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annotate graal/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/SpecializationGroupingTest.java @ 11470:b010fd3de42d

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Truffle-DSL: added a test that covers wrong a wrong else connection bug.
author Christian Humer <christian.humer@gmail.com>
date Fri, 30 Aug 2013 13:11:48 +0200
parents 4f52b08bd2f9
children a317acdd5f2c
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11195
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1 /*
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2 * Copyright (c) 2012, 2012, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.truffle.api.dsl.test;
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24
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25 import org.junit.*;
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26
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27 import com.oracle.truffle.api.*;
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28 import com.oracle.truffle.api.dsl.*;
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29 import com.oracle.truffle.api.dsl.test.SpecializationGroupingTestFactory.TestElseConnectionBug1Factory;
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30 import com.oracle.truffle.api.dsl.test.SpecializationGroupingTestFactory.TestGroupingFactory;
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31 import com.oracle.truffle.api.dsl.test.TypeSystemTest.SimpleTypes;
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32 import com.oracle.truffle.api.dsl.test.TypeSystemTest.TestRootNode;
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33 import com.oracle.truffle.api.dsl.test.TypeSystemTest.ValueNode;
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34 import com.oracle.truffle.api.frame.*;
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35 import com.oracle.truffle.api.nodes.*;
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36
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37 /**
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38 * Tests execution counts of guards. While we do not make guarantees for guard invocation except for
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39 * their execution order our implementation reduces the calls to guards as much as possible.
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40 */
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41 public class SpecializationGroupingTest {
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42
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43 @Test
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44 public void testGrouping() {
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45 MockAssumption a1 = new MockAssumption(true);
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46 MockAssumption a2 = new MockAssumption(false);
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47 MockAssumption a3 = new MockAssumption(true);
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48
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49 TestRootNode<TestGrouping> root = TestHelper.createRoot(TestGroupingFactory.getInstance(), a1, a2, a3);
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50
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51 SimpleTypes.intCast = 0;
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52 SimpleTypes.intCheck = 0;
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53 TestGrouping.true1 = 0;
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54 TestGrouping.false1 = 0;
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55 TestGrouping.true2 = 0;
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56 TestGrouping.false2 = 0;
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57 TestGrouping.true3 = 0;
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58
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59 Assert.assertEquals(42, TestHelper.executeWith(root, 21, 21));
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60 Assert.assertEquals(1, TestGrouping.true1);
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61 Assert.assertEquals(1, TestGrouping.false1);
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62 Assert.assertEquals(1, TestGrouping.true2);
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63 Assert.assertEquals(1, TestGrouping.false2);
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64 Assert.assertEquals(1, TestGrouping.true3);
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65 Assert.assertEquals(2, SimpleTypes.intCheck);
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66 Assert.assertEquals(2, SimpleTypes.intCast);
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67 Assert.assertEquals(1, a1.checked);
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68 Assert.assertEquals(1, a2.checked);
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69 Assert.assertEquals(1, a3.checked);
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70
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71 Assert.assertEquals(42, TestHelper.executeWith(root, 21, 21));
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72 Assert.assertEquals(2, TestGrouping.true1);
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73 Assert.assertEquals(1, TestGrouping.false1);
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74 Assert.assertEquals(2, TestGrouping.true2);
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75 Assert.assertEquals(2, TestGrouping.false2);
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76 Assert.assertEquals(2, TestGrouping.true3);
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77
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78 Assert.assertEquals(2, a1.checked);
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79 Assert.assertEquals(1, a2.checked);
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80 Assert.assertEquals(2, a3.checked);
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81 Assert.assertEquals(2, SimpleTypes.intCheck);
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82 Assert.assertEquals(2, SimpleTypes.intCast);
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83
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84 }
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85
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86 @SuppressWarnings("unused")
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87 @NodeChildren({@NodeChild, @NodeChild})
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88 @NodeAssumptions({"a1", "a2", "a3"})
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89 public abstract static class TestGrouping extends ValueNode {
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90
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91 private static int true1;
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92 private static int false1;
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93 private static int true2;
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94 private static int false2;
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95 private static int true3;
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96
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97 protected boolean true1(int value) {
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98 true1++;
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99 return true;
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100 }
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101
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102 protected boolean false1(int value, int value2) {
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103 false1++;
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104 return false;
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105 }
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106
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107 protected boolean true2(int value) {
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108 true2++;
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109 return true;
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110 }
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111
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112 protected boolean false2(int value) {
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113 false2++;
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114 return false;
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115 }
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116
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117 protected boolean true3(int value) {
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118 true3++;
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119 return true;
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120 }
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121
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122 @Specialization(order = 1)
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123 public int fail(int value1, String value2) {
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124 throw new AssertionError();
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125 }
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126
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127 @Specialization(order = 2, guards = {"true1", "false1"})
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128 public int fail1(int value1, int value2) {
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129 throw new AssertionError();
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130 }
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131
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132 @Specialization(order = 3, guards = {"true1", "true2"}, assumptions = {"a1", "a2"})
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133 public int fail2(int value1, int value2) {
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134 throw new AssertionError();
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135 }
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136
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137 @Specialization(order = 4, guards = {"true1", "true2"}, assumptions = {"a1", "a3"}, rewriteOn = RuntimeException.class)
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138 public int throwRewrite(int value1, int value2) {
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139 throw new RuntimeException();
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140 }
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141
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142 @Specialization(order = 5, guards = {"true1", "true2", "false2"}, assumptions = {"a1", "a3"})
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143 public int fail4(int value1, int value2) {
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144 throw new AssertionError();
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145 }
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146
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147 @Specialization(order = 6, guards = {"true1", "true2", "!false2", "!true3"}, assumptions = {"a1", "a3"})
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148 public int fail5(int value1, int value2) {
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149 throw new AssertionError();
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150 }
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151
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152 @Specialization(order = 7, guards = {"true1", "true2", "!false2", "true3"}, assumptions = {"a1", "a3"})
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153 public int success(int value1, int value2) {
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154 return value1 + value2;
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155 }
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156
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157 }
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158
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159 @Test
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160 public void testElseConnectionBug1() {
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161 CallTarget target = TestHelper.createCallTarget(TestElseConnectionBug1Factory.create(new GenericInt()));
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162 Assert.assertEquals(42, target.call());
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163 }
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164
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165 @SuppressWarnings("unused")
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166 @NodeChild(value = "genericChild", type = GenericInt.class)
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167 public abstract static class TestElseConnectionBug1 extends ValueNode {
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168
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169 @Specialization(order = 1, rewriteOn = {SlowPathException.class}, guards = "isInitialized")
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170 public int doInteger(int value) throws SlowPathException {
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171 throw new SlowPathException();
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172 }
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173
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174 @Specialization(order = 3, guards = "isInitialized")
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175 public int doObject(int value) {
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176 return value == 42 ? value : 0;
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177 }
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178
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179 @Specialization(order = 4, guards = "!isInitialized")
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180 public Object doUninitialized(int value) {
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181 throw new AssertionError();
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182 }
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183
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184 boolean isInitialized(int value) {
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185 return true;
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186 }
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187 }
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188
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189 public static final class GenericInt extends ValueNode {
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190
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191 @Override
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192 public Object execute(VirtualFrame frame) {
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193 return executeInt(frame);
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194 }
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195
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196 @Override
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197 public int executeInt(VirtualFrame frame) {
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198 return 42;
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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 private static class MockAssumption implements Assumption {
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204
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205 int checked;
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206
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207 private final boolean valid;
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208
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209 public MockAssumption(boolean valid) {
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210 this.valid = valid;
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211 }
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212
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213 public void check() throws InvalidAssumptionException {
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214 checked++;
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diff changeset
215 if (!valid) {
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diff changeset
216 throw new InvalidAssumptionException();
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217 }
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218 }
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219
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220 public boolean isValid() {
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diff changeset
221 checked++;
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222 return valid;
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223 }
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224
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225 public void invalidate() {
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226 throw new UnsupportedOperationException();
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227 }
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228
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229 public String getName() {
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diff changeset
230 throw new UnsupportedOperationException();
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parents:
diff changeset
231 }
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parents:
diff changeset
232
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233 }
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234
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
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diff changeset
235 }