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 {
19
20class Mips16RegisterInfo : public MipsRegisterInfo {
21public:
22 Mips16RegisterInfo();
23
24 bool requiresRegisterScavenging(const MachineFunction &MF) const override;
25
26 bool requiresFrameIndexScavenging(const MachineFunction &MF) const override;
27
28 bool useFPForScavengingIndex(const MachineFunction &MF) const override;
29
30 bool saveScavengerRegister(MachineBasicBlock &MBB,
31 MachineBasicBlock::iterator I,
32 MachineBasicBlock::iterator &UseMI,
33 const TargetRegisterClass *RC,
34 Register Reg) const override;
35
36 const TargetRegisterClass *intRegClass(unsigned Size) const override;
37
38private:
39 void eliminateFI(MachineBasicBlock::iterator II, unsigned OpNo,
40 int FrameIndex, uint64_t StackSize,
41 int64_t SPOffset) const override;
42};
43
44} // end namespace llvm
45
46#endif
47

source code of llvm/lib/Target/Mips/Mips16RegisterInfo.h