LLVM  14.0.0git
MCInstrInfo.cpp
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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"
12 
13 using namespace llvm;
14 
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 }
MI
IRTranslator LLVM IR MI
Definition: IRTranslator.cpp:103
llvm
---------------------— PointerInfo ------------------------------------—
Definition: AllocatorList.h:23
llvm::MCInst
Instances of this class represent a single low-level machine instruction.
Definition: MCInst.h:184
MCInstrInfo.h
MCInst.h
MCSubtargetInfo.h
llvm::MCInstrInfo::getDeprecatedInfo
bool getDeprecatedInfo(MCInst &MI, const MCSubtargetInfo &STI, std::string &Info) const
Returns true if a certain instruction is deprecated and if so returns the reason in Info.
Definition: MCInstrInfo.cpp:15
Info
Analysis containing CSE Info
Definition: CSEInfo.cpp:27
llvm::MCSubtargetInfo
Generic base class for all target subtargets.
Definition: MCSubtargetInfo.h:75