1 //===- ARCSubtarget.h - Define Subtarget for the ARC ------------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // This file declares the ARC specific subclass of TargetSubtargetInfo. 10 // 11 //===----------------------------------------------------------------------===// 12 13 #ifndef LLVM_LIB_TARGET_ARC_ARCSUBTARGET_H 14 #define LLVM_LIB_TARGET_ARC_ARCSUBTARGET_H 15 16 #include "ARCFrameLowering.h" 17 #include "ARCISelLowering.h" 18 #include "ARCInstrInfo.h" 19 #include "llvm/CodeGen/SelectionDAGTargetInfo.h" 20 #include "llvm/CodeGen/TargetSubtargetInfo.h" 21 #include <string> 22 23 #define GET_SUBTARGETINFO_HEADER 24 #include "ARCGenSubtargetInfo.inc" 25 26 namespace llvm { 27 28 class StringRef; 29 class TargetMachine; 30 31 class ARCSubtarget : public ARCGenSubtargetInfo { 32 virtual void anchor(); 33 ARCInstrInfo InstrInfo; 34 ARCFrameLowering FrameLowering; 35 ARCTargetLowering TLInfo; 36 SelectionDAGTargetInfo TSInfo; 37 38 public: 39 /// This constructor initializes the data members to match that 40 /// of the specified triple. 41 ARCSubtarget(const Triple &TT, const std::string &CPU, const std::string &FS, 42 const TargetMachine &TM); 43 44 /// Parses features string setting specified subtarget options. 45 /// Definition of function is auto generated by tblgen. 46 void ParseSubtargetFeatures(StringRef CPU, StringRef FS); 47 48 const ARCInstrInfo *getInstrInfo() const override { return &InstrInfo; } 49 const ARCFrameLowering *getFrameLowering() const override { 50 return &FrameLowering; 51 } 52 const ARCTargetLowering *getTargetLowering() const override { 53 return &TLInfo; 54 } 55 const ARCRegisterInfo *getRegisterInfo() const override { 56 return &InstrInfo.getRegisterInfo(); 57 } 58 const SelectionDAGTargetInfo *getSelectionDAGInfo() const override { 59 return &TSInfo; 60 } 61 }; 62 63 } // end namespace llvm 64 65 #endif // LLVM_LIB_TARGET_ARC_ARCSUBTARGET_H 66