CGObjC.cpp revision 8fac25d33b13e25f512dd921d4d5a4b565f5d175
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 2258fac25d33b13e25f512dd921d4d5a4b565f5d175David Chisnall && CGM.getObjCRuntime().GetGetStructFunction()) { 22697a73cd8e2b81f5aed9f59e07e7787e3fd3b8d00Fariborz Jahanian LValue LV = EmitLValueForIvar(TypeOfSelfObject(), LoadObjCSelf(), 22797a73cd8e2b81f5aed9f59e07e7787e3fd3b8d00Fariborz Jahanian Ivar, 0); 2280b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian llvm::Value *GetCopyStructFn = 2298fac25d33b13e25f512dd921d4d5a4b565f5d175David Chisnall CGM.getObjCRuntime().GetGetStructFunction(); 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) 3568fac25d33b13e25f512dd921d4d5a4b565f5d175David Chisnall && CGM.getObjCRuntime().GetSetStructFunction()) { 3570b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian // objc_copyStruct (&structIvar, &Arg, 3580b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian // sizeof (struct something), true, false); 3590b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian llvm::Value *GetCopyStructFn = 3608fac25d33b13e25f512dd921d4d5a4b565f5d175David Chisnall CGM.getObjCRuntime().GetSetStructFunction(); 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()) { 3892a41637a995affa1563f4d82a8b026e326a2faa0John McCall EmitIgnoredExpr(PID->getSetterCXXAssignment()); 39086957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar } else { 39145e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar // FIXME: Find a clean way to avoid AST node creation. 39286957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar SourceLocation Loc = PD->getLocation(); 39386957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar ValueDecl *Self = OMD->getSelfDecl(); 39486957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar ObjCIvarDecl *Ivar = PID->getPropertyIvarDecl(); 395f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall DeclRefExpr Base(Self, Self->getType(), VK_RValue, Loc); 39689951a86b594513c2a013532ed45d197413b1087Chris Lattner ParmVarDecl *ArgDecl = *OMD->param_begin(); 397f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall DeclRefExpr Arg(ArgDecl, ArgDecl->getType(), VK_LValue, Loc); 39845e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar ObjCIvarRefExpr IvarRef(Ivar, Ivar->getType(), Loc, &Base, true, true); 39945e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar 40045e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar // The property type can differ from the ivar type in some situations with 40145e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar // Objective-C pointer types, we can always bit cast the RHS in these cases. 40245e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar if (getContext().getCanonicalType(Ivar->getType()) != 40345e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar getContext().getCanonicalType(ArgDecl->getType())) { 404f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall ImplicitCastExpr ArgCasted(ImplicitCastExpr::OnStack, 4052de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall Ivar->getType(), CK_BitCast, &Arg, 4065baba9d98364a3525d6afa15a04cdad82fd6dd30John McCall VK_RValue); 4072de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall BinaryOperator Assign(&IvarRef, &ArgCasted, BO_Assign, 408f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Ivar->getType(), VK_RValue, OK_Ordinary, Loc); 40945e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar EmitStmt(&Assign); 41045e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar } else { 4112de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall BinaryOperator Assign(&IvarRef, &Arg, BO_Assign, 412f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Ivar->getType(), VK_RValue, OK_Ordinary, Loc); 41345e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar EmitStmt(&Assign); 41445e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar } 41586957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar } 416af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar 417af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar FinishFunction(); 4184111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner} 4194111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner 420109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanianvoid CodeGenFunction::GenerateObjCCtorDtorMethod(ObjCImplementationDecl *IMP, 421109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian ObjCMethodDecl *MD, 422109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian bool ctor) { 423109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian llvm::SmallVector<CXXBaseOrMemberInitializer *, 8> IvarInitializers; 424109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian MD->createImplicitParams(CGM.getContext(), IMP->getClassInterface()); 425109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian StartObjCMethod(MD, IMP->getClassInterface()); 426109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian for (ObjCImplementationDecl::init_const_iterator B = IMP->init_begin(), 427109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian E = IMP->init_end(); B != E; ++B) { 428109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian CXXBaseOrMemberInitializer *Member = (*B); 429109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian IvarInitializers.push_back(Member); 430109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian } 431109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian if (ctor) { 432109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian for (unsigned I = 0, E = IvarInitializers.size(); I != E; ++I) { 433109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian CXXBaseOrMemberInitializer *IvarInit = IvarInitializers[I]; 43400eb3f9c5b33e3d99aee1f8b75dd9c9678fdd66bFrancois Pichet FieldDecl *Field = IvarInit->getAnyMember(); 435109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian QualType FieldType = Field->getType(); 436109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian ObjCIvarDecl *Ivar = cast<ObjCIvarDecl>(Field); 4379b4d4fc49f30f1caa35d680702f1921afad81971Fariborz Jahanian LValue LV = EmitLValueForIvar(TypeOfSelfObject(), 4389b4d4fc49f30f1caa35d680702f1921afad81971Fariborz Jahanian LoadObjCSelf(), Ivar, 0); 439558d2abc7f9fd6801cc7677200992313ae90b5d8John McCall EmitAggExpr(IvarInit->getInit(), AggValueSlot::forLValue(LV, true)); 440109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian } 441109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian // constructor returns 'self'. 442109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian CodeGenTypes &Types = CGM.getTypes(); 443109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian QualType IdTy(CGM.getContext().getObjCIdType()); 444109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian llvm::Value *SelfAsId = 445109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian Builder.CreateBitCast(LoadObjCSelf(), Types.ConvertType(IdTy)); 446109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian EmitReturnOfRValue(RValue::get(SelfAsId), IdTy); 447bc397cf90355f17c974b0bdf3960e8fb38caf5d6Chandler Carruth } else { 448109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian // dtor 449109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian for (size_t i = IvarInitializers.size(); i > 0; --i) { 45000eb3f9c5b33e3d99aee1f8b75dd9c9678fdd66bFrancois Pichet FieldDecl *Field = IvarInitializers[i - 1]->getAnyMember(); 451109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian QualType FieldType = Field->getType(); 4529b4d4fc49f30f1caa35d680702f1921afad81971Fariborz Jahanian const ConstantArrayType *Array = 4539b4d4fc49f30f1caa35d680702f1921afad81971Fariborz Jahanian getContext().getAsConstantArrayType(FieldType); 4549b4d4fc49f30f1caa35d680702f1921afad81971Fariborz Jahanian if (Array) 4559b4d4fc49f30f1caa35d680702f1921afad81971Fariborz Jahanian FieldType = getContext().getBaseElementType(FieldType); 4569b4d4fc49f30f1caa35d680702f1921afad81971Fariborz Jahanian 457109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian ObjCIvarDecl *Ivar = cast<ObjCIvarDecl>(Field); 458109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian LValue LV = EmitLValueForIvar(TypeOfSelfObject(), 459109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian LoadObjCSelf(), Ivar, 0); 460109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian const RecordType *RT = FieldType->getAs<RecordType>(); 461109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian CXXRecordDecl *FieldClassDecl = cast<CXXRecordDecl>(RT->getDecl()); 4621d110e05e0ff48c1c7a483d6b7fd094cdf28316aDouglas Gregor CXXDestructorDecl *Dtor = FieldClassDecl->getDestructor(); 463bc397cf90355f17c974b0bdf3960e8fb38caf5d6Chandler Carruth if (!Dtor->isTrivial()) { 4648b688ed1d56065458d9e22f813577e0dff5c488eFariborz Jahanian if (Array) { 4658b688ed1d56065458d9e22f813577e0dff5c488eFariborz Jahanian const llvm::Type *BasePtr = ConvertType(FieldType); 4668b688ed1d56065458d9e22f813577e0dff5c488eFariborz Jahanian BasePtr = llvm::PointerType::getUnqual(BasePtr); 4678b688ed1d56065458d9e22f813577e0dff5c488eFariborz Jahanian llvm::Value *BaseAddrPtr = 4688b688ed1d56065458d9e22f813577e0dff5c488eFariborz Jahanian Builder.CreateBitCast(LV.getAddress(), BasePtr); 4698b688ed1d56065458d9e22f813577e0dff5c488eFariborz Jahanian EmitCXXAggrDestructorCall(Dtor, 4708b688ed1d56065458d9e22f813577e0dff5c488eFariborz Jahanian Array, BaseAddrPtr); 471bc397cf90355f17c974b0bdf3960e8fb38caf5d6Chandler Carruth } else { 4728b688ed1d56065458d9e22f813577e0dff5c488eFariborz Jahanian EmitCXXDestructorCall(Dtor, 4738b688ed1d56065458d9e22f813577e0dff5c488eFariborz Jahanian Dtor_Complete, /*ForVirtualBase=*/false, 4748b688ed1d56065458d9e22f813577e0dff5c488eFariborz Jahanian LV.getAddress()); 475bc397cf90355f17c974b0bdf3960e8fb38caf5d6Chandler Carruth } 476bc397cf90355f17c974b0bdf3960e8fb38caf5d6Chandler Carruth } 477bc397cf90355f17c974b0bdf3960e8fb38caf5d6Chandler Carruth } 478109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian } 479109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian FinishFunction(); 480109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian} 481109dfc6ca6652f60c55ed0f2631aebf323d0200dFariborz Jahanian 4820b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanianbool CodeGenFunction::IndirectObjCSetterArg(const CGFunctionInfo &FI) { 4830b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian CGFunctionInfo::const_arg_iterator it = FI.arg_begin(); 4840b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian it++; it++; 4850b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian const ABIArgInfo &AI = it->info; 4860b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian // FIXME. Is this sufficient check? 4870b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian return (AI.getKind() == ABIArgInfo::Indirect); 4880b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian} 4890b2bd47151ee9205ad6c66d1ffb921918106088aFariborz Jahanian 49015bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanianbool CodeGenFunction::IvarTypeWithAggrGCObjects(QualType Ty) { 49115bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian if (CGM.getLangOptions().getGCMode() == LangOptions::NonGC) 49215bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian return false; 49315bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian if (const RecordType *FDTTy = Ty.getTypePtr()->getAs<RecordType>()) 49415bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian return FDTTy->getDecl()->hasObjectMember(); 49515bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian return false; 49615bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian} 49715bd58842adaa4f8cca4e58047ed18e033858d9bFariborz Jahanian 498c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbarllvm::Value *CodeGenFunction::LoadObjCSelf() { 499b7ec246872b412f0e7bb9e93eacfd78cfa6adfb3Daniel Dunbar const ObjCMethodDecl *OMD = cast<ObjCMethodDecl>(CurFuncDecl); 500b7ec246872b412f0e7bb9e93eacfd78cfa6adfb3Daniel Dunbar return Builder.CreateLoad(LocalDeclMap[OMD->getSelfDecl()], "self"); 5014111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner} 5024111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner 50345012a7ef5abf1042c893f3f2fa5c23cb5485ea9Fariborz JahanianQualType CodeGenFunction::TypeOfSelfObject() { 50445012a7ef5abf1042c893f3f2fa5c23cb5485ea9Fariborz Jahanian const ObjCMethodDecl *OMD = cast<ObjCMethodDecl>(CurFuncDecl); 50545012a7ef5abf1042c893f3f2fa5c23cb5485ea9Fariborz Jahanian ImplicitParamDecl *selfDecl = OMD->getSelfDecl(); 50614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff const ObjCObjectPointerType *PTy = cast<ObjCObjectPointerType>( 50714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff getContext().getCanonicalType(selfDecl->getType())); 50845012a7ef5abf1042c893f3f2fa5c23cb5485ea9Fariborz Jahanian return PTy->getPointeeType(); 50945012a7ef5abf1042c893f3f2fa5c23cb5485ea9Fariborz Jahanian} 51045012a7ef5abf1042c893f3f2fa5c23cb5485ea9Fariborz Jahanian 511e68b9842d2d6adc2c72c81c845a2c68e58d9d3a4John McCallLValue 512e68b9842d2d6adc2c72c81c845a2c68e58d9d3a4John McCallCodeGenFunction::EmitObjCPropertyRefLValue(const ObjCPropertyRefExpr *E) { 513e68b9842d2d6adc2c72c81c845a2c68e58d9d3a4John McCall // This is a special l-value that just issues sends when we load or 514e68b9842d2d6adc2c72c81c845a2c68e58d9d3a4John McCall // store through it. 515e68b9842d2d6adc2c72c81c845a2c68e58d9d3a4John McCall 516e68b9842d2d6adc2c72c81c845a2c68e58d9d3a4John McCall // For certain base kinds, we need to emit the base immediately. 517e68b9842d2d6adc2c72c81c845a2c68e58d9d3a4John McCall llvm::Value *Base; 518e68b9842d2d6adc2c72c81c845a2c68e58d9d3a4John McCall if (E->isSuperReceiver()) 519e68b9842d2d6adc2c72c81c845a2c68e58d9d3a4John McCall Base = LoadObjCSelf(); 520e68b9842d2d6adc2c72c81c845a2c68e58d9d3a4John McCall else if (E->isClassReceiver()) 521e68b9842d2d6adc2c72c81c845a2c68e58d9d3a4John McCall Base = CGM.getObjCRuntime().GetClass(Builder, E->getClassReceiver()); 522e68b9842d2d6adc2c72c81c845a2c68e58d9d3a4John McCall else 523e68b9842d2d6adc2c72c81c845a2c68e58d9d3a4John McCall Base = EmitScalarExpr(E->getBase()); 524e68b9842d2d6adc2c72c81c845a2c68e58d9d3a4John McCall return LValue::MakePropertyRef(E, Base); 525e68b9842d2d6adc2c72c81c845a2c68e58d9d3a4John McCall} 526e68b9842d2d6adc2c72c81c845a2c68e58d9d3a4John McCall 527e68b9842d2d6adc2c72c81c845a2c68e58d9d3a4John McCallstatic RValue GenerateMessageSendSuper(CodeGenFunction &CGF, 528e68b9842d2d6adc2c72c81c845a2c68e58d9d3a4John McCall ReturnValueSlot Return, 529e68b9842d2d6adc2c72c81c845a2c68e58d9d3a4John McCall QualType ResultType, 530e68b9842d2d6adc2c72c81c845a2c68e58d9d3a4John McCall Selector S, 531e68b9842d2d6adc2c72c81c845a2c68e58d9d3a4John McCall llvm::Value *Receiver, 532e68b9842d2d6adc2c72c81c845a2c68e58d9d3a4John McCall const CallArgList &CallArgs) { 533e68b9842d2d6adc2c72c81c845a2c68e58d9d3a4John McCall const ObjCMethodDecl *OMD = cast<ObjCMethodDecl>(CGF.CurFuncDecl); 534f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian bool isClassMessage = OMD->isClassMethod(); 535f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian bool isCategoryImpl = isa<ObjCCategoryImplDecl>(OMD->getDeclContext()); 536e68b9842d2d6adc2c72c81c845a2c68e58d9d3a4John McCall return CGF.CGM.getObjCRuntime() 537e68b9842d2d6adc2c72c81c845a2c68e58d9d3a4John McCall .GenerateMessageSendSuper(CGF, Return, ResultType, 538e68b9842d2d6adc2c72c81c845a2c68e58d9d3a4John McCall S, OMD->getClassInterface(), 539e68b9842d2d6adc2c72c81c845a2c68e58d9d3a4John McCall isCategoryImpl, Receiver, 540e68b9842d2d6adc2c72c81c845a2c68e58d9d3a4John McCall isClassMessage, CallArgs); 541f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian} 542f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian 543119a1c6c4029d30cae7b31a2826aa0ff70d01668John McCallRValue CodeGenFunction::EmitLoadOfPropertyRefLValue(LValue LV, 544119a1c6c4029d30cae7b31a2826aa0ff70d01668John McCall ReturnValueSlot Return) { 545119a1c6c4029d30cae7b31a2826aa0ff70d01668John McCall const ObjCPropertyRefExpr *E = LV.getPropertyRefExpr(); 54612f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall QualType ResultType; 54712f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall Selector S; 54812f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall if (E->isExplicitProperty()) { 54912f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall const ObjCPropertyDecl *Property = E->getExplicitProperty(); 55012f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall S = Property->getGetterName(); 55112f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall ResultType = E->getType(); 552b3589f44c5d295cd41de2c83f3475116835eeebdMike Stump } else { 55312f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall const ObjCMethodDecl *Getter = E->getImplicitPropertyGetter(); 55412f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall S = Getter->getSelector(); 55512f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall ResultType = Getter->getResultType(); // with reference! 5565daf570d0ce027e18ed5f9d66e6b2a14a40b720dFariborz Jahanian } 55712f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall 558e68b9842d2d6adc2c72c81c845a2c68e58d9d3a4John McCall llvm::Value *Receiver = LV.getPropertyRefBaseAddr(); 559e68b9842d2d6adc2c72c81c845a2c68e58d9d3a4John McCall 560e68b9842d2d6adc2c72c81c845a2c68e58d9d3a4John McCall // Accesses to 'super' follow a different code path. 56112f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall if (E->isSuperReceiver()) 562e68b9842d2d6adc2c72c81c845a2c68e58d9d3a4John McCall return GenerateMessageSendSuper(*this, Return, ResultType, 563e68b9842d2d6adc2c72c81c845a2c68e58d9d3a4John McCall S, Receiver, CallArgList()); 56412f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall 565119a1c6c4029d30cae7b31a2826aa0ff70d01668John McCall const ObjCInterfaceDecl *ReceiverClass 566119a1c6c4029d30cae7b31a2826aa0ff70d01668John McCall = (E->isClassReceiver() ? E->getClassReceiver() : 0); 56712f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall return CGM.getObjCRuntime(). 56812f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall GenerateMessageSend(*this, Return, ResultType, S, 56912f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall Receiver, CallArgList(), ReceiverClass); 5709c3fc703b29a31d40bcf5027dbb4784dd393804eDaniel Dunbar} 5719c3fc703b29a31d40bcf5027dbb4784dd393804eDaniel Dunbar 572119a1c6c4029d30cae7b31a2826aa0ff70d01668John McCallvoid CodeGenFunction::EmitStoreThroughPropertyRefLValue(RValue Src, 573119a1c6c4029d30cae7b31a2826aa0ff70d01668John McCall LValue Dst) { 574119a1c6c4029d30cae7b31a2826aa0ff70d01668John McCall const ObjCPropertyRefExpr *E = Dst.getPropertyRefExpr(); 57512f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall Selector S = E->getSetterSelector(); 57612f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall QualType ArgType; 57712f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall if (E->isImplicitProperty()) { 57812f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall const ObjCMethodDecl *Setter = E->getImplicitPropertySetter(); 57912f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall ObjCMethodDecl::param_iterator P = Setter->param_begin(); 58012f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall ArgType = (*P)->getType(); 58112f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall } else { 58212f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall ArgType = E->getType(); 58312f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall } 58412f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall 585e68b9842d2d6adc2c72c81c845a2c68e58d9d3a4John McCall CallArgList Args; 586e68b9842d2d6adc2c72c81c845a2c68e58d9d3a4John McCall Args.push_back(std::make_pair(Src, ArgType)); 587e68b9842d2d6adc2c72c81c845a2c68e58d9d3a4John McCall 588e68b9842d2d6adc2c72c81c845a2c68e58d9d3a4John McCall llvm::Value *Receiver = Dst.getPropertyRefBaseAddr(); 589e68b9842d2d6adc2c72c81c845a2c68e58d9d3a4John McCall QualType ResultType = getContext().VoidTy; 590e68b9842d2d6adc2c72c81c845a2c68e58d9d3a4John McCall 59112f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall if (E->isSuperReceiver()) { 592e68b9842d2d6adc2c72c81c845a2c68e58d9d3a4John McCall GenerateMessageSendSuper(*this, ReturnValueSlot(), 593e68b9842d2d6adc2c72c81c845a2c68e58d9d3a4John McCall ResultType, S, Receiver, Args); 59412f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall return; 59512f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall } 59612f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall 597119a1c6c4029d30cae7b31a2826aa0ff70d01668John McCall const ObjCInterfaceDecl *ReceiverClass 598119a1c6c4029d30cae7b31a2826aa0ff70d01668John McCall = (E->isClassReceiver() ? E->getClassReceiver() : 0); 59912f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall 60012f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall CGM.getObjCRuntime().GenerateMessageSend(*this, ReturnValueSlot(), 601e68b9842d2d6adc2c72c81c845a2c68e58d9d3a4John McCall ResultType, S, Receiver, Args, 602e68b9842d2d6adc2c72c81c845a2c68e58d9d3a4John McCall ReceiverClass); 60385c59edda02df48fae8dc85049743319bc6e7e89Daniel Dunbar} 60485c59edda02df48fae8dc85049743319bc6e7e89Daniel Dunbar 60574391b48b4791cded373683a3baf67314f358d50Chris Lattnervoid CodeGenFunction::EmitObjCForCollectionStmt(const ObjCForCollectionStmt &S){ 6061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Constant *EnumerationMutationFn = 607c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar CGM.getObjCRuntime().EnumerationMutationFunction(); 608f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson llvm::Value *DeclAddress; 609f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson QualType ElementTy; 6101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 611c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar if (!EnumerationMutationFn) { 612c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar CGM.ErrorUnsupported(&S, "Obj-C fast enumeration for this runtime"); 613c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar return; 614c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar } 615c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar 616f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson if (const DeclStmt *SD = dyn_cast<DeclStmt>(S.getElement())) { 617f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson EmitStmt(SD); 618a448fb2da03ece39978784793eea68760e8205a1Daniel Dunbar assert(HaveInsertPoint() && "DeclStmt destroyed insert point!"); 6197e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner const Decl* D = SD->getSingleDecl(); 62039741cecde917affbcbdfb2942ff1a9eae8f3488Ted Kremenek ElementTy = cast<ValueDecl>(D)->getType(); 6211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclAddress = LocalDeclMap[D]; 622f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson } else { 623f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson ElementTy = cast<Expr>(S.getElement())->getType(); 624f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson DeclAddress = 0; 625f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson } 6261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 627f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // Fast enumeration state. 628f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson QualType StateTy = getContext().getObjCFastEnumerationStateType(); 629195337d2e5d4625ae9dc1328c7cdbc7115b0261bDaniel Dunbar llvm::Value *StatePtr = CreateMemTemp(StateTy, "state.ptr"); 6301884eb0b5c55edda4893ddec45e7dbad79758782Anders Carlsson EmitNullInitialization(StatePtr, StateTy); 6311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 632f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // Number of elements in the items array. 6332abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson static const unsigned NumItems = 16; 6341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 635f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // Get selector 636ad4688669579d5d7b025137a095be66936d7ea31Benjamin Kramer IdentifierInfo *II[] = { 637ad4688669579d5d7b025137a095be66936d7ea31Benjamin Kramer &CGM.getContext().Idents.get("countByEnumeratingWithState"), 638ad4688669579d5d7b025137a095be66936d7ea31Benjamin Kramer &CGM.getContext().Idents.get("objects"), 639ad4688669579d5d7b025137a095be66936d7ea31Benjamin Kramer &CGM.getContext().Idents.get("count") 640ad4688669579d5d7b025137a095be66936d7ea31Benjamin Kramer }; 641ad4688669579d5d7b025137a095be66936d7ea31Benjamin Kramer Selector FastEnumSel = 642ad4688669579d5d7b025137a095be66936d7ea31Benjamin Kramer CGM.getContext().Selectors.getSelector(llvm::array_lengthof(II), &II[0]); 643f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 644f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson QualType ItemsTy = 645f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson getContext().getConstantArrayType(getContext().getObjCIdType(), 6461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::APInt(32, NumItems), 647f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson ArrayType::Normal, 0); 648195337d2e5d4625ae9dc1328c7cdbc7115b0261bDaniel Dunbar llvm::Value *ItemsPtr = CreateMemTemp(ItemsTy, "items.ptr"); 6491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 650f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson llvm::Value *Collection = EmitScalarExpr(S.getCollection()); 6511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 652f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson CallArgList Args; 6531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Args.push_back(std::make_pair(RValue::get(StatePtr), 654f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson getContext().getPointerType(StateTy))); 6551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Args.push_back(std::make_pair(RValue::get(ItemsPtr), 657f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson getContext().getPointerType(ItemsTy))); 6581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 659f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson const llvm::Type *UnsignedLongLTy = ConvertType(getContext().UnsignedLongTy); 6604a28d5deeba33722aa009eab488591fb9055cc7eOwen Anderson llvm::Constant *Count = llvm::ConstantInt::get(UnsignedLongLTy, NumItems); 6611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Args.push_back(std::make_pair(RValue::get(Count), 66246f45b9bec4a265ad8400a538e5ec3a5683617f1Daniel Dunbar getContext().UnsignedLongTy)); 6631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump RValue CountRV = 665ef072fd2f3347cfd857d6eb787b245b950771430John McCall CGM.getObjCRuntime().GenerateMessageSend(*this, ReturnValueSlot(), 666f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson getContext().UnsignedLongTy, 667f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson FastEnumSel, 668c6cd5fd3eae71f8841504a396563343cfaaf503eDavid Chisnall Collection, Args); 669f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 670195337d2e5d4625ae9dc1328c7cdbc7115b0261bDaniel Dunbar llvm::Value *LimitPtr = CreateMemTemp(getContext().UnsignedLongTy, 671195337d2e5d4625ae9dc1328c7cdbc7115b0261bDaniel Dunbar "limit.ptr"); 672f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Builder.CreateStore(CountRV.getScalarVal(), LimitPtr); 6731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 67455e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar llvm::BasicBlock *NoElements = createBasicBlock("noelements"); 67555e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar llvm::BasicBlock *SetStartMutations = createBasicBlock("setstartmutations"); 6761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 677f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson llvm::Value *Limit = Builder.CreateLoad(LimitPtr); 678c9c88b4159791c48e486ca94e3743b5979e2b7a6Owen Anderson llvm::Value *Zero = llvm::Constant::getNullValue(UnsignedLongLTy); 679f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 680f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson llvm::Value *IsZero = Builder.CreateICmpEQ(Limit, Zero, "iszero"); 6812abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson Builder.CreateCondBr(IsZero, NoElements, SetStartMutations); 682f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 6832abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson EmitBlock(SetStartMutations); 6841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 685195337d2e5d4625ae9dc1328c7cdbc7115b0261bDaniel Dunbar llvm::Value *StartMutationsPtr = CreateMemTemp(getContext().UnsignedLongTy); 6861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *StateMutationsPtrPtr = 6882abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson Builder.CreateStructGEP(StatePtr, 2, "mutationsptr.ptr"); 6891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *StateMutationsPtr = Builder.CreateLoad(StateMutationsPtrPtr, 6902abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson "mutationsptr"); 6911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *StateMutations = Builder.CreateLoad(StateMutationsPtr, 6932abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson "mutations"); 6941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6952abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson Builder.CreateStore(StateMutations, StartMutationsPtr); 6961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 69755e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar llvm::BasicBlock *LoopStart = createBasicBlock("loopstart"); 698f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson EmitBlock(LoopStart); 699f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 700195337d2e5d4625ae9dc1328c7cdbc7115b0261bDaniel Dunbar llvm::Value *CounterPtr = CreateMemTemp(getContext().UnsignedLongTy, 701195337d2e5d4625ae9dc1328c7cdbc7115b0261bDaniel Dunbar "counter.ptr"); 702f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Builder.CreateStore(Zero, CounterPtr); 7031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::BasicBlock *LoopBody = createBasicBlock("loopbody"); 705f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson EmitBlock(LoopBody); 706f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 7072abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson StateMutationsPtr = Builder.CreateLoad(StateMutationsPtrPtr, "mutationsptr"); 7082abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson StateMutations = Builder.CreateLoad(StateMutationsPtr, "statemutations"); 7092abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson 7101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *StartMutations = Builder.CreateLoad(StartMutationsPtr, 7112abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson "mutations"); 7121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *MutationsEqual = Builder.CreateICmpEQ(StateMutations, 7132abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson StartMutations, 7142abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson "tobool"); 7151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 71755e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar llvm::BasicBlock *WasMutated = createBasicBlock("wasmutated"); 71855e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar llvm::BasicBlock *WasNotMutated = createBasicBlock("wasnotmutated"); 7191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7202abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson Builder.CreateCondBr(MutationsEqual, WasNotMutated, WasMutated); 7211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7222abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson EmitBlock(WasMutated); 7232abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson llvm::Value *V = 7241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Builder.CreateBitCast(Collection, 7252abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson ConvertType(getContext().getObjCIdType()), 7262abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson "tmp"); 7272b2105e92fc77016992dae3f117f526e73af5ea9Daniel Dunbar CallArgList Args2; 7281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Args2.push_back(std::make_pair(RValue::get(V), 7292b2105e92fc77016992dae3f117f526e73af5ea9Daniel Dunbar getContext().getObjCIdType())); 730f5408fe484495ee4efbdd709c8a2c2fdbbbdb328Mike Stump // FIXME: We shouldn't need to get the function info here, the runtime already 731f5408fe484495ee4efbdd709c8a2c2fdbbbdb328Mike Stump // should have computed it to build the function. 73204a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall EmitCall(CGM.getTypes().getFunctionInfo(getContext().VoidTy, Args2, 733264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo()), 734f3c47c9525153aea2de0ec4bd615b9cf2d81c103Anders Carlsson EnumerationMutationFn, ReturnValueSlot(), Args2); 7351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7362abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson EmitBlock(WasNotMutated); 7371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *StateItemsPtr = 739f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Builder.CreateStructGEP(StatePtr, 1, "stateitems.ptr"); 740f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 741f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson llvm::Value *Counter = Builder.CreateLoad(CounterPtr, "counter"); 742f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 743f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson llvm::Value *EnumStateItems = Builder.CreateLoad(StateItemsPtr, 744f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson "stateitems"); 745f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 7461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *CurrentItemPtr = 747f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Builder.CreateGEP(EnumStateItems, Counter, "currentitem.ptr"); 7481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 749f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson llvm::Value *CurrentItem = Builder.CreateLoad(CurrentItemPtr, "currentitem"); 7501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 751f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // Cast the item to the right type. 752f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson CurrentItem = Builder.CreateBitCast(CurrentItem, 753f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson ConvertType(ElementTy), "tmp"); 7541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 755f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson if (!DeclAddress) { 756f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson LValue LV = EmitLValue(cast<Expr>(S.getElement())); 7571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 758f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // Set the value to null. 759f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Builder.CreateStore(CurrentItem, LV.getAddress()); 760f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson } else 761f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Builder.CreateStore(CurrentItem, DeclAddress); 7621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 763f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // Increment the counter. 7641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Counter = Builder.CreateAdd(Counter, 7654a28d5deeba33722aa009eab488591fb9055cc7eOwen Anderson llvm::ConstantInt::get(UnsignedLongLTy, 1)); 766f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Builder.CreateStore(Counter, CounterPtr); 7671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 768f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall JumpDest LoopEnd = getJumpDestInCurrentScope("loopend"); 769f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall JumpDest AfterBody = getJumpDestInCurrentScope("afterbody"); 7701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 771e4b6d342c29d5cb9d311756100df1603810fa892Anders Carlsson BreakContinueStack.push_back(BreakContinue(LoopEnd, AfterBody)); 772f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 773f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson EmitStmt(S.getBody()); 7741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 775f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson BreakContinueStack.pop_back(); 7761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 777ff8e11579fc904aa4032d90d2be6ce1ac5fc9fe1John McCall EmitBlock(AfterBody.getBlock()); 7781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 77955e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar llvm::BasicBlock *FetchMore = createBasicBlock("fetchmore"); 780f0906c4edb37b20141428ca77fa7dfd00b976eafFariborz Jahanian 781f0906c4edb37b20141428ca77fa7dfd00b976eafFariborz Jahanian Counter = Builder.CreateLoad(CounterPtr); 782f0906c4edb37b20141428ca77fa7dfd00b976eafFariborz Jahanian Limit = Builder.CreateLoad(LimitPtr); 783f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson llvm::Value *IsLess = Builder.CreateICmpULT(Counter, Limit, "isless"); 784fe2b2c08984f861f82339138302689480c658ecdDaniel Dunbar Builder.CreateCondBr(IsLess, LoopBody, FetchMore); 785f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 786f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // Fetch more elements. 787f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson EmitBlock(FetchMore); 7881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CountRV = 790ef072fd2f3347cfd857d6eb787b245b950771430John McCall CGM.getObjCRuntime().GenerateMessageSend(*this, ReturnValueSlot(), 791f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson getContext().UnsignedLongTy, 7921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FastEnumSel, 793c6cd5fd3eae71f8841504a396563343cfaaf503eDavid Chisnall Collection, Args); 794f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Builder.CreateStore(CountRV.getScalarVal(), LimitPtr); 795f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Limit = Builder.CreateLoad(LimitPtr); 7961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 797f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson IsZero = Builder.CreateICmpEQ(Limit, Zero, "iszero"); 798f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Builder.CreateCondBr(IsZero, NoElements, LoopStart); 7991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 800f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // No more elements. 801f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson EmitBlock(NoElements); 802f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 803f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson if (!DeclAddress) { 804f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // If the element was not a declaration, set it to be null. 805f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 806f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson LValue LV = EmitLValue(cast<Expr>(S.getElement())); 8071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 808f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // Set the value to null. 809c9c88b4159791c48e486ca94e3743b5979e2b7a6Owen Anderson Builder.CreateStore(llvm::Constant::getNullValue(ConvertType(ElementTy)), 810f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson LV.getAddress()); 811f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson } 812f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 813ff8e11579fc904aa4032d90d2be6ce1ac5fc9fe1John McCall EmitBlock(LoopEnd.getBlock()); 8143d8400d9a61aa4b63ff35e5cede405b32a41425eAnders Carlsson} 8153d8400d9a61aa4b63ff35e5cede405b32a41425eAnders Carlsson 8161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid CodeGenFunction::EmitObjCAtTryStmt(const ObjCAtTryStmt &S) { 817f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall CGM.getObjCRuntime().EmitTryStmt(*this, S); 81864d5d6c5903157c521af496479d06dc26032d718Anders Carlsson} 81964d5d6c5903157c521af496479d06dc26032d718Anders Carlsson 8201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid CodeGenFunction::EmitObjCAtThrowStmt(const ObjCAtThrowStmt &S) { 82164d5d6c5903157c521af496479d06dc26032d718Anders Carlsson CGM.getObjCRuntime().EmitThrowStmt(*this, S); 82264d5d6c5903157c521af496479d06dc26032d718Anders Carlsson} 82364d5d6c5903157c521af496479d06dc26032d718Anders Carlsson 82410cac6f7115b59a466bb8d2d51cdddeb38aadc37Chris Lattnervoid CodeGenFunction::EmitObjCAtSynchronizedStmt( 8251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const ObjCAtSynchronizedStmt &S) { 826f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall CGM.getObjCRuntime().EmitSynchronizedStmt(*this, S); 82710cac6f7115b59a466bb8d2d51cdddeb38aadc37Chris Lattner} 82810cac6f7115b59a466bb8d2d51cdddeb38aadc37Chris Lattner 8292979ec73b4f974d85f2ce84167712177a44c6f09Ted KremenekCGObjCRuntime::~CGObjCRuntime() {} 830f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall 831f1549f66a8216a78112286e3978cea2c29d6334cJohn McCall 832