/*

 * Copyright (c) 2016, 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

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 */

package org.graalvm.compiler.nodes.extended;

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

import org.graalvm.compiler.core.common.LocationIdentity;

import org.graalvm.compiler.graph.NodeClass;

import org.graalvm.compiler.nodeinfo.NodeInfo;

import org.graalvm.compiler.nodes.ValueNode;

import jdk.vm.ci.meta.JavaKind;

@NodeInfo

public class GuardedUnsafeLoadNode extends UnsafeLoadNode implements GuardedNode {

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

    @OptionalInput(Guard) protected GuardingNode guard;

    public GuardedUnsafeLoadNode(ValueNode object, ValueNode offset, JavaKind accessKind, LocationIdentity locationIdentity, GuardingNode guard) {

        super(TYPE, object, offset, accessKind, locationIdentity);

        this.guard = guard;

    }

    @Override

    public GuardingNode getGuard() {

        return guard;

    }

    @Override

    public void setGuard(GuardingNode guard) {

        updateUsagesInterface(this.guard, guard);

        this.guard = guard;

    }

}