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 
24 using namespace clang;
25 using namespace CodeGen;
26 
27 CodeGenABITypes::CodeGenABITypes(ASTContext &C,
28                                  llvm::Module &M,
29                                  const llvm::DataLayout &TD,
30                                  CoverageSourceInfo *CoverageInfo)
31   : CGO(new CodeGenOptions),
32     CGM(new CodeGen::CodeGenModule(C, *CGO, M, TD, C.getDiagnostics(),
33                                    CoverageInfo)) {
34 }
35 
36 CodeGenABITypes::~CodeGenABITypes()
37 {
38   delete CGO;
39   delete CGM;
40 }
41 
42 const CGFunctionInfo &
43 CodeGenABITypes::arrangeObjCMessageSendSignature(const ObjCMethodDecl *MD,
44                                                  QualType receiverType) {
45   return CGM->getTypes().arrangeObjCMessageSendSignature(MD, receiverType);
46 }
47 
48 const CGFunctionInfo &
49 CodeGenABITypes::arrangeFreeFunctionType(CanQual<FunctionProtoType> Ty) {
50   return CGM->getTypes().arrangeFreeFunctionType(Ty);
51 }
52 
53 const CGFunctionInfo &
54 CodeGenABITypes::arrangeFreeFunctionType(CanQual<FunctionNoProtoType> Ty) {
55   return CGM->getTypes().arrangeFreeFunctionType(Ty);
56 }
57 
58 const CGFunctionInfo &
59 CodeGenABITypes::arrangeCXXMethodType(const CXXRecordDecl *RD,
60                                       const FunctionProtoType *FTP) {
61   return CGM->getTypes().arrangeCXXMethodType(RD, FTP);
62 }
63 
64 const CGFunctionInfo &
65 CodeGenABITypes::arrangeFreeFunctionCall(CanQualType returnType,
66                                          ArrayRef<CanQualType> argTypes,
67                                          FunctionType::ExtInfo info,
68                                          RequiredArgs args) {
69   return CGM->getTypes().arrangeLLVMFunctionInfo(
70       returnType, /*IsInstanceMethod=*/false, argTypes, info, args);
71 }
72