LLVM  15.0.0git
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 class ARCSubtarget;
25 
27  const ARCSubtarget &ST;
28 
29 public:
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 
43  unsigned FIOperandNum,
44  RegScavenger *RS = nullptr) const override;
45 
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
ARCGenRegisterInfo
llvm
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:17
llvm::ARCRegisterInfo::eliminateFrameIndex
void eliminateFrameIndex(MachineBasicBlock::iterator II, int SPAdj, unsigned FIOperandNum, RegScavenger *RS=nullptr) const override
Definition: ARCRegisterInfo.cpp:162
llvm::ARCRegisterInfo::ST
const ARCSubtarget & ST
Definition: ARCRegisterInfo.h:27
llvm::ARCRegisterInfo::useFPForScavengingIndex
bool useFPForScavengingIndex(const MachineFunction &MF) const override
Definition: ARCRegisterInfo.cpp:158
llvm::ARCRegisterInfo::getFrameRegister
Register getFrameRegister(const MachineFunction &MF) const override
Definition: ARCRegisterInfo.cpp:223
llvm::ARCSubtarget
Definition: ARCSubtarget.h:31
llvm::ARCRegisterInfo::needsFrameMoves
static bool needsFrameMoves(const MachineFunction &MF)
Return whether to emit frame moves.
Definition: ARCRegisterInfo.cpp:131
llvm::ARCRegisterInfo::requiresRegisterScavenging
bool requiresRegisterScavenging(const MachineFunction &MF) const override
Definition: ARCRegisterInfo.cpp:153
llvm::BitVector
Definition: BitVector.h:75
llvm::CallingConv::ID
unsigned ID
LLVM IR allows to use arbitrary numbers as calling convention identifiers.
Definition: CallingConv.h:24
llvm::ARCRegisterInfo::ARCRegisterInfo
ARCRegisterInfo(const ARCSubtarget &)
Definition: ARCRegisterInfo.cpp:128
llvm::ARCRegisterInfo::getCalleeSavedRegs
const MCPhysReg * getCalleeSavedRegs(const MachineFunction *MF) const override
Code Generation virtual methods...
Definition: ARCRegisterInfo.cpp:136
llvm::RegScavenger
Definition: RegisterScavenging.h:34
llvm::ARCRegisterInfo::getReservedRegs
BitVector getReservedRegs(const MachineFunction &MF) const override
Definition: ARCRegisterInfo.cpp:140
llvm::MachineFunction
Definition: MachineFunction.h:257
llvm::ARCRegisterInfo::getCallPreservedMask
const uint32_t * getCallPreservedMask(const MachineFunction &MF, CallingConv::ID CC) const override
Definition: ARCRegisterInfo.cpp:229
uint32_t
llvm::Register
Wrapper class representing virtual and physical registers.
Definition: Register.h:19
uint16_t
llvm::ARCRegisterInfo
Definition: ARCRegisterInfo.h:26
llvm::MachineInstrBundleIterator< MachineInstr >
TargetRegisterInfo.h