| // 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.ir.optimize.enums; |
| |
| import com.android.tools.r8.graph.AppView; |
| import com.android.tools.r8.graph.DexProgramClass; |
| import com.android.tools.r8.graph.GraphLens; |
| import com.android.tools.r8.graph.ProgramMethod; |
| import com.android.tools.r8.ir.analysis.fieldvalueanalysis.StaticFieldValues; |
| import com.android.tools.r8.ir.code.IRCode; |
| import com.android.tools.r8.ir.code.Phi; |
| import com.android.tools.r8.ir.conversion.IRConverter; |
| import com.android.tools.r8.ir.conversion.MethodConversionOptions.MutableMethodConversionOptions; |
| import com.android.tools.r8.ir.conversion.MethodProcessor; |
| import com.android.tools.r8.ir.conversion.PostMethodProcessor.Builder; |
| import com.android.tools.r8.ir.optimize.info.OptimizationFeedbackDelayed; |
| import com.android.tools.r8.shaking.AppInfoWithLiveness; |
| import com.google.common.collect.Sets; |
| import java.util.Set; |
| import java.util.concurrent.ExecutorService; |
| |
| public class EmptyEnumUnboxer extends EnumUnboxer { |
| |
| private static final EmptyEnumUnboxer INSTANCE = new EmptyEnumUnboxer(); |
| |
| private EmptyEnumUnboxer() {} |
| |
| static EmptyEnumUnboxer get() { |
| return INSTANCE; |
| } |
| |
| @Override |
| public void prepareForPrimaryOptimizationPass(GraphLens graphLensForPrimaryOptimizationPass) { |
| // Intentionally empty. |
| } |
| |
| @Override |
| public void analyzeEnums(IRCode code, MutableMethodConversionOptions conversionOptions) { |
| // Intentionally empty. |
| } |
| |
| @Override |
| public void onMethodPruned(ProgramMethod method) { |
| // Intentionally empty. |
| } |
| |
| @Override |
| public void onMethodCodePruned(ProgramMethod method) { |
| // Intentionally empty. |
| } |
| |
| @Override |
| public void recordEnumState(DexProgramClass clazz, StaticFieldValues staticFieldValues) { |
| // Intentionally empty. |
| } |
| |
| @Override |
| public Set<Phi> rewriteCode(IRCode code, MethodProcessor methodProcessor) { |
| return Sets.newIdentityHashSet(); |
| } |
| |
| @Override |
| public void unboxEnums( |
| AppView<AppInfoWithLiveness> appView, |
| IRConverter converter, |
| Builder postMethodProcessorBuilder, |
| ExecutorService executorService, |
| OptimizationFeedbackDelayed feedback) { |
| appView.setUnboxedEnums(EnumDataMap.empty()); |
| } |
| |
| @Override |
| public void unsetRewriter() { |
| // Intentionally empty. |
| } |
| |
| @Override |
| public void updateEnumUnboxingCandidatesInfo() { |
| // Intentionally empty. |
| } |
| } |