Mercurial > hg > truffle
annotate test/compiler/whitebox/CompilerWhiteBoxTest.java @ 14323:d2954f85a366
Merge
author | amurillo |
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date | Fri, 07 Feb 2014 09:41:36 -0800 |
parents | f9a4b59ae350 |
children | bbfe3ac1471d 4ca6dc0799b6 d559dbbded7a |
rev | line source |
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8051 | 1 /* |
2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. | |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
20 * or visit www.oracle.com if you need additional information or have any | |
21 * questions. | |
22 */ | |
23 | |
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24 import com.sun.management.HotSpotDiagnosticMXBean; |
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25 import com.sun.management.VMOption; |
8051 | 26 import sun.hotspot.WhiteBox; |
27 import sun.management.ManagementFactoryHelper; | |
28 | |
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29 import java.lang.reflect.Constructor; |
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30 import java.lang.reflect.Executable; |
8051 | 31 import java.lang.reflect.Method; |
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32 import java.util.Objects; |
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33 import java.util.concurrent.Callable; |
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34 import java.util.function.Function; |
8051 | 35 |
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36 /** |
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37 * Abstract class for WhiteBox testing of JIT. |
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38 * |
8051 | 39 * @author igor.ignatyev@oracle.com |
40 */ | |
41 public abstract class CompilerWhiteBoxTest { | |
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42 /** {@code CompLevel::CompLevel_none} -- Interpreter */ |
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43 protected static int COMP_LEVEL_NONE = 0; |
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44 /** {@code CompLevel::CompLevel_any}, {@code CompLevel::CompLevel_all} */ |
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45 protected static int COMP_LEVEL_ANY = -1; |
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46 /** {@code CompLevel::CompLevel_simple} -- C1 */ |
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47 protected static int COMP_LEVEL_SIMPLE = 1; |
12073 | 48 /** {@code CompLevel::CompLevel_limited_profile} -- C1, invocation & backedge counters */ |
49 protected static int COMP_LEVEL_LIMITED_PROFILE = 2; | |
50 /** {@code CompLevel::CompLevel_full_profile} -- C1, invocation & backedge counters + mdo */ | |
51 protected static int COMP_LEVEL_FULL_PROFILE = 3; | |
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52 /** {@code CompLevel::CompLevel_full_optimization} -- C2 or Shark */ |
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53 protected static int COMP_LEVEL_FULL_OPTIMIZATION = 4; |
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54 /** Maximal value for CompLevel */ |
12073 | 55 protected static int COMP_LEVEL_MAX = COMP_LEVEL_FULL_OPTIMIZATION; |
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56 |
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57 /** Instance of WhiteBox */ |
8051 | 58 protected static final WhiteBox WHITE_BOX = WhiteBox.getWhiteBox(); |
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59 /** Value of {@code -XX:CompileThreshold} */ |
8051 | 60 protected static final int COMPILE_THRESHOLD |
61 = Integer.parseInt(getVMOption("CompileThreshold", "10000")); | |
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62 /** Value of {@code -XX:BackgroundCompilation} */ |
8766 | 63 protected static final boolean BACKGROUND_COMPILATION |
64 = Boolean.valueOf(getVMOption("BackgroundCompilation", "true")); | |
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65 /** Value of {@code -XX:TieredCompilation} */ |
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66 protected static final boolean TIERED_COMPILATION |
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67 = Boolean.valueOf(getVMOption("TieredCompilation", "false")); |
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68 /** Value of {@code -XX:TieredStopAtLevel} */ |
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69 protected static final int TIERED_STOP_AT_LEVEL |
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70 = Integer.parseInt(getVMOption("TieredStopAtLevel", "0")); |
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71 /** Flag for verbose output, true if {@code -Dverbose} specified */ |
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72 protected static final boolean IS_VERBOSE |
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73 = System.getProperty("verbose") != null; |
12073 | 74 /** count of invocation to triger compilation */ |
75 protected static final int THRESHOLD; | |
76 /** count of invocation to triger OSR compilation */ | |
77 protected static final long BACKEDGE_THRESHOLD; | |
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78 /** Value of {@code java.vm.info} (interpreted|mixed|comp mode) */ |
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79 protected static final String MODE = System.getProperty("java.vm.info"); |
12073 | 80 |
81 static { | |
82 if (TIERED_COMPILATION) { | |
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83 BACKEDGE_THRESHOLD = THRESHOLD = 150000; |
12073 | 84 } else { |
85 THRESHOLD = COMPILE_THRESHOLD; | |
86 BACKEDGE_THRESHOLD = COMPILE_THRESHOLD * Long.parseLong(getVMOption( | |
87 "OnStackReplacePercentage")); | |
88 } | |
89 } | |
8051 | 90 |
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91 /** |
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92 * Returns value of VM option. |
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93 * |
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94 * @param name option's name |
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95 * @return value of option or {@code null}, if option doesn't exist |
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96 * @throws NullPointerException if name is null |
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97 */ |
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98 protected static String getVMOption(String name) { |
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99 Objects.requireNonNull(name); |
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100 HotSpotDiagnosticMXBean diagnostic |
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101 = ManagementFactoryHelper.getDiagnosticMXBean(); |
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102 VMOption tmp; |
8051 | 103 try { |
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104 tmp = diagnostic.getVMOption(name); |
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105 } catch (IllegalArgumentException e) { |
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106 tmp = null; |
8051 | 107 } |
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108 return (tmp == null ? null : tmp.getValue()); |
8051 | 109 } |
110 | |
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111 /** |
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112 * Returns value of VM option or default value. |
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113 * |
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114 * @param name option's name |
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115 * @param defaultValue default value |
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116 * @return value of option or {@code defaultValue}, if option doesn't exist |
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117 * @throws NullPointerException if name is null |
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118 * @see #getVMOption(String) |
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119 */ |
8766 | 120 protected static String getVMOption(String name, String defaultValue) { |
121 String result = getVMOption(name); | |
8051 | 122 return result == null ? defaultValue : result; |
123 } | |
124 | |
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125 /** copy of is_c1_compile(int) from utilities/globalDefinitions.hpp */ |
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126 protected static boolean isC1Compile(int compLevel) { |
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127 return (compLevel > COMP_LEVEL_NONE) |
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128 && (compLevel < COMP_LEVEL_FULL_OPTIMIZATION); |
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129 } |
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130 |
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131 /** copy of is_c2_compile(int) from utilities/globalDefinitions.hpp */ |
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132 protected static boolean isC2Compile(int compLevel) { |
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133 return compLevel == COMP_LEVEL_FULL_OPTIMIZATION; |
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134 } |
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135 |
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136 protected static void main( |
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137 Function<TestCase, CompilerWhiteBoxTest> constructor, |
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138 String[] args) { |
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139 if (args.length == 0) { |
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140 for (TestCase test : SimpleTestCase.values()) { |
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141 constructor.apply(test).runTest(); |
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142 } |
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143 } else { |
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144 for (String name : args) { |
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145 constructor.apply(SimpleTestCase.valueOf(name)).runTest(); |
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146 } |
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147 } |
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148 } |
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149 |
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150 /** tested method */ |
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151 protected final Executable method; |
12073 | 152 protected final TestCase testCase; |
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153 |
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154 /** |
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155 * Constructor. |
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156 * |
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157 * @param testCase object, that contains tested method and way to invoke it. |
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158 */ |
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159 protected CompilerWhiteBoxTest(TestCase testCase) { |
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160 Objects.requireNonNull(testCase); |
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161 System.out.println("TEST CASE:" + testCase.name()); |
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162 method = testCase.getExecutable(); |
12073 | 163 this.testCase = testCase; |
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164 } |
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165 |
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166 /** |
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167 * Template method for testing. Prints tested method's info before |
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168 * {@linkplain #test()} and after {@linkplain #test()} or on thrown |
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169 * exception. |
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170 * |
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171 * @throws RuntimeException if method {@linkplain #test()} throws any |
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172 * exception |
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173 * @see #test() |
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174 */ |
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175 protected final void runTest() { |
8051 | 176 if (ManagementFactoryHelper.getCompilationMXBean() == null) { |
177 System.err.println( | |
178 "Warning: test is not applicable in interpreted mode"); | |
179 return; | |
180 } | |
181 System.out.println("at test's start:"); | |
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182 printInfo(); |
8051 | 183 try { |
184 test(); | |
185 } catch (Exception e) { | |
186 System.out.printf("on exception '%s':", e.getMessage()); | |
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187 printInfo(); |
8766 | 188 e.printStackTrace(); |
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189 if (e instanceof RuntimeException) { |
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190 throw (RuntimeException) e; |
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191 } |
8051 | 192 throw new RuntimeException(e); |
193 } | |
194 System.out.println("at test's end:"); | |
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195 printInfo(); |
8051 | 196 } |
197 | |
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198 /** |
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199 * Checks, that {@linkplain #method} is not compiled. |
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200 * |
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201 * @throws RuntimeException if {@linkplain #method} is in compiler queue or |
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202 * is compiled, or if {@linkplain #method} has zero |
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203 * compilation level. |
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204 */ |
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205 protected final void checkNotCompiled() { |
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206 if (WHITE_BOX.isMethodQueuedForCompilation(method)) { |
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207 throw new RuntimeException(method + " must not be in queue"); |
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208 } |
12073 | 209 if (WHITE_BOX.isMethodCompiled(method, false)) { |
8051 | 210 throw new RuntimeException(method + " must be not compiled"); |
211 } | |
12073 | 212 if (WHITE_BOX.getMethodCompilationLevel(method, false) != 0) { |
8051 | 213 throw new RuntimeException(method + " comp_level must be == 0"); |
214 } | |
12073 | 215 if (WHITE_BOX.isMethodCompiled(method, true)) { |
216 throw new RuntimeException(method + " must be not osr_compiled"); | |
217 } | |
218 if (WHITE_BOX.getMethodCompilationLevel(method, true) != 0) { | |
219 throw new RuntimeException(method + " osr_comp_level must be == 0"); | |
220 } | |
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221 } |
8051 | 222 |
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223 /** |
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224 * Checks, that {@linkplain #method} is compiled. |
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225 * |
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226 * @throws RuntimeException if {@linkplain #method} isn't in compiler queue |
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227 * and isn't compiled, or if {@linkplain #method} |
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228 * has nonzero compilation level |
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229 */ |
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230 protected final void checkCompiled() { |
8051 | 231 final long start = System.currentTimeMillis(); |
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232 waitBackgroundCompilation(); |
8051 | 233 if (WHITE_BOX.isMethodQueuedForCompilation(method)) { |
234 System.err.printf("Warning: %s is still in queue after %dms%n", | |
235 method, System.currentTimeMillis() - start); | |
236 return; | |
237 } | |
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238 if (!WHITE_BOX.isMethodCompiled(method, testCase.isOsr())) { |
12073 | 239 throw new RuntimeException(method + " must be " |
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240 + (testCase.isOsr() ? "osr_" : "") + "compiled"); |
12073 | 241 } |
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242 if (WHITE_BOX.getMethodCompilationLevel(method, testCase.isOsr()) |
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243 == 0) { |
12073 | 244 throw new RuntimeException(method |
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245 + (testCase.isOsr() ? " osr_" : " ") |
12073 | 246 + "comp_level must be != 0"); |
247 } | |
248 } | |
249 | |
250 protected final void deoptimize() { | |
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251 WHITE_BOX.deoptimizeMethod(method, testCase.isOsr()); |
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252 if (testCase.isOsr()) { |
12073 | 253 WHITE_BOX.deoptimizeMethod(method, false); |
8051 | 254 } |
12073 | 255 } |
256 | |
257 protected final int getCompLevel() { | |
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258 return WHITE_BOX.getMethodCompilationLevel(method, testCase.isOsr()); |
12073 | 259 } |
260 | |
261 protected final boolean isCompilable() { | |
262 return WHITE_BOX.isMethodCompilable(method, COMP_LEVEL_ANY, | |
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263 testCase.isOsr()); |
12073 | 264 } |
265 | |
266 protected final boolean isCompilable(int compLevel) { | |
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267 return WHITE_BOX |
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268 .isMethodCompilable(method, compLevel, testCase.isOsr()); |
12073 | 269 } |
270 | |
271 protected final void makeNotCompilable() { | |
272 WHITE_BOX.makeMethodNotCompilable(method, COMP_LEVEL_ANY, | |
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273 testCase.isOsr()); |
12073 | 274 } |
275 | |
276 protected final void makeNotCompilable(int compLevel) { | |
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277 WHITE_BOX.makeMethodNotCompilable(method, compLevel, testCase.isOsr()); |
8051 | 278 } |
279 | |
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280 /** |
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281 * Waits for completion of background compilation of {@linkplain #method}. |
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282 */ |
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283 protected final void waitBackgroundCompilation() { |
8766 | 284 if (!BACKGROUND_COMPILATION) { |
285 return; | |
286 } | |
8051 | 287 final Object obj = new Object(); |
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288 for (int i = 0; i < 10 |
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289 && WHITE_BOX.isMethodQueuedForCompilation(method); ++i) { |
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290 synchronized (obj) { |
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291 try { |
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292 obj.wait(1000); |
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293 } catch (InterruptedException e) { |
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294 Thread.currentThread().interrupt(); |
8051 | 295 } |
296 } | |
297 } | |
298 } | |
299 | |
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300 /** |
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301 * Prints information about {@linkplain #method}. |
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302 */ |
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303 protected final void printInfo() { |
8051 | 304 System.out.printf("%n%s:%n", method); |
305 System.out.printf("\tcompilable:\t%b%n", | |
12073 | 306 WHITE_BOX.isMethodCompilable(method, COMP_LEVEL_ANY, false)); |
8051 | 307 System.out.printf("\tcompiled:\t%b%n", |
12073 | 308 WHITE_BOX.isMethodCompiled(method, false)); |
8051 | 309 System.out.printf("\tcomp_level:\t%d%n", |
12073 | 310 WHITE_BOX.getMethodCompilationLevel(method, false)); |
311 System.out.printf("\tosr_compilable:\t%b%n", | |
312 WHITE_BOX.isMethodCompilable(method, COMP_LEVEL_ANY, true)); | |
313 System.out.printf("\tosr_compiled:\t%b%n", | |
314 WHITE_BOX.isMethodCompiled(method, true)); | |
315 System.out.printf("\tosr_comp_level:\t%d%n", | |
316 WHITE_BOX.getMethodCompilationLevel(method, true)); | |
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317 System.out.printf("\tin_queue:\t%b%n", |
8051 | 318 WHITE_BOX.isMethodQueuedForCompilation(method)); |
319 System.out.printf("compile_queues_size:\t%d%n%n", | |
320 WHITE_BOX.getCompileQueuesSize()); | |
321 } | |
322 | |
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323 /** |
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324 * Executes testing. |
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325 */ |
8051 | 326 protected abstract void test() throws Exception; |
327 | |
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328 /** |
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329 * Tries to trigger compilation of {@linkplain #method} by call |
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330 * {@linkplain TestCase#getCallable()} enough times. |
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331 * |
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332 * @return accumulated result |
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333 * @see #compile(int) |
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334 */ |
8051 | 335 protected final int compile() { |
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336 if (testCase.isOsr()) { |
12073 | 337 return compile(1); |
338 } else { | |
339 return compile(THRESHOLD); | |
340 } | |
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341 } |
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342 |
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343 /** |
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344 * Tries to trigger compilation of {@linkplain #method} by call |
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345 * {@linkplain TestCase#getCallable()} specified times. |
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346 * |
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347 * @param count invocation count |
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348 * @return accumulated result |
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349 */ |
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350 protected final int compile(int count) { |
8051 | 351 int result = 0; |
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352 Integer tmp; |
8766 | 353 for (int i = 0; i < count; ++i) { |
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354 try { |
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355 tmp = testCase.getCallable().call(); |
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356 } catch (Exception e) { |
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357 tmp = null; |
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358 } |
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359 result += tmp == null ? 0 : tmp; |
8051 | 360 } |
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361 if (IS_VERBOSE) { |
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362 System.out.println("method was invoked " + count + " times"); |
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363 } |
8051 | 364 return result; |
365 } | |
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366 |
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367 /** |
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368 * Utility interface provides tested method and object to invoke it. |
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369 */ |
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370 public interface TestCase { |
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371 /** the name of test case */ |
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372 String name(); |
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373 |
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374 /** tested method */ |
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375 Executable getExecutable(); |
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376 |
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377 /** object to invoke {@linkplain #getExecutable()} */ |
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378 Callable<Integer> getCallable(); |
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379 |
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380 /** flag for OSR test case */ |
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381 boolean isOsr(); |
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382 } |
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383 } |
8051 | 384 |
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385 enum SimpleTestCase implements CompilerWhiteBoxTest.TestCase { |
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386 /** constructor test case */ |
12073 | 387 CONSTRUCTOR_TEST(Helper.CONSTRUCTOR, Helper.CONSTRUCTOR_CALLABLE, false), |
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388 /** method test case */ |
12073 | 389 METOD_TEST(Helper.METHOD, Helper.METHOD_CALLABLE, false), |
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390 /** static method test case */ |
12073 | 391 STATIC_TEST(Helper.STATIC, Helper.STATIC_CALLABLE, false), |
392 /** OSR constructor test case */ | |
393 OSR_CONSTRUCTOR_TEST(Helper.OSR_CONSTRUCTOR, | |
394 Helper.OSR_CONSTRUCTOR_CALLABLE, true), | |
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395 /** OSR method test case */ |
12073 | 396 OSR_METOD_TEST(Helper.OSR_METHOD, Helper.OSR_METHOD_CALLABLE, true), |
397 /** OSR static method test case */ | |
398 OSR_STATIC_TEST(Helper.OSR_STATIC, Helper.OSR_STATIC_CALLABLE, true); | |
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399 |
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400 private final Executable executable; |
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401 private final Callable<Integer> callable; |
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402 private final boolean isOsr; |
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403 |
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404 private SimpleTestCase(Executable executable, Callable<Integer> callable, |
12073 | 405 boolean isOsr) { |
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406 this.executable = executable; |
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407 this.callable = callable; |
12073 | 408 this.isOsr = isOsr; |
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409 } |
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410 |
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411 @Override |
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412 public Executable getExecutable() { |
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413 return executable; |
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414 } |
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415 |
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416 @Override |
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417 public Callable<Integer> getCallable() { |
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418 return callable; |
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419 } |
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420 |
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421 @Override |
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422 public boolean isOsr() { |
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423 return isOsr; |
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424 } |
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425 |
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426 private static class Helper { |
12073 | 427 |
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428 private static final Callable<Integer> CONSTRUCTOR_CALLABLE |
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429 = new Callable<Integer>() { |
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430 @Override |
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431 public Integer call() throws Exception { |
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432 return new Helper(1337).hashCode(); |
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433 } |
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434 }; |
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435 |
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436 private static final Callable<Integer> METHOD_CALLABLE |
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437 = new Callable<Integer>() { |
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438 private final Helper helper = new Helper(); |
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439 |
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440 @Override |
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441 public Integer call() throws Exception { |
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442 return helper.method(); |
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443 } |
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444 }; |
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445 |
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446 private static final Callable<Integer> STATIC_CALLABLE |
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447 = new Callable<Integer>() { |
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448 @Override |
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449 public Integer call() throws Exception { |
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450 return staticMethod(); |
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451 } |
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452 }; |
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453 |
12073 | 454 private static final Callable<Integer> OSR_CONSTRUCTOR_CALLABLE |
455 = new Callable<Integer>() { | |
456 @Override | |
457 public Integer call() throws Exception { | |
458 return new Helper(null).hashCode(); | |
459 } | |
460 }; | |
461 | |
462 private static final Callable<Integer> OSR_METHOD_CALLABLE | |
463 = new Callable<Integer>() { | |
464 private final Helper helper = new Helper(); | |
465 | |
466 @Override | |
467 public Integer call() throws Exception { | |
468 return helper.osrMethod(); | |
469 } | |
470 }; | |
471 | |
472 private static final Callable<Integer> OSR_STATIC_CALLABLE | |
473 = new Callable<Integer>() { | |
474 @Override | |
475 public Integer call() throws Exception { | |
476 return osrStaticMethod(); | |
477 } | |
478 }; | |
479 | |
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480 private static final Constructor CONSTRUCTOR; |
12073 | 481 private static final Constructor OSR_CONSTRUCTOR; |
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482 private static final Method METHOD; |
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483 private static final Method STATIC; |
12073 | 484 private static final Method OSR_METHOD; |
485 private static final Method OSR_STATIC; | |
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486 |
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487 static { |
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488 try { |
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489 CONSTRUCTOR = Helper.class.getDeclaredConstructor(int.class); |
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490 } catch (NoSuchMethodException | SecurityException e) { |
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491 throw new RuntimeException( |
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492 "exception on getting method Helper.<init>(int)", e); |
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493 } |
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494 try { |
12073 | 495 OSR_CONSTRUCTOR = Helper.class.getDeclaredConstructor( |
496 Object.class); | |
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497 } catch (NoSuchMethodException | SecurityException e) { |
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498 throw new RuntimeException( |
12073 | 499 "exception on getting method Helper.<init>(Object)", e); |
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500 } |
12073 | 501 METHOD = getMethod("method"); |
502 STATIC = getMethod("staticMethod"); | |
503 OSR_METHOD = getMethod("osrMethod"); | |
504 OSR_STATIC = getMethod("osrStaticMethod"); | |
505 } | |
506 | |
507 private static Method getMethod(String name) { | |
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508 try { |
12073 | 509 return Helper.class.getDeclaredMethod(name); |
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510 } catch (NoSuchMethodException | SecurityException e) { |
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511 throw new RuntimeException( |
12073 | 512 "exception on getting method Helper." + name, e); |
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513 } |
12073 | 514 |
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515 } |
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516 |
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517 private static int staticMethod() { |
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518 return 1138; |
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519 } |
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520 |
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521 private int method() { |
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522 return 42; |
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523 } |
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524 |
12073 | 525 private static int osrStaticMethod() { |
526 int result = 0; | |
527 for (long i = 0; i < CompilerWhiteBoxTest.BACKEDGE_THRESHOLD; ++i) { | |
528 result += staticMethod(); | |
529 } | |
530 return result; | |
531 } | |
532 | |
533 private int osrMethod() { | |
534 int result = 0; | |
535 for (long i = 0; i < CompilerWhiteBoxTest.BACKEDGE_THRESHOLD; ++i) { | |
536 result += method(); | |
537 } | |
538 return result; | |
539 } | |
540 | |
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541 private final int x; |
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542 |
12073 | 543 // for method and OSR method test case |
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544 public Helper() { |
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545 x = 0; |
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546 } |
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547 |
12073 | 548 // for OSR constructor test case |
549 private Helper(Object o) { | |
550 int result = 0; | |
551 for (long i = 0; i < CompilerWhiteBoxTest.BACKEDGE_THRESHOLD; ++i) { | |
552 result += method(); | |
553 } | |
554 x = result; | |
555 } | |
556 | |
557 // for constructor test case | |
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558 private Helper(int x) { |
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559 this.x = x; |
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560 } |
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561 |
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562 @Override |
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563 public int hashCode() { |
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564 return x; |
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565 } |
8051 | 566 } |
567 } |