Home | History | Annotate | Download | only in BPF
      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 
     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