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;
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));
852 llvm::Constant *AtomicHelperFn) {
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);
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) {
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) {
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) {
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;
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();
1473 llvm::Constant *EnumerationMutationFnPtr =
1475 if (!EnumerationMutationFnPtr) {
1501 static const unsigned NumItems = 16;
1514 llvm::APInt(32, NumItems),
1550 llvm::Constant *Count = llvm::ConstantInt::get(NSUIntegerTy, NumItems);
1557 FastEnumSel, Collection, Args);
1565 llvm::Value *zero = llvm::Constant::getNullValue(NSUIntegerTy);
1572 Builder.CreateICmpEQ(initialBufferLimit, zero,
"iszero"), EmptyBB,
1589 "forcoll.initial-mutations");
1597 llvm::PHINode *index =
Builder.CreatePHI(NSUIntegerTy, 3,
"forcoll.index");
1598 index->addIncoming(zero, LoopInitBB);
1601 llvm::PHINode *count =
Builder.CreatePHI(NSUIntegerTy, 3,
"forcoll.count");
1602 count->addIncoming(initialBufferLimit, LoopInitBB);
1615 llvm::BasicBlock *WasNotMutatedBB =
createBasicBlock(
"forcoll.notmutated");
1617 Builder.CreateCondBr(
Builder.CreateICmpEQ(currentMutations, initialMutations),
1618 WasNotMutatedBB, WasMutatedBB);
1638 bool elementIsVariable;
1645 const VarDecl* D = cast<VarDecl>(SD->getSingleDecl());
1650 elementIsVariable =
true;
1655 elementLValue =
LValue();
1656 elementType = cast<Expr>(S.
getElement())->getType();
1657 elementIsVariable =
false;
1671 Builder.CreateGEP(EnumStateItems, index,
"currentitem.ptr");
1681 if (!elementIsVariable) {
1691 if (elementIsVariable)
1695 BreakContinueStack.push_back(BreakContinue(LoopEnd, AfterBody));
1700 BreakContinueStack.pop_back();
1712 Builder.CreateAdd(index, llvm::ConstantInt::get(NSUIntegerTy, 1));
1719 Builder.CreateICmpULT(indexPlusOne, count), LoopBodyBB, FetchMoreBB,
1722 index->addIncoming(indexPlusOne, AfterBody.getBlock());
1723 count->addIncoming(count, AfterBody.getBlock());
1731 FastEnumSel, Collection, Args);
1737 index->addIncoming(zero,
Builder.GetInsertBlock());
1738 count->addIncoming(refetchCount,
Builder.GetInsertBlock());
1741 EmptyBB, LoopBodyBB);
1746 if (!elementIsVariable) {
1749 llvm::Value *null = llvm::Constant::getNullValue(convertedElementType);
1776 CallObjCRelease(
llvm::Value *
object) : object(
object) {}
1806 llvm::FunctionType *fnType =
1807 llvm::FunctionType::get(CGM.
VoidTy, None,
true);
1818 return llvm::StringSwitch<bool>(Name)
1819 .Cases(
"objc_autoreleaseReturnValue",
1821 "objc_retainAutoreleaseReturnValue",
1822 "objc_retainAutoreleasedReturnValue",
1823 "objc_retainAutorelease",
1824 "objc_retainedObject",
1826 "objc_unretainedObject",
1827 "objc_unretainedPointer",
1828 "objc_unsafeClaimAutoreleasedReturnValue",
1834 llvm::FunctionType *FTy,
1838 if (
auto *F = dyn_cast<llvm::Function>(RTF)) {
1844 F->setLinkage(llvm::Function::ExternalWeakLinkage);
1845 }
else if (Name ==
"objc_retain" || Name ==
"objc_release") {
1848 F->addFnAttr(llvm::Attribute::NonLazyBind);
1852 F->arg_begin()->addAttr(llvm::Attribute::Returned);
1863 llvm::Constant *&fn,
1865 bool isTailCall =
false) {
1866 if (isa<llvm::ConstantPointerNull>(value))
1870 llvm::FunctionType *fnType =
1882 call->setTailCall();
1892 llvm::Constant *&fn,
1895 llvm::FunctionType *fnType =
1919 llvm::Constant *&fn,
1927 llvm::FunctionType *fnType
1928 = llvm::FunctionType::get(CGF.
Int8PtrTy, argTypes,
false);
1940 if (ignored)
return nullptr;
1950 llvm::Constant *&fn,
1957 llvm::FunctionType *fnType
1958 = llvm::FunctionType::get(CGF.
Builder.getVoidTy(), argTypes,
false);
1998 "objc_retainBlock");
2004 if (!mandatory && isa<llvm::Instruction>(result)) {
2005 llvm::CallInst *call
2006 = cast<llvm::CallInst>(result->stripPointerCasts());
2009 call->setMetadata(
"clang.arc.copy_on_escape",
2010 llvm::MDNode::get(
Builder.getContext(), None));
2019 llvm::InlineAsm *&marker
2027 if (assembly.empty()) {
2032 llvm::FunctionType *type =
2033 llvm::FunctionType::get(CGF.
VoidTy,
false);
2035 marker = llvm::InlineAsm::get(type, assembly,
"",
true);
2041 llvm::NamedMDNode *metadata =
2043 "clang.arc.retainAutoreleasedReturnValueMarker");
2044 assert(metadata->getNumOperands() <= 1);
2045 if (metadata->getNumOperands() == 0) {
2047 metadata->addOperand(llvm::MDNode::get(ctx,
2048 llvm::MDString::get(ctx, assembly)));
2055 CGF.
Builder.CreateCall(marker);
2068 "objc_retainAutoreleasedReturnValue");
2083 "objc_unsafeClaimAutoreleasedReturnValue");
2090 if (isa<llvm::ConstantPointerNull>(value))
return;
2094 llvm::FunctionType *fnType =
2106 call->setMetadata(
"clang.imprecise_release",
2107 llvm::MDNode::get(
Builder.getContext(), None));
2142 llvm::FunctionType *fnType
2143 = llvm::FunctionType::get(
Builder.getVoidTy(), argTypes,
false);
2153 if (ignored)
return nullptr;
2198 "objc_autorelease");
2207 "objc_autoreleaseReturnValue",
2217 "objc_retainAutoreleaseReturnValue",
2231 if (isa<llvm::ConstantPointerNull>(value))
return value;
2246 "objc_retainAutorelease");
2261 "objc_loadWeakRetained");
2271 "objc_storeWeak", ignored);
2283 if (isa<llvm::ConstantPointerNull>(value) &&
2291 "objc_initWeak",
true);
2299 llvm::FunctionType *fnType =
2333 llvm::FunctionType *fnType =
2334 llvm::FunctionType::get(
Int8PtrTy,
false);
2348 llvm::FunctionType *fnType =
2375 AllocSel, Receiver, Args);
2384 InitSel, Receiver, Args);
2426 CallObjCAutoreleasePoolObject(
llvm::Value *token) : Token(token) {}
2435 CallObjCMRRAutoreleasePoolObject(
llvm::Value *token) : Token(token) {}
2467 llvm_unreachable(
"impossible lifetime!");
2500 isa<BinaryOperator>(e) &&
2501 cast<BinaryOperator>(e)->getOpcode() == BO_Assign)
2516 if (llvm::CallInst *call = dyn_cast<llvm::CallInst>(value)) {
2517 CGBuilderTy::InsertPoint ip = CGF.
Builder.saveIP();
2520 CGF.
Builder.SetInsertPoint(call->getParent(),
2521 ++llvm::BasicBlock::iterator(call));
2522 value = doAfterCall(CGF, value);
2526 }
else if (llvm::InvokeInst *invoke = dyn_cast<llvm::InvokeInst>(value)) {
2527 CGBuilderTy::InsertPoint ip = CGF.
Builder.saveIP();
2530 llvm::BasicBlock *BB = invoke->getNormalDest();
2531 CGF.
Builder.SetInsertPoint(BB, BB->begin());
2532 value = doAfterCall(CGF, value);
2539 }
else if (llvm::BitCastInst *bitcast = dyn_cast<llvm::BitCastInst>(value)) {
2542 bitcast->setOperand(0, operand);
2549 return doFallback(CGF, value);
2582 bool allowUnsafeClaim) {
2583 if (allowUnsafeClaim &&
2601 if (isa<BlockExpr>(e))
2605 switch (
cast->getCastKind()) {
2607 case CK_LValueToRValue:
2608 case CK_ARCReclaimReturnedObject:
2609 case CK_ARCConsumeObject:
2610 case CK_ARCProduceObject:
2619 case CK_AnyPointerToBlockPointerCast:
2631 template <
typename Impl,
typename Result>
class ARCExprEmitter {
2634 Impl &asImpl() {
return *
static_cast<Impl*
>(
this); }
2639 Result visit(
const Expr *e);
2640 Result visitCastExpr(
const CastExpr *e);
2665 template <
typename Impl,
typename Result>
2667 ARCExprEmitter<Impl,Result>::visitPseudoObjectExpr(
const PseudoObjectExpr *E) {
2677 const Expr *semantic = *i;
2681 if (
const OpaqueValueExpr *ov = dyn_cast<OpaqueValueExpr>(semantic)) {
2687 if (ov == resultExpr) {
2688 assert(!OVMA::shouldBindAsLValue(ov));
2689 result = asImpl().visit(ov->getSourceExpr());
2690 opaqueData = OVMA::bind(CGF, ov,
2695 opaqueData = OVMA::bind(CGF, ov, ov->getSourceExpr());
2697 opaques.push_back(opaqueData);
2701 }
else if (semantic == resultExpr) {
2702 result = asImpl().visit(semantic);
2711 for (
unsigned i = 0, e = opaques.size(); i != e; ++i)
2712 opaques[i].unbind(CGF);
2717 template <
typename Impl,
typename Result>
2718 Result ARCExprEmitter<Impl,Result>::visitCastExpr(
const CastExpr *e) {
2726 case CK_CPointerToObjCPointerCast:
2727 case CK_BlockPointerToObjCPointerCast:
2728 case CK_AnyPointerToBlockPointerCast:
2732 Result result = asImpl().visit(e->
getSubExpr());
2733 return asImpl().emitBitCast(result, resultType);
2737 case CK_LValueToRValue:
2738 return asImpl().visitLValueToRValue(e->
getSubExpr());
2739 case CK_ARCConsumeObject:
2740 return asImpl().visitConsumeObject(e->
getSubExpr());
2741 case CK_ARCExtendBlockObject:
2742 return asImpl().visitExtendBlockObject(e->
getSubExpr());
2743 case CK_ARCReclaimReturnedObject:
2744 return asImpl().visitReclaimReturnedObject(e->
getSubExpr());
2748 return asImpl().visitExpr(e);
2752 template <
typename Impl,
typename Result>
2754 ARCExprEmitter<Impl,Result>::visitBinaryOperator(
const BinaryOperator *e) {
2759 return asImpl().visit(e->
getRHS());
2762 return asImpl().visitBinAssign(e);
2765 return asImpl().visitExpr(e);
2769 template <
typename Impl,
typename Result>
2770 Result ARCExprEmitter<Impl,Result>::visitBinAssign(
const BinaryOperator *e) {
2773 return asImpl().visitBinAssignUnsafeUnretained(e);
2776 return asImpl().visitBinAssignWeak(e);
2779 return asImpl().visitBinAssignAutoreleasing(e);
2782 return asImpl().visitBinAssignStrong(e);
2785 return asImpl().visitExpr(e);
2787 llvm_unreachable(
"bad ObjC ownership qualifier");
2792 template <
typename Impl,
typename Result>
2793 Result ARCExprEmitter<Impl,Result>::
2797 Result result = asImpl().visit(e->
getRHS());
2808 template <
typename Impl,
typename Result>
2810 ARCExprEmitter<Impl,Result>::visitBinAssignAutoreleasing(
const BinaryOperator *e) {
2811 return asImpl().visitExpr(e);
2814 template <
typename Impl,
typename Result>
2816 ARCExprEmitter<Impl,Result>::visitBinAssignWeak(
const BinaryOperator *e) {
2817 return asImpl().visitExpr(e);
2820 template <
typename Impl,
typename Result>
2822 ARCExprEmitter<Impl,Result>::visitBinAssignStrong(
const BinaryOperator *e) {
2823 return asImpl().visitExpr(e);
2827 template <
typename Impl,
typename Result>
2828 Result ARCExprEmitter<Impl,Result>::visit(
const Expr *e) {
2833 assert(!isa<ExprWithCleanups>(e));
2839 if (
const CastExpr *ce = dyn_cast<CastExpr>(e)) {
2840 return asImpl().visitCastExpr(ce);
2843 }
else if (
auto op = dyn_cast<BinaryOperator>(e)) {
2844 return asImpl().visitBinaryOperator(op);
2852 }
else if (isa<CallExpr>(e) ||
2853 (isa<ObjCMessageExpr>(e) &&
2854 !cast<ObjCMessageExpr>(e)->isDelegateInitCall())) {
2855 return asImpl().visitCall(e);
2858 }
else if (
const PseudoObjectExpr *pseudo = dyn_cast<PseudoObjectExpr>(e)) {
2859 return asImpl().visitPseudoObjectExpr(pseudo);
2862 return asImpl().visitExpr(e);
2868 struct ARCRetainExprEmitter :
2869 public ARCExprEmitter<ARCRetainExprEmitter, TryEmitResult> {
2874 return result.getPointer();
2880 result.setPointer(value);
2911 if (subresult.getInt()) {
2916 result = subresult.getPointer();
2950 return ARCRetainExprEmitter(CGF).visit(e);
2958 if (!result.getInt())
2977 if (!result.getInt())
2993 if (result.getInt())
3009 result = subresult.getPointer();
3010 doRetain = !subresult.getInt();
3037 struct ARCUnsafeUnretainedExprEmitter :
3038 public ARCExprEmitter<ARCUnsafeUnretainedExprEmitter, llvm::Value*> {
3040 ARCUnsafeUnretainedExprEmitter(
CodeGenFunction &CGF) : ARCExprEmitter(CGF) {}
3087 return ARCUnsafeUnretainedExprEmitter(CGF).visit(e);
3105 std::pair<LValue,llvm::Value*>
3121 return std::pair<LValue,llvm::Value*>(std::move(lvalue), value);
3124 std::pair<LValue,llvm::Value*>
3131 bool hasImmediateRetain = result.getInt();
3138 hasImmediateRetain =
true;
3144 if (hasImmediateRetain) {
3152 return std::pair<LValue,llvm::Value*>(lvalue, value);
3155 std::pair<LValue,llvm::Value*>
3162 return std::pair<LValue,llvm::Value*>(lvalue, value);
3184 for (
const auto *I : S.
body())
3195 llvm::FunctionType *extenderType
3198 = llvm::InlineAsm::get(extenderType,
3223 llvm::Constant *HelperFn =
nullptr;
3249 args.push_back(&DstDecl);
3252 args.push_back(&SrcDecl);
3259 llvm::Function *Fn =
3261 "__assign_helper_atomic_property_",
3270 UnaryOperator DST(&DstExpr, UO_Deref, DestTy->getPointeeType(),
3278 Expr *Args[2] = { &DST, &SRC };
3281 Args, DestTy->getPointeeType(),
3287 HelperFn = llvm::ConstantExpr::getBitCast(Fn,
VoidPtrTy);
3304 llvm::Constant *HelperFn =
nullptr;
3332 args.push_back(&DstDecl);
3335 args.push_back(&SrcDecl);
3342 llvm::Function *Fn =
3344 "__copy_helper_atomic_property_", &CGM.
getModule());
3360 ConstructorArgs.push_back(&SRC);
3361 ConstructorArgs.append(std::next(CXXConstExpr->arg_begin()),
3362 CXXConstExpr->arg_end());
3366 CXXConstExpr->getConstructor(),
3367 CXXConstExpr->isElidable(),
3369 CXXConstExpr->hadMultipleCandidates(),
3370 CXXConstExpr->isListInitialization(),
3371 CXXConstExpr->isStdInitListInitialization(),
3372 CXXConstExpr->requiresZeroInitialization(),
3373 CXXConstExpr->getConstructionKind(),
3390 HelperFn = llvm::ConstantExpr::getBitCast(Fn,
VoidPtrTy);
3414 Ty, AutoreleaseSelector,
3422 assert(Args.size() == 3 &&
"Expected 3 argument here!");
3425 llvm::FunctionType *FTy =
3434 return Builder.CreateICmpNE(CallRes, llvm::Constant::getNullValue(
Int32Ty));
3437 void CodeGenModule::emitAtAvailableLinkGuard() {
3438 if (!IsOSVersionAtLeastFn)
3448 llvm::Metadata *Args[2] = {llvm::MDString::get(Context,
"-framework"),
3449 llvm::MDString::get(Context,
"CoreFoundation")};
3450 LinkerOptionsMetadata.push_back(llvm::MDNode::get(Context, Args));
3453 llvm::FunctionType *FTy =
3455 llvm::Constant *CFFunc =
3456 CreateRuntimeFunction(FTy,
"CFBundleGetVersionNumber");
3458 llvm::FunctionType *CheckFTy = llvm::FunctionType::get(
VoidTy, {},
false);
3459 llvm::Function *CFLinkCheckFunc = cast<llvm::Function>(CreateBuiltinFunction(
3460 CheckFTy,
"__clang_at_available_requires_core_foundation_framework"));
3461 CFLinkCheckFunc->setLinkage(llvm::GlobalValue::LinkOnceAnyLinkage);
3466 CGF.
Builder.CreateUnreachable();
3467 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
A call to an overloaded operator written using operator syntax.
The receiver is the instance of the superclass object.
ReturnValueSlot - Contains the address where the return value of a function can be stored...
const internal::VariadicAllOfMatcher< Type > type
Matches Types in the clang AST.
static bool UseOptimizedSetter(CodeGenModule &CGM)
SourceLocation getRBracLoc() const
Defines the clang::ASTContext interface.
bool isClassMethod() const
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.
The receiver is an object instance.
llvm::Value * EmitARCReclaimReturnedObject(const Expr *e, bool allowUnsafeClaim)
Other implicit parameter.
static llvm::Value * emitARCRetainCallResult(CodeGenFunction &CGF, const Expr *e)
Given that the given expression is some sort of call (which does not return retained), emit a retain following it.
ObjCDictionaryElement getKeyValueElement(unsigned Index) const
Smart pointer class that efficiently represents Objective-C method names.
QualType getObjCIdType() const
Represents the Objective-CC id type.
llvm::Value * EmitARCRetainAutoreleaseScalarExpr(const Expr *expr)
static bool hasTrivialGetExpr(const ObjCPropertyImplDecl *propImpl)
Destroyer * getDestroyer(QualType::DestructionKind destructionKind)
A (possibly-)qualified type.
bool isBlockPointerType() const
static bool hasUnalignedAtomics(llvm::Triple::ArchType arch)
Determine whether the given architecture supports unaligned atomic accesses.
void EmitExtendGCLifetime(llvm::Value *object)
EmitExtendGCLifetime - Given a pointer to an Objective-C object, make sure it survives garbage collec...
CodeGenTypes & getTypes()
const CodeGenOptions & getCodeGenOpts() const
Selector getSelector() const
llvm::Value * EmitARCExtendBlockObject(const Expr *expr)
ObjCInterfaceDecl * getClassInterface()
virtual llvm::Function * GenerateMethod(const ObjCMethodDecl *OMD, const ObjCContainerDecl *CD)=0
Generate a function preamble for a method with the specified types.
ObjCIvarDecl * getPropertyIvarDecl() const
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).
ObjCProtocolDecl * getProtocol() const
Stmt - This represents one statement.
virtual CodeGen::RValue GenerateMessageSend(CodeGen::CodeGenFunction &CGF, ReturnValueSlot ReturnSlot, QualType ResultType, Selector Sel, llvm::Value *Receiver, const CallArgList &CallArgs, const ObjCInterfaceDecl *Class=nullptr, const ObjCMethodDecl *Method=nullptr)=0
Generate an Objective-C message send operation.
void EmitLexicalBlockEnd(CGBuilderTy &Builder, SourceLocation Loc)
Emit metadata to indicate the end of a new lexical block and pop the current block.
QualType getPointeeType() const
If this is a pointer, ObjC object pointer, or block pointer, this returns the respective pointee...
const llvm::Triple & getTriple() const
Returns the target triple of the primary target.
bool requiresCleanups() const
Determine whether this scope requires any cleanups.
Implements runtime-specific code generation functions.
void addConst()
Add the const type qualifier to this QualType.
bool isRecordType() const
static RValue AdjustObjCObjectType(CodeGenFunction &CGF, QualType ET, RValue Result)
Adjust the type of an Objective-C object that doesn't match up due to type erasure at various points...
llvm::Constant * objc_autoreleaseReturnValue
id objc_autoreleaseReturnValue(id);
CharUnits getPointerSize() const
const Decl * CurCodeDecl
CurCodeDecl - This is the inner-most code context, which includes blocks.
QualType getNonReferenceType() const
If Type is a reference type (e.g., const int&), returns the type that the reference refers to ("const...
Expr * getSetterCXXAssignment() const
static Destroyer destroyARCStrongPrecise
Represents Objective-C's @throw statement.
void EmitStoreThroughLValue(RValue Src, LValue Dst, bool isInit=false)
EmitStoreThroughLValue - Store the specified rvalue into the specified lvalue, where both are guarant...
void GenerateObjCSetter(ObjCImplementationDecl *IMP, const ObjCPropertyImplDecl *PID)
GenerateObjCSetter - Synthesize an Objective-C property setter function for the given property...
Represents a call to a C++ constructor.
const ObjCObjectPointerType * getAsObjCInterfacePointerType() const
bool isZero() const
isZero - Test whether the quantity equals zero.
QualType withConst() const
llvm::Constant * objc_loadWeakRetained
id objc_loadWeakRetained(id*);
The l-value was an access to a declared entity or something equivalently strong, like the address of ...
void EmitARCCopyWeak(Address dst, Address src)
void @objc_copyWeak(i8** dest, i8** src) Disregards the current value in dest.
llvm::Value * EmitObjCMRRAutoreleasePoolPush()
Produce the code to do an MRR version objc_autoreleasepool_push.
Floating point control options.
llvm::Constant * GenerateObjCAtomicSetterCopyHelperFunction(const ObjCPropertyImplDecl *PID)
GenerateObjCAtomicSetterCopyHelperFunction - Given a c++ object type with non-trivial copy assignment...
llvm::Value * EmitARCRetainNonBlock(llvm::Value *value)
Retain the given object, with normal retain semantics.
static llvm::Value * emitARCRetainLoadOfScalar(CodeGenFunction &CGF, LValue lvalue, QualType type)
param_const_iterator param_end() const
void createImplicitParams(ASTContext &Context, const ObjCInterfaceDecl *ID)
createImplicitParams - Used to lazily create the self and cmd implict parameters. ...
llvm::function_ref< llvm::Value *(CodeGenFunction &CGF, llvm::Value *value)> ValueTransform
static Destroyer destroyARCWeak
Address GetAddrOfLocalVar(const VarDecl *VD)
GetAddrOfLocalVar - Return the address of a local variable.
RValue EmitCall(const CGFunctionInfo &CallInfo, const CGCallee &Callee, ReturnValueSlot ReturnValue, const CallArgList &Args, llvm::Instruction **callOrInvoke, SourceLocation Loc)
EmitCall - Generate a call of the given function, expecting the given result type, and using the given argument list which specifies both the LLVM arguments and the types they were derived from.
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.
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...
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.
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.
Represents an expression – generally a full-expression – that introduces cleanups to be run at the ...
ParmVarDecl - Represents a parameter to a function.
llvm::Value * EmitObjCDictionaryLiteral(const ObjCDictionaryLiteral *E)
The collection of all-type qualifiers we support.
virtual llvm::Constant * GetOptimizedPropertySetFunction(bool atomic, bool copy)=0
Return the runtime function for optimized setting properties.
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
const AstTypeMatcher< RecordType > recordType
Matches record types (e.g.
llvm::Constant * objc_autorelease
id objc_autorelease(id);
llvm::Constant * objc_copyWeak
void objc_copyWeak(id *dest, id *src);
llvm::Constant * getAtomicGetterHelperFnMap(QualType Ty)
One of these records is kept for each identifier that is lexed.
void emitDestroy(Address addr, QualType type, Destroyer *destroyer, bool useEHCleanupForArray)
emitDestroy - Immediately perform the destruction of the given object.
Address getAddress() const
bool isStr(const char(&Str)[StrLen]) const
Return true if this is the identifier for the specified string.
Expr * getGetterCXXConstructor() const
static void emitStructGetterCall(CodeGenFunction &CGF, ObjCIvarDecl *ivar, bool isAtomic, bool hasStrong)
emitStructGetterCall - Call the runtime function to load a property into the return value slot...
Represents a class type in Objective C.
CGDebugInfo * getDebugInfo()
llvm::Constant * objc_loadWeak
id objc_loadWeak(id*);
CodeGenFunction - This class organizes the per-function state that is used while generating LLVM code...
llvm::Type * ConvertType(QualType T)
ConvertType - Convert type T into a llvm::Type.
Holds long-lived AST nodes (such as types and decls) that can be referred to throughout the semantic ...
const ParmVarDecl *const * param_const_iterator
std::pair< LValue, llvm::Value * > EmitARCStoreAutoreleasing(const BinaryOperator *e)
llvm::Constant * objc_retainAutoreleasedReturnValue
id objc_retainAutoreleasedReturnValue(id);
llvm::Value * EmitObjCExtendObjectLifetime(QualType T, llvm::Value *Ptr)
bool hasOptimizedSetter() const
Does this runtime supports optimized setter entrypoints?
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)
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.
FieldDecl - An instance of this class is created by Sema::ActOnField to represent a member of a struc...
CharUnits getAlignment() const
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.
void GenerateObjCCtorDtorMethod(ObjCImplementationDecl *IMP, ObjCMethodDecl *MD, bool ctor)
virtual llvm::Constant * GetPropertySetFunction()=0
Return the runtime function for setting properties.
CleanupKind getCleanupKind(QualType::DestructionKind kind)
ObjCArrayLiteral - used for objective-c array containers; as in: @["Hello", NSApp, [NSNumber numberWithInt:42]];.
llvm::Value * EmitObjCBoxedExpr(const ObjCBoxedExpr *E)
EmitObjCBoxedExpr - This routine generates code to call the appropriate expression boxing method...
An r-value expression (a pr-value in the C++11 taxonomy) produces a temporary value.
Selector getSelector() const
void EmitStoreOfScalar(llvm::Value *Value, Address Addr, bool Volatile, QualType Ty, AlignmentSource Source=AlignmentSource::Type, bool isInit=false, bool isNontemporal=false)
EmitStoreOfScalar - Store a scalar value to an address, taking care to appropriately convert from the...
ComplexPairTy EmitLoadOfComplex(LValue src, SourceLocation loc)
EmitLoadOfComplex - Load a complex number from the specified l-value.
const Expr *const * const_semantics_iterator
bool isUnarySelector() const
virtual CodeGen::RValue GenerateMessageSendSuper(CodeGen::CodeGenFunction &CGF, ReturnValueSlot ReturnSlot, QualType ResultType, Selector Sel, const ObjCInterfaceDecl *Class, bool isCategoryImpl, llvm::Value *Self, bool IsClassMessage, const CallArgList &CallArgs, const ObjCMethodDecl *Method=nullptr)=0
Generate an Objective-C message send operation to the super class initiated in a method for Class and...
RValue EmitAnyExpr(const Expr *E, AggValueSlot aggSlot=AggValueSlot::ignored(), bool ignoreResult=false)
EmitAnyExpr - Emit code to compute the specified expression which can have any type.
ObjCMethodFamily getMethodFamily() const
Determines the family of this method.
llvm::Value * EmitARCStoreStrongCall(Address addr, llvm::Value *value, bool resultIgnored)
Store into a strong object.
ARCPreciseLifetime_t isARCPreciseLifetime() const
llvm::Constant * objc_initWeak
id objc_initWeak(id*, id);
llvm::Value * EmitObjCStringLiteral(const ObjCStringLiteral *E)
Emits an instance of NSConstantString representing the object.
bool isBitField() const
Determines whether this field is a bitfield.
Selector getNullarySelector(IdentifierInfo *ID)
ObjCContainerDecl - Represents a container for method declarations.
Address CreateElementBitCast(Address Addr, llvm::Type *Ty, const llvm::Twine &Name="")
Cast the element type of the given address to a different type, preserving information like the align...
CharUnits - This is an opaque type for sizes expressed in character units.
void EmitARCDestroyStrong(Address addr, ARCPreciseLifetime_t precise)
Destroy a __strong variable.
static llvm::Value * emitARCUnsafeClaimCallResult(CodeGenFunction &CGF, const Expr *e)
Given that the given expression is some sort of call (which does not return retained), perform an unsafeClaim following it.
Qualifiers::GC getObjCGCAttrKind(QualType Ty) const
Return one of the GCNone, Weak or Strong Objective-C garbage collection attributes.
SourceLocation getLBracLoc() const
PropertyAttributeKind getPropertyAttributes() const
llvm::PointerType * VoidPtrTy
semantics_iterator semantics_end()
llvm::Constant * objc_release
void objc_release(id);
A builtin binary operation expression such as "x + y" or "x <= y".
bool isVolatileQualified() const
Determine whether this type is volatile-qualified.
llvm::Value * EmitARCUnsafeUnretainedScalarExpr(const Expr *expr)
EmitARCUnsafeUnretainedScalarExpr - Semantically equivalent to immediately releasing the resut of Emi...
void setAtomicGetterHelperFnMap(QualType Ty, llvm::Constant *Fn)
Defines the Diagnostic-related interfaces.
llvm::Value * EmitARCLoadWeak(Address addr)
i8* @objc_loadWeak(i8** addr) Essentially objc_autorelease(objc_loadWeakRetained(addr)).
ObjCStringLiteral, used for Objective-C string literals i.e.
Scope - A scope is a transient data structure that is used while parsing the program.
llvm::BasicBlock * createBasicBlock(const Twine &name="", llvm::Function *parent=nullptr, llvm::BasicBlock *before=nullptr)
createBasicBlock - Create an LLVM basic block.
llvm::Value * EmitARCRetainScalarExpr(const Expr *expr)
EmitARCRetainScalarExpr - Semantically equivalent to EmitARCRetainObject(e->getType(), EmitScalarExpr(e)), but making a best-effort attempt to peephole expressions that naturally produce retained objects.
void EmitIgnoredExpr(const Expr *E)
EmitIgnoredExpr - Emit an expression in a context which ignores the result.
static bool shouldEmitSeparateBlockRetain(const Expr *e)
Determine whether it might be important to emit a separate objc_retain_block on the result of the giv...
Denotes a cleanup that should run when a scope is exited using normal control flow (falling off the e...
CastExpr - Base class for type casts, including both implicit casts (ImplicitCastExpr) and explicit c...
void ForceCleanup(std::initializer_list< llvm::Value **> ValuesToReload={})
Force the emission of cleanups now, instead of waiting until this object is destroyed.
llvm::Constant * CreateRuntimeVariable(llvm::Type *Ty, StringRef Name)
Create a new runtime global variable with the specified type and name.
Expr * Key
The key for the dictionary element.
ObjCMethodDecl * getArrayWithObjectsMethod() const
virtual llvm::Constant * GetGetStructFunction()=0
GlobalDecl CurGD
CurGD - The GlobalDecl for the current function being compiled.
CharUnits getPointerAlign() const
An ordinary object is located at an address in memory.
void incrementProfileCounter(const Stmt *S, llvm::Value *StepV=nullptr)
Increment the profiler's counter for the given statement by StepV.
uint64_t getCurrentProfileCount()
Get the profiler's current count.
Represents an ObjC class declaration.
SourceLocation getLocEnd() const LLVM_READONLY
QualType getReturnType() const
ObjCInterfaceDecl * getInterface() const
Gets the interface declaration for this object type, if the base type really is an interface...
static llvm::Constant * createARCRuntimeFunction(CodeGenModule &CGM, llvm::FunctionType *FTy, StringRef Name)
static TryEmitResult tryEmitARCRetainScalarExpr(CodeGenFunction &CGF, const Expr *e)
bool isAtomic() const
isAtomic - Return true if the property is atomic.
llvm::Value * EmitARCRetainAutoreleasedReturnValue(llvm::Value *value)
Retain the given object which is the result of a function call.
static FunctionDecl * Create(ASTContext &C, DeclContext *DC, SourceLocation StartLoc, SourceLocation NLoc, DeclarationName N, QualType T, TypeSourceInfo *TInfo, StorageClass SC, bool isInlineSpecified=false, bool hasWrittenPrototype=true, bool isConstexprSpecified=false)
llvm::Value * EmitARCRetainAutoreleaseNonBlock(llvm::Value *value)
Do a fused retain/autorelease of the given object.
This object can be modified without requiring retains or releases.
ObjCMethodDecl * getDictWithObjectsMethod() const
llvm::Constant * CreateRuntimeFunction(llvm::FunctionType *Ty, StringRef Name, llvm::AttributeList ExtraAttrs=llvm::AttributeList(), bool Local=false)
Create a new runtime function with the specified type and name.
llvm::Value * EmitLoadOfScalar(Address Addr, bool Volatile, QualType Ty, SourceLocation Loc, AlignmentSource Source=AlignmentSource::Type, bool isNontemporal=false)
EmitLoadOfScalar - Load a scalar value from an address, taking care to appropriately convert from the...
ObjCPropertyImplDecl - Represents implementation declaration of a property in a class or category imp...
RValue EmitObjCMessageExpr(const ObjCMessageExpr *E, ReturnValueSlot Return=ReturnValueSlot())
CompoundStmt - This represents a group of statements like { stmt stmt }.
AutoVarEmission EmitAutoVarAlloca(const VarDecl &var)
EmitAutoVarAlloca - Emit the alloca and debug information for a local variable.
std::pair< llvm::Value *, llvm::Value * > ComplexPairTy
ASTContext & getContext() const
llvm::CallInst * EmitNounwindRuntimeCall(llvm::Value *callee, const Twine &name="")
const TargetCodeGenInfo & getTargetCodeGenInfo()
void EmitAnyExprToMem(const Expr *E, Address Location, Qualifiers Quals, bool IsInitializer)
EmitAnyExprToMem - Emits the code necessary to evaluate an arbitrary expression into the given memory...
llvm::Constant * objc_storeStrong
void objc_storeStrong(id*, id);
CastKind
CastKind - The kind of operation required for a conversion.
RValue - This trivial value class is used to represent the result of an expression that is evaluated...
CleanupKind getARCCleanupKind()
Retrieves the default cleanup kind for an ARC cleanup.
static AutoVarEmission invalid()
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.
ValueDecl - Represent the declaration of a variable (in which case it is an lvalue) a function (in wh...
Expr - This represents one expression.
bool hasAtomicCopyHelper() const
llvm::Constant * objc_autoreleasePoolPop
void objc_autoreleasePoolPop(void*);
void EmitARCMoveWeak(Address dst, Address src)
void @objc_moveWeak(i8** dest, i8** src) Disregards the current value in dest.
virtual llvm::Constant * GetSetStructFunction()=0
void EmitAutoVarInit(const AutoVarEmission &emission)
bool hasLocalStorage() const
hasLocalStorage - 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...
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.
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.
llvm::BasicBlock * getBlock() const
static CGCallee forDirect(llvm::Constant *functionPtr, const CGCalleeInfo &abstractInfo=CGCalleeInfo())
bool isObjCRetainableType() const
virtual void EmitThrowStmt(CodeGen::CodeGenFunction &CGF, const ObjCAtThrowStmt &S, bool ClearInsertionPoint=true)=0
llvm::Constant * objc_retain
id objc_retain(id);
const Expr * getCallee() const
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.
ObjCDictionaryLiteral - AST node to represent objective-c dictionary literals; as in:"name" : NSUserN...
DeclContext * getDeclContext()
Represents Objective-C's @synchronized statement.
ObjCSelectorExpr used for @selector in Objective-C.
static CharUnits fromQuantity(QuantityType Quantity)
fromQuantity - Construct a CharUnits quantity from a raw integer type.
void generateObjCSetterBody(const ObjCImplementationDecl *classImpl, const ObjCPropertyImplDecl *propImpl, llvm::Constant *AtomicHelperFn)
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.
llvm::LLVMContext & getLLVMContext()
const CGFunctionInfo & arrangeBuiltinFunctionCall(QualType resultType, const CallArgList &args)
llvm::IntegerType * Int32Ty
virtual llvm::Value * GetSelector(CodeGenFunction &CGF, Selector Sel)=0
Get a selector for the specified name and type values.
Expr * getElement(unsigned Index)
getElement - Return the Element at the specified index.
clang::ObjCRuntime ObjCRuntime
QualType getConstantArrayType(QualType EltTy, const llvm::APInt &ArySize, ArrayType::ArraySizeModifier ASM, unsigned IndexTypeQuals) const
Return the unique reference to the type for a constant array of the specified element type...
virtual llvm::Constant * GetPropertyGetFunction()=0
Return the runtime function for getting properties.
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.
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
ReceiverKind getReceiverKind() const
Determine the kind of receiver that this message is being sent to.
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?
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*)
bool isConstQualified() const
Determine whether this type is const-qualified.
virtual void EmitSynchronizedStmt(CodeGen::CodeGenFunction &CGF, const ObjCAtSynchronizedStmt &S)=0
The l-value was considered opaque, so the alignment was determined from a type.
llvm::Constant * objc_retainBlock
id objc_retainBlock(id);
There is no lifetime qualification on this type.
OpaqueValueExpr - An expression referring to an opaque object of a fixed type and value class...
Address CreateBitCast(Address Addr, llvm::Type *Ty, const llvm::Twine &Name="")
SelectorTable & Selectors
Assigning into this object requires the old value to be released and the new value to be retained...
QualType getCanonicalType() const
llvm::Constant * objc_storeWeak
id objc_storeWeak(id*, id);
PseudoObjectExpr - An expression which accesses a pseudo-object l-value.
IdentifierInfo * getIdentifierInfoForSlot(unsigned argIndex) const
Retrieve the identifier at a given position in the selector.
static llvm::Value * emitARCUnsafeUnretainedScalarExpr(CodeGenFunction &CGF, const Expr *e)
Encodes a location in the source.
void EnsureInsertPoint()
EnsureInsertPoint - Ensure that an insertion point is defined so that emitted IR has a place to go...
llvm::Value * EmitObjCArrayLiteral(const ObjCArrayLiteral *E)
IdentifierInfo & get(StringRef Name)
Return the identifier token info for the specified named identifier.
static void emitCPPObjectAtomicGetterCall(CodeGenFunction &CGF, llvm::Value *returnAddr, ObjCIvarDecl *ivar, llvm::Constant *AtomicHelperFn)
emitCPPObjectAtomicGetterCall - Call the runtime function to copy the ivar into the resturn slot...
void EmitARCRelease(llvm::Value *value, ARCPreciseLifetime_t precise)
Release the given object.
LValue EmitDeclRefLValue(const DeclRefExpr *E)
std::pair< LValue, llvm::Value * > EmitARCStoreUnsafeUnretained(const BinaryOperator *e, bool ignored)
virtual ConstantAddress GenerateConstantString(const StringLiteral *)=0
Generate a constant string object.
LValue EmitCheckedLValue(const Expr *E, TypeCheckKind TCK)
Same as EmitLValue but additionally we generate checking code to guard against undefined behavior...
CastKind getCastKind() const
llvm::CallSite EmitRuntimeCallOrInvoke(llvm::Value *callee, ArrayRef< llvm::Value *> args, const Twine &name="")
Emits a call or invoke instruction to the given runtime function.
unsigned getNumElements() const
getNumElements - Return number of elements of objective-c dictionary literal.
void EmitObjCForCollectionStmt(const ObjCForCollectionStmt &S)
llvm::Value * EmitARCUnsafeClaimAutoreleasedReturnValue(llvm::Value *value)
Claim a possibly-autoreleased return value at +0.
DeclStmt - Adaptor class for mixing declarations with statements and expressions. ...
Stmt * getBody() const override
Retrieve the body of this method, if it has one.
llvm::Constant * objc_autoreleasePoolPush
void *objc_autoreleasePoolPush(void);
static TryEmitResult tryEmitARCRetainLoadOfScalar(CodeGenFunction &CGF, LValue lvalue, QualType type)
const CGFunctionInfo & arrangeObjCMethodDeclaration(const ObjCMethodDecl *MD)
Objective-C methods are C functions with some implicit parameters.
void EmitStmt(const Stmt *S, ArrayRef< const Attr *> Attrs=None)
EmitStmt - Emit the code for the statement.
virtual llvm::Value * EmitNSAutoreleasePoolClassRef(CodeGenFunction &CGF)
ObjCEntrypoints & getObjCEntrypoints() const
ObjCProtocolExpr used for protocol expression in Objective-C.
virtual llvm::Value * GenerateProtocolRef(CodeGenFunction &CGF, const ObjCProtocolDecl *OPD)=0
Emit the code to return the named protocol as an object, as in a @protocol expression.
llvm::InlineAsm * retainAutoreleasedReturnValueMarker
A void(void) inline asm to use to mark that the return value of a call will be immediately retain...
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...
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.
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)
bool hasSameUnqualifiedType(QualType T1, QualType T2) const
Determine whether the given types are equivalent after cvr-qualifiers have been removed.
static Destroyer destroyARCStrongImprecise
void FinishFunction(SourceLocation EndLoc=SourceLocation())
FinishFunction - Complete IR generation of the current function.
Expr * Value
The value of the dictionary element.
std::pair< CharUnits, CharUnits > getTypeInfoInChars(const Type *T) const
ConstantAddress GetAddrOfConstantCString(const std::string &Str, const char *GlobalName=nullptr)
Returns a pointer to a character array containing the literal and a terminating '\0' character...
void EmitObjCMRRAutoreleasePoolPop(llvm::Value *Ptr)
Produce the code to do a primitive release.
llvm::Value * EmitScalarExpr(const Expr *E, bool IgnoreResultAssign=false)
EmitScalarExpr - Emit the computation of the specified expression of LLVM scalar type, returning the result.
Expr * getInstanceReceiver()
Returns the object expression (receiver) for an instance message, or null for a message that is not a...
FunctionArgList - Type for representing both the decl and type of parameters to a function...
ObjCIvarDecl * getNextIvar()
llvm::Value * getScalarVal() const
getScalarVal() - Return the Value* of this scalar value.
Expr * getResultExpr()
Return the result-bearing expression, or null if there is none.
void EmitObjCAtSynchronizedStmt(const ObjCAtSynchronizedStmt &S)
void ErrorUnsupported(const Stmt *S, const char *Type)
Print out an error that codegen doesn't support the specified stmt yet.
CGFunctionInfo - Class to encapsulate the information about a function definition.
This class organizes the cross-function state that is used while generating LLVM code.
llvm::Constant * objc_unsafeClaimAutoreleasedReturnValue
id objc_unsafeClaimAutoreleasedReturnValue(id);
const ObjCInterfaceDecl * getClassInterface() const
Dataflow Directional Tag Classes.
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.
unsigned char PointerAlignInBytes
void EmitObjCAutoreleasePoolPop(llvm::Value *Ptr)
Produce the code to do a primitive release.
The basic abstraction for the target Objective-C runtime.
llvm::Value * EmitARCLoadWeakRetained(Address addr)
i8* @objc_loadWeakRetained(i8** addr)
Address CreateStructGEP(Address Addr, unsigned Index, CharUnits Offset, const llvm::Twine &Name="")
QualType getSuperType() const
Retrieve the type referred to by 'super'.
llvm::LoadInst * CreateAlignedLoad(llvm::Value *Addr, CharUnits Align, const llvm::Twine &Name="")
void EmitARCIntrinsicUse(ArrayRef< llvm::Value *> values)
Given a number of pointers, inform the optimizer that they're being intrinsically used up until this ...
llvm::Constant * getPointer() const
llvm::LoadInst * CreateLoad(Address Addr, const llvm::Twine &Name="")
llvm::Constant * objc_destroyWeak
void objc_destroyWeak(id*);
U cast(CodeGen::Address addr)
llvm::Constant * clang_arc_use
void clang.arc.use(...);
const ObjCObjectType * getObjectType() const
Gets the type pointed to by this ObjC pointer.
QualType TypeOfSelfObject()
TypeOfSelfObject - Return type of object that this self represents.
Checking the destination of a store. Must be suitably sized and aligned.
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)
llvm::Module & getModule() const
static bool hasTrivialSetExpr(const ObjCPropertyImplDecl *PID)
void EmitObjCAtThrowStmt(const ObjCAtThrowStmt &S)
LValue MakeAddrLValue(Address Addr, QualType T, AlignmentSource Source=AlignmentSource::Type)
static CharUnits getMaxAtomicAccessSize(CodeGenModule &CGM, llvm::Triple::ArchType arch)
Return the maximum size that permits atomic accesses for the given architecture.
void EmitAggExpr(const Expr *E, AggValueSlot AS)
EmitAggExpr - Emit the computation of the specified expression of aggregate type. ...
QualType getClassReceiver() const
Returns the type of a class message send, or NULL if the message is not a class message.
Represents a pointer to an Objective C object.
void EmitAutoVarCleanups(const AutoVarEmission &emission)
ObjCImplementationDecl - Represents a class definition - this is where method definitions are specifi...
A helper class that allows the use of isa/cast/dyncast to detect TagType objects of structs/unions/cl...
static llvm::Value * emitARCOperationAfterCall(CodeGenFunction &CGF, llvm::Value *value, ValueTransform doAfterCall, ValueTransform doFallback)
Insert code immediately after a call.
virtual llvm::Constant * EnumerationMutationFunction()=0
EnumerationMutationFunction - Return the function that's called by the compiler when a mutation is de...
unsigned getNumElements() const
getNumElements - Return number of elements of objective-c array literal.
Represents Objective-C's collection statement.
CodeGenTypes & getTypes() const
Address CreateConstArrayGEP(Address Addr, uint64_t Index, CharUnits EltSize, const llvm::Twine &Name="")
Given addr = [n x T]* ...
void EmitStoreOfComplex(ComplexPairTy V, LValue dest, bool isInit)
EmitStoreOfComplex - Store a complex number into the specified l-value.
static void emitARCCopyOperation(CodeGenFunction &CGF, Address dst, Address src, llvm::Constant *&fn, StringRef fnName)
Perform an operation having the following signature: void (i8**, i8**)
bool hasNonTrivialObjCLifetime() const
Selector getSelector(unsigned NumArgs, IdentifierInfo **IIV)
Can create any sort of selector.
llvm::Type * getElementType() const
Return the type of the values stored in this address.
This class organizes the cross-module state that is used while lowering AST types to LLVM types...
void getObjCEncodingForType(QualType T, std::string &S, const FieldDecl *Field=nullptr, QualType *NotEncodedT=nullptr) const
Emit the Objective-CC type encoding for the given type T into S.
llvm::PointerType * Int8PtrTy
const TargetInfo & Target
bool isDelegateInitCall() const
isDelegateInitCall - Answers whether this message send has been tagged as a "delegate init call"...
LValue EmitLValueForIvar(QualType ObjectTy, llvm::Value *Base, const ObjCIvarDecl *Ivar, unsigned CVRQualifiers)
llvm::Constant * objc_retainAutorelease
id objc_retainAutorelease(id);
param_const_iterator param_begin() const
llvm::Value * EmitIvarOffset(const ObjCInterfaceDecl *Interface, const ObjCIvarDecl *Ivar)
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?
uint64_t getTypeSize(QualType T) const
Return the size of the specified (complete) type T, in bits.
ObjCIvarRefExpr - A reference to an ObjC instance variable.
llvm::Constant * objc_moveWeak
void objc_moveWeak(id *dest, id *src);
llvm::ConstantInt * getSize(CharUnits numChars)
Emit the given number of characters as a value of type size_t.
const Decl * CurFuncDecl
CurFuncDecl - Holds the Decl for the current outermost non-closure context.
CanQualType getCanonicalType(QualType T) const
Return the canonical (structural) type corresponding to the specified potentially non-canonical type ...
virtual llvm::Value * GetClass(CodeGenFunction &CGF, const ObjCInterfaceDecl *OID)=0
GetClass - Return a reference to the class for the given interface decl.
Reading or writing from this object requires a barrier call.
void EmitLexicalBlockStart(CGBuilderTy &Builder, SourceLocation Loc)
Emit metadata to indicate the beginning of a new lexical block and push the block onto the stack...
int64_t toBits(CharUnits CharSize) const
Convert a size in characters to a size in bits.
TranslationUnitDecl * getTranslationUnitDecl() const
llvm::iterator_range< arg_iterator > arguments()
A non-RAII class containing all the information about a bound opaque value.
QualType getUnqualifiedType() const
Retrieve the unqualified variant of the given type, removing as little sugar as possible.
llvm::Value * EmitObjCCollectionLiteral(const Expr *E, const ObjCMethodDecl *MethodWithObjects)
void EmitReturnStmt(const ReturnStmt &S)
EmitReturnStmt - Note that due to GCC extensions, this can have an operand if the function returns vo...
llvm::Type * ConvertType(QualType T)
ObjCIvarDecl - Represents an ObjC instance variable.
static llvm::Constant * getNullForVariable(Address addr)
Given the address of a variable of pointer type, find the correct null to store into it...
LValue EmitLValue(const Expr *E)
EmitLValue - Emit code to compute a designator that specifies the location of the expression...
Address ReturnValue
ReturnValue - The temporary alloca to hold the return value.
QualType getPointerType(QualType T) const
Return the uniqued reference to the type for a pointer to the specified type.
ImplicitParamDecl * getCmdDecl() const
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
bool hasARCUnsafeClaimAutoreleasedReturnValue() const
Is objc_unsafeClaimAutoreleasedReturnValue available?
static Decl::Kind getKind(const Decl *D)
virtual llvm::Constant * GetCppAtomicObjectSetFunction()=0
API for atomic copying of qualified aggregates with non-trivial copy assignment (c++) in setter...
QualType getObjCFastEnumerationStateType()
Retrieve the record type that describes the state of an Objective-C fast enumeration loop (for...
void EmitObjCAutoreleasePoolCleanup(llvm::Value *Ptr)
bool hasNativeARC() const
Does this runtime natively provide the ARC entrypoints?
A reference to a declared variable, function, enum, etc.
static RValue get(llvm::Value *V)
ObjCPropertyDecl * getPropertyDecl() const
static const Expr * findWeakLValue(const Expr *E)
Given an expression of ObjC pointer type, check whether it was immediately loaded from an ARC __weak ...
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.
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
const LangOptions & getLangOpts() const
The receiver is a superclass.
llvm::Constant * objc_retainAutoreleaseReturnValue
id objc_retainAutoreleaseReturnValue(id);
void EmitObjCAutoreleasePoolStmt(const ObjCAutoreleasePoolStmt &S)
SourceLocation getLocStart() const LLVM_READONLY
SourceLocation getBegin() const
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...
Represents Objective-C's @autoreleasepool Statement.
llvm::Value * getPointer() const
SourceLocation getBodyRBrace() const
getBodyRBrace - Gets the right brace of the body, if a body exists.
SourceLocation getLocation() const
void EmitNullInitialization(Address DestPtr, QualType Ty)
EmitNullInitialization - Generate code to set a value of the given type to null, If the type contains...
llvm::Value * EmitBuiltinAvailable(ArrayRef< llvm::Value *> Args)
ArrayRef< ParmVarDecl * > parameters() const
Expr * IgnoreParens() LLVM_READONLY
IgnoreParens - Ignore parentheses.
static void emitCPPObjectAtomicSetterCall(CodeGenFunction &CGF, ObjCMethodDecl *OMD, ObjCIvarDecl *ivar, llvm::Constant *AtomicHelperFn)
emitCPPObjectAtomicSetterCall - Call the runtime function to store the value from the first formal pa...
static OMPLinearClause * Create(const ASTContext &C, SourceLocation StartLoc, SourceLocation LParenLoc, OpenMPLinearClauseKind Modifier, SourceLocation ModifierLoc, SourceLocation ColonLoc, SourceLocation EndLoc, ArrayRef< Expr *> VL, ArrayRef< Expr *> PL, ArrayRef< Expr *> IL, Expr *Step, Expr *CalcStep, Stmt *PreInit, Expr *PostUpdate)
Creates clause with a list of variables VL and a linear step Step.
llvm::Value * EmitObjCSelectorExpr(const ObjCSelectorExpr *E)
Emit a selector.
CanQualType getSizeType() const
Return the unique type for "size_t" (C99 7.17), defined in <stddef.h>.
void Destroyer(CodeGenFunction &CGF, Address addr, QualType ty)
Qualifiers::ObjCLifetime getObjCLifetime() const
Returns lifetime attribute of this type.
static void emitCXXDestructMethod(CodeGenFunction &CGF, ObjCImplementationDecl *impl)
unsigned char PointerSizeInBytes
llvm::Value * EmitObjCProtocolExpr(const ObjCProtocolExpr *E)
llvm::FunctionType * GetFunctionType(const CGFunctionInfo &Info)
GetFunctionType - Get the LLVM function type for.
QualType getPointeeType() const
Gets the type pointed to by this ObjC pointer.
const llvm::Triple & getTriple() const