Mercurial > hg > truffle
annotate test/compiler/whitebox/MakeMethodNotCompilableTest.java @ 10200:d1c9384eecb4
8012322: Tiered: CompilationPolicy::can_be_compiled(CompLevel_all) mistakenly return false
Reviewed-by: kvn, vlivanov
author | iignatyev |
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date | Fri, 26 Apr 2013 07:21:41 -0700 |
parents | 4b2eebe03f93 |
children | 11237ee74aae |
rev | line source |
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8051 | 1 /* |
2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. | |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
20 * or visit www.oracle.com if you need additional information or have any | |
21 * questions. | |
22 */ | |
23 | |
24 /* | |
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() |
8051 | 32 * @author igor.ignatyev@oracle.com |
33 */ | |
34 public class MakeMethodNotCompilableTest extends CompilerWhiteBoxTest { | |
35 | |
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); |
8051 | 53 } |
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"); |
8051 | 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()"); |
8051 | 149 } |
150 compile(); | |
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151 checkCompiled(); |
8051 | 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 } |
8051 | 214 } |