/*

 * 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

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

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);

    }

}