llvm-6502/lib/Target/PIC16/PIC16TargetMachine.h

//===-- PIC16TargetMachine.h - Define TargetMachine for PIC16 ---*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file declares the PIC16 specific subclass of TargetMachine.
//
//===----------------------------------------------------------------------===//


#ifndef PIC16_TARGETMACHINE_H
#define PIC16_TARGETMACHINE_H

#include "PIC16InstrInfo.h"
#include "PIC16ISelLowering.h"
#include "PIC16RegisterInfo.h"
#include "PIC16Subtarget.h"
#include "llvm/Target/TargetData.h"
#include "llvm/Target/TargetFrameInfo.h"
#include "llvm/Target/TargetMachine.h"

namespace llvm {

/// PIC16TargetMachine
///
class PIC16TargetMachine : public LLVMTargetMachine {
  PIC16Subtarget        Subtarget;
  const TargetData      DataLayout;       // Calculates type size & alignment
  PIC16InstrInfo        InstrInfo;
  PIC16TargetLowering   TLInfo;

  // PIC16 does not have any call stack frame, therefore not having 
  // any PIC16 specific FrameInfo class.
  TargetFrameInfo       FrameInfo;

public:
  PIC16TargetMachine(const Target &T, const std::string &TT,
                     const std::string &FS, bool Cooper = false);

  virtual const TargetFrameInfo *getFrameInfo() const { return &FrameInfo; }
  virtual const PIC16InstrInfo *getInstrInfo() const  { return &InstrInfo; }
  virtual const TargetData *getTargetData() const     { return &DataLayout;}
  virtual const PIC16Subtarget *getSubtargetImpl() const { return &Subtarget; }
 
  virtual const PIC16RegisterInfo *getRegisterInfo() const { 
    return &(InstrInfo.getRegisterInfo()); 
  }

  virtual PIC16TargetLowering *getTargetLowering() const { 
    return const_cast<PIC16TargetLowering*>(&TLInfo); 
  }

  virtual bool addInstSelector(PassManagerBase &PM,
                               CodeGenOpt::Level OptLevel);
  virtual bool addPreEmitPass(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
}; // PIC16TargetMachine.

} // end namespace llvm

#endif