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 "X86.h"
18#include "X86ELFWriterInfo.h"
19#include "X86InstrInfo.h"
20#include "X86ISelLowering.h"
21#include "X86FrameLowering.h"
22#include "X86JITInfo.h"
23#include "X86SelectionDAGInfo.h"
24#include "X86Subtarget.h"
25#include "llvm/Target/TargetMachine.h"
26#include "llvm/Target/TargetData.h"
27#include "llvm/Target/TargetFrameLowering.h"
28
29namespace llvm {
30
31class StringRef;
32
33class X86TargetMachine : public LLVMTargetMachine {
34  X86Subtarget       Subtarget;
35  X86FrameLowering   FrameLowering;
36  X86ELFWriterInfo   ELFWriterInfo;
37  InstrItineraryData InstrItins;
38
39public:
40  X86TargetMachine(const Target &T, StringRef TT,
41                   StringRef CPU, StringRef FS, const TargetOptions &Options,
42                   Reloc::Model RM, CodeModel::Model CM,
43                   CodeGenOpt::Level OL,
44                   bool is64Bit);
45
46  virtual const X86InstrInfo     *getInstrInfo() const {
47    llvm_unreachable("getInstrInfo not implemented");
48  }
49  virtual const TargetFrameLowering  *getFrameLowering() const {
50    return &FrameLowering;
51  }
52  virtual       X86JITInfo       *getJITInfo()         {
53    llvm_unreachable("getJITInfo not implemented");
54  }
55  virtual const X86Subtarget     *getSubtargetImpl() const{ return &Subtarget; }
56  virtual const X86TargetLowering *getTargetLowering() const {
57    llvm_unreachable("getTargetLowering not implemented");
58  }
59  virtual const X86SelectionDAGInfo *getSelectionDAGInfo() const {
60    llvm_unreachable("getSelectionDAGInfo not implemented");
61  }
62  virtual const X86RegisterInfo  *getRegisterInfo() const {
63    return &getInstrInfo()->getRegisterInfo();
64  }
65  virtual const X86ELFWriterInfo *getELFWriterInfo() const {
66    return Subtarget.isTargetELF() ? &ELFWriterInfo : 0;
67  }
68  virtual const InstrItineraryData *getInstrItineraryData() const {
69    return &InstrItins;
70  }
71
72  // Set up the pass pipeline.
73  virtual TargetPassConfig *createPassConfig(PassManagerBase &PM);
74
75  virtual bool addCodeEmitter(PassManagerBase &PM,
76                              JITCodeEmitter &JCE);
77};
78
79/// X86_32TargetMachine - X86 32-bit target machine.
80///
81class X86_32TargetMachine : public X86TargetMachine {
82  virtual void anchor();
83  const TargetData  DataLayout; // Calculates type size & alignment
84  X86InstrInfo      InstrInfo;
85  X86SelectionDAGInfo TSInfo;
86  X86TargetLowering TLInfo;
87  X86JITInfo        JITInfo;
88public:
89  X86_32TargetMachine(const Target &T, StringRef TT,
90                      StringRef CPU, StringRef FS, const TargetOptions &Options,
91                      Reloc::Model RM, CodeModel::Model CM,
92                      CodeGenOpt::Level OL);
93  virtual const TargetData *getTargetData() const { return &DataLayout; }
94  virtual const X86TargetLowering *getTargetLowering() const {
95    return &TLInfo;
96  }
97  virtual const X86SelectionDAGInfo *getSelectionDAGInfo() const {
98    return &TSInfo;
99  }
100  virtual const X86InstrInfo     *getInstrInfo() const {
101    return &InstrInfo;
102  }
103  virtual       X86JITInfo       *getJITInfo()         {
104    return &JITInfo;
105  }
106};
107
108/// X86_64TargetMachine - X86 64-bit target machine.
109///
110class X86_64TargetMachine : public X86TargetMachine {
111  virtual void anchor();
112  const TargetData  DataLayout; // Calculates type size & alignment
113  X86InstrInfo      InstrInfo;
114  X86SelectionDAGInfo TSInfo;
115  X86TargetLowering TLInfo;
116  X86JITInfo        JITInfo;
117public:
118  X86_64TargetMachine(const Target &T, StringRef TT,
119                      StringRef CPU, StringRef FS, const TargetOptions &Options,
120                      Reloc::Model RM, CodeModel::Model CM,
121                      CodeGenOpt::Level OL);
122  virtual const TargetData *getTargetData() const { return &DataLayout; }
123  virtual const X86TargetLowering *getTargetLowering() const {
124    return &TLInfo;
125  }
126  virtual const X86SelectionDAGInfo *getSelectionDAGInfo() const {
127    return &TSInfo;
128  }
129  virtual const X86InstrInfo     *getInstrInfo() const {
130    return &InstrInfo;
131  }
132  virtual       X86JITInfo       *getJITInfo()         {
133    return &JITInfo;
134  }
135};
136
137} // End llvm namespace
138
139#endif
140