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 const TargetData DataLayout; // Calculates type size & alignment
35 TargetFrameInfo FrameInfo;
36 X86InstrInfo InstrInfo;
38 X86TargetLowering TLInfo;
39 X86SelectionDAGInfo TSInfo;
40 X86ELFWriterInfo ELFWriterInfo;
41 Reloc::Model DefRelocModel; // Reloc model before it's overridden.
44 // We have specific defaults for X86.
45 virtual void setCodeModelForJIT();
46 virtual void setCodeModelForStatic();
49 X86TargetMachine(const Target &T, const std::string &TT,
50 const std::string &FS, bool is64Bit);
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 {
59 virtual const X86SelectionDAGInfo *getSelectionDAGInfo() const {
62 virtual const X86RegisterInfo *getRegisterInfo() const {
63 return &InstrInfo.getRegisterInfo();
65 virtual const TargetData *getTargetData() const { return &DataLayout; }
66 virtual const X86ELFWriterInfo *getELFWriterInfo() const {
67 return Subtarget.isTargetELF() ? &ELFWriterInfo : 0;
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,
79 /// X86_32TargetMachine - X86 32-bit target machine.
81 class X86_32TargetMachine : public X86TargetMachine {
83 X86_32TargetMachine(const Target &T, const std::string &M,
84 const std::string &FS);
87 /// X86_64TargetMachine - X86 64-bit target machine.
89 class X86_64TargetMachine : public X86TargetMachine {
91 X86_64TargetMachine(const Target &T, const std::string &TT,
92 const std::string &FS);
95 } // End llvm namespace