CGObjC.cpp revision f1549f66a8216a78112286e3978cea2c29d6334c
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 50ef072fd2f3347cfd857d6eb787b245b950771430John McCallRValue CodeGenFunction::EmitObjCMessageExpr(const ObjCMessageExpr *E, 51ef072fd2f3347cfd857d6eb787b245b950771430John McCall ReturnValueSlot Return) { 528fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner // Only the lookup mechanism and first two arguments of the method 538fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner // implementation vary between runtimes. We can get the receiver and 548fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner // arguments in generic code. 551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 56208ff5e8a073de2a5d15cbe03cab8a4c0d935e28Daniel Dunbar CGObjCRuntime &Runtime = CGM.getObjCRuntime(); 578fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner bool isSuperMessage = false; 58f56f1913e91ad32bed52dd3f6afc26735d336584Daniel Dunbar bool isClassMessage = false; 59c6cd5fd3eae71f8841504a396563343cfaaf503eDavid Chisnall ObjCInterfaceDecl *OID = 0; 608fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner // Find the receiver 610b647a6ea18151149d624ab373e6fe0e819e4a9aDaniel Dunbar llvm::Value *Receiver = 0; 6204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor switch (E->getReceiverKind()) { 6304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor case ObjCMessageExpr::Instance: 6404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Receiver = EmitScalarExpr(E->getInstanceReceiver()); 6504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor break; 661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor case ObjCMessageExpr::Class: { 683031c63f7b5b09d5f64609fa7a1922a05b520fa7John McCall const ObjCObjectType *ObjTy 693031c63f7b5b09d5f64609fa7a1922a05b520fa7John McCall = E->getClassReceiver()->getAs<ObjCObjectType>(); 703031c63f7b5b09d5f64609fa7a1922a05b520fa7John McCall assert(ObjTy && "Invalid Objective-C class message send"); 713031c63f7b5b09d5f64609fa7a1922a05b520fa7John McCall OID = ObjTy->getInterface(); 723031c63f7b5b09d5f64609fa7a1922a05b520fa7John McCall assert(OID && "Invalid Objective-C class message send"); 73c6cd5fd3eae71f8841504a396563343cfaaf503eDavid Chisnall Receiver = Runtime.GetClass(Builder, OID); 74f56f1913e91ad32bed52dd3f6afc26735d336584Daniel Dunbar isClassMessage = true; 7504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor break; 7604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor } 7704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 7804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor case ObjCMessageExpr::SuperInstance: 7904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Receiver = LoadObjCSelf(); 808fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner isSuperMessage = true; 8104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor break; 8204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 8304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor case ObjCMessageExpr::SuperClass: 848fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner Receiver = LoadObjCSelf(); 8504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor isSuperMessage = true; 8604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor isClassMessage = true; 8704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor break; 888fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner } 898fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner 9019cd87eb5fb3c197e631ce08fd52c446c4d4e8f1Daniel Dunbar CallArgList Args; 91131038e2125d98f1be0d9cb62561a7cede41bb44Anders Carlsson EmitCallArgs(Args, E->getMethodDecl(), E->arg_begin(), E->arg_end()); 921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 937e70fb217dcdf96faf34df3e197c3831c86f8089Anders Carlsson QualType ResultType = 947e70fb217dcdf96faf34df3e197c3831c86f8089Anders Carlsson E->getMethodDecl() ? E->getMethodDecl()->getResultType() : E->getType(); 957e70fb217dcdf96faf34df3e197c3831c86f8089Anders Carlsson 968fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner if (isSuperMessage) { 979384c768e93f270118a30ce96546083a666da284Chris Lattner // super is only valid in an Objective-C method 989384c768e93f270118a30ce96546083a666da284Chris Lattner const ObjCMethodDecl *OMD = cast<ObjCMethodDecl>(CurFuncDecl); 997ce77920a35060f1c8dd72e541e42ce296ccd168Fariborz Jahanian bool isCategoryImpl = isa<ObjCCategoryImplDecl>(OMD->getDeclContext()); 1007e70fb217dcdf96faf34df3e197c3831c86f8089Anders Carlsson return Runtime.GenerateMessageSendSuper(*this, Return, ResultType, 1017f8ea5c5b3a6a4332a841eefdd86b0726722ea7bDaniel Dunbar E->getSelector(), 102f56f1913e91ad32bed52dd3f6afc26735d336584Daniel Dunbar OMD->getClassInterface(), 1037ce77920a35060f1c8dd72e541e42ce296ccd168Fariborz Jahanian isCategoryImpl, 104f56f1913e91ad32bed52dd3f6afc26735d336584Daniel Dunbar Receiver, 10519cd87eb5fb3c197e631ce08fd52c446c4d4e8f1Daniel Dunbar isClassMessage, 106d6c93d703541c992e06eb9a59a2d826a30da65b2Daniel Dunbar Args, 107d6c93d703541c992e06eb9a59a2d826a30da65b2Daniel Dunbar E->getMethodDecl()); 1088fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner } 109d6c93d703541c992e06eb9a59a2d826a30da65b2Daniel Dunbar 1107e70fb217dcdf96faf34df3e197c3831c86f8089Anders Carlsson return Runtime.GenerateMessageSend(*this, Return, ResultType, 111ef072fd2f3347cfd857d6eb787b245b950771430John McCall E->getSelector(), 112c6cd5fd3eae71f8841504a396563343cfaaf503eDavid Chisnall Receiver, Args, OID, 113df9ccc6381314ccca6407abb209155e9273a631dFariborz Jahanian E->getMethodDecl()); 1145508518a2702b00be3b15a26d772bde968972f54Anders Carlsson} 1155508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 116af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar/// StartObjCMethod - Begin emission of an ObjCMethod. This generates 117af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar/// the LLVM function and sets the other context used by 118af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar/// CodeGenFunction. 119679a502d462ef819e6175b58e255ca3f3391e7cfFariborz Jahanianvoid CodeGenFunction::StartObjCMethod(const ObjCMethodDecl *OMD, 120679a502d462ef819e6175b58e255ca3f3391e7cfFariborz Jahanian const ObjCContainerDecl *CD) { 1217c086516f3cc9fba2733b1919973206c6ba4b171Daniel Dunbar FunctionArgList Args; 1224800ea6ff8017cf803c32a5fd63b94c0614014e3Devang Patel // Check if we should generate debug info for this method. 1234800ea6ff8017cf803c32a5fd63b94c0614014e3Devang Patel if (CGM.getDebugInfo() && !OMD->hasAttr<NoDebugAttr>()) 1244800ea6ff8017cf803c32a5fd63b94c0614014e3Devang Patel DebugInfo = CGM.getDebugInfo(); 1254800ea6ff8017cf803c32a5fd63b94c0614014e3Devang Patel 126679a502d462ef819e6175b58e255ca3f3391e7cfFariborz Jahanian llvm::Function *Fn = CGM.getObjCRuntime().GenerateMethod(OMD, CD); 127f80519b919a348db004fba18530706314d1ebfb5Daniel Dunbar 1280e4f40e1bbc4dce16bbb9870300a435419f1b3d5Daniel Dunbar const CGFunctionInfo &FI = CGM.getTypes().getFunctionInfo(OMD); 1290e4f40e1bbc4dce16bbb9870300a435419f1b3d5Daniel Dunbar CGM.SetInternalFunctionAttributes(OMD, Fn, FI); 1304111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner 1311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Args.push_back(std::make_pair(OMD->getSelfDecl(), 1327c086516f3cc9fba2733b1919973206c6ba4b171Daniel Dunbar OMD->getSelfDecl()->getType())); 1337c086516f3cc9fba2733b1919973206c6ba4b171Daniel Dunbar Args.push_back(std::make_pair(OMD->getCmdDecl(), 1347c086516f3cc9fba2733b1919973206c6ba4b171Daniel Dunbar OMD->getCmdDecl()->getType())); 1354111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner 13689951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = OMD->param_begin(), 13789951a86b594513c2a013532ed45d197413b1087Chris Lattner E = OMD->param_end(); PI != E; ++PI) 13889951a86b594513c2a013532ed45d197413b1087Chris Lattner Args.push_back(std::make_pair(*PI, (*PI)->getType())); 139b7ec246872b412f0e7bb9e93eacfd78cfa6adfb3Daniel Dunbar 140a92d613a1a3881fb5002ce99e5721056161bcd28Devang Patel StartFunction(OMD, OMD->getResultType(), Fn, Args, OMD->getLocStart()); 141af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar} 142af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar 143af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar/// Generate an Objective-C method. An Objective-C method is a C function with 1441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// its pointer, name, and types registered in the class struture. 145af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbarvoid CodeGenFunction::GenerateObjCMethod(const ObjCMethodDecl *OMD) { 146679a502d462ef819e6175b58e255ca3f3391e7cfFariborz Jahanian StartObjCMethod(OMD, OMD->getClassInterface()); 1476fb0aee4f9dc261bbec72e1283ad8dc0557a6d96Argyrios Kyrtzidis EmitStmt(OMD->getBody()); 1486fb0aee4f9dc261bbec72e1283ad8dc0557a6d96Argyrios Kyrtzidis FinishFunction(OMD->getBodyRBrace()); 149af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar} 150af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar 151f5408fe484495ee4efbdd709c8a2c2fdbbbdb328Mike Stump// FIXME: I wasn't sure about the synthesis approach. If we end up generating an 152f5408fe484495ee4efbdd709c8a2c2fdbbbdb328Mike Stump// AST for the whole body we can just fall back to having a GenerateFunction 153f5408fe484495ee4efbdd709c8a2c2fdbbbdb328Mike Stump// which takes the body Stmt. 154af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar 155af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar/// GenerateObjCGetter - Generate an Objective-C property getter 156489034cf8bde09360e0089f401b2929597b125d8Steve Naroff/// function. The given Decl must be an ObjCImplementationDecl. @synthesize 157489034cf8bde09360e0089f401b2929597b125d8Steve Naroff/// is illegal within a category. 158fef30b55230064d334a669a065a1c9acdb87cdfeFariborz Jahanianvoid CodeGenFunction::GenerateObjCGetter(ObjCImplementationDecl *IMP, 159fef30b55230064d334a669a065a1c9acdb87cdfeFariborz Jahanian const ObjCPropertyImplDecl *PID) { 160c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar ObjCIvarDecl *Ivar = PID->getPropertyIvarDecl(); 161af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar const ObjCPropertyDecl *PD = PID->getPropertyDecl(); 16215bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian bool IsAtomic = 16315bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian !(PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_nonatomic); 164af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar ObjCMethodDecl *OMD = PD->getGetterMethodDecl(); 165af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar assert(OMD && "Invalid call to generate getter (empty method)"); 166679a502d462ef819e6175b58e255ca3f3391e7cfFariborz Jahanian StartObjCMethod(OMD, IMP->getClassInterface()); 16715bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian 168c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar // Determine if we should use an objc_getProperty call for 169447d7aeb9499d7ade42be7d63fa03b37b1d2fc09Fariborz Jahanian // this. Non-atomic properties are directly evaluated. 170447d7aeb9499d7ade42be7d63fa03b37b1d2fc09Fariborz Jahanian // atomic 'copy' and 'retain' properties are also directly 171447d7aeb9499d7ade42be7d63fa03b37b1d2fc09Fariborz Jahanian // evaluated in gc-only mode. 172c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar if (CGM.getLangOptions().getGCMode() != LangOptions::GCOnly && 17315bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian IsAtomic && 174447d7aeb9499d7ade42be7d63fa03b37b1d2fc09Fariborz Jahanian (PD->getSetterKind() == ObjCPropertyDecl::Copy || 175447d7aeb9499d7ade42be7d63fa03b37b1d2fc09Fariborz Jahanian PD->getSetterKind() == ObjCPropertyDecl::Retain)) { 1761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *GetPropertyFn = 177c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar CGM.getObjCRuntime().GetPropertyGetFunction(); 1781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 179c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar if (!GetPropertyFn) { 180c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar CGM.ErrorUnsupported(PID, "Obj-C getter requiring atomic copy"); 181c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar FinishFunction(); 182c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar return; 183c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar } 184c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar 185c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar // Return (ivar-type) objc_getProperty((id) self, _cmd, offset, true). 186c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar // FIXME: Can't this be simpler? This might even be worse than the 187c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar // corresponding gcc code. 188c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar CodeGenTypes &Types = CGM.getTypes(); 189c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar ValueDecl *Cmd = OMD->getCmdDecl(); 190c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar llvm::Value *CmdVal = Builder.CreateLoad(LocalDeclMap[Cmd], "cmd"); 191c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar QualType IdTy = getContext().getObjCIdType(); 1921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *SelfAsId = 193c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar Builder.CreateBitCast(LoadObjCSelf(), Types.ConvertType(IdTy)); 194fef30b55230064d334a669a065a1c9acdb87cdfeFariborz Jahanian llvm::Value *Offset = EmitIvarOffset(IMP->getClassInterface(), Ivar); 195c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar llvm::Value *True = 1964a28d5deeba33722aa009eab488591fb9055cc7eOwen Anderson llvm::ConstantInt::get(Types.ConvertType(getContext().BoolTy), 1); 197c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar CallArgList Args; 198c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar Args.push_back(std::make_pair(RValue::get(SelfAsId), IdTy)); 199c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar Args.push_back(std::make_pair(RValue::get(CmdVal), Cmd->getType())); 200c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar Args.push_back(std::make_pair(RValue::get(Offset), getContext().LongTy)); 201c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar Args.push_back(std::make_pair(RValue::get(True), getContext().BoolTy)); 202e4be5a66072f7c7618071284c8d2a9c6d8e691cfDaniel Dunbar // FIXME: We shouldn't need to get the function info here, the 203e4be5a66072f7c7618071284c8d2a9c6d8e691cfDaniel Dunbar // runtime already should have computed it to build the function. 20404a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall RValue RV = EmitCall(Types.getFunctionInfo(PD->getType(), Args, 205264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo()), 206f3c47c9525153aea2de0ec4bd615b9cf2d81c103Anders Carlsson GetPropertyFn, ReturnValueSlot(), Args); 207c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar // We need to fix the type here. Ivars with copy & retain are 208c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar // always objects so we don't need to worry about complex or 209c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar // aggregates. 2101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump RV = RValue::get(Builder.CreateBitCast(RV.getScalarVal(), 211c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar Types.ConvertType(PD->getType()))); 212c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar EmitReturnOfRValue(RV, PD->getType()); 213c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar } else { 2141b23fe61cf4437668280212d0ad6cb7196f51529Fariborz Jahanian if (Ivar->getType()->isAnyComplexType()) { 21597a73cd8e2b81f5aed9f59e07e7787e3fd3b8d00Fariborz Jahanian LValue LV = EmitLValueForIvar(TypeOfSelfObject(), LoadObjCSelf(), 21697a73cd8e2b81f5aed9f59e07e7787e3fd3b8d00Fariborz Jahanian Ivar, 0); 2171b23fe61cf4437668280212d0ad6cb7196f51529Fariborz Jahanian ComplexPairTy Pair = LoadComplexFromAddr(LV.getAddress(), 2181b23fe61cf4437668280212d0ad6cb7196f51529Fariborz Jahanian LV.isVolatileQualified()); 2191b23fe61cf4437668280212d0ad6cb7196f51529Fariborz Jahanian StoreComplexToAddr(Pair, ReturnValue, LV.isVolatileQualified()); 2201b23fe61cf4437668280212d0ad6cb7196f51529Fariborz Jahanian } 2211b23fe61cf4437668280212d0ad6cb7196f51529Fariborz Jahanian else if (hasAggregateLLVMType(Ivar->getType())) { 22215bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian bool IsStrong = false; 22315bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian if ((IsAtomic || (IsStrong = IvarTypeWithAggrGCObjects(Ivar->getType()))) 2240b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian && CurFnInfo->getReturnInfo().getKind() == ABIArgInfo::Indirect 2250b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian && CGM.getObjCRuntime().GetCopyStructFunction()) { 22697a73cd8e2b81f5aed9f59e07e7787e3fd3b8d00Fariborz Jahanian LValue LV = EmitLValueForIvar(TypeOfSelfObject(), LoadObjCSelf(), 22797a73cd8e2b81f5aed9f59e07e7787e3fd3b8d00Fariborz Jahanian Ivar, 0); 2280b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian llvm::Value *GetCopyStructFn = 2290b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian CGM.getObjCRuntime().GetCopyStructFunction(); 2300b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian CodeGenTypes &Types = CGM.getTypes(); 2310b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian // objc_copyStruct (ReturnValue, &structIvar, 2320b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian // sizeof (Type of Ivar), isAtomic, false); 2330b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian CallArgList Args; 2340b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian RValue RV = RValue::get(Builder.CreateBitCast(ReturnValue, 2350b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian Types.ConvertType(getContext().VoidPtrTy))); 2360b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian Args.push_back(std::make_pair(RV, getContext().VoidPtrTy)); 2370b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian RV = RValue::get(Builder.CreateBitCast(LV.getAddress(), 2380b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian Types.ConvertType(getContext().VoidPtrTy))); 2390b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian Args.push_back(std::make_pair(RV, getContext().VoidPtrTy)); 2400b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian // sizeof (Type of Ivar) 2410b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian uint64_t Size = getContext().getTypeSize(Ivar->getType()) / 8; 2420b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian llvm::Value *SizeVal = 2430b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian llvm::ConstantInt::get(Types.ConvertType(getContext().LongTy), Size); 2440b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian Args.push_back(std::make_pair(RValue::get(SizeVal), 2450b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian getContext().LongTy)); 2460b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian llvm::Value *isAtomic = 24708adf327cdcbf838990915bcdaebfdaf553144b7Fariborz Jahanian llvm::ConstantInt::get(Types.ConvertType(getContext().BoolTy), 24808adf327cdcbf838990915bcdaebfdaf553144b7Fariborz Jahanian IsAtomic ? 1 : 0); 2490b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian Args.push_back(std::make_pair(RValue::get(isAtomic), 2500b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian getContext().BoolTy)); 25115bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian llvm::Value *hasStrong = 25215bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian llvm::ConstantInt::get(Types.ConvertType(getContext().BoolTy), 25315bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian IsStrong ? 1 : 0); 25415bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian Args.push_back(std::make_pair(RValue::get(hasStrong), 25515bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian getContext().BoolTy)); 2560b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian EmitCall(Types.getFunctionInfo(getContext().VoidTy, Args, 2570b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian FunctionType::ExtInfo()), 2580b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian GetCopyStructFn, ReturnValueSlot(), Args); 2590b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian } 26097a73cd8e2b81f5aed9f59e07e7787e3fd3b8d00Fariborz Jahanian else { 26197a73cd8e2b81f5aed9f59e07e7787e3fd3b8d00Fariborz Jahanian if (PID->getGetterCXXConstructor()) { 26297a73cd8e2b81f5aed9f59e07e7787e3fd3b8d00Fariborz Jahanian ReturnStmt *Stmt = 26397a73cd8e2b81f5aed9f59e07e7787e3fd3b8d00Fariborz Jahanian new (getContext()) ReturnStmt(SourceLocation(), 2645077c3876beeaed32280af88244e8050078619a8Douglas Gregor PID->getGetterCXXConstructor(), 2655077c3876beeaed32280af88244e8050078619a8Douglas Gregor 0); 26697a73cd8e2b81f5aed9f59e07e7787e3fd3b8d00Fariborz Jahanian EmitReturnStmt(*Stmt); 26797a73cd8e2b81f5aed9f59e07e7787e3fd3b8d00Fariborz Jahanian } 26897a73cd8e2b81f5aed9f59e07e7787e3fd3b8d00Fariborz Jahanian else { 26997a73cd8e2b81f5aed9f59e07e7787e3fd3b8d00Fariborz Jahanian LValue LV = EmitLValueForIvar(TypeOfSelfObject(), LoadObjCSelf(), 27097a73cd8e2b81f5aed9f59e07e7787e3fd3b8d00Fariborz Jahanian Ivar, 0); 27197a73cd8e2b81f5aed9f59e07e7787e3fd3b8d00Fariborz Jahanian EmitAggregateCopy(ReturnValue, LV.getAddress(), Ivar->getType()); 27297a73cd8e2b81f5aed9f59e07e7787e3fd3b8d00Fariborz Jahanian } 27397a73cd8e2b81f5aed9f59e07e7787e3fd3b8d00Fariborz Jahanian } 274b3589f44c5d295cd41de2c83f3475116835eeebdMike Stump } else { 27597a73cd8e2b81f5aed9f59e07e7787e3fd3b8d00Fariborz Jahanian LValue LV = EmitLValueForIvar(TypeOfSelfObject(), LoadObjCSelf(), 27697a73cd8e2b81f5aed9f59e07e7787e3fd3b8d00Fariborz Jahanian Ivar, 0); 277ed1d29d62595a83ccf6ef23eb2759d355206df2eFariborz Jahanian CodeGenTypes &Types = CGM.getTypes(); 278ed1d29d62595a83ccf6ef23eb2759d355206df2eFariborz Jahanian RValue RV = EmitLoadOfLValue(LV, Ivar->getType()); 279ed1d29d62595a83ccf6ef23eb2759d355206df2eFariborz Jahanian RV = RValue::get(Builder.CreateBitCast(RV.getScalarVal(), 2801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Types.ConvertType(PD->getType()))); 281ed1d29d62595a83ccf6ef23eb2759d355206df2eFariborz Jahanian EmitReturnOfRValue(RV, PD->getType()); 282ed1d29d62595a83ccf6ef23eb2759d355206df2eFariborz Jahanian } 283c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar } 284af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar 285af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar FinishFunction(); 286af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar} 287af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar 288af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar/// GenerateObjCSetter - Generate an Objective-C property setter 289489034cf8bde09360e0089f401b2929597b125d8Steve Naroff/// function. The given Decl must be an ObjCImplementationDecl. @synthesize 290489034cf8bde09360e0089f401b2929597b125d8Steve Naroff/// is illegal within a category. 291fef30b55230064d334a669a065a1c9acdb87cdfeFariborz Jahanianvoid CodeGenFunction::GenerateObjCSetter(ObjCImplementationDecl *IMP, 292fef30b55230064d334a669a065a1c9acdb87cdfeFariborz Jahanian const ObjCPropertyImplDecl *PID) { 29386957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar ObjCIvarDecl *Ivar = PID->getPropertyIvarDecl(); 294af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar const ObjCPropertyDecl *PD = PID->getPropertyDecl(); 295af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar ObjCMethodDecl *OMD = PD->getSetterMethodDecl(); 296af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar assert(OMD && "Invalid call to generate setter (empty method)"); 297679a502d462ef819e6175b58e255ca3f3391e7cfFariborz Jahanian StartObjCMethod(OMD, IMP->getClassInterface()); 298b7ec246872b412f0e7bb9e93eacfd78cfa6adfb3Daniel Dunbar 29986957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar bool IsCopy = PD->getSetterKind() == ObjCPropertyDecl::Copy; 3001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool IsAtomic = 30186957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar !(PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_nonatomic); 30286957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar 30386957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar // Determine if we should use an objc_setProperty call for 30486957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar // this. Properties with 'copy' semantics always use it, as do 30586957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar // non-atomic properties with 'release' semantics as long as we are 30686957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar // not in gc-only mode. 30786957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar if (IsCopy || 30886957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar (CGM.getLangOptions().getGCMode() != LangOptions::GCOnly && 30986957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar PD->getSetterKind() == ObjCPropertyDecl::Retain)) { 3101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *SetPropertyFn = 31186957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar CGM.getObjCRuntime().GetPropertySetFunction(); 3121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31386957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar if (!SetPropertyFn) { 31486957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar CGM.ErrorUnsupported(PID, "Obj-C getter requiring atomic copy"); 31586957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar FinishFunction(); 31686957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar return; 31786957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar } 3181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Emit objc_setProperty((id) self, _cmd, offset, arg, 32086957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar // <is-atomic>, <is-copy>). 32186957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar // FIXME: Can't this be simpler? This might even be worse than the 32286957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar // corresponding gcc code. 32386957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar CodeGenTypes &Types = CGM.getTypes(); 32486957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar ValueDecl *Cmd = OMD->getCmdDecl(); 32586957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar llvm::Value *CmdVal = Builder.CreateLoad(LocalDeclMap[Cmd], "cmd"); 32686957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar QualType IdTy = getContext().getObjCIdType(); 3271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *SelfAsId = 32886957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar Builder.CreateBitCast(LoadObjCSelf(), Types.ConvertType(IdTy)); 329fef30b55230064d334a669a065a1c9acdb87cdfeFariborz Jahanian llvm::Value *Offset = EmitIvarOffset(IMP->getClassInterface(), Ivar); 33089951a86b594513c2a013532ed45d197413b1087Chris Lattner llvm::Value *Arg = LocalDeclMap[*OMD->param_begin()]; 3311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *ArgAsId = 33286957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar Builder.CreateBitCast(Builder.CreateLoad(Arg, "arg"), 33386957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar Types.ConvertType(IdTy)); 33486957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar llvm::Value *True = 3354a28d5deeba33722aa009eab488591fb9055cc7eOwen Anderson llvm::ConstantInt::get(Types.ConvertType(getContext().BoolTy), 1); 33686957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar llvm::Value *False = 3374a28d5deeba33722aa009eab488591fb9055cc7eOwen Anderson llvm::ConstantInt::get(Types.ConvertType(getContext().BoolTy), 0); 33886957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar CallArgList Args; 33986957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar Args.push_back(std::make_pair(RValue::get(SelfAsId), IdTy)); 34086957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar Args.push_back(std::make_pair(RValue::get(CmdVal), Cmd->getType())); 34186957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar Args.push_back(std::make_pair(RValue::get(Offset), getContext().LongTy)); 34286957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar Args.push_back(std::make_pair(RValue::get(ArgAsId), IdTy)); 3431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Args.push_back(std::make_pair(RValue::get(IsAtomic ? True : False), 34486957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar getContext().BoolTy)); 3451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Args.push_back(std::make_pair(RValue::get(IsCopy ? True : False), 34686957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar getContext().BoolTy)); 347f5408fe484495ee4efbdd709c8a2c2fdbbbdb328Mike Stump // FIXME: We shouldn't need to get the function info here, the runtime 348f5408fe484495ee4efbdd709c8a2c2fdbbbdb328Mike Stump // already should have computed it to build the function. 34904a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall EmitCall(Types.getFunctionInfo(getContext().VoidTy, Args, 350264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo()), 351264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola SetPropertyFn, 352f3c47c9525153aea2de0ec4bd615b9cf2d81c103Anders Carlsson ReturnValueSlot(), Args); 3530b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian } else if (IsAtomic && hasAggregateLLVMType(Ivar->getType()) && 3540b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian !Ivar->getType()->isAnyComplexType() && 3550b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian IndirectObjCSetterArg(*CurFnInfo) 3560b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian && CGM.getObjCRuntime().GetCopyStructFunction()) { 3570b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian // objc_copyStruct (&structIvar, &Arg, 3580b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian // sizeof (struct something), true, false); 3590b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian llvm::Value *GetCopyStructFn = 3600b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian CGM.getObjCRuntime().GetCopyStructFunction(); 3610b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian CodeGenTypes &Types = CGM.getTypes(); 3620b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian CallArgList Args; 3630b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian LValue LV = EmitLValueForIvar(TypeOfSelfObject(), LoadObjCSelf(), Ivar, 0); 3640b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian RValue RV = RValue::get(Builder.CreateBitCast(LV.getAddress(), 3650b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian Types.ConvertType(getContext().VoidPtrTy))); 3660b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian Args.push_back(std::make_pair(RV, getContext().VoidPtrTy)); 3670b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian llvm::Value *Arg = LocalDeclMap[*OMD->param_begin()]; 3680b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian llvm::Value *ArgAsPtrTy = 3690b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian Builder.CreateBitCast(Arg, 3700b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian Types.ConvertType(getContext().VoidPtrTy)); 3710b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian RV = RValue::get(ArgAsPtrTy); 3720b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian Args.push_back(std::make_pair(RV, getContext().VoidPtrTy)); 3730b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian // sizeof (Type of Ivar) 3740b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian uint64_t Size = getContext().getTypeSize(Ivar->getType()) / 8; 3750b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian llvm::Value *SizeVal = 3760b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian llvm::ConstantInt::get(Types.ConvertType(getContext().LongTy), Size); 3770b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian Args.push_back(std::make_pair(RValue::get(SizeVal), 3780b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian getContext().LongTy)); 3790b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian llvm::Value *True = 3800b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian llvm::ConstantInt::get(Types.ConvertType(getContext().BoolTy), 1); 3810b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian Args.push_back(std::make_pair(RValue::get(True), getContext().BoolTy)); 3820b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian llvm::Value *False = 3830b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian llvm::ConstantInt::get(Types.ConvertType(getContext().BoolTy), 0); 3840b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian Args.push_back(std::make_pair(RValue::get(False), getContext().BoolTy)); 3850b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian EmitCall(Types.getFunctionInfo(getContext().VoidTy, Args, 3860b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian FunctionType::ExtInfo()), 3870b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian GetCopyStructFn, ReturnValueSlot(), Args); 38897a73cd8e2b81f5aed9f59e07e7787e3fd3b8d00Fariborz Jahanian } else if (PID->getSetterCXXAssignment()) { 38997a73cd8e2b81f5aed9f59e07e7787e3fd3b8d00Fariborz Jahanian EmitAnyExpr(PID->getSetterCXXAssignment(), (llvm::Value *)0, false, true, 39097a73cd8e2b81f5aed9f59e07e7787e3fd3b8d00Fariborz Jahanian false); 39197a73cd8e2b81f5aed9f59e07e7787e3fd3b8d00Fariborz Jahanian 39286957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar } else { 39345e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar // FIXME: Find a clean way to avoid AST node creation. 39486957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar SourceLocation Loc = PD->getLocation(); 39586957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar ValueDecl *Self = OMD->getSelfDecl(); 39686957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar ObjCIvarDecl *Ivar = PID->getPropertyIvarDecl(); 39786957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar DeclRefExpr Base(Self, Self->getType(), Loc); 39889951a86b594513c2a013532ed45d197413b1087Chris Lattner ParmVarDecl *ArgDecl = *OMD->param_begin(); 39986957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar DeclRefExpr Arg(ArgDecl, ArgDecl->getType(), Loc); 40045e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar ObjCIvarRefExpr IvarRef(Ivar, Ivar->getType(), Loc, &Base, true, true); 40145e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar 40245e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar // The property type can differ from the ivar type in some situations with 40345e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar // Objective-C pointer types, we can always bit cast the RHS in these cases. 40445e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar if (getContext().getCanonicalType(Ivar->getType()) != 40545e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar getContext().getCanonicalType(ArgDecl->getType())) { 40645e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar ImplicitCastExpr ArgCasted(Ivar->getType(), CastExpr::CK_BitCast, &Arg, 407f1b48b7014992155286d58bb1676f9f51031d18bAnders Carlsson CXXBaseSpecifierArray(), false); 40845e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar BinaryOperator Assign(&IvarRef, &ArgCasted, BinaryOperator::Assign, 40945e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar Ivar->getType(), Loc); 41045e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar EmitStmt(&Assign); 41145e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar } else { 41245e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar BinaryOperator Assign(&IvarRef, &Arg, BinaryOperator::Assign, 41345e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar Ivar->getType(), Loc); 41445e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar EmitStmt(&Assign); 41545e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar } 41686957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar } 417af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar 418af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar FinishFunction(); 4194111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner} 4204111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner 421109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanianvoid CodeGenFunction::GenerateObjCCtorDtorMethod(ObjCImplementationDecl *IMP, 422109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian ObjCMethodDecl *MD, 423109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian bool ctor) { 424109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian llvm::SmallVector<CXXBaseOrMemberInitializer *, 8> IvarInitializers; 425109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian MD->createImplicitParams(CGM.getContext(), IMP->getClassInterface()); 426109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian StartObjCMethod(MD, IMP->getClassInterface()); 427109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian for (ObjCImplementationDecl::init_const_iterator B = IMP->init_begin(), 428109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian E = IMP->init_end(); B != E; ++B) { 429109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian CXXBaseOrMemberInitializer *Member = (*B); 430109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian IvarInitializers.push_back(Member); 431109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian } 432109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian if (ctor) { 433109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian for (unsigned I = 0, E = IvarInitializers.size(); I != E; ++I) { 434109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian CXXBaseOrMemberInitializer *IvarInit = IvarInitializers[I]; 435109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian FieldDecl *Field = IvarInit->getMember(); 436109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian QualType FieldType = Field->getType(); 437109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian ObjCIvarDecl *Ivar = cast<ObjCIvarDecl>(Field); 4389b4d4fc49f30f1caa35d680702f1921afad81971Fariborz Jahanian LValue LV = EmitLValueForIvar(TypeOfSelfObject(), 4399b4d4fc49f30f1caa35d680702f1921afad81971Fariborz Jahanian LoadObjCSelf(), Ivar, 0); 440109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian EmitAggExpr(IvarInit->getInit(), LV.getAddress(), 441109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian LV.isVolatileQualified(), false, true); 442109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian } 443109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian // constructor returns 'self'. 444109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian CodeGenTypes &Types = CGM.getTypes(); 445109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian QualType IdTy(CGM.getContext().getObjCIdType()); 446109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian llvm::Value *SelfAsId = 447109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian Builder.CreateBitCast(LoadObjCSelf(), Types.ConvertType(IdTy)); 448109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian EmitReturnOfRValue(RValue::get(SelfAsId), IdTy); 449bc397cf90355f17c974b0bdf3960e8fb38caf5d6Chandler Carruth } else { 450109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian // dtor 451109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian for (size_t i = IvarInitializers.size(); i > 0; --i) { 452109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian FieldDecl *Field = IvarInitializers[i - 1]->getMember(); 453109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian QualType FieldType = Field->getType(); 4549b4d4fc49f30f1caa35d680702f1921afad81971Fariborz Jahanian const ConstantArrayType *Array = 4559b4d4fc49f30f1caa35d680702f1921afad81971Fariborz Jahanian getContext().getAsConstantArrayType(FieldType); 4569b4d4fc49f30f1caa35d680702f1921afad81971Fariborz Jahanian if (Array) 4579b4d4fc49f30f1caa35d680702f1921afad81971Fariborz Jahanian FieldType = getContext().getBaseElementType(FieldType); 4589b4d4fc49f30f1caa35d680702f1921afad81971Fariborz Jahanian 459109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian ObjCIvarDecl *Ivar = cast<ObjCIvarDecl>(Field); 460109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian LValue LV = EmitLValueForIvar(TypeOfSelfObject(), 461109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian LoadObjCSelf(), Ivar, 0); 462109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian const RecordType *RT = FieldType->getAs<RecordType>(); 463109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian CXXRecordDecl *FieldClassDecl = cast<CXXRecordDecl>(RT->getDecl()); 4641d110e05e0ff48c1c7a483d6b7fd094cdf28316aDouglas Gregor CXXDestructorDecl *Dtor = FieldClassDecl->getDestructor(); 465bc397cf90355f17c974b0bdf3960e8fb38caf5d6Chandler Carruth if (!Dtor->isTrivial()) { 4668b688ed1d56065458d9e22f813577e0dff5c488eFariborz Jahanian if (Array) { 4678b688ed1d56065458d9e22f813577e0dff5c488eFariborz Jahanian const llvm::Type *BasePtr = ConvertType(FieldType); 4688b688ed1d56065458d9e22f813577e0dff5c488eFariborz Jahanian BasePtr = llvm::PointerType::getUnqual(BasePtr); 4698b688ed1d56065458d9e22f813577e0dff5c488eFariborz Jahanian llvm::Value *BaseAddrPtr = 4708b688ed1d56065458d9e22f813577e0dff5c488eFariborz Jahanian Builder.CreateBitCast(LV.getAddress(), BasePtr); 4718b688ed1d56065458d9e22f813577e0dff5c488eFariborz Jahanian EmitCXXAggrDestructorCall(Dtor, 4728b688ed1d56065458d9e22f813577e0dff5c488eFariborz Jahanian Array, BaseAddrPtr); 473bc397cf90355f17c974b0bdf3960e8fb38caf5d6Chandler Carruth } else { 4748b688ed1d56065458d9e22f813577e0dff5c488eFariborz Jahanian EmitCXXDestructorCall(Dtor, 4758b688ed1d56065458d9e22f813577e0dff5c488eFariborz Jahanian Dtor_Complete, /*ForVirtualBase=*/false, 4768b688ed1d56065458d9e22f813577e0dff5c488eFariborz Jahanian LV.getAddress()); 477bc397cf90355f17c974b0bdf3960e8fb38caf5d6Chandler Carruth } 478bc397cf90355f17c974b0bdf3960e8fb38caf5d6Chandler Carruth } 479bc397cf90355f17c974b0bdf3960e8fb38caf5d6Chandler Carruth } 480109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian } 481109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian FinishFunction(); 482109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian} 483109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian 4840b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanianbool CodeGenFunction::IndirectObjCSetterArg(const CGFunctionInfo &FI) { 4850b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian CGFunctionInfo::const_arg_iterator it = FI.arg_begin(); 4860b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian it++; it++; 4870b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian const ABIArgInfo &AI = it->info; 4880b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian // FIXME. Is this sufficient check? 4890b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian return (AI.getKind() == ABIArgInfo::Indirect); 4900b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian} 4910b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian 49215bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanianbool CodeGenFunction::IvarTypeWithAggrGCObjects(QualType Ty) { 49315bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian if (CGM.getLangOptions().getGCMode() == LangOptions::NonGC) 49415bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian return false; 49515bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian if (const RecordType *FDTTy = Ty.getTypePtr()->getAs<RecordType>()) 49615bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian return FDTTy->getDecl()->hasObjectMember(); 49715bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian return false; 49815bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian} 49915bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian 500c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbarllvm::Value *CodeGenFunction::LoadObjCSelf() { 501b7ec246872b412f0e7bb9e93eacfd78cfa6adfb3Daniel Dunbar const ObjCMethodDecl *OMD = cast<ObjCMethodDecl>(CurFuncDecl); 502b7ec246872b412f0e7bb9e93eacfd78cfa6adfb3Daniel Dunbar return Builder.CreateLoad(LocalDeclMap[OMD->getSelfDecl()], "self"); 5034111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner} 5044111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner 50545012a7ef5abf1042c893f3f2fa5c23cb5485ea9Fariborz JahanianQualType CodeGenFunction::TypeOfSelfObject() { 50645012a7ef5abf1042c893f3f2fa5c23cb5485ea9Fariborz Jahanian const ObjCMethodDecl *OMD = cast<ObjCMethodDecl>(CurFuncDecl); 50745012a7ef5abf1042c893f3f2fa5c23cb5485ea9Fariborz Jahanian ImplicitParamDecl *selfDecl = OMD->getSelfDecl(); 50814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff const ObjCObjectPointerType *PTy = cast<ObjCObjectPointerType>( 50914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff getContext().getCanonicalType(selfDecl->getType())); 51045012a7ef5abf1042c893f3f2fa5c23cb5485ea9Fariborz Jahanian return PTy->getPointeeType(); 51145012a7ef5abf1042c893f3f2fa5c23cb5485ea9Fariborz Jahanian} 51245012a7ef5abf1042c893f3f2fa5c23cb5485ea9Fariborz Jahanian 5131eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpRValue CodeGenFunction::EmitObjCSuperPropertyGet(const Expr *Exp, 514ef072fd2f3347cfd857d6eb787b245b950771430John McCall const Selector &S, 515ef072fd2f3347cfd857d6eb787b245b950771430John McCall ReturnValueSlot Return) { 516f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian llvm::Value *Receiver = LoadObjCSelf(); 517f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian const ObjCMethodDecl *OMD = cast<ObjCMethodDecl>(CurFuncDecl); 518f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian bool isClassMessage = OMD->isClassMethod(); 519f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian bool isCategoryImpl = isa<ObjCCategoryImplDecl>(OMD->getDeclContext()); 5201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return CGM.getObjCRuntime().GenerateMessageSendSuper(*this, 521ef072fd2f3347cfd857d6eb787b245b950771430John McCall Return, 522f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian Exp->getType(), 523f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian S, 524f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian OMD->getClassInterface(), 525f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian isCategoryImpl, 526f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian Receiver, 527f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian isClassMessage, 528f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian CallArgList()); 5291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 530f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian} 531f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian 532ef072fd2f3347cfd857d6eb787b245b950771430John McCallRValue CodeGenFunction::EmitObjCPropertyGet(const Expr *Exp, 533ef072fd2f3347cfd857d6eb787b245b950771430John McCall ReturnValueSlot Return) { 534d2e1eb064cfb8d361ea1dd4f6253a4e20f24d88dFariborz Jahanian Exp = Exp->IgnoreParens(); 53543f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian // FIXME: Split it into two separate routines. 5365daf570d0ce027e18ed5f9d66e6b2a14a40b720dFariborz Jahanian if (const ObjCPropertyRefExpr *E = dyn_cast<ObjCPropertyRefExpr>(Exp)) { 5375daf570d0ce027e18ed5f9d66e6b2a14a40b720dFariborz Jahanian Selector S = E->getProperty()->getGetterName(); 538f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian if (isa<ObjCSuperExpr>(E->getBase())) 539ef072fd2f3347cfd857d6eb787b245b950771430John McCall return EmitObjCSuperPropertyGet(E, S, Return); 5405daf570d0ce027e18ed5f9d66e6b2a14a40b720dFariborz Jahanian return CGM.getObjCRuntime(). 541ef072fd2f3347cfd857d6eb787b245b950771430John McCall GenerateMessageSend(*this, Return, Exp->getType(), S, 5421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump EmitScalarExpr(E->getBase()), 543c6cd5fd3eae71f8841504a396563343cfaaf503eDavid Chisnall CallArgList()); 544b3589f44c5d295cd41de2c83f3475116835eeebdMike Stump } else { 5451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const ObjCImplicitSetterGetterRefExpr *KE = 54609105f52b1f28cbb1374c27c3c70f5517e2c465dFariborz Jahanian cast<ObjCImplicitSetterGetterRefExpr>(Exp); 547f479cea608dae347bc06c7a7279ab54fe34d47f6Daniel Dunbar Selector S = KE->getGetterMethod()->getSelector(); 5483523d4f59eb0aa1f200dcb943093ecfe75008735Fariborz Jahanian llvm::Value *Receiver; 549d2ae5aa732e8587816fd7a7be911460e337c178eFariborz Jahanian if (KE->getInterfaceDecl()) { 550d2ae5aa732e8587816fd7a7be911460e337c178eFariborz Jahanian const ObjCInterfaceDecl *OID = KE->getInterfaceDecl(); 5513523d4f59eb0aa1f200dcb943093ecfe75008735Fariborz Jahanian Receiver = CGM.getObjCRuntime().GetClass(Builder, OID); 552b3589f44c5d295cd41de2c83f3475116835eeebdMike Stump } else if (isa<ObjCSuperExpr>(KE->getBase())) 553ef072fd2f3347cfd857d6eb787b245b950771430John McCall return EmitObjCSuperPropertyGet(KE, S, Return); 5541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else 5553523d4f59eb0aa1f200dcb943093ecfe75008735Fariborz Jahanian Receiver = EmitScalarExpr(KE->getBase()); 55643f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian return CGM.getObjCRuntime(). 557ef072fd2f3347cfd857d6eb787b245b950771430John McCall GenerateMessageSend(*this, Return, Exp->getType(), S, 5581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Receiver, 559c6cd5fd3eae71f8841504a396563343cfaaf503eDavid Chisnall CallArgList(), KE->getInterfaceDecl()); 5605daf570d0ce027e18ed5f9d66e6b2a14a40b720dFariborz Jahanian } 5619c3fc703b29a31d40bcf5027dbb4784dd393804eDaniel Dunbar} 5629c3fc703b29a31d40bcf5027dbb4784dd393804eDaniel Dunbar 563f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanianvoid CodeGenFunction::EmitObjCSuperPropertySet(const Expr *Exp, 564f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian const Selector &S, 565f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian RValue Src) { 566f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian CallArgList Args; 567f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian llvm::Value *Receiver = LoadObjCSelf(); 568f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian const ObjCMethodDecl *OMD = cast<ObjCMethodDecl>(CurFuncDecl); 569f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian bool isClassMessage = OMD->isClassMethod(); 570f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian bool isCategoryImpl = isa<ObjCCategoryImplDecl>(OMD->getDeclContext()); 571f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian Args.push_back(std::make_pair(Src, Exp->getType())); 5721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CGM.getObjCRuntime().GenerateMessageSendSuper(*this, 573ef072fd2f3347cfd857d6eb787b245b950771430John McCall ReturnValueSlot(), 574f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian Exp->getType(), 575f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian S, 576f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian OMD->getClassInterface(), 577f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian isCategoryImpl, 578f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian Receiver, 579f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian isClassMessage, 580f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian Args); 581f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian return; 582f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian} 583f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian 58443f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanianvoid CodeGenFunction::EmitObjCPropertySet(const Expr *Exp, 58585c59edda02df48fae8dc85049743319bc6e7e89Daniel Dunbar RValue Src) { 58643f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian // FIXME: Split it into two separate routines. 58743f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian if (const ObjCPropertyRefExpr *E = dyn_cast<ObjCPropertyRefExpr>(Exp)) { 58843f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian Selector S = E->getProperty()->getSetterName(); 589f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian if (isa<ObjCSuperExpr>(E->getBase())) { 590f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian EmitObjCSuperPropertySet(E, S, Src); 591f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian return; 5921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 59343f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian CallArgList Args; 59443f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian Args.push_back(std::make_pair(Src, E->getType())); 595ef072fd2f3347cfd857d6eb787b245b950771430John McCall CGM.getObjCRuntime().GenerateMessageSend(*this, ReturnValueSlot(), 596ef072fd2f3347cfd857d6eb787b245b950771430John McCall getContext().VoidTy, S, 5971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump EmitScalarExpr(E->getBase()), 598c6cd5fd3eae71f8841504a396563343cfaaf503eDavid Chisnall Args); 5991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } else if (const ObjCImplicitSetterGetterRefExpr *E = 60009105f52b1f28cbb1374c27c3c70f5517e2c465dFariborz Jahanian dyn_cast<ObjCImplicitSetterGetterRefExpr>(Exp)) { 601e2a901a1883a74469bdcd22e38f52b3f877bc6caFariborz Jahanian const ObjCMethodDecl *SetterMD = E->getSetterMethod(); 602e2a901a1883a74469bdcd22e38f52b3f877bc6caFariborz Jahanian Selector S = SetterMD->getSelector(); 60343f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian CallArgList Args; 6043523d4f59eb0aa1f200dcb943093ecfe75008735Fariborz Jahanian llvm::Value *Receiver; 605d2ae5aa732e8587816fd7a7be911460e337c178eFariborz Jahanian if (E->getInterfaceDecl()) { 606d2ae5aa732e8587816fd7a7be911460e337c178eFariborz Jahanian const ObjCInterfaceDecl *OID = E->getInterfaceDecl(); 6073523d4f59eb0aa1f200dcb943093ecfe75008735Fariborz Jahanian Receiver = CGM.getObjCRuntime().GetClass(Builder, OID); 608b3589f44c5d295cd41de2c83f3475116835eeebdMike Stump } else if (isa<ObjCSuperExpr>(E->getBase())) { 609f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian EmitObjCSuperPropertySet(E, S, Src); 6108e5d23236ad05f9b18114d5486b3a3aeadf42e00Fariborz Jahanian return; 611b3589f44c5d295cd41de2c83f3475116835eeebdMike Stump } else 6123523d4f59eb0aa1f200dcb943093ecfe75008735Fariborz Jahanian Receiver = EmitScalarExpr(E->getBase()); 613e2a901a1883a74469bdcd22e38f52b3f877bc6caFariborz Jahanian ObjCMethodDecl::param_iterator P = SetterMD->param_begin(); 614e2a901a1883a74469bdcd22e38f52b3f877bc6caFariborz Jahanian Args.push_back(std::make_pair(Src, (*P)->getType())); 615ef072fd2f3347cfd857d6eb787b245b950771430John McCall CGM.getObjCRuntime().GenerateMessageSend(*this, ReturnValueSlot(), 616ef072fd2f3347cfd857d6eb787b245b950771430John McCall getContext().VoidTy, S, 6171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Receiver, 618c6cd5fd3eae71f8841504a396563343cfaaf503eDavid Chisnall Args, E->getInterfaceDecl()); 619b3589f44c5d295cd41de2c83f3475116835eeebdMike Stump } else 62043f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian assert (0 && "bad expression node in EmitObjCPropertySet"); 62185c59edda02df48fae8dc85049743319bc6e7e89Daniel Dunbar} 62285c59edda02df48fae8dc85049743319bc6e7e89Daniel Dunbar 62374391b48b4791cded373683a3baf67314f358d50Chris Lattnervoid CodeGenFunction::EmitObjCForCollectionStmt(const ObjCForCollectionStmt &S){ 6241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Constant *EnumerationMutationFn = 625c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar CGM.getObjCRuntime().EnumerationMutationFunction(); 626f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson llvm::Value *DeclAddress; 627f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson QualType ElementTy; 6281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 629c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar if (!EnumerationMutationFn) { 630c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar CGM.ErrorUnsupported(&S, "Obj-C fast enumeration for this runtime"); 631c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar return; 632c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar } 633c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar 634f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson if (const DeclStmt *SD = dyn_cast<DeclStmt>(S.getElement())) { 635f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson EmitStmt(SD); 636a448fb2da03ece39978784793eea68760e8205a1Daniel Dunbar assert(HaveInsertPoint() && "DeclStmt destroyed insert point!"); 6377e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner const Decl* D = SD->getSingleDecl(); 63839741cecde917affbcbdfb2942ff1a9eae8f3488Ted Kremenek ElementTy = cast<ValueDecl>(D)->getType(); 6391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclAddress = LocalDeclMap[D]; 640f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson } else { 641f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson ElementTy = cast<Expr>(S.getElement())->getType(); 642f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson DeclAddress = 0; 643f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson } 6441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 645f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // Fast enumeration state. 646f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson QualType StateTy = getContext().getObjCFastEnumerationStateType(); 647195337d2e5d4625ae9dc1328c7cdbc7115b0261bDaniel Dunbar llvm::Value *StatePtr = CreateMemTemp(StateTy, "state.ptr"); 6481884eb0b5c55edda4893ddec45e7dbad79758782Anders Carlsson EmitNullInitialization(StatePtr, StateTy); 6491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 650f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // Number of elements in the items array. 6512abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson static const unsigned NumItems = 16; 6521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 653f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // Get selector 654ad4688669579d5d7b025137a095be66936d7ea31Benjamin Kramer IdentifierInfo *II[] = { 655ad4688669579d5d7b025137a095be66936d7ea31Benjamin Kramer &CGM.getContext().Idents.get("countByEnumeratingWithState"), 656ad4688669579d5d7b025137a095be66936d7ea31Benjamin Kramer &CGM.getContext().Idents.get("objects"), 657ad4688669579d5d7b025137a095be66936d7ea31Benjamin Kramer &CGM.getContext().Idents.get("count") 658ad4688669579d5d7b025137a095be66936d7ea31Benjamin Kramer }; 659ad4688669579d5d7b025137a095be66936d7ea31Benjamin Kramer Selector FastEnumSel = 660ad4688669579d5d7b025137a095be66936d7ea31Benjamin Kramer CGM.getContext().Selectors.getSelector(llvm::array_lengthof(II), &II[0]); 661f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 662f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson QualType ItemsTy = 663f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson getContext().getConstantArrayType(getContext().getObjCIdType(), 6641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::APInt(32, NumItems), 665f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson ArrayType::Normal, 0); 666195337d2e5d4625ae9dc1328c7cdbc7115b0261bDaniel Dunbar llvm::Value *ItemsPtr = CreateMemTemp(ItemsTy, "items.ptr"); 6671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 668f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson llvm::Value *Collection = EmitScalarExpr(S.getCollection()); 6691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 670f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson CallArgList Args; 6711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Args.push_back(std::make_pair(RValue::get(StatePtr), 672f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson getContext().getPointerType(StateTy))); 6731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Args.push_back(std::make_pair(RValue::get(ItemsPtr), 675f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson getContext().getPointerType(ItemsTy))); 6761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 677f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson const llvm::Type *UnsignedLongLTy = ConvertType(getContext().UnsignedLongTy); 6784a28d5deeba33722aa009eab488591fb9055cc7eOwen Anderson llvm::Constant *Count = llvm::ConstantInt::get(UnsignedLongLTy, NumItems); 6791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Args.push_back(std::make_pair(RValue::get(Count), 68046f45b9bec4a265ad8400a538e5ec3a5683617f1Daniel Dunbar getContext().UnsignedLongTy)); 6811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump RValue CountRV = 683ef072fd2f3347cfd857d6eb787b245b950771430John McCall CGM.getObjCRuntime().GenerateMessageSend(*this, ReturnValueSlot(), 684f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson getContext().UnsignedLongTy, 685f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson FastEnumSel, 686c6cd5fd3eae71f8841504a396563343cfaaf503eDavid Chisnall Collection, Args); 687f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 688195337d2e5d4625ae9dc1328c7cdbc7115b0261bDaniel Dunbar llvm::Value *LimitPtr = CreateMemTemp(getContext().UnsignedLongTy, 689195337d2e5d4625ae9dc1328c7cdbc7115b0261bDaniel Dunbar "limit.ptr"); 690f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Builder.CreateStore(CountRV.getScalarVal(), LimitPtr); 6911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 69255e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar llvm::BasicBlock *NoElements = createBasicBlock("noelements"); 69355e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar llvm::BasicBlock *SetStartMutations = createBasicBlock("setstartmutations"); 6941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 695f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson llvm::Value *Limit = Builder.CreateLoad(LimitPtr); 696c9c88b4159791c48e486ca94e3743b5979e2b7a6Owen Anderson llvm::Value *Zero = llvm::Constant::getNullValue(UnsignedLongLTy); 697f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 698f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson llvm::Value *IsZero = Builder.CreateICmpEQ(Limit, Zero, "iszero"); 6992abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson Builder.CreateCondBr(IsZero, NoElements, SetStartMutations); 700f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 7012abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson EmitBlock(SetStartMutations); 7021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 703195337d2e5d4625ae9dc1328c7cdbc7115b0261bDaniel Dunbar llvm::Value *StartMutationsPtr = CreateMemTemp(getContext().UnsignedLongTy); 7041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *StateMutationsPtrPtr = 7062abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson Builder.CreateStructGEP(StatePtr, 2, "mutationsptr.ptr"); 7071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *StateMutationsPtr = Builder.CreateLoad(StateMutationsPtrPtr, 7082abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson "mutationsptr"); 7091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *StateMutations = Builder.CreateLoad(StateMutationsPtr, 7112abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson "mutations"); 7121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7132abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson Builder.CreateStore(StateMutations, StartMutationsPtr); 7141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 71555e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar llvm::BasicBlock *LoopStart = createBasicBlock("loopstart"); 716f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson EmitBlock(LoopStart); 717f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 718195337d2e5d4625ae9dc1328c7cdbc7115b0261bDaniel Dunbar llvm::Value *CounterPtr = CreateMemTemp(getContext().UnsignedLongTy, 719195337d2e5d4625ae9dc1328c7cdbc7115b0261bDaniel Dunbar "counter.ptr"); 720f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Builder.CreateStore(Zero, CounterPtr); 7211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::BasicBlock *LoopBody = createBasicBlock("loopbody"); 723f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson EmitBlock(LoopBody); 724f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 7252abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson StateMutationsPtr = Builder.CreateLoad(StateMutationsPtrPtr, "mutationsptr"); 7262abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson StateMutations = Builder.CreateLoad(StateMutationsPtr, "statemutations"); 7272abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson 7281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *StartMutations = Builder.CreateLoad(StartMutationsPtr, 7292abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson "mutations"); 7301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *MutationsEqual = Builder.CreateICmpEQ(StateMutations, 7312abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson StartMutations, 7322abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson "tobool"); 7331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 73555e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar llvm::BasicBlock *WasMutated = createBasicBlock("wasmutated"); 73655e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar llvm::BasicBlock *WasNotMutated = createBasicBlock("wasnotmutated"); 7371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7382abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson Builder.CreateCondBr(MutationsEqual, WasNotMutated, WasMutated); 7391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7402abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson EmitBlock(WasMutated); 7412abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson llvm::Value *V = 7421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Builder.CreateBitCast(Collection, 7432abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson ConvertType(getContext().getObjCIdType()), 7442abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson "tmp"); 7452b2105e92fc77016992dae3f117f526e73af5ea9Daniel Dunbar CallArgList Args2; 7461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Args2.push_back(std::make_pair(RValue::get(V), 7472b2105e92fc77016992dae3f117f526e73af5ea9Daniel Dunbar getContext().getObjCIdType())); 748f5408fe484495ee4efbdd709c8a2c2fdbbbdb328Mike Stump // FIXME: We shouldn't need to get the function info here, the runtime already 749f5408fe484495ee4efbdd709c8a2c2fdbbbdb328Mike Stump // should have computed it to build the function. 75004a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall EmitCall(CGM.getTypes().getFunctionInfo(getContext().VoidTy, Args2, 751264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo()), 752f3c47c9525153aea2de0ec4bd615b9cf2d81c103Anders Carlsson EnumerationMutationFn, ReturnValueSlot(), Args2); 7531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7542abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson EmitBlock(WasNotMutated); 7551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *StateItemsPtr = 757f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Builder.CreateStructGEP(StatePtr, 1, "stateitems.ptr"); 758f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 759f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson llvm::Value *Counter = Builder.CreateLoad(CounterPtr, "counter"); 760f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 761f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson llvm::Value *EnumStateItems = Builder.CreateLoad(StateItemsPtr, 762f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson "stateitems"); 763f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 7641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *CurrentItemPtr = 765f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Builder.CreateGEP(EnumStateItems, Counter, "currentitem.ptr"); 7661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 767f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson llvm::Value *CurrentItem = Builder.CreateLoad(CurrentItemPtr, "currentitem"); 7681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 769f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // Cast the item to the right type. 770f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson CurrentItem = Builder.CreateBitCast(CurrentItem, 771f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson ConvertType(ElementTy), "tmp"); 7721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 773f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson if (!DeclAddress) { 774f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson LValue LV = EmitLValue(cast<Expr>(S.getElement())); 7751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 776f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // Set the value to null. 777f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Builder.CreateStore(CurrentItem, LV.getAddress()); 778f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson } else 779f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Builder.CreateStore(CurrentItem, DeclAddress); 7801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 781f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // Increment the counter. 7821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Counter = Builder.CreateAdd(Counter, 7834a28d5deeba33722aa009eab488591fb9055cc7eOwen Anderson llvm::ConstantInt::get(UnsignedLongLTy, 1)); 784f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Builder.CreateStore(Counter, CounterPtr); 7851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 786f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall JumpDest LoopEnd = getJumpDestInCurrentScope("loopend"); 787f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall JumpDest AfterBody = getJumpDestInCurrentScope("afterbody"); 7881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 789e4b6d342c29d5cb9d311756100df1603810fa892Anders Carlsson BreakContinueStack.push_back(BreakContinue(LoopEnd, AfterBody)); 790f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 791f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson EmitStmt(S.getBody()); 7921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 793f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson BreakContinueStack.pop_back(); 7941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 795f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall EmitBlock(AfterBody.Block); 7961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 79755e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar llvm::BasicBlock *FetchMore = createBasicBlock("fetchmore"); 798f0906c4edb37b20141428ca77fa7dfd00b976eafFariborz Jahanian 799f0906c4edb37b20141428ca77fa7dfd00b976eafFariborz Jahanian Counter = Builder.CreateLoad(CounterPtr); 800f0906c4edb37b20141428ca77fa7dfd00b976eafFariborz Jahanian Limit = Builder.CreateLoad(LimitPtr); 801f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson llvm::Value *IsLess = Builder.CreateICmpULT(Counter, Limit, "isless"); 802fe2b2c08984f861f82339138302689480c658ecdDaniel Dunbar Builder.CreateCondBr(IsLess, LoopBody, FetchMore); 803f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 804f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // Fetch more elements. 805f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson EmitBlock(FetchMore); 8061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CountRV = 808ef072fd2f3347cfd857d6eb787b245b950771430John McCall CGM.getObjCRuntime().GenerateMessageSend(*this, ReturnValueSlot(), 809f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson getContext().UnsignedLongTy, 8101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FastEnumSel, 811c6cd5fd3eae71f8841504a396563343cfaaf503eDavid Chisnall Collection, Args); 812f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Builder.CreateStore(CountRV.getScalarVal(), LimitPtr); 813f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Limit = Builder.CreateLoad(LimitPtr); 8141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 815f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson IsZero = Builder.CreateICmpEQ(Limit, Zero, "iszero"); 816f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Builder.CreateCondBr(IsZero, NoElements, LoopStart); 8171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 818f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // No more elements. 819f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson EmitBlock(NoElements); 820f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 821f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson if (!DeclAddress) { 822f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // If the element was not a declaration, set it to be null. 823f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 824f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson LValue LV = EmitLValue(cast<Expr>(S.getElement())); 8251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 826f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // Set the value to null. 827c9c88b4159791c48e486ca94e3743b5979e2b7a6Owen Anderson Builder.CreateStore(llvm::Constant::getNullValue(ConvertType(ElementTy)), 828f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson LV.getAddress()); 829f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson } 830f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 831f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall EmitBlock(LoopEnd.Block); 8323d8400d9a61aa4b63ff35e5cede405b32a41425eAnders Carlsson} 8333d8400d9a61aa4b63ff35e5cede405b32a41425eAnders Carlsson 8341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid CodeGenFunction::EmitObjCAtTryStmt(const ObjCAtTryStmt &S) { 835f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall CGM.getObjCRuntime().EmitTryStmt(*this, S); 83664d5d6c5903157c521af496479d06dc26032d718Anders Carlsson} 83764d5d6c5903157c521af496479d06dc26032d718Anders Carlsson 8381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid CodeGenFunction::EmitObjCAtThrowStmt(const ObjCAtThrowStmt &S) { 83964d5d6c5903157c521af496479d06dc26032d718Anders Carlsson CGM.getObjCRuntime().EmitThrowStmt(*this, S); 84064d5d6c5903157c521af496479d06dc26032d718Anders Carlsson} 84164d5d6c5903157c521af496479d06dc26032d718Anders Carlsson 84210cac6f7115b59a466bb8d2d51cdddeb38aadc37Chris Lattnervoid CodeGenFunction::EmitObjCAtSynchronizedStmt( 8431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const ObjCAtSynchronizedStmt &S) { 844f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall CGM.getObjCRuntime().EmitSynchronizedStmt(*this, S); 84510cac6f7115b59a466bb8d2d51cdddeb38aadc37Chris Lattner} 84610cac6f7115b59a466bb8d2d51cdddeb38aadc37Chris Lattner 8472979ec73b4f974d85f2ce84167712177a44c6f09Ted KremenekCGObjCRuntime::~CGObjCRuntime() {} 848f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall 849f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall 850