StmtProfile.cpp revision 234982
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" 23using namespace clang; 24 25namespace { 26 class StmtProfiler : public ConstStmtVisitor<StmtProfiler> { 27 llvm::FoldingSetNodeID &ID; 28 const ASTContext &Context; 29 bool Canonical; 30 31 public: 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 70void 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 80void StmtProfiler::VisitDeclStmt(const DeclStmt *S) { 81 VisitStmt(S); 82 for (DeclStmt::const_decl_iterator D = S->decl_begin(), DEnd = S->decl_end(); 83 D != DEnd; ++D) 84 VisitDecl(*D); 85} 86 87void StmtProfiler::VisitNullStmt(const NullStmt *S) { 88 VisitStmt(S); 89} 90 91void StmtProfiler::VisitCompoundStmt(const CompoundStmt *S) { 92 VisitStmt(S); 93} 94 95void StmtProfiler::VisitSwitchCase(const SwitchCase *S) { 96 VisitStmt(S); 97} 98 99void StmtProfiler::VisitCaseStmt(const CaseStmt *S) { 100 VisitStmt(S); 101} 102 103void StmtProfiler::VisitDefaultStmt(const DefaultStmt *S) { 104 VisitStmt(S); 105} 106 107void StmtProfiler::VisitLabelStmt(const LabelStmt *S) { 108 VisitStmt(S); 109 VisitDecl(S->getDecl()); 110} 111 112void StmtProfiler::VisitAttributedStmt(const AttributedStmt *S) { 113 VisitStmt(S); 114 // TODO: maybe visit attributes? 115} 116 117void StmtProfiler::VisitIfStmt(const IfStmt *S) { 118 VisitStmt(S); 119 VisitDecl(S->getConditionVariable()); 120} 121 122void StmtProfiler::VisitSwitchStmt(const SwitchStmt *S) { 123 VisitStmt(S); 124 VisitDecl(S->getConditionVariable()); 125} 126 127void StmtProfiler::VisitWhileStmt(const WhileStmt *S) { 128 VisitStmt(S); 129 VisitDecl(S->getConditionVariable()); 130} 131 132void StmtProfiler::VisitDoStmt(const DoStmt *S) { 133 VisitStmt(S); 134} 135 136void StmtProfiler::VisitForStmt(const ForStmt *S) { 137 VisitStmt(S); 138} 139 140void StmtProfiler::VisitGotoStmt(const GotoStmt *S) { 141 VisitStmt(S); 142 VisitDecl(S->getLabel()); 143} 144 145void StmtProfiler::VisitIndirectGotoStmt(const IndirectGotoStmt *S) { 146 VisitStmt(S); 147} 148 149void StmtProfiler::VisitContinueStmt(const ContinueStmt *S) { 150 VisitStmt(S); 151} 152 153void StmtProfiler::VisitBreakStmt(const BreakStmt *S) { 154 VisitStmt(S); 155} 156 157void StmtProfiler::VisitReturnStmt(const ReturnStmt *S) { 158 VisitStmt(S); 159} 160 161void StmtProfiler::VisitAsmStmt(const AsmStmt *S) { 162 VisitStmt(S); 163 ID.AddBoolean(S->isVolatile()); 164 ID.AddBoolean(S->isSimple()); 165 VisitStringLiteral(S->getAsmString()); 166 ID.AddInteger(S->getNumOutputs()); 167 for (unsigned I = 0, N = S->getNumOutputs(); I != N; ++I) { 168 ID.AddString(S->getOutputName(I)); 169 VisitStringLiteral(S->getOutputConstraintLiteral(I)); 170 } 171 ID.AddInteger(S->getNumInputs()); 172 for (unsigned I = 0, N = S->getNumInputs(); I != N; ++I) { 173 ID.AddString(S->getInputName(I)); 174 VisitStringLiteral(S->getInputConstraintLiteral(I)); 175 } 176 ID.AddInteger(S->getNumClobbers()); 177 for (unsigned I = 0, N = S->getNumClobbers(); I != N; ++I) 178 VisitStringLiteral(S->getClobber(I)); 179} 180 181void StmtProfiler::VisitCXXCatchStmt(const CXXCatchStmt *S) { 182 VisitStmt(S); 183 VisitType(S->getCaughtType()); 184} 185 186void StmtProfiler::VisitCXXTryStmt(const CXXTryStmt *S) { 187 VisitStmt(S); 188} 189 190void StmtProfiler::VisitCXXForRangeStmt(const CXXForRangeStmt *S) { 191 VisitStmt(S); 192} 193 194void StmtProfiler::VisitMSDependentExistsStmt(const MSDependentExistsStmt *S) { 195 VisitStmt(S); 196 ID.AddBoolean(S->isIfExists()); 197 VisitNestedNameSpecifier(S->getQualifierLoc().getNestedNameSpecifier()); 198 VisitName(S->getNameInfo().getName()); 199} 200 201void StmtProfiler::VisitSEHTryStmt(const SEHTryStmt *S) { 202 VisitStmt(S); 203} 204 205void StmtProfiler::VisitSEHFinallyStmt(const SEHFinallyStmt *S) { 206 VisitStmt(S); 207} 208 209void StmtProfiler::VisitSEHExceptStmt(const SEHExceptStmt *S) { 210 VisitStmt(S); 211} 212 213void StmtProfiler::VisitObjCForCollectionStmt(const ObjCForCollectionStmt *S) { 214 VisitStmt(S); 215} 216 217void StmtProfiler::VisitObjCAtCatchStmt(const ObjCAtCatchStmt *S) { 218 VisitStmt(S); 219 ID.AddBoolean(S->hasEllipsis()); 220 if (S->getCatchParamDecl()) 221 VisitType(S->getCatchParamDecl()->getType()); 222} 223 224void StmtProfiler::VisitObjCAtFinallyStmt(const ObjCAtFinallyStmt *S) { 225 VisitStmt(S); 226} 227 228void StmtProfiler::VisitObjCAtTryStmt(const ObjCAtTryStmt *S) { 229 VisitStmt(S); 230} 231 232void 233StmtProfiler::VisitObjCAtSynchronizedStmt(const ObjCAtSynchronizedStmt *S) { 234 VisitStmt(S); 235} 236 237void StmtProfiler::VisitObjCAtThrowStmt(const ObjCAtThrowStmt *S) { 238 VisitStmt(S); 239} 240 241void 242StmtProfiler::VisitObjCAutoreleasePoolStmt(const ObjCAutoreleasePoolStmt *S) { 243 VisitStmt(S); 244} 245 246void StmtProfiler::VisitExpr(const Expr *S) { 247 VisitStmt(S); 248} 249 250void StmtProfiler::VisitDeclRefExpr(const DeclRefExpr *S) { 251 VisitExpr(S); 252 if (!Canonical) 253 VisitNestedNameSpecifier(S->getQualifier()); 254 VisitDecl(S->getDecl()); 255 if (!Canonical) 256 VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs()); 257} 258 259void StmtProfiler::VisitPredefinedExpr(const PredefinedExpr *S) { 260 VisitExpr(S); 261 ID.AddInteger(S->getIdentType()); 262} 263 264void StmtProfiler::VisitIntegerLiteral(const IntegerLiteral *S) { 265 VisitExpr(S); 266 S->getValue().Profile(ID); 267} 268 269void StmtProfiler::VisitCharacterLiteral(const CharacterLiteral *S) { 270 VisitExpr(S); 271 ID.AddInteger(S->getKind()); 272 ID.AddInteger(S->getValue()); 273} 274 275void StmtProfiler::VisitFloatingLiteral(const FloatingLiteral *S) { 276 VisitExpr(S); 277 S->getValue().Profile(ID); 278 ID.AddBoolean(S->isExact()); 279} 280 281void StmtProfiler::VisitImaginaryLiteral(const ImaginaryLiteral *S) { 282 VisitExpr(S); 283} 284 285void StmtProfiler::VisitStringLiteral(const StringLiteral *S) { 286 VisitExpr(S); 287 ID.AddString(S->getBytes()); 288 ID.AddInteger(S->getKind()); 289} 290 291void StmtProfiler::VisitParenExpr(const ParenExpr *S) { 292 VisitExpr(S); 293} 294 295void StmtProfiler::VisitParenListExpr(const ParenListExpr *S) { 296 VisitExpr(S); 297} 298 299void StmtProfiler::VisitUnaryOperator(const UnaryOperator *S) { 300 VisitExpr(S); 301 ID.AddInteger(S->getOpcode()); 302} 303 304void StmtProfiler::VisitOffsetOfExpr(const OffsetOfExpr *S) { 305 VisitType(S->getTypeSourceInfo()->getType()); 306 unsigned n = S->getNumComponents(); 307 for (unsigned i = 0; i < n; ++i) { 308 const OffsetOfExpr::OffsetOfNode& ON = S->getComponent(i); 309 ID.AddInteger(ON.getKind()); 310 switch (ON.getKind()) { 311 case OffsetOfExpr::OffsetOfNode::Array: 312 // Expressions handled below. 313 break; 314 315 case OffsetOfExpr::OffsetOfNode::Field: 316 VisitDecl(ON.getField()); 317 break; 318 319 case OffsetOfExpr::OffsetOfNode::Identifier: 320 ID.AddPointer(ON.getFieldName()); 321 break; 322 323 case OffsetOfExpr::OffsetOfNode::Base: 324 // These nodes are implicit, and therefore don't need profiling. 325 break; 326 } 327 } 328 329 VisitExpr(S); 330} 331 332void 333StmtProfiler::VisitUnaryExprOrTypeTraitExpr(const UnaryExprOrTypeTraitExpr *S) { 334 VisitExpr(S); 335 ID.AddInteger(S->getKind()); 336 if (S->isArgumentType()) 337 VisitType(S->getArgumentType()); 338} 339 340void StmtProfiler::VisitArraySubscriptExpr(const ArraySubscriptExpr *S) { 341 VisitExpr(S); 342} 343 344void StmtProfiler::VisitCallExpr(const CallExpr *S) { 345 VisitExpr(S); 346} 347 348void StmtProfiler::VisitMemberExpr(const MemberExpr *S) { 349 VisitExpr(S); 350 VisitDecl(S->getMemberDecl()); 351 if (!Canonical) 352 VisitNestedNameSpecifier(S->getQualifier()); 353 ID.AddBoolean(S->isArrow()); 354} 355 356void StmtProfiler::VisitCompoundLiteralExpr(const CompoundLiteralExpr *S) { 357 VisitExpr(S); 358 ID.AddBoolean(S->isFileScope()); 359} 360 361void StmtProfiler::VisitCastExpr(const CastExpr *S) { 362 VisitExpr(S); 363} 364 365void StmtProfiler::VisitImplicitCastExpr(const ImplicitCastExpr *S) { 366 VisitCastExpr(S); 367 ID.AddInteger(S->getValueKind()); 368} 369 370void StmtProfiler::VisitExplicitCastExpr(const ExplicitCastExpr *S) { 371 VisitCastExpr(S); 372 VisitType(S->getTypeAsWritten()); 373} 374 375void StmtProfiler::VisitCStyleCastExpr(const CStyleCastExpr *S) { 376 VisitExplicitCastExpr(S); 377} 378 379void StmtProfiler::VisitBinaryOperator(const BinaryOperator *S) { 380 VisitExpr(S); 381 ID.AddInteger(S->getOpcode()); 382} 383 384void 385StmtProfiler::VisitCompoundAssignOperator(const CompoundAssignOperator *S) { 386 VisitBinaryOperator(S); 387} 388 389void StmtProfiler::VisitConditionalOperator(const ConditionalOperator *S) { 390 VisitExpr(S); 391} 392 393void StmtProfiler::VisitBinaryConditionalOperator( 394 const BinaryConditionalOperator *S) { 395 VisitExpr(S); 396} 397 398void StmtProfiler::VisitAddrLabelExpr(const AddrLabelExpr *S) { 399 VisitExpr(S); 400 VisitDecl(S->getLabel()); 401} 402 403void StmtProfiler::VisitStmtExpr(const StmtExpr *S) { 404 VisitExpr(S); 405} 406 407void StmtProfiler::VisitShuffleVectorExpr(const ShuffleVectorExpr *S) { 408 VisitExpr(S); 409} 410 411void StmtProfiler::VisitChooseExpr(const ChooseExpr *S) { 412 VisitExpr(S); 413} 414 415void StmtProfiler::VisitGNUNullExpr(const GNUNullExpr *S) { 416 VisitExpr(S); 417} 418 419void StmtProfiler::VisitVAArgExpr(const VAArgExpr *S) { 420 VisitExpr(S); 421} 422 423void StmtProfiler::VisitInitListExpr(const InitListExpr *S) { 424 if (S->getSyntacticForm()) { 425 VisitInitListExpr(S->getSyntacticForm()); 426 return; 427 } 428 429 VisitExpr(S); 430} 431 432void StmtProfiler::VisitDesignatedInitExpr(const DesignatedInitExpr *S) { 433 VisitExpr(S); 434 ID.AddBoolean(S->usesGNUSyntax()); 435 for (DesignatedInitExpr::const_designators_iterator D = 436 S->designators_begin(), DEnd = S->designators_end(); 437 D != DEnd; ++D) { 438 if (D->isFieldDesignator()) { 439 ID.AddInteger(0); 440 VisitName(D->getFieldName()); 441 continue; 442 } 443 444 if (D->isArrayDesignator()) { 445 ID.AddInteger(1); 446 } else { 447 assert(D->isArrayRangeDesignator()); 448 ID.AddInteger(2); 449 } 450 ID.AddInteger(D->getFirstExprIndex()); 451 } 452} 453 454void StmtProfiler::VisitImplicitValueInitExpr(const ImplicitValueInitExpr *S) { 455 VisitExpr(S); 456} 457 458void StmtProfiler::VisitExtVectorElementExpr(const ExtVectorElementExpr *S) { 459 VisitExpr(S); 460 VisitName(&S->getAccessor()); 461} 462 463void StmtProfiler::VisitBlockExpr(const BlockExpr *S) { 464 VisitExpr(S); 465 VisitDecl(S->getBlockDecl()); 466} 467 468void StmtProfiler::VisitGenericSelectionExpr(const GenericSelectionExpr *S) { 469 VisitExpr(S); 470 for (unsigned i = 0; i != S->getNumAssocs(); ++i) { 471 QualType T = S->getAssocType(i); 472 if (T.isNull()) 473 ID.AddPointer(0); 474 else 475 VisitType(T); 476 VisitExpr(S->getAssocExpr(i)); 477 } 478} 479 480void StmtProfiler::VisitPseudoObjectExpr(const PseudoObjectExpr *S) { 481 VisitExpr(S); 482 for (PseudoObjectExpr::const_semantics_iterator 483 i = S->semantics_begin(), e = S->semantics_end(); i != e; ++i) 484 // Normally, we would not profile the source expressions of OVEs. 485 if (const OpaqueValueExpr *OVE = dyn_cast<OpaqueValueExpr>(*i)) 486 Visit(OVE->getSourceExpr()); 487} 488 489void StmtProfiler::VisitAtomicExpr(const AtomicExpr *S) { 490 VisitExpr(S); 491 ID.AddInteger(S->getOp()); 492} 493 494static Stmt::StmtClass DecodeOperatorCall(const CXXOperatorCallExpr *S, 495 UnaryOperatorKind &UnaryOp, 496 BinaryOperatorKind &BinaryOp) { 497 switch (S->getOperator()) { 498 case OO_None: 499 case OO_New: 500 case OO_Delete: 501 case OO_Array_New: 502 case OO_Array_Delete: 503 case OO_Arrow: 504 case OO_Call: 505 case OO_Conditional: 506 case NUM_OVERLOADED_OPERATORS: 507 llvm_unreachable("Invalid operator call kind"); 508 509 case OO_Plus: 510 if (S->getNumArgs() == 1) { 511 UnaryOp = UO_Plus; 512 return Stmt::UnaryOperatorClass; 513 } 514 515 BinaryOp = BO_Add; 516 return Stmt::BinaryOperatorClass; 517 518 case OO_Minus: 519 if (S->getNumArgs() == 1) { 520 UnaryOp = UO_Minus; 521 return Stmt::UnaryOperatorClass; 522 } 523 524 BinaryOp = BO_Sub; 525 return Stmt::BinaryOperatorClass; 526 527 case OO_Star: 528 if (S->getNumArgs() == 1) { 529 UnaryOp = UO_Minus; 530 return Stmt::UnaryOperatorClass; 531 } 532 533 BinaryOp = BO_Sub; 534 return Stmt::BinaryOperatorClass; 535 536 case OO_Slash: 537 BinaryOp = BO_Div; 538 return Stmt::BinaryOperatorClass; 539 540 case OO_Percent: 541 BinaryOp = BO_Rem; 542 return Stmt::BinaryOperatorClass; 543 544 case OO_Caret: 545 BinaryOp = BO_Xor; 546 return Stmt::BinaryOperatorClass; 547 548 case OO_Amp: 549 if (S->getNumArgs() == 1) { 550 UnaryOp = UO_AddrOf; 551 return Stmt::UnaryOperatorClass; 552 } 553 554 BinaryOp = BO_And; 555 return Stmt::BinaryOperatorClass; 556 557 case OO_Pipe: 558 BinaryOp = BO_Or; 559 return Stmt::BinaryOperatorClass; 560 561 case OO_Tilde: 562 UnaryOp = UO_Not; 563 return Stmt::UnaryOperatorClass; 564 565 case OO_Exclaim: 566 UnaryOp = UO_LNot; 567 return Stmt::UnaryOperatorClass; 568 569 case OO_Equal: 570 BinaryOp = BO_Assign; 571 return Stmt::BinaryOperatorClass; 572 573 case OO_Less: 574 BinaryOp = BO_LT; 575 return Stmt::BinaryOperatorClass; 576 577 case OO_Greater: 578 BinaryOp = BO_GT; 579 return Stmt::BinaryOperatorClass; 580 581 case OO_PlusEqual: 582 BinaryOp = BO_AddAssign; 583 return Stmt::CompoundAssignOperatorClass; 584 585 case OO_MinusEqual: 586 BinaryOp = BO_SubAssign; 587 return Stmt::CompoundAssignOperatorClass; 588 589 case OO_StarEqual: 590 BinaryOp = BO_MulAssign; 591 return Stmt::CompoundAssignOperatorClass; 592 593 case OO_SlashEqual: 594 BinaryOp = BO_DivAssign; 595 return Stmt::CompoundAssignOperatorClass; 596 597 case OO_PercentEqual: 598 BinaryOp = BO_RemAssign; 599 return Stmt::CompoundAssignOperatorClass; 600 601 case OO_CaretEqual: 602 BinaryOp = BO_XorAssign; 603 return Stmt::CompoundAssignOperatorClass; 604 605 case OO_AmpEqual: 606 BinaryOp = BO_AndAssign; 607 return Stmt::CompoundAssignOperatorClass; 608 609 case OO_PipeEqual: 610 BinaryOp = BO_OrAssign; 611 return Stmt::CompoundAssignOperatorClass; 612 613 case OO_LessLess: 614 BinaryOp = BO_Shl; 615 return Stmt::BinaryOperatorClass; 616 617 case OO_GreaterGreater: 618 BinaryOp = BO_Shr; 619 return Stmt::BinaryOperatorClass; 620 621 case OO_LessLessEqual: 622 BinaryOp = BO_ShlAssign; 623 return Stmt::CompoundAssignOperatorClass; 624 625 case OO_GreaterGreaterEqual: 626 BinaryOp = BO_ShrAssign; 627 return Stmt::CompoundAssignOperatorClass; 628 629 case OO_EqualEqual: 630 BinaryOp = BO_EQ; 631 return Stmt::BinaryOperatorClass; 632 633 case OO_ExclaimEqual: 634 BinaryOp = BO_NE; 635 return Stmt::BinaryOperatorClass; 636 637 case OO_LessEqual: 638 BinaryOp = BO_LE; 639 return Stmt::BinaryOperatorClass; 640 641 case OO_GreaterEqual: 642 BinaryOp = BO_GE; 643 return Stmt::BinaryOperatorClass; 644 645 case OO_AmpAmp: 646 BinaryOp = BO_LAnd; 647 return Stmt::BinaryOperatorClass; 648 649 case OO_PipePipe: 650 BinaryOp = BO_LOr; 651 return Stmt::BinaryOperatorClass; 652 653 case OO_PlusPlus: 654 UnaryOp = S->getNumArgs() == 1? UO_PreInc 655 : UO_PostInc; 656 return Stmt::UnaryOperatorClass; 657 658 case OO_MinusMinus: 659 UnaryOp = S->getNumArgs() == 1? UO_PreDec 660 : UO_PostDec; 661 return Stmt::UnaryOperatorClass; 662 663 case OO_Comma: 664 BinaryOp = BO_Comma; 665 return Stmt::BinaryOperatorClass; 666 667 668 case OO_ArrowStar: 669 BinaryOp = BO_PtrMemI; 670 return Stmt::BinaryOperatorClass; 671 672 case OO_Subscript: 673 return Stmt::ArraySubscriptExprClass; 674 } 675 676 llvm_unreachable("Invalid overloaded operator expression"); 677} 678 679 680void StmtProfiler::VisitCXXOperatorCallExpr(const CXXOperatorCallExpr *S) { 681 if (S->isTypeDependent()) { 682 // Type-dependent operator calls are profiled like their underlying 683 // syntactic operator. 684 UnaryOperatorKind UnaryOp = UO_Extension; 685 BinaryOperatorKind BinaryOp = BO_Comma; 686 Stmt::StmtClass SC = DecodeOperatorCall(S, UnaryOp, BinaryOp); 687 688 ID.AddInteger(SC); 689 for (unsigned I = 0, N = S->getNumArgs(); I != N; ++I) 690 Visit(S->getArg(I)); 691 if (SC == Stmt::UnaryOperatorClass) 692 ID.AddInteger(UnaryOp); 693 else if (SC == Stmt::BinaryOperatorClass || 694 SC == Stmt::CompoundAssignOperatorClass) 695 ID.AddInteger(BinaryOp); 696 else 697 assert(SC == Stmt::ArraySubscriptExprClass); 698 699 return; 700 } 701 702 VisitCallExpr(S); 703 ID.AddInteger(S->getOperator()); 704} 705 706void StmtProfiler::VisitCXXMemberCallExpr(const CXXMemberCallExpr *S) { 707 VisitCallExpr(S); 708} 709 710void StmtProfiler::VisitCUDAKernelCallExpr(const CUDAKernelCallExpr *S) { 711 VisitCallExpr(S); 712} 713 714void StmtProfiler::VisitAsTypeExpr(const AsTypeExpr *S) { 715 VisitExpr(S); 716} 717 718void StmtProfiler::VisitCXXNamedCastExpr(const CXXNamedCastExpr *S) { 719 VisitExplicitCastExpr(S); 720} 721 722void StmtProfiler::VisitCXXStaticCastExpr(const CXXStaticCastExpr *S) { 723 VisitCXXNamedCastExpr(S); 724} 725 726void StmtProfiler::VisitCXXDynamicCastExpr(const CXXDynamicCastExpr *S) { 727 VisitCXXNamedCastExpr(S); 728} 729 730void 731StmtProfiler::VisitCXXReinterpretCastExpr(const CXXReinterpretCastExpr *S) { 732 VisitCXXNamedCastExpr(S); 733} 734 735void StmtProfiler::VisitCXXConstCastExpr(const CXXConstCastExpr *S) { 736 VisitCXXNamedCastExpr(S); 737} 738 739void StmtProfiler::VisitUserDefinedLiteral(const UserDefinedLiteral *S) { 740 VisitCallExpr(S); 741} 742 743void StmtProfiler::VisitCXXBoolLiteralExpr(const CXXBoolLiteralExpr *S) { 744 VisitExpr(S); 745 ID.AddBoolean(S->getValue()); 746} 747 748void StmtProfiler::VisitCXXNullPtrLiteralExpr(const CXXNullPtrLiteralExpr *S) { 749 VisitExpr(S); 750} 751 752void StmtProfiler::VisitCXXTypeidExpr(const CXXTypeidExpr *S) { 753 VisitExpr(S); 754 if (S->isTypeOperand()) 755 VisitType(S->getTypeOperand()); 756} 757 758void StmtProfiler::VisitCXXUuidofExpr(const CXXUuidofExpr *S) { 759 VisitExpr(S); 760 if (S->isTypeOperand()) 761 VisitType(S->getTypeOperand()); 762} 763 764void StmtProfiler::VisitCXXThisExpr(const CXXThisExpr *S) { 765 VisitExpr(S); 766 ID.AddBoolean(S->isImplicit()); 767} 768 769void StmtProfiler::VisitCXXThrowExpr(const CXXThrowExpr *S) { 770 VisitExpr(S); 771} 772 773void StmtProfiler::VisitCXXDefaultArgExpr(const CXXDefaultArgExpr *S) { 774 VisitExpr(S); 775 VisitDecl(S->getParam()); 776} 777 778void StmtProfiler::VisitCXXBindTemporaryExpr(const CXXBindTemporaryExpr *S) { 779 VisitExpr(S); 780 VisitDecl( 781 const_cast<CXXDestructorDecl *>(S->getTemporary()->getDestructor())); 782} 783 784void StmtProfiler::VisitCXXConstructExpr(const CXXConstructExpr *S) { 785 VisitExpr(S); 786 VisitDecl(S->getConstructor()); 787 ID.AddBoolean(S->isElidable()); 788} 789 790void StmtProfiler::VisitCXXFunctionalCastExpr(const CXXFunctionalCastExpr *S) { 791 VisitExplicitCastExpr(S); 792} 793 794void 795StmtProfiler::VisitCXXTemporaryObjectExpr(const CXXTemporaryObjectExpr *S) { 796 VisitCXXConstructExpr(S); 797} 798 799void 800StmtProfiler::VisitLambdaExpr(const LambdaExpr *S) { 801 VisitExpr(S); 802 for (LambdaExpr::capture_iterator C = S->explicit_capture_begin(), 803 CEnd = S->explicit_capture_end(); 804 C != CEnd; ++C) { 805 ID.AddInteger(C->getCaptureKind()); 806 if (C->capturesVariable()) { 807 VisitDecl(C->getCapturedVar()); 808 ID.AddBoolean(C->isPackExpansion()); 809 } 810 } 811 // Note: If we actually needed to be able to match lambda 812 // expressions, we would have to consider parameters and return type 813 // here, among other things. 814 VisitStmt(S->getBody()); 815} 816 817void 818StmtProfiler::VisitCXXScalarValueInitExpr(const CXXScalarValueInitExpr *S) { 819 VisitExpr(S); 820} 821 822void StmtProfiler::VisitCXXDeleteExpr(const CXXDeleteExpr *S) { 823 VisitExpr(S); 824 ID.AddBoolean(S->isGlobalDelete()); 825 ID.AddBoolean(S->isArrayForm()); 826 VisitDecl(S->getOperatorDelete()); 827} 828 829 830void StmtProfiler::VisitCXXNewExpr(const CXXNewExpr *S) { 831 VisitExpr(S); 832 VisitType(S->getAllocatedType()); 833 VisitDecl(S->getOperatorNew()); 834 VisitDecl(S->getOperatorDelete()); 835 ID.AddBoolean(S->isArray()); 836 ID.AddInteger(S->getNumPlacementArgs()); 837 ID.AddBoolean(S->isGlobalNew()); 838 ID.AddBoolean(S->isParenTypeId()); 839 ID.AddInteger(S->getInitializationStyle()); 840} 841 842void 843StmtProfiler::VisitCXXPseudoDestructorExpr(const CXXPseudoDestructorExpr *S) { 844 VisitExpr(S); 845 ID.AddBoolean(S->isArrow()); 846 VisitNestedNameSpecifier(S->getQualifier()); 847 VisitType(S->getDestroyedType()); 848} 849 850void StmtProfiler::VisitOverloadExpr(const OverloadExpr *S) { 851 VisitExpr(S); 852 VisitNestedNameSpecifier(S->getQualifier()); 853 VisitName(S->getName()); 854 ID.AddBoolean(S->hasExplicitTemplateArgs()); 855 if (S->hasExplicitTemplateArgs()) 856 VisitTemplateArguments(S->getExplicitTemplateArgs().getTemplateArgs(), 857 S->getExplicitTemplateArgs().NumTemplateArgs); 858} 859 860void 861StmtProfiler::VisitUnresolvedLookupExpr(const UnresolvedLookupExpr *S) { 862 VisitOverloadExpr(S); 863} 864 865void StmtProfiler::VisitUnaryTypeTraitExpr(const UnaryTypeTraitExpr *S) { 866 VisitExpr(S); 867 ID.AddInteger(S->getTrait()); 868 VisitType(S->getQueriedType()); 869} 870 871void StmtProfiler::VisitBinaryTypeTraitExpr(const BinaryTypeTraitExpr *S) { 872 VisitExpr(S); 873 ID.AddInteger(S->getTrait()); 874 VisitType(S->getLhsType()); 875 VisitType(S->getRhsType()); 876} 877 878void StmtProfiler::VisitTypeTraitExpr(const TypeTraitExpr *S) { 879 VisitExpr(S); 880 ID.AddInteger(S->getTrait()); 881 ID.AddInteger(S->getNumArgs()); 882 for (unsigned I = 0, N = S->getNumArgs(); I != N; ++I) 883 VisitType(S->getArg(I)->getType()); 884} 885 886void StmtProfiler::VisitArrayTypeTraitExpr(const ArrayTypeTraitExpr *S) { 887 VisitExpr(S); 888 ID.AddInteger(S->getTrait()); 889 VisitType(S->getQueriedType()); 890} 891 892void StmtProfiler::VisitExpressionTraitExpr(const ExpressionTraitExpr *S) { 893 VisitExpr(S); 894 ID.AddInteger(S->getTrait()); 895 VisitExpr(S->getQueriedExpression()); 896} 897 898void StmtProfiler::VisitDependentScopeDeclRefExpr( 899 const DependentScopeDeclRefExpr *S) { 900 VisitExpr(S); 901 VisitName(S->getDeclName()); 902 VisitNestedNameSpecifier(S->getQualifier()); 903 ID.AddBoolean(S->hasExplicitTemplateArgs()); 904 if (S->hasExplicitTemplateArgs()) 905 VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs()); 906} 907 908void StmtProfiler::VisitExprWithCleanups(const ExprWithCleanups *S) { 909 VisitExpr(S); 910} 911 912void StmtProfiler::VisitCXXUnresolvedConstructExpr( 913 const CXXUnresolvedConstructExpr *S) { 914 VisitExpr(S); 915 VisitType(S->getTypeAsWritten()); 916} 917 918void StmtProfiler::VisitCXXDependentScopeMemberExpr( 919 const CXXDependentScopeMemberExpr *S) { 920 ID.AddBoolean(S->isImplicitAccess()); 921 if (!S->isImplicitAccess()) { 922 VisitExpr(S); 923 ID.AddBoolean(S->isArrow()); 924 } 925 VisitNestedNameSpecifier(S->getQualifier()); 926 VisitName(S->getMember()); 927 ID.AddBoolean(S->hasExplicitTemplateArgs()); 928 if (S->hasExplicitTemplateArgs()) 929 VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs()); 930} 931 932void StmtProfiler::VisitUnresolvedMemberExpr(const UnresolvedMemberExpr *S) { 933 ID.AddBoolean(S->isImplicitAccess()); 934 if (!S->isImplicitAccess()) { 935 VisitExpr(S); 936 ID.AddBoolean(S->isArrow()); 937 } 938 VisitNestedNameSpecifier(S->getQualifier()); 939 VisitName(S->getMemberName()); 940 ID.AddBoolean(S->hasExplicitTemplateArgs()); 941 if (S->hasExplicitTemplateArgs()) 942 VisitTemplateArguments(S->getTemplateArgs(), S->getNumTemplateArgs()); 943} 944 945void StmtProfiler::VisitCXXNoexceptExpr(const CXXNoexceptExpr *S) { 946 VisitExpr(S); 947} 948 949void StmtProfiler::VisitPackExpansionExpr(const PackExpansionExpr *S) { 950 VisitExpr(S); 951} 952 953void StmtProfiler::VisitSizeOfPackExpr(const SizeOfPackExpr *S) { 954 VisitExpr(S); 955 VisitDecl(S->getPack()); 956} 957 958void StmtProfiler::VisitSubstNonTypeTemplateParmPackExpr( 959 const SubstNonTypeTemplateParmPackExpr *S) { 960 VisitExpr(S); 961 VisitDecl(S->getParameterPack()); 962 VisitTemplateArgument(S->getArgumentPack()); 963} 964 965void StmtProfiler::VisitSubstNonTypeTemplateParmExpr( 966 const SubstNonTypeTemplateParmExpr *E) { 967 // Profile exactly as the replacement expression. 968 Visit(E->getReplacement()); 969} 970 971void StmtProfiler::VisitMaterializeTemporaryExpr( 972 const MaterializeTemporaryExpr *S) { 973 VisitExpr(S); 974} 975 976void StmtProfiler::VisitOpaqueValueExpr(const OpaqueValueExpr *E) { 977 VisitExpr(E); 978} 979 980void StmtProfiler::VisitObjCStringLiteral(const ObjCStringLiteral *S) { 981 VisitExpr(S); 982} 983 984void StmtProfiler::VisitObjCNumericLiteral(const ObjCNumericLiteral *E) { 985 VisitExpr(E); 986} 987 988void StmtProfiler::VisitObjCArrayLiteral(const ObjCArrayLiteral *E) { 989 VisitExpr(E); 990} 991 992void StmtProfiler::VisitObjCDictionaryLiteral(const ObjCDictionaryLiteral *E) { 993 VisitExpr(E); 994} 995 996void StmtProfiler::VisitObjCEncodeExpr(const ObjCEncodeExpr *S) { 997 VisitExpr(S); 998 VisitType(S->getEncodedType()); 999} 1000 1001void StmtProfiler::VisitObjCSelectorExpr(const ObjCSelectorExpr *S) { 1002 VisitExpr(S); 1003 VisitName(S->getSelector()); 1004} 1005 1006void StmtProfiler::VisitObjCProtocolExpr(const ObjCProtocolExpr *S) { 1007 VisitExpr(S); 1008 VisitDecl(S->getProtocol()); 1009} 1010 1011void StmtProfiler::VisitObjCIvarRefExpr(const ObjCIvarRefExpr *S) { 1012 VisitExpr(S); 1013 VisitDecl(S->getDecl()); 1014 ID.AddBoolean(S->isArrow()); 1015 ID.AddBoolean(S->isFreeIvar()); 1016} 1017 1018void StmtProfiler::VisitObjCPropertyRefExpr(const ObjCPropertyRefExpr *S) { 1019 VisitExpr(S); 1020 if (S->isImplicitProperty()) { 1021 VisitDecl(S->getImplicitPropertyGetter()); 1022 VisitDecl(S->getImplicitPropertySetter()); 1023 } else { 1024 VisitDecl(S->getExplicitProperty()); 1025 } 1026 if (S->isSuperReceiver()) { 1027 ID.AddBoolean(S->isSuperReceiver()); 1028 VisitType(S->getSuperReceiverType()); 1029 } 1030} 1031 1032void StmtProfiler::VisitObjCSubscriptRefExpr(const ObjCSubscriptRefExpr *S) { 1033 VisitExpr(S); 1034 VisitDecl(S->getAtIndexMethodDecl()); 1035 VisitDecl(S->setAtIndexMethodDecl()); 1036} 1037 1038void StmtProfiler::VisitObjCMessageExpr(const ObjCMessageExpr *S) { 1039 VisitExpr(S); 1040 VisitName(S->getSelector()); 1041 VisitDecl(S->getMethodDecl()); 1042} 1043 1044void StmtProfiler::VisitObjCIsaExpr(const ObjCIsaExpr *S) { 1045 VisitExpr(S); 1046 ID.AddBoolean(S->isArrow()); 1047} 1048 1049void StmtProfiler::VisitObjCBoolLiteralExpr(const ObjCBoolLiteralExpr *S) { 1050 VisitExpr(S); 1051 ID.AddBoolean(S->getValue()); 1052} 1053 1054void StmtProfiler::VisitObjCIndirectCopyRestoreExpr( 1055 const ObjCIndirectCopyRestoreExpr *S) { 1056 VisitExpr(S); 1057 ID.AddBoolean(S->shouldCopy()); 1058} 1059 1060void StmtProfiler::VisitObjCBridgedCastExpr(const ObjCBridgedCastExpr *S) { 1061 VisitExplicitCastExpr(S); 1062 ID.AddBoolean(S->getBridgeKind()); 1063} 1064 1065void StmtProfiler::VisitDecl(const Decl *D) { 1066 ID.AddInteger(D? D->getKind() : 0); 1067 1068 if (Canonical && D) { 1069 if (const NonTypeTemplateParmDecl *NTTP = 1070 dyn_cast<NonTypeTemplateParmDecl>(D)) { 1071 ID.AddInteger(NTTP->getDepth()); 1072 ID.AddInteger(NTTP->getIndex()); 1073 ID.AddBoolean(NTTP->isParameterPack()); 1074 VisitType(NTTP->getType()); 1075 return; 1076 } 1077 1078 if (const ParmVarDecl *Parm = dyn_cast<ParmVarDecl>(D)) { 1079 // The Itanium C++ ABI uses the type, scope depth, and scope 1080 // index of a parameter when mangling expressions that involve 1081 // function parameters, so we will use the parameter's type for 1082 // establishing function parameter identity. That way, our 1083 // definition of "equivalent" (per C++ [temp.over.link]) is at 1084 // least as strong as the definition of "equivalent" used for 1085 // name mangling. 1086 VisitType(Parm->getType()); 1087 ID.AddInteger(Parm->getFunctionScopeDepth()); 1088 ID.AddInteger(Parm->getFunctionScopeIndex()); 1089 return; 1090 } 1091 1092 if (const TemplateTypeParmDecl *TTP = 1093 dyn_cast<TemplateTypeParmDecl>(D)) { 1094 ID.AddInteger(TTP->getDepth()); 1095 ID.AddInteger(TTP->getIndex()); 1096 ID.AddBoolean(TTP->isParameterPack()); 1097 return; 1098 } 1099 1100 if (const TemplateTemplateParmDecl *TTP = 1101 dyn_cast<TemplateTemplateParmDecl>(D)) { 1102 ID.AddInteger(TTP->getDepth()); 1103 ID.AddInteger(TTP->getIndex()); 1104 ID.AddBoolean(TTP->isParameterPack()); 1105 return; 1106 } 1107 } 1108 1109 ID.AddPointer(D? D->getCanonicalDecl() : 0); 1110} 1111 1112void StmtProfiler::VisitType(QualType T) { 1113 if (Canonical) 1114 T = Context.getCanonicalType(T); 1115 1116 ID.AddPointer(T.getAsOpaquePtr()); 1117} 1118 1119void StmtProfiler::VisitName(DeclarationName Name) { 1120 ID.AddPointer(Name.getAsOpaquePtr()); 1121} 1122 1123void StmtProfiler::VisitNestedNameSpecifier(NestedNameSpecifier *NNS) { 1124 if (Canonical) 1125 NNS = Context.getCanonicalNestedNameSpecifier(NNS); 1126 ID.AddPointer(NNS); 1127} 1128 1129void StmtProfiler::VisitTemplateName(TemplateName Name) { 1130 if (Canonical) 1131 Name = Context.getCanonicalTemplateName(Name); 1132 1133 Name.Profile(ID); 1134} 1135 1136void StmtProfiler::VisitTemplateArguments(const TemplateArgumentLoc *Args, 1137 unsigned NumArgs) { 1138 ID.AddInteger(NumArgs); 1139 for (unsigned I = 0; I != NumArgs; ++I) 1140 VisitTemplateArgument(Args[I].getArgument()); 1141} 1142 1143void StmtProfiler::VisitTemplateArgument(const TemplateArgument &Arg) { 1144 // Mostly repetitive with TemplateArgument::Profile! 1145 ID.AddInteger(Arg.getKind()); 1146 switch (Arg.getKind()) { 1147 case TemplateArgument::Null: 1148 break; 1149 1150 case TemplateArgument::Type: 1151 VisitType(Arg.getAsType()); 1152 break; 1153 1154 case TemplateArgument::Template: 1155 case TemplateArgument::TemplateExpansion: 1156 VisitTemplateName(Arg.getAsTemplateOrTemplatePattern()); 1157 break; 1158 1159 case TemplateArgument::Declaration: 1160 VisitDecl(Arg.getAsDecl()); 1161 break; 1162 1163 case TemplateArgument::Integral: 1164 Arg.getAsIntegral()->Profile(ID); 1165 VisitType(Arg.getIntegralType()); 1166 break; 1167 1168 case TemplateArgument::Expression: 1169 Visit(Arg.getAsExpr()); 1170 break; 1171 1172 case TemplateArgument::Pack: 1173 const TemplateArgument *Pack = Arg.pack_begin(); 1174 for (unsigned i = 0, e = Arg.pack_size(); i != e; ++i) 1175 VisitTemplateArgument(Pack[i]); 1176 break; 1177 } 1178} 1179 1180void Stmt::Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Context, 1181 bool Canonical) const { 1182 StmtProfiler Profiler(ID, Context, Canonical); 1183 Profiler.Visit(this); 1184} 1185