view graal/com.oracle.max.graal.nodes/src/com/oracle/max/graal/nodes/java/ExceptionObjectNode.java @ 4629:29da09bf4930

Fix a problem with having a MemoryCheckpoint that is also a ControlSplit (InvokeWithException), the ANY_LOCATION can not be this control split in both branches because it may lead to scheduling problems : make ExceptionObject a MemoryCheckpoint
author Gilles Duboscq <duboscq@ssw.jku.at>
date Fri, 17 Feb 2012 13:54:39 +0100
parents aaac4894175c
children
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/*
 * 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 com.oracle.max.graal.nodes.java;

import com.oracle.max.cri.ci.*;
import com.oracle.max.graal.nodes.*;
import com.oracle.max.graal.nodes.extended.*;
import com.oracle.max.graal.nodes.spi.*;
import com.oracle.max.graal.nodes.type.*;

/**
 * The {@code ExceptionObject} instruction represents the incoming exception object to an exception handler.
 */
public final class ExceptionObjectNode extends AbstractStateSplit implements LIRLowerable, MemoryCheckpoint {

    /**
     * Constructs a new ExceptionObject instruction.
     */
    public ExceptionObjectNode() {
        super(StampFactory.forKind(CiKind.Object));
    }

    @Override
    public void generate(LIRGeneratorTool gen) {
        gen.visitExceptionObject(this);
    }
}