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1//===-- MSP430Subtarget.h - Define Subtarget for the MSP430 ----*- 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-exception6//7//===----------------------------------------------------------------------===//8//9// This file declares the MSP430 specific subclass of TargetSubtargetInfo.10//11//===----------------------------------------------------------------------===//12 13#ifndef LLVM_LIB_TARGET_MSP430_MSP430SUBTARGET_H14#define LLVM_LIB_TARGET_MSP430_MSP430SUBTARGET_H15 16#include "MSP430FrameLowering.h"17#include "MSP430ISelLowering.h"18#include "MSP430InstrInfo.h"19#include "MSP430RegisterInfo.h"20#include "llvm/CodeGen/TargetSubtargetInfo.h"21#include "llvm/IR/DataLayout.h"22#include <string>23 24#define GET_SUBTARGETINFO_HEADER25#include "MSP430GenSubtargetInfo.inc"26 27namespace llvm {28class StringRef;29 30class MSP430Subtarget : public MSP430GenSubtargetInfo {31public:32 enum HWMultEnum {33 NoHWMult, HWMult16, HWMult32, HWMultF534 };35 36private:37 virtual void anchor();38 bool ExtendedInsts = false;39 HWMultEnum HWMultMode = NoHWMult;40 MSP430InstrInfo InstrInfo;41 MSP430TargetLowering TLInfo;42 std::unique_ptr<const SelectionDAGTargetInfo> TSInfo;43 MSP430FrameLowering FrameLowering;44 45public:46 /// This constructor initializes the data members to match that47 /// of the specified triple.48 ///49 MSP430Subtarget(const Triple &TT, const std::string &CPU,50 const std::string &FS, const TargetMachine &TM);51 52 ~MSP430Subtarget() override;53 54 MSP430Subtarget &initializeSubtargetDependencies(StringRef CPU, StringRef FS);55 56 /// ParseSubtargetFeatures - Parses features string setting specified57 /// subtarget options. Definition of function is auto generated by tblgen.58 void ParseSubtargetFeatures(StringRef CPU, StringRef TuneCPU, StringRef FS);59 60 bool hasHWMult16() const { return HWMultMode == HWMult16; }61 bool hasHWMult32() const { return HWMultMode == HWMult32; }62 bool hasHWMultF5() const { return HWMultMode == HWMultF5; }63 64 const TargetFrameLowering *getFrameLowering() const override {65 return &FrameLowering;66 }67 const MSP430InstrInfo *getInstrInfo() const override { return &InstrInfo; }68 const MSP430RegisterInfo *getRegisterInfo() const override {69 return &getInstrInfo()->getRegisterInfo();70 }71 72 const MSP430TargetLowering *getTargetLowering() const override {73 return &TLInfo;74 }75 76 const SelectionDAGTargetInfo *getSelectionDAGInfo() const override;77 78 void initLibcallLoweringInfo(LibcallLoweringInfo &Info) const override;79};80} // End llvm namespace81 82#endif // LLVM_TARGET_MSP430_SUBTARGET_H83