X86TargetMachine.h revision 0e0a7a45d3d0a8c865a078459d2e1c6d8967a100 
1//===-- X86TargetMachine.h - Define TargetMachine for the X86 ---*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
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.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file declares the X86 specific subclass of TargetMachine.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef X86TARGETMACHINE_H
15#define X86TARGETMACHINE_H
16
17#include "llvm/Target/TargetMachine.h"
18#include "llvm/Target/TargetFrameInfo.h"
19#include "llvm/PassManager.h"
20#include "X86InstrInfo.h"
21#include "X86JITInfo.h"
22
23namespace llvm {
24class IntrinsicLowering;
25
26class X86TargetMachine : public TargetMachine {
27  X86InstrInfo    InstrInfo;
28  TargetFrameInfo FrameInfo;
29  X86JITInfo      JITInfo;
30public:
31  X86TargetMachine(const Module &M, IntrinsicLowering *IL);
32
33  virtual const X86InstrInfo     *getInstrInfo() const { return &InstrInfo; }
34  virtual const TargetFrameInfo  *getFrameInfo() const { return &FrameInfo; }
35  virtual       TargetJITInfo    *getJITInfo()         { return &JITInfo; }
36  virtual const MRegisterInfo    *getRegisterInfo() const {
37    return &InstrInfo.getRegisterInfo();
38  }
39
40  /// addPassesToEmitMachineCode - Add passes to the specified pass manager to
41  /// get machine code emitted.  This uses a MachineCodeEmitter object to handle
42  /// actually outputting the machine code and resolving things like the address
43  /// of functions.  This method should returns true if machine code emission is
44  /// not supported.
45  ///
46  virtual bool addPassesToEmitMachineCode(FunctionPassManager &PM,
47                                          MachineCodeEmitter &MCE);
48
49  virtual bool addPassesToEmitAssembly(PassManager &PM, std::ostream &Out);
50
51  static unsigned getModuleMatchQuality(const Module &M);
52  static unsigned getJITMatchQuality();
53};
54} // End llvm namespace
55
56#endif
57