Mercurial > hg > graal-compiler
annotate graal/com.oracle.truffle.api.codegen.test/src/com/oracle/truffle/api/codegen/test/GuardsTest.java @ 8919:01b3b18cbad9
missing change for 7828409c364c (pull materialization logic into VirtualObjectNode classes)
author | Lukas Stadler <lukas.stadler@jku.at> |
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date | Mon, 08 Apr 2013 19:05:13 +0200 |
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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.codegen.test; |
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24 |
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25 import static com.oracle.truffle.api.codegen.test.TestHelper.*; |
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26 import static junit.framework.Assert.*; |
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27 |
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28 import org.junit.*; |
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29 |
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30 import com.oracle.truffle.api.codegen.*; |
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31 import com.oracle.truffle.api.codegen.test.GuardsTestFactory.GlobalFlagGuardFactory; |
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32 import com.oracle.truffle.api.codegen.test.GuardsTestFactory.InvocationGuardFactory; |
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33 import com.oracle.truffle.api.codegen.test.TypeSystemTest.ChildrenNode; |
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34 import com.oracle.truffle.api.codegen.test.TypeSystemTest.TestRootNode; |
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35 import com.oracle.truffle.api.codegen.test.TypeSystemTest.ValueNode; |
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36 |
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37 @SuppressWarnings("unused") |
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38 public class GuardsTest { |
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39 |
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40 private static final Object NULL = new Object(); |
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41 |
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42 @Test |
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43 public void testGuardInvocations() { |
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44 TestRootNode<InvocationGuard> root = create(InvocationGuardFactory.getInstance()); |
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45 |
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46 assertEquals(Integer.MAX_VALUE, executeWith(root, Integer.MAX_VALUE - 1, 1)); |
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47 assertEquals(1, InvocationGuard.specializedInvocations); |
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48 assertEquals(0, InvocationGuard.genericInvocations); |
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49 |
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50 assertEquals(42, executeWith(root, Integer.MAX_VALUE, 1)); |
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51 assertEquals(1, InvocationGuard.specializedInvocations); |
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52 assertEquals(1, InvocationGuard.genericInvocations); |
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53 } |
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54 |
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55 public abstract static class InvocationGuard extends ChildrenNode { |
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56 |
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57 static int specializedInvocations = 0; |
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58 static int genericInvocations = 0; |
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59 |
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60 public InvocationGuard(ValueNode... children) { |
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61 super(children); |
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62 } |
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63 |
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64 public InvocationGuard(InvocationGuard node) { |
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65 super(node); |
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66 } |
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67 |
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68 boolean guard(int value0, int value1) { |
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69 return value0 != Integer.MAX_VALUE; |
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70 } |
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71 |
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72 @Specialization(guards = "guard") |
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73 int doSpecialized(int value0, int value1) { |
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74 specializedInvocations++; |
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75 return value0 + value1; |
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76 } |
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77 |
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78 @Generic |
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79 int doGeneric(Object value0, Object value1) { |
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80 genericInvocations++; |
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81 return 42; // the generic answer to all questions |
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82 } |
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83 } |
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84 |
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85 @Test |
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86 public void testGuardGlobal() { |
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87 TestRootNode<GlobalFlagGuard> root = create(GlobalFlagGuardFactory.getInstance()); |
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88 |
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89 assertEquals(42, executeWith(root, NULL)); |
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90 |
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91 GlobalFlagGuard.globalFlag = true; |
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92 assertEquals(41, executeWith(root, NULL)); |
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93 |
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94 GlobalFlagGuard.globalFlag = false; |
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95 assertEquals(42, executeWith(root, NULL)); |
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96 } |
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97 |
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98 public abstract static class GlobalFlagGuard extends ChildrenNode { |
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99 |
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100 static boolean globalFlag = false; |
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101 |
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102 public GlobalFlagGuard(ValueNode... children) { |
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103 super(children); |
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104 } |
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105 |
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106 public GlobalFlagGuard(GlobalFlagGuard node) { |
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107 super(node); |
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108 } |
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109 |
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110 static boolean globalFlagGuard() { |
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111 return globalFlag; |
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112 } |
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113 |
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114 @Specialization(guards = "globalFlagGuard") |
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115 int doSpecialized(Object value0) { |
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116 return 41; |
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117 } |
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118 |
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119 @Generic |
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120 int doGeneric(Object value0) { |
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121 return 42; // the generic answer to all questions |
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122 } |
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123 } |
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124 |
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125 } |