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 | |
18 | namespace llvm { |
19 | |
20 | class Mips16RegisterInfo : public MipsRegisterInfo { |
21 | public: |
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 | |
38 | private: |
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 | |