src/main/java/com/android/tools/r8/horizontalclassmerging/policies/SameFeatureSplit.java

// 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.FeatureSplit;
import com.android.tools.r8.graph.AppView;
import com.android.tools.r8.graph.DexProgramClass;
import com.android.tools.r8.horizontalclassmerging.MultiClassSameReferencePolicy;
import com.android.tools.r8.shaking.AppInfoWithLiveness;

public class SameFeatureSplit extends MultiClassSameReferencePolicy<FeatureSplit> {
  private final AppView<AppInfoWithLiveness> appView;

  public SameFeatureSplit(AppView<AppInfoWithLiveness> appView) {
    this.appView = appView;
  }

  @Override
  public FeatureSplit getMergeKey(DexProgramClass clazz) {
    return appView
        .appInfo()
        .getClassToFeatureSplitMap()
        .getFeatureSplit(clazz, appView.getSyntheticItems());
  }

  @Override
  public String getName() {
    return "SameFeatureSplit";
  }
}