| //===-- BPFInstrInfo.h - BPF Instruction Information ------------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file contains the BPF implementation of the TargetInstrInfo class. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_LIB_TARGET_BPF_BPFINSTRINFO_H |
| #define LLVM_LIB_TARGET_BPF_BPFINSTRINFO_H |
| |
| #include "BPFRegisterInfo.h" |
| #include "llvm/CodeGen/TargetInstrInfo.h" |
| |
| #define GET_INSTRINFO_HEADER |
| #include "BPFGenInstrInfo.inc" |
| |
| namespace llvm { |
| |
| class BPFInstrInfo : public BPFGenInstrInfo { |
| const BPFRegisterInfo RI; |
| |
| public: |
| BPFInstrInfo(); |
| |
| const BPFRegisterInfo &getRegisterInfo() const { return RI; } |
| |
| void copyPhysReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator I, |
| const DebugLoc &DL, MCRegister DestReg, MCRegister SrcReg, |
| bool KillSrc) const override; |
| |
| bool expandPostRAPseudo(MachineInstr &MI) const override; |
| |
| void storeRegToStackSlot(MachineBasicBlock &MBB, |
| MachineBasicBlock::iterator MBBI, Register SrcReg, |
| bool isKill, int FrameIndex, |
| const TargetRegisterClass *RC, |
| const TargetRegisterInfo *TRI) const override; |
| |
| void loadRegFromStackSlot(MachineBasicBlock &MBB, |
| MachineBasicBlock::iterator MBBI, Register DestReg, |
| int FrameIndex, const TargetRegisterClass *RC, |
| const TargetRegisterInfo *TRI) const override; |
| bool analyzeBranch(MachineBasicBlock &MBB, MachineBasicBlock *&TBB, |
| MachineBasicBlock *&FBB, |
| SmallVectorImpl<MachineOperand> &Cond, |
| bool AllowModify) const override; |
| |
| unsigned removeBranch(MachineBasicBlock &MBB, |
| int *BytesRemoved = nullptr) const override; |
| unsigned insertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB, |
| MachineBasicBlock *FBB, ArrayRef<MachineOperand> Cond, |
| const DebugLoc &DL, |
| int *BytesAdded = nullptr) const override; |
| private: |
| void expandMEMCPY(MachineBasicBlock::iterator) const; |
| |
| }; |
| } |
| |
| #endif |