llvm/lib/Target/SystemZ/MCTargetDesc/SystemZHLASMInstPrinter.cpp

   1 //=- SystemZHLASMInstPrinter.cpp - Convert SystemZ MCInst to HLASM assembly -=//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #include "SystemZHLASMInstPrinter.h"
  10 #include "llvm/MC/MCInst.h"
  11 #include "llvm/MC/MCRegister.h"
  12 #include "llvm/Support/raw_ostream.h"
  13
  14 using namespace llvm;
  15
  16 #define DEBUG_TYPE "asm-printer"
  17
  18 #include "SystemZGenHLASMAsmWriter.inc"
  19
  20 void SystemZHLASMInstPrinter::printFormattedRegName(const MCAsmInfo *MAI,
  21                                                     MCRegister Reg,
  22                                                     raw_ostream &O) {
  23   const char *RegName = getRegisterName(Reg);
  24   // Skip register prefix so that only register number is left
  25   assert(isalpha(RegName[0]) && isdigit(RegName[1]));
  26   markup(O, Markup::Register) << (RegName + 1);
  27 }
  28
  29 void SystemZHLASMInstPrinter::printInst(const MCInst *MI, uint64_t Address,
  30                                         StringRef Annot,
  31                                         const MCSubtargetInfo &STI,
  32                                         raw_ostream &O) {
  33   std::string Str;
  34   raw_string_ostream RSO(Str);
  35   printInstruction(MI, Address, RSO);
  36   // Eat the first tab character and replace it with a space since it is
  37   // hardcoded in AsmWriterEmitter::EmitPrintInstruction
  38   // TODO: introduce a line prefix member to AsmWriter to avoid this problem
  39   if (!Str.empty() && Str.front() == '\t')
  40     O << " " << Str.substr(1, Str.length());
  41   else
  42     O << Str;
  43
  44   printAnnotation(O, Annot);
  45 }