24 #include "llvm/ADT/STLExtras.h" 25 #include "llvm/IR/CallSite.h" 26 #include "llvm/IR/DataLayout.h" 27 #include "llvm/IR/InlineAsm.h" 28 using namespace clang;
29 using namespace CodeGen;
42 return llvm::ConstantPointerNull::get(cast<llvm::PointerType>(type));
65 assert(BoxingMethod &&
"BoxingMethod is null");
66 assert(BoxingMethod->
isClassMethod() &&
"BoxingMethod must be a class method");
83 if (ValueType->isObjCBoxableRecordType()) {
108 Args, ClassDecl, BoxingMethod);
119 DLE = cast<ObjCDictionaryLiteral>(E);
122 uint64_t NumElements =
125 StringRef ConstantName = ALE ?
"__NSArray0__" :
"__NSDictionary0__";
127 llvm::Constant *Constant =
131 cast<llvm::LoadInst>(Ptr)->setMetadata(
154 bool TrackNeededObjects =
159 for (uint64_t i = 0; i < NumElements; i++) {
169 if (TrackNeededObjects) {
170 NeededObjects.push_back(value);
188 if (TrackNeededObjects) {
189 NeededObjects.push_back(keyValue);
190 NeededObjects.push_back(valueValue);
225 Receiver, Args, Class, MethodWithObjects);
231 if (TrackNeededObjects) {
292 if (
auto opaque = dyn_cast<OpaqueValueExpr>(receiver)) {
293 if (opaque->getSourceExpr())
298 if (!ice || ice->
getCastKind() != CK_LValueToRValue)
return true;
302 if (
auto opaque = dyn_cast<OpaqueValueExpr>(receiver)) {
303 if (opaque->getSourceExpr())
312 if (isa<MemberExpr>(receiver) || isa<ObjCIvarRefExpr>(receiver))
317 if (!declRef)
return true;
319 if (!var)
return true;
324 !var->
hasAttr<ObjCPreciseLifetimeAttr>());
337 llvm_unreachable(
"invalid receiver kind");
345 if (
auto CE = dyn_cast<CastExpr>(E)) {
346 if (CE->getCastKind() == CK_LValueToRValue) {
348 return CE->getSubExpr();
374 bool isClassMessage) {
382 if (isClassMessage &&
383 Runtime.shouldUseRuntimeFunctionsForAlloc() &&
390 Args.size() == 1 && Args.front().getType()->isPointerType() &&
392 const llvm::Value* arg = Args.front().getKnownRValue().getScalarVal();
393 if (isa<llvm::ConstantPointerNull>(arg))
404 Runtime.shouldUseARCFunctionsForRetainRelease())
411 Runtime.shouldUseARCFunctionsForRetainRelease())
418 Runtime.shouldUseARCFunctionsForRetainRelease()) {
459 method->
hasAttr<NSConsumesSelfAttr>());
462 bool isSuperMessage =
false;
463 bool isClassMessage =
false;
474 Receiver = ter.getPointer();
475 if (ter.getInt()) retainSelf =
false;
483 assert(ObjTy &&
"Invalid Objective-C class message send");
485 assert(OID &&
"Invalid Objective-C class message send");
486 Receiver = Runtime.
GetClass(*
this, OID);
487 isClassMessage =
true;
494 isSuperMessage =
true;
500 isSuperMessage =
true;
501 isClassMessage =
true;
512 method->
hasAttr<ObjCReturnsInnerPointerAttr>() &&
528 if (isDelegateInit) {
530 "delegate init calls should only be marked in ARC");
539 if (isSuperMessage) {
542 bool isCategoryImpl = isa<ObjCCategoryImplDecl>(OMD->
getDeclContext());
557 result =
RValue::get(SpecializedResult.getValue());
567 if (isDelegateInit) {
590 if (!iface->getSuperClass())
return;
592 bool isCategory = isa<ObjCCategoryImplDecl>(impl);
619 if (OMD->
hasAttr<NoDebugAttr>())
644 if (ident->
isStr(
"dealloc"))
657 assert(isa<CompoundStmt>(OMD->
getBody()));
666 bool isAtomic,
bool hasStrong) {
706 llvm::Triple::ArchType arch) {
716 class PropertyImplStrategy {
728 SetPropertyAndExpressionGet,
738 StrategyKind
getKind()
const {
return StrategyKind(
Kind); }
740 bool hasStrongMember()
const {
return HasStrong; }
741 bool isAtomic()
const {
return IsAtomic; }
742 bool isCopy()
const {
return IsCopy; }
744 CharUnits getIvarSize()
const {
return IvarSize; }
745 CharUnits getIvarAlignment()
const {
return IvarAlignment; }
752 unsigned IsAtomic : 1;
754 unsigned HasStrong : 1;
774 std::tie(IvarSize, IvarAlignment) =
780 Kind = GetSetProperty;
793 }
else if (CGM.
getLangOpts().ObjCAutoRefCount && !IsAtomic) {
803 Kind = SetPropertyAndExpressionGet;
809 }
else if (!IsAtomic) {
810 Kind = SetPropertyAndExpressionGet;
815 Kind = GetSetProperty;
846 HasStrong =
recordType->getDecl()->hasObjectMember();
861 if (!IvarSize.isPowerOfTwo()) {
866 llvm::Triple::ArchType arch =
894 llvm::Constant *AtomicHelperFn =
898 assert(OMD &&
"Invalid call to generate getter (empty method)");
908 if (!getter)
return true;
921 return (construct->getConstructor()->isTrivial());
925 assert(isa<ExprWithCleanups>(getter));
934 llvm::Constant *AtomicHelperFn) {
952 llvm::Constant *copyCppAtomicObjectFn =
964 llvm::Constant *AtomicHelperFn) {
967 if (!AtomicHelperFn) {
976 ivar, AtomicHelperFn);
988 PropertyImplStrategy strategy(CGM, propImpl);
989 switch (strategy.getKind()) {
990 case PropertyImplStrategy::Native: {
992 if (strategy.getIvarSize().isZero())
1001 bitcastType = bitcastType->getPointerTo();
1007 load->setAtomic(llvm::AtomicOrdering::Unordered);
1013 uint64_t retTySize = CGM.
getDataLayout().getTypeSizeInBits(retTy);
1015 if (ivarSize > retTySize) {
1017 ivarVal =
Builder.CreateTrunc(load, newTy);
1018 bitcastType = newTy->getPointerTo();
1028 case PropertyImplStrategy::GetSetProperty: {
1029 llvm::Constant *getPropertyFn =
1031 if (!getPropertyFn) {
1055 llvm::Instruction *CallInstruction;
1057 getTypes().arrangeBuiltinFunctionCall(propType, args),
1059 if (llvm::CallInst *call = dyn_cast<llvm::CallInst>(CallInstruction))
1060 call->setTailCall();
1069 EmitReturnOfRValue(RV, propType);
1077 case PropertyImplStrategy::CopyStruct:
1079 strategy.hasStrongMember());
1082 case PropertyImplStrategy::Expression:
1083 case PropertyImplStrategy::SetPropertyAndExpressionGet: {
1130 llvm_unreachable(
"bad evaluation kind");
1134 llvm_unreachable(
"bad @property implementation strategy!");
1186 llvm::Constant *AtomicHelperFn) {
1210 llvm::Constant *fn =
1221 if (!setter)
return true;
1231 if (
CallExpr *call = dyn_cast<CallExpr>(setter)) {
1233 = dyn_cast_or_null<FunctionDecl>(call->getCalleeDecl()))
1234 if (callee->isTrivial())
1239 assert(isa<ExprWithCleanups>(setter));
1252 llvm::Constant *AtomicHelperFn) {
1260 if (!AtomicHelperFn)
1270 PropertyImplStrategy strategy(CGM, propImpl);
1271 switch (strategy.getKind()) {
1272 case PropertyImplStrategy::Native: {
1274 if (strategy.getIvarSize().isZero())
1281 Address ivarAddr = ivarLValue.getAddress();
1287 getContext().toBits(strategy.getIvarSize()));
1298 store->setAtomic(llvm::AtomicOrdering::Unordered);
1302 case PropertyImplStrategy::GetSetProperty:
1303 case PropertyImplStrategy::SetPropertyAndExpressionGet: {
1305 llvm::Constant *setOptimizedPropertyFn =
nullptr;
1306 llvm::Constant *setPropertyFn =
nullptr;
1309 setOptimizedPropertyFn =
1313 if (!setOptimizedPropertyFn) {
1320 if (!setPropertyFn) {
1341 if (setOptimizedPropertyFn) {
1364 case PropertyImplStrategy::CopyStruct:
1368 case PropertyImplStrategy::Expression:
1377 selfDecl->
getType(), CK_LValueToRValue, &
self,
1381 &selfLoad,
true,
true);
1384 QualType argType = argDecl->getType().getNonReferenceType();
1395 if (ivarRef.getType()->isObjCObjectPointerType()) {
1396 if (argLoad.getType()->isObjCObjectPointerType())
1398 else if (argLoad.getType()->isBlockPointerType())
1399 argCK = CK_BlockPointerToObjCPointerCast;
1401 argCK = CK_CPointerToObjCPointerCast;
1402 }
else if (ivarRef.getType()->isBlockPointerType()) {
1403 if (argLoad.getType()->isBlockPointerType())
1406 argCK = CK_AnyPointerToBlockPointerCast;
1407 }
else if (ivarRef.getType()->isPointerType()) {
1411 ivarRef.getType(), argCK, &argLoad,
1413 Expr *finalArg = &argLoad;
1416 finalArg = &argCast;
1431 llvm::Constant *AtomicHelperFn =
1435 assert(OMD &&
"Invalid call to generate setter (empty method)");
1449 bool useEHCleanupForArray;
1453 bool useEHCleanupForArray)
1454 : addr(addr), ivar(ivar), destroyer(destroyer),
1455 useEHCleanupForArray(useEHCleanupForArray) {}
1461 flags.isForNormalCleanup() && useEHCleanupForArray);
1487 if (!dtorKind)
continue;
1503 CGF.
EHStack.pushCleanup<DestroyIvar>(cleanupKind,
self, ivar, destroyer,
1521 for (
const auto *IvarInit : IMP->
inits()) {
1522 FieldDecl *Field = IvarInit->getAnyMember();
1563 llvm::Constant *EnumerationMutationFnPtr =
1565 if (!EnumerationMutationFnPtr) {
1591 static const unsigned NumItems = 16;
1604 llvm::APInt(32, NumItems),
1640 llvm::Constant *Count = llvm::ConstantInt::get(NSUIntegerTy, NumItems);
1647 FastEnumSel, Collection, Args);
1655 llvm::Value *zero = llvm::Constant::getNullValue(NSUIntegerTy);
1662 Builder.CreateICmpEQ(initialBufferLimit, zero,
"iszero"), EmptyBB,
1679 "forcoll.initial-mutations");
1687 llvm::PHINode *index =
Builder.CreatePHI(NSUIntegerTy, 3,
"forcoll.index");
1688 index->addIncoming(zero, LoopInitBB);
1691 llvm::PHINode *count =
Builder.CreatePHI(NSUIntegerTy, 3,
"forcoll.count");
1692 count->addIncoming(initialBufferLimit, LoopInitBB);
1705 llvm::BasicBlock *WasNotMutatedBB =
createBasicBlock(
"forcoll.notmutated");
1707 Builder.CreateCondBr(
Builder.CreateICmpEQ(currentMutations, initialMutations),
1708 WasNotMutatedBB, WasMutatedBB);
1728 bool elementIsVariable;
1735 const VarDecl *D = cast<VarDecl>(SD->getSingleDecl());
1740 elementIsVariable =
true;
1745 elementLValue =
LValue();
1746 elementType = cast<Expr>(S.
getElement())->getType();
1747 elementIsVariable =
false;
1761 Builder.CreateGEP(EnumStateItems, index,
"currentitem.ptr");
1771 if (!elementIsVariable) {
1781 if (elementIsVariable)
1785 BreakContinueStack.push_back(BreakContinue(LoopEnd, AfterBody));
1790 BreakContinueStack.pop_back();
1802 Builder.CreateAdd(index, llvm::ConstantInt::get(NSUIntegerTy, 1));
1809 Builder.CreateICmpULT(indexPlusOne, count), LoopBodyBB, FetchMoreBB,
1812 index->addIncoming(indexPlusOne, AfterBody.getBlock());
1813 count->addIncoming(count, AfterBody.getBlock());
1821 FastEnumSel, Collection, Args);
1827 index->addIncoming(zero,
Builder.GetInsertBlock());
1828 count->addIncoming(refetchCount,
Builder.GetInsertBlock());
1831 EmptyBB, LoopBodyBB);
1836 if (!elementIsVariable) {
1839 llvm::Value *null = llvm::Constant::getNullValue(convertedElementType);
1866 CallObjCRelease(
llvm::Value *
object) : object(
object) {}
1896 fn = CGM.
getIntrinsic(llvm::Intrinsic::objc_clang_arc_use);
1904 llvm::Constant *RTF) {
1905 if (
auto *F = dyn_cast<llvm::Function>(RTF)) {
1911 F->setLinkage(llvm::Function::ExternalWeakLinkage);
1922 llvm::Constant *&fn,
1924 bool isTailCall =
false) {
1925 if (isa<llvm::ConstantPointerNull>(value))
1934 llvm::Type *origType = returnType ? returnType : value->getType();
1940 call->setTailCall();
1950 llvm::Constant *&fn,
1976 llvm::Constant *&fn,
1994 if (ignored)
return nullptr;
2004 llvm::Constant *&fn,
2026 llvm::Constant *&fn,
2028 if (isa<llvm::ConstantPointerNull>(value))
2032 llvm::FunctionType *fnType =
2037 if (llvm::Function *f = dyn_cast<llvm::Function>(fn))
2038 if (fnName ==
"objc_retain")
2039 f->addFnAttr(llvm::Attribute::NonLazyBind);
2043 llvm::Type *origType = returnType ? returnType : value->getType();
2068 llvm::Intrinsic::objc_retain);
2082 llvm::Intrinsic::objc_retainBlock);
2088 if (!mandatory && isa<llvm::Instruction>(result)) {
2089 llvm::CallInst *call
2090 = cast<llvm::CallInst>(result->stripPointerCasts());
2093 call->setMetadata(
"clang.arc.copy_on_escape",
2094 llvm::MDNode::get(
Builder.getContext(), None));
2103 llvm::InlineAsm *&marker
2111 if (assembly.empty()) {
2116 llvm::FunctionType *type =
2117 llvm::FunctionType::get(CGF.
VoidTy,
false);
2119 marker = llvm::InlineAsm::get(type, assembly,
"",
true);
2125 llvm::NamedMDNode *metadata =
2127 "clang.arc.retainAutoreleasedReturnValueMarker");
2128 assert(metadata->getNumOperands() <= 1);
2129 if (metadata->getNumOperands() == 0) {
2131 metadata->addOperand(llvm::MDNode::get(ctx,
2132 llvm::MDString::get(ctx, assembly)));
2152 llvm::Intrinsic::objc_retainAutoreleasedReturnValue);
2167 llvm::Intrinsic::objc_unsafeClaimAutoreleasedReturnValue);
2174 if (isa<llvm::ConstantPointerNull>(value))
return;
2189 call->setMetadata(
"clang.imprecise_release",
2190 llvm::MDNode::get(
Builder.getContext(), None));
2224 fn = CGM.
getIntrinsic(llvm::Intrinsic::objc_storeStrong);
2234 if (ignored)
return nullptr;
2279 llvm::Intrinsic::objc_autorelease);
2288 llvm::Intrinsic::objc_autoreleaseReturnValue,
2298 llvm::Intrinsic::objc_retainAutoreleaseReturnValue,
2312 if (isa<llvm::ConstantPointerNull>(value))
return value;
2327 llvm::Intrinsic::objc_retainAutorelease);
2335 llvm::Intrinsic::objc_loadWeak);
2342 llvm::Intrinsic::objc_loadWeakRetained);
2352 llvm::Intrinsic::objc_storeWeak, ignored);
2364 if (isa<llvm::ConstantPointerNull>(value) &&
2372 llvm::Intrinsic::objc_initWeak,
true);
2380 fn = CGM.
getIntrinsic(llvm::Intrinsic::objc_destroyWeak);
2396 llvm::Intrinsic::objc_moveWeak);
2405 llvm::Intrinsic::objc_copyWeak);
2428 fn = CGM.
getIntrinsic(llvm::Intrinsic::objc_autoreleasePoolPush);
2442 llvm::Constant *&fn =
2445 llvm::FunctionType *fnType =
2456 fn = CGM.
getIntrinsic(llvm::Intrinsic::objc_autoreleasePoolPop);
2479 AllocSel, Receiver, Args);
2488 InitSel, Receiver, Args);
2507 "objc_allocWithZone");
2550 "objc_autorelease");
2566 if (isa<llvm::ConstantPointerNull>(value))
return;
2571 llvm::FunctionType *fnType =
2576 if (llvm::Function *f = dyn_cast<llvm::Function>(fn))
2577 f->addFnAttr(llvm::Attribute::NonLazyBind);
2588 call->setMetadata(
"clang.imprecise_release",
2589 llvm::MDNode::get(
Builder.getContext(), None));
2597 CallObjCAutoreleasePoolObject(
llvm::Value *token) : Token(token) {}
2606 CallObjCMRRAutoreleasePoolObject(
llvm::Value *token) : Token(token) {}
2633 llvm_unreachable(
"impossible lifetime!");
2680 isa<BinaryOperator>(e) &&
2681 cast<BinaryOperator>(e)->getOpcode() == BO_Assign)
2687 if (
const auto *decl_expr = dyn_cast<DeclRefExpr>(e)) {
2706 if (llvm::CallInst *call = dyn_cast<llvm::CallInst>(value)) {
2707 CGBuilderTy::InsertPoint ip = CGF.
Builder.saveIP();
2710 CGF.
Builder.SetInsertPoint(call->getParent(),
2711 ++llvm::BasicBlock::iterator(call));
2712 value = doAfterCall(CGF, value);
2716 }
else if (llvm::InvokeInst *invoke = dyn_cast<llvm::InvokeInst>(value)) {
2717 CGBuilderTy::InsertPoint ip = CGF.
Builder.saveIP();
2720 llvm::BasicBlock *BB = invoke->getNormalDest();
2721 CGF.
Builder.SetInsertPoint(BB, BB->begin());
2722 value = doAfterCall(CGF, value);
2729 }
else if (llvm::BitCastInst *bitcast = dyn_cast<llvm::BitCastInst>(value)) {
2732 bitcast->setOperand(0, operand);
2739 return doFallback(CGF, value);
2772 bool allowUnsafeClaim) {
2773 if (allowUnsafeClaim &&
2791 if (isa<BlockExpr>(e))
2795 switch (
cast->getCastKind()) {
2797 case CK_LValueToRValue:
2798 case CK_ARCReclaimReturnedObject:
2799 case CK_ARCConsumeObject:
2800 case CK_ARCProduceObject:
2809 case CK_AnyPointerToBlockPointerCast:
2821 template <
typename Impl,
typename Result>
class ARCExprEmitter {
2824 Impl &asImpl() {
return *
static_cast<Impl*
>(
this); }
2829 Result visit(
const Expr *e);
2830 Result visitCastExpr(
const CastExpr *e);
2855 template <
typename Impl,
typename Result>
2857 ARCExprEmitter<Impl,Result>::visitPseudoObjectExpr(
const PseudoObjectExpr *E) {
2867 const Expr *semantic = *i;
2871 if (
const OpaqueValueExpr *ov = dyn_cast<OpaqueValueExpr>(semantic)) {
2877 if (ov == resultExpr) {
2878 assert(!OVMA::shouldBindAsLValue(ov));
2879 result = asImpl().visit(ov->getSourceExpr());
2880 opaqueData = OVMA::bind(CGF, ov,
2885 opaqueData = OVMA::bind(CGF, ov, ov->getSourceExpr());
2887 opaques.push_back(opaqueData);
2891 }
else if (semantic == resultExpr) {
2892 result = asImpl().visit(semantic);
2901 for (
unsigned i = 0, e = opaques.size(); i != e; ++i)
2902 opaques[i].unbind(CGF);
2907 template <
typename Impl,
typename Result>
2908 Result ARCExprEmitter<Impl,Result>::visitCastExpr(
const CastExpr *e) {
2916 case CK_CPointerToObjCPointerCast:
2917 case CK_BlockPointerToObjCPointerCast:
2918 case CK_AnyPointerToBlockPointerCast:
2922 Result result = asImpl().visit(e->
getSubExpr());
2923 return asImpl().emitBitCast(result, resultType);
2927 case CK_LValueToRValue:
2928 return asImpl().visitLValueToRValue(e->
getSubExpr());
2929 case CK_ARCConsumeObject:
2930 return asImpl().visitConsumeObject(e->
getSubExpr());
2931 case CK_ARCExtendBlockObject:
2932 return asImpl().visitExtendBlockObject(e->
getSubExpr());
2933 case CK_ARCReclaimReturnedObject:
2934 return asImpl().visitReclaimReturnedObject(e->
getSubExpr());
2938 return asImpl().visitExpr(e);
2942 template <
typename Impl,
typename Result>
2944 ARCExprEmitter<Impl,Result>::visitBinaryOperator(
const BinaryOperator *e) {
2949 return asImpl().visit(e->
getRHS());
2952 return asImpl().visitBinAssign(e);
2955 return asImpl().visitExpr(e);
2959 template <
typename Impl,
typename Result>
2960 Result ARCExprEmitter<Impl,Result>::visitBinAssign(
const BinaryOperator *e) {
2963 return asImpl().visitBinAssignUnsafeUnretained(e);
2966 return asImpl().visitBinAssignWeak(e);
2969 return asImpl().visitBinAssignAutoreleasing(e);
2972 return asImpl().visitBinAssignStrong(e);
2975 return asImpl().visitExpr(e);
2977 llvm_unreachable(
"bad ObjC ownership qualifier");
2982 template <
typename Impl,
typename Result>
2983 Result ARCExprEmitter<Impl,Result>::
2987 Result result = asImpl().visit(e->
getRHS());
2998 template <
typename Impl,
typename Result>
3000 ARCExprEmitter<Impl,Result>::visitBinAssignAutoreleasing(
const BinaryOperator *e) {
3001 return asImpl().visitExpr(e);
3004 template <
typename Impl,
typename Result>
3006 ARCExprEmitter<Impl,Result>::visitBinAssignWeak(
const BinaryOperator *e) {
3007 return asImpl().visitExpr(e);
3010 template <
typename Impl,
typename Result>
3012 ARCExprEmitter<Impl,Result>::visitBinAssignStrong(
const BinaryOperator *e) {
3013 return asImpl().visitExpr(e);
3017 template <
typename Impl,
typename Result>
3018 Result ARCExprEmitter<Impl,Result>::visit(
const Expr *e) {
3023 assert(!isa<ExprWithCleanups>(e));
3029 if (
const CastExpr *ce = dyn_cast<CastExpr>(e)) {
3030 return asImpl().visitCastExpr(ce);
3033 }
else if (
auto op = dyn_cast<BinaryOperator>(e)) {
3034 return asImpl().visitBinaryOperator(op);
3042 }
else if (isa<CallExpr>(e) ||
3043 (isa<ObjCMessageExpr>(e) &&
3044 !cast<ObjCMessageExpr>(e)->isDelegateInitCall())) {
3045 return asImpl().visitCall(e);
3048 }
else if (
const PseudoObjectExpr *pseudo = dyn_cast<PseudoObjectExpr>(e)) {
3049 return asImpl().visitPseudoObjectExpr(pseudo);
3052 return asImpl().visitExpr(e);
3058 struct ARCRetainExprEmitter :
3059 public ARCExprEmitter<ARCRetainExprEmitter, TryEmitResult> {
3064 return result.getPointer();
3070 result.setPointer(value);
3101 if (subresult.getInt()) {
3106 result = subresult.getPointer();
3140 return ARCRetainExprEmitter(CGF).visit(e);
3148 if (!result.getInt())
3167 if (!result.getInt())
3183 if (result.getInt())
3199 result = subresult.getPointer();
3200 doRetain = !subresult.getInt();
3227 struct ARCUnsafeUnretainedExprEmitter :
3228 public ARCExprEmitter<ARCUnsafeUnretainedExprEmitter, llvm::Value*> {
3230 ARCUnsafeUnretainedExprEmitter(
CodeGenFunction &CGF) : ARCExprEmitter(CGF) {}
3277 return ARCUnsafeUnretainedExprEmitter(CGF).visit(e);
3295 std::pair<LValue,llvm::Value*>
3311 return std::pair<LValue,llvm::Value*>(std::move(lvalue), value);
3314 std::pair<LValue,llvm::Value*>
3321 bool hasImmediateRetain = result.getInt();
3328 hasImmediateRetain =
true;
3334 if (hasImmediateRetain) {
3342 return std::pair<LValue,llvm::Value*>(lvalue, value);
3345 std::pair<LValue,llvm::Value*>
3352 return std::pair<LValue,llvm::Value*>(lvalue, value);
3374 for (
const auto *I : S.
body())
3385 llvm::FunctionType *extenderType
3388 = llvm::InlineAsm::get(extenderType,
3413 llvm::Constant *HelperFn =
nullptr;
3431 ArgTys.push_back(DestTy);
3432 ArgTys.push_back(SrcTy);
3437 FunctionTy,
nullptr,
SC_Static,
false,
false);
3442 args.push_back(&DstDecl);
3445 args.push_back(&SrcDecl);
3452 llvm::Function *Fn =
3454 "__assign_helper_atomic_property_",
3471 Expr *Args[2] = { &DST, &SRC };
3480 HelperFn = llvm::ConstantExpr::getBitCast(Fn,
VoidPtrTy);
3497 llvm::Constant *HelperFn =
nullptr;
3515 ArgTys.push_back(DestTy);
3516 ArgTys.push_back(SrcTy);
3521 FunctionTy,
nullptr,
SC_Static,
false,
false);
3526 args.push_back(&DstDecl);
3529 args.push_back(&SrcDecl);
3554 ConstructorArgs.push_back(&SRC);
3555 ConstructorArgs.append(std::next(CXXConstExpr->arg_begin()),
3556 CXXConstExpr->arg_end());
3560 CXXConstExpr->getConstructor(),
3561 CXXConstExpr->isElidable(),
3563 CXXConstExpr->hadMultipleCandidates(),
3564 CXXConstExpr->isListInitialization(),
3565 CXXConstExpr->isStdInitListInitialization(),
3566 CXXConstExpr->requiresZeroInitialization(),
3567 CXXConstExpr->getConstructionKind(),
3585 HelperFn = llvm::ConstantExpr::getBitCast(Fn,
VoidPtrTy);
3609 Ty, AutoreleaseSelector,
3617 assert(Args.size() == 3 &&
"Expected 3 argument here!");
3620 llvm::FunctionType *FTy =
3629 return Builder.CreateICmpNE(CallRes, llvm::Constant::getNullValue(
Int32Ty));
3632 void CodeGenModule::emitAtAvailableLinkGuard() {
3633 if (!IsOSVersionAtLeastFn)
3643 llvm::Metadata *Args[2] = {llvm::MDString::get(Context,
"-framework"),
3644 llvm::MDString::get(Context,
"CoreFoundation")};
3645 LinkerOptionsMetadata.push_back(llvm::MDNode::get(Context, Args));
3648 llvm::FunctionType *FTy =
3650 llvm::Constant *CFFunc =
3651 CreateRuntimeFunction(FTy,
"CFBundleGetVersionNumber");
3653 llvm::FunctionType *CheckFTy = llvm::FunctionType::get(
VoidTy, {},
false);
3654 llvm::Function *CFLinkCheckFunc = cast<llvm::Function>(CreateBuiltinFunction(
3655 CheckFTy,
"__clang_at_available_requires_core_foundation_framework"));
3656 CFLinkCheckFunc->setLinkage(llvm::GlobalValue::LinkOnceAnyLinkage);
3661 CGF.
Builder.CreateUnreachable();
3662 addCompilerUsedGlobal(CFLinkCheckFunc);
const CGFunctionInfo & arrangeBuiltinFunctionDeclaration(QualType resultType, const FunctionArgList &args)
A builtin function is a freestanding function using the default C conventions.
llvm::PointerType * Int8PtrPtrTy
const llvm::DataLayout & getDataLayout() const
static Optional< llvm::Value * > tryGenerateSpecializedMessageSend(CodeGenFunction &CGF, QualType ResultType, llvm::Value *Receiver, const CallArgList &Args, Selector Sel, const ObjCMethodDecl *method, bool isClassMessage)
The ObjC runtime may provide entrypoints that are likely to be faster than an ordinary message send o...
A call to an overloaded operator written using operator syntax.
The receiver is the instance of the superclass object.
ReturnValueSlot - Contains the address where the return value of a function can be stored...
const internal::VariadicAllOfMatcher< Type > type
Matches Types in the clang AST.
static bool UseOptimizedSetter(CodeGenModule &CGM)
SourceLocation getRBracLoc() const
Defines the clang::ASTContext interface.
static void setARCRuntimeFunctionLinkage(CodeGenModule &CGM, llvm::Constant *RTF)
bool isClassMethod() const
Represents a function declaration or definition.
llvm::Value * EmitARCStoreStrong(LValue lvalue, llvm::Value *value, bool resultIgnored)
Store into a strong object.
void EmitObjCRelease(llvm::Value *value, ARCPreciseLifetime_t precise)
Release the given object.
The receiver is an object instance.
llvm::Value * EmitARCReclaimReturnedObject(const Expr *e, bool allowUnsafeClaim)
Other implicit parameter.
static llvm::Value * emitARCRetainCallResult(CodeGenFunction &CGF, const Expr *e)
Given that the given expression is some sort of call (which does not return retained), emit a retain following it.
ObjCDictionaryElement getKeyValueElement(unsigned Index) const
Smart pointer class that efficiently represents Objective-C method names.
QualType getObjCIdType() const
Represents the Objective-CC id type.
llvm::Value * EmitARCRetainAutoreleaseScalarExpr(const Expr *expr)
static bool hasTrivialGetExpr(const ObjCPropertyImplDecl *propImpl)
Destroyer * getDestroyer(QualType::DestructionKind destructionKind)
A (possibly-)qualified type.
bool isBlockPointerType() const
static bool hasUnalignedAtomics(llvm::Triple::ArchType arch)
Determine whether the given architecture supports unaligned atomic accesses.
void EmitExtendGCLifetime(llvm::Value *object)
EmitExtendGCLifetime - Given a pointer to an Objective-C object, make sure it survives garbage collec...
CodeGenTypes & getTypes()
const CodeGenOptions & getCodeGenOpts() const
Selector getSelector() const
llvm::Value * EmitARCExtendBlockObject(const Expr *expr)
ObjCInterfaceDecl * getClassInterface()
virtual llvm::Function * GenerateMethod(const ObjCMethodDecl *OMD, const ObjCContainerDecl *CD)=0
Generate a function preamble for a method with the specified types.
Address CreateMemTemp(QualType T, const Twine &Name="tmp", Address *Alloca=nullptr)
CreateMemTemp - Create a temporary memory object of the given type, with appropriate alignmen and cas...
void enterFullExpression(const FullExpr *E)
ObjCIvarDecl * getPropertyIvarDecl() const
void EmitARCDestroyWeak(Address addr)
void @objc_destroyWeak(i8** addr) Essentially objc_storeWeak(addr, nil).
ObjCProtocolDecl * getProtocol() const
Stmt - This represents one statement.
virtual CodeGen::RValue GenerateMessageSend(CodeGen::CodeGenFunction &CGF, ReturnValueSlot ReturnSlot, QualType ResultType, Selector Sel, llvm::Value *Receiver, const CallArgList &CallArgs, const ObjCInterfaceDecl *Class=nullptr, const ObjCMethodDecl *Method=nullptr)=0
Generate an Objective-C message send operation.
void EmitLexicalBlockEnd(CGBuilderTy &Builder, SourceLocation Loc)
Emit metadata to indicate the end of a new lexical block and pop the current block.
QualType getPointeeType() const
If this is a pointer, ObjC object pointer, or block pointer, this returns the respective pointee...
const llvm::Triple & getTriple() const
Returns the target triple of the primary target.
bool requiresCleanups() const
Determine whether this scope requires any cleanups.
Implements runtime-specific code generation functions.
void addConst()
Add the const type qualifier to this QualType.
bool isRecordType() const
static RValue AdjustObjCObjectType(CodeGenFunction &CGF, QualType ET, RValue Result)
Adjust the type of an Objective-C object that doesn't match up due to type erasure at various points...
llvm::Constant * objc_autoreleaseReturnValue
id objc_autoreleaseReturnValue(id);
CharUnits getPointerSize() const
const Decl * CurCodeDecl
CurCodeDecl - This is the inner-most code context, which includes blocks.
llvm::Constant * objc_autoreleasePoolPopInvoke
void objc_autoreleasePoolPop(void*); Note this method is used when we are using exception handling ...
QualType getNonReferenceType() const
If Type is a reference type (e.g., const int&), returns the type that the reference refers to ("const...
Expr * getSetterCXXAssignment() const
static Destroyer destroyARCStrongPrecise
Represents Objective-C's @throw statement.
void EmitStoreThroughLValue(RValue Src, LValue Dst, bool isInit=false)
EmitStoreThroughLValue - Store the specified rvalue into the specified lvalue, where both are guarant...
void GenerateObjCSetter(ObjCImplementationDecl *IMP, const ObjCPropertyImplDecl *PID)
GenerateObjCSetter - Synthesize an Objective-C property setter function for the given property...
Represents a call to a C++ constructor.
const ObjCObjectPointerType * getAsObjCInterfacePointerType() const
bool isZero() const
isZero - Test whether the quantity equals zero.
QualType withConst() const
llvm::Constant * objc_loadWeakRetained
id objc_loadWeakRetained(id*);
The l-value was an access to a declared entity or something equivalently strong, like the address of ...
void EmitARCCopyWeak(Address dst, Address src)
void @objc_copyWeak(i8** dest, i8** src) Disregards the current value in dest.
llvm::Value * EmitObjCMRRAutoreleasePoolPush()
Produce the code to do an MRR version objc_autoreleasepool_push.
Floating point control options.
llvm::Constant * GenerateObjCAtomicSetterCopyHelperFunction(const ObjCPropertyImplDecl *PID)
GenerateObjCAtomicSetterCopyHelperFunction - Given a c++ object type with non-trivial copy assignment...
llvm::Value * EmitARCRetainNonBlock(llvm::Value *value)
Retain the given object, with normal retain semantics.
static llvm::Value * emitARCRetainLoadOfScalar(CodeGenFunction &CGF, LValue lvalue, QualType type)
param_const_iterator param_end() const
void createImplicitParams(ASTContext &Context, const ObjCInterfaceDecl *ID)
createImplicitParams - Used to lazily create the self and cmd implict parameters. ...
llvm::function_ref< llvm::Value *(CodeGenFunction &CGF, llvm::Value *value)> ValueTransform
static CXXOperatorCallExpr * Create(const ASTContext &Ctx, OverloadedOperatorKind OpKind, Expr *Fn, ArrayRef< Expr *> Args, QualType Ty, ExprValueKind VK, SourceLocation OperatorLoc, FPOptions FPFeatures, ADLCallKind UsesADL=NotADL)
static Destroyer destroyARCWeak
Address GetAddrOfLocalVar(const VarDecl *VD)
GetAddrOfLocalVar - Return the address of a local variable.
RValue EmitCall(const CGFunctionInfo &CallInfo, const CGCallee &Callee, ReturnValueSlot ReturnValue, const CallArgList &Args, llvm::Instruction **callOrInvoke, SourceLocation Loc)
EmitCall - Generate a call of the given function, expecting the given result type, and using the given argument list which specifies both the LLVM arguments and the types they were derived from.
llvm::Constant * objc_allocWithZone
void objc_allocWithZone(id);
static CXXConstructExpr * Create(const ASTContext &Ctx, QualType Ty, SourceLocation Loc, CXXConstructorDecl *Ctor, bool Elidable, ArrayRef< Expr *> Args, bool HadMultipleCandidates, bool ListInitialization, bool StdInitListInitialization, bool ZeroInitialization, ConstructionKind ConstructKind, SourceRange ParenOrBraceRange)
Create a C++ construction expression.
Represents a variable declaration or definition.
Objects with "hidden" visibility are not seen by the dynamic linker.
const internal::VariadicDynCastAllOfMatcher< Stmt, Expr > expr
Matches expressions.
const T * getAs() const
Member-template getAs<specific type>'.
bool hasPointerRepresentation() const
Whether this type is represented natively as a pointer.
virtual StringRef getARCRetainAutoreleasedReturnValueMarker() const
Retrieve the address of a function to call immediately before calling objc_retainAutoreleasedReturnVa...
uint64_t getProfileCount(const Stmt *S)
Get the profiler's count for the given statement.
llvm::Value * EmitObjCAutoreleasePoolPush()
Produce the code to do a objc_autoreleasepool_push.
This class gathers all debug information during compilation and is responsible for emitting to llvm g...
ObjCMethodDecl - Represents an instance or class method declaration.
llvm::Value * EmitBlockCopyAndAutorelease(llvm::Value *Block, QualType Ty)
llvm::Value * getPointer() const
bool shouldUseFusedARCCalls()
llvm::Constant * getAtomicSetterHelperFnMap(QualType Ty)
Defines the Objective-C statement AST node classes.
static bool shouldRetainObjCLifetime(Qualifiers::ObjCLifetime lifetime)
Represents an expression – generally a full-expression – that introduces cleanups to be run at the ...
Represents a parameter to a function.
llvm::Value * EmitObjCDictionaryLiteral(const ObjCDictionaryLiteral *E)
The collection of all-type qualifiers we support.
virtual llvm::Constant * GetOptimizedPropertySetFunction(bool atomic, bool copy)=0
Return the runtime function for optimized setting properties.
void add(RValue rvalue, QualType type)
A jump destination is an abstract label, branching to which may require a jump out through normal cle...
bool isARCPseudoStrong() const
Determine whether this variable is an ARC pseudo-__strong variable.
llvm::Value * EmitObjCThrowOperand(const Expr *expr)
const Stmt * getSubStmt() const
static llvm::Value * emitARCValueOperation(CodeGenFunction &CGF, llvm::Value *value, llvm::Type *returnType, llvm::Constant *&fn, llvm::Intrinsic::ID IntID, bool isTailCall=false)
Perform an operation having the signature i8* (i8*) where a null input causes a no-op and returns nul...
const AstTypeMatcher< RecordType > recordType
Matches record types (e.g.
llvm::Constant * objc_autorelease
id objc_autorelease(id);
llvm::Constant * objc_copyWeak
void objc_copyWeak(id *dest, id *src);
llvm::Constant * getAtomicGetterHelperFnMap(QualType Ty)
One of these records is kept for each identifier that is lexed.
void emitDestroy(Address addr, QualType type, Destroyer *destroyer, bool useEHCleanupForArray)
emitDestroy - Immediately perform the destruction of the given object.
Address getAddress() const
bool isStr(const char(&Str)[StrLen]) const
Return true if this is the identifier for the specified string.
Expr * getGetterCXXConstructor() const
static void emitStructGetterCall(CodeGenFunction &CGF, ObjCIvarDecl *ivar, bool isAtomic, bool hasStrong)
emitStructGetterCall - Call the runtime function to load a property into the return value slot...
Represents a class type in Objective C.
CGDebugInfo * getDebugInfo()
llvm::Constant * objc_loadWeak
id objc_loadWeak(id*);
CodeGenFunction - This class organizes the per-function state that is used while generating LLVM code...
llvm::Type * ConvertType(QualType T)
ConvertType - Convert type T into a llvm::Type.
Holds long-lived AST nodes (such as types and decls) that can be referred to throughout the semantic ...
const ParmVarDecl *const * param_const_iterator
std::pair< LValue, llvm::Value * > EmitARCStoreAutoreleasing(const BinaryOperator *e)
llvm::Constant * objc_retainAutoreleasedReturnValue
id objc_retainAutoreleasedReturnValue(id);
llvm::Value * EmitObjCExtendObjectLifetime(QualType T, llvm::Value *Ptr)
bool hasOptimizedSetter() const
Does this runtime supports optimized setter entrypoints?
SourceLocation getBeginLoc() const LLVM_READONLY
SetterKind getSetterKind() const
getSetterKind - Return the method used for doing assignment in the property setter.
llvm::Value * EmitARCRetainAutoreleaseReturnValue(llvm::Value *value)
Do a fused retain/autorelease of the given object.
Represents a member of a struct/union/class.
CharUnits getAlignment() const
StringLiteral * getString()
llvm::CallInst * EmitRuntimeCall(llvm::Value *callee, const Twine &name="")
bool isReferenceType() const
ObjCMethodDecl * getSetterMethodDecl() const
Denotes a cleanup that should run when a scope is exited using exceptional control flow (a throw stat...
Token - This structure provides full information about a lexed token.
llvm::Value * EmitARCAutoreleaseReturnValue(llvm::Value *value)
Autorelease the given object.
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.
void GenerateObjCCtorDtorMethod(ObjCImplementationDecl *IMP, ObjCMethodDecl *MD, bool ctor)
virtual llvm::Constant * GetPropertySetFunction()=0
Return the runtime function for setting properties.
CleanupKind getCleanupKind(QualType::DestructionKind kind)
ObjCArrayLiteral - used for objective-c array containers; as in: @["Hello", NSApp, [NSNumber numberWithInt:42]];.
llvm::Value * EmitObjCBoxedExpr(const ObjCBoxedExpr *E)
EmitObjCBoxedExpr - This routine generates code to call the appropriate expression boxing method...
An r-value expression (a pr-value in the C++11 taxonomy) produces a temporary value.
Selector getSelector() const
void EmitStoreOfScalar(llvm::Value *Value, Address Addr, bool Volatile, QualType Ty, AlignmentSource Source=AlignmentSource::Type, bool isInit=false, bool isNontemporal=false)
EmitStoreOfScalar - Store a scalar value to an address, taking care to appropriately convert from the...
ComplexPairTy EmitLoadOfComplex(LValue src, SourceLocation loc)
EmitLoadOfComplex - Load a complex number from the specified l-value.
const Expr *const * const_semantics_iterator
bool isUnarySelector() const
virtual CodeGen::RValue GenerateMessageSendSuper(CodeGen::CodeGenFunction &CGF, ReturnValueSlot ReturnSlot, QualType ResultType, Selector Sel, const ObjCInterfaceDecl *Class, bool isCategoryImpl, llvm::Value *Self, bool IsClassMessage, const CallArgList &CallArgs, const ObjCMethodDecl *Method=nullptr)=0
Generate an Objective-C message send operation to the super class initiated in a method for Class and...
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.
ObjCMethodFamily getMethodFamily() const
Determines the family of this method.
llvm::Value * EmitARCStoreStrongCall(Address addr, llvm::Value *value, bool resultIgnored)
Store into a strong object.
ARCPreciseLifetime_t isARCPreciseLifetime() const
llvm::Value * EmitObjCAutorelease(llvm::Value *value, llvm::Type *returnType)
Autorelease the given object.
llvm::Constant * objc_initWeak
id objc_initWeak(id*, id);
llvm::Value * EmitObjCStringLiteral(const ObjCStringLiteral *E)
Emits an instance of NSConstantString representing the object.
bool isBitField() const
Determines whether this field is a bitfield.
Selector getNullarySelector(IdentifierInfo *ID)
ObjCContainerDecl - Represents a container for method declarations.
Address CreateElementBitCast(Address Addr, llvm::Type *Ty, const llvm::Twine &Name="")
Cast the element type of the given address to a different type, preserving information like the align...
CharUnits - This is an opaque type for sizes expressed in character units.
void EmitARCDestroyStrong(Address addr, ARCPreciseLifetime_t precise)
Destroy a __strong variable.
static llvm::Value * emitARCUnsafeClaimCallResult(CodeGenFunction &CGF, const Expr *e)
Given that the given expression is some sort of call (which does not return retained), perform an unsafeClaim following it.
Qualifiers::GC getObjCGCAttrKind(QualType Ty) const
Return one of the GCNone, Weak or Strong Objective-C garbage collection attributes.
SourceLocation getLBracLoc() const
PropertyAttributeKind getPropertyAttributes() const
llvm::PointerType * VoidPtrTy
semantics_iterator semantics_end()
llvm::Constant * objc_release
void objc_release(id);
A builtin binary operation expression such as "x + y" or "x <= y".
bool isVolatileQualified() const
Determine whether this type is volatile-qualified.
llvm::Value * EmitARCUnsafeUnretainedScalarExpr(const Expr *expr)
EmitARCUnsafeUnretainedScalarExpr - Semantically equivalent to immediately releasing the resut of Emi...
void setAtomicGetterHelperFnMap(QualType Ty, llvm::Constant *Fn)
Defines the Diagnostic-related interfaces.
llvm::Value * EmitARCLoadWeak(Address addr)
i8* @objc_loadWeak(i8** addr) Essentially objc_autorelease(objc_loadWeakRetained(addr)).
ObjCStringLiteral, used for Objective-C string literals i.e.
Scope - A scope is a transient data structure that is used while parsing the program.
llvm::BasicBlock * createBasicBlock(const Twine &name="", llvm::Function *parent=nullptr, llvm::BasicBlock *before=nullptr)
createBasicBlock - Create an LLVM basic block.
llvm::Value * EmitARCRetainScalarExpr(const Expr *expr)
EmitARCRetainScalarExpr - Semantically equivalent to EmitARCRetainObject(e->getType(), EmitScalarExpr(e)), but making a best-effort attempt to peephole expressions that naturally produce retained objects.
void EmitIgnoredExpr(const Expr *E)
EmitIgnoredExpr - Emit an expression in a context which ignores the result.
static bool shouldEmitSeparateBlockRetain(const Expr *e)
Determine whether it might be important to emit a separate objc_retain_block on the result of the giv...
Denotes a cleanup that should run when a scope is exited using normal control flow (falling off the e...
CastExpr - Base class for type casts, including both implicit casts (ImplicitCastExpr) and explicit c...
void ForceCleanup(std::initializer_list< llvm::Value **> ValuesToReload={})
Force the emission of cleanups now, instead of waiting until this object is destroyed.
llvm::Constant * CreateRuntimeVariable(llvm::Type *Ty, StringRef Name)
Create a new runtime global variable with the specified type and name.
Expr * Key
The key for the dictionary element.
ObjCMethodDecl * getArrayWithObjectsMethod() const
virtual llvm::Constant * GetGetStructFunction()=0
GlobalDecl CurGD
CurGD - The GlobalDecl for the current function being compiled.
CharUnits getPointerAlign() const
An ordinary object is located at an address in memory.
void incrementProfileCounter(const Stmt *S, llvm::Value *StepV=nullptr)
Increment the profiler's counter for the given statement by StepV.
uint64_t getCurrentProfileCount()
Get the profiler's current count.
llvm::Value * EmitObjCRetainNonBlock(llvm::Value *value, llvm::Type *returnType)
Retain the given object, with normal retain semantics.
Represents an ObjC class declaration.
QualType getReturnType() const
ObjCInterfaceDecl * getInterface() const
Gets the interface declaration for this object type, if the base type really is an interface...
static TryEmitResult tryEmitARCRetainScalarExpr(CodeGenFunction &CGF, const Expr *e)
bool isAtomic() const
isAtomic - Return true if the property is atomic.
llvm::Value * EmitARCRetainAutoreleasedReturnValue(llvm::Value *value)
Retain the given object which is the result of a function call.
static FunctionDecl * Create(ASTContext &C, DeclContext *DC, SourceLocation StartLoc, SourceLocation NLoc, DeclarationName N, QualType T, TypeSourceInfo *TInfo, StorageClass SC, bool isInlineSpecified=false, bool hasWrittenPrototype=true, bool isConstexprSpecified=false)
llvm::Value * EmitARCRetainAutoreleaseNonBlock(llvm::Value *value)
Do a fused retain/autorelease of the given object.
This object can be modified without requiring retains or releases.
ObjCMethodDecl * getDictWithObjectsMethod() const
llvm::Constant * CreateRuntimeFunction(llvm::FunctionType *Ty, StringRef Name, llvm::AttributeList ExtraAttrs=llvm::AttributeList(), bool Local=false)
Create a new runtime function with the specified type and name.
llvm::Value * EmitLoadOfScalar(Address Addr, bool Volatile, QualType Ty, SourceLocation Loc, AlignmentSource Source=AlignmentSource::Type, bool isNontemporal=false)
EmitLoadOfScalar - Load a scalar value from an address, taking care to appropriately convert from the...
ObjCPropertyImplDecl - Represents implementation declaration of a property in a class or category imp...
RValue EmitObjCMessageExpr(const ObjCMessageExpr *E, ReturnValueSlot Return=ReturnValueSlot())
CompoundStmt - This represents a group of statements like { stmt stmt }.
AutoVarEmission EmitAutoVarAlloca(const VarDecl &var)
EmitAutoVarAlloca - Emit the alloca and debug information for a local variable.
std::pair< llvm::Value *, llvm::Value * > ComplexPairTy
ASTContext & getContext() const
llvm::CallInst * EmitNounwindRuntimeCall(llvm::Value *callee, const Twine &name="")
const TargetCodeGenInfo & getTargetCodeGenInfo()
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...
llvm::Constant * objc_storeStrong
void objc_storeStrong(id*, id);
static void emitARCCopyOperation(CodeGenFunction &CGF, Address dst, Address src, llvm::Constant *&fn, llvm::Intrinsic::ID IntID)
Perform an operation having the following signature: void (i8**, i8**)
CastKind
CastKind - The kind of operation required for a conversion.
RValue - This trivial value class is used to represent the result of an expression that is evaluated...
CleanupKind getARCCleanupKind()
Retrieves the default cleanup kind for an ARC cleanup.
static AutoVarEmission invalid()
SourceLocation getEndLoc() const LLVM_READONLY
llvm::Value * emitScalarConstant(const ConstantEmission &Constant, Expr *E)
llvm::Value * EmitARCStoreWeak(Address addr, llvm::Value *value, bool ignored)
i8* @objc_storeWeak(i8** addr, i8* value) Returns value.
static TypeEvaluationKind getEvaluationKind(QualType T)
getEvaluationKind - Return the TypeEvaluationKind of QualType T.
CGObjCRuntime & getObjCRuntime()
Return a reference to the configured Objective-C runtime.
ObjCMethodDecl * getBoxingMethod() const
static bool shouldExtendReceiverForInnerPointerMessage(const ObjCMessageExpr *message)
Decide whether to extend the lifetime of the receiver of a returns-inner-pointer message.
Represent the declaration of a variable (in which case it is an lvalue) a function (in which case it ...
This represents one expression.
bool hasAtomicCopyHelper() const
llvm::Constant * objc_autoreleasePoolPop
void objc_autoreleasePoolPop(void*);
void EmitARCMoveWeak(Address dst, Address src)
void @objc_moveWeak(i8** dest, i8** src) Disregards the current value in dest.
virtual llvm::Constant * GetSetStructFunction()=0
void EmitAutoVarInit(const AutoVarEmission &emission)
bool hasLocalStorage() const
Returns true if a variable with function scope is a non-static local variable.
Enters a new scope for capturing cleanups, all of which will be executed once the scope is exited...
void GenerateObjCMethod(const ObjCMethodDecl *OMD)
Generate an Objective-C method.
void EmitCallArgs(CallArgList &Args, const T *CallArgTypeInfo, llvm::iterator_range< CallExpr::const_arg_iterator > ArgRange, AbstractCallee AC=AbstractCallee(), unsigned ParamsToSkip=0, EvaluationOrder Order=EvaluationOrder::Default)
EmitCallArgs - Emit call arguments for a function.
static void emitStructSetterCall(CodeGenFunction &CGF, ObjCMethodDecl *OMD, ObjCIvarDecl *ivar)
emitStructSetterCall - Call the runtime function to store the value from the first formal parameter i...
llvm::BasicBlock * getBlock() const
static CGCallee forDirect(llvm::Constant *functionPtr, const CGCalleeInfo &abstractInfo=CGCalleeInfo())
bool isObjCRetainableType() const
virtual void EmitThrowStmt(CodeGen::CodeGenFunction &CGF, const ObjCAtThrowStmt &S, bool ClearInsertionPoint=true)=0
llvm::Constant * objc_retain
id objc_retain(id);
llvm::PointerType * getType() const
Return the type of the pointer value.
ObjCLifetime getObjCLifetime() const
CharUnits getTypeAlignInChars(QualType T) const
Return the ABI-specified alignment of a (complete) type T, in characters.
StringRef getNameForSlot(unsigned argIndex) const
Retrieve the name at a given position in the selector.
ObjCDictionaryLiteral - AST node to represent objective-c dictionary literals; as in:"name" : NSUserN...
DeclContext * getDeclContext()
Represents Objective-C's @synchronized statement.
ObjCSelectorExpr used for @selector in Objective-C.
static CharUnits fromQuantity(QuantityType Quantity)
fromQuantity - Construct a CharUnits quantity from a raw integer type.
void generateObjCSetterBody(const ObjCImplementationDecl *classImpl, const ObjCPropertyImplDecl *propImpl, llvm::Constant *AtomicHelperFn)
virtual void EmitTryStmt(CodeGen::CodeGenFunction &CGF, const ObjCAtTryStmt &S)=0
llvm::Value * EmitARCAutorelease(llvm::Value *value)
Autorelease the given object.
llvm::LLVMContext & getLLVMContext()
SmallVector< llvm::OperandBundleDef, 1 > getBundlesForFunclet(llvm::Value *Callee)
const CGFunctionInfo & arrangeBuiltinFunctionCall(QualType resultType, const CallArgList &args)
llvm::IntegerType * Int32Ty
virtual llvm::Value * GetSelector(CodeGenFunction &CGF, Selector Sel)=0
Get a selector for the specified name and type values.
Expr * getElement(unsigned Index)
getElement - Return the Element at the specified index.
clang::ObjCRuntime ObjCRuntime
QualType getConstantArrayType(QualType EltTy, const llvm::APInt &ArySize, ArrayType::ArraySizeModifier ASM, unsigned IndexTypeQuals) const
Return the unique reference to the type for a constant array of the specified element type...
virtual llvm::Constant * GetPropertyGetFunction()=0
Return the runtime function for getting properties.
LValue MakeNaturalAlignAddrLValue(llvm::Value *V, QualType T)
An expression that sends a message to the given Objective-C object or class.
SourceLocation getEnd() const
UnaryOperator - This represents the unary-expression's (except sizeof and alignof), the postinc/postdec operators from postfix-expression, and various extensions.
bool isInstanceMethod() const
QualType getFunctionType(QualType ResultTy, ArrayRef< QualType > Args, const FunctionProtoType::ExtProtoInfo &EPI) const
Return a normal function type with a typed argument list.
ReceiverKind getReceiverKind() const
Determine the kind of receiver that this message is being sent to.
ConstantEmission tryEmitAsConstant(DeclRefExpr *refExpr)
Try to emit a reference to the given value without producing it as an l-value.
unsigned getNumArgs() const
const TargetInfo & getTarget() const
const Qualifiers & getQuals() const
Selector getSelector() const
const LangOptions & getLangOpts() const
ASTContext & getContext() const
ImplicitParamDecl * getSelfDecl() const
bool hasEmptyCollections() const
Are the empty collection symbols available?
GlobalDecl - represents a global declaration.
bool isConstQualified() const
Determine whether this type is const-qualified.
virtual void EmitSynchronizedStmt(CodeGen::CodeGenFunction &CGF, const ObjCAtSynchronizedStmt &S)=0
The l-value was considered opaque, so the alignment was determined from a type.
llvm::Constant * objc_retainBlock
id objc_retainBlock(id);
There is no lifetime qualification on this type.
OpaqueValueExpr - An expression referring to an opaque object of a fixed type and value class...
Address CreateBitCast(Address Addr, llvm::Type *Ty, const llvm::Twine &Name="")
SelectorTable & Selectors
Assigning into this object requires the old value to be released and the new value to be retained...
QualType getCanonicalType() const
llvm::Constant * objc_storeWeak
id objc_storeWeak(id*, id);
PseudoObjectExpr - An expression which accesses a pseudo-object l-value.
IdentifierInfo * getIdentifierInfoForSlot(unsigned argIndex) const
Retrieve the identifier at a given position in the selector.
ObjCMethodFamily getMethodFamily() const
Derive the conventional family of this method.
static llvm::Value * emitARCUnsafeUnretainedScalarExpr(CodeGenFunction &CGF, const Expr *e)
Encodes a location in the source.
void EnsureInsertPoint()
EnsureInsertPoint - Ensure that an insertion point is defined so that emitted IR has a place to go...
llvm::Value * EmitObjCArrayLiteral(const ObjCArrayLiteral *E)
IdentifierInfo & get(StringRef Name)
Return the identifier token info for the specified named identifier.
static void emitCPPObjectAtomicGetterCall(CodeGenFunction &CGF, llvm::Value *returnAddr, ObjCIvarDecl *ivar, llvm::Constant *AtomicHelperFn)
emitCPPObjectAtomicGetterCall - Call the runtime function to copy the ivar into the resturn slot...
void EmitARCRelease(llvm::Value *value, ARCPreciseLifetime_t precise)
Release the given object.
LValue EmitDeclRefLValue(const DeclRefExpr *E)
std::pair< LValue, llvm::Value * > EmitARCStoreUnsafeUnretained(const BinaryOperator *e, bool ignored)
virtual ConstantAddress GenerateConstantString(const StringLiteral *)=0
Generate a constant string object.
LValue EmitCheckedLValue(const Expr *E, TypeCheckKind TCK)
Same as EmitLValue but additionally we generate checking code to guard against undefined behavior...
AggValueSlot::Overlap_t overlapForReturnValue()
Determine whether a return value slot may overlap some other object.
static llvm::Value * emitARCLoadOperation(CodeGenFunction &CGF, Address addr, llvm::Constant *&fn, llvm::Intrinsic::ID IntID)
Perform an operation having the following signature: i8* (i8**)
CastKind getCastKind() const
llvm::CallSite EmitRuntimeCallOrInvoke(llvm::Value *callee, ArrayRef< llvm::Value *> args, const Twine &name="")
Emits a call or invoke instruction to the given runtime function.
unsigned getNumElements() const
getNumElements - Return number of elements of objective-c dictionary literal.
void EmitObjCForCollectionStmt(const ObjCForCollectionStmt &S)
llvm::Value * EmitARCUnsafeClaimAutoreleasedReturnValue(llvm::Value *value)
Claim a possibly-autoreleased return value at +0.
DeclStmt - Adaptor class for mixing declarations with statements and expressions. ...
Stmt * getBody() const override
Retrieve the body of this method, if it has one.
llvm::Constant * objc_autoreleasePoolPush
void *objc_autoreleasePoolPush(void);
static TryEmitResult tryEmitARCRetainLoadOfScalar(CodeGenFunction &CGF, LValue lvalue, QualType type)
const CGFunctionInfo & arrangeObjCMethodDeclaration(const ObjCMethodDecl *MD)
Objective-C methods are C functions with some implicit parameters.
void EmitStmt(const Stmt *S, ArrayRef< const Attr *> Attrs=None)
EmitStmt - Emit the code for the statement.
virtual llvm::Value * EmitNSAutoreleasePoolClassRef(CodeGenFunction &CGF)
ObjCEntrypoints & getObjCEntrypoints() const
ObjCProtocolExpr used for protocol expression in Objective-C.
virtual llvm::Value * GenerateProtocolRef(CodeGenFunction &CGF, const ObjCProtocolDecl *OPD)=0
Emit the code to return the named protocol as an object, as in a @protocol expression.
llvm::InlineAsm * retainAutoreleasedReturnValueMarker
A void(void) inline asm to use to mark that the return value of a call will be immediately retain...
bool isObjCObjectPointerType() const
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.
Represents one property declaration in an Objective-C interface.
ImplicitCastExpr - Allows us to explicitly represent implicit type conversions, which have no direct ...
DestructionKind isDestructedType() const
Returns a nonzero value if objects of this type require non-trivial work to clean up after...
static Destroyer emitARCIntrinsicUse
All available information about a concrete callee.
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...
llvm::Value * EmitObjCAlloc(llvm::Value *value, llvm::Type *returnType)
Allocate the given objc object.
const ObjCMethodDecl * getMethodDecl() const
llvm::Constant * objc_alloc
void objc_alloc(id);
static void destroyARCStrongWithStore(CodeGenFunction &CGF, Address addr, QualType type)
Like CodeGenFunction::destroyARCStrong, but do it with a call.
Assigning into this object requires a lifetime extension.
ObjCBoxedExpr - used for generalized expression boxing.
virtual llvm::Constant * GetCppAtomicObjectGetFunction()=0
API for atomic copying of qualified aggregates with non-trivial copy assignment (c++) in getter...
llvm::Value * EmitARCRetain(QualType type, llvm::Value *value)
Produce the code to do a retain.
void emitARCMoveAssignWeak(QualType Ty, Address DstAddr, Address SrcAddr)
bool hasSameUnqualifiedType(QualType T1, QualType T2) const
Determine whether the given types are equivalent after cvr-qualifiers have been removed.
static Destroyer destroyARCStrongImprecise
void FinishFunction(SourceLocation EndLoc=SourceLocation())
FinishFunction - Complete IR generation of the current function.
Expr * Value
The value of the dictionary element.
std::pair< CharUnits, CharUnits > getTypeInfoInChars(const Type *T) const
ConstantAddress GetAddrOfConstantCString(const std::string &Str, const char *GlobalName=nullptr)
Returns a pointer to a character array containing the literal and a terminating '\0' character...
void EmitObjCMRRAutoreleasePoolPop(llvm::Value *Ptr)
Produce the code to do a primitive release.
llvm::Value * EmitScalarExpr(const Expr *E, bool IgnoreResultAssign=false)
EmitScalarExpr - Emit the computation of the specified expression of LLVM scalar type, returning the result.
Expr * getInstanceReceiver()
Returns the object expression (receiver) for an instance message, or null for a message that is not a...
FunctionArgList - Type for representing both the decl and type of parameters to a function...
ObjCIvarDecl * getNextIvar()
llvm::Value * getScalarVal() const
getScalarVal() - Return the Value* of this scalar value.
Expr * getResultExpr()
Return the result-bearing expression, or null if there is none.
void EmitObjCAtSynchronizedStmt(const ObjCAtSynchronizedStmt &S)
void ErrorUnsupported(const Stmt *S, const char *Type)
Print out an error that codegen doesn't support the specified stmt yet.
CGFunctionInfo - Class to encapsulate the information about a function definition.
This class organizes the cross-function state that is used while generating LLVM code.
llvm::Constant * objc_unsafeClaimAutoreleasedReturnValue
id objc_unsafeClaimAutoreleasedReturnValue(id);
const ObjCInterfaceDecl * getClassInterface() const
Dataflow Directional Tag Classes.
llvm::Value * EmitObjCAllocWithZone(llvm::Value *value, llvm::Type *returnType)
Allocate the given objc object.
void GenerateObjCGetter(ObjCImplementationDecl *IMP, const ObjCPropertyImplDecl *PID)
GenerateObjCGetter - Synthesize an Objective-C property getter function.
unsigned char PointerAlignInBytes
void EmitObjCAutoreleasePoolPop(llvm::Value *Ptr)
Produce the code to do a primitive release.
The basic abstraction for the target Objective-C runtime.
llvm::Value * EmitARCLoadWeakRetained(Address addr)
i8* @objc_loadWeakRetained(i8** addr)
Address CreateStructGEP(Address Addr, unsigned Index, CharUnits Offset, const llvm::Twine &Name="")
static ReturnStmt * Create(const ASTContext &Ctx, SourceLocation RL, Expr *E, const VarDecl *NRVOCandidate)
Create a return statement.
QualType getSuperType() const
Retrieve the type referred to by 'super'.
llvm::LoadInst * CreateAlignedLoad(llvm::Value *Addr, CharUnits Align, const llvm::Twine &Name="")
void EmitARCIntrinsicUse(ArrayRef< llvm::Value *> values)
Given a number of pointers, inform the optimizer that they're being intrinsically used up until this ...
llvm::Constant * getPointer() const
llvm::LoadInst * CreateLoad(Address Addr, const llvm::Twine &Name="")
llvm::Constant * objc_destroyWeak
void objc_destroyWeak(id*);
bool isKeywordSelector() const
U cast(CodeGen::Address addr)
static llvm::Value * emitARCStoreOperation(CodeGenFunction &CGF, Address addr, llvm::Value *value, llvm::Constant *&fn, llvm::Intrinsic::ID IntID, bool ignored)
Perform an operation having the following signature: i8* (i8**, i8*)
llvm::Constant * clang_arc_use
void clang.arc.use(...);
const ObjCObjectType * getObjectType() const
Gets the type pointed to by this ObjC pointer.
QualType TypeOfSelfObject()
TypeOfSelfObject - Return type of object that this self represents.
Checking the destination of a store. Must be suitably sized and aligned.
llvm::Function * getIntrinsic(unsigned IID, ArrayRef< llvm::Type *> Tys=None)
llvm::StoreInst * CreateStore(llvm::Value *Val, Address Addr, bool IsVolatile=false)
semantics_iterator semantics_begin()
static AggValueSlot forLValue(const LValue &LV, IsDestructed_t isDestructed, NeedsGCBarriers_t needsGC, IsAliased_t isAliased, Overlap_t mayOverlap, IsZeroed_t isZeroed=IsNotZeroed, IsSanitizerChecked_t isChecked=IsNotSanitizerChecked)
llvm::Constant * GenerateObjCAtomicGetterCopyHelperFunction(const ObjCPropertyImplDecl *PID)
llvm::Module & getModule() const
static bool hasTrivialSetExpr(const ObjCPropertyImplDecl *PID)
void EmitObjCAtThrowStmt(const ObjCAtThrowStmt &S)
LValue MakeAddrLValue(Address Addr, QualType T, AlignmentSource Source=AlignmentSource::Type)
static CharUnits getMaxAtomicAccessSize(CodeGenModule &CGM, llvm::Triple::ArchType arch)
Return the maximum size that permits atomic accesses for the given architecture.
void EmitAggExpr(const Expr *E, AggValueSlot AS)
EmitAggExpr - Emit the computation of the specified expression of aggregate type. ...
QualType getClassReceiver() const
Returns the type of a class message send, or NULL if the message is not a class message.
Represents a pointer to an Objective C object.
void EmitAutoVarCleanups(const AutoVarEmission &emission)
ObjCImplementationDecl - Represents a class definition - this is where method definitions are specifi...
A helper class that allows the use of isa/cast/dyncast to detect TagType objects of structs/unions/cl...
static llvm::Value * emitARCOperationAfterCall(CodeGenFunction &CGF, llvm::Value *value, ValueTransform doAfterCall, ValueTransform doFallback)
Insert code immediately after a call.
virtual llvm::Constant * EnumerationMutationFunction()=0
EnumerationMutationFunction - Return the function that's called by the compiler when a mutation is de...
unsigned getNumElements() const
getNumElements - Return number of elements of objective-c array literal.
Represents Objective-C's collection statement.
CodeGenTypes & getTypes() const
Address CreateConstArrayGEP(Address Addr, uint64_t Index, CharUnits EltSize, const llvm::Twine &Name="")
Given addr = [n x T]* ...
void EmitStoreOfComplex(ComplexPairTy V, LValue dest, bool isInit)
EmitStoreOfComplex - Store a complex number into the specified l-value.
bool hasNonTrivialObjCLifetime() const
Selector getSelector(unsigned NumArgs, IdentifierInfo **IIV)
Can create any sort of selector.
llvm::Type * getElementType() const
Return the type of the values stored in this address.
This class organizes the cross-module state that is used while lowering AST types to LLVM types...
void getObjCEncodingForType(QualType T, std::string &S, const FieldDecl *Field=nullptr, QualType *NotEncodedT=nullptr) const
Emit the Objective-CC type encoding for the given type T into S.
llvm::PointerType * Int8PtrTy
const TargetInfo & Target
bool isDelegateInitCall() const
isDelegateInitCall - Answers whether this message send has been tagged as a "delegate init call"...
LValue EmitLValueForIvar(QualType ObjectTy, llvm::Value *Base, const ObjCIvarDecl *Ivar, unsigned CVRQualifiers)
llvm::Constant * objc_retainAutorelease
id objc_retainAutorelease(id);
param_const_iterator param_begin() const
llvm::Value * EmitIvarOffset(const ObjCInterfaceDecl *Interface, const ObjCIvarDecl *Ivar)
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::Value * EmitARCRetainAutorelease(QualType type, llvm::Value *value)
Do a fused retain/autorelease of the given object.
Internal linkage, which indicates that the entity can be referred to from within the translation unit...
void EmitBlock(llvm::BasicBlock *BB, bool IsFinished=false)
EmitBlock - Emit the given block.
void setAtomicSetterHelperFnMap(QualType Ty, llvm::Constant *Fn)
static llvm::Value * emitObjCValueOperation(CodeGenFunction &CGF, llvm::Value *value, llvm::Type *returnType, llvm::Constant *&fn, StringRef fnName)
Perform an operation having the signature i8* (i8*) where a null input causes a no-op and returns nul...
void EmitARCInitWeak(Address addr, llvm::Value *value)
i8* @objc_initWeak(i8** addr, i8* value) Returns value.
ARCPreciseLifetime_t
Does an ARC strong l-value have precise lifetime?
uint64_t getTypeSize(QualType T) const
Return the size of the specified (complete) type T, in bits.
ObjCIvarRefExpr - A reference to an ObjC instance variable.
llvm::Constant * objc_moveWeak
void objc_moveWeak(id *dest, id *src);
llvm::ConstantInt * getSize(CharUnits numChars)
Emit the given number of characters as a value of type size_t.
const Decl * CurFuncDecl
CurFuncDecl - Holds the Decl for the current outermost non-closure context.
CanQualType getCanonicalType(QualType T) const
Return the canonical (structural) type corresponding to the specified potentially non-canonical type ...
virtual llvm::Value * GetClass(CodeGenFunction &CGF, const ObjCInterfaceDecl *OID)=0
GetClass - Return a reference to the class for the given interface decl.
Reading or writing from this object requires a barrier call.
void EmitLexicalBlockStart(CGBuilderTy &Builder, SourceLocation Loc)
Emit metadata to indicate the beginning of a new lexical block and push the block onto the stack...
int64_t toBits(CharUnits CharSize) const
Convert a size in characters to a size in bits.
TranslationUnitDecl * getTranslationUnitDecl() const
llvm::iterator_range< arg_iterator > arguments()
A non-RAII class containing all the information about a bound opaque value.
QualType getUnqualifiedType() const
Retrieve the unqualified variant of the given type, removing as little sugar as possible.
llvm::Value * EmitObjCCollectionLiteral(const Expr *E, const ObjCMethodDecl *MethodWithObjects)
llvm::BasicBlock * getInvokeDest()
void EmitReturnStmt(const ReturnStmt &S)
EmitReturnStmt - Note that due to GCC extensions, this can have an operand if the function returns vo...
llvm::Type * ConvertType(QualType T)
ObjCIvarDecl - Represents an ObjC instance variable.
static llvm::Constant * getNullForVariable(Address addr)
Given the address of a variable of pointer type, find the correct null to store into it...
LValue EmitLValue(const Expr *E)
EmitLValue - Emit code to compute a designator that specifies the location of the expression...
Address ReturnValue
ReturnValue - The temporary alloca to hold the return value.
QualType getPointerType(QualType T) const
Return the uniqued reference to the type for a pointer to the specified type.
ImplicitParamDecl * getCmdDecl() const
llvm::Constant * objc_autoreleaseRuntimeFunction
id objc_autorelease(id); Note this is the runtime method not the intrinsic.
Represents Objective-C's @try ... @catch ... @finally statement.
SourceRange getSourceRange() const LLVM_READONLY
SourceLocation tokens are not useful in isolation - they are low level value objects created/interpre...
bool AutoreleaseResult
In ARC, whether we should autorelease the return value.
RValue EmitLoadOfLValue(LValue V, SourceLocation Loc)
EmitLoadOfLValue - Given an expression that represents a value lvalue, this method emits the address ...
llvm::Value * EmitARCRetainBlock(llvm::Value *value, bool mandatory)
Retain the given block, with _Block_copy semantics.
void generateObjCGetterBody(const ObjCImplementationDecl *classImpl, const ObjCPropertyImplDecl *propImpl, const ObjCMethodDecl *GetterMothodDecl, llvm::Constant *AtomicHelperFn)
CallExpr - Represents a function call (C99 6.5.2.2, C++ [expr.call]).
SourceLocation getBeginLoc() const LLVM_READONLY
void StartObjCMethod(const ObjCMethodDecl *MD, const ObjCContainerDecl *CD)
StartObjCMethod - Begin emission of an ObjCMethod.
llvm::Constant * IsOSVersionAtLeastFn
bool hasARCUnsafeClaimAutoreleasedReturnValue() const
Is objc_unsafeClaimAutoreleasedReturnValue available?
static Decl::Kind getKind(const Decl *D)
virtual llvm::Constant * GetCppAtomicObjectSetFunction()=0
API for atomic copying of qualified aggregates with non-trivial copy assignment (c++) in setter...
QualType getObjCFastEnumerationStateType()
Retrieve the record type that describes the state of an Objective-C fast enumeration loop (for...
void EmitObjCAutoreleasePoolCleanup(llvm::Value *Ptr)
bool hasNativeARC() const
Does this runtime natively provide the ARC entrypoints?
void EmitAggregateCopy(LValue Dest, LValue Src, QualType EltTy, AggValueSlot::Overlap_t MayOverlap, bool isVolatile=false)
EmitAggregateCopy - Emit an aggregate copy.
A reference to a declared variable, function, enum, etc.
static RValue get(llvm::Value *V)
ObjCPropertyDecl * getPropertyDecl() const
static const Expr * findWeakLValue(const Expr *E)
Given an expression of ObjC pointer type, check whether it was immediately loaded from an ARC __weak ...
llvm::Constant * objc_retainRuntimeFunction
id objc_retain(id); Note this is the runtime method not the intrinsic.
CharUnits getTypeSizeInChars(QualType T) const
Return the size of the specified (complete) type T, in characters.
static void emitAutoreleasedReturnValueMarker(CodeGenFunction &CGF)
Address EmitCompoundStmtWithoutScope(const CompoundStmt &S, bool GetLast=false, AggValueSlot AVS=AggValueSlot::ignored())
llvm::Value * LoadObjCSelf()
LoadObjCSelf - Load the value of self.
An l-value expression is a reference to an object with independent storage.
A trivial tuple used to represent a source range.
void EmitObjCAtTryStmt(const ObjCAtTryStmt &S)
LValue - This represents an lvalue references.
An abstract representation of regular/ObjC call/message targets.
ObjCMethodDecl * getGetterMethodDecl() const
Information for lazily generating a cleanup.
ObjCIvarDecl * all_declared_ivar_begin()
all_declared_ivar_begin - return first ivar declared in this class, its extensions and its implementa...
llvm::Value * EmitObjCConsumeObject(QualType T, llvm::Value *Ptr)
Produce the code for a CK_ARCConsumeObject.
llvm::PointerIntPair< llvm::Value *, 1, bool > TryEmitResult
const LangOptions & getLangOpts() const
The receiver is a superclass.
llvm::Constant * objc_retainAutoreleaseReturnValue
id objc_retainAutoreleaseReturnValue(id);
void EmitObjCAutoreleasePoolStmt(const ObjCAutoreleasePoolStmt &S)
SourceLocation getBegin() const
CallArgList - Type for representing both the value and type of arguments in a call.
Represents Objective-C's @autoreleasepool Statement.
llvm::Value * getPointer() const
SourceLocation getBodyRBrace() const
getBodyRBrace - Gets the right brace of the body, if a body exists.
SourceLocation getLocation() const
void emitARCCopyAssignWeak(QualType Ty, Address DstAddr, Address SrcAddr)
void EmitNullInitialization(Address DestPtr, QualType Ty)
EmitNullInitialization - Generate code to set a value of the given type to null, If the type contains...
llvm::Value * EmitBuiltinAvailable(ArrayRef< llvm::Value *> Args)
ArrayRef< ParmVarDecl * > parameters() const
Expr * IgnoreParens() LLVM_READONLY
IgnoreParens - Ignore parentheses.
static void emitCPPObjectAtomicSetterCall(CodeGenFunction &CGF, ObjCMethodDecl *OMD, ObjCIvarDecl *ivar, llvm::Constant *AtomicHelperFn)
emitCPPObjectAtomicSetterCall - Call the runtime function to store the value from the first formal pa...
static OMPLinearClause * Create(const ASTContext &C, SourceLocation StartLoc, SourceLocation LParenLoc, OpenMPLinearClauseKind Modifier, SourceLocation ModifierLoc, SourceLocation ColonLoc, SourceLocation EndLoc, ArrayRef< Expr *> VL, ArrayRef< Expr *> PL, ArrayRef< Expr *> IL, Expr *Step, Expr *CalcStep, Stmt *PreInit, Expr *PostUpdate)
Creates clause with a list of variables VL and a linear step Step.
llvm::Value * EmitObjCSelectorExpr(const ObjCSelectorExpr *E)
Emit a selector.
CanQualType getSizeType() const
Return the unique type for "size_t" (C99 7.17), defined in <stddef.h>.
void Destroyer(CodeGenFunction &CGF, Address addr, QualType ty)
Qualifiers::ObjCLifetime getObjCLifetime() const
Returns lifetime attribute of this type.
static void emitCXXDestructMethod(CodeGenFunction &CGF, ObjCImplementationDecl *impl)
unsigned char PointerSizeInBytes
llvm::Value * EmitObjCProtocolExpr(const ObjCProtocolExpr *E)
llvm::FunctionType * GetFunctionType(const CGFunctionInfo &Info)
GetFunctionType - Get the LLVM function type for.
QualType getPointeeType() const
Gets the type pointed to by this ObjC pointer.
const llvm::Triple & getTriple() const