| // Copyright (c) 2021, 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.optimize.argumentpropagation.reprocessingcriteria; |
| |
| import com.android.tools.r8.graph.AppView; |
| import com.android.tools.r8.graph.DexType; |
| import com.android.tools.r8.graph.ProgramMethod; |
| import com.android.tools.r8.ir.analysis.type.ClassTypeElement; |
| import com.android.tools.r8.ir.analysis.type.DynamicType; |
| import com.android.tools.r8.ir.optimize.info.ConcreteCallSiteOptimizationInfo; |
| import com.android.tools.r8.shaking.AppInfoWithLiveness; |
| |
| public abstract class ParameterReprocessingCriteria { |
| |
| public static AlwaysTrueParameterReprocessingCriteria alwaysReprocess() { |
| return AlwaysTrueParameterReprocessingCriteria.get(); |
| } |
| |
| public static AlwaysFalseParameterReprocessingCriteria neverReprocess() { |
| return AlwaysFalseParameterReprocessingCriteria.get(); |
| } |
| |
| public static Builder builder() { |
| return new Builder(); |
| } |
| |
| public boolean isAlwaysReprocess() { |
| return false; |
| } |
| |
| public boolean isNeverReprocess() { |
| return false; |
| } |
| |
| public abstract boolean shouldReprocess( |
| AppView<AppInfoWithLiveness> appView, |
| ProgramMethod method, |
| ConcreteCallSiteOptimizationInfo methodState, |
| int parameterIndex, |
| DexType parameterType); |
| |
| public abstract boolean shouldReprocessDueToAbstractValue(); |
| |
| public abstract boolean shouldReprocessDueToDynamicType(); |
| |
| public abstract boolean shouldReprocessDueToNullability(); |
| |
| public final DynamicType widenDynamicClassType( |
| AppView<AppInfoWithLiveness> appView, DynamicType dynamicType, ClassTypeElement staticType) { |
| if (dynamicType.getNullability().isMaybeNull()) { |
| return DynamicType.unknown(); |
| } |
| return DynamicType.create(appView, staticType.getOrCreateVariant(dynamicType.getNullability())); |
| } |
| |
| public static class Builder { |
| |
| private boolean reprocessDueToAbstractValue; |
| private boolean reprocessDueToDynamicType; |
| private boolean reprocessDueToNullability; |
| |
| Builder setReprocessDueToAbstractValue() { |
| reprocessDueToAbstractValue = true; |
| return this; |
| } |
| |
| Builder setReprocessDueToDynamicType() { |
| reprocessDueToDynamicType = true; |
| return this; |
| } |
| |
| Builder setReprocessDueToNullability() { |
| reprocessDueToNullability = true; |
| return this; |
| } |
| |
| boolean shouldAlwaysReprocess() { |
| return reprocessDueToAbstractValue && reprocessDueToDynamicType && reprocessDueToNullability; |
| } |
| |
| boolean shouldNeverReprocess() { |
| return !reprocessDueToAbstractValue |
| && !reprocessDueToDynamicType |
| && !reprocessDueToNullability; |
| } |
| |
| public ParameterReprocessingCriteria build() { |
| if (shouldAlwaysReprocess()) { |
| return alwaysReprocess(); |
| } |
| if (shouldNeverReprocess()) { |
| return neverReprocess(); |
| } |
| return new NonTrivialParameterReprocessingCriteria(reprocessDueToDynamicType); |
| } |
| } |
| } |