1//===- ARCRegisterInfo.h - ARC Register Information Impl --------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file contains the ARC implementation of the MRegisterInfo class.
10//
11//===----------------------------------------------------------------------===//
12
13#ifndef LLVM_LIB_TARGET_ARC_ARCREGISTERINFO_H
14#define LLVM_LIB_TARGET_ARC_ARCREGISTERINFO_H
15
16#include "llvm/CodeGen/TargetRegisterInfo.h"
17
18#define GET_REGINFO_HEADER
19#include "ARCGenRegisterInfo.inc"
20
21namespace llvm {
22
23class TargetInstrInfo;
24
25struct ARCRegisterInfo : public ARCGenRegisterInfo {
26public:
27  ARCRegisterInfo();
28
29  /// Code Generation virtual methods...
30
31  const MCPhysReg *getCalleeSavedRegs(const MachineFunction *MF) const override;
32
33  BitVector getReservedRegs(const MachineFunction &MF) const override;
34
35  bool requiresRegisterScavenging(const MachineFunction &MF) const override;
36
37  bool trackLivenessAfterRegAlloc(const MachineFunction &MF) const override;
38
39  bool useFPForScavengingIndex(const MachineFunction &MF) const override;
40
41  void eliminateFrameIndex(MachineBasicBlock::iterator II, int SPAdj,
42                           unsigned FIOperandNum,
43                           RegScavenger *RS = nullptr) const override;
44
45  const uint32_t *getCallPreservedMask(const MachineFunction &MF,
46                                       CallingConv::ID CC) const override;
47
48  // Debug information queries.
49  Register getFrameRegister(const MachineFunction &MF) const override;
50
51  //! Return whether to emit frame moves
52  static bool needsFrameMoves(const MachineFunction &MF);
53};
54
55} // end namespace llvm
56
57#endif // LLVM_LIB_TARGET_ARC_ARCREGISTERINFO_H
58