LLVM API Documentation

AlphaTargetMachine.h

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00001 //===-- AlphaTargetMachine.h - Define TargetMachine for Alpha ---*- 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 Alpha-specific subclass of TargetMachine.
00011 //
00012 //===----------------------------------------------------------------------===//
00013 
00014 #ifndef ALPHA_TARGETMACHINE_H
00015 #define ALPHA_TARGETMACHINE_H
00016 
00017 #include "llvm/Target/TargetMachine.h"
00018 #include "llvm/Target/TargetData.h"
00019 #include "llvm/Target/TargetFrameInfo.h"
00020 #include "llvm/PassManager.h"
00021 #include "AlphaInstrInfo.h"
00022 #include "AlphaJITInfo.h"
00023 #include "AlphaSubtarget.h"
00024 
00025 namespace llvm {
00026 
00027 class GlobalValue;
00028 
00029 class AlphaTargetMachine : public TargetMachine {
00030   const TargetData DataLayout;       // Calculates type size & alignment
00031   AlphaInstrInfo InstrInfo;
00032   TargetFrameInfo FrameInfo;
00033   AlphaJITInfo JITInfo;
00034   AlphaSubtarget Subtarget;
00035   
00036 public:
00037   AlphaTargetMachine(const Module &M, const std::string &FS);
00038 
00039   virtual const AlphaInstrInfo *getInstrInfo() const { return &InstrInfo; }
00040   virtual const TargetFrameInfo  *getFrameInfo() const { return &FrameInfo; }
00041   virtual const TargetSubtarget  *getSubtargetImpl() const{ return &Subtarget; }
00042   virtual const MRegisterInfo *getRegisterInfo() const {
00043     return &InstrInfo.getRegisterInfo();
00044   }
00045   virtual const TargetData       *getTargetData() const { return &DataLayout; }
00046   virtual TargetJITInfo* getJITInfo() {
00047     return &JITInfo;
00048   }
00049 
00050   static unsigned getJITMatchQuality();
00051 
00052   virtual bool addPassesToEmitMachineCode(FunctionPassManager &PM,
00053                                           MachineCodeEmitter &MCE);
00054 
00055   virtual bool addPassesToEmitFile(PassManager &PM, std::ostream &Out,
00056                                    CodeGenFileType FileType, bool Fast);
00057 
00058   static unsigned getModuleMatchQuality(const Module &M);
00059 };
00060 
00061 } // end namespace llvm
00062 
00063 #endif