/*
 * Copyright (c) 2016, 2019, 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.graph.NodeClass;
import org.graalvm.compiler.nodeinfo.NodeInfo;
import org.graalvm.compiler.nodes.ValueNode;
import jdk.internal.vm.compiler.word.LocationIdentity;

import jdk.vm.ci.meta.JavaKind;

@NodeInfo
public class GuardedUnsafeLoadNode extends RawLoadNode 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, ValueNode guard) {
        super(TYPE, object, offset, accessKind, locationIdentity);
        this.guard = (GuardingNode) guard;
    }

    @Override
    public GuardingNode getGuard() {
        return guard;
    }

    @Override
    public void setGuard(GuardingNode guard) {
        updateUsagesInterface(this.guard, guard);
        this.guard = guard;
    }

    @NodeIntrinsic
    public static native Object guardedLoad(Object object, long offset, @ConstantNodeParameter JavaKind kind, @ConstantNodeParameter LocationIdentity locationIdentity, GuardingNode guard);
}