Mercurial > hg > graal-jvmci-8
annotate graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/InliningPhase.java @ 7530:5e3d1a68664e
applied mx eclipseformat to all Java files
author | Doug Simon <doug.simon@oracle.com> |
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date | Wed, 23 Jan 2013 16:34:57 +0100 |
parents | 42b6e0905881 |
children | 7d66682cc901 |
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1 /* |
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2 * Copyright (c) 2011, 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.phases.common; |
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24 |
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25 import java.lang.reflect.*; |
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26 import java.util.*; |
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27 |
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28 import com.oracle.graal.api.code.*; |
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29 import com.oracle.graal.api.meta.*; |
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30 import com.oracle.graal.debug.*; |
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31 import com.oracle.graal.graph.*; |
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32 import com.oracle.graal.nodes.*; |
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33 import com.oracle.graal.nodes.spi.*; |
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34 import com.oracle.graal.phases.*; |
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35 import com.oracle.graal.phases.PhasePlan.*; |
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36 import com.oracle.graal.phases.common.CanonicalizerPhase.CustomCanonicalizer; |
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37 import com.oracle.graal.phases.common.InliningUtil.*; |
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38 |
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39 public class InliningPhase extends Phase implements InliningCallback { |
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40 |
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41 /* |
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42 * - Detect method which only call another method with some parameters set to constants: void |
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43 * foo(a) -> void foo(a, b) -> void foo(a, b, c) ... These should not be taken into account when |
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44 * determining inlining depth. - honor the result of overrideInliningDecision(0, caller, |
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45 * invoke.bci, method, true); |
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46 */ |
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47 |
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48 private final TargetDescription target; |
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49 private final PhasePlan plan; |
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50 |
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51 private final GraalCodeCacheProvider runtime; |
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52 private final Assumptions assumptions; |
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53 private final GraphCache cache; |
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54 private final InliningPolicy inliningPolicy; |
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55 private CustomCanonicalizer customCanonicalizer; |
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56 |
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57 // Metrics |
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58 private static final DebugMetric metricInliningPerformed = Debug.metric("InliningPerformed"); |
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59 private static final DebugMetric metricInliningConsidered = Debug.metric("InliningConsidered"); |
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60 private static final DebugMetric metricInliningStoppedByMaxDesiredSize = Debug.metric("InliningStoppedByMaxDesiredSize"); |
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61 private static final DebugMetric metricInliningRuns = Debug.metric("Runs"); |
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62 |
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63 public InliningPhase(TargetDescription target, GraalCodeCacheProvider runtime, Collection<Invoke> hints, Assumptions assumptions, GraphCache cache, PhasePlan plan, |
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64 OptimisticOptimizations optimisticOpts) { |
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66 } |
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67 |
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68 public void setCustomCanonicalizer(CustomCanonicalizer customCanonicalizer) { |
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69 this.customCanonicalizer = customCanonicalizer; |
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70 } |
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71 |
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72 public InliningPhase(TargetDescription target, GraalCodeCacheProvider runtime, Assumptions assumptions, GraphCache cache, PhasePlan plan, InliningPolicy inliningPolicy) { |
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73 this.target = target; |
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74 this.runtime = runtime; |
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75 this.assumptions = assumptions; |
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76 this.cache = cache; |
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77 this.plan = plan; |
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78 this.inliningPolicy = inliningPolicy; |
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79 } |
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80 |
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81 @Override |
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82 protected void run(final StructuredGraph graph) { |
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83 inliningPolicy.initialize(graph); |
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84 |
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85 while (inliningPolicy.continueInlining(graph)) { |
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86 final InlineInfo candidate = inliningPolicy.next(); |
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87 |
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88 if (candidate != null) { |
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89 boolean isWorthInlining = inliningPolicy.isWorthInlining(candidate); |
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90 |
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91 metricInliningConsidered.increment(); |
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92 if (isWorthInlining) { |
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93 int mark = graph.getMark(); |
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94 try { |
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95 List<Node> invokeUsages = candidate.invoke().node().usages().snapshot(); |
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96 candidate.inline(graph, runtime, this, assumptions); |
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97 Debug.dump(graph, "after %s", candidate); |
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98 Iterable<Node> newNodes = graph.getNewNodes(mark); |
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99 if (GraalOptions.OptCanonicalizer) { |
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100 new CanonicalizerPhase(target, runtime, assumptions, invokeUsages, mark, customCanonicalizer).apply(graph); |
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101 } |
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102 metricInliningPerformed.increment(); |
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103 |
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104 inliningPolicy.scanInvokes(newNodes); |
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105 } catch (BailoutException bailout) { |
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106 // TODO determine if we should really bail out of the whole compilation. |
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107 throw bailout; |
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108 } catch (AssertionError e) { |
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109 throw new GraalInternalError(e).addContext(candidate.toString()); |
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110 } catch (RuntimeException e) { |
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111 throw new GraalInternalError(e).addContext(candidate.toString()); |
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112 } catch (GraalInternalError e) { |
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113 throw e.addContext(candidate.toString()); |
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114 } |
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115 } |
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116 } |
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117 } |
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118 } |
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119 |
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120 @Override |
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121 public StructuredGraph buildGraph(final ResolvedJavaMethod method) { |
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122 metricInliningRuns.increment(); |
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123 if (GraalOptions.CacheGraphs && cache != null) { |
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124 StructuredGraph cachedGraph = cache.get(method); |
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125 if (cachedGraph != null) { |
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126 return cachedGraph; |
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127 } |
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128 } |
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129 StructuredGraph newGraph = new StructuredGraph(method); |
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130 if (plan != null) { |
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131 plan.runPhases(PhasePosition.AFTER_PARSING, newGraph); |
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132 } |
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133 assert newGraph.start().next() != null : "graph needs to be populated during PhasePosition.AFTER_PARSING"; |
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134 |
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135 if (GraalOptions.ProbabilityAnalysis) { |
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136 new DeadCodeEliminationPhase().apply(newGraph); |
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137 new ComputeProbabilityPhase().apply(newGraph); |
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138 } |
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139 if (GraalOptions.OptCanonicalizer) { |
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140 new CanonicalizerPhase(target, runtime, assumptions).apply(newGraph); |
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141 } |
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142 if (GraalOptions.CullFrameStates) { |
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143 new CullFrameStatesPhase().apply(newGraph); |
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144 } |
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145 if (GraalOptions.CacheGraphs && cache != null) { |
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146 cache.put(newGraph); |
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147 } |
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148 return newGraph; |
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149 } |
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150 |
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151 private interface InliningDecision { |
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152 |
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153 boolean isWorthInlining(InlineInfo info); |
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154 } |
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155 |
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156 private abstract static class AbstractInliningDecision implements InliningDecision { |
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157 |
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158 protected static boolean decideSizeBasedInlining(InlineInfo info, double maxSize) { |
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159 assert !Double.isNaN(info.weight()) && !Double.isNaN(maxSize); |
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160 boolean success = info.weight() <= maxSize; |
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161 if (GraalOptions.Debug) { |
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162 String formatterString = success ? "(size %f <= %f)" : "(too large %f > %f)"; |
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163 InliningUtil.logInliningDecision(info, success, formatterString, info.weight(), maxSize); |
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164 } |
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165 return success; |
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166 } |
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167 |
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168 protected static boolean checkCompiledCodeSize(InlineInfo info) { |
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169 if (GraalOptions.SmallCompiledCodeSize >= 0 && info.compiledCodeSize() > GraalOptions.SmallCompiledCodeSize) { |
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170 InliningUtil.logNotInlinedMethod(info, "(CompiledCodeSize %d > %d)", info.compiledCodeSize(), GraalOptions.SmallCompiledCodeSize); |
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171 return false; |
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172 } |
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173 return true; |
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174 } |
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175 |
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176 protected static double getRelevance(Invoke invoke) { |
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177 if (GraalOptions.UseRelevanceBasedInlining) { |
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178 return invoke.inliningRelevance(); |
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179 } else { |
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180 return invoke.probability(); |
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181 } |
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182 } |
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183 } |
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184 |
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185 private static class C1StaticSizeBasedInliningDecision extends AbstractInliningDecision { |
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186 |
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187 @Override |
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188 public boolean isWorthInlining(InlineInfo info) { |
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189 double maxSize = Math.max(GraalOptions.MaximumTrivialSize, Math.pow(GraalOptions.NestedInliningSizeRatio, info.level()) * GraalOptions.MaximumInlineSize); |
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190 return decideSizeBasedInlining(info, maxSize); |
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191 } |
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192 } |
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193 |
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194 private static class MinimumCodeSizeBasedInliningDecision extends AbstractInliningDecision { |
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195 |
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196 @Override |
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197 public boolean isWorthInlining(InlineInfo info) { |
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198 assert GraalOptions.ProbabilityAnalysis; |
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199 if (!checkCompiledCodeSize(info)) { |
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200 return false; |
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201 } |
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202 |
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203 double inlineWeight = Math.min(GraalOptions.RatioCapForInlining, getRelevance(info.invoke())); |
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204 double maxSize = Math.pow(GraalOptions.NestedInliningSizeRatio, info.level()) * GraalOptions.MaximumInlineSize * inlineWeight; |
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205 maxSize = Math.max(GraalOptions.MaximumTrivialSize, maxSize); |
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206 |
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207 return decideSizeBasedInlining(info, maxSize); |
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208 } |
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209 } |
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210 |
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211 private static class DynamicSizeBasedInliningDecision extends AbstractInliningDecision { |
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212 |
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213 @Override |
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214 public boolean isWorthInlining(InlineInfo info) { |
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215 assert GraalOptions.ProbabilityAnalysis; |
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216 if (!checkCompiledCodeSize(info)) { |
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217 return false; |
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218 } |
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219 |
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220 double relevance = getRelevance(info.invoke()); |
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221 double inlineBoost = Math.min(GraalOptions.RatioCapForInlining, relevance) + Math.log10(Math.max(1, relevance - GraalOptions.RatioCapForInlining + 1)); |
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222 double maxSize = Math.pow(GraalOptions.NestedInliningSizeRatio, info.level()) * GraalOptions.MaximumInlineSize; |
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223 maxSize = maxSize + maxSize * inlineBoost; |
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224 maxSize = Math.min(GraalOptions.MaximumGreedyInlineSize, Math.max(GraalOptions.MaximumTrivialSize, maxSize)); |
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225 |
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226 return decideSizeBasedInlining(info, maxSize); |
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227 } |
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228 } |
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229 |
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230 private static class GreedySizeBasedInliningDecision extends AbstractInliningDecision { |
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231 |
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232 @Override |
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233 public boolean isWorthInlining(InlineInfo info) { |
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234 assert GraalOptions.ProbabilityAnalysis; |
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235 if (!checkCompiledCodeSize(info)) { |
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236 return false; |
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237 } |
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238 |
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239 double maxSize = GraalOptions.MaximumGreedyInlineSize; |
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240 if (GraalOptions.InliningBonusPerTransferredValue != 0) { |
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241 Signature signature = info.invoke().methodCallTarget().targetMethod().getSignature(); |
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242 int transferredValues = signature.getParameterCount(!Modifier.isStatic(info.invoke().methodCallTarget().targetMethod().getModifiers())); |
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243 if (signature.getReturnKind() != Kind.Void) { |
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244 transferredValues++; |
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245 } |
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246 maxSize += transferredValues * GraalOptions.InliningBonusPerTransferredValue; |
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247 } |
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248 |
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249 double inlineRatio = Math.min(GraalOptions.RatioCapForInlining, getRelevance(info.invoke())); |
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250 maxSize = Math.pow(GraalOptions.NestedInliningSizeRatio, info.level()) * maxSize * inlineRatio; |
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251 maxSize = Math.max(maxSize, GraalOptions.MaximumTrivialSize); |
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252 |
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253 return decideSizeBasedInlining(info, maxSize); |
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254 } |
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255 } |
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256 |
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257 private static class GreedyMachineCodeInliningDecision extends AbstractInliningDecision { |
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258 |
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259 @Override |
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260 public boolean isWorthInlining(InlineInfo info) { |
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261 assert GraalOptions.ProbabilityAnalysis; |
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262 |
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263 double maxSize = GraalOptions.MaximumGreedyInlineSize; |
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264 double inlineRatio = Math.min(GraalOptions.RatioCapForInlining, getRelevance(info.invoke())); |
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265 maxSize = Math.pow(GraalOptions.NestedInliningSizeRatio, info.level()) * maxSize * inlineRatio; |
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266 maxSize = Math.max(maxSize, GraalOptions.MaximumTrivialSize); |
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267 |
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268 return decideSizeBasedInlining(info, maxSize); |
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269 } |
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270 } |
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271 |
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272 private static class BytecodeSizeBasedWeightComputationPolicy implements WeightComputationPolicy { |
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273 |
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274 @Override |
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275 public double computeWeight(ResolvedJavaMethod caller, ResolvedJavaMethod method, Invoke invoke, boolean preferredInvoke) { |
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276 if (GraalOptions.AlwaysInlineIntrinsics && InliningUtil.canIntrinsify(method)) { |
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277 return 0; |
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278 } |
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279 |
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280 double codeSize = method.getCodeSize(); |
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281 if (preferredInvoke) { |
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282 codeSize = codeSize / GraalOptions.BoostInliningForEscapeAnalysis; |
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283 } |
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284 return codeSize; |
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285 } |
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286 } |
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287 |
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288 private static class ComplexityBasedWeightComputationPolicy implements WeightComputationPolicy { |
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289 |
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290 @Override |
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291 public double computeWeight(ResolvedJavaMethod caller, ResolvedJavaMethod method, Invoke invoke, boolean preferredInvoke) { |
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292 if (GraalOptions.AlwaysInlineIntrinsics && InliningUtil.canIntrinsify(method)) { |
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293 return 0; |
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294 } |
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295 |
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296 double complexity = method.getCompilationComplexity(); |
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297 if (preferredInvoke) { |
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298 complexity = complexity / GraalOptions.BoostInliningForEscapeAnalysis; |
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299 } |
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300 return complexity; |
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301 } |
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302 } |
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303 |
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304 private static class CompiledCodeSizeWeightComputationPolicy implements WeightComputationPolicy { |
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305 |
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306 @Override |
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307 public double computeWeight(ResolvedJavaMethod caller, ResolvedJavaMethod method, Invoke invoke, boolean preferredInvoke) { |
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308 if (GraalOptions.AlwaysInlineIntrinsics && InliningUtil.canIntrinsify(method)) { |
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309 return 0; |
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310 } |
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311 |
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312 int compiledCodeSize = method.getCompiledCodeSize(); |
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313 return compiledCodeSize > 0 ? compiledCodeSize : method.getCodeSize() * 10; |
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314 } |
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315 } |
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316 |
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317 private static class CFInliningPolicy implements InliningPolicy { |
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318 |
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319 private final InliningDecision inliningDecision; |
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320 private final WeightComputationPolicy weightComputationPolicy; |
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321 private final Collection<Invoke> hints; |
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322 private final Assumptions assumptions; |
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323 private final OptimisticOptimizations optimisticOpts; |
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324 private final Deque<Invoke> sortedInvokes; |
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325 private NodeBitMap visitedFixedNodes; |
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326 private FixedNode invokePredecessor; |
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327 |
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328 public CFInliningPolicy(InliningDecision inliningPolicy, WeightComputationPolicy weightComputationPolicy, Collection<Invoke> hints, Assumptions assumptions, |
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329 OptimisticOptimizations optimisticOpts) { |
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330 this.inliningDecision = inliningPolicy; |
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331 this.weightComputationPolicy = weightComputationPolicy; |
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332 this.hints = hints; |
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333 this.assumptions = assumptions; |
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334 this.optimisticOpts = optimisticOpts; |
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335 this.sortedInvokes = new ArrayDeque<>(); |
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336 } |
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337 |
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338 public boolean continueInlining(StructuredGraph graph) { |
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339 if (graph.getNodeCount() >= GraalOptions.MaximumDesiredSize) { |
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340 InliningUtil.logInliningDecision("inlining is cut off by MaximumDesiredSize"); |
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341 metricInliningStoppedByMaxDesiredSize.increment(); |
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342 return false; |
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343 } |
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344 |
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345 return !sortedInvokes.isEmpty(); |
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346 } |
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347 |
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348 public InlineInfo next() { |
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349 Invoke invoke = sortedInvokes.pop(); |
7227 | 350 InlineInfo info = InliningUtil.getInlineInfo(invoke, assumptions, this, optimisticOpts); |
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351 if (info != null) { |
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352 invokePredecessor = (FixedNode) info.invoke().predecessor(); |
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353 assert invokePredecessor.isAlive(); |
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354 } |
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355 return info; |
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356 } |
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357 |
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358 public boolean isWorthInlining(InlineInfo info) { |
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359 return inliningDecision.isWorthInlining(info); |
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360 } |
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361 |
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362 public void initialize(StructuredGraph graph) { |
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363 visitedFixedNodes = graph.createNodeBitMap(true); |
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364 scanGraphForInvokes(graph.start()); |
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365 if (hints != null) { |
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366 sortedInvokes.retainAll(hints); |
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367 } |
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368 } |
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369 |
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370 public void scanInvokes(Iterable<? extends Node> newNodes) { |
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371 scanGraphForInvokes(invokePredecessor); |
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372 } |
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373 |
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374 private void scanGraphForInvokes(FixedNode start) { |
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375 ArrayList<Invoke> invokes = new InliningIterator(start, visitedFixedNodes).apply(); |
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376 |
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377 // insert the newly found invokes in their correct control-flow order |
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378 for (int i = invokes.size() - 1; i >= 0; i--) { |
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379 sortedInvokes.addFirst(invokes.get(i)); |
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380 } |
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381 } |
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382 |
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383 public double inliningWeight(ResolvedJavaMethod caller, ResolvedJavaMethod method, Invoke invoke) { |
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384 boolean preferredInvoke = hints != null && hints.contains(invoke); |
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385 return weightComputationPolicy.computeWeight(caller, method, invoke, preferredInvoke); |
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386 } |
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387 } |
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388 |
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389 private static class PriorityInliningPolicy implements InliningPolicy { |
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390 |
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391 private final InliningDecision inliningDecision; |
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392 private final WeightComputationPolicy weightComputationPolicy; |
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393 private final Collection<Invoke> hints; |
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394 private final Assumptions assumptions; |
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395 private final OptimisticOptimizations optimisticOpts; |
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396 private final PriorityQueue<InlineInfo> sortedCandidates; |
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397 |
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398 public PriorityInliningPolicy(InliningDecision inliningPolicy, WeightComputationPolicy weightComputationPolicy, Collection<Invoke> hints, Assumptions assumptions, |
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399 OptimisticOptimizations optimisticOpts) { |
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400 this.inliningDecision = inliningPolicy; |
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401 this.weightComputationPolicy = weightComputationPolicy; |
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402 this.hints = hints; |
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403 this.assumptions = assumptions; |
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404 this.optimisticOpts = optimisticOpts; |
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405 sortedCandidates = new PriorityQueue<>(); |
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406 } |
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407 |
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408 public boolean continueInlining(StructuredGraph graph) { |
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409 if (graph.getNodeCount() >= GraalOptions.MaximumDesiredSize) { |
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410 InliningUtil.logInliningDecision("inlining is cut off by MaximumDesiredSize"); |
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411 metricInliningStoppedByMaxDesiredSize.increment(); |
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412 return false; |
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413 } |
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414 |
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415 return !sortedCandidates.isEmpty(); |
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416 } |
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417 |
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418 public InlineInfo next() { |
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419 // refresh cached info before using it (it might have been in the queue for a long time) |
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420 InlineInfo info = sortedCandidates.remove(); |
7227 | 421 return InliningUtil.getInlineInfo(info.invoke(), assumptions, this, optimisticOpts); |
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422 } |
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423 |
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424 @Override |
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425 public boolean isWorthInlining(InlineInfo info) { |
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426 return inliningDecision.isWorthInlining(info); |
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427 } |
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428 |
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429 @SuppressWarnings("unchecked") |
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430 public void initialize(StructuredGraph graph) { |
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431 if (hints == null) { |
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432 scanInvokes(graph.getNodes(InvokeNode.class)); |
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433 scanInvokes(graph.getNodes(InvokeWithExceptionNode.class)); |
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434 } else { |
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435 scanInvokes((Iterable<? extends Node>) (Iterable<?>) hints); |
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436 } |
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437 } |
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438 |
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439 public void scanInvokes(Iterable<? extends Node> nodes) { |
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440 for (Node node : nodes) { |
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441 if (node != null) { |
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442 if (node instanceof Invoke) { |
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443 Invoke invoke = (Invoke) node; |
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444 scanInvoke(invoke); |
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445 } |
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446 for (Node usage : node.usages().filterInterface(Invoke.class).snapshot()) { |
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447 scanInvoke((Invoke) usage); |
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448 } |
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449 } |
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450 } |
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451 } |
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452 |
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453 private void scanInvoke(Invoke invoke) { |
7227 | 454 InlineInfo info = InliningUtil.getInlineInfo(invoke, assumptions, this, optimisticOpts); |
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455 if (info != null) { |
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456 sortedCandidates.add(info); |
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457 } |
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458 } |
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459 |
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460 @Override |
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461 public double inliningWeight(ResolvedJavaMethod caller, ResolvedJavaMethod method, Invoke invoke) { |
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462 boolean preferredInvoke = hints != null && hints.contains(invoke); |
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463 return weightComputationPolicy.computeWeight(caller, method, invoke, preferredInvoke); |
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464 } |
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465 } |
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466 |
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467 private static class InliningIterator { |
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468 |
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469 private final FixedNode start; |
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470 private final NodeBitMap processedNodes; |
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471 |
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472 private final Deque<FixedNode> nodeQueue; |
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473 private final NodeBitMap queuedNodes; |
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474 |
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475 public InliningIterator(FixedNode start, NodeBitMap visitedFixedNodes) { |
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476 this.start = start; |
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477 this.processedNodes = visitedFixedNodes; |
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478 |
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479 this.nodeQueue = new ArrayDeque<>(); |
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480 this.queuedNodes = visitedFixedNodes.copy(); |
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481 |
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482 assert start.isAlive(); |
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483 } |
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484 |
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485 public ArrayList<Invoke> apply() { |
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486 ArrayList<Invoke> invokes = new ArrayList<>(); |
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487 FixedNode current = start; |
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488 do { |
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489 assert current.isAlive(); |
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490 processedNodes.mark(current); |
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491 |
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492 if (current instanceof InvokeWithExceptionNode || current instanceof InvokeNode) { |
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493 invokes.add((Invoke) current); |
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494 queueSuccessors(current); |
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495 current = nextQueuedNode(); |
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496 } else if (current instanceof LoopBeginNode) { |
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497 current = ((LoopBeginNode) current).next(); |
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498 assert current != null; |
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499 } else if (current instanceof LoopEndNode) { |
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500 current = nextQueuedNode(); |
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501 } else if (current instanceof MergeNode) { |
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502 current = ((MergeNode) current).next(); |
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503 assert current != null; |
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504 } else if (current instanceof FixedWithNextNode) { |
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505 queueSuccessors(current); |
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506 current = nextQueuedNode(); |
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507 } else if (current instanceof EndNode) { |
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508 queueMerge((EndNode) current); |
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509 current = nextQueuedNode(); |
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510 } else if (current instanceof DeoptimizeNode) { |
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511 current = nextQueuedNode(); |
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512 } else if (current instanceof ReturnNode) { |
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513 current = nextQueuedNode(); |
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514 } else if (current instanceof UnwindNode) { |
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515 current = nextQueuedNode(); |
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516 } else if (current instanceof ControlSplitNode) { |
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517 queueSuccessors(current); |
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518 current = nextQueuedNode(); |
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519 } else { |
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520 assert false : current; |
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521 } |
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522 } while (current != null); |
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523 |
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524 return invokes; |
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525 } |
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526 |
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527 private void queueSuccessors(FixedNode x) { |
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528 for (Node node : x.successors()) { |
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529 if (node != null && !queuedNodes.isMarked(node)) { |
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530 queuedNodes.mark(node); |
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531 nodeQueue.addFirst((FixedNode) node); |
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532 } |
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533 } |
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534 } |
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535 |
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536 private FixedNode nextQueuedNode() { |
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537 if (nodeQueue.isEmpty()) { |
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538 return null; |
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539 } |
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540 |
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541 FixedNode result = nodeQueue.removeFirst(); |
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542 assert queuedNodes.isMarked(result); |
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543 return result; |
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544 } |
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545 |
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546 private void queueMerge(EndNode end) { |
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547 MergeNode merge = end.merge(); |
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548 if (!queuedNodes.isMarked(merge) && visitedAllEnds(merge)) { |
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549 queuedNodes.mark(merge); |
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550 nodeQueue.add(merge); |
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551 } |
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552 } |
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553 |
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554 private boolean visitedAllEnds(MergeNode merge) { |
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555 for (int i = 0; i < merge.forwardEndCount(); i++) { |
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556 if (!processedNodes.isMarked(merge.forwardEndAt(i))) { |
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557 return false; |
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558 } |
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559 } |
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560 return true; |
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561 } |
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562 } |
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563 |
7227 | 564 private static InliningPolicy createInliningPolicy(Assumptions assumptions, OptimisticOptimizations optimisticOpts, Collection<Invoke> hints) { |
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565 switch (GraalOptions.InliningPolicy) { |
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566 case 0: |
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567 return new CFInliningPolicy(createInliningDecision(), createWeightComputationPolicy(), hints, assumptions, optimisticOpts); |
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568 case 1: |
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569 return new PriorityInliningPolicy(createInliningDecision(), createWeightComputationPolicy(), hints, assumptions, optimisticOpts); |
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570 default: |
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571 GraalInternalError.shouldNotReachHere(); |
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572 return null; |
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573 } |
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574 } |
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575 |
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576 private static InliningDecision createInliningDecision() { |
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577 switch (GraalOptions.InliningDecision) { |
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578 case 1: |
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579 return new C1StaticSizeBasedInliningDecision(); |
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580 case 2: |
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581 return new MinimumCodeSizeBasedInliningDecision(); |
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582 case 3: |
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583 return new DynamicSizeBasedInliningDecision(); |
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584 case 4: |
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585 return new GreedySizeBasedInliningDecision(); |
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586 case 5: |
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587 return new GreedyMachineCodeInliningDecision(); |
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588 default: |
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589 GraalInternalError.shouldNotReachHere(); |
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590 return null; |
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591 } |
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592 } |
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593 |
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594 private static WeightComputationPolicy createWeightComputationPolicy() { |
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595 switch (GraalOptions.WeightComputationPolicy) { |
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596 case 0: |
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597 throw new GraalInternalError("removed because of invokation counter changes"); |
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598 case 1: |
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599 return new BytecodeSizeBasedWeightComputationPolicy(); |
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600 case 2: |
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601 return new ComplexityBasedWeightComputationPolicy(); |
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602 case 3: |
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603 return new CompiledCodeSizeWeightComputationPolicy(); |
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604 default: |
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605 GraalInternalError.shouldNotReachHere(); |
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606 return null; |
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607 } |
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changeset
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608 } |
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609 } |