/*
 * Copyright (c) 2013, 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.spi;

import org.graalvm.compiler.nodes.extended.GuardingNode;

This interface marks nodes whose result is the same as one of their inputs. Such nodes are used
to add type information, to introduce scheduling restrictions, etc.
For some algorithms it is necessary or advantageous to see through these proxies.
/**
 * This interface marks nodes whose result is the same as one of their inputs. Such nodes are used
 * to add type information, to introduce scheduling restrictions, etc.
 *
 * For some algorithms it is necessary or advantageous to see through these proxies.
 */
public interface ValueProxy extends LimitedValueProxy {
    GuardingNode getGuard();
}