llvm-mirror/lib/Target/SparcV8/SparcV8RegisterInfo.h

//===- SparcV8RegisterInfo.h - SparcV8 Register Information Impl -*- C++ -*-==//
//
//                     The LLVM Compiler Infrastructure
//
// This file was developed by the LLVM research group and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains the SparcV8 implementation of the MRegisterInfo class.
//
//===----------------------------------------------------------------------===//

#ifndef SPARCV8REGISTERINFO_H
#define SPARCV8REGISTERINFO_H

#include "llvm/Target/MRegisterInfo.h"
#include "SparcV8GenRegisterInfo.h.inc"

namespace llvm {

class Type;

struct SparcV8RegisterInfo : public SparcV8GenRegisterInfo {
  SparcV8RegisterInfo();
  const TargetRegisterClass* getRegClassForType(const Type* Ty) const;

  /// Code Generation virtual methods...
  void storeRegToStackSlot(MachineBasicBlock &MBB,
                           MachineBasicBlock::iterator MBBI,
                           unsigned SrcReg, int FrameIndex) const;

  void loadRegFromStackSlot(MachineBasicBlock &MBB,
                            MachineBasicBlock::iterator MBBI,
                            unsigned DestReg, int FrameIndex) const;

  void copyRegToReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI,
                    unsigned DestReg, unsigned SrcReg,
                    const TargetRegisterClass *RC) const;

  void eliminateCallFramePseudoInstr(MachineFunction &MF,
                                     MachineBasicBlock &MBB,
                                     MachineBasicBlock::iterator I) const;

  void eliminateFrameIndex(MachineBasicBlock::iterator II) const;

  void processFunctionBeforeFrameFinalized(MachineFunction &MF) const;

  void emitPrologue(MachineFunction &MF) const;
  void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
};

} // end namespace llvm

#endif