1 //===-- X86TargetMachine.h - Define TargetMachine for the X86 ---*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file declares the X86 specific subclass of TargetMachine.
12 //===----------------------------------------------------------------------===//
14 #ifndef X86TARGETMACHINE_H
15 #define X86TARGETMACHINE_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"
31 class formatted_raw_ostream;
33 class X86TargetMachine : public LLVMTargetMachine {
34 X86Subtarget Subtarget;
35 X86FrameLowering FrameLowering;
36 X86ELFWriterInfo ELFWriterInfo;
37 Reloc::Model DefRelocModel; // Reloc model before it's overridden.
40 // We have specific defaults for X86.
41 virtual void setCodeModelForJIT();
42 virtual void setCodeModelForStatic();
45 X86TargetMachine(const Target &T, const std::string &TT,
46 const std::string &FS, bool is64Bit);
48 virtual const X86InstrInfo *getInstrInfo() const {
49 llvm_unreachable("getInstrInfo not implemented");
51 virtual const TargetFrameLowering *getFrameLowering() const {
52 return &FrameLowering;
54 virtual X86JITInfo *getJITInfo() {
55 llvm_unreachable("getJITInfo not implemented");
57 virtual const X86Subtarget *getSubtargetImpl() const{ return &Subtarget; }
58 virtual const X86TargetLowering *getTargetLowering() const {
59 llvm_unreachable("getTargetLowering not implemented");
61 virtual const X86SelectionDAGInfo *getSelectionDAGInfo() const {
62 llvm_unreachable("getSelectionDAGInfo not implemented");
64 virtual const X86RegisterInfo *getRegisterInfo() const {
65 return &getInstrInfo()->getRegisterInfo();
67 virtual const X86ELFWriterInfo *getELFWriterInfo() const {
68 return Subtarget.isTargetELF() ? &ELFWriterInfo : 0;
71 // Set up the pass pipeline.
72 virtual bool addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
73 virtual bool addPreRegAlloc(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
74 virtual bool addPostRegAlloc(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
75 virtual bool addPreEmitPass(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
76 virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
80 /// X86_32TargetMachine - X86 32-bit target machine.
82 class X86_32TargetMachine : public X86TargetMachine {
83 const TargetData DataLayout; // Calculates type size & alignment
84 X86InstrInfo InstrInfo;
85 X86SelectionDAGInfo TSInfo;
86 X86TargetLowering TLInfo;
89 X86_32TargetMachine(const Target &T, const std::string &M,
90 const std::string &FS);
91 virtual const TargetData *getTargetData() const { return &DataLayout; }
92 virtual const X86TargetLowering *getTargetLowering() const {
95 virtual const X86SelectionDAGInfo *getSelectionDAGInfo() const {
98 virtual const X86InstrInfo *getInstrInfo() const {
101 virtual X86JITInfo *getJITInfo() {
106 /// X86_64TargetMachine - X86 64-bit target machine.
108 class X86_64TargetMachine : public X86TargetMachine {
109 const TargetData DataLayout; // Calculates type size & alignment
110 X86InstrInfo InstrInfo;
111 X86SelectionDAGInfo TSInfo;
112 X86TargetLowering TLInfo;
115 X86_64TargetMachine(const Target &T, const std::string &TT,
116 const std::string &FS);
117 virtual const TargetData *getTargetData() const { return &DataLayout; }
118 virtual const X86TargetLowering *getTargetLowering() const {
121 virtual const X86SelectionDAGInfo *getSelectionDAGInfo() const {
124 virtual const X86InstrInfo *getInstrInfo() const {
127 virtual X86JITInfo *getJITInfo() {
132 } // End llvm namespace