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annotate truffle/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/CachedTest.java @ 22241:14e6dfb1ef05

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Truffle/Testing: massive rework of tests to accommodate recent instrumentation change with respect to "applyInstrumentation" - Caused by lack of a "vm" known to the Accessor during most testing, making the Instrumenter unavailable, which is now required to create a CallTarget - Modified the Instrumenter/Accessor with a static field that can be reflectively "poked" with a vm value for testing - Create a pair of methods to globally enable/disable testing mode to modify that static field and restore it when tests complete.
author Michael Van De Vanter <michael.van.de.vanter@oracle.com>
date Tue, 22 Sep 2015 20:31:19 -0700
parents dc83cc1f94f2
children 5309cc9668e3
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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.assertionsEnabled;
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26 import static com.oracle.truffle.api.dsl.test.TestHelper.createCallTarget;
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27 import static org.junit.Assert.assertEquals;
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28 import static org.junit.Assert.fail;
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29
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30 import org.junit.After;
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31 import org.junit.Before;
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32 import org.junit.Test;
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33
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34 import com.oracle.truffle.api.CallTarget;
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35 import com.oracle.truffle.api.dsl.Cached;
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36 import com.oracle.truffle.api.dsl.NodeChild;
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37 import com.oracle.truffle.api.dsl.NodeChildren;
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38 import com.oracle.truffle.api.dsl.NodeField;
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39 import com.oracle.truffle.api.dsl.Specialization;
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40 import com.oracle.truffle.api.dsl.UnsupportedSpecializationException;
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41 import com.oracle.truffle.api.dsl.test.CachedTestFactory.BoundCacheFactory;
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42 import com.oracle.truffle.api.dsl.test.CachedTestFactory.BoundCacheOverflowFactory;
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43 import com.oracle.truffle.api.dsl.test.CachedTestFactory.TestBoundCacheOverflowContainsFactory;
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44 import com.oracle.truffle.api.dsl.test.CachedTestFactory.TestCacheFieldFactory;
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45 import com.oracle.truffle.api.dsl.test.CachedTestFactory.TestCacheMethodFactory;
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46 import com.oracle.truffle.api.dsl.test.CachedTestFactory.TestCacheNodeFieldFactory;
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47 import com.oracle.truffle.api.dsl.test.CachedTestFactory.TestGuardWithCachedAndDynamicParameterFactory;
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48 import com.oracle.truffle.api.dsl.test.CachedTestFactory.TestGuardWithJustCachedParameterFactory;
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49 import com.oracle.truffle.api.dsl.test.CachedTestFactory.TestMultipleCachesFactory;
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50 import com.oracle.truffle.api.dsl.test.CachedTestFactory.UnboundCacheFactory;
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51 import com.oracle.truffle.api.dsl.test.TypeSystemTest.ValueNode;
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52 import com.oracle.truffle.api.dsl.test.utilities.InstrumentationTestMode;
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53
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54 @SuppressWarnings("unused")
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55 public class CachedTest {
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56
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57 @Before
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58 public void before() throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException {
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59 InstrumentationTestMode.set(true);
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60 }
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61
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62 @After
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63 public void after() throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException {
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64 InstrumentationTestMode.set(false);
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65 }
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66
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67 @Test
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68 public void testUnboundCache() {
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69 CallTarget root = createCallTarget(UnboundCacheFactory.getInstance());
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70 assertEquals(42, root.call(42));
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71 assertEquals(42, root.call(43));
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72 assertEquals(42, root.call(44));
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73 }
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74
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75 @NodeChild
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76 static class UnboundCache extends ValueNode {
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77 @Specialization
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78 static int do1(int value, @Cached("value") int cachedValue) {
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79 return cachedValue;
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80 }
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81 }
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82
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83 @Test
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84 public void testBoundCache() {
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85 CallTarget root = createCallTarget(BoundCacheFactory.getInstance());
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86 assertEquals(42, root.call(42));
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87 assertEquals(43, root.call(43));
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88 assertEquals(44, root.call(44));
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89 try {
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90 root.call(45);
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91 fail();
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92 } catch (UnsupportedSpecializationException e) {
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93 }
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94 }
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95
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96 @NodeChild
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97 static class BoundCache extends ValueNode {
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98
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99 @Specialization(guards = "value == cachedValue", limit = "3")
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100 static int do1(int value, @Cached("value") int cachedValue) {
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101 return cachedValue;
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102 }
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103
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104 }
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105
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106 @Test
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107 public void testBoundCacheOverflow() {
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108 CallTarget root = createCallTarget(BoundCacheOverflowFactory.getInstance());
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109 assertEquals(42, root.call(42));
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110 assertEquals(43, root.call(43));
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111 assertEquals(-1, root.call(44));
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112 assertEquals(42, root.call(42));
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113 assertEquals(43, root.call(43));
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114 assertEquals(-1, root.call(44));
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115 }
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116
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117 @NodeChild
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118 static class BoundCacheOverflow extends ValueNode {
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119
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120 @Specialization(guards = "value == cachedValue", limit = "2")
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121 static int do1(int value, @Cached("value") int cachedValue) {
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122 return cachedValue;
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123 }
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124
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125 @Specialization
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126 static int do2(int value) {
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127 return -1;
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128 }
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129
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130 }
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131
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132 @Test
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133 public void testBoundCacheOverflowContains() {
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134 CallTarget root = createCallTarget(TestBoundCacheOverflowContainsFactory.getInstance());
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135 assertEquals(42, root.call(42));
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136 assertEquals(43, root.call(43));
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137 assertEquals(-1, root.call(44));
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138 assertEquals(-1, root.call(42));
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139 assertEquals(-1, root.call(43));
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140 assertEquals(-1, root.call(44));
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141 }
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142
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143 @NodeChild
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144 static class TestBoundCacheOverflowContains extends ValueNode {
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145
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146 @Specialization(guards = "value == cachedValue", limit = "2")
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147 static int do1(int value, @Cached("value") int cachedValue) {
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148 return cachedValue;
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149 }
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150
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151 @Specialization(contains = "do1")
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152 static int do2(int value) {
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153 return -1;
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154 }
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155
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156 }
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157
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158 @Test
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159 public void testCacheField() {
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160 CallTarget root = createCallTarget(TestCacheFieldFactory.getInstance());
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161 assertEquals(3, root.call(42));
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162 assertEquals(3, root.call(43));
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163 }
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164
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165 @NodeChild
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166 static class TestCacheField extends ValueNode {
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167
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168 protected int field = 3;
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169
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170 @Specialization()
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171 static int do1(int value, @Cached("field") int cachedValue) {
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172 return cachedValue;
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173 }
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174
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175 }
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176
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177 @Test
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178 public void testCacheNodeField() {
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179 CallTarget root = createCallTarget(TestCacheNodeFieldFactory.getInstance(), 21);
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180 assertEquals(21, root.call(42));
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181 assertEquals(21, root.call(43));
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182 }
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183
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184 @NodeChild
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185 @NodeField(name = "field", type = int.class)
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186 static class TestCacheNodeField extends ValueNode {
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187
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188 @Specialization
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189 static int do1(int value, @Cached("field") int cachedValue) {
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190 return cachedValue;
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191 }
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192
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193 }
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194
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195 @Test
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196 public void testCacheMethod() {
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197 TestCacheMethod.invocations = 0;
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198 CallTarget root = createCallTarget(TestCacheMethodFactory.getInstance());
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199 assertEquals(42, root.call(42));
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200 assertEquals(42, root.call(43));
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201 assertEquals(42, root.call(44));
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202 assertEquals(1, TestCacheMethod.invocations);
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203 }
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204
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205 @NodeChild
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206 static class TestCacheMethod extends ValueNode {
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207
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208 static int invocations = 0;
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209
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210 @Specialization
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211 static int do1(int value, @Cached("someMethod(value)") int cachedValue) {
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212 return cachedValue;
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213 }
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214
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215 static int someMethod(int value) {
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216 invocations++;
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217 return value;
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218 }
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219
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220 }
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221
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222 @Test
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223 public void testGuardWithJustCachedParameter() {
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224 TestGuardWithJustCachedParameter.invocations = 0;
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225 CallTarget root = createCallTarget(TestGuardWithJustCachedParameterFactory.getInstance());
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226 assertEquals(42, root.call(42));
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227 assertEquals(42, root.call(43));
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228 assertEquals(42, root.call(44));
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229 // guards with just cached parameters are just invoked on the slow path
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230 assertEquals(assertionsEnabled() ? 4 : 1, TestGuardWithJustCachedParameter.invocations);
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231 }
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232
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233 @NodeChild
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234 static class TestGuardWithJustCachedParameter extends ValueNode {
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235
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236 static int invocations = 0;
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237
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238 @Specialization(guards = "someMethod(cachedValue)")
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239 static int do1(int value, @Cached("value") int cachedValue) {
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240 return cachedValue;
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241 }
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242
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243 static boolean someMethod(int value) {
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244 invocations++;
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245 return true;
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246 }
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247
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248 }
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249
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250 @Test
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251 public void testGuardWithCachedAndDynamicParameter() {
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252 TestGuardWithCachedAndDynamicParameter.cachedMethodInvocations = 0;
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253 TestGuardWithCachedAndDynamicParameter.dynamicMethodInvocations = 0;
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254 CallTarget root = createCallTarget(TestGuardWithCachedAndDynamicParameterFactory.getInstance());
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255 assertEquals(42, root.call(42));
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256 assertEquals(42, root.call(43));
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257 assertEquals(42, root.call(44));
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258 // guards with just cached parameters are just invoked on the slow path
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259 assertEquals(assertionsEnabled() ? 4 : 1, TestGuardWithCachedAndDynamicParameter.cachedMethodInvocations);
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260 assertEquals(4, TestGuardWithCachedAndDynamicParameter.dynamicMethodInvocations);
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261 }
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262
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263 @NodeChild
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264 static class TestGuardWithCachedAndDynamicParameter extends ValueNode {
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265
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266 static int cachedMethodInvocations = 0;
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267 static int dynamicMethodInvocations = 0;
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268
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269 @Specialization(guards = {"dynamicMethod(value)", "cachedMethod(cachedValue)"})
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270 static int do1(int value, @Cached("value") int cachedValue) {
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271 return cachedValue;
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272 }
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273
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274 static boolean cachedMethod(int value) {
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275 cachedMethodInvocations++;
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276 return true;
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277 }
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278
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279 static boolean dynamicMethod(int value) {
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280 dynamicMethodInvocations++;
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281 return true;
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282 }
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283
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284 }
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285
21077
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286 /*
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287 * Node should not produce any warnings in isIdentical of the generated code. Unnecessary casts
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288 * were generated for isIdentical on the fast path.
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289 */
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290 @NodeChildren({@NodeChild, @NodeChild})
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291 static class RegressionTestWarningInIsIdentical extends ValueNode {
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292
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293 @Specialization(guards = {"cachedName == name"})
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294 protected Object directAccess(String receiver, String name, //
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295 @Cached("name") String cachedName, //
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296 @Cached("create(receiver, name)") Object callHandle) {
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297 return receiver;
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298 }
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299
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300 protected static Object create(String receiver, String name) {
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301 return receiver;
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302 }
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303
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304 }
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305
19289
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306 @NodeChild
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307 static class TestMultipleCaches extends ValueNode {
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308
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309 @Specialization
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310 static int do1(int value, @Cached("value") int cachedValue1, @Cached("value") int cachedValue2) {
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311 return cachedValue1 + cachedValue2;
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312 }
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313
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314 }
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315
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316 @Test
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317 public void testMultipleCaches() {
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318 CallTarget root = createCallTarget(TestMultipleCachesFactory.getInstance());
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319 assertEquals(42, root.call(21));
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320 assertEquals(42, root.call(22));
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321 assertEquals(42, root.call(23));
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322 }
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323
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324 @NodeChild
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325 static class CachedError1 extends ValueNode {
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326 @Specialization
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327 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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328 @Cached("value") double cachedValue) {
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329 return value;
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330 }
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331 }
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332
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333 @NodeChild
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334 static class CachedError2 extends ValueNode {
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335
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336 // caches are not allowed to make backward references
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337
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338 @Specialization
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339 static int do1(int value,
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340 @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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341 @Cached("value") int cachedValue2) {
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342 return cachedValue1 + cachedValue2;
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343 }
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344
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345 }
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346
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347 @NodeChild
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348 static class CachedError3 extends ValueNode {
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349
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350 // cyclic dependency between cached expressions
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351 @Specialization
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352 static int do1(int value,
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353 @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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354 @Cached("cachedValue1") int cachedValue2) {
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355 return cachedValue1 + cachedValue2;
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356 }
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357
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358 }
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359
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360 }