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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/SystemIdentityHashCodeNode.java @ 13487:c5449c0d5909

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Move class SystemIdentityHashCodeNode to its own Java file to work around javac bug when compiling the inner class
author Christian Wimmer <christian.wimmer@oracle.com>
date Fri, 27 Dec 2013 15:11:12 -0800
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children db4254246f9a
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c5449c0d5909 Move class SystemIdentityHashCodeNode to its own Java file to work around javac bug when compiling the inner class
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1 /*
c5449c0d5909 Move class SystemIdentityHashCodeNode to its own Java file to work around javac bug when compiling the inner class
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2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
c5449c0d5909 Move class SystemIdentityHashCodeNode to its own Java file to work around javac bug when compiling the inner class
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
c5449c0d5909 Move class SystemIdentityHashCodeNode to its own Java file to work around javac bug when compiling the inner class
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6 * under the terms of the GNU General Public License version 2 only, as
c5449c0d5909 Move class SystemIdentityHashCodeNode to its own Java file to work around javac bug when compiling the inner class
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
c5449c0d5909 Move class SystemIdentityHashCodeNode to its own Java file to work around javac bug when compiling the inner class
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
c5449c0d5909 Move class SystemIdentityHashCodeNode to its own Java file to work around javac bug when compiling the inner class
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
c5449c0d5909 Move class SystemIdentityHashCodeNode to its own Java file to work around javac bug when compiling the inner class
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
c5449c0d5909 Move class SystemIdentityHashCodeNode to its own Java file to work around javac bug when compiling the inner class
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c5449c0d5909 Move class SystemIdentityHashCodeNode to its own Java file to work around javac bug when compiling the inner class
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.graal.hotspot.replacements;
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24
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25 import static com.oracle.graal.phases.GraalOptions.*;
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26
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27 import com.oracle.graal.api.meta.*;
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28 import com.oracle.graal.nodes.*;
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29 import com.oracle.graal.replacements.nodes.*;
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31 public class SystemIdentityHashCodeNode extends PureFunctionMacroNode {
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32
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33 public SystemIdentityHashCodeNode(Invoke invoke) {
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34 super(invoke);
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35 }
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36
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37 @Override
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38 protected Constant evaluate(Constant param, MetaAccessProvider metaAccess) {
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39 return ImmutableCode.getValue() || param.isNull() ? null : Constant.forInt(System.identityHashCode(param.asObject()));
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40 }
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41 }