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annotate graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/ea/PEAReadEliminationTest.java @ 20068:cc3131ff7ce2

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Remove GraphCache option.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Sun, 29 Mar 2015 20:51:22 +0200
parents ea8d6fa333ab
children 6fa45d1d8c70
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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 java.util.*;
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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.compiler.test.*;
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30 import com.oracle.graal.nodes.*;
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31 import com.oracle.graal.nodes.StructuredGraph.AllowAssumptions;
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32 import com.oracle.graal.nodes.java.*;
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33 import com.oracle.graal.phases.common.*;
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34 import com.oracle.graal.phases.common.inlining.*;
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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().filter(LoadFieldNode.class).isEmpty());
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87 assertTrue(result.isConstant());
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88 assertDeepEquals(2, result.asJavaConstant().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().filter(LoadFieldNode.class).isEmpty());
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116 assertDeepEquals(graph.getParameter(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().filter(LoadFieldNode.class).isEmpty());
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130 assertDeepEquals(graph.getParameter(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().filter(LoadFieldNode.class).isEmpty());
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146 assertDeepEquals(graph.getParameter(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 assertDeepEquals(0, graph.getNodes().filter(LoadFieldNode.class).count());
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164 assertTrue(result instanceof ProxyNode);
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165 assertTrue(((ProxyNode) result).value() instanceof ValuePhiNode);
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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 assertDeepEquals(1, graph.getNodes().filter(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 processMethod("testPhiSnippet");
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198 assertTrue(graph.getNodes().filter(LoadFieldNode.class).isEmpty());
19403
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199 List<ReturnNode> returnNodes = graph.getNodes(ReturnNode.TYPE).snapshot();
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200 assertDeepEquals(2, returnNodes.size());
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201 assertTrue(returnNodes.get(0).predecessor() instanceof StoreFieldNode);
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202 assertTrue(returnNodes.get(1).predecessor() instanceof StoreFieldNode);
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203 assertTrue(returnNodes.get(0).result().isConstant());
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204 assertTrue(returnNodes.get(1).result().isConstant());
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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 assertDeepEquals(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 assertDeepEquals(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);
19403
61d3cb8e1280 Add generic parameter to NodeClass. Change Graph#getNodes(Class) to Graph#getNodes(NodeClass).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 19306
diff changeset
239 assertDeepEquals(1, graph.getNodes(ReturnNode.TYPE).count());
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240 return graph.getNodes(ReturnNode.TYPE).first();
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241 }
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242
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243 protected void processMethod(final String snippet) {
19306
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244 graph = parseEager(snippet, AllowAssumptions.NO);
20068
cc3131ff7ce2 Remove GraphCache option.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 19765
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245 HighTierContext context = getDefaultHighTierContext();
19709
2fd45bb25118 Initial version of new dominator-based conditional elimination phase.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff changeset
246 new InliningPhase(new CanonicalizerPhase()).apply(graph, context);
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247 new PartialEscapePhase(false, true, new CanonicalizerPhase(), null).apply(graph, context);
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248 }
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249 }