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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/CompilationTask.java @ 6963:dd0dd0321e2a

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throw BailoutException instead of GraalInternalError when encountering request for OSR compilation at a point where the expression stack is not empty
author Doug Simon <doug.simon@oracle.com>
date Sun, 18 Nov 2012 22:45:43 +0100
parents 98d691bc23da
children b79ad92d5a26
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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 java.util.concurrent.*;
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26
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27 import com.oracle.graal.api.code.*;
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28 import com.oracle.graal.api.meta.*;
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29 import com.oracle.graal.debug.*;
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30 import com.oracle.graal.hotspot.meta.*;
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31 import com.oracle.graal.nodes.*;
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32 import com.oracle.graal.phases.*;
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33
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34
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35 public final class CompilationTask implements Runnable, Comparable<CompilationTask> {
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36
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37
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38 public static final ThreadLocal<Boolean> withinEnqueue = new ThreadLocal<Boolean>() {
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39 @Override
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40 protected Boolean initialValue() {
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41 return Boolean.valueOf(Thread.currentThread() instanceof CompilerThread);
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42 }
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43 };
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44
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45 private volatile boolean cancelled;
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46 private volatile boolean inProgress;
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47
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48 private final HotSpotGraalRuntime graalRuntime;
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49 private final PhasePlan plan;
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50 private final OptimisticOptimizations optimisticOpts;
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51 private final HotSpotResolvedJavaMethod method;
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52 private final int entryBCI;
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53 private final int id;
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54 private final int priority;
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55
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56 public static CompilationTask create(HotSpotGraalRuntime graalRuntime, PhasePlan plan, OptimisticOptimizations optimisticOpts, HotSpotResolvedJavaMethod method, int entryBCI, int id, int priority) {
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57 return new CompilationTask(graalRuntime, plan, optimisticOpts, method, entryBCI, id, priority);
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58 }
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59
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60 private CompilationTask(HotSpotGraalRuntime graalRuntime, PhasePlan plan, OptimisticOptimizations optimisticOpts, HotSpotResolvedJavaMethod method, int entryBCI, int id, int priority) {
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61 this.graalRuntime = graalRuntime;
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62 this.plan = plan;
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63 this.method = method;
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64 this.optimisticOpts = optimisticOpts;
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65 this.entryBCI = entryBCI;
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66 this.id = id;
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67 this.priority = priority;
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68 }
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69
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70 public ResolvedJavaMethod getMethod() {
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71 return method;
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72 }
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73
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74 public int getPriority() {
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75 return priority;
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76 }
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77
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78 public void cancel() {
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79 cancelled = true;
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80 }
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81
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82 public boolean isInProgress() {
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83 return inProgress;
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84 }
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85
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86 public int getEntryBCI() {
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87 return entryBCI;
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88 }
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89
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90 public void run() {
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91 withinEnqueue.set(Boolean.FALSE);
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92 try {
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93 if (cancelled) {
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94 return;
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95 }
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96 inProgress = true;
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97 if (GraalOptions.DynamicCompilePriority) {
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98 int threadPriority = priority < GraalOptions.SlowQueueCutoff ? Thread.NORM_PRIORITY : Thread.MIN_PRIORITY;
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99 if (Thread.currentThread().getPriority() != threadPriority) {
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100 Thread.currentThread().setPriority(threadPriority);
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101 }
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102 }
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103 runCompilation();
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104 if (method.currentTask() == this && entryBCI == StructuredGraph.INVOCATION_ENTRY_BCI) {
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105 method.setCurrentTask(null);
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106 }
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107 } finally {
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108 inProgress = false;
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109 withinEnqueue.set(Boolean.TRUE);
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110 }
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111 }
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112
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113 public void runCompilation() {
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114 CompilationStatistics stats = CompilationStatistics.create(method);
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115 try {
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116 final boolean printCompilation = GraalOptions.PrintCompilation && !TTY.isSuppressed();
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117 if (printCompilation) {
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118 TTY.println(String.format("%-6d Graal %-70s %-45s %-50s %s...", id, method.getDeclaringClass().getName(), method.getName(), method.getSignature(), entryBCI == StructuredGraph.INVOCATION_ENTRY_BCI ? "" : "(OSR@" + entryBCI + ") "));
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119 }
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120
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121 CompilationResult result = null;
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122 TTY.Filter filter = new TTY.Filter(GraalOptions.PrintFilter, method);
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123 long start = System.currentTimeMillis();
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124 try {
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125 result = Debug.scope("Compiling", new DebugDumpScope(String.valueOf(id), true), new Callable<CompilationResult>() {
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126
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127 @Override
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128 public CompilationResult call() throws Exception {
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129 graalRuntime.evictDeoptedGraphs();
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130 StructuredGraph graph = new StructuredGraph(method, entryBCI);
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131 return graalRuntime.getCompiler().compileMethod(method, graph, graalRuntime.getCache(), plan, optimisticOpts);
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132 }
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133 });
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134 } finally {
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135 filter.remove();
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136 if (printCompilation) {
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137 TTY.println(String.format("%-6d Graal %-70s %-45s %-50s | %4dms %5dB", id, "", "", "", System.currentTimeMillis() - start, (result != null ? result.getTargetCodeSize() : -1)));
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138 }
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139 }
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140
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141 installMethod(result);
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142 } catch (BailoutException bailout) {
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143 Debug.metric("Bailouts").increment();
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144 if (GraalOptions.ExitVMOnBailout) {
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145 TTY.cachedOut.println(MetaUtil.format("Bailout in %H.%n(%p)", method));
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146 bailout.printStackTrace(TTY.cachedOut);
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147 System.exit(-1);
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148 } else if (GraalOptions.PrintBailout) {
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149 TTY.cachedOut.println(MetaUtil.format("Bailout in %H.%n(%p)", method));
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150 bailout.printStackTrace(TTY.cachedOut);
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151 }
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152 } catch (Throwable t) {
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153 if (GraalOptions.ExitVMOnException) {
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154 t.printStackTrace(TTY.cachedOut);
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155 System.exit(-1);
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156 }
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157 }
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158 stats.finish(method);
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159 }
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160
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161 private void installMethod(final CompilationResult tm) {
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162 Debug.scope("CodeInstall", new Object[] {new DebugDumpScope(String.valueOf(id), true), graalRuntime.getCompiler(), method}, new Runnable() {
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163 @Override
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164 public void run() {
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165 final CodeInfo[] info = Debug.isDumpEnabled() ? new CodeInfo[1] : null;
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166 graalRuntime.getRuntime().installMethod(method, entryBCI, tm, info);
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167 if (info != null) {
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168 Debug.dump(new Object[] {tm, info[0]}, "After code installation");
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169 }
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170 }
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171
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172 });
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173 }
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174
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175 @Override
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176 public int compareTo(CompilationTask o) {
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177 if (priority < o.priority) {
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178 return -1;
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179 }
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180 if (priority > o.priority) {
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181 return 1;
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182 }
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183 return id < o.id ? -1 : (id > o.id ? 1 : 0);
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184 }
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185
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186 }