| // Copyright (c) 2019, 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.info; |
| |
| import com.android.tools.r8.ir.analysis.type.DynamicType; |
| import com.android.tools.r8.ir.analysis.value.AbstractValue; |
| import com.android.tools.r8.ir.analysis.value.UnknownValue; |
| |
| // A flat lattice structure: TOP and a lattice element that holds accumulated argument info. |
| public abstract class CallSiteOptimizationInfo { |
| |
| public static TopCallSiteOptimizationInfo top() { |
| return TopCallSiteOptimizationInfo.getInstance(); |
| } |
| |
| public boolean isConcreteCallSiteOptimizationInfo() { |
| return false; |
| } |
| |
| public ConcreteCallSiteOptimizationInfo asConcreteCallSiteOptimizationInfo() { |
| return null; |
| } |
| |
| // The index exactly matches with in values of invocation, i.e., even including receiver. |
| public DynamicType getDynamicType(int argIndex) { |
| return DynamicType.unknown(); |
| } |
| |
| // The index exactly matches with in values of invocation, i.e., even including receiver. |
| public AbstractValue getAbstractArgumentValue(int argIndex) { |
| return UnknownValue.getInstance(); |
| } |
| |
| // TODO(b/139249918): propagate classes that are guaranteed to be initialized. |
| } |