src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/memory/address/IndexAddressNode.java
/*
* Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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package org.graalvm.compiler.nodes.memory.address;
import org.graalvm.compiler.graph.NodeClass;
import org.graalvm.compiler.nodeinfo.InputType;
import org.graalvm.compiler.nodeinfo.NodeInfo;
import org.graalvm.compiler.nodes.ValueNode;
import org.graalvm.compiler.nodes.spi.Lowerable;
import org.graalvm.compiler.nodes.spi.LoweringTool;
import jdk.vm.ci.meta.JavaKind;
/**
* Represents an address that points to an element of a Java array.
*/
@NodeInfo(allowedUsageTypes = InputType.Association)
public class IndexAddressNode extends AddressNode implements Lowerable {
public static final NodeClass<IndexAddressNode> TYPE = NodeClass.create(IndexAddressNode.class);
@Input ValueNode array;
@Input ValueNode index;
private final JavaKind arrayKind;
private final JavaKind elementKind;
public IndexAddressNode(ValueNode array, ValueNode index, JavaKind elementKind) {
this(array, index, elementKind, elementKind);
}
public IndexAddressNode(ValueNode array, ValueNode index, JavaKind arrayKind, JavaKind elementKind) {
super(TYPE);
this.array = array;
this.index = index;
this.arrayKind = arrayKind;
this.elementKind = elementKind;
}
@Override
public ValueNode getBase() {
return array;
}
public ValueNode getArray() {
return array;
}
@Override
public ValueNode getIndex() {
return index;
}
@Override
public long getMaxConstantDisplacement() {
return Long.MAX_VALUE;
}
public JavaKind getArrayKind() {
return arrayKind;
}
public JavaKind getElementKind() {
return elementKind;
}
@Override
public void lower(LoweringTool tool) {
tool.getLowerer().lower(this, tool);
}
}