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annotate test/compiler/whitebox/MakeMethodNotCompilableTest.java @ 10988:cd54c7e92908

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8015660: Test8009761.java "Failed: init recursive calls: 24. After deopt 25" Summary: Windows reserves and only partially commits thread stack. For detecting more thread stack space for execution, Windows installs one-shot page as guard page just before the current commited edge. It will trigger STACK_OVERFLOW_EXCEPTION when lands on last 4 pages of thread stack space. StackYellowPages default value is 2 on Windows (plus 1 page of StackRedPages, 3 pages guarded by hotspot) so the exception happens one page before Yellow pages. Same route executed second time will have one more page brought in, this leads same execution with different stack depth(interpreter mode). We need match Windows settings so the stack overflow exception will not happen before Yellow pages. Reviewed-by: dholmes Contributed-by: andreas.schoesser@sap.com
author minqi
date Tue, 18 Jun 2013 09:08:35 -0700
parents d1c9384eecb4
children 11237ee74aae
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 /*
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25 * @test MakeMethodNotCompilableTest
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26 * @bug 8012322
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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 -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI 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
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36 public static void main(String[] args) throws Exception {
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37 if (args.length == 0) {
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38 for (TestCase test : TestCase.values()) {
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39 new MakeMethodNotCompilableTest(test).runTest();
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40 }
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41 } else {
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42 for (String name : args) {
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43 new MakeMethodNotCompilableTest(
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44 TestCase.valueOf(name)).runTest();
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45 }
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46 }
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47 }
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48
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49 public MakeMethodNotCompilableTest(TestCase testCase) {
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50 super(testCase);
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51 // to prevent inlining of #method
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52 WHITE_BOX.testSetDontInlineMethod(method, true);
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53 }
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54
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55 /**
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56 * Tests {@code WB::makeMethodNotCompilable()} by calling it before
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57 * compilation and checking that method isn't compiled. Also
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58 * checks that WB::clearMethodState() clears no-compilable flags. For
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59 * tiered, additional checks for all available levels are conducted.
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60 *
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61 * @throws Exception if one of the checks fails.
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62 */
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63 @Override
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64 protected void test() throws Exception {
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65 checkNotCompiled();
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66 if (!WHITE_BOX.isMethodCompilable(method)) {
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67 throw new RuntimeException(method + " must be compilable");
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68 }
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69
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70 if (TIERED_COMPILATION) {
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71 final int tierLimit = TIERED_STOP_AT_LEVEL + 1;
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72 for (int testedTier = 1; testedTier < tierLimit; ++testedTier) {
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73 testTier(testedTier);
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74 }
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75 for (int testedTier = 1; testedTier < tierLimit; ++testedTier) {
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76 WHITE_BOX.makeMethodNotCompilable(method, testedTier);
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77 if (WHITE_BOX.isMethodCompilable(method, testedTier)) {
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78 throw new RuntimeException(method
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79 + " must be not compilable at level" + testedTier);
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80 }
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81 WHITE_BOX.enqueueMethodForCompilation(method, testedTier);
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82 checkNotCompiled();
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83
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84 if (!WHITE_BOX.isMethodCompilable(method)) {
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85 System.out.println(method
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86 + " is not compilable after level " + testedTier);
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87 }
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88 }
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89 } else {
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90 compile();
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91 checkCompiled();
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92 int compLevel = WHITE_BOX.getMethodCompilationLevel(method);
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93 WHITE_BOX.deoptimizeMethod(method);
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94 WHITE_BOX.makeMethodNotCompilable(method, compLevel);
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95 if (WHITE_BOX.isMethodCompilable(method, COMP_LEVEL_ANY)) {
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96 throw new RuntimeException(method
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97 + " must be not compilable at CompLevel::CompLevel_any,"
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98 + " after it is not compilable at " + compLevel);
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99 }
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100 WHITE_BOX.clearMethodState(method);
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101
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102 // nocompilable at opposite level must make no sense
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103 int oppositeLevel;
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104 if (isC1Compile(compLevel)) {
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105 oppositeLevel = COMP_LEVEL_FULL_OPTIMIZATION;
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106 } else {
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107 oppositeLevel = COMP_LEVEL_SIMPLE;
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108 }
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109 WHITE_BOX.makeMethodNotCompilable(method, oppositeLevel);
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110
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111 if (!WHITE_BOX.isMethodCompilable(method, COMP_LEVEL_ANY)) {
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112 throw new RuntimeException(method
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113 + " must be compilable at CompLevel::CompLevel_any,"
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114 + " even it is not compilable at opposite level ["
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115 + compLevel + "]");
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116 }
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117
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118 if (!WHITE_BOX.isMethodCompilable(method, compLevel)) {
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119 throw new RuntimeException(method
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120 + " must be compilable at level " + compLevel
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121 + ", even it is not compilable at opposite level ["
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122 + compLevel + "]");
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123 }
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124 }
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125
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126 // clearing after tiered/non-tiered tests
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127 // WB.clearMethodState() must reset no-compilable flags
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128 WHITE_BOX.clearMethodState(method);
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129 if (!WHITE_BOX.isMethodCompilable(method)) {
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130 throw new RuntimeException(method
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131 + " is not compilable after clearMethodState()");
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132 }
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133
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134 WHITE_BOX.makeMethodNotCompilable(method);
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135 if (WHITE_BOX.isMethodCompilable(method)) {
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136 throw new RuntimeException(method + " must be not compilable");
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137 }
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138
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139 compile();
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140 checkNotCompiled();
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141 if (WHITE_BOX.isMethodCompilable(method)) {
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142 throw new RuntimeException(method + " must be not compilable");
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143 }
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144 // WB.clearMethodState() must reset no-compilable flags
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145 WHITE_BOX.clearMethodState(method);
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146 if (!WHITE_BOX.isMethodCompilable(method)) {
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147 throw new RuntimeException(method
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148 + " is not compilable after clearMethodState()");
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149 }
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150 compile();
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151 checkCompiled();
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152 }
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153
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154 // separately tests each tier
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155 private void testTier(int testedTier) {
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156 if (!WHITE_BOX.isMethodCompilable(method, testedTier)) {
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157 throw new RuntimeException(method
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158 + " is not compilable on start");
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159 }
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160 WHITE_BOX.makeMethodNotCompilable(method, testedTier);
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161
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162 // tests for all other tiers
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163 for (int anotherTier = 1, tierLimit = TIERED_STOP_AT_LEVEL + 1;
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164 anotherTier < tierLimit; ++anotherTier) {
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165 boolean isCompilable = WHITE_BOX.isMethodCompilable(method,
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166 anotherTier);
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167 if (sameCompile(testedTier, anotherTier)) {
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168 if (isCompilable) {
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169 throw new RuntimeException(method
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170 + " must be not compilable at level " + anotherTier
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171 + ", if it is not compilable at " + testedTier);
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172 }
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173 WHITE_BOX.enqueueMethodForCompilation(method, anotherTier);
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174 checkNotCompiled();
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175 } else {
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176 if (!isCompilable) {
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177 throw new RuntimeException(method
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178 + " must be compilable at level " + anotherTier
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179 + ", even if it is not compilable at "
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180 + testedTier);
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181 }
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182 WHITE_BOX.enqueueMethodForCompilation(method, anotherTier);
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183 checkCompiled();
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184 WHITE_BOX.deoptimizeMethod(method);
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185 }
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186
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187 if (!WHITE_BOX.isMethodCompilable(method, COMP_LEVEL_ANY)) {
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188 throw new RuntimeException(method
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189 + " must be compilable at 'CompLevel::CompLevel_any'"
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190 + ", if it is not compilable only at " + testedTier);
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191 }
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192 }
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193
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194 // clear state after test
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195 WHITE_BOX.clearMethodState(method);
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196 if (!WHITE_BOX.isMethodCompilable(method, testedTier)) {
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197 throw new RuntimeException(method
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198 + " is not compilable after clearMethodState()");
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199 }
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200 }
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201
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202 private boolean sameCompile(int level1, int level2) {
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203 if (level1 == level2) {
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204 return true;
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205 }
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206 if (isC1Compile(level1) && isC1Compile(level2)) {
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207 return true;
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208 }
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209 if (isC2Compile(level1) && isC2Compile(level2)) {
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210 return true;
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211 }
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212 return false;
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213 }
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214 }