Coverage Report

Created: 2020-11-28 09:00

/Users/buildslave/jenkins/workspace/coverage/llvm-project/clang/lib/CodeGen/CodeGenABITypes.cpp
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//==--- CodeGenABITypes.cpp - Convert Clang types to LLVM types for ABI ----==//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// CodeGenABITypes is a simple interface for getting LLVM types for
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// the parameters and the return value of a function given the Clang
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// types.
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//
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// The class is implemented as a public wrapper around the private
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// CodeGenTypes class in lib/CodeGen.
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//
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//===----------------------------------------------------------------------===//
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#include "clang/CodeGen/CodeGenABITypes.h"
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#include "CGCXXABI.h"
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#include "CGRecordLayout.h"
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#include "CodeGenFunction.h"
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#include "CodeGenModule.h"
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#include "clang/CodeGen/CGFunctionInfo.h"
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#include "clang/Lex/HeaderSearchOptions.h"
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#include "clang/Lex/PreprocessorOptions.h"
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using namespace clang;
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using namespace CodeGen;
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void CodeGen::addDefaultFunctionDefinitionAttributes(CodeGenModule &CGM,
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                                                     llvm::AttrBuilder &attrs) {
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  CGM.addDefaultFunctionDefinitionAttributes(attrs);
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}
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const CGFunctionInfo &
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CodeGen::arrangeObjCMessageSendSignature(CodeGenModule &CGM,
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                                         const ObjCMethodDecl *MD,
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                                         QualType receiverType) {
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  return CGM.getTypes().arrangeObjCMessageSendSignature(MD, receiverType);
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}
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const CGFunctionInfo &
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CodeGen::arrangeFreeFunctionType(CodeGenModule &CGM,
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                                 CanQual<FunctionProtoType> Ty) {
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  return CGM.getTypes().arrangeFreeFunctionType(Ty);
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}
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const CGFunctionInfo &
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CodeGen::arrangeFreeFunctionType(CodeGenModule &CGM,
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                                 CanQual<FunctionNoProtoType> Ty) {
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  return CGM.getTypes().arrangeFreeFunctionType(Ty);
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}
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const CGFunctionInfo &
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CodeGen::arrangeCXXMethodType(CodeGenModule &CGM,
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                              const CXXRecordDecl *RD,
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                              const FunctionProtoType *FTP,
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                              const CXXMethodDecl *MD) {
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  return CGM.getTypes().arrangeCXXMethodType(RD, FTP, MD);
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}
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const CGFunctionInfo &
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CodeGen::arrangeFreeFunctionCall(CodeGenModule &CGM,
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                                 CanQualType returnType,
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                                 ArrayRef<CanQualType> argTypes,
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                                 FunctionType::ExtInfo info,
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                                 RequiredArgs args) {
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  return CGM.getTypes().arrangeLLVMFunctionInfo(
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      returnType, /*instanceMethod=*/false, /*chainCall=*/false, argTypes,
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      info, {}, args);
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}
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ImplicitCXXConstructorArgs
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CodeGen::getImplicitCXXConstructorArgs(CodeGenModule &CGM,
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                                       const CXXConstructorDecl *D) {
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  // We have to create a dummy CodeGenFunction here to pass to
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  // getImplicitConstructorArgs(). In some cases (base and delegating
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  // constructor calls), getImplicitConstructorArgs() can reach into the
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  // CodeGenFunction to find parameters of the calling constructor to pass on to
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  // the called constructor, but that can't happen here because we're asking for
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  // the args for a complete, non-delegating constructor call.
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  CodeGenFunction CGF(CGM, /* suppressNewContext= */ true);
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  CGCXXABI::AddedStructorArgs addedArgs =
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      CGM.getCXXABI().getImplicitConstructorArgs(CGF, D, Ctor_Complete,
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                                                 /* ForVirtualBase= */ false,
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                                                 /* Delegating= */ false);
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  ImplicitCXXConstructorArgs implicitArgs;
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  for (const auto &arg : addedArgs.Prefix) {
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    implicitArgs.Prefix.push_back(arg.Value);
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  }
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  for (const auto &arg : addedArgs.Suffix) {
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    implicitArgs.Suffix.push_back(arg.Value);
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  }
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  return implicitArgs;
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}
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llvm::FunctionType *
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CodeGen::convertFreeFunctionType(CodeGenModule &CGM, const FunctionDecl *FD) {
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  assert(FD != nullptr && "Expected a non-null function declaration!");
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  llvm::Type *T = CGM.getTypes().ConvertType(FD->getType());
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  if (auto FT = dyn_cast<llvm::FunctionType>(T))
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    return FT;
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  return nullptr;
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}
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llvm::Type *
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CodeGen::convertTypeForMemory(CodeGenModule &CGM, QualType T) {
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  return CGM.getTypes().ConvertTypeForMem(T);
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}
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unsigned CodeGen::getLLVMFieldNumber(CodeGenModule &CGM,
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                                     const RecordDecl *RD,
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                                     const FieldDecl *FD) {
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  return CGM.getTypes().getCGRecordLayout(RD).getLLVMFieldNo(FD);
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}
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llvm::Value *CodeGen::getCXXDestructorImplicitParam(
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    CodeGenModule &CGM, llvm::BasicBlock *InsertBlock,
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    llvm::BasicBlock::iterator InsertPoint, const CXXDestructorDecl *D,
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    CXXDtorType Type, bool ForVirtualBase, bool Delegating) {
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  CodeGenFunction CGF(CGM, /*suppressNewContext=*/true);
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  CGF.CurCodeDecl = D;
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  CGF.CurFuncDecl = D;
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  CGF.CurFn = InsertBlock->getParent();
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  CGF.Builder.SetInsertPoint(InsertBlock, InsertPoint);
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  return CGM.getCXXABI().getCXXDestructorImplicitParam(
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      CGF, D, Type, ForVirtualBase, Delegating);
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}