| // 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.membervaluepropagation.assume; |
| |
| import com.android.tools.r8.graph.AppInfoWithClassHierarchy; |
| import com.android.tools.r8.graph.AppView; |
| import com.android.tools.r8.graph.DexClassAndMethod; |
| import com.android.tools.r8.graph.MethodResolutionResult.SingleResolutionResult; |
| import com.android.tools.r8.shaking.AssumeInfoCollection; |
| |
| public class AssumeInfoLookup { |
| |
| public static AssumeInfo lookupAssumeInfo( |
| AppView<? extends AppInfoWithClassHierarchy> appView, |
| SingleResolutionResult<?> resolutionResult, |
| DexClassAndMethod singleTarget) { |
| AssumeInfoCollection assumeInfoCollection = appView.getAssumeInfoCollection(); |
| AssumeInfo resolutionLookup = assumeInfoCollection.get(resolutionResult.getResolutionPair()); |
| AssumeInfo singleTargetLookup = |
| singleTarget != null ? assumeInfoCollection.get(singleTarget) : null; |
| return singleTargetLookup != null |
| ? resolutionLookup.meet(singleTargetLookup) |
| : resolutionLookup; |
| } |
| } |