LoongArchAsmPrinter.h

//===- LoongArchAsmPrinter.h - LoongArch LLVM Assembly Printer -*- 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
//
//===----------------------------------------------------------------------===//
//
// LoongArch Assembly printer class.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_LIB_TARGET_LOONGARCH_LOONGARCHASMPRINTER_H
#define LLVM_LIB_TARGET_LOONGARCH_LOONGARCHASMPRINTER_H

#include "LoongArchSubtarget.h"
#include "llvm/CodeGen/AsmPrinter.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/Support/Compiler.h"

namespace llvm {

class LLVM_LIBRARY_VISIBILITY LoongArchAsmPrinter : public AsmPrinter {
  const MCSubtargetInfo *STI;

public:
  explicit LoongArchAsmPrinter(TargetMachine &TM,
                               std::unique_ptr<MCStreamer> Streamer)
      : AsmPrinter(TM, std::move(Streamer)), STI(TM.getMCSubtargetInfo()) {}

  StringRef getPassName() const override {
    return "LoongArch Assembly Printer";
  }

  bool runOnMachineFunction(MachineFunction &MF) override;

  void emitInstruction(const MachineInstr *MI) override;

  bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
                       const char *ExtraCode, raw_ostream &OS) override;
  bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
                             const char *ExtraCode, raw_ostream &OS) override;

  void LowerPATCHABLE_FUNCTION_ENTER(const MachineInstr &MI);
  void LowerPATCHABLE_FUNCTION_EXIT(const MachineInstr &MI);
  void LowerPATCHABLE_TAIL_CALL(const MachineInstr &MI);
  void emitSled(const MachineInstr &MI, SledKind Kind);

  // tblgen'erated function.
  bool emitPseudoExpansionLowering(MCStreamer &OutStreamer,
                                   const MachineInstr *MI);
  // Wrapper needed for tblgenned pseudo lowering.
  bool lowerOperand(const MachineOperand &MO, MCOperand &MCOp) const {
    return lowerLoongArchMachineOperandToMCOperand(MO, MCOp, *this);
  }
};

} // end namespace llvm

#endif // LLVM_LIB_TARGET_LOONGARCH_LOONGARCHASMPRINTER_H