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annotate graal/com.oracle.graal.snippets.test/src/com/oracle/graal/snippets/IntrinsificationTest.java @ 7530:5e3d1a68664e

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applied mx eclipseformat to all Java files
author Doug Simon <doug.simon@oracle.com>
date Wed, 23 Jan 2013 16:34:57 +0100
parents f368ec89e231
children 961ad124cb21
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1 /*
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2 * Copyright (c) 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.graal.snippets;
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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.concurrent.*;
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28
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29 import org.junit.*;
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30
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31 import sun.misc.*;
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32
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33 import com.oracle.graal.api.code.*;
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34 import com.oracle.graal.compiler.test.*;
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35 import com.oracle.graal.debug.*;
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36 import com.oracle.graal.graph.*;
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37 import com.oracle.graal.nodes.*;
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38 import com.oracle.graal.nodes.calc.*;
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39 import com.oracle.graal.phases.*;
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40 import com.oracle.graal.phases.common.*;
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41 import com.oracle.graal.snippets.nodes.*;
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42
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43 /**
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44 * Tests if compiler intrinsics are inlined correctly. Most test cases only assert that there are no
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45 * remaining invocations in the graph. This is sufficient if the method that is being intrinsified
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46 * is a native method. For Java methods, additional checks are necessary.
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47 */
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48 public class IntrinsificationTest extends GraalCompilerTest {
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49
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50 @Test
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51 public void testObjectIntrinsics() {
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52 test("getClassSnippet");
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53 test("objectHashCodeSnippet");
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54 }
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55
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56 @SuppressWarnings("all")
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57 public static boolean getClassSnippet(Object obj, Class<?> clazz) {
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58 return obj.getClass() == clazz;
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59 }
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60
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61 @SuppressWarnings("all")
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62 public static int objectHashCodeSnippet(TestClassA obj) {
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63 return obj.hashCode();
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64 }
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65
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66 @Test
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67 public void testClassIntrinsics() {
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68 test("getModifiersSnippet");
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69 test("isInstanceSnippet");
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70 test("isInterfaceSnippet");
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71 test("isArraySnippet");
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72 test("isPrimitiveSnippet");
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73 test("getSuperClassSnippet");
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74 test("getComponentTypeSnippet");
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75 }
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76
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77 @SuppressWarnings("all")
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78 public static int getModifiersSnippet(Class<?> clazz) {
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79 return clazz.getModifiers();
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80 }
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81
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82 @SuppressWarnings("all")
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83 public static boolean isInstanceSnippet(Class<?> clazz) {
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84 return clazz.isInstance(Number.class);
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85 }
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86
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87 @SuppressWarnings("all")
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88 public static boolean isInterfaceSnippet(Class<?> clazz) {
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89 return clazz.isInterface();
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90 }
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91
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92 @SuppressWarnings("all")
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93 public static boolean isArraySnippet(Class<?> clazz) {
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94 return clazz.isArray();
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95 }
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96
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97 @SuppressWarnings("all")
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98 public static boolean isPrimitiveSnippet(Class<?> clazz) {
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99 return clazz.isPrimitive();
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100 }
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101
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102 @SuppressWarnings("all")
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103 public static Class<?> getSuperClassSnippet(Class<?> clazz) {
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104 return clazz.getSuperclass();
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105 }
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106
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107 @SuppressWarnings("all")
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108 public static Class<?> getComponentTypeSnippet(Class<?> clazz) {
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109 return clazz.getComponentType();
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110 }
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111
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112 @Test
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113 public void testThreadIntrinsics() {
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114 test("currentThreadSnippet");
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115 test("threadIsInterruptedSnippet");
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116 test("threadInterruptedSnippet");
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117 }
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118
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119 @SuppressWarnings("all")
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120 public static Thread currentThreadSnippet() {
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121 return Thread.currentThread();
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122 }
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123
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124 @SuppressWarnings("all")
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125 public static boolean threadIsInterruptedSnippet(Thread thread) {
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126 return thread.isInterrupted();
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127 }
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128
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129 @SuppressWarnings("all")
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130 public static boolean threadInterruptedSnippet() {
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131 return Thread.interrupted();
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132 }
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133
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134 @Test
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135 public void testSystemIntrinsics() {
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136 test("systemTimeSnippet");
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137 test("systemIdentityHashCode");
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138 }
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139
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140 @SuppressWarnings("all")
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141 public static long systemTimeSnippet() {
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142 return System.currentTimeMillis() + System.nanoTime();
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143 }
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144
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145 @SuppressWarnings("all")
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146 public static int systemIdentityHashCode(Object obj) {
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147 return System.identityHashCode(obj);
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148 }
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149
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150 @Test
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151 public void testUnsafeIntrinsics() {
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152 test("unsafeCompareAndSwapIntSnippet");
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153 test("unsafeCompareAndSwapLongSnippet");
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154 test("unsafeCompareAndSwapObjectSnippet");
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155
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156 test("unsafeGetBooleanSnippet");
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157 test("unsafeGetByteSnippet");
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158 test("unsafeGetShortSnippet");
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159 test("unsafeGetCharSnippet");
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160 test("unsafeGetIntSnippet");
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161 test("unsafeGetFloatSnippet");
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162 test("unsafeGetDoubleSnippet");
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163 test("unsafeGetObjectSnippet");
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164
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165 test("unsafePutBooleanSnippet");
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166 test("unsafePutByteSnippet");
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167 test("unsafePutShortSnippet");
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168 test("unsafePutCharSnippet");
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169 test("unsafePutIntSnippet");
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170 test("unsafePutFloatSnippet");
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171 test("unsafePutDoubleSnippet");
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172 test("unsafePutObjectSnippet");
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173
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174 test("unsafeDirectMemoryReadSnippet");
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175 test("unsafeDirectMemoryWriteSnippet");
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176 }
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177
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178 @SuppressWarnings("all")
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179 public static boolean unsafeCompareAndSwapIntSnippet(Unsafe unsafe, Object obj, long offset) {
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180 return unsafe.compareAndSwapInt(obj, offset, 0, 1);
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181 }
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182
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183 @SuppressWarnings("all")
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184 public static boolean unsafeCompareAndSwapLongSnippet(Unsafe unsafe, Object obj, long offset) {
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185 return unsafe.compareAndSwapLong(obj, offset, 0, 1);
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186 }
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187
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188 @SuppressWarnings("all")
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189 public static boolean unsafeCompareAndSwapObjectSnippet(Unsafe unsafe, Object obj, long offset) {
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190 return unsafe.compareAndSwapObject(obj, offset, null, new Object());
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191 }
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192
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193 @SuppressWarnings("all")
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194 public static boolean unsafeGetBooleanSnippet(Unsafe unsafe, Object obj, long offset) {
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195 return unsafe.getBoolean(obj, offset) && unsafe.getBooleanVolatile(obj, offset);
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196 }
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197
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198 @SuppressWarnings("all")
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199 public static int unsafeGetByteSnippet(Unsafe unsafe, Object obj, long offset) {
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200 return unsafe.getByte(obj, offset) + unsafe.getByteVolatile(obj, offset);
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201 }
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202
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203 @SuppressWarnings("all")
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204 public static int unsafeGetShortSnippet(Unsafe unsafe, Object obj, long offset) {
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205 return unsafe.getShort(obj, offset) + unsafe.getShortVolatile(obj, offset);
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206 }
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207
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208 @SuppressWarnings("all")
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209 public static int unsafeGetCharSnippet(Unsafe unsafe, Object obj, long offset) {
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210 return unsafe.getChar(obj, offset) + unsafe.getCharVolatile(obj, offset);
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211 }
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212
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213 @SuppressWarnings("all")
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214 public static int unsafeGetIntSnippet(Unsafe unsafe, Object obj, long offset) {
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215 return unsafe.getInt(obj, offset) + unsafe.getIntVolatile(obj, offset);
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216 }
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217
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218 @SuppressWarnings("all")
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219 public static long unsafeGetLongSnippet(Unsafe unsafe, Object obj, long offset) {
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220 return unsafe.getLong(obj, offset) + unsafe.getLongVolatile(obj, offset);
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221 }
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222
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223 @SuppressWarnings("all")
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224 public static float unsafeGetFloatSnippet(Unsafe unsafe, Object obj, long offset) {
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225 return unsafe.getFloat(obj, offset) + unsafe.getFloatVolatile(obj, offset);
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226 }
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227
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228 @SuppressWarnings("all")
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229 public static double unsafeGetDoubleSnippet(Unsafe unsafe, Object obj, long offset) {
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230 return unsafe.getDouble(obj, offset) + unsafe.getDoubleVolatile(obj, offset);
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231 }
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232
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233 @SuppressWarnings("all")
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234 public static boolean unsafeGetObjectSnippet(Unsafe unsafe, Object obj, long offset) {
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235 return unsafe.getObject(obj, offset) == unsafe.getObjectVolatile(obj, offset);
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236 }
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237
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238 @SuppressWarnings("all")
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239 public static void unsafePutBooleanSnippet(Unsafe unsafe, Object obj, long offset, boolean value) {
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240 unsafe.putBoolean(obj, offset, value);
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241 unsafe.putBooleanVolatile(obj, offset, value);
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242 }
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243
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244 @SuppressWarnings("all")
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245 public static void unsafePutByteSnippet(Unsafe unsafe, Object obj, long offset, byte value) {
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246 unsafe.putByte(obj, offset, value);
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247 unsafe.putByteVolatile(obj, offset, value);
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248 }
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249
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250 @SuppressWarnings("all")
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251 public static void unsafePutShortSnippet(Unsafe unsafe, Object obj, long offset, short value) {
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252 unsafe.putShort(obj, offset, value);
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253 unsafe.putShortVolatile(obj, offset, value);
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254 }
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255
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256 @SuppressWarnings("all")
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257 public static void unsafePutCharSnippet(Unsafe unsafe, Object obj, long offset, char value) {
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258 unsafe.putChar(obj, offset, value);
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259 unsafe.putCharVolatile(obj, offset, value);
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260 }
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261
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262 @SuppressWarnings("all")
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263 public static void unsafePutIntSnippet(Unsafe unsafe, Object obj, long offset, int value) {
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264 unsafe.putInt(obj, offset, value);
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265 unsafe.putIntVolatile(obj, offset, value);
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266 unsafe.putOrderedInt(obj, offset, value);
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267 }
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268
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269 @SuppressWarnings("all")
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270 public static void unsafePutLongSnippet(Unsafe unsafe, Object obj, long offset, long value) {
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271 unsafe.putLong(obj, offset, value);
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272 unsafe.putLongVolatile(obj, offset, value);
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273 unsafe.putOrderedLong(obj, offset, value);
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274 }
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275
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276 @SuppressWarnings("all")
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277 public static void unsafePutFloatSnippet(Unsafe unsafe, Object obj, long offset, float value) {
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278 unsafe.putFloat(obj, offset, value);
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279 unsafe.putFloatVolatile(obj, offset, value);
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280 }
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281
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282 @SuppressWarnings("all")
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283 public static void unsafePutDoubleSnippet(Unsafe unsafe, Object obj, long offset, double value) {
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284 unsafe.putDouble(obj, offset, value);
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285 unsafe.putDoubleVolatile(obj, offset, value);
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286 }
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287
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288 @SuppressWarnings("all")
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289 public static void unsafePutObjectSnippet(Unsafe unsafe, Object obj, long offset, Object value) {
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290 unsafe.putObject(obj, offset, value);
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291 unsafe.putObjectVolatile(obj, offset, value);
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292 unsafe.putOrderedObject(obj, offset, value);
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293 }
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294
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295 @SuppressWarnings("all")
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296 public static double unsafeDirectMemoryReadSnippet(Unsafe unsafe, long address) {
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297 // Unsafe.getBoolean(long) and Unsafe.getObject(long) do not exist
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298 return unsafe.getByte(address) + unsafe.getShort(address) + unsafe.getChar(address) + unsafe.getInt(address) + unsafe.getLong(address) + unsafe.getFloat(address) + unsafe.getDouble(address);
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299 }
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300
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301 @SuppressWarnings("all")
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302 public static void unsafeDirectMemoryWriteSnippet(Unsafe unsafe, long address, byte value) {
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303 // Unsafe.putBoolean(long) and Unsafe.putObject(long) do not exist
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304 unsafe.putByte(address, value);
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305 unsafe.putShort(address, value);
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306 unsafe.putChar(address, (char) value);
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307 unsafe.putInt(address, value);
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308 unsafe.putLong(address, value);
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309 unsafe.putFloat(address, value);
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310 unsafe.putDouble(address, value);
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311 }
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312
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313 @Test
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314 public void testMathIntrinsics() {
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315 assertInGraph(assertNotInGraph(test("mathAbsSnippet"), IfNode.class), MathIntrinsicNode.class); // Java
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316 test("mathSnippet");
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317 }
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318
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319 @SuppressWarnings("all")
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320 public static double mathAbsSnippet(double value) {
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321 return Math.abs(value);
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322 }
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323
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324 @SuppressWarnings("all")
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325 public static double mathSnippet(double value) {
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326 return Math.sqrt(value) + Math.log(value) + Math.log10(value) + Math.sin(value) + Math.cos(value) + Math.tan(value);
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327 // Math.exp(value) +
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328 // Math.pow(value, 13);
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329 }
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330
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331 @Test
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332 public void testIntegerIntrinsics() {
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333 assertInGraph(test("integerReverseBytesSnippet"), ReverseBytesNode.class); // Java
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334 assertInGraph(test("integerNumberOfLeadingZerosSnippet"), BitScanReverseNode.class); // Java
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335 assertInGraph(test("integerNumberOfTrailingZerosSnippet"), BitScanForwardNode.class); // Java
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336 assertInGraph(test("integerBitCountSnippet"), BitCountNode.class); // Java
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337 }
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338
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339 @SuppressWarnings("all")
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340 public static int integerReverseBytesSnippet(int value) {
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341 return Integer.reverseBytes(value);
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342 }
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343
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344 @SuppressWarnings("all")
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345 public static int integerNumberOfLeadingZerosSnippet(int value) {
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346 return Integer.numberOfLeadingZeros(value);
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347 }
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348
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349 @SuppressWarnings("all")
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350 public static int integerNumberOfTrailingZerosSnippet(int value) {
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351 return Integer.numberOfTrailingZeros(value);
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352 }
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353
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354 @SuppressWarnings("all")
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355 public static int integerBitCountSnippet(int value) {
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356 return Integer.bitCount(value);
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357 }
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358
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359 @Test
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360 public void testLongIntrinsics() {
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361 assertInGraph(test("longReverseBytesSnippet"), ReverseBytesNode.class); // Java
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362 assertInGraph(test("longNumberOfLeadingZerosSnippet"), BitScanReverseNode.class); // Java
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363 assertInGraph(test("longNumberOfTrailingZerosSnippet"), BitScanForwardNode.class); // Java
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364 assertInGraph(test("longBitCountSnippet"), BitCountNode.class); // Java
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365 }
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366
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367 @SuppressWarnings("all")
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368 public static long longReverseBytesSnippet(long value) {
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369 return Long.reverseBytes(value);
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370 }
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371
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372 @SuppressWarnings("all")
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373 public static long longNumberOfLeadingZerosSnippet(long value) {
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374 return Long.numberOfLeadingZeros(value);
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375 }
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376
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377 @SuppressWarnings("all")
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378 public static long longNumberOfTrailingZerosSnippet(long value) {
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379 return Long.numberOfTrailingZeros(value);
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380 }
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381
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382 @SuppressWarnings("all")
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383 public static int longBitCountSnippet(long value) {
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384 return Long.bitCount(value);
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385 }
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386
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387 @Test
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388 public void testFloatIntrinsics() {
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389 assertInGraph(test("floatToIntBitsSnippet"), ConvertNode.class); // Java
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390 test("intBitsToFloatSnippet");
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391 }
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392
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393 @SuppressWarnings("all")
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394 public static int floatToIntBitsSnippet(float value) {
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395 return Float.floatToIntBits(value);
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396 }
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397
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398 @SuppressWarnings("all")
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399 public static float intBitsToFloatSnippet(int value) {
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400 return Float.intBitsToFloat(value);
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401 }
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402
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403 @Test
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404 public void testDoubleIntrinsics() {
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405 assertInGraph(test("doubleToLongBitsSnippet"), ConvertNode.class); // Java
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406 test("longBitsToDoubleSnippet");
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407 }
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408
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409 @SuppressWarnings("all")
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410 public static long doubleToLongBitsSnippet(double value) {
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411 return Double.doubleToLongBits(value);
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412 }
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413
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414 @SuppressWarnings("all")
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415 public static double longBitsToDoubleSnippet(long value) {
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416 return Double.longBitsToDouble(value);
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417 }
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418
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419 private StructuredGraph test(final String snippet) {
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420 return Debug.scope("IntrinsificationTest", runtime.lookupJavaMethod(getMethod(snippet)), new Callable<StructuredGraph>() {
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421
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422 @Override
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423 public StructuredGraph call() {
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424 StructuredGraph graph = parse(snippet);
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425 PhasePlan phasePlan = getDefaultPhasePlan();
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426 Assumptions assumptions = new Assumptions(true);
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427 new ComputeProbabilityPhase().apply(graph);
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428 Debug.dump(graph, "Graph");
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429 new InliningPhase(null, runtime(), null, assumptions, null, phasePlan, OptimisticOptimizations.ALL).apply(graph);
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430 Debug.dump(graph, "Graph");
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431 new CanonicalizerPhase(null, runtime(), assumptions).apply(graph);
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432 new DeadCodeEliminationPhase().apply(graph);
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433
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434 assertNotInGraph(graph, Invoke.class);
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435 return graph;
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436 }
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437 });
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438 }
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439
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440 private static StructuredGraph assertNotInGraph(StructuredGraph graph, Class<?> clazz) {
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441 for (Node node : graph.getNodes()) {
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442 if (clazz.isInstance(node)) {
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443 fail(node.toString());
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444 }
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445 }
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446 return graph;
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447 }
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448
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449 private static StructuredGraph assertInGraph(StructuredGraph graph, Class<?> clazz) {
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450 for (Node node : graph.getNodes()) {
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451 if (clazz.isInstance(node)) {
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452 return graph;
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453 }
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454 }
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455 fail("Graph does not contain a node of class " + clazz.getName());
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456 return graph;
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457 }
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458
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459 private static class TestClassA {
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460 }
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461 }