xref: /freebsd/contrib/llvm-project/llvm/lib/MC/MCInstrInfo.cpp (revision e25152834cdf3b353892835a4f3b157e066a8ed4)
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 
getDeprecatedInfo(MCInst & MI,const MCSubtargetInfo & STI,std::string & Info) const15 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 }
28