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();
384 method->
hasAttr<NSConsumesSelfAttr>());
387 bool isSuperMessage =
false;
388 bool isClassMessage =
false;
399 Receiver = ter.getPointer();
400 if (ter.getInt()) retainSelf =
false;
408 assert(ObjTy &&
"Invalid Objective-C class message send");
410 assert(OID &&
"Invalid Objective-C class message send");
411 Receiver = Runtime.
GetClass(*
this, OID);
412 isClassMessage =
true;
419 isSuperMessage =
true;
425 isSuperMessage =
true;
426 isClassMessage =
true;
437 method->
hasAttr<ObjCReturnsInnerPointerAttr>() &&
453 if (isDelegateInit) {
455 "delegate init calls should only be marked in ARC");
464 if (isSuperMessage) {
467 bool isCategoryImpl = isa<ObjCCategoryImplDecl>(OMD->
getDeclContext());
485 if (isDelegateInit) {
508 if (!iface->getSuperClass())
return;
510 bool isCategory = isa<ObjCCategoryImplDecl>(impl);
537 if (OMD->
hasAttr<NoDebugAttr>())
562 if (ident->
isStr(
"dealloc"))
575 assert(isa<CompoundStmt>(OMD->
getBody()));
584 bool isAtomic,
bool hasStrong) {
624 llvm::Triple::ArchType arch) {
634 class PropertyImplStrategy {
646 SetPropertyAndExpressionGet,
656 StrategyKind
getKind()
const {
return StrategyKind(
Kind); }
658 bool hasStrongMember()
const {
return HasStrong; }
659 bool isAtomic()
const {
return IsAtomic; }
660 bool isCopy()
const {
return IsCopy; }
662 CharUnits getIvarSize()
const {
return IvarSize; }
663 CharUnits getIvarAlignment()
const {
return IvarAlignment; }
670 unsigned IsAtomic : 1;
672 unsigned HasStrong : 1;
680 PropertyImplStrategy::PropertyImplStrategy(
CodeGenModule &CGM,
692 std::tie(IvarSize, IvarAlignment) =
698 Kind = GetSetProperty;
711 }
else if (CGM.
getLangOpts().ObjCAutoRefCount && !IsAtomic) {
721 Kind = SetPropertyAndExpressionGet;
727 }
else if (!IsAtomic) {
728 Kind = SetPropertyAndExpressionGet;
733 Kind = GetSetProperty;
764 HasStrong = recordType->getDecl()->hasObjectMember();
779 if (!IvarSize.isPowerOfTwo()) {
784 llvm::Triple::ArchType arch =
812 llvm::Constant *AtomicHelperFn =
816 assert(OMD &&
"Invalid call to generate getter (empty method)");
826 if (!getter)
return true;
839 return (construct->getConstructor()->isTrivial());
843 assert(isa<ExprWithCleanups>(getter));
850 llvm::Value *returnAddr,
852 llvm::Constant *AtomicHelperFn) {
861 llvm::Value *ivarAddr =
870 llvm::Constant *copyCppAtomicObjectFn =
882 llvm::Constant *AtomicHelperFn) {
885 if (!AtomicHelperFn) {
893 ivar, AtomicHelperFn);
905 PropertyImplStrategy strategy(CGM, propImpl);
906 switch (strategy.getKind()) {
907 case PropertyImplStrategy::Native: {
909 if (strategy.getIvarSize().isZero())
918 bitcastType = bitcastType->getPointerTo();
924 load->setAtomic(llvm::AtomicOrdering::Unordered);
930 uint64_t retTySize = CGM.
getDataLayout().getTypeSizeInBits(retTy);
931 llvm::Value *ivarVal = load;
932 if (ivarSize > retTySize) {
934 ivarVal =
Builder.CreateTrunc(load, newTy);
935 bitcastType = newTy->getPointerTo();
945 case PropertyImplStrategy::GetSetProperty: {
946 llvm::Constant *getPropertyFn =
948 if (!getPropertyFn) {
960 llvm::Value *ivarOffset =
972 llvm::Instruction *CallInstruction;
974 getTypes().arrangeBuiltinFunctionCall(propType, args),
976 if (llvm::CallInst *call = dyn_cast<llvm::CallInst>(CallInstruction))
986 EmitReturnOfRValue(RV, propType);
994 case PropertyImplStrategy::CopyStruct:
996 strategy.hasStrongMember());
999 case PropertyImplStrategy::Expression:
1000 case PropertyImplStrategy::SetPropertyAndExpressionGet: {
1045 llvm_unreachable(
"bad evaluation kind");
1049 llvm_unreachable(
"bad @property implementation strategy!");
1100 llvm::Constant *AtomicHelperFn) {
1106 llvm::Value *ivarAddr =
1123 llvm::Constant *fn =
1134 if (!setter)
return true;
1144 if (
CallExpr *call = dyn_cast<CallExpr>(setter)) {
1146 = dyn_cast_or_null<FunctionDecl>(call->getCalleeDecl()))
1147 if (callee->isTrivial())
1152 assert(isa<ExprWithCleanups>(setter));
1165 llvm::Constant *AtomicHelperFn) {
1173 if (!AtomicHelperFn)
1183 PropertyImplStrategy strategy(CGM, propImpl);
1184 switch (strategy.getKind()) {
1185 case PropertyImplStrategy::Native: {
1187 if (strategy.getIvarSize().isZero())
1194 Address ivarAddr = ivarLValue.getAddress();
1200 getContext().toBits(strategy.getIvarSize()));
1211 store->setAtomic(llvm::AtomicOrdering::Unordered);
1215 case PropertyImplStrategy::GetSetProperty:
1216 case PropertyImplStrategy::SetPropertyAndExpressionGet: {
1218 llvm::Constant *setOptimizedPropertyFn =
nullptr;
1219 llvm::Constant *setPropertyFn =
nullptr;
1222 setOptimizedPropertyFn =
1226 if (!setOptimizedPropertyFn) {
1233 if (!setPropertyFn) {
1245 llvm::Value *ivarOffset =
1254 if (setOptimizedPropertyFn) {
1277 case PropertyImplStrategy::CopyStruct:
1281 case PropertyImplStrategy::Expression:
1290 selfDecl->
getType(), CK_LValueToRValue, &
self,
1294 &selfLoad,
true,
true);
1297 QualType argType = argDecl->getType().getNonReferenceType();
1307 if (ivarRef.getType()->isObjCObjectPointerType()) {
1308 if (argLoad.getType()->isObjCObjectPointerType())
1310 else if (argLoad.getType()->isBlockPointerType())
1311 argCK = CK_BlockPointerToObjCPointerCast;
1313 argCK = CK_CPointerToObjCPointerCast;
1314 }
else if (ivarRef.getType()->isBlockPointerType()) {
1315 if (argLoad.getType()->isBlockPointerType())
1318 argCK = CK_AnyPointerToBlockPointerCast;
1319 }
else if (ivarRef.getType()->isPointerType()) {
1323 ivarRef.getType(), argCK, &argLoad,
1325 Expr *finalArg = &argLoad;
1328 finalArg = &argCast;
1343 llvm::Constant *AtomicHelperFn =
1347 assert(OMD &&
"Invalid call to generate setter (empty method)");
1361 bool useEHCleanupForArray;
1363 DestroyIvar(llvm::Value *addr,
const ObjCIvarDecl *ivar,
1365 bool useEHCleanupForArray)
1366 : addr(addr), ivar(ivar), destroyer(destroyer),
1367 useEHCleanupForArray(useEHCleanupForArray) {}
1373 flags.isForNormalCleanup() && useEHCleanupForArray);
1399 if (!dtorKind)
continue;
1415 CGF.
EHStack.pushCleanup<DestroyIvar>(cleanupKind,
self, ivar, destroyer,
1433 for (
const auto *IvarInit : IMP->
inits()) {
1434 FieldDecl *Field = IvarInit->getAnyMember();
1446 llvm::Value *SelfAsId =
1473 llvm::Constant *EnumerationMutationFnPtr =
1475 if (!EnumerationMutationFnPtr) {
1501 static const unsigned NumItems = 16;
1514 llvm::APInt(32, NumItems),
1519 llvm::Value *Collection;
1550 llvm::Constant *Count = llvm::ConstantInt::get(UnsignedLongLTy, NumItems);
1561 llvm::Value *initialBufferLimit = CountRV.
getScalarVal();
1566 llvm::Value *zero = llvm::Constant::getNullValue(UnsignedLongLTy);
1573 Builder.CreateICmpEQ(initialBufferLimit, zero,
"iszero"), EmptyBB,
1585 llvm::Value *StateMutationsPtr
1588 llvm::Value *initialMutations =
1590 "forcoll.initial-mutations");
1598 llvm::PHINode *index =
Builder.CreatePHI(UnsignedLongLTy, 3,
"forcoll.index");
1599 index->addIncoming(zero, LoopInitBB);
1602 llvm::PHINode *count =
Builder.CreatePHI(UnsignedLongLTy, 3,
"forcoll.count");
1603 count->addIncoming(initialBufferLimit, LoopInitBB);
1611 llvm::Value *currentMutations
1616 llvm::BasicBlock *WasNotMutatedBB =
createBasicBlock(
"forcoll.notmutated");
1618 Builder.CreateCondBr(
Builder.CreateICmpEQ(currentMutations, initialMutations),
1619 WasNotMutatedBB, WasMutatedBB);
1639 bool elementIsVariable;
1646 const VarDecl* D = cast<VarDecl>(SD->getSingleDecl());
1651 elementIsVariable =
true;
1656 elementLValue =
LValue();
1657 elementType = cast<Expr>(S.
getElement())->getType();
1658 elementIsVariable =
false;
1667 llvm::Value *EnumStateItems =
1671 llvm::Value *CurrentItemPtr =
1672 Builder.CreateGEP(EnumStateItems, index,
"currentitem.ptr");
1673 llvm::Value *CurrentItem =
1682 if (!elementIsVariable) {
1692 if (elementIsVariable)
1696 BreakContinueStack.push_back(BreakContinue(LoopEnd, AfterBody));
1701 BreakContinueStack.pop_back();
1712 llvm::Value *indexPlusOne
1713 =
Builder.CreateAdd(index, llvm::ConstantInt::get(UnsignedLongLTy, 1));
1720 Builder.CreateICmpULT(indexPlusOne, count), LoopBodyBB, FetchMoreBB,
1723 index->addIncoming(indexPlusOne, AfterBody.
getBlock());
1724 count->addIncoming(count, AfterBody.
getBlock());
1739 index->addIncoming(zero,
Builder.GetInsertBlock());
1740 count->addIncoming(refetchCount,
Builder.GetInsertBlock());
1743 EmptyBB, LoopBodyBB);
1748 if (!elementIsVariable) {
1751 llvm::Value *null = llvm::Constant::getNullValue(convertedElementType);
1778 CallObjCRelease(llvm::Value *
object) : object(object) {}
1779 llvm::Value *object;
1791 llvm::Value *
object) {
1799 llvm::Value *value) {
1808 llvm::FunctionType *fnType =
1809 llvm::FunctionType::get(CGM.
VoidTy,
None,
true);
1820 return llvm::StringSwitch<bool>(
Name)
1821 .Cases(
"objc_autoreleaseReturnValue",
1823 "objc_retainAutoreleaseReturnValue",
1824 "objc_retainAutoreleasedReturnValue",
1825 "objc_retainAutorelease",
1826 "objc_retainedObject",
1828 "objc_unretainedObject",
1829 "objc_unretainedPointer",
1830 "objc_unsafeClaimAutoreleasedReturnValue",
1836 llvm::FunctionType *FTy,
1840 if (
auto *F = dyn_cast<llvm::Function>(RTF)) {
1846 F->setLinkage(llvm::Function::ExternalWeakLinkage);
1847 }
else if (Name ==
"objc_retain" || Name ==
"objc_release") {
1850 F->addFnAttr(llvm::Attribute::NonLazyBind);
1854 F->arg_begin()->addAttr(llvm::Attribute::Returned);
1865 llvm::Constant *&fn,
1867 bool isTailCall =
false) {
1868 if (isa<llvm::ConstantPointerNull>(value))
1872 llvm::FunctionType *fnType =
1884 call->setTailCall();
1894 llvm::Constant *&fn,
1897 llvm::FunctionType *fnType =
1921 llvm::Constant *&fn,
1929 llvm::FunctionType *fnType
1930 = llvm::FunctionType::get(CGF.
Int8PtrTy, argTypes,
false);
1936 llvm::Value *args[] = {
1942 if (ignored)
return nullptr;
1952 llvm::Constant *&fn,
1959 llvm::FunctionType *fnType
1960 = llvm::FunctionType::get(CGF.
Builder.getVoidTy(), argTypes,
false);
1964 llvm::Value *args[] = {
2000 "objc_retainBlock");
2006 if (!mandatory && isa<llvm::Instruction>(result)) {
2007 llvm::CallInst *call
2008 = cast<llvm::CallInst>(result->stripPointerCasts());
2011 call->setMetadata(
"clang.arc.copy_on_escape",
2021 llvm::InlineAsm *&marker
2029 if (assembly.empty()) {
2034 llvm::FunctionType *
type =
2035 llvm::FunctionType::get(CGF.
VoidTy,
false);
2037 marker = llvm::InlineAsm::get(type, assembly,
"",
true);
2043 llvm::NamedMDNode *metadata =
2045 "clang.arc.retainAutoreleasedReturnValueMarker");
2046 assert(metadata->getNumOperands() <= 1);
2047 if (metadata->getNumOperands() == 0) {
2049 metadata->addOperand(llvm::MDNode::get(ctx,
2050 llvm::MDString::get(ctx, assembly)));
2057 CGF.
Builder.CreateCall(marker);
2070 "objc_retainAutoreleasedReturnValue");
2085 "objc_unsafeClaimAutoreleasedReturnValue");
2092 if (isa<llvm::ConstantPointerNull>(value))
return;
2096 llvm::FunctionType *fnType =
2108 call->setMetadata(
"clang.imprecise_release",
2144 llvm::FunctionType *fnType
2145 = llvm::FunctionType::get(
Builder.getVoidTy(), argTypes,
false);
2149 llvm::Value *args[] = {
2155 if (ignored)
return nullptr;
2163 llvm::Value *newValue,
2200 "objc_autorelease");
2209 "objc_autoreleaseReturnValue",
2219 "objc_retainAutoreleaseReturnValue",
2229 llvm::Value *value) {
2233 if (isa<llvm::ConstantPointerNull>(value))
return value;
2248 "objc_retainAutorelease");
2263 "objc_loadWeakRetained");
2273 "objc_storeWeak", ignored);
2285 if (isa<llvm::ConstantPointerNull>(value) &&
2293 "objc_initWeak",
true);
2301 llvm::FunctionType *fnType =
2335 llvm::FunctionType *fnType =
2336 llvm::FunctionType::get(
Int8PtrTy,
false);
2350 llvm::FunctionType *fnType =
2377 AllocSel, Receiver, Args);
2386 InitSel, Receiver, Args);
2428 CallObjCAutoreleasePoolObject(llvm::Value *token) :
Token(token) {}
2437 CallObjCMRRAutoreleasePoolObject(llvm::Value *token) :
Token(token) {}
2469 llvm_unreachable(
"impossible lifetime!");
2502 isa<BinaryOperator>(e) &&
2503 cast<BinaryOperator>(e)->getOpcode() == BO_Assign)
2510 llvm::Value *value)>
2518 if (llvm::CallInst *call = dyn_cast<llvm::CallInst>(value)) {
2519 CGBuilderTy::InsertPoint ip = CGF.
Builder.saveIP();
2522 CGF.
Builder.SetInsertPoint(call->getParent(),
2523 ++llvm::BasicBlock::iterator(call));
2524 value = doAfterCall(CGF, value);
2528 }
else if (llvm::InvokeInst *invoke = dyn_cast<llvm::InvokeInst>(value)) {
2529 CGBuilderTy::InsertPoint ip = CGF.
Builder.saveIP();
2532 llvm::BasicBlock *BB = invoke->getNormalDest();
2533 CGF.
Builder.SetInsertPoint(BB, BB->begin());
2534 value = doAfterCall(CGF, value);
2541 }
else if (llvm::BitCastInst *bitcast = dyn_cast<llvm::BitCastInst>(value)) {
2542 llvm::Value *operand = bitcast->getOperand(0);
2544 bitcast->setOperand(0, operand);
2551 return doFallback(CGF, value);
2584 bool allowUnsafeClaim) {
2585 if (allowUnsafeClaim &&
2603 if (isa<BlockExpr>(e))
2607 switch (
cast->getCastKind()) {
2609 case CK_LValueToRValue:
2610 case CK_ARCReclaimReturnedObject:
2611 case CK_ARCConsumeObject:
2612 case CK_ARCProduceObject:
2621 case CK_AnyPointerToBlockPointerCast:
2633 template <
typename Impl,
typename Result>
class ARCExprEmitter {
2636 Impl &asImpl() {
return *
static_cast<Impl*
>(
this); }
2667 template <
typename Impl,
typename Result>
2679 const Expr *semantic = *i;
2683 if (
const OpaqueValueExpr *ov = dyn_cast<OpaqueValueExpr>(semantic)) {
2689 if (ov == resultExpr) {
2690 assert(!OVMA::shouldBindAsLValue(ov));
2691 result = asImpl().visit(ov->getSourceExpr());
2692 opaqueData = OVMA::bind(CGF, ov,
2697 opaqueData = OVMA::bind(CGF, ov, ov->getSourceExpr());
2699 opaques.push_back(opaqueData);
2703 }
else if (semantic == resultExpr) {
2704 result = asImpl().visit(semantic);
2708 CGF.EmitIgnoredExpr(semantic);
2713 for (
unsigned i = 0, e = opaques.size(); i != e; ++i)
2714 opaques[i].unbind(CGF);
2719 template <
typename Impl,
typename Result>
2720 Result ARCExprEmitter<Impl,Result>::visitCastExpr(
const CastExpr *e) {
2728 case CK_CPointerToObjCPointerCast:
2729 case CK_BlockPointerToObjCPointerCast:
2730 case CK_AnyPointerToBlockPointerCast:
2735 return asImpl().emitBitCast(result, resultType);
2739 case CK_LValueToRValue:
2740 return asImpl().visitLValueToRValue(e->
getSubExpr());
2741 case CK_ARCConsumeObject:
2742 return asImpl().visitConsumeObject(e->
getSubExpr());
2743 case CK_ARCExtendBlockObject:
2744 return asImpl().visitExtendBlockObject(e->
getSubExpr());
2745 case CK_ARCReclaimReturnedObject:
2746 return asImpl().visitReclaimReturnedObject(e->
getSubExpr());
2750 return asImpl().visitExpr(e);
2754 template <
typename Impl,
typename Result>
2756 ARCExprEmitter<Impl,Result>::visitBinaryOperator(
const BinaryOperator *e) {
2759 CGF.EmitIgnoredExpr(e->
getLHS());
2760 CGF.EnsureInsertPoint();
2761 return asImpl().visit(e->
getRHS());
2764 return asImpl().visitBinAssign(e);
2767 return asImpl().visitExpr(e);
2771 template <
typename Impl,
typename Result>
2775 return asImpl().visitBinAssignUnsafeUnretained(e);
2778 return asImpl().visitBinAssignWeak(e);
2781 return asImpl().visitBinAssignAutoreleasing(e);
2784 return asImpl().visitBinAssignStrong(e);
2787 return asImpl().visitExpr(e);
2789 llvm_unreachable(
"bad ObjC ownership qualifier");
2794 template <
typename Impl,
typename Result>
2795 Result ARCExprEmitter<Impl,Result>::
2804 CGF.EmitStoreThroughLValue(
RValue::get(asImpl().getValueOfResult(result)),
2810 template <
typename Impl,
typename Result>
2812 ARCExprEmitter<Impl,Result>::visitBinAssignAutoreleasing(
const BinaryOperator *e) {
2813 return asImpl().visitExpr(e);
2816 template <
typename Impl,
typename Result>
2818 ARCExprEmitter<Impl,Result>::visitBinAssignWeak(
const BinaryOperator *e) {
2819 return asImpl().visitExpr(e);
2822 template <
typename Impl,
typename Result>
2824 ARCExprEmitter<Impl,Result>::visitBinAssignStrong(
const BinaryOperator *e) {
2825 return asImpl().visitExpr(e);
2829 template <
typename Impl,
typename Result>
2830 Result ARCExprEmitter<Impl,Result>::visit(
const Expr *e) {
2835 assert(!isa<ExprWithCleanups>(e));
2841 if (
const CastExpr *ce = dyn_cast<CastExpr>(e)) {
2842 return asImpl().visitCastExpr(ce);
2845 }
else if (
auto op = dyn_cast<BinaryOperator>(e)) {
2846 return asImpl().visitBinaryOperator(op);
2854 }
else if (isa<CallExpr>(e) ||
2855 (isa<ObjCMessageExpr>(e) &&
2856 !cast<ObjCMessageExpr>(e)->isDelegateInitCall())) {
2857 return asImpl().visitCall(e);
2860 }
else if (
const PseudoObjectExpr *pseudo = dyn_cast<PseudoObjectExpr>(e)) {
2861 return asImpl().visitPseudoObjectExpr(pseudo);
2864 return asImpl().visitExpr(e);
2870 struct ARCRetainExprEmitter :
2871 public ARCExprEmitter<ARCRetainExprEmitter, TryEmitResult> {
2876 return result.getPointer();
2880 llvm::Value *value = result.getPointer();
2881 value = CGF.Builder.CreateBitCast(value, resultType);
2882 result.setPointer(value);
2893 llvm::Value *result = CGF.EmitScalarExpr(e);
2901 llvm::Value *result;
2906 result = CGF.EmitScalarExpr(e);
2913 if (subresult.getInt()) {
2918 result = subresult.getPointer();
2922 result = CGF.EmitARCRetainBlock(result,
true);
2944 llvm::Value *result = CGF.EmitScalarExpr(e);
2952 return ARCRetainExprEmitter(CGF).visit(e);
2959 llvm::Value *value = result.getPointer();
2960 if (!result.getInt())
2978 llvm::Value *value = result.getPointer();
2979 if (!result.getInt())
2994 llvm::Value *value = result.getPointer();
2995 if (result.getInt())
3003 llvm::Value *result;
3011 result = subresult.getPointer();
3012 doRetain = !subresult.getInt();
3039 struct ARCUnsafeUnretainedExprEmitter :
3040 public ARCExprEmitter<ARCUnsafeUnretainedExprEmitter, llvm::Value*> {
3042 ARCUnsafeUnretainedExprEmitter(
CodeGenFunction &CGF) : ARCExprEmitter(CGF) {}
3044 llvm::Value *getValueOfResult(llvm::Value *value) {
3048 llvm::Value *emitBitCast(llvm::Value *value,
llvm::Type *resultType) {
3049 return CGF.Builder.CreateBitCast(value, resultType);
3052 llvm::Value *visitLValueToRValue(
const Expr *e) {
3053 return CGF.EmitScalarExpr(e);
3058 llvm::Value *visitConsumeObject(
const Expr *e) {
3059 llvm::Value *value = CGF.EmitScalarExpr(e);
3060 return CGF.EmitObjCConsumeObject(e->
getType(), value);
3065 llvm::Value *visitExtendBlockObject(
const Expr *e) {
3066 return CGF.EmitARCExtendBlockObject(e);
3070 llvm::Value *visitReclaimReturnedObject(
const Expr *e) {
3071 return CGF.EmitARCReclaimReturnedObject(e,
true);
3076 llvm::Value *visitCall(
const Expr *e) {
3077 return CGF.EmitScalarExpr(e);
3081 llvm::Value *visitExpr(
const Expr *e) {
3082 return CGF.EmitScalarExpr(e);
3089 return ARCUnsafeUnretainedExprEmitter(CGF).visit(e);
3107 std::pair<LValue,llvm::Value*>
3123 return std::pair<LValue,llvm::Value*>(std::move(lvalue), value);
3126 std::pair<LValue,llvm::Value*>
3131 llvm::Value *value = result.getPointer();
3133 bool hasImmediateRetain = result.getInt();
3140 hasImmediateRetain =
true;
3146 if (hasImmediateRetain) {
3154 return std::pair<LValue,llvm::Value*>(lvalue, value);
3157 std::pair<LValue,llvm::Value*>
3164 return std::pair<LValue,llvm::Value*>(lvalue, value);
3186 for (
const auto *
I : S.
body())
3197 llvm::FunctionType *extenderType
3199 llvm::Value *extender
3200 = llvm::InlineAsm::get(extenderType,
3225 llvm::Constant *HelperFn =
nullptr;
3251 args.push_back(&DstDecl);
3254 args.push_back(&SrcDecl);
3261 llvm::Function *Fn =
3263 "__assign_helper_atomic_property_",
3272 UnaryOperator DST(&DstExpr, UO_Deref, DestTy->getPointeeType(),
3280 Expr *Args[2] = { &DST, &SRC };
3283 Args, DestTy->getPointeeType(),
3289 HelperFn = llvm::ConstantExpr::getBitCast(Fn,
VoidPtrTy);
3306 llvm::Constant *HelperFn =
nullptr;
3334 args.push_back(&DstDecl);
3337 args.push_back(&SrcDecl);
3344 llvm::Function *Fn =
3346 "__copy_helper_atomic_property_", &CGM.
getModule());
3362 ConstructorArgs.push_back(&SRC);
3363 ConstructorArgs.append(std::next(CXXConstExpr->arg_begin()),
3364 CXXConstExpr->arg_end());
3368 CXXConstExpr->getConstructor(),
3369 CXXConstExpr->isElidable(),
3371 CXXConstExpr->hadMultipleCandidates(),
3372 CXXConstExpr->isListInitialization(),
3373 CXXConstExpr->isStdInitListInitialization(),
3374 CXXConstExpr->requiresZeroInitialization(),
3375 CXXConstExpr->getConstructionKind(),
3392 HelperFn = llvm::ConstantExpr::getBitCast(Fn,
VoidPtrTy);
3409 llvm::Value *Val = Block;
3416 Ty, AutoreleaseSelector,
3424 assert(Args.size() == 3 &&
"Expected 3 argument here!");
3427 llvm::FunctionType *FTy =
3433 llvm::Value *CallRes =
3436 return Builder.CreateICmpNE(CallRes, llvm::Constant::getNullValue(
Int32Ty));
3439 void CodeGenModule::emitAtAvailableLinkGuard() {
3450 llvm::Metadata *Args[2] = {llvm::MDString::get(Context,
"-framework"),
3451 llvm::MDString::get(Context,
"CoreFoundation")};
3452 LinkerOptionsMetadata.push_back(llvm::MDNode::get(Context, Args));
3455 llvm::FunctionType *FTy =
3457 llvm::Constant *CFFunc =
3460 llvm::FunctionType *CheckFTy = llvm::FunctionType::get(
VoidTy, {},
false);
3462 CheckFTy,
"__clang_at_available_requires_core_foundation_framework"));
3463 CFLinkCheckFunc->setLinkage(llvm::GlobalValue::LinkOnceAnyLinkage);
3466 CGF.Builder.SetInsertPoint(CGF.createBasicBlock(
"", CFLinkCheckFunc));
3467 CGF.EmitNounwindRuntimeCall(CFFunc, llvm::Constant::getNullValue(
VoidPtrTy));
3468 CGF.Builder.CreateUnreachable();
const CGFunctionInfo & arrangeBuiltinFunctionDeclaration(QualType resultType, const FunctionArgList &args)
A builtin function is a freestanding function using the default C conventions.
llvm::PointerType * Int8PtrPtrTy
A call to an overloaded operator written using operator syntax.
The receiver is the instance of the superclass object.
param_const_iterator param_begin() const
ReturnValueSlot - Contains the address where the return value of a function can be stored...
static bool UseOptimizedSetter(CodeGenModule &CGM)
Defines the clang::ASTContext interface.
bool isAtomic() const
isAtomic - Return true if the property is atomic.
SourceLocation getEnd() const
CastKind getCastKind() const
FunctionDecl - An instance of this class is created to represent a function declaration or definition...
llvm::Value * EmitARCStoreStrong(LValue lvalue, llvm::Value *value, bool resultIgnored)
Store into a strong object.
const internal::VariadicDynCastAllOfMatcher< Stmt, Expr > expr
Matches expressions.
The receiver is an object instance.
llvm::Value * EmitARCReclaimReturnedObject(const Expr *e, bool allowUnsafeClaim)
Parameter for captured context.
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.
Smart pointer class that efficiently represents Objective-C method names.
llvm::Value * EmitARCRetainAutoreleaseScalarExpr(const Expr *expr)
static bool hasTrivialGetExpr(const ObjCPropertyImplDecl *propImpl)
ObjCEntrypoints & getObjCEntrypoints() const
Destroyer * getDestroyer(QualType::DestructionKind destructionKind)
A (possibly-)qualified type.
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...
llvm::Value * getPointer() const
CodeGenTypes & getTypes()
llvm::Value * EmitARCExtendBlockObject(const Expr *expr)
ObjCInterfaceDecl * getClassInterface()
bool isBitField() const
Determines whether this field is a bitfield.
DestructionKind isDestructedType() const
Returns a nonzero value if objects of this type require non-trivial work to clean up after...
virtual llvm::Function * GenerateMethod(const ObjCMethodDecl *OMD, const ObjCContainerDecl *CD)=0
Generate a function preamble for a method with the specified types.
llvm::Module & getModule() const
QualType getClassReceiver() const
Returns the type of a class message send, or NULL if the message is not a class message.
bool isDelegateInitCall() const
isDelegateInitCall - Answers whether this message send has been tagged as a "delegate init call"...
llvm::LLVMContext & getLLVMContext()
static AggValueSlot forLValue(const LValue &LV, IsDestructed_t isDestructed, NeedsGCBarriers_t needsGC, IsAliased_t isAliased, IsZeroed_t isZeroed=IsNotZeroed)
void EmitARCDestroyWeak(Address addr)
void @objc_destroyWeak(i8** addr) Essentially objc_storeWeak(addr, nil).
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.
CanQualType getSizeType() const
Return the unique type for "size_t" (C99 7.17), defined in <stddef.h>.
Implements runtime-specific code generation functions.
void addConst()
Add the const type qualifier to this QualType.
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...
bool isRecordType() const
llvm::Constant * objc_autoreleaseReturnValue
id objc_autoreleaseReturnValue(id);
Address getAddress() const
bool hasARCUnsafeClaimAutoreleasedReturnValue() const
Is objc_unsafeClaimAutoreleasedReturnValue available?
const Decl * CurCodeDecl
CurCodeDecl - This is the inner-most code context, which includes blocks.
const llvm::DataLayout & getDataLayout() 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...
const ObjCObjectType * getObjectType() const
Gets the type pointed to by this ObjC pointer.
Represents a call to a C++ constructor.
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.
void ForceCleanup(std::initializer_list< llvm::Value ** > ValuesToReload={})
Force the emission of cleanups now, instead of waiting until this object is destroyed.
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...
const LangOptions & getLangOpts() const
bool isBlockPointerType() const
llvm::Value * EmitARCRetainNonBlock(llvm::Value *value)
Retain the given object, with normal retain semantics.
static llvm::Value * emitARCRetainLoadOfScalar(CodeGenFunction &CGF, LValue lvalue, QualType type)
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 Destroyer destroyARCWeak
static CXXConstructExpr * Create(const ASTContext &C, QualType T, SourceLocation Loc, CXXConstructorDecl *Ctor, bool Elidable, ArrayRef< Expr * > Args, bool HadMultipleCandidates, bool ListInitialization, bool StdInitListInitialization, bool ZeroInitialization, ConstructionKind ConstructKind, SourceRange ParenOrBraceRange)
ObjCDictionaryElement getKeyValueElement(unsigned Index) const
Address GetAddrOfLocalVar(const VarDecl *VD)
GetAddrOfLocalVar - Return the address of a local variable.
VarDecl - An instance of this class is created to represent a variable declaration or definition...
Objects with "hidden" visibility are not seen by the dynamic linker.
llvm::Type * getElementType() const
Return the type of the values stored in this address.
Expr * getSetterCXXAssignment() const
const Expr * getCallee() const
ObjCLifetime getObjCLifetime() const
SourceLocation getLocStart() const LLVM_READONLY
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.
uint64_t getTypeSize(QualType T) const
Return the size of the specified (complete) type T, in bits.
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)
bool shouldUseFusedARCCalls()
llvm::Constant * getAtomicSetterHelperFnMap(QualType Ty)
Defines the Objective-C statement AST node classes.
Represents an expression – generally a full-expression – that introduces cleanups to be run at the en...
ParmVarDecl - Represents a parameter to a function.
bool isObjCRetainableType() const
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.
A jump destination is an abstract label, branching to which may require a jump out through normal cle...
llvm::Constant * getPointer() const
llvm::Value * EmitObjCThrowOperand(const Expr *expr)
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.
ObjCProtocolDecl * getProtocol() 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.
IdentifierInfo * getIdentifierInfoForSlot(unsigned argIndex) const
Retrieve the identifier at a given position in the selector.
Holds long-lived AST nodes (such as types and decls) that can be referred to throughout the semantic ...
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 isReferenceType() const
llvm::Value * EmitARCRetainAutoreleaseReturnValue(llvm::Value *value)
Do a fused retain/autorelease of the given object.
FieldDecl - An instance of this class is created by Sema::ActOnField to represent a member of a struc...
ImplicitParamDecl * getCmdDecl() const
StringLiteral * getString()
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.
void GenerateObjCCtorDtorMethod(ObjCImplementationDecl *IMP, ObjCMethodDecl *MD, bool ctor)
SourceLocation getLBracLoc() const
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...
bool hasSameUnqualifiedType(QualType T1, QualType T2) const
Determine whether the given types are equivalent after cvr-qualifiers have been removed.
An r-value expression (a pr-value in the C++11 taxonomy) produces a temporary value.
ComplexPairTy EmitLoadOfComplex(LValue src, SourceLocation loc)
EmitLoadOfComplex - Load a complex number from the specified l-value.
const Expr *const * const_semantics_iterator
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.
llvm::Value * EmitARCStoreStrongCall(Address addr, llvm::Value *value, bool resultIgnored)
Store into a strong object.
llvm::Value * EmitLoadOfScalar(Address Addr, bool Volatile, QualType Ty, SourceLocation Loc, LValueBaseInfo BaseInfo=LValueBaseInfo(AlignmentSource::Type), llvm::MDNode *TBAAInfo=nullptr, QualType TBAABaseTy=QualType(), uint64_t TBAAOffset=0, bool isNontemporal=false)
EmitLoadOfScalar - Load a scalar value from an address, taking care to appropriately convert from the...
llvm::Constant * objc_initWeak
id objc_initWeak(id*, id);
bool hasOptimizedSetter() const
Does this runtime supports optimized setter entrypoints?
llvm::Value * EmitObjCStringLiteral(const ObjCStringLiteral *E)
Emits an instance of NSConstantString representing the object.
Selector getNullarySelector(IdentifierInfo *ID)
ObjCMethodDecl * getBoxingMethod() const
CharUnits getAlignment() const
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.
const Qualifiers & getQuals() const
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.
ObjCMethodFamily getMethodFamily() const
Determines the family of this method.
bool hasNativeARC() const
Does this runtime natively provide the ARC entrypoints?
QualType getSuperType() const
Retrieve the type referred to by 'super'.
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".
Selector getSelector() const
Expr * getGetterCXXConstructor() const
llvm::Value * EmitARCUnsafeUnretainedScalarExpr(const Expr *expr)
EmitARCUnsafeUnretainedScalarExpr - Semantically equivalent to immediately releasing the resut of Emi...
CharUnits getPointerSize() const
ObjCInterfaceDecl * getInterface() const
Gets the interface declaration for this object type, if the base type really is an interface...
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.
void EmitStmt(const Stmt *S)
EmitStmt - Emit the code for the statement.
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.
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...
void assignRegionCounters(GlobalDecl GD, llvm::Function *Fn)
Assign counters to regions and configure them for PGO of a given function.
void addCompilerUsedGlobal(llvm::GlobalValue *GV)
Add a global to a list to be added to the llvm.compiler.used metadata.
CastExpr - Base class for type casts, including both implicit casts (ImplicitCastExpr) and explicit c...
bool requiresCleanups() const
Determine whether this scope requires any cleanups.
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.
virtual llvm::Constant * GetGetStructFunction()=0
GlobalDecl CurGD
CurGD - The GlobalDecl for the current function being compiled.
CharUnits getTypeSizeInChars(QualType T) const
Return the size of the specified (complete) type T, in characters.
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.
Represents an ObjC class declaration.
SourceLocation getLocEnd() const LLVM_READONLY
static llvm::Constant * createARCRuntimeFunction(CodeGenModule &CGM, llvm::FunctionType *FTy, StringRef Name)
detail::InMemoryDirectory::const_iterator I
PropertyAttributeKind getPropertyAttributes() const
static TryEmitResult tryEmitARCRetainScalarExpr(CodeGenFunction &CGF, const Expr *e)
std::pair< CharUnits, CharUnits > getTypeInfoInChars(const Type *T) const
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.
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.
ObjCPropertyImplDecl - Represents implementation declaration of a property in a class or category imp...
llvm::CallSite EmitRuntimeCallOrInvoke(llvm::Value *callee, ArrayRef< llvm::Value * > args, const Twine &name="")
Emits a call or invoke instruction to the given runtime function.
RValue EmitObjCMessageExpr(const ObjCMessageExpr *E, ReturnValueSlot Return=ReturnValueSlot())
const ParmVarDecl *const * param_const_iterator
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
llvm::CallInst * EmitNounwindRuntimeCall(llvm::Value *callee, const Twine &name="")
const TargetCodeGenInfo & getTargetCodeGenInfo()
Qualifiers::ObjCLifetime getObjCLifetime() const
Returns lifetime attribute of this type.
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);
const TargetInfo & getTarget() const
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...
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.
CleanupKind getARCCleanupKind()
Retrieves the default cleanup kind for an ARC cleanup.
static AutoVarEmission invalid()
SourceLocation getBodyRBrace() const
getBodyRBrace - Gets the right brace of the body, if a body exists.
QualType getPointeeType() const
If this is a pointer, ObjC object pointer, or block pointer, this returns the respective pointee...
bool isUnarySelector() const
llvm::Value * EmitARCStoreWeak(Address addr, llvm::Value *value, bool ignored)
i8* @objc_storeWeak(i8** addr, i8* value) Returns value.
const ObjCMethodDecl * getMethodDecl() const
static TypeEvaluationKind getEvaluationKind(QualType T)
hasAggregateLLVMType - Return true if the specified AST type will map into an aggregate LLVM type or ...
CGObjCRuntime & getObjCRuntime()
Return a reference to the configured Objective-C runtime.
static bool shouldExtendReceiverForInnerPointerMessage(const ObjCMessageExpr *message)
Decide whether to extend the lifetime of the receiver of a returns-inner-pointer message.
llvm::Value * getPointer() const
llvm::Value * EmitBuiltinAvailable(ArrayRef< llvm::Value * > Args)
ValueDecl - Represent the declaration of a variable (in which case it is an lvalue) a function (in wh...
Expr - This represents one expression.
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)
Enters a new scope for capturing cleanups, all of which will be executed once the scope is exited...
SetterKind getSetterKind() const
getSetterKind - Return the method used for doing assignment in the property setter.
static bool IsForwarding(StringRef Name)
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.
ObjCIvarDecl * getPropertyIvarDecl() const
static void emitStructSetterCall(CodeGenFunction &CGF, ObjCMethodDecl *OMD, ObjCIvarDecl *ivar)
emitStructSetterCall - Call the runtime function to store the value from the first formal parameter i...
void SetInternalFunctionAttributes(const Decl *D, llvm::Function *F, const CGFunctionInfo &FI)
Set the attributes on the LLVM function for the given decl and function info.
static CGCallee forDirect(llvm::Constant *functionPtr, const CGCalleeInfo &abstractInfo=CGCalleeInfo())
virtual void EmitThrowStmt(CodeGen::CodeGenFunction &CGF, const ObjCAtThrowStmt &S, bool ClearInsertionPoint=true)=0
TranslationUnitDecl * getTranslationUnitDecl() const
llvm::Constant * objc_retain
id objc_retain(id);
ObjCDictionaryLiteral - AST node to represent objective-c dictionary literals; as in:"name" : NSUserN...
DeclContext * getDeclContext()
ASTContext & getContext() const
llvm::BasicBlock * getBlock() const
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)
ImplicitParamDecl * getSelfDecl() const
void add(RValue rvalue, QualType type, bool needscopy=false)
virtual void EmitTryStmt(CodeGen::CodeGenFunction &CGF, const ObjCAtTryStmt &S)=0
llvm::Value * EmitARCAutorelease(llvm::Value *value)
Autorelease the given object.
void EmitStoreOfScalar(llvm::Value *Value, Address Addr, bool Volatile, QualType Ty, LValueBaseInfo BaseInfo=LValueBaseInfo(AlignmentSource::Type), llvm::MDNode *TBAAInfo=nullptr, bool isInit=false, QualType TBAABaseTy=QualType(), uint64_t TBAAOffset=0, bool isNontemporal=false)
EmitStoreOfScalar - Store a scalar value to an address, taking care to appropriately convert from the...
Selector getSelector() const
llvm::LLVMContext & getLLVMContext()
unsigned getNumElements() const
getNumElements - Return number of elements of objective-c array literal.
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)
getExpr - Return the Expr at the specified index.
bool isInstanceMethod() const
clang::ObjCRuntime ObjCRuntime
virtual llvm::Constant * GetPropertyGetFunction()=0
Return the runtime function for getting properties.
QualType getObjCIdType() const
Represents the Objective-CC id type.
ReturnStmt - This represents a return, optionally of an expression: return; return 4;...
LValue MakeNaturalAlignAddrLValue(llvm::Value *V, QualType T)
An expression that sends a message to the given Objective-C object or class.
UnaryOperator - This represents the unary-expression's (except sizeof and alignof), the postinc/postdec operators from postfix-expression, and various extensions.
ARCPreciseLifetime_t isARCPreciseLifetime() const
static AggValueSlot forAddr(Address addr, Qualifiers quals, IsDestructed_t isDestructed, NeedsGCBarriers_t needsGC, IsAliased_t isAliased, IsZeroed_t isZeroed=IsNotZeroed)
forAddr - Make a slot for an aggregate value.
GlobalDecl - represents a global declaration.
static llvm::Value * emitARCStoreOperation(CodeGenFunction &CGF, Address addr, llvm::Value *value, llvm::Constant *&fn, StringRef fnName, bool ignored)
Perform an operation having the following signature: i8* (i8**, i8*)
param_const_iterator param_end() const
virtual void EmitSynchronizedStmt(CodeGen::CodeGenFunction &CGF, const ObjCAtSynchronizedStmt &S)=0
The l-value was considered opaque, so the alignment was determined from a type.
bool isClassMethod() const
ArrayRef< ParmVarDecl * > parameters() const
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="")
CharUnits getTypeAlignInChars(QualType T) const
Return the ABI-specified alignment of a (complete) type T, in characters.
SelectorTable & Selectors
Assigning into this object requires the old value to be released and the new value to be retained...
llvm::Constant * objc_storeWeak
id objc_storeWeak(id*, id);
PseudoObjectExpr - An expression which accesses a pseudo-object l-value.
static llvm::Value * emitARCUnsafeUnretainedScalarExpr(CodeGenFunction &CGF, const Expr *e)
ASTContext & getContext() const
Encodes a location in the source.
CharUnits getPointerAlign() const
llvm::Value * EmitObjCArrayLiteral(const ObjCArrayLiteral *E)
void EmitARCIntrinsicUse(ArrayRef< llvm::Value * > values)
Given a number of pointers, inform the optimizer that they're being intrinsically used up until this ...
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.
void EmitObjCForCollectionStmt(const ObjCForCollectionStmt &S)
llvm::Value * EmitARCUnsafeClaimAutoreleasedReturnValue(llvm::Value *value)
Claim a possibly-autoreleased return value at +0.
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.
DeclStmt - Adaptor class for mixing declarations with statements and expressions. ...
Stmt * getBody() const override
Retrieve the body of this method, if it has one.
QualType withConst() const
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.
virtual llvm::Value * EmitNSAutoreleasePoolClassRef(CodeGenFunction &CGF)
llvm::Constant * CreateBuiltinFunction(llvm::FunctionType *Ty, StringRef Name, llvm::AttributeList ExtraAttrs=llvm::AttributeList())
Create a new compiler builtin function with the specified type and name.
const ObjCInterfaceDecl * getClassInterface() 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...
const CodeGenOptions & getCodeGenOpts() 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.
const LangOptions & getLangOpts() const
Represents one property declaration in an Objective-C interface.
ImplicitCastExpr - Allows us to explicitly represent implicit type conversions, which have no direct ...
SourceLocation getBegin() const
QualType getReturnType() const
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...
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.
bool isVolatileQualified() const
Determine whether this type is volatile-qualified.
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 enterFullExpression(const ExprWithCleanups *E)
static Destroyer destroyARCStrongImprecise
void FinishFunction(SourceLocation EndLoc=SourceLocation())
FinishFunction - Complete IR generation of the current function.
Expr * Value
The value of the dictionary element.
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()
bool isStr(const char(&Str)[StrLen]) const
Return true if this is the identifier for the specified string.
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);
bool hasEmptyCollections() const
Are the empty collection symbols available?
static llvm::Value * emitARCValueOperation(CodeGenFunction &CGF, llvm::Value *value, llvm::Constant *&fn, StringRef fnName, bool isTailCall=false)
Perform an operation having the signature i8* (i8*) where a null input causes a no-op and returns nul...
void GenerateObjCGetter(ObjCImplementationDecl *IMP, const ObjCPropertyImplDecl *PID)
GenerateObjCGetter - Synthesize an Objective-C property getter function.
bool isZero() const
isZero - Test whether the quantity equals zero.
unsigned char PointerAlignInBytes
void EmitObjCAutoreleasePoolPop(llvm::Value *Ptr)
Produce the code to do a primitive release.
const internal::VariadicAllOfMatcher< Type > type
Matches Types in the clang AST.
The basic abstraction for the target Objective-C runtime.
llvm::Value * getScalarVal() const
getScalarVal() - Return the Value* of this scalar value.
llvm::Value * EmitARCLoadWeakRetained(Address addr)
i8* @objc_loadWeakRetained(i8** addr)
Address CreateStructGEP(Address Addr, unsigned Index, CharUnits Offset, const llvm::Twine &Name="")
llvm::LoadInst * CreateAlignedLoad(llvm::Value *Addr, CharUnits Align, const llvm::Twine &Name="")
llvm::LoadInst * CreateLoad(Address Addr, const llvm::Twine &Name="")
QualType getPointerType(QualType T) const
Return the uniqued reference to the type for a pointer to the specified type.
llvm::Constant * objc_destroyWeak
void objc_destroyWeak(id*);
U cast(CodeGen::Address addr)
llvm::Constant * clang_arc_use
void clang.arc.use(...);
QualType TypeOfSelfObject()
TypeOfSelfObject - Return type of object that this self represents.
const llvm::Triple & getTriple() const
Returns the target triple of the primary target.
Selector getSelector() const
Checking the destination of a store. Must be suitably sized and aligned.
ObjCMethodDecl * getArrayWithObjectsMethod() const
detail::InMemoryDirectory::const_iterator E
void EmitAggregateCopy(Address DestPtr, Address SrcPtr, QualType EltTy, bool isVolatile=false, bool isAssignment=false)
EmitAggregateCopy - Emit an aggregate copy.
llvm::StoreInst * CreateStore(llvm::Value *Val, Address Addr, bool IsVolatile=false)
semantics_iterator semantics_begin()
llvm::Constant * GenerateObjCAtomicGetterCopyHelperFunction(const ObjCPropertyImplDecl *PID)
CanQualType getCanonicalType(QualType T) const
Return the canonical (structural) type corresponding to the specified potentially non-canonical type ...
static bool hasTrivialSetExpr(const ObjCPropertyImplDecl *PID)
void EmitObjCAtThrowStmt(const ObjCAtThrowStmt &S)
virtual StringRef getARCRetainAutoreleasedReturnValueMarker() const
Retrieve the address of a function to call immediately before calling objc_retainAutoreleasedReturnVa...
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. ...
ObjCMethodDecl * getDictWithObjectsMethod() const
QualType getPointeeType() const
Gets the type pointed to by this ObjC pointer.
QualType getNonReferenceType() const
If Type is a reference type (e.g., const int&), returns the type that the reference refers to ("const...
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...
ObjCMethodDecl * getGetterMethodDecl() const
llvm::PointerType * getType() const
Return the type of the pointer value.
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...
const T * getAs() const
Member-template getAs<specific type>'.
QualType getCanonicalType() const
const Stmt * getSubStmt() const
Represents Objective-C's collection statement.
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.
static void emitARCCopyOperation(CodeGenFunction &CGF, Address dst, Address src, llvm::Constant *&fn, StringRef fnName)
Perform an operation having the following signature: void (i8**, i8**)
ObjCMethodDecl * getSetterMethodDecl() const
Selector getSelector(unsigned NumArgs, IdentifierInfo **IIV)
Can create any sort of selector.
This class organizes the cross-module state that is used while lowering AST types to LLVM types...
llvm::PointerType * Int8PtrTy
LValue EmitLValueForIvar(QualType ObjectTy, llvm::Value *Base, const ObjCIvarDecl *Ivar, unsigned CVRQualifiers)
llvm::Constant * objc_retainAutorelease
id objc_retainAutorelease(id);
llvm::Value * EmitIvarOffset(const ObjCInterfaceDecl *Interface, const ObjCIvarDecl *Ivar)
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)
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?
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.
virtual llvm::Value * GetClass(CodeGenFunction &CGF, const ObjCInterfaceDecl *OID)=0
GetClass - Return a reference to the class for the given interface decl.
bool hasNonTrivialObjCLifetime() const
ObjCPropertyDecl * getPropertyDecl() const
Reading or writing from this object requires a barrier call.
bool hasAtomicCopyHelper() const
void EmitLexicalBlockStart(CGBuilderTy &Builder, SourceLocation Loc)
Emit metadata to indicate the beginning of a new lexical block and push the block onto the stack...
llvm::iterator_range< arg_iterator > arguments()
A non-RAII class containing all the information about a bound opaque value.
bool isARCPseudoStrong() const
Determine whether this variable is an ARC pseudo-__strong variable.
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)
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 MakeAddrLValue(Address Addr, QualType T, LValueBaseInfo BaseInfo=LValueBaseInfo(AlignmentSource::Type))
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.
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]).
void StartObjCMethod(const ObjCMethodDecl *MD, const ObjCContainerDecl *CD)
StartObjCMethod - Begin emission of an ObjCMethod.
llvm::Constant * IsOSVersionAtLeastFn
SourceLocation getRBracLoc() const
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)
A reference to a declared variable, function, enum, etc.
static RValue get(llvm::Value *V)
const llvm::Triple & getTriple() const
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...
static const Expr * findWeakLValue(const Expr *E)
Given an expression of ObjC pointer type, check whether it was immediately loaded from an ARC __weak ...
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.
Qualifiers::GC getObjCGCAttrKind(QualType Ty) const
Return one of the GCNone, Weak or Strong Objective-C garbage collection attributes.
An l-value expression is a reference to an object with independent storage.
int64_t toBits(CharUnits CharSize) const
Convert a size in characters to a size in bits.
CodeGenTypes & getTypes() const
A trivial tuple used to represent a source range.
SourceLocation getLocation() const
void EmitObjCAtTryStmt(const ObjCAtTryStmt &S)
LValue - This represents an lvalue references.
An abstract representation of regular/ObjC call/message targets.
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.
static llvm::Value * emitARCLoadOperation(CodeGenFunction &CGF, Address addr, llvm::Constant *&fn, StringRef fnName)
Perform an operation having the following signature: i8* (i8**)
llvm::PointerIntPair< llvm::Value *, 1, bool > TryEmitResult
bool isConstQualified() const
Determine whether this type is const-qualified.
The receiver is a superclass.
const ObjCObjectPointerType * getAsObjCInterfacePointerType() const
llvm::Constant * objc_retainAutoreleaseReturnValue
id objc_retainAutoreleaseReturnValue(id);
void EmitObjCAutoreleasePoolStmt(const ObjCAutoreleasePoolStmt &S)
SourceLocation getLocStart() const LLVM_READONLY
CallArgList - Type for representing both the value and type of arguments in a call.
Address CreateMemTemp(QualType T, const Twine &Name="tmp", bool CastToDefaultAddrSpace=true)
CreateMemTemp - Create a temporary memory object of the given type, with appropriate alignment...
ReceiverKind getReceiverKind() const
Determine the kind of receiver that this message is being sent to.
Represents Objective-C's @autoreleasepool Statement.
unsigned getNumElements() const
getNumElements - Return number of elements of objective-c dictionary literal.
bool hasPointerRepresentation() const
Whether this type is represented natively as a pointer.
void EmitNullInitialization(Address DestPtr, QualType Ty)
EmitNullInitialization - Generate code to set a value of the given type to null, If the type contains...
RValue EmitCall(const CGFunctionInfo &CallInfo, const CGCallee &Callee, ReturnValueSlot ReturnValue, const CallArgList &Args, llvm::Instruction **callOrInvoke=nullptr)
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.
bool hasLocalStorage() const
hasLocalStorage - Returns true if a variable with function scope is a non-static local variable...
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...
llvm::Value * EmitObjCSelectorExpr(const ObjCSelectorExpr *E)
Emit a selector.
void Destroyer(CodeGenFunction &CGF, Address addr, QualType ty)
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.