lib/Target/Alpha/AlphaTargetMachine.h

   1 //===-- AlphaTargetMachine.h - Define TargetMachine for Alpha ---*- C++ -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 // This file declares the Alpha-specific subclass of TargetMachine.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #ifndef ALPHA_TARGETMACHINE_H
  15 #define ALPHA_TARGETMACHINE_H
  16
  17 #include "AlphaInstrInfo.h"
  18 #include "AlphaISelLowering.h"
  19 #include "AlphaFrameLowering.h"
  20 #include "AlphaSelectionDAGInfo.h"
  21 #include "AlphaSubtarget.h"
  22 #include "llvm/Target/TargetMachine.h"
  23 #include "llvm/Target/TargetData.h"
  24 #include "llvm/Target/TargetFrameLowering.h"
  25
  26 namespace llvm {
  27
  28 class GlobalValue;
  29
  30 class AlphaTargetMachine : public LLVMTargetMachine {
  31   const TargetData DataLayout;       // Calculates type size & alignment
  32   AlphaInstrInfo InstrInfo;
  33   AlphaFrameLowering FrameLowering;
  34   AlphaSubtarget Subtarget;
  35   AlphaTargetLowering TLInfo;
  36   AlphaSelectionDAGInfo TSInfo;
  37
  38 public:
  39   AlphaTargetMachine(const Target &T, const std::string &TT,
  40                      const std::string &CPU, const std::string &FS);
  41
  42   virtual const AlphaInstrInfo *getInstrInfo() const { return &InstrInfo; }
  43   virtual const TargetFrameLowering  *getFrameLowering() const {
  44     return &FrameLowering;
  45   }
  46   virtual const AlphaSubtarget   *getSubtargetImpl() const{ return &Subtarget; }
  47   virtual const AlphaRegisterInfo *getRegisterInfo() const {
  48     return &InstrInfo.getRegisterInfo();
  49   }
  50   virtual const AlphaTargetLowering* getTargetLowering() const {
  51     return &TLInfo;
  52   }
  53   virtual const AlphaSelectionDAGInfo* getSelectionDAGInfo() const {
  54     return &TSInfo;
  55   }
  56   virtual const TargetData       *getTargetData() const { return &DataLayout; }
  57
  58   // Pass Pipeline Configuration
  59   virtual bool addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
  60   virtual bool addPreEmitPass(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
  61 };
  62
  63 } // end namespace llvm
  64
  65 #endif