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/Target/TargetSelectionDAGInfo.h"
21 #include "llvm/IR/DataLayout.h"
22 #include "llvm/Target/TargetMachine.h"
23 #include "llvm/Target/TargetSubtargetInfo.h"
25 #define GET_SUBTARGETINFO_HEADER
26 #include "BPFGenSubtargetInfo.inc"
31 class BPFSubtarget : public BPFGenSubtargetInfo {
32 virtual void anchor();
33 const DataLayout DL; // Calculates type size & alignment
34 BPFInstrInfo InstrInfo;
35 BPFFrameLowering FrameLowering;
36 BPFTargetLowering TLInfo;
37 TargetSelectionDAGInfo TSInfo;
40 // This constructor initializes the data members to match that
41 // of the specified triple.
42 BPFSubtarget(const std::string &TT, const std::string &CPU,
43 const std::string &FS, const TargetMachine &TM);
45 // ParseSubtargetFeatures - Parses features string setting specified
46 // subtarget options. Definition of function is auto generated by tblgen.
47 void ParseSubtargetFeatures(StringRef CPU, StringRef FS);
49 const BPFInstrInfo *getInstrInfo() const override { return &InstrInfo; }
50 const BPFFrameLowering *getFrameLowering() const override {
51 return &FrameLowering;
53 const BPFTargetLowering *getTargetLowering() const override {
56 const TargetSelectionDAGInfo *getSelectionDAGInfo() const override {
59 const TargetRegisterInfo *getRegisterInfo() const override {
60 return &InstrInfo.getRegisterInfo();
62 const DataLayout *getDataLayout() const override { return &DL; }
64 } // End llvm namespace