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 // ARC processor extensions 39 bool Xnorm = false; 40 41 public: 42 /// This constructor initializes the data members to match that 43 /// of the specified triple. 44 ARCSubtarget(const Triple &TT, const std::string &CPU, const std::string &FS, 45 const TargetMachine &TM); 46 47 /// Parses features string setting specified subtarget options. 48 /// Definition of function is auto generated by tblgen. 49 void ParseSubtargetFeatures(StringRef CPU, StringRef TuneCPU, StringRef FS); 50 51 const ARCInstrInfo *getInstrInfo() const override { return &InstrInfo; } 52 const ARCFrameLowering *getFrameLowering() const override { 53 return &FrameLowering; 54 } 55 const ARCTargetLowering *getTargetLowering() const override { 56 return &TLInfo; 57 } 58 const ARCRegisterInfo *getRegisterInfo() const override { 59 return &InstrInfo.getRegisterInfo(); 60 } 61 const SelectionDAGTargetInfo *getSelectionDAGInfo() const override { 62 return &TSInfo; 63 } 64 65 bool hasNorm() const { return Xnorm; } 66 }; 67 68 } // end namespace llvm 69 70 #endif // LLVM_LIB_TARGET_ARC_ARCSUBTARGET_H 71