CGObjC.cpp revision 109dfc6ca6652f60c55ed0f2631aebf323d0200d
15508518a2702b00be3b15a26d772bde968972f54Anders Carlsson//===---- CGBuiltin.cpp - Emit LLVM Code for builtins ---------------------===// 25508518a2702b00be3b15a26d772bde968972f54Anders Carlsson// 35508518a2702b00be3b15a26d772bde968972f54Anders Carlsson// The LLVM Compiler Infrastructure 45508518a2702b00be3b15a26d772bde968972f54Anders Carlsson// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 75508518a2702b00be3b15a26d772bde968972f54Anders Carlsson// 85508518a2702b00be3b15a26d772bde968972f54Anders Carlsson//===----------------------------------------------------------------------===// 95508518a2702b00be3b15a26d772bde968972f54Anders Carlsson// 105508518a2702b00be3b15a26d772bde968972f54Anders Carlsson// This contains code to emit Objective-C code as LLVM code. 115508518a2702b00be3b15a26d772bde968972f54Anders Carlsson// 125508518a2702b00be3b15a26d772bde968972f54Anders Carlsson//===----------------------------------------------------------------------===// 135508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 142979ec73b4f974d85f2ce84167712177a44c6f09Ted Kremenek#include "CGObjCRuntime.h" 155508518a2702b00be3b15a26d772bde968972f54Anders Carlsson#include "CodeGenFunction.h" 165508518a2702b00be3b15a26d772bde968972f54Anders Carlsson#include "CodeGenModule.h" 1785c59edda02df48fae8dc85049743319bc6e7e89Daniel Dunbar#include "clang/AST/ASTContext.h" 18c4a1dea2dc56bd1357ec91b829a0b9e68229a13eDaniel Dunbar#include "clang/AST/DeclObjC.h" 1916f0049415ec596504891259e2a83e19871c0d52Chris Lattner#include "clang/AST/StmtObjC.h" 20e66f4e3e3ae9d7d11b0c302211066fad69228abaDaniel Dunbar#include "clang/Basic/Diagnostic.h" 213d8400d9a61aa4b63ff35e5cede405b32a41425eAnders Carlsson#include "llvm/ADT/STLExtras.h" 22c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar#include "llvm/Target/TargetData.h" 235508518a2702b00be3b15a26d772bde968972f54Anders Carlssonusing namespace clang; 245508518a2702b00be3b15a26d772bde968972f54Anders Carlssonusing namespace CodeGen; 255508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 268fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner/// Emits an instance of NSConstantString representing the object. 271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpllvm::Value *CodeGenFunction::EmitObjCStringLiteral(const ObjCStringLiteral *E) 2871fcec9abf2ce66d5e17a24bd021680e94e42f0dDaniel Dunbar{ 290d13f6fdbdd6f06e2449b8834dda53334abd399aDavid Chisnall llvm::Constant *C = 300d13f6fdbdd6f06e2449b8834dda53334abd399aDavid Chisnall CGM.getObjCRuntime().GenerateConstantString(E->getString()); 31ed7c618f849e2541b1d0288c43154937652c5b15Daniel Dunbar // FIXME: This bitcast should just be made an invariant on the Runtime. 323c4972def972f8ca44dcd0561779a12aaa6fec97Owen Anderson return llvm::ConstantExpr::getBitCast(C, ConvertType(E->getType())); 338fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner} 348fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner 358fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner/// Emit a selector. 368fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattnerllvm::Value *CodeGenFunction::EmitObjCSelectorExpr(const ObjCSelectorExpr *E) { 378fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner // Untyped selector. 388fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner // Note that this implementation allows for non-constant strings to be passed 398fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner // as arguments to @selector(). Currently, the only thing preventing this 408fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner // behaviour is the type checking in the front end. 416d5a1c28593443f3973ef38f8fa042d59182412dDaniel Dunbar return CGM.getObjCRuntime().GetSelector(Builder, E->getSelector()); 428fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner} 438fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner 44ed7c618f849e2541b1d0288c43154937652c5b15Daniel Dunbarllvm::Value *CodeGenFunction::EmitObjCProtocolExpr(const ObjCProtocolExpr *E) { 45ed7c618f849e2541b1d0288c43154937652c5b15Daniel Dunbar // FIXME: This should pass the Decl not the name. 46ed7c618f849e2541b1d0288c43154937652c5b15Daniel Dunbar return CGM.getObjCRuntime().GenerateProtocolRef(Builder, E->getProtocol()); 47ed7c618f849e2541b1d0288c43154937652c5b15Daniel Dunbar} 488fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner 498fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner 508f2926b73ed635afecd020da787af6a837601a2bDaniel DunbarRValue CodeGenFunction::EmitObjCMessageExpr(const ObjCMessageExpr *E) { 518fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner // Only the lookup mechanism and first two arguments of the method 528fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner // implementation vary between runtimes. We can get the receiver and 538fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner // arguments in generic code. 541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 55208ff5e8a073de2a5d15cbe03cab8a4c0d935e28Daniel Dunbar CGObjCRuntime &Runtime = CGM.getObjCRuntime(); 568fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner bool isSuperMessage = false; 57f56f1913e91ad32bed52dd3f6afc26735d336584Daniel Dunbar bool isClassMessage = false; 58c6cd5fd3eae71f8841504a396563343cfaaf503eDavid Chisnall ObjCInterfaceDecl *OID = 0; 598fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner // Find the receiver 600b647a6ea18151149d624ab373e6fe0e819e4a9aDaniel Dunbar llvm::Value *Receiver = 0; 6104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor switch (E->getReceiverKind()) { 6204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor case ObjCMessageExpr::Instance: 6304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Receiver = EmitScalarExpr(E->getInstanceReceiver()); 6404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor break; 651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor case ObjCMessageExpr::Class: { 6704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor const ObjCInterfaceType *IFace 6804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor = E->getClassReceiver()->getAs<ObjCInterfaceType>(); 69c6cd5fd3eae71f8841504a396563343cfaaf503eDavid Chisnall OID = IFace->getDecl(); 7004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor assert(IFace && "Invalid Objective-C class message send"); 71c6cd5fd3eae71f8841504a396563343cfaaf503eDavid Chisnall Receiver = Runtime.GetClass(Builder, OID); 72f56f1913e91ad32bed52dd3f6afc26735d336584Daniel Dunbar isClassMessage = true; 7304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor break; 7404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor } 7504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 7604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor case ObjCMessageExpr::SuperInstance: 7704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Receiver = LoadObjCSelf(); 788fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner isSuperMessage = true; 7904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor break; 8004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 8104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor case ObjCMessageExpr::SuperClass: 828fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner Receiver = LoadObjCSelf(); 8304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor isSuperMessage = true; 8404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor isClassMessage = true; 8504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor break; 868fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner } 878fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner 8819cd87eb5fb3c197e631ce08fd52c446c4d4e8f1Daniel Dunbar CallArgList Args; 89131038e2125d98f1be0d9cb62561a7cede41bb44Anders Carlsson EmitCallArgs(Args, E->getMethodDecl(), E->arg_begin(), E->arg_end()); 901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 918fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner if (isSuperMessage) { 929384c768e93f270118a30ce96546083a666da284Chris Lattner // super is only valid in an Objective-C method 939384c768e93f270118a30ce96546083a666da284Chris Lattner const ObjCMethodDecl *OMD = cast<ObjCMethodDecl>(CurFuncDecl); 947ce77920a35060f1c8dd72e541e42ce296ccd168Fariborz Jahanian bool isCategoryImpl = isa<ObjCCategoryImplDecl>(OMD->getDeclContext()); 957f8ea5c5b3a6a4332a841eefdd86b0726722ea7bDaniel Dunbar return Runtime.GenerateMessageSendSuper(*this, E->getType(), 967f8ea5c5b3a6a4332a841eefdd86b0726722ea7bDaniel Dunbar E->getSelector(), 97f56f1913e91ad32bed52dd3f6afc26735d336584Daniel Dunbar OMD->getClassInterface(), 987ce77920a35060f1c8dd72e541e42ce296ccd168Fariborz Jahanian isCategoryImpl, 99f56f1913e91ad32bed52dd3f6afc26735d336584Daniel Dunbar Receiver, 10019cd87eb5fb3c197e631ce08fd52c446c4d4e8f1Daniel Dunbar isClassMessage, 101d6c93d703541c992e06eb9a59a2d826a30da65b2Daniel Dunbar Args, 102d6c93d703541c992e06eb9a59a2d826a30da65b2Daniel Dunbar E->getMethodDecl()); 1038fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner } 104d6c93d703541c992e06eb9a59a2d826a30da65b2Daniel Dunbar 1051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Runtime.GenerateMessageSend(*this, E->getType(), E->getSelector(), 106c6cd5fd3eae71f8841504a396563343cfaaf503eDavid Chisnall Receiver, Args, OID, 107df9ccc6381314ccca6407abb209155e9273a631dFariborz Jahanian E->getMethodDecl()); 1085508518a2702b00be3b15a26d772bde968972f54Anders Carlsson} 1095508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 110af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar/// StartObjCMethod - Begin emission of an ObjCMethod. This generates 111af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar/// the LLVM function and sets the other context used by 112af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar/// CodeGenFunction. 113679a502d462ef819e6175b58e255ca3f3391e7cfFariborz Jahanianvoid CodeGenFunction::StartObjCMethod(const ObjCMethodDecl *OMD, 114679a502d462ef819e6175b58e255ca3f3391e7cfFariborz Jahanian const ObjCContainerDecl *CD) { 1157c086516f3cc9fba2733b1919973206c6ba4b171Daniel Dunbar FunctionArgList Args; 1164800ea6ff8017cf803c32a5fd63b94c0614014e3Devang Patel // Check if we should generate debug info for this method. 1174800ea6ff8017cf803c32a5fd63b94c0614014e3Devang Patel if (CGM.getDebugInfo() && !OMD->hasAttr<NoDebugAttr>()) 1184800ea6ff8017cf803c32a5fd63b94c0614014e3Devang Patel DebugInfo = CGM.getDebugInfo(); 1194800ea6ff8017cf803c32a5fd63b94c0614014e3Devang Patel 120679a502d462ef819e6175b58e255ca3f3391e7cfFariborz Jahanian llvm::Function *Fn = CGM.getObjCRuntime().GenerateMethod(OMD, CD); 121f80519b919a348db004fba18530706314d1ebfb5Daniel Dunbar 1220e4f40e1bbc4dce16bbb9870300a435419f1b3d5Daniel Dunbar const CGFunctionInfo &FI = CGM.getTypes().getFunctionInfo(OMD); 1230e4f40e1bbc4dce16bbb9870300a435419f1b3d5Daniel Dunbar CGM.SetInternalFunctionAttributes(OMD, Fn, FI); 1244111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner 1251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Args.push_back(std::make_pair(OMD->getSelfDecl(), 1267c086516f3cc9fba2733b1919973206c6ba4b171Daniel Dunbar OMD->getSelfDecl()->getType())); 1277c086516f3cc9fba2733b1919973206c6ba4b171Daniel Dunbar Args.push_back(std::make_pair(OMD->getCmdDecl(), 1287c086516f3cc9fba2733b1919973206c6ba4b171Daniel Dunbar OMD->getCmdDecl()->getType())); 1294111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner 13089951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = OMD->param_begin(), 13189951a86b594513c2a013532ed45d197413b1087Chris Lattner E = OMD->param_end(); PI != E; ++PI) 13289951a86b594513c2a013532ed45d197413b1087Chris Lattner Args.push_back(std::make_pair(*PI, (*PI)->getType())); 133b7ec246872b412f0e7bb9e93eacfd78cfa6adfb3Daniel Dunbar 134a92d613a1a3881fb5002ce99e5721056161bcd28Devang Patel StartFunction(OMD, OMD->getResultType(), Fn, Args, OMD->getLocStart()); 135af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar} 136af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar 137af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar/// Generate an Objective-C method. An Objective-C method is a C function with 1381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// its pointer, name, and types registered in the class struture. 139af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbarvoid CodeGenFunction::GenerateObjCMethod(const ObjCMethodDecl *OMD) { 140679a502d462ef819e6175b58e255ca3f3391e7cfFariborz Jahanian StartObjCMethod(OMD, OMD->getClassInterface()); 1416fb0aee4f9dc261bbec72e1283ad8dc0557a6d96Argyrios Kyrtzidis EmitStmt(OMD->getBody()); 1426fb0aee4f9dc261bbec72e1283ad8dc0557a6d96Argyrios Kyrtzidis FinishFunction(OMD->getBodyRBrace()); 143af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar} 144af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar 145f5408fe484495ee4efbdd709c8a2c2fdbbbdb328Mike Stump// FIXME: I wasn't sure about the synthesis approach. If we end up generating an 146f5408fe484495ee4efbdd709c8a2c2fdbbbdb328Mike Stump// AST for the whole body we can just fall back to having a GenerateFunction 147f5408fe484495ee4efbdd709c8a2c2fdbbbdb328Mike Stump// which takes the body Stmt. 148af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar 149af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar/// GenerateObjCGetter - Generate an Objective-C property getter 150489034cf8bde09360e0089f401b2929597b125d8Steve Naroff/// function. The given Decl must be an ObjCImplementationDecl. @synthesize 151489034cf8bde09360e0089f401b2929597b125d8Steve Naroff/// is illegal within a category. 152fef30b55230064d334a669a065a1c9acdb87cdfeFariborz Jahanianvoid CodeGenFunction::GenerateObjCGetter(ObjCImplementationDecl *IMP, 153fef30b55230064d334a669a065a1c9acdb87cdfeFariborz Jahanian const ObjCPropertyImplDecl *PID) { 154c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar ObjCIvarDecl *Ivar = PID->getPropertyIvarDecl(); 155af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar const ObjCPropertyDecl *PD = PID->getPropertyDecl(); 15615bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian bool IsAtomic = 15715bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian !(PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_nonatomic); 158af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar ObjCMethodDecl *OMD = PD->getGetterMethodDecl(); 159af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar assert(OMD && "Invalid call to generate getter (empty method)"); 160f5408fe484495ee4efbdd709c8a2c2fdbbbdb328Mike Stump // FIXME: This is rather murky, we create this here since they will not have 161f5408fe484495ee4efbdd709c8a2c2fdbbbdb328Mike Stump // been created by Sema for us. 162fef30b55230064d334a669a065a1c9acdb87cdfeFariborz Jahanian OMD->createImplicitParams(getContext(), IMP->getClassInterface()); 163679a502d462ef819e6175b58e255ca3f3391e7cfFariborz Jahanian StartObjCMethod(OMD, IMP->getClassInterface()); 16415bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian 165c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar // Determine if we should use an objc_getProperty call for 166447d7aeb9499d7ade42be7d63fa03b37b1d2fc09Fariborz Jahanian // this. Non-atomic properties are directly evaluated. 167447d7aeb9499d7ade42be7d63fa03b37b1d2fc09Fariborz Jahanian // atomic 'copy' and 'retain' properties are also directly 168447d7aeb9499d7ade42be7d63fa03b37b1d2fc09Fariborz Jahanian // evaluated in gc-only mode. 169c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar if (CGM.getLangOptions().getGCMode() != LangOptions::GCOnly && 17015bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian IsAtomic && 171447d7aeb9499d7ade42be7d63fa03b37b1d2fc09Fariborz Jahanian (PD->getSetterKind() == ObjCPropertyDecl::Copy || 172447d7aeb9499d7ade42be7d63fa03b37b1d2fc09Fariborz Jahanian PD->getSetterKind() == ObjCPropertyDecl::Retain)) { 1731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *GetPropertyFn = 174c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar CGM.getObjCRuntime().GetPropertyGetFunction(); 1751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 176c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar if (!GetPropertyFn) { 177c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar CGM.ErrorUnsupported(PID, "Obj-C getter requiring atomic copy"); 178c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar FinishFunction(); 179c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar return; 180c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar } 181c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar 182c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar // Return (ivar-type) objc_getProperty((id) self, _cmd, offset, true). 183c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar // FIXME: Can't this be simpler? This might even be worse than the 184c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar // corresponding gcc code. 185c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar CodeGenTypes &Types = CGM.getTypes(); 186c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar ValueDecl *Cmd = OMD->getCmdDecl(); 187c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar llvm::Value *CmdVal = Builder.CreateLoad(LocalDeclMap[Cmd], "cmd"); 188c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar QualType IdTy = getContext().getObjCIdType(); 1891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *SelfAsId = 190c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar Builder.CreateBitCast(LoadObjCSelf(), Types.ConvertType(IdTy)); 191fef30b55230064d334a669a065a1c9acdb87cdfeFariborz Jahanian llvm::Value *Offset = EmitIvarOffset(IMP->getClassInterface(), Ivar); 192c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar llvm::Value *True = 1934a28d5deeba33722aa009eab488591fb9055cc7eOwen Anderson llvm::ConstantInt::get(Types.ConvertType(getContext().BoolTy), 1); 194c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar CallArgList Args; 195c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar Args.push_back(std::make_pair(RValue::get(SelfAsId), IdTy)); 196c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar Args.push_back(std::make_pair(RValue::get(CmdVal), Cmd->getType())); 197c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar Args.push_back(std::make_pair(RValue::get(Offset), getContext().LongTy)); 198c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar Args.push_back(std::make_pair(RValue::get(True), getContext().BoolTy)); 199e4be5a66072f7c7618071284c8d2a9c6d8e691cfDaniel Dunbar // FIXME: We shouldn't need to get the function info here, the 200e4be5a66072f7c7618071284c8d2a9c6d8e691cfDaniel Dunbar // runtime already should have computed it to build the function. 20104a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall RValue RV = EmitCall(Types.getFunctionInfo(PD->getType(), Args, 202264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo()), 203f3c47c9525153aea2de0ec4bd615b9cf2d81c103Anders Carlsson GetPropertyFn, ReturnValueSlot(), Args); 204c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar // We need to fix the type here. Ivars with copy & retain are 205c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar // always objects so we don't need to worry about complex or 206c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar // aggregates. 2071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump RV = RValue::get(Builder.CreateBitCast(RV.getScalarVal(), 208c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar Types.ConvertType(PD->getType()))); 209c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar EmitReturnOfRValue(RV, PD->getType()); 210c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar } else { 211525c9b7baeeff022127cd1b167579f3bda73b3edDaniel Dunbar LValue LV = EmitLValueForIvar(TypeOfSelfObject(), LoadObjCSelf(), Ivar, 0); 2121b23fe61cf4437668280212d0ad6cb7196f51529Fariborz Jahanian if (Ivar->getType()->isAnyComplexType()) { 2131b23fe61cf4437668280212d0ad6cb7196f51529Fariborz Jahanian ComplexPairTy Pair = LoadComplexFromAddr(LV.getAddress(), 2141b23fe61cf4437668280212d0ad6cb7196f51529Fariborz Jahanian LV.isVolatileQualified()); 2151b23fe61cf4437668280212d0ad6cb7196f51529Fariborz Jahanian StoreComplexToAddr(Pair, ReturnValue, LV.isVolatileQualified()); 2161b23fe61cf4437668280212d0ad6cb7196f51529Fariborz Jahanian } 2171b23fe61cf4437668280212d0ad6cb7196f51529Fariborz Jahanian else if (hasAggregateLLVMType(Ivar->getType())) { 21815bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian bool IsStrong = false; 21915bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian if ((IsAtomic || (IsStrong = IvarTypeWithAggrGCObjects(Ivar->getType()))) 2200b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian && CurFnInfo->getReturnInfo().getKind() == ABIArgInfo::Indirect 2210b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian && CGM.getObjCRuntime().GetCopyStructFunction()) { 2220b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian llvm::Value *GetCopyStructFn = 2230b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian CGM.getObjCRuntime().GetCopyStructFunction(); 2240b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian CodeGenTypes &Types = CGM.getTypes(); 2250b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian // objc_copyStruct (ReturnValue, &structIvar, 2260b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian // sizeof (Type of Ivar), isAtomic, false); 2270b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian CallArgList Args; 2280b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian RValue RV = RValue::get(Builder.CreateBitCast(ReturnValue, 2290b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian Types.ConvertType(getContext().VoidPtrTy))); 2300b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian Args.push_back(std::make_pair(RV, getContext().VoidPtrTy)); 2310b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian RV = RValue::get(Builder.CreateBitCast(LV.getAddress(), 2320b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian Types.ConvertType(getContext().VoidPtrTy))); 2330b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian Args.push_back(std::make_pair(RV, getContext().VoidPtrTy)); 2340b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian // sizeof (Type of Ivar) 2350b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian uint64_t Size = getContext().getTypeSize(Ivar->getType()) / 8; 2360b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian llvm::Value *SizeVal = 2370b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian llvm::ConstantInt::get(Types.ConvertType(getContext().LongTy), Size); 2380b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian Args.push_back(std::make_pair(RValue::get(SizeVal), 2390b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian getContext().LongTy)); 2400b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian llvm::Value *isAtomic = 24108adf327cdcbf838990915bcdaebfdaf553144b7Fariborz Jahanian llvm::ConstantInt::get(Types.ConvertType(getContext().BoolTy), 24208adf327cdcbf838990915bcdaebfdaf553144b7Fariborz Jahanian IsAtomic ? 1 : 0); 2430b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian Args.push_back(std::make_pair(RValue::get(isAtomic), 2440b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian getContext().BoolTy)); 24515bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian llvm::Value *hasStrong = 24615bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian llvm::ConstantInt::get(Types.ConvertType(getContext().BoolTy), 24715bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian IsStrong ? 1 : 0); 24815bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian Args.push_back(std::make_pair(RValue::get(hasStrong), 24915bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian getContext().BoolTy)); 2500b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian EmitCall(Types.getFunctionInfo(getContext().VoidTy, Args, 2510b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian FunctionType::ExtInfo()), 2520b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian GetCopyStructFn, ReturnValueSlot(), Args); 2530b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian } 2540b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian else 2550b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian EmitAggregateCopy(ReturnValue, LV.getAddress(), Ivar->getType()); 256b3589f44c5d295cd41de2c83f3475116835eeebdMike Stump } else { 257ed1d29d62595a83ccf6ef23eb2759d355206df2eFariborz Jahanian CodeGenTypes &Types = CGM.getTypes(); 258ed1d29d62595a83ccf6ef23eb2759d355206df2eFariborz Jahanian RValue RV = EmitLoadOfLValue(LV, Ivar->getType()); 259ed1d29d62595a83ccf6ef23eb2759d355206df2eFariborz Jahanian RV = RValue::get(Builder.CreateBitCast(RV.getScalarVal(), 2601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Types.ConvertType(PD->getType()))); 261ed1d29d62595a83ccf6ef23eb2759d355206df2eFariborz Jahanian EmitReturnOfRValue(RV, PD->getType()); 262ed1d29d62595a83ccf6ef23eb2759d355206df2eFariborz Jahanian } 263c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar } 264af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar 265af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar FinishFunction(); 266af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar} 267af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar 268af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar/// GenerateObjCSetter - Generate an Objective-C property setter 269489034cf8bde09360e0089f401b2929597b125d8Steve Naroff/// function. The given Decl must be an ObjCImplementationDecl. @synthesize 270489034cf8bde09360e0089f401b2929597b125d8Steve Naroff/// is illegal within a category. 271fef30b55230064d334a669a065a1c9acdb87cdfeFariborz Jahanianvoid CodeGenFunction::GenerateObjCSetter(ObjCImplementationDecl *IMP, 272fef30b55230064d334a669a065a1c9acdb87cdfeFariborz Jahanian const ObjCPropertyImplDecl *PID) { 27386957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar ObjCIvarDecl *Ivar = PID->getPropertyIvarDecl(); 274af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar const ObjCPropertyDecl *PD = PID->getPropertyDecl(); 275af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar ObjCMethodDecl *OMD = PD->getSetterMethodDecl(); 276af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar assert(OMD && "Invalid call to generate setter (empty method)"); 277f5408fe484495ee4efbdd709c8a2c2fdbbbdb328Mike Stump // FIXME: This is rather murky, we create this here since they will not have 278f5408fe484495ee4efbdd709c8a2c2fdbbbdb328Mike Stump // been created by Sema for us. 279fef30b55230064d334a669a065a1c9acdb87cdfeFariborz Jahanian OMD->createImplicitParams(getContext(), IMP->getClassInterface()); 280679a502d462ef819e6175b58e255ca3f3391e7cfFariborz Jahanian StartObjCMethod(OMD, IMP->getClassInterface()); 281b7ec246872b412f0e7bb9e93eacfd78cfa6adfb3Daniel Dunbar 28286957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar bool IsCopy = PD->getSetterKind() == ObjCPropertyDecl::Copy; 2831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool IsAtomic = 28486957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar !(PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_nonatomic); 28586957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar 28686957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar // Determine if we should use an objc_setProperty call for 28786957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar // this. Properties with 'copy' semantics always use it, as do 28886957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar // non-atomic properties with 'release' semantics as long as we are 28986957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar // not in gc-only mode. 29086957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar if (IsCopy || 29186957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar (CGM.getLangOptions().getGCMode() != LangOptions::GCOnly && 29286957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar PD->getSetterKind() == ObjCPropertyDecl::Retain)) { 2931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *SetPropertyFn = 29486957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar CGM.getObjCRuntime().GetPropertySetFunction(); 2951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29686957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar if (!SetPropertyFn) { 29786957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar CGM.ErrorUnsupported(PID, "Obj-C getter requiring atomic copy"); 29886957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar FinishFunction(); 29986957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar return; 30086957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar } 3011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Emit objc_setProperty((id) self, _cmd, offset, arg, 30386957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar // <is-atomic>, <is-copy>). 30486957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar // FIXME: Can't this be simpler? This might even be worse than the 30586957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar // corresponding gcc code. 30686957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar CodeGenTypes &Types = CGM.getTypes(); 30786957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar ValueDecl *Cmd = OMD->getCmdDecl(); 30886957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar llvm::Value *CmdVal = Builder.CreateLoad(LocalDeclMap[Cmd], "cmd"); 30986957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar QualType IdTy = getContext().getObjCIdType(); 3101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *SelfAsId = 31186957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar Builder.CreateBitCast(LoadObjCSelf(), Types.ConvertType(IdTy)); 312fef30b55230064d334a669a065a1c9acdb87cdfeFariborz Jahanian llvm::Value *Offset = EmitIvarOffset(IMP->getClassInterface(), Ivar); 31389951a86b594513c2a013532ed45d197413b1087Chris Lattner llvm::Value *Arg = LocalDeclMap[*OMD->param_begin()]; 3141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *ArgAsId = 31586957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar Builder.CreateBitCast(Builder.CreateLoad(Arg, "arg"), 31686957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar Types.ConvertType(IdTy)); 31786957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar llvm::Value *True = 3184a28d5deeba33722aa009eab488591fb9055cc7eOwen Anderson llvm::ConstantInt::get(Types.ConvertType(getContext().BoolTy), 1); 31986957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar llvm::Value *False = 3204a28d5deeba33722aa009eab488591fb9055cc7eOwen Anderson llvm::ConstantInt::get(Types.ConvertType(getContext().BoolTy), 0); 32186957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar CallArgList Args; 32286957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar Args.push_back(std::make_pair(RValue::get(SelfAsId), IdTy)); 32386957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar Args.push_back(std::make_pair(RValue::get(CmdVal), Cmd->getType())); 32486957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar Args.push_back(std::make_pair(RValue::get(Offset), getContext().LongTy)); 32586957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar Args.push_back(std::make_pair(RValue::get(ArgAsId), IdTy)); 3261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Args.push_back(std::make_pair(RValue::get(IsAtomic ? True : False), 32786957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar getContext().BoolTy)); 3281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Args.push_back(std::make_pair(RValue::get(IsCopy ? True : False), 32986957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar getContext().BoolTy)); 330f5408fe484495ee4efbdd709c8a2c2fdbbbdb328Mike Stump // FIXME: We shouldn't need to get the function info here, the runtime 331f5408fe484495ee4efbdd709c8a2c2fdbbbdb328Mike Stump // already should have computed it to build the function. 33204a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall EmitCall(Types.getFunctionInfo(getContext().VoidTy, Args, 333264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo()), 334264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola SetPropertyFn, 335f3c47c9525153aea2de0ec4bd615b9cf2d81c103Anders Carlsson ReturnValueSlot(), Args); 3360b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian } else if (IsAtomic && hasAggregateLLVMType(Ivar->getType()) && 3370b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian !Ivar->getType()->isAnyComplexType() && 3380b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian IndirectObjCSetterArg(*CurFnInfo) 3390b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian && CGM.getObjCRuntime().GetCopyStructFunction()) { 3400b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian // objc_copyStruct (&structIvar, &Arg, 3410b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian // sizeof (struct something), true, false); 3420b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian llvm::Value *GetCopyStructFn = 3430b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian CGM.getObjCRuntime().GetCopyStructFunction(); 3440b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian CodeGenTypes &Types = CGM.getTypes(); 3450b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian CallArgList Args; 3460b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian LValue LV = EmitLValueForIvar(TypeOfSelfObject(), LoadObjCSelf(), Ivar, 0); 3470b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian RValue RV = RValue::get(Builder.CreateBitCast(LV.getAddress(), 3480b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian Types.ConvertType(getContext().VoidPtrTy))); 3490b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian Args.push_back(std::make_pair(RV, getContext().VoidPtrTy)); 3500b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian llvm::Value *Arg = LocalDeclMap[*OMD->param_begin()]; 3510b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian llvm::Value *ArgAsPtrTy = 3520b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian Builder.CreateBitCast(Arg, 3530b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian Types.ConvertType(getContext().VoidPtrTy)); 3540b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian RV = RValue::get(ArgAsPtrTy); 3550b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian Args.push_back(std::make_pair(RV, getContext().VoidPtrTy)); 3560b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian // sizeof (Type of Ivar) 3570b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian uint64_t Size = getContext().getTypeSize(Ivar->getType()) / 8; 3580b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian llvm::Value *SizeVal = 3590b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian llvm::ConstantInt::get(Types.ConvertType(getContext().LongTy), Size); 3600b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian Args.push_back(std::make_pair(RValue::get(SizeVal), 3610b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian getContext().LongTy)); 3620b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian llvm::Value *True = 3630b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian llvm::ConstantInt::get(Types.ConvertType(getContext().BoolTy), 1); 3640b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian Args.push_back(std::make_pair(RValue::get(True), getContext().BoolTy)); 3650b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian llvm::Value *False = 3660b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian llvm::ConstantInt::get(Types.ConvertType(getContext().BoolTy), 0); 3670b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian Args.push_back(std::make_pair(RValue::get(False), getContext().BoolTy)); 3680b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian EmitCall(Types.getFunctionInfo(getContext().VoidTy, Args, 3690b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian FunctionType::ExtInfo()), 3700b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian GetCopyStructFn, ReturnValueSlot(), Args); 37186957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar } else { 37245e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar // FIXME: Find a clean way to avoid AST node creation. 37386957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar SourceLocation Loc = PD->getLocation(); 37486957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar ValueDecl *Self = OMD->getSelfDecl(); 37586957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar ObjCIvarDecl *Ivar = PID->getPropertyIvarDecl(); 37686957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar DeclRefExpr Base(Self, Self->getType(), Loc); 37789951a86b594513c2a013532ed45d197413b1087Chris Lattner ParmVarDecl *ArgDecl = *OMD->param_begin(); 37886957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar DeclRefExpr Arg(ArgDecl, ArgDecl->getType(), Loc); 37945e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar ObjCIvarRefExpr IvarRef(Ivar, Ivar->getType(), Loc, &Base, true, true); 38045e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar 38145e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar // The property type can differ from the ivar type in some situations with 38245e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar // Objective-C pointer types, we can always bit cast the RHS in these cases. 38345e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar if (getContext().getCanonicalType(Ivar->getType()) != 38445e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar getContext().getCanonicalType(ArgDecl->getType())) { 38545e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar ImplicitCastExpr ArgCasted(Ivar->getType(), CastExpr::CK_BitCast, &Arg, 386f1b48b7014992155286d58bb1676f9f51031d18bAnders Carlsson CXXBaseSpecifierArray(), false); 38745e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar BinaryOperator Assign(&IvarRef, &ArgCasted, BinaryOperator::Assign, 38845e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar Ivar->getType(), Loc); 38945e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar EmitStmt(&Assign); 39045e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar } else { 39145e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar BinaryOperator Assign(&IvarRef, &Arg, BinaryOperator::Assign, 39245e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar Ivar->getType(), Loc); 39345e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar EmitStmt(&Assign); 39445e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar } 39586957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar } 396af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar 397af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar FinishFunction(); 3984111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner} 3994111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner 400109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanianvoid CodeGenFunction::GenerateObjCCtorDtorMethod(ObjCImplementationDecl *IMP, 401109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian ObjCMethodDecl *MD, 402109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian bool ctor) { 403109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian llvm::SmallVector<CXXBaseOrMemberInitializer *, 8> IvarInitializers; 404109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian MD->createImplicitParams(CGM.getContext(), IMP->getClassInterface()); 405109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian StartObjCMethod(MD, IMP->getClassInterface()); 406109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian for (ObjCImplementationDecl::init_const_iterator B = IMP->init_begin(), 407109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian E = IMP->init_end(); B != E; ++B) { 408109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian CXXBaseOrMemberInitializer *Member = (*B); 409109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian IvarInitializers.push_back(Member); 410109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian } 411109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian if (ctor) { 412109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian for (unsigned I = 0, E = IvarInitializers.size(); I != E; ++I) { 413109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian CXXBaseOrMemberInitializer *IvarInit = IvarInitializers[I]; 414109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian FieldDecl *Field = IvarInit->getMember(); 415109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian QualType FieldType = Field->getType(); 416109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian if (CGM.getContext().getAsConstantArrayType(FieldType)) 417109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian assert(false && "Construction objc arrays NYI"); 418109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian ObjCIvarDecl *Ivar = cast<ObjCIvarDecl>(Field); 419109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian LValue LV = EmitLValueForIvar(TypeOfSelfObject(), LoadObjCSelf(), Ivar, 0); 420109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian EmitAggExpr(IvarInit->getInit(), LV.getAddress(), 421109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian LV.isVolatileQualified(), false, true); 422109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian } 423109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian // constructor returns 'self'. 424109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian CodeGenTypes &Types = CGM.getTypes(); 425109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian QualType IdTy(CGM.getContext().getObjCIdType()); 426109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian llvm::Value *SelfAsId = 427109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian Builder.CreateBitCast(LoadObjCSelf(), Types.ConvertType(IdTy)); 428109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian EmitReturnOfRValue(RValue::get(SelfAsId), IdTy); 429109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian } 430109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian else { 431109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian // dtor 432109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian for (size_t i = IvarInitializers.size(); i > 0; --i) { 433109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian FieldDecl *Field = IvarInitializers[i - 1]->getMember(); 434109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian QualType FieldType = Field->getType(); 435109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian if (CGM.getContext().getAsConstantArrayType(FieldType)) 436109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian assert(false && "Destructing objc arrays NYI"); 437109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian ObjCIvarDecl *Ivar = cast<ObjCIvarDecl>(Field); 438109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian LValue LV = EmitLValueForIvar(TypeOfSelfObject(), 439109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian LoadObjCSelf(), Ivar, 0); 440109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian const RecordType *RT = FieldType->getAs<RecordType>(); 441109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian CXXRecordDecl *FieldClassDecl = cast<CXXRecordDecl>(RT->getDecl()); 442109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian EmitCXXDestructorCall(FieldClassDecl->getDestructor(CGM.getContext()), 443109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian Dtor_Complete, LV.getAddress()); 444109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian } 445109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian } 446109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian FinishFunction(); 447109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian} 448109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian 4490b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanianbool CodeGenFunction::IndirectObjCSetterArg(const CGFunctionInfo &FI) { 4500b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian CGFunctionInfo::const_arg_iterator it = FI.arg_begin(); 4510b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian it++; it++; 4520b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian const ABIArgInfo &AI = it->info; 4530b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian // FIXME. Is this sufficient check? 4540b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian return (AI.getKind() == ABIArgInfo::Indirect); 4550b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian} 4560b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian 45715bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanianbool CodeGenFunction::IvarTypeWithAggrGCObjects(QualType Ty) { 45815bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian if (CGM.getLangOptions().getGCMode() == LangOptions::NonGC) 45915bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian return false; 46015bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian if (const RecordType *FDTTy = Ty.getTypePtr()->getAs<RecordType>()) 46115bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian return FDTTy->getDecl()->hasObjectMember(); 46215bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian return false; 46315bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian} 46415bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian 465c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbarllvm::Value *CodeGenFunction::LoadObjCSelf() { 466b7ec246872b412f0e7bb9e93eacfd78cfa6adfb3Daniel Dunbar const ObjCMethodDecl *OMD = cast<ObjCMethodDecl>(CurFuncDecl); 4676cc88f78fd36d3511b89412b193494b3e423cbffMike Stump // See if we need to lazily forward self inside a block literal. 4686cc88f78fd36d3511b89412b193494b3e423cbffMike Stump BlockForwardSelf(); 469b7ec246872b412f0e7bb9e93eacfd78cfa6adfb3Daniel Dunbar return Builder.CreateLoad(LocalDeclMap[OMD->getSelfDecl()], "self"); 4704111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner} 4714111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner 47245012a7ef5abf1042c893f3f2fa5c23cb5485ea9Fariborz JahanianQualType CodeGenFunction::TypeOfSelfObject() { 47345012a7ef5abf1042c893f3f2fa5c23cb5485ea9Fariborz Jahanian const ObjCMethodDecl *OMD = cast<ObjCMethodDecl>(CurFuncDecl); 47445012a7ef5abf1042c893f3f2fa5c23cb5485ea9Fariborz Jahanian ImplicitParamDecl *selfDecl = OMD->getSelfDecl(); 47514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff const ObjCObjectPointerType *PTy = cast<ObjCObjectPointerType>( 47614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff getContext().getCanonicalType(selfDecl->getType())); 47745012a7ef5abf1042c893f3f2fa5c23cb5485ea9Fariborz Jahanian return PTy->getPointeeType(); 47845012a7ef5abf1042c893f3f2fa5c23cb5485ea9Fariborz Jahanian} 47945012a7ef5abf1042c893f3f2fa5c23cb5485ea9Fariborz Jahanian 4801eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpRValue CodeGenFunction::EmitObjCSuperPropertyGet(const Expr *Exp, 481f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian const Selector &S) { 482f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian llvm::Value *Receiver = LoadObjCSelf(); 483f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian const ObjCMethodDecl *OMD = cast<ObjCMethodDecl>(CurFuncDecl); 484f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian bool isClassMessage = OMD->isClassMethod(); 485f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian bool isCategoryImpl = isa<ObjCCategoryImplDecl>(OMD->getDeclContext()); 4861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return CGM.getObjCRuntime().GenerateMessageSendSuper(*this, 487f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian Exp->getType(), 488f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian S, 489f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian OMD->getClassInterface(), 490f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian isCategoryImpl, 491f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian Receiver, 492f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian isClassMessage, 493f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian CallArgList()); 4941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 495f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian} 496f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian 4975daf570d0ce027e18ed5f9d66e6b2a14a40b720dFariborz JahanianRValue CodeGenFunction::EmitObjCPropertyGet(const Expr *Exp) { 498d2e1eb064cfb8d361ea1dd4f6253a4e20f24d88dFariborz Jahanian Exp = Exp->IgnoreParens(); 49943f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian // FIXME: Split it into two separate routines. 5005daf570d0ce027e18ed5f9d66e6b2a14a40b720dFariborz Jahanian if (const ObjCPropertyRefExpr *E = dyn_cast<ObjCPropertyRefExpr>(Exp)) { 5015daf570d0ce027e18ed5f9d66e6b2a14a40b720dFariborz Jahanian Selector S = E->getProperty()->getGetterName(); 502f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian if (isa<ObjCSuperExpr>(E->getBase())) 503f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian return EmitObjCSuperPropertyGet(E, S); 5045daf570d0ce027e18ed5f9d66e6b2a14a40b720dFariborz Jahanian return CGM.getObjCRuntime(). 5051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump GenerateMessageSend(*this, Exp->getType(), S, 5061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump EmitScalarExpr(E->getBase()), 507c6cd5fd3eae71f8841504a396563343cfaaf503eDavid Chisnall CallArgList()); 508b3589f44c5d295cd41de2c83f3475116835eeebdMike Stump } else { 5091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const ObjCImplicitSetterGetterRefExpr *KE = 51009105f52b1f28cbb1374c27c3c70f5517e2c465dFariborz Jahanian cast<ObjCImplicitSetterGetterRefExpr>(Exp); 511f479cea608dae347bc06c7a7279ab54fe34d47f6Daniel Dunbar Selector S = KE->getGetterMethod()->getSelector(); 5123523d4f59eb0aa1f200dcb943093ecfe75008735Fariborz Jahanian llvm::Value *Receiver; 513d2ae5aa732e8587816fd7a7be911460e337c178eFariborz Jahanian if (KE->getInterfaceDecl()) { 514d2ae5aa732e8587816fd7a7be911460e337c178eFariborz Jahanian const ObjCInterfaceDecl *OID = KE->getInterfaceDecl(); 5153523d4f59eb0aa1f200dcb943093ecfe75008735Fariborz Jahanian Receiver = CGM.getObjCRuntime().GetClass(Builder, OID); 516b3589f44c5d295cd41de2c83f3475116835eeebdMike Stump } else if (isa<ObjCSuperExpr>(KE->getBase())) 517f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian return EmitObjCSuperPropertyGet(KE, S); 5181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else 5193523d4f59eb0aa1f200dcb943093ecfe75008735Fariborz Jahanian Receiver = EmitScalarExpr(KE->getBase()); 52043f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian return CGM.getObjCRuntime(). 5211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump GenerateMessageSend(*this, Exp->getType(), S, 5221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Receiver, 523c6cd5fd3eae71f8841504a396563343cfaaf503eDavid Chisnall CallArgList(), KE->getInterfaceDecl()); 5245daf570d0ce027e18ed5f9d66e6b2a14a40b720dFariborz Jahanian } 5259c3fc703b29a31d40bcf5027dbb4784dd393804eDaniel Dunbar} 5269c3fc703b29a31d40bcf5027dbb4784dd393804eDaniel Dunbar 527f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanianvoid CodeGenFunction::EmitObjCSuperPropertySet(const Expr *Exp, 528f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian const Selector &S, 529f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian RValue Src) { 530f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian CallArgList Args; 531f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian llvm::Value *Receiver = LoadObjCSelf(); 532f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian const ObjCMethodDecl *OMD = cast<ObjCMethodDecl>(CurFuncDecl); 533f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian bool isClassMessage = OMD->isClassMethod(); 534f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian bool isCategoryImpl = isa<ObjCCategoryImplDecl>(OMD->getDeclContext()); 535f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian Args.push_back(std::make_pair(Src, Exp->getType())); 5361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CGM.getObjCRuntime().GenerateMessageSendSuper(*this, 537f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian Exp->getType(), 538f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian S, 539f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian OMD->getClassInterface(), 540f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian isCategoryImpl, 541f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian Receiver, 542f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian isClassMessage, 543f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian Args); 544f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian return; 545f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian} 546f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian 54743f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanianvoid CodeGenFunction::EmitObjCPropertySet(const Expr *Exp, 54885c59edda02df48fae8dc85049743319bc6e7e89Daniel Dunbar RValue Src) { 54943f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian // FIXME: Split it into two separate routines. 55043f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian if (const ObjCPropertyRefExpr *E = dyn_cast<ObjCPropertyRefExpr>(Exp)) { 55143f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian Selector S = E->getProperty()->getSetterName(); 552f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian if (isa<ObjCSuperExpr>(E->getBase())) { 553f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian EmitObjCSuperPropertySet(E, S, Src); 554f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian return; 5551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 55643f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian CallArgList Args; 55743f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian Args.push_back(std::make_pair(Src, E->getType())); 5581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CGM.getObjCRuntime().GenerateMessageSend(*this, getContext().VoidTy, S, 5591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump EmitScalarExpr(E->getBase()), 560c6cd5fd3eae71f8841504a396563343cfaaf503eDavid Chisnall Args); 5611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } else if (const ObjCImplicitSetterGetterRefExpr *E = 56209105f52b1f28cbb1374c27c3c70f5517e2c465dFariborz Jahanian dyn_cast<ObjCImplicitSetterGetterRefExpr>(Exp)) { 56343f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian Selector S = E->getSetterMethod()->getSelector(); 56443f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian CallArgList Args; 5653523d4f59eb0aa1f200dcb943093ecfe75008735Fariborz Jahanian llvm::Value *Receiver; 566d2ae5aa732e8587816fd7a7be911460e337c178eFariborz Jahanian if (E->getInterfaceDecl()) { 567d2ae5aa732e8587816fd7a7be911460e337c178eFariborz Jahanian const ObjCInterfaceDecl *OID = E->getInterfaceDecl(); 5683523d4f59eb0aa1f200dcb943093ecfe75008735Fariborz Jahanian Receiver = CGM.getObjCRuntime().GetClass(Builder, OID); 569b3589f44c5d295cd41de2c83f3475116835eeebdMike Stump } else if (isa<ObjCSuperExpr>(E->getBase())) { 570f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian EmitObjCSuperPropertySet(E, S, Src); 5718e5d23236ad05f9b18114d5486b3a3aeadf42e00Fariborz Jahanian return; 572b3589f44c5d295cd41de2c83f3475116835eeebdMike Stump } else 5733523d4f59eb0aa1f200dcb943093ecfe75008735Fariborz Jahanian Receiver = EmitScalarExpr(E->getBase()); 57443f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian Args.push_back(std::make_pair(Src, E->getType())); 5751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CGM.getObjCRuntime().GenerateMessageSend(*this, getContext().VoidTy, S, 5761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Receiver, 577c6cd5fd3eae71f8841504a396563343cfaaf503eDavid Chisnall Args, E->getInterfaceDecl()); 578b3589f44c5d295cd41de2c83f3475116835eeebdMike Stump } else 57943f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian assert (0 && "bad expression node in EmitObjCPropertySet"); 58085c59edda02df48fae8dc85049743319bc6e7e89Daniel Dunbar} 58185c59edda02df48fae8dc85049743319bc6e7e89Daniel Dunbar 58274391b48b4791cded373683a3baf67314f358d50Chris Lattnervoid CodeGenFunction::EmitObjCForCollectionStmt(const ObjCForCollectionStmt &S){ 5831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Constant *EnumerationMutationFn = 584c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar CGM.getObjCRuntime().EnumerationMutationFunction(); 585f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson llvm::Value *DeclAddress; 586f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson QualType ElementTy; 5871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 588c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar if (!EnumerationMutationFn) { 589c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar CGM.ErrorUnsupported(&S, "Obj-C fast enumeration for this runtime"); 590c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar return; 591c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar } 592c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar 593f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson if (const DeclStmt *SD = dyn_cast<DeclStmt>(S.getElement())) { 594f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson EmitStmt(SD); 595a448fb2da03ece39978784793eea68760e8205a1Daniel Dunbar assert(HaveInsertPoint() && "DeclStmt destroyed insert point!"); 5967e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner const Decl* D = SD->getSingleDecl(); 59739741cecde917affbcbdfb2942ff1a9eae8f3488Ted Kremenek ElementTy = cast<ValueDecl>(D)->getType(); 5981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclAddress = LocalDeclMap[D]; 599f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson } else { 600f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson ElementTy = cast<Expr>(S.getElement())->getType(); 601f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson DeclAddress = 0; 602f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson } 6031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 604f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // Fast enumeration state. 605f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson QualType StateTy = getContext().getObjCFastEnumerationStateType(); 606195337d2e5d4625ae9dc1328c7cdbc7115b0261bDaniel Dunbar llvm::Value *StatePtr = CreateMemTemp(StateTy, "state.ptr"); 6072abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson EmitMemSetToZero(StatePtr, StateTy); 6081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 609f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // Number of elements in the items array. 6102abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson static const unsigned NumItems = 16; 6111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 612f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // Get selector 613ad4688669579d5d7b025137a095be66936d7ea31Benjamin Kramer IdentifierInfo *II[] = { 614ad4688669579d5d7b025137a095be66936d7ea31Benjamin Kramer &CGM.getContext().Idents.get("countByEnumeratingWithState"), 615ad4688669579d5d7b025137a095be66936d7ea31Benjamin Kramer &CGM.getContext().Idents.get("objects"), 616ad4688669579d5d7b025137a095be66936d7ea31Benjamin Kramer &CGM.getContext().Idents.get("count") 617ad4688669579d5d7b025137a095be66936d7ea31Benjamin Kramer }; 618ad4688669579d5d7b025137a095be66936d7ea31Benjamin Kramer Selector FastEnumSel = 619ad4688669579d5d7b025137a095be66936d7ea31Benjamin Kramer CGM.getContext().Selectors.getSelector(llvm::array_lengthof(II), &II[0]); 620f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 621f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson QualType ItemsTy = 622f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson getContext().getConstantArrayType(getContext().getObjCIdType(), 6231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::APInt(32, NumItems), 624f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson ArrayType::Normal, 0); 625195337d2e5d4625ae9dc1328c7cdbc7115b0261bDaniel Dunbar llvm::Value *ItemsPtr = CreateMemTemp(ItemsTy, "items.ptr"); 6261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 627f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson llvm::Value *Collection = EmitScalarExpr(S.getCollection()); 6281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 629f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson CallArgList Args; 6301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Args.push_back(std::make_pair(RValue::get(StatePtr), 631f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson getContext().getPointerType(StateTy))); 6321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Args.push_back(std::make_pair(RValue::get(ItemsPtr), 634f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson getContext().getPointerType(ItemsTy))); 6351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 636f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson const llvm::Type *UnsignedLongLTy = ConvertType(getContext().UnsignedLongTy); 6374a28d5deeba33722aa009eab488591fb9055cc7eOwen Anderson llvm::Constant *Count = llvm::ConstantInt::get(UnsignedLongLTy, NumItems); 6381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Args.push_back(std::make_pair(RValue::get(Count), 63946f45b9bec4a265ad8400a538e5ec3a5683617f1Daniel Dunbar getContext().UnsignedLongTy)); 6401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump RValue CountRV = 6421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CGM.getObjCRuntime().GenerateMessageSend(*this, 643f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson getContext().UnsignedLongTy, 644f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson FastEnumSel, 645c6cd5fd3eae71f8841504a396563343cfaaf503eDavid Chisnall Collection, Args); 646f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 647195337d2e5d4625ae9dc1328c7cdbc7115b0261bDaniel Dunbar llvm::Value *LimitPtr = CreateMemTemp(getContext().UnsignedLongTy, 648195337d2e5d4625ae9dc1328c7cdbc7115b0261bDaniel Dunbar "limit.ptr"); 649f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Builder.CreateStore(CountRV.getScalarVal(), LimitPtr); 6501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 65155e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar llvm::BasicBlock *NoElements = createBasicBlock("noelements"); 65255e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar llvm::BasicBlock *SetStartMutations = createBasicBlock("setstartmutations"); 6531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 654f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson llvm::Value *Limit = Builder.CreateLoad(LimitPtr); 655c9c88b4159791c48e486ca94e3743b5979e2b7a6Owen Anderson llvm::Value *Zero = llvm::Constant::getNullValue(UnsignedLongLTy); 656f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 657f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson llvm::Value *IsZero = Builder.CreateICmpEQ(Limit, Zero, "iszero"); 6582abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson Builder.CreateCondBr(IsZero, NoElements, SetStartMutations); 659f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 6602abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson EmitBlock(SetStartMutations); 6611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 662195337d2e5d4625ae9dc1328c7cdbc7115b0261bDaniel Dunbar llvm::Value *StartMutationsPtr = CreateMemTemp(getContext().UnsignedLongTy); 6631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *StateMutationsPtrPtr = 6652abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson Builder.CreateStructGEP(StatePtr, 2, "mutationsptr.ptr"); 6661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *StateMutationsPtr = Builder.CreateLoad(StateMutationsPtrPtr, 6672abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson "mutationsptr"); 6681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *StateMutations = Builder.CreateLoad(StateMutationsPtr, 6702abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson "mutations"); 6711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6722abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson Builder.CreateStore(StateMutations, StartMutationsPtr); 6731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 67455e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar llvm::BasicBlock *LoopStart = createBasicBlock("loopstart"); 675f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson EmitBlock(LoopStart); 676f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 677195337d2e5d4625ae9dc1328c7cdbc7115b0261bDaniel Dunbar llvm::Value *CounterPtr = CreateMemTemp(getContext().UnsignedLongTy, 678195337d2e5d4625ae9dc1328c7cdbc7115b0261bDaniel Dunbar "counter.ptr"); 679f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Builder.CreateStore(Zero, CounterPtr); 6801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::BasicBlock *LoopBody = createBasicBlock("loopbody"); 682f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson EmitBlock(LoopBody); 683f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 6842abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson StateMutationsPtr = Builder.CreateLoad(StateMutationsPtrPtr, "mutationsptr"); 6852abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson StateMutations = Builder.CreateLoad(StateMutationsPtr, "statemutations"); 6862abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson 6871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *StartMutations = Builder.CreateLoad(StartMutationsPtr, 6882abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson "mutations"); 6891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *MutationsEqual = Builder.CreateICmpEQ(StateMutations, 6902abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson StartMutations, 6912abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson "tobool"); 6921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 69455e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar llvm::BasicBlock *WasMutated = createBasicBlock("wasmutated"); 69555e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar llvm::BasicBlock *WasNotMutated = createBasicBlock("wasnotmutated"); 6961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6972abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson Builder.CreateCondBr(MutationsEqual, WasNotMutated, WasMutated); 6981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6992abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson EmitBlock(WasMutated); 7002abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson llvm::Value *V = 7011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Builder.CreateBitCast(Collection, 7022abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson ConvertType(getContext().getObjCIdType()), 7032abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson "tmp"); 7042b2105e92fc77016992dae3f117f526e73af5ea9Daniel Dunbar CallArgList Args2; 7051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Args2.push_back(std::make_pair(RValue::get(V), 7062b2105e92fc77016992dae3f117f526e73af5ea9Daniel Dunbar getContext().getObjCIdType())); 707f5408fe484495ee4efbdd709c8a2c2fdbbbdb328Mike Stump // FIXME: We shouldn't need to get the function info here, the runtime already 708f5408fe484495ee4efbdd709c8a2c2fdbbbdb328Mike Stump // should have computed it to build the function. 70904a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall EmitCall(CGM.getTypes().getFunctionInfo(getContext().VoidTy, Args2, 710264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo()), 711f3c47c9525153aea2de0ec4bd615b9cf2d81c103Anders Carlsson EnumerationMutationFn, ReturnValueSlot(), Args2); 7121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7132abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson EmitBlock(WasNotMutated); 7141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *StateItemsPtr = 716f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Builder.CreateStructGEP(StatePtr, 1, "stateitems.ptr"); 717f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 718f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson llvm::Value *Counter = Builder.CreateLoad(CounterPtr, "counter"); 719f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 720f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson llvm::Value *EnumStateItems = Builder.CreateLoad(StateItemsPtr, 721f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson "stateitems"); 722f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 7231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *CurrentItemPtr = 724f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Builder.CreateGEP(EnumStateItems, Counter, "currentitem.ptr"); 7251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 726f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson llvm::Value *CurrentItem = Builder.CreateLoad(CurrentItemPtr, "currentitem"); 7271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 728f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // Cast the item to the right type. 729f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson CurrentItem = Builder.CreateBitCast(CurrentItem, 730f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson ConvertType(ElementTy), "tmp"); 7311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 732f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson if (!DeclAddress) { 733f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson LValue LV = EmitLValue(cast<Expr>(S.getElement())); 7341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 735f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // Set the value to null. 736f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Builder.CreateStore(CurrentItem, LV.getAddress()); 737f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson } else 738f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Builder.CreateStore(CurrentItem, DeclAddress); 7391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 740f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // Increment the counter. 7411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Counter = Builder.CreateAdd(Counter, 7424a28d5deeba33722aa009eab488591fb9055cc7eOwen Anderson llvm::ConstantInt::get(UnsignedLongLTy, 1)); 743f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Builder.CreateStore(Counter, CounterPtr); 7441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 74555e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar llvm::BasicBlock *LoopEnd = createBasicBlock("loopend"); 74655e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar llvm::BasicBlock *AfterBody = createBasicBlock("afterbody"); 7471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 748e4b6d342c29d5cb9d311756100df1603810fa892Anders Carlsson BreakContinueStack.push_back(BreakContinue(LoopEnd, AfterBody)); 749f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 750f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson EmitStmt(S.getBody()); 7511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 752f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson BreakContinueStack.pop_back(); 7531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 754f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson EmitBlock(AfterBody); 7551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 75655e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar llvm::BasicBlock *FetchMore = createBasicBlock("fetchmore"); 757f0906c4edb37b20141428ca77fa7dfd00b976eafFariborz Jahanian 758f0906c4edb37b20141428ca77fa7dfd00b976eafFariborz Jahanian Counter = Builder.CreateLoad(CounterPtr); 759f0906c4edb37b20141428ca77fa7dfd00b976eafFariborz Jahanian Limit = Builder.CreateLoad(LimitPtr); 760f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson llvm::Value *IsLess = Builder.CreateICmpULT(Counter, Limit, "isless"); 761fe2b2c08984f861f82339138302689480c658ecdDaniel Dunbar Builder.CreateCondBr(IsLess, LoopBody, FetchMore); 762f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 763f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // Fetch more elements. 764f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson EmitBlock(FetchMore); 7651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CountRV = 7671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CGM.getObjCRuntime().GenerateMessageSend(*this, 768f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson getContext().UnsignedLongTy, 7691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FastEnumSel, 770c6cd5fd3eae71f8841504a396563343cfaaf503eDavid Chisnall Collection, Args); 771f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Builder.CreateStore(CountRV.getScalarVal(), LimitPtr); 772f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Limit = Builder.CreateLoad(LimitPtr); 7731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 774f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson IsZero = Builder.CreateICmpEQ(Limit, Zero, "iszero"); 775f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Builder.CreateCondBr(IsZero, NoElements, LoopStart); 7761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 777f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // No more elements. 778f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson EmitBlock(NoElements); 779f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 780f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson if (!DeclAddress) { 781f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // If the element was not a declaration, set it to be null. 782f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 783f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson LValue LV = EmitLValue(cast<Expr>(S.getElement())); 7841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 785f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // Set the value to null. 786c9c88b4159791c48e486ca94e3743b5979e2b7a6Owen Anderson Builder.CreateStore(llvm::Constant::getNullValue(ConvertType(ElementTy)), 787f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson LV.getAddress()); 788f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson } 789f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 790f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson EmitBlock(LoopEnd); 7913d8400d9a61aa4b63ff35e5cede405b32a41425eAnders Carlsson} 7923d8400d9a61aa4b63ff35e5cede405b32a41425eAnders Carlsson 7931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid CodeGenFunction::EmitObjCAtTryStmt(const ObjCAtTryStmt &S) { 794bd71be4683c195260d5245118b1e13e6b2e20504Fariborz Jahanian CGM.getObjCRuntime().EmitTryOrSynchronizedStmt(*this, S); 79564d5d6c5903157c521af496479d06dc26032d718Anders Carlsson} 79664d5d6c5903157c521af496479d06dc26032d718Anders Carlsson 7971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid CodeGenFunction::EmitObjCAtThrowStmt(const ObjCAtThrowStmt &S) { 79864d5d6c5903157c521af496479d06dc26032d718Anders Carlsson CGM.getObjCRuntime().EmitThrowStmt(*this, S); 79964d5d6c5903157c521af496479d06dc26032d718Anders Carlsson} 80064d5d6c5903157c521af496479d06dc26032d718Anders Carlsson 80110cac6f7115b59a466bb8d2d51cdddeb38aadc37Chris Lattnervoid CodeGenFunction::EmitObjCAtSynchronizedStmt( 8021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const ObjCAtSynchronizedStmt &S) { 803bd71be4683c195260d5245118b1e13e6b2e20504Fariborz Jahanian CGM.getObjCRuntime().EmitTryOrSynchronizedStmt(*this, S); 80410cac6f7115b59a466bb8d2d51cdddeb38aadc37Chris Lattner} 80510cac6f7115b59a466bb8d2d51cdddeb38aadc37Chris Lattner 8062979ec73b4f974d85f2ce84167712177a44c6f09Ted KremenekCGObjCRuntime::~CGObjCRuntime() {} 807