1 | //===- ARCRegisterInfo.h - ARC 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 ARC implementation of the MRegisterInfo class. |
10 | // |
11 | //===----------------------------------------------------------------------===// |
12 | |
13 | #ifndef LLVM_LIB_TARGET_ARC_ARCREGISTERINFO_H |
14 | #define LLVM_LIB_TARGET_ARC_ARCREGISTERINFO_H |
15 | |
16 | #include "llvm/CodeGen/TargetRegisterInfo.h" |
17 | |
18 | #define |
19 | #include "ARCGenRegisterInfo.inc" |
20 | |
21 | namespace llvm { |
22 | |
23 | class TargetInstrInfo; |
24 | class ARCSubtarget; |
25 | |
26 | struct ARCRegisterInfo : public ARCGenRegisterInfo { |
27 | const ARCSubtarget &ST; |
28 | |
29 | public: |
30 | ARCRegisterInfo(const ARCSubtarget &); |
31 | |
32 | /// Code Generation virtual methods... |
33 | |
34 | const MCPhysReg *getCalleeSavedRegs(const MachineFunction *MF) const override; |
35 | |
36 | BitVector getReservedRegs(const MachineFunction &MF) const override; |
37 | |
38 | bool requiresRegisterScavenging(const MachineFunction &MF) const override; |
39 | |
40 | bool useFPForScavengingIndex(const MachineFunction &MF) const override; |
41 | |
42 | bool eliminateFrameIndex(MachineBasicBlock::iterator II, int SPAdj, |
43 | unsigned FIOperandNum, |
44 | RegScavenger *RS = nullptr) const override; |
45 | |
46 | const uint32_t *getCallPreservedMask(const MachineFunction &MF, |
47 | CallingConv::ID CC) const override; |
48 | |
49 | // Debug information queries. |
50 | Register getFrameRegister(const MachineFunction &MF) const override; |
51 | |
52 | //! Return whether to emit frame moves |
53 | static bool needsFrameMoves(const MachineFunction &MF); |
54 | }; |
55 | |
56 | } // end namespace llvm |
57 | |
58 | #endif // LLVM_LIB_TARGET_ARC_ARCREGISTERINFO_H |
59 | |