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annotate graal/com.oracle.max.graal.tests/src/com/oracle/graal/compiler/tests/FloatingReadTest.java @ 5060:4ed4295ce15f

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Update import statements.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Thu, 08 Mar 2012 19:11:12 +0100
parents ed559a528128
children
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1 /*
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2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
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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
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6 * under the terms of the GNU General Public License version 2 only, as
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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
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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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
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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
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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.compiler.tests;
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25 import org.junit.*;
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27 import com.oracle.graal.compiler.phases.*;
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28 import com.oracle.graal.graph.*;
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29 import com.oracle.graal.nodes.*;
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30 import com.oracle.graal.nodes.extended.*;
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31 import com.oracle.graal.nodes.java.*;
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32
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33 public class FloatingReadTest extends GraphScheduleTest {
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34
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35 public static class Container {
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36 public int a;
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37 }
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39 public static void changeField(Container c) {
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40 c.a = 0xcafebabe;
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41 }
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42
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43 public static synchronized int test1Snippet() {
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44 Container c = new Container();
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45 return c.a;
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46 }
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47
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48 @Test
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49 public void test1() {
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50 test("test1Snippet");
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51 }
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53 private void test(String snippet) {
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54 StructuredGraph graph = parse(snippet);
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55 new LoweringPhase(runtime()).apply(graph);
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56 new FloatingReadPhase().apply(graph);
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58 ReturnNode returnNode = null;
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59 MonitorExitNode monitor = null;
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61 for (Node n : graph.getNodes()) {
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62 if (n instanceof ReturnNode) {
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63 returnNode = (ReturnNode) n;
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64 } else if (n instanceof MonitorExitNode) {
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65 monitor = (MonitorExitNode) n;
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66 }
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67 }
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69 Assert.assertNotNull(returnNode);
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70 Assert.assertNotNull(monitor);
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71 Assert.assertTrue(returnNode.result() instanceof FloatingReadNode);
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73 FloatingReadNode read = (FloatingReadNode) returnNode.result();
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74
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75 assertOrderedAfterSchedule(graph, read, monitor);
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76 }
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77 }