CGObjC.cpp revision 1884eb0b5c55edda4893ddec45e7dbad79758782
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 938fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner if (isSuperMessage) { 949384c768e93f270118a30ce96546083a666da284Chris Lattner // super is only valid in an Objective-C method 959384c768e93f270118a30ce96546083a666da284Chris Lattner const ObjCMethodDecl *OMD = cast<ObjCMethodDecl>(CurFuncDecl); 967ce77920a35060f1c8dd72e541e42ce296ccd168Fariborz Jahanian bool isCategoryImpl = isa<ObjCCategoryImplDecl>(OMD->getDeclContext()); 97ef072fd2f3347cfd857d6eb787b245b950771430John McCall return Runtime.GenerateMessageSendSuper(*this, Return, E->getType(), 987f8ea5c5b3a6a4332a841eefdd86b0726722ea7bDaniel Dunbar E->getSelector(), 99f56f1913e91ad32bed52dd3f6afc26735d336584Daniel Dunbar OMD->getClassInterface(), 1007ce77920a35060f1c8dd72e541e42ce296ccd168Fariborz Jahanian isCategoryImpl, 101f56f1913e91ad32bed52dd3f6afc26735d336584Daniel Dunbar Receiver, 10219cd87eb5fb3c197e631ce08fd52c446c4d4e8f1Daniel Dunbar isClassMessage, 103d6c93d703541c992e06eb9a59a2d826a30da65b2Daniel Dunbar Args, 104d6c93d703541c992e06eb9a59a2d826a30da65b2Daniel Dunbar E->getMethodDecl()); 1058fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner } 106d6c93d703541c992e06eb9a59a2d826a30da65b2Daniel Dunbar 107ef072fd2f3347cfd857d6eb787b245b950771430John McCall return Runtime.GenerateMessageSend(*this, Return, E->getType(), 108ef072fd2f3347cfd857d6eb787b245b950771430John McCall E->getSelector(), 109c6cd5fd3eae71f8841504a396563343cfaaf503eDavid Chisnall Receiver, Args, OID, 110df9ccc6381314ccca6407abb209155e9273a631dFariborz Jahanian E->getMethodDecl()); 1115508518a2702b00be3b15a26d772bde968972f54Anders Carlsson} 1125508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 113af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar/// StartObjCMethod - Begin emission of an ObjCMethod. This generates 114af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar/// the LLVM function and sets the other context used by 115af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar/// CodeGenFunction. 116679a502d462ef819e6175b58e255ca3f3391e7cfFariborz Jahanianvoid CodeGenFunction::StartObjCMethod(const ObjCMethodDecl *OMD, 117679a502d462ef819e6175b58e255ca3f3391e7cfFariborz Jahanian const ObjCContainerDecl *CD) { 1187c086516f3cc9fba2733b1919973206c6ba4b171Daniel Dunbar FunctionArgList Args; 1194800ea6ff8017cf803c32a5fd63b94c0614014e3Devang Patel // Check if we should generate debug info for this method. 1204800ea6ff8017cf803c32a5fd63b94c0614014e3Devang Patel if (CGM.getDebugInfo() && !OMD->hasAttr<NoDebugAttr>()) 1214800ea6ff8017cf803c32a5fd63b94c0614014e3Devang Patel DebugInfo = CGM.getDebugInfo(); 1224800ea6ff8017cf803c32a5fd63b94c0614014e3Devang Patel 123679a502d462ef819e6175b58e255ca3f3391e7cfFariborz Jahanian llvm::Function *Fn = CGM.getObjCRuntime().GenerateMethod(OMD, CD); 124f80519b919a348db004fba18530706314d1ebfb5Daniel Dunbar 1250e4f40e1bbc4dce16bbb9870300a435419f1b3d5Daniel Dunbar const CGFunctionInfo &FI = CGM.getTypes().getFunctionInfo(OMD); 1260e4f40e1bbc4dce16bbb9870300a435419f1b3d5Daniel Dunbar CGM.SetInternalFunctionAttributes(OMD, Fn, FI); 1274111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner 1281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Args.push_back(std::make_pair(OMD->getSelfDecl(), 1297c086516f3cc9fba2733b1919973206c6ba4b171Daniel Dunbar OMD->getSelfDecl()->getType())); 1307c086516f3cc9fba2733b1919973206c6ba4b171Daniel Dunbar Args.push_back(std::make_pair(OMD->getCmdDecl(), 1317c086516f3cc9fba2733b1919973206c6ba4b171Daniel Dunbar OMD->getCmdDecl()->getType())); 1324111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner 13389951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = OMD->param_begin(), 13489951a86b594513c2a013532ed45d197413b1087Chris Lattner E = OMD->param_end(); PI != E; ++PI) 13589951a86b594513c2a013532ed45d197413b1087Chris Lattner Args.push_back(std::make_pair(*PI, (*PI)->getType())); 136b7ec246872b412f0e7bb9e93eacfd78cfa6adfb3Daniel Dunbar 137a92d613a1a3881fb5002ce99e5721056161bcd28Devang Patel StartFunction(OMD, OMD->getResultType(), Fn, Args, OMD->getLocStart()); 138af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar} 139af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar 140af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar/// Generate an Objective-C method. An Objective-C method is a C function with 1411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// its pointer, name, and types registered in the class struture. 142af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbarvoid CodeGenFunction::GenerateObjCMethod(const ObjCMethodDecl *OMD) { 143679a502d462ef819e6175b58e255ca3f3391e7cfFariborz Jahanian StartObjCMethod(OMD, OMD->getClassInterface()); 1446fb0aee4f9dc261bbec72e1283ad8dc0557a6d96Argyrios Kyrtzidis EmitStmt(OMD->getBody()); 1456fb0aee4f9dc261bbec72e1283ad8dc0557a6d96Argyrios Kyrtzidis FinishFunction(OMD->getBodyRBrace()); 146af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar} 147af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar 148f5408fe484495ee4efbdd709c8a2c2fdbbbdb328Mike Stump// FIXME: I wasn't sure about the synthesis approach. If we end up generating an 149f5408fe484495ee4efbdd709c8a2c2fdbbbdb328Mike Stump// AST for the whole body we can just fall back to having a GenerateFunction 150f5408fe484495ee4efbdd709c8a2c2fdbbbdb328Mike Stump// which takes the body Stmt. 151af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar 152af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar/// GenerateObjCGetter - Generate an Objective-C property getter 153489034cf8bde09360e0089f401b2929597b125d8Steve Naroff/// function. The given Decl must be an ObjCImplementationDecl. @synthesize 154489034cf8bde09360e0089f401b2929597b125d8Steve Naroff/// is illegal within a category. 155fef30b55230064d334a669a065a1c9acdb87cdfeFariborz Jahanianvoid CodeGenFunction::GenerateObjCGetter(ObjCImplementationDecl *IMP, 156fef30b55230064d334a669a065a1c9acdb87cdfeFariborz Jahanian const ObjCPropertyImplDecl *PID) { 157c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar ObjCIvarDecl *Ivar = PID->getPropertyIvarDecl(); 158af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar const ObjCPropertyDecl *PD = PID->getPropertyDecl(); 15915bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian bool IsAtomic = 16015bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian !(PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_nonatomic); 161af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar ObjCMethodDecl *OMD = PD->getGetterMethodDecl(); 162af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar assert(OMD && "Invalid call to generate getter (empty method)"); 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 { 2111b23fe61cf4437668280212d0ad6cb7196f51529Fariborz Jahanian if (Ivar->getType()->isAnyComplexType()) { 21297a73cd8e2b81f5aed9f59e07e7787e3fd3b8d00Fariborz Jahanian LValue LV = EmitLValueForIvar(TypeOfSelfObject(), LoadObjCSelf(), 21397a73cd8e2b81f5aed9f59e07e7787e3fd3b8d00Fariborz Jahanian Ivar, 0); 2141b23fe61cf4437668280212d0ad6cb7196f51529Fariborz Jahanian ComplexPairTy Pair = LoadComplexFromAddr(LV.getAddress(), 2151b23fe61cf4437668280212d0ad6cb7196f51529Fariborz Jahanian LV.isVolatileQualified()); 2161b23fe61cf4437668280212d0ad6cb7196f51529Fariborz Jahanian StoreComplexToAddr(Pair, ReturnValue, LV.isVolatileQualified()); 2171b23fe61cf4437668280212d0ad6cb7196f51529Fariborz Jahanian } 2181b23fe61cf4437668280212d0ad6cb7196f51529Fariborz Jahanian else if (hasAggregateLLVMType(Ivar->getType())) { 21915bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian bool IsStrong = false; 22015bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian if ((IsAtomic || (IsStrong = IvarTypeWithAggrGCObjects(Ivar->getType()))) 2210b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian && CurFnInfo->getReturnInfo().getKind() == ABIArgInfo::Indirect 2220b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian && CGM.getObjCRuntime().GetCopyStructFunction()) { 22397a73cd8e2b81f5aed9f59e07e7787e3fd3b8d00Fariborz Jahanian LValue LV = EmitLValueForIvar(TypeOfSelfObject(), LoadObjCSelf(), 22497a73cd8e2b81f5aed9f59e07e7787e3fd3b8d00Fariborz Jahanian Ivar, 0); 2250b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian llvm::Value *GetCopyStructFn = 2260b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian CGM.getObjCRuntime().GetCopyStructFunction(); 2270b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian CodeGenTypes &Types = CGM.getTypes(); 2280b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian // objc_copyStruct (ReturnValue, &structIvar, 2290b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian // sizeof (Type of Ivar), isAtomic, false); 2300b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian CallArgList Args; 2310b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian RValue RV = RValue::get(Builder.CreateBitCast(ReturnValue, 2320b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian Types.ConvertType(getContext().VoidPtrTy))); 2330b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian Args.push_back(std::make_pair(RV, getContext().VoidPtrTy)); 2340b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian RV = RValue::get(Builder.CreateBitCast(LV.getAddress(), 2350b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian Types.ConvertType(getContext().VoidPtrTy))); 2360b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian Args.push_back(std::make_pair(RV, getContext().VoidPtrTy)); 2370b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian // sizeof (Type of Ivar) 2380b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian uint64_t Size = getContext().getTypeSize(Ivar->getType()) / 8; 2390b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian llvm::Value *SizeVal = 2400b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian llvm::ConstantInt::get(Types.ConvertType(getContext().LongTy), Size); 2410b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian Args.push_back(std::make_pair(RValue::get(SizeVal), 2420b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian getContext().LongTy)); 2430b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian llvm::Value *isAtomic = 24408adf327cdcbf838990915bcdaebfdaf553144b7Fariborz Jahanian llvm::ConstantInt::get(Types.ConvertType(getContext().BoolTy), 24508adf327cdcbf838990915bcdaebfdaf553144b7Fariborz Jahanian IsAtomic ? 1 : 0); 2460b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian Args.push_back(std::make_pair(RValue::get(isAtomic), 2470b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian getContext().BoolTy)); 24815bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian llvm::Value *hasStrong = 24915bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian llvm::ConstantInt::get(Types.ConvertType(getContext().BoolTy), 25015bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian IsStrong ? 1 : 0); 25115bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian Args.push_back(std::make_pair(RValue::get(hasStrong), 25215bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian getContext().BoolTy)); 2530b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian EmitCall(Types.getFunctionInfo(getContext().VoidTy, Args, 2540b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian FunctionType::ExtInfo()), 2550b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian GetCopyStructFn, ReturnValueSlot(), Args); 2560b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian } 25797a73cd8e2b81f5aed9f59e07e7787e3fd3b8d00Fariborz Jahanian else { 25897a73cd8e2b81f5aed9f59e07e7787e3fd3b8d00Fariborz Jahanian if (PID->getGetterCXXConstructor()) { 25997a73cd8e2b81f5aed9f59e07e7787e3fd3b8d00Fariborz Jahanian ReturnStmt *Stmt = 26097a73cd8e2b81f5aed9f59e07e7787e3fd3b8d00Fariborz Jahanian new (getContext()) ReturnStmt(SourceLocation(), 2615077c3876beeaed32280af88244e8050078619a8Douglas Gregor PID->getGetterCXXConstructor(), 2625077c3876beeaed32280af88244e8050078619a8Douglas Gregor 0); 26397a73cd8e2b81f5aed9f59e07e7787e3fd3b8d00Fariborz Jahanian EmitReturnStmt(*Stmt); 26497a73cd8e2b81f5aed9f59e07e7787e3fd3b8d00Fariborz Jahanian } 26597a73cd8e2b81f5aed9f59e07e7787e3fd3b8d00Fariborz Jahanian else { 26697a73cd8e2b81f5aed9f59e07e7787e3fd3b8d00Fariborz Jahanian LValue LV = EmitLValueForIvar(TypeOfSelfObject(), LoadObjCSelf(), 26797a73cd8e2b81f5aed9f59e07e7787e3fd3b8d00Fariborz Jahanian Ivar, 0); 26897a73cd8e2b81f5aed9f59e07e7787e3fd3b8d00Fariborz Jahanian EmitAggregateCopy(ReturnValue, LV.getAddress(), Ivar->getType()); 26997a73cd8e2b81f5aed9f59e07e7787e3fd3b8d00Fariborz Jahanian } 27097a73cd8e2b81f5aed9f59e07e7787e3fd3b8d00Fariborz Jahanian } 271b3589f44c5d295cd41de2c83f3475116835eeebdMike Stump } else { 27297a73cd8e2b81f5aed9f59e07e7787e3fd3b8d00Fariborz Jahanian LValue LV = EmitLValueForIvar(TypeOfSelfObject(), LoadObjCSelf(), 27397a73cd8e2b81f5aed9f59e07e7787e3fd3b8d00Fariborz Jahanian Ivar, 0); 274ed1d29d62595a83ccf6ef23eb2759d355206df2eFariborz Jahanian CodeGenTypes &Types = CGM.getTypes(); 275ed1d29d62595a83ccf6ef23eb2759d355206df2eFariborz Jahanian RValue RV = EmitLoadOfLValue(LV, Ivar->getType()); 276ed1d29d62595a83ccf6ef23eb2759d355206df2eFariborz Jahanian RV = RValue::get(Builder.CreateBitCast(RV.getScalarVal(), 2771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Types.ConvertType(PD->getType()))); 278ed1d29d62595a83ccf6ef23eb2759d355206df2eFariborz Jahanian EmitReturnOfRValue(RV, PD->getType()); 279ed1d29d62595a83ccf6ef23eb2759d355206df2eFariborz Jahanian } 280c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar } 281af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar 282af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar FinishFunction(); 283af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar} 284af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar 285af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar/// GenerateObjCSetter - Generate an Objective-C property setter 286489034cf8bde09360e0089f401b2929597b125d8Steve Naroff/// function. The given Decl must be an ObjCImplementationDecl. @synthesize 287489034cf8bde09360e0089f401b2929597b125d8Steve Naroff/// is illegal within a category. 288fef30b55230064d334a669a065a1c9acdb87cdfeFariborz Jahanianvoid CodeGenFunction::GenerateObjCSetter(ObjCImplementationDecl *IMP, 289fef30b55230064d334a669a065a1c9acdb87cdfeFariborz Jahanian const ObjCPropertyImplDecl *PID) { 29086957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar ObjCIvarDecl *Ivar = PID->getPropertyIvarDecl(); 291af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar const ObjCPropertyDecl *PD = PID->getPropertyDecl(); 292af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar ObjCMethodDecl *OMD = PD->getSetterMethodDecl(); 293af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar assert(OMD && "Invalid call to generate setter (empty method)"); 294679a502d462ef819e6175b58e255ca3f3391e7cfFariborz Jahanian StartObjCMethod(OMD, IMP->getClassInterface()); 295b7ec246872b412f0e7bb9e93eacfd78cfa6adfb3Daniel Dunbar 29686957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar bool IsCopy = PD->getSetterKind() == ObjCPropertyDecl::Copy; 2971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool IsAtomic = 29886957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar !(PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_nonatomic); 29986957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar 30086957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar // Determine if we should use an objc_setProperty call for 30186957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar // this. Properties with 'copy' semantics always use it, as do 30286957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar // non-atomic properties with 'release' semantics as long as we are 30386957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar // not in gc-only mode. 30486957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar if (IsCopy || 30586957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar (CGM.getLangOptions().getGCMode() != LangOptions::GCOnly && 30686957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar PD->getSetterKind() == ObjCPropertyDecl::Retain)) { 3071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *SetPropertyFn = 30886957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar CGM.getObjCRuntime().GetPropertySetFunction(); 3091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31086957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar if (!SetPropertyFn) { 31186957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar CGM.ErrorUnsupported(PID, "Obj-C getter requiring atomic copy"); 31286957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar FinishFunction(); 31386957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar return; 31486957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar } 3151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Emit objc_setProperty((id) self, _cmd, offset, arg, 31786957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar // <is-atomic>, <is-copy>). 31886957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar // FIXME: Can't this be simpler? This might even be worse than the 31986957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar // corresponding gcc code. 32086957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar CodeGenTypes &Types = CGM.getTypes(); 32186957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar ValueDecl *Cmd = OMD->getCmdDecl(); 32286957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar llvm::Value *CmdVal = Builder.CreateLoad(LocalDeclMap[Cmd], "cmd"); 32386957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar QualType IdTy = getContext().getObjCIdType(); 3241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *SelfAsId = 32586957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar Builder.CreateBitCast(LoadObjCSelf(), Types.ConvertType(IdTy)); 326fef30b55230064d334a669a065a1c9acdb87cdfeFariborz Jahanian llvm::Value *Offset = EmitIvarOffset(IMP->getClassInterface(), Ivar); 32789951a86b594513c2a013532ed45d197413b1087Chris Lattner llvm::Value *Arg = LocalDeclMap[*OMD->param_begin()]; 3281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *ArgAsId = 32986957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar Builder.CreateBitCast(Builder.CreateLoad(Arg, "arg"), 33086957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar Types.ConvertType(IdTy)); 33186957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar llvm::Value *True = 3324a28d5deeba33722aa009eab488591fb9055cc7eOwen Anderson llvm::ConstantInt::get(Types.ConvertType(getContext().BoolTy), 1); 33386957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar llvm::Value *False = 3344a28d5deeba33722aa009eab488591fb9055cc7eOwen Anderson llvm::ConstantInt::get(Types.ConvertType(getContext().BoolTy), 0); 33586957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar CallArgList Args; 33686957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar Args.push_back(std::make_pair(RValue::get(SelfAsId), IdTy)); 33786957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar Args.push_back(std::make_pair(RValue::get(CmdVal), Cmd->getType())); 33886957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar Args.push_back(std::make_pair(RValue::get(Offset), getContext().LongTy)); 33986957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar Args.push_back(std::make_pair(RValue::get(ArgAsId), IdTy)); 3401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Args.push_back(std::make_pair(RValue::get(IsAtomic ? True : False), 34186957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar getContext().BoolTy)); 3421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Args.push_back(std::make_pair(RValue::get(IsCopy ? True : False), 34386957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar getContext().BoolTy)); 344f5408fe484495ee4efbdd709c8a2c2fdbbbdb328Mike Stump // FIXME: We shouldn't need to get the function info here, the runtime 345f5408fe484495ee4efbdd709c8a2c2fdbbbdb328Mike Stump // already should have computed it to build the function. 34604a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall EmitCall(Types.getFunctionInfo(getContext().VoidTy, Args, 347264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo()), 348264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola SetPropertyFn, 349f3c47c9525153aea2de0ec4bd615b9cf2d81c103Anders Carlsson ReturnValueSlot(), Args); 3500b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian } else if (IsAtomic && hasAggregateLLVMType(Ivar->getType()) && 3510b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian !Ivar->getType()->isAnyComplexType() && 3520b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian IndirectObjCSetterArg(*CurFnInfo) 3530b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian && CGM.getObjCRuntime().GetCopyStructFunction()) { 3540b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian // objc_copyStruct (&structIvar, &Arg, 3550b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian // sizeof (struct something), true, false); 3560b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian llvm::Value *GetCopyStructFn = 3570b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian CGM.getObjCRuntime().GetCopyStructFunction(); 3580b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian CodeGenTypes &Types = CGM.getTypes(); 3590b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian CallArgList Args; 3600b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian LValue LV = EmitLValueForIvar(TypeOfSelfObject(), LoadObjCSelf(), Ivar, 0); 3610b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian RValue RV = RValue::get(Builder.CreateBitCast(LV.getAddress(), 3620b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian Types.ConvertType(getContext().VoidPtrTy))); 3630b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian Args.push_back(std::make_pair(RV, getContext().VoidPtrTy)); 3640b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian llvm::Value *Arg = LocalDeclMap[*OMD->param_begin()]; 3650b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian llvm::Value *ArgAsPtrTy = 3660b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian Builder.CreateBitCast(Arg, 3670b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian Types.ConvertType(getContext().VoidPtrTy)); 3680b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian RV = RValue::get(ArgAsPtrTy); 3690b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian Args.push_back(std::make_pair(RV, getContext().VoidPtrTy)); 3700b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian // sizeof (Type of Ivar) 3710b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian uint64_t Size = getContext().getTypeSize(Ivar->getType()) / 8; 3720b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian llvm::Value *SizeVal = 3730b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian llvm::ConstantInt::get(Types.ConvertType(getContext().LongTy), Size); 3740b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian Args.push_back(std::make_pair(RValue::get(SizeVal), 3750b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian getContext().LongTy)); 3760b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian llvm::Value *True = 3770b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian llvm::ConstantInt::get(Types.ConvertType(getContext().BoolTy), 1); 3780b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian Args.push_back(std::make_pair(RValue::get(True), getContext().BoolTy)); 3790b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian llvm::Value *False = 3800b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian llvm::ConstantInt::get(Types.ConvertType(getContext().BoolTy), 0); 3810b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian Args.push_back(std::make_pair(RValue::get(False), getContext().BoolTy)); 3820b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian EmitCall(Types.getFunctionInfo(getContext().VoidTy, Args, 3830b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian FunctionType::ExtInfo()), 3840b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian GetCopyStructFn, ReturnValueSlot(), Args); 38597a73cd8e2b81f5aed9f59e07e7787e3fd3b8d00Fariborz Jahanian } else if (PID->getSetterCXXAssignment()) { 38697a73cd8e2b81f5aed9f59e07e7787e3fd3b8d00Fariborz Jahanian EmitAnyExpr(PID->getSetterCXXAssignment(), (llvm::Value *)0, false, true, 38797a73cd8e2b81f5aed9f59e07e7787e3fd3b8d00Fariborz Jahanian false); 38897a73cd8e2b81f5aed9f59e07e7787e3fd3b8d00Fariborz Jahanian 38986957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar } else { 39045e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar // FIXME: Find a clean way to avoid AST node creation. 39186957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar SourceLocation Loc = PD->getLocation(); 39286957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar ValueDecl *Self = OMD->getSelfDecl(); 39386957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar ObjCIvarDecl *Ivar = PID->getPropertyIvarDecl(); 39486957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar DeclRefExpr Base(Self, Self->getType(), Loc); 39589951a86b594513c2a013532ed45d197413b1087Chris Lattner ParmVarDecl *ArgDecl = *OMD->param_begin(); 39686957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar DeclRefExpr Arg(ArgDecl, ArgDecl->getType(), Loc); 39745e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar ObjCIvarRefExpr IvarRef(Ivar, Ivar->getType(), Loc, &Base, true, true); 39845e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar 39945e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar // The property type can differ from the ivar type in some situations with 40045e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar // Objective-C pointer types, we can always bit cast the RHS in these cases. 40145e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar if (getContext().getCanonicalType(Ivar->getType()) != 40245e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar getContext().getCanonicalType(ArgDecl->getType())) { 40345e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar ImplicitCastExpr ArgCasted(Ivar->getType(), CastExpr::CK_BitCast, &Arg, 404f1b48b7014992155286d58bb1676f9f51031d18bAnders Carlsson CXXBaseSpecifierArray(), false); 40545e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar BinaryOperator Assign(&IvarRef, &ArgCasted, BinaryOperator::Assign, 40645e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar Ivar->getType(), Loc); 40745e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar EmitStmt(&Assign); 40845e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar } else { 40945e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar BinaryOperator Assign(&IvarRef, &Arg, BinaryOperator::Assign, 41045e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar Ivar->getType(), Loc); 41145e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar EmitStmt(&Assign); 41245e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar } 41386957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar } 414af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar 415af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar FinishFunction(); 4164111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner} 4174111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner 418109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanianvoid CodeGenFunction::GenerateObjCCtorDtorMethod(ObjCImplementationDecl *IMP, 419109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian ObjCMethodDecl *MD, 420109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian bool ctor) { 421109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian llvm::SmallVector<CXXBaseOrMemberInitializer *, 8> IvarInitializers; 422109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian MD->createImplicitParams(CGM.getContext(), IMP->getClassInterface()); 423109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian StartObjCMethod(MD, IMP->getClassInterface()); 424109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian for (ObjCImplementationDecl::init_const_iterator B = IMP->init_begin(), 425109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian E = IMP->init_end(); B != E; ++B) { 426109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian CXXBaseOrMemberInitializer *Member = (*B); 427109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian IvarInitializers.push_back(Member); 428109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian } 429109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian if (ctor) { 430109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian for (unsigned I = 0, E = IvarInitializers.size(); I != E; ++I) { 431109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian CXXBaseOrMemberInitializer *IvarInit = IvarInitializers[I]; 432109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian FieldDecl *Field = IvarInit->getMember(); 433109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian QualType FieldType = Field->getType(); 434109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian ObjCIvarDecl *Ivar = cast<ObjCIvarDecl>(Field); 4359b4d4fc49f30f1caa35d680702f1921afad81971Fariborz Jahanian LValue LV = EmitLValueForIvar(TypeOfSelfObject(), 4369b4d4fc49f30f1caa35d680702f1921afad81971Fariborz Jahanian LoadObjCSelf(), Ivar, 0); 437109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian EmitAggExpr(IvarInit->getInit(), LV.getAddress(), 438109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian LV.isVolatileQualified(), false, true); 439109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian } 440109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian // constructor returns 'self'. 441109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian CodeGenTypes &Types = CGM.getTypes(); 442109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian QualType IdTy(CGM.getContext().getObjCIdType()); 443109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian llvm::Value *SelfAsId = 444109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian Builder.CreateBitCast(LoadObjCSelf(), Types.ConvertType(IdTy)); 445109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian EmitReturnOfRValue(RValue::get(SelfAsId), IdTy); 446bc397cf90355f17c974b0bdf3960e8fb38caf5d6Chandler Carruth } else { 447109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian // dtor 448109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian for (size_t i = IvarInitializers.size(); i > 0; --i) { 449109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian FieldDecl *Field = IvarInitializers[i - 1]->getMember(); 450109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian QualType FieldType = Field->getType(); 4519b4d4fc49f30f1caa35d680702f1921afad81971Fariborz Jahanian const ConstantArrayType *Array = 4529b4d4fc49f30f1caa35d680702f1921afad81971Fariborz Jahanian getContext().getAsConstantArrayType(FieldType); 4539b4d4fc49f30f1caa35d680702f1921afad81971Fariborz Jahanian if (Array) 4549b4d4fc49f30f1caa35d680702f1921afad81971Fariborz Jahanian FieldType = getContext().getBaseElementType(FieldType); 4559b4d4fc49f30f1caa35d680702f1921afad81971Fariborz Jahanian 456109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian ObjCIvarDecl *Ivar = cast<ObjCIvarDecl>(Field); 457109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian LValue LV = EmitLValueForIvar(TypeOfSelfObject(), 458109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian LoadObjCSelf(), Ivar, 0); 459109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian const RecordType *RT = FieldType->getAs<RecordType>(); 460109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian CXXRecordDecl *FieldClassDecl = cast<CXXRecordDecl>(RT->getDecl()); 4618b688ed1d56065458d9e22f813577e0dff5c488eFariborz Jahanian CXXDestructorDecl *Dtor = FieldClassDecl->getDestructor(getContext()); 462bc397cf90355f17c974b0bdf3960e8fb38caf5d6Chandler Carruth if (!Dtor->isTrivial()) { 4638b688ed1d56065458d9e22f813577e0dff5c488eFariborz Jahanian if (Array) { 4648b688ed1d56065458d9e22f813577e0dff5c488eFariborz Jahanian const llvm::Type *BasePtr = ConvertType(FieldType); 4658b688ed1d56065458d9e22f813577e0dff5c488eFariborz Jahanian BasePtr = llvm::PointerType::getUnqual(BasePtr); 4668b688ed1d56065458d9e22f813577e0dff5c488eFariborz Jahanian llvm::Value *BaseAddrPtr = 4678b688ed1d56065458d9e22f813577e0dff5c488eFariborz Jahanian Builder.CreateBitCast(LV.getAddress(), BasePtr); 4688b688ed1d56065458d9e22f813577e0dff5c488eFariborz Jahanian EmitCXXAggrDestructorCall(Dtor, 4698b688ed1d56065458d9e22f813577e0dff5c488eFariborz Jahanian Array, BaseAddrPtr); 470bc397cf90355f17c974b0bdf3960e8fb38caf5d6Chandler Carruth } else { 4718b688ed1d56065458d9e22f813577e0dff5c488eFariborz Jahanian EmitCXXDestructorCall(Dtor, 4728b688ed1d56065458d9e22f813577e0dff5c488eFariborz Jahanian Dtor_Complete, /*ForVirtualBase=*/false, 4738b688ed1d56065458d9e22f813577e0dff5c488eFariborz Jahanian LV.getAddress()); 474bc397cf90355f17c974b0bdf3960e8fb38caf5d6Chandler Carruth } 475bc397cf90355f17c974b0bdf3960e8fb38caf5d6Chandler Carruth } 476bc397cf90355f17c974b0bdf3960e8fb38caf5d6Chandler Carruth } 477109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian } 478109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian FinishFunction(); 479109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian} 480109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian 4810b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanianbool CodeGenFunction::IndirectObjCSetterArg(const CGFunctionInfo &FI) { 4820b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian CGFunctionInfo::const_arg_iterator it = FI.arg_begin(); 4830b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian it++; it++; 4840b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian const ABIArgInfo &AI = it->info; 4850b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian // FIXME. Is this sufficient check? 4860b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian return (AI.getKind() == ABIArgInfo::Indirect); 4870b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian} 4880b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian 48915bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanianbool CodeGenFunction::IvarTypeWithAggrGCObjects(QualType Ty) { 49015bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian if (CGM.getLangOptions().getGCMode() == LangOptions::NonGC) 49115bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian return false; 49215bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian if (const RecordType *FDTTy = Ty.getTypePtr()->getAs<RecordType>()) 49315bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian return FDTTy->getDecl()->hasObjectMember(); 49415bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian return false; 49515bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian} 49615bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian 497c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbarllvm::Value *CodeGenFunction::LoadObjCSelf() { 498b7ec246872b412f0e7bb9e93eacfd78cfa6adfb3Daniel Dunbar const ObjCMethodDecl *OMD = cast<ObjCMethodDecl>(CurFuncDecl); 499b7ec246872b412f0e7bb9e93eacfd78cfa6adfb3Daniel Dunbar return Builder.CreateLoad(LocalDeclMap[OMD->getSelfDecl()], "self"); 5004111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner} 5014111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner 50245012a7ef5abf1042c893f3f2fa5c23cb5485ea9Fariborz JahanianQualType CodeGenFunction::TypeOfSelfObject() { 50345012a7ef5abf1042c893f3f2fa5c23cb5485ea9Fariborz Jahanian const ObjCMethodDecl *OMD = cast<ObjCMethodDecl>(CurFuncDecl); 50445012a7ef5abf1042c893f3f2fa5c23cb5485ea9Fariborz Jahanian ImplicitParamDecl *selfDecl = OMD->getSelfDecl(); 50514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff const ObjCObjectPointerType *PTy = cast<ObjCObjectPointerType>( 50614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff getContext().getCanonicalType(selfDecl->getType())); 50745012a7ef5abf1042c893f3f2fa5c23cb5485ea9Fariborz Jahanian return PTy->getPointeeType(); 50845012a7ef5abf1042c893f3f2fa5c23cb5485ea9Fariborz Jahanian} 50945012a7ef5abf1042c893f3f2fa5c23cb5485ea9Fariborz Jahanian 5101eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpRValue CodeGenFunction::EmitObjCSuperPropertyGet(const Expr *Exp, 511ef072fd2f3347cfd857d6eb787b245b950771430John McCall const Selector &S, 512ef072fd2f3347cfd857d6eb787b245b950771430John McCall ReturnValueSlot Return) { 513f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian llvm::Value *Receiver = LoadObjCSelf(); 514f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian const ObjCMethodDecl *OMD = cast<ObjCMethodDecl>(CurFuncDecl); 515f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian bool isClassMessage = OMD->isClassMethod(); 516f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian bool isCategoryImpl = isa<ObjCCategoryImplDecl>(OMD->getDeclContext()); 5171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return CGM.getObjCRuntime().GenerateMessageSendSuper(*this, 518ef072fd2f3347cfd857d6eb787b245b950771430John McCall Return, 519f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian Exp->getType(), 520f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian S, 521f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian OMD->getClassInterface(), 522f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian isCategoryImpl, 523f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian Receiver, 524f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian isClassMessage, 525f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian CallArgList()); 5261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 527f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian} 528f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian 529ef072fd2f3347cfd857d6eb787b245b950771430John McCallRValue CodeGenFunction::EmitObjCPropertyGet(const Expr *Exp, 530ef072fd2f3347cfd857d6eb787b245b950771430John McCall ReturnValueSlot Return) { 531d2e1eb064cfb8d361ea1dd4f6253a4e20f24d88dFariborz Jahanian Exp = Exp->IgnoreParens(); 53243f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian // FIXME: Split it into two separate routines. 5335daf570d0ce027e18ed5f9d66e6b2a14a40b720dFariborz Jahanian if (const ObjCPropertyRefExpr *E = dyn_cast<ObjCPropertyRefExpr>(Exp)) { 5345daf570d0ce027e18ed5f9d66e6b2a14a40b720dFariborz Jahanian Selector S = E->getProperty()->getGetterName(); 535f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian if (isa<ObjCSuperExpr>(E->getBase())) 536ef072fd2f3347cfd857d6eb787b245b950771430John McCall return EmitObjCSuperPropertyGet(E, S, Return); 5375daf570d0ce027e18ed5f9d66e6b2a14a40b720dFariborz Jahanian return CGM.getObjCRuntime(). 538ef072fd2f3347cfd857d6eb787b245b950771430John McCall GenerateMessageSend(*this, Return, Exp->getType(), S, 5391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump EmitScalarExpr(E->getBase()), 540c6cd5fd3eae71f8841504a396563343cfaaf503eDavid Chisnall CallArgList()); 541b3589f44c5d295cd41de2c83f3475116835eeebdMike Stump } else { 5421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const ObjCImplicitSetterGetterRefExpr *KE = 54309105f52b1f28cbb1374c27c3c70f5517e2c465dFariborz Jahanian cast<ObjCImplicitSetterGetterRefExpr>(Exp); 544f479cea608dae347bc06c7a7279ab54fe34d47f6Daniel Dunbar Selector S = KE->getGetterMethod()->getSelector(); 5453523d4f59eb0aa1f200dcb943093ecfe75008735Fariborz Jahanian llvm::Value *Receiver; 546d2ae5aa732e8587816fd7a7be911460e337c178eFariborz Jahanian if (KE->getInterfaceDecl()) { 547d2ae5aa732e8587816fd7a7be911460e337c178eFariborz Jahanian const ObjCInterfaceDecl *OID = KE->getInterfaceDecl(); 5483523d4f59eb0aa1f200dcb943093ecfe75008735Fariborz Jahanian Receiver = CGM.getObjCRuntime().GetClass(Builder, OID); 549b3589f44c5d295cd41de2c83f3475116835eeebdMike Stump } else if (isa<ObjCSuperExpr>(KE->getBase())) 550ef072fd2f3347cfd857d6eb787b245b950771430John McCall return EmitObjCSuperPropertyGet(KE, S, Return); 5511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else 5523523d4f59eb0aa1f200dcb943093ecfe75008735Fariborz Jahanian Receiver = EmitScalarExpr(KE->getBase()); 55343f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian return CGM.getObjCRuntime(). 554ef072fd2f3347cfd857d6eb787b245b950771430John McCall GenerateMessageSend(*this, Return, Exp->getType(), S, 5551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Receiver, 556c6cd5fd3eae71f8841504a396563343cfaaf503eDavid Chisnall CallArgList(), KE->getInterfaceDecl()); 5575daf570d0ce027e18ed5f9d66e6b2a14a40b720dFariborz Jahanian } 5589c3fc703b29a31d40bcf5027dbb4784dd393804eDaniel Dunbar} 5599c3fc703b29a31d40bcf5027dbb4784dd393804eDaniel Dunbar 560f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanianvoid CodeGenFunction::EmitObjCSuperPropertySet(const Expr *Exp, 561f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian const Selector &S, 562f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian RValue Src) { 563f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian CallArgList Args; 564f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian llvm::Value *Receiver = LoadObjCSelf(); 565f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian const ObjCMethodDecl *OMD = cast<ObjCMethodDecl>(CurFuncDecl); 566f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian bool isClassMessage = OMD->isClassMethod(); 567f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian bool isCategoryImpl = isa<ObjCCategoryImplDecl>(OMD->getDeclContext()); 568f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian Args.push_back(std::make_pair(Src, Exp->getType())); 5691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CGM.getObjCRuntime().GenerateMessageSendSuper(*this, 570ef072fd2f3347cfd857d6eb787b245b950771430John McCall ReturnValueSlot(), 571f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian Exp->getType(), 572f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian S, 573f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian OMD->getClassInterface(), 574f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian isCategoryImpl, 575f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian Receiver, 576f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian isClassMessage, 577f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian Args); 578f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian return; 579f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian} 580f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian 58143f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanianvoid CodeGenFunction::EmitObjCPropertySet(const Expr *Exp, 58285c59edda02df48fae8dc85049743319bc6e7e89Daniel Dunbar RValue Src) { 58343f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian // FIXME: Split it into two separate routines. 58443f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian if (const ObjCPropertyRefExpr *E = dyn_cast<ObjCPropertyRefExpr>(Exp)) { 58543f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian Selector S = E->getProperty()->getSetterName(); 586f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian if (isa<ObjCSuperExpr>(E->getBase())) { 587f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian EmitObjCSuperPropertySet(E, S, Src); 588f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian return; 5891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 59043f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian CallArgList Args; 59143f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian Args.push_back(std::make_pair(Src, E->getType())); 592ef072fd2f3347cfd857d6eb787b245b950771430John McCall CGM.getObjCRuntime().GenerateMessageSend(*this, ReturnValueSlot(), 593ef072fd2f3347cfd857d6eb787b245b950771430John McCall getContext().VoidTy, S, 5941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump EmitScalarExpr(E->getBase()), 595c6cd5fd3eae71f8841504a396563343cfaaf503eDavid Chisnall Args); 5961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } else if (const ObjCImplicitSetterGetterRefExpr *E = 59709105f52b1f28cbb1374c27c3c70f5517e2c465dFariborz Jahanian dyn_cast<ObjCImplicitSetterGetterRefExpr>(Exp)) { 59843f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian Selector S = E->getSetterMethod()->getSelector(); 59943f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian CallArgList Args; 6003523d4f59eb0aa1f200dcb943093ecfe75008735Fariborz Jahanian llvm::Value *Receiver; 601d2ae5aa732e8587816fd7a7be911460e337c178eFariborz Jahanian if (E->getInterfaceDecl()) { 602d2ae5aa732e8587816fd7a7be911460e337c178eFariborz Jahanian const ObjCInterfaceDecl *OID = E->getInterfaceDecl(); 6033523d4f59eb0aa1f200dcb943093ecfe75008735Fariborz Jahanian Receiver = CGM.getObjCRuntime().GetClass(Builder, OID); 604b3589f44c5d295cd41de2c83f3475116835eeebdMike Stump } else if (isa<ObjCSuperExpr>(E->getBase())) { 605f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian EmitObjCSuperPropertySet(E, S, Src); 6068e5d23236ad05f9b18114d5486b3a3aeadf42e00Fariborz Jahanian return; 607b3589f44c5d295cd41de2c83f3475116835eeebdMike Stump } else 6083523d4f59eb0aa1f200dcb943093ecfe75008735Fariborz Jahanian Receiver = EmitScalarExpr(E->getBase()); 60943f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian Args.push_back(std::make_pair(Src, E->getType())); 610ef072fd2f3347cfd857d6eb787b245b950771430John McCall CGM.getObjCRuntime().GenerateMessageSend(*this, ReturnValueSlot(), 611ef072fd2f3347cfd857d6eb787b245b950771430John McCall getContext().VoidTy, S, 6121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Receiver, 613c6cd5fd3eae71f8841504a396563343cfaaf503eDavid Chisnall Args, E->getInterfaceDecl()); 614b3589f44c5d295cd41de2c83f3475116835eeebdMike Stump } else 61543f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian assert (0 && "bad expression node in EmitObjCPropertySet"); 61685c59edda02df48fae8dc85049743319bc6e7e89Daniel Dunbar} 61785c59edda02df48fae8dc85049743319bc6e7e89Daniel Dunbar 61874391b48b4791cded373683a3baf67314f358d50Chris Lattnervoid CodeGenFunction::EmitObjCForCollectionStmt(const ObjCForCollectionStmt &S){ 6191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Constant *EnumerationMutationFn = 620c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar CGM.getObjCRuntime().EnumerationMutationFunction(); 621f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson llvm::Value *DeclAddress; 622f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson QualType ElementTy; 6231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 624c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar if (!EnumerationMutationFn) { 625c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar CGM.ErrorUnsupported(&S, "Obj-C fast enumeration for this runtime"); 626c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar return; 627c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar } 628c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar 629f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson if (const DeclStmt *SD = dyn_cast<DeclStmt>(S.getElement())) { 630f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson EmitStmt(SD); 631a448fb2da03ece39978784793eea68760e8205a1Daniel Dunbar assert(HaveInsertPoint() && "DeclStmt destroyed insert point!"); 6327e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner const Decl* D = SD->getSingleDecl(); 63339741cecde917affbcbdfb2942ff1a9eae8f3488Ted Kremenek ElementTy = cast<ValueDecl>(D)->getType(); 6341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclAddress = LocalDeclMap[D]; 635f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson } else { 636f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson ElementTy = cast<Expr>(S.getElement())->getType(); 637f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson DeclAddress = 0; 638f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson } 6391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 640f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // Fast enumeration state. 641f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson QualType StateTy = getContext().getObjCFastEnumerationStateType(); 642195337d2e5d4625ae9dc1328c7cdbc7115b0261bDaniel Dunbar llvm::Value *StatePtr = CreateMemTemp(StateTy, "state.ptr"); 6431884eb0b5c55edda4893ddec45e7dbad79758782Anders Carlsson EmitNullInitialization(StatePtr, StateTy); 6441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 645f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // Number of elements in the items array. 6462abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson static const unsigned NumItems = 16; 6471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 648f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // Get selector 649ad4688669579d5d7b025137a095be66936d7ea31Benjamin Kramer IdentifierInfo *II[] = { 650ad4688669579d5d7b025137a095be66936d7ea31Benjamin Kramer &CGM.getContext().Idents.get("countByEnumeratingWithState"), 651ad4688669579d5d7b025137a095be66936d7ea31Benjamin Kramer &CGM.getContext().Idents.get("objects"), 652ad4688669579d5d7b025137a095be66936d7ea31Benjamin Kramer &CGM.getContext().Idents.get("count") 653ad4688669579d5d7b025137a095be66936d7ea31Benjamin Kramer }; 654ad4688669579d5d7b025137a095be66936d7ea31Benjamin Kramer Selector FastEnumSel = 655ad4688669579d5d7b025137a095be66936d7ea31Benjamin Kramer CGM.getContext().Selectors.getSelector(llvm::array_lengthof(II), &II[0]); 656f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 657f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson QualType ItemsTy = 658f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson getContext().getConstantArrayType(getContext().getObjCIdType(), 6591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::APInt(32, NumItems), 660f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson ArrayType::Normal, 0); 661195337d2e5d4625ae9dc1328c7cdbc7115b0261bDaniel Dunbar llvm::Value *ItemsPtr = CreateMemTemp(ItemsTy, "items.ptr"); 6621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 663f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson llvm::Value *Collection = EmitScalarExpr(S.getCollection()); 6641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 665f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson CallArgList Args; 6661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Args.push_back(std::make_pair(RValue::get(StatePtr), 667f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson getContext().getPointerType(StateTy))); 6681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Args.push_back(std::make_pair(RValue::get(ItemsPtr), 670f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson getContext().getPointerType(ItemsTy))); 6711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 672f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson const llvm::Type *UnsignedLongLTy = ConvertType(getContext().UnsignedLongTy); 6734a28d5deeba33722aa009eab488591fb9055cc7eOwen Anderson llvm::Constant *Count = llvm::ConstantInt::get(UnsignedLongLTy, NumItems); 6741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Args.push_back(std::make_pair(RValue::get(Count), 67546f45b9bec4a265ad8400a538e5ec3a5683617f1Daniel Dunbar getContext().UnsignedLongTy)); 6761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump RValue CountRV = 678ef072fd2f3347cfd857d6eb787b245b950771430John McCall CGM.getObjCRuntime().GenerateMessageSend(*this, ReturnValueSlot(), 679f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson getContext().UnsignedLongTy, 680f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson FastEnumSel, 681c6cd5fd3eae71f8841504a396563343cfaaf503eDavid Chisnall Collection, Args); 682f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 683195337d2e5d4625ae9dc1328c7cdbc7115b0261bDaniel Dunbar llvm::Value *LimitPtr = CreateMemTemp(getContext().UnsignedLongTy, 684195337d2e5d4625ae9dc1328c7cdbc7115b0261bDaniel Dunbar "limit.ptr"); 685f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Builder.CreateStore(CountRV.getScalarVal(), LimitPtr); 6861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 68755e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar llvm::BasicBlock *NoElements = createBasicBlock("noelements"); 68855e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar llvm::BasicBlock *SetStartMutations = createBasicBlock("setstartmutations"); 6891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 690f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson llvm::Value *Limit = Builder.CreateLoad(LimitPtr); 691c9c88b4159791c48e486ca94e3743b5979e2b7a6Owen Anderson llvm::Value *Zero = llvm::Constant::getNullValue(UnsignedLongLTy); 692f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 693f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson llvm::Value *IsZero = Builder.CreateICmpEQ(Limit, Zero, "iszero"); 6942abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson Builder.CreateCondBr(IsZero, NoElements, SetStartMutations); 695f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 6962abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson EmitBlock(SetStartMutations); 6971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 698195337d2e5d4625ae9dc1328c7cdbc7115b0261bDaniel Dunbar llvm::Value *StartMutationsPtr = CreateMemTemp(getContext().UnsignedLongTy); 6991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *StateMutationsPtrPtr = 7012abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson Builder.CreateStructGEP(StatePtr, 2, "mutationsptr.ptr"); 7021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *StateMutationsPtr = Builder.CreateLoad(StateMutationsPtrPtr, 7032abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson "mutationsptr"); 7041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *StateMutations = Builder.CreateLoad(StateMutationsPtr, 7062abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson "mutations"); 7071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7082abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson Builder.CreateStore(StateMutations, StartMutationsPtr); 7091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 71055e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar llvm::BasicBlock *LoopStart = createBasicBlock("loopstart"); 711f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson EmitBlock(LoopStart); 712f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 713195337d2e5d4625ae9dc1328c7cdbc7115b0261bDaniel Dunbar llvm::Value *CounterPtr = CreateMemTemp(getContext().UnsignedLongTy, 714195337d2e5d4625ae9dc1328c7cdbc7115b0261bDaniel Dunbar "counter.ptr"); 715f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Builder.CreateStore(Zero, CounterPtr); 7161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::BasicBlock *LoopBody = createBasicBlock("loopbody"); 718f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson EmitBlock(LoopBody); 719f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 7202abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson StateMutationsPtr = Builder.CreateLoad(StateMutationsPtrPtr, "mutationsptr"); 7212abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson StateMutations = Builder.CreateLoad(StateMutationsPtr, "statemutations"); 7222abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson 7231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *StartMutations = Builder.CreateLoad(StartMutationsPtr, 7242abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson "mutations"); 7251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *MutationsEqual = Builder.CreateICmpEQ(StateMutations, 7262abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson StartMutations, 7272abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson "tobool"); 7281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 73055e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar llvm::BasicBlock *WasMutated = createBasicBlock("wasmutated"); 73155e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar llvm::BasicBlock *WasNotMutated = createBasicBlock("wasnotmutated"); 7321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7332abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson Builder.CreateCondBr(MutationsEqual, WasNotMutated, WasMutated); 7341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7352abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson EmitBlock(WasMutated); 7362abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson llvm::Value *V = 7371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Builder.CreateBitCast(Collection, 7382abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson ConvertType(getContext().getObjCIdType()), 7392abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson "tmp"); 7402b2105e92fc77016992dae3f117f526e73af5ea9Daniel Dunbar CallArgList Args2; 7411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Args2.push_back(std::make_pair(RValue::get(V), 7422b2105e92fc77016992dae3f117f526e73af5ea9Daniel Dunbar getContext().getObjCIdType())); 743f5408fe484495ee4efbdd709c8a2c2fdbbbdb328Mike Stump // FIXME: We shouldn't need to get the function info here, the runtime already 744f5408fe484495ee4efbdd709c8a2c2fdbbbdb328Mike Stump // should have computed it to build the function. 74504a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall EmitCall(CGM.getTypes().getFunctionInfo(getContext().VoidTy, Args2, 746264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo()), 747f3c47c9525153aea2de0ec4bd615b9cf2d81c103Anders Carlsson EnumerationMutationFn, ReturnValueSlot(), Args2); 7481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7492abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson EmitBlock(WasNotMutated); 7501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *StateItemsPtr = 752f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Builder.CreateStructGEP(StatePtr, 1, "stateitems.ptr"); 753f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 754f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson llvm::Value *Counter = Builder.CreateLoad(CounterPtr, "counter"); 755f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 756f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson llvm::Value *EnumStateItems = Builder.CreateLoad(StateItemsPtr, 757f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson "stateitems"); 758f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 7591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *CurrentItemPtr = 760f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Builder.CreateGEP(EnumStateItems, Counter, "currentitem.ptr"); 7611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 762f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson llvm::Value *CurrentItem = Builder.CreateLoad(CurrentItemPtr, "currentitem"); 7631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 764f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // Cast the item to the right type. 765f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson CurrentItem = Builder.CreateBitCast(CurrentItem, 766f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson ConvertType(ElementTy), "tmp"); 7671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 768f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson if (!DeclAddress) { 769f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson LValue LV = EmitLValue(cast<Expr>(S.getElement())); 7701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 771f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // Set the value to null. 772f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Builder.CreateStore(CurrentItem, LV.getAddress()); 773f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson } else 774f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Builder.CreateStore(CurrentItem, DeclAddress); 7751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 776f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // Increment the counter. 7771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Counter = Builder.CreateAdd(Counter, 7784a28d5deeba33722aa009eab488591fb9055cc7eOwen Anderson llvm::ConstantInt::get(UnsignedLongLTy, 1)); 779f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Builder.CreateStore(Counter, CounterPtr); 7801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 78155e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar llvm::BasicBlock *LoopEnd = createBasicBlock("loopend"); 78255e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar llvm::BasicBlock *AfterBody = createBasicBlock("afterbody"); 7831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 784e4b6d342c29d5cb9d311756100df1603810fa892Anders Carlsson BreakContinueStack.push_back(BreakContinue(LoopEnd, AfterBody)); 785f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 786f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson EmitStmt(S.getBody()); 7871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 788f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson BreakContinueStack.pop_back(); 7891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 790f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson EmitBlock(AfterBody); 7911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 79255e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar llvm::BasicBlock *FetchMore = createBasicBlock("fetchmore"); 793f0906c4edb37b20141428ca77fa7dfd00b976eafFariborz Jahanian 794f0906c4edb37b20141428ca77fa7dfd00b976eafFariborz Jahanian Counter = Builder.CreateLoad(CounterPtr); 795f0906c4edb37b20141428ca77fa7dfd00b976eafFariborz Jahanian Limit = Builder.CreateLoad(LimitPtr); 796f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson llvm::Value *IsLess = Builder.CreateICmpULT(Counter, Limit, "isless"); 797fe2b2c08984f861f82339138302689480c658ecdDaniel Dunbar Builder.CreateCondBr(IsLess, LoopBody, FetchMore); 798f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 799f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // Fetch more elements. 800f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson EmitBlock(FetchMore); 8011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CountRV = 803ef072fd2f3347cfd857d6eb787b245b950771430John McCall CGM.getObjCRuntime().GenerateMessageSend(*this, ReturnValueSlot(), 804f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson getContext().UnsignedLongTy, 8051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FastEnumSel, 806c6cd5fd3eae71f8841504a396563343cfaaf503eDavid Chisnall Collection, Args); 807f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Builder.CreateStore(CountRV.getScalarVal(), LimitPtr); 808f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Limit = Builder.CreateLoad(LimitPtr); 8091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 810f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson IsZero = Builder.CreateICmpEQ(Limit, Zero, "iszero"); 811f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Builder.CreateCondBr(IsZero, NoElements, LoopStart); 8121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 813f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // No more elements. 814f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson EmitBlock(NoElements); 815f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 816f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson if (!DeclAddress) { 817f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // If the element was not a declaration, set it to be null. 818f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 819f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson LValue LV = EmitLValue(cast<Expr>(S.getElement())); 8201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 821f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // Set the value to null. 822c9c88b4159791c48e486ca94e3743b5979e2b7a6Owen Anderson Builder.CreateStore(llvm::Constant::getNullValue(ConvertType(ElementTy)), 823f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson LV.getAddress()); 824f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson } 825f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 826f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson EmitBlock(LoopEnd); 8273d8400d9a61aa4b63ff35e5cede405b32a41425eAnders Carlsson} 8283d8400d9a61aa4b63ff35e5cede405b32a41425eAnders Carlsson 8291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid CodeGenFunction::EmitObjCAtTryStmt(const ObjCAtTryStmt &S) { 830bd71be4683c195260d5245118b1e13e6b2e20504Fariborz Jahanian CGM.getObjCRuntime().EmitTryOrSynchronizedStmt(*this, S); 83164d5d6c5903157c521af496479d06dc26032d718Anders Carlsson} 83264d5d6c5903157c521af496479d06dc26032d718Anders Carlsson 8331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid CodeGenFunction::EmitObjCAtThrowStmt(const ObjCAtThrowStmt &S) { 83464d5d6c5903157c521af496479d06dc26032d718Anders Carlsson CGM.getObjCRuntime().EmitThrowStmt(*this, S); 83564d5d6c5903157c521af496479d06dc26032d718Anders Carlsson} 83664d5d6c5903157c521af496479d06dc26032d718Anders Carlsson 83710cac6f7115b59a466bb8d2d51cdddeb38aadc37Chris Lattnervoid CodeGenFunction::EmitObjCAtSynchronizedStmt( 8381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const ObjCAtSynchronizedStmt &S) { 839bd71be4683c195260d5245118b1e13e6b2e20504Fariborz Jahanian CGM.getObjCRuntime().EmitTryOrSynchronizedStmt(*this, S); 84010cac6f7115b59a466bb8d2d51cdddeb38aadc37Chris Lattner} 84110cac6f7115b59a466bb8d2d51cdddeb38aadc37Chris Lattner 8422979ec73b4f974d85f2ce84167712177a44c6f09Ted KremenekCGObjCRuntime::~CGObjCRuntime() {} 843