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annotate graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/FloatingReadTest.java @ 21328:de17f6676a43
LinearScan: encapsulate opIdToBlockMap and opIdToInstructionMap.
author | Josef Eisl <josef.eisl@jku.at> |
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date | Tue, 12 May 2015 12:19:39 +0200 |
parents | 2fd45bb25118 |
children | cba35d171cd1 |
rev | line source |
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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.test; |
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24 |
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25 import org.junit.*; |
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26 |
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27 import com.oracle.graal.debug.*; |
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28 import com.oracle.graal.debug.Debug.Scope; |
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29 import com.oracle.graal.graph.*; |
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30 import com.oracle.graal.nodes.*; |
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31 import com.oracle.graal.nodes.StructuredGraph.AllowAssumptions; |
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32 import com.oracle.graal.nodes.extended.*; |
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33 import com.oracle.graal.nodes.spi.*; |
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34 import com.oracle.graal.phases.common.*; |
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35 import com.oracle.graal.phases.tiers.*; |
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36 |
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37 public class FloatingReadTest extends GraphScheduleTest { |
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38 |
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39 public static class Container { |
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40 |
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41 public int a; |
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42 } |
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43 |
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44 public static void changeField(Container c) { |
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45 c.a = 0xcafebabe; |
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46 } |
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47 |
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48 public static synchronized int test1Snippet() { |
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49 Container c = new Container(); |
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50 return c.a; |
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51 } |
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52 |
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53 @Test |
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54 public void test1() { |
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55 test("test1Snippet"); |
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56 } |
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57 |
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58 private void test(final String snippet) { |
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59 try (Scope s = Debug.scope("FloatingReadTest", new DebugDumpScope(snippet))) { |
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60 |
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61 StructuredGraph graph = parseEager(snippet, AllowAssumptions.YES); |
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62 PhaseContext context = new PhaseContext(getProviders()); |
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63 new LoweringPhase(new CanonicalizerPhase(), LoweringTool.StandardLoweringStage.HIGH_TIER).apply(graph, context); |
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64 new FloatingReadPhase().apply(graph); |
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65 |
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66 ReturnNode returnNode = null; |
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67 MonitorExit monitorexit = null; |
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68 |
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69 for (Node n : graph.getNodes()) { |
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70 if (n instanceof ReturnNode) { |
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71 assert returnNode == null; |
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72 returnNode = (ReturnNode) n; |
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73 } else if (n instanceof MonitorExit) { |
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74 monitorexit = (MonitorExit) n; |
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75 } |
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76 } |
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77 |
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78 Debug.dump(graph, "After lowering"); |
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79 |
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80 Assert.assertNotNull(returnNode); |
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81 Assert.assertNotNull(monitorexit); |
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82 Assert.assertTrue(returnNode.result() instanceof FloatingReadNode); |
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83 |
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84 FloatingReadNode read = (FloatingReadNode) returnNode.result(); |
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85 |
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86 assertOrderedAfterSchedule(graph, read, (Node) monitorexit); |
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87 } catch (Throwable e) { |
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88 throw Debug.handle(e); |
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89 } |
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90 } |
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91 } |