view graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/match/MatchNodeAdapter.java @ 15370:319deee16746

add support for matching multiple HIR nodes when lowering to LIR
author Tom Rodriguez <tom.rodriguez@oracle.com>
date Thu, 24 Apr 2014 12:00:54 -0700
parents
children 4cdc787681d4
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/*
 * Copyright (c) 2014, 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.compiler.match;

import com.oracle.graal.nodes.*;

/**
 * Helper class to visit the matchable inputs of a node in a specified order. This may not be needed
 * in the end since this could probably be done using the inputs iterator but it simplifies things
 * for the moment.
 */
public class MatchNodeAdapter {
    @SuppressWarnings("unused")
    protected ValueNode getFirstInput(ValueNode node) {
        throw new InternalError();
    }

    @SuppressWarnings("unused")
    protected ValueNode getSecondInput(ValueNode node) {
        throw new InternalError();
    }
}