| // 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.MultiClassSameReferencePolicy; |
| import com.android.tools.r8.shaking.AppInfoWithLiveness; |
| |
| public class AllInstantiatedOrUninstantiated extends MultiClassSameReferencePolicy<Boolean> { |
| |
| private final AppView<AppInfoWithLiveness> appView; |
| |
| public AllInstantiatedOrUninstantiated(AppView<AppInfoWithLiveness> appView, Mode mode) { |
| // This policy is only used to prevent that horizontal class merging regresses the |
| // uninstantiated type optimization. Since there won't be any IR processing after the final |
| // round of horizontal class merging, there is no need to use the policy. |
| assert mode.isInitial(); |
| this.appView = appView; |
| } |
| |
| @Override |
| public Boolean getMergeKey(DexProgramClass clazz) { |
| return appView.appInfo().isInstantiatedDirectlyOrIndirectly(clazz); |
| } |
| |
| @Override |
| public String getName() { |
| return "AllInstantiatedOrUninstantiated"; |
| } |
| } |