1//===-- Mips16RegisterInfo.h - Mips16 Register Information ------*- 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 Mips16 implementation of the TargetRegisterInfo class.
10//
11//===----------------------------------------------------------------------===//
12
13#ifndef LLVM_LIB_TARGET_MIPS_MIPS16REGISTERINFO_H
14#define LLVM_LIB_TARGET_MIPS_MIPS16REGISTERINFO_H
15
16#include "MipsRegisterInfo.h"
17
18namespace llvm {
19class Mips16RegisterInfo : public MipsRegisterInfo {
20public:
21 explicit Mips16RegisterInfo(const MipsSubtarget &STI);
22
23 bool requiresRegisterScavenging(const MachineFunction &MF) const override;
24
25 bool requiresFrameIndexScavenging(const MachineFunction &MF) const override;
26
27 bool useFPForScavengingIndex(const MachineFunction &MF) const override;
28
29 bool saveScavengerRegister(MachineBasicBlock &MBB,
30 MachineBasicBlock::iterator I,
31 MachineBasicBlock::iterator &UseMI,
32 const TargetRegisterClass *RC,
33 Register Reg) const override;
34
35 const TargetRegisterClass *intRegClass(unsigned Size) const override;
36
37private:
38 void eliminateFI(MachineBasicBlock::iterator II, unsigned OpNo,
39 int FrameIndex, uint64_t StackSize,
40 int64_t SPOffset) const override;
41};
42
43} // end namespace llvm
44
45#endif
46