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//===-- Nios2RegisterInfo.h - Nios2 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 Nios2 implementation of the TargetRegisterInfo class.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_NIOS2_NIOS2REGISTERINFO_H
#define LLVM_LIB_TARGET_NIOS2_NIOS2REGISTERINFO_H
#include "Nios2.h"
#include "llvm/CodeGen/TargetRegisterInfo.h"
#define GET_REGINFO_HEADER
#include "Nios2GenRegisterInfo.inc"
namespace llvm {
class Nios2Subtarget;
class TargetInstrInfo;
class Type;
class Nios2RegisterInfo : public Nios2GenRegisterInfo {
protected:
const Nios2Subtarget &Subtarget;
public:
Nios2RegisterInfo(const Nios2Subtarget &Subtarget);
const MCPhysReg *getCalleeSavedRegs(const MachineFunction *MF) const override;
BitVector getReservedRegs(const MachineFunction &MF) const override;
/// Stack Frame Processing Methods
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 GPR register class.
const TargetRegisterClass *intRegClass(unsigned Size) const;
};
} // end namespace llvm
#endif