llvm/lib/MC/MCInstrInfo.cpp

   1 //===- lib/MC/MCInstrInfo.cpp - Target Instruction Info -------------------===//
   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 "llvm/MC/MCInstrInfo.h"
  10 #include "llvm/MC/MCInst.h"
  11 #include "llvm/MC/MCSubtargetInfo.h"
  12
  13 using namespace llvm;
  14
  15 bool MCInstrInfo::getDeprecatedInfo(MCInst &MI, const MCSubtargetInfo &STI,
  16                                     std::string &Info) const {
  17   unsigned Opcode = MI.getOpcode();
  18   if (ComplexDeprecationInfos && ComplexDeprecationInfos[Opcode])
  19     return ComplexDeprecationInfos[Opcode](MI, STI, Info);
  20   if (DeprecatedFeatures && DeprecatedFeatures[Opcode] != uint8_t(-1U) &&
  21       STI.getFeatureBits()[DeprecatedFeatures[Opcode]]) {
  22     // FIXME: it would be nice to include the subtarget feature here.
  23     Info = "deprecated";
  24     return true;
  25   }
  26   return false;
  27 }