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 43