//===-- HexagonSubtarget.h - Define Subtarget for the Hexagon ---*- C++ -*-===// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // // This file declares the Hexagon specific subclass of TargetSubtarget. // //===----------------------------------------------------------------------===// #ifndef LLVM_LIB_TARGET_HEXAGON_HEXAGONSUBTARGET_H #define LLVM_LIB_TARGET_HEXAGON_HEXAGONSUBTARGET_H #include "HexagonFrameLowering.h" #include "HexagonInstrInfo.h" #include "HexagonISelLowering.h" #include "HexagonSelectionDAGInfo.h" #include "llvm/IR/DataLayout.h" #include "llvm/Target/TargetMachine.h" #include "llvm/Target/TargetSubtargetInfo.h" #include <string> #define GET_SUBTARGETINFO_HEADER #include "HexagonGenSubtargetInfo.inc" #define Hexagon_SMALL_DATA_THRESHOLD 8 #define Hexagon_SLOTS 4 namespace llvm { class HexagonSubtarget : public HexagonGenSubtargetInfo { virtual void anchor(); bool UseMemOps; bool ModeIEEERndNear; public: enum HexagonArchEnum { V1, V2, V3, V4, V5 }; HexagonArchEnum HexagonArchVersion; private: std::string CPUString; const DataLayout DL; // Calculates type size & alignment. HexagonInstrInfo InstrInfo; HexagonTargetLowering TLInfo; HexagonSelectionDAGInfo TSInfo; HexagonFrameLowering FrameLowering; InstrItineraryData InstrItins; public: HexagonSubtarget(StringRef TT, StringRef CPU, StringRef FS, const TargetMachine &TM); /// getInstrItins - Return the instruction itineraries based on subtarget /// selection. const InstrItineraryData *getInstrItineraryData() const override { return &InstrItins; } const HexagonInstrInfo *getInstrInfo() const override { return &InstrInfo; } const HexagonRegisterInfo *getRegisterInfo() const override { return &InstrInfo.getRegisterInfo(); } const HexagonTargetLowering *getTargetLowering() const override { return &TLInfo; } const HexagonFrameLowering *getFrameLowering() const override { return &FrameLowering; } const HexagonSelectionDAGInfo *getSelectionDAGInfo() const override { return &TSInfo; } const DataLayout *getDataLayout() const override { return &DL; } HexagonSubtarget &initializeSubtargetDependencies(StringRef CPU, StringRef FS); /// ParseSubtargetFeatures - Parses features string setting specified /// subtarget options. Definition of function is auto generated by tblgen. void ParseSubtargetFeatures(StringRef CPU, StringRef FS); bool hasV2TOps () const { return HexagonArchVersion >= V2; } bool hasV2TOpsOnly () const { return HexagonArchVersion == V2; } bool hasV3TOps () const { return HexagonArchVersion >= V3; } bool hasV3TOpsOnly () const { return HexagonArchVersion == V3; } bool hasV4TOps () const { return HexagonArchVersion >= V4; } bool hasV4TOpsOnly () const { return HexagonArchVersion == V4; } bool useMemOps () const { return HexagonArchVersion >= V4 && UseMemOps; } bool hasV5TOps () const { return HexagonArchVersion >= V5; } bool hasV5TOpsOnly () const { return HexagonArchVersion == V5; } bool modeIEEERndNear () const { return ModeIEEERndNear; } bool isSubtargetV2() const { return HexagonArchVersion == V2;} const std::string &getCPUString () const { return CPUString; } // Threshold for small data section unsigned getSmallDataThreshold() const { return Hexagon_SMALL_DATA_THRESHOLD; } const HexagonArchEnum &getHexagonArchVersion() const { return HexagonArchVersion; } }; } // end namespace llvm #endif