/*

 * Copyright (c) 2009, 2011, 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

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

 * questions.

 */

package org.graalvm.compiler.nodes.virtual;

import static org.graalvm.compiler.nodeinfo.InputType.Extension;

import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_0;

import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_0;

import org.graalvm.compiler.core.common.type.StampFactory;

import org.graalvm.compiler.core.common.type.TypeReference;

import org.graalvm.compiler.graph.NodeClass;

import org.graalvm.compiler.nodeinfo.NodeInfo;

import org.graalvm.compiler.nodes.ValueNode;

import org.graalvm.compiler.nodes.calc.FloatingNode;

import org.graalvm.compiler.nodes.spi.ArrayLengthProvider;

import org.graalvm.compiler.nodes.spi.Virtualizable;

import org.graalvm.compiler.nodes.spi.VirtualizerTool;

/**

 * Selects one object from a {@link CommitAllocationNode}. The object is identified by its

 * {@link VirtualObjectNode}.

 */

@NodeInfo(cycles = CYCLES_0, size = SIZE_0)

public final class AllocatedObjectNode extends FloatingNode implements Virtualizable, ArrayLengthProvider {

    public static final NodeClass<AllocatedObjectNode> TYPE = NodeClass.create(AllocatedObjectNode.class);

    @Input VirtualObjectNode virtualObject;

    @Input(Extension) CommitAllocationNode commit;

    public AllocatedObjectNode(VirtualObjectNode virtualObject) {

        super(TYPE, StampFactory.objectNonNull(TypeReference.createExactTrusted(virtualObject.type())));

        this.virtualObject = virtualObject;

    }

    public VirtualObjectNode getVirtualObject() {

        return virtualObject;

    }

    public CommitAllocationNode getCommit() {

        return commit;

    }

    public void setCommit(CommitAllocationNode x) {

        updateUsages(commit, x);

        commit = x;

    }

    @Override

    public void virtualize(VirtualizerTool tool) {

        tool.replaceWithVirtual(getVirtualObject());

    }

    @Override

    }

}