xref: /freebsd-src/contrib/llvm-project/llvm/lib/Target/LoongArch/LoongArchAsmPrinter.cpp (revision 753f127f3ace09432b2baeffd71a308760641a62)

//===- LoongArchAsmPrinter.cpp - 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
//
//===----------------------------------------------------------------------===//
//
// This file contains a printer that converts from our internal representation
// of machine-dependent LLVM code to GAS-format LoongArch assembly language.
//
//===----------------------------------------------------------------------===//

#include "LoongArchAsmPrinter.h"
#include "LoongArch.h"
#include "LoongArchTargetMachine.h"
#include "TargetInfo/LoongArchTargetInfo.h"
#include "llvm/CodeGen/AsmPrinter.h"
#include "llvm/MC/TargetRegistry.h"

using namespace llvm;

#define DEBUG_TYPE "loongarch-asm-printer"

// Simple pseudo-instructions have their lowering (with expansion to real
// instructions) auto-generated.
#include "LoongArchGenMCPseudoLowering.inc"

void LoongArchAsmPrinter::emitInstruction(const MachineInstr *MI) {
  LoongArch_MC::verifyInstructionPredicates(
      MI->getOpcode(), getSubtargetInfo().getFeatureBits());

  // Do any auto-generated pseudo lowerings.
  if (emitPseudoExpansionLowering(*OutStreamer, MI))
    return;

  MCInst TmpInst;
  if (!lowerLoongArchMachineInstrToMCInst(MI, TmpInst, *this))
    EmitToStreamer(*OutStreamer, TmpInst);
}

bool LoongArchAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
  AsmPrinter::runOnMachineFunction(MF);
  return true;
}

// Force static initialization.
extern "C" LLVM_EXTERNAL_VISIBILITY void LLVMInitializeLoongArchAsmPrinter() {
  RegisterAsmPrinter<LoongArchAsmPrinter> X(getTheLoongArch32Target());
  RegisterAsmPrinter<LoongArchAsmPrinter> Y(getTheLoongArch64Target());
}