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 bool Xnorm = false; 33 34 virtual void anchor(); 35 ARCInstrInfo InstrInfo; 36 ARCFrameLowering FrameLowering; 37 ARCTargetLowering TLInfo; 38 SelectionDAGTargetInfo TSInfo; 39 40 public: 41 /// This constructor initializes the data members to match that 42 /// of the specified triple. 43 ARCSubtarget(const Triple &TT, const std::string &CPU, const std::string &FS, 44 const TargetMachine &TM); 45 46 /// Parses features string setting specified subtarget options. 47 /// Definition of function is auto generated by tblgen. 48 void ParseSubtargetFeatures(StringRef CPU, StringRef TuneCPU, StringRef FS); 49 50 const ARCInstrInfo *getInstrInfo() const override { return &InstrInfo; } 51 const ARCFrameLowering *getFrameLowering() const override { 52 return &FrameLowering; 53 } 54 const ARCTargetLowering *getTargetLowering() const override { 55 return &TLInfo; 56 } 57 const ARCRegisterInfo *getRegisterInfo() const override { 58 return &InstrInfo.getRegisterInfo(); 59 } 60 const SelectionDAGTargetInfo *getSelectionDAGInfo() const override { 61 return &TSInfo; 62 } 63 64 bool hasNorm() const { return Xnorm; } 65 }; 66 67 } // end namespace llvm 68 69 #endif // LLVM_LIB_TARGET_ARC_ARCSUBTARGET_H 70