1 //===-- X86TargetMachine.h - Define TargetMachine for the X86 ---*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file was developed by the LLVM research group and is distributed under
6 // the University of Illinois Open Source 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 "X86InstrInfo.h"
22 #include "X86JITInfo.h"
23 #include "X86Subtarget.h"
24 #include "X86TargetAsmInfo.h"
25 #include "X86ISelLowering.h"
29 class X86TargetMachine : public LLVMTargetMachine {
30 X86Subtarget Subtarget;
31 const TargetData DataLayout; // Calculates type size & alignment
32 TargetFrameInfo FrameInfo;
33 X86InstrInfo InstrInfo;
35 X86TargetLowering TLInfo;
37 X86TargetMachine(const Module &M, const std::string &FS);
39 virtual const X86InstrInfo *getInstrInfo() const { return &InstrInfo; }
40 virtual const TargetFrameInfo *getFrameInfo() const { return &FrameInfo; }
41 virtual TargetJITInfo *getJITInfo() { return &JITInfo; }
42 virtual const TargetSubtarget *getSubtargetImpl() const{ return &Subtarget; }
43 virtual X86TargetLowering *getTargetLowering() const {
44 return const_cast<X86TargetLowering*>(&TLInfo);
46 virtual const MRegisterInfo *getRegisterInfo() const {
47 return &InstrInfo.getRegisterInfo();
49 virtual const TargetData *getTargetData() const { return &DataLayout; }
51 static unsigned getModuleMatchQuality(const Module &M);
52 static unsigned getJITMatchQuality();
54 virtual const TargetAsmInfo *createTargetAsmInfo() const {
55 return static_cast<const TargetAsmInfo *>(new X86TargetAsmInfo(*this));
58 // Set up the pass pipeline.
59 virtual bool addInstSelector(FunctionPassManager &PM, bool Fast);
60 virtual bool addPostRegAlloc(FunctionPassManager &PM, bool Fast);
61 virtual bool addAssemblyEmitter(FunctionPassManager &PM, bool Fast,
63 virtual bool addObjectWriter(FunctionPassManager &PM, bool Fast,
65 virtual bool addCodeEmitter(FunctionPassManager &PM, bool Fast,
66 MachineCodeEmitter &MCE);
68 } // End llvm namespace