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//===-- XCoreRegisterInfo.h - XCore Register Information Impl ---*- C++ -*-===//
//                     The LLVM Compiler Infrastructure
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// This file contains the XCore implementation of the MRegisterInfo class.


#include "llvm/Target/TargetRegisterInfo.h"

#include "XCoreGenRegisterInfo.inc"

namespace llvm {

class TargetInstrInfo;

struct XCoreRegisterInfo : public XCoreGenRegisterInfo {

  /// Code Generation virtual methods...

  const MCPhysReg *getCalleeSavedRegs(const MachineFunction *MF) const override;

  BitVector getReservedRegs(const MachineFunction &MF) const override;
  bool requiresRegisterScavenging(const MachineFunction &MF) const override;

  bool trackLivenessAfterRegAlloc(const MachineFunction &MF) const override;

  bool useFPForScavengingIndex(const MachineFunction &MF) const override;

  void eliminateFrameIndex(MachineBasicBlock::iterator II,
                           int SPAdj, unsigned FIOperandNum,
                           RegScavenger *RS = nullptr) const override;

  // Debug information queries.
  unsigned getFrameRegister(const MachineFunction &MF) const override;

  //! Return whether to emit frame moves
  static bool needsFrameMoves(const MachineFunction &MF);

} // end namespace llvm