| // Copyright (c) 2017, 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.code; |
| |
| import com.android.tools.r8.graph.DexField; |
| import java.util.Collections; |
| import java.util.List; |
| |
| public abstract class FieldInstruction extends Instruction { |
| |
| private MemberType type; |
| private final DexField field; |
| |
| protected FieldInstruction(DexField field, Value dest, Value value) { |
| this(field, dest, Collections.singletonList(value)); |
| } |
| |
| protected FieldInstruction(DexField field, Value dest, List<Value> inValues) { |
| super(dest, inValues); |
| assert field != null; |
| this.field = field; |
| this.type = MemberType.fromDexType(field.type); |
| } |
| |
| public MemberType getType() { |
| return type; |
| } |
| |
| public DexField getField() { |
| return field; |
| } |
| |
| @Override |
| public boolean isFieldInstruction() { |
| return true; |
| } |
| |
| @Override |
| public FieldInstruction asFieldInstruction() { |
| return this; |
| } |
| |
| @Override |
| public boolean hasInvariantOutType() { |
| // TODO(jsjeon): what if the target field is known to be non-null? |
| return true; |
| } |
| } |