view graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/ClassIsPrimitiveNode.java @ 19526:8fc336a04d77

Create TYPE fields for LIRInstruction and CompositeValue. Renaming NodeClass#get to NodeClass#create.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Fri, 20 Feb 2015 22:22:55 +0100
parents 61d3cb8e1280
children
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/*
 * Copyright (c) 2013, 2015, 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.hotspot.nodes;

import com.oracle.graal.api.meta.*;
import com.oracle.graal.graph.*;
import com.oracle.graal.graph.spi.*;
import com.oracle.graal.hotspot.replacements.*;
import com.oracle.graal.nodeinfo.*;
import com.oracle.graal.nodes.*;
import com.oracle.graal.replacements.nodes.*;

/**
 * {@link MacroNode Macro node} for {@link Class#isPrimitive()}.
 *
 * @see HotSpotClassSubstitutions#isPrimitive(Class)
 */
@NodeInfo
public final class ClassIsPrimitiveNode extends MacroNode implements Canonicalizable {

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

    public ClassIsPrimitiveNode(Invoke invoke) {
        super(TYPE, invoke);
    }

    private ValueNode getJavaClass() {
        return arguments.get(0);
    }

    @Override
    public Node canonical(CanonicalizerTool tool) {
        ValueNode javaClass = getJavaClass();
        if (javaClass.isConstant()) {
            ConstantReflectionProvider constantReflection = tool.getConstantReflection();
            ResolvedJavaType type = constantReflection.asJavaType(javaClass.asConstant());
            if (type != null) {
                return ConstantNode.forBoolean(type.isPrimitive());
            }
        }
        return this;
    }
}