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llvm-mirror/lib/MC/MCInstrInfo.cpp
Benjamin Kramer 4c79d49be9 [MC] Move deprecation infos from MCTargetDesc to MCInstrInfo
This allows emitting it only when the feature is used by a target.
Shrinks Release+Asserts clang by 900k.
2020-03-29 21:20:40 +02:00

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//===- lib/MC/MCInstrInfo.cpp - Target Instruction Info -------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "llvm/MC/MCInstrInfo.h"
#include "llvm/MC/MCInst.h"
#include "llvm/MC/MCSubtargetInfo.h"
using namespace llvm;
bool MCInstrInfo::getDeprecatedInfo(MCInst &MI, const MCSubtargetInfo &STI,
std::string &Info) const {
unsigned Opcode = MI.getOpcode();
if (ComplexDeprecationInfos && ComplexDeprecationInfos[Opcode])
return ComplexDeprecationInfos[Opcode](MI, STI, Info);
if (DeprecatedFeatures && DeprecatedFeatures[Opcode] != uint8_t(-1U) &&
STI.getFeatureBits()[DeprecatedFeatures[Opcode]]) {
// FIXME: it would be nice to include the subtarget feature here.
Info = "deprecated";
return true;
}
return false;
}