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
17 #include "llvm/Target/TargetMachine.h"
18 #include "llvm/Target/TargetData.h"
19 #include "llvm/Target/TargetFrameInfo.h"
21 #include "X86ELFWriterInfo.h"
22 #include "X86InstrInfo.h"
23 #include "X86JITInfo.h"
24 #include "X86Subtarget.h"
25 #include "X86ISelLowering.h"
26 #include "X86SelectionDAGInfo.h"
30 class formatted_raw_ostream;
32 class X86TargetMachine : public LLVMTargetMachine {
33 X86Subtarget Subtarget;
34 TargetFrameInfo FrameInfo;
35 X86ELFWriterInfo ELFWriterInfo;
36 Reloc::Model DefRelocModel; // Reloc model before it's overridden.
39 // We have specific defaults for X86.
40 virtual void setCodeModelForJIT();
41 virtual void setCodeModelForStatic();
44 X86TargetMachine(const Target &T, const std::string &TT,
45 const std::string &FS, bool is64Bit);
47 virtual const X86InstrInfo *getInstrInfo() const {
48 llvm_unreachable("getInstrInfo not implemented");
50 virtual const TargetFrameInfo *getFrameInfo() const { return &FrameInfo; }
51 virtual X86JITInfo *getJITInfo() {
52 llvm_unreachable("getJITInfo not implemented");
54 virtual const X86Subtarget *getSubtargetImpl() const{ return &Subtarget; }
55 virtual const X86TargetLowering *getTargetLowering() const {
56 llvm_unreachable("getTargetLowering not implemented");
58 virtual const X86SelectionDAGInfo *getSelectionDAGInfo() const {
59 llvm_unreachable("getSelectionDAGInfo not implemented");
61 virtual const X86RegisterInfo *getRegisterInfo() const {
62 return &getInstrInfo()->getRegisterInfo();
64 virtual const X86ELFWriterInfo *getELFWriterInfo() const {
65 return Subtarget.isTargetELF() ? &ELFWriterInfo : 0;
68 // Set up the pass pipeline.
69 virtual bool addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
70 virtual bool addPreRegAlloc(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
71 virtual bool addPostRegAlloc(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
72 virtual bool addPreEmitPass(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
73 virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
77 /// X86_32TargetMachine - X86 32-bit target machine.
79 class X86_32TargetMachine : public X86TargetMachine {
80 const TargetData DataLayout; // Calculates type size & alignment
81 X86InstrInfo InstrInfo;
82 X86SelectionDAGInfo TSInfo;
83 X86TargetLowering TLInfo;
86 X86_32TargetMachine(const Target &T, const std::string &M,
87 const std::string &FS);
88 virtual const TargetData *getTargetData() const { return &DataLayout; }
89 virtual const X86TargetLowering *getTargetLowering() const {
92 virtual const X86SelectionDAGInfo *getSelectionDAGInfo() const {
95 virtual const X86InstrInfo *getInstrInfo() const {
98 virtual X86JITInfo *getJITInfo() {
103 /// X86_64TargetMachine - X86 64-bit target machine.
105 class X86_64TargetMachine : public X86TargetMachine {
106 const TargetData DataLayout; // Calculates type size & alignment
107 X86InstrInfo InstrInfo;
108 X86SelectionDAGInfo TSInfo;
109 X86TargetLowering TLInfo;
112 X86_64TargetMachine(const Target &T, const std::string &TT,
113 const std::string &FS);
114 virtual const TargetData *getTargetData() const { return &DataLayout; }
115 virtual const X86TargetLowering *getTargetLowering() const {
118 virtual const X86SelectionDAGInfo *getSelectionDAGInfo() const {
121 virtual const X86InstrInfo *getInstrInfo() const {
124 virtual X86JITInfo *getJITInfo() {
129 } // End llvm namespace