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/StmtVisitor.h"
22 #include "llvm/ADT/FoldingSet.h"
23 using namespace clang;
24
25 namespace {
26 class StmtProfiler : public ConstStmtVisitor<StmtProfiler> {
27 llvm::FoldingSetNodeID &ID;
28 const ASTContext &Context;
29 bool Canonical;
30
31 public:
StmtProfiler(llvm::FoldingSetNodeID & ID,const ASTContext & Context,bool Canonical)32 StmtProfiler(llvm::FoldingSetNodeID &ID, const ASTContext &Context,
33 bool Canonical)
34 : ID(ID), Context(Context), Canonical(Canonical) { }
35
36 void VisitStmt(const Stmt *S);
37
38 #define STMT(Node, Base) void Visit##Node(const Node *S);
39 #include "clang/AST/StmtNodes.inc"
40
41 /// \brief Visit a declaration that is referenced within an expression
42 /// or statement.
43 void VisitDecl(const Decl *D);
44
45 /// \brief Visit a type that is referenced within an expression or
46 /// statement.
47 void VisitType(QualType T);
48
49 /// \brief Visit a name that occurs within an expression or statement.
50 void VisitName(DeclarationName Name);
51
52 /// \brief Visit a nested-name-specifier that occurs within an expression
53 /// or statement.
54 void VisitNestedNameSpecifier(NestedNameSpecifier *NNS);
55
56 /// \brief Visit a template name that occurs within an expression or
57 /// statement.
58 void VisitTemplateName(TemplateName Name);
59
60 /// \brief Visit template arguments that occur within an expression or
61 /// statement.
62 void VisitTemplateArguments(const TemplateArgumentLoc *Args,
63 unsigned NumArgs);
64
65 /// \brief Visit a single template argument.
66 void VisitTemplateArgument(const TemplateArgument &Arg);
67 };
68 }
69
VisitStmt(const Stmt * S)70 void StmtProfiler::VisitStmt(const Stmt *S) {
71 ID.AddInteger(S->getStmtClass());
72 for (Stmt::const_child_range C = S->children(); C; ++C) {
73 if (*C)
74 Visit(*C);
75 else
76 ID.AddInteger(0);
77 }
78 }
79
VisitDeclStmt(const DeclStmt * S)80 void StmtProfiler::VisitDeclStmt(const DeclStmt *S) {
81 VisitStmt(S);
82 for (const auto *D : S->decls())
83 VisitDecl(D);
84 }
85
VisitNullStmt(const NullStmt * S)86 void StmtProfiler::VisitNullStmt(const NullStmt *S) {
87 VisitStmt(S);
88 }
89
VisitCompoundStmt(const CompoundStmt * S)90 void StmtProfiler::VisitCompoundStmt(const CompoundStmt *S) {
91 VisitStmt(S);
92 }
93
VisitSwitchCase(const SwitchCase * S)94 void StmtProfiler::VisitSwitchCase(const SwitchCase *S) {
95 VisitStmt(S);
96 }
97
VisitCaseStmt(const CaseStmt * S)98 void StmtProfiler::VisitCaseStmt(const CaseStmt *S) {
99 VisitStmt(S);
100 }
101
VisitDefaultStmt(const DefaultStmt * S)102 void StmtProfiler::VisitDefaultStmt(const DefaultStmt *S) {
103 VisitStmt(S);
104 }
105
VisitLabelStmt(const LabelStmt * S)106 void StmtProfiler::VisitLabelStmt(const LabelStmt *S) {
107 VisitStmt(S);
108 VisitDecl(S->getDecl());
109 }
110
VisitAttributedStmt(const AttributedStmt * S)111 void StmtProfiler::VisitAttributedStmt(const AttributedStmt *S) {
112 VisitStmt(S);
113 // TODO: maybe visit attributes?
114 }
115
VisitIfStmt(const IfStmt * S)116 void StmtProfiler::VisitIfStmt(const IfStmt *S) {
117 VisitStmt(S);
118 VisitDecl(S->getConditionVariable());
119 }
120
VisitSwitchStmt(const SwitchStmt * S)121 void StmtProfiler::VisitSwitchStmt(const SwitchStmt *S) {
122 VisitStmt(S);
123 VisitDecl(S->getConditionVariable());
124 }
125
VisitWhileStmt(const WhileStmt * S)126 void StmtProfiler::VisitWhileStmt(const WhileStmt *S) {
127 VisitStmt(S);
128 VisitDecl(S->getConditionVariable());
129 }
130
VisitDoStmt(const DoStmt * S)131 void StmtProfiler::VisitDoStmt(const DoStmt *S) {
132 VisitStmt(S);
133 }
134
VisitForStmt(const ForStmt * S)135 void StmtProfiler::VisitForStmt(const ForStmt *S) {
136 VisitStmt(S);
137 }
138
VisitGotoStmt(const GotoStmt * S)139 void StmtProfiler::VisitGotoStmt(const GotoStmt *S) {
140 VisitStmt(S);
141 VisitDecl(S->getLabel());
142 }
143
VisitIndirectGotoStmt(const IndirectGotoStmt * S)144 void StmtProfiler::VisitIndirectGotoStmt(const IndirectGotoStmt *S) {
145 VisitStmt(S);
146 }
147
VisitContinueStmt(const ContinueStmt * S)148 void StmtProfiler::VisitContinueStmt(const ContinueStmt *S) {
149 VisitStmt(S);
150 }
151
VisitBreakStmt(const BreakStmt * S)152 void StmtProfiler::VisitBreakStmt(const BreakStmt *S) {
153 VisitStmt(S);
154 }
155
VisitReturnStmt(const ReturnStmt * S)156 void StmtProfiler::VisitReturnStmt(const ReturnStmt *S) {
157 VisitStmt(S);
158 }
159
VisitGCCAsmStmt(const GCCAsmStmt * S)160 void StmtProfiler::VisitGCCAsmStmt(const GCCAsmStmt *S) {
161 VisitStmt(S);
162 ID.AddBoolean(S->isVolatile());
163 ID.AddBoolean(S->isSimple());
164 VisitStringLiteral(S->getAsmString());
165 ID.AddInteger(S->getNumOutputs());
166 for (unsigned I = 0, N = S->getNumOutputs(); I != N; ++I) {
167 ID.AddString(S->getOutputName(I));
168 VisitStringLiteral(S->getOutputConstraintLiteral(I));
169 }
170 ID.AddInteger(S->getNumInputs());
171 for (unsigned I = 0, N = S->getNumInputs(); I != N; ++I) {
172 ID.AddString(S->getInputName(I));
173 VisitStringLiteral(S->getInputConstraintLiteral(I));
174 }
175 ID.AddInteger(S->getNumClobbers());
176 for (unsigned I = 0, N = S->getNumClobbers(); I != N; ++I)
177 VisitStringLiteral(S->getClobberStringLiteral(I));
178 }
179
VisitMSAsmStmt(const MSAsmStmt * S)180 void StmtProfiler::VisitMSAsmStmt(const MSAsmStmt *S) {
181 // FIXME: Implement MS style inline asm statement profiler.
182 VisitStmt(S);
183 }
184
VisitCXXCatchStmt(const CXXCatchStmt * S)185 void StmtProfiler::VisitCXXCatchStmt(const CXXCatchStmt *S) {
186 VisitStmt(S);
187 VisitType(S->getCaughtType());
188 }
189
VisitCXXTryStmt(const CXXTryStmt * S)190 void StmtProfiler::VisitCXXTryStmt(const CXXTryStmt *S) {
191 VisitStmt(S);
192 }
193
VisitCXXForRangeStmt(const CXXForRangeStmt * S)194 void StmtProfiler::VisitCXXForRangeStmt(const CXXForRangeStmt *S) {
195 VisitStmt(S);
196 }
197
VisitMSDependentExistsStmt(const MSDependentExistsStmt * S)198 void StmtProfiler::VisitMSDependentExistsStmt(const MSDependentExistsStmt *S) {
199 VisitStmt(S);
200 ID.AddBoolean(S->isIfExists());
201 VisitNestedNameSpecifier(S->getQualifierLoc().getNestedNameSpecifier());
202 VisitName(S->getNameInfo().getName());
203 }
204
VisitSEHTryStmt(const SEHTryStmt * S)205 void StmtProfiler::VisitSEHTryStmt(const SEHTryStmt *S) {
206 VisitStmt(S);
207 }
208
VisitSEHFinallyStmt(const SEHFinallyStmt * S)209 void StmtProfiler::VisitSEHFinallyStmt(const SEHFinallyStmt *S) {
210 VisitStmt(S);
211 }
212
VisitSEHExceptStmt(const SEHExceptStmt * S)213 void StmtProfiler::VisitSEHExceptStmt(const SEHExceptStmt *S) {
214 VisitStmt(S);
215 }
216
VisitSEHLeaveStmt(const SEHLeaveStmt * S)217 void StmtProfiler::VisitSEHLeaveStmt(const SEHLeaveStmt *S) {
218 VisitStmt(S);
219 }
220
VisitCapturedStmt(const CapturedStmt * S)221 void StmtProfiler::VisitCapturedStmt(const CapturedStmt *S) {
222 VisitStmt(S);
223 }
224
VisitObjCForCollectionStmt(const ObjCForCollectionStmt * S)225 void StmtProfiler::VisitObjCForCollectionStmt(const ObjCForCollectionStmt *S) {
226 VisitStmt(S);
227 }
228
VisitObjCAtCatchStmt(const ObjCAtCatchStmt * S)229 void StmtProfiler::VisitObjCAtCatchStmt(const ObjCAtCatchStmt *S) {
230 VisitStmt(S);
231 ID.AddBoolean(S->hasEllipsis());
232 if (S->getCatchParamDecl())
233 VisitType(S->getCatchParamDecl()->getType());
234 }
235
VisitObjCAtFinallyStmt(const ObjCAtFinallyStmt * S)236 void StmtProfiler::VisitObjCAtFinallyStmt(const ObjCAtFinallyStmt *S) {
237 VisitStmt(S);
238 }
239
VisitObjCAtTryStmt(const ObjCAtTryStmt * S)240 void StmtProfiler::VisitObjCAtTryStmt(const ObjCAtTryStmt *S) {
241 VisitStmt(S);
242 }
243
244 void
VisitObjCAtSynchronizedStmt(const ObjCAtSynchronizedStmt * S)245 StmtProfiler::VisitObjCAtSynchronizedStmt(const ObjCAtSynchronizedStmt *S) {
246 VisitStmt(S);
247 }
248
VisitObjCAtThrowStmt(const ObjCAtThrowStmt * S)249 void StmtProfiler::VisitObjCAtThrowStmt(const ObjCAtThrowStmt *S) {
250 VisitStmt(S);
251 }
252
253 void
VisitObjCAutoreleasePoolStmt(const ObjCAutoreleasePoolStmt * S)254 StmtProfiler::VisitObjCAutoreleasePoolStmt(const ObjCAutoreleasePoolStmt *S) {
255 VisitStmt(S);
256 }
257
258 namespace {
259 class OMPClauseProfiler : public ConstOMPClauseVisitor<OMPClauseProfiler> {
260 StmtProfiler *Profiler;
261 /// \brief Process clauses with list of variables.
262 template <typename T>
263 void VisitOMPClauseList(T *Node);
264 public:
OMPClauseProfiler(StmtProfiler * P)265 OMPClauseProfiler(StmtProfiler *P) : Profiler(P) { }
266 #define OPENMP_CLAUSE(Name, Class) \
267 void Visit##Class(const Class *C);
268 #include "clang/Basic/OpenMPKinds.def"
269 };
270
VisitOMPIfClause(const OMPIfClause * C)271 void OMPClauseProfiler::VisitOMPIfClause(const OMPIfClause *C) {
272 if (C->getCondition())
273 Profiler->VisitStmt(C->getCondition());
274 }
275
VisitOMPNumThreadsClause(const OMPNumThreadsClause * C)276 void OMPClauseProfiler::VisitOMPNumThreadsClause(const OMPNumThreadsClause *C) {
277 if (C->getNumThreads())
278 Profiler->VisitStmt(C->getNumThreads());
279 }
280
VisitOMPSafelenClause(const OMPSafelenClause * C)281 void OMPClauseProfiler::VisitOMPSafelenClause(const OMPSafelenClause *C) {
282 if (C->getSafelen())
283 Profiler->VisitStmt(C->getSafelen());
284 }
285
VisitOMPCollapseClause(const OMPCollapseClause * C)286 void OMPClauseProfiler::VisitOMPCollapseClause(const OMPCollapseClause *C) {
287 if (C->getNumForLoops())
288 Profiler->VisitStmt(C->getNumForLoops());
289 }
290
VisitOMPDefaultClause(const OMPDefaultClause * C)291 void OMPClauseProfiler::VisitOMPDefaultClause(const OMPDefaultClause *C) { }
292
VisitOMPProcBindClause(const OMPProcBindClause * C)293 void OMPClauseProfiler::VisitOMPProcBindClause(const OMPProcBindClause *C) { }
294
VisitOMPScheduleClause(const OMPScheduleClause * C)295 void OMPClauseProfiler::VisitOMPScheduleClause(const OMPScheduleClause *C) {
296 if (C->getChunkSize())
297 Profiler->VisitStmt(C->getChunkSize());
298 }
299
VisitOMPOrderedClause(const OMPOrderedClause *)300 void OMPClauseProfiler::VisitOMPOrderedClause(const OMPOrderedClause *) {}
301
VisitOMPNowaitClause(const OMPNowaitClause *)302 void OMPClauseProfiler::VisitOMPNowaitClause(const OMPNowaitClause *) {}
303
304 template<typename T>
VisitOMPClauseList(T * Node)305 void OMPClauseProfiler::VisitOMPClauseList(T *Node) {
306 for (auto *I : Node->varlists())
307 Profiler->VisitStmt(I);
308 }
309
VisitOMPPrivateClause(const OMPPrivateClause * C)310 void OMPClauseProfiler::VisitOMPPrivateClause(const OMPPrivateClause *C) {
311 VisitOMPClauseList(C);
312 }
VisitOMPFirstprivateClause(const OMPFirstprivateClause * C)313 void OMPClauseProfiler::VisitOMPFirstprivateClause(
314 const OMPFirstprivateClause *C) {
315 VisitOMPClauseList(C);
316 }
317 void
VisitOMPLastprivateClause(const OMPLastprivateClause * C)318 OMPClauseProfiler::VisitOMPLastprivateClause(const OMPLastprivateClause *C) {
319 VisitOMPClauseList(C);
320 }
VisitOMPSharedClause(const OMPSharedClause * C)321 void OMPClauseProfiler::VisitOMPSharedClause(const OMPSharedClause *C) {
322 VisitOMPClauseList(C);
323 }
VisitOMPReductionClause(const OMPReductionClause * C)324 void OMPClauseProfiler::VisitOMPReductionClause(
325 const OMPReductionClause *C) {
326 Profiler->VisitNestedNameSpecifier(
327 C->getQualifierLoc().getNestedNameSpecifier());
328 Profiler->VisitName(C->getNameInfo().getName());
329 VisitOMPClauseList(C);
330 }
VisitOMPLinearClause(const OMPLinearClause * C)331 void OMPClauseProfiler::VisitOMPLinearClause(const OMPLinearClause *C) {
332 VisitOMPClauseList(C);
333 Profiler->VisitStmt(C->getStep());
334 }
VisitOMPAlignedClause(const OMPAlignedClause * C)335 void OMPClauseProfiler::VisitOMPAlignedClause(const OMPAlignedClause *C) {
336 VisitOMPClauseList(C);
337 Profiler->VisitStmt(C->getAlignment());
338 }
VisitOMPCopyinClause(const OMPCopyinClause * C)339 void OMPClauseProfiler::VisitOMPCopyinClause(const OMPCopyinClause *C) {
340 VisitOMPClauseList(C);
341 }
342 void
VisitOMPCopyprivateClause(const OMPCopyprivateClause * C)343 OMPClauseProfiler::VisitOMPCopyprivateClause(const OMPCopyprivateClause *C) {
344 VisitOMPClauseList(C);
345 }
346 }
347
348 void
VisitOMPExecutableDirective(const OMPExecutableDirective * S)349 StmtProfiler::VisitOMPExecutableDirective(const OMPExecutableDirective *S) {
350 VisitStmt(S);
351 OMPClauseProfiler P(this);
352 ArrayRef<OMPClause *> Clauses = S->clauses();
353 for (ArrayRef<OMPClause *>::iterator I = Clauses.begin(), E = Clauses.end();
354 I != E; ++I)
355 if (*I)
356 P.Visit(*I);
357 }
358
VisitOMPParallelDirective(const OMPParallelDirective * S)359 void StmtProfiler::VisitOMPParallelDirective(const OMPParallelDirective *S) {
360 VisitOMPExecutableDirective(S);
361 }
362
VisitOMPSimdDirective(const OMPSimdDirective * S)363 void StmtProfiler::VisitOMPSimdDirective(const OMPSimdDirective *S) {
364 VisitOMPExecutableDirective(S);
365 }
366
VisitOMPForDirective(const OMPForDirective * S)367 void StmtProfiler::VisitOMPForDirective(const OMPForDirective *S) {
368 VisitOMPExecutableDirective(S);
369 }
370
VisitOMPSectionsDirective(const OMPSectionsDirective * S)371 void StmtProfiler::VisitOMPSectionsDirective(const OMPSectionsDirective *S) {
372 VisitOMPExecutableDirective(S);
373 }
374
VisitOMPSectionDirective(const OMPSectionDirective * S)375 void StmtProfiler::VisitOMPSectionDirective(const OMPSectionDirective *S) {
376 VisitOMPExecutableDirective(S);
377 }
378
VisitOMPSingleDirective(const OMPSingleDirective * S)379 void StmtProfiler::VisitOMPSingleDirective(const OMPSingleDirective *S) {
380 VisitOMPExecutableDirective(S);
381 }
382
383 void
VisitOMPParallelForDirective(const OMPParallelForDirective * S)384 StmtProfiler::VisitOMPParallelForDirective(const OMPParallelForDirective *S) {
385 VisitOMPExecutableDirective(S);
386 }
387
VisitOMPParallelSectionsDirective(const OMPParallelSectionsDirective * S)388 void StmtProfiler::VisitOMPParallelSectionsDirective(
389 const OMPParallelSectionsDirective *S) {
390 VisitOMPExecutableDirective(S);
391 }
392
VisitExpr(const Expr * S)393 void StmtProfiler::VisitExpr(const Expr *S) {
394 VisitStmt(S);
395 }
396
VisitDeclRefExpr(const DeclRefExpr * S)397 void StmtProfiler::VisitDeclRefExpr(const DeclRefExpr *S) {
398 VisitExpr(S);
399 if (!Canonical)
400 VisitNestedNameSpecifier(S->getQualifier());
401 VisitDecl(S->getDecl());
402 if (!Canonical)
403 VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs());
404 }
405
VisitPredefinedExpr(const PredefinedExpr * S)406 void StmtProfiler::VisitPredefinedExpr(const PredefinedExpr *S) {
407 VisitExpr(S);
408 ID.AddInteger(S->getIdentType());
409 }
410
VisitIntegerLiteral(const IntegerLiteral * S)411 void StmtProfiler::VisitIntegerLiteral(const IntegerLiteral *S) {
412 VisitExpr(S);
413 S->getValue().Profile(ID);
414 }
415
VisitCharacterLiteral(const CharacterLiteral * S)416 void StmtProfiler::VisitCharacterLiteral(const CharacterLiteral *S) {
417 VisitExpr(S);
418 ID.AddInteger(S->getKind());
419 ID.AddInteger(S->getValue());
420 }
421
VisitFloatingLiteral(const FloatingLiteral * S)422 void StmtProfiler::VisitFloatingLiteral(const FloatingLiteral *S) {
423 VisitExpr(S);
424 S->getValue().Profile(ID);
425 ID.AddBoolean(S->isExact());
426 }
427
VisitImaginaryLiteral(const ImaginaryLiteral * S)428 void StmtProfiler::VisitImaginaryLiteral(const ImaginaryLiteral *S) {
429 VisitExpr(S);
430 }
431
VisitStringLiteral(const StringLiteral * S)432 void StmtProfiler::VisitStringLiteral(const StringLiteral *S) {
433 VisitExpr(S);
434 ID.AddString(S->getBytes());
435 ID.AddInteger(S->getKind());
436 }
437
VisitParenExpr(const ParenExpr * S)438 void StmtProfiler::VisitParenExpr(const ParenExpr *S) {
439 VisitExpr(S);
440 }
441
VisitParenListExpr(const ParenListExpr * S)442 void StmtProfiler::VisitParenListExpr(const ParenListExpr *S) {
443 VisitExpr(S);
444 }
445
VisitUnaryOperator(const UnaryOperator * S)446 void StmtProfiler::VisitUnaryOperator(const UnaryOperator *S) {
447 VisitExpr(S);
448 ID.AddInteger(S->getOpcode());
449 }
450
VisitOffsetOfExpr(const OffsetOfExpr * S)451 void StmtProfiler::VisitOffsetOfExpr(const OffsetOfExpr *S) {
452 VisitType(S->getTypeSourceInfo()->getType());
453 unsigned n = S->getNumComponents();
454 for (unsigned i = 0; i < n; ++i) {
455 const OffsetOfExpr::OffsetOfNode& ON = S->getComponent(i);
456 ID.AddInteger(ON.getKind());
457 switch (ON.getKind()) {
458 case OffsetOfExpr::OffsetOfNode::Array:
459 // Expressions handled below.
460 break;
461
462 case OffsetOfExpr::OffsetOfNode::Field:
463 VisitDecl(ON.getField());
464 break;
465
466 case OffsetOfExpr::OffsetOfNode::Identifier:
467 ID.AddPointer(ON.getFieldName());
468 break;
469
470 case OffsetOfExpr::OffsetOfNode::Base:
471 // These nodes are implicit, and therefore don't need profiling.
472 break;
473 }
474 }
475
476 VisitExpr(S);
477 }
478
479 void
VisitUnaryExprOrTypeTraitExpr(const UnaryExprOrTypeTraitExpr * S)480 StmtProfiler::VisitUnaryExprOrTypeTraitExpr(const UnaryExprOrTypeTraitExpr *S) {
481 VisitExpr(S);
482 ID.AddInteger(S->getKind());
483 if (S->isArgumentType())
484 VisitType(S->getArgumentType());
485 }
486
VisitArraySubscriptExpr(const ArraySubscriptExpr * S)487 void StmtProfiler::VisitArraySubscriptExpr(const ArraySubscriptExpr *S) {
488 VisitExpr(S);
489 }
490
VisitCallExpr(const CallExpr * S)491 void StmtProfiler::VisitCallExpr(const CallExpr *S) {
492 VisitExpr(S);
493 }
494
VisitMemberExpr(const MemberExpr * S)495 void StmtProfiler::VisitMemberExpr(const MemberExpr *S) {
496 VisitExpr(S);
497 VisitDecl(S->getMemberDecl());
498 if (!Canonical)
499 VisitNestedNameSpecifier(S->getQualifier());
500 ID.AddBoolean(S->isArrow());
501 }
502
VisitCompoundLiteralExpr(const CompoundLiteralExpr * S)503 void StmtProfiler::VisitCompoundLiteralExpr(const CompoundLiteralExpr *S) {
504 VisitExpr(S);
505 ID.AddBoolean(S->isFileScope());
506 }
507
VisitCastExpr(const CastExpr * S)508 void StmtProfiler::VisitCastExpr(const CastExpr *S) {
509 VisitExpr(S);
510 }
511
VisitImplicitCastExpr(const ImplicitCastExpr * S)512 void StmtProfiler::VisitImplicitCastExpr(const ImplicitCastExpr *S) {
513 VisitCastExpr(S);
514 ID.AddInteger(S->getValueKind());
515 }
516
VisitExplicitCastExpr(const ExplicitCastExpr * S)517 void StmtProfiler::VisitExplicitCastExpr(const ExplicitCastExpr *S) {
518 VisitCastExpr(S);
519 VisitType(S->getTypeAsWritten());
520 }
521
VisitCStyleCastExpr(const CStyleCastExpr * S)522 void StmtProfiler::VisitCStyleCastExpr(const CStyleCastExpr *S) {
523 VisitExplicitCastExpr(S);
524 }
525
VisitBinaryOperator(const BinaryOperator * S)526 void StmtProfiler::VisitBinaryOperator(const BinaryOperator *S) {
527 VisitExpr(S);
528 ID.AddInteger(S->getOpcode());
529 }
530
531 void
VisitCompoundAssignOperator(const CompoundAssignOperator * S)532 StmtProfiler::VisitCompoundAssignOperator(const CompoundAssignOperator *S) {
533 VisitBinaryOperator(S);
534 }
535
VisitConditionalOperator(const ConditionalOperator * S)536 void StmtProfiler::VisitConditionalOperator(const ConditionalOperator *S) {
537 VisitExpr(S);
538 }
539
VisitBinaryConditionalOperator(const BinaryConditionalOperator * S)540 void StmtProfiler::VisitBinaryConditionalOperator(
541 const BinaryConditionalOperator *S) {
542 VisitExpr(S);
543 }
544
VisitAddrLabelExpr(const AddrLabelExpr * S)545 void StmtProfiler::VisitAddrLabelExpr(const AddrLabelExpr *S) {
546 VisitExpr(S);
547 VisitDecl(S->getLabel());
548 }
549
VisitStmtExpr(const StmtExpr * S)550 void StmtProfiler::VisitStmtExpr(const StmtExpr *S) {
551 VisitExpr(S);
552 }
553
VisitShuffleVectorExpr(const ShuffleVectorExpr * S)554 void StmtProfiler::VisitShuffleVectorExpr(const ShuffleVectorExpr *S) {
555 VisitExpr(S);
556 }
557
VisitConvertVectorExpr(const ConvertVectorExpr * S)558 void StmtProfiler::VisitConvertVectorExpr(const ConvertVectorExpr *S) {
559 VisitExpr(S);
560 }
561
VisitChooseExpr(const ChooseExpr * S)562 void StmtProfiler::VisitChooseExpr(const ChooseExpr *S) {
563 VisitExpr(S);
564 }
565
VisitGNUNullExpr(const GNUNullExpr * S)566 void StmtProfiler::VisitGNUNullExpr(const GNUNullExpr *S) {
567 VisitExpr(S);
568 }
569
VisitVAArgExpr(const VAArgExpr * S)570 void StmtProfiler::VisitVAArgExpr(const VAArgExpr *S) {
571 VisitExpr(S);
572 }
573
VisitInitListExpr(const InitListExpr * S)574 void StmtProfiler::VisitInitListExpr(const InitListExpr *S) {
575 if (S->getSyntacticForm()) {
576 VisitInitListExpr(S->getSyntacticForm());
577 return;
578 }
579
580 VisitExpr(S);
581 }
582
VisitDesignatedInitExpr(const DesignatedInitExpr * S)583 void StmtProfiler::VisitDesignatedInitExpr(const DesignatedInitExpr *S) {
584 VisitExpr(S);
585 ID.AddBoolean(S->usesGNUSyntax());
586 for (DesignatedInitExpr::const_designators_iterator D =
587 S->designators_begin(), DEnd = S->designators_end();
588 D != DEnd; ++D) {
589 if (D->isFieldDesignator()) {
590 ID.AddInteger(0);
591 VisitName(D->getFieldName());
592 continue;
593 }
594
595 if (D->isArrayDesignator()) {
596 ID.AddInteger(1);
597 } else {
598 assert(D->isArrayRangeDesignator());
599 ID.AddInteger(2);
600 }
601 ID.AddInteger(D->getFirstExprIndex());
602 }
603 }
604
VisitImplicitValueInitExpr(const ImplicitValueInitExpr * S)605 void StmtProfiler::VisitImplicitValueInitExpr(const ImplicitValueInitExpr *S) {
606 VisitExpr(S);
607 }
608
VisitExtVectorElementExpr(const ExtVectorElementExpr * S)609 void StmtProfiler::VisitExtVectorElementExpr(const ExtVectorElementExpr *S) {
610 VisitExpr(S);
611 VisitName(&S->getAccessor());
612 }
613
VisitBlockExpr(const BlockExpr * S)614 void StmtProfiler::VisitBlockExpr(const BlockExpr *S) {
615 VisitExpr(S);
616 VisitDecl(S->getBlockDecl());
617 }
618
VisitGenericSelectionExpr(const GenericSelectionExpr * S)619 void StmtProfiler::VisitGenericSelectionExpr(const GenericSelectionExpr *S) {
620 VisitExpr(S);
621 for (unsigned i = 0; i != S->getNumAssocs(); ++i) {
622 QualType T = S->getAssocType(i);
623 if (T.isNull())
624 ID.AddPointer(nullptr);
625 else
626 VisitType(T);
627 VisitExpr(S->getAssocExpr(i));
628 }
629 }
630
VisitPseudoObjectExpr(const PseudoObjectExpr * S)631 void StmtProfiler::VisitPseudoObjectExpr(const PseudoObjectExpr *S) {
632 VisitExpr(S);
633 for (PseudoObjectExpr::const_semantics_iterator
634 i = S->semantics_begin(), e = S->semantics_end(); i != e; ++i)
635 // Normally, we would not profile the source expressions of OVEs.
636 if (const OpaqueValueExpr *OVE = dyn_cast<OpaqueValueExpr>(*i))
637 Visit(OVE->getSourceExpr());
638 }
639
VisitAtomicExpr(const AtomicExpr * S)640 void StmtProfiler::VisitAtomicExpr(const AtomicExpr *S) {
641 VisitExpr(S);
642 ID.AddInteger(S->getOp());
643 }
644
DecodeOperatorCall(const CXXOperatorCallExpr * S,UnaryOperatorKind & UnaryOp,BinaryOperatorKind & BinaryOp)645 static Stmt::StmtClass DecodeOperatorCall(const CXXOperatorCallExpr *S,
646 UnaryOperatorKind &UnaryOp,
647 BinaryOperatorKind &BinaryOp) {
648 switch (S->getOperator()) {
649 case OO_None:
650 case OO_New:
651 case OO_Delete:
652 case OO_Array_New:
653 case OO_Array_Delete:
654 case OO_Arrow:
655 case OO_Call:
656 case OO_Conditional:
657 case NUM_OVERLOADED_OPERATORS:
658 llvm_unreachable("Invalid operator call kind");
659
660 case OO_Plus:
661 if (S->getNumArgs() == 1) {
662 UnaryOp = UO_Plus;
663 return Stmt::UnaryOperatorClass;
664 }
665
666 BinaryOp = BO_Add;
667 return Stmt::BinaryOperatorClass;
668
669 case OO_Minus:
670 if (S->getNumArgs() == 1) {
671 UnaryOp = UO_Minus;
672 return Stmt::UnaryOperatorClass;
673 }
674
675 BinaryOp = BO_Sub;
676 return Stmt::BinaryOperatorClass;
677
678 case OO_Star:
679 if (S->getNumArgs() == 1) {
680 UnaryOp = UO_Deref;
681 return Stmt::UnaryOperatorClass;
682 }
683
684 BinaryOp = BO_Mul;
685 return Stmt::BinaryOperatorClass;
686
687 case OO_Slash:
688 BinaryOp = BO_Div;
689 return Stmt::BinaryOperatorClass;
690
691 case OO_Percent:
692 BinaryOp = BO_Rem;
693 return Stmt::BinaryOperatorClass;
694
695 case OO_Caret:
696 BinaryOp = BO_Xor;
697 return Stmt::BinaryOperatorClass;
698
699 case OO_Amp:
700 if (S->getNumArgs() == 1) {
701 UnaryOp = UO_AddrOf;
702 return Stmt::UnaryOperatorClass;
703 }
704
705 BinaryOp = BO_And;
706 return Stmt::BinaryOperatorClass;
707
708 case OO_Pipe:
709 BinaryOp = BO_Or;
710 return Stmt::BinaryOperatorClass;
711
712 case OO_Tilde:
713 UnaryOp = UO_Not;
714 return Stmt::UnaryOperatorClass;
715
716 case OO_Exclaim:
717 UnaryOp = UO_LNot;
718 return Stmt::UnaryOperatorClass;
719
720 case OO_Equal:
721 BinaryOp = BO_Assign;
722 return Stmt::BinaryOperatorClass;
723
724 case OO_Less:
725 BinaryOp = BO_LT;
726 return Stmt::BinaryOperatorClass;
727
728 case OO_Greater:
729 BinaryOp = BO_GT;
730 return Stmt::BinaryOperatorClass;
731
732 case OO_PlusEqual:
733 BinaryOp = BO_AddAssign;
734 return Stmt::CompoundAssignOperatorClass;
735
736 case OO_MinusEqual:
737 BinaryOp = BO_SubAssign;
738 return Stmt::CompoundAssignOperatorClass;
739
740 case OO_StarEqual:
741 BinaryOp = BO_MulAssign;
742 return Stmt::CompoundAssignOperatorClass;
743
744 case OO_SlashEqual:
745 BinaryOp = BO_DivAssign;
746 return Stmt::CompoundAssignOperatorClass;
747
748 case OO_PercentEqual:
749 BinaryOp = BO_RemAssign;
750 return Stmt::CompoundAssignOperatorClass;
751
752 case OO_CaretEqual:
753 BinaryOp = BO_XorAssign;
754 return Stmt::CompoundAssignOperatorClass;
755
756 case OO_AmpEqual:
757 BinaryOp = BO_AndAssign;
758 return Stmt::CompoundAssignOperatorClass;
759
760 case OO_PipeEqual:
761 BinaryOp = BO_OrAssign;
762 return Stmt::CompoundAssignOperatorClass;
763
764 case OO_LessLess:
765 BinaryOp = BO_Shl;
766 return Stmt::BinaryOperatorClass;
767
768 case OO_GreaterGreater:
769 BinaryOp = BO_Shr;
770 return Stmt::BinaryOperatorClass;
771
772 case OO_LessLessEqual:
773 BinaryOp = BO_ShlAssign;
774 return Stmt::CompoundAssignOperatorClass;
775
776 case OO_GreaterGreaterEqual:
777 BinaryOp = BO_ShrAssign;
778 return Stmt::CompoundAssignOperatorClass;
779
780 case OO_EqualEqual:
781 BinaryOp = BO_EQ;
782 return Stmt::BinaryOperatorClass;
783
784 case OO_ExclaimEqual:
785 BinaryOp = BO_NE;
786 return Stmt::BinaryOperatorClass;
787
788 case OO_LessEqual:
789 BinaryOp = BO_LE;
790 return Stmt::BinaryOperatorClass;
791
792 case OO_GreaterEqual:
793 BinaryOp = BO_GE;
794 return Stmt::BinaryOperatorClass;
795
796 case OO_AmpAmp:
797 BinaryOp = BO_LAnd;
798 return Stmt::BinaryOperatorClass;
799
800 case OO_PipePipe:
801 BinaryOp = BO_LOr;
802 return Stmt::BinaryOperatorClass;
803
804 case OO_PlusPlus:
805 UnaryOp = S->getNumArgs() == 1? UO_PreInc
806 : UO_PostInc;
807 return Stmt::UnaryOperatorClass;
808
809 case OO_MinusMinus:
810 UnaryOp = S->getNumArgs() == 1? UO_PreDec
811 : UO_PostDec;
812 return Stmt::UnaryOperatorClass;
813
814 case OO_Comma:
815 BinaryOp = BO_Comma;
816 return Stmt::BinaryOperatorClass;
817
818
819 case OO_ArrowStar:
820 BinaryOp = BO_PtrMemI;
821 return Stmt::BinaryOperatorClass;
822
823 case OO_Subscript:
824 return Stmt::ArraySubscriptExprClass;
825 }
826
827 llvm_unreachable("Invalid overloaded operator expression");
828 }
829
830
VisitCXXOperatorCallExpr(const CXXOperatorCallExpr * S)831 void StmtProfiler::VisitCXXOperatorCallExpr(const CXXOperatorCallExpr *S) {
832 if (S->isTypeDependent()) {
833 // Type-dependent operator calls are profiled like their underlying
834 // syntactic operator.
835 UnaryOperatorKind UnaryOp = UO_Extension;
836 BinaryOperatorKind BinaryOp = BO_Comma;
837 Stmt::StmtClass SC = DecodeOperatorCall(S, UnaryOp, BinaryOp);
838
839 ID.AddInteger(SC);
840 for (unsigned I = 0, N = S->getNumArgs(); I != N; ++I)
841 Visit(S->getArg(I));
842 if (SC == Stmt::UnaryOperatorClass)
843 ID.AddInteger(UnaryOp);
844 else if (SC == Stmt::BinaryOperatorClass ||
845 SC == Stmt::CompoundAssignOperatorClass)
846 ID.AddInteger(BinaryOp);
847 else
848 assert(SC == Stmt::ArraySubscriptExprClass);
849
850 return;
851 }
852
853 VisitCallExpr(S);
854 ID.AddInteger(S->getOperator());
855 }
856
VisitCXXMemberCallExpr(const CXXMemberCallExpr * S)857 void StmtProfiler::VisitCXXMemberCallExpr(const CXXMemberCallExpr *S) {
858 VisitCallExpr(S);
859 }
860
VisitCUDAKernelCallExpr(const CUDAKernelCallExpr * S)861 void StmtProfiler::VisitCUDAKernelCallExpr(const CUDAKernelCallExpr *S) {
862 VisitCallExpr(S);
863 }
864
VisitAsTypeExpr(const AsTypeExpr * S)865 void StmtProfiler::VisitAsTypeExpr(const AsTypeExpr *S) {
866 VisitExpr(S);
867 }
868
VisitCXXNamedCastExpr(const CXXNamedCastExpr * S)869 void StmtProfiler::VisitCXXNamedCastExpr(const CXXNamedCastExpr *S) {
870 VisitExplicitCastExpr(S);
871 }
872
VisitCXXStaticCastExpr(const CXXStaticCastExpr * S)873 void StmtProfiler::VisitCXXStaticCastExpr(const CXXStaticCastExpr *S) {
874 VisitCXXNamedCastExpr(S);
875 }
876
VisitCXXDynamicCastExpr(const CXXDynamicCastExpr * S)877 void StmtProfiler::VisitCXXDynamicCastExpr(const CXXDynamicCastExpr *S) {
878 VisitCXXNamedCastExpr(S);
879 }
880
881 void
VisitCXXReinterpretCastExpr(const CXXReinterpretCastExpr * S)882 StmtProfiler::VisitCXXReinterpretCastExpr(const CXXReinterpretCastExpr *S) {
883 VisitCXXNamedCastExpr(S);
884 }
885
VisitCXXConstCastExpr(const CXXConstCastExpr * S)886 void StmtProfiler::VisitCXXConstCastExpr(const CXXConstCastExpr *S) {
887 VisitCXXNamedCastExpr(S);
888 }
889
VisitUserDefinedLiteral(const UserDefinedLiteral * S)890 void StmtProfiler::VisitUserDefinedLiteral(const UserDefinedLiteral *S) {
891 VisitCallExpr(S);
892 }
893
VisitCXXBoolLiteralExpr(const CXXBoolLiteralExpr * S)894 void StmtProfiler::VisitCXXBoolLiteralExpr(const CXXBoolLiteralExpr *S) {
895 VisitExpr(S);
896 ID.AddBoolean(S->getValue());
897 }
898
VisitCXXNullPtrLiteralExpr(const CXXNullPtrLiteralExpr * S)899 void StmtProfiler::VisitCXXNullPtrLiteralExpr(const CXXNullPtrLiteralExpr *S) {
900 VisitExpr(S);
901 }
902
VisitCXXStdInitializerListExpr(const CXXStdInitializerListExpr * S)903 void StmtProfiler::VisitCXXStdInitializerListExpr(
904 const CXXStdInitializerListExpr *S) {
905 VisitExpr(S);
906 }
907
VisitCXXTypeidExpr(const CXXTypeidExpr * S)908 void StmtProfiler::VisitCXXTypeidExpr(const CXXTypeidExpr *S) {
909 VisitExpr(S);
910 if (S->isTypeOperand())
911 VisitType(S->getTypeOperandSourceInfo()->getType());
912 }
913
VisitCXXUuidofExpr(const CXXUuidofExpr * S)914 void StmtProfiler::VisitCXXUuidofExpr(const CXXUuidofExpr *S) {
915 VisitExpr(S);
916 if (S->isTypeOperand())
917 VisitType(S->getTypeOperandSourceInfo()->getType());
918 }
919
VisitMSPropertyRefExpr(const MSPropertyRefExpr * S)920 void StmtProfiler::VisitMSPropertyRefExpr(const MSPropertyRefExpr *S) {
921 VisitExpr(S);
922 VisitDecl(S->getPropertyDecl());
923 }
924
VisitCXXThisExpr(const CXXThisExpr * S)925 void StmtProfiler::VisitCXXThisExpr(const CXXThisExpr *S) {
926 VisitExpr(S);
927 ID.AddBoolean(S->isImplicit());
928 }
929
VisitCXXThrowExpr(const CXXThrowExpr * S)930 void StmtProfiler::VisitCXXThrowExpr(const CXXThrowExpr *S) {
931 VisitExpr(S);
932 }
933
VisitCXXDefaultArgExpr(const CXXDefaultArgExpr * S)934 void StmtProfiler::VisitCXXDefaultArgExpr(const CXXDefaultArgExpr *S) {
935 VisitExpr(S);
936 VisitDecl(S->getParam());
937 }
938
VisitCXXDefaultInitExpr(const CXXDefaultInitExpr * S)939 void StmtProfiler::VisitCXXDefaultInitExpr(const CXXDefaultInitExpr *S) {
940 VisitExpr(S);
941 VisitDecl(S->getField());
942 }
943
VisitCXXBindTemporaryExpr(const CXXBindTemporaryExpr * S)944 void StmtProfiler::VisitCXXBindTemporaryExpr(const CXXBindTemporaryExpr *S) {
945 VisitExpr(S);
946 VisitDecl(
947 const_cast<CXXDestructorDecl *>(S->getTemporary()->getDestructor()));
948 }
949
VisitCXXConstructExpr(const CXXConstructExpr * S)950 void StmtProfiler::VisitCXXConstructExpr(const CXXConstructExpr *S) {
951 VisitExpr(S);
952 VisitDecl(S->getConstructor());
953 ID.AddBoolean(S->isElidable());
954 }
955
VisitCXXFunctionalCastExpr(const CXXFunctionalCastExpr * S)956 void StmtProfiler::VisitCXXFunctionalCastExpr(const CXXFunctionalCastExpr *S) {
957 VisitExplicitCastExpr(S);
958 }
959
960 void
VisitCXXTemporaryObjectExpr(const CXXTemporaryObjectExpr * S)961 StmtProfiler::VisitCXXTemporaryObjectExpr(const CXXTemporaryObjectExpr *S) {
962 VisitCXXConstructExpr(S);
963 }
964
965 void
VisitLambdaExpr(const LambdaExpr * S)966 StmtProfiler::VisitLambdaExpr(const LambdaExpr *S) {
967 VisitExpr(S);
968 for (LambdaExpr::capture_iterator C = S->explicit_capture_begin(),
969 CEnd = S->explicit_capture_end();
970 C != CEnd; ++C) {
971 ID.AddInteger(C->getCaptureKind());
972 switch (C->getCaptureKind()) {
973 case LCK_This:
974 break;
975 case LCK_ByRef:
976 case LCK_ByCopy:
977 VisitDecl(C->getCapturedVar());
978 ID.AddBoolean(C->isPackExpansion());
979 break;
980 }
981 }
982 // Note: If we actually needed to be able to match lambda
983 // expressions, we would have to consider parameters and return type
984 // here, among other things.
985 VisitStmt(S->getBody());
986 }
987
988 void
VisitCXXScalarValueInitExpr(const CXXScalarValueInitExpr * S)989 StmtProfiler::VisitCXXScalarValueInitExpr(const CXXScalarValueInitExpr *S) {
990 VisitExpr(S);
991 }
992
VisitCXXDeleteExpr(const CXXDeleteExpr * S)993 void StmtProfiler::VisitCXXDeleteExpr(const CXXDeleteExpr *S) {
994 VisitExpr(S);
995 ID.AddBoolean(S->isGlobalDelete());
996 ID.AddBoolean(S->isArrayForm());
997 VisitDecl(S->getOperatorDelete());
998 }
999
1000
VisitCXXNewExpr(const CXXNewExpr * S)1001 void StmtProfiler::VisitCXXNewExpr(const CXXNewExpr *S) {
1002 VisitExpr(S);
1003 VisitType(S->getAllocatedType());
1004 VisitDecl(S->getOperatorNew());
1005 VisitDecl(S->getOperatorDelete());
1006 ID.AddBoolean(S->isArray());
1007 ID.AddInteger(S->getNumPlacementArgs());
1008 ID.AddBoolean(S->isGlobalNew());
1009 ID.AddBoolean(S->isParenTypeId());
1010 ID.AddInteger(S->getInitializationStyle());
1011 }
1012
1013 void
VisitCXXPseudoDestructorExpr(const CXXPseudoDestructorExpr * S)1014 StmtProfiler::VisitCXXPseudoDestructorExpr(const CXXPseudoDestructorExpr *S) {
1015 VisitExpr(S);
1016 ID.AddBoolean(S->isArrow());
1017 VisitNestedNameSpecifier(S->getQualifier());
1018 ID.AddBoolean(S->getScopeTypeInfo() != nullptr);
1019 if (S->getScopeTypeInfo())
1020 VisitType(S->getScopeTypeInfo()->getType());
1021 ID.AddBoolean(S->getDestroyedTypeInfo() != nullptr);
1022 if (S->getDestroyedTypeInfo())
1023 VisitType(S->getDestroyedType());
1024 else
1025 ID.AddPointer(S->getDestroyedTypeIdentifier());
1026 }
1027
VisitOverloadExpr(const OverloadExpr * S)1028 void StmtProfiler::VisitOverloadExpr(const OverloadExpr *S) {
1029 VisitExpr(S);
1030 VisitNestedNameSpecifier(S->getQualifier());
1031 VisitName(S->getName());
1032 ID.AddBoolean(S->hasExplicitTemplateArgs());
1033 if (S->hasExplicitTemplateArgs())
1034 VisitTemplateArguments(S->getExplicitTemplateArgs().getTemplateArgs(),
1035 S->getExplicitTemplateArgs().NumTemplateArgs);
1036 }
1037
1038 void
VisitUnresolvedLookupExpr(const UnresolvedLookupExpr * S)1039 StmtProfiler::VisitUnresolvedLookupExpr(const UnresolvedLookupExpr *S) {
1040 VisitOverloadExpr(S);
1041 }
1042
VisitTypeTraitExpr(const TypeTraitExpr * S)1043 void StmtProfiler::VisitTypeTraitExpr(const TypeTraitExpr *S) {
1044 VisitExpr(S);
1045 ID.AddInteger(S->getTrait());
1046 ID.AddInteger(S->getNumArgs());
1047 for (unsigned I = 0, N = S->getNumArgs(); I != N; ++I)
1048 VisitType(S->getArg(I)->getType());
1049 }
1050
VisitArrayTypeTraitExpr(const ArrayTypeTraitExpr * S)1051 void StmtProfiler::VisitArrayTypeTraitExpr(const ArrayTypeTraitExpr *S) {
1052 VisitExpr(S);
1053 ID.AddInteger(S->getTrait());
1054 VisitType(S->getQueriedType());
1055 }
1056
VisitExpressionTraitExpr(const ExpressionTraitExpr * S)1057 void StmtProfiler::VisitExpressionTraitExpr(const ExpressionTraitExpr *S) {
1058 VisitExpr(S);
1059 ID.AddInteger(S->getTrait());
1060 VisitExpr(S->getQueriedExpression());
1061 }
1062
VisitDependentScopeDeclRefExpr(const DependentScopeDeclRefExpr * S)1063 void StmtProfiler::VisitDependentScopeDeclRefExpr(
1064 const DependentScopeDeclRefExpr *S) {
1065 VisitExpr(S);
1066 VisitName(S->getDeclName());
1067 VisitNestedNameSpecifier(S->getQualifier());
1068 ID.AddBoolean(S->hasExplicitTemplateArgs());
1069 if (S->hasExplicitTemplateArgs())
1070 VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs());
1071 }
1072
VisitExprWithCleanups(const ExprWithCleanups * S)1073 void StmtProfiler::VisitExprWithCleanups(const ExprWithCleanups *S) {
1074 VisitExpr(S);
1075 }
1076
VisitCXXUnresolvedConstructExpr(const CXXUnresolvedConstructExpr * S)1077 void StmtProfiler::VisitCXXUnresolvedConstructExpr(
1078 const CXXUnresolvedConstructExpr *S) {
1079 VisitExpr(S);
1080 VisitType(S->getTypeAsWritten());
1081 }
1082
VisitCXXDependentScopeMemberExpr(const CXXDependentScopeMemberExpr * S)1083 void StmtProfiler::VisitCXXDependentScopeMemberExpr(
1084 const CXXDependentScopeMemberExpr *S) {
1085 ID.AddBoolean(S->isImplicitAccess());
1086 if (!S->isImplicitAccess()) {
1087 VisitExpr(S);
1088 ID.AddBoolean(S->isArrow());
1089 }
1090 VisitNestedNameSpecifier(S->getQualifier());
1091 VisitName(S->getMember());
1092 ID.AddBoolean(S->hasExplicitTemplateArgs());
1093 if (S->hasExplicitTemplateArgs())
1094 VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs());
1095 }
1096
VisitUnresolvedMemberExpr(const UnresolvedMemberExpr * S)1097 void StmtProfiler::VisitUnresolvedMemberExpr(const UnresolvedMemberExpr *S) {
1098 ID.AddBoolean(S->isImplicitAccess());
1099 if (!S->isImplicitAccess()) {
1100 VisitExpr(S);
1101 ID.AddBoolean(S->isArrow());
1102 }
1103 VisitNestedNameSpecifier(S->getQualifier());
1104 VisitName(S->getMemberName());
1105 ID.AddBoolean(S->hasExplicitTemplateArgs());
1106 if (S->hasExplicitTemplateArgs())
1107 VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs());
1108 }
1109
VisitCXXNoexceptExpr(const CXXNoexceptExpr * S)1110 void StmtProfiler::VisitCXXNoexceptExpr(const CXXNoexceptExpr *S) {
1111 VisitExpr(S);
1112 }
1113
VisitPackExpansionExpr(const PackExpansionExpr * S)1114 void StmtProfiler::VisitPackExpansionExpr(const PackExpansionExpr *S) {
1115 VisitExpr(S);
1116 }
1117
VisitSizeOfPackExpr(const SizeOfPackExpr * S)1118 void StmtProfiler::VisitSizeOfPackExpr(const SizeOfPackExpr *S) {
1119 VisitExpr(S);
1120 VisitDecl(S->getPack());
1121 }
1122
VisitSubstNonTypeTemplateParmPackExpr(const SubstNonTypeTemplateParmPackExpr * S)1123 void StmtProfiler::VisitSubstNonTypeTemplateParmPackExpr(
1124 const SubstNonTypeTemplateParmPackExpr *S) {
1125 VisitExpr(S);
1126 VisitDecl(S->getParameterPack());
1127 VisitTemplateArgument(S->getArgumentPack());
1128 }
1129
VisitSubstNonTypeTemplateParmExpr(const SubstNonTypeTemplateParmExpr * E)1130 void StmtProfiler::VisitSubstNonTypeTemplateParmExpr(
1131 const SubstNonTypeTemplateParmExpr *E) {
1132 // Profile exactly as the replacement expression.
1133 Visit(E->getReplacement());
1134 }
1135
VisitFunctionParmPackExpr(const FunctionParmPackExpr * S)1136 void StmtProfiler::VisitFunctionParmPackExpr(const FunctionParmPackExpr *S) {
1137 VisitExpr(S);
1138 VisitDecl(S->getParameterPack());
1139 ID.AddInteger(S->getNumExpansions());
1140 for (FunctionParmPackExpr::iterator I = S->begin(), E = S->end(); I != E; ++I)
1141 VisitDecl(*I);
1142 }
1143
VisitMaterializeTemporaryExpr(const MaterializeTemporaryExpr * S)1144 void StmtProfiler::VisitMaterializeTemporaryExpr(
1145 const MaterializeTemporaryExpr *S) {
1146 VisitExpr(S);
1147 }
1148
VisitOpaqueValueExpr(const OpaqueValueExpr * E)1149 void StmtProfiler::VisitOpaqueValueExpr(const OpaqueValueExpr *E) {
1150 VisitExpr(E);
1151 }
1152
VisitObjCStringLiteral(const ObjCStringLiteral * S)1153 void StmtProfiler::VisitObjCStringLiteral(const ObjCStringLiteral *S) {
1154 VisitExpr(S);
1155 }
1156
VisitObjCBoxedExpr(const ObjCBoxedExpr * E)1157 void StmtProfiler::VisitObjCBoxedExpr(const ObjCBoxedExpr *E) {
1158 VisitExpr(E);
1159 }
1160
VisitObjCArrayLiteral(const ObjCArrayLiteral * E)1161 void StmtProfiler::VisitObjCArrayLiteral(const ObjCArrayLiteral *E) {
1162 VisitExpr(E);
1163 }
1164
VisitObjCDictionaryLiteral(const ObjCDictionaryLiteral * E)1165 void StmtProfiler::VisitObjCDictionaryLiteral(const ObjCDictionaryLiteral *E) {
1166 VisitExpr(E);
1167 }
1168
VisitObjCEncodeExpr(const ObjCEncodeExpr * S)1169 void StmtProfiler::VisitObjCEncodeExpr(const ObjCEncodeExpr *S) {
1170 VisitExpr(S);
1171 VisitType(S->getEncodedType());
1172 }
1173
VisitObjCSelectorExpr(const ObjCSelectorExpr * S)1174 void StmtProfiler::VisitObjCSelectorExpr(const ObjCSelectorExpr *S) {
1175 VisitExpr(S);
1176 VisitName(S->getSelector());
1177 }
1178
VisitObjCProtocolExpr(const ObjCProtocolExpr * S)1179 void StmtProfiler::VisitObjCProtocolExpr(const ObjCProtocolExpr *S) {
1180 VisitExpr(S);
1181 VisitDecl(S->getProtocol());
1182 }
1183
VisitObjCIvarRefExpr(const ObjCIvarRefExpr * S)1184 void StmtProfiler::VisitObjCIvarRefExpr(const ObjCIvarRefExpr *S) {
1185 VisitExpr(S);
1186 VisitDecl(S->getDecl());
1187 ID.AddBoolean(S->isArrow());
1188 ID.AddBoolean(S->isFreeIvar());
1189 }
1190
VisitObjCPropertyRefExpr(const ObjCPropertyRefExpr * S)1191 void StmtProfiler::VisitObjCPropertyRefExpr(const ObjCPropertyRefExpr *S) {
1192 VisitExpr(S);
1193 if (S->isImplicitProperty()) {
1194 VisitDecl(S->getImplicitPropertyGetter());
1195 VisitDecl(S->getImplicitPropertySetter());
1196 } else {
1197 VisitDecl(S->getExplicitProperty());
1198 }
1199 if (S->isSuperReceiver()) {
1200 ID.AddBoolean(S->isSuperReceiver());
1201 VisitType(S->getSuperReceiverType());
1202 }
1203 }
1204
VisitObjCSubscriptRefExpr(const ObjCSubscriptRefExpr * S)1205 void StmtProfiler::VisitObjCSubscriptRefExpr(const ObjCSubscriptRefExpr *S) {
1206 VisitExpr(S);
1207 VisitDecl(S->getAtIndexMethodDecl());
1208 VisitDecl(S->setAtIndexMethodDecl());
1209 }
1210
VisitObjCMessageExpr(const ObjCMessageExpr * S)1211 void StmtProfiler::VisitObjCMessageExpr(const ObjCMessageExpr *S) {
1212 VisitExpr(S);
1213 VisitName(S->getSelector());
1214 VisitDecl(S->getMethodDecl());
1215 }
1216
VisitObjCIsaExpr(const ObjCIsaExpr * S)1217 void StmtProfiler::VisitObjCIsaExpr(const ObjCIsaExpr *S) {
1218 VisitExpr(S);
1219 ID.AddBoolean(S->isArrow());
1220 }
1221
VisitObjCBoolLiteralExpr(const ObjCBoolLiteralExpr * S)1222 void StmtProfiler::VisitObjCBoolLiteralExpr(const ObjCBoolLiteralExpr *S) {
1223 VisitExpr(S);
1224 ID.AddBoolean(S->getValue());
1225 }
1226
VisitObjCIndirectCopyRestoreExpr(const ObjCIndirectCopyRestoreExpr * S)1227 void StmtProfiler::VisitObjCIndirectCopyRestoreExpr(
1228 const ObjCIndirectCopyRestoreExpr *S) {
1229 VisitExpr(S);
1230 ID.AddBoolean(S->shouldCopy());
1231 }
1232
VisitObjCBridgedCastExpr(const ObjCBridgedCastExpr * S)1233 void StmtProfiler::VisitObjCBridgedCastExpr(const ObjCBridgedCastExpr *S) {
1234 VisitExplicitCastExpr(S);
1235 ID.AddBoolean(S->getBridgeKind());
1236 }
1237
VisitDecl(const Decl * D)1238 void StmtProfiler::VisitDecl(const Decl *D) {
1239 ID.AddInteger(D? D->getKind() : 0);
1240
1241 if (Canonical && D) {
1242 if (const NonTypeTemplateParmDecl *NTTP =
1243 dyn_cast<NonTypeTemplateParmDecl>(D)) {
1244 ID.AddInteger(NTTP->getDepth());
1245 ID.AddInteger(NTTP->getIndex());
1246 ID.AddBoolean(NTTP->isParameterPack());
1247 VisitType(NTTP->getType());
1248 return;
1249 }
1250
1251 if (const ParmVarDecl *Parm = dyn_cast<ParmVarDecl>(D)) {
1252 // The Itanium C++ ABI uses the type, scope depth, and scope
1253 // index of a parameter when mangling expressions that involve
1254 // function parameters, so we will use the parameter's type for
1255 // establishing function parameter identity. That way, our
1256 // definition of "equivalent" (per C++ [temp.over.link]) is at
1257 // least as strong as the definition of "equivalent" used for
1258 // name mangling.
1259 VisitType(Parm->getType());
1260 ID.AddInteger(Parm->getFunctionScopeDepth());
1261 ID.AddInteger(Parm->getFunctionScopeIndex());
1262 return;
1263 }
1264
1265 if (const TemplateTypeParmDecl *TTP =
1266 dyn_cast<TemplateTypeParmDecl>(D)) {
1267 ID.AddInteger(TTP->getDepth());
1268 ID.AddInteger(TTP->getIndex());
1269 ID.AddBoolean(TTP->isParameterPack());
1270 return;
1271 }
1272
1273 if (const TemplateTemplateParmDecl *TTP =
1274 dyn_cast<TemplateTemplateParmDecl>(D)) {
1275 ID.AddInteger(TTP->getDepth());
1276 ID.AddInteger(TTP->getIndex());
1277 ID.AddBoolean(TTP->isParameterPack());
1278 return;
1279 }
1280 }
1281
1282 ID.AddPointer(D? D->getCanonicalDecl() : nullptr);
1283 }
1284
VisitType(QualType T)1285 void StmtProfiler::VisitType(QualType T) {
1286 if (Canonical)
1287 T = Context.getCanonicalType(T);
1288
1289 ID.AddPointer(T.getAsOpaquePtr());
1290 }
1291
VisitName(DeclarationName Name)1292 void StmtProfiler::VisitName(DeclarationName Name) {
1293 ID.AddPointer(Name.getAsOpaquePtr());
1294 }
1295
VisitNestedNameSpecifier(NestedNameSpecifier * NNS)1296 void StmtProfiler::VisitNestedNameSpecifier(NestedNameSpecifier *NNS) {
1297 if (Canonical)
1298 NNS = Context.getCanonicalNestedNameSpecifier(NNS);
1299 ID.AddPointer(NNS);
1300 }
1301
VisitTemplateName(TemplateName Name)1302 void StmtProfiler::VisitTemplateName(TemplateName Name) {
1303 if (Canonical)
1304 Name = Context.getCanonicalTemplateName(Name);
1305
1306 Name.Profile(ID);
1307 }
1308
VisitTemplateArguments(const TemplateArgumentLoc * Args,unsigned NumArgs)1309 void StmtProfiler::VisitTemplateArguments(const TemplateArgumentLoc *Args,
1310 unsigned NumArgs) {
1311 ID.AddInteger(NumArgs);
1312 for (unsigned I = 0; I != NumArgs; ++I)
1313 VisitTemplateArgument(Args[I].getArgument());
1314 }
1315
VisitTemplateArgument(const TemplateArgument & Arg)1316 void StmtProfiler::VisitTemplateArgument(const TemplateArgument &Arg) {
1317 // Mostly repetitive with TemplateArgument::Profile!
1318 ID.AddInteger(Arg.getKind());
1319 switch (Arg.getKind()) {
1320 case TemplateArgument::Null:
1321 break;
1322
1323 case TemplateArgument::Type:
1324 VisitType(Arg.getAsType());
1325 break;
1326
1327 case TemplateArgument::Template:
1328 case TemplateArgument::TemplateExpansion:
1329 VisitTemplateName(Arg.getAsTemplateOrTemplatePattern());
1330 break;
1331
1332 case TemplateArgument::Declaration:
1333 VisitDecl(Arg.getAsDecl());
1334 break;
1335
1336 case TemplateArgument::NullPtr:
1337 VisitType(Arg.getNullPtrType());
1338 break;
1339
1340 case TemplateArgument::Integral:
1341 Arg.getAsIntegral().Profile(ID);
1342 VisitType(Arg.getIntegralType());
1343 break;
1344
1345 case TemplateArgument::Expression:
1346 Visit(Arg.getAsExpr());
1347 break;
1348
1349 case TemplateArgument::Pack:
1350 const TemplateArgument *Pack = Arg.pack_begin();
1351 for (unsigned i = 0, e = Arg.pack_size(); i != e; ++i)
1352 VisitTemplateArgument(Pack[i]);
1353 break;
1354 }
1355 }
1356
Profile(llvm::FoldingSetNodeID & ID,const ASTContext & Context,bool Canonical) const1357 void Stmt::Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context,
1358 bool Canonical) const {
1359 StmtProfiler Profiler(ID, Context, Canonical);
1360 Profiler.Visit(this);
1361 }
1362