view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/virtual/VirtualObjectState.java @ 5598:a9b615da0cba

removed delta-encoding of VirtualObjectState
author Lukas Stadler <lukas.stadler@jku.at>
date Thu, 14 Jun 2012 15:46:45 +0200
parents
children aa52cbbab598
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/*
 * Copyright (c) 2009, 2012, 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 com.oracle.graal.nodes.virtual;

import com.oracle.graal.graph.*;
import com.oracle.graal.nodes.*;
import com.oracle.graal.nodes.spi.*;

/**
 * This class encapsulated the virtual state of an escape analyzed object.
 */
public final class VirtualObjectState extends VirtualState implements Node.IterableNodeType, LIRLowerable {

    @Input private VirtualObjectNode object;
    @Input private NodeInputList<ValueNode> fields;

    public VirtualObjectNode object() {
        return object;
    }

    public NodeInputList<ValueNode> fields() {
        return fields;
    }

    public VirtualObjectState(VirtualObjectNode object, ValueNode[] fields) {
        this.object = object;
        assert object.fields().length == fields.length;
        this.fields = new NodeInputList<>(this, fields);
    }

    @Override
    public void generate(LIRGeneratorTool generator) {
        // Nothing to do, virtual object states are processed as part of the handling of StateSplit nodes.
    }
}