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 "X86ISelLowering.h"
28 class X86TargetMachine : public LLVMTargetMachine {
29 X86Subtarget Subtarget;
30 const TargetData DataLayout; // Calculates type size & alignment
31 TargetFrameInfo FrameInfo;
32 X86InstrInfo InstrInfo;
34 X86TargetLowering TLInfo;
37 virtual const TargetAsmInfo *createTargetAsmInfo() const;
38 virtual const TargetObjInfo *createTargetObjInfo() const;
41 X86TargetMachine(const Module &M, const std::string &FS, bool is64Bit);
43 virtual const X86InstrInfo *getInstrInfo() const { return &InstrInfo; }
44 virtual const TargetFrameInfo *getFrameInfo() const { return &FrameInfo; }
45 virtual TargetJITInfo *getJITInfo() { return &JITInfo; }
46 virtual const TargetSubtarget *getSubtargetImpl() const{ return &Subtarget; }
47 virtual X86TargetLowering *getTargetLowering() const {
48 return const_cast<X86TargetLowering*>(&TLInfo);
50 virtual const MRegisterInfo *getRegisterInfo() const {
51 return &InstrInfo.getRegisterInfo();
53 virtual const TargetData *getTargetData() const { return &DataLayout; }
55 static unsigned getModuleMatchQuality(const Module &M);
56 static unsigned getJITMatchQuality();
59 // Set up the pass pipeline.
60 virtual bool addInstSelector(FunctionPassManager &PM, bool Fast);
61 virtual bool addPostRegAlloc(FunctionPassManager &PM, bool Fast);
62 virtual bool addAssemblyEmitter(FunctionPassManager &PM, bool Fast,
64 virtual bool addObjectWriter(FunctionPassManager &PM, bool Fast,
66 virtual bool addCodeEmitter(FunctionPassManager &PM, bool Fast,
67 MachineCodeEmitter &MCE);
70 /// X86_32TargetMachine - X86 32-bit target machine.
72 class X86_32TargetMachine : public X86TargetMachine {
74 X86_32TargetMachine(const Module &M, const std::string &FS);
76 static unsigned getJITMatchQuality();
77 static unsigned getModuleMatchQuality(const Module &M);
80 /// X86_64TargetMachine - X86 64-bit target machine.
82 class X86_64TargetMachine : public X86TargetMachine {
84 X86_64TargetMachine(const Module &M, const std::string &FS);
86 static unsigned getJITMatchQuality();
87 static unsigned getModuleMatchQuality(const Module &M);
90 } // End llvm namespace