llvm/lib/Target/BPF/BPFRegisterInfo.h

   1 //===-- BPFRegisterInfo.h - BPF 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 BPF implementation of the TargetRegisterInfo class.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #ifndef LLVM_LIB_TARGET_BPF_BPFREGISTERINFO_H
  14 #define LLVM_LIB_TARGET_BPF_BPFREGISTERINFO_H
  15
  16 #include "llvm/CodeGen/TargetRegisterInfo.h"
  17
  18 #define GET_REGINFO_HEADER
  19 #include "BPFGenRegisterInfo.inc"
  20
  21 namespace llvm {
  22
  23 struct BPFRegisterInfo : public BPFGenRegisterInfo {
  24
  25   BPFRegisterInfo();
  26
  27   const MCPhysReg *getCalleeSavedRegs(const MachineFunction *MF) const override;
  28
  29   const uint32_t *getCallPreservedMask(const MachineFunction &MF,
  30                                        CallingConv::ID) const override;
  31
  32   BitVector getReservedRegs(const MachineFunction &MF) const override;
  33
  34   bool eliminateFrameIndex(MachineBasicBlock::iterator MI, int SPAdj,
  35                            unsigned FIOperandNum,
  36                            RegScavenger *RS = nullptr) const override;
  37
  38   Register getFrameRegister(const MachineFunction &MF) const override;
  39 };
  40 }
  41
  42 #endif