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annotate truffle/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/SpecializationGroupingTest.java @ 21951:9c8c0937da41

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Moving all sources into truffle subdirectory
author Jaroslav Tulach <jaroslav.tulach@oracle.com>
date Wed, 17 Jun 2015 10:58:08 +0200
parents graal/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/SpecializationGroupingTest.java@f4792a544170
children dc83cc1f94f2
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1 /*
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2 * Copyright (c) 2012, 2012, 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.truffle.api.dsl.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.truffle.api.*;
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28 import com.oracle.truffle.api.dsl.*;
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29 import com.oracle.truffle.api.dsl.test.SpecializationGroupingTestFactory.TestElseConnectionBug1Factory;
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30 import com.oracle.truffle.api.dsl.test.SpecializationGroupingTestFactory.TestElseConnectionBug2Factory;
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31 import com.oracle.truffle.api.dsl.test.TypeSystemTest.ValueNode;
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32 import com.oracle.truffle.api.frame.*;
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33 import com.oracle.truffle.api.nodes.*;
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34
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35 /**
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36 * Tests execution counts of guards. While we do not make guarantees for guard invocation except for
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37 * their execution order our implementation reduces the calls to guards as much as possible for the
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38 * generic case.
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39 */
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40 public class SpecializationGroupingTest {
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41
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42 @Test
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43 public void testElseConnectionBug1() {
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44 CallTarget target = TestHelper.createCallTarget(TestElseConnectionBug1Factory.create(new GenericInt()));
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45 Assert.assertEquals(42, target.call());
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46 }
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47
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48 @SuppressWarnings("unused")
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49 @NodeChild(value = "genericChild", type = GenericInt.class)
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50 public abstract static class TestElseConnectionBug1 extends ValueNode {
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51
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52 @Specialization(rewriteOn = {SlowPathException.class}, guards = "isInitialized(value)")
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53 public int do1(int value) throws SlowPathException {
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54 throw new SlowPathException();
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55 }
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56
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57 @Specialization(contains = "do1", guards = "isInitialized(value)")
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58 public int do2(int value) {
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59 return value == 42 ? value : 0;
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60 }
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61
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62 @Specialization(guards = "!isInitialized(value)")
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63 public Object do3(int value) {
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64 throw new AssertionError();
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65 }
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66
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67 boolean isInitialized(int value) {
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68 return true;
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69 }
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70 }
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71
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72 public static final class GenericInt extends ValueNode {
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73
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74 @Override
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75 public Object execute(VirtualFrame frame) {
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76 return executeInt(frame);
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77 }
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78
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79 @Override
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80 public int executeInt(VirtualFrame frame) {
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81 return 42;
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82 }
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83
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84 }
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85
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86 @Test
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87 public void testElseConnectionBug2() {
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88 TestHelper.assertRuns(TestElseConnectionBug2Factory.getInstance(), new Object[]{42}, new Object[]{42});
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89 }
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90
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91 @SuppressWarnings("unused")
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92 @NodeChild
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93 public abstract static class TestElseConnectionBug2 extends ValueNode {
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94
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95 @Specialization(guards = "guard0(value)")
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96 public int do1(int value) {
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97 throw new AssertionError();
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98 }
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99
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100 @Specialization(guards = "guard1(value)")
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101 public int do2(int value) {
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102 throw new AssertionError();
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103 }
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104
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105 @Specialization(guards = "!guard0(value)")
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106 public int do3(int value) {
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107 return value;
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108 }
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109
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110 boolean guard0(int value) {
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111 return false;
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112 }
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113
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114 boolean guard1(int value) {
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115 return false;
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116 }
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117 }
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118
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119 }