1 //===-- BPFInstrInfo.h - BPF Instruction Information ------------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This file contains the BPF implementation of the TargetInstrInfo class. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #ifndef LLVM_LIB_TARGET_BPF_BPFINSTRINFO_H 15 #define LLVM_LIB_TARGET_BPF_BPFINSTRINFO_H 16 17 #include "BPFRegisterInfo.h" 18 #include "llvm/Target/TargetInstrInfo.h" 19 20 #define GET_INSTRINFO_HEADER 21 #include "BPFGenInstrInfo.inc" 22 23 namespace llvm { 24 25 class BPFInstrInfo : public BPFGenInstrInfo { 26 const BPFRegisterInfo RI; 27 28 public: 29 BPFInstrInfo(); 30 getRegisterInfo()31 const BPFRegisterInfo &getRegisterInfo() const { return RI; } 32 33 void copyPhysReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator I, 34 DebugLoc DL, unsigned DestReg, unsigned SrcReg, 35 bool KillSrc) const override; 36 37 void storeRegToStackSlot(MachineBasicBlock &MBB, 38 MachineBasicBlock::iterator MBBI, unsigned SrcReg, 39 bool isKill, int FrameIndex, 40 const TargetRegisterClass *RC, 41 const TargetRegisterInfo *TRI) const override; 42 43 void loadRegFromStackSlot(MachineBasicBlock &MBB, 44 MachineBasicBlock::iterator MBBI, unsigned DestReg, 45 int FrameIndex, const TargetRegisterClass *RC, 46 const TargetRegisterInfo *TRI) const override; 47 bool AnalyzeBranch(MachineBasicBlock &MBB, MachineBasicBlock *&TBB, 48 MachineBasicBlock *&FBB, 49 SmallVectorImpl<MachineOperand> &Cond, 50 bool AllowModify) const override; 51 52 unsigned RemoveBranch(MachineBasicBlock &MBB) const override; 53 unsigned InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB, 54 MachineBasicBlock *FBB, ArrayRef<MachineOperand> Cond, 55 DebugLoc DL) const override; 56 }; 57 } 58 59 #endif 60