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 
28 namespace llvm {
29 class StringRef;
30 
31 class BPFSubtarget : public BPFGenSubtargetInfo {
32   virtual void anchor();
33   BPFInstrInfo InstrInfo;
34   BPFFrameLowering FrameLowering;
35   BPFTargetLowering TLInfo;
36   SelectionDAGTargetInfo TSInfo;
37 
38 public:
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 
getInstrInfo()48   const BPFInstrInfo *getInstrInfo() const override { return &InstrInfo; }
getFrameLowering()49   const BPFFrameLowering *getFrameLowering() const override {
50     return &FrameLowering;
51   }
getTargetLowering()52   const BPFTargetLowering *getTargetLowering() const override {
53     return &TLInfo;
54   }
getSelectionDAGInfo()55   const SelectionDAGTargetInfo *getSelectionDAGInfo() const override {
56     return &TSInfo;
57   }
getRegisterInfo()58   const TargetRegisterInfo *getRegisterInfo() const override {
59     return &InstrInfo.getRegisterInfo();
60   }
61 };
62 } // End llvm namespace
63 
64 #endif
65