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;
40 X86TargetMachine(const Module &M, const std::string &FS, bool is64Bit);
42 virtual const X86InstrInfo *getInstrInfo() const { return &InstrInfo; }
43 virtual const TargetFrameInfo *getFrameInfo() const { return &FrameInfo; }
44 virtual TargetJITInfo *getJITInfo() { return &JITInfo; }
45 virtual const TargetSubtarget *getSubtargetImpl() const{ return &Subtarget; }
46 virtual X86TargetLowering *getTargetLowering() const {
47 return const_cast<X86TargetLowering*>(&TLInfo);
49 virtual const MRegisterInfo *getRegisterInfo() const {
50 return &InstrInfo.getRegisterInfo();
52 virtual const TargetData *getTargetData() const { return &DataLayout; }
54 static unsigned getModuleMatchQuality(const Module &M);
55 static unsigned getJITMatchQuality();
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);
69 /// X86_32TargetMachine - X86 32-bit target machine.
71 class X86_32TargetMachine : public X86TargetMachine {
73 X86_32TargetMachine(const Module &M, const std::string &FS);
75 static unsigned getJITMatchQuality();
76 static unsigned getModuleMatchQuality(const Module &M);
79 /// X86_64TargetMachine - X86 64-bit target machine.
81 class X86_64TargetMachine : public X86TargetMachine {
83 X86_64TargetMachine(const Module &M, const std::string &FS);
85 static unsigned getJITMatchQuality();
86 static unsigned getModuleMatchQuality(const Module &M);
89 } // End llvm namespace