1 //===- MCInstrAnalysis.cpp - InstrDesc target hooks -----------------------===// 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/MCInstrAnalysis.h" 10 11 #include "llvm/ADT/APInt.h" 12 #include <cstdint> 13 14 namespace llvm { 15 class MCSubtargetInfo; 16 } 17 18 using namespace llvm; 19 20 bool MCInstrAnalysis::clearsSuperRegisters(const MCRegisterInfo &MRI, 21 const MCInst &Inst, 22 APInt &Writes) const { 23 Writes.clearAllBits(); 24 return false; 25 } 26 27 bool MCInstrAnalysis::evaluateBranch(const MCInst & /*Inst*/, uint64_t /*Addr*/, 28 uint64_t /*Size*/, 29 uint64_t & /*Target*/) const { 30 return false; 31 } 32 33 Optional<uint64_t> MCInstrAnalysis::evaluateMemoryOperandAddress( 34 const MCInst &Inst, const MCSubtargetInfo *STI, uint64_t Addr, 35 uint64_t Size) const { 36 return None; 37 } 38 39 Optional<uint64_t> 40 MCInstrAnalysis::getMemoryOperandRelocationOffset(const MCInst &Inst, 41 uint64_t Size) const { 42 return None; 43 } 44