blob: 54741fdd686ddeed9de2a91e7754f39d7c92251f [file] [log] [blame]
//===- 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 "llvm/MC/MCInst.h"
#include "llvm/MC/MCInstrDesc.h"
#include "llvm/MC/MCInstrInfo.h"
#include <cstdint>
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 {
if (Inst.getNumOperands() == 0 ||
Info->get(Inst.getOpcode()).OpInfo[0].OperandType != MCOI::OPERAND_PCREL)
return false;
int64_t Imm = Inst.getOperand(0).getImm();
Target = Addr+Size+Imm;
return true;
}
Optional<uint64_t>
MCInstrAnalysis::evaluateMemoryOperandAddress(const MCInst &Inst, uint64_t Addr,
uint64_t Size) const {
return None;
}