CPPTargetMachine.h revision cb3718832375a581c5ea23f15918f3ea447a446c 
1//===-- CPPTargetMachine.h - TargetMachine for the C++ backend --*- C++ -*-===//
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// This file declares the TargetMachine that is used by the C++ backend.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef CPPTARGETMACHINE_H
15#define CPPTARGETMACHINE_H
16
17#include "llvm/Target/TargetMachine.h"
18#include "llvm/Target/TargetData.h"
19
20namespace llvm {
21
22class raw_ostream;
23
24struct CPPTargetMachine : public TargetMachine {
25  const TargetData DataLayout;       // Calculates type size & alignment
26
27  CPPTargetMachine(const Module &M, const std::string &FS)
28    : DataLayout(&M) {}
29
30  virtual bool WantsWholeFile() const { return true; }
31  virtual bool addPassesToEmitWholeFile(PassManager &PM, raw_ostream &Out,
32                                        CodeGenFileType FileType, bool Fast);
33
34  // This class always works, but shouldn't be the default in most cases.
35  static unsigned getModuleMatchQuality(const Module &M) { return 1; }
36
37  virtual const TargetData *getTargetData() const { return &DataLayout; }
38};
39
40} // End llvm namespace
41
42
43#endif
44