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annotate graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/ea/PEAReadEliminationTest.java @ 15473:9fa849f665cc

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cleanup phase within PartialEscapePhase
author Lukas Stadler <lukas.stadler@oracle.com>
date Fri, 02 May 2014 14:48:25 +0200
parents c55f44b3c5e5
children 7b09605b29c5
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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 import java.util.*;
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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.graal.api.code.*;
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31 import com.oracle.graal.compiler.test.*;
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32 import com.oracle.graal.nodes.*;
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33 import com.oracle.graal.nodes.java.*;
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34 import com.oracle.graal.phases.*;
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35 import com.oracle.graal.phases.common.*;
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36 import com.oracle.graal.phases.common.inlining.*;
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37 import com.oracle.graal.phases.tiers.*;
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38 import com.oracle.graal.virtual.phases.ea.*;
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39
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40 public class PEAReadEliminationTest extends GraalCompilerTest {
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41
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42 protected StructuredGraph graph;
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43
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44 public static Object staticField;
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45
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46 public static class TestObject {
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47
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48 public int x;
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49 public int y;
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50
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51 public TestObject(int x, int y) {
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52 this.x = x;
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53 this.y = y;
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54 }
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55 }
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56
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57 public static class TestObject2 {
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58
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59 public Object x;
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60 public Object y;
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61
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62 public TestObject2(Object x, Object y) {
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63 this.x = x;
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64 this.y = y;
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65 }
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66 }
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67
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68 public static class TestObject3 extends TestObject {
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69
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70 public int z;
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71
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72 public TestObject3(int x, int y, int z) {
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73 super(x, y);
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74 this.z = z;
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75 }
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76 }
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77
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78 @SuppressWarnings("all")
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79 public static int testSimpleSnippet(TestObject a) {
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80 a.x = 2;
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81 staticField = a;
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82 return a.x;
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83 }
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84
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85 @Test
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86 public void testSimple() {
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87 ValueNode result = getReturn("testSimpleSnippet").result();
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88 assertTrue(graph.getNodes().filter(LoadFieldNode.class).isEmpty());
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89 assertTrue(result.isConstant());
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90 assertEquals(2, result.asConstant().asInt());
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91 }
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92
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93 @SuppressWarnings("all")
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94 public static int testSimpleConflictSnippet(TestObject a, TestObject b) {
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95 a.x = 2;
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96 b.x = 3;
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97 staticField = a;
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98 return a.x;
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99 }
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100
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101 @Test
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102 public void testSimpleConflict() {
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103 ValueNode result = getReturn("testSimpleConflictSnippet").result();
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104 assertFalse(result.isConstant());
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105 assertTrue(result instanceof LoadFieldNode);
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106 }
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107
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108 @SuppressWarnings("all")
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109 public static int testParamSnippet(TestObject a, int b) {
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110 a.x = b;
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111 return a.x;
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112 }
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113
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114 @Test
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115 public void testParam() {
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116 ValueNode result = getReturn("testParamSnippet").result();
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117 assertTrue(graph.getNodes().filter(LoadFieldNode.class).isEmpty());
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118 assertEquals(graph.getParameter(1), result);
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119 }
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120
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121 @SuppressWarnings("all")
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122 public static int testMaterializedSnippet(int a) {
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123 TestObject obj = new TestObject(a, 0);
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124 staticField = obj;
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125 return obj.x;
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126 }
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127
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128 @Test
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129 public void testMaterialized() {
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130 ValueNode result = getReturn("testMaterializedSnippet").result();
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131 assertTrue(graph.getNodes().filter(LoadFieldNode.class).isEmpty());
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132 assertEquals(graph.getParameter(0), result);
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133 }
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134
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135 @SuppressWarnings("all")
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136 public static int testSimpleLoopSnippet(TestObject obj, int a, int b) {
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137 obj.x = a;
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138 for (int i = 0; i < 10; i++) {
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139 staticField = obj;
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140 }
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141 return obj.x;
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142 }
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143
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144 @Test
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145 public void testSimpleLoop() {
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146 ValueNode result = getReturn("testSimpleLoopSnippet").result();
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147 assertTrue(graph.getNodes().filter(LoadFieldNode.class).isEmpty());
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148 assertEquals(graph.getParameter(1), result);
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149 }
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150
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151 @SuppressWarnings("all")
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152 public static int testBadLoopSnippet(TestObject obj, TestObject obj2, int a, int b) {
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153 obj.x = a;
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154 for (int i = 0; i < 10; i++) {
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155 staticField = obj;
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156 obj2.x = 10;
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157 obj.x = 0;
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158 }
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159 return obj.x;
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160 }
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161
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162 @Test
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163 public void testBadLoop() {
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164 ValueNode result = getReturn("testBadLoopSnippet").result();
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165 assertEquals(0, graph.getNodes().filter(LoadFieldNode.class).count());
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166 assertTrue(result instanceof ProxyNode);
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167 assertTrue(((ProxyNode) result).value() instanceof ValuePhiNode);
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168 }
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169
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170 @SuppressWarnings("all")
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171 public static int testBadLoop2Snippet(TestObject obj, TestObject obj2, int a, int b) {
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172 obj.x = a;
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173 for (int i = 0; i < 10; i++) {
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174 obj.x = 0;
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175 obj2.x = 10;
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176 }
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177 return obj.x;
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178 }
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179
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180 @Test
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181 public void testBadLoop2() {
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182 ValueNode result = getReturn("testBadLoop2Snippet").result();
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183 assertEquals(1, graph.getNodes().filter(LoadFieldNode.class).count());
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184 assertTrue(result instanceof LoadFieldNode);
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185 }
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186
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187 @SuppressWarnings("all")
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188 public static int testPhiSnippet(TestObject a, int b) {
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189 if (b < 0) {
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190 a.x = 1;
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191 } else {
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192 a.x = 2;
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193 }
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194 return a.x;
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195 }
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196
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197 @Test
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198 public void testPhi() {
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199 processMethod("testPhiSnippet");
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parents: 11660
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200 assertTrue(graph.getNodes().filter(LoadFieldNode.class).isEmpty());
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201 List<ReturnNode> returnNodes = graph.getNodes(ReturnNode.class).snapshot();
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202 assertEquals(2, returnNodes.size());
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203 assertTrue(returnNodes.get(0).predecessor() instanceof StoreFieldNode);
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204 assertTrue(returnNodes.get(1).predecessor() instanceof StoreFieldNode);
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205 assertTrue(returnNodes.get(0).result().isConstant());
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206 assertTrue(returnNodes.get(1).result().isConstant());
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207 }
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208
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209 @SuppressWarnings("all")
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210 public static void testSimpleStoreSnippet(TestObject a, int b) {
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211 a.x = b;
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212 a.x = b;
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213 }
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214
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215 @Test
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216 public void testSimpleStore() {
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217 processMethod("testSimpleStoreSnippet");
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218 assertEquals(1, graph.getNodes().filter(StoreFieldNode.class).count());
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219 }
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220
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221 public static int testValueProxySnippet(boolean b, TestObject o) {
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222 int sum = 0;
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223 if (b) {
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224 sum += o.x;
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225 } else {
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226 TestObject3 p = (TestObject3) o;
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227 sum += p.x;
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228 }
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229 sum += o.x;
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230 return sum;
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231 }
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232
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233 @Test
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234 public void testValueProxy() {
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235 processMethod("testValueProxySnippet");
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236 assertEquals(2, graph.getNodes().filter(LoadFieldNode.class).count());
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237 }
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238
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239 final ReturnNode getReturn(String snippet) {
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240 processMethod(snippet);
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diff changeset
241 assertEquals(1, graph.getNodes(ReturnNode.class).count());
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242 return graph.getNodes(ReturnNode.class).first();
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243 }
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244
10783
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diff changeset
245 protected void processMethod(final String snippet) {
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246 graph = parse(snippet);
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247 Assumptions assumptions = new Assumptions(false);
13585
f4f0a8a01ce0 remove PhasePlan
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parents: 12054
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248 HighTierContext context = new HighTierContext(getProviders(), assumptions, null, getDefaultGraphBuilderSuite(), OptimisticOptimizations.ALL);
11567
c69df2e602f4 Use CanonicalizerPhase.applyIncremental in InliningPhase.
Roland Schatz <roland.schatz@oracle.com>
parents: 11437
diff changeset
249 new InliningPhase(new CanonicalizerPhase(true)).apply(graph, context);
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250 new PartialEscapePhase(false, true, new CanonicalizerPhase(true), null).apply(graph, context);
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251 }
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252 }