27#include "llvm/ADT/ArrayRef.h"
28#include "llvm/ADT/DenseMap.h"
29#include "llvm/ADT/SmallSet.h"
30#include "llvm/ADT/StringExtras.h"
31#include "llvm/IR/Assumptions.h"
32#include "llvm/IR/DataLayout.h"
33#include "llvm/IR/InlineAsm.h"
34#include "llvm/IR/Intrinsics.h"
35#include "llvm/IR/MDBuilder.h"
36#include "llvm/Support/SaveAndRestore.h"
40using namespace CodeGen;
50void CodeGenFunction::EmitStopPoint(
const Stmt *S) {
53 Loc = S->getBeginLoc();
61 assert(S &&
"Null statement?");
78 assert(!isa<DeclStmt>(*S) &&
"Unexpected DeclStmt!");
92 if (
const auto *D = dyn_cast<OMPExecutableDirective>(S)) {
98 switch (S->getStmtClass()) {
100 case Stmt::CXXCatchStmtClass:
101 case Stmt::SEHExceptStmtClass:
102 case Stmt::SEHFinallyStmtClass:
103 case Stmt::MSDependentExistsStmtClass:
104 llvm_unreachable(
"invalid statement class to emit generically");
105 case Stmt::NullStmtClass:
106 case Stmt::CompoundStmtClass:
107 case Stmt::DeclStmtClass:
108 case Stmt::LabelStmtClass:
109 case Stmt::AttributedStmtClass:
110 case Stmt::GotoStmtClass:
111 case Stmt::BreakStmtClass:
112 case Stmt::ContinueStmtClass:
113 case Stmt::DefaultStmtClass:
114 case Stmt::CaseStmtClass:
115 case Stmt::SEHLeaveStmtClass:
116 llvm_unreachable(
"should have emitted these statements as simple");
118#define STMT(Type, Base)
119#define ABSTRACT_STMT(Op)
120#define EXPR(Type, Base) \
121 case Stmt::Type##Class:
122#include "clang/AST/StmtNodes.inc"
125 llvm::BasicBlock *incoming =
Builder.GetInsertBlock();
126 assert(incoming &&
"expression emission must have an insertion point");
130 llvm::BasicBlock *outgoing =
Builder.GetInsertBlock();
131 assert(outgoing &&
"expression emission cleared block!");
145 if (incoming != outgoing && outgoing->use_empty()) {
146 outgoing->eraseFromParent();
152 case Stmt::IndirectGotoStmtClass:
155 case Stmt::IfStmtClass:
EmitIfStmt(cast<IfStmt>(*S));
break;
156 case Stmt::WhileStmtClass:
EmitWhileStmt(cast<WhileStmt>(*S), Attrs);
break;
157 case Stmt::DoStmtClass:
EmitDoStmt(cast<DoStmt>(*S), Attrs);
break;
158 case Stmt::ForStmtClass:
EmitForStmt(cast<ForStmt>(*S), Attrs);
break;
160 case Stmt::ReturnStmtClass:
EmitReturnStmt(cast<ReturnStmt>(*S));
break;
162 case Stmt::SwitchStmtClass:
EmitSwitchStmt(cast<SwitchStmt>(*S));
break;
163 case Stmt::GCCAsmStmtClass:
164 case Stmt::MSAsmStmtClass:
EmitAsmStmt(cast<AsmStmt>(*S));
break;
165 case Stmt::CoroutineBodyStmtClass:
168 case Stmt::CoreturnStmtClass:
171 case Stmt::CapturedStmtClass: {
176 case Stmt::ObjCAtTryStmtClass:
179 case Stmt::ObjCAtCatchStmtClass:
181 "@catch statements should be handled by EmitObjCAtTryStmt");
182 case Stmt::ObjCAtFinallyStmtClass:
184 "@finally statements should be handled by EmitObjCAtTryStmt");
185 case Stmt::ObjCAtThrowStmtClass:
188 case Stmt::ObjCAtSynchronizedStmtClass:
191 case Stmt::ObjCForCollectionStmtClass:
194 case Stmt::ObjCAutoreleasePoolStmtClass:
198 case Stmt::CXXTryStmtClass:
201 case Stmt::CXXForRangeStmtClass:
204 case Stmt::SEHTryStmtClass:
207 case Stmt::OMPMetaDirectiveClass:
210 case Stmt::OMPCanonicalLoopClass:
213 case Stmt::OMPParallelDirectiveClass:
216 case Stmt::OMPSimdDirectiveClass:
219 case Stmt::OMPTileDirectiveClass:
222 case Stmt::OMPUnrollDirectiveClass:
225 case Stmt::OMPForDirectiveClass:
228 case Stmt::OMPForSimdDirectiveClass:
231 case Stmt::OMPSectionsDirectiveClass:
234 case Stmt::OMPSectionDirectiveClass:
237 case Stmt::OMPSingleDirectiveClass:
240 case Stmt::OMPMasterDirectiveClass:
243 case Stmt::OMPCriticalDirectiveClass:
246 case Stmt::OMPParallelForDirectiveClass:
249 case Stmt::OMPParallelForSimdDirectiveClass:
252 case Stmt::OMPParallelMasterDirectiveClass:
255 case Stmt::OMPParallelSectionsDirectiveClass:
258 case Stmt::OMPTaskDirectiveClass:
261 case Stmt::OMPTaskyieldDirectiveClass:
264 case Stmt::OMPErrorDirectiveClass:
267 case Stmt::OMPBarrierDirectiveClass:
270 case Stmt::OMPTaskwaitDirectiveClass:
273 case Stmt::OMPTaskgroupDirectiveClass:
276 case Stmt::OMPFlushDirectiveClass:
279 case Stmt::OMPDepobjDirectiveClass:
282 case Stmt::OMPScanDirectiveClass:
285 case Stmt::OMPOrderedDirectiveClass:
288 case Stmt::OMPAtomicDirectiveClass:
291 case Stmt::OMPTargetDirectiveClass:
294 case Stmt::OMPTeamsDirectiveClass:
297 case Stmt::OMPCancellationPointDirectiveClass:
300 case Stmt::OMPCancelDirectiveClass:
303 case Stmt::OMPTargetDataDirectiveClass:
306 case Stmt::OMPTargetEnterDataDirectiveClass:
309 case Stmt::OMPTargetExitDataDirectiveClass:
312 case Stmt::OMPTargetParallelDirectiveClass:
315 case Stmt::OMPTargetParallelForDirectiveClass:
318 case Stmt::OMPTaskLoopDirectiveClass:
321 case Stmt::OMPTaskLoopSimdDirectiveClass:
324 case Stmt::OMPMasterTaskLoopDirectiveClass:
327 case Stmt::OMPMaskedTaskLoopDirectiveClass:
328 llvm_unreachable(
"masked taskloop directive not supported yet.");
330 case Stmt::OMPMasterTaskLoopSimdDirectiveClass:
332 cast<OMPMasterTaskLoopSimdDirective>(*S));
334 case Stmt::OMPMaskedTaskLoopSimdDirectiveClass:
335 llvm_unreachable(
"masked taskloop simd directive not supported yet.");
337 case Stmt::OMPParallelMasterTaskLoopDirectiveClass:
339 cast<OMPParallelMasterTaskLoopDirective>(*S));
341 case Stmt::OMPParallelMaskedTaskLoopDirectiveClass:
342 llvm_unreachable(
"parallel masked taskloop directive not supported yet.");
344 case Stmt::OMPParallelMasterTaskLoopSimdDirectiveClass:
346 cast<OMPParallelMasterTaskLoopSimdDirective>(*S));
348 case Stmt::OMPParallelMaskedTaskLoopSimdDirectiveClass:
350 "parallel masked taskloop simd directive not supported yet.");
352 case Stmt::OMPDistributeDirectiveClass:
355 case Stmt::OMPTargetUpdateDirectiveClass:
358 case Stmt::OMPDistributeParallelForDirectiveClass:
360 cast<OMPDistributeParallelForDirective>(*S));
362 case Stmt::OMPDistributeParallelForSimdDirectiveClass:
364 cast<OMPDistributeParallelForSimdDirective>(*S));
366 case Stmt::OMPDistributeSimdDirectiveClass:
369 case Stmt::OMPTargetParallelForSimdDirectiveClass:
371 cast<OMPTargetParallelForSimdDirective>(*S));
373 case Stmt::OMPTargetSimdDirectiveClass:
376 case Stmt::OMPTeamsDistributeDirectiveClass:
379 case Stmt::OMPTeamsDistributeSimdDirectiveClass:
381 cast<OMPTeamsDistributeSimdDirective>(*S));
383 case Stmt::OMPTeamsDistributeParallelForSimdDirectiveClass:
385 cast<OMPTeamsDistributeParallelForSimdDirective>(*S));
387 case Stmt::OMPTeamsDistributeParallelForDirectiveClass:
389 cast<OMPTeamsDistributeParallelForDirective>(*S));
391 case Stmt::OMPTargetTeamsDirectiveClass:
394 case Stmt::OMPTargetTeamsDistributeDirectiveClass:
396 cast<OMPTargetTeamsDistributeDirective>(*S));
398 case Stmt::OMPTargetTeamsDistributeParallelForDirectiveClass:
400 cast<OMPTargetTeamsDistributeParallelForDirective>(*S));
402 case Stmt::OMPTargetTeamsDistributeParallelForSimdDirectiveClass:
404 cast<OMPTargetTeamsDistributeParallelForSimdDirective>(*S));
406 case Stmt::OMPTargetTeamsDistributeSimdDirectiveClass:
408 cast<OMPTargetTeamsDistributeSimdDirective>(*S));
410 case Stmt::OMPInteropDirectiveClass:
413 case Stmt::OMPDispatchDirectiveClass:
416 case Stmt::OMPScopeDirectiveClass:
417 llvm_unreachable(
"scope not supported with FE outlining");
418 case Stmt::OMPMaskedDirectiveClass:
421 case Stmt::OMPGenericLoopDirectiveClass:
424 case Stmt::OMPTeamsGenericLoopDirectiveClass:
427 case Stmt::OMPTargetTeamsGenericLoopDirectiveClass:
429 cast<OMPTargetTeamsGenericLoopDirective>(*S));
431 case Stmt::OMPParallelGenericLoopDirectiveClass:
433 cast<OMPParallelGenericLoopDirective>(*S));
435 case Stmt::OMPTargetParallelGenericLoopDirectiveClass:
437 cast<OMPTargetParallelGenericLoopDirective>(*S));
439 case Stmt::OMPParallelMaskedDirectiveClass:
442 case Stmt::OpenACCComputeConstructClass:
450 switch (S->getStmtClass()) {
453 case Stmt::NullStmtClass:
455 case Stmt::CompoundStmtClass:
458 case Stmt::DeclStmtClass:
461 case Stmt::LabelStmtClass:
464 case Stmt::AttributedStmtClass:
467 case Stmt::GotoStmtClass:
470 case Stmt::BreakStmtClass:
473 case Stmt::ContinueStmtClass:
476 case Stmt::DefaultStmtClass:
479 case Stmt::CaseStmtClass:
482 case Stmt::SEHLeaveStmtClass:
495 "LLVM IR generation of compound statement ('{}')");
498 LexicalScope
Scope(*
this, S.getSourceRange());
509 assert((!GetLast || (GetLast &&
ExprResult)) &&
510 "If GetLast is true then the CompoundStmt must have a StmtExprResult");
514 for (
auto *CurStmt : S.body()) {
522 if (
const auto *LS = dyn_cast<LabelStmt>(
ExprResult)) {
525 }
else if (
const auto *AS = dyn_cast<AttributedStmt>(
ExprResult)) {
530 llvm_unreachable(
"unknown value statement");
557 llvm::BranchInst *BI = dyn_cast<llvm::BranchInst>(BB->getTerminator());
566 if (!BI || !BI->isUnconditional())
570 if (BI->getIterator() != BB->begin())
573 BB->replaceAllUsesWith(BI->getSuccessor(0));
574 BI->eraseFromParent();
575 BB->eraseFromParent();
579 llvm::BasicBlock *CurBB =
Builder.GetInsertBlock();
584 if (IsFinished && BB->use_empty()) {
591 if (CurBB && CurBB->getParent())
592 CurFn->insert(std::next(CurBB->getIterator()), BB);
602 llvm::BasicBlock *CurBB =
Builder.GetInsertBlock();
604 if (!CurBB || CurBB->getTerminator()) {
616 bool inserted =
false;
617 for (llvm::User *u : block->users()) {
618 if (llvm::Instruction *insn = dyn_cast<llvm::Instruction>(u)) {
619 CurFn->insert(std::next(insn->getParent()->getIterator()), block);
631CodeGenFunction::JumpDest
633 JumpDest &Dest = LabelMap[D];
634 if (Dest.isValid())
return Dest;
650 JumpDest &Dest = LabelMap[D];
654 if (!Dest.isValid()) {
660 assert(!Dest.getScopeDepth().isValid() &&
"already emitted label!");
681 assert(!Labels.empty());
687 i = Labels.begin(), e = Labels.end(); i != e; ++i) {
688 assert(
CGF.LabelMap.count(*i));
697 ParentScope->Labels.append(Labels.begin(), Labels.end());
713 bool nomerge =
false;
714 bool noinline =
false;
715 bool alwaysinline =
false;
718 for (
const auto *A : S.getAttrs()) {
719 switch (A->getKind()) {
728 case attr::AlwaysInline:
731 case attr::MustTail: {
732 const Stmt *Sub = S.getSubStmt();
736 case attr::CXXAssume: {
737 const Expr *Assumption = cast<CXXAssumeAttr>(A)->getAssumption();
741 Builder.CreateAssumption(AssumptionVal);
750 EmitStmt(S.getSubStmt(), S.getAttrs());
773 llvm::BasicBlock *CurBB =
Builder.GetInsertBlock();
780 cast<llvm::PHINode>(IndGotoBB->begin())->addIncoming(
V, CurBB);
788 if (S.isConsteval()) {
789 const Stmt *Executed = S.isNegatedConsteval() ? S.getThen() : S.getElse();
791 RunCleanupsScope ExecutedScope(*
this);
799 LexicalScope ConditionScope(*
this, S.getCond()->getSourceRange());
804 if (S.getConditionVariable())
805 EmitDecl(*S.getConditionVariable());
813 const Stmt *Executed = S.getThen();
814 const Stmt *Skipped = S.getElse();
816 std::swap(Executed, Skipped);
824 RunCleanupsScope ExecutedScope(*
this);
835 llvm::BasicBlock *ElseBlock = ContBlock;
866 Builder.CreateCondBr(BoolCondVal, ThenBlock, ElseBlock);
876 RunCleanupsScope ThenScope(*
this);
882 if (
const Stmt *Else = S.getElse()) {
892 RunCleanupsScope ElseScope(*
this);
923 BreakContinueStack.push_back(BreakContinue(
LoopExit, LoopHeader));
932 RunCleanupsScope ConditionScope(*
this);
934 if (S.getConditionVariable())
935 EmitDecl(*S.getConditionVariable());
944 llvm::ConstantInt *
C = dyn_cast<llvm::ConstantInt>(BoolCondVal);
945 bool CondIsConstInt =
C !=
nullptr;
946 bool EmitBoolCondBranch = !CondIsConstInt || !
C->isOne();
959 if (EmitBoolCondBranch) {
960 llvm::BasicBlock *ExitBlock =
LoopExit.getBlock();
961 if (ConditionScope.requiresCleanups())
963 llvm::MDNode *Weights =
964 createProfileWeightsForLoop(S.getCond(),
getProfileCount(S.getBody()));
966 BoolCondVal = emitCondLikelihoodViaExpectIntrinsic(
968 Builder.CreateCondBr(BoolCondVal, LoopBody, ExitBlock, Weights);
970 if (ExitBlock !=
LoopExit.getBlock()) {
976 diag::warn_attribute_has_no_effect_on_infinite_loop)
977 << A << A->getRange();
980 diag::note_attribute_has_no_effect_on_infinite_loop_here)
987 RunCleanupsScope BodyScope(*
this);
997 BreakContinueStack.pop_back();
1000 ConditionScope.ForceCleanup();
1013 if (!EmitBoolCondBranch)
1030 BreakContinueStack.push_back(BreakContinue(
LoopExit, LoopCond));
1040 RunCleanupsScope BodyScope(*
this);
1057 BreakContinueStack.pop_back();
1061 llvm::ConstantInt *
C = dyn_cast<llvm::ConstantInt>(BoolCondVal);
1062 bool CondIsConstInt =
C;
1063 bool EmitBoolCondBranch = !
C || !
C->isZero();
1072 if (EmitBoolCondBranch) {
1075 BoolCondVal, LoopBody,
LoopExit.getBlock(),
1076 createProfileWeightsForLoop(S.getCond(), BackedgeCount));
1086 if (!EmitBoolCondBranch)
1099 LexicalScope ForScope(*
this, S.getSourceRange());
1109 llvm::BasicBlock *CondBlock = CondDest.getBlock();
1113 bool CondIsConstInt =
1123 LexicalScope ConditionScope(*
this, S.getSourceRange());
1134 Continue = CondDest;
1135 else if (!S.getConditionVariable())
1137 BreakContinueStack.push_back(BreakContinue(
LoopExit, Continue));
1142 if (S.getConditionVariable()) {
1143 EmitDecl(*S.getConditionVariable());
1148 BreakContinueStack.back().ContinueBlock = Continue;
1156 llvm::BasicBlock *ExitBlock =
LoopExit.getBlock();
1159 if (ForScope.requiresCleanups())
1168 llvm::MDNode *Weights =
1169 createProfileWeightsForLoop(S.getCond(),
getProfileCount(S.getBody()));
1171 BoolCondVal = emitCondLikelihoodViaExpectIntrinsic(
1174 Builder.CreateCondBr(BoolCondVal, ForBody, ExitBlock, Weights);
1176 if (ExitBlock !=
LoopExit.getBlock()) {
1195 RunCleanupsScope BodyScope(*
this);
1207 BreakContinueStack.pop_back();
1209 ConditionScope.ForceCleanup();
1214 ForScope.ForceCleanup();
1232 LexicalScope ForScope(*
this, S.getSourceRange());
1254 llvm::BasicBlock *ExitBlock =
LoopExit.getBlock();
1255 if (ForScope.requiresCleanups())
1264 llvm::MDNode *Weights =
1265 createProfileWeightsForLoop(S.getCond(),
getProfileCount(S.getBody()));
1267 BoolCondVal = emitCondLikelihoodViaExpectIntrinsic(
1269 Builder.CreateCondBr(BoolCondVal, ForBody, ExitBlock, Weights);
1271 if (ExitBlock !=
LoopExit.getBlock()) {
1286 BreakContinueStack.push_back(BreakContinue(
LoopExit, Continue));
1290 LexicalScope BodyScope(*
this, S.getSourceRange());
1300 BreakContinueStack.pop_back();
1304 ForScope.ForceCleanup();
1317void CodeGenFunction::EmitReturnOfRValue(
RValue RV,
QualType Ty) {
1333struct SaveRetExprRAII {
1335 : OldRetExpr(CGF.RetExpr), CGF(CGF) {
1338 ~SaveRetExprRAII() { CGF.RetExpr = OldRetExpr; }
1339 const Expr *OldRetExpr;
1348 if (calleeQualType->isFunctionPointerType() ||
1349 calleeQualType->isFunctionReferenceType() ||
1350 calleeQualType->isBlockPointerType() ||
1351 calleeQualType->isMemberFunctionPointerType()) {
1353 }
else if (
auto *ty = dyn_cast<FunctionType>(calleeQualType)) {
1355 }
else if (
auto CMCE = dyn_cast<CXXMemberCallExpr>(CE)) {
1356 if (
auto methodDecl = CMCE->getMethodDecl()) {
1372 if (requiresReturnValueCheck()) {
1375 new llvm::GlobalVariable(
CGM.
getModule(), SLoc->getType(),
false,
1376 llvm::GlobalVariable::PrivateLinkage, SLoc);
1377 SLocPtr->setUnnamedAddr(llvm::GlobalValue::UnnamedAddr::Global);
1379 assert(ReturnLocation.
isValid() &&
"No valid return location");
1386 Builder.ClearInsertionPoint();
1390 const Expr *RV = S.getRetValue();
1400 SaveRetExprRAII SaveRetExpr(RV, *
this);
1402 RunCleanupsScope cleanupScope(*
this);
1403 if (
const auto *EWC = dyn_cast_or_null<ExprWithCleanups>(RV))
1404 RV = EWC->getSubExpr();
1408 std::optional<llvm::SaveAndRestore<const CallExpr *>> SaveMustTail;
1411 if (
auto CE = dyn_cast<CallExpr>(RV)) {
1421 if (
getLangOpts().ElideConstructors && S.getNRVOCandidate() &&
1422 S.getNRVOCandidate()->isNRVOVariable() &&
1433 if (llvm::Value *NRVOFlag =
NRVOFlags[S.getNRVOCandidate()])
1470 ++NumSimpleReturnExprs;
1472 cleanupScope.ForceCleanup();
1482 for (
const auto *I : S.decls())
1487 assert(!BreakContinueStack.empty() &&
"break stmt not in a loop or switch!");
1499 assert(!BreakContinueStack.empty() &&
"continue stmt not in a loop!");
1515 assert(S.getRHS() &&
"Expected RHS value in CaseStmt");
1517 llvm::APSInt LHS = S.getLHS()->EvaluateKnownConstInt(
getContext());
1518 llvm::APSInt RHS = S.getRHS()->EvaluateKnownConstInt(
getContext());
1528 if (LHS.isSigned() ? RHS.slt(LHS) : RHS.ult(LHS))
1532 llvm::APInt
Range = RHS - LHS;
1534 if (
Range.ult(llvm::APInt(
Range.getBitWidth(), 64))) {
1537 unsigned NCases =
Range.getZExtValue() + 1;
1542 uint64_t Weight = Total / NCases,
Rem = Total % NCases;
1543 for (
unsigned I = 0; I != NCases; ++I) {
1545 SwitchWeights->push_back(Weight + (Rem ? 1 : 0));
1546 else if (SwitchLikelihood)
1547 SwitchLikelihood->push_back(LH);
1551 SwitchInsn->addCase(
Builder.getInt(LHS), CaseDest);
1559 llvm::BasicBlock *RestoreBB =
Builder.GetInsertBlock();
1564 llvm::BasicBlock *FalseDest = CaseRangeBlock;
1568 Builder.SetInsertPoint(CaseRangeBlock);
1572 Builder.CreateSub(SwitchInsn->getCondition(),
Builder.getInt(LHS));
1576 llvm::MDNode *Weights =
nullptr;
1577 if (SwitchWeights) {
1579 uint64_t DefaultCount = (*SwitchWeights)[0];
1580 Weights = createProfileWeights(ThisCount, DefaultCount);
1585 (*SwitchWeights)[0] += ThisCount;
1586 }
else if (SwitchLikelihood)
1587 Cond = emitCondLikelihoodViaExpectIntrinsic(Cond, LH);
1589 Builder.CreateCondBr(Cond, CaseDest, FalseDest, Weights);
1593 Builder.SetInsertPoint(RestoreBB);
1595 Builder.ClearInsertionPoint();
1616 llvm::ConstantInt *CaseVal =
1621 if (
auto ICE = dyn_cast<ImplicitCastExpr>(S.getLHS()))
1622 CE = dyn_cast<ConstantExpr>(ICE->getSubExpr());
1624 CE = dyn_cast<ConstantExpr>(S.getLHS());
1626 if (
auto DE = dyn_cast<DeclRefExpr>(CE->
getSubExpr()))
1629 Dbg->EmitGlobalVariable(DE->getDecl(),
1630 APValue(llvm::APSInt(CaseVal->getValue())));
1633 if (SwitchLikelihood)
1641 isa<BreakStmt>(S.getSubStmt())) {
1642 JumpDest
Block = BreakContinueStack.back().BreakBlock;
1648 SwitchInsn->addCase(CaseVal,
Block.getBlock());
1652 if (
Builder.GetInsertBlock()) {
1654 Builder.ClearInsertionPoint();
1664 SwitchInsn->addCase(CaseVal, CaseDest);
1680 const CaseStmt *NextCase = dyn_cast<CaseStmt>(S.getSubStmt());
1683 while (NextCase && NextCase->
getRHS() ==
nullptr) {
1685 llvm::ConstantInt *CaseVal =
1696 if (SwitchLikelihood)
1699 SwitchInsn->addCase(CaseVal, CaseDest);
1700 NextCase = dyn_cast<CaseStmt>(CurCase->
getSubStmt());
1723 llvm::BasicBlock *DefaultBlock = SwitchInsn->getDefaultDest();
1724 assert(DefaultBlock->empty() &&
1725 "EmitDefaultStmt: Default block already defined?");
1727 if (SwitchLikelihood)
1769 if (
const SwitchCase *SC = dyn_cast<SwitchCase>(S)) {
1783 if (!Case && isa<BreakStmt>(S))
1788 if (
const CompoundStmt *CS = dyn_cast<CompoundStmt>(S)) {
1792 bool StartedInLiveCode = FoundCase;
1793 unsigned StartSize = ResultStmts.size();
1800 bool HadSkippedDecl =
false;
1804 for (; Case && I != E; ++I) {
1820 for (++I; I != E; ++I)
1830 assert(FoundCase &&
"Didn't find case but returned fallthrough?");
1845 assert(!HadSkippedDecl &&
"fallthrough after skipping decl");
1850 bool AnyDecls =
false;
1851 for (; I != E; ++I) {
1864 for (++I; I != E; ++I)
1881 ResultStmts.resize(StartSize);
1882 ResultStmts.push_back(S);
1906 ResultStmts.push_back(S);
1915 const llvm::APSInt &ConstantCondValue,
1921 const SwitchCase *Case = S.getSwitchCaseList();
1927 if (
const DefaultStmt *DS = dyn_cast<DefaultStmt>(Case)) {
1933 const CaseStmt *CS = cast<CaseStmt>(Case);
1935 if (CS->
getRHS())
return false;
1960 bool FoundCase =
false;
1967static std::optional<SmallVector<uint64_t, 16>>
1970 if (Likelihoods.size() <= 1)
1971 return std::nullopt;
1973 uint64_t NumUnlikely = 0;
1974 uint64_t NumNone = 0;
1975 uint64_t NumLikely = 0;
1976 for (
const auto LH : Likelihoods) {
1991 if (NumUnlikely == 0 && NumLikely == 0)
1992 return std::nullopt;
2000 const uint64_t Likely = INT32_MAX / (NumLikely + 2);
2001 const uint64_t
None = Likely / (NumNone + 1);
2002 const uint64_t Unlikely = 0;
2005 Result.reserve(Likelihoods.size());
2006 for (
const auto LH : Likelihoods) {
2009 Result.push_back(Unlikely);
2015 Result.push_back(Likely);
2025 llvm::SwitchInst *SavedSwitchInsn = SwitchInsn;
2028 llvm::BasicBlock *SavedCRBlock = CaseRangeBlock;
2032 llvm::APSInt ConstantCondValue;
2040 RunCleanupsScope ExecutedScope(*
this);
2047 if (S.getConditionVariable())
2048 EmitDecl(*S.getConditionVariable());
2053 SwitchInsn =
nullptr;
2057 for (
unsigned i = 0, e = CaseStmts.size(); i != e; ++i)
2063 SwitchInsn = SavedSwitchInsn;
2071 RunCleanupsScope ConditionScope(*
this);
2076 if (S.getConditionVariable())
2077 EmitDecl(*S.getConditionVariable());
2085 SwitchInsn =
Builder.CreateSwitch(CondV, DefaultBlock);
2089 unsigned NumCases = 0;
2090 for (
const SwitchCase *Case = S.getSwitchCaseList();
2093 if (isa<DefaultStmt>(Case))
2098 SwitchWeights->reserve(NumCases);
2101 SwitchWeights->push_back(DefaultCount);
2108 CaseRangeBlock = DefaultBlock;
2111 Builder.ClearInsertionPoint();
2115 JumpDest OuterContinue;
2116 if (!BreakContinueStack.empty())
2117 OuterContinue = BreakContinueStack.back().ContinueBlock;
2119 BreakContinueStack.push_back(BreakContinue(SwitchExit, OuterContinue));
2124 BreakContinueStack.pop_back();
2128 SwitchInsn->setDefaultDest(CaseRangeBlock);
2131 if (!DefaultBlock->getParent()) {
2134 if (ConditionScope.requiresCleanups()) {
2139 DefaultBlock->replaceAllUsesWith(SwitchExit.getBlock());
2140 delete DefaultBlock;
2144 ConditionScope.ForceCleanup();
2153 auto *
Call = dyn_cast<CallExpr>(S.getCond());
2155 auto *FD = dyn_cast_or_null<FunctionDecl>(
Call->getCalleeDecl());
2156 if (FD && FD->getBuiltinID() == Builtin::BI__builtin_unpredictable) {
2158 SwitchInsn->setMetadata(llvm::LLVMContext::MD_unpredictable,
2159 MDHelper.createUnpredictable());
2163 if (SwitchWeights) {
2164 assert(SwitchWeights->size() == 1 + SwitchInsn->getNumCases() &&
2165 "switch weights do not match switch cases");
2167 if (SwitchWeights->size() > 1)
2168 SwitchInsn->setMetadata(llvm::LLVMContext::MD_prof,
2169 createProfileWeights(*SwitchWeights));
2170 delete SwitchWeights;
2171 }
else if (SwitchLikelihood) {
2172 assert(SwitchLikelihood->size() == 1 + SwitchInsn->getNumCases() &&
2173 "switch likelihoods do not match switch cases");
2174 std::optional<SmallVector<uint64_t, 16>> LHW =
2178 SwitchInsn->setMetadata(llvm::LLVMContext::MD_prof,
2179 createProfileWeights(*LHW));
2181 delete SwitchLikelihood;
2183 SwitchInsn = SavedSwitchInsn;
2184 SwitchWeights = SavedSwitchWeights;
2185 SwitchLikelihood = SavedSwitchLikelihood;
2186 CaseRangeBlock = SavedCRBlock;
2194 while (*Constraint) {
2195 switch (*Constraint) {
2207 while (Constraint[1] && Constraint[1] !=
',')
2213 while (Constraint[1] && Constraint[1] == *Constraint)
2224 "Must pass output names to constraints with a symbolic name");
2226 bool result =
Target.resolveSymbolicName(Constraint, *OutCons, Index);
2227 assert(result &&
"Could not resolve symbolic name"); (void)result;
2228 Result += llvm::utostr(Index);
2246 std::string *GCCReg =
nullptr) {
2247 const DeclRefExpr *AsmDeclRef = dyn_cast<DeclRefExpr>(&AsmExpr);
2256 AsmLabelAttr *
Attr = Variable->getAttr<AsmLabelAttr>();
2259 StringRef Register =
Attr->getLabel();
2260 assert(
Target.isValidGCCRegisterName(Register));
2264 if (
Target.validateOutputConstraint(Info) &&
2270 Register =
Target.getNormalizedGCCRegisterName(Register);
2271 if (GCCReg !=
nullptr)
2272 *GCCReg = Register.str();
2273 return (EarlyClobber ?
"&{" :
"{") + Register.str() +
"}";
2276std::pair<llvm::Value*, llvm::Type *> CodeGenFunction::EmitAsmInputLValue(
2285 if ((Size <= 64 && llvm::isPowerOf2_64(Size)) ||
2296 ConstraintStr +=
'*';
2300std::pair<llvm::Value *, llvm::Type *>
2302 const Expr *InputExpr,
2303 std::string &ConstraintStr) {
2311 llvm::APSInt IntResult;
2314 return {llvm::ConstantInt::get(
getLLVMContext(), IntResult),
nullptr};
2326 if (InputExpr->
getStmtClass() == Expr::CXXThisExprClass)
2330 return EmitAsmInputLValue(Info, Dest, InputExpr->
getType(), ConstraintStr,
2342 Locs.push_back(llvm::ConstantAsMetadata::get(llvm::ConstantInt::get(
2345 if (!StrVal.empty()) {
2348 unsigned StartToken = 0;
2349 unsigned ByteOffset = 0;
2353 for (
unsigned i = 0, e = StrVal.size() - 1; i != e; ++i) {
2354 if (StrVal[i] !=
'\n')
continue;
2356 i + 1,
SM, LangOpts, CGF.
getTarget(), &StartToken, &ByteOffset);
2357 Locs.push_back(llvm::ConstantAsMetadata::get(
2366 bool HasUnwindClobber,
bool ReadOnly,
2367 bool ReadNone,
bool NoMerge,
const AsmStmt &S,
2368 const std::vector<llvm::Type *> &ResultRegTypes,
2369 const std::vector<llvm::Type *> &ArgElemTypes,
2371 std::vector<llvm::Value *> &RegResults) {
2372 if (!HasUnwindClobber)
2373 Result.addFnAttr(llvm::Attribute::NoUnwind);
2376 Result.addFnAttr(llvm::Attribute::NoMerge);
2378 if (!HasSideEffect) {
2380 Result.setDoesNotAccessMemory();
2382 Result.setOnlyReadsMemory();
2386 for (
auto Pair : llvm::enumerate(ArgElemTypes)) {
2388 auto Attr = llvm::Attribute::get(
2389 CGF.
getLLVMContext(), llvm::Attribute::ElementType, Pair.value());
2396 if (
const auto *gccAsmStmt = dyn_cast<GCCAsmStmt>(&S))
2397 Result.setMetadata(
"srcloc",
2401 llvm::Constant *Loc =
2402 llvm::ConstantInt::get(CGF.
Int64Ty, S.getAsmLoc().getRawEncoding());
2403 Result.setMetadata(
"srcloc",
2405 llvm::ConstantAsMetadata::get(Loc)));
2413 Result.addFnAttr(llvm::Attribute::Convergent);
2415 if (ResultRegTypes.size() == 1) {
2416 RegResults.push_back(&
Result);
2418 for (
unsigned i = 0, e = ResultRegTypes.size(); i != e; ++i) {
2419 llvm::Value *Tmp = CGF.
Builder.CreateExtractValue(&
Result, i,
"asmresult");
2420 RegResults.push_back(Tmp);
2432 const llvm::BitVector &ResultTypeRequiresCast,
2433 const llvm::BitVector &ResultRegIsFlagReg) {
2438 assert(RegResults.size() == ResultRegTypes.size());
2439 assert(RegResults.size() == ResultTruncRegTypes.size());
2440 assert(RegResults.size() == ResultRegDests.size());
2443 assert(ResultTypeRequiresCast.size() <= ResultRegDests.size());
2444 assert(ResultRegIsFlagReg.size() <= ResultRegDests.size());
2446 for (
unsigned i = 0, e = RegResults.size(); i != e; ++i) {
2447 llvm::Value *Tmp = RegResults[i];
2448 llvm::Type *TruncTy = ResultTruncRegTypes[i];
2450 if ((i < ResultRegIsFlagReg.size()) && ResultRegIsFlagReg[i]) {
2453 llvm::Constant *Two = llvm::ConstantInt::get(Tmp->getType(), 2);
2454 llvm::Value *IsBooleanValue =
2455 Builder.CreateCmp(llvm::CmpInst::ICMP_ULT, Tmp, Two);
2457 Builder.CreateCall(FnAssume, IsBooleanValue);
2462 if (ResultRegTypes[i] != TruncTy) {
2466 if (TruncTy->isFloatingPointTy())
2467 Tmp =
Builder.CreateFPTrunc(Tmp, TruncTy);
2468 else if (TruncTy->isPointerTy() && Tmp->getType()->isIntegerTy()) {
2471 Tmp, llvm::IntegerType::get(CTX, (
unsigned)ResSize));
2472 Tmp =
Builder.CreateIntToPtr(Tmp, TruncTy);
2473 }
else if (Tmp->getType()->isPointerTy() && TruncTy->isIntegerTy()) {
2477 Tmp, llvm::IntegerType::get(CTX, (
unsigned)TmpSize));
2478 Tmp =
Builder.CreateTrunc(Tmp, TruncTy);
2479 }
else if (Tmp->getType()->isIntegerTy() && TruncTy->isIntegerTy()) {
2480 Tmp =
Builder.CreateZExtOrTrunc(Tmp, TruncTy);
2481 }
else if (Tmp->getType()->isVectorTy() || TruncTy->isVectorTy()) {
2482 Tmp =
Builder.CreateBitCast(Tmp, TruncTy);
2486 LValue Dest = ResultRegDests[i];
2489 if ((i < ResultTypeRequiresCast.size()) && ResultTypeRequiresCast[i]) {
2500 const Expr *OutExpr = S.getOutputExpr(i);
2502 diag::err_store_value_to_reg);
2513 constexpr auto Name =
"__ASM__hipstdpar_unsupported";
2516 if (
auto GCCAsm = dyn_cast<GCCAsmStmt>(&S))
2517 Asm = GCCAsm->getAsmString()->getString();
2521 auto StrTy = llvm::ConstantDataArray::getString(Ctx,
Asm);
2522 auto FnTy = llvm::FunctionType::get(llvm::Type::getVoidTy(Ctx),
2523 {StrTy->getType()},
false);
2524 auto UBF = CGF->
CGM.
getModule().getOrInsertFunction(Name, FnTy);
2526 CGF->
Builder.CreateCall(UBF, {StrTy});
2531 CodeGenFunction::RunCleanupsScope Cleanups(*
this);
2534 std::string AsmString = S.generateAsmString(
getContext());
2541 bool IsValidTargetAsm =
true;
2542 for (
unsigned i = 0, e = S.getNumOutputs(); i != e && IsValidTargetAsm; i++) {
2544 if (
const GCCAsmStmt *GAS = dyn_cast<GCCAsmStmt>(&S))
2545 Name = GAS->getOutputName(i);
2548 if (IsHipStdPar && !IsValid)
2549 IsValidTargetAsm =
false;
2551 assert(IsValid &&
"Failed to parse output constraint");
2552 OutputConstraintInfos.push_back(Info);
2555 for (
unsigned i = 0, e = S.getNumInputs(); i != e && IsValidTargetAsm; i++) {
2557 if (
const GCCAsmStmt *GAS = dyn_cast<GCCAsmStmt>(&S))
2558 Name = GAS->getInputName(i);
2562 if (IsHipStdPar && !IsValid)
2563 IsValidTargetAsm =
false;
2565 assert(IsValid &&
"Failed to parse input constraint");
2566 InputConstraintInfos.push_back(Info);
2569 if (!IsValidTargetAsm)
2572 std::string Constraints;
2574 std::vector<LValue> ResultRegDests;
2575 std::vector<QualType> ResultRegQualTys;
2576 std::vector<llvm::Type *> ResultRegTypes;
2577 std::vector<llvm::Type *> ResultTruncRegTypes;
2578 std::vector<llvm::Type *> ArgTypes;
2579 std::vector<llvm::Type *> ArgElemTypes;
2580 std::vector<llvm::Value*> Args;
2581 llvm::BitVector ResultTypeRequiresCast;
2582 llvm::BitVector ResultRegIsFlagReg;
2585 std::string InOutConstraints;
2586 std::vector<llvm::Value*> InOutArgs;
2587 std::vector<llvm::Type*> InOutArgTypes;
2588 std::vector<llvm::Type*> InOutArgElemTypes;
2591 std::vector<std::string> OutputConstraints;
2594 llvm::SmallSet<std::string, 8> PhysRegOutputs;
2602 bool ReadOnly =
true, ReadNone =
true;
2604 for (
unsigned i = 0, e = S.getNumOutputs(); i != e; i++) {
2608 std::string OutputConstraint(S.getOutputConstraint(i));
2612 const Expr *OutExpr = S.getOutputExpr(i);
2621 if (!GCCReg.empty() && !PhysRegOutputs.insert(GCCReg).second)
2622 CGM.
Error(S.getAsmLoc(),
"multiple outputs to hard register: " + GCCReg);
2624 OutputConstraints.push_back(OutputConstraint);
2626 if (!Constraints.empty())
2636 Constraints +=
"=" + OutputConstraint;
2637 ResultRegQualTys.push_back(QTy);
2638 ResultRegDests.push_back(Dest);
2640 bool IsFlagReg = llvm::StringRef(OutputConstraint).starts_with(
"{@cc");
2641 ResultRegIsFlagReg.push_back(IsFlagReg);
2646 Ty->isAggregateType());
2648 ResultTruncRegTypes.push_back(Ty);
2649 ResultTypeRequiresCast.push_back(RequiresCast);
2655 ResultRegTypes.push_back(Ty);
2661 for (InputNo = 0; InputNo != S.getNumInputs(); ++InputNo) {
2666 assert(InputNo != S.getNumInputs() &&
"Didn't find matching input!");
2668 QualType InputTy = S.getInputExpr(InputNo)->getType();
2677 if (llvm::Type* AdjTy =
2679 ResultRegTypes.back()))
2680 ResultRegTypes.back() = AdjTy;
2683 diag::err_asm_invalid_type_in_input)
2684 << OutExpr->
getType() << OutputConstraint;
2688 if (
auto *VT = dyn_cast<llvm::VectorType>(ResultRegTypes.back()))
2689 LargestVectorWidth =
2690 std::max((uint64_t)LargestVectorWidth,
2691 VT->getPrimitiveSizeInBits().getKnownMinValue());
2702 ArgTypes.push_back(DestAddr.
getType());
2705 Constraints +=
"=*";
2706 Constraints += OutputConstraint;
2707 ReadOnly = ReadNone =
false;
2711 InOutConstraints +=
',';
2713 const Expr *InputExpr = S.getOutputExpr(i);
2715 llvm::Type *ArgElemType;
2716 std::tie(Arg, ArgElemType) = EmitAsmInputLValue(
2717 Info, Dest, InputExpr->
getType(), InOutConstraints,
2720 if (llvm::Type* AdjTy =
2723 Arg =
Builder.CreateBitCast(Arg, AdjTy);
2726 if (
auto *VT = dyn_cast<llvm::VectorType>(Arg->getType()))
2727 LargestVectorWidth =
2728 std::max((uint64_t)LargestVectorWidth,
2729 VT->getPrimitiveSizeInBits().getKnownMinValue());
2732 InOutConstraints += llvm::utostr(i);
2734 InOutConstraints += OutputConstraint;
2736 InOutArgTypes.push_back(Arg->getType());
2737 InOutArgElemTypes.push_back(ArgElemType);
2738 InOutArgs.push_back(Arg);
2744 if (isa<MSAsmStmt>(&S)) {
2750 *
this, ReturnSlot, Constraints, ResultRegTypes, ResultTruncRegTypes,
2751 ResultRegDests, AsmString, S.getNumOutputs());
2756 for (
unsigned i = 0, e = S.getNumInputs(); i != e; i++) {
2757 const Expr *InputExpr = S.getInputExpr(i);
2764 if (!Constraints.empty())
2768 std::string InputConstraint(S.getInputConstraint(i));
2770 &OutputConstraintInfos);
2776 std::string ReplaceConstraint (InputConstraint);
2778 llvm::Type *ArgElemType;
2779 std::tie(Arg, ArgElemType) = EmitAsmInput(Info, InputExpr, Constraints);
2788 QualType OutputType = S.getOutputExpr(Output)->getType();
2794 if (isa<llvm::PointerType>(Arg->getType()))
2797 if (isa<llvm::IntegerType>(OutputTy))
2798 Arg =
Builder.CreateZExt(Arg, OutputTy);
2799 else if (isa<llvm::PointerType>(OutputTy))
2801 else if (OutputTy->isFloatingPointTy())
2802 Arg =
Builder.CreateFPExt(Arg, OutputTy);
2805 ReplaceConstraint = OutputConstraints[Output];
2807 if (llvm::Type* AdjTy =
2810 Arg =
Builder.CreateBitCast(Arg, AdjTy);
2813 << InputExpr->
getType() << InputConstraint;
2816 if (
auto *VT = dyn_cast<llvm::VectorType>(Arg->getType()))
2817 LargestVectorWidth =
2818 std::max((uint64_t)LargestVectorWidth,
2819 VT->getPrimitiveSizeInBits().getKnownMinValue());
2821 ArgTypes.push_back(Arg->getType());
2822 ArgElemTypes.push_back(ArgElemType);
2823 Args.push_back(Arg);
2824 Constraints += InputConstraint;
2828 for (
unsigned i = 0, e = InOutArgs.size(); i != e; i++) {
2829 ArgTypes.push_back(InOutArgTypes[i]);
2830 ArgElemTypes.push_back(InOutArgElemTypes[i]);
2831 Args.push_back(InOutArgs[i]);
2833 Constraints += InOutConstraints;
2837 llvm::BasicBlock *Fallthrough =
nullptr;
2838 bool IsGCCAsmGoto =
false;
2839 if (
const auto *GS = dyn_cast<GCCAsmStmt>(&S)) {
2840 IsGCCAsmGoto = GS->isAsmGoto();
2842 for (
const auto *E : GS->labels()) {
2844 Transfer.push_back(Dest.getBlock());
2845 if (!Constraints.empty())
2847 Constraints +=
"!i";
2853 bool HasUnwindClobber =
false;
2856 for (
unsigned i = 0, e = S.getNumClobbers(); i != e; i++) {
2857 StringRef Clobber = S.getClobber(i);
2859 if (Clobber ==
"memory")
2860 ReadOnly = ReadNone =
false;
2861 else if (Clobber ==
"unwind") {
2862 HasUnwindClobber =
true;
2864 }
else if (Clobber !=
"cc") {
2869 diag::warn_stack_clash_protection_inline_asm);
2873 if (isa<MSAsmStmt>(&S)) {
2874 if (Clobber ==
"eax" || Clobber ==
"edx") {
2875 if (Constraints.find(
"=&A") != std::string::npos)
2877 std::string::size_type position1 =
2878 Constraints.find(
"={" + Clobber.str() +
"}");
2879 if (position1 != std::string::npos) {
2880 Constraints.insert(position1 + 1,
"&");
2883 std::string::size_type position2 = Constraints.find(
"=A");
2884 if (position2 != std::string::npos) {
2885 Constraints.insert(position2 + 1,
"&");
2890 if (!Constraints.empty())
2893 Constraints +=
"~{";
2894 Constraints += Clobber;
2898 assert(!(HasUnwindClobber && IsGCCAsmGoto) &&
2899 "unwind clobber can't be used with asm goto");
2903 if (!MachineClobbers.empty()) {
2904 if (!Constraints.empty())
2906 Constraints += MachineClobbers;
2909 llvm::Type *ResultType;
2910 if (ResultRegTypes.empty())
2912 else if (ResultRegTypes.size() == 1)
2913 ResultType = ResultRegTypes[0];
2915 ResultType = llvm::StructType::get(
getLLVMContext(), ResultRegTypes);
2917 llvm::FunctionType *FTy =
2918 llvm::FunctionType::get(ResultType, ArgTypes,
false);
2920 bool HasSideEffect = S.isVolatile() || S.getNumOutputs() == 0;
2922 llvm::InlineAsm::AsmDialect GnuAsmDialect =
2924 ? llvm::InlineAsm::AD_ATT
2925 : llvm::InlineAsm::AD_Intel;
2926 llvm::InlineAsm::AsmDialect AsmDialect = isa<MSAsmStmt>(&S) ?
2927 llvm::InlineAsm::AD_Intel : GnuAsmDialect;
2929 llvm::InlineAsm *IA = llvm::InlineAsm::get(
2930 FTy, AsmString, Constraints, HasSideEffect,
2931 false, AsmDialect, HasUnwindClobber);
2932 std::vector<llvm::Value*> RegResults;
2933 llvm::CallBrInst *CBR;
2934 llvm::DenseMap<llvm::BasicBlock *, SmallVector<llvm::Value *, 4>>
2937 CBR =
Builder.CreateCallBr(IA, Fallthrough, Transfer, Args);
2945 if (!RegResults.empty()) {
2947 for (llvm::BasicBlock *Dest : CBR->getIndirectDests()) {
2948 llvm::Twine SynthName = Dest->getName() +
".split";
2950 llvm::IRBuilderBase::InsertPointGuard IPG(
Builder);
2951 Builder.SetInsertPoint(SynthBB);
2953 if (ResultRegTypes.size() == 1) {
2954 CBRRegResults[SynthBB].push_back(CBR);
2956 for (
unsigned j = 0, e = ResultRegTypes.size(); j != e; ++j) {
2957 llvm::Value *Tmp =
Builder.CreateExtractValue(CBR, j,
"asmresult");
2958 CBRRegResults[SynthBB].push_back(Tmp);
2964 CBR->setIndirectDest(i++, SynthBB);
2967 }
else if (HasUnwindClobber) {
2980 EmitAsmStores(*
this, S, RegResults, ResultRegTypes, ResultTruncRegTypes,
2981 ResultRegDests, ResultRegQualTys, ResultTypeRequiresCast,
2982 ResultRegIsFlagReg);
2987 if (IsGCCAsmGoto && !CBRRegResults.empty()) {
2988 for (llvm::BasicBlock *Succ : CBR->getIndirectDests()) {
2989 llvm::IRBuilderBase::InsertPointGuard IPG(
Builder);
2990 Builder.SetInsertPoint(Succ, --(Succ->end()));
2991 EmitAsmStores(*
this, S, CBRRegResults[Succ], ResultRegTypes,
2992 ResultTruncRegTypes, ResultRegDests, ResultRegQualTys,
2993 ResultTypeRequiresCast, ResultRegIsFlagReg);
2999 const RecordDecl *RD = S.getCapturedRecordDecl();
3008 E = S.capture_init_end();
3009 I != E; ++I, ++CurField) {
3011 if (CurField->hasCapturedVLAType()) {
3029 CGCapturedStmtRAII CapInfoRAII(CGF,
new CGCapturedStmtInfo(S, K));
3030 llvm::Function *F = CGF.GenerateCapturedStmtFunction(S);
3031 delete CGF.CapturedStmtInfo;
3048 "CapturedStmtInfo should be set when generating the captured function");
3050 const RecordDecl *RD = S.getCapturedRecordDecl();
3052 assert(CD->
hasBody() &&
"missing CapturedDecl body");
3065 llvm::Function::Create(FuncLLVMTy, llvm::GlobalValue::InternalLinkage,
3069 F->addFnAttr(llvm::Attribute::NoUnwind);
3081 for (
auto *FD : RD->
fields()) {
3082 if (FD->hasCapturedVLAType()) {
3086 auto VAT = FD->getCapturedVLAType();
3087 VLASizeMap[VAT->getSizeExpr()] = ExprArg;
Defines enum values for all the target-independent builtin functions.
static std::string AddVariableConstraints(const std::string &Constraint, const Expr &AsmExpr, const TargetInfo &Target, CodeGenModule &CGM, const AsmStmt &Stmt, const bool EarlyClobber, std::string *GCCReg=nullptr)
AddVariableConstraints - Look at AsmExpr and if it is a variable declared as using a particular regis...
static bool FindCaseStatementsForValue(const SwitchStmt &S, const llvm::APSInt &ConstantCondValue, SmallVectorImpl< const Stmt * > &ResultStmts, ASTContext &C, const SwitchCase *&ResultCase)
FindCaseStatementsForValue - Find the case statement being jumped to and then invoke CollectStatement...
static void EmitHipStdParUnsupportedAsm(CodeGenFunction *CGF, const AsmStmt &S)
static std::optional< SmallVector< uint64_t, 16 > > getLikelihoodWeights(ArrayRef< Stmt::Likelihood > Likelihoods)
static llvm::MDNode * getAsmSrcLocInfo(const StringLiteral *Str, CodeGenFunction &CGF)
getAsmSrcLocInfo - Return the !srcloc metadata node to attach to an inline asm call instruction.
static std::string SimplifyConstraint(const char *Constraint, const TargetInfo &Target, SmallVectorImpl< TargetInfo::ConstraintInfo > *OutCons=nullptr)
static bool isSwiftAsyncCallee(const CallExpr *CE)
Determine if the given call uses the swiftasync calling convention.
static void UpdateAsmCallInst(llvm::CallBase &Result, bool HasSideEffect, bool HasUnwindClobber, bool ReadOnly, bool ReadNone, bool NoMerge, const AsmStmt &S, const std::vector< llvm::Type * > &ResultRegTypes, const std::vector< llvm::Type * > &ArgElemTypes, CodeGenFunction &CGF, std::vector< llvm::Value * > &RegResults)
static CSFC_Result CollectStatementsForCase(const Stmt *S, const SwitchCase *Case, bool &FoundCase, SmallVectorImpl< const Stmt * > &ResultStmts)
static void EmitAsmStores(CodeGenFunction &CGF, const AsmStmt &S, const llvm::ArrayRef< llvm::Value * > RegResults, const llvm::ArrayRef< llvm::Type * > ResultRegTypes, const llvm::ArrayRef< llvm::Type * > ResultTruncRegTypes, const llvm::ArrayRef< LValue > ResultRegDests, const llvm::ArrayRef< QualType > ResultRegQualTys, const llvm::BitVector &ResultTypeRequiresCast, const llvm::BitVector &ResultRegIsFlagReg)
CSFC_Result
CollectStatementsForCase - Given the body of a 'switch' statement and a constant value that is being ...
llvm::MachO::Target Target
Defines the PrettyStackTraceEntry class, which is used to make crashes give more contextual informati...
Defines the SourceManager interface.
APValue - This class implements a discriminated union of [uninitialized] [APSInt] [APFloat],...
bool toIntegralConstant(APSInt &Result, QualType SrcTy, const ASTContext &Ctx) const
Try to convert this value to an integral constant.
Holds long-lived AST nodes (such as types and decls) that can be referred to throughout the semantic ...
SourceManager & getSourceManager()
QualType getTagDeclType(const TagDecl *Decl) const
Return the unique reference to the type for the specified TagDecl (struct/union/class/enum) decl.
QualType getRecordType(const RecordDecl *Decl) const
QualType getIntTypeForBitwidth(unsigned DestWidth, unsigned Signed) const
getIntTypeForBitwidth - sets integer QualTy according to specified details: bitwidth,...
uint64_t getTypeSize(QualType T) const
Return the size of the specified (complete) type T, in bits.
AsmStmt is the base class for GCCAsmStmt and MSAsmStmt.
Attr - This represents one attribute.
Represents an attribute applied to a statement.
BreakStmt - This represents a break.
CXXForRangeStmt - This represents C++0x [stmt.ranged]'s ranged for statement, represented as 'for (ra...
CallExpr - Represents a function call (C99 6.5.2.2, C++ [expr.call]).
Represents the body of a CapturedStmt, and serves as its DeclContext.
ImplicitParamDecl * getContextParam() const
Retrieve the parameter containing captured variables.
param_iterator param_end() const
Retrieve an iterator one past the last parameter decl.
param_iterator param_begin() const
Retrieve an iterator pointing to the first parameter decl.
Stmt * getBody() const override
getBody - If this Decl represents a declaration for a body of code, such as a function or method defi...
This captures a statement into a function.
Expr *const * const_capture_init_iterator
Const iterator that walks over the capture initialization arguments.
CapturedRegionKind getCapturedRegionKind() const
Retrieve the captured region kind.
CaseStmt - Represent a case statement.
bool hasProfileClangInstr() const
Check if Clang profile instrumenation is on.
bool hasReducedDebugInfo() const
Check if type and variable info should be emitted.
ABIArgInfo - Helper class to encapsulate information about how a specific C type should be passed to ...
Like RawAddress, an abstract representation of an aligned address, but the pointer contained in this ...
llvm::Value * emitRawPointer(CodeGenFunction &CGF) const
Return the pointer contained in this class after authenticating it and adding offset to it if necessa...
llvm::Type * getElementType() const
Return the type of the values stored in this address.
Address withElementType(llvm::Type *ElemTy) const
Return address with different element type, but same pointer and alignment.
llvm::PointerType * getType() const
Return the type of the pointer value.
static AggValueSlot forAddr(Address addr, Qualifiers quals, IsDestructed_t isDestructed, NeedsGCBarriers_t needsGC, IsAliased_t isAliased, Overlap_t mayOverlap, IsZeroed_t isZeroed=IsNotZeroed, IsSanitizerChecked_t isChecked=IsNotSanitizerChecked)
forAddr - Make a slot for an aggregate value.
static ApplyDebugLocation CreateEmpty(CodeGenFunction &CGF)
Set the IRBuilder to not attach debug locations.
llvm::StoreInst * CreateFlagStore(bool Value, llvm::Value *Addr)
Emit a store to an i1 flag variable.
llvm::StoreInst * CreateStore(llvm::Value *Val, Address Addr, bool IsVolatile=false)
llvm::LoadInst * CreateLoad(Address Addr, const llvm::Twine &Name="")
This class gathers all debug information during compilation and is responsible for emitting to llvm g...
CGFunctionInfo - Class to encapsulate the information about a function definition.
ABIArgInfo & getReturnInfo()
CallingConv getASTCallingConvention() const
getASTCallingConvention() - Return the AST-specified calling convention.
virtual Address getAddressOfLocalVariable(CodeGenFunction &CGF, const VarDecl *VD)
Gets the OpenMP-specific address of the local variable.
virtual llvm::Value * getContextValue() const
virtual void setContextValue(llvm::Value *V)
bool isCXXThisExprCaptured() const
virtual FieldDecl * getThisFieldDecl() const
virtual void EmitBody(CodeGenFunction &CGF, const Stmt *S)
Emit the captured statement body.
virtual StringRef getHelperName() const
Get the name of the capture helper.
void rescopeLabels()
Change the cleanup scope of the labels in this lexical scope to match the scope of the enclosing cont...
void addLabel(const LabelDecl *label)
CodeGenFunction - This class organizes the per-function state that is used while generating LLVM code...
void EmitForStmt(const ForStmt &S, ArrayRef< const Attr * > Attrs=std::nullopt)
void EmitGotoStmt(const GotoStmt &S)
void EmitOMPTargetTeamsDirective(const OMPTargetTeamsDirective &S)
void FinishFunction(SourceLocation EndLoc=SourceLocation())
FinishFunction - Complete IR generation of the current function.
void EmitOMPParallelGenericLoopDirective(const OMPLoopDirective &S)
static TypeEvaluationKind getEvaluationKind(QualType T)
getEvaluationKind - Return the TypeEvaluationKind of QualType T.
static bool ContainsLabel(const Stmt *S, bool IgnoreCaseStmts=false)
ContainsLabel - Return true if the statement contains a label in it.
void EmitBranchOnBoolExpr(const Expr *Cond, llvm::BasicBlock *TrueBlock, llvm::BasicBlock *FalseBlock, uint64_t TrueCount, Stmt::Likelihood LH=Stmt::LH_None, const Expr *ConditionalOp=nullptr)
EmitBranchOnBoolExpr - Emit a branch on a boolean condition (e.g.
JumpDest getJumpDestInCurrentScope(llvm::BasicBlock *Target)
The given basic block lies in the current EH scope, but may be a target of a potentially scope-crossi...
void EmitSehCppScopeBegin()
void EmitIfStmt(const IfStmt &S)
void EmitOMPOrderedDirective(const OMPOrderedDirective &S)
void EmitOMPTargetDirective(const OMPTargetDirective &S)
llvm::DenseMap< const VarDecl *, llvm::Value * > NRVOFlags
A mapping from NRVO variables to the flags used to indicate when the NRVO has been applied to this va...
bool IsOutlinedSEHHelper
True if the current function is an outlined SEH helper.
void EmitOMPAtomicDirective(const OMPAtomicDirective &S)
void EmitOMPTargetEnterDataDirective(const OMPTargetEnterDataDirective &S)
void EmitOMPParallelMasterTaskLoopDirective(const OMPParallelMasterTaskLoopDirective &S)
Address EmitCompoundStmtWithoutScope(const CompoundStmt &S, bool GetLast=false, AggValueSlot AVS=AggValueSlot::ignored())
void EmitStoreThroughLValue(RValue Src, LValue Dst, bool isInit=false)
EmitStoreThroughLValue - Store the specified rvalue into the specified lvalue, where both are guarant...
static bool hasScalarEvaluationKind(QualType T)
CGCapturedStmtInfo * CapturedStmtInfo
void EmitIndirectGotoStmt(const IndirectGotoStmt &S)
void EmitDecl(const Decl &D)
EmitDecl - Emit a declaration.
void EmitCXXTryStmt(const CXXTryStmt &S)
bool EmitSimpleStmt(const Stmt *S, ArrayRef< const Attr * > Attrs)
EmitSimpleStmt - Try to emit a "simple" statement which does not necessarily require an insertion poi...
void EmitLabel(const LabelDecl *D)
EmitLabel - Emit the block for the given label.
void EmitOMPTeamsDistributeParallelForDirective(const OMPTeamsDistributeParallelForDirective &S)
void EmitOMPTaskDirective(const OMPTaskDirective &S)
void EmitOMPScanDirective(const OMPScanDirective &S)
void EmitOMPTaskLoopDirective(const OMPTaskLoopDirective &S)
void EmitOMPMasterTaskLoopSimdDirective(const OMPMasterTaskLoopSimdDirective &S)
LValue EmitLValue(const Expr *E, KnownNonNull_t IsKnownNonNull=NotKnownNonNull)
EmitLValue - Emit code to compute a designator that specifies the location of the expression.
void EmitCaseStmt(const CaseStmt &S, ArrayRef< const Attr * > Attrs)
llvm::BasicBlock * createBasicBlock(const Twine &name="", llvm::Function *parent=nullptr, llvm::BasicBlock *before=nullptr)
createBasicBlock - Create an LLVM basic block.
void EmitDefaultStmt(const DefaultStmt &S, ArrayRef< const Attr * > Attrs)
const LangOptions & getLangOpts() const
void EmitOMPDistributeSimdDirective(const OMPDistributeSimdDirective &S)
void EmitOMPDistributeParallelForDirective(const OMPDistributeParallelForDirective &S)
LValue EmitLValueForFieldInitialization(LValue Base, const FieldDecl *Field)
EmitLValueForFieldInitialization - Like EmitLValueForField, except that if the Field is a reference,...
void EmitBlock(llvm::BasicBlock *BB, bool IsFinished=false)
EmitBlock - Emit the given block.
void EmitObjCAtThrowStmt(const ObjCAtThrowStmt &S)
void EmitOMPTeamsGenericLoopDirective(const OMPTeamsGenericLoopDirective &S)
void EmitOMPTeamsDistributeDirective(const OMPTeamsDistributeDirective &S)
SmallVector< llvm::OperandBundleDef, 1 > getBundlesForFunclet(llvm::Value *Callee)
void SimplifyForwardingBlocks(llvm::BasicBlock *BB)
SimplifyForwardingBlocks - If the given basic block is only a branch to another basic block,...
RValue EmitLoadOfLValue(LValue V, SourceLocation Loc)
EmitLoadOfLValue - Given an expression that represents a value lvalue, this method emits the address ...
void EmitOMPParallelDirective(const OMPParallelDirective &S)
void EmitAnyExprToMem(const Expr *E, Address Location, Qualifiers Quals, bool IsInitializer)
EmitAnyExprToMem - Emits the code necessary to evaluate an arbitrary expression into the given memory...
void EmitBlockAfterUses(llvm::BasicBlock *BB)
EmitBlockAfterUses - Emit the given block somewhere hopefully near its uses, and leave the insertion ...
void EmitContinueStmt(const ContinueStmt &S)
void EmitIgnoredExpr(const Expr *E)
EmitIgnoredExpr - Emit an expression in a context which ignores the result.
bool InNoMergeAttributedStmt
True if the current statement has nomerge attribute.
llvm::Type * ConvertTypeForMem(QualType T)
void EmitOMPDistributeParallelForSimdDirective(const OMPDistributeParallelForSimdDirective &S)
LValue MakeAddrLValueWithoutTBAA(Address Addr, QualType T, AlignmentSource Source=AlignmentSource::Type)
void EmitOMPForSimdDirective(const OMPForSimdDirective &S)
JumpDest ReturnBlock
ReturnBlock - Unified return block.
bool checkIfLoopMustProgress(bool HasConstantCond)
Returns true if a loop must make progress, which means the mustprogress attribute can be added.
LValue EmitLValueForField(LValue Base, const FieldDecl *Field)
RawAddress CreateMemTemp(QualType T, const Twine &Name="tmp", RawAddress *Alloca=nullptr)
CreateMemTemp - Create a temporary memory object of the given type, with appropriate alignmen and cas...
void EmitOMPFlushDirective(const OMPFlushDirective &S)
void EmitSEHLeaveStmt(const SEHLeaveStmt &S)
void EmitAttributedStmt(const AttributedStmt &S)
void EmitOMPCancelDirective(const OMPCancelDirective &S)
void EmitOMPGenericLoopDirective(const OMPGenericLoopDirective &S)
void EmitOMPTargetTeamsDistributeDirective(const OMPTargetTeamsDistributeDirective &S)
void EmitCaseStmtRange(const CaseStmt &S, ArrayRef< const Attr * > Attrs)
const TargetInfo & getTarget() const
void EmitOMPTaskgroupDirective(const OMPTaskgroupDirective &S)
llvm::DebugLoc SourceLocToDebugLoc(SourceLocation Location)
Converts Location to a DebugLoc, if debug information is enabled.
llvm::Value * getTypeSize(QualType Ty)
Returns calculated size of the specified type.
void EmitLabelStmt(const LabelStmt &S)
void EmitOMPDepobjDirective(const OMPDepobjDirective &S)
const Expr * RetExpr
If a return statement is being visited, this holds the return statment's result expression.
void EmitInitializerForField(FieldDecl *Field, LValue LHS, Expr *Init)
void EmitComplexExprIntoLValue(const Expr *E, LValue dest, bool isInit)
EmitComplexExprIntoLValue - Emit the given expression of complex type and place its result into the s...
void EmitOMPSingleDirective(const OMPSingleDirective &S)
void EmitOMPTargetTeamsGenericLoopDirective(const OMPTargetTeamsGenericLoopDirective &S)
void EmitBlockWithFallThrough(llvm::BasicBlock *BB, const Stmt *S)
void EmitSimpleOMPExecutableDirective(const OMPExecutableDirective &D)
Emit simple code for OpenMP directives in Simd-only mode.
void EmitOMPDistributeDirective(const OMPDistributeDirective &S)
RValue EmitAnyExpr(const Expr *E, AggValueSlot aggSlot=AggValueSlot::ignored(), bool ignoreResult=false)
EmitAnyExpr - Emit code to compute the specified expression which can have any type.
void EmitOMPParallelForDirective(const OMPParallelForDirective &S)
void EmitOMPTeamsDirective(const OMPTeamsDirective &S)
uint64_t getCurrentProfileCount()
Get the profiler's current count.
void StartFunction(GlobalDecl GD, QualType RetTy, llvm::Function *Fn, const CGFunctionInfo &FnInfo, const FunctionArgList &Args, SourceLocation Loc=SourceLocation(), SourceLocation StartLoc=SourceLocation())
Emit code for the start of a function.
void EmitOMPUnrollDirective(const OMPUnrollDirective &S)
void EmitOMPParallelMasterTaskLoopSimdDirective(const OMPParallelMasterTaskLoopSimdDirective &S)
void EmitOMPTargetDataDirective(const OMPTargetDataDirective &S)
bool HaveInsertPoint() const
HaveInsertPoint - True if an insertion point is defined.
llvm::Constant * EmitCheckSourceLocation(SourceLocation Loc)
Emit a description of a source location in a format suitable for passing to a runtime sanitizer handl...
void EmitSwitchStmt(const SwitchStmt &S)
CGDebugInfo * getDebugInfo()
void EmitOMPTargetTeamsDistributeParallelForSimdDirective(const OMPTargetTeamsDistributeParallelForSimdDirective &S)
void EmitOMPTeamsDistributeParallelForSimdDirective(const OMPTeamsDistributeParallelForSimdDirective &S)
void EmitBranch(llvm::BasicBlock *Block)
EmitBranch - Emit a branch to the specified basic block from the current insert block,...
llvm::Function * GenerateCapturedStmtFunction(const CapturedStmt &S)
void EmitAggregateCopy(LValue Dest, LValue Src, QualType EltTy, AggValueSlot::Overlap_t MayOverlap, bool isVolatile=false)
EmitAggregateCopy - Emit an aggregate copy.
void EmitSEHTryStmt(const SEHTryStmt &S)
void EmitOMPInteropDirective(const OMPInteropDirective &S)
const TargetCodeGenInfo & getTargetHooks() const
LValue MakeNaturalAlignRawAddrLValue(llvm::Value *V, QualType T)
RValue EmitReferenceBindingToExpr(const Expr *E)
Emits a reference binding to the passed in expression.
void EmitAggExpr(const Expr *E, AggValueSlot AS)
EmitAggExpr - Emit the computation of the specified expression of aggregate type.
void EmitDeclStmt(const DeclStmt &S)
bool InNoInlineAttributedStmt
True if the current statement has noinline attribute.
void EmitOMPTargetParallelDirective(const OMPTargetParallelDirective &S)
void EmitOMPParallelMaskedDirective(const OMPParallelMaskedDirective &S)
void EmitCoroutineBody(const CoroutineBodyStmt &S)
Address EmitCompoundStmt(const CompoundStmt &S, bool GetLast=false, AggValueSlot AVS=AggValueSlot::ignored())
void EmitDoStmt(const DoStmt &S, ArrayRef< const Attr * > Attrs=std::nullopt)
void EmitOMPParallelForSimdDirective(const OMPParallelForSimdDirective &S)
ASTContext & getContext() const
void EmitCXXForRangeStmt(const CXXForRangeStmt &S, ArrayRef< const Attr * > Attrs=std::nullopt)
void EmitBranchThroughCleanup(JumpDest Dest)
EmitBranchThroughCleanup - Emit a branch from the current insert block through the normal cleanup han...
bool ConstantFoldsToSimpleInteger(const Expr *Cond, bool &Result, bool AllowLabels=false)
ConstantFoldsToSimpleInteger - If the specified expression does not fold to a constant,...
void EmitOMPTileDirective(const OMPTileDirective &S)
JumpDest getJumpDestForLabel(const LabelDecl *S)
getBasicBlockForLabel - Return the LLVM basicblock that the specified label maps to.
void EmitObjCAtSynchronizedStmt(const ObjCAtSynchronizedStmt &S)
llvm::Function * EmitCapturedStmt(const CapturedStmt &S, CapturedRegionKind K)
llvm::Type * ConvertType(QualType T)
void EmitOMPSectionsDirective(const OMPSectionsDirective &S)
llvm::CallBase * EmitCallOrInvoke(llvm::FunctionCallee Callee, ArrayRef< llvm::Value * > Args, const Twine &Name="")
bool InAlwaysInlineAttributedStmt
True if the current statement has always_inline attribute.
void EmitOMPTargetSimdDirective(const OMPTargetSimdDirective &S)
void EmitOMPTaskyieldDirective(const OMPTaskyieldDirective &S)
void EmitOpenACCComputeConstruct(const OpenACCComputeConstruct &S)
void EmitOMPSimdDirective(const OMPSimdDirective &S)
void EmitOMPCriticalDirective(const OMPCriticalDirective &S)
void EmitObjCAutoreleasePoolStmt(const ObjCAutoreleasePoolStmt &S)
void EmitOMPForDirective(const OMPForDirective &S)
void EmitOMPMetaDirective(const OMPMetaDirective &S)
llvm::Value * EvaluateExprAsBool(const Expr *E)
EvaluateExprAsBool - Perform the usual unary conversions on the specified expression and compare the ...
void EmitOMPTargetUpdateDirective(const OMPTargetUpdateDirective &S)
LValue InitCapturedStruct(const CapturedStmt &S)
void EmitOMPParallelMasterDirective(const OMPParallelMasterDirective &S)
void EmitReturnStmt(const ReturnStmt &S)
unsigned NextCleanupDestIndex
AggValueSlot::Overlap_t getOverlapForReturnValue()
Determine whether a return value slot may overlap some other object.
void EmitOMPTargetTeamsDistributeSimdDirective(const OMPTargetTeamsDistributeSimdDirective &S)
void EmitOMPMasterDirective(const OMPMasterDirective &S)
void EmitOMPMasterTaskLoopDirective(const OMPMasterTaskLoopDirective &S)
void EmitOMPTargetParallelGenericLoopDirective(const OMPTargetParallelGenericLoopDirective &S)
static bool mightAddDeclToScope(const Stmt *S)
Determine if the given statement might introduce a declaration into the current scope,...
void EmitOMPMaskedDirective(const OMPMaskedDirective &S)
uint64_t getProfileCount(const Stmt *S)
Get the profiler's count for the given statement.
static bool hasAggregateEvaluationKind(QualType T)
void EmitOMPTaskwaitDirective(const OMPTaskwaitDirective &S)
void EmitOMPTargetParallelForSimdDirective(const OMPTargetParallelForSimdDirective &S)
LValue MakeAddrLValue(Address Addr, QualType T, AlignmentSource Source=AlignmentSource::Type)
void EmitStoreOfComplex(ComplexPairTy V, LValue dest, bool isInit)
EmitStoreOfComplex - Store a complex number into the specified l-value.
void EmitBreakStmt(const BreakStmt &S)
Address GenerateCapturedStmtArgument(const CapturedStmt &S)
void EmitLambdaVLACapture(const VariableArrayType *VAT, LValue LV)
const CallExpr * MustTailCall
const CGFunctionInfo * CurFnInfo
bool isObviouslyBranchWithoutCleanups(JumpDest Dest) const
isObviouslyBranchWithoutCleanups - Return true if a branch to the specified destination obviously has...
Address GetAddrOfLocalVar(const VarDecl *VD)
GetAddrOfLocalVar - Return the address of a local variable.
void EmitCoreturnStmt(const CoreturnStmt &S)
Address ReturnValue
ReturnValue - The temporary alloca to hold the return value.
void EmitOMPTargetExitDataDirective(const OMPTargetExitDataDirective &S)
void EmitOMPErrorDirective(const OMPErrorDirective &S)
void EmitOMPSectionDirective(const OMPSectionDirective &S)
void EmitOMPBarrierDirective(const OMPBarrierDirective &S)
void EmitStopPoint(const Stmt *S)
EmitStopPoint - Emit a debug stoppoint if we are emitting debug info.
void EmitOMPCancellationPointDirective(const OMPCancellationPointDirective &S)
void EmitStmt(const Stmt *S, ArrayRef< const Attr * > Attrs=std::nullopt)
EmitStmt - Emit the code for the statement.
void EmitWhileStmt(const WhileStmt &S, ArrayRef< const Attr * > Attrs=std::nullopt)
void EnsureInsertPoint()
EnsureInsertPoint - Ensure that an insertion point is defined so that emitted IR has a place to go.
void EmitObjCForCollectionStmt(const ObjCForCollectionStmt &S)
llvm::LLVMContext & getLLVMContext()
void EmitOMPTaskLoopSimdDirective(const OMPTaskLoopSimdDirective &S)
bool SawAsmBlock
Whether we processed a Microsoft-style asm block during CodeGen.
llvm::Value * EmitScalarExpr(const Expr *E, bool IgnoreResultAssign=false)
EmitScalarExpr - Emit the computation of the specified expression of LLVM scalar type,...
void ResolveBranchFixups(llvm::BasicBlock *Target)
void EmitOMPTargetTeamsDistributeParallelForDirective(const OMPTargetTeamsDistributeParallelForDirective &S)
void incrementProfileCounter(const Stmt *S, llvm::Value *StepV=nullptr)
Increment the profiler's counter for the given statement by StepV.
void EmitOMPParallelSectionsDirective(const OMPParallelSectionsDirective &S)
void EmitOMPCanonicalLoop(const OMPCanonicalLoop *S)
Emit an OMPCanonicalLoop using the OpenMPIRBuilder.
void EmitOMPTeamsDistributeSimdDirective(const OMPTeamsDistributeSimdDirective &S)
llvm::BasicBlock * GetIndirectGotoBlock()
void EmitAsmStmt(const AsmStmt &S)
void EmitObjCAtTryStmt(const ObjCAtTryStmt &S)
void EmitOMPTargetParallelForDirective(const OMPTargetParallelForDirective &S)
static bool containsBreak(const Stmt *S)
containsBreak - Return true if the statement contains a break out of it.
This class organizes the cross-function state that is used while generating LLVM code.
void SetInternalFunctionAttributes(GlobalDecl GD, llvm::Function *F, const CGFunctionInfo &FI)
Set the attributes on the LLVM function for the given decl and function info.
llvm::Module & getModule() const
DiagnosticsEngine & getDiags() const
void ErrorUnsupported(const Stmt *S, const char *Type)
Print out an error that codegen doesn't support the specified stmt yet.
const LangOptions & getLangOpts() const
CodeGenTypes & getTypes()
const llvm::DataLayout & getDataLayout() const
void Error(SourceLocation loc, StringRef error)
Emit a general error that something can't be done.
CGOpenMPRuntime & getOpenMPRuntime()
Return a reference to the configured OpenMP runtime.
SanitizerMetadata * getSanitizerMetadata()
ASTContext & getContext() const
const TargetCodeGenInfo & getTargetCodeGenInfo()
const CodeGenOptions & getCodeGenOpts() const
llvm::LLVMContext & getLLVMContext()
llvm::Function * getIntrinsic(unsigned IID, ArrayRef< llvm::Type * > Tys=std::nullopt)
void assignRegionCounters(GlobalDecl GD, llvm::Function *Fn)
Assign counters to regions and configure them for PGO of a given function.
void setCurrentStmt(const Stmt *S)
If the execution count for the current statement is known, record that as the current count.
bool haveRegionCounts() const
Whether or not we have PGO region data for the current function.
llvm::FunctionType * GetFunctionType(const CGFunctionInfo &Info)
GetFunctionType - Get the LLVM function type for.
const CGFunctionInfo & arrangeBuiltinFunctionDeclaration(QualType resultType, const FunctionArgList &args)
A builtin function is a freestanding function using the default C conventions.
A saved depth on the scope stack.
bool encloses(stable_iterator I) const
Returns true if this scope encloses I.
static stable_iterator invalid()
stable_iterator getInnermostNormalCleanup() const
Returns the innermost normal cleanup on the stack, or stable_end() if there are no normal cleanups.
stable_iterator stable_begin() const
Create a stable reference to the top of the EH stack.
bool empty() const
Determines whether the exception-scopes stack is empty.
bool hasNormalCleanups() const
Determines whether there are any normal cleanups on the stack.
static stable_iterator stable_end()
Create a stable reference to the bottom of the EH stack.
FunctionArgList - Type for representing both the decl and type of parameters to a function.
LValue - This represents an lvalue references.
Address getAddress(CodeGenFunction &CGF) const
llvm::Value * getPointer(CodeGenFunction &CGF) const
void pop()
End the current loop.
void push(llvm::BasicBlock *Header, const llvm::DebugLoc &StartLoc, const llvm::DebugLoc &EndLoc)
Begin a new structured loop.
RValue - This trivial value class is used to represent the result of an expression that is evaluated.
static RValue get(llvm::Value *V)
Address getAggregateAddress() const
getAggregateAddr() - Return the Value* of the address of the aggregate.
llvm::Value * getScalarVal() const
getScalarVal() - Return the Value* of this scalar value.
std::pair< llvm::Value *, llvm::Value * > getComplexVal() const
getComplexVal - Return the real/imag components of this complex value.
virtual void addReturnRegisterOutputs(CodeGen::CodeGenFunction &CGF, CodeGen::LValue ReturnValue, std::string &Constraints, std::vector< llvm::Type * > &ResultRegTypes, std::vector< llvm::Type * > &ResultTruncRegTypes, std::vector< CodeGen::LValue > &ResultRegDests, std::string &AsmString, unsigned NumOutputs) const
Adds constraints and types for result registers.
virtual bool isScalarizableAsmOperand(CodeGen::CodeGenFunction &CGF, llvm::Type *Ty) const
Target hook to decide whether an inline asm operand can be passed by value.
CompoundStmt - This represents a group of statements like { stmt stmt }.
Stmt *const * const_body_iterator
ConstantExpr - An expression that occurs in a constant context and optionally the result of evaluatin...
ContinueStmt - This represents a continue.
specific_decl_iterator - Iterates over a subrange of declarations stored in a DeclContext,...
A reference to a declared variable, function, enum, etc.
DeclStmt - Adaptor class for mixing declarations with statements and expressions.
SourceLocation getBodyRBrace() const
getBodyRBrace - Gets the right brace of the body, if a body exists.
virtual bool hasBody() const
Returns true if this Decl represents a declaration for a body of code, such as a function or method d...
SourceLocation getLocation() const
DiagnosticBuilder Report(SourceLocation Loc, unsigned DiagID)
Issue the message to the client.
DoStmt - This represents a 'do/while' stmt.
This represents one expression.
bool EvaluateAsInt(EvalResult &Result, const ASTContext &Ctx, SideEffectsKind AllowSideEffects=SE_NoSideEffects, bool InConstantContext=false) const
EvaluateAsInt - Return true if this is a constant which we can fold and convert to an integer,...
Expr * IgnoreParenNoopCasts(const ASTContext &Ctx) LLVM_READONLY
Skip past any parentheses and casts which do not change the value (including ptr->int casts of the sa...
llvm::APSInt EvaluateKnownConstInt(const ASTContext &Ctx, SmallVectorImpl< PartialDiagnosticAt > *Diag=nullptr) const
EvaluateKnownConstInt - Call EvaluateAsRValue and return the folded integer.
Expr * IgnoreParens() LLVM_READONLY
Skip past any parentheses which might surround this expression until reaching a fixed point.
bool isEvaluatable(const ASTContext &Ctx, SideEffectsKind AllowSideEffects=SE_NoSideEffects) const
isEvaluatable - Call EvaluateAsRValue to see if this expression can be constant folded without side-e...
bool EvaluateAsRValue(EvalResult &Result, const ASTContext &Ctx, bool InConstantContext=false) const
EvaluateAsRValue - Return true if this is a constant which we can fold to an rvalue using any crazy t...
bool HasSideEffects(const ASTContext &Ctx, bool IncludePossibleEffects=true) const
HasSideEffects - This routine returns true for all those expressions which have any effect other than...
SourceLocation getExprLoc() const LLVM_READONLY
getExprLoc - Return the preferred location for the arrow when diagnosing a problem with a generic exp...
Represents a member of a struct/union/class.
ForStmt - This represents a 'for (init;cond;inc)' stmt.
const Expr * getSubExpr() const
FunctionType - C99 6.7.5.3 - Function Declarators.
CallingConv getCallConv() const
This represents a GCC inline-assembly statement extension.
GlobalDecl - represents a global declaration.
GotoStmt - This represents a direct goto.
IfStmt - This represents an if/then/else.
IndirectGotoStmt - This represents an indirect goto.
Represents the declaration of a label.
LabelStmt * getStmt() const
LabelStmt - Represents a label, which has a substatement.
Keeps track of the various options that can be enabled, which controls the dialect of C or C++ that i...
bool assumeFunctionsAreConvergent() const
Represents a point when we exit a loop.
StringRef getName() const
Get the name of identifier for this declaration as a StringRef.
If a crash happens while one of these objects are live, the message is printed out along with the spe...
A (possibly-)qualified type.
bool isNull() const
Return true if this QualType doesn't point to a type yet.
QualType getCanonicalType() const
The collection of all-type qualifiers we support.
Represents a struct/union/class.
field_range fields() const
field_iterator field_begin() const
ReturnStmt - This represents a return, optionally of an expression: return; return 4;.
Scope - A scope is a transient data structure that is used while parsing the program.
Encodes a location in the source.
UIntTy getRawEncoding() const
When a SourceLocation itself cannot be used, this returns an (opaque) 32-bit integer encoding for it.
This class handles loading and caching of source files into memory.
A trivial tuple used to represent a source range.
SourceLocation getEnd() const
SourceLocation getBegin() const
Stmt - This represents one statement.
StmtClass getStmtClass() const
Likelihood
The likelihood of a branch being taken.
@ LH_Unlikely
Branch has the [[unlikely]] attribute.
@ LH_None
No attribute set or branches of the IfStmt have the same attribute.
@ LH_Likely
Branch has the [[likely]] attribute.
static const Attr * getLikelihoodAttr(const Stmt *S)
SourceLocation getBeginLoc() const LLVM_READONLY
static Likelihood getLikelihood(ArrayRef< const Attr * > Attrs)
StringLiteral - This represents a string literal expression, e.g.
SourceLocation getBeginLoc() const LLVM_READONLY
SourceLocation getLocationOfByte(unsigned ByteNo, const SourceManager &SM, const LangOptions &Features, const TargetInfo &Target, unsigned *StartToken=nullptr, unsigned *StartTokenByteOffset=nullptr) const
getLocationOfByte - Return a source location that points to the specified byte of this string literal...
StringRef getString() const
const SwitchCase * getNextSwitchCase() const
SwitchStmt - This represents a 'switch' stmt.
Exposes information about the current target.
bool validateInputConstraint(MutableArrayRef< ConstraintInfo > OutputConstraints, ConstraintInfo &info) const
StringRef getNormalizedGCCRegisterName(StringRef Name, bool ReturnCanonical=false) const
Returns the "normalized" GCC register name.
bool validateOutputConstraint(ConstraintInfo &Info) const
virtual std::string_view getClobbers() const =0
Returns a string of target-specific clobbers, in LLVM format.
const T * castAs() const
Member-template castAs<specific type>.
bool isReferenceType() const
QualType getPointeeType() const
If this is a pointer, ObjC object pointer, or block pointer, this returns the respective pointee.
Represent the declaration of a variable (in which case it is an lvalue) a function (in which case it ...
Represents a variable declaration or definition.
WhileStmt - This represents a 'while' stmt.
Defines the clang::TargetInfo interface.
bool Rem(InterpState &S, CodePtr OpPC)
1) Pops the RHS from the stack.
The JSON file list parser is used to communicate input to InstallAPI.
CapturedRegionKind
The different kinds of captured statement.
@ Asm
Assembly: we accept this only so that we can preprocess it.
@ Result
The result type of a method or function.
Diagnostic wrappers for TextAPI types for error reporting.
cl::opt< bool > EnableSingleByteCoverage
A jump destination is an abstract label, branching to which may require a jump out through normal cle...
void setScopeDepth(EHScopeStack::stable_iterator depth)
EHScopeStack::stable_iterator getScopeDepth() const
llvm::IntegerType * Int64Ty
llvm::IntegerType * IntPtrTy
llvm::PointerType * Int8PtrTy
EvalResult is a struct with detailed info about an evaluated expression.
APValue Val
Val - This is the value the expression can be folded to.
bool hasMatchingInput() const
Return true if this output operand has a matching (tied) input operand.
unsigned getTiedOperand() const
bool allowsMemory() const
bool requiresImmediateConstant() const
bool hasTiedOperand() const
Return true if this input operand is a matching constraint that ties it to an output operand.
bool allowsRegister() const