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 (const Stmt *SubStmt : S->children()) {
73 if (SubStmt)
74 Visit(SubStmt);
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
VisitOMPFinalClause(const OMPFinalClause * C)276 void OMPClauseProfiler::VisitOMPFinalClause(const OMPFinalClause *C) {
277 if (C->getCondition())
278 Profiler->VisitStmt(C->getCondition());
279 }
280
VisitOMPNumThreadsClause(const OMPNumThreadsClause * C)281 void OMPClauseProfiler::VisitOMPNumThreadsClause(const OMPNumThreadsClause *C) {
282 if (C->getNumThreads())
283 Profiler->VisitStmt(C->getNumThreads());
284 }
285
VisitOMPSafelenClause(const OMPSafelenClause * C)286 void OMPClauseProfiler::VisitOMPSafelenClause(const OMPSafelenClause *C) {
287 if (C->getSafelen())
288 Profiler->VisitStmt(C->getSafelen());
289 }
290
VisitOMPCollapseClause(const OMPCollapseClause * C)291 void OMPClauseProfiler::VisitOMPCollapseClause(const OMPCollapseClause *C) {
292 if (C->getNumForLoops())
293 Profiler->VisitStmt(C->getNumForLoops());
294 }
295
VisitOMPDefaultClause(const OMPDefaultClause * C)296 void OMPClauseProfiler::VisitOMPDefaultClause(const OMPDefaultClause *C) { }
297
VisitOMPProcBindClause(const OMPProcBindClause * C)298 void OMPClauseProfiler::VisitOMPProcBindClause(const OMPProcBindClause *C) { }
299
VisitOMPScheduleClause(const OMPScheduleClause * C)300 void OMPClauseProfiler::VisitOMPScheduleClause(const OMPScheduleClause *C) {
301 if (C->getChunkSize()) {
302 Profiler->VisitStmt(C->getChunkSize());
303 if (C->getHelperChunkSize()) {
304 Profiler->VisitStmt(C->getChunkSize());
305 }
306 }
307 }
308
VisitOMPOrderedClause(const OMPOrderedClause *)309 void OMPClauseProfiler::VisitOMPOrderedClause(const OMPOrderedClause *) {}
310
VisitOMPNowaitClause(const OMPNowaitClause *)311 void OMPClauseProfiler::VisitOMPNowaitClause(const OMPNowaitClause *) {}
312
VisitOMPUntiedClause(const OMPUntiedClause *)313 void OMPClauseProfiler::VisitOMPUntiedClause(const OMPUntiedClause *) {}
314
VisitOMPMergeableClause(const OMPMergeableClause *)315 void OMPClauseProfiler::VisitOMPMergeableClause(const OMPMergeableClause *) {}
316
VisitOMPReadClause(const OMPReadClause *)317 void OMPClauseProfiler::VisitOMPReadClause(const OMPReadClause *) {}
318
VisitOMPWriteClause(const OMPWriteClause *)319 void OMPClauseProfiler::VisitOMPWriteClause(const OMPWriteClause *) {}
320
VisitOMPUpdateClause(const OMPUpdateClause *)321 void OMPClauseProfiler::VisitOMPUpdateClause(const OMPUpdateClause *) {}
322
VisitOMPCaptureClause(const OMPCaptureClause *)323 void OMPClauseProfiler::VisitOMPCaptureClause(const OMPCaptureClause *) {}
324
VisitOMPSeqCstClause(const OMPSeqCstClause *)325 void OMPClauseProfiler::VisitOMPSeqCstClause(const OMPSeqCstClause *) {}
326
327 template<typename T>
VisitOMPClauseList(T * Node)328 void OMPClauseProfiler::VisitOMPClauseList(T *Node) {
329 for (auto *E : Node->varlists()) {
330 Profiler->VisitStmt(E);
331 }
332 }
333
VisitOMPPrivateClause(const OMPPrivateClause * C)334 void OMPClauseProfiler::VisitOMPPrivateClause(const OMPPrivateClause *C) {
335 VisitOMPClauseList(C);
336 for (auto *E : C->private_copies()) {
337 Profiler->VisitStmt(E);
338 }
339 }
340 void
VisitOMPFirstprivateClause(const OMPFirstprivateClause * C)341 OMPClauseProfiler::VisitOMPFirstprivateClause(const OMPFirstprivateClause *C) {
342 VisitOMPClauseList(C);
343 for (auto *E : C->private_copies()) {
344 Profiler->VisitStmt(E);
345 }
346 for (auto *E : C->inits()) {
347 Profiler->VisitStmt(E);
348 }
349 }
350 void
VisitOMPLastprivateClause(const OMPLastprivateClause * C)351 OMPClauseProfiler::VisitOMPLastprivateClause(const OMPLastprivateClause *C) {
352 VisitOMPClauseList(C);
353 for (auto *E : C->source_exprs()) {
354 Profiler->VisitStmt(E);
355 }
356 for (auto *E : C->destination_exprs()) {
357 Profiler->VisitStmt(E);
358 }
359 for (auto *E : C->assignment_ops()) {
360 Profiler->VisitStmt(E);
361 }
362 }
VisitOMPSharedClause(const OMPSharedClause * C)363 void OMPClauseProfiler::VisitOMPSharedClause(const OMPSharedClause *C) {
364 VisitOMPClauseList(C);
365 }
VisitOMPReductionClause(const OMPReductionClause * C)366 void OMPClauseProfiler::VisitOMPReductionClause(
367 const OMPReductionClause *C) {
368 Profiler->VisitNestedNameSpecifier(
369 C->getQualifierLoc().getNestedNameSpecifier());
370 Profiler->VisitName(C->getNameInfo().getName());
371 VisitOMPClauseList(C);
372 for (auto *E : C->lhs_exprs()) {
373 Profiler->VisitStmt(E);
374 }
375 for (auto *E : C->rhs_exprs()) {
376 Profiler->VisitStmt(E);
377 }
378 for (auto *E : C->reduction_ops()) {
379 Profiler->VisitStmt(E);
380 }
381 }
VisitOMPLinearClause(const OMPLinearClause * C)382 void OMPClauseProfiler::VisitOMPLinearClause(const OMPLinearClause *C) {
383 VisitOMPClauseList(C);
384 for (auto *E : C->inits()) {
385 Profiler->VisitStmt(E);
386 }
387 for (auto *E : C->updates()) {
388 Profiler->VisitStmt(E);
389 }
390 for (auto *E : C->finals()) {
391 Profiler->VisitStmt(E);
392 }
393 Profiler->VisitStmt(C->getStep());
394 Profiler->VisitStmt(C->getCalcStep());
395 }
VisitOMPAlignedClause(const OMPAlignedClause * C)396 void OMPClauseProfiler::VisitOMPAlignedClause(const OMPAlignedClause *C) {
397 VisitOMPClauseList(C);
398 Profiler->VisitStmt(C->getAlignment());
399 }
VisitOMPCopyinClause(const OMPCopyinClause * C)400 void OMPClauseProfiler::VisitOMPCopyinClause(const OMPCopyinClause *C) {
401 VisitOMPClauseList(C);
402 for (auto *E : C->source_exprs()) {
403 Profiler->VisitStmt(E);
404 }
405 for (auto *E : C->destination_exprs()) {
406 Profiler->VisitStmt(E);
407 }
408 for (auto *E : C->assignment_ops()) {
409 Profiler->VisitStmt(E);
410 }
411 }
412 void
VisitOMPCopyprivateClause(const OMPCopyprivateClause * C)413 OMPClauseProfiler::VisitOMPCopyprivateClause(const OMPCopyprivateClause *C) {
414 VisitOMPClauseList(C);
415 for (auto *E : C->source_exprs()) {
416 Profiler->VisitStmt(E);
417 }
418 for (auto *E : C->destination_exprs()) {
419 Profiler->VisitStmt(E);
420 }
421 for (auto *E : C->assignment_ops()) {
422 Profiler->VisitStmt(E);
423 }
424 }
VisitOMPFlushClause(const OMPFlushClause * C)425 void OMPClauseProfiler::VisitOMPFlushClause(const OMPFlushClause *C) {
426 VisitOMPClauseList(C);
427 }
VisitOMPDependClause(const OMPDependClause * C)428 void OMPClauseProfiler::VisitOMPDependClause(const OMPDependClause *C) {
429 VisitOMPClauseList(C);
430 }
431 }
432
433 void
VisitOMPExecutableDirective(const OMPExecutableDirective * S)434 StmtProfiler::VisitOMPExecutableDirective(const OMPExecutableDirective *S) {
435 VisitStmt(S);
436 OMPClauseProfiler P(this);
437 ArrayRef<OMPClause *> Clauses = S->clauses();
438 for (ArrayRef<OMPClause *>::iterator I = Clauses.begin(), E = Clauses.end();
439 I != E; ++I)
440 if (*I)
441 P.Visit(*I);
442 }
443
VisitOMPLoopDirective(const OMPLoopDirective * S)444 void StmtProfiler::VisitOMPLoopDirective(const OMPLoopDirective *S) {
445 VisitOMPExecutableDirective(S);
446 }
447
VisitOMPParallelDirective(const OMPParallelDirective * S)448 void StmtProfiler::VisitOMPParallelDirective(const OMPParallelDirective *S) {
449 VisitOMPExecutableDirective(S);
450 }
451
VisitOMPSimdDirective(const OMPSimdDirective * S)452 void StmtProfiler::VisitOMPSimdDirective(const OMPSimdDirective *S) {
453 VisitOMPLoopDirective(S);
454 }
455
VisitOMPForDirective(const OMPForDirective * S)456 void StmtProfiler::VisitOMPForDirective(const OMPForDirective *S) {
457 VisitOMPLoopDirective(S);
458 }
459
VisitOMPForSimdDirective(const OMPForSimdDirective * S)460 void StmtProfiler::VisitOMPForSimdDirective(const OMPForSimdDirective *S) {
461 VisitOMPLoopDirective(S);
462 }
463
VisitOMPSectionsDirective(const OMPSectionsDirective * S)464 void StmtProfiler::VisitOMPSectionsDirective(const OMPSectionsDirective *S) {
465 VisitOMPExecutableDirective(S);
466 }
467
VisitOMPSectionDirective(const OMPSectionDirective * S)468 void StmtProfiler::VisitOMPSectionDirective(const OMPSectionDirective *S) {
469 VisitOMPExecutableDirective(S);
470 }
471
VisitOMPSingleDirective(const OMPSingleDirective * S)472 void StmtProfiler::VisitOMPSingleDirective(const OMPSingleDirective *S) {
473 VisitOMPExecutableDirective(S);
474 }
475
VisitOMPMasterDirective(const OMPMasterDirective * S)476 void StmtProfiler::VisitOMPMasterDirective(const OMPMasterDirective *S) {
477 VisitOMPExecutableDirective(S);
478 }
479
VisitOMPCriticalDirective(const OMPCriticalDirective * S)480 void StmtProfiler::VisitOMPCriticalDirective(const OMPCriticalDirective *S) {
481 VisitOMPExecutableDirective(S);
482 VisitName(S->getDirectiveName().getName());
483 }
484
485 void
VisitOMPParallelForDirective(const OMPParallelForDirective * S)486 StmtProfiler::VisitOMPParallelForDirective(const OMPParallelForDirective *S) {
487 VisitOMPLoopDirective(S);
488 }
489
VisitOMPParallelForSimdDirective(const OMPParallelForSimdDirective * S)490 void StmtProfiler::VisitOMPParallelForSimdDirective(
491 const OMPParallelForSimdDirective *S) {
492 VisitOMPLoopDirective(S);
493 }
494
VisitOMPParallelSectionsDirective(const OMPParallelSectionsDirective * S)495 void StmtProfiler::VisitOMPParallelSectionsDirective(
496 const OMPParallelSectionsDirective *S) {
497 VisitOMPExecutableDirective(S);
498 }
499
VisitOMPTaskDirective(const OMPTaskDirective * S)500 void StmtProfiler::VisitOMPTaskDirective(const OMPTaskDirective *S) {
501 VisitOMPExecutableDirective(S);
502 }
503
VisitOMPTaskyieldDirective(const OMPTaskyieldDirective * S)504 void StmtProfiler::VisitOMPTaskyieldDirective(const OMPTaskyieldDirective *S) {
505 VisitOMPExecutableDirective(S);
506 }
507
VisitOMPBarrierDirective(const OMPBarrierDirective * S)508 void StmtProfiler::VisitOMPBarrierDirective(const OMPBarrierDirective *S) {
509 VisitOMPExecutableDirective(S);
510 }
511
VisitOMPTaskwaitDirective(const OMPTaskwaitDirective * S)512 void StmtProfiler::VisitOMPTaskwaitDirective(const OMPTaskwaitDirective *S) {
513 VisitOMPExecutableDirective(S);
514 }
515
VisitOMPTaskgroupDirective(const OMPTaskgroupDirective * S)516 void StmtProfiler::VisitOMPTaskgroupDirective(const OMPTaskgroupDirective *S) {
517 VisitOMPExecutableDirective(S);
518 }
519
VisitOMPFlushDirective(const OMPFlushDirective * S)520 void StmtProfiler::VisitOMPFlushDirective(const OMPFlushDirective *S) {
521 VisitOMPExecutableDirective(S);
522 }
523
VisitOMPOrderedDirective(const OMPOrderedDirective * S)524 void StmtProfiler::VisitOMPOrderedDirective(const OMPOrderedDirective *S) {
525 VisitOMPExecutableDirective(S);
526 }
527
VisitOMPAtomicDirective(const OMPAtomicDirective * S)528 void StmtProfiler::VisitOMPAtomicDirective(const OMPAtomicDirective *S) {
529 VisitOMPExecutableDirective(S);
530 }
531
VisitOMPTargetDirective(const OMPTargetDirective * S)532 void StmtProfiler::VisitOMPTargetDirective(const OMPTargetDirective *S) {
533 VisitOMPExecutableDirective(S);
534 }
535
VisitOMPTeamsDirective(const OMPTeamsDirective * S)536 void StmtProfiler::VisitOMPTeamsDirective(const OMPTeamsDirective *S) {
537 VisitOMPExecutableDirective(S);
538 }
539
VisitOMPCancellationPointDirective(const OMPCancellationPointDirective * S)540 void StmtProfiler::VisitOMPCancellationPointDirective(
541 const OMPCancellationPointDirective *S) {
542 VisitOMPExecutableDirective(S);
543 }
544
VisitOMPCancelDirective(const OMPCancelDirective * S)545 void StmtProfiler::VisitOMPCancelDirective(const OMPCancelDirective *S) {
546 VisitOMPExecutableDirective(S);
547 }
548
VisitExpr(const Expr * S)549 void StmtProfiler::VisitExpr(const Expr *S) {
550 VisitStmt(S);
551 }
552
VisitDeclRefExpr(const DeclRefExpr * S)553 void StmtProfiler::VisitDeclRefExpr(const DeclRefExpr *S) {
554 VisitExpr(S);
555 if (!Canonical)
556 VisitNestedNameSpecifier(S->getQualifier());
557 VisitDecl(S->getDecl());
558 if (!Canonical)
559 VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs());
560 }
561
VisitPredefinedExpr(const PredefinedExpr * S)562 void StmtProfiler::VisitPredefinedExpr(const PredefinedExpr *S) {
563 VisitExpr(S);
564 ID.AddInteger(S->getIdentType());
565 }
566
VisitIntegerLiteral(const IntegerLiteral * S)567 void StmtProfiler::VisitIntegerLiteral(const IntegerLiteral *S) {
568 VisitExpr(S);
569 S->getValue().Profile(ID);
570 ID.AddInteger(S->getType()->castAs<BuiltinType>()->getKind());
571 }
572
VisitCharacterLiteral(const CharacterLiteral * S)573 void StmtProfiler::VisitCharacterLiteral(const CharacterLiteral *S) {
574 VisitExpr(S);
575 ID.AddInteger(S->getKind());
576 ID.AddInteger(S->getValue());
577 }
578
VisitFloatingLiteral(const FloatingLiteral * S)579 void StmtProfiler::VisitFloatingLiteral(const FloatingLiteral *S) {
580 VisitExpr(S);
581 S->getValue().Profile(ID);
582 ID.AddBoolean(S->isExact());
583 ID.AddInteger(S->getType()->castAs<BuiltinType>()->getKind());
584 }
585
VisitImaginaryLiteral(const ImaginaryLiteral * S)586 void StmtProfiler::VisitImaginaryLiteral(const ImaginaryLiteral *S) {
587 VisitExpr(S);
588 }
589
VisitStringLiteral(const StringLiteral * S)590 void StmtProfiler::VisitStringLiteral(const StringLiteral *S) {
591 VisitExpr(S);
592 ID.AddString(S->getBytes());
593 ID.AddInteger(S->getKind());
594 }
595
VisitParenExpr(const ParenExpr * S)596 void StmtProfiler::VisitParenExpr(const ParenExpr *S) {
597 VisitExpr(S);
598 }
599
VisitParenListExpr(const ParenListExpr * S)600 void StmtProfiler::VisitParenListExpr(const ParenListExpr *S) {
601 VisitExpr(S);
602 }
603
VisitUnaryOperator(const UnaryOperator * S)604 void StmtProfiler::VisitUnaryOperator(const UnaryOperator *S) {
605 VisitExpr(S);
606 ID.AddInteger(S->getOpcode());
607 }
608
VisitOffsetOfExpr(const OffsetOfExpr * S)609 void StmtProfiler::VisitOffsetOfExpr(const OffsetOfExpr *S) {
610 VisitType(S->getTypeSourceInfo()->getType());
611 unsigned n = S->getNumComponents();
612 for (unsigned i = 0; i < n; ++i) {
613 const OffsetOfExpr::OffsetOfNode& ON = S->getComponent(i);
614 ID.AddInteger(ON.getKind());
615 switch (ON.getKind()) {
616 case OffsetOfExpr::OffsetOfNode::Array:
617 // Expressions handled below.
618 break;
619
620 case OffsetOfExpr::OffsetOfNode::Field:
621 VisitDecl(ON.getField());
622 break;
623
624 case OffsetOfExpr::OffsetOfNode::Identifier:
625 ID.AddPointer(ON.getFieldName());
626 break;
627
628 case OffsetOfExpr::OffsetOfNode::Base:
629 // These nodes are implicit, and therefore don't need profiling.
630 break;
631 }
632 }
633
634 VisitExpr(S);
635 }
636
637 void
VisitUnaryExprOrTypeTraitExpr(const UnaryExprOrTypeTraitExpr * S)638 StmtProfiler::VisitUnaryExprOrTypeTraitExpr(const UnaryExprOrTypeTraitExpr *S) {
639 VisitExpr(S);
640 ID.AddInteger(S->getKind());
641 if (S->isArgumentType())
642 VisitType(S->getArgumentType());
643 }
644
VisitArraySubscriptExpr(const ArraySubscriptExpr * S)645 void StmtProfiler::VisitArraySubscriptExpr(const ArraySubscriptExpr *S) {
646 VisitExpr(S);
647 }
648
VisitCallExpr(const CallExpr * S)649 void StmtProfiler::VisitCallExpr(const CallExpr *S) {
650 VisitExpr(S);
651 }
652
VisitMemberExpr(const MemberExpr * S)653 void StmtProfiler::VisitMemberExpr(const MemberExpr *S) {
654 VisitExpr(S);
655 VisitDecl(S->getMemberDecl());
656 if (!Canonical)
657 VisitNestedNameSpecifier(S->getQualifier());
658 ID.AddBoolean(S->isArrow());
659 }
660
VisitCompoundLiteralExpr(const CompoundLiteralExpr * S)661 void StmtProfiler::VisitCompoundLiteralExpr(const CompoundLiteralExpr *S) {
662 VisitExpr(S);
663 ID.AddBoolean(S->isFileScope());
664 }
665
VisitCastExpr(const CastExpr * S)666 void StmtProfiler::VisitCastExpr(const CastExpr *S) {
667 VisitExpr(S);
668 }
669
VisitImplicitCastExpr(const ImplicitCastExpr * S)670 void StmtProfiler::VisitImplicitCastExpr(const ImplicitCastExpr *S) {
671 VisitCastExpr(S);
672 ID.AddInteger(S->getValueKind());
673 }
674
VisitExplicitCastExpr(const ExplicitCastExpr * S)675 void StmtProfiler::VisitExplicitCastExpr(const ExplicitCastExpr *S) {
676 VisitCastExpr(S);
677 VisitType(S->getTypeAsWritten());
678 }
679
VisitCStyleCastExpr(const CStyleCastExpr * S)680 void StmtProfiler::VisitCStyleCastExpr(const CStyleCastExpr *S) {
681 VisitExplicitCastExpr(S);
682 }
683
VisitBinaryOperator(const BinaryOperator * S)684 void StmtProfiler::VisitBinaryOperator(const BinaryOperator *S) {
685 VisitExpr(S);
686 ID.AddInteger(S->getOpcode());
687 }
688
689 void
VisitCompoundAssignOperator(const CompoundAssignOperator * S)690 StmtProfiler::VisitCompoundAssignOperator(const CompoundAssignOperator *S) {
691 VisitBinaryOperator(S);
692 }
693
VisitConditionalOperator(const ConditionalOperator * S)694 void StmtProfiler::VisitConditionalOperator(const ConditionalOperator *S) {
695 VisitExpr(S);
696 }
697
VisitBinaryConditionalOperator(const BinaryConditionalOperator * S)698 void StmtProfiler::VisitBinaryConditionalOperator(
699 const BinaryConditionalOperator *S) {
700 VisitExpr(S);
701 }
702
VisitAddrLabelExpr(const AddrLabelExpr * S)703 void StmtProfiler::VisitAddrLabelExpr(const AddrLabelExpr *S) {
704 VisitExpr(S);
705 VisitDecl(S->getLabel());
706 }
707
VisitStmtExpr(const StmtExpr * S)708 void StmtProfiler::VisitStmtExpr(const StmtExpr *S) {
709 VisitExpr(S);
710 }
711
VisitShuffleVectorExpr(const ShuffleVectorExpr * S)712 void StmtProfiler::VisitShuffleVectorExpr(const ShuffleVectorExpr *S) {
713 VisitExpr(S);
714 }
715
VisitConvertVectorExpr(const ConvertVectorExpr * S)716 void StmtProfiler::VisitConvertVectorExpr(const ConvertVectorExpr *S) {
717 VisitExpr(S);
718 }
719
VisitChooseExpr(const ChooseExpr * S)720 void StmtProfiler::VisitChooseExpr(const ChooseExpr *S) {
721 VisitExpr(S);
722 }
723
VisitGNUNullExpr(const GNUNullExpr * S)724 void StmtProfiler::VisitGNUNullExpr(const GNUNullExpr *S) {
725 VisitExpr(S);
726 }
727
VisitVAArgExpr(const VAArgExpr * S)728 void StmtProfiler::VisitVAArgExpr(const VAArgExpr *S) {
729 VisitExpr(S);
730 }
731
VisitInitListExpr(const InitListExpr * S)732 void StmtProfiler::VisitInitListExpr(const InitListExpr *S) {
733 if (S->getSyntacticForm()) {
734 VisitInitListExpr(S->getSyntacticForm());
735 return;
736 }
737
738 VisitExpr(S);
739 }
740
VisitDesignatedInitExpr(const DesignatedInitExpr * S)741 void StmtProfiler::VisitDesignatedInitExpr(const DesignatedInitExpr *S) {
742 VisitExpr(S);
743 ID.AddBoolean(S->usesGNUSyntax());
744 for (DesignatedInitExpr::const_designators_iterator D =
745 S->designators_begin(), DEnd = S->designators_end();
746 D != DEnd; ++D) {
747 if (D->isFieldDesignator()) {
748 ID.AddInteger(0);
749 VisitName(D->getFieldName());
750 continue;
751 }
752
753 if (D->isArrayDesignator()) {
754 ID.AddInteger(1);
755 } else {
756 assert(D->isArrayRangeDesignator());
757 ID.AddInteger(2);
758 }
759 ID.AddInteger(D->getFirstExprIndex());
760 }
761 }
762
763 // Seems that if VisitInitListExpr() only works on the syntactic form of an
764 // InitListExpr, then a DesignatedInitUpdateExpr is not encountered.
VisitDesignatedInitUpdateExpr(const DesignatedInitUpdateExpr * S)765 void StmtProfiler::VisitDesignatedInitUpdateExpr(
766 const DesignatedInitUpdateExpr *S) {
767 llvm_unreachable("Unexpected DesignatedInitUpdateExpr in syntactic form of "
768 "initializer");
769 }
770
VisitNoInitExpr(const NoInitExpr * S)771 void StmtProfiler::VisitNoInitExpr(const NoInitExpr *S) {
772 llvm_unreachable("Unexpected NoInitExpr in syntactic form of initializer");
773 }
774
VisitImplicitValueInitExpr(const ImplicitValueInitExpr * S)775 void StmtProfiler::VisitImplicitValueInitExpr(const ImplicitValueInitExpr *S) {
776 VisitExpr(S);
777 }
778
VisitExtVectorElementExpr(const ExtVectorElementExpr * S)779 void StmtProfiler::VisitExtVectorElementExpr(const ExtVectorElementExpr *S) {
780 VisitExpr(S);
781 VisitName(&S->getAccessor());
782 }
783
VisitBlockExpr(const BlockExpr * S)784 void StmtProfiler::VisitBlockExpr(const BlockExpr *S) {
785 VisitExpr(S);
786 VisitDecl(S->getBlockDecl());
787 }
788
VisitGenericSelectionExpr(const GenericSelectionExpr * S)789 void StmtProfiler::VisitGenericSelectionExpr(const GenericSelectionExpr *S) {
790 VisitExpr(S);
791 for (unsigned i = 0; i != S->getNumAssocs(); ++i) {
792 QualType T = S->getAssocType(i);
793 if (T.isNull())
794 ID.AddPointer(nullptr);
795 else
796 VisitType(T);
797 VisitExpr(S->getAssocExpr(i));
798 }
799 }
800
VisitPseudoObjectExpr(const PseudoObjectExpr * S)801 void StmtProfiler::VisitPseudoObjectExpr(const PseudoObjectExpr *S) {
802 VisitExpr(S);
803 for (PseudoObjectExpr::const_semantics_iterator
804 i = S->semantics_begin(), e = S->semantics_end(); i != e; ++i)
805 // Normally, we would not profile the source expressions of OVEs.
806 if (const OpaqueValueExpr *OVE = dyn_cast<OpaqueValueExpr>(*i))
807 Visit(OVE->getSourceExpr());
808 }
809
VisitAtomicExpr(const AtomicExpr * S)810 void StmtProfiler::VisitAtomicExpr(const AtomicExpr *S) {
811 VisitExpr(S);
812 ID.AddInteger(S->getOp());
813 }
814
DecodeOperatorCall(const CXXOperatorCallExpr * S,UnaryOperatorKind & UnaryOp,BinaryOperatorKind & BinaryOp)815 static Stmt::StmtClass DecodeOperatorCall(const CXXOperatorCallExpr *S,
816 UnaryOperatorKind &UnaryOp,
817 BinaryOperatorKind &BinaryOp) {
818 switch (S->getOperator()) {
819 case OO_None:
820 case OO_New:
821 case OO_Delete:
822 case OO_Array_New:
823 case OO_Array_Delete:
824 case OO_Arrow:
825 case OO_Call:
826 case OO_Conditional:
827 case NUM_OVERLOADED_OPERATORS:
828 llvm_unreachable("Invalid operator call kind");
829
830 case OO_Plus:
831 if (S->getNumArgs() == 1) {
832 UnaryOp = UO_Plus;
833 return Stmt::UnaryOperatorClass;
834 }
835
836 BinaryOp = BO_Add;
837 return Stmt::BinaryOperatorClass;
838
839 case OO_Minus:
840 if (S->getNumArgs() == 1) {
841 UnaryOp = UO_Minus;
842 return Stmt::UnaryOperatorClass;
843 }
844
845 BinaryOp = BO_Sub;
846 return Stmt::BinaryOperatorClass;
847
848 case OO_Star:
849 if (S->getNumArgs() == 1) {
850 UnaryOp = UO_Deref;
851 return Stmt::UnaryOperatorClass;
852 }
853
854 BinaryOp = BO_Mul;
855 return Stmt::BinaryOperatorClass;
856
857 case OO_Slash:
858 BinaryOp = BO_Div;
859 return Stmt::BinaryOperatorClass;
860
861 case OO_Percent:
862 BinaryOp = BO_Rem;
863 return Stmt::BinaryOperatorClass;
864
865 case OO_Caret:
866 BinaryOp = BO_Xor;
867 return Stmt::BinaryOperatorClass;
868
869 case OO_Amp:
870 if (S->getNumArgs() == 1) {
871 UnaryOp = UO_AddrOf;
872 return Stmt::UnaryOperatorClass;
873 }
874
875 BinaryOp = BO_And;
876 return Stmt::BinaryOperatorClass;
877
878 case OO_Pipe:
879 BinaryOp = BO_Or;
880 return Stmt::BinaryOperatorClass;
881
882 case OO_Tilde:
883 UnaryOp = UO_Not;
884 return Stmt::UnaryOperatorClass;
885
886 case OO_Exclaim:
887 UnaryOp = UO_LNot;
888 return Stmt::UnaryOperatorClass;
889
890 case OO_Equal:
891 BinaryOp = BO_Assign;
892 return Stmt::BinaryOperatorClass;
893
894 case OO_Less:
895 BinaryOp = BO_LT;
896 return Stmt::BinaryOperatorClass;
897
898 case OO_Greater:
899 BinaryOp = BO_GT;
900 return Stmt::BinaryOperatorClass;
901
902 case OO_PlusEqual:
903 BinaryOp = BO_AddAssign;
904 return Stmt::CompoundAssignOperatorClass;
905
906 case OO_MinusEqual:
907 BinaryOp = BO_SubAssign;
908 return Stmt::CompoundAssignOperatorClass;
909
910 case OO_StarEqual:
911 BinaryOp = BO_MulAssign;
912 return Stmt::CompoundAssignOperatorClass;
913
914 case OO_SlashEqual:
915 BinaryOp = BO_DivAssign;
916 return Stmt::CompoundAssignOperatorClass;
917
918 case OO_PercentEqual:
919 BinaryOp = BO_RemAssign;
920 return Stmt::CompoundAssignOperatorClass;
921
922 case OO_CaretEqual:
923 BinaryOp = BO_XorAssign;
924 return Stmt::CompoundAssignOperatorClass;
925
926 case OO_AmpEqual:
927 BinaryOp = BO_AndAssign;
928 return Stmt::CompoundAssignOperatorClass;
929
930 case OO_PipeEqual:
931 BinaryOp = BO_OrAssign;
932 return Stmt::CompoundAssignOperatorClass;
933
934 case OO_LessLess:
935 BinaryOp = BO_Shl;
936 return Stmt::BinaryOperatorClass;
937
938 case OO_GreaterGreater:
939 BinaryOp = BO_Shr;
940 return Stmt::BinaryOperatorClass;
941
942 case OO_LessLessEqual:
943 BinaryOp = BO_ShlAssign;
944 return Stmt::CompoundAssignOperatorClass;
945
946 case OO_GreaterGreaterEqual:
947 BinaryOp = BO_ShrAssign;
948 return Stmt::CompoundAssignOperatorClass;
949
950 case OO_EqualEqual:
951 BinaryOp = BO_EQ;
952 return Stmt::BinaryOperatorClass;
953
954 case OO_ExclaimEqual:
955 BinaryOp = BO_NE;
956 return Stmt::BinaryOperatorClass;
957
958 case OO_LessEqual:
959 BinaryOp = BO_LE;
960 return Stmt::BinaryOperatorClass;
961
962 case OO_GreaterEqual:
963 BinaryOp = BO_GE;
964 return Stmt::BinaryOperatorClass;
965
966 case OO_AmpAmp:
967 BinaryOp = BO_LAnd;
968 return Stmt::BinaryOperatorClass;
969
970 case OO_PipePipe:
971 BinaryOp = BO_LOr;
972 return Stmt::BinaryOperatorClass;
973
974 case OO_PlusPlus:
975 UnaryOp = S->getNumArgs() == 1? UO_PreInc
976 : UO_PostInc;
977 return Stmt::UnaryOperatorClass;
978
979 case OO_MinusMinus:
980 UnaryOp = S->getNumArgs() == 1? UO_PreDec
981 : UO_PostDec;
982 return Stmt::UnaryOperatorClass;
983
984 case OO_Comma:
985 BinaryOp = BO_Comma;
986 return Stmt::BinaryOperatorClass;
987
988
989 case OO_ArrowStar:
990 BinaryOp = BO_PtrMemI;
991 return Stmt::BinaryOperatorClass;
992
993 case OO_Subscript:
994 return Stmt::ArraySubscriptExprClass;
995 }
996
997 llvm_unreachable("Invalid overloaded operator expression");
998 }
999
1000
VisitCXXOperatorCallExpr(const CXXOperatorCallExpr * S)1001 void StmtProfiler::VisitCXXOperatorCallExpr(const CXXOperatorCallExpr *S) {
1002 if (S->isTypeDependent()) {
1003 // Type-dependent operator calls are profiled like their underlying
1004 // syntactic operator.
1005 UnaryOperatorKind UnaryOp = UO_Extension;
1006 BinaryOperatorKind BinaryOp = BO_Comma;
1007 Stmt::StmtClass SC = DecodeOperatorCall(S, UnaryOp, BinaryOp);
1008
1009 ID.AddInteger(SC);
1010 for (unsigned I = 0, N = S->getNumArgs(); I != N; ++I)
1011 Visit(S->getArg(I));
1012 if (SC == Stmt::UnaryOperatorClass)
1013 ID.AddInteger(UnaryOp);
1014 else if (SC == Stmt::BinaryOperatorClass ||
1015 SC == Stmt::CompoundAssignOperatorClass)
1016 ID.AddInteger(BinaryOp);
1017 else
1018 assert(SC == Stmt::ArraySubscriptExprClass);
1019
1020 return;
1021 }
1022
1023 VisitCallExpr(S);
1024 ID.AddInteger(S->getOperator());
1025 }
1026
VisitCXXMemberCallExpr(const CXXMemberCallExpr * S)1027 void StmtProfiler::VisitCXXMemberCallExpr(const CXXMemberCallExpr *S) {
1028 VisitCallExpr(S);
1029 }
1030
VisitCUDAKernelCallExpr(const CUDAKernelCallExpr * S)1031 void StmtProfiler::VisitCUDAKernelCallExpr(const CUDAKernelCallExpr *S) {
1032 VisitCallExpr(S);
1033 }
1034
VisitAsTypeExpr(const AsTypeExpr * S)1035 void StmtProfiler::VisitAsTypeExpr(const AsTypeExpr *S) {
1036 VisitExpr(S);
1037 }
1038
VisitCXXNamedCastExpr(const CXXNamedCastExpr * S)1039 void StmtProfiler::VisitCXXNamedCastExpr(const CXXNamedCastExpr *S) {
1040 VisitExplicitCastExpr(S);
1041 }
1042
VisitCXXStaticCastExpr(const CXXStaticCastExpr * S)1043 void StmtProfiler::VisitCXXStaticCastExpr(const CXXStaticCastExpr *S) {
1044 VisitCXXNamedCastExpr(S);
1045 }
1046
VisitCXXDynamicCastExpr(const CXXDynamicCastExpr * S)1047 void StmtProfiler::VisitCXXDynamicCastExpr(const CXXDynamicCastExpr *S) {
1048 VisitCXXNamedCastExpr(S);
1049 }
1050
1051 void
VisitCXXReinterpretCastExpr(const CXXReinterpretCastExpr * S)1052 StmtProfiler::VisitCXXReinterpretCastExpr(const CXXReinterpretCastExpr *S) {
1053 VisitCXXNamedCastExpr(S);
1054 }
1055
VisitCXXConstCastExpr(const CXXConstCastExpr * S)1056 void StmtProfiler::VisitCXXConstCastExpr(const CXXConstCastExpr *S) {
1057 VisitCXXNamedCastExpr(S);
1058 }
1059
VisitUserDefinedLiteral(const UserDefinedLiteral * S)1060 void StmtProfiler::VisitUserDefinedLiteral(const UserDefinedLiteral *S) {
1061 VisitCallExpr(S);
1062 }
1063
VisitCXXBoolLiteralExpr(const CXXBoolLiteralExpr * S)1064 void StmtProfiler::VisitCXXBoolLiteralExpr(const CXXBoolLiteralExpr *S) {
1065 VisitExpr(S);
1066 ID.AddBoolean(S->getValue());
1067 }
1068
VisitCXXNullPtrLiteralExpr(const CXXNullPtrLiteralExpr * S)1069 void StmtProfiler::VisitCXXNullPtrLiteralExpr(const CXXNullPtrLiteralExpr *S) {
1070 VisitExpr(S);
1071 }
1072
VisitCXXStdInitializerListExpr(const CXXStdInitializerListExpr * S)1073 void StmtProfiler::VisitCXXStdInitializerListExpr(
1074 const CXXStdInitializerListExpr *S) {
1075 VisitExpr(S);
1076 }
1077
VisitCXXTypeidExpr(const CXXTypeidExpr * S)1078 void StmtProfiler::VisitCXXTypeidExpr(const CXXTypeidExpr *S) {
1079 VisitExpr(S);
1080 if (S->isTypeOperand())
1081 VisitType(S->getTypeOperandSourceInfo()->getType());
1082 }
1083
VisitCXXUuidofExpr(const CXXUuidofExpr * S)1084 void StmtProfiler::VisitCXXUuidofExpr(const CXXUuidofExpr *S) {
1085 VisitExpr(S);
1086 if (S->isTypeOperand())
1087 VisitType(S->getTypeOperandSourceInfo()->getType());
1088 }
1089
VisitMSPropertyRefExpr(const MSPropertyRefExpr * S)1090 void StmtProfiler::VisitMSPropertyRefExpr(const MSPropertyRefExpr *S) {
1091 VisitExpr(S);
1092 VisitDecl(S->getPropertyDecl());
1093 }
1094
VisitCXXThisExpr(const CXXThisExpr * S)1095 void StmtProfiler::VisitCXXThisExpr(const CXXThisExpr *S) {
1096 VisitExpr(S);
1097 ID.AddBoolean(S->isImplicit());
1098 }
1099
VisitCXXThrowExpr(const CXXThrowExpr * S)1100 void StmtProfiler::VisitCXXThrowExpr(const CXXThrowExpr *S) {
1101 VisitExpr(S);
1102 }
1103
VisitCXXDefaultArgExpr(const CXXDefaultArgExpr * S)1104 void StmtProfiler::VisitCXXDefaultArgExpr(const CXXDefaultArgExpr *S) {
1105 VisitExpr(S);
1106 VisitDecl(S->getParam());
1107 }
1108
VisitCXXDefaultInitExpr(const CXXDefaultInitExpr * S)1109 void StmtProfiler::VisitCXXDefaultInitExpr(const CXXDefaultInitExpr *S) {
1110 VisitExpr(S);
1111 VisitDecl(S->getField());
1112 }
1113
VisitCXXBindTemporaryExpr(const CXXBindTemporaryExpr * S)1114 void StmtProfiler::VisitCXXBindTemporaryExpr(const CXXBindTemporaryExpr *S) {
1115 VisitExpr(S);
1116 VisitDecl(
1117 const_cast<CXXDestructorDecl *>(S->getTemporary()->getDestructor()));
1118 }
1119
VisitCXXConstructExpr(const CXXConstructExpr * S)1120 void StmtProfiler::VisitCXXConstructExpr(const CXXConstructExpr *S) {
1121 VisitExpr(S);
1122 VisitDecl(S->getConstructor());
1123 ID.AddBoolean(S->isElidable());
1124 }
1125
VisitCXXFunctionalCastExpr(const CXXFunctionalCastExpr * S)1126 void StmtProfiler::VisitCXXFunctionalCastExpr(const CXXFunctionalCastExpr *S) {
1127 VisitExplicitCastExpr(S);
1128 }
1129
1130 void
VisitCXXTemporaryObjectExpr(const CXXTemporaryObjectExpr * S)1131 StmtProfiler::VisitCXXTemporaryObjectExpr(const CXXTemporaryObjectExpr *S) {
1132 VisitCXXConstructExpr(S);
1133 }
1134
1135 void
VisitLambdaExpr(const LambdaExpr * S)1136 StmtProfiler::VisitLambdaExpr(const LambdaExpr *S) {
1137 VisitExpr(S);
1138 for (LambdaExpr::capture_iterator C = S->explicit_capture_begin(),
1139 CEnd = S->explicit_capture_end();
1140 C != CEnd; ++C) {
1141 ID.AddInteger(C->getCaptureKind());
1142 switch (C->getCaptureKind()) {
1143 case LCK_This:
1144 break;
1145 case LCK_ByRef:
1146 case LCK_ByCopy:
1147 VisitDecl(C->getCapturedVar());
1148 ID.AddBoolean(C->isPackExpansion());
1149 break;
1150 case LCK_VLAType:
1151 llvm_unreachable("VLA type in explicit captures.");
1152 }
1153 }
1154 // Note: If we actually needed to be able to match lambda
1155 // expressions, we would have to consider parameters and return type
1156 // here, among other things.
1157 VisitStmt(S->getBody());
1158 }
1159
1160 void
VisitCXXScalarValueInitExpr(const CXXScalarValueInitExpr * S)1161 StmtProfiler::VisitCXXScalarValueInitExpr(const CXXScalarValueInitExpr *S) {
1162 VisitExpr(S);
1163 }
1164
VisitCXXDeleteExpr(const CXXDeleteExpr * S)1165 void StmtProfiler::VisitCXXDeleteExpr(const CXXDeleteExpr *S) {
1166 VisitExpr(S);
1167 ID.AddBoolean(S->isGlobalDelete());
1168 ID.AddBoolean(S->isArrayForm());
1169 VisitDecl(S->getOperatorDelete());
1170 }
1171
1172
VisitCXXNewExpr(const CXXNewExpr * S)1173 void StmtProfiler::VisitCXXNewExpr(const CXXNewExpr *S) {
1174 VisitExpr(S);
1175 VisitType(S->getAllocatedType());
1176 VisitDecl(S->getOperatorNew());
1177 VisitDecl(S->getOperatorDelete());
1178 ID.AddBoolean(S->isArray());
1179 ID.AddInteger(S->getNumPlacementArgs());
1180 ID.AddBoolean(S->isGlobalNew());
1181 ID.AddBoolean(S->isParenTypeId());
1182 ID.AddInteger(S->getInitializationStyle());
1183 }
1184
1185 void
VisitCXXPseudoDestructorExpr(const CXXPseudoDestructorExpr * S)1186 StmtProfiler::VisitCXXPseudoDestructorExpr(const CXXPseudoDestructorExpr *S) {
1187 VisitExpr(S);
1188 ID.AddBoolean(S->isArrow());
1189 VisitNestedNameSpecifier(S->getQualifier());
1190 ID.AddBoolean(S->getScopeTypeInfo() != nullptr);
1191 if (S->getScopeTypeInfo())
1192 VisitType(S->getScopeTypeInfo()->getType());
1193 ID.AddBoolean(S->getDestroyedTypeInfo() != nullptr);
1194 if (S->getDestroyedTypeInfo())
1195 VisitType(S->getDestroyedType());
1196 else
1197 ID.AddPointer(S->getDestroyedTypeIdentifier());
1198 }
1199
VisitOverloadExpr(const OverloadExpr * S)1200 void StmtProfiler::VisitOverloadExpr(const OverloadExpr *S) {
1201 VisitExpr(S);
1202 VisitNestedNameSpecifier(S->getQualifier());
1203 VisitName(S->getName());
1204 ID.AddBoolean(S->hasExplicitTemplateArgs());
1205 if (S->hasExplicitTemplateArgs())
1206 VisitTemplateArguments(S->getExplicitTemplateArgs().getTemplateArgs(),
1207 S->getExplicitTemplateArgs().NumTemplateArgs);
1208 }
1209
1210 void
VisitUnresolvedLookupExpr(const UnresolvedLookupExpr * S)1211 StmtProfiler::VisitUnresolvedLookupExpr(const UnresolvedLookupExpr *S) {
1212 VisitOverloadExpr(S);
1213 }
1214
VisitTypeTraitExpr(const TypeTraitExpr * S)1215 void StmtProfiler::VisitTypeTraitExpr(const TypeTraitExpr *S) {
1216 VisitExpr(S);
1217 ID.AddInteger(S->getTrait());
1218 ID.AddInteger(S->getNumArgs());
1219 for (unsigned I = 0, N = S->getNumArgs(); I != N; ++I)
1220 VisitType(S->getArg(I)->getType());
1221 }
1222
VisitArrayTypeTraitExpr(const ArrayTypeTraitExpr * S)1223 void StmtProfiler::VisitArrayTypeTraitExpr(const ArrayTypeTraitExpr *S) {
1224 VisitExpr(S);
1225 ID.AddInteger(S->getTrait());
1226 VisitType(S->getQueriedType());
1227 }
1228
VisitExpressionTraitExpr(const ExpressionTraitExpr * S)1229 void StmtProfiler::VisitExpressionTraitExpr(const ExpressionTraitExpr *S) {
1230 VisitExpr(S);
1231 ID.AddInteger(S->getTrait());
1232 VisitExpr(S->getQueriedExpression());
1233 }
1234
VisitDependentScopeDeclRefExpr(const DependentScopeDeclRefExpr * S)1235 void StmtProfiler::VisitDependentScopeDeclRefExpr(
1236 const DependentScopeDeclRefExpr *S) {
1237 VisitExpr(S);
1238 VisitName(S->getDeclName());
1239 VisitNestedNameSpecifier(S->getQualifier());
1240 ID.AddBoolean(S->hasExplicitTemplateArgs());
1241 if (S->hasExplicitTemplateArgs())
1242 VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs());
1243 }
1244
VisitExprWithCleanups(const ExprWithCleanups * S)1245 void StmtProfiler::VisitExprWithCleanups(const ExprWithCleanups *S) {
1246 VisitExpr(S);
1247 }
1248
VisitCXXUnresolvedConstructExpr(const CXXUnresolvedConstructExpr * S)1249 void StmtProfiler::VisitCXXUnresolvedConstructExpr(
1250 const CXXUnresolvedConstructExpr *S) {
1251 VisitExpr(S);
1252 VisitType(S->getTypeAsWritten());
1253 }
1254
VisitCXXDependentScopeMemberExpr(const CXXDependentScopeMemberExpr * S)1255 void StmtProfiler::VisitCXXDependentScopeMemberExpr(
1256 const CXXDependentScopeMemberExpr *S) {
1257 ID.AddBoolean(S->isImplicitAccess());
1258 if (!S->isImplicitAccess()) {
1259 VisitExpr(S);
1260 ID.AddBoolean(S->isArrow());
1261 }
1262 VisitNestedNameSpecifier(S->getQualifier());
1263 VisitName(S->getMember());
1264 ID.AddBoolean(S->hasExplicitTemplateArgs());
1265 if (S->hasExplicitTemplateArgs())
1266 VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs());
1267 }
1268
VisitUnresolvedMemberExpr(const UnresolvedMemberExpr * S)1269 void StmtProfiler::VisitUnresolvedMemberExpr(const UnresolvedMemberExpr *S) {
1270 ID.AddBoolean(S->isImplicitAccess());
1271 if (!S->isImplicitAccess()) {
1272 VisitExpr(S);
1273 ID.AddBoolean(S->isArrow());
1274 }
1275 VisitNestedNameSpecifier(S->getQualifier());
1276 VisitName(S->getMemberName());
1277 ID.AddBoolean(S->hasExplicitTemplateArgs());
1278 if (S->hasExplicitTemplateArgs())
1279 VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs());
1280 }
1281
VisitCXXNoexceptExpr(const CXXNoexceptExpr * S)1282 void StmtProfiler::VisitCXXNoexceptExpr(const CXXNoexceptExpr *S) {
1283 VisitExpr(S);
1284 }
1285
VisitPackExpansionExpr(const PackExpansionExpr * S)1286 void StmtProfiler::VisitPackExpansionExpr(const PackExpansionExpr *S) {
1287 VisitExpr(S);
1288 }
1289
VisitSizeOfPackExpr(const SizeOfPackExpr * S)1290 void StmtProfiler::VisitSizeOfPackExpr(const SizeOfPackExpr *S) {
1291 VisitExpr(S);
1292 VisitDecl(S->getPack());
1293 }
1294
VisitSubstNonTypeTemplateParmPackExpr(const SubstNonTypeTemplateParmPackExpr * S)1295 void StmtProfiler::VisitSubstNonTypeTemplateParmPackExpr(
1296 const SubstNonTypeTemplateParmPackExpr *S) {
1297 VisitExpr(S);
1298 VisitDecl(S->getParameterPack());
1299 VisitTemplateArgument(S->getArgumentPack());
1300 }
1301
VisitSubstNonTypeTemplateParmExpr(const SubstNonTypeTemplateParmExpr * E)1302 void StmtProfiler::VisitSubstNonTypeTemplateParmExpr(
1303 const SubstNonTypeTemplateParmExpr *E) {
1304 // Profile exactly as the replacement expression.
1305 Visit(E->getReplacement());
1306 }
1307
VisitFunctionParmPackExpr(const FunctionParmPackExpr * S)1308 void StmtProfiler::VisitFunctionParmPackExpr(const FunctionParmPackExpr *S) {
1309 VisitExpr(S);
1310 VisitDecl(S->getParameterPack());
1311 ID.AddInteger(S->getNumExpansions());
1312 for (FunctionParmPackExpr::iterator I = S->begin(), E = S->end(); I != E; ++I)
1313 VisitDecl(*I);
1314 }
1315
VisitMaterializeTemporaryExpr(const MaterializeTemporaryExpr * S)1316 void StmtProfiler::VisitMaterializeTemporaryExpr(
1317 const MaterializeTemporaryExpr *S) {
1318 VisitExpr(S);
1319 }
1320
VisitCXXFoldExpr(const CXXFoldExpr * S)1321 void StmtProfiler::VisitCXXFoldExpr(const CXXFoldExpr *S) {
1322 VisitExpr(S);
1323 ID.AddInteger(S->getOperator());
1324 }
1325
VisitOpaqueValueExpr(const OpaqueValueExpr * E)1326 void StmtProfiler::VisitOpaqueValueExpr(const OpaqueValueExpr *E) {
1327 VisitExpr(E);
1328 }
1329
VisitTypoExpr(const TypoExpr * E)1330 void StmtProfiler::VisitTypoExpr(const TypoExpr *E) {
1331 VisitExpr(E);
1332 }
1333
VisitObjCStringLiteral(const ObjCStringLiteral * S)1334 void StmtProfiler::VisitObjCStringLiteral(const ObjCStringLiteral *S) {
1335 VisitExpr(S);
1336 }
1337
VisitObjCBoxedExpr(const ObjCBoxedExpr * E)1338 void StmtProfiler::VisitObjCBoxedExpr(const ObjCBoxedExpr *E) {
1339 VisitExpr(E);
1340 }
1341
VisitObjCArrayLiteral(const ObjCArrayLiteral * E)1342 void StmtProfiler::VisitObjCArrayLiteral(const ObjCArrayLiteral *E) {
1343 VisitExpr(E);
1344 }
1345
VisitObjCDictionaryLiteral(const ObjCDictionaryLiteral * E)1346 void StmtProfiler::VisitObjCDictionaryLiteral(const ObjCDictionaryLiteral *E) {
1347 VisitExpr(E);
1348 }
1349
VisitObjCEncodeExpr(const ObjCEncodeExpr * S)1350 void StmtProfiler::VisitObjCEncodeExpr(const ObjCEncodeExpr *S) {
1351 VisitExpr(S);
1352 VisitType(S->getEncodedType());
1353 }
1354
VisitObjCSelectorExpr(const ObjCSelectorExpr * S)1355 void StmtProfiler::VisitObjCSelectorExpr(const ObjCSelectorExpr *S) {
1356 VisitExpr(S);
1357 VisitName(S->getSelector());
1358 }
1359
VisitObjCProtocolExpr(const ObjCProtocolExpr * S)1360 void StmtProfiler::VisitObjCProtocolExpr(const ObjCProtocolExpr *S) {
1361 VisitExpr(S);
1362 VisitDecl(S->getProtocol());
1363 }
1364
VisitObjCIvarRefExpr(const ObjCIvarRefExpr * S)1365 void StmtProfiler::VisitObjCIvarRefExpr(const ObjCIvarRefExpr *S) {
1366 VisitExpr(S);
1367 VisitDecl(S->getDecl());
1368 ID.AddBoolean(S->isArrow());
1369 ID.AddBoolean(S->isFreeIvar());
1370 }
1371
VisitObjCPropertyRefExpr(const ObjCPropertyRefExpr * S)1372 void StmtProfiler::VisitObjCPropertyRefExpr(const ObjCPropertyRefExpr *S) {
1373 VisitExpr(S);
1374 if (S->isImplicitProperty()) {
1375 VisitDecl(S->getImplicitPropertyGetter());
1376 VisitDecl(S->getImplicitPropertySetter());
1377 } else {
1378 VisitDecl(S->getExplicitProperty());
1379 }
1380 if (S->isSuperReceiver()) {
1381 ID.AddBoolean(S->isSuperReceiver());
1382 VisitType(S->getSuperReceiverType());
1383 }
1384 }
1385
VisitObjCSubscriptRefExpr(const ObjCSubscriptRefExpr * S)1386 void StmtProfiler::VisitObjCSubscriptRefExpr(const ObjCSubscriptRefExpr *S) {
1387 VisitExpr(S);
1388 VisitDecl(S->getAtIndexMethodDecl());
1389 VisitDecl(S->setAtIndexMethodDecl());
1390 }
1391
VisitObjCMessageExpr(const ObjCMessageExpr * S)1392 void StmtProfiler::VisitObjCMessageExpr(const ObjCMessageExpr *S) {
1393 VisitExpr(S);
1394 VisitName(S->getSelector());
1395 VisitDecl(S->getMethodDecl());
1396 }
1397
VisitObjCIsaExpr(const ObjCIsaExpr * S)1398 void StmtProfiler::VisitObjCIsaExpr(const ObjCIsaExpr *S) {
1399 VisitExpr(S);
1400 ID.AddBoolean(S->isArrow());
1401 }
1402
VisitObjCBoolLiteralExpr(const ObjCBoolLiteralExpr * S)1403 void StmtProfiler::VisitObjCBoolLiteralExpr(const ObjCBoolLiteralExpr *S) {
1404 VisitExpr(S);
1405 ID.AddBoolean(S->getValue());
1406 }
1407
VisitObjCIndirectCopyRestoreExpr(const ObjCIndirectCopyRestoreExpr * S)1408 void StmtProfiler::VisitObjCIndirectCopyRestoreExpr(
1409 const ObjCIndirectCopyRestoreExpr *S) {
1410 VisitExpr(S);
1411 ID.AddBoolean(S->shouldCopy());
1412 }
1413
VisitObjCBridgedCastExpr(const ObjCBridgedCastExpr * S)1414 void StmtProfiler::VisitObjCBridgedCastExpr(const ObjCBridgedCastExpr *S) {
1415 VisitExplicitCastExpr(S);
1416 ID.AddBoolean(S->getBridgeKind());
1417 }
1418
VisitDecl(const Decl * D)1419 void StmtProfiler::VisitDecl(const Decl *D) {
1420 ID.AddInteger(D? D->getKind() : 0);
1421
1422 if (Canonical && D) {
1423 if (const NonTypeTemplateParmDecl *NTTP =
1424 dyn_cast<NonTypeTemplateParmDecl>(D)) {
1425 ID.AddInteger(NTTP->getDepth());
1426 ID.AddInteger(NTTP->getIndex());
1427 ID.AddBoolean(NTTP->isParameterPack());
1428 VisitType(NTTP->getType());
1429 return;
1430 }
1431
1432 if (const ParmVarDecl *Parm = dyn_cast<ParmVarDecl>(D)) {
1433 // The Itanium C++ ABI uses the type, scope depth, and scope
1434 // index of a parameter when mangling expressions that involve
1435 // function parameters, so we will use the parameter's type for
1436 // establishing function parameter identity. That way, our
1437 // definition of "equivalent" (per C++ [temp.over.link]) is at
1438 // least as strong as the definition of "equivalent" used for
1439 // name mangling.
1440 VisitType(Parm->getType());
1441 ID.AddInteger(Parm->getFunctionScopeDepth());
1442 ID.AddInteger(Parm->getFunctionScopeIndex());
1443 return;
1444 }
1445
1446 if (const TemplateTypeParmDecl *TTP =
1447 dyn_cast<TemplateTypeParmDecl>(D)) {
1448 ID.AddInteger(TTP->getDepth());
1449 ID.AddInteger(TTP->getIndex());
1450 ID.AddBoolean(TTP->isParameterPack());
1451 return;
1452 }
1453
1454 if (const TemplateTemplateParmDecl *TTP =
1455 dyn_cast<TemplateTemplateParmDecl>(D)) {
1456 ID.AddInteger(TTP->getDepth());
1457 ID.AddInteger(TTP->getIndex());
1458 ID.AddBoolean(TTP->isParameterPack());
1459 return;
1460 }
1461 }
1462
1463 ID.AddPointer(D? D->getCanonicalDecl() : nullptr);
1464 }
1465
VisitType(QualType T)1466 void StmtProfiler::VisitType(QualType T) {
1467 if (Canonical)
1468 T = Context.getCanonicalType(T);
1469
1470 ID.AddPointer(T.getAsOpaquePtr());
1471 }
1472
VisitName(DeclarationName Name)1473 void StmtProfiler::VisitName(DeclarationName Name) {
1474 ID.AddPointer(Name.getAsOpaquePtr());
1475 }
1476
VisitNestedNameSpecifier(NestedNameSpecifier * NNS)1477 void StmtProfiler::VisitNestedNameSpecifier(NestedNameSpecifier *NNS) {
1478 if (Canonical)
1479 NNS = Context.getCanonicalNestedNameSpecifier(NNS);
1480 ID.AddPointer(NNS);
1481 }
1482
VisitTemplateName(TemplateName Name)1483 void StmtProfiler::VisitTemplateName(TemplateName Name) {
1484 if (Canonical)
1485 Name = Context.getCanonicalTemplateName(Name);
1486
1487 Name.Profile(ID);
1488 }
1489
VisitTemplateArguments(const TemplateArgumentLoc * Args,unsigned NumArgs)1490 void StmtProfiler::VisitTemplateArguments(const TemplateArgumentLoc *Args,
1491 unsigned NumArgs) {
1492 ID.AddInteger(NumArgs);
1493 for (unsigned I = 0; I != NumArgs; ++I)
1494 VisitTemplateArgument(Args[I].getArgument());
1495 }
1496
VisitTemplateArgument(const TemplateArgument & Arg)1497 void StmtProfiler::VisitTemplateArgument(const TemplateArgument &Arg) {
1498 // Mostly repetitive with TemplateArgument::Profile!
1499 ID.AddInteger(Arg.getKind());
1500 switch (Arg.getKind()) {
1501 case TemplateArgument::Null:
1502 break;
1503
1504 case TemplateArgument::Type:
1505 VisitType(Arg.getAsType());
1506 break;
1507
1508 case TemplateArgument::Template:
1509 case TemplateArgument::TemplateExpansion:
1510 VisitTemplateName(Arg.getAsTemplateOrTemplatePattern());
1511 break;
1512
1513 case TemplateArgument::Declaration:
1514 VisitDecl(Arg.getAsDecl());
1515 break;
1516
1517 case TemplateArgument::NullPtr:
1518 VisitType(Arg.getNullPtrType());
1519 break;
1520
1521 case TemplateArgument::Integral:
1522 Arg.getAsIntegral().Profile(ID);
1523 VisitType(Arg.getIntegralType());
1524 break;
1525
1526 case TemplateArgument::Expression:
1527 Visit(Arg.getAsExpr());
1528 break;
1529
1530 case TemplateArgument::Pack:
1531 for (const auto &P : Arg.pack_elements())
1532 VisitTemplateArgument(P);
1533 break;
1534 }
1535 }
1536
Profile(llvm::FoldingSetNodeID & ID,const ASTContext & Context,bool Canonical) const1537 void Stmt::Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context,
1538 bool Canonical) const {
1539 StmtProfiler Profiler(ID, Context, Canonical);
1540 Profiler.Visit(this);
1541 }
1542