| // Copyright (c) 2018, 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.ir.optimize.peepholes; |
| |
| import com.android.tools.r8.ir.code.Instruction; |
| import java.util.List; |
| import java.util.function.Predicate; |
| |
| public class Wildcard implements PeepholeExpression { |
| |
| private final Predicate<Instruction> predicate; |
| private int index = -1; |
| |
| public Wildcard(Predicate<Instruction> predicate) { |
| this.predicate = predicate; |
| } |
| |
| @Override |
| public Predicate<Instruction> getPredicate() { |
| return predicate; |
| } |
| |
| @Override |
| public int getMin() { |
| return 0; |
| } |
| |
| @Override |
| public int getMax() { |
| return Integer.MAX_VALUE; |
| } |
| |
| @Override |
| public void setIndex(int index) { |
| assert this.index == -1; |
| this.index = index; |
| } |
| |
| public List<Instruction> get(Match match) { |
| return match.instructions.get(index); |
| } |
| } |