Mercurial > hg > graal-jvmci-8
annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/CompilationTask.java @ 19306:a0a760b0fb5f
pulled method evolution dependencies out of Assumptions and directly into StructuredGraph
author | Doug Simon <doug.simon@oracle.com> |
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date | Thu, 12 Feb 2015 01:54:05 +0100 |
parents | 313f9a9647e5 |
children | 98592ae4b1fa |
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1 /* |
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2 * Copyright (c) 2012, 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 package com.oracle.graal.hotspot; |
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24 |
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25 import static com.oracle.graal.api.code.CallingConvention.Type.*; |
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26 import static com.oracle.graal.api.code.CodeUtil.*; |
13239 | 27 import static com.oracle.graal.compiler.GraalCompiler.*; |
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28 import static com.oracle.graal.compiler.common.GraalOptions.*; |
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29 import static com.oracle.graal.compiler.common.UnsafeAccess.*; |
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30 import static com.oracle.graal.debug.Debug.*; |
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31 import static com.oracle.graal.hotspot.HotSpotGraalRuntime.*; |
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32 import static com.oracle.graal.hotspot.InitTimer.*; |
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33 import static com.oracle.graal.hotspot.meta.HotSpotSuitesProvider.*; |
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34 import static com.oracle.graal.nodes.StructuredGraph.*; |
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35 import static com.oracle.graal.phases.common.inlining.InliningUtil.*; |
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36 |
14753 | 37 import java.lang.management.*; |
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38 import java.util.*; |
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39 import java.util.concurrent.*; |
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40 |
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41 import com.oracle.graal.api.code.*; |
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42 import com.oracle.graal.api.code.CallingConvention.Type; |
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43 import com.oracle.graal.api.meta.*; |
15663 | 44 import com.oracle.graal.api.runtime.*; |
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45 import com.oracle.graal.baseline.*; |
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46 import com.oracle.graal.compiler.common.*; |
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47 import com.oracle.graal.debug.*; |
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48 import com.oracle.graal.debug.Debug.Scope; |
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49 import com.oracle.graal.debug.internal.*; |
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50 import com.oracle.graal.hotspot.bridge.*; |
15663 | 51 import com.oracle.graal.hotspot.events.*; |
52 import com.oracle.graal.hotspot.events.EventProvider.CompilationEvent; | |
53 import com.oracle.graal.hotspot.events.EventProvider.CompilerFailureEvent; | |
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54 import com.oracle.graal.hotspot.meta.*; |
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55 import com.oracle.graal.hotspot.phases.*; |
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56 import com.oracle.graal.java.*; |
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57 import com.oracle.graal.lir.asm.*; |
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58 import com.oracle.graal.lir.phases.*; |
5138 | 59 import com.oracle.graal.nodes.*; |
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60 import com.oracle.graal.nodes.spi.*; |
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61 import com.oracle.graal.phases.*; |
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Restructuring in the GraphBuilder to have less fields in the phase instance.
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62 import com.oracle.graal.phases.OptimisticOptimizations.Optimization; |
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63 import com.oracle.graal.phases.tiers.*; |
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64 import com.oracle.graal.printer.*; |
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65 |
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66 //JaCoCo Exclude |
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67 |
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68 public class CompilationTask { |
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69 |
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70 static { |
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71 try (InitTimer t = timer("initialize CompilationTask")) { |
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72 // Must be first to ensure any options accessed by the rest of the class |
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73 // initializer are initialized from the command line. |
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74 HotSpotOptions.initialize(); |
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75 } |
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76 } |
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77 |
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78 private static final DebugMetric BAILOUTS = Debug.metric("Bailouts"); |
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79 |
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80 private final HotSpotBackend backend; |
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81 private final HotSpotResolvedJavaMethod method; |
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82 private final int entryBCI; |
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83 private final int id; |
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84 |
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85 /** |
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86 * Specifies whether the compilation result is installed as the |
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87 * {@linkplain HotSpotNmethod#isDefault() default} nmethod for the compiled method. |
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88 */ |
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89 private final boolean installAsDefault; |
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90 |
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91 private StructuredGraph graph; |
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92 |
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93 /** |
14753 | 94 * A {@link com.sun.management.ThreadMXBean} to be able to query some information about the |
95 * current compiler thread, e.g. total allocated bytes. | |
96 */ | |
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97 private static final com.sun.management.ThreadMXBean threadMXBean = (com.sun.management.ThreadMXBean) ManagementFactory.getThreadMXBean(); |
14753 | 98 |
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99 /** |
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100 * The address of the native CompileTask associated with this compilation or 0L if no such |
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101 * association exists. |
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102 */ |
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103 private final long ctask; |
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104 |
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105 public CompilationTask(HotSpotBackend backend, HotSpotResolvedJavaMethod method, int entryBCI, long ctask, int id, boolean installAsDefault) { |
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106 this.backend = backend; |
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107 this.method = method; |
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108 this.entryBCI = entryBCI; |
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109 this.id = id; |
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110 this.ctask = ctask; |
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111 this.installAsDefault = installAsDefault; |
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112 } |
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113 |
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114 public ResolvedJavaMethod getMethod() { |
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115 return method; |
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116 } |
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117 |
15663 | 118 /** |
119 * Returns the compilation id of this task. | |
120 * | |
121 * @return compile id | |
122 */ | |
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123 public int getId() { |
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124 return id; |
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125 } |
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126 |
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127 public int getEntryBCI() { |
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128 return entryBCI; |
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129 } |
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130 |
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131 /** |
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132 * Time spent in compilation. |
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133 */ |
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134 public static final DebugTimer CompilationTime = Debug.timer("CompilationTime"); |
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135 |
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136 public static final DebugTimer CodeInstallationTime = Debug.timer("CodeInstallation"); |
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137 |
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138 protected Suites getSuites(HotSpotProviders providers) { |
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139 return providers.getSuites().getDefaultSuites(); |
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140 } |
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141 |
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142 protected LIRSuites getLIRSuites(HotSpotProviders providers) { |
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143 return providers.getSuites().getDefaultLIRSuites(); |
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144 } |
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145 |
13585 | 146 protected PhaseSuite<HighTierContext> getGraphBuilderSuite(HotSpotProviders providers) { |
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147 PhaseSuite<HighTierContext> suite = withSimpleDebugInfoIfRequested(providers.getSuites().getDefaultGraphBuilderSuite()); |
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148 |
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149 boolean osrCompilation = entryBCI != StructuredGraph.INVOCATION_ENTRY_BCI; |
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150 if (osrCompilation) { |
13585 | 151 suite = suite.copy(); |
152 suite.appendPhase(new OnStackReplacementPhase()); | |
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153 } |
13585 | 154 return suite; |
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155 } |
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156 |
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157 protected OptimisticOptimizations getOptimisticOpts(ProfilingInfo profilingInfo) { |
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158 return new OptimisticOptimizations(profilingInfo); |
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159 } |
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160 |
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161 protected ProfilingInfo getProfilingInfo() { |
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162 boolean osrCompilation = entryBCI != StructuredGraph.INVOCATION_ENTRY_BCI; |
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163 return method.getCompilationProfilingInfo(osrCompilation); |
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164 } |
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165 |
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166 public void runCompilation() { |
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167 HotSpotVMConfig config = backend.getRuntime().getConfig(); |
14753 | 168 final long threadId = Thread.currentThread().getId(); |
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169 long previousInlinedBytecodes = InlinedBytecodes.getCurrentValue(); |
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170 long previousCompilationTime = CompilationTime.getCurrentValue(); |
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171 HotSpotInstalledCode installedCode = null; |
15663 | 172 final boolean isOSR = entryBCI != StructuredGraph.INVOCATION_ENTRY_BCI; |
173 | |
174 // Log a compilation event. | |
175 EventProvider eventProvider = Graal.getRequiredCapability(EventProvider.class); | |
176 CompilationEvent compilationEvent = eventProvider.newCompilationEvent(); | |
14753 | 177 |
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178 try (TimerCloseable a = CompilationTime.start()) { |
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179 // If there is already compiled code for this method on our level we simply return. |
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180 // Graal compiles are always at the highest compile level, even in non-tiered mode so we |
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181 // only need to check for that value. |
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182 if (method.hasCodeAtLevel(entryBCI, config.compilationLevelFullOptimization)) { |
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183 return; |
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184 } |
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185 |
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186 CompilationStatistics stats = CompilationStatistics.create(method, isOSR); |
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187 final boolean printCompilation = PrintCompilation.getValue() && !TTY.isSuppressed(); |
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188 if (printCompilation) { |
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189 TTY.println(getMethodDescription() + "..."); |
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190 } |
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191 |
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192 CompilationResult result = null; |
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193 TTY.Filter filter = new TTY.Filter(PrintFilter.getValue(), method); |
14753 | 194 final long start = System.currentTimeMillis(); |
195 final long allocatedBytesBefore = threadMXBean.getThreadAllocatedBytes(threadId); | |
196 | |
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197 try (Scope s = Debug.scope("Compiling", new DebugDumpScope(String.valueOf(id), true))) { |
15663 | 198 // Begin the compilation event. |
199 compilationEvent.begin(); | |
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200 |
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201 if (UseBaselineCompiler.getValue() == true) { |
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202 HotSpotProviders providers = backend.getProviders(); |
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203 BaselineCompiler baselineCompiler = new BaselineCompiler(GraphBuilderConfiguration.getDefault(), providers.getMetaAccess()); |
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204 OptimisticOptimizations optimisticOpts = OptimisticOptimizations.ALL; |
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205 result = baselineCompiler.generate(method, -1, backend, new CompilationResult(), method, CompilationResultBuilderFactory.Default, optimisticOpts, providers.getReplacements()); |
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206 } else { |
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207 Map<ResolvedJavaMethod, StructuredGraph> graphCache = null; |
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208 if (GraalOptions.CacheGraphs.getValue()) { |
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209 graphCache = new HashMap<>(); |
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210 } |
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211 |
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212 HotSpotProviders providers = backend.getProviders(); |
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213 Replacements replacements = providers.getReplacements(); |
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214 graph = replacements.getMethodSubstitution(method); |
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215 if (graph == null || entryBCI != INVOCATION_ENTRY_BCI) { |
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216 graph = new StructuredGraph(method, entryBCI, AllowAssumptions.from(OptAssumptions.getValue())); |
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217 } else { |
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218 // Compiling method substitution - must clone the graph |
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219 graph = graph.copy(graph.name, method, AllowAssumptions.from(OptAssumptions.getValue())); |
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220 } |
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221 InlinedBytecodes.add(method.getCodeSize()); |
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222 CallingConvention cc = getCallingConvention(providers.getCodeCache(), Type.JavaCallee, graph.method(), false); |
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223 if (graph.getEntryBCI() != StructuredGraph.INVOCATION_ENTRY_BCI) { |
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224 // for OSR, only a pointer is passed to the method. |
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225 JavaType[] parameterTypes = new JavaType[]{providers.getMetaAccess().lookupJavaType(long.class)}; |
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226 CallingConvention tmp = providers.getCodeCache().getRegisterConfig().getCallingConvention(JavaCallee, providers.getMetaAccess().lookupJavaType(void.class), parameterTypes, |
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227 backend.getTarget(), false); |
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228 cc = new CallingConvention(cc.getStackSize(), cc.getReturn(), tmp.getArgument(0)); |
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229 } |
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230 Suites suites = getSuites(providers); |
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231 LIRSuites lirSuites = getLIRSuites(providers); |
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232 ProfilingInfo profilingInfo = getProfilingInfo(); |
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233 OptimisticOptimizations optimisticOpts = getOptimisticOpts(profilingInfo); |
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234 if (isOSR) { |
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235 // In OSR compiles, we cannot rely on never executed code profiles, because |
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236 // all code after the OSR loop is never executed. |
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237 optimisticOpts.remove(Optimization.RemoveNeverExecutedCode); |
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238 } |
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239 result = compileGraph(graph, cc, method, providers, backend, backend.getTarget(), graphCache, getGraphBuilderSuite(providers), optimisticOpts, profilingInfo, |
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240 method.getSpeculationLog(), suites, lirSuites, new CompilationResult(), CompilationResultBuilderFactory.Default); |
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241 } |
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242 result.setId(getId()); |
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243 result.setEntryBCI(entryBCI); |
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244 } catch (Throwable e) { |
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245 throw Debug.handle(e); |
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246 } finally { |
15663 | 247 // End the compilation event. |
248 compilationEvent.end(); | |
249 | |
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250 filter.remove(); |
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251 final boolean printAfterCompilation = PrintAfterCompilation.getValue() && !TTY.isSuppressed(); |
14753 | 252 |
253 if (printAfterCompilation || printCompilation) { | |
254 final long stop = System.currentTimeMillis(); | |
255 final int targetCodeSize = result != null ? result.getTargetCodeSize() : -1; | |
256 final long allocatedBytesAfter = threadMXBean.getThreadAllocatedBytes(threadId); | |
257 final long allocatedBytes = (allocatedBytesAfter - allocatedBytesBefore) / 1024; | |
258 | |
259 if (printAfterCompilation) { | |
260 TTY.println(getMethodDescription() + String.format(" | %4dms %5dB %5dkB", stop - start, targetCodeSize, allocatedBytes)); | |
261 } else if (printCompilation) { | |
262 TTY.println(String.format("%-6d Graal %-70s %-45s %-50s | %4dms %5dB %5dkB", id, "", "", "", stop - start, targetCodeSize, allocatedBytes)); | |
263 } | |
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264 } |
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265 } |
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266 |
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267 try (TimerCloseable b = CodeInstallationTime.start()) { |
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268 installedCode = (HotSpotInstalledCode) installMethod(result); |
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269 if (!isOSR) { |
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270 ProfilingInfo profile = method.getProfilingInfo(); |
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271 profile.setCompilerIRSize(StructuredGraph.class, graph.getNodeCount()); |
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272 } |
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273 } |
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274 stats.finish(method, installedCode); |
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275 } catch (BailoutException bailout) { |
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276 BAILOUTS.increment(); |
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277 if (ExitVMOnBailout.getValue()) { |
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278 TTY.cachedOut.println(method.format("Bailout in %H.%n(%p)")); |
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279 bailout.printStackTrace(TTY.cachedOut); |
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280 System.exit(-1); |
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281 } else if (PrintBailout.getValue()) { |
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282 TTY.cachedOut.println(method.format("Bailout in %H.%n(%p)")); |
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283 bailout.printStackTrace(TTY.cachedOut); |
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284 } |
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285 } catch (Throwable t) { |
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286 if (PrintStackTraceOnException.getValue() || ExitVMOnException.getValue()) { |
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287 t.printStackTrace(TTY.cachedOut); |
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288 } |
15663 | 289 |
290 // Log a failure event. | |
291 CompilerFailureEvent event = eventProvider.newCompilerFailureEvent(); | |
292 if (event.shouldWrite()) { | |
293 event.setCompileId(getId()); | |
294 event.setMessage(t.getMessage()); | |
295 event.commit(); | |
296 } | |
297 | |
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298 if (ExitVMOnException.getValue()) { |
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299 System.exit(-1); |
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300 } |
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301 } finally { |
15663 | 302 final int processedBytes = (int) (InlinedBytecodes.getCurrentValue() - previousInlinedBytecodes); |
303 | |
304 // Log a compilation event. | |
305 if (compilationEvent.shouldWrite()) { | |
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306 compilationEvent.setMethod(method.format("%H.%n(%p)")); |
15663 | 307 compilationEvent.setCompileId(getId()); |
308 compilationEvent.setCompileLevel(config.compilationLevelFullOptimization); | |
309 compilationEvent.setSucceeded(true); | |
310 compilationEvent.setIsOsr(isOSR); | |
311 compilationEvent.setCodeSize(installedCode.getSize()); | |
312 compilationEvent.setInlinedBytes(processedBytes); | |
313 compilationEvent.commit(); | |
314 } | |
315 | |
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316 if (ctask != 0) { |
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317 unsafe.putInt(ctask + config.compileTaskNumInlinedBytecodesOffset, processedBytes); |
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318 } |
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319 if ((config.ciTime || config.ciTimeEach) && installedCode != null) { |
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320 long time = CompilationTime.getCurrentValue() - previousCompilationTime; |
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321 TimeUnit timeUnit = CompilationTime.getTimeUnit(); |
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322 long timeUnitsPerSecond = timeUnit.convert(1, TimeUnit.SECONDS); |
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323 CompilerToVM c2vm = backend.getRuntime().getCompilerToVM(); |
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324 c2vm.notifyCompilationStatistics(id, method, entryBCI != INVOCATION_ENTRY_BCI, processedBytes, time, timeUnitsPerSecond, installedCode); |
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325 } |
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326 } |
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327 } |
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328 |
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329 private String getMethodDescription() { |
16483
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330 return String.format("%-6d Graal %-70s %-45s %-50s %s", id, method.getDeclaringClass().getName(), method.getName(), method.getSignature().toMethodDescriptor(), |
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331 entryBCI == StructuredGraph.INVOCATION_ENTRY_BCI ? "" : "(OSR@" + entryBCI + ") "); |
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332 } |
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333 |
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334 private InstalledCode installMethod(final CompilationResult compResult) { |
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335 final HotSpotCodeCacheProvider codeCache = backend.getProviders().getCodeCache(); |
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336 InstalledCode installedCode = null; |
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337 try (Scope s = Debug.scope("CodeInstall", new DebugDumpScope(String.valueOf(id), true), codeCache, method)) { |
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338 installedCode = codeCache.installMethod(method, compResult, ctask, installAsDefault); |
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339 } catch (Throwable e) { |
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340 throw Debug.handle(e); |
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341 } |
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342 return installedCode; |
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343 } |
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344 |
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345 @Override |
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346 public String toString() { |
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347 return "Compilation[id=" + id + ", " + method.format("%H.%n(%p)") + (entryBCI == StructuredGraph.INVOCATION_ENTRY_BCI ? "" : "@" + entryBCI) + "]"; |
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348 } |
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349 |
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350 /** |
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351 * Schedules compilation of a metaspace Method. |
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352 * |
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353 * Called from the VM. |
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354 * |
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355 * @param metaspaceMethod |
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356 * @param entryBCI |
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357 * @param ctask address of native CompileTask object |
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358 * @param id CompileTask::_compile_id |
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359 */ |
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360 @SuppressWarnings("unused") |
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361 private static void compileMetaspaceMethod(long metaspaceMethod, int entryBCI, long ctask, int id) { |
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362 // Ensure a Graal runtime is initialized prior to Debug being initialized as the former |
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363 // may include processing command line options used by the latter. |
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364 Graal.getRuntime(); |
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365 |
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366 // Ensure a debug configuration for this thread is initialized |
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367 if (Debug.isEnabled() && DebugScope.getConfig() == null) { |
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368 DebugEnvironment.initialize(TTY.cachedOut); |
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369 } |
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370 |
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371 HotSpotResolvedJavaMethod method = HotSpotResolvedJavaMethodImpl.fromMetaspace(metaspaceMethod); |
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372 compileMethod(method, entryBCI, ctask, id); |
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373 } |
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374 |
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375 /** |
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376 * Compiles a method to machine code. |
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377 */ |
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378 static void compileMethod(HotSpotResolvedJavaMethod method, int entryBCI, long ctask, int id) { |
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379 HotSpotBackend backend = runtime().getHostBackend(); |
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380 CompilationTask task = new CompilationTask(backend, method, entryBCI, ctask, id, true); |
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381 try (DebugConfigScope dcs = setConfig(new TopLevelDebugConfig())) { |
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382 task.runCompilation(); |
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383 } |
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384 return; |
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385 } |
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386 } |