Mercurial > hg > graal-jvmci-8
annotate graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/ea/PEAReadEliminationTest.java @ 10931:a9db73ccb7b9
Add more fields to HighTierContext.
author | Roland Schatz <roland.schatz@oracle.com> |
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date | Fri, 02 Aug 2013 10:51:12 +0200 |
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rev | line source |
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1 /* |
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2 * Copyright (c) 2011, 2013, 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.graal.compiler.test.ea; |
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24 |
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25 import static org.junit.Assert.*; |
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26 |
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27 import org.junit.*; |
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28 |
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29 import com.oracle.graal.api.code.*; |
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30 import com.oracle.graal.compiler.test.*; |
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31 import com.oracle.graal.nodes.*; |
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32 import com.oracle.graal.nodes.java.*; |
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33 import com.oracle.graal.phases.*; |
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34 import com.oracle.graal.phases.common.*; |
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35 import com.oracle.graal.phases.tiers.*; |
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36 import com.oracle.graal.virtual.phases.ea.*; |
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37 |
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38 public class PEAReadEliminationTest extends GraalCompilerTest { |
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39 |
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40 protected StructuredGraph graph; |
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41 |
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42 public static Object staticField; |
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43 |
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44 public static class TestObject { |
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45 |
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46 public int x; |
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47 public int y; |
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48 |
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49 public TestObject(int x, int y) { |
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50 this.x = x; |
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51 this.y = y; |
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52 } |
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53 } |
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54 |
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55 public static class TestObject2 { |
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56 |
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57 public Object x; |
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58 public Object y; |
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59 |
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60 public TestObject2(Object x, Object y) { |
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61 this.x = x; |
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62 this.y = y; |
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63 } |
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64 } |
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65 |
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66 public static class TestObject3 extends TestObject { |
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67 |
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68 public int z; |
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69 |
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70 public TestObject3(int x, int y, int z) { |
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71 super(x, y); |
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72 this.z = z; |
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73 } |
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74 } |
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75 |
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76 @SuppressWarnings("all") |
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77 public static int testSimpleSnippet(TestObject a) { |
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78 a.x = 2; |
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79 staticField = a; |
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80 return a.x; |
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81 } |
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82 |
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83 @Test |
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84 public void testSimple() { |
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85 ValueNode result = getReturn("testSimpleSnippet").result(); |
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86 assertTrue(graph.getNodes(LoadFieldNode.class).isEmpty()); |
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87 assertTrue(result.isConstant()); |
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88 assertEquals(2, result.asConstant().asInt()); |
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89 } |
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90 |
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91 @SuppressWarnings("all") |
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92 public static int testSimpleConflictSnippet(TestObject a, TestObject b) { |
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93 a.x = 2; |
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94 b.x = 3; |
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95 staticField = a; |
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96 return a.x; |
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97 } |
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98 |
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99 @Test |
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100 public void testSimpleConflict() { |
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101 ValueNode result = getReturn("testSimpleConflictSnippet").result(); |
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102 assertFalse(result.isConstant()); |
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103 assertTrue(result instanceof LoadFieldNode); |
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104 } |
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105 |
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106 @SuppressWarnings("all") |
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107 public static int testParamSnippet(TestObject a, int b) { |
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108 a.x = b; |
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109 return a.x; |
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110 } |
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111 |
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112 @Test |
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113 public void testParam() { |
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114 ValueNode result = getReturn("testParamSnippet").result(); |
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115 assertTrue(graph.getNodes(LoadFieldNode.class).isEmpty()); |
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116 assertEquals(graph.getLocal(1), result); |
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117 } |
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118 |
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119 @SuppressWarnings("all") |
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120 public static int testMaterializedSnippet(int a) { |
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121 TestObject obj = new TestObject(a, 0); |
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122 staticField = obj; |
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123 return obj.x; |
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124 } |
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125 |
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126 @Test |
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127 public void testMaterialized() { |
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128 ValueNode result = getReturn("testMaterializedSnippet").result(); |
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129 assertTrue(graph.getNodes(LoadFieldNode.class).isEmpty()); |
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130 assertEquals(graph.getLocal(0), result); |
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131 } |
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132 |
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133 @SuppressWarnings("all") |
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134 public static int testSimpleLoopSnippet(TestObject obj, int a, int b) { |
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135 obj.x = a; |
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136 for (int i = 0; i < 10; i++) { |
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137 staticField = obj; |
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138 } |
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139 return obj.x; |
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140 } |
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141 |
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142 @Test |
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143 public void testSimpleLoop() { |
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144 ValueNode result = getReturn("testSimpleLoopSnippet").result(); |
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145 assertTrue(graph.getNodes(LoadFieldNode.class).isEmpty()); |
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146 assertEquals(graph.getLocal(1), result); |
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147 } |
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148 |
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149 @SuppressWarnings("all") |
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150 public static int testBadLoopSnippet(TestObject obj, TestObject obj2, int a, int b) { |
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151 obj.x = a; |
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152 for (int i = 0; i < 10; i++) { |
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153 staticField = obj; |
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154 obj2.x = 10; |
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155 obj.x = 0; |
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156 } |
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157 return obj.x; |
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158 } |
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159 |
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160 @Test |
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161 public void testBadLoop() { |
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162 ValueNode result = getReturn("testBadLoopSnippet").result(); |
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163 assertEquals(0, graph.getNodes(LoadFieldNode.class).count()); |
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164 assertTrue(result instanceof ProxyNode); |
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165 assertTrue(((ProxyNode) result).value() instanceof PhiNode); |
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166 } |
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167 |
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168 @SuppressWarnings("all") |
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169 public static int testBadLoop2Snippet(TestObject obj, TestObject obj2, int a, int b) { |
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170 obj.x = a; |
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171 for (int i = 0; i < 10; i++) { |
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172 obj.x = 0; |
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173 obj2.x = 10; |
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174 } |
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175 return obj.x; |
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176 } |
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177 |
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178 @Test |
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179 public void testBadLoop2() { |
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180 ValueNode result = getReturn("testBadLoop2Snippet").result(); |
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181 assertEquals(1, graph.getNodes(LoadFieldNode.class).count()); |
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182 assertTrue(result instanceof LoadFieldNode); |
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183 } |
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184 |
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185 @SuppressWarnings("all") |
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186 public static int testPhiSnippet(TestObject a, int b) { |
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187 if (b < 0) { |
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188 a.x = 1; |
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189 } else { |
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190 a.x = 2; |
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191 } |
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192 return a.x; |
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193 } |
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194 |
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195 @Test |
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196 public void testPhi() { |
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197 ValueNode result = getReturn("testPhiSnippet").result(); |
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198 assertTrue(graph.getNodes(LoadFieldNode.class).isEmpty()); |
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199 assertTrue(result instanceof PhiNode); |
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200 PhiNode phi = (PhiNode) result; |
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201 assertTrue(phi.valueAt(0).isConstant()); |
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202 assertTrue(phi.valueAt(1).isConstant()); |
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203 assertEquals(1, phi.valueAt(0).asConstant().asInt()); |
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204 assertEquals(2, phi.valueAt(1).asConstant().asInt()); |
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205 } |
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206 |
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207 @SuppressWarnings("all") |
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208 public static void testSimpleStoreSnippet(TestObject a, int b) { |
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209 a.x = b; |
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210 a.x = b; |
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211 } |
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212 |
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213 @Test |
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214 public void testSimpleStore() { |
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215 processMethod("testSimpleStoreSnippet"); |
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216 assertEquals(1, graph.getNodes().filter(StoreFieldNode.class).count()); |
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217 } |
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218 |
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219 public static int testValueProxySnippet(boolean b, TestObject o) { |
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220 int sum = 0; |
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221 if (b) { |
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222 sum += o.x; |
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223 } else { |
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224 TestObject3 p = (TestObject3) o; |
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225 sum += p.x; |
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226 } |
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227 sum += o.x; |
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228 return sum; |
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229 } |
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230 |
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231 @Test |
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232 public void testValueProxy() { |
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233 processMethod("testValueProxySnippet"); |
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234 assertEquals(2, graph.getNodes().filter(LoadFieldNode.class).count()); |
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235 } |
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236 |
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237 final ReturnNode getReturn(String snippet) { |
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238 processMethod(snippet); |
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239 assertEquals(1, graph.getNodes(ReturnNode.class).count()); |
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240 return graph.getNodes(ReturnNode.class).first(); |
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241 } |
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242 |
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243 protected void processMethod(final String snippet) { |
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244 graph = parse(snippet); |
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245 Assumptions assumptions = new Assumptions(false); |
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246 HighTierContext context = new HighTierContext(runtime(), assumptions, replacements, null, getDefaultPhasePlan(), OptimisticOptimizations.ALL); |
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247 new InliningPhase(runtime(), null, replacements, assumptions, null, getDefaultPhasePlan(), OptimisticOptimizations.ALL).apply(graph); |
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248 CanonicalizerPhase canonicalizer = new CanonicalizerPhase(true); |
e35a72e32aae
add test for early read elimination
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
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249 new PartialEscapePhase(false, true, canonicalizer).apply(graph, context); |
e35a72e32aae
add test for early read elimination
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
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250 } |
e35a72e32aae
add test for early read elimination
Lukas Stadler <lukas.stadler@jku.at>
parents:
diff
changeset
|
251 } |