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. |
10 | // |
11 | //===----------------------------------------------------------------------===// |
12 | |
13 | #ifndef LLVM_LIB_TARGET_CSKY_CSKYREGISTERINFO_H |
14 | #define LLVM_LIB_TARGET_CSKY_CSKYREGISTERINFO_H |
15 | |
16 | #include "llvm/CodeGen/TargetRegisterInfo.h" |
17 | |
18 | #define |
19 | #include "CSKYGenRegisterInfo.inc" |
20 | |
21 | namespace llvm { |
22 | class CSKYInstrInfo; |
23 | |
24 | class CSKYRegisterInfo : public CSKYGenRegisterInfo { |
25 | public: |
26 | CSKYRegisterInfo(); |
27 | |
28 | const uint32_t *getCallPreservedMask(const MachineFunction &MF, |
29 | CallingConv::ID id) const override; |
30 | const uint32_t *getNoPreservedMask() const override; |
31 | |
32 | BitVector getReservedRegs(const MachineFunction &MF) const override; |
33 | |
34 | Register getFrameRegister(const MachineFunction &MF) const override; |
35 | |
36 | const MCPhysReg *getCalleeSavedRegs(const MachineFunction *MF) const override; |
37 | |
38 | bool eliminateFrameIndex(MachineBasicBlock::iterator MI, int SPAdj, |
39 | unsigned FIOperandNum, |
40 | RegScavenger *RS) const override; |
41 | |
42 | bool requiresFrameIndexScavenging(const MachineFunction &MF) const override { |
43 | return true; |
44 | } |
45 | |
46 | bool requiresRegisterScavenging(const MachineFunction &MF) const override { |
47 | return true; |
48 | } |
49 | |
50 | bool useFPForScavengingIndex(const MachineFunction &MF) const override { |
51 | return false; |
52 | } |
53 | }; |
54 | |
55 | } // namespace llvm |
56 | |
57 | #endif // LLVM_LIB_TARGET_CSKY_CSKYREGISTERINFO_H |
58 | |