X86TargetMachine.h revision 243830 
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 "X86InstrInfo.h"
19#include "X86ISelLowering.h"
20#include "X86FrameLowering.h"
21#include "X86JITInfo.h"
22#include "X86SelectionDAGInfo.h"
23#include "X86Subtarget.h"
24#include "llvm/Target/TargetMachine.h"
25#include "llvm/DataLayout.h"
26#include "llvm/Target/TargetFrameLowering.h"
27#include "llvm/Target/TargetTransformImpl.h"
28
29namespace llvm {
30
31class StringRef;
32
33class X86TargetMachine : public LLVMTargetMachine {
34  X86Subtarget       Subtarget;
35  X86FrameLowering   FrameLowering;
36  InstrItineraryData InstrItins;
37
38public:
39  X86TargetMachine(const Target &T, StringRef TT,
40                   StringRef CPU, StringRef FS, const TargetOptions &Options,
41                   Reloc::Model RM, CodeModel::Model CM,
42                   CodeGenOpt::Level OL,
43                   bool is64Bit);
44
45  virtual const X86InstrInfo     *getInstrInfo() const {
46    llvm_unreachable("getInstrInfo not implemented");
47  }
48  virtual const TargetFrameLowering  *getFrameLowering() const {
49    return &FrameLowering;
50  }
51  virtual       X86JITInfo       *getJITInfo()         {
52    llvm_unreachable("getJITInfo not implemented");
53  }
54  virtual const X86Subtarget     *getSubtargetImpl() const{ return &Subtarget; }
55  virtual const X86TargetLowering *getTargetLowering() const {
56    llvm_unreachable("getTargetLowering not implemented");
57  }
58  virtual const X86SelectionDAGInfo *getSelectionDAGInfo() const {
59    llvm_unreachable("getSelectionDAGInfo not implemented");
60  }
61  virtual const X86RegisterInfo  *getRegisterInfo() const {
62    return &getInstrInfo()->getRegisterInfo();
63  }
64  virtual const InstrItineraryData *getInstrItineraryData() const {
65    return &InstrItins;
66  }
67
68  // Set up the pass pipeline.
69  virtual TargetPassConfig *createPassConfig(PassManagerBase &PM);
70
71  virtual bool addCodeEmitter(PassManagerBase &PM,
72                              JITCodeEmitter &JCE);
73};
74
75/// X86_32TargetMachine - X86 32-bit target machine.
76///
77class X86_32TargetMachine : public X86TargetMachine {
78  virtual void anchor();
79  const DataLayout  DL; // Calculates type size & alignment
80  X86InstrInfo      InstrInfo;
81  X86SelectionDAGInfo TSInfo;
82  X86TargetLowering TLInfo;
83  X86JITInfo        JITInfo;
84  ScalarTargetTransformImpl STTI;
85  X86VectorTargetTransformInfo VTTI;
86public:
87  X86_32TargetMachine(const Target &T, StringRef TT,
88                      StringRef CPU, StringRef FS, const TargetOptions &Options,
89                      Reloc::Model RM, CodeModel::Model CM,
90                      CodeGenOpt::Level OL);
91  virtual const DataLayout *getDataLayout() const { return &DL; }
92  virtual const X86TargetLowering *getTargetLowering() const {
93    return &TLInfo;
94  }
95  virtual const X86SelectionDAGInfo *getSelectionDAGInfo() const {
96    return &TSInfo;
97  }
98  virtual const X86InstrInfo     *getInstrInfo() const {
99    return &InstrInfo;
100  }
101  virtual       X86JITInfo       *getJITInfo()         {
102    return &JITInfo;
103  }
104  virtual const ScalarTargetTransformInfo *getScalarTargetTransformInfo()const {
105    return &STTI;
106  }
107  virtual const VectorTargetTransformInfo *getVectorTargetTransformInfo()const {
108    return &VTTI;
109  }
110};
111
112/// X86_64TargetMachine - X86 64-bit target machine.
113///
114class X86_64TargetMachine : public X86TargetMachine {
115  virtual void anchor();
116  const DataLayout  DL; // Calculates type size & alignment
117  X86InstrInfo      InstrInfo;
118  X86SelectionDAGInfo TSInfo;
119  X86TargetLowering TLInfo;
120  X86JITInfo        JITInfo;
121  ScalarTargetTransformImpl STTI;
122  X86VectorTargetTransformInfo VTTI;
123public:
124  X86_64TargetMachine(const Target &T, StringRef TT,
125                      StringRef CPU, StringRef FS, const TargetOptions &Options,
126                      Reloc::Model RM, CodeModel::Model CM,
127                      CodeGenOpt::Level OL);
128  virtual const DataLayout *getDataLayout() const { return &DL; }
129  virtual const X86TargetLowering *getTargetLowering() const {
130    return &TLInfo;
131  }
132  virtual const X86SelectionDAGInfo *getSelectionDAGInfo() const {
133    return &TSInfo;
134  }
135  virtual const X86InstrInfo     *getInstrInfo() const {
136    return &InstrInfo;
137  }
138  virtual       X86JITInfo       *getJITInfo()         {
139    return &JITInfo;
140  }
141  virtual const ScalarTargetTransformInfo *getScalarTargetTransformInfo()const {
142    return &STTI;
143  }
144  virtual const VectorTargetTransformInfo *getVectorTargetTransformInfo()const {
145    return &VTTI;
146  }
147};
148
149} // End llvm namespace
150
151#endif
152