36 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			36 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C++
		
	
	
	
| //===- MCInstrAnalysis.cpp - InstrDesc target hooks -----------------------===//
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| //
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| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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| // See https://llvm.org/LICENSE.txt for license information.
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| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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| //
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| //===----------------------------------------------------------------------===//
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| 
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| #include "llvm/MC/MCInstrAnalysis.h"
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| 
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| #include "llvm/ADT/APInt.h"
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| #include "llvm/MC/MCInst.h"
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| #include "llvm/MC/MCInstrDesc.h"
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| #include "llvm/MC/MCInstrInfo.h"
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| #include <cstdint>
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| 
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| using namespace llvm;
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| 
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| bool MCInstrAnalysis::clearsSuperRegisters(const MCRegisterInfo &MRI,
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|                                            const MCInst &Inst,
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|                                            APInt &Writes) const {
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|   Writes.clearAllBits();
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|   return false;
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| }
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| 
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| bool MCInstrAnalysis::evaluateBranch(const MCInst &Inst, uint64_t Addr,
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|                                      uint64_t Size, uint64_t &Target) const {
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|   if (Inst.getNumOperands() == 0 ||
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|       Info->get(Inst.getOpcode()).OpInfo[0].OperandType != MCOI::OPERAND_PCREL)
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|     return false;
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| 
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|   int64_t Imm = Inst.getOperand(0).getImm();
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|   Target = Addr+Size+Imm;
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|   return true;
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| }
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