LLVM API Documentation
00001 //===-- X86TargetMachine.h - Define TargetMachine for the X86 ---*- C++ -*-===// 00002 // 00003 // The LLVM Compiler Infrastructure 00004 // 00005 // This file was developed by the LLVM research group and is distributed under 00006 // the University of Illinois Open Source License. See LICENSE.TXT for details. 00007 // 00008 //===----------------------------------------------------------------------===// 00009 // 00010 // This file declares the X86 specific subclass of TargetMachine. 00011 // 00012 //===----------------------------------------------------------------------===// 00013 00014 #ifndef X86TARGETMACHINE_H 00015 #define X86TARGETMACHINE_H 00016 00017 #include "llvm/Target/TargetMachine.h" 00018 #include "llvm/Target/TargetFrameInfo.h" 00019 #include "llvm/PassManager.h" 00020 #include "X86InstrInfo.h" 00021 #include "X86JITInfo.h" 00022 00023 namespace llvm { 00024 class IntrinsicLowering; 00025 00026 class X86TargetMachine : public TargetMachine { 00027 X86InstrInfo InstrInfo; 00028 TargetFrameInfo FrameInfo; 00029 X86JITInfo JITInfo; 00030 public: 00031 X86TargetMachine(const Module &M, IntrinsicLowering *IL); 00032 00033 virtual const X86InstrInfo *getInstrInfo() const { return &InstrInfo; } 00034 virtual const TargetFrameInfo *getFrameInfo() const { return &FrameInfo; } 00035 virtual TargetJITInfo *getJITInfo() { return &JITInfo; } 00036 virtual const MRegisterInfo *getRegisterInfo() const { 00037 return &InstrInfo.getRegisterInfo(); 00038 } 00039 00040 /// addPassesToEmitMachineCode - Add passes to the specified pass manager to 00041 /// get machine code emitted. This uses a MachineCodeEmitter object to handle 00042 /// actually outputting the machine code and resolving things like the address 00043 /// of functions. This method should returns true if machine code emission is 00044 /// not supported. 00045 /// 00046 virtual bool addPassesToEmitMachineCode(FunctionPassManager &PM, 00047 MachineCodeEmitter &MCE); 00048 00049 virtual bool addPassesToEmitAssembly(PassManager &PM, std::ostream &Out); 00050 00051 static unsigned getModuleMatchQuality(const Module &M); 00052 static unsigned getJITMatchQuality(); 00053 }; 00054 } // End llvm namespace 00055 00056 #endif