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// 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();
}
}