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annotate graal/com.oracle.graal.tests/src/com/oracle/graal/compiler/tests/GraphTest.java @ 5122:9b940aff6c6b

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fixed failing testcases
author Christian Haeubl <christian.haeubl@oracle.com>
date Tue, 20 Mar 2012 10:32:34 -0700
parents e5427faad192
children 6cc970203f30
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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 java.lang.reflect.*;
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26
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27 import junit.framework.*;
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28
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29 import com.oracle.graal.compiler.*;
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30 import com.oracle.graal.compiler.phases.*;
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31 import com.oracle.graal.compiler.phases.PhasePlan.PhasePosition;
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32 import com.oracle.graal.cri.*;
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33 import com.oracle.graal.debug.*;
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34 import com.oracle.graal.java.*;
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35 import com.oracle.graal.nodes.*;
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36 import com.oracle.max.cri.ri.*;
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37
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38 /**
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39 * Base class for Graal compiler unit tests. These are white box tests
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40 * for Graal compiler transformations. The general pattern for a test is:
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41 * <ol>
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42 * <li>Create a graph by {@linkplain #parse(String) parsing} a method.</li>
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43 * <li>Manually modify the graph (e.g. replace a paramter node with a constant).</li>
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44 * <li>Apply a transformation to the graph.</li>
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45 * <li>Assert that the transformed graph is equal to an expected graph.</li>
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46 * </ol>
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47 * <p>
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48 * See {@link InvokeTest} as an example.
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49 * <p>
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50 * The tests can be run in Eclipse with the "Compiler Unit Test" Eclipse
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51 * launch configuration found in the top level of this project or by
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52 * running {@code mx unittest} on the command line.
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53 */
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54 public abstract class GraphTest {
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55
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56 protected final GraalRuntime runtime;
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57
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58 public GraphTest() {
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59 Debug.enable();
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60 this.runtime = GraalRuntimeAccess.getGraalRuntime();
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61 }
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62
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63 protected void assertEquals(StructuredGraph expected, StructuredGraph graph) {
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64 if (expected.getNodeCount() != graph.getNodeCount()) {
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65 Debug.dump(expected, "Node count not matching - expected");
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66 Debug.dump(graph, "Node count not matching - actual");
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67 Assert.fail("Graphs do not have the same number of nodes: " + expected.getNodeCount() + " vs. " + graph.getNodeCount());
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68 }
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69 }
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70
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71 protected GraalRuntime runtime() {
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72 return runtime;
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73 }
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74
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75 /**
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76 * Parses a Java method to produce a graph.
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77 *
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78 * @param methodName the name of the method in {@code this.getClass()} to be parsed
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79 */
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80 protected StructuredGraph parse(String methodName) {
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81 return parse(getMethod(methodName));
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82 }
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83
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84 protected Method getMethod(String methodName) {
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85 Method found = null;
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86 for (Method m : this.getClass().getMethods()) {
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87 if (m.getName().equals(methodName)) {
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88 Assert.assertNull(found);
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89 found = m;
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90 }
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91 }
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92 if (found != null) {
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93 return found;
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94 } else {
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95 throw new RuntimeException("method not found: " + methodName);
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96 }
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97 }
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98
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99 /**
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100 * Parses a Java method to produce a graph.
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101 *
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102 * @param methodName the name of the method in {@code this.getClass()} to be parsed
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103 */
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104 protected StructuredGraph parseProfiled(String methodName) {
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105 return parseProfiled(getMethod(methodName));
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106 }
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107
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108 /**
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109 * Parses a Java method to produce a graph.
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110 */
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111 protected StructuredGraph parse(Method m) {
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112 RiResolvedMethod riMethod = runtime.getRiMethod(m);
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113 StructuredGraph graph = new StructuredGraph(riMethod);
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114 new GraphBuilderPhase(runtime, GraphBuilderConfiguration.getSnippetDefault(), OptimisticOptimizations.ALL).apply(graph);
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115 return graph;
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116 }
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117
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118 /**
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119 * Parses a Java method to produce a graph.
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120 */
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121 protected StructuredGraph parseProfiled(Method m) {
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122 RiResolvedMethod riMethod = runtime.getRiMethod(m);
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123 StructuredGraph graph = new StructuredGraph(riMethod);
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124 new GraphBuilderPhase(runtime, GraphBuilderConfiguration.getDefault(), OptimisticOptimizations.ALL).apply(graph);
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125 return graph;
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126 }
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127
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128 protected PhasePlan getDefaultPhasePlan() {
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129 PhasePlan plan = new PhasePlan();
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130 plan.addPhase(PhasePosition.AFTER_PARSING, new GraphBuilderPhase(runtime, GraphBuilderConfiguration.getSnippetDefault(), OptimisticOptimizations.ALL));
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131 return plan;
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132 }
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133 }