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annotate test/compiler/whitebox/MakeMethodNotCompilableTest.java @ 20804:7848fc12602b

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Merge with jdk8u40-b25
author Gilles Duboscq <gilles.m.duboscq@oracle.com>
date Tue, 07 Apr 2015 14:58:49 +0200
parents 52b4284cb496 f5f752e74840
children
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1 /*
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2 * Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23
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24 /*
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25 * @test MakeMethodNotCompilableTest
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26 * @bug 8012322 8006683 8007288 8022832
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27 * @library /testlibrary /testlibrary/whitebox
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28 * @build MakeMethodNotCompilableTest
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29 * @run main ClassFileInstaller sun.hotspot.WhiteBox
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30 * @run main/othervm/timeout=2400 -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:CompileCommand=compileonly,SimpleTestCase$Helper::* MakeMethodNotCompilableTest
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31 * @summary testing of WB::makeMethodNotCompilable()
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32 * @author igor.ignatyev@oracle.com
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33 */
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34 public class MakeMethodNotCompilableTest extends CompilerWhiteBoxTest {
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35 private int bci;
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36 public static void main(String[] args) throws Exception {
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37 CompilerWhiteBoxTest.main(MakeMethodNotCompilableTest::new, args);
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38 }
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39
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40 private MakeMethodNotCompilableTest(TestCase testCase) {
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41 super(testCase);
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42 // to prevent inlining of #method
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43 WHITE_BOX.testSetDontInlineMethod(method, true);
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44 }
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45
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46 /**
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47 * Tests {@code WB::makeMethodNotCompilable()} by calling it before
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48 * compilation and checking that method isn't compiled. Also
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49 * checks that WB::clearMethodState() clears no-compilable flags. For
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50 * tiered, additional checks for all available levels are conducted.
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51 *
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52 * @throws Exception if one of the checks fails.
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53 */
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54 @Override
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55 protected void test() throws Exception {
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56 if (skipXcompOSR()) {
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57 return;
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58 }
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59 checkNotCompiled();
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60 if (!isCompilable()) {
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61 throw new RuntimeException(method + " must be compilable");
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62 }
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63
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64 bci = getBci();
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65
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66 if (TIERED_COMPILATION) {
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67 final int tierLimit = TIERED_STOP_AT_LEVEL + 1;
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68 for (int testedTier = 1; testedTier < tierLimit; ++testedTier) {
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69 testTier(testedTier);
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70 }
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71 for (int testedTier = 1; testedTier < tierLimit; ++testedTier) {
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72 makeNotCompilable(testedTier);
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73 if (isCompilable(testedTier)) {
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74 throw new RuntimeException(method
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75 + " must be not compilable at level" + testedTier);
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76 }
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77 WHITE_BOX.enqueueMethodForCompilation(method, testedTier, bci);
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78 checkNotCompiled();
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79
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80 if (!isCompilable()) {
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81 System.out.println(method
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82 + " is not compilable after level " + testedTier);
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83 }
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84 }
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85 } else {
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86 compile();
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87 checkCompiled();
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88 int compLevel = getCompLevel();
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89 deoptimize();
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90 makeNotCompilable(compLevel);
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91 if (isCompilable(COMP_LEVEL_ANY)) {
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92 throw new RuntimeException(method
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93 + " must be not compilable at CompLevel::CompLevel_any,"
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94 + " after it is not compilable at " + compLevel);
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95 }
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96
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97 WHITE_BOX.clearMethodState(method);
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98 if (!isCompilable()) {
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99 throw new RuntimeException(method
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100 + " is not compilable after clearMethodState()");
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101 }
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102
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103 // nocompilable at opposite level must make no sense
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104 int oppositeLevel;
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105 if (isC1Compile(compLevel)) {
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106 oppositeLevel = COMP_LEVEL_FULL_OPTIMIZATION;
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107 } else {
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108 oppositeLevel = COMP_LEVEL_SIMPLE;
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109 }
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110 makeNotCompilable(oppositeLevel);
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111
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112 if (!isCompilable(COMP_LEVEL_ANY)) {
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113 throw new RuntimeException(method
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114 + " must be compilable at CompLevel::CompLevel_any,"
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115 + " even it is not compilable at opposite level ["
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116 + compLevel + "]");
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117 }
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118
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119 if (!isCompilable(compLevel)) {
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120 throw new RuntimeException(method
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121 + " must be compilable at level " + compLevel
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122 + ", even it is not compilable at opposite level ["
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123 + compLevel + "]");
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124 }
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125 }
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126
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127 // clearing after tiered/non-tiered tests
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128 // WB.clearMethodState() must reset no-compilable flags
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129 WHITE_BOX.clearMethodState(method);
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130 if (!isCompilable()) {
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131 throw new RuntimeException(method
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132 + " is not compilable after clearMethodState()");
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133 }
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134 // Make method not (OSR-)compilable (depending on testCase.isOsr())
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135 makeNotCompilable();
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136 if (isCompilable()) {
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137 throw new RuntimeException(method + " must be not compilable");
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138 }
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139 // Try to (OSR-)compile method
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140 compile();
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141 // Method should not be (OSR-)compiled
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142 checkNotCompiled(testCase.isOsr());
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143 if (isCompilable()) {
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144 throw new RuntimeException(method + " must be not compilable");
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145 }
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146 // WB.clearMethodState() must reset no-compilable flags
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147 WHITE_BOX.clearMethodState(method);
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148 if (!isCompilable()) {
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149 throw new RuntimeException(method
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150 + " is not compilable after clearMethodState()");
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151 }
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152 compile();
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153 checkCompiled();
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154 }
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155
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156 // separately tests each tier
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157 private void testTier(int testedTier) {
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158 if (!isCompilable(testedTier)) {
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159 throw new RuntimeException(method
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160 + " is not compilable on start");
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161 }
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162 makeNotCompilable(testedTier);
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163
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164 // tests for all other tiers
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165 for (int anotherTier = 1, tierLimit = TIERED_STOP_AT_LEVEL + 1;
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166 anotherTier < tierLimit; ++anotherTier) {
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167 boolean isCompilable = isCompilable(anotherTier);
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168 if (sameCompile(testedTier, anotherTier)) {
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169 if (isCompilable) {
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170 throw new RuntimeException(method
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171 + " must be not compilable at level " + anotherTier
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172 + ", if it is not compilable at " + testedTier);
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173 }
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174 WHITE_BOX.enqueueMethodForCompilation(method, anotherTier, bci);
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175 checkNotCompiled();
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176 } else {
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177 if (!isCompilable) {
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178 throw new RuntimeException(method
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179 + " must be compilable at level " + anotherTier
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180 + ", even if it is not compilable at "
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181 + testedTier);
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182 }
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183 WHITE_BOX.enqueueMethodForCompilation(method, anotherTier, bci);
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184 checkCompiled();
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185 deoptimize();
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186 }
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187
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188 if (!isCompilable(COMP_LEVEL_ANY)) {
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189 throw new RuntimeException(method
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190 + " must be compilable at 'CompLevel::CompLevel_any'"
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191 + ", if it is not compilable only at " + testedTier);
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192 }
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193 }
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194
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195 // clear state after test
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196 WHITE_BOX.clearMethodState(method);
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197 if (!isCompilable(testedTier)) {
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198 throw new RuntimeException(method
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199 + " is not compilable after clearMethodState()");
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200 }
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201 }
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202
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203 private boolean sameCompile(int level1, int level2) {
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204 if (level1 == level2) {
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205 return true;
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206 }
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207 if (isC1Compile(level1) && isC1Compile(level2)) {
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208 return true;
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209 }
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210 if (isC2Compile(level1) && isC2Compile(level2)) {
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211 return true;
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212 }
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213 return false;
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214 }
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215
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216 private int getBci() {
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217 compile();
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218 checkCompiled();
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219 int result = WHITE_BOX.getMethodEntryBci(method);
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220 deoptimize();
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221 WHITE_BOX.clearMethodState(method);
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222 return result;
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223 }
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224 }