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annotate truffle/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/LimitTest.java @ 22548:6b76a24fffbd default tip

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Use all variables: a, b, u,v and x, y
author Jaroslav Tulach <jaroslav.tulach@oracle.com>
date Thu, 14 Jan 2016 14:20:57 +0100
parents 5309cc9668e3
children
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1 /*
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2 * Copyright (c) 2015, 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 static com.oracle.truffle.api.dsl.test.TestHelper.createCallTarget;
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26 import static org.junit.Assert.assertEquals;
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27 import static org.junit.Assert.fail;
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28
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29 import org.junit.Test;
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30
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31 import com.oracle.truffle.api.CallTarget;
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32 import com.oracle.truffle.api.dsl.Cached;
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33 import com.oracle.truffle.api.dsl.NodeChild;
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34 import com.oracle.truffle.api.dsl.Specialization;
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35 import com.oracle.truffle.api.dsl.UnsupportedSpecializationException;
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36 import com.oracle.truffle.api.dsl.test.LimitTestFactory.ConstantLimitTestFactory;
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37 import com.oracle.truffle.api.dsl.test.LimitTestFactory.DefaultLimit3TestFactory;
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38 import com.oracle.truffle.api.dsl.test.LimitTestFactory.LocalLimitTestFactory;
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39 import com.oracle.truffle.api.dsl.test.LimitTestFactory.MethodLimitTestFactory;
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40 import com.oracle.truffle.api.dsl.test.TypeSystemTest.ValueNode;
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41
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42 @SuppressWarnings("unused")
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43 public class LimitTest {
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44
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45 @Test
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46 public void testDefaultLimit3() {
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47 CallTarget root = createCallTarget(DefaultLimit3TestFactory.getInstance());
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48 assertEquals(42, root.call(42));
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49 assertEquals(43, root.call(43));
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50 assertEquals(44, root.call(44));
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51 try {
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52 root.call(45);
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53 fail();
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54 } catch (UnsupportedSpecializationException e) {
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55 }
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56 }
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57
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58 @NodeChild
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59 static class DefaultLimit3Test extends ValueNode {
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60 @Specialization(guards = "value == cachedValue")
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61 static int do1(int value, @Cached("value") int cachedValue) {
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62 return cachedValue;
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63 }
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64 }
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65
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66 @Test
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67 public void testConstantLimit() {
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68 CallTarget root = createCallTarget(ConstantLimitTestFactory.getInstance());
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69 assertEquals(42, root.call(42));
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70 assertEquals(43, root.call(43));
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71 try {
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72 root.call(44);
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73 fail();
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74 } catch (UnsupportedSpecializationException e) {
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75 }
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76 }
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77
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78 @NodeChild
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79 static class ConstantLimitTest extends ValueNode {
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80
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81 public static final int LIMIT = 2;
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82
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83 @Specialization(limit = "LIMIT", guards = "value == cachedValue")
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84 static int do1(int value, @Cached("value") int cachedValue) {
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85 return cachedValue;
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86 }
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87 }
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88
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89 @Test
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90 public void testLocalLimit() {
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91 CallTarget root = createCallTarget(LocalLimitTestFactory.getInstance());
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92 assertEquals(42, root.call(42));
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93 assertEquals(43, root.call(43));
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94 try {
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95 root.call(44);
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96 fail();
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97 } catch (UnsupportedSpecializationException e) {
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98 }
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99 }
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100
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101 @NodeChild
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102 static class LocalLimitTest extends ValueNode {
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103
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104 protected int localLimit = 2;
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105
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106 @Specialization(limit = "localLimit", guards = "value == cachedValue")
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107 static int do1(int value, @Cached("value") int cachedValue) {
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108 return cachedValue;
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109 }
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110 }
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111
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112 @Test
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113 public void testMethodLimit() {
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114 MethodLimitTest.invocations = 0;
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115 CallTarget root = createCallTarget(MethodLimitTestFactory.getInstance());
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116 assertEquals(42, root.call(42));
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117 assertEquals(43, root.call(43));
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118 try {
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119 root.call(44);
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120 fail();
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121 } catch (UnsupportedSpecializationException e) {
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122 }
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123 assertEquals(3, MethodLimitTest.invocations);
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124 }
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125
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126 @NodeChild
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127 static class MethodLimitTest extends ValueNode {
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128
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129 static int invocations = 0;
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130
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131 @Specialization(limit = "calculateLimitFor(cachedValue, invocations)", guards = "value == cachedValue")
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132 static int do1(int value, @Cached("value") int cachedValue) {
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133 return cachedValue;
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134 }
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135
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136 int calculateLimitFor(int cachedValue, int boundField) {
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137 invocations = boundField + 1;
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138 return 2;
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139 }
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140
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141 }
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142
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143 @NodeChild
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144 static class LimitErrorTest1 extends ValueNode {
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145 @ExpectError("The limit expression has no effect.%")
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146 @Specialization(limit = "4")
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147 static int do1(int value) {
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148 return value;
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149 }
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150 }
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151
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152 @NodeChild
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153 static class LimitErrorTest2 extends ValueNode {
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154 public static final Object CONSTANT = new Object();
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155
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156 @ExpectError("Incompatible return type Object. Limit expressions must return int.")
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157 @Specialization(limit = "CONSTANT", guards = "value == cachedValue")
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158 static int do1(int value, @Cached("value") int cachedValue) {
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159 return value;
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160 }
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161 }
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162
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163 @NodeChild
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164 static class LimitErrorTest3 extends ValueNode {
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165
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166 public static final Object CONSTANT = new Object();
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167
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168 @ExpectError("Limit expressions must not bind dynamic parameter values.")
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169 @Specialization(limit = "value", guards = "value == cachedValue")
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170 static int do1(int value, @Cached("value") int cachedValue) {
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171 return value;
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172 }
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173 }
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174
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175 }