Eugene Zelenko | d3a6c89 | 2017-02-11 00:27:28 +0000 | [diff] [blame] | 1 | //===- MCInstrAnalysis.cpp - InstrDesc target hooks -----------------------===// |
Benjamin Kramer | c22d50e | 2011-08-08 18:56:44 +0000 | [diff] [blame] | 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| 10 | #include "llvm/MC/MCInstrAnalysis.h" |
Chandler Carruth | 6bda14b | 2017-06-06 11:49:48 +0000 | [diff] [blame] | 11 | #include "llvm/MC/MCInst.h" |
Eugene Zelenko | d3a6c89 | 2017-02-11 00:27:28 +0000 | [diff] [blame] | 12 | #include "llvm/MC/MCInstrDesc.h" |
| 13 | #include "llvm/MC/MCInstrInfo.h" |
| 14 | #include <cstdint> |
| 15 | |
Benjamin Kramer | c22d50e | 2011-08-08 18:56:44 +0000 | [diff] [blame] | 16 | using namespace llvm; |
| 17 | |
Ahmed Bougacha | aa79068 | 2013-05-24 01:07:04 +0000 | [diff] [blame] | 18 | bool MCInstrAnalysis::evaluateBranch(const MCInst &Inst, uint64_t Addr, |
| 19 | uint64_t Size, uint64_t &Target) const { |
Benjamin Kramer | 1223416 | 2011-09-19 17:56:00 +0000 | [diff] [blame] | 20 | if (Inst.getNumOperands() == 0 || |
| 21 | Info->get(Inst.getOpcode()).OpInfo[0].OperandType != MCOI::OPERAND_PCREL) |
Ahmed Bougacha | aa79068 | 2013-05-24 01:07:04 +0000 | [diff] [blame] | 22 | return false; |
Benjamin Kramer | c22d50e | 2011-08-08 18:56:44 +0000 | [diff] [blame] | 23 | |
| 24 | int64_t Imm = Inst.getOperand(0).getImm(); |
Ahmed Bougacha | aa79068 | 2013-05-24 01:07:04 +0000 | [diff] [blame] | 25 | Target = Addr+Size+Imm; |
| 26 | return true; |
Benjamin Kramer | c22d50e | 2011-08-08 18:56:44 +0000 | [diff] [blame] | 27 | } |