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"
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;
36 X86ELFWriterInfo ELFWriterInfo;
37 Reloc::Model DefRelocModel; // Reloc model before it's overridden.
40 virtual const TargetAsmInfo *createTargetAsmInfo() const;
43 X86TargetMachine(const Module &M, const std::string &FS, bool is64Bit);
45 virtual const X86InstrInfo *getInstrInfo() const { return &InstrInfo; }
46 virtual const TargetFrameInfo *getFrameInfo() const { return &FrameInfo; }
47 virtual TargetJITInfo *getJITInfo() { return &JITInfo; }
48 virtual const TargetSubtarget *getSubtargetImpl() const{ return &Subtarget; }
49 virtual X86TargetLowering *getTargetLowering() const {
50 return const_cast<X86TargetLowering*>(&TLInfo);
52 virtual const TargetRegisterInfo *getRegisterInfo() const {
53 return &InstrInfo.getRegisterInfo();
55 virtual const TargetData *getTargetData() const { return &DataLayout; }
56 virtual const X86ELFWriterInfo *getELFWriterInfo() const {
57 return Subtarget.isTargetELF() ? &ELFWriterInfo : 0;
60 static unsigned getModuleMatchQuality(const Module &M);
61 static unsigned getJITMatchQuality();
63 // Set up the pass pipeline.
64 virtual bool addInstSelector(PassManagerBase &PM, bool Fast);
65 virtual bool addPreRegAlloc(PassManagerBase &PM, bool Fast);
66 virtual bool addPostRegAlloc(PassManagerBase &PM, bool Fast);
67 virtual bool addAssemblyEmitter(PassManagerBase &PM, bool Fast,
69 virtual bool addCodeEmitter(PassManagerBase &PM, bool Fast,
70 bool DumpAsm, MachineCodeEmitter &MCE);
71 virtual bool addSimpleCodeEmitter(PassManagerBase &PM, bool Fast,
72 bool DumpAsm, MachineCodeEmitter &MCE);
75 /// X86_32TargetMachine - X86 32-bit target machine.
77 class X86_32TargetMachine : public X86TargetMachine {
79 X86_32TargetMachine(const Module &M, const std::string &FS);
81 static unsigned getJITMatchQuality();
82 static unsigned getModuleMatchQuality(const Module &M);
85 /// X86_64TargetMachine - X86 64-bit target machine.
87 class X86_64TargetMachine : public X86TargetMachine {
89 X86_64TargetMachine(const Module &M, const std::string &FS);
91 static unsigned getJITMatchQuality();
92 static unsigned getModuleMatchQuality(const Module &M);
95 } // End llvm namespace