MSP430Subtarget.h
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//===-- MSP430Subtarget.h - Define Subtarget for the MSP430 ----*- C++ -*--===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file declares the MSP430 specific subclass of TargetSubtargetInfo.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_MSP430_MSP430SUBTARGET_H
#define LLVM_LIB_TARGET_MSP430_MSP430SUBTARGET_H
#include "MSP430FrameLowering.h"
#include "MSP430ISelLowering.h"
#include "MSP430InstrInfo.h"
#include "MSP430RegisterInfo.h"
#include "llvm/CodeGen/SelectionDAGTargetInfo.h"
#include "llvm/CodeGen/TargetSubtargetInfo.h"
#include "llvm/IR/DataLayout.h"
#include <string>
#define GET_SUBTARGETINFO_HEADER
#include "MSP430GenSubtargetInfo.inc"
namespace llvm {
class StringRef;
class MSP430Subtarget : public MSP430GenSubtargetInfo {
public:
enum HWMultEnum {
NoHWMult, HWMult16, HWMult32, HWMultF5
};
private:
virtual void anchor();
bool ExtendedInsts = false;
HWMultEnum HWMultMode = NoHWMult;
MSP430FrameLowering FrameLowering;
MSP430InstrInfo InstrInfo;
MSP430TargetLowering TLInfo;
SelectionDAGTargetInfo TSInfo;
public:
/// This constructor initializes the data members to match that
/// of the specified triple.
///
MSP430Subtarget(const Triple &TT, const std::string &CPU,
const std::string &FS, const TargetMachine &TM);
MSP430Subtarget &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 hasHWMult16() const { return HWMultMode == HWMult16; }
bool hasHWMult32() const { return HWMultMode == HWMult32; }
bool hasHWMultF5() const { return HWMultMode == HWMultF5; }
const TargetFrameLowering *getFrameLowering() const override {
return &FrameLowering;
}
const MSP430InstrInfo *getInstrInfo() const override { return &InstrInfo; }
const TargetRegisterInfo *getRegisterInfo() const override {
return &InstrInfo.getRegisterInfo();
}
const MSP430TargetLowering *getTargetLowering() const override {
return &TLInfo;
}
const SelectionDAGTargetInfo *getSelectionDAGInfo() const override {
return &TSInfo;
}
};
} // End llvm namespace
#endif // LLVM_TARGET_MSP430_SUBTARGET_H