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annotate graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/phases/InliningPhase.java @ 5316:8ac40aed34bf

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Consistent output of inlining decisions. Make all inlining decisions be printable using -G:Log=InliningDecisions
author Christian Wimmer <Christian.Wimmer@Oracle.com>
date Fri, 27 Apr 2012 12:04:28 -0700
parents 0ebd9cfdc11f
children a250ca83684e
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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.compiler.phases;
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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 import java.util.concurrent.*;
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29 import com.oracle.graal.compiler.*;
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30 import com.oracle.graal.compiler.phases.PhasePlan.PhasePosition;
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31 import com.oracle.graal.compiler.util.*;
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32 import com.oracle.graal.compiler.util.InliningUtil.InlineInfo;
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33 import com.oracle.graal.compiler.util.InliningUtil.InliningCallback;
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34 import com.oracle.graal.cri.*;
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35 import com.oracle.graal.debug.*;
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36 import com.oracle.graal.debug.internal.*;
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37 import com.oracle.graal.graph.*;
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38 import com.oracle.graal.nodes.*;
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39 import com.oracle.max.cri.ci.*;
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40 import com.oracle.max.cri.ri.*;
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41
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42
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43 public class InliningPhase extends Phase implements InliningCallback {
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44 /*
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45 * - Detect method which only call another method with some parameters set to constants: void foo(a) -> void foo(a, b) -> void foo(a, b, c) ...
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46 * These should not be taken into account when determining inlining depth.
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47 * - honor the result of overrideInliningDecision(0, caller, invoke.bci, method, true);
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48 */
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49
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50 private final CiTarget target;
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51 private final GraalRuntime runtime;
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52
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53 private final Collection<? extends Invoke> hints;
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54
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55 private final PriorityQueue<InlineInfo> inlineCandidates = new PriorityQueue<>();
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56 private CiAssumptions assumptions;
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57
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58 private final PhasePlan plan;
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59 private final RiGraphCache cache;
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60 private final WeightComputationPolicy weightComputationPolicy;
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61 private final InliningPolicy inliningPolicy;
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62 private final OptimisticOptimizations optimisticOpts;
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63
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64 // Metrics
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65 private static final DebugMetric metricInliningPerformed = Debug.metric("InliningPerformed");
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66 private static final DebugMetric metricInliningConsidered = Debug.metric("InliningConsidered");
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67 private static final DebugMetric metricInliningStoppedByMaxDesiredSize = Debug.metric("InliningStoppedByMaxDesiredSize");
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68
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69 public InliningPhase(CiTarget target, GraalRuntime runtime, Collection<? extends Invoke> hints, CiAssumptions assumptions, RiGraphCache cache, PhasePlan plan, OptimisticOptimizations optimisticOpts) {
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70 this.target = target;
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71 this.runtime = runtime;
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72 this.hints = hints;
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73 this.assumptions = assumptions;
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74 this.cache = cache;
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75 this.plan = plan;
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76 this.optimisticOpts = optimisticOpts;
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77 this.weightComputationPolicy = createWeightComputationPolicy();
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78 this.inliningPolicy = createInliningPolicy();
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79 }
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80
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81 @SuppressWarnings("unchecked")
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82 @Override
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83 protected void run(final StructuredGraph graph) {
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84 graph.createNodeMap();
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85
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86 if (hints != null) {
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87 scanInvokes((Iterable<? extends Node>) Util.uncheckedCast(this.hints), -1, graph);
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88 } else {
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89 scanInvokes(graph.getNodes(InvokeNode.class), 0, graph);
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90 scanInvokes(graph.getNodes(InvokeWithExceptionNode.class), 0, graph);
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91 }
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92
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93 while (!inlineCandidates.isEmpty() && graph.getNodeCount() < GraalOptions.MaximumDesiredSize) {
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94 final InlineInfo info = inlineCandidates.remove();
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95
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96 boolean inline = Debug.scope("InliningDecisions", new Callable<Boolean>() {
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97 @Override
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98 public Boolean call() throws Exception {
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99 return info.invoke.node().isAlive() && inliningPolicy.isWorthInlining(graph, info);
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100 }
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101 });
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102
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103 if (inline) {
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104 Iterable<Node> newNodes = null;
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105 try {
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106 info.inline(graph, runtime, this);
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107 Debug.dump(graph, "after %s", info);
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108 // get the new nodes here, the canonicalizer phase will reset the mark
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109 newNodes = graph.getNewNodes();
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110 if (GraalOptions.OptCanonicalizer) {
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111 new CanonicalizerPhase(target, runtime, true, assumptions).apply(graph);
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112 }
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113 // if (GraalOptions.Intrinsify) {
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114 // new IntrinsificationPhase(runtime).apply(graph);
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115 // }
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116 metricInliningPerformed.increment();
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117 } catch (CiBailout bailout) {
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118 // TODO determine if we should really bail out of the whole compilation.
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119 throw bailout;
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120 } catch (AssertionError e) {
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121 throw new GraalInternalError(e).addContext(info.toString());
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122 } catch (RuntimeException e) {
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123 throw new GraalInternalError(e).addContext(info.toString());
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124 } catch (GraalInternalError e) {
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125 throw e.addContext(info.toString());
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126 }
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127
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128 if (newNodes != null && info.level < GraalOptions.MaximumInlineLevel) {
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129 scanInvokes(newNodes, info.level + 1, graph);
87a12a816e99 added C1 inlining policy for comparison, bugfixes
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130 }
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131 }
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132 }
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diff changeset
133
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diff changeset
134 if (GraalOptions.Debug && graph.getNodeCount() >= GraalOptions.MaximumDesiredSize) {
5316
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diff changeset
135 Debug.scope("InliningDecisions", new Runnable() {
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diff changeset
136 public void run() {
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diff changeset
137 for (InlineInfo info : inlineCandidates) {
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diff changeset
138 Debug.log("not inlining %s because inlining cut off by MaximumDesiredSize", InliningUtil.methodName(info));
8ac40aed34bf Consistent output of inlining decisions. Make all inlining decisions be printable using -G:Log=InliningDecisions
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139 }
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140 }
8ac40aed34bf Consistent output of inlining decisions. Make all inlining decisions be printable using -G:Log=InliningDecisions
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diff changeset
141 });
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142
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diff changeset
143 metricInliningStoppedByMaxDesiredSize.increment();
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144 }
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145 }
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146
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147 private void scanInvokes(final Iterable<? extends Node> newNodes, final int level, final StructuredGraph graph) {
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diff changeset
148 Debug.scope("InliningDecisions", new Runnable() {
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diff changeset
149 public void run() {
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diff changeset
150 graph.mark();
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diff changeset
151 for (Node node : newNodes) {
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diff changeset
152 if (node != null) {
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diff changeset
153 if (node instanceof Invoke) {
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diff changeset
154 Invoke invoke = (Invoke) node;
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diff changeset
155 scanInvoke(invoke, level);
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156 }
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diff changeset
157 for (Node usage : node.usages().filterInterface(Invoke.class).snapshot()) {
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diff changeset
158 scanInvoke((Invoke) usage, level);
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diff changeset
159 }
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160 }
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161 }
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162 }
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diff changeset
163 });
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164 }
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165
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diff changeset
166 private void scanInvoke(Invoke invoke, int level) {
5114
dad1ac9dba7d finished first implementation of disabling runtime feedback selectively based on deoptimization history
Christian Haeubl <christian.haeubl@oracle.com>
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diff changeset
167 InlineInfo info = InliningUtil.getInlineInfo(invoke, level >= 0 ? level : computeInliningLevel(invoke), runtime, assumptions, this, optimisticOpts);
3733
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diff changeset
168 if (info != null) {
4564
8fc6920e064b avoid recursive inlining, escape analysis does no longer restart inlining with level 0, bugfixes
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diff changeset
169 assert level == -1 || computeInliningLevel(invoke) == level : "outer FramesStates must match inlining level";
4348
d49c90e641cb Remove GraalMetrics, replace with new syntax for metrics.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff changeset
170 metricInliningConsidered.increment();
3733
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diff changeset
171 inlineCandidates.add(info);
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172 }
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173 }
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diff changeset
174
4142
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diff changeset
175 public static final Map<RiMethod, Integer> parsedMethods = new HashMap<>();
3733
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176
5177
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diff changeset
177
a26b6248d398 added graph caching (-G:+CacheGraphs)
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diff changeset
178
a26b6248d398 added graph caching (-G:+CacheGraphs)
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parents: 5114
diff changeset
179 private static final DebugMetric metricInliningRuns = Debug.metric("Runs");
a26b6248d398 added graph caching (-G:+CacheGraphs)
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diff changeset
180
3733
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diff changeset
181 @Override
5177
a26b6248d398 added graph caching (-G:+CacheGraphs)
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diff changeset
182 public StructuredGraph buildGraph(final RiResolvedMethod method) {
a26b6248d398 added graph caching (-G:+CacheGraphs)
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diff changeset
183 final StructuredGraph newGraph = new StructuredGraph(method);
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184
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diff changeset
185 return Debug.scope("buildInlineGraph", this, new Callable<StructuredGraph>() {
3733
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186
5177
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diff changeset
187 public StructuredGraph call() {
a26b6248d398 added graph caching (-G:+CacheGraphs)
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diff changeset
188 metricInliningRuns.increment();
a26b6248d398 added graph caching (-G:+CacheGraphs)
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diff changeset
189 if (GraalOptions.CacheGraphs && cache != null) {
a26b6248d398 added graph caching (-G:+CacheGraphs)
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diff changeset
190 StructuredGraph cachedGraph = cache.get(method);
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diff changeset
191 if (cachedGraph != null) {
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diff changeset
192 return cachedGraph;
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193 }
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diff changeset
194 }
a26b6248d398 added graph caching (-G:+CacheGraphs)
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diff changeset
195
3733
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196
5177
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diff changeset
197 if (plan != null) {
a26b6248d398 added graph caching (-G:+CacheGraphs)
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diff changeset
198 plan.runPhases(PhasePosition.AFTER_PARSING, newGraph);
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diff changeset
199 }
a26b6248d398 added graph caching (-G:+CacheGraphs)
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diff changeset
200 assert newGraph.start().next() != null : "graph needs to be populated during PhasePosition.AFTER_PARSING";
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diff changeset
201
a26b6248d398 added graph caching (-G:+CacheGraphs)
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diff changeset
202 if (GraalOptions.ProbabilityAnalysis) {
a26b6248d398 added graph caching (-G:+CacheGraphs)
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diff changeset
203 new DeadCodeEliminationPhase().apply(newGraph);
a26b6248d398 added graph caching (-G:+CacheGraphs)
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diff changeset
204 new ComputeProbabilityPhase().apply(newGraph);
a26b6248d398 added graph caching (-G:+CacheGraphs)
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diff changeset
205 }
a26b6248d398 added graph caching (-G:+CacheGraphs)
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diff changeset
206 if (GraalOptions.OptCanonicalizer) {
a26b6248d398 added graph caching (-G:+CacheGraphs)
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diff changeset
207 new CanonicalizerPhase(target, runtime, assumptions).apply(newGraph);
a26b6248d398 added graph caching (-G:+CacheGraphs)
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diff changeset
208 }
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diff changeset
209 if (GraalOptions.Intrinsify) {
a26b6248d398 added graph caching (-G:+CacheGraphs)
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diff changeset
210 new IntrinsificationPhase(runtime).apply(newGraph);
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diff changeset
211 }
a26b6248d398 added graph caching (-G:+CacheGraphs)
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diff changeset
212 if (GraalOptions.CacheGraphs && cache != null) {
a26b6248d398 added graph caching (-G:+CacheGraphs)
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parents: 5114
diff changeset
213 cache.put(newGraph);
a26b6248d398 added graph caching (-G:+CacheGraphs)
Lukas Stadler <lukas.stadler@jku.at>
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diff changeset
214 }
a26b6248d398 added graph caching (-G:+CacheGraphs)
Lukas Stadler <lukas.stadler@jku.at>
parents: 5114
diff changeset
215 return newGraph;
a26b6248d398 added graph caching (-G:+CacheGraphs)
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diff changeset
216 }
a26b6248d398 added graph caching (-G:+CacheGraphs)
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parents: 5114
diff changeset
217 });
3733
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diff changeset
218 }
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219
e233f5660da4 Added Java files from Maxine project.
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diff changeset
220 @Override
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diff changeset
221 public double inliningWeight(RiResolvedMethod caller, RiResolvedMethod method, Invoke invoke) {
4468
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 4461
diff changeset
222 boolean preferred = hints != null && hints.contains(invoke);
4594
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
223 return weightComputationPolicy.computeWeight(caller, method, invoke, preferred);
3733
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224 }
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225
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diff changeset
226 public static int graphComplexity(StructuredGraph graph) {
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diff changeset
227 int result = 0;
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parents:
diff changeset
228 for (Node node : graph.getNodes()) {
e233f5660da4 Added Java files from Maxine project.
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parents:
diff changeset
229 if (node instanceof ConstantNode || node instanceof LocalNode || node instanceof BeginNode || node instanceof ReturnNode || node instanceof UnwindNode) {
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parents:
diff changeset
230 result += 0;
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parents:
diff changeset
231 } else if (node instanceof PhiNode) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
232 result += 5;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
233 } else if (node instanceof MergeNode || node instanceof Invoke || node instanceof LoopEndNode || node instanceof EndNode) {
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parents:
diff changeset
234 result += 0;
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parents:
diff changeset
235 } else if (node instanceof ControlSplitNode) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
236 result += ((ControlSplitNode) node).blockSuccessorCount();
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parents:
diff changeset
237 } else {
e233f5660da4 Added Java files from Maxine project.
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parents:
diff changeset
238 result += 1;
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parents:
diff changeset
239 }
e233f5660da4 Added Java files from Maxine project.
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parents:
diff changeset
240 }
e233f5660da4 Added Java files from Maxine project.
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parents:
diff changeset
241 return Math.max(1, result);
e233f5660da4 Added Java files from Maxine project.
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parents:
diff changeset
242 }
e233f5660da4 Added Java files from Maxine project.
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parents:
diff changeset
243
e233f5660da4 Added Java files from Maxine project.
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parents:
diff changeset
244
e233f5660da4 Added Java files from Maxine project.
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parents:
diff changeset
245 @Override
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diff changeset
246 public void recordConcreteMethodAssumption(RiResolvedMethod method, RiResolvedType context, RiResolvedMethod impl) {
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diff changeset
247 assumptions.recordConcreteMethod(method, context, impl);
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parents:
diff changeset
248 }
e233f5660da4 Added Java files from Maxine project.
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diff changeset
249
4670
41034914e2ee add MethodContents assumption to fix debbugging issue
Lukas Stadler <lukas.stadler@jku.at>
parents: 4598
diff changeset
250 @Override
41034914e2ee add MethodContents assumption to fix debbugging issue
Lukas Stadler <lukas.stadler@jku.at>
parents: 4598
diff changeset
251 public void recordMethodContentsAssumption(RiResolvedMethod method) {
4672
7167f487cc31 fix NPE in tests caused by recordMethodContents
Lukas Stadler <lukas.stadler@jku.at>
parents: 4670
diff changeset
252 if (assumptions != null) {
7167f487cc31 fix NPE in tests caused by recordMethodContents
Lukas Stadler <lukas.stadler@jku.at>
parents: 4670
diff changeset
253 assumptions.recordMethodContents(method);
7167f487cc31 fix NPE in tests caused by recordMethodContents
Lukas Stadler <lukas.stadler@jku.at>
parents: 4670
diff changeset
254 }
4670
41034914e2ee add MethodContents assumption to fix debbugging issue
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parents: 4598
diff changeset
255 }
41034914e2ee add MethodContents assumption to fix debbugging issue
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parents: 4598
diff changeset
256
4564
8fc6920e064b avoid recursive inlining, escape analysis does no longer restart inlining with level 0, bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4531
diff changeset
257 private static int computeInliningLevel(Invoke invoke) {
8fc6920e064b avoid recursive inlining, escape analysis does no longer restart inlining with level 0, bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4531
diff changeset
258 int count = 0;
8fc6920e064b avoid recursive inlining, escape analysis does no longer restart inlining with level 0, bugfixes
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parents: 4531
diff changeset
259 FrameState curState = invoke.stateAfter();
8fc6920e064b avoid recursive inlining, escape analysis does no longer restart inlining with level 0, bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4531
diff changeset
260 while (curState != null) {
8fc6920e064b avoid recursive inlining, escape analysis does no longer restart inlining with level 0, bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4531
diff changeset
261 count++;
8fc6920e064b avoid recursive inlining, escape analysis does no longer restart inlining with level 0, bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4531
diff changeset
262 curState = curState.outerFrameState();
8fc6920e064b avoid recursive inlining, escape analysis does no longer restart inlining with level 0, bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4531
diff changeset
263 }
8fc6920e064b avoid recursive inlining, escape analysis does no longer restart inlining with level 0, bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4531
diff changeset
264 return count - 1;
8fc6920e064b avoid recursive inlining, escape analysis does no longer restart inlining with level 0, bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4531
diff changeset
265 }
8fc6920e064b avoid recursive inlining, escape analysis does no longer restart inlining with level 0, bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4531
diff changeset
266
4594
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
267 private static InliningPolicy createInliningPolicy() {
4569
333ce00358f4 added another inlining policy, added option to disable propagation of loop frequencies
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4564
diff changeset
268 switch(GraalOptions.InliningPolicy) {
333ce00358f4 added another inlining policy, added option to disable propagation of loop frequencies
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4564
diff changeset
269 case 0: return new WeightBasedInliningPolicy();
333ce00358f4 added another inlining policy, added option to disable propagation of loop frequencies
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4564
diff changeset
270 case 1: return new C1StaticSizeBasedInliningPolicy();
333ce00358f4 added another inlining policy, added option to disable propagation of loop frequencies
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4564
diff changeset
271 case 2: return new MinimumCodeSizeBasedInliningPolicy();
333ce00358f4 added another inlining policy, added option to disable propagation of loop frequencies
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4564
diff changeset
272 case 3: return new DynamicSizeBasedInliningPolicy();
333ce00358f4 added another inlining policy, added option to disable propagation of loop frequencies
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parents: 4564
diff changeset
273 case 4: return new GreedySizeBasedInliningPolicy();
333ce00358f4 added another inlining policy, added option to disable propagation of loop frequencies
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4564
diff changeset
274 default:
333ce00358f4 added another inlining policy, added option to disable propagation of loop frequencies
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4564
diff changeset
275 GraalInternalError.shouldNotReachHere();
333ce00358f4 added another inlining policy, added option to disable propagation of loop frequencies
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parents: 4564
diff changeset
276 return null;
4468
87a12a816e99 added C1 inlining policy for comparison, bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4461
diff changeset
277 }
87a12a816e99 added C1 inlining policy for comparison, bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4461
diff changeset
278 }
87a12a816e99 added C1 inlining policy for comparison, bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4461
diff changeset
279
5177
a26b6248d398 added graph caching (-G:+CacheGraphs)
Lukas Stadler <lukas.stadler@jku.at>
parents: 5114
diff changeset
280 private static WeightComputationPolicy createWeightComputationPolicy() {
4594
eb6df44a1374 bugfixes, added bytecode complexity estimation
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parents: 4591
diff changeset
281 switch(GraalOptions.WeightComputationPolicy) {
5177
a26b6248d398 added graph caching (-G:+CacheGraphs)
Lukas Stadler <lukas.stadler@jku.at>
parents: 5114
diff changeset
282 case 0: throw new GraalInternalError("removed because of invokation counter changes");
4594
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parents: 4591
diff changeset
283 case 1: return new BytecodeSizeBasedWeightComputationPolicy();
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
284 case 2: return new ComplexityBasedWeightComputationPolicy();
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
285 default:
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
286 GraalInternalError.shouldNotReachHere();
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
287 return null;
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
288 }
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
289 }
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
290
4468
87a12a816e99 added C1 inlining policy for comparison, bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4461
diff changeset
291 private interface InliningPolicy {
87a12a816e99 added C1 inlining policy for comparison, bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4461
diff changeset
292 boolean isWorthInlining(StructuredGraph callerGraph, InlineInfo info);
87a12a816e99 added C1 inlining policy for comparison, bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4461
diff changeset
293 }
87a12a816e99 added C1 inlining policy for comparison, bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4461
diff changeset
294
4594
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parents: 4591
diff changeset
295 private static class WeightBasedInliningPolicy implements InliningPolicy {
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
296 @Override
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
297 public boolean isWorthInlining(StructuredGraph callerGraph, InlineInfo info) {
5040
4d6e5ddf70e5 added option to print the profiling information
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5021
diff changeset
298 if (!checkCompiledCodeSize(info)) {
4594
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
299 return false;
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
300 }
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
301
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
302 double penalty = Math.pow(GraalOptions.InliningSizePenaltyExp, callerGraph.getNodeCount() / (double) GraalOptions.MaximumDesiredSize) / GraalOptions.InliningSizePenaltyExp;
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
303 if (info.weight > GraalOptions.MaximumInlineWeight / (1 + penalty * GraalOptions.InliningSizePenalty)) {
5316
8ac40aed34bf Consistent output of inlining decisions. Make all inlining decisions be printable using -G:Log=InliningDecisions
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 5299
diff changeset
304 Debug.log("not inlining %s (cut off by weight %e)", InliningUtil.methodName(info), info.weight);
4594
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
305 return false;
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
306 }
5005
c2ebd3d559f7 fixed probabilities when polymorphic inlining is used
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4993
diff changeset
307
5316
8ac40aed34bf Consistent output of inlining decisions. Make all inlining decisions be printable using -G:Log=InliningDecisions
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 5299
diff changeset
308 Debug.log("inlining %s (weight %f): %s", InliningUtil.methodName(info), info.weight);
4594
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
309 return true;
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
310 }
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
311 }
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
312
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
313 private static class C1StaticSizeBasedInliningPolicy implements InliningPolicy {
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
314 @Override
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
315 public boolean isWorthInlining(StructuredGraph callerGraph, InlineInfo info) {
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
316 double maxSize = Math.max(GraalOptions.MaximumTrivialSize, Math.pow(GraalOptions.NestedInliningSizeRatio, info.level) * GraalOptions.MaximumInlineSize);
5040
4d6e5ddf70e5 added option to print the profiling information
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5021
diff changeset
317 return decideSizeBasedInlining(info, maxSize);
4594
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
318 }
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
319 }
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
320
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
321 private static class MinimumCodeSizeBasedInliningPolicy implements InliningPolicy {
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
322 @Override
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
323 public boolean isWorthInlining(StructuredGraph callerGraph, InlineInfo info) {
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
324 assert GraalOptions.ProbabilityAnalysis;
5040
4d6e5ddf70e5 added option to print the profiling information
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5021
diff changeset
325 if (!checkCompiledCodeSize(info)) {
4594
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
326 return false;
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
327 }
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
328
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
329 double inlineWeight = Math.min(GraalOptions.ProbabilityCapForInlining, info.invoke.probability());
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
330 double maxSize = Math.pow(GraalOptions.NestedInliningSizeRatio, info.level) * GraalOptions.MaximumInlineSize * inlineWeight;
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
331 maxSize = Math.max(GraalOptions.MaximumTrivialSize, maxSize);
5005
c2ebd3d559f7 fixed probabilities when polymorphic inlining is used
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4993
diff changeset
332
5040
4d6e5ddf70e5 added option to print the profiling information
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5021
diff changeset
333 return decideSizeBasedInlining(info, maxSize);
4594
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
334 }
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
335 }
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
336
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
337 private static class DynamicSizeBasedInliningPolicy implements InliningPolicy {
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
338 @Override
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
339 public boolean isWorthInlining(StructuredGraph callerGraph, InlineInfo info) {
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
340 assert GraalOptions.ProbabilityAnalysis;
5040
4d6e5ddf70e5 added option to print the profiling information
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5021
diff changeset
341 if (!checkCompiledCodeSize(info)) {
4594
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
342 return false;
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
343 }
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
344
4598
6a44a26ed9e6 set default inlining policy to the greedy one
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4594
diff changeset
345 double inlineBoost = Math.min(GraalOptions.ProbabilityCapForInlining, info.invoke.probability()) + Math.log10(Math.max(1, info.invoke.probability() - GraalOptions.ProbabilityCapForInlining + 1));
4594
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
346 double maxSize = Math.pow(GraalOptions.NestedInliningSizeRatio, info.level) * GraalOptions.MaximumInlineSize;
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
347 maxSize = maxSize + maxSize * inlineBoost;
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
348 maxSize = Math.min(GraalOptions.MaximumGreedyInlineSize, Math.max(GraalOptions.MaximumTrivialSize, maxSize));
5005
c2ebd3d559f7 fixed probabilities when polymorphic inlining is used
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4993
diff changeset
349
5040
4d6e5ddf70e5 added option to print the profiling information
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5021
diff changeset
350 return decideSizeBasedInlining(info, maxSize);
4594
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
351 }
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
352 }
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
353
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
354 private static class GreedySizeBasedInliningPolicy implements InliningPolicy {
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
355 @Override
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
356 public boolean isWorthInlining(StructuredGraph callerGraph, InlineInfo info) {
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
357 assert GraalOptions.ProbabilityAnalysis;
5040
4d6e5ddf70e5 added option to print the profiling information
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5021
diff changeset
358 if (!checkCompiledCodeSize(info)) {
4594
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
359 return false;
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
360 }
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
361
5021
a7c079d5dc87 try to reduce MaximumGreedyInlineSize significantly
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5019
diff changeset
362 double maxSize = GraalOptions.MaximumGreedyInlineSize;
a7c079d5dc87 try to reduce MaximumGreedyInlineSize significantly
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5019
diff changeset
363 if (GraalOptions.InliningBonusPerTransferredValue != 0) {
a7c079d5dc87 try to reduce MaximumGreedyInlineSize significantly
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5019
diff changeset
364 RiSignature signature = info.invoke.callTarget().targetMethod().signature();
5177
a26b6248d398 added graph caching (-G:+CacheGraphs)
Lukas Stadler <lukas.stadler@jku.at>
parents: 5114
diff changeset
365 int transferredValues = signature.argumentCount(!Modifier.isStatic(info.invoke.callTarget().targetMethod().accessFlags()));
5021
a7c079d5dc87 try to reduce MaximumGreedyInlineSize significantly
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5019
diff changeset
366 if (signature.returnKind(false) != CiKind.Void) {
a7c079d5dc87 try to reduce MaximumGreedyInlineSize significantly
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5019
diff changeset
367 transferredValues++;
a7c079d5dc87 try to reduce MaximumGreedyInlineSize significantly
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5019
diff changeset
368 }
a7c079d5dc87 try to reduce MaximumGreedyInlineSize significantly
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5019
diff changeset
369 maxSize += transferredValues * GraalOptions.InliningBonusPerTransferredValue;
a7c079d5dc87 try to reduce MaximumGreedyInlineSize significantly
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5019
diff changeset
370 }
a7c079d5dc87 try to reduce MaximumGreedyInlineSize significantly
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5019
diff changeset
371
4594
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
372 double inlineRatio = Math.min(GraalOptions.ProbabilityCapForInlining, info.invoke.probability());
5021
a7c079d5dc87 try to reduce MaximumGreedyInlineSize significantly
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5019
diff changeset
373 maxSize = Math.pow(GraalOptions.NestedInliningSizeRatio, info.level) * maxSize * inlineRatio;
4699
83e7065e9c75 adjust inlining policy's maximum trivial size
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4672
diff changeset
374 maxSize = Math.max(maxSize, GraalOptions.MaximumTrivialSize);
5005
c2ebd3d559f7 fixed probabilities when polymorphic inlining is used
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4993
diff changeset
375
5040
4d6e5ddf70e5 added option to print the profiling information
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5021
diff changeset
376 return decideSizeBasedInlining(info, maxSize);
4594
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
377 }
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
378 }
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
379
5040
4d6e5ddf70e5 added option to print the profiling information
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5021
diff changeset
380 private static boolean decideSizeBasedInlining(InlineInfo info, double maxSize) {
4d6e5ddf70e5 added option to print the profiling information
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5021
diff changeset
381 boolean success = info.weight <= maxSize;
4d6e5ddf70e5 added option to print the profiling information
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5021
diff changeset
382 if (DebugScope.getInstance().isLogEnabled()) {
5316
8ac40aed34bf Consistent output of inlining decisions. Make all inlining decisions be printable using -G:Log=InliningDecisions
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 5299
diff changeset
383 String formatterString = success ? "inlining %s (size %f <= %f)" : "not inlining %s (too large %f > %f)";
8ac40aed34bf Consistent output of inlining decisions. Make all inlining decisions be printable using -G:Log=InliningDecisions
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 5299
diff changeset
384 Debug.log(formatterString, InliningUtil.methodName(info), info.weight, maxSize);
5040
4d6e5ddf70e5 added option to print the profiling information
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5021
diff changeset
385 }
4d6e5ddf70e5 added option to print the profiling information
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5021
diff changeset
386 return success;
4d6e5ddf70e5 added option to print the profiling information
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5021
diff changeset
387 }
4d6e5ddf70e5 added option to print the profiling information
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5021
diff changeset
388
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 5021
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389 private static boolean checkCompiledCodeSize(InlineInfo info) {
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 5021
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390 if (GraalOptions.SmallCompiledCodeSize >= 0 && info.compiledCodeSize() > GraalOptions.SmallCompiledCodeSize) {
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8ac40aed34bf Consistent output of inlining decisions. Make all inlining decisions be printable using -G:Log=InliningDecisions
Christian Wimmer <Christian.Wimmer@Oracle.com>
parents: 5299
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391 Debug.log("not inlining %s (CompiledCodeSize %d > %d)", InliningUtil.methodName(info), info.compiledCodeSize(), GraalOptions.SmallCompiledCodeSize);
5040
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 5021
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392 return false;
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 5021
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393 }
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 5021
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394 return true;
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 5021
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395 }
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 5021
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396
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 5021
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397
4594
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
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398 private interface WeightComputationPolicy {
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
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399 double computeWeight(RiResolvedMethod caller, RiResolvedMethod method, Invoke invoke, boolean preferredInvoke);
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
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400 }
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
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401
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
402 private static class BytecodeSizeBasedWeightComputationPolicy implements WeightComputationPolicy {
4569
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 4564
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403 @Override
333ce00358f4 added another inlining policy, added option to disable propagation of loop frequencies
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4564
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404 public double computeWeight(RiResolvedMethod caller, RiResolvedMethod method, Invoke invoke, boolean preferredInvoke) {
333ce00358f4 added another inlining policy, added option to disable propagation of loop frequencies
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4564
diff changeset
405 double codeSize = method.codeSize();
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 4564
diff changeset
406 if (preferredInvoke) {
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 4564
diff changeset
407 codeSize = codeSize / GraalOptions.BoostInliningForEscapeAnalysis;
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 4564
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408 }
333ce00358f4 added another inlining policy, added option to disable propagation of loop frequencies
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4564
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409 return codeSize;
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 4564
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410 }
333ce00358f4 added another inlining policy, added option to disable propagation of loop frequencies
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4564
diff changeset
411 }
333ce00358f4 added another inlining policy, added option to disable propagation of loop frequencies
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4564
diff changeset
412
4594
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
413 private static class ComplexityBasedWeightComputationPolicy implements WeightComputationPolicy {
4528
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 4469
diff changeset
414 @Override
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 4469
diff changeset
415 public double computeWeight(RiResolvedMethod caller, RiResolvedMethod method, Invoke invoke, boolean preferredInvoke) {
4594
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
416 double complexity = method.compilationComplexity();
4528
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 4469
diff changeset
417 if (preferredInvoke) {
4594
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
418 complexity = complexity / GraalOptions.BoostInliningForEscapeAnalysis;
4528
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 4469
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419 }
4594
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
420 return complexity;
4528
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 4469
diff changeset
421 }
e6e14d25e608 added two inlining policies for comparison
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4469
diff changeset
422 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
423 }