CGObjC.cpp revision 195337d2e5d4625ae9dc1328c7cdbc7115b0261b
15508518a2702b00be3b15a26d772bde968972f54Anders Carlsson//===---- CGBuiltin.cpp - Emit LLVM Code for builtins ---------------------===// 25508518a2702b00be3b15a26d772bde968972f54Anders Carlsson// 35508518a2702b00be3b15a26d772bde968972f54Anders Carlsson// The LLVM Compiler Infrastructure 45508518a2702b00be3b15a26d772bde968972f54Anders Carlsson// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 75508518a2702b00be3b15a26d772bde968972f54Anders Carlsson// 85508518a2702b00be3b15a26d772bde968972f54Anders Carlsson//===----------------------------------------------------------------------===// 95508518a2702b00be3b15a26d772bde968972f54Anders Carlsson// 105508518a2702b00be3b15a26d772bde968972f54Anders Carlsson// This contains code to emit Objective-C code as LLVM code. 115508518a2702b00be3b15a26d772bde968972f54Anders Carlsson// 125508518a2702b00be3b15a26d772bde968972f54Anders Carlsson//===----------------------------------------------------------------------===// 135508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 142979ec73b4f974d85f2ce84167712177a44c6f09Ted Kremenek#include "CGObjCRuntime.h" 155508518a2702b00be3b15a26d772bde968972f54Anders Carlsson#include "CodeGenFunction.h" 165508518a2702b00be3b15a26d772bde968972f54Anders Carlsson#include "CodeGenModule.h" 1785c59edda02df48fae8dc85049743319bc6e7e89Daniel Dunbar#include "clang/AST/ASTContext.h" 18c4a1dea2dc56bd1357ec91b829a0b9e68229a13eDaniel Dunbar#include "clang/AST/DeclObjC.h" 1916f0049415ec596504891259e2a83e19871c0d52Chris Lattner#include "clang/AST/StmtObjC.h" 20e66f4e3e3ae9d7d11b0c302211066fad69228abaDaniel Dunbar#include "clang/Basic/Diagnostic.h" 213d8400d9a61aa4b63ff35e5cede405b32a41425eAnders Carlsson#include "llvm/ADT/STLExtras.h" 22c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar#include "llvm/Target/TargetData.h" 235508518a2702b00be3b15a26d772bde968972f54Anders Carlssonusing namespace clang; 245508518a2702b00be3b15a26d772bde968972f54Anders Carlssonusing namespace CodeGen; 255508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 268fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner/// Emits an instance of NSConstantString representing the object. 271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpllvm::Value *CodeGenFunction::EmitObjCStringLiteral(const ObjCStringLiteral *E) 2871fcec9abf2ce66d5e17a24bd021680e94e42f0dDaniel Dunbar{ 290d13f6fdbdd6f06e2449b8834dda53334abd399aDavid Chisnall llvm::Constant *C = 300d13f6fdbdd6f06e2449b8834dda53334abd399aDavid Chisnall CGM.getObjCRuntime().GenerateConstantString(E->getString()); 31ed7c618f849e2541b1d0288c43154937652c5b15Daniel Dunbar // FIXME: This bitcast should just be made an invariant on the Runtime. 323c4972def972f8ca44dcd0561779a12aaa6fec97Owen Anderson return llvm::ConstantExpr::getBitCast(C, ConvertType(E->getType())); 338fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner} 348fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner 358fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner/// Emit a selector. 368fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattnerllvm::Value *CodeGenFunction::EmitObjCSelectorExpr(const ObjCSelectorExpr *E) { 378fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner // Untyped selector. 388fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner // Note that this implementation allows for non-constant strings to be passed 398fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner // as arguments to @selector(). Currently, the only thing preventing this 408fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner // behaviour is the type checking in the front end. 416d5a1c28593443f3973ef38f8fa042d59182412dDaniel Dunbar return CGM.getObjCRuntime().GetSelector(Builder, E->getSelector()); 428fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner} 438fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner 44ed7c618f849e2541b1d0288c43154937652c5b15Daniel Dunbarllvm::Value *CodeGenFunction::EmitObjCProtocolExpr(const ObjCProtocolExpr *E) { 45ed7c618f849e2541b1d0288c43154937652c5b15Daniel Dunbar // FIXME: This should pass the Decl not the name. 46ed7c618f849e2541b1d0288c43154937652c5b15Daniel Dunbar return CGM.getObjCRuntime().GenerateProtocolRef(Builder, E->getProtocol()); 47ed7c618f849e2541b1d0288c43154937652c5b15Daniel Dunbar} 488fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner 498fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner 508f2926b73ed635afecd020da787af6a837601a2bDaniel DunbarRValue CodeGenFunction::EmitObjCMessageExpr(const ObjCMessageExpr *E) { 518fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner // Only the lookup mechanism and first two arguments of the method 528fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner // implementation vary between runtimes. We can get the receiver and 538fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner // arguments in generic code. 541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 55208ff5e8a073de2a5d15cbe03cab8a4c0d935e28Daniel Dunbar CGObjCRuntime &Runtime = CGM.getObjCRuntime(); 568fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner const Expr *ReceiverExpr = E->getReceiver(); 578fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner bool isSuperMessage = false; 58f56f1913e91ad32bed52dd3f6afc26735d336584Daniel Dunbar bool isClassMessage = false; 598fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner // Find the receiver 608fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner llvm::Value *Receiver; 618fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner if (!ReceiverExpr) { 62ddb2a3d55a24a1dbdf9152621642d9a4b4fc2f61Daniel Dunbar const ObjCInterfaceDecl *OID = E->getClassInfo().first; 63ddb2a3d55a24a1dbdf9152621642d9a4b4fc2f61Daniel Dunbar 64ddb2a3d55a24a1dbdf9152621642d9a4b4fc2f61Daniel Dunbar // Very special case, super send in class method. The receiver is 65ddb2a3d55a24a1dbdf9152621642d9a4b4fc2f61Daniel Dunbar // self (the class object) and the send uses super semantics. 66ddb2a3d55a24a1dbdf9152621642d9a4b4fc2f61Daniel Dunbar if (!OID) { 6792e62b02226410bcad8584541b8f1ff4d35ebab9Chris Lattner assert(E->getClassName()->isStr("super") && 68ddb2a3d55a24a1dbdf9152621642d9a4b4fc2f61Daniel Dunbar "Unexpected missing class interface in message send."); 69ddb2a3d55a24a1dbdf9152621642d9a4b4fc2f61Daniel Dunbar isSuperMessage = true; 70f56f1913e91ad32bed52dd3f6afc26735d336584Daniel Dunbar Receiver = LoadObjCSelf(); 71f56f1913e91ad32bed52dd3f6afc26735d336584Daniel Dunbar } else { 72f56f1913e91ad32bed52dd3f6afc26735d336584Daniel Dunbar Receiver = Runtime.GetClass(Builder, OID); 738fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner } 741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 75f56f1913e91ad32bed52dd3f6afc26735d336584Daniel Dunbar isClassMessage = true; 76cd9b46e5442a3ef17f83f75177d8545cb5b3e2b9Douglas Gregor } else if (isa<ObjCSuperExpr>(E->getReceiver())) { 778fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner isSuperMessage = true; 788fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner Receiver = LoadObjCSelf(); 798fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner } else { 802bedbf8549bb33293c6a53e5da6cbd8de290d014Daniel Dunbar Receiver = EmitScalarExpr(E->getReceiver()); 818fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner } 828fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner 8319cd87eb5fb3c197e631ce08fd52c446c4d4e8f1Daniel Dunbar CallArgList Args; 84131038e2125d98f1be0d9cb62561a7cede41bb44Anders Carlsson EmitCallArgs(Args, E->getMethodDecl(), E->arg_begin(), E->arg_end()); 851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 868fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner if (isSuperMessage) { 879384c768e93f270118a30ce96546083a666da284Chris Lattner // super is only valid in an Objective-C method 889384c768e93f270118a30ce96546083a666da284Chris Lattner const ObjCMethodDecl *OMD = cast<ObjCMethodDecl>(CurFuncDecl); 897ce77920a35060f1c8dd72e541e42ce296ccd168Fariborz Jahanian bool isCategoryImpl = isa<ObjCCategoryImplDecl>(OMD->getDeclContext()); 907f8ea5c5b3a6a4332a841eefdd86b0726722ea7bDaniel Dunbar return Runtime.GenerateMessageSendSuper(*this, E->getType(), 917f8ea5c5b3a6a4332a841eefdd86b0726722ea7bDaniel Dunbar E->getSelector(), 92f56f1913e91ad32bed52dd3f6afc26735d336584Daniel Dunbar OMD->getClassInterface(), 937ce77920a35060f1c8dd72e541e42ce296ccd168Fariborz Jahanian isCategoryImpl, 94f56f1913e91ad32bed52dd3f6afc26735d336584Daniel Dunbar Receiver, 9519cd87eb5fb3c197e631ce08fd52c446c4d4e8f1Daniel Dunbar isClassMessage, 96d6c93d703541c992e06eb9a59a2d826a30da65b2Daniel Dunbar Args, 97d6c93d703541c992e06eb9a59a2d826a30da65b2Daniel Dunbar E->getMethodDecl()); 988fdf32822be2238aa7db62d40e75b168b637ab7dChris Lattner } 99d6c93d703541c992e06eb9a59a2d826a30da65b2Daniel Dunbar 1001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return Runtime.GenerateMessageSend(*this, E->getType(), E->getSelector(), 101df9ccc6381314ccca6407abb209155e9273a631dFariborz Jahanian Receiver, isClassMessage, Args, 102df9ccc6381314ccca6407abb209155e9273a631dFariborz Jahanian E->getMethodDecl()); 1035508518a2702b00be3b15a26d772bde968972f54Anders Carlsson} 1045508518a2702b00be3b15a26d772bde968972f54Anders Carlsson 105af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar/// StartObjCMethod - Begin emission of an ObjCMethod. This generates 106af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar/// the LLVM function and sets the other context used by 107af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar/// CodeGenFunction. 108679a502d462ef819e6175b58e255ca3f3391e7cfFariborz Jahanianvoid CodeGenFunction::StartObjCMethod(const ObjCMethodDecl *OMD, 109679a502d462ef819e6175b58e255ca3f3391e7cfFariborz Jahanian const ObjCContainerDecl *CD) { 1107c086516f3cc9fba2733b1919973206c6ba4b171Daniel Dunbar FunctionArgList Args; 111679a502d462ef819e6175b58e255ca3f3391e7cfFariborz Jahanian llvm::Function *Fn = CGM.getObjCRuntime().GenerateMethod(OMD, CD); 112f80519b919a348db004fba18530706314d1ebfb5Daniel Dunbar 1130e4f40e1bbc4dce16bbb9870300a435419f1b3d5Daniel Dunbar const CGFunctionInfo &FI = CGM.getTypes().getFunctionInfo(OMD); 1140e4f40e1bbc4dce16bbb9870300a435419f1b3d5Daniel Dunbar CGM.SetInternalFunctionAttributes(OMD, Fn, FI); 1154111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner 1161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Args.push_back(std::make_pair(OMD->getSelfDecl(), 1177c086516f3cc9fba2733b1919973206c6ba4b171Daniel Dunbar OMD->getSelfDecl()->getType())); 1187c086516f3cc9fba2733b1919973206c6ba4b171Daniel Dunbar Args.push_back(std::make_pair(OMD->getCmdDecl(), 1197c086516f3cc9fba2733b1919973206c6ba4b171Daniel Dunbar OMD->getCmdDecl()->getType())); 1204111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner 12189951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = OMD->param_begin(), 12289951a86b594513c2a013532ed45d197413b1087Chris Lattner E = OMD->param_end(); PI != E; ++PI) 12389951a86b594513c2a013532ed45d197413b1087Chris Lattner Args.push_back(std::make_pair(*PI, (*PI)->getType())); 124b7ec246872b412f0e7bb9e93eacfd78cfa6adfb3Daniel Dunbar 1252284ac9ec80299fcdefae9a2787cf85105a0f203Daniel Dunbar StartFunction(OMD, OMD->getResultType(), Fn, Args, OMD->getLocEnd()); 126af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar} 127af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar 128af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar/// Generate an Objective-C method. An Objective-C method is a C function with 1291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// its pointer, name, and types registered in the class struture. 130af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbarvoid CodeGenFunction::GenerateObjCMethod(const ObjCMethodDecl *OMD) { 1311d6a451ceed4bd654462040bd8e880f69649ee9aDevang Patel // Check if we should generate debug info for this method. 1321feade8e520be483293dbf55eb57a51720899589Mike Stump if (CGM.getDebugInfo() && !OMD->hasAttr<NoDebugAttr>()) 1331d6a451ceed4bd654462040bd8e880f69649ee9aDevang Patel DebugInfo = CGM.getDebugInfo(); 134679a502d462ef819e6175b58e255ca3f3391e7cfFariborz Jahanian StartObjCMethod(OMD, OMD->getClassInterface()); 1356fb0aee4f9dc261bbec72e1283ad8dc0557a6d96Argyrios Kyrtzidis EmitStmt(OMD->getBody()); 1366fb0aee4f9dc261bbec72e1283ad8dc0557a6d96Argyrios Kyrtzidis FinishFunction(OMD->getBodyRBrace()); 137af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar} 138af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar 139f5408fe484495ee4efbdd709c8a2c2fdbbbdb328Mike Stump// FIXME: I wasn't sure about the synthesis approach. If we end up generating an 140f5408fe484495ee4efbdd709c8a2c2fdbbbdb328Mike Stump// AST for the whole body we can just fall back to having a GenerateFunction 141f5408fe484495ee4efbdd709c8a2c2fdbbbdb328Mike Stump// which takes the body Stmt. 142af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar 143af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar/// GenerateObjCGetter - Generate an Objective-C property getter 144489034cf8bde09360e0089f401b2929597b125d8Steve Naroff/// function. The given Decl must be an ObjCImplementationDecl. @synthesize 145489034cf8bde09360e0089f401b2929597b125d8Steve Naroff/// is illegal within a category. 146fef30b55230064d334a669a065a1c9acdb87cdfeFariborz Jahanianvoid CodeGenFunction::GenerateObjCGetter(ObjCImplementationDecl *IMP, 147fef30b55230064d334a669a065a1c9acdb87cdfeFariborz Jahanian const ObjCPropertyImplDecl *PID) { 148c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar ObjCIvarDecl *Ivar = PID->getPropertyIvarDecl(); 149af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar const ObjCPropertyDecl *PD = PID->getPropertyDecl(); 150af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar ObjCMethodDecl *OMD = PD->getGetterMethodDecl(); 151af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar assert(OMD && "Invalid call to generate getter (empty method)"); 152f5408fe484495ee4efbdd709c8a2c2fdbbbdb328Mike Stump // FIXME: This is rather murky, we create this here since they will not have 153f5408fe484495ee4efbdd709c8a2c2fdbbbdb328Mike Stump // been created by Sema for us. 154fef30b55230064d334a669a065a1c9acdb87cdfeFariborz Jahanian OMD->createImplicitParams(getContext(), IMP->getClassInterface()); 155679a502d462ef819e6175b58e255ca3f3391e7cfFariborz Jahanian StartObjCMethod(OMD, IMP->getClassInterface()); 156af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar 157c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar // Determine if we should use an objc_getProperty call for 158447d7aeb9499d7ade42be7d63fa03b37b1d2fc09Fariborz Jahanian // this. Non-atomic properties are directly evaluated. 159447d7aeb9499d7ade42be7d63fa03b37b1d2fc09Fariborz Jahanian // atomic 'copy' and 'retain' properties are also directly 160447d7aeb9499d7ade42be7d63fa03b37b1d2fc09Fariborz Jahanian // evaluated in gc-only mode. 161c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar if (CGM.getLangOptions().getGCMode() != LangOptions::GCOnly && 162447d7aeb9499d7ade42be7d63fa03b37b1d2fc09Fariborz Jahanian !(PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_nonatomic) && 163447d7aeb9499d7ade42be7d63fa03b37b1d2fc09Fariborz Jahanian (PD->getSetterKind() == ObjCPropertyDecl::Copy || 164447d7aeb9499d7ade42be7d63fa03b37b1d2fc09Fariborz Jahanian PD->getSetterKind() == ObjCPropertyDecl::Retain)) { 1651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *GetPropertyFn = 166c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar CGM.getObjCRuntime().GetPropertyGetFunction(); 1671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 168c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar if (!GetPropertyFn) { 169c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar CGM.ErrorUnsupported(PID, "Obj-C getter requiring atomic copy"); 170c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar FinishFunction(); 171c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar return; 172c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar } 173c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar 174c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar // Return (ivar-type) objc_getProperty((id) self, _cmd, offset, true). 175c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar // FIXME: Can't this be simpler? This might even be worse than the 176c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar // corresponding gcc code. 177c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar CodeGenTypes &Types = CGM.getTypes(); 178c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar ValueDecl *Cmd = OMD->getCmdDecl(); 179c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar llvm::Value *CmdVal = Builder.CreateLoad(LocalDeclMap[Cmd], "cmd"); 180c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar QualType IdTy = getContext().getObjCIdType(); 1811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *SelfAsId = 182c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar Builder.CreateBitCast(LoadObjCSelf(), Types.ConvertType(IdTy)); 183fef30b55230064d334a669a065a1c9acdb87cdfeFariborz Jahanian llvm::Value *Offset = EmitIvarOffset(IMP->getClassInterface(), Ivar); 184c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar llvm::Value *True = 1854a28d5deeba33722aa009eab488591fb9055cc7eOwen Anderson llvm::ConstantInt::get(Types.ConvertType(getContext().BoolTy), 1); 186c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar CallArgList Args; 187c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar Args.push_back(std::make_pair(RValue::get(SelfAsId), IdTy)); 188c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar Args.push_back(std::make_pair(RValue::get(CmdVal), Cmd->getType())); 189c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar Args.push_back(std::make_pair(RValue::get(Offset), getContext().LongTy)); 190c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar Args.push_back(std::make_pair(RValue::get(True), getContext().BoolTy)); 191e4be5a66072f7c7618071284c8d2a9c6d8e691cfDaniel Dunbar // FIXME: We shouldn't need to get the function info here, the 192e4be5a66072f7c7618071284c8d2a9c6d8e691cfDaniel Dunbar // runtime already should have computed it to build the function. 19304a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall RValue RV = EmitCall(Types.getFunctionInfo(PD->getType(), Args, 19404a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall CC_Default, false), 195f3c47c9525153aea2de0ec4bd615b9cf2d81c103Anders Carlsson GetPropertyFn, ReturnValueSlot(), Args); 196c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar // We need to fix the type here. Ivars with copy & retain are 197c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar // always objects so we don't need to worry about complex or 198c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar // aggregates. 1991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump RV = RValue::get(Builder.CreateBitCast(RV.getScalarVal(), 200c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar Types.ConvertType(PD->getType()))); 201c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar EmitReturnOfRValue(RV, PD->getType()); 202c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar } else { 203525c9b7baeeff022127cd1b167579f3bda73b3edDaniel Dunbar LValue LV = EmitLValueForIvar(TypeOfSelfObject(), LoadObjCSelf(), Ivar, 0); 2046010bca98a617a40951561c380a89afd261fb0acFariborz Jahanian if (hasAggregateLLVMType(Ivar->getType())) { 2056010bca98a617a40951561c380a89afd261fb0acFariborz Jahanian EmitAggregateCopy(ReturnValue, LV.getAddress(), Ivar->getType()); 206b3589f44c5d295cd41de2c83f3475116835eeebdMike Stump } else { 207ed1d29d62595a83ccf6ef23eb2759d355206df2eFariborz Jahanian CodeGenTypes &Types = CGM.getTypes(); 208ed1d29d62595a83ccf6ef23eb2759d355206df2eFariborz Jahanian RValue RV = EmitLoadOfLValue(LV, Ivar->getType()); 209ed1d29d62595a83ccf6ef23eb2759d355206df2eFariborz Jahanian RV = RValue::get(Builder.CreateBitCast(RV.getScalarVal(), 2101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Types.ConvertType(PD->getType()))); 211ed1d29d62595a83ccf6ef23eb2759d355206df2eFariborz Jahanian EmitReturnOfRValue(RV, PD->getType()); 212ed1d29d62595a83ccf6ef23eb2759d355206df2eFariborz Jahanian } 213c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar } 214af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar 215af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar FinishFunction(); 216af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar} 217af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar 218af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar/// GenerateObjCSetter - Generate an Objective-C property setter 219489034cf8bde09360e0089f401b2929597b125d8Steve Naroff/// function. The given Decl must be an ObjCImplementationDecl. @synthesize 220489034cf8bde09360e0089f401b2929597b125d8Steve Naroff/// is illegal within a category. 221fef30b55230064d334a669a065a1c9acdb87cdfeFariborz Jahanianvoid CodeGenFunction::GenerateObjCSetter(ObjCImplementationDecl *IMP, 222fef30b55230064d334a669a065a1c9acdb87cdfeFariborz Jahanian const ObjCPropertyImplDecl *PID) { 22386957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar ObjCIvarDecl *Ivar = PID->getPropertyIvarDecl(); 224af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar const ObjCPropertyDecl *PD = PID->getPropertyDecl(); 225af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar ObjCMethodDecl *OMD = PD->getSetterMethodDecl(); 226af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar assert(OMD && "Invalid call to generate setter (empty method)"); 227f5408fe484495ee4efbdd709c8a2c2fdbbbdb328Mike Stump // FIXME: This is rather murky, we create this here since they will not have 228f5408fe484495ee4efbdd709c8a2c2fdbbbdb328Mike Stump // been created by Sema for us. 229fef30b55230064d334a669a065a1c9acdb87cdfeFariborz Jahanian OMD->createImplicitParams(getContext(), IMP->getClassInterface()); 230679a502d462ef819e6175b58e255ca3f3391e7cfFariborz Jahanian StartObjCMethod(OMD, IMP->getClassInterface()); 231b7ec246872b412f0e7bb9e93eacfd78cfa6adfb3Daniel Dunbar 23286957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar bool IsCopy = PD->getSetterKind() == ObjCPropertyDecl::Copy; 2331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool IsAtomic = 23486957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar !(PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_nonatomic); 23586957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar 23686957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar // Determine if we should use an objc_setProperty call for 23786957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar // this. Properties with 'copy' semantics always use it, as do 23886957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar // non-atomic properties with 'release' semantics as long as we are 23986957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar // not in gc-only mode. 24086957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar if (IsCopy || 24186957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar (CGM.getLangOptions().getGCMode() != LangOptions::GCOnly && 24286957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar PD->getSetterKind() == ObjCPropertyDecl::Retain)) { 2431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *SetPropertyFn = 24486957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar CGM.getObjCRuntime().GetPropertySetFunction(); 2451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24686957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar if (!SetPropertyFn) { 24786957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar CGM.ErrorUnsupported(PID, "Obj-C getter requiring atomic copy"); 24886957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar FinishFunction(); 24986957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar return; 25086957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar } 2511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Emit objc_setProperty((id) self, _cmd, offset, arg, 25386957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar // <is-atomic>, <is-copy>). 25486957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar // FIXME: Can't this be simpler? This might even be worse than the 25586957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar // corresponding gcc code. 25686957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar CodeGenTypes &Types = CGM.getTypes(); 25786957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar ValueDecl *Cmd = OMD->getCmdDecl(); 25886957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar llvm::Value *CmdVal = Builder.CreateLoad(LocalDeclMap[Cmd], "cmd"); 25986957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar QualType IdTy = getContext().getObjCIdType(); 2601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *SelfAsId = 26186957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar Builder.CreateBitCast(LoadObjCSelf(), Types.ConvertType(IdTy)); 262fef30b55230064d334a669a065a1c9acdb87cdfeFariborz Jahanian llvm::Value *Offset = EmitIvarOffset(IMP->getClassInterface(), Ivar); 26389951a86b594513c2a013532ed45d197413b1087Chris Lattner llvm::Value *Arg = LocalDeclMap[*OMD->param_begin()]; 2641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *ArgAsId = 26586957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar Builder.CreateBitCast(Builder.CreateLoad(Arg, "arg"), 26686957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar Types.ConvertType(IdTy)); 26786957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar llvm::Value *True = 2684a28d5deeba33722aa009eab488591fb9055cc7eOwen Anderson llvm::ConstantInt::get(Types.ConvertType(getContext().BoolTy), 1); 26986957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar llvm::Value *False = 2704a28d5deeba33722aa009eab488591fb9055cc7eOwen Anderson llvm::ConstantInt::get(Types.ConvertType(getContext().BoolTy), 0); 27186957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar CallArgList Args; 27286957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar Args.push_back(std::make_pair(RValue::get(SelfAsId), IdTy)); 27386957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar Args.push_back(std::make_pair(RValue::get(CmdVal), Cmd->getType())); 27486957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar Args.push_back(std::make_pair(RValue::get(Offset), getContext().LongTy)); 27586957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar Args.push_back(std::make_pair(RValue::get(ArgAsId), IdTy)); 2761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Args.push_back(std::make_pair(RValue::get(IsAtomic ? True : False), 27786957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar getContext().BoolTy)); 2781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Args.push_back(std::make_pair(RValue::get(IsCopy ? True : False), 27986957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar getContext().BoolTy)); 280f5408fe484495ee4efbdd709c8a2c2fdbbbdb328Mike Stump // FIXME: We shouldn't need to get the function info here, the runtime 281f5408fe484495ee4efbdd709c8a2c2fdbbbdb328Mike Stump // already should have computed it to build the function. 28204a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall EmitCall(Types.getFunctionInfo(getContext().VoidTy, Args, 28304a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall CC_Default, false), SetPropertyFn, 284f3c47c9525153aea2de0ec4bd615b9cf2d81c103Anders Carlsson ReturnValueSlot(), Args); 28586957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar } else { 28645e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar // FIXME: Find a clean way to avoid AST node creation. 28786957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar SourceLocation Loc = PD->getLocation(); 28886957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar ValueDecl *Self = OMD->getSelfDecl(); 28986957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar ObjCIvarDecl *Ivar = PID->getPropertyIvarDecl(); 29086957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar DeclRefExpr Base(Self, Self->getType(), Loc); 29189951a86b594513c2a013532ed45d197413b1087Chris Lattner ParmVarDecl *ArgDecl = *OMD->param_begin(); 29286957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar DeclRefExpr Arg(ArgDecl, ArgDecl->getType(), Loc); 29345e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar ObjCIvarRefExpr IvarRef(Ivar, Ivar->getType(), Loc, &Base, true, true); 29445e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar 29545e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar // The property type can differ from the ivar type in some situations with 29645e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar // Objective-C pointer types, we can always bit cast the RHS in these cases. 29745e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar if (getContext().getCanonicalType(Ivar->getType()) != 29845e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar getContext().getCanonicalType(ArgDecl->getType())) { 29945e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar ImplicitCastExpr ArgCasted(Ivar->getType(), CastExpr::CK_BitCast, &Arg, 30045e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar false); 30145e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar BinaryOperator Assign(&IvarRef, &ArgCasted, BinaryOperator::Assign, 30245e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar Ivar->getType(), Loc); 30345e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar EmitStmt(&Assign); 30445e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar } else { 30545e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar BinaryOperator Assign(&IvarRef, &Arg, BinaryOperator::Assign, 30645e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar Ivar->getType(), Loc); 30745e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar EmitStmt(&Assign); 30845e8423d7dcea657c14c55347e8a30ac904d7501Daniel Dunbar } 30986957eb200492e95a09bce1b2c76f66345468f84Daniel Dunbar } 310af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar 311af05bb9073319d8381b71c4325188853fd4b8ed6Daniel Dunbar FinishFunction(); 3124111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner} 3134111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner 314c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbarllvm::Value *CodeGenFunction::LoadObjCSelf() { 315b7ec246872b412f0e7bb9e93eacfd78cfa6adfb3Daniel Dunbar const ObjCMethodDecl *OMD = cast<ObjCMethodDecl>(CurFuncDecl); 3166cc88f78fd36d3511b89412b193494b3e423cbffMike Stump // See if we need to lazily forward self inside a block literal. 3176cc88f78fd36d3511b89412b193494b3e423cbffMike Stump BlockForwardSelf(); 318b7ec246872b412f0e7bb9e93eacfd78cfa6adfb3Daniel Dunbar return Builder.CreateLoad(LocalDeclMap[OMD->getSelfDecl()], "self"); 3194111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner} 3204111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner 32145012a7ef5abf1042c893f3f2fa5c23cb5485ea9Fariborz JahanianQualType CodeGenFunction::TypeOfSelfObject() { 32245012a7ef5abf1042c893f3f2fa5c23cb5485ea9Fariborz Jahanian const ObjCMethodDecl *OMD = cast<ObjCMethodDecl>(CurFuncDecl); 32345012a7ef5abf1042c893f3f2fa5c23cb5485ea9Fariborz Jahanian ImplicitParamDecl *selfDecl = OMD->getSelfDecl(); 32414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff const ObjCObjectPointerType *PTy = cast<ObjCObjectPointerType>( 32514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff getContext().getCanonicalType(selfDecl->getType())); 32645012a7ef5abf1042c893f3f2fa5c23cb5485ea9Fariborz Jahanian return PTy->getPointeeType(); 32745012a7ef5abf1042c893f3f2fa5c23cb5485ea9Fariborz Jahanian} 32845012a7ef5abf1042c893f3f2fa5c23cb5485ea9Fariborz Jahanian 3291eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpRValue CodeGenFunction::EmitObjCSuperPropertyGet(const Expr *Exp, 330f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian const Selector &S) { 331f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian llvm::Value *Receiver = LoadObjCSelf(); 332f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian const ObjCMethodDecl *OMD = cast<ObjCMethodDecl>(CurFuncDecl); 333f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian bool isClassMessage = OMD->isClassMethod(); 334f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian bool isCategoryImpl = isa<ObjCCategoryImplDecl>(OMD->getDeclContext()); 3351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return CGM.getObjCRuntime().GenerateMessageSendSuper(*this, 336f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian Exp->getType(), 337f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian S, 338f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian OMD->getClassInterface(), 339f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian isCategoryImpl, 340f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian Receiver, 341f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian isClassMessage, 342f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian CallArgList()); 3431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 344f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian} 345f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian 3465daf570d0ce027e18ed5f9d66e6b2a14a40b720dFariborz JahanianRValue CodeGenFunction::EmitObjCPropertyGet(const Expr *Exp) { 347d2e1eb064cfb8d361ea1dd4f6253a4e20f24d88dFariborz Jahanian Exp = Exp->IgnoreParens(); 34843f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian // FIXME: Split it into two separate routines. 3495daf570d0ce027e18ed5f9d66e6b2a14a40b720dFariborz Jahanian if (const ObjCPropertyRefExpr *E = dyn_cast<ObjCPropertyRefExpr>(Exp)) { 3505daf570d0ce027e18ed5f9d66e6b2a14a40b720dFariborz Jahanian Selector S = E->getProperty()->getGetterName(); 351f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian if (isa<ObjCSuperExpr>(E->getBase())) 352f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian return EmitObjCSuperPropertyGet(E, S); 3535daf570d0ce027e18ed5f9d66e6b2a14a40b720dFariborz Jahanian return CGM.getObjCRuntime(). 3541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump GenerateMessageSend(*this, Exp->getType(), S, 3551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump EmitScalarExpr(E->getBase()), 35643f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian false, CallArgList()); 357b3589f44c5d295cd41de2c83f3475116835eeebdMike Stump } else { 3581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const ObjCImplicitSetterGetterRefExpr *KE = 35909105f52b1f28cbb1374c27c3c70f5517e2c465dFariborz Jahanian cast<ObjCImplicitSetterGetterRefExpr>(Exp); 360f479cea608dae347bc06c7a7279ab54fe34d47f6Daniel Dunbar Selector S = KE->getGetterMethod()->getSelector(); 3613523d4f59eb0aa1f200dcb943093ecfe75008735Fariborz Jahanian llvm::Value *Receiver; 362d2ae5aa732e8587816fd7a7be911460e337c178eFariborz Jahanian if (KE->getInterfaceDecl()) { 363d2ae5aa732e8587816fd7a7be911460e337c178eFariborz Jahanian const ObjCInterfaceDecl *OID = KE->getInterfaceDecl(); 3643523d4f59eb0aa1f200dcb943093ecfe75008735Fariborz Jahanian Receiver = CGM.getObjCRuntime().GetClass(Builder, OID); 365b3589f44c5d295cd41de2c83f3475116835eeebdMike Stump } else if (isa<ObjCSuperExpr>(KE->getBase())) 366f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian return EmitObjCSuperPropertyGet(KE, S); 3671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else 3683523d4f59eb0aa1f200dcb943093ecfe75008735Fariborz Jahanian Receiver = EmitScalarExpr(KE->getBase()); 36943f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian return CGM.getObjCRuntime(). 3701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump GenerateMessageSend(*this, Exp->getType(), S, 3711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Receiver, 372d2ae5aa732e8587816fd7a7be911460e337c178eFariborz Jahanian KE->getInterfaceDecl() != 0, CallArgList()); 3735daf570d0ce027e18ed5f9d66e6b2a14a40b720dFariborz Jahanian } 3749c3fc703b29a31d40bcf5027dbb4784dd393804eDaniel Dunbar} 3759c3fc703b29a31d40bcf5027dbb4784dd393804eDaniel Dunbar 376f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanianvoid CodeGenFunction::EmitObjCSuperPropertySet(const Expr *Exp, 377f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian const Selector &S, 378f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian RValue Src) { 379f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian CallArgList Args; 380f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian llvm::Value *Receiver = LoadObjCSelf(); 381f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian const ObjCMethodDecl *OMD = cast<ObjCMethodDecl>(CurFuncDecl); 382f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian bool isClassMessage = OMD->isClassMethod(); 383f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian bool isCategoryImpl = isa<ObjCCategoryImplDecl>(OMD->getDeclContext()); 384f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian Args.push_back(std::make_pair(Src, Exp->getType())); 3851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CGM.getObjCRuntime().GenerateMessageSendSuper(*this, 386f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian Exp->getType(), 387f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian S, 388f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian OMD->getClassInterface(), 389f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian isCategoryImpl, 390f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian Receiver, 391f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian isClassMessage, 392f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian Args); 393f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian return; 394f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian} 395f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian 39643f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanianvoid CodeGenFunction::EmitObjCPropertySet(const Expr *Exp, 39785c59edda02df48fae8dc85049743319bc6e7e89Daniel Dunbar RValue Src) { 39843f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian // FIXME: Split it into two separate routines. 39943f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian if (const ObjCPropertyRefExpr *E = dyn_cast<ObjCPropertyRefExpr>(Exp)) { 40043f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian Selector S = E->getProperty()->getSetterName(); 401f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian if (isa<ObjCSuperExpr>(E->getBase())) { 402f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian EmitObjCSuperPropertySet(E, S, Src); 403f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian return; 4041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 40543f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian CallArgList Args; 40643f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian Args.push_back(std::make_pair(Src, E->getType())); 4071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CGM.getObjCRuntime().GenerateMessageSend(*this, getContext().VoidTy, S, 4081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump EmitScalarExpr(E->getBase()), 40943f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian false, Args); 4101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } else if (const ObjCImplicitSetterGetterRefExpr *E = 41109105f52b1f28cbb1374c27c3c70f5517e2c465dFariborz Jahanian dyn_cast<ObjCImplicitSetterGetterRefExpr>(Exp)) { 41243f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian Selector S = E->getSetterMethod()->getSelector(); 41343f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian CallArgList Args; 4143523d4f59eb0aa1f200dcb943093ecfe75008735Fariborz Jahanian llvm::Value *Receiver; 415d2ae5aa732e8587816fd7a7be911460e337c178eFariborz Jahanian if (E->getInterfaceDecl()) { 416d2ae5aa732e8587816fd7a7be911460e337c178eFariborz Jahanian const ObjCInterfaceDecl *OID = E->getInterfaceDecl(); 4173523d4f59eb0aa1f200dcb943093ecfe75008735Fariborz Jahanian Receiver = CGM.getObjCRuntime().GetClass(Builder, OID); 418b3589f44c5d295cd41de2c83f3475116835eeebdMike Stump } else if (isa<ObjCSuperExpr>(E->getBase())) { 419f469557743f77918d2ca8226e2ee2888998ffd4aFariborz Jahanian EmitObjCSuperPropertySet(E, S, Src); 4208e5d23236ad05f9b18114d5486b3a3aeadf42e00Fariborz Jahanian return; 421b3589f44c5d295cd41de2c83f3475116835eeebdMike Stump } else 4223523d4f59eb0aa1f200dcb943093ecfe75008735Fariborz Jahanian Receiver = EmitScalarExpr(E->getBase()); 42343f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian Args.push_back(std::make_pair(Src, E->getType())); 4241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CGM.getObjCRuntime().GenerateMessageSend(*this, getContext().VoidTy, S, 4251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Receiver, 426d2ae5aa732e8587816fd7a7be911460e337c178eFariborz Jahanian E->getInterfaceDecl() != 0, Args); 427b3589f44c5d295cd41de2c83f3475116835eeebdMike Stump } else 42843f447098d5e6162fbfb97ed38365284207a7fbeFariborz Jahanian assert (0 && "bad expression node in EmitObjCPropertySet"); 42985c59edda02df48fae8dc85049743319bc6e7e89Daniel Dunbar} 43085c59edda02df48fae8dc85049743319bc6e7e89Daniel Dunbar 43174391b48b4791cded373683a3baf67314f358d50Chris Lattnervoid CodeGenFunction::EmitObjCForCollectionStmt(const ObjCForCollectionStmt &S){ 4321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Constant *EnumerationMutationFn = 433c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar CGM.getObjCRuntime().EnumerationMutationFunction(); 434f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson llvm::Value *DeclAddress; 435f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson QualType ElementTy; 4361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 437c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar if (!EnumerationMutationFn) { 438c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar CGM.ErrorUnsupported(&S, "Obj-C fast enumeration for this runtime"); 439c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar return; 440c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar } 441c1cf4a579f8a0a77719deedc1b8f850b77d36ecfDaniel Dunbar 442f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson if (const DeclStmt *SD = dyn_cast<DeclStmt>(S.getElement())) { 443f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson EmitStmt(SD); 444a448fb2da03ece39978784793eea68760e8205a1Daniel Dunbar assert(HaveInsertPoint() && "DeclStmt destroyed insert point!"); 4457e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner const Decl* D = SD->getSingleDecl(); 44639741cecde917affbcbdfb2942ff1a9eae8f3488Ted Kremenek ElementTy = cast<ValueDecl>(D)->getType(); 4471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclAddress = LocalDeclMap[D]; 448f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson } else { 449f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson ElementTy = cast<Expr>(S.getElement())->getType(); 450f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson DeclAddress = 0; 451f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson } 4521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 453f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // Fast enumeration state. 454f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson QualType StateTy = getContext().getObjCFastEnumerationStateType(); 455195337d2e5d4625ae9dc1328c7cdbc7115b0261bDaniel Dunbar llvm::Value *StatePtr = CreateMemTemp(StateTy, "state.ptr"); 4562abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson EmitMemSetToZero(StatePtr, StateTy); 4571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 458f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // Number of elements in the items array. 4592abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson static const unsigned NumItems = 16; 4601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 461f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // Get selector 462f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson llvm::SmallVector<IdentifierInfo*, 3> II; 463f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson II.push_back(&CGM.getContext().Idents.get("countByEnumeratingWithState")); 464f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson II.push_back(&CGM.getContext().Idents.get("objects")); 465f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson II.push_back(&CGM.getContext().Idents.get("count")); 4661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Selector FastEnumSel = CGM.getContext().Selectors.getSelector(II.size(), 467f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson &II[0]); 468f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 469f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson QualType ItemsTy = 470f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson getContext().getConstantArrayType(getContext().getObjCIdType(), 4711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::APInt(32, NumItems), 472f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson ArrayType::Normal, 0); 473195337d2e5d4625ae9dc1328c7cdbc7115b0261bDaniel Dunbar llvm::Value *ItemsPtr = CreateMemTemp(ItemsTy, "items.ptr"); 4741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 475f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson llvm::Value *Collection = EmitScalarExpr(S.getCollection()); 4761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 477f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson CallArgList Args; 4781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Args.push_back(std::make_pair(RValue::get(StatePtr), 479f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson getContext().getPointerType(StateTy))); 4801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Args.push_back(std::make_pair(RValue::get(ItemsPtr), 482f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson getContext().getPointerType(ItemsTy))); 4831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 484f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson const llvm::Type *UnsignedLongLTy = ConvertType(getContext().UnsignedLongTy); 4854a28d5deeba33722aa009eab488591fb9055cc7eOwen Anderson llvm::Constant *Count = llvm::ConstantInt::get(UnsignedLongLTy, NumItems); 4861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Args.push_back(std::make_pair(RValue::get(Count), 48746f45b9bec4a265ad8400a538e5ec3a5683617f1Daniel Dunbar getContext().UnsignedLongTy)); 4881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump RValue CountRV = 4901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CGM.getObjCRuntime().GenerateMessageSend(*this, 491f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson getContext().UnsignedLongTy, 492f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson FastEnumSel, 493f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Collection, false, Args); 494f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 495195337d2e5d4625ae9dc1328c7cdbc7115b0261bDaniel Dunbar llvm::Value *LimitPtr = CreateMemTemp(getContext().UnsignedLongTy, 496195337d2e5d4625ae9dc1328c7cdbc7115b0261bDaniel Dunbar "limit.ptr"); 497f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Builder.CreateStore(CountRV.getScalarVal(), LimitPtr); 4981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 49955e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar llvm::BasicBlock *NoElements = createBasicBlock("noelements"); 50055e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar llvm::BasicBlock *SetStartMutations = createBasicBlock("setstartmutations"); 5011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 502f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson llvm::Value *Limit = Builder.CreateLoad(LimitPtr); 503c9c88b4159791c48e486ca94e3743b5979e2b7a6Owen Anderson llvm::Value *Zero = llvm::Constant::getNullValue(UnsignedLongLTy); 504f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 505f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson llvm::Value *IsZero = Builder.CreateICmpEQ(Limit, Zero, "iszero"); 5062abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson Builder.CreateCondBr(IsZero, NoElements, SetStartMutations); 507f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 5082abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson EmitBlock(SetStartMutations); 5091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 510195337d2e5d4625ae9dc1328c7cdbc7115b0261bDaniel Dunbar llvm::Value *StartMutationsPtr = CreateMemTemp(getContext().UnsignedLongTy); 5111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *StateMutationsPtrPtr = 5132abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson Builder.CreateStructGEP(StatePtr, 2, "mutationsptr.ptr"); 5141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *StateMutationsPtr = Builder.CreateLoad(StateMutationsPtrPtr, 5152abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson "mutationsptr"); 5161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *StateMutations = Builder.CreateLoad(StateMutationsPtr, 5182abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson "mutations"); 5191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5202abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson Builder.CreateStore(StateMutations, StartMutationsPtr); 5211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 52255e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar llvm::BasicBlock *LoopStart = createBasicBlock("loopstart"); 523f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson EmitBlock(LoopStart); 524f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 525195337d2e5d4625ae9dc1328c7cdbc7115b0261bDaniel Dunbar llvm::Value *CounterPtr = CreateMemTemp(getContext().UnsignedLongTy, 526195337d2e5d4625ae9dc1328c7cdbc7115b0261bDaniel Dunbar "counter.ptr"); 527f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Builder.CreateStore(Zero, CounterPtr); 5281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::BasicBlock *LoopBody = createBasicBlock("loopbody"); 530f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson EmitBlock(LoopBody); 531f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 5322abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson StateMutationsPtr = Builder.CreateLoad(StateMutationsPtrPtr, "mutationsptr"); 5332abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson StateMutations = Builder.CreateLoad(StateMutationsPtr, "statemutations"); 5342abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson 5351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *StartMutations = Builder.CreateLoad(StartMutationsPtr, 5362abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson "mutations"); 5371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *MutationsEqual = Builder.CreateICmpEQ(StateMutations, 5382abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson StartMutations, 5392abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson "tobool"); 5401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 54255e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar llvm::BasicBlock *WasMutated = createBasicBlock("wasmutated"); 54355e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar llvm::BasicBlock *WasNotMutated = createBasicBlock("wasnotmutated"); 5441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5452abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson Builder.CreateCondBr(MutationsEqual, WasNotMutated, WasMutated); 5461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5472abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson EmitBlock(WasMutated); 5482abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson llvm::Value *V = 5491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Builder.CreateBitCast(Collection, 5502abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson ConvertType(getContext().getObjCIdType()), 5512abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson "tmp"); 5522b2105e92fc77016992dae3f117f526e73af5ea9Daniel Dunbar CallArgList Args2; 5531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Args2.push_back(std::make_pair(RValue::get(V), 5542b2105e92fc77016992dae3f117f526e73af5ea9Daniel Dunbar getContext().getObjCIdType())); 555f5408fe484495ee4efbdd709c8a2c2fdbbbdb328Mike Stump // FIXME: We shouldn't need to get the function info here, the runtime already 556f5408fe484495ee4efbdd709c8a2c2fdbbbdb328Mike Stump // should have computed it to build the function. 55704a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall EmitCall(CGM.getTypes().getFunctionInfo(getContext().VoidTy, Args2, 55804a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall CC_Default, false), 559f3c47c9525153aea2de0ec4bd615b9cf2d81c103Anders Carlsson EnumerationMutationFn, ReturnValueSlot(), Args2); 5601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5612abd89c039e835e84519a4cd8a7495899a70153dAnders Carlsson EmitBlock(WasNotMutated); 5621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *StateItemsPtr = 564f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Builder.CreateStructGEP(StatePtr, 1, "stateitems.ptr"); 565f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 566f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson llvm::Value *Counter = Builder.CreateLoad(CounterPtr, "counter"); 567f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 568f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson llvm::Value *EnumStateItems = Builder.CreateLoad(StateItemsPtr, 569f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson "stateitems"); 570f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 5711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::Value *CurrentItemPtr = 572f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Builder.CreateGEP(EnumStateItems, Counter, "currentitem.ptr"); 5731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 574f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson llvm::Value *CurrentItem = Builder.CreateLoad(CurrentItemPtr, "currentitem"); 5751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 576f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // Cast the item to the right type. 577f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson CurrentItem = Builder.CreateBitCast(CurrentItem, 578f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson ConvertType(ElementTy), "tmp"); 5791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 580f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson if (!DeclAddress) { 581f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson LValue LV = EmitLValue(cast<Expr>(S.getElement())); 5821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 583f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // Set the value to null. 584f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Builder.CreateStore(CurrentItem, LV.getAddress()); 585f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson } else 586f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Builder.CreateStore(CurrentItem, DeclAddress); 5871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 588f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // Increment the counter. 5891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Counter = Builder.CreateAdd(Counter, 5904a28d5deeba33722aa009eab488591fb9055cc7eOwen Anderson llvm::ConstantInt::get(UnsignedLongLTy, 1)); 591f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Builder.CreateStore(Counter, CounterPtr); 5921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 59355e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar llvm::BasicBlock *LoopEnd = createBasicBlock("loopend"); 59455e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar llvm::BasicBlock *AfterBody = createBasicBlock("afterbody"); 5951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 596e4b6d342c29d5cb9d311756100df1603810fa892Anders Carlsson BreakContinueStack.push_back(BreakContinue(LoopEnd, AfterBody)); 597f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 598f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson EmitStmt(S.getBody()); 5991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 600f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson BreakContinueStack.pop_back(); 6011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 602f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson EmitBlock(AfterBody); 6031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 60455e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar llvm::BasicBlock *FetchMore = createBasicBlock("fetchmore"); 605f0906c4edb37b20141428ca77fa7dfd00b976eafFariborz Jahanian 606f0906c4edb37b20141428ca77fa7dfd00b976eafFariborz Jahanian Counter = Builder.CreateLoad(CounterPtr); 607f0906c4edb37b20141428ca77fa7dfd00b976eafFariborz Jahanian Limit = Builder.CreateLoad(LimitPtr); 608f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson llvm::Value *IsLess = Builder.CreateICmpULT(Counter, Limit, "isless"); 609fe2b2c08984f861f82339138302689480c658ecdDaniel Dunbar Builder.CreateCondBr(IsLess, LoopBody, FetchMore); 610f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 611f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // Fetch more elements. 612f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson EmitBlock(FetchMore); 6131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CountRV = 6151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CGM.getObjCRuntime().GenerateMessageSend(*this, 616f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson getContext().UnsignedLongTy, 6171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FastEnumSel, 618f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Collection, false, Args); 619f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Builder.CreateStore(CountRV.getScalarVal(), LimitPtr); 620f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Limit = Builder.CreateLoad(LimitPtr); 6211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 622f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson IsZero = Builder.CreateICmpEQ(Limit, Zero, "iszero"); 623f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson Builder.CreateCondBr(IsZero, NoElements, LoopStart); 6241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 625f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // No more elements. 626f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson EmitBlock(NoElements); 627f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 628f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson if (!DeclAddress) { 629f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // If the element was not a declaration, set it to be null. 630f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 631f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson LValue LV = EmitLValue(cast<Expr>(S.getElement())); 6321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 633f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson // Set the value to null. 634c9c88b4159791c48e486ca94e3743b5979e2b7a6Owen Anderson Builder.CreateStore(llvm::Constant::getNullValue(ConvertType(ElementTy)), 635f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson LV.getAddress()); 636f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson } 637f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson 638f484c31f4d6934f56070c2942d4dfdf3fee84074Anders Carlsson EmitBlock(LoopEnd); 6393d8400d9a61aa4b63ff35e5cede405b32a41425eAnders Carlsson} 6403d8400d9a61aa4b63ff35e5cede405b32a41425eAnders Carlsson 6411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid CodeGenFunction::EmitObjCAtTryStmt(const ObjCAtTryStmt &S) { 642bd71be4683c195260d5245118b1e13e6b2e20504Fariborz Jahanian CGM.getObjCRuntime().EmitTryOrSynchronizedStmt(*this, S); 64364d5d6c5903157c521af496479d06dc26032d718Anders Carlsson} 64464d5d6c5903157c521af496479d06dc26032d718Anders Carlsson 6451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid CodeGenFunction::EmitObjCAtThrowStmt(const ObjCAtThrowStmt &S) { 64664d5d6c5903157c521af496479d06dc26032d718Anders Carlsson CGM.getObjCRuntime().EmitThrowStmt(*this, S); 64764d5d6c5903157c521af496479d06dc26032d718Anders Carlsson} 64864d5d6c5903157c521af496479d06dc26032d718Anders Carlsson 64910cac6f7115b59a466bb8d2d51cdddeb38aadc37Chris Lattnervoid CodeGenFunction::EmitObjCAtSynchronizedStmt( 6501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const ObjCAtSynchronizedStmt &S) { 651bd71be4683c195260d5245118b1e13e6b2e20504Fariborz Jahanian CGM.getObjCRuntime().EmitTryOrSynchronizedStmt(*this, S); 65210cac6f7115b59a466bb8d2d51cdddeb38aadc37Chris Lattner} 65310cac6f7115b59a466bb8d2d51cdddeb38aadc37Chris Lattner 6542979ec73b4f974d85f2ce84167712177a44c6f09Ted KremenekCGObjCRuntime::~CGObjCRuntime() {} 655