1//==--- CodeGenABITypes.cpp - Convert Clang types to LLVM types for ABI ----==//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// CodeGenABITypes is a simple interface for getting LLVM types for
11// the parameters and the return value of a function given the Clang
12// types.
13//
14// The class is implemented as a public wrapper around the private
15// CodeGenTypes class in lib/CodeGen.
16//
17//===----------------------------------------------------------------------===//
18
19#include "clang/CodeGen/CodeGenABITypes.h"
20#include "CodeGenModule.h"
21#include "clang/CodeGen/CGFunctionInfo.h"
22#include "clang/Frontend/CodeGenOptions.h"
23#include "clang/Lex/HeaderSearchOptions.h"
24#include "clang/Lex/PreprocessorOptions.h"
25
26using namespace clang;
27using namespace CodeGen;
28
29CodeGenABITypes::CodeGenABITypes(ASTContext &C, llvm::Module &M,
30                                 CoverageSourceInfo *CoverageInfo)
31    : CGO(new CodeGenOptions), HSO(new HeaderSearchOptions),
32      PPO(new PreprocessorOptions),
33      CGM(new CodeGen::CodeGenModule(C, *HSO, *PPO, *CGO, M, C.getDiagnostics(),
34                                     CoverageInfo)) {}
35
36// Explicitly out-of-line because ~CodeGenModule() is private but
37// CodeGenABITypes.h is part of clang's API.
38CodeGenABITypes::~CodeGenABITypes() = default;
39
40const CGFunctionInfo &
41CodeGenABITypes::arrangeObjCMessageSendSignature(const ObjCMethodDecl *MD,
42                                                 QualType receiverType) {
43  return CGM->getTypes().arrangeObjCMessageSendSignature(MD, receiverType);
44}
45
46const CGFunctionInfo &
47CodeGenABITypes::arrangeFreeFunctionType(CanQual<FunctionProtoType> Ty,
48                                         const FunctionDecl *FD) {
49  return CGM->getTypes().arrangeFreeFunctionType(Ty, FD);
50}
51
52const CGFunctionInfo &
53CodeGenABITypes::arrangeFreeFunctionType(CanQual<FunctionNoProtoType> Ty) {
54  return CGM->getTypes().arrangeFreeFunctionType(Ty);
55}
56
57const CGFunctionInfo &
58CodeGenABITypes::arrangeCXXMethodType(const CXXRecordDecl *RD,
59                                      const FunctionProtoType *FTP,
60                                      const CXXMethodDecl *MD) {
61  return CGM->getTypes().arrangeCXXMethodType(RD, FTP, MD);
62}
63
64const CGFunctionInfo &CodeGenABITypes::arrangeFreeFunctionCall(
65    CanQualType returnType, ArrayRef<CanQualType> argTypes,
66    FunctionType::ExtInfo info, RequiredArgs args) {
67  return CGM->getTypes().arrangeLLVMFunctionInfo(
68      returnType, /*IsInstanceMethod=*/false, /*IsChainCall=*/false, argTypes,
69      info, args);
70}
71