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      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, StringRef TT,
     40                      StringRef CPU, StringRef FS,
     41                      Reloc::Model RM, CodeModel::Model CM);
     42 
     43   virtual const AlphaInstrInfo *getInstrInfo() const { return &InstrInfo; }
     44   virtual const TargetFrameLowering  *getFrameLowering() const {
     45     return &FrameLowering;
     46   }
     47   virtual const AlphaSubtarget   *getSubtargetImpl() const{ return &Subtarget; }
     48   virtual const AlphaRegisterInfo *getRegisterInfo() const {
     49     return &InstrInfo.getRegisterInfo();
     50   }
     51   virtual const AlphaTargetLowering* getTargetLowering() const {
     52     return &TLInfo;
     53   }
     54   virtual const AlphaSelectionDAGInfo* getSelectionDAGInfo() const {
     55     return &TSInfo;
     56   }
     57   virtual const TargetData       *getTargetData() const { return &DataLayout; }
     58 
     59   // Pass Pipeline Configuration
     60   virtual bool addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
     61   virtual bool addPreEmitPass(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
     62 };
     63 
     64 } // end namespace llvm
     65 
     66 #endif
     67