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annotate test/compiler/whitebox/CompilerWhiteBoxTest.java @ 12073:f99558245e5c

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8022832: Add WB APIs for OSR compilation Reviewed-by: kvn
author iignatyev
date Wed, 14 Aug 2013 23:50:23 +0400
parents 11237ee74aae
children 303826f477c6
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1 /*
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2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23
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24 import com.sun.management.HotSpotDiagnosticMXBean;
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25 import com.sun.management.VMOption;
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26 import sun.hotspot.WhiteBox;
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27 import sun.management.ManagementFactoryHelper;
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28
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29 import java.lang.reflect.Constructor;
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30 import java.lang.reflect.Executable;
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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
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35 /**
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36 * Abstract class for WhiteBox testing of JIT.
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37 *
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38 * @author igor.ignatyev@oracle.com
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39 */
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40 public abstract class CompilerWhiteBoxTest {
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41 /** {@code CompLevel::CompLevel_none} -- Interpreter */
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42 protected static int COMP_LEVEL_NONE = 0;
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43 /** {@code CompLevel::CompLevel_any}, {@code CompLevel::CompLevel_all} */
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44 protected static int COMP_LEVEL_ANY = -1;
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45 /** {@code CompLevel::CompLevel_simple} -- C1 */
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46 protected static int COMP_LEVEL_SIMPLE = 1;
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47 /** {@code CompLevel::CompLevel_limited_profile} -- C1, invocation & backedge counters */
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48 protected static int COMP_LEVEL_LIMITED_PROFILE = 2;
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49 /** {@code CompLevel::CompLevel_full_profile} -- C1, invocation & backedge counters + mdo */
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50 protected static int COMP_LEVEL_FULL_PROFILE = 3;
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51 /** {@code CompLevel::CompLevel_full_optimization} -- C2 or Shark */
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52 protected static int COMP_LEVEL_FULL_OPTIMIZATION = 4;
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53 /** Maximal value for CompLeveL */
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54 protected static int COMP_LEVEL_MAX = COMP_LEVEL_FULL_OPTIMIZATION;
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55
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56 /** Instance of WhiteBox */
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57 protected static final WhiteBox WHITE_BOX = WhiteBox.getWhiteBox();
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58 /** Value of {@code -XX:CompileThreshold} */
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59 protected static final int COMPILE_THRESHOLD
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60 = Integer.parseInt(getVMOption("CompileThreshold", "10000"));
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61 /** Value of {@code -XX:BackgroundCompilation} */
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62 protected static final boolean BACKGROUND_COMPILATION
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63 = Boolean.valueOf(getVMOption("BackgroundCompilation", "true"));
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64 /** Value of {@code -XX:TieredCompilation} */
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65 protected static final boolean TIERED_COMPILATION
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66 = Boolean.valueOf(getVMOption("TieredCompilation", "false"));
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67 /** Value of {@code -XX:TieredStopAtLevel} */
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68 protected static final int TIERED_STOP_AT_LEVEL
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69 = Integer.parseInt(getVMOption("TieredStopAtLevel", "0"));
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70 /** Flag for verbose output, true if {@code -Dverbose} specified */
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71 protected static final boolean IS_VERBOSE
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72 = System.getProperty("verbose") != null;
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73 /** count of invocation to triger compilation */
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74 protected static final int THRESHOLD;
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75 /** count of invocation to triger OSR compilation */
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76 protected static final long BACKEDGE_THRESHOLD;
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77
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78 static {
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79 if (TIERED_COMPILATION) {
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80 THRESHOLD = 150000;
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81 BACKEDGE_THRESHOLD = 0xFFFFFFFFL;
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82 } else {
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83 THRESHOLD = COMPILE_THRESHOLD;
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84 BACKEDGE_THRESHOLD = COMPILE_THRESHOLD * Long.parseLong(getVMOption(
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85 "OnStackReplacePercentage"));
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86 }
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87 }
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88
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89 /**
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90 * Returns value of VM option.
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91 *
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92 * @param name option's name
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93 * @return value of option or {@code null}, if option doesn't exist
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94 * @throws NullPointerException if name is null
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95 */
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96 protected static String getVMOption(String name) {
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97 Objects.requireNonNull(name);
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98 HotSpotDiagnosticMXBean diagnostic
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99 = ManagementFactoryHelper.getDiagnosticMXBean();
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100 VMOption tmp;
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101 try {
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102 tmp = diagnostic.getVMOption(name);
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103 } catch (IllegalArgumentException e) {
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104 tmp = null;
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105 }
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106 return (tmp == null ? null : tmp.getValue());
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107 }
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108
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109 /**
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110 * Returns value of VM option or default value.
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111 *
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112 * @param name option's name
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113 * @param defaultValue default value
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114 * @return value of option or {@code defaultValue}, if option doesn't exist
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115 * @throws NullPointerException if name is null
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116 * @see #getVMOption(String)
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117 */
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118 protected static String getVMOption(String name, String defaultValue) {
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119 String result = getVMOption(name);
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120 return result == null ? defaultValue : result;
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121 }
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122
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123 /** copy of is_c1_compile(int) from utilities/globalDefinitions.hpp */
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124 protected static boolean isC1Compile(int compLevel) {
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125 return (compLevel > COMP_LEVEL_NONE)
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126 && (compLevel < COMP_LEVEL_FULL_OPTIMIZATION);
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127 }
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128
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129 /** copy of is_c2_compile(int) from utilities/globalDefinitions.hpp */
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130 protected static boolean isC2Compile(int compLevel) {
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131 return compLevel == COMP_LEVEL_FULL_OPTIMIZATION;
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132 }
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133
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134 /** tested method */
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135 protected final Executable method;
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136 protected final TestCase testCase;
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137
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138 /**
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139 * Constructor.
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140 *
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141 * @param testCase object, that contains tested method and way to invoke it.
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142 */
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143 protected CompilerWhiteBoxTest(TestCase testCase) {
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144 Objects.requireNonNull(testCase);
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145 System.out.println("TEST CASE:" + testCase.name());
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146 method = testCase.executable;
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147 this.testCase = testCase;
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148 }
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149
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150 /**
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151 * Template method for testing. Prints tested method's info before
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152 * {@linkplain #test()} and after {@linkplain #test()} or on thrown
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153 * exception.
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154 *
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155 * @throws RuntimeException if method {@linkplain #test()} throws any
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156 * exception
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157 * @see #test()
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158 */
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159 protected final void runTest() {
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160 if (ManagementFactoryHelper.getCompilationMXBean() == null) {
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161 System.err.println(
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162 "Warning: test is not applicable in interpreted mode");
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163 return;
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164 }
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165 System.out.println("at test's start:");
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166 printInfo();
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167 try {
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168 test();
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169 } catch (Exception e) {
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170 System.out.printf("on exception '%s':", e.getMessage());
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171 printInfo();
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172 e.printStackTrace();
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173 if (e instanceof RuntimeException) {
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174 throw (RuntimeException) e;
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175 }
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176 throw new RuntimeException(e);
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177 }
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178 System.out.println("at test's end:");
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179 printInfo();
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180 }
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181
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182 /**
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183 * Checks, that {@linkplain #method} is not compiled.
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184 *
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185 * @throws RuntimeException if {@linkplain #method} is in compiler queue or
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186 * is compiled, or if {@linkplain #method} has zero
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187 * compilation level.
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188 */
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189 protected final void checkNotCompiled() {
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190 if (WHITE_BOX.isMethodQueuedForCompilation(method)) {
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191 throw new RuntimeException(method + " must not be in queue");
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192 }
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193 if (WHITE_BOX.isMethodCompiled(method, false)) {
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194 throw new RuntimeException(method + " must be not compiled");
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195 }
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196 if (WHITE_BOX.getMethodCompilationLevel(method, false) != 0) {
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197 throw new RuntimeException(method + " comp_level must be == 0");
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198 }
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199 if (WHITE_BOX.isMethodCompiled(method, true)) {
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200 throw new RuntimeException(method + " must be not osr_compiled");
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201 }
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202 if (WHITE_BOX.getMethodCompilationLevel(method, true) != 0) {
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203 throw new RuntimeException(method + " osr_comp_level must be == 0");
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204 }
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205 }
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206
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207 /**
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208 * Checks, that {@linkplain #method} is compiled.
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209 *
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210 * @throws RuntimeException if {@linkplain #method} isn't in compiler queue
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211 * and isn't compiled, or if {@linkplain #method}
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212 * has nonzero compilation level
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213 */
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214 protected final void checkCompiled() {
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215 final long start = System.currentTimeMillis();
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216 waitBackgroundCompilation();
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217 if (WHITE_BOX.isMethodQueuedForCompilation(method)) {
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218 System.err.printf("Warning: %s is still in queue after %dms%n",
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219 method, System.currentTimeMillis() - start);
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220 return;
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221 }
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222 if (!WHITE_BOX.isMethodCompiled(method, testCase.isOsr)) {
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223 throw new RuntimeException(method + " must be "
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224 + (testCase.isOsr ? "osr_" : "") + "compiled");
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225 }
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226 if (WHITE_BOX.getMethodCompilationLevel(method, testCase.isOsr) == 0) {
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227 throw new RuntimeException(method
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228 + (testCase.isOsr ? " osr_" : " ")
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229 + "comp_level must be != 0");
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230 }
f99558245e5c 8022832: Add WB APIs for OSR compilation
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231 }
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232
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233 protected final void deoptimize() {
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234 WHITE_BOX.deoptimizeMethod(method, testCase.isOsr);
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diff changeset
235 if (testCase.isOsr) {
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236 WHITE_BOX.deoptimizeMethod(method, false);
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237 }
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238 }
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239
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240 protected final int getCompLevel() {
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241 return WHITE_BOX.getMethodCompilationLevel(method, testCase.isOsr);
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242 }
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243
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244 protected final boolean isCompilable() {
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245 return WHITE_BOX.isMethodCompilable(method, COMP_LEVEL_ANY,
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246 testCase.isOsr);
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247 }
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248
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249 protected final boolean isCompilable(int compLevel) {
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250 return WHITE_BOX.isMethodCompilable(method, compLevel, testCase.isOsr);
f99558245e5c 8022832: Add WB APIs for OSR compilation
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251 }
f99558245e5c 8022832: Add WB APIs for OSR compilation
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252
f99558245e5c 8022832: Add WB APIs for OSR compilation
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253 protected final void makeNotCompilable() {
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diff changeset
254 WHITE_BOX.makeMethodNotCompilable(method, COMP_LEVEL_ANY,
f99558245e5c 8022832: Add WB APIs for OSR compilation
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diff changeset
255 testCase.isOsr);
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diff changeset
256 }
f99558245e5c 8022832: Add WB APIs for OSR compilation
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diff changeset
257
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diff changeset
258 protected final void makeNotCompilable(int compLevel) {
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259 WHITE_BOX.makeMethodNotCompilable(method, compLevel, testCase.isOsr);
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260 }
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261
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262 /**
4b2eebe03f93 8011971: WB API doesn't accept j.l.reflect.Constructor
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263 * Waits for completion of background compilation of {@linkplain #method}.
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264 */
4b2eebe03f93 8011971: WB API doesn't accept j.l.reflect.Constructor
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265 protected final void waitBackgroundCompilation() {
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diff changeset
266 if (!BACKGROUND_COMPILATION) {
4efac99a998b 8008211: Some of WB tests on compiler fail
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267 return;
4efac99a998b 8008211: Some of WB tests on compiler fail
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268 }
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269 final Object obj = new Object();
10113
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diff changeset
270 for (int i = 0; i < 10
4b2eebe03f93 8011971: WB API doesn't accept j.l.reflect.Constructor
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271 && WHITE_BOX.isMethodQueuedForCompilation(method); ++i) {
4b2eebe03f93 8011971: WB API doesn't accept j.l.reflect.Constructor
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diff changeset
272 synchronized (obj) {
4b2eebe03f93 8011971: WB API doesn't accept j.l.reflect.Constructor
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diff changeset
273 try {
4b2eebe03f93 8011971: WB API doesn't accept j.l.reflect.Constructor
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diff changeset
274 obj.wait(1000);
4b2eebe03f93 8011971: WB API doesn't accept j.l.reflect.Constructor
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diff changeset
275 } catch (InterruptedException e) {
4b2eebe03f93 8011971: WB API doesn't accept j.l.reflect.Constructor
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diff changeset
276 Thread.currentThread().interrupt();
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diff changeset
277 }
12e01444ca2d 8006683: Add WhiteBox API to testing of compiler
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diff changeset
278 }
12e01444ca2d 8006683: Add WhiteBox API to testing of compiler
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parents:
diff changeset
279 }
12e01444ca2d 8006683: Add WhiteBox API to testing of compiler
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diff changeset
280 }
12e01444ca2d 8006683: Add WhiteBox API to testing of compiler
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diff changeset
281
10113
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282 /**
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283 * Prints information about {@linkplain #method}.
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284 */
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285 protected final void printInfo() {
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diff changeset
286 System.out.printf("%n%s:%n", method);
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diff changeset
287 System.out.printf("\tcompilable:\t%b%n",
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288 WHITE_BOX.isMethodCompilable(method, COMP_LEVEL_ANY, false));
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289 System.out.printf("\tcompiled:\t%b%n",
12073
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diff changeset
290 WHITE_BOX.isMethodCompiled(method, false));
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291 System.out.printf("\tcomp_level:\t%d%n",
12073
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diff changeset
292 WHITE_BOX.getMethodCompilationLevel(method, false));
f99558245e5c 8022832: Add WB APIs for OSR compilation
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diff changeset
293 System.out.printf("\tosr_compilable:\t%b%n",
f99558245e5c 8022832: Add WB APIs for OSR compilation
iignatyev
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diff changeset
294 WHITE_BOX.isMethodCompilable(method, COMP_LEVEL_ANY, true));
f99558245e5c 8022832: Add WB APIs for OSR compilation
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diff changeset
295 System.out.printf("\tosr_compiled:\t%b%n",
f99558245e5c 8022832: Add WB APIs for OSR compilation
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diff changeset
296 WHITE_BOX.isMethodCompiled(method, true));
f99558245e5c 8022832: Add WB APIs for OSR compilation
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diff changeset
297 System.out.printf("\tosr_comp_level:\t%d%n",
f99558245e5c 8022832: Add WB APIs for OSR compilation
iignatyev
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diff changeset
298 WHITE_BOX.getMethodCompilationLevel(method, true));
f99558245e5c 8022832: Add WB APIs for OSR compilation
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diff changeset
299 System.out.printf("\tin_queue:\t%b%n",
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diff changeset
300 WHITE_BOX.isMethodQueuedForCompilation(method));
12e01444ca2d 8006683: Add WhiteBox API to testing of compiler
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diff changeset
301 System.out.printf("compile_queues_size:\t%d%n%n",
12e01444ca2d 8006683: Add WhiteBox API to testing of compiler
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diff changeset
302 WHITE_BOX.getCompileQueuesSize());
12e01444ca2d 8006683: Add WhiteBox API to testing of compiler
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parents:
diff changeset
303 }
12e01444ca2d 8006683: Add WhiteBox API to testing of compiler
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diff changeset
304
10113
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305 /**
4b2eebe03f93 8011971: WB API doesn't accept j.l.reflect.Constructor
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diff changeset
306 * Executes testing.
4b2eebe03f93 8011971: WB API doesn't accept j.l.reflect.Constructor
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diff changeset
307 */
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diff changeset
308 protected abstract void test() throws Exception;
12e01444ca2d 8006683: Add WhiteBox API to testing of compiler
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diff changeset
309
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310 /**
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311 * Tries to trigger compilation of {@linkplain #method} by call
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312 * {@linkplain #testCase.callable} enough times.
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313 *
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314 * @return accumulated result
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315 * @see #compile(int)
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316 */
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317 protected final int compile() {
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318 if (testCase.isOsr) {
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319 return compile(1);
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320 } else {
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321 return compile(THRESHOLD);
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322 }
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323 }
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324
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325 /**
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326 * Tries to trigger compilation of {@linkplain #method} by call
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327 * {@linkplain #testCase.callable} specified times.
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328 *
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329 * @param count invocation count
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330 * @return accumulated result
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331 */
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332 protected final int compile(int count) {
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333 int result = 0;
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334 Integer tmp;
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335 for (int i = 0; i < count; ++i) {
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336 try {
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337 tmp = testCase.callable.call();
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338 } catch (Exception e) {
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339 tmp = null;
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340 }
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341 result += tmp == null ? 0 : tmp;
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342 }
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343 if (IS_VERBOSE) {
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344 System.out.println("method was invoked " + count + " times");
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345 }
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346 return result;
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347 }
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348 }
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349
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350 /**
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351 * Utility structure containing tested method and object to invoke it.
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352 */
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353 enum TestCase {
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354 /** constructor test case */
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355 CONSTRUCTOR_TEST(Helper.CONSTRUCTOR, Helper.CONSTRUCTOR_CALLABLE, false),
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356 /** method test case */
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357 METOD_TEST(Helper.METHOD, Helper.METHOD_CALLABLE, false),
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358 /** static method test case */
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359 STATIC_TEST(Helper.STATIC, Helper.STATIC_CALLABLE, false),
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360
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361 /** OSR constructor test case */
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362 OSR_CONSTRUCTOR_TEST(Helper.OSR_CONSTRUCTOR,
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363 Helper.OSR_CONSTRUCTOR_CALLABLE, true),
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364 /** OSR method test case */
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365 OSR_METOD_TEST(Helper.OSR_METHOD, Helper.OSR_METHOD_CALLABLE, true),
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366 /** OSR static method test case */
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367 OSR_STATIC_TEST(Helper.OSR_STATIC, Helper.OSR_STATIC_CALLABLE, true);
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368
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369 /** tested method */
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370 final Executable executable;
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371 /** object to invoke {@linkplain #executable} */
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372 final Callable<Integer> callable;
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373 /** flag for OSR test case */
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374 final boolean isOsr;
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375
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376 private TestCase(Executable executable, Callable<Integer> callable,
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377 boolean isOsr) {
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378 this.executable = executable;
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379 this.callable = callable;
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380 this.isOsr = isOsr;
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381 }
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382
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383 private static class Helper {
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384
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385 private static final Callable<Integer> CONSTRUCTOR_CALLABLE
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386 = new Callable<Integer>() {
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387 @Override
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388 public Integer call() throws Exception {
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389 return new Helper(1337).hashCode();
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390 }
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diff changeset
391 };
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diff changeset
392
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393 private static final Callable<Integer> METHOD_CALLABLE
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394 = new Callable<Integer>() {
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395 private final Helper helper = new Helper();
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diff changeset
396
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diff changeset
397 @Override
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398 public Integer call() throws Exception {
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diff changeset
399 return helper.method();
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400 }
4b2eebe03f93 8011971: WB API doesn't accept j.l.reflect.Constructor
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diff changeset
401 };
4b2eebe03f93 8011971: WB API doesn't accept j.l.reflect.Constructor
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diff changeset
402
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diff changeset
403 private static final Callable<Integer> STATIC_CALLABLE
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diff changeset
404 = new Callable<Integer>() {
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diff changeset
405 @Override
4b2eebe03f93 8011971: WB API doesn't accept j.l.reflect.Constructor
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diff changeset
406 public Integer call() throws Exception {
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diff changeset
407 return staticMethod();
4b2eebe03f93 8011971: WB API doesn't accept j.l.reflect.Constructor
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diff changeset
408 }
4b2eebe03f93 8011971: WB API doesn't accept j.l.reflect.Constructor
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diff changeset
409 };
4b2eebe03f93 8011971: WB API doesn't accept j.l.reflect.Constructor
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diff changeset
410
12073
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diff changeset
411 private static final Callable<Integer> OSR_CONSTRUCTOR_CALLABLE
f99558245e5c 8022832: Add WB APIs for OSR compilation
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diff changeset
412 = new Callable<Integer>() {
f99558245e5c 8022832: Add WB APIs for OSR compilation
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diff changeset
413 @Override
f99558245e5c 8022832: Add WB APIs for OSR compilation
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diff changeset
414 public Integer call() throws Exception {
f99558245e5c 8022832: Add WB APIs for OSR compilation
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diff changeset
415 return new Helper(null).hashCode();
f99558245e5c 8022832: Add WB APIs for OSR compilation
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diff changeset
416 }
f99558245e5c 8022832: Add WB APIs for OSR compilation
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diff changeset
417 };
f99558245e5c 8022832: Add WB APIs for OSR compilation
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diff changeset
418
f99558245e5c 8022832: Add WB APIs for OSR compilation
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diff changeset
419 private static final Callable<Integer> OSR_METHOD_CALLABLE
f99558245e5c 8022832: Add WB APIs for OSR compilation
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diff changeset
420 = new Callable<Integer>() {
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diff changeset
421 private final Helper helper = new Helper();
f99558245e5c 8022832: Add WB APIs for OSR compilation
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diff changeset
422
f99558245e5c 8022832: Add WB APIs for OSR compilation
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diff changeset
423 @Override
f99558245e5c 8022832: Add WB APIs for OSR compilation
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diff changeset
424 public Integer call() throws Exception {
f99558245e5c 8022832: Add WB APIs for OSR compilation
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diff changeset
425 return helper.osrMethod();
f99558245e5c 8022832: Add WB APIs for OSR compilation
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diff changeset
426 }
f99558245e5c 8022832: Add WB APIs for OSR compilation
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diff changeset
427 };
f99558245e5c 8022832: Add WB APIs for OSR compilation
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diff changeset
428
f99558245e5c 8022832: Add WB APIs for OSR compilation
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diff changeset
429 private static final Callable<Integer> OSR_STATIC_CALLABLE
f99558245e5c 8022832: Add WB APIs for OSR compilation
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diff changeset
430 = new Callable<Integer>() {
f99558245e5c 8022832: Add WB APIs for OSR compilation
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diff changeset
431 @Override
f99558245e5c 8022832: Add WB APIs for OSR compilation
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diff changeset
432 public Integer call() throws Exception {
f99558245e5c 8022832: Add WB APIs for OSR compilation
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diff changeset
433 return osrStaticMethod();
f99558245e5c 8022832: Add WB APIs for OSR compilation
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diff changeset
434 }
f99558245e5c 8022832: Add WB APIs for OSR compilation
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diff changeset
435 };
f99558245e5c 8022832: Add WB APIs for OSR compilation
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diff changeset
436
f99558245e5c 8022832: Add WB APIs for OSR compilation
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diff changeset
437
10113
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diff changeset
438 private static final Constructor CONSTRUCTOR;
12073
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diff changeset
439 private static final Constructor OSR_CONSTRUCTOR;
10113
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diff changeset
440 private static final Method METHOD;
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diff changeset
441 private static final Method STATIC;
12073
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diff changeset
442 private static final Method OSR_METHOD;
f99558245e5c 8022832: Add WB APIs for OSR compilation
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diff changeset
443 private static final Method OSR_STATIC;
10113
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diff changeset
444
4b2eebe03f93 8011971: WB API doesn't accept j.l.reflect.Constructor
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diff changeset
445 static {
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diff changeset
446 try {
4b2eebe03f93 8011971: WB API doesn't accept j.l.reflect.Constructor
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diff changeset
447 CONSTRUCTOR = Helper.class.getDeclaredConstructor(int.class);
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diff changeset
448 } catch (NoSuchMethodException | SecurityException e) {
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iignatyev
parents: 9080
diff changeset
449 throw new RuntimeException(
4b2eebe03f93 8011971: WB API doesn't accept j.l.reflect.Constructor
iignatyev
parents: 9080
diff changeset
450 "exception on getting method Helper.<init>(int)", e);
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diff changeset
451 }
4b2eebe03f93 8011971: WB API doesn't accept j.l.reflect.Constructor
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diff changeset
452 try {
12073
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diff changeset
453 OSR_CONSTRUCTOR = Helper.class.getDeclaredConstructor(
f99558245e5c 8022832: Add WB APIs for OSR compilation
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diff changeset
454 Object.class);
10113
4b2eebe03f93 8011971: WB API doesn't accept j.l.reflect.Constructor
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diff changeset
455 } catch (NoSuchMethodException | SecurityException e) {
4b2eebe03f93 8011971: WB API doesn't accept j.l.reflect.Constructor
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diff changeset
456 throw new RuntimeException(
12073
f99558245e5c 8022832: Add WB APIs for OSR compilation
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diff changeset
457 "exception on getting method Helper.<init>(Object)", e);
10113
4b2eebe03f93 8011971: WB API doesn't accept j.l.reflect.Constructor
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diff changeset
458 }
12073
f99558245e5c 8022832: Add WB APIs for OSR compilation
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diff changeset
459 METHOD = getMethod("method");
f99558245e5c 8022832: Add WB APIs for OSR compilation
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parents: 12026
diff changeset
460 STATIC = getMethod("staticMethod");
f99558245e5c 8022832: Add WB APIs for OSR compilation
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diff changeset
461 OSR_METHOD = getMethod("osrMethod");
f99558245e5c 8022832: Add WB APIs for OSR compilation
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diff changeset
462 OSR_STATIC = getMethod("osrStaticMethod");
f99558245e5c 8022832: Add WB APIs for OSR compilation
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diff changeset
463 }
f99558245e5c 8022832: Add WB APIs for OSR compilation
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diff changeset
464
f99558245e5c 8022832: Add WB APIs for OSR compilation
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diff changeset
465 private static Method getMethod(String name) {
10113
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diff changeset
466 try {
12073
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diff changeset
467 return Helper.class.getDeclaredMethod(name);
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diff changeset
468 } catch (NoSuchMethodException | SecurityException e) {
4b2eebe03f93 8011971: WB API doesn't accept j.l.reflect.Constructor
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diff changeset
469 throw new RuntimeException(
12073
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diff changeset
470 "exception on getting method Helper." + name, e);
10113
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471 }
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472
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473 }
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474
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475 private static int staticMethod() {
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476 return 1138;
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477 }
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478
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479 private int method() {
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480 return 42;
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481 }
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482
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483 private static int osrStaticMethod() {
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484 int result = 0;
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485 for (long i = 0; i < CompilerWhiteBoxTest.BACKEDGE_THRESHOLD; ++i) {
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486 result += staticMethod();
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487 }
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488 return result;
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489 }
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490
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491 private int osrMethod() {
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492 int result = 0;
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493 for (long i = 0; i < CompilerWhiteBoxTest.BACKEDGE_THRESHOLD; ++i) {
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494 result += method();
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495 }
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496 return result;
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497 }
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498
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499 private final int x;
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500
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501 // for method and OSR method test case
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502 public Helper() {
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503 x = 0;
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504 }
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505
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506 // for OSR constructor test case
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507 private Helper(Object o) {
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508 int result = 0;
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509 for (long i = 0; i < CompilerWhiteBoxTest.BACKEDGE_THRESHOLD; ++i) {
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510 result += method();
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511 }
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512 x = result;
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513 }
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514
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515 // for constructor test case
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516 private Helper(int x) {
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517 this.x = x;
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518 }
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519
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520 @Override
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521 public int hashCode() {
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522 return x;
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523 }
8051
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524 }
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525 }