1//===-- BPFSubtarget.h - Define Subtarget for the BPF -----------*- 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 declares the BPF specific subclass of TargetSubtargetInfo. 11// 12//===----------------------------------------------------------------------===// 13 14#ifndef LLVM_LIB_TARGET_BPF_BPFSUBTARGET_H 15#define LLVM_LIB_TARGET_BPF_BPFSUBTARGET_H 16 17#include "BPFFrameLowering.h" 18#include "BPFISelLowering.h" 19#include "BPFInstrInfo.h" 20#include "llvm/CodeGen/SelectionDAGTargetInfo.h" 21#include "llvm/IR/DataLayout.h" 22#include "llvm/Target/TargetMachine.h" 23#include "llvm/Target/TargetSubtargetInfo.h" 24 25#define GET_SUBTARGETINFO_HEADER 26#include "BPFGenSubtargetInfo.inc" 27 28namespace llvm { 29class StringRef; 30 31class BPFSubtarget : public BPFGenSubtargetInfo { 32 virtual void anchor(); 33 BPFInstrInfo InstrInfo; 34 BPFFrameLowering FrameLowering; 35 BPFTargetLowering TLInfo; 36 SelectionDAGTargetInfo TSInfo; 37 38public: 39 // This constructor initializes the data members to match that 40 // of the specified triple. 41 BPFSubtarget(const Triple &TT, const std::string &CPU, const std::string &FS, 42 const TargetMachine &TM); 43 44 // ParseSubtargetFeatures - Parses features string setting specified 45 // subtarget options. Definition of function is auto generated by tblgen. 46 void ParseSubtargetFeatures(StringRef CPU, StringRef FS); 47 48 const BPFInstrInfo *getInstrInfo() const override { return &InstrInfo; } 49 const BPFFrameLowering *getFrameLowering() const override { 50 return &FrameLowering; 51 } 52 const BPFTargetLowering *getTargetLowering() const override { 53 return &TLInfo; 54 } 55 const SelectionDAGTargetInfo *getSelectionDAGInfo() const override { 56 return &TSInfo; 57 } 58 const TargetRegisterInfo *getRegisterInfo() const override { 59 return &InstrInfo.getRegisterInfo(); 60 } 61}; 62} // End llvm namespace 63 64#endif 65