[MLIR] Prevent invalid IR from being passed outside of RemoveDeadValues (#121079)
[llvm-project.git] / llvm / lib / Target / CSKY / CSKYRegisterInfo.h
blob0f2da40afbff0cb1b2776a3bd6da8cd8105527c3
1 //===-- CSKYRegisterInfo.h - CSKY 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 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"
21 namespace llvm {
22 class CSKYInstrInfo;
24 class CSKYRegisterInfo : public CSKYGenRegisterInfo {
25 public:
26 CSKYRegisterInfo();
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 {
43 return true;
46 bool requiresRegisterScavenging(const MachineFunction &MF) const override {
47 return true;
50 bool useFPForScavengingIndex(const MachineFunction &MF) const override {
51 return false;
55 } // namespace llvm
57 #endif // LLVM_LIB_TARGET_CSKY_CSKYREGISTERINFO_H