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//===- ARCRegisterInfo.h - ARC Register Information Impl --------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file contains the ARC implementation of the MRegisterInfo class.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_ARC_ARCREGISTERINFO_H
#define LLVM_LIB_TARGET_ARC_ARCREGISTERINFO_H
#include "llvm/CodeGen/TargetRegisterInfo.h"
#define GET_REGINFO_HEADER
#include "ARCGenRegisterInfo.inc"
namespace llvm {
class TargetInstrInfo;
class ARCSubtarget;
struct ARCRegisterInfo : public ARCGenRegisterInfo {
const ARCSubtarget &ST;
public:
ARCRegisterInfo(const ARCSubtarget &);
/// 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 useFPForScavengingIndex(const MachineFunction &MF) const override;
bool eliminateFrameIndex(MachineBasicBlock::iterator II, int SPAdj,
unsigned FIOperandNum,
RegScavenger *RS = nullptr) const override;
const uint32_t *getCallPreservedMask(const MachineFunction &MF,
CallingConv::ID CC) const override;
// Debug information queries.
Register getFrameRegister(const MachineFunction &MF) const override;
//! Return whether to emit frame moves
static bool needsFrameMoves(const MachineFunction &MF);
};
} // end namespace llvm
#endif // LLVM_LIB_TARGET_ARC_ARCREGISTERINFO_H
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