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annotate graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/ea/PEAReadEliminationTest.java @ 18187:9619ba4daf4c

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Rename Constant to JavaConstant.
author Roland Schatz <roland.schatz@oracle.com>
date Thu, 30 Oct 2014 12:21:07 +0100
parents cbd42807a31f
children 8ab925a6f724
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1 /*
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2 * Copyright (c) 2011, 2014, 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 java.util.*;
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28
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29 import org.junit.*;
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30
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31 import com.oracle.graal.api.code.*;
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32 import com.oracle.graal.compiler.test.*;
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33 import com.oracle.graal.nodes.*;
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34 import com.oracle.graal.nodes.java.*;
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35 import com.oracle.graal.phases.*;
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36 import com.oracle.graal.phases.common.*;
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37 import com.oracle.graal.phases.common.inlining.*;
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38 import com.oracle.graal.phases.tiers.*;
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39 import com.oracle.graal.virtual.phases.ea.*;
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40
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41 public class PEAReadEliminationTest extends GraalCompilerTest {
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42
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43 protected StructuredGraph graph;
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44
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45 public static Object staticField;
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46
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47 public static class TestObject {
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48
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49 public int x;
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50 public int y;
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51
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52 public TestObject(int x, int y) {
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53 this.x = x;
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54 this.y = y;
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55 }
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56 }
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57
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58 public static class TestObject2 {
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59
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60 public Object x;
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61 public Object y;
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62
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63 public TestObject2(Object x, Object y) {
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64 this.x = x;
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65 this.y = y;
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66 }
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67 }
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68
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69 public static class TestObject3 extends TestObject {
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70
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71 public int z;
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72
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73 public TestObject3(int x, int y, int z) {
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74 super(x, y);
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75 this.z = z;
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76 }
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77 }
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78
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79 @SuppressWarnings("all")
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80 public static int testSimpleSnippet(TestObject a) {
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81 a.x = 2;
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82 staticField = a;
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83 return a.x;
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84 }
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85
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86 @Test
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87 public void testSimple() {
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88 ValueNode result = getReturn("testSimpleSnippet").result();
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89 assertTrue(graph.getNodes().filter(LoadFieldNode.class).isEmpty());
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90 assertTrue(result.isConstant());
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91 assertDeepEquals(2, result.asJavaConstant().asInt());
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92 }
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93
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94 @SuppressWarnings("all")
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95 public static int testSimpleConflictSnippet(TestObject a, TestObject b) {
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96 a.x = 2;
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97 b.x = 3;
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98 staticField = a;
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99 return a.x;
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100 }
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101
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102 @Test
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103 public void testSimpleConflict() {
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104 ValueNode result = getReturn("testSimpleConflictSnippet").result();
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105 assertFalse(result.isConstant());
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106 assertTrue(result instanceof LoadFieldNode);
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107 }
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108
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109 @SuppressWarnings("all")
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110 public static int testParamSnippet(TestObject a, int b) {
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111 a.x = b;
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112 return a.x;
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113 }
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114
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115 @Test
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116 public void testParam() {
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117 ValueNode result = getReturn("testParamSnippet").result();
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118 assertTrue(graph.getNodes().filter(LoadFieldNode.class).isEmpty());
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119 assertDeepEquals(graph.getParameter(1), result);
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120 }
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121
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122 @SuppressWarnings("all")
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123 public static int testMaterializedSnippet(int a) {
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124 TestObject obj = new TestObject(a, 0);
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125 staticField = obj;
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126 return obj.x;
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127 }
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128
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129 @Test
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130 public void testMaterialized() {
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131 ValueNode result = getReturn("testMaterializedSnippet").result();
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132 assertTrue(graph.getNodes().filter(LoadFieldNode.class).isEmpty());
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133 assertDeepEquals(graph.getParameter(0), result);
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134 }
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135
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136 @SuppressWarnings("all")
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137 public static int testSimpleLoopSnippet(TestObject obj, int a, int b) {
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138 obj.x = a;
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139 for (int i = 0; i < 10; i++) {
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140 staticField = obj;
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141 }
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142 return obj.x;
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143 }
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144
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145 @Test
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146 public void testSimpleLoop() {
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147 ValueNode result = getReturn("testSimpleLoopSnippet").result();
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148 assertTrue(graph.getNodes().filter(LoadFieldNode.class).isEmpty());
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149 assertDeepEquals(graph.getParameter(1), result);
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150 }
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151
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152 @SuppressWarnings("all")
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153 public static int testBadLoopSnippet(TestObject obj, TestObject obj2, int a, int b) {
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154 obj.x = a;
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155 for (int i = 0; i < 10; i++) {
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156 staticField = obj;
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157 obj2.x = 10;
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158 obj.x = 0;
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159 }
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160 return obj.x;
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161 }
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162
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163 @Test
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164 public void testBadLoop() {
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165 ValueNode result = getReturn("testBadLoopSnippet").result();
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166 assertDeepEquals(0, graph.getNodes().filter(LoadFieldNode.class).count());
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167 assertTrue(result instanceof ProxyNode);
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168 assertTrue(((ProxyNode) result).value() instanceof ValuePhiNode);
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169 }
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170
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171 @SuppressWarnings("all")
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172 public static int testBadLoop2Snippet(TestObject obj, TestObject obj2, int a, int b) {
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173 obj.x = a;
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174 for (int i = 0; i < 10; i++) {
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175 obj.x = 0;
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176 obj2.x = 10;
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177 }
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178 return obj.x;
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179 }
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180
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181 @Test
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182 public void testBadLoop2() {
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183 ValueNode result = getReturn("testBadLoop2Snippet").result();
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184 assertDeepEquals(1, graph.getNodes().filter(LoadFieldNode.class).count());
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185 assertTrue(result instanceof LoadFieldNode);
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186 }
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187
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188 @SuppressWarnings("all")
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189 public static int testPhiSnippet(TestObject a, int b) {
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190 if (b < 0) {
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191 a.x = 1;
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192 } else {
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193 a.x = 2;
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194 }
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195 return a.x;
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196 }
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197
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198 @Test
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199 public void testPhi() {
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200 processMethod("testPhiSnippet");
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201 assertTrue(graph.getNodes().filter(LoadFieldNode.class).isEmpty());
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202 List<ReturnNode> returnNodes = graph.getNodes(ReturnNode.class).snapshot();
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203 assertDeepEquals(2, returnNodes.size());
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204 assertTrue(returnNodes.get(0).predecessor() instanceof StoreFieldNode);
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205 assertTrue(returnNodes.get(1).predecessor() instanceof StoreFieldNode);
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206 assertTrue(returnNodes.get(0).result().isConstant());
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207 assertTrue(returnNodes.get(1).result().isConstant());
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208 }
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209
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210 @SuppressWarnings("all")
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211 public static void testSimpleStoreSnippet(TestObject a, int b) {
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212 a.x = b;
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213 a.x = b;
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214 }
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215
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216 @Test
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217 public void testSimpleStore() {
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218 processMethod("testSimpleStoreSnippet");
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219 assertDeepEquals(1, graph.getNodes().filter(StoreFieldNode.class).count());
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220 }
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221
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diff changeset
222 public static int testValueProxySnippet(boolean b, TestObject o) {
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diff changeset
223 int sum = 0;
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224 if (b) {
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225 sum += o.x;
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226 } else {
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227 TestObject3 p = (TestObject3) o;
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228 sum += p.x;
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229 }
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230 sum += o.x;
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231 return sum;
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232 }
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233
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234 @Test
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235 public void testValueProxy() {
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236 processMethod("testValueProxySnippet");
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237 assertDeepEquals(2, graph.getNodes().filter(LoadFieldNode.class).count());
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238 }
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239
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240 final ReturnNode getReturn(String snippet) {
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241 processMethod(snippet);
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242 assertDeepEquals(1, graph.getNodes(ReturnNode.class).count());
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243 return graph.getNodes(ReturnNode.class).first();
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244 }
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245
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diff changeset
246 protected void processMethod(final String snippet) {
16714
1668de777c42 renamed GraalCompilerTest.parse to GraalCompilerTest.parseEager and improved javadoc for all parse* methods
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247 graph = parseEager(snippet);
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248 Assumptions assumptions = new Assumptions(false);
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249 HighTierContext context = new HighTierContext(getProviders(), assumptions, null, getDefaultGraphBuilderSuite(), OptimisticOptimizations.ALL);
11567
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Roland Schatz <roland.schatz@oracle.com>
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diff changeset
250 new InliningPhase(new CanonicalizerPhase(true)).apply(graph, context);
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251 new PartialEscapePhase(false, true, new CanonicalizerPhase(true), null).apply(graph, context);
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252 }
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253 }