1 //==---- CodeGenABITypes.h - 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 // It allows other clients, like LLDB, to determine the LLVM types that are 18 // actually used in function calls, which makes it possible to then determine 19 // the acutal ABI locations (e.g. registers, stack locations, etc.) that 20 // these parameters are stored in. 21 // 22 //===----------------------------------------------------------------------===// 23 24 #ifndef LLVM_CLANG_CODEGEN_CODEGENABITYPES_H 25 #define LLVM_CLANG_CODEGEN_CODEGENABITYPES_H 26 27 #include "clang/AST/CanonicalType.h" 28 #include "clang/AST/Type.h" 29 #include "clang/CodeGen/CGFunctionInfo.h" 30 31 namespace llvm { 32 class DataLayout; 33 class Module; 34 } 35 36 namespace clang { 37 class ASTContext; 38 class CXXRecordDecl; 39 class CXXMethodDecl; 40 class CodeGenOptions; 41 class CoverageSourceInfo; 42 class DiagnosticsEngine; 43 class HeaderSearchOptions; 44 class ObjCMethodDecl; 45 class PreprocessorOptions; 46 47 namespace CodeGen { 48 class CGFunctionInfo; 49 class CodeGenModule; 50 51 const CGFunctionInfo &arrangeObjCMessageSendSignature(CodeGenModule &CGM, 52 const ObjCMethodDecl *MD, 53 QualType receiverType); 54 55 const CGFunctionInfo &arrangeFreeFunctionType(CodeGenModule &CGM, 56 CanQual<FunctionProtoType> Ty, 57 const FunctionDecl *FD); 58 59 const CGFunctionInfo &arrangeFreeFunctionType(CodeGenModule &CGM, 60 CanQual<FunctionNoProtoType> Ty); 61 62 const CGFunctionInfo &arrangeCXXMethodType(CodeGenModule &CGM, 63 const CXXRecordDecl *RD, 64 const FunctionProtoType *FTP, 65 const CXXMethodDecl *MD); 66 67 const CGFunctionInfo &arrangeFreeFunctionCall(CodeGenModule &CGM, 68 CanQualType returnType, 69 ArrayRef<CanQualType> argTypes, 70 FunctionType::ExtInfo info, 71 RequiredArgs args); 72 73 } // end namespace CodeGen 74 } // end namespace clang 75 76 #endif 77