| // Copyright (c) 2020, 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.horizontalclassmerging.policies; |
| |
| import com.android.tools.r8.graph.AppView; |
| import com.android.tools.r8.graph.DexProgramClass; |
| import com.android.tools.r8.horizontalclassmerging.HorizontalClassMerger.Mode; |
| import com.android.tools.r8.horizontalclassmerging.SingleClassPolicy; |
| import com.android.tools.r8.shaking.RuntimeTypeCheckInfo; |
| import com.android.tools.r8.synthesis.SyntheticItems; |
| import com.android.tools.r8.utils.InternalOptions; |
| |
| public class NoDirectRuntimeTypeChecks extends SingleClassPolicy { |
| |
| private final InternalOptions options; |
| private final RuntimeTypeCheckInfo runtimeTypeCheckInfo; |
| private final SyntheticItems syntheticItems; |
| |
| public NoDirectRuntimeTypeChecks(AppView<?> appView, Mode mode) { |
| this(appView, mode, null); |
| } |
| |
| public NoDirectRuntimeTypeChecks( |
| AppView<?> appView, Mode mode, RuntimeTypeCheckInfo runtimeTypeCheckInfo) { |
| assert runtimeTypeCheckInfo != null || mode.isFinal(); |
| this.options = appView.options(); |
| this.runtimeTypeCheckInfo = runtimeTypeCheckInfo; |
| this.syntheticItems = appView.getSyntheticItems(); |
| } |
| |
| @Override |
| public boolean canMerge(DexProgramClass clazz) { |
| if (runtimeTypeCheckInfo == null) { |
| assert syntheticItems.isSyntheticClass(clazz) |
| : "Expected synthetic, got: " + clazz.getTypeName(); |
| return true; |
| } |
| return !runtimeTypeCheckInfo.isRuntimeCheckType(clazz); |
| } |
| |
| @Override |
| public String getName() { |
| return "NoDirectRuntimeTypeChecks"; |
| } |
| |
| @Override |
| public boolean shouldSkipPolicy() { |
| return options.horizontalClassMergerOptions().isIgnoreRuntimeTypeChecksForTestingEnabled(); |
| } |
| } |