Mercurial > hg > truffle
annotate graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/MonitorGraphTest.java @ 13747:6f9ce155dcfa
Ruby: turn tracing and debugging back on by default.
author | Chris Seaton <chris.seaton@oracle.com> |
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date | Thu, 23 Jan 2014 23:49:46 +0000 |
parents | 0774f3303c2e |
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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 static com.oracle.graal.graph.iterators.NodePredicates.*; |
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26 |
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27 import java.util.*; |
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28 |
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29 import org.junit.*; |
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30 |
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31 import com.oracle.graal.api.code.*; |
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32 import com.oracle.graal.graph.*; |
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33 import com.oracle.graal.graph.iterators.*; |
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34 import com.oracle.graal.nodes.*; |
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35 import com.oracle.graal.nodes.java.*; |
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36 import com.oracle.graal.phases.*; |
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37 import com.oracle.graal.phases.common.*; |
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38 import com.oracle.graal.phases.tiers.*; |
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39 |
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40 /** |
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41 * In the following tests, the usages of local variable "a" are replaced with the integer constant |
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42 * 0. Then canonicalization is applied and it is verified that the resulting graph is equal to the |
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43 * graph of the method that just has a "return 1" statement in it. |
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44 */ |
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45 public class MonitorGraphTest extends GraalCompilerTest { |
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46 |
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47 private static final String REFERENCE_SNIPPET = "referenceSnippet"; |
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48 |
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49 @SuppressWarnings("all") |
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50 public static synchronized int referenceSnippet(int a) { |
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51 return 1; |
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52 } |
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53 |
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54 public static int const1() { |
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55 return 1; |
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56 } |
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57 |
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58 @Test |
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59 public void test1() { |
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60 test("test1Snippet"); |
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61 } |
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62 |
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63 @SuppressWarnings("all") |
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64 public static synchronized int test1Snippet(int a) { |
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65 return const1(); |
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66 } |
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67 |
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68 @Test |
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69 public void test2() { |
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70 StructuredGraph graph = parseAndProcess("test2Snippet"); |
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71 NodeIterable<MonitorExitNode> monitors = graph.getNodes(MonitorExitNode.class); |
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72 Assert.assertEquals(1, monitors.count()); |
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73 Assert.assertEquals(monitors.first().stateAfter().bci, 3); |
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74 } |
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75 |
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76 @SuppressWarnings("all") |
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77 public static int test2Snippet(int a) { |
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78 return const2(); |
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79 } |
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80 |
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81 public static synchronized int const2() { |
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82 return 1; |
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83 } |
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84 |
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85 private StructuredGraph parseAndProcess(String snippet) { |
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86 StructuredGraph graph = parse(snippet); |
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87 ParameterNode param = graph.getNodes(ParameterNode.class).first(); |
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88 ConstantNode constant = ConstantNode.forInt(0, graph); |
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89 for (Node n : param.usages().filter(isNotA(FrameState.class)).snapshot()) { |
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90 n.replaceFirstInput(param, constant); |
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91 } |
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92 Map<Invoke, Double> hints = new HashMap<>(); |
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93 for (Invoke invoke : graph.getInvokes()) { |
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94 hints.put(invoke, 1000d); |
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95 } |
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96 Assumptions assumptions = new Assumptions(false); |
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98 new InliningPhase(hints, new CanonicalizerPhase(true)).apply(graph, context); |
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99 new CanonicalizerPhase(true).apply(graph, context); |
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100 new DeadCodeEliminationPhase().apply(graph); |
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101 return graph; |
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102 } |
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103 |
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104 private void test(String snippet) { |
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105 StructuredGraph graph = parseAndProcess(snippet); |
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106 StructuredGraph referenceGraph = parse(REFERENCE_SNIPPET); |
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107 assertEquals(referenceGraph, graph); |
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108 } |
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109 } |