llvm-6502/lib/Target/ARM/AsmPrinter/ARMInstPrinter.cpp

//===-- ARMInstPrinter.cpp - Convert ARM MCInst to assembly syntax --------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This class prints an ARM MCInst to a .s file.
//
//===----------------------------------------------------------------------===//

#define DEBUG_TYPE "asm-printer"
#include "ARMInstPrinter.h"
#include "llvm/MC/MCInst.h"
//#include "llvm/MC/MCAsmInfo.h"
//#include "llvm/MC/MCExpr.h"
//#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/FormattedStream.h"
#include "ARMGenInstrNames.inc"
using namespace llvm;

// Include the auto-generated portion of the assembly writer.
#define MachineInstr MCInst
#define ARMAsmPrinter ARMInstPrinter  // FIXME: REMOVE.
#define NO_ASM_WRITER_BOILERPLATE
#include "ARMGenAsmWriter.inc"
#undef MachineInstr
#undef ARMAsmPrinter

void ARMInstPrinter::printInst(const MCInst *MI) { printInstruction(MI); }

void ARMInstPrinter::printOperand(const MCInst *MI, unsigned OpNo,
                                  const char *Modifier) {
  assert((Modifier == 0 || Modifier[0] == 0) && "Cannot print modifiers");
  
  const MCOperand &Op = MI->getOperand(OpNo);
  if (Op.isReg()) {
    O << getRegisterName(Op.getReg());
  } else if (Op.isImm()) {
    O << '#' << Op.getImm();
  } else {
    assert(Op.isExpr() && "unknown operand kind in printOperand");
    assert(0 && "UNIMP");
    //O << '$';
    //Op.getExpr()->print(O, &MAI);
  }
}