| // Copyright (c) 2016, the R8 project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| package com.android.tools.r8.code; |
| |
| import com.android.tools.r8.ir.conversion.IRBuilder; |
| |
| public class Nop extends Format10x { |
| |
| public static final int OPCODE = 0x0; |
| public static final String NAME = "Nop"; |
| public static final String SMALI_NAME = "nop"; |
| |
| Nop(int high, BytecodeStream stream) { |
| super(high, stream); |
| } |
| |
| public Nop() { |
| } |
| |
| public static Nop create(int high, BytecodeStream stream) { |
| switch (high) { |
| case 0x01: |
| return new PackedSwitchPayload(high, stream); |
| case 0x02: |
| return new SparseSwitchPayload(high, stream); |
| case 0x03: |
| return new FillArrayDataPayload(high, stream); |
| default: |
| return new Nop(high, stream); |
| } |
| } |
| |
| @Override |
| public int hashCode() { |
| return NAME.hashCode() * 7 + super.hashCode(); |
| } |
| |
| @Override |
| public String getName() { |
| return NAME; |
| } |
| |
| @Override |
| public String getSmaliName() { |
| return SMALI_NAME; |
| } |
| |
| @Override |
| public int getOpcode() { |
| return OPCODE; |
| } |
| |
| @Override |
| public void buildIR(IRBuilder builder) { |
| // The IR does not represent nops. |
| // Nops needed by dex, eg, for tight infinite loops, will be created upon conversion to dex. |
| } |
| } |