llvm/clang/lib/CodeGen/CGCXX.cpp

//===--- CGCXX.cpp - Emit LLVM Code for declarations ----------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This contains code dealing with C++ code generation.
//
//===----------------------------------------------------------------------===//

// We might split this into multiple files if it gets too unwieldy

#include "CGCXXABI.h"
#include "CodeGenFunction.h"
#include "CodeGenModule.h"
#include "clang/AST/ASTContext.h"
#include "clang/AST/Attr.h"
#include "clang/AST/Decl.h"
#include "clang/AST/DeclCXX.h"
#include "clang/AST/DeclObjC.h"
#include "clang/AST/Mangle.h"
#include "clang/AST/RecordLayout.h"
#include "clang/AST/StmtCXX.h"
#include "clang/Basic/CodeGenOptions.h"
#include "llvm/ADT/StringExtras.h"
usingnamespaceclang;
usingnamespaceCodeGen;


/// Try to emit a base destructor as an alias to its primary
/// base-class destructor.
bool CodeGenModule::TryEmitBaseDestructorAsAlias(const CXXDestructorDecl *D) { … }

llvm::Function *CodeGenModule::codegenCXXStructor(GlobalDecl GD) { … }

llvm::FunctionCallee CodeGenModule::getAddrAndTypeOfCXXStructor(
    GlobalDecl GD, const CGFunctionInfo *FnInfo, llvm::FunctionType *FnType,
    bool DontDefer, ForDefinition_t IsForDefinition) { … }

static CGCallee BuildAppleKextVirtualCall(CodeGenFunction &CGF,
                                          GlobalDecl GD,
                                          llvm::Type *Ty,
                                          const CXXRecordDecl *RD) { … }

/// BuildAppleKextVirtualCall - This routine is to support gcc's kext ABI making
/// indirect call to virtual functions. It makes the call through indexing
/// into the vtable.
CGCallee
CodeGenFunction::BuildAppleKextVirtualCall(const CXXMethodDecl *MD,
                                           NestedNameSpecifier *Qual,
                                           llvm::Type *Ty) { … }

/// BuildVirtualCall - This routine makes indirect vtable call for
/// call to virtual destructors. It returns 0 if it could not do it.
CGCallee
CodeGenFunction::BuildAppleKextVirtualDestructorCall(
                                            const CXXDestructorDecl *DD,
                                            CXXDtorType Type,
                                            const CXXRecordDecl *RD) { … }