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//==---- CodeGenABITypes.h - Convert Clang types to LLVM types for ABI -----==//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// CodeGenABITypes is a simple interface for getting LLVM types for
// the parameters and the return value of a function given the Clang
// types.
//
// The class is implemented as a public wrapper around the private
// CodeGenTypes class in lib/CodeGen.
//
// It allows other clients, like LLDB, to determine the LLVM types that are
// actually used in function calls, which makes it possible to then determine
// the acutal ABI locations (e.g. registers, stack locations, etc.) that
// these parameters are stored in.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_CODEGEN_ABITYPES_H
#define LLVM_CLANG_CODEGEN_ABITYPES_H
#include "clang/AST/CanonicalType.h"
#include "clang/AST/Type.h"
#include "clang/CodeGen/CGFunctionInfo.h"
namespace llvm {
class DataLayout;
class Module;
}
namespace clang {
class ASTContext;
class CXXRecordDecl;
class CodeGenOptions;
class DiagnosticsEngine;
class ObjCMethodDecl;
namespace CodeGen {
class CGFunctionInfo;
class CodeGenModule;
class CodeGenABITypes
{
public:
CodeGenABITypes(ASTContext &C, const CodeGenOptions &CodeGenOpts,
llvm::Module &M, const llvm::DataLayout &TD,
DiagnosticsEngine &Diags);
~CodeGenABITypes();
/// These methods all forward to methods in the private implementation class
/// CodeGenTypes.
const CGFunctionInfo &arrangeObjCMessageSendSignature(
const ObjCMethodDecl *MD,
QualType receiverType);
const CGFunctionInfo &arrangeFreeFunctionType(
CanQual<FunctionProtoType> Ty);
const CGFunctionInfo &arrangeFreeFunctionType(
CanQual<FunctionNoProtoType> Ty);
const CGFunctionInfo &arrangeCXXMethodType(const CXXRecordDecl *RD,
const FunctionProtoType *FTP);
const CGFunctionInfo &arrangeLLVMFunctionInfo(CanQualType returnType,
llvm::ArrayRef<CanQualType> argTypes,
FunctionType::ExtInfo info,
RequiredArgs args);
private:
CodeGen::CodeGenModule *CGM;
};
} // end namespace CodeGen
} // end namespace clang
#endif
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