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annotate graal/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/CachedTest.java @ 21077:4cba24bef2ee

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Truffle-DSL: fix unnecessary cast in generated isIdentical for types used just in cached expressions .
author Christian Humer <christian.humer@gmail.com>
date Wed, 22 Apr 2015 15:04:01 +0200
parents 62c43fcf5be2
children b1530a6cce8c
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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.*;
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26 import static org.junit.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.*;
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31 import com.oracle.truffle.api.dsl.*;
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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 com.oracle.truffle.api.dsl.test.TypeSystemTest.ValueNode;
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43 import com.oracle.truffle.api.nodes.*;
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44
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45 @SuppressWarnings("unused")
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46 public class CachedTest {
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47
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48 @Test
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49 public void testUnboundCache() {
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50 CallTarget root = createCallTarget(UnboundCacheFactory.getInstance());
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51 assertEquals(42, root.call(42));
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52 assertEquals(42, root.call(43));
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53 assertEquals(42, root.call(44));
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54 }
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55
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56 @NodeChild
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57 static class UnboundCache extends ValueNode {
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58 @Specialization
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59 static int do1(int value, @Cached("value") int cachedValue) {
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60 return cachedValue;
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61 }
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62 }
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63
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64 @Test
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65 public void testBoundCache() {
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66 CallTarget root = createCallTarget(BoundCacheFactory.getInstance());
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67 assertEquals(42, root.call(42));
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68 assertEquals(43, root.call(43));
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69 assertEquals(44, root.call(44));
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70 try {
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71 root.call(45);
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72 fail();
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73 } catch (UnsupportedSpecializationException e) {
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74 }
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75 }
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76
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77 @NodeChild
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78 static class BoundCache extends ValueNode {
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79
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80 @Specialization(guards = "value == cachedValue", limit = "3")
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81 static int do1(int value, @Cached("value") int cachedValue) {
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82 return cachedValue;
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83 }
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84
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85 }
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86
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87 @Test
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88 public void testBoundCacheOverflow() {
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89 CallTarget root = createCallTarget(BoundCacheOverflowFactory.getInstance());
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90 assertEquals(42, root.call(42));
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91 assertEquals(43, root.call(43));
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92 assertEquals(-1, root.call(44));
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93 assertEquals(42, root.call(42));
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94 assertEquals(43, root.call(43));
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95 assertEquals(-1, root.call(44));
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96 }
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97
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98 @NodeChild
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99 static class BoundCacheOverflow extends ValueNode {
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100
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101 @Specialization(guards = "value == cachedValue", limit = "2")
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102 static int do1(int value, @Cached("value") int cachedValue) {
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103 return cachedValue;
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104 }
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105
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106 @Specialization
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107 static int do2(int value) {
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108 return -1;
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109 }
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110
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111 }
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112
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113 @Test
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114 public void testBoundCacheOverflowContains() {
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115 CallTarget root = createCallTarget(TestBoundCacheOverflowContainsFactory.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 assertEquals(-1, root.call(44));
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119 assertEquals(-1, root.call(42));
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120 assertEquals(-1, root.call(43));
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121 assertEquals(-1, root.call(44));
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122 }
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123
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124 @NodeChild
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125 static class TestBoundCacheOverflowContains extends ValueNode {
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126
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127 @Specialization(guards = "value == cachedValue", limit = "2")
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128 static int do1(int value, @Cached("value") int cachedValue) {
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129 return cachedValue;
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130 }
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131
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132 @Specialization(contains = "do1")
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133 static int do2(int value) {
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134 return -1;
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135 }
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136
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137 }
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138
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139 @Test
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140 public void testCacheField() {
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141 CallTarget root = createCallTarget(TestCacheFieldFactory.getInstance());
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142 assertEquals(3, root.call(42));
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143 assertEquals(3, root.call(43));
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144 }
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145
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146 @NodeChild
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147 static class TestCacheField extends ValueNode {
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148
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149 protected int field = 3;
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150
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151 @Specialization()
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152 static int do1(int value, @Cached("field") int cachedValue) {
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153 return cachedValue;
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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 testCacheNodeField() {
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160 CallTarget root = createCallTarget(TestCacheNodeFieldFactory.getInstance(), 21);
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161 assertEquals(21, root.call(42));
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162 assertEquals(21, root.call(43));
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163 }
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164
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165 @NodeChild
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166 @NodeField(name = "field", type = int.class)
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167 static class TestCacheNodeField extends ValueNode {
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168
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169 @Specialization
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170 static int do1(int value, @Cached("field") int cachedValue) {
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171 return cachedValue;
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172 }
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173
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174 }
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175
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176 @Test
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177 public void testCacheMethod() {
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178 TestCacheMethod.invocations = 0;
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179 CallTarget root = createCallTarget(TestCacheMethodFactory.getInstance());
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180 assertEquals(42, root.call(42));
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181 assertEquals(42, root.call(43));
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182 assertEquals(42, root.call(44));
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183 assertEquals(1, TestCacheMethod.invocations);
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184 }
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185
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186 @NodeChild
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187 static class TestCacheMethod extends ValueNode {
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188
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189 static int invocations = 0;
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190
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191 @Specialization
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192 static int do1(int value, @Cached("someMethod(value)") int cachedValue) {
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193 return cachedValue;
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194 }
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195
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196 static int someMethod(int value) {
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197 invocations++;
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198 return value;
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199 }
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200
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201 }
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202
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203 @Test
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204 public void testGuardWithJustCachedParameter() {
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205 TestGuardWithJustCachedParameter.invocations = 0;
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206 CallTarget root = createCallTarget(TestGuardWithJustCachedParameterFactory.getInstance());
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207 assertEquals(42, root.call(42));
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208 assertEquals(42, root.call(43));
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209 assertEquals(42, root.call(44));
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210 // guards with just cached parameters are just invoked on the slow path
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211 assertEquals(assertionsEnabled() ? 4 : 1, TestGuardWithJustCachedParameter.invocations);
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212 }
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213
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214 @NodeChild
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215 static class TestGuardWithJustCachedParameter extends ValueNode {
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216
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217 static int invocations = 0;
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218
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219 @Specialization(guards = "someMethod(cachedValue)")
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220 static int do1(int value, @Cached("value") int cachedValue) {
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221 return cachedValue;
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222 }
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223
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224 static boolean someMethod(int value) {
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225 invocations++;
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226 return true;
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227 }
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228
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229 }
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230
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231 @Test
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232 public void testGuardWithCachedAndDynamicParameter() {
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233 TestGuardWithCachedAndDynamicParameter.cachedMethodInvocations = 0;
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234 TestGuardWithCachedAndDynamicParameter.dynamicMethodInvocations = 0;
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235 CallTarget root = createCallTarget(TestGuardWithCachedAndDynamicParameterFactory.getInstance());
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236 assertEquals(42, root.call(42));
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237 assertEquals(42, root.call(43));
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238 assertEquals(42, root.call(44));
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239 // guards with just cached parameters are just invoked on the slow path
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240 assertEquals(assertionsEnabled() ? 4 : 1, TestGuardWithCachedAndDynamicParameter.cachedMethodInvocations);
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241 assertEquals(4, TestGuardWithCachedAndDynamicParameter.dynamicMethodInvocations);
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242 }
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243
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244 @NodeChild
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245 static class TestGuardWithCachedAndDynamicParameter extends ValueNode {
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246
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247 static int cachedMethodInvocations = 0;
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248 static int dynamicMethodInvocations = 0;
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249
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250 @Specialization(guards = {"dynamicMethod(value)", "cachedMethod(cachedValue)"})
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251 static int do1(int value, @Cached("value") int cachedValue) {
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252 return cachedValue;
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253 }
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254
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255 static boolean cachedMethod(int value) {
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256 cachedMethodInvocations++;
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257 return true;
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258 }
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259
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260 static boolean dynamicMethod(int value) {
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261 dynamicMethodInvocations++;
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262 return true;
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263 }
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264
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265 }
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266
21077
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267 /*
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268 * Node should not produce any warnings in isIdentical of the generated code. Unnecessary casts
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269 * were generated for isIdentical on the fast path.
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270 */
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271 @NodeChildren({@NodeChild, @NodeChild})
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272 static class RegressionTestWarningInIsIdentical extends ValueNode {
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273
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274 @Specialization(guards = {"cachedName == name"})
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275 protected Object directAccess(String receiver, String name, //
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276 @Cached("name") String cachedName, //
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277 @Cached("create(receiver, name)") Object callHandle) {
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278 return receiver;
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279 }
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280
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281 protected static Object create(String receiver, String name) {
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282 return receiver;
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283 }
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284
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285 }
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286
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287 @NodeChild
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288 static class TestMultipleCaches extends ValueNode {
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289
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290 @Specialization
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291 static int do1(int value, @Cached("value") int cachedValue1, @Cached("value") int cachedValue2) {
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292 return cachedValue1 + cachedValue2;
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293 }
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294
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295 }
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296
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297 @Test
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298 public void testMultipleCaches() {
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299 CallTarget root = createCallTarget(TestMultipleCachesFactory.getInstance());
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300 assertEquals(42, root.call(21));
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301 assertEquals(42, root.call(22));
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302 assertEquals(42, root.call(23));
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303 }
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304
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305 @NodeChild
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306 static class CachedError1 extends ValueNode {
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307 @Specialization
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308 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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309 @Cached("value") double cachedValue) {
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310 return value;
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311 }
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312 }
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313
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314 @NodeChild
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315 static class CachedError2 extends ValueNode {
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316
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317 // caches are not allowed to make backward references
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318
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319 @Specialization
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320 static int do1(int value,
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321 @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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322 @Cached("value") int cachedValue2) {
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323 return cachedValue1 + cachedValue2;
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324 }
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325
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326 }
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327
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328 @NodeChild
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329 static class CachedError3 extends ValueNode {
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330
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331 // cyclic dependency between cached expressions
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332 @Specialization
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333 static int do1(int value,
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334 @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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335 @Cached("cachedValue1") int cachedValue2) {
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336 return cachedValue1 + cachedValue2;
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337 }
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338
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339 }
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340
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341 }