CGCXX.cpp revision 09765ece710f29dcdbd66eec361d60e53bd5a4fd
1e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson//===--- CGDecl.cpp - Emit LLVM Code for declarations ---------------------===// 2e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson// 3e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson// The LLVM Compiler Infrastructure 4e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson// 5e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson// This file is distributed under the University of Illinois Open Source 6e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson// License. See LICENSE.TXT for details. 7e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson// 8e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson//===----------------------------------------------------------------------===// 9e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson// 10e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson// This contains code dealing with C++ code generation. 11e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson// 12e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson//===----------------------------------------------------------------------===// 13e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson 14e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson// We might split this into multiple files if it gets too unwieldy 15e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson 16e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson#include "CodeGenFunction.h" 17e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson#include "CodeGenModule.h" 18283a062a633d6e868aa2be319da812341fe73728Anders Carlsson#include "Mangle.h" 19e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson#include "clang/AST/ASTContext.h" 20742cd1b7bb86b52b23b335d47abbd842dac0e1bfFariborz Jahanian#include "clang/AST/RecordLayout.h" 21e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson#include "clang/AST/Decl.h" 22774e7c6881ee6cb970cd42239d700dce87ed402aAnders Carlsson#include "clang/AST/DeclCXX.h" 2386e9644199d91a33d0090395395bc718bd3a4981Anders Carlsson#include "clang/AST/DeclObjC.h" 24e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson#include "llvm/ADT/StringExtras.h" 25e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlssonusing namespace clang; 26e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlssonusing namespace CodeGen; 27e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson 280096acf421c4609ce7f43e8b05f8c5ca866d4611Daniel Dunbarvoid 293b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders CarlssonCodeGenFunction::EmitCXXGlobalDtorRegistration(const CXXDestructorDecl *Dtor, 303b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson llvm::Constant *DeclPtr) { 313b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson // FIXME: This is ABI dependent and we use the Itanium ABI. 323b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson 333b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson const llvm::Type *Int8PtrTy = 340032b2781b4deb131f8c9b7968f2030bf2489cddOwen Anderson llvm::PointerType::getUnqual(llvm::Type::getInt8Ty(VMContext)); 353b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson 363b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson std::vector<const llvm::Type *> Params; 373b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson Params.push_back(Int8PtrTy); 383b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson 393b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson // Get the destructor function type 403b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson const llvm::Type *DtorFnTy = 410032b2781b4deb131f8c9b7968f2030bf2489cddOwen Anderson llvm::FunctionType::get(llvm::Type::getVoidTy(VMContext), Params, false); 423b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson DtorFnTy = llvm::PointerType::getUnqual(DtorFnTy); 433b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson 443b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson Params.clear(); 453b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson Params.push_back(DtorFnTy); 463b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson Params.push_back(Int8PtrTy); 473b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson Params.push_back(Int8PtrTy); 483b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson 493b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson // Get the __cxa_atexit function type 503b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson // extern "C" int __cxa_atexit ( void (*f)(void *), void *p, void *d ); 513b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson const llvm::FunctionType *AtExitFnTy = 523b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson llvm::FunctionType::get(ConvertType(getContext().IntTy), Params, false); 533b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson 543b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson llvm::Constant *AtExitFn = CGM.CreateRuntimeFunction(AtExitFnTy, 553b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson "__cxa_atexit"); 563b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson 573b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson llvm::Constant *Handle = CGM.CreateRuntimeVariable(Int8PtrTy, 583b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson "__dso_handle"); 593b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson 603b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson llvm::Constant *DtorFn = CGM.GetAddrOfCXXDestructor(Dtor, Dtor_Complete); 613b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson 623b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson llvm::Value *Args[3] = { llvm::ConstantExpr::getBitCast(DtorFn, DtorFnTy), 633b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson llvm::ConstantExpr::getBitCast(DeclPtr, Int8PtrTy), 643b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson llvm::ConstantExpr::getBitCast(Handle, Int8PtrTy) }; 653b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson Builder.CreateCall(AtExitFn, &Args[0], llvm::array_endof(Args)); 663b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson} 673b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson 683b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlssonvoid CodeGenFunction::EmitCXXGlobalVarDeclInit(const VarDecl &D, 693b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson llvm::Constant *DeclPtr) { 703b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson assert(D.hasGlobalStorage() && 713b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson "VarDecl must have global storage!"); 723b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson 733b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson const Expr *Init = D.getInit(); 743b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson QualType T = D.getType(); 753b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson 763b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson if (T->isReferenceType()) { 77622f9dc76bdc4f4d6920907f4fb64a3222aa6566Anders Carlsson ErrorUnsupported(Init, "global variable that binds to a reference"); 783b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson } else if (!hasAggregateLLVMType(T)) { 793b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson llvm::Value *V = EmitScalarExpr(Init); 803b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson EmitStoreOfScalar(V, DeclPtr, T.isVolatileQualified(), T); 813b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson } else if (T->isAnyComplexType()) { 823b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson EmitComplexExprIntoAddr(Init, DeclPtr, T.isVolatileQualified()); 833b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson } else { 843b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson EmitAggExpr(Init, DeclPtr, T.isVolatileQualified()); 853b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson 863b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson if (const RecordType *RT = T->getAs<RecordType>()) { 873b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson CXXRecordDecl *RD = cast<CXXRecordDecl>(RT->getDecl()); 883b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson if (!RD->hasTrivialDestructor()) 893b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson EmitCXXGlobalDtorRegistration(RD->getDestructor(getContext()), DeclPtr); 903b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson } 913b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson } 923b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson} 933b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson 9489ed31d3f9eeb8ec77c284a5cf404a74bf5e7acfAnders Carlssonvoid 9589ed31d3f9eeb8ec77c284a5cf404a74bf5e7acfAnders CarlssonCodeGenModule::EmitCXXGlobalInitFunc() { 9689ed31d3f9eeb8ec77c284a5cf404a74bf5e7acfAnders Carlsson if (CXXGlobalInits.empty()) 9789ed31d3f9eeb8ec77c284a5cf404a74bf5e7acfAnders Carlsson return; 9889ed31d3f9eeb8ec77c284a5cf404a74bf5e7acfAnders Carlsson 990032b2781b4deb131f8c9b7968f2030bf2489cddOwen Anderson const llvm::FunctionType *FTy = llvm::FunctionType::get(llvm::Type::getVoidTy(VMContext), 10089ed31d3f9eeb8ec77c284a5cf404a74bf5e7acfAnders Carlsson false); 10189ed31d3f9eeb8ec77c284a5cf404a74bf5e7acfAnders Carlsson 10289ed31d3f9eeb8ec77c284a5cf404a74bf5e7acfAnders Carlsson // Create our global initialization function. 10389ed31d3f9eeb8ec77c284a5cf404a74bf5e7acfAnders Carlsson // FIXME: Should this be tweakable by targets? 10489ed31d3f9eeb8ec77c284a5cf404a74bf5e7acfAnders Carlsson llvm::Function *Fn = 10589ed31d3f9eeb8ec77c284a5cf404a74bf5e7acfAnders Carlsson llvm::Function::Create(FTy, llvm::GlobalValue::InternalLinkage, 10689ed31d3f9eeb8ec77c284a5cf404a74bf5e7acfAnders Carlsson "__cxx_global_initialization", &TheModule); 10789ed31d3f9eeb8ec77c284a5cf404a74bf5e7acfAnders Carlsson 10889ed31d3f9eeb8ec77c284a5cf404a74bf5e7acfAnders Carlsson CodeGenFunction(*this).GenerateCXXGlobalInitFunc(Fn, 10910c40eee98c600d24437474463b056f323d0cfd2Benjamin Kramer &CXXGlobalInits[0], 11089ed31d3f9eeb8ec77c284a5cf404a74bf5e7acfAnders Carlsson CXXGlobalInits.size()); 11189ed31d3f9eeb8ec77c284a5cf404a74bf5e7acfAnders Carlsson AddGlobalCtor(Fn); 11289ed31d3f9eeb8ec77c284a5cf404a74bf5e7acfAnders Carlsson} 11389ed31d3f9eeb8ec77c284a5cf404a74bf5e7acfAnders Carlsson 11489ed31d3f9eeb8ec77c284a5cf404a74bf5e7acfAnders Carlssonvoid CodeGenFunction::GenerateCXXGlobalInitFunc(llvm::Function *Fn, 11589ed31d3f9eeb8ec77c284a5cf404a74bf5e7acfAnders Carlsson const VarDecl **Decls, 11689ed31d3f9eeb8ec77c284a5cf404a74bf5e7acfAnders Carlsson unsigned NumDecls) { 11789ed31d3f9eeb8ec77c284a5cf404a74bf5e7acfAnders Carlsson StartFunction(0, getContext().VoidTy, Fn, FunctionArgList(), 11889ed31d3f9eeb8ec77c284a5cf404a74bf5e7acfAnders Carlsson SourceLocation()); 11989ed31d3f9eeb8ec77c284a5cf404a74bf5e7acfAnders Carlsson 12089ed31d3f9eeb8ec77c284a5cf404a74bf5e7acfAnders Carlsson for (unsigned i = 0; i != NumDecls; ++i) { 12189ed31d3f9eeb8ec77c284a5cf404a74bf5e7acfAnders Carlsson const VarDecl *D = Decls[i]; 12289ed31d3f9eeb8ec77c284a5cf404a74bf5e7acfAnders Carlsson 12389ed31d3f9eeb8ec77c284a5cf404a74bf5e7acfAnders Carlsson llvm::Constant *DeclPtr = CGM.GetAddrOfGlobalVar(D); 12489ed31d3f9eeb8ec77c284a5cf404a74bf5e7acfAnders Carlsson EmitCXXGlobalVarDeclInit(*D, DeclPtr); 12589ed31d3f9eeb8ec77c284a5cf404a74bf5e7acfAnders Carlsson } 12689ed31d3f9eeb8ec77c284a5cf404a74bf5e7acfAnders Carlsson FinishFunction(); 12789ed31d3f9eeb8ec77c284a5cf404a74bf5e7acfAnders Carlsson} 12889ed31d3f9eeb8ec77c284a5cf404a74bf5e7acfAnders Carlsson 1293b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlssonvoid 1303b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders CarlssonCodeGenFunction::EmitStaticCXXBlockVarDeclInit(const VarDecl &D, 1313b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson llvm::GlobalVariable *GV) { 1320096acf421c4609ce7f43e8b05f8c5ca866d4611Daniel Dunbar // FIXME: This should use __cxa_guard_{acquire,release}? 1330096acf421c4609ce7f43e8b05f8c5ca866d4611Daniel Dunbar 134e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson assert(!getContext().getLangOptions().ThreadsafeStatics && 135e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson "thread safe statics are currently not supported!"); 136e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson 137283a062a633d6e868aa2be319da812341fe73728Anders Carlsson llvm::SmallString<256> GuardVName; 138283a062a633d6e868aa2be319da812341fe73728Anders Carlsson llvm::raw_svector_ostream GuardVOut(GuardVName); 139283a062a633d6e868aa2be319da812341fe73728Anders Carlsson mangleGuardVariable(&D, getContext(), GuardVOut); 140283a062a633d6e868aa2be319da812341fe73728Anders Carlsson 141e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson // Create the guard variable. 142e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson llvm::GlobalValue *GuardV = 1430032b2781b4deb131f8c9b7968f2030bf2489cddOwen Anderson new llvm::GlobalVariable(CGM.getModule(), llvm::Type::getInt64Ty(VMContext), false, 1440096acf421c4609ce7f43e8b05f8c5ca866d4611Daniel Dunbar GV->getLinkage(), 1450032b2781b4deb131f8c9b7968f2030bf2489cddOwen Anderson llvm::Constant::getNullValue(llvm::Type::getInt64Ty(VMContext)), 1461c431b323d776362490bbf7cc796b74fedaf19f2Owen Anderson GuardVName.c_str()); 147e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson 148e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson // Load the first byte of the guard variable. 1490032b2781b4deb131f8c9b7968f2030bf2489cddOwen Anderson const llvm::Type *PtrTy = llvm::PointerType::get(llvm::Type::getInt8Ty(VMContext), 0); 150e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson llvm::Value *V = Builder.CreateLoad(Builder.CreateBitCast(GuardV, PtrTy), 151e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson "tmp"); 152e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson 153e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson // Compare it against 0. 1540032b2781b4deb131f8c9b7968f2030bf2489cddOwen Anderson llvm::Value *nullValue = llvm::Constant::getNullValue(llvm::Type::getInt8Ty(VMContext)); 155e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson llvm::Value *ICmp = Builder.CreateICmpEQ(V, nullValue , "tobool"); 156e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson 15755e874299f2ad827646a4ca9ea38c402aaeb38c9Daniel Dunbar llvm::BasicBlock *InitBlock = createBasicBlock("init"); 1589615ecb44f549ae9fa2b4db6ff46bc78befbf62cDaniel Dunbar llvm::BasicBlock *EndBlock = createBasicBlock("init.end"); 159e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson 160e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson // If the guard variable is 0, jump to the initializer code. 161e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson Builder.CreateCondBr(ICmp, InitBlock, EndBlock); 162e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson 163e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson EmitBlock(InitBlock); 164e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson 1653b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson EmitCXXGlobalVarDeclInit(D, GV); 1663b2e16b3d25f6b311dba2871e2a566c96238c3d2Anders Carlsson 1670032b2781b4deb131f8c9b7968f2030bf2489cddOwen Anderson Builder.CreateStore(llvm::ConstantInt::get(llvm::Type::getInt8Ty(VMContext), 1), 168e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson Builder.CreateBitCast(GuardV, PtrTy)); 169e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson 170e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson EmitBlock(EndBlock); 171e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson} 172e1b29efab32d02e114046d33cca242a88585bf8aAnders Carlsson 173b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders CarlssonRValue CodeGenFunction::EmitCXXMemberCall(const CXXMethodDecl *MD, 174b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson llvm::Value *Callee, 175b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson llvm::Value *This, 176b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson CallExpr::const_arg_iterator ArgBeg, 177b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson CallExpr::const_arg_iterator ArgEnd) { 178774e7c6881ee6cb970cd42239d700dce87ed402aAnders Carlsson assert(MD->isInstance() && 179774e7c6881ee6cb970cd42239d700dce87ed402aAnders Carlsson "Trying to emit a member call expr on a static method!"); 180b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson 181b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson const FunctionProtoType *FPT = MD->getType()->getAsFunctionProtoType(); 182b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson 183b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson CallArgList Args; 184b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson 185b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson // Push the this ptr. 186b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson Args.push_back(std::make_pair(RValue::get(This), 187b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson MD->getThisType(getContext()))); 188b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson 189b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson // And the rest of the call args 190b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson EmitCallArgs(Args, FPT, ArgBeg, ArgEnd); 191774e7c6881ee6cb970cd42239d700dce87ed402aAnders Carlsson 192b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson QualType ResultType = MD->getType()->getAsFunctionType()->getResultType(); 193b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson return EmitCall(CGM.getTypes().getFunctionInfo(ResultType, Args), 194b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson Callee, Args, MD); 195b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson} 196b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson 197b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders CarlssonRValue CodeGenFunction::EmitCXXMemberCallExpr(const CXXMemberCallExpr *CE) { 198b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson const MemberExpr *ME = cast<MemberExpr>(CE->getCallee()); 199b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson const CXXMethodDecl *MD = cast<CXXMethodDecl>(ME->getMemberDecl()); 200b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson 201e9918d2443ad524e0f488e8f15d9bce4e7373cd1Anders Carlsson const FunctionProtoType *FPT = MD->getType()->getAsFunctionProtoType(); 2027116da1efe23f90eb22524ac9aa036153b74f482Mike Stump 203f121677b6bbbf4e4a51ee7a1120b77adf187bad4Mike Stump if (MD->isVirtual()) { 2047116da1efe23f90eb22524ac9aa036153b74f482Mike Stump ErrorUnsupported(CE, "virtual dispatch"); 2057116da1efe23f90eb22524ac9aa036153b74f482Mike Stump } 2067116da1efe23f90eb22524ac9aa036153b74f482Mike Stump 207774e7c6881ee6cb970cd42239d700dce87ed402aAnders Carlsson const llvm::Type *Ty = 208e9918d2443ad524e0f488e8f15d9bce4e7373cd1Anders Carlsson CGM.getTypes().GetFunctionType(CGM.getTypes().getFunctionInfo(MD), 209e9918d2443ad524e0f488e8f15d9bce4e7373cd1Anders Carlsson FPT->isVariadic()); 210b4880bab7fc1b61267cfd9a0ad52188e7a828cb3Chris Lattner llvm::Constant *Callee = CGM.GetAddrOfFunction(GlobalDecl(MD), Ty); 211774e7c6881ee6cb970cd42239d700dce87ed402aAnders Carlsson 212b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson llvm::Value *This; 213774e7c6881ee6cb970cd42239d700dce87ed402aAnders Carlsson 214774e7c6881ee6cb970cd42239d700dce87ed402aAnders Carlsson if (ME->isArrow()) 215b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson This = EmitScalarExpr(ME->getBase()); 216774e7c6881ee6cb970cd42239d700dce87ed402aAnders Carlsson else { 217774e7c6881ee6cb970cd42239d700dce87ed402aAnders Carlsson LValue BaseLV = EmitLValue(ME->getBase()); 218b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson This = BaseLV.getAddress(); 219774e7c6881ee6cb970cd42239d700dce87ed402aAnders Carlsson } 220774e7c6881ee6cb970cd42239d700dce87ed402aAnders Carlsson 221b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson return EmitCXXMemberCall(MD, Callee, This, 222b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson CE->arg_begin(), CE->arg_end()); 223774e7c6881ee6cb970cd42239d700dce87ed402aAnders Carlsson} 2245f4307b7ba164b03c853c8d3eb4674d33f8967a6Anders Carlsson 2250f294632f36459174199b77699e339715244b5abAnders CarlssonRValue 2260f294632f36459174199b77699e339715244b5abAnders CarlssonCodeGenFunction::EmitCXXOperatorMemberCallExpr(const CXXOperatorCallExpr *E, 2270f294632f36459174199b77699e339715244b5abAnders Carlsson const CXXMethodDecl *MD) { 2280f294632f36459174199b77699e339715244b5abAnders Carlsson assert(MD->isInstance() && 2290f294632f36459174199b77699e339715244b5abAnders Carlsson "Trying to emit a member call expr on a static method!"); 2300f294632f36459174199b77699e339715244b5abAnders Carlsson 231ad25883a644dd6b52c7923dd128a7d05fb26213cFariborz Jahanian if (MD->isCopyAssignment()) { 232ad25883a644dd6b52c7923dd128a7d05fb26213cFariborz Jahanian const CXXRecordDecl *ClassDecl = cast<CXXRecordDecl>(MD->getDeclContext()); 233ad25883a644dd6b52c7923dd128a7d05fb26213cFariborz Jahanian if (ClassDecl->hasTrivialCopyAssignment()) { 234ad25883a644dd6b52c7923dd128a7d05fb26213cFariborz Jahanian assert(!ClassDecl->hasUserDeclaredCopyAssignment() && 235ad25883a644dd6b52c7923dd128a7d05fb26213cFariborz Jahanian "EmitCXXOperatorMemberCallExpr - user declared copy assignment"); 236ad25883a644dd6b52c7923dd128a7d05fb26213cFariborz Jahanian llvm::Value *This = EmitLValue(E->getArg(0)).getAddress(); 237ad25883a644dd6b52c7923dd128a7d05fb26213cFariborz Jahanian llvm::Value *Src = EmitLValue(E->getArg(1)).getAddress(); 238ad25883a644dd6b52c7923dd128a7d05fb26213cFariborz Jahanian QualType Ty = E->getType(); 239ad25883a644dd6b52c7923dd128a7d05fb26213cFariborz Jahanian EmitAggregateCopy(This, Src, Ty); 240ad25883a644dd6b52c7923dd128a7d05fb26213cFariborz Jahanian return RValue::get(This); 241ad25883a644dd6b52c7923dd128a7d05fb26213cFariborz Jahanian } 242ad25883a644dd6b52c7923dd128a7d05fb26213cFariborz Jahanian } 2430f294632f36459174199b77699e339715244b5abAnders Carlsson 2440f294632f36459174199b77699e339715244b5abAnders Carlsson const FunctionProtoType *FPT = MD->getType()->getAsFunctionProtoType(); 2450f294632f36459174199b77699e339715244b5abAnders Carlsson const llvm::Type *Ty = 2460f294632f36459174199b77699e339715244b5abAnders Carlsson CGM.getTypes().GetFunctionType(CGM.getTypes().getFunctionInfo(MD), 2470f294632f36459174199b77699e339715244b5abAnders Carlsson FPT->isVariadic()); 2480f294632f36459174199b77699e339715244b5abAnders Carlsson llvm::Constant *Callee = CGM.GetAddrOfFunction(GlobalDecl(MD), Ty); 2490f294632f36459174199b77699e339715244b5abAnders Carlsson 2500f294632f36459174199b77699e339715244b5abAnders Carlsson llvm::Value *This = EmitLValue(E->getArg(0)).getAddress(); 2510f294632f36459174199b77699e339715244b5abAnders Carlsson 2520f294632f36459174199b77699e339715244b5abAnders Carlsson return EmitCXXMemberCall(MD, Callee, This, 2530f294632f36459174199b77699e339715244b5abAnders Carlsson E->arg_begin() + 1, E->arg_end()); 2540f294632f36459174199b77699e339715244b5abAnders Carlsson} 2550f294632f36459174199b77699e339715244b5abAnders Carlsson 2565f4307b7ba164b03c853c8d3eb4674d33f8967a6Anders Carlssonllvm::Value *CodeGenFunction::LoadCXXThis() { 2575f4307b7ba164b03c853c8d3eb4674d33f8967a6Anders Carlsson assert(isa<CXXMethodDecl>(CurFuncDecl) && 2585f4307b7ba164b03c853c8d3eb4674d33f8967a6Anders Carlsson "Must be in a C++ member function decl to load 'this'"); 2595f4307b7ba164b03c853c8d3eb4674d33f8967a6Anders Carlsson assert(cast<CXXMethodDecl>(CurFuncDecl)->isInstance() && 2605f4307b7ba164b03c853c8d3eb4674d33f8967a6Anders Carlsson "Must be in a C++ member function decl to load 'this'"); 2615f4307b7ba164b03c853c8d3eb4674d33f8967a6Anders Carlsson 2625f4307b7ba164b03c853c8d3eb4674d33f8967a6Anders Carlsson // FIXME: What if we're inside a block? 263f5408fe484495ee4efbdd709c8a2c2fdbbbdb328Mike Stump // ans: See how CodeGenFunction::LoadObjCSelf() uses 264f5408fe484495ee4efbdd709c8a2c2fdbbbdb328Mike Stump // CodeGenFunction::BlockForwardSelf() for how to do this. 2655f4307b7ba164b03c853c8d3eb4674d33f8967a6Anders Carlsson return Builder.CreateLoad(LocalDeclMap[CXXThisDecl], "this"); 2665f4307b7ba164b03c853c8d3eb4674d33f8967a6Anders Carlsson} 26795d4e5d2f87a0f07fb143ccb824dfc4c5c595c78Anders Carlsson 268c238a79a97ad35227a28acf16028ab63127c2fb7Fariborz Jahanianstatic bool 269c238a79a97ad35227a28acf16028ab63127c2fb7Fariborz JahanianGetNestedPaths(llvm::SmallVectorImpl<const CXXRecordDecl *> &NestedBasePaths, 270c238a79a97ad35227a28acf16028ab63127c2fb7Fariborz Jahanian const CXXRecordDecl *ClassDecl, 271c238a79a97ad35227a28acf16028ab63127c2fb7Fariborz Jahanian const CXXRecordDecl *BaseClassDecl) { 272c238a79a97ad35227a28acf16028ab63127c2fb7Fariborz Jahanian for (CXXRecordDecl::base_class_const_iterator i = ClassDecl->bases_begin(), 273c238a79a97ad35227a28acf16028ab63127c2fb7Fariborz Jahanian e = ClassDecl->bases_end(); i != e; ++i) { 274c238a79a97ad35227a28acf16028ab63127c2fb7Fariborz Jahanian if (i->isVirtual()) 275c238a79a97ad35227a28acf16028ab63127c2fb7Fariborz Jahanian continue; 276c238a79a97ad35227a28acf16028ab63127c2fb7Fariborz Jahanian const CXXRecordDecl *Base = 277104ffaaa05d31d0a3dc886b7b18ebb2496bc2af4Mike Stump cast<CXXRecordDecl>(i->getType()->getAs<RecordType>()->getDecl()); 278c238a79a97ad35227a28acf16028ab63127c2fb7Fariborz Jahanian if (Base == BaseClassDecl) { 279c238a79a97ad35227a28acf16028ab63127c2fb7Fariborz Jahanian NestedBasePaths.push_back(BaseClassDecl); 280c238a79a97ad35227a28acf16028ab63127c2fb7Fariborz Jahanian return true; 281c238a79a97ad35227a28acf16028ab63127c2fb7Fariborz Jahanian } 282c238a79a97ad35227a28acf16028ab63127c2fb7Fariborz Jahanian } 283c238a79a97ad35227a28acf16028ab63127c2fb7Fariborz Jahanian // BaseClassDecl not an immediate base of ClassDecl. 284c238a79a97ad35227a28acf16028ab63127c2fb7Fariborz Jahanian for (CXXRecordDecl::base_class_const_iterator i = ClassDecl->bases_begin(), 285c238a79a97ad35227a28acf16028ab63127c2fb7Fariborz Jahanian e = ClassDecl->bases_end(); i != e; ++i) { 286c238a79a97ad35227a28acf16028ab63127c2fb7Fariborz Jahanian if (i->isVirtual()) 287c238a79a97ad35227a28acf16028ab63127c2fb7Fariborz Jahanian continue; 288c238a79a97ad35227a28acf16028ab63127c2fb7Fariborz Jahanian const CXXRecordDecl *Base = 289c238a79a97ad35227a28acf16028ab63127c2fb7Fariborz Jahanian cast<CXXRecordDecl>(i->getType()->getAs<RecordType>()->getDecl()); 290c238a79a97ad35227a28acf16028ab63127c2fb7Fariborz Jahanian if (GetNestedPaths(NestedBasePaths, Base, BaseClassDecl)) { 291c238a79a97ad35227a28acf16028ab63127c2fb7Fariborz Jahanian NestedBasePaths.push_back(Base); 292c238a79a97ad35227a28acf16028ab63127c2fb7Fariborz Jahanian return true; 293c238a79a97ad35227a28acf16028ab63127c2fb7Fariborz Jahanian } 294c238a79a97ad35227a28acf16028ab63127c2fb7Fariborz Jahanian } 295c238a79a97ad35227a28acf16028ab63127c2fb7Fariborz Jahanian return false; 296c238a79a97ad35227a28acf16028ab63127c2fb7Fariborz Jahanian} 297c238a79a97ad35227a28acf16028ab63127c2fb7Fariborz Jahanian 2989e809e7da2448c08aa11f15be4680226754678ceFariborz Jahanianllvm::Value *CodeGenFunction::AddressCXXOfBaseClass(llvm::Value *BaseValue, 2996d0bdaa68989bee60c85274e82a8f9c982587f26Fariborz Jahanian const CXXRecordDecl *ClassDecl, 3006d0bdaa68989bee60c85274e82a8f9c982587f26Fariborz Jahanian const CXXRecordDecl *BaseClassDecl) { 3019e809e7da2448c08aa11f15be4680226754678ceFariborz Jahanian if (ClassDecl == BaseClassDecl) 3029e809e7da2448c08aa11f15be4680226754678ceFariborz Jahanian return BaseValue; 3039e809e7da2448c08aa11f15be4680226754678ceFariborz Jahanian 3040032b2781b4deb131f8c9b7968f2030bf2489cddOwen Anderson llvm::Type *I8Ptr = llvm::PointerType::getUnqual(llvm::Type::getInt8Ty(VMContext)); 305c238a79a97ad35227a28acf16028ab63127c2fb7Fariborz Jahanian llvm::SmallVector<const CXXRecordDecl *, 16> NestedBasePaths; 306c238a79a97ad35227a28acf16028ab63127c2fb7Fariborz Jahanian GetNestedPaths(NestedBasePaths, ClassDecl, BaseClassDecl); 307c238a79a97ad35227a28acf16028ab63127c2fb7Fariborz Jahanian assert(NestedBasePaths.size() > 0 && 308c238a79a97ad35227a28acf16028ab63127c2fb7Fariborz Jahanian "AddressCXXOfBaseClass - inheritence path failed"); 309c238a79a97ad35227a28acf16028ab63127c2fb7Fariborz Jahanian NestedBasePaths.push_back(ClassDecl); 310c238a79a97ad35227a28acf16028ab63127c2fb7Fariborz Jahanian uint64_t Offset = 0; 311c238a79a97ad35227a28acf16028ab63127c2fb7Fariborz Jahanian 3129e809e7da2448c08aa11f15be4680226754678ceFariborz Jahanian // Accessing a member of the base class. Must add delata to 3139e809e7da2448c08aa11f15be4680226754678ceFariborz Jahanian // the load of 'this'. 314c238a79a97ad35227a28acf16028ab63127c2fb7Fariborz Jahanian for (unsigned i = NestedBasePaths.size()-1; i > 0; i--) { 315c238a79a97ad35227a28acf16028ab63127c2fb7Fariborz Jahanian const CXXRecordDecl *DerivedClass = NestedBasePaths[i]; 316c238a79a97ad35227a28acf16028ab63127c2fb7Fariborz Jahanian const CXXRecordDecl *BaseClass = NestedBasePaths[i-1]; 317c238a79a97ad35227a28acf16028ab63127c2fb7Fariborz Jahanian const ASTRecordLayout &Layout = 318c238a79a97ad35227a28acf16028ab63127c2fb7Fariborz Jahanian getContext().getASTRecordLayout(DerivedClass); 319c238a79a97ad35227a28acf16028ab63127c2fb7Fariborz Jahanian Offset += Layout.getBaseClassOffset(BaseClass) / 8; 320c238a79a97ad35227a28acf16028ab63127c2fb7Fariborz Jahanian } 3215a8503b333f50acd6012859853612229f38cb420Fariborz Jahanian llvm::Value *OffsetVal = 3225a8503b333f50acd6012859853612229f38cb420Fariborz Jahanian llvm::ConstantInt::get( 3235a8503b333f50acd6012859853612229f38cb420Fariborz Jahanian CGM.getTypes().ConvertType(CGM.getContext().LongTy), Offset); 3249e809e7da2448c08aa11f15be4680226754678ceFariborz Jahanian BaseValue = Builder.CreateBitCast(BaseValue, I8Ptr); 3259e809e7da2448c08aa11f15be4680226754678ceFariborz Jahanian BaseValue = Builder.CreateGEP(BaseValue, OffsetVal, "add.ptr"); 3269e809e7da2448c08aa11f15be4680226754678ceFariborz Jahanian QualType BTy = 3279e809e7da2448c08aa11f15be4680226754678ceFariborz Jahanian getContext().getCanonicalType( 3286d0bdaa68989bee60c85274e82a8f9c982587f26Fariborz Jahanian getContext().getTypeDeclType(const_cast<CXXRecordDecl*>(BaseClassDecl))); 3299e809e7da2448c08aa11f15be4680226754678ceFariborz Jahanian const llvm::Type *BasePtr = ConvertType(BTy); 33096e0fc726c6fe7538522c60743705d5e696b40afOwen Anderson BasePtr = llvm::PointerType::getUnqual(BasePtr); 3319e809e7da2448c08aa11f15be4680226754678ceFariborz Jahanian BaseValue = Builder.CreateBitCast(BaseValue, BasePtr); 3329e809e7da2448c08aa11f15be4680226754678ceFariborz Jahanian return BaseValue; 3339e809e7da2448c08aa11f15be4680226754678ceFariborz Jahanian} 3349e809e7da2448c08aa11f15be4680226754678ceFariborz Jahanian 335b14095aa98c6fedd3625920c4ce834bcaf24d9f7Anders Carlssonvoid 336b14095aa98c6fedd3625920c4ce834bcaf24d9f7Anders CarlssonCodeGenFunction::EmitCXXConstructorCall(const CXXConstructorDecl *D, 337b14095aa98c6fedd3625920c4ce834bcaf24d9f7Anders Carlsson CXXCtorType Type, 338b14095aa98c6fedd3625920c4ce834bcaf24d9f7Anders Carlsson llvm::Value *This, 339b14095aa98c6fedd3625920c4ce834bcaf24d9f7Anders Carlsson CallExpr::const_arg_iterator ArgBeg, 340b14095aa98c6fedd3625920c4ce834bcaf24d9f7Anders Carlsson CallExpr::const_arg_iterator ArgEnd) { 341343a3cf57ee950b024bade8b6b0a2b51663f43cdFariborz Jahanian if (D->isCopyConstructor(getContext())) { 342343a3cf57ee950b024bade8b6b0a2b51663f43cdFariborz Jahanian const CXXRecordDecl *ClassDecl = cast<CXXRecordDecl>(D->getDeclContext()); 343343a3cf57ee950b024bade8b6b0a2b51663f43cdFariborz Jahanian if (ClassDecl->hasTrivialCopyConstructor()) { 344343a3cf57ee950b024bade8b6b0a2b51663f43cdFariborz Jahanian assert(!ClassDecl->hasUserDeclaredCopyConstructor() && 345343a3cf57ee950b024bade8b6b0a2b51663f43cdFariborz Jahanian "EmitCXXConstructorCall - user declared copy constructor"); 346343a3cf57ee950b024bade8b6b0a2b51663f43cdFariborz Jahanian const Expr *E = (*ArgBeg); 347343a3cf57ee950b024bade8b6b0a2b51663f43cdFariborz Jahanian QualType Ty = E->getType(); 348343a3cf57ee950b024bade8b6b0a2b51663f43cdFariborz Jahanian llvm::Value *Src = EmitLValue(E).getAddress(); 349343a3cf57ee950b024bade8b6b0a2b51663f43cdFariborz Jahanian EmitAggregateCopy(This, Src, Ty); 350343a3cf57ee950b024bade8b6b0a2b51663f43cdFariborz Jahanian return; 351343a3cf57ee950b024bade8b6b0a2b51663f43cdFariborz Jahanian } 352343a3cf57ee950b024bade8b6b0a2b51663f43cdFariborz Jahanian } 353343a3cf57ee950b024bade8b6b0a2b51663f43cdFariborz Jahanian 354b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson llvm::Value *Callee = CGM.GetAddrOfCXXConstructor(D, Type); 355b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson 356b9de2c55b2a33776e2bee8ee57df7599b374c8a5Anders Carlsson EmitCXXMemberCall(D, Callee, This, ArgBeg, ArgEnd); 357b14095aa98c6fedd3625920c4ce834bcaf24d9f7Anders Carlsson} 358b14095aa98c6fedd3625920c4ce834bcaf24d9f7Anders Carlsson 3597267c1693abe7875b0c57268be05005ae013c6c9Anders Carlssonvoid CodeGenFunction::EmitCXXDestructorCall(const CXXDestructorDecl *D, 3607267c1693abe7875b0c57268be05005ae013c6c9Anders Carlsson CXXDtorType Type, 3617267c1693abe7875b0c57268be05005ae013c6c9Anders Carlsson llvm::Value *This) { 3627267c1693abe7875b0c57268be05005ae013c6c9Anders Carlsson llvm::Value *Callee = CGM.GetAddrOfCXXDestructor(D, Type); 3637267c1693abe7875b0c57268be05005ae013c6c9Anders Carlsson 3647267c1693abe7875b0c57268be05005ae013c6c9Anders Carlsson EmitCXXMemberCall(D, Callee, This, 0, 0); 3657267c1693abe7875b0c57268be05005ae013c6c9Anders Carlsson} 3667267c1693abe7875b0c57268be05005ae013c6c9Anders Carlsson 367b14095aa98c6fedd3625920c4ce834bcaf24d9f7Anders Carlssonvoid 36831ccf377f4a676eb6c205b47eef435de616d5e2dAnders CarlssonCodeGenFunction::EmitCXXConstructExpr(llvm::Value *Dest, 36931ccf377f4a676eb6c205b47eef435de616d5e2dAnders Carlsson const CXXConstructExpr *E) { 370b14095aa98c6fedd3625920c4ce834bcaf24d9f7Anders Carlsson assert(Dest && "Must have a destination!"); 371b14095aa98c6fedd3625920c4ce834bcaf24d9f7Anders Carlsson 372b14095aa98c6fedd3625920c4ce834bcaf24d9f7Anders Carlsson const CXXRecordDecl *RD = 3736217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek cast<CXXRecordDecl>(E->getType()->getAs<RecordType>()->getDecl()); 374b14095aa98c6fedd3625920c4ce834bcaf24d9f7Anders Carlsson if (RD->hasTrivialConstructor()) 375b14095aa98c6fedd3625920c4ce834bcaf24d9f7Anders Carlsson return; 3766904cbb1f21002317387e8fc7b14b7f8c09d198fFariborz Jahanian 3776904cbb1f21002317387e8fc7b14b7f8c09d198fFariborz Jahanian // Code gen optimization to eliminate copy constructor and return 3786904cbb1f21002317387e8fc7b14b7f8c09d198fFariborz Jahanian // its first argument instead. 3791cf9ff87ee235ad252332a96699abdb32bd6facbFariborz Jahanian if (E->isElidable()) { 3806904cbb1f21002317387e8fc7b14b7f8c09d198fFariborz Jahanian CXXConstructExpr::const_arg_iterator i = E->arg_begin(); 3811cf9ff87ee235ad252332a96699abdb32bd6facbFariborz Jahanian EmitAggExpr((*i), Dest, false); 3821cf9ff87ee235ad252332a96699abdb32bd6facbFariborz Jahanian return; 3836904cbb1f21002317387e8fc7b14b7f8c09d198fFariborz Jahanian } 384b14095aa98c6fedd3625920c4ce834bcaf24d9f7Anders Carlsson // Call the constructor. 385b14095aa98c6fedd3625920c4ce834bcaf24d9f7Anders Carlsson EmitCXXConstructorCall(E->getConstructor(), Ctor_Complete, Dest, 386b14095aa98c6fedd3625920c4ce834bcaf24d9f7Anders Carlsson E->arg_begin(), E->arg_end()); 387b14095aa98c6fedd3625920c4ce834bcaf24d9f7Anders Carlsson} 388b14095aa98c6fedd3625920c4ce834bcaf24d9f7Anders Carlsson 389a00703dccbdc6cc4a293db38477dea7db5538c7eAnders Carlssonllvm::Value *CodeGenFunction::EmitCXXNewExpr(const CXXNewExpr *E) { 390ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson if (E->isArray()) { 391ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson ErrorUnsupported(E, "new[] expression"); 39203e205031b08669f05c41eed5b896fc94c4a12bbOwen Anderson return llvm::UndefValue::get(ConvertType(E->getType())); 393ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson } 394ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson 395ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson QualType AllocType = E->getAllocatedType(); 396ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson FunctionDecl *NewFD = E->getOperatorNew(); 397ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson const FunctionProtoType *NewFTy = NewFD->getType()->getAsFunctionProtoType(); 398ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson 399ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson CallArgList NewArgs; 400ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson 401ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson // The allocation size is the first argument. 402ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson QualType SizeTy = getContext().getSizeType(); 403ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson llvm::Value *AllocSize = 4044a28d5deeba33722aa009eab488591fb9055cc7eOwen Anderson llvm::ConstantInt::get(ConvertType(SizeTy), 405ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson getContext().getTypeSize(AllocType) / 8); 406ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson 407ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson NewArgs.push_back(std::make_pair(RValue::get(AllocSize), SizeTy)); 408ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson 409ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson // Emit the rest of the arguments. 410ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson // FIXME: Ideally, this should just use EmitCallArgs. 411ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson CXXNewExpr::const_arg_iterator NewArg = E->placement_arg_begin(); 412ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson 413ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson // First, use the types from the function type. 414ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson // We start at 1 here because the first argument (the allocation size) 415ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson // has already been emitted. 416ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson for (unsigned i = 1, e = NewFTy->getNumArgs(); i != e; ++i, ++NewArg) { 417ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson QualType ArgType = NewFTy->getArgType(i); 418ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson 419ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson assert(getContext().getCanonicalType(ArgType.getNonReferenceType()). 420ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson getTypePtr() == 421ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson getContext().getCanonicalType(NewArg->getType()).getTypePtr() && 422ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson "type mismatch in call argument!"); 423ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson 424ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson NewArgs.push_back(std::make_pair(EmitCallArg(*NewArg, ArgType), 425ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson ArgType)); 426ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson 427ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson } 428ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson 429ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson // Either we've emitted all the call args, or we have a call to a 430ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson // variadic function. 431ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson assert((NewArg == E->placement_arg_end() || NewFTy->isVariadic()) && 432ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson "Extra arguments in non-variadic function!"); 433ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson 434ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson // If we still have any arguments, emit them using the type of the argument. 435ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson for (CXXNewExpr::const_arg_iterator NewArgEnd = E->placement_arg_end(); 436ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson NewArg != NewArgEnd; ++NewArg) { 437ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson QualType ArgType = NewArg->getType(); 438ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson NewArgs.push_back(std::make_pair(EmitCallArg(*NewArg, ArgType), 439ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson ArgType)); 440ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson } 441ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson 442ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson // Emit the call to new. 443ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson RValue RV = 444ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson EmitCall(CGM.getTypes().getFunctionInfo(NewFTy->getResultType(), NewArgs), 445ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson CGM.GetAddrOfFunction(GlobalDecl(NewFD)), 446ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson NewArgs, NewFD); 447ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson 448d3fd6bad1249d3f34d71b73e2333fab0db51cce4Anders Carlsson // If an allocation function is declared with an empty exception specification 449d3fd6bad1249d3f34d71b73e2333fab0db51cce4Anders Carlsson // it returns null to indicate failure to allocate storage. [expr.new]p13. 450d3fd6bad1249d3f34d71b73e2333fab0db51cce4Anders Carlsson // (We don't need to check for null when there's no new initializer and 451d3fd6bad1249d3f34d71b73e2333fab0db51cce4Anders Carlsson // we're allocating a POD type). 452d3fd6bad1249d3f34d71b73e2333fab0db51cce4Anders Carlsson bool NullCheckResult = NewFTy->hasEmptyExceptionSpec() && 453d3fd6bad1249d3f34d71b73e2333fab0db51cce4Anders Carlsson !(AllocType->isPODType() && !E->hasInitializer()); 454ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson 455f11085398dc27c0010663c711d4a10113e41d70fAnders Carlsson llvm::BasicBlock *NewNull = 0; 456f11085398dc27c0010663c711d4a10113e41d70fAnders Carlsson llvm::BasicBlock *NewNotNull = 0; 457f11085398dc27c0010663c711d4a10113e41d70fAnders Carlsson llvm::BasicBlock *NewEnd = 0; 458f11085398dc27c0010663c711d4a10113e41d70fAnders Carlsson 459f11085398dc27c0010663c711d4a10113e41d70fAnders Carlsson llvm::Value *NewPtr = RV.getScalarVal(); 460f11085398dc27c0010663c711d4a10113e41d70fAnders Carlsson 461d3fd6bad1249d3f34d71b73e2333fab0db51cce4Anders Carlsson if (NullCheckResult) { 462f11085398dc27c0010663c711d4a10113e41d70fAnders Carlsson NewNull = createBasicBlock("new.null"); 463f11085398dc27c0010663c711d4a10113e41d70fAnders Carlsson NewNotNull = createBasicBlock("new.notnull"); 464f11085398dc27c0010663c711d4a10113e41d70fAnders Carlsson NewEnd = createBasicBlock("new.end"); 465f11085398dc27c0010663c711d4a10113e41d70fAnders Carlsson 466f11085398dc27c0010663c711d4a10113e41d70fAnders Carlsson llvm::Value *IsNull = 467f11085398dc27c0010663c711d4a10113e41d70fAnders Carlsson Builder.CreateICmpEQ(NewPtr, 468c9c88b4159791c48e486ca94e3743b5979e2b7a6Owen Anderson llvm::Constant::getNullValue(NewPtr->getType()), 469f11085398dc27c0010663c711d4a10113e41d70fAnders Carlsson "isnull"); 470f11085398dc27c0010663c711d4a10113e41d70fAnders Carlsson 471f11085398dc27c0010663c711d4a10113e41d70fAnders Carlsson Builder.CreateCondBr(IsNull, NewNull, NewNotNull); 472f11085398dc27c0010663c711d4a10113e41d70fAnders Carlsson EmitBlock(NewNotNull); 473d3fd6bad1249d3f34d71b73e2333fab0db51cce4Anders Carlsson } 474d3fd6bad1249d3f34d71b73e2333fab0db51cce4Anders Carlsson 475f11085398dc27c0010663c711d4a10113e41d70fAnders Carlsson NewPtr = Builder.CreateBitCast(NewPtr, ConvertType(E->getType())); 476d3fd6bad1249d3f34d71b73e2333fab0db51cce4Anders Carlsson 4776d0ffad181215fc4ec0fca37c55eae82df6e0531Anders Carlsson if (AllocType->isPODType()) { 478215bd208d6eeff397bc4316d046ea8b4633efedfAnders Carlsson if (E->getNumConstructorArgs() > 0) { 4796d0ffad181215fc4ec0fca37c55eae82df6e0531Anders Carlsson assert(E->getNumConstructorArgs() == 1 && 4806d0ffad181215fc4ec0fca37c55eae82df6e0531Anders Carlsson "Can only have one argument to initializer of POD type."); 4816d0ffad181215fc4ec0fca37c55eae82df6e0531Anders Carlsson 4826d0ffad181215fc4ec0fca37c55eae82df6e0531Anders Carlsson const Expr *Init = E->getConstructorArg(0); 4836d0ffad181215fc4ec0fca37c55eae82df6e0531Anders Carlsson 4843923e95280210ef877153f0c3dbab12d6ed2ad43Anders Carlsson if (!hasAggregateLLVMType(AllocType)) 4856d0ffad181215fc4ec0fca37c55eae82df6e0531Anders Carlsson Builder.CreateStore(EmitScalarExpr(Init), NewPtr); 4863923e95280210ef877153f0c3dbab12d6ed2ad43Anders Carlsson else if (AllocType->isAnyComplexType()) 4873923e95280210ef877153f0c3dbab12d6ed2ad43Anders Carlsson EmitComplexExprIntoAddr(Init, NewPtr, AllocType.isVolatileQualified()); 488627a3e573f1d9f0429d62c7ceb742a21cdabfce0Anders Carlsson else 489627a3e573f1d9f0429d62c7ceb742a21cdabfce0Anders Carlsson EmitAggExpr(Init, NewPtr, AllocType.isVolatileQualified()); 4906d0ffad181215fc4ec0fca37c55eae82df6e0531Anders Carlsson } 491d3fd6bad1249d3f34d71b73e2333fab0db51cce4Anders Carlsson } else { 492d3fd6bad1249d3f34d71b73e2333fab0db51cce4Anders Carlsson // Call the constructor. 493d3fd6bad1249d3f34d71b73e2333fab0db51cce4Anders Carlsson CXXConstructorDecl *Ctor = E->getConstructor(); 4946d0ffad181215fc4ec0fca37c55eae82df6e0531Anders Carlsson 495d3fd6bad1249d3f34d71b73e2333fab0db51cce4Anders Carlsson EmitCXXConstructorCall(Ctor, Ctor_Complete, NewPtr, 496d3fd6bad1249d3f34d71b73e2333fab0db51cce4Anders Carlsson E->constructor_arg_begin(), 497d3fd6bad1249d3f34d71b73e2333fab0db51cce4Anders Carlsson E->constructor_arg_end()); 498ed4e367f8e27d2c700efdaff9412f2bf83ddba00Anders Carlsson } 499d3fd6bad1249d3f34d71b73e2333fab0db51cce4Anders Carlsson 500f11085398dc27c0010663c711d4a10113e41d70fAnders Carlsson if (NullCheckResult) { 501f11085398dc27c0010663c711d4a10113e41d70fAnders Carlsson Builder.CreateBr(NewEnd); 502f11085398dc27c0010663c711d4a10113e41d70fAnders Carlsson EmitBlock(NewNull); 503f11085398dc27c0010663c711d4a10113e41d70fAnders Carlsson Builder.CreateBr(NewEnd); 504f11085398dc27c0010663c711d4a10113e41d70fAnders Carlsson EmitBlock(NewEnd); 505f11085398dc27c0010663c711d4a10113e41d70fAnders Carlsson 506f11085398dc27c0010663c711d4a10113e41d70fAnders Carlsson llvm::PHINode *PHI = Builder.CreatePHI(NewPtr->getType()); 507f11085398dc27c0010663c711d4a10113e41d70fAnders Carlsson PHI->reserveOperandSpace(2); 508f11085398dc27c0010663c711d4a10113e41d70fAnders Carlsson PHI->addIncoming(NewPtr, NewNotNull); 509c9c88b4159791c48e486ca94e3743b5979e2b7a6Owen Anderson PHI->addIncoming(llvm::Constant::getNullValue(NewPtr->getType()), NewNull); 510f11085398dc27c0010663c711d4a10113e41d70fAnders Carlsson 511f11085398dc27c0010663c711d4a10113e41d70fAnders Carlsson NewPtr = PHI; 512f11085398dc27c0010663c711d4a10113e41d70fAnders Carlsson } 513f11085398dc27c0010663c711d4a10113e41d70fAnders Carlsson 514d3fd6bad1249d3f34d71b73e2333fab0db51cce4Anders Carlsson return NewPtr; 515a00703dccbdc6cc4a293db38477dea7db5538c7eAnders Carlsson} 516a00703dccbdc6cc4a293db38477dea7db5538c7eAnders Carlsson 51760e282cc1e508be327b0481cecedc206873cb86aAnders Carlssonvoid CodeGenFunction::EmitCXXDeleteExpr(const CXXDeleteExpr *E) { 51860e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson if (E->isArrayForm()) { 51960e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson ErrorUnsupported(E, "delete[] expression"); 52060e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson return; 52160e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson }; 52260e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson 52360e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson QualType DeleteTy = 52460e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson E->getArgument()->getType()->getAs<PointerType>()->getPointeeType(); 52560e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson 52660e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson llvm::Value *Ptr = EmitScalarExpr(E->getArgument()); 52760e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson 52860e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson // Null check the pointer. 52960e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson llvm::BasicBlock *DeleteNotNull = createBasicBlock("delete.notnull"); 53060e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson llvm::BasicBlock *DeleteEnd = createBasicBlock("delete.end"); 53160e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson 53260e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson llvm::Value *IsNull = 53360e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson Builder.CreateICmpEQ(Ptr, llvm::Constant::getNullValue(Ptr->getType()), 53460e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson "isnull"); 53560e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson 53660e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson Builder.CreateCondBr(IsNull, DeleteEnd, DeleteNotNull); 53760e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson EmitBlock(DeleteNotNull); 53860e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson 53960e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson // Call the destructor if necessary. 54060e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson if (const RecordType *RT = DeleteTy->getAs<RecordType>()) { 54160e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson if (CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(RT->getDecl())) { 54260e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson if (!RD->hasTrivialDestructor()) { 54360e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson const CXXDestructorDecl *Dtor = RD->getDestructor(getContext()); 54460e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson if (Dtor->isVirtual()) { 54560e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson ErrorUnsupported(E, "delete expression with virtual destructor"); 54660e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson return; 54760e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson } 54860e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson 54960e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson EmitCXXDestructorCall(Dtor, Dtor_Complete, Ptr); 55060e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson } 55160e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson } 55260e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson } 55360e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson 55460e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson // Call delete. 55560e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson FunctionDecl *DeleteFD = E->getOperatorDelete(); 55660e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson const FunctionProtoType *DeleteFTy = 55760e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson DeleteFD->getType()->getAsFunctionProtoType(); 55860e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson 55960e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson CallArgList DeleteArgs; 56060e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson 56160e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson QualType ArgTy = DeleteFTy->getArgType(0); 56260e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson llvm::Value *DeletePtr = Builder.CreateBitCast(Ptr, ConvertType(ArgTy)); 56360e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson DeleteArgs.push_back(std::make_pair(RValue::get(DeletePtr), ArgTy)); 56460e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson 56560e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson // Emit the call to delete. 56660e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson EmitCall(CGM.getTypes().getFunctionInfo(DeleteFTy->getResultType(), 56760e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson DeleteArgs), 56860e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson CGM.GetAddrOfFunction(GlobalDecl(DeleteFD)), 56960e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson DeleteArgs, DeleteFD); 57060e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson 57160e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson EmitBlock(DeleteEnd); 57260e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson} 57360e282cc1e508be327b0481cecedc206873cb86aAnders Carlsson 57427ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlssonstatic bool canGenerateCXXstructor(const CXXRecordDecl *RD, 57527ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson ASTContext &Context) { 57659d8e0ff383274d992b3fa9ebee48b5e4a5ebdd1Anders Carlsson // The class has base classes - we don't support that right now. 57759d8e0ff383274d992b3fa9ebee48b5e4a5ebdd1Anders Carlsson if (RD->getNumBases() > 0) 57859d8e0ff383274d992b3fa9ebee48b5e4a5ebdd1Anders Carlsson return false; 57959d8e0ff383274d992b3fa9ebee48b5e4a5ebdd1Anders Carlsson 58017945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis for (CXXRecordDecl::field_iterator I = RD->field_begin(), E = RD->field_end(); 58117945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis I != E; ++I) { 58259d8e0ff383274d992b3fa9ebee48b5e4a5ebdd1Anders Carlsson // We don't support ctors for fields that aren't POD. 58359d8e0ff383274d992b3fa9ebee48b5e4a5ebdd1Anders Carlsson if (!I->getType()->isPODType()) 58459d8e0ff383274d992b3fa9ebee48b5e4a5ebdd1Anders Carlsson return false; 58559d8e0ff383274d992b3fa9ebee48b5e4a5ebdd1Anders Carlsson } 58659d8e0ff383274d992b3fa9ebee48b5e4a5ebdd1Anders Carlsson 58759d8e0ff383274d992b3fa9ebee48b5e4a5ebdd1Anders Carlsson return true; 58859d8e0ff383274d992b3fa9ebee48b5e4a5ebdd1Anders Carlsson} 58959d8e0ff383274d992b3fa9ebee48b5e4a5ebdd1Anders Carlsson 59095d4e5d2f87a0f07fb143ccb824dfc4c5c595c78Anders Carlssonvoid CodeGenModule::EmitCXXConstructors(const CXXConstructorDecl *D) { 59127ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson if (!canGenerateCXXstructor(D->getParent(), getContext())) { 59259d8e0ff383274d992b3fa9ebee48b5e4a5ebdd1Anders Carlsson ErrorUnsupported(D, "C++ constructor", true); 59359d8e0ff383274d992b3fa9ebee48b5e4a5ebdd1Anders Carlsson return; 59459d8e0ff383274d992b3fa9ebee48b5e4a5ebdd1Anders Carlsson } 59595d4e5d2f87a0f07fb143ccb824dfc4c5c595c78Anders Carlsson 5962a131fbca2a51085dc083b8c56a2d4ced3cf1413Anders Carlsson EmitGlobal(GlobalDecl(D, Ctor_Complete)); 5972a131fbca2a51085dc083b8c56a2d4ced3cf1413Anders Carlsson EmitGlobal(GlobalDecl(D, Ctor_Base)); 59895d4e5d2f87a0f07fb143ccb824dfc4c5c595c78Anders Carlsson} 599363c184139e26ea38223b477ad64ee67b22bb9a7Anders Carlsson 60027ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlssonvoid CodeGenModule::EmitCXXConstructor(const CXXConstructorDecl *D, 60127ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson CXXCtorType Type) { 60227ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson 60327ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson llvm::Function *Fn = GetAddrOfCXXConstructor(D, Type); 60427ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson 60527ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson CodeGenFunction(*this).GenerateCode(D, Fn); 60627ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson 60727ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson SetFunctionDefinitionAttributes(D, Fn); 60827ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson SetLLVMFunctionAttributesForDefinition(D, Fn); 60927ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson} 61027ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson 611363c184139e26ea38223b477ad64ee67b22bb9a7Anders Carlssonllvm::Function * 612363c184139e26ea38223b477ad64ee67b22bb9a7Anders CarlssonCodeGenModule::GetAddrOfCXXConstructor(const CXXConstructorDecl *D, 613363c184139e26ea38223b477ad64ee67b22bb9a7Anders Carlsson CXXCtorType Type) { 614363c184139e26ea38223b477ad64ee67b22bb9a7Anders Carlsson const llvm::FunctionType *FTy = 615363c184139e26ea38223b477ad64ee67b22bb9a7Anders Carlsson getTypes().GetFunctionType(getTypes().getFunctionInfo(D), false); 616363c184139e26ea38223b477ad64ee67b22bb9a7Anders Carlsson 617363c184139e26ea38223b477ad64ee67b22bb9a7Anders Carlsson const char *Name = getMangledCXXCtorName(D, Type); 618b4880bab7fc1b61267cfd9a0ad52188e7a828cb3Chris Lattner return cast<llvm::Function>( 619b4880bab7fc1b61267cfd9a0ad52188e7a828cb3Chris Lattner GetOrCreateLLVMFunction(Name, FTy, GlobalDecl(D, Type))); 620363c184139e26ea38223b477ad64ee67b22bb9a7Anders Carlsson} 62127ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson 62227ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlssonconst char *CodeGenModule::getMangledCXXCtorName(const CXXConstructorDecl *D, 62327ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson CXXCtorType Type) { 62427ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson llvm::SmallString<256> Name; 62527ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson llvm::raw_svector_ostream Out(Name); 62627ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson mangleCXXCtor(D, Type, Context, Out); 62727ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson 62827ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson Name += '\0'; 62927ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson return UniqueMangledName(Name.begin(), Name.end()); 63027ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson} 63127ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson 63227ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlssonvoid CodeGenModule::EmitCXXDestructors(const CXXDestructorDecl *D) { 63327ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson if (!canGenerateCXXstructor(D->getParent(), getContext())) { 63427ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson ErrorUnsupported(D, "C++ destructor", true); 63527ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson return; 63627ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson } 63727ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson 63827ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson EmitCXXDestructor(D, Dtor_Complete); 63927ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson EmitCXXDestructor(D, Dtor_Base); 64027ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson} 64127ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson 64227ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlssonvoid CodeGenModule::EmitCXXDestructor(const CXXDestructorDecl *D, 64327ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson CXXDtorType Type) { 64427ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson llvm::Function *Fn = GetAddrOfCXXDestructor(D, Type); 64527ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson 64627ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson CodeGenFunction(*this).GenerateCode(D, Fn); 64727ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson 64827ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson SetFunctionDefinitionAttributes(D, Fn); 64927ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson SetLLVMFunctionAttributesForDefinition(D, Fn); 65027ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson} 65127ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson 65227ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlssonllvm::Function * 65327ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders CarlssonCodeGenModule::GetAddrOfCXXDestructor(const CXXDestructorDecl *D, 65427ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson CXXDtorType Type) { 65527ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson const llvm::FunctionType *FTy = 65627ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson getTypes().GetFunctionType(getTypes().getFunctionInfo(D), false); 65727ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson 65827ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson const char *Name = getMangledCXXDtorName(D, Type); 659b4880bab7fc1b61267cfd9a0ad52188e7a828cb3Chris Lattner return cast<llvm::Function>( 660b4880bab7fc1b61267cfd9a0ad52188e7a828cb3Chris Lattner GetOrCreateLLVMFunction(Name, FTy, GlobalDecl(D, Type))); 66127ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson} 66227ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson 66327ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlssonconst char *CodeGenModule::getMangledCXXDtorName(const CXXDestructorDecl *D, 66427ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson CXXDtorType Type) { 66527ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson llvm::SmallString<256> Name; 66627ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson llvm::raw_svector_ostream Out(Name); 66727ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson mangleCXXDtor(D, Type, Context, Out); 66827ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson 66927ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson Name += '\0'; 67027ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson return UniqueMangledName(Name.begin(), Name.end()); 67127ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson} 672e7d346b6d5cee14b75e34928b3fd423f21d8d80dFariborz Jahanian 67332f3701853a8237704065c77abc17369dd02c39bMike Stumpllvm::Constant *CodeGenModule::GenerateRtti(const CXXRecordDecl *RD) { 674738f8c278da5950d0d4607de2debe0bdfad64185Mike Stump llvm::Type *Ptr8Ty; 6750032b2781b4deb131f8c9b7968f2030bf2489cddOwen Anderson Ptr8Ty = llvm::PointerType::get(llvm::Type::getInt8Ty(VMContext), 0); 676cb1b5d32fd227cd791fbd0614f75b32f291a5ccaMike Stump llvm::Constant *Rtti = llvm::Constant::getNullValue(Ptr8Ty); 677738f8c278da5950d0d4607de2debe0bdfad64185Mike Stump 678738f8c278da5950d0d4607de2debe0bdfad64185Mike Stump if (!getContext().getLangOptions().Rtti) 679cb1b5d32fd227cd791fbd0614f75b32f291a5ccaMike Stump return Rtti; 680738f8c278da5950d0d4607de2debe0bdfad64185Mike Stump 681738f8c278da5950d0d4607de2debe0bdfad64185Mike Stump llvm::SmallString<256> OutName; 682738f8c278da5950d0d4607de2debe0bdfad64185Mike Stump llvm::raw_svector_ostream Out(OutName); 683738f8c278da5950d0d4607de2debe0bdfad64185Mike Stump QualType ClassTy; 684e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump ClassTy = getContext().getTagDeclType(RD); 685738f8c278da5950d0d4607de2debe0bdfad64185Mike Stump mangleCXXRtti(ClassTy, getContext(), Out); 686738f8c278da5950d0d4607de2debe0bdfad64185Mike Stump const char *Name = OutName.c_str(); 687738f8c278da5950d0d4607de2debe0bdfad64185Mike Stump llvm::GlobalVariable::LinkageTypes linktype; 688738f8c278da5950d0d4607de2debe0bdfad64185Mike Stump linktype = llvm::GlobalValue::WeakAnyLinkage; 689738f8c278da5950d0d4607de2debe0bdfad64185Mike Stump std::vector<llvm::Constant *> info; 6904ef980984fd0e131fca3f9e6ba15e8a79cabf88cMike Stump // assert(0 && "FIXME: implement rtti descriptor"); 691738f8c278da5950d0d4607de2debe0bdfad64185Mike Stump // FIXME: descriptor 692738f8c278da5950d0d4607de2debe0bdfad64185Mike Stump info.push_back(llvm::Constant::getNullValue(Ptr8Ty)); 6934ef980984fd0e131fca3f9e6ba15e8a79cabf88cMike Stump // assert(0 && "FIXME: implement rtti ts"); 694738f8c278da5950d0d4607de2debe0bdfad64185Mike Stump // FIXME: TS 695738f8c278da5950d0d4607de2debe0bdfad64185Mike Stump info.push_back(llvm::Constant::getNullValue(Ptr8Ty)); 696738f8c278da5950d0d4607de2debe0bdfad64185Mike Stump 697738f8c278da5950d0d4607de2debe0bdfad64185Mike Stump llvm::Constant *C; 698738f8c278da5950d0d4607de2debe0bdfad64185Mike Stump llvm::ArrayType *type = llvm::ArrayType::get(Ptr8Ty, info.size()); 699738f8c278da5950d0d4607de2debe0bdfad64185Mike Stump C = llvm::ConstantArray::get(type, info); 70032f3701853a8237704065c77abc17369dd02c39bMike Stump Rtti = new llvm::GlobalVariable(getModule(), type, true, linktype, C, 701738f8c278da5950d0d4607de2debe0bdfad64185Mike Stump Name); 702cb1b5d32fd227cd791fbd0614f75b32f291a5ccaMike Stump Rtti = llvm::ConstantExpr::getBitCast(Rtti, Ptr8Ty); 703cb1b5d32fd227cd791fbd0614f75b32f291a5ccaMike Stump return Rtti; 704738f8c278da5950d0d4607de2debe0bdfad64185Mike Stump} 705738f8c278da5950d0d4607de2debe0bdfad64185Mike Stump 7067c435fa7f7666b22abbe8494c537ebc25209223dMike Stumpclass ABIBuilder { 7077c435fa7f7666b22abbe8494c537ebc25209223dMike Stump std::vector<llvm::Constant *> &methods; 7087c435fa7f7666b22abbe8494c537ebc25209223dMike Stump llvm::Type *Ptr8Ty; 70932f3701853a8237704065c77abc17369dd02c39bMike Stump const CXXRecordDecl *Class; 710b46c92dfedf02239e7c73b9a18dcf09071731793Mike Stump const ASTRecordLayout &BLayout; 71132f3701853a8237704065c77abc17369dd02c39bMike Stump llvm::Constant *rtti; 7127c435fa7f7666b22abbe8494c537ebc25209223dMike Stump llvm::LLVMContext &VMContext; 71365defe3ee7be121aef50b498e51f1d831b4a15f3Mike Stump CodeGenModule &CGM; // Per-module state. 714552b275708a25aa1d939b2b77e5419a0b4b8e6d4Mike Stump 715552b275708a25aa1d939b2b77e5419a0b4b8e6d4Mike Stump typedef CXXRecordDecl::method_iterator method_iter; 7167c435fa7f7666b22abbe8494c537ebc25209223dMike Stumppublic: 71765defe3ee7be121aef50b498e51f1d831b4a15f3Mike Stump ABIBuilder(std::vector<llvm::Constant *> &meth, 71832f3701853a8237704065c77abc17369dd02c39bMike Stump const CXXRecordDecl *c, 71965defe3ee7be121aef50b498e51f1d831b4a15f3Mike Stump CodeGenModule &cgm) 720b46c92dfedf02239e7c73b9a18dcf09071731793Mike Stump : methods(meth), Class(c), BLayout(cgm.getContext().getASTRecordLayout(c)), 721b46c92dfedf02239e7c73b9a18dcf09071731793Mike Stump rtti(cgm.GenerateRtti(c)), VMContext(cgm.getModule().getContext()), 722b46c92dfedf02239e7c73b9a18dcf09071731793Mike Stump CGM(cgm) { 7237c435fa7f7666b22abbe8494c537ebc25209223dMike Stump Ptr8Ty = llvm::PointerType::get(llvm::Type::getInt8Ty(VMContext), 0); 7247c435fa7f7666b22abbe8494c537ebc25209223dMike Stump } 72532f3701853a8237704065c77abc17369dd02c39bMike Stump 726b46c92dfedf02239e7c73b9a18dcf09071731793Mike Stump llvm::Constant *GenerateVcall(const CXXMethodDecl *MD, 727b46c92dfedf02239e7c73b9a18dcf09071731793Mike Stump const CXXRecordDecl *RD, 728b46c92dfedf02239e7c73b9a18dcf09071731793Mike Stump bool VBoundary, 729b46c92dfedf02239e7c73b9a18dcf09071731793Mike Stump bool SecondaryVirtual) { 730b46c92dfedf02239e7c73b9a18dcf09071731793Mike Stump llvm::Constant *m = 0; 731b46c92dfedf02239e7c73b9a18dcf09071731793Mike Stump 732b46c92dfedf02239e7c73b9a18dcf09071731793Mike Stump // FIXME: vcall: offset for virtual base for this function 733b46c92dfedf02239e7c73b9a18dcf09071731793Mike Stump if (SecondaryVirtual || VBoundary) 734b46c92dfedf02239e7c73b9a18dcf09071731793Mike Stump m = llvm::Constant::getNullValue(Ptr8Ty); 735b46c92dfedf02239e7c73b9a18dcf09071731793Mike Stump return m; 736b46c92dfedf02239e7c73b9a18dcf09071731793Mike Stump } 737b46c92dfedf02239e7c73b9a18dcf09071731793Mike Stump 738b46c92dfedf02239e7c73b9a18dcf09071731793Mike Stump void GenerateVcalls(const CXXRecordDecl *RD, bool VBoundary, 739b46c92dfedf02239e7c73b9a18dcf09071731793Mike Stump bool SecondaryVirtual) { 7407c435fa7f7666b22abbe8494c537ebc25209223dMike Stump llvm::Constant *m; 7417c435fa7f7666b22abbe8494c537ebc25209223dMike Stump 742552b275708a25aa1d939b2b77e5419a0b4b8e6d4Mike Stump for (method_iter mi = RD->method_begin(), 7437c435fa7f7666b22abbe8494c537ebc25209223dMike Stump me = RD->method_end(); mi != me; ++mi) { 7447c435fa7f7666b22abbe8494c537ebc25209223dMike Stump if (mi->isVirtual()) { 745b46c92dfedf02239e7c73b9a18dcf09071731793Mike Stump m = GenerateVcall(*mi, RD, VBoundary, SecondaryVirtual); 746b46c92dfedf02239e7c73b9a18dcf09071731793Mike Stump if (m) 747b46c92dfedf02239e7c73b9a18dcf09071731793Mike Stump methods.push_back(m); 7487c435fa7f7666b22abbe8494c537ebc25209223dMike Stump } 7494c3aedd3f1fff57d1906b0cdfa7a9ec81a361b2dMike Stump } 75080a0e32d60e4ff7d78f411e73f3e8dea769ed313Mike Stump } 7514c3aedd3f1fff57d1906b0cdfa7a9ec81a361b2dMike Stump 75265defe3ee7be121aef50b498e51f1d831b4a15f3Mike Stump void GenerateMethods(const CXXRecordDecl *RD) { 75365defe3ee7be121aef50b498e51f1d831b4a15f3Mike Stump llvm::Constant *m; 75465defe3ee7be121aef50b498e51f1d831b4a15f3Mike Stump 755552b275708a25aa1d939b2b77e5419a0b4b8e6d4Mike Stump for (method_iter mi = RD->method_begin(), me = RD->method_end(); mi != me; 75665defe3ee7be121aef50b498e51f1d831b4a15f3Mike Stump ++mi) { 75765defe3ee7be121aef50b498e51f1d831b4a15f3Mike Stump if (mi->isVirtual()) { 75865defe3ee7be121aef50b498e51f1d831b4a15f3Mike Stump m = CGM.GetAddrOfFunction(GlobalDecl(*mi)); 75965defe3ee7be121aef50b498e51f1d831b4a15f3Mike Stump m = llvm::ConstantExpr::getBitCast(m, Ptr8Ty); 76065defe3ee7be121aef50b498e51f1d831b4a15f3Mike Stump methods.push_back(m); 76165defe3ee7be121aef50b498e51f1d831b4a15f3Mike Stump } 762bc16aeab78748cca01a9d84fff71dd1109633ecdMike Stump } 763bc16aeab78748cca01a9d84fff71dd1109633ecdMike Stump } 764bc16aeab78748cca01a9d84fff71dd1109633ecdMike Stump 765109b13db3391face0b393c730f0326ca51d25b52Mike Stump void GenerateVtableForBase(const CXXRecordDecl *RD, 766109b13db3391face0b393c730f0326ca51d25b52Mike Stump bool forPrimary, 767b46c92dfedf02239e7c73b9a18dcf09071731793Mike Stump bool VBoundary, 768109b13db3391face0b393c730f0326ca51d25b52Mike Stump int64_t Offset, 769109b13db3391face0b393c730f0326ca51d25b52Mike Stump bool ForVirtualBase, 7704ef980984fd0e131fca3f9e6ba15e8a79cabf88cMike Stump llvm::SmallSet<const CXXRecordDecl *, 32> &IndirectPrimary) { 771109b13db3391face0b393c730f0326ca51d25b52Mike Stump llvm::Constant *m = llvm::Constant::getNullValue(Ptr8Ty); 772276b9f1d814f4f6551cc3000590759a34185d6daMike Stump 773109b13db3391face0b393c730f0326ca51d25b52Mike Stump if (RD && !RD->isDynamicClass()) 774109b13db3391face0b393c730f0326ca51d25b52Mike Stump return; 775109b13db3391face0b393c730f0326ca51d25b52Mike Stump 776109b13db3391face0b393c730f0326ca51d25b52Mike Stump const ASTRecordLayout &Layout = CGM.getContext().getASTRecordLayout(RD); 777109b13db3391face0b393c730f0326ca51d25b52Mike Stump const CXXRecordDecl *PrimaryBase = Layout.getPrimaryBase(); 778109b13db3391face0b393c730f0326ca51d25b52Mike Stump const bool PrimaryBaseWasVirtual = Layout.getPrimaryBaseWasVirtual(); 779109b13db3391face0b393c730f0326ca51d25b52Mike Stump 780b46c92dfedf02239e7c73b9a18dcf09071731793Mike Stump if (VBoundary || forPrimary || ForVirtualBase) { 781b46c92dfedf02239e7c73b9a18dcf09071731793Mike Stump // then comes the the vcall offsets for all our functions... 782b46c92dfedf02239e7c73b9a18dcf09071731793Mike Stump GenerateVcalls(RD, VBoundary, !forPrimary && ForVirtualBase); 783b46c92dfedf02239e7c73b9a18dcf09071731793Mike Stump } 784b46c92dfedf02239e7c73b9a18dcf09071731793Mike Stump 785109b13db3391face0b393c730f0326ca51d25b52Mike Stump // The virtual base offsets come first... 786109b13db3391face0b393c730f0326ca51d25b52Mike Stump // FIXME: Audit, is this right? 78709765ece710f29dcdbd66eec361d60e53bd5a4fdMike Stump if (PrimaryBase == 0 || forPrimary || !PrimaryBaseWasVirtual) { 788109b13db3391face0b393c730f0326ca51d25b52Mike Stump llvm::SmallSet<const CXXRecordDecl *, 32> SeenVBase; 789109b13db3391face0b393c730f0326ca51d25b52Mike Stump std::vector<llvm::Constant *> offsets; 790109b13db3391face0b393c730f0326ca51d25b52Mike Stump GenerateVBaseOffsets(offsets, RD, SeenVBase, Offset, Layout); 791109b13db3391face0b393c730f0326ca51d25b52Mike Stump for (std::vector<llvm::Constant *>::reverse_iterator i = offsets.rbegin(), 792109b13db3391face0b393c730f0326ca51d25b52Mike Stump e = offsets.rend(); i != e; ++i) 793109b13db3391face0b393c730f0326ca51d25b52Mike Stump methods.push_back(*i); 794276b9f1d814f4f6551cc3000590759a34185d6daMike Stump } 7954ef980984fd0e131fca3f9e6ba15e8a79cabf88cMike Stump 796109b13db3391face0b393c730f0326ca51d25b52Mike Stump bool Top = true; 79702cf1e264719b4dada4377cc8a43888cb66f8815Mike Stump 798109b13db3391face0b393c730f0326ca51d25b52Mike Stump // vtables are composed from the chain of primaries. 799109b13db3391face0b393c730f0326ca51d25b52Mike Stump if (PrimaryBase) { 800109b13db3391face0b393c730f0326ca51d25b52Mike Stump if (PrimaryBaseWasVirtual) 801109b13db3391face0b393c730f0326ca51d25b52Mike Stump IndirectPrimary.insert(PrimaryBase); 802109b13db3391face0b393c730f0326ca51d25b52Mike Stump Top = false; 803b46c92dfedf02239e7c73b9a18dcf09071731793Mike Stump GenerateVtableForBase(PrimaryBase, true, PrimaryBaseWasVirtual|VBoundary, 804b46c92dfedf02239e7c73b9a18dcf09071731793Mike Stump Offset, PrimaryBaseWasVirtual, IndirectPrimary); 805109b13db3391face0b393c730f0326ca51d25b52Mike Stump } 806276b9f1d814f4f6551cc3000590759a34185d6daMike Stump 807109b13db3391face0b393c730f0326ca51d25b52Mike Stump if (Top) { 808109b13db3391face0b393c730f0326ca51d25b52Mike Stump int64_t BaseOffset; 809109b13db3391face0b393c730f0326ca51d25b52Mike Stump if (ForVirtualBase) { 810109b13db3391face0b393c730f0326ca51d25b52Mike Stump BaseOffset = -(BLayout.getVBaseClassOffset(RD) / 8); 811109b13db3391face0b393c730f0326ca51d25b52Mike Stump } else 812109b13db3391face0b393c730f0326ca51d25b52Mike Stump BaseOffset = -Offset/8; 813109b13db3391face0b393c730f0326ca51d25b52Mike Stump m = llvm::ConstantInt::get(llvm::Type::getInt64Ty(VMContext), BaseOffset); 814109b13db3391face0b393c730f0326ca51d25b52Mike Stump m = llvm::ConstantExpr::getIntToPtr(m, Ptr8Ty); 815109b13db3391face0b393c730f0326ca51d25b52Mike Stump methods.push_back(m); 816109b13db3391face0b393c730f0326ca51d25b52Mike Stump methods.push_back(rtti); 817109b13db3391face0b393c730f0326ca51d25b52Mike Stump } 818276b9f1d814f4f6551cc3000590759a34185d6daMike Stump 819109b13db3391face0b393c730f0326ca51d25b52Mike Stump // And add the virtuals for the class to the primary vtable. 820109b13db3391face0b393c730f0326ca51d25b52Mike Stump GenerateMethods(RD); 821109b13db3391face0b393c730f0326ca51d25b52Mike Stump 822109b13db3391face0b393c730f0326ca51d25b52Mike Stump // and then the non-virtual bases. 823109b13db3391face0b393c730f0326ca51d25b52Mike Stump for (CXXRecordDecl::base_class_const_iterator i = RD->bases_begin(), 824109b13db3391face0b393c730f0326ca51d25b52Mike Stump e = RD->bases_end(); i != e; ++i) { 825109b13db3391face0b393c730f0326ca51d25b52Mike Stump if (i->isVirtual()) 826109b13db3391face0b393c730f0326ca51d25b52Mike Stump continue; 827109b13db3391face0b393c730f0326ca51d25b52Mike Stump const CXXRecordDecl *Base = 828109b13db3391face0b393c730f0326ca51d25b52Mike Stump cast<CXXRecordDecl>(i->getType()->getAs<RecordType>()->getDecl()); 829109b13db3391face0b393c730f0326ca51d25b52Mike Stump if (Base != PrimaryBase || PrimaryBaseWasVirtual) { 830109b13db3391face0b393c730f0326ca51d25b52Mike Stump uint64_t o = Offset + Layout.getBaseClassOffset(Base); 831b46c92dfedf02239e7c73b9a18dcf09071731793Mike Stump GenerateVtableForBase(Base, true, false, o, false, IndirectPrimary); 832109b13db3391face0b393c730f0326ca51d25b52Mike Stump } 833109b13db3391face0b393c730f0326ca51d25b52Mike Stump } 834276b9f1d814f4f6551cc3000590759a34185d6daMike Stump } 835276b9f1d814f4f6551cc3000590759a34185d6daMike Stump 836109b13db3391face0b393c730f0326ca51d25b52Mike Stump void GenerateVtableForVBases(const CXXRecordDecl *RD, 837109b13db3391face0b393c730f0326ca51d25b52Mike Stump const CXXRecordDecl *Class, 838109b13db3391face0b393c730f0326ca51d25b52Mike Stump llvm::SmallSet<const CXXRecordDecl *, 32> &IndirectPrimary) { 839109b13db3391face0b393c730f0326ca51d25b52Mike Stump for (CXXRecordDecl::base_class_const_iterator i = RD->bases_begin(), 840109b13db3391face0b393c730f0326ca51d25b52Mike Stump e = RD->bases_end(); i != e; ++i) { 841109b13db3391face0b393c730f0326ca51d25b52Mike Stump const CXXRecordDecl *Base = 842109b13db3391face0b393c730f0326ca51d25b52Mike Stump cast<CXXRecordDecl>(i->getType()->getAs<RecordType>()->getDecl()); 843109b13db3391face0b393c730f0326ca51d25b52Mike Stump if (i->isVirtual() && !IndirectPrimary.count(Base)) { 844109b13db3391face0b393c730f0326ca51d25b52Mike Stump // Mark it so we don't output it twice. 845109b13db3391face0b393c730f0326ca51d25b52Mike Stump IndirectPrimary.insert(Base); 846b46c92dfedf02239e7c73b9a18dcf09071731793Mike Stump GenerateVtableForBase(Base, false, true, 0, true, IndirectPrimary); 847109b13db3391face0b393c730f0326ca51d25b52Mike Stump } 848109b13db3391face0b393c730f0326ca51d25b52Mike Stump if (Base->getNumVBases()) 84932f3701853a8237704065c77abc17369dd02c39bMike Stump GenerateVtableForVBases(Base, Class, IndirectPrimary); 850109b13db3391face0b393c730f0326ca51d25b52Mike Stump } 851e1be2b16a3a24acda0b63c3dcb4ae3384fcdaf75Mike Stump } 852e1be2b16a3a24acda0b63c3dcb4ae3384fcdaf75Mike Stump 853109b13db3391face0b393c730f0326ca51d25b52Mike Stump void GenerateVBaseOffsets(std::vector<llvm::Constant *> &offsets, 854109b13db3391face0b393c730f0326ca51d25b52Mike Stump const CXXRecordDecl *RD, 855109b13db3391face0b393c730f0326ca51d25b52Mike Stump llvm::SmallSet<const CXXRecordDecl *, 32> &SeenVBase, 856109b13db3391face0b393c730f0326ca51d25b52Mike Stump uint64_t Offset, const ASTRecordLayout &BLayout) { 857109b13db3391face0b393c730f0326ca51d25b52Mike Stump for (CXXRecordDecl::base_class_const_iterator i =RD->bases_begin(), 858109b13db3391face0b393c730f0326ca51d25b52Mike Stump e = RD->bases_end(); i != e; ++i) { 859109b13db3391face0b393c730f0326ca51d25b52Mike Stump const CXXRecordDecl *Base = 860109b13db3391face0b393c730f0326ca51d25b52Mike Stump cast<CXXRecordDecl>(i->getType()->getAs<RecordType>()->getDecl()); 861109b13db3391face0b393c730f0326ca51d25b52Mike Stump if (i->isVirtual() && !SeenVBase.count(Base)) { 862109b13db3391face0b393c730f0326ca51d25b52Mike Stump SeenVBase.insert(Base); 863109b13db3391face0b393c730f0326ca51d25b52Mike Stump int64_t BaseOffset = Offset/8 + BLayout.getVBaseClassOffset(Base) / 8; 864109b13db3391face0b393c730f0326ca51d25b52Mike Stump llvm::Constant *m; 865109b13db3391face0b393c730f0326ca51d25b52Mike Stump m = llvm::ConstantInt::get(llvm::Type::getInt64Ty(VMContext), BaseOffset); 866109b13db3391face0b393c730f0326ca51d25b52Mike Stump m = llvm::ConstantExpr::getIntToPtr(m, Ptr8Ty); 867109b13db3391face0b393c730f0326ca51d25b52Mike Stump offsets.push_back(m); 868109b13db3391face0b393c730f0326ca51d25b52Mike Stump } 869109b13db3391face0b393c730f0326ca51d25b52Mike Stump GenerateVBaseOffsets(offsets, Base, SeenVBase, Offset, BLayout); 870276b9f1d814f4f6551cc3000590759a34185d6daMike Stump } 871276b9f1d814f4f6551cc3000590759a34185d6daMike Stump } 872109b13db3391face0b393c730f0326ca51d25b52Mike Stump}; 8738a12b564923a72224730a467007e61b5701e4aa7Mike Stump 874f121677b6bbbf4e4a51ee7a1120b77adf187bad4Mike Stumpllvm::Value *CodeGenFunction::GenerateVtable(const CXXRecordDecl *RD) { 875f121677b6bbbf4e4a51ee7a1120b77adf187bad4Mike Stump llvm::SmallString<256> OutName; 876f121677b6bbbf4e4a51ee7a1120b77adf187bad4Mike Stump llvm::raw_svector_ostream Out(OutName); 877f121677b6bbbf4e4a51ee7a1120b77adf187bad4Mike Stump QualType ClassTy; 878e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump ClassTy = getContext().getTagDeclType(RD); 879f121677b6bbbf4e4a51ee7a1120b77adf187bad4Mike Stump mangleCXXVtable(ClassTy, getContext(), Out); 880f121677b6bbbf4e4a51ee7a1120b77adf187bad4Mike Stump const char *Name = OutName.c_str(); 88182b56961dcb813674dbda3c5f5aaee703d55741cMike Stump llvm::GlobalVariable::LinkageTypes linktype; 88282b56961dcb813674dbda3c5f5aaee703d55741cMike Stump linktype = llvm::GlobalValue::WeakAnyLinkage; 88382b56961dcb813674dbda3c5f5aaee703d55741cMike Stump std::vector<llvm::Constant *> methods; 884276b9f1d814f4f6551cc3000590759a34185d6daMike Stump llvm::Type *Ptr8Ty=llvm::PointerType::get(llvm::Type::getInt8Ty(VMContext),0); 8856f376336138ea719e3c4757ae046a5768043b276Mike Stump int64_t Offset = 0; 886e1be2b16a3a24acda0b63c3dcb4ae3384fcdaf75Mike Stump 887e1be2b16a3a24acda0b63c3dcb4ae3384fcdaf75Mike Stump Offset += LLVMPointerWidth; 888e1be2b16a3a24acda0b63c3dcb4ae3384fcdaf75Mike Stump Offset += LLVMPointerWidth; 8896f376336138ea719e3c4757ae046a5768043b276Mike Stump 8904ffe91eae351d6ef68256ce77fc549557702d3e3Mike Stump llvm::SmallSet<const CXXRecordDecl *, 32> IndirectPrimary; 891104ffaaa05d31d0a3dc886b7b18ebb2496bc2af4Mike Stump 89232f3701853a8237704065c77abc17369dd02c39bMike Stump ABIBuilder b(methods, RD, CGM); 893109b13db3391face0b393c730f0326ca51d25b52Mike Stump 894276b9f1d814f4f6551cc3000590759a34185d6daMike Stump // First comes the vtables for all the non-virtual bases... 895b46c92dfedf02239e7c73b9a18dcf09071731793Mike Stump b.GenerateVtableForBase(RD, true, false, 0, false, IndirectPrimary); 89670101ce87ff1d73ac90e4d99a3af0ae509e5934fMike Stump 897276b9f1d814f4f6551cc3000590759a34185d6daMike Stump // then the vtables for all the virtual bases. 89832f3701853a8237704065c77abc17369dd02c39bMike Stump b.GenerateVtableForVBases(RD, RD, IndirectPrimary); 8996f376336138ea719e3c4757ae046a5768043b276Mike Stump 90082b56961dcb813674dbda3c5f5aaee703d55741cMike Stump llvm::Constant *C; 90182b56961dcb813674dbda3c5f5aaee703d55741cMike Stump llvm::ArrayType *type = llvm::ArrayType::get(Ptr8Ty, methods.size()); 90282b56961dcb813674dbda3c5f5aaee703d55741cMike Stump C = llvm::ConstantArray::get(type, methods); 90382b56961dcb813674dbda3c5f5aaee703d55741cMike Stump llvm::Value *vtable = new llvm::GlobalVariable(CGM.getModule(), type, true, 90482b56961dcb813674dbda3c5f5aaee703d55741cMike Stump linktype, C, Name); 905f121677b6bbbf4e4a51ee7a1120b77adf187bad4Mike Stump vtable = Builder.CreateBitCast(vtable, Ptr8Ty); 906f121677b6bbbf4e4a51ee7a1120b77adf187bad4Mike Stump vtable = Builder.CreateGEP(vtable, 907276b9f1d814f4f6551cc3000590759a34185d6daMike Stump llvm::ConstantInt::get(llvm::Type::getInt64Ty(VMContext), 9086f376336138ea719e3c4757ae046a5768043b276Mike Stump Offset/8)); 909f121677b6bbbf4e4a51ee7a1120b77adf187bad4Mike Stump return vtable; 910f121677b6bbbf4e4a51ee7a1120b77adf187bad4Mike Stump} 911f121677b6bbbf4e4a51ee7a1120b77adf187bad4Mike Stump 912ca28361fb0a72c50e0a400fae2fad9520e61c0a5Fariborz Jahanian/// EmitClassMemberwiseCopy - This routine generates code to copy a class 913ca28361fb0a72c50e0a400fae2fad9520e61c0a5Fariborz Jahanian/// object from SrcValue to DestValue. Copying can be either a bitwise copy 914ca28361fb0a72c50e0a400fae2fad9520e61c0a5Fariborz Jahanian/// of via a copy constructor call. 915ca28361fb0a72c50e0a400fae2fad9520e61c0a5Fariborz Jahanianvoid CodeGenFunction::EmitClassMemberwiseCopy( 916942f4f33d02dba823594bd2d7b3d317cb01c74f8Fariborz Jahanian llvm::Value *Dest, llvm::Value *Src, 917ca28361fb0a72c50e0a400fae2fad9520e61c0a5Fariborz Jahanian const CXXRecordDecl *ClassDecl, 918942f4f33d02dba823594bd2d7b3d317cb01c74f8Fariborz Jahanian const CXXRecordDecl *BaseClassDecl, QualType Ty) { 919942f4f33d02dba823594bd2d7b3d317cb01c74f8Fariborz Jahanian if (ClassDecl) { 920942f4f33d02dba823594bd2d7b3d317cb01c74f8Fariborz Jahanian Dest = AddressCXXOfBaseClass(Dest, ClassDecl, BaseClassDecl); 921942f4f33d02dba823594bd2d7b3d317cb01c74f8Fariborz Jahanian Src = AddressCXXOfBaseClass(Src, ClassDecl, BaseClassDecl) ; 922942f4f33d02dba823594bd2d7b3d317cb01c74f8Fariborz Jahanian } 923942f4f33d02dba823594bd2d7b3d317cb01c74f8Fariborz Jahanian if (BaseClassDecl->hasTrivialCopyConstructor()) { 924942f4f33d02dba823594bd2d7b3d317cb01c74f8Fariborz Jahanian EmitAggregateCopy(Dest, Src, Ty); 925ca28361fb0a72c50e0a400fae2fad9520e61c0a5Fariborz Jahanian return; 926942f4f33d02dba823594bd2d7b3d317cb01c74f8Fariborz Jahanian } 927942f4f33d02dba823594bd2d7b3d317cb01c74f8Fariborz Jahanian 928ca28361fb0a72c50e0a400fae2fad9520e61c0a5Fariborz Jahanian if (CXXConstructorDecl *BaseCopyCtor = 92980e4b9e0e87064a824d72b6ff89074206ecced58Fariborz Jahanian BaseClassDecl->getCopyConstructor(getContext(), 0)) { 930ca28361fb0a72c50e0a400fae2fad9520e61c0a5Fariborz Jahanian llvm::Value *Callee = CGM.GetAddrOfCXXConstructor(BaseCopyCtor, 931ca28361fb0a72c50e0a400fae2fad9520e61c0a5Fariborz Jahanian Ctor_Complete); 932ca28361fb0a72c50e0a400fae2fad9520e61c0a5Fariborz Jahanian CallArgList CallArgs; 933ca28361fb0a72c50e0a400fae2fad9520e61c0a5Fariborz Jahanian // Push the this (Dest) ptr. 934ca28361fb0a72c50e0a400fae2fad9520e61c0a5Fariborz Jahanian CallArgs.push_back(std::make_pair(RValue::get(Dest), 935ca28361fb0a72c50e0a400fae2fad9520e61c0a5Fariborz Jahanian BaseCopyCtor->getThisType(getContext()))); 936ca28361fb0a72c50e0a400fae2fad9520e61c0a5Fariborz Jahanian 937ca28361fb0a72c50e0a400fae2fad9520e61c0a5Fariborz Jahanian // Push the Src ptr. 938ca28361fb0a72c50e0a400fae2fad9520e61c0a5Fariborz Jahanian CallArgs.push_back(std::make_pair(RValue::get(Src), 939370c884d172329384973e452647fba0b2f5146d5Fariborz Jahanian BaseCopyCtor->getParamDecl(0)->getType())); 940ca28361fb0a72c50e0a400fae2fad9520e61c0a5Fariborz Jahanian QualType ResultType = 941ca28361fb0a72c50e0a400fae2fad9520e61c0a5Fariborz Jahanian BaseCopyCtor->getType()->getAsFunctionType()->getResultType(); 942ca28361fb0a72c50e0a400fae2fad9520e61c0a5Fariborz Jahanian EmitCall(CGM.getTypes().getFunctionInfo(ResultType, CallArgs), 943ca28361fb0a72c50e0a400fae2fad9520e61c0a5Fariborz Jahanian Callee, CallArgs, BaseCopyCtor); 944ca28361fb0a72c50e0a400fae2fad9520e61c0a5Fariborz Jahanian } 945ca28361fb0a72c50e0a400fae2fad9520e61c0a5Fariborz Jahanian} 94606f598aa45b651f9f3be0b916d43876eae747af0Fariborz Jahanian 9470270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian/// EmitClassCopyAssignment - This routine generates code to copy assign a class 9480270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian/// object from SrcValue to DestValue. Assignment can be either a bitwise 9490270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian/// assignment of via an assignment operator call. 9500270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanianvoid CodeGenFunction::EmitClassCopyAssignment( 9510270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian llvm::Value *Dest, llvm::Value *Src, 9520270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian const CXXRecordDecl *ClassDecl, 9530270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian const CXXRecordDecl *BaseClassDecl, 9540270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian QualType Ty) { 9550270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian if (ClassDecl) { 9560270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian Dest = AddressCXXOfBaseClass(Dest, ClassDecl, BaseClassDecl); 9570270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian Src = AddressCXXOfBaseClass(Src, ClassDecl, BaseClassDecl) ; 9580270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian } 9590270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian if (BaseClassDecl->hasTrivialCopyAssignment()) { 9600270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian EmitAggregateCopy(Dest, Src, Ty); 9610270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian return; 9620270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian } 9630270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian 9640270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian const CXXMethodDecl *MD = 0; 965e82c3e269f0edd6d531b93114e97573792e808e0Fariborz Jahanian bool ConstCopyAssignOp = BaseClassDecl->hasConstCopyAssignment(getContext(), 966e82c3e269f0edd6d531b93114e97573792e808e0Fariborz Jahanian MD); 967e82c3e269f0edd6d531b93114e97573792e808e0Fariborz Jahanian assert(ConstCopyAssignOp && "EmitClassCopyAssignment - missing copy assign"); 968e82c3e269f0edd6d531b93114e97573792e808e0Fariborz Jahanian (void)ConstCopyAssignOp; 969e82c3e269f0edd6d531b93114e97573792e808e0Fariborz Jahanian 970e82c3e269f0edd6d531b93114e97573792e808e0Fariborz Jahanian const FunctionProtoType *FPT = MD->getType()->getAsFunctionProtoType(); 971e82c3e269f0edd6d531b93114e97573792e808e0Fariborz Jahanian const llvm::Type *LTy = 972e82c3e269f0edd6d531b93114e97573792e808e0Fariborz Jahanian CGM.getTypes().GetFunctionType(CGM.getTypes().getFunctionInfo(MD), 973e82c3e269f0edd6d531b93114e97573792e808e0Fariborz Jahanian FPT->isVariadic()); 974e82c3e269f0edd6d531b93114e97573792e808e0Fariborz Jahanian llvm::Constant *Callee = CGM.GetAddrOfFunction(GlobalDecl(MD), LTy); 9750270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian 976e82c3e269f0edd6d531b93114e97573792e808e0Fariborz Jahanian CallArgList CallArgs; 977e82c3e269f0edd6d531b93114e97573792e808e0Fariborz Jahanian // Push the this (Dest) ptr. 978e82c3e269f0edd6d531b93114e97573792e808e0Fariborz Jahanian CallArgs.push_back(std::make_pair(RValue::get(Dest), 979e82c3e269f0edd6d531b93114e97573792e808e0Fariborz Jahanian MD->getThisType(getContext()))); 9800270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian 981e82c3e269f0edd6d531b93114e97573792e808e0Fariborz Jahanian // Push the Src ptr. 982e82c3e269f0edd6d531b93114e97573792e808e0Fariborz Jahanian CallArgs.push_back(std::make_pair(RValue::get(Src), 983e82c3e269f0edd6d531b93114e97573792e808e0Fariborz Jahanian MD->getParamDecl(0)->getType())); 984e82c3e269f0edd6d531b93114e97573792e808e0Fariborz Jahanian QualType ResultType = 985e82c3e269f0edd6d531b93114e97573792e808e0Fariborz Jahanian MD->getType()->getAsFunctionType()->getResultType(); 986e82c3e269f0edd6d531b93114e97573792e808e0Fariborz Jahanian EmitCall(CGM.getTypes().getFunctionInfo(ResultType, CallArgs), 987e82c3e269f0edd6d531b93114e97573792e808e0Fariborz Jahanian Callee, CallArgs, MD); 9880270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian} 9890270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian 99006f598aa45b651f9f3be0b916d43876eae747af0Fariborz Jahanian/// SynthesizeDefaultConstructor - synthesize a default constructor 99106f598aa45b651f9f3be0b916d43876eae747af0Fariborz Jahanianvoid 99206f598aa45b651f9f3be0b916d43876eae747af0Fariborz JahanianCodeGenFunction::SynthesizeDefaultConstructor(const CXXConstructorDecl *CD, 99306f598aa45b651f9f3be0b916d43876eae747af0Fariborz Jahanian const FunctionDecl *FD, 99406f598aa45b651f9f3be0b916d43876eae747af0Fariborz Jahanian llvm::Function *Fn, 99506f598aa45b651f9f3be0b916d43876eae747af0Fariborz Jahanian const FunctionArgList &Args) { 99606f598aa45b651f9f3be0b916d43876eae747af0Fariborz Jahanian StartFunction(FD, FD->getResultType(), Fn, Args, SourceLocation()); 99706f598aa45b651f9f3be0b916d43876eae747af0Fariborz Jahanian EmitCtorPrologue(CD); 99806f598aa45b651f9f3be0b916d43876eae747af0Fariborz Jahanian FinishFunction(); 99906f598aa45b651f9f3be0b916d43876eae747af0Fariborz Jahanian} 100006f598aa45b651f9f3be0b916d43876eae747af0Fariborz Jahanian 10018c241a2844428eb1589c7b77fc6c1888295a2045Fariborz Jahanian/// SynthesizeCXXCopyConstructor - This routine implicitly defines body of a copy 100297a937532c24a8ea44317d4fdee26d9701a1e83cFariborz Jahanian/// constructor, in accordance with section 12.8 (p7 and p8) of C++03 100397a937532c24a8ea44317d4fdee26d9701a1e83cFariborz Jahanian/// The implicitly-defined copy constructor for class X performs a memberwise 100497a937532c24a8ea44317d4fdee26d9701a1e83cFariborz Jahanian/// copy of its subobjects. The order of copying is the same as the order 100597a937532c24a8ea44317d4fdee26d9701a1e83cFariborz Jahanian/// of initialization of bases and members in a user-defined constructor 100697a937532c24a8ea44317d4fdee26d9701a1e83cFariborz Jahanian/// Each subobject is copied in the manner appropriate to its type: 100797a937532c24a8ea44317d4fdee26d9701a1e83cFariborz Jahanian/// if the subobject is of class type, the copy constructor for the class is 100897a937532c24a8ea44317d4fdee26d9701a1e83cFariborz Jahanian/// used; 100997a937532c24a8ea44317d4fdee26d9701a1e83cFariborz Jahanian/// if the subobject is an array, each element is copied, in the manner 101097a937532c24a8ea44317d4fdee26d9701a1e83cFariborz Jahanian/// appropriate to the element type; 101197a937532c24a8ea44317d4fdee26d9701a1e83cFariborz Jahanian/// if the subobject is of scalar type, the built-in assignment operator is 101297a937532c24a8ea44317d4fdee26d9701a1e83cFariborz Jahanian/// used. 101397a937532c24a8ea44317d4fdee26d9701a1e83cFariborz Jahanian/// Virtual base class subobjects shall be copied only once by the 101497a937532c24a8ea44317d4fdee26d9701a1e83cFariborz Jahanian/// implicitly-defined copy constructor 101597a937532c24a8ea44317d4fdee26d9701a1e83cFariborz Jahanian 10168c241a2844428eb1589c7b77fc6c1888295a2045Fariborz Jahanianvoid CodeGenFunction::SynthesizeCXXCopyConstructor(const CXXConstructorDecl *CD, 10178c241a2844428eb1589c7b77fc6c1888295a2045Fariborz Jahanian const FunctionDecl *FD, 10188c241a2844428eb1589c7b77fc6c1888295a2045Fariborz Jahanian llvm::Function *Fn, 1019ca28361fb0a72c50e0a400fae2fad9520e61c0a5Fariborz Jahanian const FunctionArgList &Args) { 102097a937532c24a8ea44317d4fdee26d9701a1e83cFariborz Jahanian const CXXRecordDecl *ClassDecl = cast<CXXRecordDecl>(CD->getDeclContext()); 102197a937532c24a8ea44317d4fdee26d9701a1e83cFariborz Jahanian assert(!ClassDecl->hasUserDeclaredCopyConstructor() && 10228c241a2844428eb1589c7b77fc6c1888295a2045Fariborz Jahanian "SynthesizeCXXCopyConstructor - copy constructor has definition already"); 10238c241a2844428eb1589c7b77fc6c1888295a2045Fariborz Jahanian StartFunction(FD, FD->getResultType(), Fn, Args, SourceLocation()); 102497a937532c24a8ea44317d4fdee26d9701a1e83cFariborz Jahanian 10251e4edd5474f8cb966356afa6175d658002ff819cFariborz Jahanian FunctionArgList::const_iterator i = Args.begin(); 10261e4edd5474f8cb966356afa6175d658002ff819cFariborz Jahanian const VarDecl *ThisArg = i->first; 10271e4edd5474f8cb966356afa6175d658002ff819cFariborz Jahanian llvm::Value *ThisObj = GetAddrOfLocalVar(ThisArg); 10281e4edd5474f8cb966356afa6175d658002ff819cFariborz Jahanian llvm::Value *LoadOfThis = Builder.CreateLoad(ThisObj, "this"); 10291e4edd5474f8cb966356afa6175d658002ff819cFariborz Jahanian const VarDecl *SrcArg = (i+1)->first; 10301e4edd5474f8cb966356afa6175d658002ff819cFariborz Jahanian llvm::Value *SrcObj = GetAddrOfLocalVar(SrcArg); 10311e4edd5474f8cb966356afa6175d658002ff819cFariborz Jahanian llvm::Value *LoadOfSrc = Builder.CreateLoad(SrcObj); 10321e4edd5474f8cb966356afa6175d658002ff819cFariborz Jahanian 103397a937532c24a8ea44317d4fdee26d9701a1e83cFariborz Jahanian for (CXXRecordDecl::base_class_const_iterator Base = ClassDecl->bases_begin(); 103497a937532c24a8ea44317d4fdee26d9701a1e83cFariborz Jahanian Base != ClassDecl->bases_end(); ++Base) { 103597a937532c24a8ea44317d4fdee26d9701a1e83cFariborz Jahanian // FIXME. copy constrution of virtual base NYI 103697a937532c24a8ea44317d4fdee26d9701a1e83cFariborz Jahanian if (Base->isVirtual()) 103797a937532c24a8ea44317d4fdee26d9701a1e83cFariborz Jahanian continue; 1038ca28361fb0a72c50e0a400fae2fad9520e61c0a5Fariborz Jahanian 103997a937532c24a8ea44317d4fdee26d9701a1e83cFariborz Jahanian CXXRecordDecl *BaseClassDecl 104097a937532c24a8ea44317d4fdee26d9701a1e83cFariborz Jahanian = cast<CXXRecordDecl>(Base->getType()->getAs<RecordType>()->getDecl()); 1041942f4f33d02dba823594bd2d7b3d317cb01c74f8Fariborz Jahanian EmitClassMemberwiseCopy(LoadOfThis, LoadOfSrc, ClassDecl, BaseClassDecl, 1042942f4f33d02dba823594bd2d7b3d317cb01c74f8Fariborz Jahanian Base->getType()); 104397a937532c24a8ea44317d4fdee26d9701a1e83cFariborz Jahanian } 104497a937532c24a8ea44317d4fdee26d9701a1e83cFariborz Jahanian 10451e4edd5474f8cb966356afa6175d658002ff819cFariborz Jahanian for (CXXRecordDecl::field_iterator Field = ClassDecl->field_begin(), 10461e4edd5474f8cb966356afa6175d658002ff819cFariborz Jahanian FieldEnd = ClassDecl->field_end(); 10471e4edd5474f8cb966356afa6175d658002ff819cFariborz Jahanian Field != FieldEnd; ++Field) { 10481e4edd5474f8cb966356afa6175d658002ff819cFariborz Jahanian QualType FieldType = getContext().getCanonicalType((*Field)->getType()); 10491e4edd5474f8cb966356afa6175d658002ff819cFariborz Jahanian 10501e4edd5474f8cb966356afa6175d658002ff819cFariborz Jahanian // FIXME. How about copying arrays! 10511e4edd5474f8cb966356afa6175d658002ff819cFariborz Jahanian assert(!getContext().getAsArrayType(FieldType) && 10521e4edd5474f8cb966356afa6175d658002ff819cFariborz Jahanian "FIXME. Copying arrays NYI"); 1053e64941280877d065a27e8cefd2a9038256d0e3acFariborz Jahanian 10541e4edd5474f8cb966356afa6175d658002ff819cFariborz Jahanian if (const RecordType *FieldClassType = FieldType->getAs<RecordType>()) { 10551e4edd5474f8cb966356afa6175d658002ff819cFariborz Jahanian CXXRecordDecl *FieldClassDecl 10561e4edd5474f8cb966356afa6175d658002ff819cFariborz Jahanian = cast<CXXRecordDecl>(FieldClassType->getDecl()); 10571e4edd5474f8cb966356afa6175d658002ff819cFariborz Jahanian LValue LHS = EmitLValueForField(LoadOfThis, *Field, false, 0); 10581e4edd5474f8cb966356afa6175d658002ff819cFariborz Jahanian LValue RHS = EmitLValueForField(LoadOfSrc, *Field, false, 0); 1059942f4f33d02dba823594bd2d7b3d317cb01c74f8Fariborz Jahanian 10601e4edd5474f8cb966356afa6175d658002ff819cFariborz Jahanian EmitClassMemberwiseCopy(LHS.getAddress(), RHS.getAddress(), 1061942f4f33d02dba823594bd2d7b3d317cb01c74f8Fariborz Jahanian 0 /*ClassDecl*/, FieldClassDecl, FieldType); 10621e4edd5474f8cb966356afa6175d658002ff819cFariborz Jahanian continue; 10631e4edd5474f8cb966356afa6175d658002ff819cFariborz Jahanian } 1064f05fe65e64a5de93ba6d30e1b830fd0fc36358e9Fariborz Jahanian // Do a built-in assignment of scalar data members. 1065f05fe65e64a5de93ba6d30e1b830fd0fc36358e9Fariborz Jahanian LValue LHS = EmitLValueForField(LoadOfThis, *Field, false, 0); 1066f05fe65e64a5de93ba6d30e1b830fd0fc36358e9Fariborz Jahanian LValue RHS = EmitLValueForField(LoadOfSrc, *Field, false, 0); 1067f05fe65e64a5de93ba6d30e1b830fd0fc36358e9Fariborz Jahanian RValue RVRHS = EmitLoadOfLValue(RHS, FieldType); 1068f05fe65e64a5de93ba6d30e1b830fd0fc36358e9Fariborz Jahanian EmitStoreThroughLValue(RVRHS, LHS, FieldType); 10691e4edd5474f8cb966356afa6175d658002ff819cFariborz Jahanian } 10708c241a2844428eb1589c7b77fc6c1888295a2045Fariborz Jahanian FinishFunction(); 107197a937532c24a8ea44317d4fdee26d9701a1e83cFariborz Jahanian} 107297a937532c24a8ea44317d4fdee26d9701a1e83cFariborz Jahanian 10732198ba12b73a8e6801d13f25de38031da6df46b6Fariborz Jahanian/// SynthesizeCXXCopyAssignment - Implicitly define copy assignment operator. 10742198ba12b73a8e6801d13f25de38031da6df46b6Fariborz Jahanian/// Before the implicitly-declared copy assignment operator for a class is 10752198ba12b73a8e6801d13f25de38031da6df46b6Fariborz Jahanian/// implicitly defined, all implicitly- declared copy assignment operators for 10762198ba12b73a8e6801d13f25de38031da6df46b6Fariborz Jahanian/// its direct base classes and its nonstatic data members shall have been 10772198ba12b73a8e6801d13f25de38031da6df46b6Fariborz Jahanian/// implicitly defined. [12.8-p12] 10782198ba12b73a8e6801d13f25de38031da6df46b6Fariborz Jahanian/// The implicitly-defined copy assignment operator for class X performs 10792198ba12b73a8e6801d13f25de38031da6df46b6Fariborz Jahanian/// memberwise assignment of its subob- jects. The direct base classes of X are 10802198ba12b73a8e6801d13f25de38031da6df46b6Fariborz Jahanian/// assigned first, in the order of their declaration in 10812198ba12b73a8e6801d13f25de38031da6df46b6Fariborz Jahanian/// the base-specifier-list, and then the immediate nonstatic data members of X 10822198ba12b73a8e6801d13f25de38031da6df46b6Fariborz Jahanian/// are assigned, in the order in which they were declared in the class 10832198ba12b73a8e6801d13f25de38031da6df46b6Fariborz Jahanian/// definition.Each subobject is assigned in the manner appropriate to its type: 10840270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian/// if the subobject is of class type, the copy assignment operator for the 10850270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian/// class is used (as if by explicit qualification; that is, ignoring any 10862198ba12b73a8e6801d13f25de38031da6df46b6Fariborz Jahanian/// possible virtual overriding functions in more derived classes); 10870270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian/// 10880270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian/// if the subobject is an array, each element is assigned, in the manner 10892198ba12b73a8e6801d13f25de38031da6df46b6Fariborz Jahanian/// appropriate to the element type; 10900270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian/// 10910270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian/// if the subobject is of scalar type, the built-in assignment operator is 10922198ba12b73a8e6801d13f25de38031da6df46b6Fariborz Jahanian/// used. 10932198ba12b73a8e6801d13f25de38031da6df46b6Fariborz Jahanianvoid CodeGenFunction::SynthesizeCXXCopyAssignment(const CXXMethodDecl *CD, 10942198ba12b73a8e6801d13f25de38031da6df46b6Fariborz Jahanian const FunctionDecl *FD, 10952198ba12b73a8e6801d13f25de38031da6df46b6Fariborz Jahanian llvm::Function *Fn, 10962198ba12b73a8e6801d13f25de38031da6df46b6Fariborz Jahanian const FunctionArgList &Args) { 10970270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian 10980270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian const CXXRecordDecl *ClassDecl = cast<CXXRecordDecl>(CD->getDeclContext()); 10990270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian assert(!ClassDecl->hasUserDeclaredCopyAssignment() && 11000270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian "SynthesizeCXXCopyAssignment - copy assignment has user declaration"); 11012198ba12b73a8e6801d13f25de38031da6df46b6Fariborz Jahanian StartFunction(FD, FD->getResultType(), Fn, Args, SourceLocation()); 11022198ba12b73a8e6801d13f25de38031da6df46b6Fariborz Jahanian 11030270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian FunctionArgList::const_iterator i = Args.begin(); 11040270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian const VarDecl *ThisArg = i->first; 11050270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian llvm::Value *ThisObj = GetAddrOfLocalVar(ThisArg); 11060270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian llvm::Value *LoadOfThis = Builder.CreateLoad(ThisObj, "this"); 11070270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian const VarDecl *SrcArg = (i+1)->first; 11080270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian llvm::Value *SrcObj = GetAddrOfLocalVar(SrcArg); 11090270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian llvm::Value *LoadOfSrc = Builder.CreateLoad(SrcObj); 11100270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian 11110270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian for (CXXRecordDecl::base_class_const_iterator Base = ClassDecl->bases_begin(); 11120270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian Base != ClassDecl->bases_end(); ++Base) { 11130270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian // FIXME. copy assignment of virtual base NYI 11140270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian if (Base->isVirtual()) 11150270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian continue; 11160270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian 11170270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian CXXRecordDecl *BaseClassDecl 11180270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian = cast<CXXRecordDecl>(Base->getType()->getAs<RecordType>()->getDecl()); 11190270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian EmitClassCopyAssignment(LoadOfThis, LoadOfSrc, ClassDecl, BaseClassDecl, 11200270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian Base->getType()); 11210270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian } 11220270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian 11230270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian for (CXXRecordDecl::field_iterator Field = ClassDecl->field_begin(), 11240270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian FieldEnd = ClassDecl->field_end(); 11250270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian Field != FieldEnd; ++Field) { 11260270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian QualType FieldType = getContext().getCanonicalType((*Field)->getType()); 11270270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian 11280270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian // FIXME. How about copy assignment of arrays! 11290270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian assert(!getContext().getAsArrayType(FieldType) && 11300270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian "FIXME. Copy assignment of arrays NYI"); 11310270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian 11320270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian if (const RecordType *FieldClassType = FieldType->getAs<RecordType>()) { 11330270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian CXXRecordDecl *FieldClassDecl 11340270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian = cast<CXXRecordDecl>(FieldClassType->getDecl()); 11350270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian LValue LHS = EmitLValueForField(LoadOfThis, *Field, false, 0); 11360270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian LValue RHS = EmitLValueForField(LoadOfSrc, *Field, false, 0); 11370270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian 11380270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian EmitClassCopyAssignment(LHS.getAddress(), RHS.getAddress(), 11390270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian 0 /*ClassDecl*/, FieldClassDecl, FieldType); 11400270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian continue; 11410270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian } 11420270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian // Do a built-in assignment of scalar data members. 11430270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian LValue LHS = EmitLValueForField(LoadOfThis, *Field, false, 0); 11440270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian LValue RHS = EmitLValueForField(LoadOfSrc, *Field, false, 0); 11450270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian RValue RVRHS = EmitLoadOfLValue(RHS, FieldType); 11460270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian EmitStoreThroughLValue(RVRHS, LHS, FieldType); 1147183d7181fd59842ac969cbc6fe0376f85dc63ae4Fariborz Jahanian } 1148183d7181fd59842ac969cbc6fe0376f85dc63ae4Fariborz Jahanian 1149183d7181fd59842ac969cbc6fe0376f85dc63ae4Fariborz Jahanian // return *this; 1150183d7181fd59842ac969cbc6fe0376f85dc63ae4Fariborz Jahanian Builder.CreateStore(LoadOfThis, ReturnValue); 11510270b8aa3f9b50ec3acd1abfd2b97377a3e1bb05Fariborz Jahanian 11522198ba12b73a8e6801d13f25de38031da6df46b6Fariborz Jahanian FinishFunction(); 11532198ba12b73a8e6801d13f25de38031da6df46b6Fariborz Jahanian} 115497a937532c24a8ea44317d4fdee26d9701a1e83cFariborz Jahanian 1155e7d346b6d5cee14b75e34928b3fd423f21d8d80dFariborz Jahanian/// EmitCtorPrologue - This routine generates necessary code to initialize 1156e7d346b6d5cee14b75e34928b3fd423f21d8d80dFariborz Jahanian/// base classes and non-static data members belonging to this constructor. 1157e7d346b6d5cee14b75e34928b3fd423f21d8d80dFariborz Jahanianvoid CodeGenFunction::EmitCtorPrologue(const CXXConstructorDecl *CD) { 1158742cd1b7bb86b52b23b335d47abbd842dac0e1bfFariborz Jahanian const CXXRecordDecl *ClassDecl = cast<CXXRecordDecl>(CD->getDeclContext()); 1159eb19fa948173502f47c26357c2ec41aa4be197b4Mike Stump // FIXME: Add vbase initialization 1160f121677b6bbbf4e4a51ee7a1120b77adf187bad4Mike Stump llvm::Value *LoadOfThis = 0; 11616d0bdaa68989bee60c85274e82a8f9c982587f26Fariborz Jahanian 1162742cd1b7bb86b52b23b335d47abbd842dac0e1bfFariborz Jahanian for (CXXConstructorDecl::init_const_iterator B = CD->init_begin(), 1163e7d346b6d5cee14b75e34928b3fd423f21d8d80dFariborz Jahanian E = CD->init_end(); 1164e7d346b6d5cee14b75e34928b3fd423f21d8d80dFariborz Jahanian B != E; ++B) { 1165e7d346b6d5cee14b75e34928b3fd423f21d8d80dFariborz Jahanian CXXBaseOrMemberInitializer *Member = (*B); 1166e7d346b6d5cee14b75e34928b3fd423f21d8d80dFariborz Jahanian if (Member->isBaseInitializer()) { 1167f121677b6bbbf4e4a51ee7a1120b77adf187bad4Mike Stump LoadOfThis = LoadCXXThis(); 11686d0bdaa68989bee60c85274e82a8f9c982587f26Fariborz Jahanian Type *BaseType = Member->getBaseClass(); 11696d0bdaa68989bee60c85274e82a8f9c982587f26Fariborz Jahanian CXXRecordDecl *BaseClassDecl = 11706217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek cast<CXXRecordDecl>(BaseType->getAs<RecordType>()->getDecl()); 11716d0bdaa68989bee60c85274e82a8f9c982587f26Fariborz Jahanian llvm::Value *V = AddressCXXOfBaseClass(LoadOfThis, ClassDecl, 11726d0bdaa68989bee60c85274e82a8f9c982587f26Fariborz Jahanian BaseClassDecl); 1173742cd1b7bb86b52b23b335d47abbd842dac0e1bfFariborz Jahanian EmitCXXConstructorCall(Member->getConstructor(), 1174742cd1b7bb86b52b23b335d47abbd842dac0e1bfFariborz Jahanian Ctor_Complete, V, 1175742cd1b7bb86b52b23b335d47abbd842dac0e1bfFariborz Jahanian Member->const_arg_begin(), 1176742cd1b7bb86b52b23b335d47abbd842dac0e1bfFariborz Jahanian Member->const_arg_end()); 1177b3589f44c5d295cd41de2c83f3475116835eeebdMike Stump } else { 1178e7d346b6d5cee14b75e34928b3fd423f21d8d80dFariborz Jahanian // non-static data member initilaizers. 1179e7d346b6d5cee14b75e34928b3fd423f21d8d80dFariborz Jahanian FieldDecl *Field = Member->getMember(); 1180e7d346b6d5cee14b75e34928b3fd423f21d8d80dFariborz Jahanian QualType FieldType = getContext().getCanonicalType((Field)->getType()); 1181e7d346b6d5cee14b75e34928b3fd423f21d8d80dFariborz Jahanian assert(!getContext().getAsArrayType(FieldType) 1182e7d346b6d5cee14b75e34928b3fd423f21d8d80dFariborz Jahanian && "FIXME. Field arrays initialization unsupported"); 11838c64e007d9b2f719613f7d79b0b32d2f50da9332Fariborz Jahanian 1184f121677b6bbbf4e4a51ee7a1120b77adf187bad4Mike Stump LoadOfThis = LoadCXXThis(); 1185e7d346b6d5cee14b75e34928b3fd423f21d8d80dFariborz Jahanian LValue LHS = EmitLValueForField(LoadOfThis, Field, false, 0); 11866217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (FieldType->getAs<RecordType>()) { 1187e64941280877d065a27e8cefd2a9038256d0e3acFariborz Jahanian if (!Field->isAnonymousStructOrUnion()) { 118850b8eea3f36881a988a5757e0f6e15d45900324bFariborz Jahanian assert(Member->getConstructor() && 118950b8eea3f36881a988a5757e0f6e15d45900324bFariborz Jahanian "EmitCtorPrologue - no constructor to initialize member"); 119050b8eea3f36881a988a5757e0f6e15d45900324bFariborz Jahanian EmitCXXConstructorCall(Member->getConstructor(), 119150b8eea3f36881a988a5757e0f6e15d45900324bFariborz Jahanian Ctor_Complete, LHS.getAddress(), 119250b8eea3f36881a988a5757e0f6e15d45900324bFariborz Jahanian Member->const_arg_begin(), 119350b8eea3f36881a988a5757e0f6e15d45900324bFariborz Jahanian Member->const_arg_end()); 1194e64941280877d065a27e8cefd2a9038256d0e3acFariborz Jahanian continue; 1195e64941280877d065a27e8cefd2a9038256d0e3acFariborz Jahanian } 1196e64941280877d065a27e8cefd2a9038256d0e3acFariborz Jahanian else { 1197e64941280877d065a27e8cefd2a9038256d0e3acFariborz Jahanian // Initializing an anonymous union data member. 1198e64941280877d065a27e8cefd2a9038256d0e3acFariborz Jahanian FieldDecl *anonMember = Member->getAnonUnionMember(); 1199e64941280877d065a27e8cefd2a9038256d0e3acFariborz Jahanian LHS = EmitLValueForField(LHS.getAddress(), anonMember, false, 0); 1200e64941280877d065a27e8cefd2a9038256d0e3acFariborz Jahanian FieldType = anonMember->getType(); 1201e64941280877d065a27e8cefd2a9038256d0e3acFariborz Jahanian } 120250b8eea3f36881a988a5757e0f6e15d45900324bFariborz Jahanian } 1203e7d346b6d5cee14b75e34928b3fd423f21d8d80dFariborz Jahanian 1204e7d346b6d5cee14b75e34928b3fd423f21d8d80dFariborz Jahanian assert(Member->getNumArgs() == 1 && "Initializer count must be 1 only"); 120550b8eea3f36881a988a5757e0f6e15d45900324bFariborz Jahanian Expr *RhsExpr = *Member->arg_begin(); 1206e7d346b6d5cee14b75e34928b3fd423f21d8d80dFariborz Jahanian llvm::Value *RHS = EmitScalarExpr(RhsExpr, true); 12078c64e007d9b2f719613f7d79b0b32d2f50da9332Fariborz Jahanian EmitStoreThroughLValue(RValue::get(RHS), LHS, FieldType); 1208e7d346b6d5cee14b75e34928b3fd423f21d8d80dFariborz Jahanian } 1209e7d346b6d5cee14b75e34928b3fd423f21d8d80dFariborz Jahanian } 1210f121677b6bbbf4e4a51ee7a1120b77adf187bad4Mike Stump 12110880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian if (!CD->getNumBaseOrMemberInitializers() && !CD->isTrivial()) { 12121d9b5efffaec2349f33510dee2cf2e90c3d2d6aaFariborz Jahanian // Nontrivial default constructor with no initializer list. It may still 12130880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian // have bases classes and/or contain non-static data members which require 12140880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian // construction. 12150880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian for (CXXRecordDecl::base_class_const_iterator Base = 12160880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian ClassDecl->bases_begin(); 12170880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian Base != ClassDecl->bases_end(); ++Base) { 12180880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian // FIXME. copy assignment of virtual base NYI 12190880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian if (Base->isVirtual()) 12200880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian continue; 12210880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian 12220880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian CXXRecordDecl *BaseClassDecl 12230880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian = cast<CXXRecordDecl>(Base->getType()->getAs<RecordType>()->getDecl()); 12240880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian if (BaseClassDecl->hasTrivialConstructor()) 12250880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian continue; 12260880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian if (CXXConstructorDecl *BaseCX = 12270880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian BaseClassDecl->getDefaultConstructor(getContext())) { 12280880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian LoadOfThis = LoadCXXThis(); 12290880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian llvm::Value *V = AddressCXXOfBaseClass(LoadOfThis, ClassDecl, 12300880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian BaseClassDecl); 12310880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian EmitCXXConstructorCall(BaseCX, Ctor_Complete, V, 0, 0); 12320880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian } 12330880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian } 12340880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian 12351d9b5efffaec2349f33510dee2cf2e90c3d2d6aaFariborz Jahanian for (CXXRecordDecl::field_iterator Field = ClassDecl->field_begin(), 12361d9b5efffaec2349f33510dee2cf2e90c3d2d6aaFariborz Jahanian FieldEnd = ClassDecl->field_end(); 12371d9b5efffaec2349f33510dee2cf2e90c3d2d6aaFariborz Jahanian Field != FieldEnd; ++Field) { 12381d9b5efffaec2349f33510dee2cf2e90c3d2d6aaFariborz Jahanian QualType FieldType = getContext().getCanonicalType((*Field)->getType()); 12391d9b5efffaec2349f33510dee2cf2e90c3d2d6aaFariborz Jahanian if (!FieldType->getAs<RecordType>() || Field->isAnonymousStructOrUnion()) 12401d9b5efffaec2349f33510dee2cf2e90c3d2d6aaFariborz Jahanian continue; 12411d9b5efffaec2349f33510dee2cf2e90c3d2d6aaFariborz Jahanian const RecordType *ClassRec = FieldType->getAs<RecordType>(); 12420880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian CXXRecordDecl *MemberClassDecl = 12430880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian dyn_cast<CXXRecordDecl>(ClassRec->getDecl()); 12440880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian if (!MemberClassDecl || MemberClassDecl->hasTrivialConstructor()) 12450880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian continue; 12460880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian if (CXXConstructorDecl *MamberCX = 12470880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian MemberClassDecl->getDefaultConstructor(getContext())) { 12480880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian LoadOfThis = LoadCXXThis(); 12490880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian LValue LHS = EmitLValueForField(LoadOfThis, *Field, false, 0); 12500880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian EmitCXXConstructorCall(MamberCX, Ctor_Complete, LHS.getAddress(), 0, 0); 12511d9b5efffaec2349f33510dee2cf2e90c3d2d6aaFariborz Jahanian } 12521d9b5efffaec2349f33510dee2cf2e90c3d2d6aaFariborz Jahanian } 12530880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian } 12540880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian 1255f121677b6bbbf4e4a51ee7a1120b77adf187bad4Mike Stump // Initialize the vtable pointer 1256b502d839994cc3828573bd9ea472418e3536f415Mike Stump if (ClassDecl->isDynamicClass()) { 1257f121677b6bbbf4e4a51ee7a1120b77adf187bad4Mike Stump if (!LoadOfThis) 1258f121677b6bbbf4e4a51ee7a1120b77adf187bad4Mike Stump LoadOfThis = LoadCXXThis(); 1259f121677b6bbbf4e4a51ee7a1120b77adf187bad4Mike Stump llvm::Value *VtableField; 1260f121677b6bbbf4e4a51ee7a1120b77adf187bad4Mike Stump llvm::Type *Ptr8Ty, *PtrPtr8Ty; 12610032b2781b4deb131f8c9b7968f2030bf2489cddOwen Anderson Ptr8Ty = llvm::PointerType::get(llvm::Type::getInt8Ty(VMContext), 0); 1262f121677b6bbbf4e4a51ee7a1120b77adf187bad4Mike Stump PtrPtr8Ty = llvm::PointerType::get(Ptr8Ty, 0); 1263f121677b6bbbf4e4a51ee7a1120b77adf187bad4Mike Stump VtableField = Builder.CreateBitCast(LoadOfThis, PtrPtr8Ty); 1264f121677b6bbbf4e4a51ee7a1120b77adf187bad4Mike Stump llvm::Value *vtable = GenerateVtable(ClassDecl); 1265f121677b6bbbf4e4a51ee7a1120b77adf187bad4Mike Stump Builder.CreateStore(vtable, VtableField); 1266f121677b6bbbf4e4a51ee7a1120b77adf187bad4Mike Stump } 1267e7d346b6d5cee14b75e34928b3fd423f21d8d80dFariborz Jahanian} 1268426cc3828ce07a2cff15c9837f5958e6fc4b7739Fariborz Jahanian 1269426cc3828ce07a2cff15c9837f5958e6fc4b7739Fariborz Jahanian/// EmitDtorEpilogue - Emit all code that comes at the end of class's 1270426cc3828ce07a2cff15c9837f5958e6fc4b7739Fariborz Jahanian/// destructor. This is to call destructors on members and base classes 1271426cc3828ce07a2cff15c9837f5958e6fc4b7739Fariborz Jahanian/// in reverse order of their construction. 1272426cc3828ce07a2cff15c9837f5958e6fc4b7739Fariborz Jahanianvoid CodeGenFunction::EmitDtorEpilogue(const CXXDestructorDecl *DD) { 1273426cc3828ce07a2cff15c9837f5958e6fc4b7739Fariborz Jahanian const CXXRecordDecl *ClassDecl = cast<CXXRecordDecl>(DD->getDeclContext()); 1274426cc3828ce07a2cff15c9837f5958e6fc4b7739Fariborz Jahanian assert(!ClassDecl->isPolymorphic() && 1275426cc3828ce07a2cff15c9837f5958e6fc4b7739Fariborz Jahanian "FIXME. polymorphic destruction not supported"); 1276426cc3828ce07a2cff15c9837f5958e6fc4b7739Fariborz Jahanian (void)ClassDecl; // prevent warning. 1277426cc3828ce07a2cff15c9837f5958e6fc4b7739Fariborz Jahanian 1278426cc3828ce07a2cff15c9837f5958e6fc4b7739Fariborz Jahanian for (CXXDestructorDecl::destr_const_iterator *B = DD->destr_begin(), 1279426cc3828ce07a2cff15c9837f5958e6fc4b7739Fariborz Jahanian *E = DD->destr_end(); B != E; ++B) { 1280426cc3828ce07a2cff15c9837f5958e6fc4b7739Fariborz Jahanian uintptr_t BaseOrMember = (*B); 1281426cc3828ce07a2cff15c9837f5958e6fc4b7739Fariborz Jahanian if (DD->isMemberToDestroy(BaseOrMember)) { 1282426cc3828ce07a2cff15c9837f5958e6fc4b7739Fariborz Jahanian FieldDecl *FD = DD->getMemberToDestroy(BaseOrMember); 1283426cc3828ce07a2cff15c9837f5958e6fc4b7739Fariborz Jahanian QualType FieldType = getContext().getCanonicalType((FD)->getType()); 1284426cc3828ce07a2cff15c9837f5958e6fc4b7739Fariborz Jahanian assert(!getContext().getAsArrayType(FieldType) 1285426cc3828ce07a2cff15c9837f5958e6fc4b7739Fariborz Jahanian && "FIXME. Field arrays destruction unsupported"); 1286426cc3828ce07a2cff15c9837f5958e6fc4b7739Fariborz Jahanian const RecordType *RT = FieldType->getAs<RecordType>(); 1287426cc3828ce07a2cff15c9837f5958e6fc4b7739Fariborz Jahanian CXXRecordDecl *FieldClassDecl = cast<CXXRecordDecl>(RT->getDecl()); 1288426cc3828ce07a2cff15c9837f5958e6fc4b7739Fariborz Jahanian if (FieldClassDecl->hasTrivialDestructor()) 1289426cc3828ce07a2cff15c9837f5958e6fc4b7739Fariborz Jahanian continue; 1290426cc3828ce07a2cff15c9837f5958e6fc4b7739Fariborz Jahanian llvm::Value *LoadOfThis = LoadCXXThis(); 1291426cc3828ce07a2cff15c9837f5958e6fc4b7739Fariborz Jahanian LValue LHS = EmitLValueForField(LoadOfThis, FD, false, 0); 1292426cc3828ce07a2cff15c9837f5958e6fc4b7739Fariborz Jahanian EmitCXXDestructorCall(FieldClassDecl->getDestructor(getContext()), 1293426cc3828ce07a2cff15c9837f5958e6fc4b7739Fariborz Jahanian Dtor_Complete, LHS.getAddress()); 1294b3589f44c5d295cd41de2c83f3475116835eeebdMike Stump } else { 1295426cc3828ce07a2cff15c9837f5958e6fc4b7739Fariborz Jahanian const RecordType *RT = 1296426cc3828ce07a2cff15c9837f5958e6fc4b7739Fariborz Jahanian DD->getAnyBaseClassToDestroy(BaseOrMember)->getAs<RecordType>(); 1297426cc3828ce07a2cff15c9837f5958e6fc4b7739Fariborz Jahanian CXXRecordDecl *BaseClassDecl = cast<CXXRecordDecl>(RT->getDecl()); 1298426cc3828ce07a2cff15c9837f5958e6fc4b7739Fariborz Jahanian if (BaseClassDecl->hasTrivialDestructor()) 1299426cc3828ce07a2cff15c9837f5958e6fc4b7739Fariborz Jahanian continue; 1300426cc3828ce07a2cff15c9837f5958e6fc4b7739Fariborz Jahanian llvm::Value *V = AddressCXXOfBaseClass(LoadCXXThis(), 1301426cc3828ce07a2cff15c9837f5958e6fc4b7739Fariborz Jahanian ClassDecl,BaseClassDecl); 1302426cc3828ce07a2cff15c9837f5958e6fc4b7739Fariborz Jahanian EmitCXXDestructorCall(BaseClassDecl->getDestructor(getContext()), 1303426cc3828ce07a2cff15c9837f5958e6fc4b7739Fariborz Jahanian Dtor_Complete, V); 1304426cc3828ce07a2cff15c9837f5958e6fc4b7739Fariborz Jahanian } 1305426cc3828ce07a2cff15c9837f5958e6fc4b7739Fariborz Jahanian } 13060880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian if (DD->getNumBaseOrMemberDestructions() || DD->isTrivial()) 13070880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian return; 13080880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian // Case of destructor synthesis with fields and base classes 13090880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian // which have non-trivial destructors. They must be destructed in 13100880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian // reverse order of their construction. 13110880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian llvm::SmallVector<FieldDecl *, 16> DestructedFields; 13120880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian 13130880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian for (CXXRecordDecl::field_iterator Field = ClassDecl->field_begin(), 13140880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian FieldEnd = ClassDecl->field_end(); 13150880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian Field != FieldEnd; ++Field) { 13160880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian QualType FieldType = getContext().getCanonicalType((*Field)->getType()); 13170880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian // FIXME. Assert on arrays for now. 13180880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian if (const RecordType *RT = FieldType->getAs<RecordType>()) { 13190880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian CXXRecordDecl *FieldClassDecl = cast<CXXRecordDecl>(RT->getDecl()); 13200880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian if (FieldClassDecl->hasTrivialDestructor()) 13210880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian continue; 13220880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian DestructedFields.push_back(*Field); 13230880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian } 13240880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian } 13250880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian if (!DestructedFields.empty()) 13260880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian for (int i = DestructedFields.size() -1; i >= 0; --i) { 13270880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian FieldDecl *Field = DestructedFields[i]; 13280880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian QualType FieldType = Field->getType(); 13290880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian const RecordType *RT = FieldType->getAs<RecordType>(); 13300880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian CXXRecordDecl *FieldClassDecl = cast<CXXRecordDecl>(RT->getDecl()); 13310880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian llvm::Value *LoadOfThis = LoadCXXThis(); 13320880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian LValue LHS = EmitLValueForField(LoadOfThis, Field, false, 0); 13330880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian EmitCXXDestructorCall(FieldClassDecl->getDestructor(getContext()), 13340880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian Dtor_Complete, LHS.getAddress()); 13350880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian } 13360880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian 13370880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian llvm::SmallVector<CXXRecordDecl*, 4> DestructedBases; 13380880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian for (CXXRecordDecl::base_class_const_iterator Base = ClassDecl->bases_begin(); 13390880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian Base != ClassDecl->bases_end(); ++Base) { 13400880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian // FIXME. copy assignment of virtual base NYI 13410880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian if (Base->isVirtual()) 13420880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian continue; 13430880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian 13440880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian CXXRecordDecl *BaseClassDecl 13450880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian = cast<CXXRecordDecl>(Base->getType()->getAs<RecordType>()->getDecl()); 13460880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian if (BaseClassDecl->hasTrivialDestructor()) 13470880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian continue; 13480880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian DestructedBases.push_back(BaseClassDecl); 13490880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian } 13500880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian if (DestructedBases.empty()) 13510880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian return; 13520880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian for (int i = DestructedBases.size() -1; i >= 0; --i) { 13530880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian CXXRecordDecl *BaseClassDecl = DestructedBases[i]; 13540880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian llvm::Value *V = AddressCXXOfBaseClass(LoadCXXThis(), 13550880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian ClassDecl,BaseClassDecl); 13560880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian EmitCXXDestructorCall(BaseClassDecl->getDestructor(getContext()), 13570880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian Dtor_Complete, V); 13580880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian } 1359426cc3828ce07a2cff15c9837f5958e6fc4b7739Fariborz Jahanian} 13600880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian 13610880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanianvoid CodeGenFunction::SynthesizeDefaultDestructor(const CXXDestructorDecl *CD, 13620880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian const FunctionDecl *FD, 13630880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian llvm::Function *Fn, 13640880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian const FunctionArgList &Args) { 13650880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian 13660880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian const CXXRecordDecl *ClassDecl = cast<CXXRecordDecl>(CD->getDeclContext()); 13670880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian assert(!ClassDecl->hasUserDeclaredDestructor() && 13680880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian "SynthesizeDefaultDestructor - destructor has user declaration"); 13690880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian (void) ClassDecl; 13700880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian 13710880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian StartFunction(FD, FD->getResultType(), Fn, Args, SourceLocation()); 13720880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian EmitDtorEpilogue(CD); 13730880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian FinishFunction(); 13740880bacf8fdb7de9d9c5b53b81ea0e53afccafb5Fariborz Jahanian} 1375