aboutsummaryrefslogtreecommitdiff
path: root/lib/Target/X86/X86TargetMachine.h
blob: d1569aa9d75100fa4c8171ec663c8bf0bee62afb (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
//===-- X86TargetMachine.h - Define TargetMachine for the X86 ---*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file declares the X86 specific subclass of TargetMachine.
//
//===----------------------------------------------------------------------===//

#ifndef X86TARGETMACHINE_H
#define X86TARGETMACHINE_H

#include "X86.h"
#include "X86ELFWriterInfo.h"
#include "X86InstrInfo.h"
#include "X86ISelLowering.h"
#include "X86FrameLowering.h"
#include "X86JITInfo.h"
#include "X86SelectionDAGInfo.h"
#include "X86Subtarget.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetData.h"
#include "llvm/Target/TargetFrameLowering.h"

namespace llvm {
  
class formatted_raw_ostream;
class StringRef;

class X86TargetMachine : public LLVMTargetMachine {
  X86Subtarget      Subtarget;
  X86FrameLowering  FrameLowering;
  X86ELFWriterInfo  ELFWriterInfo;

public:
  X86TargetMachine(const Target &T, StringRef TT, 
                   StringRef CPU, StringRef FS,
                   Reloc::Model RM, CodeModel::Model CM,
                   bool is64Bit);

  virtual const X86InstrInfo     *getInstrInfo() const {
    llvm_unreachable("getInstrInfo not implemented");
  }
  virtual const TargetFrameLowering  *getFrameLowering() const {
    return &FrameLowering;
  }
  virtual       X86JITInfo       *getJITInfo()         {
    llvm_unreachable("getJITInfo not implemented");
  }
  virtual const X86Subtarget     *getSubtargetImpl() const{ return &Subtarget; }
  virtual const X86TargetLowering *getTargetLowering() const {
    llvm_unreachable("getTargetLowering not implemented");
  }
  virtual const X86SelectionDAGInfo *getSelectionDAGInfo() const { 
    llvm_unreachable("getSelectionDAGInfo not implemented");
  }
  virtual const X86RegisterInfo  *getRegisterInfo() const {
    return &getInstrInfo()->getRegisterInfo();
  }
  virtual const X86ELFWriterInfo *getELFWriterInfo() const {
    return Subtarget.isTargetELF() ? &ELFWriterInfo : 0;
  }

  // Set up the pass pipeline.
  virtual bool addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
  virtual bool addPreRegAlloc(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
  virtual bool addPostRegAlloc(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
  virtual bool addPreEmitPass(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
  virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
                              JITCodeEmitter &JCE);
};

/// X86_32TargetMachine - X86 32-bit target machine.
///
class X86_32TargetMachine : public X86TargetMachine {
  const TargetData  DataLayout; // Calculates type size & alignment
  X86InstrInfo      InstrInfo;
  X86SelectionDAGInfo TSInfo;
  X86TargetLowering TLInfo;
  X86JITInfo        JITInfo;
public:
  X86_32TargetMachine(const Target &T, StringRef TT,
                      StringRef CPU, StringRef FS,
                      Reloc::Model RM, CodeModel::Model CM);
  virtual const TargetData *getTargetData() const { return &DataLayout; }
  virtual const X86TargetLowering *getTargetLowering() const {
    return &TLInfo;
  }
  virtual const X86SelectionDAGInfo *getSelectionDAGInfo() const { 
    return &TSInfo;
  }
  virtual const X86InstrInfo     *getInstrInfo() const {
    return &InstrInfo;
  }
  virtual       X86JITInfo       *getJITInfo()         {
    return &JITInfo;
  }
};

/// X86_64TargetMachine - X86 64-bit target machine.
///
class X86_64TargetMachine : public X86TargetMachine {
  const TargetData  DataLayout; // Calculates type size & alignment
  X86InstrInfo      InstrInfo;
  X86SelectionDAGInfo TSInfo;
  X86TargetLowering TLInfo;
  X86JITInfo        JITInfo;
public:
  X86_64TargetMachine(const Target &T, StringRef TT,
                      StringRef CPU, StringRef FS,
                      Reloc::Model RM, CodeModel::Model CM);
  virtual const TargetData *getTargetData() const { return &DataLayout; }
  virtual const X86TargetLowering *getTargetLowering() const {
    return &TLInfo;
  }
  virtual const X86SelectionDAGInfo *getSelectionDAGInfo() const { 
    return &TSInfo;
  }
  virtual const X86InstrInfo     *getInstrInfo() const {
    return &InstrInfo;
  }
  virtual       X86JITInfo       *getJITInfo()         {
    return &JITInfo;
  }
};

} // End llvm namespace

#endif