LLVM  11.0.0git
Mips16RegisterInfo.h
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1 //===-- Mips16RegisterInfo.h - Mips16 Register Information ------*- 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 Mips16 implementation of the TargetRegisterInfo class.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #ifndef LLVM_LIB_TARGET_MIPS_MIPS16REGISTERINFO_H
14 #define LLVM_LIB_TARGET_MIPS_MIPS16REGISTERINFO_H
15 
16 #include "MipsRegisterInfo.h"
17 
18 namespace llvm {
19 
21 public:
23 
24  bool requiresRegisterScavenging(const MachineFunction &MF) const override;
25 
26  bool requiresFrameIndexScavenging(const MachineFunction &MF) const override;
27 
28  bool useFPForScavengingIndex(const MachineFunction &MF) const override;
29 
33  const TargetRegisterClass *RC,
34  Register Reg) const override;
35 
36  const TargetRegisterClass *intRegClass(unsigned Size) const override;
37 
38 private:
39  void eliminateFI(MachineBasicBlock::iterator II, unsigned OpNo,
40  int FrameIndex, uint64_t StackSize,
41  int64_t SPOffset) const override;
42 };
43 
44 } // end namespace llvm
45 
46 #endif
This class represents lattice values for constants.
Definition: AllocatorList.h:23
bool useFPForScavengingIndex(const MachineFunction &MF) const override
bool requiresFrameIndexScavenging(const MachineFunction &MF) const override
unsigned Reg
bool requiresRegisterScavenging(const MachineFunction &MF) const override
MachineBasicBlock & MBB
const TargetRegisterClass * intRegClass(unsigned Size) const override
Return GPR register class.
MachineInstrBuilder & UseMI
bool saveScavengerRegister(MachineBasicBlock &MBB, MachineBasicBlock::iterator I, MachineBasicBlock::iterator &UseMI, const TargetRegisterClass *RC, Register Reg) const override
#define I(x, y, z)
Definition: MD5.cpp:59
uint32_t Size
Definition: Profile.cpp:46
Wrapper class representing virtual and physical registers.
Definition: Register.h:19