| // 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.DexProgramClass; |
| import com.android.tools.r8.horizontalclassmerging.SingleClassPolicy; |
| import com.android.tools.r8.shaking.ClassMergingEnqueuerExtension; |
| |
| public class NoRuntimeTypeChecks extends SingleClassPolicy { |
| private final ClassMergingEnqueuerExtension classMergingEnqueuerExtension; |
| |
| public NoRuntimeTypeChecks(ClassMergingEnqueuerExtension classMergingEnqueuerExtension) { |
| this.classMergingEnqueuerExtension = classMergingEnqueuerExtension; |
| } |
| |
| @Override |
| public boolean canMerge(DexProgramClass clazz) { |
| // We currently assume we only merge classes that implement the same set of interfaces. |
| return !(this.classMergingEnqueuerExtension.isCheckCastType(clazz) |
| || this.classMergingEnqueuerExtension.isInstanceOfType(clazz)); |
| } |
| } |