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annotate truffle/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/CachedTest.java @ 22157:dc83cc1f94f2

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Using fully qualified imports
author Jaroslav Tulach <jaroslav.tulach@oracle.com>
date Wed, 16 Sep 2015 11:33:22 +0200
parents 9c8c0937da41
children 14e6dfb1ef05
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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 com.oracle.truffle.api.CallTarget;
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26 import com.oracle.truffle.api.dsl.Cached;
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27 import com.oracle.truffle.api.dsl.NodeChild;
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28 import com.oracle.truffle.api.dsl.NodeChildren;
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29 import com.oracle.truffle.api.dsl.NodeField;
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30 import com.oracle.truffle.api.dsl.Specialization;
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31 import com.oracle.truffle.api.dsl.UnsupportedSpecializationException;
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32 import com.oracle.truffle.api.dsl.test.CachedTestFactory.BoundCacheFactory;
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33 import com.oracle.truffle.api.dsl.test.CachedTestFactory.BoundCacheOverflowFactory;
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34 import com.oracle.truffle.api.dsl.test.CachedTestFactory.TestBoundCacheOverflowContainsFactory;
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35 import com.oracle.truffle.api.dsl.test.CachedTestFactory.TestCacheFieldFactory;
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36 import com.oracle.truffle.api.dsl.test.CachedTestFactory.TestCacheMethodFactory;
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37 import com.oracle.truffle.api.dsl.test.CachedTestFactory.TestCacheNodeFieldFactory;
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38 import com.oracle.truffle.api.dsl.test.CachedTestFactory.TestGuardWithCachedAndDynamicParameterFactory;
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39 import com.oracle.truffle.api.dsl.test.CachedTestFactory.TestGuardWithJustCachedParameterFactory;
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40 import com.oracle.truffle.api.dsl.test.CachedTestFactory.TestMultipleCachesFactory;
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41 import com.oracle.truffle.api.dsl.test.CachedTestFactory.UnboundCacheFactory;
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42 import static com.oracle.truffle.api.dsl.test.TestHelper.assertionsEnabled;
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43 import static com.oracle.truffle.api.dsl.test.TestHelper.createCallTarget;
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44 import com.oracle.truffle.api.dsl.test.TypeSystemTest.ValueNode;
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45 import static org.junit.Assert.assertEquals;
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46 import static org.junit.Assert.fail;
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47 import org.junit.Test;
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48
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49 @SuppressWarnings("unused")
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50 public class CachedTest {
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51
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52 @Test
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53 public void testUnboundCache() {
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54 CallTarget root = createCallTarget(UnboundCacheFactory.getInstance());
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55 assertEquals(42, root.call(42));
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56 assertEquals(42, root.call(43));
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57 assertEquals(42, root.call(44));
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58 }
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59
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60 @NodeChild
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61 static class UnboundCache extends ValueNode {
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62 @Specialization
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63 static int do1(int value, @Cached("value") int cachedValue) {
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64 return cachedValue;
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65 }
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66 }
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67
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68 @Test
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69 public void testBoundCache() {
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70 CallTarget root = createCallTarget(BoundCacheFactory.getInstance());
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71 assertEquals(42, root.call(42));
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72 assertEquals(43, root.call(43));
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73 assertEquals(44, root.call(44));
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74 try {
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75 root.call(45);
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76 fail();
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77 } catch (UnsupportedSpecializationException e) {
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78 }
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79 }
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80
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81 @NodeChild
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82 static class BoundCache extends ValueNode {
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83
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84 @Specialization(guards = "value == cachedValue", limit = "3")
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85 static int do1(int value, @Cached("value") int cachedValue) {
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86 return cachedValue;
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87 }
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88
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89 }
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90
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91 @Test
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92 public void testBoundCacheOverflow() {
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93 CallTarget root = createCallTarget(BoundCacheOverflowFactory.getInstance());
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94 assertEquals(42, root.call(42));
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95 assertEquals(43, root.call(43));
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96 assertEquals(-1, root.call(44));
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97 assertEquals(42, root.call(42));
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98 assertEquals(43, root.call(43));
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99 assertEquals(-1, root.call(44));
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100 }
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101
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102 @NodeChild
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103 static class BoundCacheOverflow extends ValueNode {
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104
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105 @Specialization(guards = "value == cachedValue", limit = "2")
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106 static int do1(int value, @Cached("value") int cachedValue) {
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107 return cachedValue;
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108 }
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109
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110 @Specialization
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111 static int do2(int value) {
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112 return -1;
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113 }
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114
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115 }
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116
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117 @Test
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118 public void testBoundCacheOverflowContains() {
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119 CallTarget root = createCallTarget(TestBoundCacheOverflowContainsFactory.getInstance());
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120 assertEquals(42, root.call(42));
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121 assertEquals(43, root.call(43));
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122 assertEquals(-1, root.call(44));
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123 assertEquals(-1, root.call(42));
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124 assertEquals(-1, root.call(43));
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125 assertEquals(-1, root.call(44));
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126 }
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127
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128 @NodeChild
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129 static class TestBoundCacheOverflowContains extends ValueNode {
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130
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131 @Specialization(guards = "value == cachedValue", limit = "2")
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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 @Specialization(contains = "do1")
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137 static int do2(int value) {
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138 return -1;
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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 @Test
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144 public void testCacheField() {
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145 CallTarget root = createCallTarget(TestCacheFieldFactory.getInstance());
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146 assertEquals(3, root.call(42));
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147 assertEquals(3, root.call(43));
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148 }
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149
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150 @NodeChild
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151 static class TestCacheField extends ValueNode {
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152
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153 protected int field = 3;
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154
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155 @Specialization()
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156 static int do1(int value, @Cached("field") int cachedValue) {
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157 return cachedValue;
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158 }
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159
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160 }
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161
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162 @Test
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163 public void testCacheNodeField() {
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164 CallTarget root = createCallTarget(TestCacheNodeFieldFactory.getInstance(), 21);
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165 assertEquals(21, root.call(42));
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166 assertEquals(21, root.call(43));
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167 }
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168
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169 @NodeChild
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170 @NodeField(name = "field", type = int.class)
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171 static class TestCacheNodeField extends ValueNode {
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172
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173 @Specialization
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174 static int do1(int value, @Cached("field") int cachedValue) {
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175 return cachedValue;
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176 }
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177
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178 }
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179
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180 @Test
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181 public void testCacheMethod() {
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182 TestCacheMethod.invocations = 0;
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183 CallTarget root = createCallTarget(TestCacheMethodFactory.getInstance());
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184 assertEquals(42, root.call(42));
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185 assertEquals(42, root.call(43));
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186 assertEquals(42, root.call(44));
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187 assertEquals(1, TestCacheMethod.invocations);
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188 }
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189
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190 @NodeChild
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191 static class TestCacheMethod extends ValueNode {
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192
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193 static int invocations = 0;
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194
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195 @Specialization
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196 static int do1(int value, @Cached("someMethod(value)") int cachedValue) {
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197 return cachedValue;
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198 }
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199
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200 static int someMethod(int value) {
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201 invocations++;
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202 return value;
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203 }
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204
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205 }
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206
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207 @Test
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208 public void testGuardWithJustCachedParameter() {
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209 TestGuardWithJustCachedParameter.invocations = 0;
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210 CallTarget root = createCallTarget(TestGuardWithJustCachedParameterFactory.getInstance());
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211 assertEquals(42, root.call(42));
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212 assertEquals(42, root.call(43));
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213 assertEquals(42, root.call(44));
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214 // guards with just cached parameters are just invoked on the slow path
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215 assertEquals(assertionsEnabled() ? 4 : 1, TestGuardWithJustCachedParameter.invocations);
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216 }
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217
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218 @NodeChild
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219 static class TestGuardWithJustCachedParameter extends ValueNode {
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220
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221 static int invocations = 0;
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222
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223 @Specialization(guards = "someMethod(cachedValue)")
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224 static int do1(int value, @Cached("value") int cachedValue) {
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225 return cachedValue;
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226 }
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227
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228 static boolean someMethod(int value) {
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229 invocations++;
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230 return true;
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231 }
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232
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233 }
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234
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235 @Test
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236 public void testGuardWithCachedAndDynamicParameter() {
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237 TestGuardWithCachedAndDynamicParameter.cachedMethodInvocations = 0;
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238 TestGuardWithCachedAndDynamicParameter.dynamicMethodInvocations = 0;
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239 CallTarget root = createCallTarget(TestGuardWithCachedAndDynamicParameterFactory.getInstance());
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240 assertEquals(42, root.call(42));
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241 assertEquals(42, root.call(43));
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242 assertEquals(42, root.call(44));
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243 // guards with just cached parameters are just invoked on the slow path
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244 assertEquals(assertionsEnabled() ? 4 : 1, TestGuardWithCachedAndDynamicParameter.cachedMethodInvocations);
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245 assertEquals(4, TestGuardWithCachedAndDynamicParameter.dynamicMethodInvocations);
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246 }
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247
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248 @NodeChild
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249 static class TestGuardWithCachedAndDynamicParameter extends ValueNode {
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250
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251 static int cachedMethodInvocations = 0;
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252 static int dynamicMethodInvocations = 0;
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253
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254 @Specialization(guards = {"dynamicMethod(value)", "cachedMethod(cachedValue)"})
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255 static int do1(int value, @Cached("value") int cachedValue) {
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256 return cachedValue;
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257 }
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258
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259 static boolean cachedMethod(int value) {
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260 cachedMethodInvocations++;
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261 return true;
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262 }
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263
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264 static boolean dynamicMethod(int value) {
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265 dynamicMethodInvocations++;
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266 return true;
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267 }
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268
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269 }
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270
21077
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271 /*
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272 * Node should not produce any warnings in isIdentical of the generated code. Unnecessary casts
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273 * were generated for isIdentical on the fast path.
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274 */
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275 @NodeChildren({@NodeChild, @NodeChild})
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276 static class RegressionTestWarningInIsIdentical extends ValueNode {
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277
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278 @Specialization(guards = {"cachedName == name"})
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279 protected Object directAccess(String receiver, String name, //
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280 @Cached("name") String cachedName, //
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281 @Cached("create(receiver, name)") Object callHandle) {
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282 return receiver;
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283 }
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284
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285 protected static Object create(String receiver, String name) {
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286 return receiver;
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287 }
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288
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289 }
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290
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291 @NodeChild
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292 static class TestMultipleCaches extends ValueNode {
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293
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294 @Specialization
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295 static int do1(int value, @Cached("value") int cachedValue1, @Cached("value") int cachedValue2) {
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296 return cachedValue1 + cachedValue2;
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297 }
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298
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299 }
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300
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301 @Test
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302 public void testMultipleCaches() {
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303 CallTarget root = createCallTarget(TestMultipleCachesFactory.getInstance());
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304 assertEquals(42, root.call(21));
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305 assertEquals(42, root.call(22));
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306 assertEquals(42, root.call(23));
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307 }
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308
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309 @NodeChild
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310 static class CachedError1 extends ValueNode {
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311 @Specialization
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312 static int do1(int value, @ExpectError("Incompatible return type int. The expression type must be equal to the parameter type double.")//
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313 @Cached("value") double cachedValue) {
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314 return value;
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315 }
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316 }
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317
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318 @NodeChild
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319 static class CachedError2 extends ValueNode {
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320
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321 // caches are not allowed to make backward references
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322
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323 @Specialization
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324 static int do1(int value,
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325 @ExpectError("The initializer expression of parameter 'cachedValue1' binds unitialized parameter 'cachedValue2. Reorder the parameters to resolve the problem.") @Cached("cachedValue2") int cachedValue1,
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326 @Cached("value") int cachedValue2) {
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327 return cachedValue1 + cachedValue2;
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328 }
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329
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330 }
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331
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332 @NodeChild
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333 static class CachedError3 extends ValueNode {
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334
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335 // cyclic dependency between cached expressions
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336 @Specialization
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337 static int do1(int value,
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338 @ExpectError("The initializer expression of parameter 'cachedValue1' binds unitialized parameter 'cachedValue2. Reorder the parameters to resolve the problem.") @Cached("cachedValue2") int cachedValue1,
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339 @Cached("cachedValue1") int cachedValue2) {
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340 return cachedValue1 + cachedValue2;
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341 }
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342
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343 }
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344
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345 }