1 //===-- CTargetMachine.h - TargetMachine for the C backend ------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file was developed by the LLVM research group and is distributed under
6 // the University of Illinois Open Source License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file declares the TargetMachine that is used by the C backend.
12 //===----------------------------------------------------------------------===//
14 #ifndef CTARGETMACHINE_H
15 #define CTARGETMACHINE_H
17 #include "llvm/Target/TargetMachine.h"
18 #include "llvm/Target/TargetData.h"
22 struct CTargetMachine : public TargetMachine {
23 const TargetData DataLayout; // Calculates type size & alignment
25 CTargetMachine(const Module &M, const std::string &FS)
26 : TargetMachine("CBackend", M), DataLayout(&M) {}
28 // This is the only thing that actually does anything here.
29 virtual bool addPassesToEmitFile(PassManager &PM, std::ostream &Out,
30 CodeGenFileType FileType, bool Fast);
32 // This class always works, but shouldn't be the default in most cases.
33 static unsigned getModuleMatchQuality(const Module &M) { return 1; }
35 virtual const TargetData *getTargetData() const { return &DataLayout; }
38 } // End llvm namespace