X86TargetMachine.h revision 208599
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 "llvm/Target/TargetMachine.h" 18#include "llvm/Target/TargetData.h" 19#include "llvm/Target/TargetFrameInfo.h" 20#include "X86.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" 27 28namespace llvm { 29 30class formatted_raw_ostream; 31 32class X86TargetMachine : public LLVMTargetMachine { 33 X86Subtarget Subtarget; 34 const TargetData DataLayout; // Calculates type size & alignment 35 TargetFrameInfo FrameInfo; 36 X86InstrInfo InstrInfo; 37 X86JITInfo JITInfo; 38 X86TargetLowering TLInfo; 39 X86SelectionDAGInfo TSInfo; 40 X86ELFWriterInfo ELFWriterInfo; 41 Reloc::Model DefRelocModel; // Reloc model before it's overridden. 42 43private: 44 // We have specific defaults for X86. 45 virtual void setCodeModelForJIT(); 46 virtual void setCodeModelForStatic(); 47 48public: 49 X86TargetMachine(const Target &T, const std::string &TT, 50 const std::string &FS, bool is64Bit); 51 52 virtual const X86InstrInfo *getInstrInfo() const { return &InstrInfo; } 53 virtual const TargetFrameInfo *getFrameInfo() const { return &FrameInfo; } 54 virtual X86JITInfo *getJITInfo() { return &JITInfo; } 55 virtual const X86Subtarget *getSubtargetImpl() const{ return &Subtarget; } 56 virtual const X86TargetLowering *getTargetLowering() const { 57 return &TLInfo; 58 } 59 virtual const X86SelectionDAGInfo *getSelectionDAGInfo() const { 60 return &TSInfo; 61 } 62 virtual const X86RegisterInfo *getRegisterInfo() const { 63 return &InstrInfo.getRegisterInfo(); 64 } 65 virtual const TargetData *getTargetData() const { return &DataLayout; } 66 virtual const X86ELFWriterInfo *getELFWriterInfo() const { 67 return Subtarget.isTargetELF() ? &ELFWriterInfo : 0; 68 } 69 70 // Set up the pass pipeline. 71 virtual bool addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel); 72 virtual bool addPreRegAlloc(PassManagerBase &PM, CodeGenOpt::Level OptLevel); 73 virtual bool addPostRegAlloc(PassManagerBase &PM, CodeGenOpt::Level OptLevel); 74 virtual bool addPreEmitPass(PassManagerBase &PM, CodeGenOpt::Level OptLevel); 75 virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel, 76 JITCodeEmitter &JCE); 77}; 78 79/// X86_32TargetMachine - X86 32-bit target machine. 80/// 81class X86_32TargetMachine : public X86TargetMachine { 82public: 83 X86_32TargetMachine(const Target &T, const std::string &M, 84 const std::string &FS); 85}; 86 87/// X86_64TargetMachine - X86 64-bit target machine. 88/// 89class X86_64TargetMachine : public X86TargetMachine { 90public: 91 X86_64TargetMachine(const Target &T, const std::string &TT, 92 const std::string &FS); 93}; 94 95} // End llvm namespace 96 97#endif 98