llvm/lib/Target/ARC/ARCSubtarget.h

   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