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annotate graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/InliningPhase.java @ 7063:0d7dfa5b79e8

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merged inlining and intrinsification phases some optimizations for Integer- and TypeSwitch added iterator to do the inlining in control-flow order
author Christian Haeubl <haeubl@ssw.jku.at>
date Thu, 15 Nov 2012 15:10:41 +0100
parents 2463eb24b644
children 8d16b9b2c51e
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1 /*
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2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.graal.phases.common;
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24
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25 import java.lang.reflect.*;
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26 import java.util.*;
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27 import java.util.concurrent.*;
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28
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29 import com.oracle.graal.api.code.*;
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30 import com.oracle.graal.api.meta.*;
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31 import com.oracle.graal.debug.*;
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32 import com.oracle.graal.debug.internal.*;
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33 import com.oracle.graal.graph.*;
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34 import com.oracle.graal.nodes.*;
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35 import com.oracle.graal.nodes.spi.*;
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36 import com.oracle.graal.phases.*;
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37 import com.oracle.graal.phases.PhasePlan.PhasePosition;
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38 import com.oracle.graal.phases.common.InliningUtil.InlineInfo;
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39 import com.oracle.graal.phases.common.InliningUtil.InliningCallback;
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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 TargetDescription target;
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49 private final GraalCodeCacheProvider 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 Assumptions assumptions;
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54
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55 private final PhasePlan plan;
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56 private final GraphCache cache;
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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 private static final DebugMetric metricInliningRuns = Debug.metric("Runs");
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66
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67 public InliningPhase(TargetDescription target, GraalCodeCacheProvider runtime, Collection<? extends Invoke> hints, Assumptions assumptions, GraphCache cache, PhasePlan plan, OptimisticOptimizations optimisticOpts) {
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68 this.target = target;
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69 this.runtime = runtime;
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70 this.hints = hints;
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71 this.assumptions = assumptions;
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72 this.cache = cache;
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73 this.plan = plan;
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74 this.optimisticOpts = optimisticOpts;
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75 this.weightComputationPolicy = createWeightComputationPolicy();
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76 this.inliningPolicy = createInliningPolicy();
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77 }
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78
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79 @Override
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80 protected void run(final StructuredGraph graph) {
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81 NodeBitMap visitedFixedNodes = graph.createNodeBitMap(true);
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82 Deque<Invoke> sortedInvokes = new ArrayDeque<>();
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83
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84 queueInvokes(graph.start(), sortedInvokes, visitedFixedNodes);
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85
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86 while (!sortedInvokes.isEmpty() && graph.getNodeCount() < GraalOptions.MaximumDesiredSize) {
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87 final Invoke invoke = sortedInvokes.pop();
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88 if (hints != null && !hints.contains(invoke)) {
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89 continue;
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90 }
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91
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92 InlineInfo candidate = Debug.scope("InliningDecisions", new Callable<InlineInfo>() {
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93 @Override
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94 public InlineInfo call() throws Exception {
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95 InlineInfo info = InliningUtil.getInlineInfo(invoke, computeInliningLevel(invoke), runtime, assumptions, InliningPhase.this, optimisticOpts);
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96 if (info == null || !info.invoke.node().isAlive() || info.level > GraalOptions.MaximumInlineLevel) {
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97 return null;
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98 }
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99 metricInliningConsidered.increment();
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100 if (inliningPolicy.isWorthInlining(graph, info)) {
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101 return info;
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102 } else {
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103 return null;
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104 }
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105 }
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106 });
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107
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108 // TEMP:
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109 // if (GraalOptions.AlwaysInlineTrivialMethods) {
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110 // TODO: Continue;
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111 // }
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112
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113 if (candidate != null) {
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114 int mark = graph.getMark();
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115 try {
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116 FixedNode predecessor = (FixedNode) invoke.predecessor();
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117 candidate.inline(graph, runtime, InliningPhase.this);
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118 Debug.dump(graph, "after %s", candidate);
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119 if (GraalOptions.OptCanonicalizer) {
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120 new CanonicalizerPhase(target, runtime, assumptions, mark, null).apply(graph);
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121 }
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122 metricInliningPerformed.increment();
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123
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124 queueInvokes(predecessor, sortedInvokes, visitedFixedNodes);
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125 } catch (BailoutException bailout) {
5019
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Christian Haeubl <christian.haeubl@oracle.com>
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diff changeset
126 // TODO determine if we should really bail out of the whole compilation.
836e4fce33ab changed inlining debug output
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5018
diff changeset
127 throw bailout;
836e4fce33ab changed inlining debug output
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5018
diff changeset
128 } catch (AssertionError e) {
7063
0d7dfa5b79e8 merged inlining and intrinsification phases
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diff changeset
129 throw new GraalInternalError(e).addContext(candidate.toString());
5019
836e4fce33ab changed inlining debug output
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5018
diff changeset
130 } catch (RuntimeException e) {
7063
0d7dfa5b79e8 merged inlining and intrinsification phases
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parents: 6539
diff changeset
131 throw new GraalInternalError(e).addContext(candidate.toString());
5019
836e4fce33ab changed inlining debug output
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parents: 5018
diff changeset
132 } catch (GraalInternalError e) {
7063
0d7dfa5b79e8 merged inlining and intrinsification phases
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diff changeset
133 throw e.addContext(candidate.toString());
4468
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diff changeset
134 }
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135 }
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parents:
diff changeset
136 }
4598
6a44a26ed9e6 set default inlining policy to the greedy one
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4594
diff changeset
137
7063
0d7dfa5b79e8 merged inlining and intrinsification phases
Christian Haeubl <haeubl@ssw.jku.at>
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diff changeset
138 if (graph.getNodeCount() >= GraalOptions.MaximumDesiredSize) {
0d7dfa5b79e8 merged inlining and intrinsification phases
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parents: 6539
diff changeset
139 if (GraalOptions.Debug) {
0d7dfa5b79e8 merged inlining and intrinsification phases
Christian Haeubl <haeubl@ssw.jku.at>
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diff changeset
140 Debug.scope("InliningDecisions", new Runnable() {
0d7dfa5b79e8 merged inlining and intrinsification phases
Christian Haeubl <haeubl@ssw.jku.at>
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diff changeset
141 public void run() {
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
142 Debug.log("inlining is cut off by MaximumDesiredSize");
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
143 }
7063
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Christian Haeubl <haeubl@ssw.jku.at>
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diff changeset
144 });
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
145
7063
0d7dfa5b79e8 merged inlining and intrinsification phases
Christian Haeubl <haeubl@ssw.jku.at>
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diff changeset
146 metricInliningStoppedByMaxDesiredSize.increment();
0d7dfa5b79e8 merged inlining and intrinsification phases
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diff changeset
147 }
4598
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diff changeset
148 }
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149 }
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parents:
diff changeset
150
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diff changeset
151 private static void queueInvokes(FixedNode start, Deque<Invoke> invokes, NodeBitMap visitedFixedNodes) {
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diff changeset
152 ArrayList<Invoke> results = new ArrayList<>();
0d7dfa5b79e8 merged inlining and intrinsification phases
Christian Haeubl <haeubl@ssw.jku.at>
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diff changeset
153 new InliningIterator(start, results, visitedFixedNodes).apply();
0d7dfa5b79e8 merged inlining and intrinsification phases
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diff changeset
154 // insert the newly found invokes in their correct control-flow order
0d7dfa5b79e8 merged inlining and intrinsification phases
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parents: 6539
diff changeset
155 for (int i = results.size() - 1; i >= 0; i--) {
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
156 invokes.addFirst(results.get(i));
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157 }
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158 }
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159
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diff changeset
160 @Override
5541
b4c406861c33 More renamings to drop Ri* prefix completely. Deleted graph.BitMap class and replaced with java.util.BitSet.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5540
diff changeset
161 public StructuredGraph buildGraph(final ResolvedJavaMethod method) {
6353
2590d9cc3b6d remove unnecessary debug scope during inlining
Lukas Stadler <lukas.stadler@jku.at>
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diff changeset
162 metricInliningRuns.increment();
2590d9cc3b6d remove unnecessary debug scope during inlining
Lukas Stadler <lukas.stadler@jku.at>
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diff changeset
163 if (GraalOptions.CacheGraphs && cache != null) {
2590d9cc3b6d remove unnecessary debug scope during inlining
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diff changeset
164 StructuredGraph cachedGraph = cache.get(method);
2590d9cc3b6d remove unnecessary debug scope during inlining
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diff changeset
165 if (cachedGraph != null) {
2590d9cc3b6d remove unnecessary debug scope during inlining
Lukas Stadler <lukas.stadler@jku.at>
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diff changeset
166 return cachedGraph;
2590d9cc3b6d remove unnecessary debug scope during inlining
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167 }
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168 }
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diff changeset
169 StructuredGraph newGraph = new StructuredGraph(method);
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Lukas Stadler <lukas.stadler@jku.at>
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diff changeset
170 if (plan != null) {
2590d9cc3b6d remove unnecessary debug scope during inlining
Lukas Stadler <lukas.stadler@jku.at>
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diff changeset
171 plan.runPhases(PhasePosition.AFTER_PARSING, newGraph);
2590d9cc3b6d remove unnecessary debug scope during inlining
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diff changeset
172 }
2590d9cc3b6d remove unnecessary debug scope during inlining
Lukas Stadler <lukas.stadler@jku.at>
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diff changeset
173 assert newGraph.start().next() != null : "graph needs to be populated during PhasePosition.AFTER_PARSING";
5177
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Lukas Stadler <lukas.stadler@jku.at>
parents: 5114
diff changeset
174
6353
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diff changeset
175 if (GraalOptions.ProbabilityAnalysis) {
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parents: 5788
diff changeset
176 new DeadCodeEliminationPhase().apply(newGraph);
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diff changeset
177 new ComputeProbabilityPhase().apply(newGraph);
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178 }
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diff changeset
179 if (GraalOptions.OptCanonicalizer) {
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diff changeset
180 new CanonicalizerPhase(target, runtime, assumptions).apply(newGraph);
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diff changeset
181 }
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diff changeset
182 if (GraalOptions.CullFrameStates) {
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diff changeset
183 new CullFrameStatesPhase().apply(newGraph);
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Lukas Stadler <lukas.stadler@jku.at>
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184 }
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Lukas Stadler <lukas.stadler@jku.at>
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diff changeset
185 if (GraalOptions.CacheGraphs && cache != null) {
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diff changeset
186 cache.put(newGraph);
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diff changeset
187 }
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diff changeset
188 return newGraph;
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189 }
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190
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diff changeset
191 @Override
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff changeset
192 public double inliningWeight(ResolvedJavaMethod caller, ResolvedJavaMethod method, Invoke invoke) {
4468
87a12a816e99 added C1 inlining policy for comparison, bugfixes
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diff changeset
193 boolean preferred = hints != null && hints.contains(invoke);
4594
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diff changeset
194 return weightComputationPolicy.computeWeight(caller, method, invoke, preferred);
3733
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195 }
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196
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diff changeset
197 public static int graphComplexity(StructuredGraph graph) {
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diff changeset
198 int result = 0;
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diff changeset
199 for (Node node : graph.getNodes()) {
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parents:
diff changeset
200 if (node instanceof ConstantNode || node instanceof LocalNode || node instanceof BeginNode || node instanceof ReturnNode || node instanceof UnwindNode) {
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diff changeset
201 result += 0;
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parents:
diff changeset
202 } else if (node instanceof PhiNode) {
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diff changeset
203 result += 5;
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diff changeset
204 } else if (node instanceof MergeNode || node instanceof Invoke || node instanceof LoopEndNode || node instanceof EndNode) {
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parents:
diff changeset
205 result += 0;
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parents:
diff changeset
206 } else if (node instanceof ControlSplitNode) {
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parents:
diff changeset
207 result += ((ControlSplitNode) node).blockSuccessorCount();
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parents:
diff changeset
208 } else {
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parents:
diff changeset
209 result += 1;
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parents:
diff changeset
210 }
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parents:
diff changeset
211 }
e233f5660da4 Added Java files from Maxine project.
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parents:
diff changeset
212 return Math.max(1, result);
e233f5660da4 Added Java files from Maxine project.
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parents:
diff changeset
213 }
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parents:
diff changeset
214
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parents:
diff changeset
215
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parents:
diff changeset
216 @Override
5541
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5540
diff changeset
217 public void recordConcreteMethodAssumption(ResolvedJavaMethod method, ResolvedJavaType context, ResolvedJavaMethod impl) {
3733
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parents:
diff changeset
218 assumptions.recordConcreteMethod(method, context, impl);
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parents:
diff changeset
219 }
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diff changeset
220
4670
41034914e2ee add MethodContents assumption to fix debbugging issue
Lukas Stadler <lukas.stadler@jku.at>
parents: 4598
diff changeset
221 @Override
5541
b4c406861c33 More renamings to drop Ri* prefix completely. Deleted graph.BitMap class and replaced with java.util.BitSet.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5540
diff changeset
222 public void recordMethodContentsAssumption(ResolvedJavaMethod method) {
4672
7167f487cc31 fix NPE in tests caused by recordMethodContents
Lukas Stadler <lukas.stadler@jku.at>
parents: 4670
diff changeset
223 if (assumptions != null) {
7167f487cc31 fix NPE in tests caused by recordMethodContents
Lukas Stadler <lukas.stadler@jku.at>
parents: 4670
diff changeset
224 assumptions.recordMethodContents(method);
7167f487cc31 fix NPE in tests caused by recordMethodContents
Lukas Stadler <lukas.stadler@jku.at>
parents: 4670
diff changeset
225 }
4670
41034914e2ee add MethodContents assumption to fix debbugging issue
Lukas Stadler <lukas.stadler@jku.at>
parents: 4598
diff changeset
226 }
41034914e2ee add MethodContents assumption to fix debbugging issue
Lukas Stadler <lukas.stadler@jku.at>
parents: 4598
diff changeset
227
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
228 private static int computeInliningLevel(Invoke invoke) {
5788
8c9ce2cb3afe recompute inlining level instead of caching it
Lukas Stadler <lukas.stadler@jku.at>
parents: 5727
diff changeset
229 int count = -1;
4564
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 4531
diff changeset
230 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
231 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
232 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
233 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
234 }
5788
8c9ce2cb3afe recompute inlining level instead of caching it
Lukas Stadler <lukas.stadler@jku.at>
parents: 5727
diff changeset
235 return count;
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
236 }
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
237
4594
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
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diff changeset
238 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
239 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
240 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
241 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
242 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
243 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
244 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
245 default:
333ce00358f4 added another inlining policy, added option to disable propagation of loop frequencies
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4564
diff changeset
246 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
247 return null;
4468
87a12a816e99 added C1 inlining policy for comparison, bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4461
diff changeset
248 }
87a12a816e99 added C1 inlining policy for comparison, bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4461
diff changeset
249 }
87a12a816e99 added C1 inlining policy for comparison, bugfixes
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4461
diff changeset
250
5177
a26b6248d398 added graph caching (-G:+CacheGraphs)
Lukas Stadler <lukas.stadler@jku.at>
parents: 5114
diff changeset
251 private static WeightComputationPolicy createWeightComputationPolicy() {
4594
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
252 switch(GraalOptions.WeightComputationPolicy) {
5177
a26b6248d398 added graph caching (-G:+CacheGraphs)
Lukas Stadler <lukas.stadler@jku.at>
parents: 5114
diff changeset
253 case 0: throw new GraalInternalError("removed because of invokation counter changes");
4594
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
254 case 1: return new BytecodeSizeBasedWeightComputationPolicy();
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
255 case 2: return new ComplexityBasedWeightComputationPolicy();
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
256 default:
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diff changeset
257 GraalInternalError.shouldNotReachHere();
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diff changeset
258 return null;
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259 }
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260 }
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diff changeset
261
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diff changeset
262 private interface InliningPolicy {
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263 boolean isWorthInlining(StructuredGraph callerGraph, InlineInfo info);
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264 }
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265
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266 private static class WeightBasedInliningPolicy implements InliningPolicy {
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267 @Override
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268 public boolean isWorthInlining(StructuredGraph callerGraph, InlineInfo info) {
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diff changeset
269 if (!checkCompiledCodeSize(info)) {
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diff changeset
270 return false;
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271 }
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272
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diff changeset
273 double penalty = Math.pow(GraalOptions.InliningSizePenaltyExp, callerGraph.getNodeCount() / (double) GraalOptions.MaximumDesiredSize) / GraalOptions.InliningSizePenaltyExp;
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diff changeset
274 if (info.weight > GraalOptions.MaximumInlineWeight / (1 + penalty * GraalOptions.InliningSizePenalty)) {
5316
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diff changeset
275 Debug.log("not inlining %s (cut off by weight %e)", InliningUtil.methodName(info), info.weight);
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276 return false;
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277 }
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diff changeset
278
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279 Debug.log("inlining %s (weight %f): %s", InliningUtil.methodName(info), info.weight);
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diff changeset
280 return true;
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281 }
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282 }
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283
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284 private static class C1StaticSizeBasedInliningPolicy implements InliningPolicy {
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diff changeset
285 @Override
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286 public boolean isWorthInlining(StructuredGraph callerGraph, InlineInfo info) {
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287 double maxSize = Math.max(GraalOptions.MaximumTrivialSize, Math.pow(GraalOptions.NestedInliningSizeRatio, info.level) * GraalOptions.MaximumInlineSize);
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288 return decideSizeBasedInlining(info, maxSize);
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289 }
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290 }
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291
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292 private static class MinimumCodeSizeBasedInliningPolicy implements InliningPolicy {
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293 @Override
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294 public boolean isWorthInlining(StructuredGraph callerGraph, InlineInfo info) {
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295 assert GraalOptions.ProbabilityAnalysis;
5040
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diff changeset
296 if (!checkCompiledCodeSize(info)) {
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diff changeset
297 return false;
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298 }
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299
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diff changeset
300 double inlineWeight = Math.min(GraalOptions.ProbabilityCapForInlining, info.invoke.probability());
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diff changeset
301 double maxSize = Math.pow(GraalOptions.NestedInliningSizeRatio, info.level) * GraalOptions.MaximumInlineSize * inlineWeight;
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diff changeset
302 maxSize = Math.max(GraalOptions.MaximumTrivialSize, maxSize);
5005
c2ebd3d559f7 fixed probabilities when polymorphic inlining is used
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diff changeset
303
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diff changeset
304 return decideSizeBasedInlining(info, maxSize);
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diff changeset
305 }
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diff changeset
306 }
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diff changeset
307
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diff changeset
308 private static class DynamicSizeBasedInliningPolicy implements InliningPolicy {
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diff changeset
309 @Override
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diff changeset
310 public boolean isWorthInlining(StructuredGraph callerGraph, InlineInfo info) {
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diff changeset
311 assert GraalOptions.ProbabilityAnalysis;
5040
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diff changeset
312 if (!checkCompiledCodeSize(info)) {
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diff changeset
313 return false;
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diff changeset
314 }
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parents: 4591
diff changeset
315
4598
6a44a26ed9e6 set default inlining policy to the greedy one
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4594
diff changeset
316 double inlineBoost = Math.min(GraalOptions.ProbabilityCapForInlining, info.invoke.probability()) + Math.log10(Math.max(1, info.invoke.probability() - GraalOptions.ProbabilityCapForInlining + 1));
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diff changeset
317 double maxSize = Math.pow(GraalOptions.NestedInliningSizeRatio, info.level) * GraalOptions.MaximumInlineSize;
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diff changeset
318 maxSize = maxSize + maxSize * inlineBoost;
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diff changeset
319 maxSize = Math.min(GraalOptions.MaximumGreedyInlineSize, Math.max(GraalOptions.MaximumTrivialSize, maxSize));
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diff changeset
320
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diff changeset
321 return decideSizeBasedInlining(info, maxSize);
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diff changeset
322 }
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diff changeset
323 }
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diff changeset
324
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diff changeset
325 private static class GreedySizeBasedInliningPolicy implements InliningPolicy {
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diff changeset
326 @Override
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diff changeset
327 public boolean isWorthInlining(StructuredGraph callerGraph, InlineInfo info) {
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diff changeset
328 assert GraalOptions.ProbabilityAnalysis;
5040
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diff changeset
329 if (!checkCompiledCodeSize(info)) {
4594
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diff changeset
330 return false;
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diff changeset
331 }
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
332
5021
a7c079d5dc87 try to reduce MaximumGreedyInlineSize significantly
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5019
diff changeset
333 double maxSize = GraalOptions.MaximumGreedyInlineSize;
a7c079d5dc87 try to reduce MaximumGreedyInlineSize significantly
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5019
diff changeset
334 if (GraalOptions.InliningBonusPerTransferredValue != 0) {
6539
2463eb24b644 Cleanup of Graal API: Rename methods so that it follows the getXxx naming convention and so that they are similar to the names of the java.lang.reflect classes. Remove unused methods.
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6526
diff changeset
335 Signature signature = info.invoke.methodCallTarget().targetMethod().getSignature();
2463eb24b644 Cleanup of Graal API: Rename methods so that it follows the getXxx naming convention and so that they are similar to the names of the java.lang.reflect classes. Remove unused methods.
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6526
diff changeset
336 int transferredValues = signature.getParameterCount(!Modifier.isStatic(info.invoke.methodCallTarget().targetMethod().getModifiers()));
2463eb24b644 Cleanup of Graal API: Rename methods so that it follows the getXxx naming convention and so that they are similar to the names of the java.lang.reflect classes. Remove unused methods.
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6526
diff changeset
337 if (signature.getReturnKind() != Kind.Void) {
5021
a7c079d5dc87 try to reduce MaximumGreedyInlineSize significantly
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parents: 5019
diff changeset
338 transferredValues++;
a7c079d5dc87 try to reduce MaximumGreedyInlineSize significantly
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5019
diff changeset
339 }
a7c079d5dc87 try to reduce MaximumGreedyInlineSize significantly
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5019
diff changeset
340 maxSize += transferredValues * GraalOptions.InliningBonusPerTransferredValue;
a7c079d5dc87 try to reduce MaximumGreedyInlineSize significantly
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parents: 5019
diff changeset
341 }
a7c079d5dc87 try to reduce MaximumGreedyInlineSize significantly
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5019
diff changeset
342
4594
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diff changeset
343 double inlineRatio = Math.min(GraalOptions.ProbabilityCapForInlining, info.invoke.probability());
5021
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parents: 5019
diff changeset
344 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
345 maxSize = Math.max(maxSize, GraalOptions.MaximumTrivialSize);
5005
c2ebd3d559f7 fixed probabilities when polymorphic inlining is used
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diff changeset
346
5040
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diff changeset
347 return decideSizeBasedInlining(info, maxSize);
4594
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diff changeset
348 }
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Christian Haeubl <christian.haeubl@oracle.com>
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diff changeset
349 }
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
350
5040
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diff changeset
351 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
352 boolean success = info.weight <= maxSize;
4d6e5ddf70e5 added option to print the profiling information
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5021
diff changeset
353 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
354 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
355 Debug.log(formatterString, InliningUtil.methodName(info), info.weight, maxSize);
5040
4d6e5ddf70e5 added option to print the profiling information
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diff changeset
356 }
4d6e5ddf70e5 added option to print the profiling information
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5021
diff changeset
357 return success;
4d6e5ddf70e5 added option to print the profiling information
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5021
diff changeset
358 }
4d6e5ddf70e5 added option to print the profiling information
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5021
diff changeset
359
4d6e5ddf70e5 added option to print the profiling information
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5021
diff changeset
360 private static boolean checkCompiledCodeSize(InlineInfo info) {
4d6e5ddf70e5 added option to print the profiling information
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5021
diff changeset
361 if (GraalOptions.SmallCompiledCodeSize >= 0 && info.compiledCodeSize() > GraalOptions.SmallCompiledCodeSize) {
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
362 Debug.log("not inlining %s (CompiledCodeSize %d > %d)", InliningUtil.methodName(info), info.compiledCodeSize(), GraalOptions.SmallCompiledCodeSize);
5040
4d6e5ddf70e5 added option to print the profiling information
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5021
diff changeset
363 return false;
4d6e5ddf70e5 added option to print the profiling information
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5021
diff changeset
364 }
4d6e5ddf70e5 added option to print the profiling information
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5021
diff changeset
365 return true;
4d6e5ddf70e5 added option to print the profiling information
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5021
diff changeset
366 }
4d6e5ddf70e5 added option to print the profiling information
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5021
diff changeset
367
4d6e5ddf70e5 added option to print the profiling information
Christian Haeubl <christian.haeubl@oracle.com>
parents: 5021
diff changeset
368
4594
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Christian Haeubl <christian.haeubl@oracle.com>
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diff changeset
369 private interface WeightComputationPolicy {
5541
b4c406861c33 More renamings to drop Ri* prefix completely. Deleted graph.BitMap class and replaced with java.util.BitSet.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5540
diff changeset
370 double computeWeight(ResolvedJavaMethod caller, ResolvedJavaMethod method, Invoke invoke, boolean preferredInvoke);
4594
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parents: 4591
diff changeset
371 }
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
372
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
373 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
374 @Override
5541
b4c406861c33 More renamings to drop Ri* prefix completely. Deleted graph.BitMap class and replaced with java.util.BitSet.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5540
diff changeset
375 public double computeWeight(ResolvedJavaMethod caller, ResolvedJavaMethod method, Invoke invoke, boolean preferredInvoke) {
6539
2463eb24b644 Cleanup of Graal API: Rename methods so that it follows the getXxx naming convention and so that they are similar to the names of the java.lang.reflect classes. Remove unused methods.
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6526
diff changeset
376 double codeSize = method.getCodeSize();
4569
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 4564
diff changeset
377 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
378 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
379 }
333ce00358f4 added another inlining policy, added option to disable propagation of loop frequencies
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4564
diff changeset
380 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
381 }
333ce00358f4 added another inlining policy, added option to disable propagation of loop frequencies
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4564
diff changeset
382 }
333ce00358f4 added another inlining policy, added option to disable propagation of loop frequencies
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4564
diff changeset
383
4594
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
384 private static class ComplexityBasedWeightComputationPolicy implements WeightComputationPolicy {
4528
e6e14d25e608 added two inlining policies for comparison
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4469
diff changeset
385 @Override
5541
b4c406861c33 More renamings to drop Ri* prefix completely. Deleted graph.BitMap class and replaced with java.util.BitSet.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5540
diff changeset
386 public double computeWeight(ResolvedJavaMethod caller, ResolvedJavaMethod method, Invoke invoke, boolean preferredInvoke) {
6539
2463eb24b644 Cleanup of Graal API: Rename methods so that it follows the getXxx naming convention and so that they are similar to the names of the java.lang.reflect classes. Remove unused methods.
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6526
diff changeset
387 double complexity = method.getCompilationComplexity();
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 4469
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388 if (preferredInvoke) {
4594
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
diff changeset
389 complexity = complexity / GraalOptions.BoostInliningForEscapeAnalysis;
4528
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 4469
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390 }
4594
eb6df44a1374 bugfixes, added bytecode complexity estimation
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4591
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391 return complexity;
4528
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Christian Haeubl <christian.haeubl@oracle.com>
parents: 4469
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392 }
e6e14d25e608 added two inlining policies for comparison
Christian Haeubl <christian.haeubl@oracle.com>
parents: 4469
diff changeset
393 }
7063
0d7dfa5b79e8 merged inlining and intrinsification phases
Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
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394
0d7dfa5b79e8 merged inlining and intrinsification phases
Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
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395 private static class InliningIterator {
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
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396 private final FixedNode start;
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
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397 private final Collection<Invoke> invokes;
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
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398 private final NodeBitMap processedNodes;
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
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399
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
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400 private final Deque<FixedNode> nodeQueue;
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
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401 private final NodeBitMap queuedNodes;
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
402
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
403 public InliningIterator(FixedNode start, Collection<Invoke> invokes, NodeBitMap visitedFixedNodes) {
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
404 this.start = start;
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
405 this.invokes = invokes;
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
406 this.processedNodes = visitedFixedNodes;
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
407
0d7dfa5b79e8 merged inlining and intrinsification phases
Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
408 this.nodeQueue = new ArrayDeque<>();
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
409 this.queuedNodes = visitedFixedNodes.copy();
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
410
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
411 assert start.isAlive();
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
412 }
0d7dfa5b79e8 merged inlining and intrinsification phases
Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
413
0d7dfa5b79e8 merged inlining and intrinsification phases
Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
414 public void apply() {
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
415 FixedNode current = start;
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
416 do {
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
417 assert current.isAlive();
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
418 processedNodes.mark(current);
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
419
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
420 if (current instanceof InvokeWithExceptionNode || current instanceof InvokeNode) {
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
421 invoke((Invoke) current);
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
422 queueSuccessors(current);
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
423 current = nextQueuedNode();
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
424 } else if (current instanceof LoopBeginNode) {
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
425 current = ((LoopBeginNode) current).next();
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
426 assert current != null;
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
427 } else if (current instanceof LoopEndNode) {
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
428 current = nextQueuedNode();
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
429 } else if (current instanceof MergeNode) {
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
430 current = ((MergeNode) current).next();
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
431 assert current != null;
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
432 } else if (current instanceof FixedWithNextNode) {
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
433 queueSuccessors(current);
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
434 current = nextQueuedNode();
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
435 } else if (current instanceof EndNode) {
0d7dfa5b79e8 merged inlining and intrinsification phases
Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
436 queueMerge((EndNode) current);
0d7dfa5b79e8 merged inlining and intrinsification phases
Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
437 current = nextQueuedNode();
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
438 } else if (current instanceof DeoptimizeNode) {
0d7dfa5b79e8 merged inlining and intrinsification phases
Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
439 current = nextQueuedNode();
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
440 } else if (current instanceof ReturnNode) {
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
441 current = nextQueuedNode();
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
442 } else if (current instanceof UnwindNode) {
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
443 current = nextQueuedNode();
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
444 } else if (current instanceof ControlSplitNode) {
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
445 queueSuccessors(current);
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
446 current = nextQueuedNode();
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
447 } else {
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
448 assert false : current;
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
449 }
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
450 } while(current != null);
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
451 }
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
452
0d7dfa5b79e8 merged inlining and intrinsification phases
Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
453 private void queueSuccessors(FixedNode x) {
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
454 for (Node node : x.successors()) {
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
455 if (node != null && !queuedNodes.isMarked(node)) {
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
456 queuedNodes.mark(node);
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
457 nodeQueue.addFirst((FixedNode) node);
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
458 }
0d7dfa5b79e8 merged inlining and intrinsification phases
Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
459 }
0d7dfa5b79e8 merged inlining and intrinsification phases
Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
460 }
0d7dfa5b79e8 merged inlining and intrinsification phases
Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
461
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
462 private FixedNode nextQueuedNode() {
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
463 if (nodeQueue.isEmpty()) {
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
464 return null;
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
465 }
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
466
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
467 FixedNode result = nodeQueue.removeFirst();
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
468 assert queuedNodes.isMarked(result);
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
469 return result;
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
470 }
0d7dfa5b79e8 merged inlining and intrinsification phases
Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
471
0d7dfa5b79e8 merged inlining and intrinsification phases
Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
472 private void queueMerge(EndNode end) {
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
473 MergeNode merge = end.merge();
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
474 if (!queuedNodes.isMarked(merge) && visitedAllEnds(merge)) {
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
475 queuedNodes.mark(merge);
0d7dfa5b79e8 merged inlining and intrinsification phases
Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
476 nodeQueue.add(merge);
0d7dfa5b79e8 merged inlining and intrinsification phases
Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
477 }
0d7dfa5b79e8 merged inlining and intrinsification phases
Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
478 }
0d7dfa5b79e8 merged inlining and intrinsification phases
Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
479
0d7dfa5b79e8 merged inlining and intrinsification phases
Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
480 private boolean visitedAllEnds(MergeNode merge) {
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
481 for (int i = 0; i < merge.forwardEndCount(); i++) {
0d7dfa5b79e8 merged inlining and intrinsification phases
Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
482 if (!processedNodes.isMarked(merge.forwardEndAt(i))) {
0d7dfa5b79e8 merged inlining and intrinsification phases
Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
483 return false;
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
484 }
0d7dfa5b79e8 merged inlining and intrinsification phases
Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
485 }
0d7dfa5b79e8 merged inlining and intrinsification phases
Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
486 return true;
0d7dfa5b79e8 merged inlining and intrinsification phases
Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
487 }
0d7dfa5b79e8 merged inlining and intrinsification phases
Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
488
0d7dfa5b79e8 merged inlining and intrinsification phases
Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
489 protected void invoke(Invoke invoke) {
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Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
490 invokes.add(invoke);
0d7dfa5b79e8 merged inlining and intrinsification phases
Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
491 }
0d7dfa5b79e8 merged inlining and intrinsification phases
Christian Haeubl <haeubl@ssw.jku.at>
parents: 6539
diff changeset
492 }
3733
e233f5660da4 Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
493 }