUpdateExpr in syntactic form of "
1244                    "initializer");
1245 }
1246 
1247 void StmtProfiler::VisitArrayInitLoopExpr(const ArrayInitLoopExpr *S) {
1248   VisitExpr(S);
1249 }
1250 
1251 void StmtProfiler::VisitArrayInitIndexExpr(const ArrayInitIndexExpr *S) {
1252   VisitExpr(S);
1253 }
1254 
1255 void StmtProfiler::VisitNoInitExpr(const NoInitExpr *S) {
1256   llvm_unreachable("Unexpected NoInitExpr in syntactic form of initializer");
1257 }
1258 
1259 void StmtProfiler::VisitImplicitValueInitExpr(const ImplicitValueInitExpr *S) {
1260   VisitExpr(S);
1261 }
1262 
1263 void StmtProfiler::VisitExtVectorElementExpr(const ExtVectorElementExpr *S) {
1264   VisitExpr(S);
1265   VisitName(&S->getAccessor());
1266 }
1267 
1268 void StmtProfiler::VisitBlockExpr(const BlockExpr *S) {
1269   VisitExpr(S);
1270   VisitDecl(S->getBlockDecl());
1271 }
1272 
1273 void StmtProfiler::VisitGenericSelectionExpr(const GenericSelectionExpr *S) {
1274   VisitExpr(S);
1275   for (const GenericSelectionExpr::ConstAssociation &Assoc :
1276        S->associations()) {
1277     QualType T = Assoc.getType();
1278     if (T.isNull())
1279       ID.AddPointer(nullptr);
1280     else
1281       VisitType(T);
1282     VisitExpr(Assoc.getAssociationExpr());
1283   }
1284 }
1285 
1286 void StmtProfiler::VisitPseudoObjectExpr(const PseudoObjectExpr *S) {
1287   VisitExpr(S);
1288   for (PseudoObjectExpr::const_semantics_iterator
1289          i = S->semantics_begin(), e = S->semantics_end(); i != e; ++i)
1290     // Normally, we would not profile the source expressions of OVEs.
1291     if (const OpaqueValueExpr *OVE = dyn_cast<OpaqueValueExpr>(*i))
1292       Visit(OVE->getSourceExpr());
1293 }
1294 
1295 void StmtProfiler::VisitAtomicExpr(const AtomicExpr *S) {
1296   VisitExpr(S);
1297   ID.AddInteger(S->getOp());
1298 }
1299 
1300 static Stmt::StmtClass DecodeOperatorCall(const CXXOperatorCallExpr *S,
1301                                           UnaryOperatorKind &UnaryOp,
1302                                           BinaryOperatorKind &BinaryOp) {
1303   switch (S->getOperator()) {
1304   case OO_None:
1305   case OO_New:
1306   case OO_Delete:
1307   case OO_Array_New:
1308   case OO_Array_Delete:
1309   case OO_Arrow:
1310   case OO_Call:
1311   case OO_Conditional:
1312   case NUM_OVERLOADED_OPERATORS:
1313     llvm_unreachable("Invalid operator call kind");
1314 
1315   case OO_Plus:
1316     if (S->getNumArgs() == 1) {
1317       UnaryOp = UO_Plus;
1318       return Stmt::UnaryOperatorClass;
1319     }
1320 
1321     BinaryOp = BO_Add;
1322     return Stmt::BinaryOperatorClass;
1323 
1324   case OO_Minus:
1325     if (S->getNumArgs() == 1) {
1326       UnaryOp = UO_Minus;
1327       return Stmt::UnaryOperatorClass;
1328     }
1329 
1330     BinaryOp = BO_Sub;
1331     return Stmt::BinaryOperatorClass;
1332 
1333   case OO_Star:
1334     if (S->getNumArgs() == 1) {
1335       UnaryOp = UO_Deref;
1336       return Stmt::UnaryOperatorClass;
1337     }
1338 
1339     BinaryOp = BO_Mul;
1340     return Stmt::BinaryOperatorClass;
1341 
1342   case OO_Slash:
1343     BinaryOp = BO_Div;
1344     return Stmt::BinaryOperatorClass;
1345 
1346   case OO_Percent:
1347     BinaryOp = BO_Rem;
1348     return Stmt::BinaryOperatorClass;
1349 
1350   case OO_Caret:
1351     BinaryOp = BO_Xor;
1352     return Stmt::BinaryOperatorClass;
1353 
1354   case OO_Amp:
1355     if (S->getNumArgs() == 1) {
1356       UnaryOp = UO_AddrOf;
1357       return Stmt::UnaryOperatorClass;
1358     }
1359 
1360     BinaryOp = BO_And;
1361     return Stmt::BinaryOperatorClass;
1362 
1363   case OO_Pipe:
1364     BinaryOp = BO_Or;
1365     return Stmt::BinaryOperatorClass;
1366 
1367   case OO_Tilde:
1368     UnaryOp = UO_Not;
1369     return Stmt::UnaryOperatorClass;
1370 
1371   case OO_Exclaim:
1372     UnaryOp = UO_LNot;
1373     return Stmt::UnaryOperatorClass;
1374 
1375   case OO_Equal:
1376     BinaryOp = BO_Assign;
1377     return Stmt::BinaryOperatorClass;
1378 
1379   case OO_Less:
1380     BinaryOp = BO_LT;
1381     return Stmt::BinaryOperatorClass;
1382 
1383   case OO_Greater:
1384     BinaryOp = BO_GT;
1385     return Stmt::BinaryOperatorClass;
1386 
1387   case OO_PlusEqual:
1388     BinaryOp = BO_AddAssign;
1389     return Stmt::CompoundAssignOperatorClass;
1390 
1391   case OO_MinusEqual:
1392     BinaryOp = BO_SubAssign;
1393     return Stmt::CompoundAssignOperatorClass;
1394 
1395   case OO_StarEqual:
1396     BinaryOp = BO_MulAssign;
1397     return Stmt::CompoundAssignOperatorClass;
1398 
1399   case OO_SlashEqual:
1400     BinaryOp = BO_DivAssign;
1401     return Stmt::CompoundAssignOperatorClass;
1402 
1403   case OO_PercentEqual:
1404     BinaryOp = BO_RemAssign;
1405     return Stmt::CompoundAssignOperatorClass;
1406 
1407   case OO_CaretEqual:
1408     BinaryOp = BO_XorAssign;
1409     return Stmt::CompoundAssignOperatorClass;
1410 
1411   case OO_AmpEqual:
1412     BinaryOp = BO_AndAssign;
1413     return Stmt::CompoundAssignOperatorClass;
1414 
1415   case OO_PipeEqual:
1416     BinaryOp = BO_OrAssign;
1417     return Stmt::CompoundAssignOperatorClass;
1418 
1419   case OO_LessLess:
1420     BinaryOp = BO_Shl;
1421     return Stmt::BinaryOperatorClass;
1422 
1423   case OO_GreaterGreater:
1424     BinaryOp = BO_Shr;
1425     return Stmt::BinaryOperatorClass;
1426 
1427   case OO_LessLessEqual:
1428     BinaryOp = BO_ShlAssign;
1429     return Stmt::CompoundAssignOperatorClass;
1430 
1431   case OO_GreaterGreaterEqual:
1432     BinaryOp = BO_ShrAssign;
1433     return Stmt::CompoundAssignOperatorClass;
1434 
1435   case OO_EqualEqual:
1436     BinaryOp = BO_EQ;
1437     return Stmt::BinaryOperatorClass;
1438 
1439   case OO_ExclaimEqual:
1440     BinaryOp = BO_NE;
1441     return Stmt::BinaryOperatorClass;
1442 
1443   case OO_LessEqual:
1444     BinaryOp = BO_LE;
1445     return Stmt::BinaryOperatorClass;
1446 
1447   case OO_GreaterEqual:
1448     BinaryOp = BO_GE;
1449     return Stmt::BinaryOperatorClass;
1450 
1451   case OO_Spaceship:
1452     // FIXME: Update this once we support <=> expressions.
1453     llvm_unreachable("<=> expressions not supported yet");
1454 
1455   case OO_AmpAmp:
1456     BinaryOp = BO_LAnd;
1457     return Stmt::BinaryOperatorClass;
1458 
1459   case OO_PipePipe:
1460     BinaryOp = BO_LOr;
1461     return Stmt::BinaryOperatorClass;
1462 
1463   case OO_PlusPlus:
1464     UnaryOp = S->getNumArgs() == 1? UO_PreInc
1465                                   : UO_PostInc;
1466     return Stmt::UnaryOperatorClass;
1467 
1468   case OO_MinusMinus:
1469     UnaryOp = S->getNumArgs() == 1? UO_PreDec
1470                                   : UO_PostDec;
1471     return Stmt::UnaryOperatorClass;
1472 
1473   case OO_Comma:
1474     BinaryOp = BO_Comma;
1475     return Stmt::BinaryOperatorClass;
1476 
1477   case OO_ArrowStar:
1478     BinaryOp = BO_PtrMemI;
1479     return Stmt::BinaryOperatorClass;
1480 
1481   case OO_Subscript:
1482     return Stmt::ArraySubscriptExprClass;
1483 
1484   case OO_Coawait:
1485     UnaryOp = UO_Coawait;
1486     return Stmt::UnaryOperatorClass;
1487   }
1488 
1489   llvm_unreachable("Invalid overloaded operator expression");
1490 }
1491 
1492 #if defined(_MSC_VER) && !defined(__clang__)
1493 #if _MSC_VER == 1911
1494 // Work around https://developercommunity.visualstudio.com/content/problem/84002/clang-cl-when-built-with-vc-2017-crashes-cause-vc.html
1495 // MSVC 2017 update 3 miscompiles this function, and a clang built with it
1496 // will crash in stage 2 of a bootstrap build.
1497 #pragma optimize("", off)
1498 #endif
1499 #endif
1500 
1501 void StmtProfiler::VisitCXXOperatorCallExpr(const CXXOperatorCallExpr *S) {
1502   if (S->isTypeDependent()) {
1503     // Type-dependent operator calls are profiled like their underlying
1504     // syntactic operator.
1505     //
1506     // An operator call to operator-> is always implicit, so just skip it. The
1507     // enclosing MemberExpr will profile the actual member access.
1508     if (S->getOperator() == OO_Arrow)
1509       return Visit(S->getArg(0));
1510 
1511     UnaryOperatorKind UnaryOp = UO_Extension;
1512     BinaryOperatorKind BinaryOp = BO_Comma;
1513     Stmt::StmtClass SC = DecodeOperatorCall(S, UnaryOp, BinaryOp);
1514 
1515     ID.AddInteger(SC);
1516     for (unsigned I = 0, N = S->getNumArgs(); I != N; ++I)
1517       Visit(S->getArg(I));
1518     if (SC == Stmt::UnaryOperatorClass)
1519       ID.AddInteger(UnaryOp);
1520     else if (SC == Stmt::BinaryOperatorClass ||
1521              SC == Stmt::CompoundAssignOperatorClass)
1522       ID.AddInteger(BinaryOp);
1523     else
1524       assert(SC == Stmt::ArraySubscriptExprClass);
1525 
1526     return;
1527   }
1528 
1529   VisitCallExpr(S);
1530   ID.AddInteger(S->getOperator());
1531 }
1532 
1533 #if defined(_MSC_VER) && !defined(__clang__)
1534 #if _MSC_VER == 1911
1535 #pragma optimize("", on)
1536 #endif
1537 #endif
1538 
1539 void StmtProfiler::VisitCXXMemberCallExpr(const CXXMemberCallExpr *S) {
1540   VisitCallExpr(S);
1541 }
1542 
1543 void StmtProfiler::VisitCUDAKernelCallExpr(const CUDAKernelCallExpr *S) {
1544   VisitCallExpr(S);
1545 }
1546 
1547 void StmtProfiler::VisitAsTypeExpr(const AsTypeExpr *S) {
1548   VisitExpr(S);
1549 }
1550 
1551 void StmtProfiler::VisitCXXNamedCastExpr(const CXXNamedCastExpr *S) {
1552   VisitExplicitCastExpr(S);
1553 }
1554 
1555 void StmtProfiler::VisitCXXStaticCastExpr(const CXXStaticCastExpr *S) {
1556   VisitCXXNamedCastExpr(S);
1557 }
1558 
1559 void StmtProfiler::VisitCXXDynamicCastExpr(const CXXDynamicCastExpr *S) {
1560   VisitCXXNamedCastExpr(S);
1561 }
1562 
1563 void
1564 StmtProfiler::VisitCXXReinterpretCastExpr(const CXXReinterpretCastExpr *S) {
1565   VisitCXXNamedCastExpr(S);
1566 }
1567 
1568 void StmtProfiler::VisitCXXConstCastExpr(const CXXConstCastExpr *S) {
1569   VisitCXXNamedCastExpr(S);
1570 }
1571 
1572 void StmtProfiler::VisitBuiltinBitCastExpr(const BuiltinBitCastExpr *S) {
1573   VisitExpr(S);
1574   VisitType(S->getTypeInfoAsWritten()->getType());
1575 }
1576 
1577 void StmtProfiler::VisitUserDefinedLiteral(const UserDefinedLiteral *S) {
1578   VisitCallExpr(S);
1579 }
1580 
1581 void StmtProfiler::VisitCXXBoolLiteralExpr(const CXXBoolLiteralExpr *S) {
1582   VisitExpr(S);
1583   ID.AddBoolean(S->getValue());
1584 }
1585 
1586 void StmtProfiler::VisitCXXNullPtrLiteralExpr(const CXXNullPtrLiteralExpr *S) {
1587   VisitExpr(S);
1588 }
1589 
1590 void StmtProfiler::VisitCXXStdInitializerListExpr(
1591     const CXXStdInitializerListExpr *S) {
1592   VisitExpr(S);
1593 }
1594 
1595 void StmtProfiler::VisitCXXTypeidExpr(const CXXTypeidExpr *S) {
1596   VisitExpr(S);
1597   if (S->isTypeOperand())
1598     VisitType(S->getTypeOperandSourceInfo()->getType());
1599 }
1600 
1601 void StmtProfiler::VisitCXXUuidofExpr(const CXXUuidofExpr *S) {
1602   VisitExpr(S);
1603   if (S->isTypeOperand())
1604     VisitType(S->getTypeOperandSourceInfo()->getType());
1605 }
1606 
1607 void StmtProfiler::VisitMSPropertyRefExpr(const MSPropertyRefExpr *S) {
1608   VisitExpr(S);
1609   VisitDecl(S->getPropertyDecl());
1610 }
1611 
1612 void StmtProfiler::VisitMSPropertySubscriptExpr(
1613     const MSPropertySubscriptExpr *S) {
1614   VisitExpr(S);
1615 }
1616 
1617 void StmtProfiler::VisitCXXThisExpr(const CXXThisExpr *S) {
1618   VisitExpr(S);
1619   ID.AddBoolean(S->isImplicit());
1620 }
1621 
1622 void StmtProfiler::VisitCXXThrowExpr(const CXXThrowExpr *S) {
1623   VisitExpr(S);
1624 }
1625 
1626 void StmtProfiler::VisitCXXDefaultArgExpr(const CXXDefaultArgExpr *S) {
1627   VisitExpr(S);
1628   VisitDecl(S->getParam());
1629 }
1630 
1631 void StmtProfiler::VisitCXXDefaultInitExpr(const CXXDefaultInitExpr *S) {
1632   VisitExpr(S);
1633   VisitDecl(S->getField());
1634 }
1635 
1636 void StmtProfiler::VisitCXXBindTemporaryExpr(const CXXBindTemporaryExpr *S) {
1637   VisitExpr(S);
1638   VisitDecl(
1639          const_cast<CXXDestructorDecl *>(S->getTemporary()->getDestructor()));
1640 }
1641 
1642 void StmtProfiler::VisitCXXConstructExpr(const CXXConstructExpr *S) {
1643   VisitExpr(S);
1644   VisitDecl(S->getConstructor());
1645   ID.AddBoolean(S->isElidable());
1646 }
1647 
1648 void StmtProfiler::VisitCXXInheritedCtorInitExpr(
1649     const CXXInheritedCtorInitExpr *S) {
1650   VisitExpr(S);
1651   VisitDecl(S->getConstructor());
1652 }
1653 
1654 void StmtProfiler::VisitCXXFunctionalCastExpr(const CXXFunctionalCastExpr *S) {
1655   VisitExplicitCastExpr(S);
1656 }
1657 
1658 void
1659 StmtProfiler::VisitCXXTemporaryObjectExpr(const CXXTemporaryObjectExpr *S) {
1660   VisitCXXConstructExpr(S);
1661 }
1662 
1663 void
1664 StmtProfiler::VisitLambdaExpr(const LambdaExpr *S) {
1665   VisitExpr(S);
1666   for (LambdaExpr::capture_iterator C = S->explicit_capture_begin(),
1667                                  CEnd = S->explicit_capture_end();
1668        C != CEnd; ++C) {
1669     if (C->capturesVLAType())
1670       continue;
1671 
1672     ID.AddInteger(C->getCaptureKind());
1673     switch (C->getCaptureKind()) {
1674     case LCK_StarThis:
1675     case LCK_This:
1676       break;
1677     case LCK_ByRef:
1678     case LCK_ByCopy:
1679       VisitDecl(C->getCapturedVar());
1680       ID.AddBoolean(C->isPackExpansion());
1681       break;
1682     case LCK_VLAType:
1683       llvm_unreachable("VLA type in explicit captures.");
1684     }
1685   }
1686   // Note: If we actually needed to be able to match lambda
1687   // expressions, we would have to consider parameters and return type
1688   // here, among other things.
1689   VisitStmt(S->getBody());
1690 }
1691 
1692 void
1693 StmtProfiler::VisitCXXScalarValueInitExpr(const CXXScalarValueInitExpr *S) {
1694   VisitExpr(S);
1695 }
1696 
1697 void StmtProfiler::VisitCXXDeleteExpr(const CXXDeleteExpr *S) {
1698   VisitExpr(S);
1699   ID.AddBoolean(S->isGlobalDelete());
1700   ID.AddBoolean(S->isArrayForm());
1701   VisitDecl(S->getOperatorDelete());
1702 }
1703 
1704 void StmtProfiler::VisitCXXNewExpr(const CXXNewExpr *S) {
1705   VisitExpr(S);
1706   VisitType(S->getAllocatedType());
1707   VisitDecl(S->getOperatorNew());
1708   VisitDecl(S->getOperatorDelete());
1709   ID.AddBoolean(S->isArray());
1710   ID.AddInteger(S->getNumPlacementArgs());
1711   ID.AddBoolean(S->isGlobalNew());
1712   ID.AddBoolean(S->isParenTypeId());
1713   ID.AddInteger(S->getInitializationStyle());
1714 }
1715 
1716 void
1717 StmtProfiler::VisitCXXPseudoDestructorExpr(const CXXPseudoDestructorExpr *S) {
1718   VisitExpr(S);
1719   ID.AddBoolean(S->isArrow());
1720   VisitNestedNameSpecifier(S->getQualifier());
1721   ID.AddBoolean(S->getScopeTypeInfo() != nullptr);
1722   if (S->getScopeTypeInfo())
1723     VisitType(S->getScopeTypeInfo()->getType());
1724   ID.AddBoolean(S->getDestroyedTypeInfo() != nullptr);
1725   if (S->getDestroyedTypeInfo())
1726     VisitType(S->getDestroyedType());
1727   else
1728     VisitIdentifierInfo(S->getDestroyedTypeIdentifier());
1729 }
1730 
1731 void StmtProfiler::VisitOverloadExpr(const OverloadExpr *S) {
1732   VisitExpr(S);
1733   VisitNestedNameSpecifier(S->getQualifier());
1734   VisitName(S->getName(), /*TreatAsDecl*/ true);
1735   ID.AddBoolean(S->hasExplicitTemplateArgs());
1736   if (S->hasExplicitTemplateArgs())
1737     VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs());
1738 }
1739 
1740 void
1741 StmtProfiler::VisitUnresolvedLookupExpr(const UnresolvedLookupExpr *S) {
1742   VisitOverloadExpr(S);
1743 }
1744 
1745 void StmtProfiler::VisitTypeTraitExpr(const TypeTraitExpr *S) {
1746   VisitExpr(S);
1747   ID.AddInteger(S->getTrait());
1748   ID.AddInteger(S->getNumArgs());
1749   for (unsigned I = 0, N = S->getNumArgs(); I != N; ++I)
1750     VisitType(S->getArg(I)->getType());
1751 }
1752 
1753 void StmtProfiler::VisitArrayTypeTraitExpr(const ArrayTypeTraitExpr *S) {
1754   VisitExpr(S);
1755   ID.AddInteger(S->getTrait());
1756   VisitType(S->getQueriedType());
1757 }
1758 
1759 void StmtProfiler::VisitExpressionTraitExpr(const ExpressionTraitExpr *S) {
1760   VisitExpr(S);
1761   ID.AddInteger(S->getTrait());
1762   VisitExpr(S->getQueriedExpression());
1763 }
1764 
1765 void StmtProfiler::VisitDependentScopeDeclRefExpr(
1766     const DependentScopeDeclRefExpr *S) {
1767   VisitExpr(S);
1768   VisitName(S->getDeclName());
1769   VisitNestedNameSpecifier(S->getQualifier());
1770   ID.AddBoolean(S->hasExplicitTemplateArgs());
1771   if (S->hasExplicitTemplateArgs())
1772     VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs());
1773 }
1774 
1775 void StmtProfiler::VisitExprWithCleanups(const ExprWithCleanups *S) {
1776   VisitExpr(S);
1777 }
1778 
1779 void StmtProfiler::VisitCXXUnresolvedConstructExpr(
1780     const CXXUnresolvedConstructExpr *S) {
1781   VisitExpr(S);
1782   VisitType(S->getTypeAsWritten());
1783   ID.AddInteger(S->isListInitialization());
1784 }
1785 
1786 void StmtProfiler::VisitCXXDependentScopeMemberExpr(
1787     const CXXDependentScopeMemberExpr *S) {
1788   ID.AddBoolean(S->isImplicitAccess());
1789   if (!S->isImplicitAccess()) {
1790     VisitExpr(S);
1791     ID.AddBoolean(S->isArrow());
1792   }
1793   VisitNestedNameSpecifier(S->getQualifier());
1794   VisitName(S->getMember());
1795   ID.AddBoolean(S->hasExplicitTemplateArgs());
1796   if (S->hasExplicitTemplateArgs())
1797     VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs());
1798 }
1799 
1800 void StmtProfiler::VisitUnresolvedMemberExpr(const UnresolvedMemberExpr *S) {
1801   ID.AddBoolean(S->isImplicitAccess());
1802   if (!S->isImplicitAccess()) {
1803     VisitExpr(S);
1804     ID.AddBoolean(S->isArrow());
1805   }
1806   VisitNestedNameSpecifier(S->getQualifier());
1807   VisitName(S->getMemberName());
1808   ID.AddBoolean(S->hasExplicitTemplateArgs());
1809   if (S->hasExplicitTemplateArgs())
1810     VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs());
1811 }
1812 
1813 void StmtProfiler::VisitCXXNoexceptExpr(const CXXNoexceptExpr *S) {
1814   VisitExpr(S);
1815 }
1816 
1817 void StmtProfiler::VisitPackExpansionExpr(const PackExpansionExpr *S) {
1818   VisitExpr(S);
1819 }
1820 
1821 void StmtProfiler::VisitSizeOfPackExpr(const SizeOfPackExpr *S) {
1822   VisitExpr(S);
1823   VisitDecl(S->getPack());
1824   if (S->isPartiallySubstituted()) {
1825     auto Args = S->getPartialArguments();
1826     ID.AddInteger(Args.size());
1827     for (const auto &TA : Args)
1828       VisitTemplateArgument(TA);
1829   } else {
1830     ID.AddInteger(0);
1831   }
1832 }
1833 
1834 void StmtProfiler::VisitSubstNonTypeTemplateParmPackExpr(
1835     const SubstNonTypeTemplateParmPackExpr *S) {
1836   VisitExpr(S);
1837   VisitDecl(S->getParameterPack());
1838   VisitTemplateArgument(S->getArgumentPack());
1839 }
1840 
1841 void StmtProfiler::VisitSubstNonTypeTemplateParmExpr(
1842     const SubstNonTypeTemplateParmExpr *E) {
1843   // Profile exactly as the replacement expression.
1844   Visit(E->getReplacement());
1845 }
1846 
1847 void StmtProfiler::VisitFunctionParmPackExpr(const FunctionParmPackExpr *S) {
1848   VisitExpr(S);
1849   VisitDecl(S->getParameterPack());
1850   ID.AddInteger(S->getNumExpansions());
1851   for (FunctionParmPackExpr::iterator I = S->begin(), E = S->end(); I != E; ++I)
1852     VisitDecl(*I);
1853 }
1854 
1855 void StmtProfiler::VisitMaterializeTemporaryExpr(
1856                                            const MaterializeTemporaryExpr *S) {
1857   VisitExpr(S);
1858 }
1859 
1860 void StmtProfiler::VisitCXXFoldExpr(const CXXFoldExpr *S) {
1861   VisitExpr(S);
1862   ID.AddInteger(S->getOperator());
1863 }
1864 
1865 void StmtProfiler::VisitCoroutineBodyStmt(const CoroutineBodyStmt *S) {
1866   VisitStmt(S);
1867 }
1868 
1869 void StmtProfiler::VisitCoreturnStmt(const CoreturnStmt *S) {
1870   VisitStmt(S);
1871 }
1872 
1873 void StmtProfiler::VisitCoawaitExpr(const CoawaitExpr *S) {
1874   VisitExpr(S);
1875 }
1876 
1877 void StmtProfiler::VisitDependentCoawaitExpr(const DependentCoawaitExpr *S) {
1878   VisitExpr(S);
1879 }
1880 
1881 void StmtProfiler::VisitCoyieldExpr(const CoyieldExpr *S) {
1882   VisitExpr(S);
1883 }
1884 
1885 void StmtProfiler::VisitOpaqueValueExpr(const OpaqueValueExpr *E) {
1886   VisitExpr(E);
1887 }
1888 
1889 void StmtProfiler::VisitTypoExpr(const TypoExpr *E) {
1890   VisitExpr(E);
1891 }
1892 
1893 void StmtProfiler::VisitSourceLocExpr(const SourceLocExpr *E) {
1894   VisitExpr(E);
1895 }
1896 
1897 void StmtProfiler::VisitObjCStringLiteral(const ObjCStringLiteral *S) {
1898   VisitExpr(S);
1899 }
1900 
1901 void StmtProfiler::VisitObjCBoxedExpr(const ObjCBoxedExpr *E) {
1902   VisitExpr(E);
1903 }
1904 
1905 void StmtProfiler::VisitObjCArrayLiteral(const ObjCArrayLiteral *E) {
1906   VisitExpr(E);
1907 }
1908 
1909 void StmtProfiler::VisitObjCDictionaryLiteral(const ObjCDictionaryLiteral *E) {
1910   VisitExpr(E);
1911 }
1912 
1913 void StmtProfiler::VisitObjCEncodeExpr(const ObjCEncodeExpr *S) {
1914   VisitExpr(S);
1915   VisitType(S->getEncodedType());
1916 }
1917 
1918 void StmtProfiler::VisitObjCSelectorExpr(const ObjCSelectorExpr *S) {
1919   VisitExpr(S);
1920   VisitName(S->getSelector());
1921 }
1922 
1923 void StmtProfiler::VisitObjCProtocolExpr(const ObjCProtocolExpr *S) {
1924   VisitExpr(S);
1925   VisitDecl(S->getProtocol());
1926 }
1927 
1928 void StmtProfiler::VisitObjCIvarRefExpr(const ObjCIvarRefExpr *S) {
1929   VisitExpr(S);
1930   VisitDecl(S->getDecl());
1931   ID.AddBoolean(S->isArrow());
1932   ID.AddBoolean(S->isFreeIvar());
1933 }
1934 
1935 void StmtProfiler::VisitObjCPropertyRefExpr(const ObjCPropertyRefExpr *S) {
1936   VisitExpr(S);
1937   if (S->isImplicitProperty()) {
1938     VisitDecl(S->getImplicitPropertyGetter());
1939     VisitDecl(S->getImplicitPropertySetter());
1940   } else {
1941     VisitDecl(S->getExplicitProperty());
1942   }
1943   if (S->isSuperReceiver()) {
1944     ID.AddBoolean(S->isSuperReceiver());
1945     VisitType(S->getSuperReceiverType());
1946   }
1947 }
1948 
1949 void StmtProfiler::VisitObjCSubscriptRefExpr(const ObjCSubscriptRefExpr *S) {
1950   VisitExpr(S);
1951   VisitDecl(S->getAtIndexMethodDecl());
1952   VisitDecl(S->setAtIndexMethodDecl());
1953 }
1954 
1955 void StmtProfiler::VisitObjCMessageExpr(const ObjCMessageExpr *S) {
1956   VisitExpr(S);
1957   VisitName(S->getSelector());
1958   VisitDecl(S->getMethodDecl());
1959 }
1960 
1961 void StmtProfiler::VisitObjCIsaExpr(const ObjCIsaExpr *S) {
1962   VisitExpr(S);
1963   ID.AddBoolean(S->isArrow());
1964 }
1965 
1966 void StmtProfiler::VisitObjCBoolLiteralExpr(const ObjCBoolLiteralExpr *S) {
1967   VisitExpr(S);
1968   ID.AddBoolean(S->getValue());
1969 }
1970 
1971 void StmtProfiler::VisitObjCIndirectCopyRestoreExpr(
1972     const ObjCIndirectCopyRestoreExpr *S) {
1973   VisitExpr(S);
1974   ID.AddBoolean(S->shouldCopy());
1975 }
1976 
1977 void StmtProfiler::VisitObjCBridgedCastExpr(const ObjCBridgedCastExpr *S) {
1978   VisitExplicitCastExpr(S);
1979   ID.AddBoolean(S->getBridgeKind());
1980 }
1981 
1982 void StmtProfiler::VisitObjCAvailabilityCheckExpr(
1983     const ObjCAvailabilityCheckExpr *S) {
1984   VisitExpr(S);
1985 }
1986 
1987 void StmtProfiler::VisitTemplateArguments(const TemplateArgumentLoc *Args,
1988                                           unsigned NumArgs) {
1989   ID.AddInteger(NumArgs);
1990   for (unsigned I = 0; I != NumArgs; ++I)
1991     VisitTemplateArgument(Args[I].getArgument());
1992 }
1993 
1994 void StmtProfiler::VisitTemplateArgument(const TemplateArgument &Arg) {
1995   // Mostly repetitive with TemplateArgument::Profile!
1996   ID.AddInteger(Arg.getKind());
1997   switch (Arg.getKind()) {
1998   case TemplateArgument::Null:
1999     break;
2000 
2001   case TemplateArgument::Type:
2002     VisitType(Arg.getAsType());
2003     break;
2004 
2005   case TemplateArgument::Template:
2006   case TemplateArgument::TemplateExpansion:
2007     VisitTemplateName(Arg.getAsTemplateOrTemplatePattern());
2008     break;
2009 
2010   case TemplateArgument::Declaration:
2011     VisitDecl(Arg.getAsDecl());
2012     break;
2013 
2014   case TemplateArgument::NullPtr:
2015     VisitType(Arg.getNullPtrType());
2016     break;
2017 
2018   case TemplateArgument::Integral:
2019     Arg.getAsIntegral().Profile(ID);
2020     VisitType(Arg.getIntegralType());
2021     break;
2022 
2023   case TemplateArgument::Expression:
2024     Visit(Arg.getAsExpr());
2025     break;
2026 
2027   case TemplateArgument::Pack:
2028     for (const auto &P : Arg.pack_elements())
2029       VisitTemplateArgument(P);
2030     break;
2031   }
2032 }
2033 
2034 void Stmt::Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context,
2035                    bool Canonical) const {
2036   StmtProfilerWithPointers Profiler(ID, Context, Canonical);
2037   Profiler.Visit(this);
2038 }
2039 
2040 void Stmt::ProcessODRHash(llvm::FoldingSetNodeID &ID,
2041                           class ODRHash &Hash) const {
2042   StmtProfilerWithoutPointers Profiler(ID, Hash);
2043   Profiler.Visit(this);
2044 }
2045