| // Copyright (c) 2019, 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.inliner; |
| |
| import com.android.tools.r8.graph.DexType; |
| import com.android.tools.r8.ir.code.IRCode; |
| import com.android.tools.r8.ir.code.Instruction; |
| import com.android.tools.r8.ir.code.Monitor; |
| import com.android.tools.r8.ir.code.Value; |
| import java.util.Set; |
| |
| public class InlinerUtils { |
| |
| public static void collectAllMonitorEnterValues( |
| IRCode code, |
| Set<DexType> constantMonitorEnterValues, |
| Set<Value> nonConstantMonitorEnterValues) { |
| assert code.metadata().mayHaveMonitorInstruction(); |
| for (Monitor monitor : code.<Monitor>instructions(Instruction::isMonitorEnter)) { |
| Value monitorEnterValue = monitor.object().getAliasedValue(); |
| addMonitorEnterValue( |
| monitorEnterValue, constantMonitorEnterValues, nonConstantMonitorEnterValues); |
| } |
| } |
| |
| public static void addMonitorEnterValue( |
| Value monitorEnterValue, |
| Set<DexType> constantMonitorEnterValues, |
| Set<Value> nonConstantMonitorEnterValues) { |
| assert !monitorEnterValue.hasAliasedValue(); |
| if (monitorEnterValue.isPhi() || !monitorEnterValue.definition.isConstClass()) { |
| nonConstantMonitorEnterValues.add(monitorEnterValue); |
| } else { |
| constantMonitorEnterValues.add(monitorEnterValue.definition.asConstClass().getValue()); |
| } |
| } |
| } |