1 //===-- CSKYRegisterInfo.h - CSKY Register Information Impl ---*- C++ -*---===//
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
7 //===----------------------------------------------------------------------===//
9 // This file contains the CSKY implementation of the TargetRegisterInfo class.
11 //===----------------------------------------------------------------------===//
13 #ifndef LLVM_LIB_TARGET_CSKY_CSKYREGISTERINFO_H
14 #define LLVM_LIB_TARGET_CSKY_CSKYREGISTERINFO_H
16 #include "llvm/CodeGen/TargetRegisterInfo.h"
18 #define GET_REGINFO_HEADER
19 #include "CSKYGenRegisterInfo.inc"
24 class CSKYRegisterInfo
: public CSKYGenRegisterInfo
{
28 const uint32_t *getCallPreservedMask(const MachineFunction
&MF
,
29 CallingConv::ID id
) const override
;
30 const uint32_t *getNoPreservedMask() const override
;
32 BitVector
getReservedRegs(const MachineFunction
&MF
) const override
;
34 Register
getFrameRegister(const MachineFunction
&MF
) const override
;
36 const MCPhysReg
*getCalleeSavedRegs(const MachineFunction
*MF
) const override
;
38 bool eliminateFrameIndex(MachineBasicBlock::iterator MI
, int SPAdj
,
39 unsigned FIOperandNum
,
40 RegScavenger
*RS
) const override
;
42 bool requiresFrameIndexScavenging(const MachineFunction
&MF
) const override
{
46 bool requiresRegisterScavenging(const MachineFunction
&MF
) const override
{
50 bool useFPForScavengingIndex(const MachineFunction
&MF
) const override
{
57 #endif // LLVM_LIB_TARGET_CSKY_CSKYREGISTERINFO_H