1 //===-- BPFSubtarget.h - Define Subtarget for the BPF -----------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file declares the BPF specific subclass of TargetSubtargetInfo.
12 //===----------------------------------------------------------------------===//
14 #ifndef LLVM_LIB_TARGET_BPF_BPFSUBTARGET_H
15 #define LLVM_LIB_TARGET_BPF_BPFSUBTARGET_H
17 #include "BPFFrameLowering.h"
18 #include "BPFISelLowering.h"
19 #include "BPFInstrInfo.h"
20 #include "llvm/CodeGen/SelectionDAGTargetInfo.h"
21 #include "llvm/CodeGen/TargetSubtargetInfo.h"
22 #include "llvm/IR/DataLayout.h"
23 #include "llvm/Target/TargetMachine.h"
25 #define GET_SUBTARGETINFO_HEADER
26 #include "BPFGenSubtargetInfo.inc"
31 class BPFSubtarget : public BPFGenSubtargetInfo {
32 virtual void anchor();
33 BPFInstrInfo InstrInfo;
34 BPFFrameLowering FrameLowering;
35 BPFTargetLowering TLInfo;
36 SelectionDAGTargetInfo TSInfo;
39 void initializeEnvironment();
40 void initSubtargetFeatures(StringRef CPU, StringRef FS);
47 // whether the cpu supports jmp ext
51 // This constructor initializes the data members to match that
52 // of the specified triple.
53 BPFSubtarget(const Triple &TT, const std::string &CPU, const std::string &FS,
54 const TargetMachine &TM);
56 BPFSubtarget &initializeSubtargetDependencies(StringRef CPU, StringRef FS);
58 // ParseSubtargetFeatures - Parses features string setting specified
59 // subtarget options. Definition of function is auto generated by tblgen.
60 void ParseSubtargetFeatures(StringRef CPU, StringRef FS);
61 bool getHasJmpExt() const { return HasJmpExt; }
63 const BPFInstrInfo *getInstrInfo() const override { return &InstrInfo; }
64 const BPFFrameLowering *getFrameLowering() const override {
65 return &FrameLowering;
67 const BPFTargetLowering *getTargetLowering() const override {
70 const SelectionDAGTargetInfo *getSelectionDAGInfo() const override {
73 const TargetRegisterInfo *getRegisterInfo() const override {
74 return &InstrInfo.getRegisterInfo();
77 } // End llvm namespace