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annotate test/compiler/whitebox/MakeMethodNotCompilableTest.java @ 15001:27c04ee36dcb

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author Lukas Stadler <lukas.stadler@oracle.com>
date Mon, 07 Apr 2014 11:32:04 +0200
parents 4ca6dc0799b6
children 52b4284cb496
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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 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,TestCase$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 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 if (testCase.isOsr && CompilerWhiteBoxTest.MODE.startsWith(
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66 "compiled ")) {
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67 System.err.printf("Warning: %s is not applicable in %s%n",
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68 testCase.name(), CompilerWhiteBoxTest.MODE);
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69 return;
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70 }
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71 checkNotCompiled();
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72 if (!isCompilable()) {
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73 throw new RuntimeException(method + " must be compilable");
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74 }
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75
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76 bci = getBci();
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77
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78 if (TIERED_COMPILATION) {
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79 final int tierLimit = TIERED_STOP_AT_LEVEL + 1;
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80 for (int testedTier = 1; testedTier < tierLimit; ++testedTier) {
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81 testTier(testedTier);
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82 }
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83 for (int testedTier = 1; testedTier < tierLimit; ++testedTier) {
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84 makeNotCompilable(testedTier);
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85 if (isCompilable(testedTier)) {
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86 throw new RuntimeException(method
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87 + " must be not compilable at level" + testedTier);
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88 }
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89 WHITE_BOX.enqueueMethodForCompilation(method, testedTier, bci);
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90 checkNotCompiled();
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91
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92 if (!isCompilable()) {
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93 System.out.println(method
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94 + " is not compilable after level " + testedTier);
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95 }
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96 }
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97 } else {
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98 compile();
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99 checkCompiled();
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100 int compLevel = getCompLevel();
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101 deoptimize();
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102 makeNotCompilable(compLevel);
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103 if (isCompilable(COMP_LEVEL_ANY)) {
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104 throw new RuntimeException(method
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105 + " must be not compilable at CompLevel::CompLevel_any,"
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106 + " after it is not compilable at " + compLevel);
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107 }
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108
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109 WHITE_BOX.clearMethodState(method);
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110 if (!isCompilable()) {
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111 throw new RuntimeException(method
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112 + " is not compilable after clearMethodState()");
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113 }
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114
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115 // nocompilable at opposite level must make no sense
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116 int oppositeLevel;
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117 if (isC1Compile(compLevel)) {
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118 oppositeLevel = COMP_LEVEL_FULL_OPTIMIZATION;
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119 } else {
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120 oppositeLevel = COMP_LEVEL_SIMPLE;
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121 }
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122 makeNotCompilable(oppositeLevel);
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123
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124 if (!isCompilable(COMP_LEVEL_ANY)) {
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125 throw new RuntimeException(method
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126 + " must be compilable at CompLevel::CompLevel_any,"
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127 + " even it is not compilable at opposite level ["
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128 + compLevel + "]");
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129 }
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130
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131 if (!isCompilable(compLevel)) {
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132 throw new RuntimeException(method
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133 + " must be compilable at level " + compLevel
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134 + ", even it is not compilable at opposite level ["
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135 + compLevel + "]");
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136 }
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137 }
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138
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139 // clearing after tiered/non-tiered tests
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140 // WB.clearMethodState() must reset no-compilable flags
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141 WHITE_BOX.clearMethodState(method);
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142 if (!isCompilable()) {
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143 throw new RuntimeException(method
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144 + " is not compilable after clearMethodState()");
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145 }
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146
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147 makeNotCompilable();
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148 if (isCompilable()) {
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149 throw new RuntimeException(method + " must be not compilable");
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150 }
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151
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152 compile();
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153 checkNotCompiled();
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154 if (isCompilable()) {
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155 throw new RuntimeException(method + " must be not compilable");
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156 }
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157 // WB.clearMethodState() must reset no-compilable flags
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158 WHITE_BOX.clearMethodState(method);
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159 if (!isCompilable()) {
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160 throw new RuntimeException(method
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161 + " is not compilable after clearMethodState()");
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162 }
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163 compile();
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164 checkCompiled();
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165 }
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166
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167 // separately tests each tier
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168 private void testTier(int testedTier) {
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169 if (!isCompilable(testedTier)) {
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170 throw new RuntimeException(method
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171 + " is not compilable on start");
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172 }
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173 makeNotCompilable(testedTier);
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174
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175 // tests for all other tiers
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176 for (int anotherTier = 1, tierLimit = TIERED_STOP_AT_LEVEL + 1;
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177 anotherTier < tierLimit; ++anotherTier) {
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178 boolean isCompilable = isCompilable(anotherTier);
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179 if (sameCompile(testedTier, anotherTier)) {
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180 if (isCompilable) {
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181 throw new RuntimeException(method
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182 + " must be not compilable at level " + anotherTier
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183 + ", if it is not compilable at " + testedTier);
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184 }
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185 WHITE_BOX.enqueueMethodForCompilation(method, anotherTier, bci);
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186 checkNotCompiled();
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187 } else {
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188 if (!isCompilable) {
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189 throw new RuntimeException(method
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190 + " must be compilable at level " + anotherTier
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191 + ", even if it is not compilable at "
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192 + testedTier);
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193 }
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194 WHITE_BOX.enqueueMethodForCompilation(method, anotherTier, bci);
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195 checkCompiled();
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196 deoptimize();
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197 }
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198
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199 if (!isCompilable(COMP_LEVEL_ANY)) {
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200 throw new RuntimeException(method
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201 + " must be compilable at 'CompLevel::CompLevel_any'"
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202 + ", if it is not compilable only at " + testedTier);
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203 }
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204 }
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205
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206 // clear state after test
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207 WHITE_BOX.clearMethodState(method);
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208 if (!isCompilable(testedTier)) {
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209 throw new RuntimeException(method
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210 + " is not compilable after clearMethodState()");
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211 }
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212 }
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213
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214 private boolean sameCompile(int level1, int level2) {
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215 if (level1 == level2) {
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216 return true;
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217 }
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218 if (isC1Compile(level1) && isC1Compile(level2)) {
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219 return true;
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220 }
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221 if (isC2Compile(level1) && isC2Compile(level2)) {
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222 return true;
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223 }
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224 return false;
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225 }
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226
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227 private int getBci() {
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228 compile();
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229 checkCompiled();
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230 int result = WHITE_BOX.getMethodEntryBci(method);
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231 deoptimize();
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232 WHITE_BOX.clearMethodState(method);
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233 return result;
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234 }
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235 }