X86TargetMachine.h revision 198090 
1//===-- X86TargetMachine.h - Define TargetMachine for the X86 ---*- 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 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/TargetData.h"
19#include "llvm/Target/TargetFrameInfo.h"
20#include "X86.h"
21#include "X86ELFWriterInfo.h"
22#include "X86InstrInfo.h"
23#include "X86JITInfo.h"
24#include "X86Subtarget.h"
25#include "X86ISelLowering.h"
26
27namespace llvm {
28
29class formatted_raw_ostream;
30
31class X86TargetMachine : public LLVMTargetMachine {
32  X86Subtarget      Subtarget;
33  const TargetData  DataLayout; // Calculates type size & alignment
34  TargetFrameInfo   FrameInfo;
35  X86InstrInfo      InstrInfo;
36  X86JITInfo        JITInfo;
37  X86TargetLowering TLInfo;
38  X86ELFWriterInfo  ELFWriterInfo;
39  Reloc::Model      DefRelocModel; // Reloc model before it's overridden.
40
41public:
42  X86TargetMachine(const Target &T, const std::string &TT,
43                   const std::string &FS, bool is64Bit);
44
45  virtual const X86InstrInfo     *getInstrInfo() const { return &InstrInfo; }
46  virtual const TargetFrameInfo  *getFrameInfo() const { return &FrameInfo; }
47  virtual       X86JITInfo       *getJITInfo()         { return &JITInfo; }
48  virtual const X86Subtarget     *getSubtargetImpl() const{ return &Subtarget; }
49  virtual       X86TargetLowering *getTargetLowering() const {
50    return const_cast<X86TargetLowering*>(&TLInfo);
51  }
52  virtual const X86RegisterInfo  *getRegisterInfo() const {
53    return &InstrInfo.getRegisterInfo();
54  }
55  virtual const TargetData       *getTargetData() const { return &DataLayout; }
56  virtual const X86ELFWriterInfo *getELFWriterInfo() const {
57    return Subtarget.isTargetELF() ? &ELFWriterInfo : 0;
58  }
59
60  // Set up the pass pipeline.
61  virtual bool addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
62  virtual bool addPreRegAlloc(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
63  virtual bool addPostRegAlloc(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
64  virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
65                              MachineCodeEmitter &MCE);
66  virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
67                              JITCodeEmitter &JCE);
68  virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
69                              ObjectCodeEmitter &OCE);
70  virtual bool addSimpleCodeEmitter(PassManagerBase &PM,
71                                    CodeGenOpt::Level OptLevel,
72                                    MachineCodeEmitter &MCE);
73  virtual bool addSimpleCodeEmitter(PassManagerBase &PM,
74                                    CodeGenOpt::Level OptLevel,
75                                    JITCodeEmitter &JCE);
76  virtual bool addSimpleCodeEmitter(PassManagerBase &PM,
77                                    CodeGenOpt::Level OptLevel,
78                                    ObjectCodeEmitter &OCE);
79};
80
81/// X86_32TargetMachine - X86 32-bit target machine.
82///
83class X86_32TargetMachine : public X86TargetMachine {
84public:
85  X86_32TargetMachine(const Target &T, const std::string &M,
86                      const std::string &FS);
87};
88
89/// X86_64TargetMachine - X86 64-bit target machine.
90///
91class X86_64TargetMachine : public X86TargetMachine {
92public:
93  X86_64TargetMachine(const Target &T, const std::string &TT,
94                      const std::string &FS);
95};
96
97} // End llvm namespace
98
99#endif
100