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annotate graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/phases/InliningPhase.java @ 5114:dad1ac9dba7d

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finished first implementation of disabling runtime feedback selectively based on deoptimization history
author Christian Haeubl <christian.haeubl@oracle.com>
date Mon, 19 Mar 2012 14:43:15 -0700
parents 6766253384bf
children a26b6248d398
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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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25 import java.util.*;
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26
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27 import com.oracle.max.cri.ci.*;
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28 import com.oracle.max.cri.ri.*;
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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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40
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41 public class InliningPhase extends Phase implements InliningCallback {
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42 /*
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43 * - 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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44 * These should not be taken into account when determining inlining depth.
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45 * - honor the result of overrideInliningDecision(0, caller, invoke.bci, method, true);
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46 */
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47
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48 private final CiTarget target;
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49 private final GraalRuntime runtime;
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50
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51 private final Collection<? extends Invoke> hints;
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52
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53 private final PriorityQueue<InlineInfo> inlineCandidates = new PriorityQueue<>();
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54 private CiAssumptions assumptions;
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55
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56 private final PhasePlan plan;
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57 private final WeightComputationPolicy weightComputationPolicy;
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58 private final InliningPolicy inliningPolicy;
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59 private final OptimisticOptimizations optimisticOpts;
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60
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61 // Metrics
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62 private static final DebugMetric metricInliningPerformed = Debug.metric("InliningPerformed");
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63 private static final DebugMetric metricInliningConsidered = Debug.metric("InliningConsidered");
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64 private static final DebugMetric metricInliningStoppedByMaxDesiredSize = Debug.metric("InliningStoppedByMaxDesiredSize");
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65
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66 public InliningPhase(CiTarget target, GraalRuntime runtime, Collection<? extends Invoke> hints, CiAssumptions assumptions, PhasePlan plan, OptimisticOptimizations optimisticOpts) {
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67 this.target = target;
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68 this.runtime = runtime;
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69 this.hints = hints;
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70 this.assumptions = assumptions;
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71 this.plan = plan;
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72 this.optimisticOpts = optimisticOpts;
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73 this.weightComputationPolicy = createWeightComputationPolicy();
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74 this.inliningPolicy = createInliningPolicy();
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75 }
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76
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77 @SuppressWarnings("unchecked")
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78 @Override
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79 protected void run(StructuredGraph graph) {
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80 graph.createNodeMap();
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81
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82 if (hints != null) {
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83 scanInvokes((Iterable<? extends Node>) Util.uncheckedCast(this.hints), -1, graph);
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84 } else {
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85 scanInvokes(graph.getNodes(InvokeNode.class), 0, graph);
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86 scanInvokes(graph.getNodes(InvokeWithExceptionNode.class), 0, graph);
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87 }
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88
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89 while (!inlineCandidates.isEmpty() && graph.getNodeCount() < GraalOptions.MaximumDesiredSize) {
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90 InlineInfo info = inlineCandidates.remove();
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91 if (info.invoke.node().isAlive() && inliningPolicy.isWorthInlining(graph, info)) {
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92 Iterable<Node> newNodes = null;
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93 try {
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94 info.inline(graph, runtime, this);
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95 Debug.dump(graph, "after %s", info);
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96 // get the new nodes here, the canonicalizer phase will reset the mark
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97 newNodes = graph.getNewNodes();
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98 if (GraalOptions.OptCanonicalizer) {
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99 new CanonicalizerPhase(target, runtime, true, assumptions).apply(graph);
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100 }
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101 if (GraalOptions.Intrinsify) {
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102 new IntrinsificationPhase(runtime).apply(graph);
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103 }
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104 metricInliningPerformed.increment();
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105 } catch (CiBailout 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(info.toString());
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110 } catch (RuntimeException e) {
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111 throw new GraalInternalError(e).addContext(info.toString());
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112 } catch (GraalInternalError e) {
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113 throw e.addContext(info.toString());
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114 }
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115
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116 if (newNodes != null && info.level < GraalOptions.MaximumInlineLevel) {
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117 scanInvokes(newNodes, info.level + 1, graph);
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118 }
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119 }
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120 }
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121
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122 if (GraalOptions.Debug && graph.getNodeCount() >= GraalOptions.MaximumDesiredSize) {
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123 Debug.log("inlining cut off by MaximumDesiredSize");
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124 metricInliningStoppedByMaxDesiredSize.increment();
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125 }
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126 }
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127
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128 private void scanInvokes(Iterable<? extends Node> newNodes, int level, StructuredGraph graph) {
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129 graph.mark();
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130 for (Node node : newNodes) {
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131 if (node != null) {
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132 if (node instanceof Invoke) {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
133 Invoke invoke = (Invoke) node;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
134 scanInvoke(invoke, level);
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
135 }
4411
cd2b68ef8e23 cleanup around filter and predicates :
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 4205
diff changeset
136 for (Node usage : node.usages().filterInterface(Invoke.class).snapshot()) {
cd2b68ef8e23 cleanup around filter and predicates :
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 4205
diff changeset
137 scanInvoke((Invoke) usage, level);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
138 }
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parents:
diff changeset
139 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
140 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
141 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
142
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
143 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>
parents: 5109
diff changeset
144 InlineInfo info = InliningUtil.getInlineInfo(invoke, level >= 0 ? level : computeInliningLevel(invoke), runtime, assumptions, this, optimisticOpts);
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
145 if (info != null) {
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
146 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>
parents: 4205
diff changeset
147 metricInliningConsidered.increment();
3733
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parents:
diff changeset
148 inlineCandidates.add(info);
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parents:
diff changeset
149 }
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parents:
diff changeset
150 }
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parents:
diff changeset
151
4142
bc8527f3071c Adjust code base to new level of warnings.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 3733
diff changeset
152 public static final Map<RiMethod, Integer> parsedMethods = new HashMap<>();
3733
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parents:
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153
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parents:
diff changeset
154 @Override
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parents:
diff changeset
155 public StructuredGraph buildGraph(RiResolvedMethod method) {
4203
847e9dcb4980 Add graph builder to the phase plan.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 4199
diff changeset
156 StructuredGraph newGraph = new StructuredGraph(method);
3733
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157
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parents:
diff changeset
158 if (plan != null) {
4352
5a84f5548fc4 More work on new debug infrastructure.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 4348
diff changeset
159 plan.runPhases(PhasePosition.AFTER_PARSING, newGraph);
3733
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parents:
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160 }
4993
897b7d18bebc added RiCompiledMethod.execute and the required VM infrastructure
Lukas Stadler <lukas.stadler@jku.at>
parents: 4699
diff changeset
161 assert newGraph.start().next() != null : "graph needs to be populated during PhasePosition.AFTER_PARSING";
3733
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162
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parents:
diff changeset
163 if (GraalOptions.ProbabilityAnalysis) {
4352
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parents: 4348
diff changeset
164 new DeadCodeEliminationPhase().apply(newGraph);
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parents: 4348
diff changeset
165 new ComputeProbabilityPhase().apply(newGraph);
3733
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parents:
diff changeset
166 }
4589
c148bec9398a Fixed computation of exact type information in PhiStampPhase.
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4579
diff changeset
167 if (GraalOptions.OptCanonicalizer) {
c148bec9398a Fixed computation of exact type information in PhiStampPhase.
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4579
diff changeset
168 new CanonicalizerPhase(target, runtime, assumptions).apply(newGraph);
c148bec9398a Fixed computation of exact type information in PhiStampPhase.
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4579
diff changeset
169 }
4142
bc8527f3071c Adjust code base to new level of warnings.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 3733
diff changeset
170 return newGraph;
3733
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parents:
diff changeset
171 }
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parents:
diff changeset
172
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parents:
diff changeset
173 @Override
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
174 public double inliningWeight(RiResolvedMethod caller, RiResolvedMethod method, Invoke invoke) {
4468
87a12a816e99 added C1 inlining policy for comparison, bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4461
diff changeset
175 boolean preferred = hints != null && hints.contains(invoke);
4594
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
176 return weightComputationPolicy.computeWeight(caller, method, invoke, preferred);
3733
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parents:
diff changeset
177 }
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parents:
diff changeset
178
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parents:
diff changeset
179 public static int graphComplexity(StructuredGraph graph) {
e233f5660da4 Added Java files from Maxine project.
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parents:
diff changeset
180 int result = 0;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
181 for (Node node : graph.getNodes()) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
182 if (node instanceof ConstantNode || node instanceof LocalNode || node instanceof BeginNode || node instanceof ReturnNode || node instanceof UnwindNode) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
183 result += 0;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
184 } else if (node instanceof PhiNode) {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
185 result += 5;
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
186 } else if (node instanceof MergeNode || node instanceof Invoke || node instanceof LoopEndNode || node instanceof EndNode) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
187 result += 0;
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
188 } else if (node instanceof ControlSplitNode) {
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
189 result += ((ControlSplitNode) node).blockSuccessorCount();
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
190 } else {
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
191 result += 1;
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parents:
diff changeset
192 }
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parents:
diff changeset
193 }
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
194 return Math.max(1, result);
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parents:
diff changeset
195 }
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parents:
diff changeset
196
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
197
e233f5660da4 Added Java files from Maxine project.
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parents:
diff changeset
198 @Override
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parents:
diff changeset
199 public void recordConcreteMethodAssumption(RiResolvedMethod method, RiResolvedType context, RiResolvedMethod impl) {
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parents:
diff changeset
200 assumptions.recordConcreteMethod(method, context, impl);
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
201 }
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
202
4670
41034914e2ee add MethodContents assumption to fix debbugging issue
Lukas Stadler <lukas.stadler@jku.at>
parents: 4598
diff changeset
203 @Override
41034914e2ee add MethodContents assumption to fix debbugging issue
Lukas Stadler <lukas.stadler@jku.at>
parents: 4598
diff changeset
204 public void recordMethodContentsAssumption(RiResolvedMethod method) {
4672
7167f487cc31 fix NPE in tests caused by recordMethodContents
Lukas Stadler <lukas.stadler@jku.at>
parents: 4670
diff changeset
205 if (assumptions != null) {
7167f487cc31 fix NPE in tests caused by recordMethodContents
Lukas Stadler <lukas.stadler@jku.at>
parents: 4670
diff changeset
206 assumptions.recordMethodContents(method);
7167f487cc31 fix NPE in tests caused by recordMethodContents
Lukas Stadler <lukas.stadler@jku.at>
parents: 4670
diff changeset
207 }
4670
41034914e2ee add MethodContents assumption to fix debbugging issue
Lukas Stadler <lukas.stadler@jku.at>
parents: 4598
diff changeset
208 }
41034914e2ee add MethodContents assumption to fix debbugging issue
Lukas Stadler <lukas.stadler@jku.at>
parents: 4598
diff changeset
209
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
210 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
211 int count = 0;
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
212 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
213 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
214 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
215 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
216 }
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
217 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
218 }
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
219
4594
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
220 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
221 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
222 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
223 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
224 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
225 case 3: return new DynamicSizeBasedInliningPolicy();
333ce00358f4 added another inlining policy, added option to disable propagation of loop frequencies
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4564
diff changeset
226 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
227 default:
333ce00358f4 added another inlining policy, added option to disable propagation of loop frequencies
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4564
diff changeset
228 GraalInternalError.shouldNotReachHere();
333ce00358f4 added another inlining policy, added option to disable propagation of loop frequencies
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4564
diff changeset
229 return null;
4468
87a12a816e99 added C1 inlining policy for comparison, bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4461
diff changeset
230 }
87a12a816e99 added C1 inlining policy for comparison, bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4461
diff changeset
231 }
87a12a816e99 added C1 inlining policy for comparison, bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4461
diff changeset
232
4594
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
233 private WeightComputationPolicy createWeightComputationPolicy() {
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
234 switch(GraalOptions.WeightComputationPolicy) {
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
235 case 0: return new ExecutionCountBasedWeightComputationPolicy();
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
236 case 1: return new BytecodeSizeBasedWeightComputationPolicy();
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
237 case 2: return new ComplexityBasedWeightComputationPolicy();
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
238 default:
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
239 GraalInternalError.shouldNotReachHere();
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
240 return null;
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
241 }
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
242 }
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
243
4468
87a12a816e99 added C1 inlining policy for comparison, bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4461
diff changeset
244 private interface InliningPolicy {
87a12a816e99 added C1 inlining policy for comparison, bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4461
diff changeset
245 boolean isWorthInlining(StructuredGraph callerGraph, InlineInfo info);
87a12a816e99 added C1 inlining policy for comparison, bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4461
diff changeset
246 }
87a12a816e99 added C1 inlining policy for comparison, bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4461
diff changeset
247
4594
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
248 private static class WeightBasedInliningPolicy implements InliningPolicy {
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
249 @Override
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
250 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
251 if (!checkCompiledCodeSize(info)) {
4594
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
252 return false;
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
253 }
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
254
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
255 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
256 if (info.weight > GraalOptions.MaximumInlineWeight / (1 + penalty * GraalOptions.InliningSizePenalty)) {
5040
4d6e5ddf70e5 added option to print the profiling information
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5021
diff changeset
257 Debug.log("not inlining (cut off by weight %e): %s", info.weight, info);
4594
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
258 return false;
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
259 }
5005
c2ebd3d559f7 fixed probabilities when polymorphic inlining is used
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4993
diff changeset
260
c2ebd3d559f7 fixed probabilities when polymorphic inlining is used
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4993
diff changeset
261 Debug.log("inlining (weight %f): %s", info.weight, info);
4594
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
262 return true;
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
263 }
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
264 }
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
265
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
266 private static class C1StaticSizeBasedInliningPolicy implements InliningPolicy {
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
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267 @Override
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268 public boolean isWorthInlining(StructuredGraph callerGraph, InlineInfo info) {
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269 double maxSize = Math.max(GraalOptions.MaximumTrivialSize, Math.pow(GraalOptions.NestedInliningSizeRatio, info.level) * GraalOptions.MaximumInlineSize);
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270 return decideSizeBasedInlining(info, maxSize);
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271 }
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272 }
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273
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274 private static class MinimumCodeSizeBasedInliningPolicy implements InliningPolicy {
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275 @Override
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276 public boolean isWorthInlining(StructuredGraph callerGraph, InlineInfo info) {
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277 assert GraalOptions.ProbabilityAnalysis;
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diff changeset
278 if (!checkCompiledCodeSize(info)) {
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279 return false;
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280 }
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281
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282 double inlineWeight = Math.min(GraalOptions.ProbabilityCapForInlining, info.invoke.probability());
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283 double maxSize = Math.pow(GraalOptions.NestedInliningSizeRatio, info.level) * GraalOptions.MaximumInlineSize * inlineWeight;
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284 maxSize = Math.max(GraalOptions.MaximumTrivialSize, maxSize);
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285
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286 return decideSizeBasedInlining(info, maxSize);
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287 }
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288 }
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289
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290 private static class DynamicSizeBasedInliningPolicy implements InliningPolicy {
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diff changeset
291 @Override
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292 public boolean isWorthInlining(StructuredGraph callerGraph, InlineInfo info) {
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293 assert GraalOptions.ProbabilityAnalysis;
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294 if (!checkCompiledCodeSize(info)) {
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295 return false;
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296 }
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297
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298 double inlineBoost = Math.min(GraalOptions.ProbabilityCapForInlining, info.invoke.probability()) + Math.log10(Math.max(1, info.invoke.probability() - GraalOptions.ProbabilityCapForInlining + 1));
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299 double maxSize = Math.pow(GraalOptions.NestedInliningSizeRatio, info.level) * GraalOptions.MaximumInlineSize;
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300 maxSize = maxSize + maxSize * inlineBoost;
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diff changeset
301 maxSize = Math.min(GraalOptions.MaximumGreedyInlineSize, Math.max(GraalOptions.MaximumTrivialSize, maxSize));
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302
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303 return decideSizeBasedInlining(info, maxSize);
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304 }
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305 }
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306
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307 private static class GreedySizeBasedInliningPolicy implements InliningPolicy {
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diff changeset
308 @Override
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309 public boolean isWorthInlining(StructuredGraph callerGraph, InlineInfo info) {
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310 assert GraalOptions.ProbabilityAnalysis;
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diff changeset
311 if (!checkCompiledCodeSize(info)) {
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diff changeset
312 return false;
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313 }
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314
5021
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diff changeset
315 double maxSize = GraalOptions.MaximumGreedyInlineSize;
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diff changeset
316 if (GraalOptions.InliningBonusPerTransferredValue != 0) {
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diff changeset
317 RiSignature signature = info.invoke.callTarget().targetMethod().signature();
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318 int transferredValues = signature.argumentCount(true);
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319 if (signature.returnKind(false) != CiKind.Void) {
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320 transferredValues++;
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321 }
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diff changeset
322 maxSize += transferredValues * GraalOptions.InliningBonusPerTransferredValue;
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323 }
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diff changeset
324
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diff changeset
325 double inlineRatio = Math.min(GraalOptions.ProbabilityCapForInlining, info.invoke.probability());
5021
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diff changeset
326 maxSize = Math.pow(GraalOptions.NestedInliningSizeRatio, info.level) * maxSize * inlineRatio;
4699
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diff changeset
327 maxSize = Math.max(maxSize, GraalOptions.MaximumTrivialSize);
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328
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329 return decideSizeBasedInlining(info, maxSize);
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330 }
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331 }
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332
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333 private static boolean decideSizeBasedInlining(InlineInfo info, double maxSize) {
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334 boolean success = info.weight <= maxSize;
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335 if (DebugScope.getInstance().isLogEnabled()) {
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336 String formatterString = success ? "inlining invoke at %s@%d (size %f <= %f): %s" : "not inlining invoke at %s@%d (too large %f > %f): %s";
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diff changeset
337 Debug.log(formatterString, CiUtil.format("%H.%n(%p):%r", info.invoke.stateAfter().method()), info.invoke.bci(), info.weight, maxSize, info);
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338 }
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339 return success;
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340 }
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341
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diff changeset
342 private static boolean checkCompiledCodeSize(InlineInfo info) {
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343 if (GraalOptions.SmallCompiledCodeSize >= 0 && info.compiledCodeSize() > GraalOptions.SmallCompiledCodeSize) {
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344 Debug.log("not inlining invoke at %s@%d (CompiledCodeSize %d > %d): %s", CiUtil.format("%H.%n(%p):%r", info.invoke.stateAfter().method()), info.invoke.bci(), info.compiledCodeSize(), GraalOptions.SmallCompiledCodeSize, info);
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345 return false;
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346 }
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diff changeset
347 return true;
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348 }
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349
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350
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351 private interface WeightComputationPolicy {
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diff changeset
352 double computeWeight(RiResolvedMethod caller, RiResolvedMethod method, Invoke invoke, boolean preferredInvoke);
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353 }
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354
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diff changeset
355 private class ExecutionCountBasedWeightComputationPolicy implements WeightComputationPolicy {
4468
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diff changeset
356 @Override
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diff changeset
357 public double computeWeight(RiResolvedMethod caller, RiResolvedMethod method, Invoke invoke, boolean preferredInvoke) {
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diff changeset
358 double ratio;
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diff changeset
359 if (preferredInvoke) {
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diff changeset
360 ratio = 1000000;
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diff changeset
361 } else {
87a12a816e99 added C1 inlining policy for comparison, bugfixes
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diff changeset
362 if (GraalOptions.ProbabilityAnalysis) {
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 4461
diff changeset
363 ratio = invoke.node().probability();
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Christian Haeubl <christian.haeubl@oracle.com>
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diff changeset
364 } else {
87a12a816e99 added C1 inlining policy for comparison, bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4461
diff changeset
365 RiProfilingInfo profilingInfo = method.profilingInfo();
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diff changeset
366 int executionCount = profilingInfo.getExecutionCount(invoke.bci());
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diff changeset
367 if (executionCount > 0) {
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diff changeset
368 RiResolvedMethod parent = invoke.stateAfter().method();
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diff changeset
369 ratio = executionCount / (float) parent.invocationCount();
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diff changeset
370 } else {
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diff changeset
371 ratio = 1;
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diff changeset
372 }
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diff changeset
373 }
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diff changeset
374 }
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diff changeset
375
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Christian Haeubl <christian.haeubl@oracle.com>
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diff changeset
376 final double normalSize;
5056
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Gilles Duboscq <duboscq@ssw.jku.at>
parents: 5040
diff changeset
377 // TODO (lstadler) get rid of this magic, it's here to emulate the old behavior for the time being
4468
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diff changeset
378 if (ratio < 0.01) {
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diff changeset
379 ratio = 0.01;
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diff changeset
380 }
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diff changeset
381 if (ratio < 0.5) {
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diff changeset
382 normalSize = 10 * ratio / 0.5;
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diff changeset
383 } else if (ratio < 2) {
87a12a816e99 added C1 inlining policy for comparison, bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
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diff changeset
384 normalSize = 10 + (35 - 10) * (ratio - 0.5) / 1.5;
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diff changeset
385 } else if (ratio < 20) {
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diff changeset
386 normalSize = 35;
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Christian Haeubl <christian.haeubl@oracle.com>
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diff changeset
387 } else if (ratio < 40) {
87a12a816e99 added C1 inlining policy for comparison, bugfixes
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parents: 4461
diff changeset
388 normalSize = 35 + (350 - 35) * (ratio - 20) / 20;
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diff changeset
389 } else {
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diff changeset
390 normalSize = 350;
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diff changeset
391 }
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diff changeset
392
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 4461
diff changeset
393 int count;
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 4461
diff changeset
394 if (GraalOptions.ParseBeforeInlining) {
87a12a816e99 added C1 inlining policy for comparison, bugfixes
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parents: 4461
diff changeset
395 if (!parsedMethods.containsKey(method)) {
87a12a816e99 added C1 inlining policy for comparison, bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4461
diff changeset
396 StructuredGraph newGraph = new StructuredGraph(method);
87a12a816e99 added C1 inlining policy for comparison, bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4461
diff changeset
397 if (plan != null) {
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 4461
diff changeset
398 plan.runPhases(PhasePosition.AFTER_PARSING, newGraph);
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Christian Haeubl <christian.haeubl@oracle.com>
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diff changeset
399 }
4589
c148bec9398a Fixed computation of exact type information in PhiStampPhase.
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4579
diff changeset
400 if (GraalOptions.OptCanonicalizer) {
c148bec9398a Fixed computation of exact type information in PhiStampPhase.
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4579
diff changeset
401 new CanonicalizerPhase(target, runtime, assumptions).apply(newGraph);
c148bec9398a Fixed computation of exact type information in PhiStampPhase.
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4579
diff changeset
402 }
4468
87a12a816e99 added C1 inlining policy for comparison, bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4461
diff changeset
403 count = graphComplexity(newGraph);
87a12a816e99 added C1 inlining policy for comparison, bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4461
diff changeset
404 parsedMethods.put(method, count);
87a12a816e99 added C1 inlining policy for comparison, bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4461
diff changeset
405 } else {
87a12a816e99 added C1 inlining policy for comparison, bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4461
diff changeset
406 count = parsedMethods.get(method);
87a12a816e99 added C1 inlining policy for comparison, bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4461
diff changeset
407 }
87a12a816e99 added C1 inlining policy for comparison, bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4461
diff changeset
408 } else {
87a12a816e99 added C1 inlining policy for comparison, bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4461
diff changeset
409 count = method.codeSize();
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 4461
diff changeset
410 }
87a12a816e99 added C1 inlining policy for comparison, bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4461
diff changeset
411
87a12a816e99 added C1 inlining policy for comparison, bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4461
diff changeset
412 return count / normalSize;
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 4461
diff changeset
413 }
87a12a816e99 added C1 inlining policy for comparison, bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4461
diff changeset
414 }
87a12a816e99 added C1 inlining policy for comparison, bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4461
diff changeset
415
4594
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
416 private static class BytecodeSizeBasedWeightComputationPolicy implements WeightComputationPolicy {
4569
333ce00358f4 added another inlining policy, added option to disable propagation of loop frequencies
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4564
diff changeset
417 @Override
333ce00358f4 added another inlining policy, added option to disable propagation of loop frequencies
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4564
diff changeset
418 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
419 double codeSize = method.codeSize();
333ce00358f4 added another inlining policy, added option to disable propagation of loop frequencies
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4564
diff changeset
420 if (preferredInvoke) {
333ce00358f4 added another inlining policy, added option to disable propagation of loop frequencies
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4564
diff changeset
421 codeSize = codeSize / GraalOptions.BoostInliningForEscapeAnalysis;
333ce00358f4 added another inlining policy, added option to disable propagation of loop frequencies
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4564
diff changeset
422 }
333ce00358f4 added another inlining policy, added option to disable propagation of loop frequencies
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4564
diff changeset
423 return codeSize;
333ce00358f4 added another inlining policy, added option to disable propagation of loop frequencies
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4564
diff changeset
424 }
333ce00358f4 added another inlining policy, added option to disable propagation of loop frequencies
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4564
diff changeset
425 }
333ce00358f4 added another inlining policy, added option to disable propagation of loop frequencies
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4564
diff changeset
426
4594
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
427 private static class ComplexityBasedWeightComputationPolicy implements WeightComputationPolicy {
4528
e6e14d25e608 added two inlining policies for comparison
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4469
diff changeset
428 @Override
e6e14d25e608 added two inlining policies for comparison
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4469
diff changeset
429 public double computeWeight(RiResolvedMethod caller, RiResolvedMethod method, Invoke invoke, boolean preferredInvoke) {
4594
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
430 double complexity = method.compilationComplexity();
4528
e6e14d25e608 added two inlining policies for comparison
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4469
diff changeset
431 if (preferredInvoke) {
4594
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
432 complexity = complexity / GraalOptions.BoostInliningForEscapeAnalysis;
4528
e6e14d25e608 added two inlining policies for comparison
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4469
diff changeset
433 }
4594
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
434 return complexity;
4528
e6e14d25e608 added two inlining policies for comparison
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4469
diff changeset
435 }
e6e14d25e608 added two inlining policies for comparison
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4469
diff changeset
436 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
437 }