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annotate graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/PhiCreationTests.java @ 12362:f53dc8bbb88c

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refactored isReexecutable(), getKilledLocations() and canDeoptimize() out of MetaAccessProvider into ForeignCallsProvider (GRAAL-511)
author Doug Simon <doug.simon@oracle.com>
date Sat, 12 Oct 2013 00:31:37 +0200
parents 234aea2460bb
children e302df8bf51c
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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.nodes.*;
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30 /**
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31 * In the following tests, the correct removal of redundant phis during graph building is tested.
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32 */
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33 public class PhiCreationTests extends GraalCompilerTest {
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34
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35 /**
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36 * Dummy method to avoid javac dead code elimination.
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37 */
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38 private static void test() {
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39 }
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40
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41 @Test
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42 public void test1() {
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43 StructuredGraph graph = parse("test1Snippet");
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44 Assert.assertFalse(graph.getNodes().filter(PhiNode.class).iterator().hasNext());
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45 }
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46
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47 public static int test1Snippet(int a) {
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48 if (a > 1) {
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49 test();
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50 }
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51 return a;
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52 }
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53
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54 @Test
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55 public void test2() {
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56 StructuredGraph graph = parse("test2Snippet");
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57 Assert.assertFalse(graph.getNodes().filter(PhiNode.class).iterator().hasNext());
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58 }
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59
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60 public static int test2Snippet(int a) {
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61 while (a > 1) {
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62 test();
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63 }
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64 return a;
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65 }
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66
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67 @Test
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68 public void test3() {
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69 StructuredGraph graph = parse("test3Snippet");
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70 Debug.dump(graph, "Graph");
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71 Assert.assertFalse(graph.getNodes().filter(PhiNode.class).iterator().hasNext());
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72 }
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73
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74 public static int test3Snippet(int a) {
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75 while (a > 1) {
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76 while (a > 1) {
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77 test();
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78 }
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79 }
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80 return a;
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81 }
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82
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83 @Test
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84 public void test4() {
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85 StructuredGraph graph = parse("test4Snippet");
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86 Debug.dump(graph, "Graph");
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87 Assert.assertFalse(graph.getNodes().filter(PhiNode.class).iterator().hasNext());
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88 }
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89
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90 public static int test4Snippet(int a) {
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91 int b = 5;
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92 while (a > 1) {
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93 while (a > 1) {
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94 while (a > 1) {
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95 try {
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96 test();
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97 } catch (Throwable t) {
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98
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99 }
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100 }
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101 }
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102 while (a > 1) {
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103 while (a > 1) {
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104 try {
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105 test();
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106 } catch (Throwable t) {
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107
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108 }
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109 }
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110 }
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111 }
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112 return a + b;
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113 }
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114 }