1//===- LanaiRegisterInfo.h - Lanai 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 Lanai implementation of the TargetRegisterInfo class.
10//
11//===----------------------------------------------------------------------===//
12
13#ifndef LLVM_LIB_TARGET_LANAI_LANAIREGISTERINFO_H
14#define LLVM_LIB_TARGET_LANAI_LANAIREGISTERINFO_H
15
16#include "llvm/CodeGen/TargetRegisterInfo.h"
17
18#define GET_REGINFO_HEADER
19#include "LanaiGenRegisterInfo.inc"
20
21namespace llvm {
22
23struct LanaiRegisterInfo : public LanaiGenRegisterInfo {
24  LanaiRegisterInfo();
25
26  const uint32_t *getCallPreservedMask(const MachineFunction &MF,
27                                       CallingConv::ID) const override;
28
29  // Code Generation virtual methods.
30  const uint16_t *
31  getCalleeSavedRegs(const MachineFunction *MF = nullptr) const override;
32
33  BitVector getReservedRegs(const MachineFunction &MF) const override;
34
35  bool requiresRegisterScavenging(const MachineFunction &MF) const override;
36
37  void eliminateFrameIndex(MachineBasicBlock::iterator II, int SPAdj,
38                           unsigned FIOperandNum,
39                           RegScavenger *RS = nullptr) const override;
40
41  // Debug information queries.
42  unsigned getRARegister() const;
43  Register getFrameRegister(const MachineFunction &MF) const override;
44  Register getBaseRegister() const;
45  bool hasBasePointer(const MachineFunction &MF) const;
46
47  int getDwarfRegNum(unsigned RegNum, bool IsEH) const;
48};
49
50} // end namespace llvm
51
52#endif // LLVM_LIB_TARGET_LANAI_LANAIREGISTERINFO_H
53