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📄 AVR.h(1.73 KB)
📄 AVR.td(2.74 KB)
📄 AVRAsmPrinter.cpp(5.97 KB)
📄 AVRCallingConv.td(1.73 KB)
📄 AVRDevices.td(27.07 KB)
📄 AVRExpandPseudoInsts.cpp(49.61 KB)
📄 AVRFrameLowering.cpp(17.89 KB)
📄 AVRFrameLowering.h(1.91 KB)
📄 AVRISelDAGToDAG.cpp(16.71 KB)
📄 AVRISelLowering.cpp(67.66 KB)
📄 AVRISelLowering.h(6.98 KB)
📄 AVRInstrFormats.td(16.05 KB)
📄 AVRInstrInfo.cpp(16.86 KB)
📄 AVRInstrInfo.h(4.25 KB)
📄 AVRInstrInfo.td(66.4 KB)
📄 AVRMCInstLower.cpp(3.57 KB)
📄 AVRMCInstLower.h(1.08 KB)
📄 AVRMachineFunctionInfo.h(3.11 KB)
📄 AVRRegisterInfo.cpp(9.99 KB)
📄 AVRRegisterInfo.h(2.29 KB)
📄 AVRRegisterInfo.td(8.92 KB)
📄 AVRRelaxMemOperations.cpp(3.9 KB)
📄 AVRSelectionDAGInfo.h(868 B)
📄 AVRSubtarget.cpp(1.98 KB)
📄 AVRSubtarget.h(4.21 KB)
📄 AVRTargetMachine.cpp(3.86 KB)
📄 AVRTargetMachine.h(1.67 KB)
📄 AVRTargetObjectFile.cpp(1.4 KB)
📄 AVRTargetObjectFile.h(1019 B)
📁 AsmParser
📁 Disassembler
📁 MCTargetDesc
📄 README.md(341 B)
📄 TODO.md(186 B)
📁 TargetInfo

Editing: AVRSubtarget.h

//===-- AVRSubtarget.h - Define Subtarget for the AVR -----------*- 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 AVR specific subclass of TargetSubtargetInfo.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_AVR_SUBTARGET_H
#define LLVM_AVR_SUBTARGET_H

#include "llvm/CodeGen/TargetSubtargetInfo.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/Target/TargetMachine.h"

#include "AVRFrameLowering.h"
#include "AVRISelLowering.h"
#include "AVRInstrInfo.h"
#include "AVRSelectionDAGInfo.h"

#define GET_SUBTARGETINFO_HEADER
#include "AVRGenSubtargetInfo.inc"

namespace llvm {

/// A specific AVR target MCU.
class AVRSubtarget : public AVRGenSubtargetInfo {
public:
  //! Creates an AVR subtarget.
  //! \param TT  The target triple.
  //! \param CPU The CPU to target.
  //! \param FS  The feature string.
  //! \param TM  The target machine.
  AVRSubtarget(const Triple &TT, const std::string &CPU, const std::string &FS,
               const AVRTargetMachine &TM);

const AVRInstrInfo *getInstrInfo() const override { return &InstrInfo; }
  const TargetFrameLowering *getFrameLowering() const override { return &FrameLowering; }
  const AVRTargetLowering *getTargetLowering() const override { return &TLInfo; }
  const AVRSelectionDAGInfo *getSelectionDAGInfo() const override { return &TSInfo; }
  const AVRRegisterInfo *getRegisterInfo() const override { return &InstrInfo.getRegisterInfo(); }

/// Parses a subtarget feature string, setting appropriate options.
  /// \note Definition of function is auto generated by `tblgen`.
  void ParseSubtargetFeatures(StringRef CPU, StringRef FS);

AVRSubtarget &initializeSubtargetDependencies(StringRef CPU, StringRef FS,
                                                const TargetMachine &TM);

// Subtarget feature getters.
  // See AVR.td for details.
  bool hasSRAM() const { return m_hasSRAM; }
  bool hasJMPCALL() const { return m_hasJMPCALL; }
  bool hasIJMPCALL() const { return m_hasIJMPCALL; }
  bool hasEIJMPCALL() const { return m_hasEIJMPCALL; }
  bool hasADDSUBIW() const { return m_hasADDSUBIW; }
  bool hasSmallStack() const { return m_hasSmallStack; }
  bool hasMOVW() const { return m_hasMOVW; }
  bool hasLPM() const { return m_hasLPM; }
  bool hasLPMX() const { return m_hasLPMX; }
  bool hasELPM() const { return m_hasELPM; }
  bool hasELPMX() const { return m_hasELPMX; }
  bool hasSPM() const { return m_hasSPM; }
  bool hasSPMX() const { return m_hasSPMX; }
  bool hasDES() const { return m_hasDES; }
  bool supportsRMW() const { return m_supportsRMW; }
  bool supportsMultiplication() const { return m_supportsMultiplication; }
  bool hasBREAK() const { return m_hasBREAK; }
  bool hasTinyEncoding() const { return m_hasTinyEncoding; }
  bool hasMemMappedGPR() const { return m_hasMemMappedGPR; }

uint8_t getIORegisterOffset() const { return hasMemMappedGPR() ? 0x20 : 0x0; }

/// Gets the ELF architecture for the e_flags field
  /// of an ELF object file.
  unsigned getELFArch() const {
    assert(ELFArch != 0 &&
           "every device must have an associate ELF architecture");
    return ELFArch;
  }

private:

/// The ELF e_flags architecture.
  unsigned ELFArch;

// Subtarget feature settings
  // See AVR.td for details.
  bool m_hasSRAM;
  bool m_hasJMPCALL;
  bool m_hasIJMPCALL;
  bool m_hasEIJMPCALL;
  bool m_hasADDSUBIW;
  bool m_hasSmallStack;
  bool m_hasMOVW;
  bool m_hasLPM;
  bool m_hasLPMX;
  bool m_hasELPM;
  bool m_hasELPMX;
  bool m_hasSPM;
  bool m_hasSPMX;
  bool m_hasDES;
  bool m_supportsRMW;
  bool m_supportsMultiplication;
  bool m_hasBREAK;
  bool m_hasTinyEncoding;
  bool m_hasMemMappedGPR;

// Dummy member, used by FeatureSet's. We cannot have a SubtargetFeature with
  // no variable, so we instead bind pseudo features to this variable.
  bool m_FeatureSetDummy;

AVRInstrInfo InstrInfo;
  AVRFrameLowering FrameLowering;
  AVRTargetLowering TLInfo;
  AVRSelectionDAGInfo TSInfo;
};

} // end namespace llvm

#endif // LLVM_AVR_SUBTARGET_H

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Editing: AVRSubtarget.h

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