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 GET_REGINFO_HEADER
19#include "ARCGenRegisterInfo.inc"
20
21namespace llvm {
22
23class TargetInstrInfo;
24class ARCSubtarget;
25
26struct ARCRegisterInfo : public ARCGenRegisterInfo {
27 const ARCSubtarget &ST;
28
29public:
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

source code of llvm/lib/Target/ARC/ARCRegisterInfo.h