xref: /freebsd/contrib/llvm-project/llvm/lib/MC/MCInstrAnalysis.cpp (revision bdd1243d)

//===- MCInstrAnalysis.cpp - InstrDesc target hooks -----------------------===//
//
// 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/MCInstrAnalysis.h"

#include "llvm/ADT/APInt.h"
#include <cstdint>

namespace llvm {
class MCSubtargetInfo;
}

using namespace llvm;

bool MCInstrAnalysis::clearsSuperRegisters(const MCRegisterInfo &MRI,
                                           const MCInst &Inst,
                                           APInt &Writes) const {
  Writes.clearAllBits();
  return false;
}

bool MCInstrAnalysis::evaluateBranch(const MCInst & /*Inst*/, uint64_t /*Addr*/,
                                     uint64_t /*Size*/,
                                     uint64_t & /*Target*/) const {
  return false;
}

std::optional<uint64_t> MCInstrAnalysis::evaluateMemoryOperandAddress(
    const MCInst &Inst, const MCSubtargetInfo *STI, uint64_t Addr,
    uint64_t Size) const {
  return std::nullopt;
}

std::optional<uint64_t>
MCInstrAnalysis::getMemoryOperandRelocationOffset(const MCInst &Inst,
                                                  uint64_t Size) const {
  return std::nullopt;
}