LLVM  10.0.0svn
ARCRegisterInfo.h
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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 
17 
18 #define GET_REGINFO_HEADER
19 #include "ARCGenRegisterInfo.inc"
20 
21 namespace llvm {
22 
23 class TargetInstrInfo;
24 
26 public:
28 
29  /// Code Generation virtual methods...
30 
31  const MCPhysReg *getCalleeSavedRegs(const MachineFunction *MF) const override;
32 
33  BitVector getReservedRegs(const MachineFunction &MF) const override;
34 
35  bool requiresRegisterScavenging(const MachineFunction &MF) const override;
36 
37  bool trackLivenessAfterRegAlloc(const MachineFunction &MF) const override;
38 
39  bool useFPForScavengingIndex(const MachineFunction &MF) const override;
40 
42  unsigned FIOperandNum,
43  RegScavenger *RS = nullptr) const override;
44 
46  CallingConv::ID CC) const override;
47 
48  // Debug information queries.
49  Register getFrameRegister(const MachineFunction &MF) const override;
50 
51  //! Return whether to emit frame moves
52  static bool needsFrameMoves(const MachineFunction &MF);
53 };
54 
55 } // end namespace llvm
56 
57 #endif // LLVM_LIB_TARGET_ARC_ARCREGISTERINFO_H
This class represents lattice values for constants.
Definition: AllocatorList.h:23
bool trackLivenessAfterRegAlloc(const MachineFunction &MF) const override
BitVector getReservedRegs(const MachineFunction &MF) const override
bool useFPForScavengingIndex(const MachineFunction &MF) const override
uint16_t MCPhysReg
An unsigned integer type large enough to represent all physical registers, but not necessarily virtua...
static bool needsFrameMoves(const MachineFunction &MF)
Return whether to emit frame moves.
Register getFrameRegister(const MachineFunction &MF) const override
const uint32_t * getCallPreservedMask(const MachineFunction &MF, CallingConv::ID CC) const override
void eliminateFrameIndex(MachineBasicBlock::iterator II, int SPAdj, unsigned FIOperandNum, RegScavenger *RS=nullptr) const override
bool requiresRegisterScavenging(const MachineFunction &MF) const override
const MCPhysReg * getCalleeSavedRegs(const MachineFunction *MF) const override
Code Generation virtual methods...
Wrapper class representing virtual and physical registers.
Definition: Register.h:18