24 #include "llvm/ADT/STLExtras.h" 25 #include "llvm/IR/DataLayout.h" 26 #include "llvm/IR/InlineAsm.h" 27 using namespace clang;
28 using namespace CodeGen;
41 return llvm::ConstantPointerNull::get(cast<llvm::PointerType>(type));
70 assert(BoxingMethod->
isClassMethod() &&
"BoxingMethod must be a class method");
87 if (ValueType->isObjCBoxableRecordType()) {
112 Args, ClassDecl, BoxingMethod);
123 DLE = cast<ObjCDictionaryLiteral>(E);
126 uint64_t NumElements =
129 StringRef ConstantName = ALE ?
"__NSArray0__" :
"__NSDictionary0__";
131 llvm::Constant *Constant =
135 cast<llvm::LoadInst>(Ptr)->setMetadata(
158 bool TrackNeededObjects =
163 for (uint64_t
i = 0;
i < NumElements;
i++) {
172 if (TrackNeededObjects) {
173 NeededObjects.push_back(value);
189 if (TrackNeededObjects) {
190 NeededObjects.push_back(keyValue);
191 NeededObjects.push_back(valueValue);
226 Receiver, Args, Class, MethodWithObjects);
232 if (TrackNeededObjects) {
293 if (
auto opaque = dyn_cast<OpaqueValueExpr>(receiver)) {
294 if (opaque->getSourceExpr())
299 if (!ice || ice->
getCastKind() != CK_LValueToRValue)
return true;
303 if (
auto opaque = dyn_cast<OpaqueValueExpr>(receiver)) {
304 if (opaque->getSourceExpr())
313 if (isa<MemberExpr>(receiver) || isa<ObjCIvarRefExpr>(receiver))
318 if (!declRef)
return true;
320 if (!var)
return true;
325 !var->
hasAttr<ObjCPreciseLifetimeAttr>());
338 llvm_unreachable(
"invalid receiver kind");
346 if (
auto CE = dyn_cast<CastExpr>(E)) {
347 if (CE->getCastKind() == CK_LValueToRValue) {
349 return CE->getSubExpr();
375 bool isClassMessage) {
383 if (isClassMessage &&
384 Runtime.shouldUseRuntimeFunctionsForAlloc() &&
393 Args.size() == 1 && Args.front().getType()->isPointerType() &&
395 const llvm::Value* arg = Args.front().getKnownRValue().getScalarVal();
396 if (isa<llvm::ConstantPointerNull>(arg))
407 Runtime.shouldUseARCFunctionsForRetainRelease())
414 Runtime.shouldUseARCFunctionsForRetainRelease())
421 Runtime.shouldUseARCFunctionsForRetainRelease()) {
439 if (!Runtime.shouldUseRuntimeFunctionForCombinedAllocInit())
455 Selector SubSel = SubOME->getSelector();
459 const Expr *SelfInClassMethod =
nullptr;
460 if (
const auto *CurMD = dyn_cast_or_null<ObjCMethodDecl>(CGF.
CurFuncDecl))
461 if (CurMD->isClassMethod())
462 if ((SelfInClassMethod = SubOME->getInstanceReceiver()))
464 SelfInClassMethod =
nullptr;
467 !SelfInClassMethod) || !SubOME->getType()->isObjCObjectPointerType() ||
472 if (SelfInClassMethod) {
475 QualType ReceiverType = SubOME->getClassReceiver();
478 assert(ID &&
"null interface should be impossible here");
516 method->
hasAttr<NSConsumesSelfAttr>());
519 bool isSuperMessage =
false;
520 bool isClassMessage =
false;
528 if (
auto *OMD = dyn_cast_or_null<ObjCMethodDecl>(
CurFuncDecl))
529 if (OMD->isClassMethod())
531 isClassMessage =
true;
535 Receiver = ter.getPointer();
536 if (ter.getInt()) retainSelf =
false;
544 assert(ObjTy &&
"Invalid Objective-C class message send");
546 assert(OID &&
"Invalid Objective-C class message send");
547 Receiver = Runtime.
GetClass(*
this, OID);
548 isClassMessage =
true;
555 isSuperMessage =
true;
561 isSuperMessage =
true;
562 isClassMessage =
true;
573 method->
hasAttr<ObjCReturnsInnerPointerAttr>() &&
589 if (isDelegateInit) {
591 "delegate init calls should only be marked in ARC");
600 if (isSuperMessage) {
603 bool isCategoryImpl = isa<ObjCCategoryImplDecl>(OMD->
getDeclContext());
618 result =
RValue::get(SpecializedResult.getValue());
628 if (isDelegateInit) {
651 if (!iface->getSuperClass())
return;
653 bool isCategory = isa<ObjCCategoryImplDecl>(impl);
680 if (OMD->
hasAttr<NoDebugAttr>())
705 if (ident->
isStr(
"dealloc"))
718 assert(isa<CompoundStmt>(OMD->
getBody()));
727 bool isAtomic,
bool hasStrong) {
767 llvm::Triple::ArchType arch) {
777 class PropertyImplStrategy {
789 SetPropertyAndExpressionGet,
799 StrategyKind
getKind()
const {
return StrategyKind(
Kind); }
801 bool hasStrongMember()
const {
return HasStrong; }
802 bool isAtomic()
const {
return IsAtomic; }
803 bool isCopy()
const {
return IsCopy; }
805 CharUnits getIvarSize()
const {
return IvarSize; }
806 CharUnits getIvarAlignment()
const {
return IvarAlignment; }
813 unsigned IsAtomic : 1;
815 unsigned HasStrong : 1;
835 std::tie(IvarSize, IvarAlignment) =
841 Kind = GetSetProperty;
854 }
else if (CGM.
getLangOpts().ObjCAutoRefCount && !IsAtomic) {
864 Kind = SetPropertyAndExpressionGet;
870 }
else if (!IsAtomic) {
871 Kind = SetPropertyAndExpressionGet;
876 Kind = GetSetProperty;
907 HasStrong =
recordType->getDecl()->hasObjectMember();
922 if (!IvarSize.isPowerOfTwo()) {
927 llvm::Triple::ArchType arch =
955 llvm::Constant *AtomicHelperFn =
959 assert(OMD &&
"Invalid call to generate getter (empty method)");
969 if (!getter)
return true;
982 return (construct->getConstructor()->isTrivial());
986 assert(isa<ExprWithCleanups>(getter));
995 llvm::Constant *AtomicHelperFn) {
1013 llvm::FunctionCallee copyCppAtomicObjectFn =
1025 llvm::Constant *AtomicHelperFn) {
1028 if (!AtomicHelperFn) {
1037 ivar, AtomicHelperFn);
1049 PropertyImplStrategy strategy(CGM, propImpl);
1050 switch (strategy.getKind()) {
1051 case PropertyImplStrategy::Native: {
1053 if (strategy.getIvarSize().isZero())
1062 bitcastType = bitcastType->getPointerTo();
1068 load->setAtomic(llvm::AtomicOrdering::Unordered);
1074 uint64_t retTySize = CGM.
getDataLayout().getTypeSizeInBits(retTy);
1076 if (ivarSize > retTySize) {
1078 ivarVal =
Builder.CreateTrunc(load, newTy);
1079 bitcastType = newTy->getPointerTo();
1089 case PropertyImplStrategy::GetSetProperty: {
1090 llvm::FunctionCallee getPropertyFn =
1092 if (!getPropertyFn) {
1116 llvm::CallBase *CallInstruction;
1120 if (llvm::CallInst *call = dyn_cast<llvm::CallInst>(CallInstruction))
1121 call->setTailCall();
1130 EmitReturnOfRValue(RV, propType);
1138 case PropertyImplStrategy::CopyStruct:
1140 strategy.hasStrongMember());
1143 case PropertyImplStrategy::Expression:
1144 case PropertyImplStrategy::SetPropertyAndExpressionGet: {
1191 llvm_unreachable(
"bad evaluation kind");
1195 llvm_unreachable(
"bad @property implementation strategy!");
1247 llvm::Constant *AtomicHelperFn) {
1271 llvm::FunctionCallee fn =
1282 if (!setter)
return true;
1292 if (
CallExpr *call = dyn_cast<CallExpr>(setter)) {
1294 = dyn_cast_or_null<FunctionDecl>(call->getCalleeDecl()))
1295 if (callee->isTrivial())
1300 assert(isa<ExprWithCleanups>(setter));
1313 llvm::Constant *AtomicHelperFn) {
1321 if (!AtomicHelperFn)
1331 PropertyImplStrategy strategy(CGM, propImpl);
1332 switch (strategy.getKind()) {
1333 case PropertyImplStrategy::Native: {
1335 if (strategy.getIvarSize().isZero())
1342 Address ivarAddr = ivarLValue.getAddress();
1348 getContext().toBits(strategy.getIvarSize()));
1359 store->setAtomic(llvm::AtomicOrdering::Unordered);
1363 case PropertyImplStrategy::GetSetProperty:
1364 case PropertyImplStrategy::SetPropertyAndExpressionGet: {
1366 llvm::FunctionCallee setOptimizedPropertyFn =
nullptr;
1367 llvm::FunctionCallee setPropertyFn =
nullptr;
1370 setOptimizedPropertyFn =
1372 strategy.isAtomic(), strategy.isCopy());
1373 if (!setOptimizedPropertyFn) {
1380 if (!setPropertyFn) {
1401 if (setOptimizedPropertyFn) {
1424 case PropertyImplStrategy::CopyStruct:
1428 case PropertyImplStrategy::Expression:
1437 selfDecl->
getType(), CK_LValueToRValue, &
self,
1441 &selfLoad,
true,
true);
1444 QualType argType = argDecl->getType().getNonReferenceType();
1455 if (ivarRef.getType()->isObjCObjectPointerType()) {
1456 if (argLoad.getType()->isObjCObjectPointerType())
1458 else if (argLoad.getType()->isBlockPointerType())
1459 argCK = CK_BlockPointerToObjCPointerCast;
1461 argCK = CK_CPointerToObjCPointerCast;
1462 }
else if (ivarRef.getType()->isBlockPointerType()) {
1463 if (argLoad.getType()->isBlockPointerType())
1466 argCK = CK_AnyPointerToBlockPointerCast;
1467 }
else if (ivarRef.getType()->isPointerType()) {
1471 ivarRef.getType(), argCK, &argLoad,
1473 Expr *finalArg = &argLoad;
1476 finalArg = &argCast;
1491 llvm::Constant *AtomicHelperFn =
1495 assert(OMD &&
"Invalid call to generate setter (empty method)");
1509 bool useEHCleanupForArray;
1513 bool useEHCleanupForArray)
1514 : addr(addr), ivar(ivar), destroyer(destroyer),
1515 useEHCleanupForArray(useEHCleanupForArray) {}
1521 flags.isForNormalCleanup() && useEHCleanupForArray);
1547 if (!dtorKind)
continue;
1563 CGF.
EHStack.pushCleanup<DestroyIvar>(cleanupKind,
self, ivar, destroyer,
1581 for (
const auto *IvarInit : IMP->
inits()) {
1582 FieldDecl *Field = IvarInit->getAnyMember();
1623 llvm::FunctionCallee EnumerationMutationFnPtr =
1625 if (!EnumerationMutationFnPtr) {
1651 static const unsigned NumItems = 16;
1664 llvm::APInt(32, NumItems),
1700 llvm::Constant *Count = llvm::ConstantInt::get(NSUIntegerTy, NumItems);
1707 FastEnumSel, Collection, Args);
1722 Builder.CreateICmpEQ(initialBufferLimit, zero,
"iszero"), EmptyBB,
1732 Address StateMutationsPtrPtr =
1739 "forcoll.initial-mutations");
1747 llvm::PHINode *index =
Builder.CreatePHI(NSUIntegerTy, 3,
"forcoll.index");
1748 index->addIncoming(zero, LoopInitBB);
1751 llvm::PHINode *count =
Builder.CreatePHI(NSUIntegerTy, 3,
"forcoll.count");
1752 count->addIncoming(initialBufferLimit, LoopInitBB);
1765 llvm::BasicBlock *WasNotMutatedBB =
createBasicBlock(
"forcoll.notmutated");
1767 Builder.CreateCondBr(
Builder.CreateICmpEQ(currentMutations, initialMutations),
1768 WasNotMutatedBB, WasMutatedBB);
1788 bool elementIsVariable;
1795 const VarDecl *D = cast<VarDecl>(SD->getSingleDecl());
1800 elementIsVariable =
true;
1805 elementLValue =
LValue();
1806 elementType = cast<Expr>(S.
getElement())->getType();
1807 elementIsVariable =
false;
1821 Builder.CreateGEP(EnumStateItems, index,
"currentitem.ptr");
1831 if (!elementIsVariable) {
1841 if (elementIsVariable)
1845 BreakContinueStack.push_back(BreakContinue(LoopEnd, AfterBody));
1850 BreakContinueStack.pop_back();
1862 Builder.CreateAdd(index, llvm::ConstantInt::get(NSUIntegerTy, 1));
1869 Builder.CreateICmpULT(indexPlusOne, count), LoopBodyBB, FetchMoreBB,
1872 index->addIncoming(indexPlusOne, AfterBody.getBlock());
1873 count->addIncoming(count, AfterBody.getBlock());
1881 FastEnumSel, Collection, Args);
1887 index->addIncoming(zero,
Builder.GetInsertBlock());
1888 count->addIncoming(refetchCount,
Builder.GetInsertBlock());
1891 EmptyBB, LoopBodyBB);
1896 if (!elementIsVariable) {
1899 llvm::Value *null = llvm::Constant::getNullValue(convertedElementType);
1926 CallObjCRelease(
llvm::Value *
object) : object(
object) {}
1956 fn = CGM.
getIntrinsic(llvm::Intrinsic::objc_clang_arc_use);
1964 if (
auto *F = dyn_cast<llvm::Function>(RTF)) {
1970 F->setLinkage(llvm::Function::ExternalWeakLinkage);
1976 llvm::FunctionCallee RTF) {
1986 llvm::CallInst::TailCallKind tailKind = llvm::CallInst::TCK_None) {
1987 if (isa<llvm::ConstantPointerNull>(value))
1996 llvm::Type *origType = returnType ? returnType : value->getType();
2001 call->setTailCallKind(tailKind);
2010 llvm::Function *&fn,
2035 llvm::Function *&fn,
2053 if (ignored)
return nullptr;
2061 llvm::Function *&fn,
2083 llvm::FunctionCallee &fn,
2085 if (isa<llvm::ConstantPointerNull>(value))
2089 llvm::FunctionType *fnType =
2094 if (llvm::Function *f = dyn_cast<llvm::Function>(fn.getCallee()))
2095 if (fnName ==
"objc_retain")
2096 f->addFnAttr(llvm::Attribute::NonLazyBind);
2100 llvm::Type *origType = returnType ? returnType : value->getType();
2125 llvm::Intrinsic::objc_retain);
2139 llvm::Intrinsic::objc_retainBlock);
2145 if (!mandatory && isa<llvm::Instruction>(result)) {
2146 llvm::CallInst *call
2147 = cast<llvm::CallInst>(result->stripPointerCasts());
2150 call->setMetadata(
"clang.arc.copy_on_escape",
2151 llvm::MDNode::get(
Builder.getContext(), None));
2160 llvm::InlineAsm *&marker
2168 if (assembly.empty()) {
2173 llvm::FunctionType *type =
2174 llvm::FunctionType::get(CGF.
VoidTy,
false);
2176 marker = llvm::InlineAsm::get(type, assembly,
"",
true);
2182 const char *markerKey =
"clang.arc.retainAutoreleasedReturnValueMarker";
2203 llvm::CallInst::TailCallKind tailKind =
2206 ? llvm::CallInst::TCK_NoTail
2207 : llvm::CallInst::TCK_None;
2209 *
this, value,
nullptr,
2211 llvm::Intrinsic::objc_retainAutoreleasedReturnValue, tailKind);
2226 llvm::Intrinsic::objc_unsafeClaimAutoreleasedReturnValue);
2233 if (isa<llvm::ConstantPointerNull>(value))
return;
2248 call->setMetadata(
"clang.imprecise_release",
2249 llvm::MDNode::get(
Builder.getContext(), None));
2283 fn = CGM.
getIntrinsic(llvm::Intrinsic::objc_storeStrong);
2293 if (ignored)
return nullptr;
2338 llvm::Intrinsic::objc_autorelease);
2347 llvm::Intrinsic::objc_autoreleaseReturnValue,
2348 llvm::CallInst::TCK_Tail);
2357 llvm::Intrinsic::objc_retainAutoreleaseReturnValue,
2358 llvm::CallInst::TCK_Tail);
2371 if (isa<llvm::ConstantPointerNull>(value))
return value;
2386 llvm::Intrinsic::objc_retainAutorelease);
2394 llvm::Intrinsic::objc_loadWeak);
2401 llvm::Intrinsic::objc_loadWeakRetained);
2411 llvm::Intrinsic::objc_storeWeak, ignored);
2423 if (isa<llvm::ConstantPointerNull>(value) &&
2431 llvm::Intrinsic::objc_initWeak,
true);
2439 fn = CGM.
getIntrinsic(llvm::Intrinsic::objc_destroyWeak);
2455 llvm::Intrinsic::objc_moveWeak);
2464 llvm::Intrinsic::objc_copyWeak);
2487 fn = CGM.
getIntrinsic(llvm::Intrinsic::objc_autoreleasePoolPush);
2501 llvm::FunctionCallee &fn =
2504 llvm::FunctionType *fnType =
2515 fn = CGM.
getIntrinsic(llvm::Intrinsic::objc_autoreleasePoolPop);
2538 AllocSel, Receiver, Args);
2547 InitSel, Receiver, Args);
2566 "objc_allocWithZone");
2615 *
this, value, returnType,
2617 "objc_autorelease");
2625 *
this, value, returnType,
2633 if (isa<llvm::ConstantPointerNull>(value))
return;
2635 llvm::FunctionCallee &fn =
2638 llvm::FunctionType *fnType =
2643 if (llvm::Function *f = dyn_cast<llvm::Function>(fn.getCallee()))
2644 f->addFnAttr(llvm::Attribute::NonLazyBind);
2654 call->setMetadata(
"clang.imprecise_release",
2655 llvm::MDNode::get(
Builder.getContext(), None));
2663 CallObjCAutoreleasePoolObject(
llvm::Value *token) : Token(token) {}
2672 CallObjCMRRAutoreleasePoolObject(
llvm::Value *token) : Token(token) {}
2699 llvm_unreachable(
"impossible lifetime!");
2746 isa<BinaryOperator>(e) &&
2747 cast<BinaryOperator>(e)->getOpcode() == BO_Assign)
2753 if (
const auto *decl_expr = dyn_cast<DeclRefExpr>(e)) {
2772 if (llvm::CallInst *call = dyn_cast<llvm::CallInst>(value)) {
2773 CGBuilderTy::InsertPoint ip = CGF.
Builder.saveIP();
2776 CGF.
Builder.SetInsertPoint(call->getParent(),
2777 ++llvm::BasicBlock::iterator(call));
2778 value = doAfterCall(CGF, value);
2782 }
else if (llvm::InvokeInst *invoke = dyn_cast<llvm::InvokeInst>(value)) {
2783 CGBuilderTy::InsertPoint ip = CGF.
Builder.saveIP();
2786 llvm::BasicBlock *BB = invoke->getNormalDest();
2787 CGF.
Builder.SetInsertPoint(BB, BB->begin());
2788 value = doAfterCall(CGF, value);
2795 }
else if (llvm::BitCastInst *bitcast = dyn_cast<llvm::BitCastInst>(value)) {
2798 bitcast->setOperand(0, operand);
2805 return doFallback(CGF, value);
2838 bool allowUnsafeClaim) {
2839 if (allowUnsafeClaim &&
2857 if (isa<BlockExpr>(e))
2861 switch (
cast->getCastKind()) {
2863 case CK_LValueToRValue:
2864 case CK_ARCReclaimReturnedObject:
2865 case CK_ARCConsumeObject:
2866 case CK_ARCProduceObject:
2875 case CK_AnyPointerToBlockPointerCast:
2887 template <
typename Impl,
typename Result>
class ARCExprEmitter {
2890 Impl &asImpl() {
return *
static_cast<Impl*
>(
this); }
2895 Result visit(
const Expr *e);
2896 Result visitCastExpr(
const CastExpr *e);
2898 Result visitBlockExpr(
const BlockExpr *e);
2922 template <
typename Impl,
typename Result>
2924 ARCExprEmitter<Impl,Result>::visitPseudoObjectExpr(
const PseudoObjectExpr *E) {
2934 const Expr *semantic = *
i;
2938 if (
const OpaqueValueExpr *ov = dyn_cast<OpaqueValueExpr>(semantic)) {
2944 if (ov == resultExpr) {
2945 assert(!OVMA::shouldBindAsLValue(ov));
2946 result = asImpl().visit(ov->getSourceExpr());
2947 opaqueData = OVMA::bind(CGF, ov,
2952 opaqueData = OVMA::bind(CGF, ov, ov->getSourceExpr());
2954 opaques.push_back(opaqueData);
2958 }
else if (semantic == resultExpr) {
2959 result = asImpl().visit(semantic);
2968 for (
unsigned i = 0, e = opaques.size();
i != e; ++
i)
2969 opaques[
i].unbind(CGF);
2974 template <
typename Impl,
typename Result>
2975 Result ARCExprEmitter<Impl, Result>::visitBlockExpr(
const BlockExpr *e) {
2977 return asImpl().visitExpr(e);
2980 template <
typename Impl,
typename Result>
2981 Result ARCExprEmitter<Impl,Result>::visitCastExpr(
const CastExpr *e) {
2989 case CK_CPointerToObjCPointerCast:
2990 case CK_BlockPointerToObjCPointerCast:
2991 case CK_AnyPointerToBlockPointerCast:
2996 return asImpl().emitBitCast(result, resultType);
3000 case CK_LValueToRValue:
3001 return asImpl().visitLValueToRValue(e->
getSubExpr());
3002 case CK_ARCConsumeObject:
3003 return asImpl().visitConsumeObject(e->
getSubExpr());
3004 case CK_ARCExtendBlockObject:
3005 return asImpl().visitExtendBlockObject(e->
getSubExpr());
3006 case CK_ARCReclaimReturnedObject:
3007 return asImpl().visitReclaimReturnedObject(e->
getSubExpr());
3011 return asImpl().visitExpr(e);
3015 template <
typename Impl,
typename Result>
3017 ARCExprEmitter<Impl,Result>::visitBinaryOperator(
const BinaryOperator *e) {
3022 return asImpl().visit(e->
getRHS());
3025 return asImpl().visitBinAssign(e);
3028 return asImpl().visitExpr(e);
3032 template <
typename Impl,
typename Result>
3033 Result ARCExprEmitter<Impl,Result>::visitBinAssign(
const BinaryOperator *e) {
3036 return asImpl().visitBinAssignUnsafeUnretained(e);
3039 return asImpl().visitBinAssignWeak(e);
3042 return asImpl().visitBinAssignAutoreleasing(e);
3045 return asImpl().visitBinAssignStrong(e);
3048 return asImpl().visitExpr(e);
3050 llvm_unreachable(
"bad ObjC ownership qualifier");
3055 template <
typename Impl,
typename Result>
3056 Result ARCExprEmitter<Impl,Result>::
3071 template <
typename Impl,
typename Result>
3073 ARCExprEmitter<Impl,Result>::visitBinAssignAutoreleasing(
const BinaryOperator *e) {
3074 return asImpl().visitExpr(e);
3077 template <
typename Impl,
typename Result>
3079 ARCExprEmitter<Impl,Result>::visitBinAssignWeak(
const BinaryOperator *e) {
3080 return asImpl().visitExpr(e);
3083 template <
typename Impl,
typename Result>
3085 ARCExprEmitter<Impl,Result>::visitBinAssignStrong(
const BinaryOperator *e) {
3086 return asImpl().visitExpr(e);
3090 template <
typename Impl,
typename Result>
3091 Result ARCExprEmitter<Impl,Result>::visit(
const Expr *e) {
3096 assert(!isa<ExprWithCleanups>(e));
3102 if (
const CastExpr *ce = dyn_cast<CastExpr>(e)) {
3103 return asImpl().visitCastExpr(ce);
3106 }
else if (
auto op = dyn_cast<BinaryOperator>(e)) {
3107 return asImpl().visitBinaryOperator(op);
3115 }
else if (isa<CallExpr>(e) ||
3116 (isa<ObjCMessageExpr>(e) &&
3117 !cast<ObjCMessageExpr>(e)->isDelegateInitCall())) {
3118 return asImpl().visitCall(e);
3121 }
else if (
const PseudoObjectExpr *pseudo = dyn_cast<PseudoObjectExpr>(e)) {
3122 return asImpl().visitPseudoObjectExpr(pseudo);
3123 }
else if (
auto *be = dyn_cast<BlockExpr>(e))
3124 return asImpl().visitBlockExpr(be);
3126 return asImpl().visitExpr(e);
3132 struct ARCRetainExprEmitter :
3133 public ARCExprEmitter<ARCRetainExprEmitter, TryEmitResult> {
3138 return result.getPointer();
3144 result.setPointer(value);
3164 result.setInt(
true);
3184 if (subresult.getInt()) {
3189 result = subresult.getPointer();
3223 return ARCRetainExprEmitter(CGF).visit(e);
3231 if (!result.getInt())
3250 if (!result.getInt())
3266 if (result.getInt())
3282 result = subresult.getPointer();
3283 doRetain = !subresult.getInt();
3310 struct ARCUnsafeUnretainedExprEmitter :
3311 public ARCExprEmitter<ARCUnsafeUnretainedExprEmitter, llvm::Value*> {
3313 ARCUnsafeUnretainedExprEmitter(
CodeGenFunction &CGF) : ARCExprEmitter(CGF) {}
3360 return ARCUnsafeUnretainedExprEmitter(CGF).visit(e);
3378 std::pair<LValue,llvm::Value*>
3394 return std::pair<LValue,llvm::Value*>(std::move(lvalue), value);
3397 std::pair<LValue,llvm::Value*>
3404 bool hasImmediateRetain = result.getInt();
3411 hasImmediateRetain =
true;
3417 if (hasImmediateRetain) {
3425 return std::pair<LValue,llvm::Value*>(lvalue, value);
3428 std::pair<LValue,llvm::Value*>
3435 return std::pair<LValue,llvm::Value*>(lvalue, value);
3457 for (
const auto *I : S.
body())
3468 llvm::FunctionType *extenderType
3470 llvm::InlineAsm *extender = llvm::InlineAsm::get(extenderType,
3495 llvm::Constant *HelperFn =
nullptr;
3513 ArgTys.push_back(DestTy);
3514 ArgTys.push_back(SrcTy);
3519 FunctionTy,
nullptr,
SC_Static,
false,
false);
3524 args.push_back(&DstDecl);
3527 args.push_back(&SrcDecl);
3534 llvm::Function *Fn =
3536 "__assign_helper_atomic_property_",
3553 Expr *Args[2] = { &DST, &SRC };
3562 HelperFn = llvm::ConstantExpr::getBitCast(Fn,
VoidPtrTy);
3579 llvm::Constant *HelperFn =
nullptr;
3597 ArgTys.push_back(DestTy);
3598 ArgTys.push_back(SrcTy);
3603 FunctionTy,
nullptr,
SC_Static,
false,
false);
3608 args.push_back(&DstDecl);
3611 args.push_back(&SrcDecl);
3636 ConstructorArgs.push_back(&SRC);
3637 ConstructorArgs.append(std::next(CXXConstExpr->arg_begin()),
3638 CXXConstExpr->arg_end());
3642 CXXConstExpr->getConstructor(),
3643 CXXConstExpr->isElidable(),
3645 CXXConstExpr->hadMultipleCandidates(),
3646 CXXConstExpr->isListInitialization(),
3647 CXXConstExpr->isStdInitListInitialization(),
3648 CXXConstExpr->requiresZeroInitialization(),
3649 CXXConstExpr->getConstructionKind(),
3667 HelperFn = llvm::ConstantExpr::getBitCast(Fn,
VoidPtrTy);
3691 Ty, AutoreleaseSelector,
3699 assert(Args.size() == 3 &&
"Expected 3 argument here!");
3702 llvm::FunctionType *FTy =
3711 return Builder.CreateICmpNE(CallRes, llvm::Constant::getNullValue(
Int32Ty));
3714 void CodeGenModule::emitAtAvailableLinkGuard() {
3715 if (!IsOSVersionAtLeastFn)
3725 llvm::Metadata *Args[2] = {llvm::MDString::get(Context,
"-framework"),
3726 llvm::MDString::get(Context,
"CoreFoundation")};
3727 LinkerOptionsMetadata.push_back(llvm::MDNode::get(Context, Args));
3730 llvm::FunctionType *FTy =
3732 llvm::FunctionCallee CFFunc =
3733 CreateRuntimeFunction(FTy,
"CFBundleGetVersionNumber");
3735 llvm::FunctionType *CheckFTy = llvm::FunctionType::get(
VoidTy, {},
false);
3736 llvm::FunctionCallee CFLinkCheckFuncRef = CreateRuntimeFunction(
3737 CheckFTy,
"__clang_at_available_requires_core_foundation_framework",
3738 llvm::AttributeList(),
true);
3739 llvm::Function *CFLinkCheckFunc =
3740 cast<llvm::Function>(CFLinkCheckFuncRef.getCallee()->stripPointerCasts());
3741 if (CFLinkCheckFunc->empty()) {
3742 CFLinkCheckFunc->setLinkage(llvm::GlobalValue::LinkOnceAnyLinkage);
3747 llvm::Constant::getNullValue(
VoidPtrTy));
3748 CGF.
Builder.CreateUnreachable();
3749 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)
Address CreateStructGEP(Address Addr, unsigned Index, const llvm::Twine &Name="")
SourceLocation getRBracLoc() const
Defines the clang::ASTContext interface.
const BlockDecl * getBlockDecl() const
llvm::Function * objc_retainAutoreleaseReturnValue
id objc_retainAutoreleaseReturnValue(id);
bool isClassMethod() const
llvm::FunctionCallee objc_releaseRuntimeFunction
void objc_release(id); Note this is the runtime method not the intrinsic.
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)
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, ConstexprSpecKind ConstexprKind=CSK_unspecified)
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.
llvm::Function * objc_copyWeak
void objc_copyWeak(id *dest, id *src);
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.
static llvm::Value * emitARCLoadOperation(CodeGenFunction &CGF, Address addr, llvm::Function *&fn, llvm::Intrinsic::ID IntID)
Perform an operation having the following signature: i8* (i8**)
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.
static void setARCRuntimeFunctionLinkage(CodeGenModule &CGM, llvm::Value *RTF)
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...
virtual llvm::FunctionCallee GetGetStructFunction()=0
const Decl * CurCodeDecl
CurCodeDecl - This is the inner-most code context, which includes blocks.
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.
static llvm::Value * emitARCStoreOperation(CodeGenFunction &CGF, Address addr, llvm::Value *value, llvm::Function *&fn, llvm::Intrinsic::ID IntID, bool ignored)
Perform an operation having the following signature: i8* (i8**, i8*)
QualType withConst() const
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. ...
static llvm::Value * emitObjCValueOperation(CodeGenFunction &CGF, llvm::Value *value, llvm::Type *returnType, llvm::FunctionCallee &fn, StringRef fnName)
Perform an operation having the signature i8* (i8*) where a null input causes a no-op and returns nul...
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.
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.
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
llvm::Function * objc_retainAutorelease
id objc_retainAutorelease(id);
const AstTypeMatcher< RecordType > recordType
Matches record types (e.g.
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()
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::Value * EmitObjCExtendObjectLifetime(QualType T, llvm::Value *Ptr)
bool hasOptimizedSetter() const
Does this runtime supports optimized setter entrypoints?
llvm::Function * objc_initWeak
id objc_initWeak(id*, id);
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
llvm::FunctionCallee objc_autoreleaseRuntimeFunction
id objc_autorelease(id); Note this is the runtime method not the intrinsic.
StringLiteral * getString()
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)
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
llvm::FunctionCallee objc_alloc_init
void objc_alloc_init(id);
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::Function * objc_release
void objc_release(id);
llvm::Value * EmitObjCAutorelease(llvm::Value *value, llvm::Type *returnType)
Autorelease the given object.
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.
static void emitARCCopyOperation(CodeGenFunction &CGF, Address dst, Address src, llvm::Function *&fn, llvm::Intrinsic::ID IntID)
Perform an operation having the following signature: void (i8**, i8**)
Qualifiers::GC getObjCGCAttrKind(QualType Ty) const
Return one of the GCNone, Weak or Strong Objective-C garbage collection attributes.
llvm::CallInst * EmitRuntimeCall(llvm::FunctionCallee callee, const Twine &name="")
static Optional< llvm::Value * > tryEmitSpecializedAllocInit(CodeGenFunction &CGF, const ObjCMessageExpr *OME)
Instead of '[[MyClass alloc] init]', try to generate 'objc_alloc_init(MyClass)'.
SourceLocation getLBracLoc() const
PropertyAttributeKind getPropertyAttributes() const
llvm::PointerType * VoidPtrTy
semantics_iterator semantics_end()
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.
virtual bool shouldSuppressTailCallsOfRetainAutoreleasedReturnValue() const
Determine whether a call to objc_retainAutoreleasedReturnValue should be marked as 'notail'...
llvm::Value * EmitARCLoadWeak(Address addr)
i8* @objc_loadWeak(i8** addr) Essentially objc_autorelease(objc_loadWeakRetained(addr)).
Expr * IgnoreParenCasts() LLVM_READONLY
Skip past any parentheses and casts which might surround this expression until reaching a fixed point...
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::Value * EmitObjCAllocInit(llvm::Value *value, llvm::Type *resultType)
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
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.
llvm::Function * objc_moveWeak
void objc_moveWeak(id *dest, id *src);
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.
llvm::Value * EmitARCRetainAutoreleaseNonBlock(llvm::Value *value)
Do a fused retain/autorelease of the given object.
bool isObjCSelfExpr() const
Check if this expression is the ObjC 'self' implicit parameter.
This object can be modified without requiring retains or releases.
ObjCMethodDecl * getDictWithObjectsMethod() const
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())
static llvm::Value * emitARCValueOperation(CodeGenFunction &CGF, llvm::Value *value, llvm::Type *returnType, llvm::Function *&fn, llvm::Intrinsic::ID IntID, llvm::CallInst::TailCallKind tailKind=llvm::CallInst::TCK_None)
Perform an operation having the signature i8* (i8*) where a null input causes a no-op and returns nul...
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::Function * objc_unsafeClaimAutoreleasedReturnValue
id objc_unsafeClaimAutoreleasedReturnValue(id);
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::Function * objc_retainAutoreleasedReturnValue
id objc_retainAutoreleasedReturnValue(id);
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...
AggValueSlot::Overlap_t getOverlapForReturnValue()
Determine whether a return value slot may overlap some other object.
CleanupKind getARCCleanupKind()
Retrieves the default cleanup kind for an ARC cleanup.
static AutoVarEmission invalid()
SourceLocation getEndLoc() const LLVM_READONLY
bool canAvoidCopyToHeap() const
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.
virtual llvm::FunctionCallee GetPropertyGetFunction()=0
Return the runtime function for getting properties.
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
void EmitARCMoveWeak(Address dst, Address src)
void @objc_moveWeak(i8** dest, i8** src) Disregards the current value in dest.
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...
virtual llvm::FunctionCallee GetCppAtomicObjectGetFunction()=0
API for atomic copying of qualified aggregates with non-trivial copy assignment (c++) in getter...
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
BlockExpr - Adaptor class for mixing a BlockDecl with expressions.
llvm::FunctionCallee objc_alloc
void objc_alloc(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()
virtual llvm::FunctionCallee GetPropertySetFunction()=0
Return the runtime function for setting properties.
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...
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.
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="")
llvm::Function * objc_loadWeakRetained
id objc_loadWeakRetained(id*);
SelectorTable & Selectors
Assigning into this object requires the old value to be released and the new value to be retained...
QualType getCanonicalType() const
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.
llvm::FunctionCallee objc_autoreleasePoolPop
void objc_autoreleasePoolPop(void*);
bool isExpressibleAsConstantInitializer() const
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)
llvm::Function * clang_arc_use
void clang.arc.use(...);
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...
virtual llvm::FunctionCallee GetSetStructFunction()=0
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...
CastKind getCastKind() const
RValue EmitCall(const CGFunctionInfo &CallInfo, const CGCallee &Callee, ReturnValueSlot ReturnValue, const CallArgList &Args, llvm::CallBase **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.
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. ...
Address CreateConstArrayGEP(Address Addr, uint64_t Index, const llvm::Twine &Name="")
Given addr = [n x T]* ...
Stmt * getBody() const override
Retrieve the body of this method, if it has one.
virtual llvm::FunctionCallee EnumerationMutationFunction()=0
EnumerationMutationFunction - Return the function that's called by the compiler when a mutation is de...
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)
llvm::Function * objc_destroyWeak
void objc_destroyWeak(id*);
ObjCEntrypoints & getObjCEntrypoints() const
llvm::Function * objc_storeWeak
id objc_storeWeak(id*, id);
llvm::FunctionCallee objc_retainRuntimeFunction
id objc_retain(id); Note this is the runtime method not the intrinsic.
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
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.
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.
llvm::CallBase * EmitCallOrInvoke(llvm::FunctionCallee Callee, ArrayRef< llvm::Value *> Args, const Twine &Name="")
Emits a call or invoke instruction to the given function, depending on the current state of the EH st...
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.
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)
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="")
bool isKeywordSelector() const
U cast(CodeGen::Address addr)
virtual llvm::FunctionCallee GetOptimizedPropertySetFunction(bool atomic, bool copy)=0
Return the runtime function for optimized setting properties.
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.
llvm::FunctionCallee objc_autoreleasePoolPopInvoke
void objc_autoreleasePoolPop(void*); Note this method is used when we are using exception handling ...
unsigned getNumElements() const
getNumElements - Return number of elements of objective-c array literal.
Represents Objective-C's collection statement.
CodeGenTypes & getTypes() const
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)
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.
llvm::Function * objc_autoreleaseReturnValue
id objc_autoreleaseReturnValue(id);
Internal linkage, which indicates that the entity can be referred to from within the translation unit...
llvm::FunctionCallee CreateRuntimeFunction(llvm::FunctionType *Ty, StringRef Name, llvm::AttributeList ExtraAttrs=llvm::AttributeList(), bool Local=false)
Create or return a runtime function declaration with the specified type and name. ...
void EmitBlock(llvm::BasicBlock *BB, bool IsFinished=false)
EmitBlock - Emit the given block.
void setAtomicSetterHelperFnMap(QualType Ty, llvm::Constant *Fn)
llvm::Function * objc_autorelease
id objc_autorelease(id);
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::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.
llvm::FunctionCallee objc_allocWithZone
void objc_allocWithZone(id);
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::Function * objc_storeStrong
void objc_storeStrong(id*, id);
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::Function * objc_loadWeak
id objc_loadWeak(id*);
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 * tryEmitAbstract(const Expr *E, QualType T)
Try to emit the result of the given expression as an abstract constant.
bool hasARCUnsafeClaimAutoreleasedReturnValue() const
Is objc_unsafeClaimAutoreleasedReturnValue available?
static Decl::Kind getKind(const Decl *D)
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?
llvm::Function * objc_retain
id objc_retain(id);
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
llvm::Function * objc_autoreleasePoolPush
void *objc_autoreleasePoolPush(void);
static const Expr * findWeakLValue(const Expr *E)
Given an expression of ObjC pointer type, check whether it was immediately loaded from an ARC __weak ...
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
llvm::CallInst * EmitNounwindRuntimeCall(llvm::FunctionCallee callee, const Twine &name="")
The receiver is a superclass.
virtual llvm::FunctionCallee GetCppAtomicObjectSetFunction()=0
API for atomic copying of qualified aggregates with non-trivial copy assignment (c++) in setter...
void EmitObjCAutoreleasePoolStmt(const ObjCAutoreleasePoolStmt &S)
llvm::CallBase * EmitRuntimeCallOrInvoke(llvm::FunctionCallee callee, ArrayRef< llvm::Value *> args, const Twine &name="")
Emits a call or invoke instruction to the given runtime function.
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.
llvm::Function * objc_retainBlock
id objc_retainBlock(id);
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
Skip past any parentheses which might surround this expression until reaching a fixed point...
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::FunctionCallee IsOSVersionAtLeastFn
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