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annotate graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/node/SpecializationGroup.java @ 11195:4f52b08bd2f9

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Truffle-DSL: Implemented specialization grouping for generic cases.
author Christian Humer <christian.humer@gmail.com>
date Thu, 01 Aug 2013 20:53:54 +0200
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children 7fc3e1fb3965
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11195
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1 /*
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2 * Copyright (c) 2012, 2012, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.truffle.dsl.processor.node;
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24
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25 import java.util.*;
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26
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27 import com.oracle.truffle.dsl.processor.template.TemplateMethod.Signature;
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28 import com.oracle.truffle.dsl.processor.typesystem.*;
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29
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30 /**
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31 * Class creates groups of specializations to optimize the layout of generated executeAndSpecialize
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32 * and generic execute methods.
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33 */
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34 public final class SpecializationGroup {
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35
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36 private final List<String> assumptions;
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37 private final List<TypeData> typeGuards;
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38 private final List<GuardData> guards;
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39
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40 private final SpecializationData specialization;
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41 private final List<SpecializationGroup> children = new ArrayList<>();
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42
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43 private SpecializationGroup parent;
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44
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45 private SpecializationGroup(SpecializationData data) {
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46 this.assumptions = new ArrayList<>();
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47 this.typeGuards = new ArrayList<>();
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48 this.guards = new ArrayList<>();
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49 this.specialization = data;
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50
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51 this.assumptions.addAll(data.getAssumptions());
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52 Signature sig = data.getSignature();
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53 for (int i = 1; i < sig.size(); i++) {
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54 typeGuards.add(sig.get(i));
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55 }
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56 this.guards.addAll(data.getGuards());
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57 }
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58
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59 public SpecializationGroup(List<SpecializationGroup> children, List<String> assumptionMatches, List<TypeData> typeGuardsMatches, List<GuardData> guardMatches) {
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60 this.assumptions = assumptionMatches;
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61 this.typeGuards = typeGuardsMatches;
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62 this.guards = guardMatches;
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63 this.specialization = null;
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64 updateChildren(children);
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65 }
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66
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67 private void updateChildren(List<SpecializationGroup> childs) {
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68 if (!children.isEmpty()) {
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69 children.clear();
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70 }
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71 this.children.addAll(childs);
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72 for (SpecializationGroup child : childs) {
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73 child.parent = this;
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74 }
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75 }
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76
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77 public int getTypeGuardOffset() {
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78 return (parent != null ? parent.getTypeGuardOffsetRec() : 0);
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79 }
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80
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81 private int getTypeGuardOffsetRec() {
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82 return typeGuards.size() + (parent != null ? parent.getTypeGuardOffsetRec() : 0);
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83 }
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84
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85 public SpecializationGroup getParent() {
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86 return parent;
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87 }
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88
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89 public List<String> getAssumptions() {
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90 return assumptions;
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91 }
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92
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93 public List<TypeData> getTypeGuards() {
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94 return typeGuards;
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95 }
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96
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97 public List<GuardData> getGuards() {
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98 return guards;
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99 }
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100
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101 public List<SpecializationGroup> getChildren() {
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102 return children;
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103 }
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104
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105 public SpecializationData getSpecialization() {
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106 return specialization;
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107 }
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108
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109 private static SpecializationGroup combine(List<SpecializationGroup> groups) {
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110 if (groups.isEmpty()) {
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111 throw new IllegalArgumentException("empty combinations");
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112 }
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113 if (groups.size() == 1) {
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114 return null;
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115 }
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116
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117 List<String> assumptionMatches = new ArrayList<>();
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118 List<TypeData> typeGuardsMatches = new ArrayList<>();
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119 List<GuardData> guardMatches = new ArrayList<>();
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120
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121 SpecializationGroup first = groups.get(0);
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122 List<SpecializationGroup> others = groups.subList(1, groups.size());
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123
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124 outer: for (String assumption : first.assumptions) {
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125 for (SpecializationGroup other : others) {
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126 if (!other.assumptions.contains(assumption)) {
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127 // assumptions can be combined unordered
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128 continue outer;
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129 }
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130 }
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parents:
diff changeset
131 assumptionMatches.add(assumption);
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
132 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
133
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
134 int typeGuardIndex = 0;
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
135 outer: for (TypeData typeGuard : first.typeGuards) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
136 for (SpecializationGroup other : others) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
137 if (typeGuardIndex >= other.typeGuards.size()) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
138 break outer;
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
139 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
140
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
141 if (!other.typeGuards.get(typeGuardIndex).equals(typeGuard)) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
142 break outer;
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
143 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
144 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
145 typeGuardsMatches.add(typeGuard);
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
146 typeGuardIndex++;
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
147 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
148
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
149 outer: for (GuardData guard : first.guards) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
150 for (SpecializationGroup other : others) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
151 if (!other.guards.contains(guard)) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
152 // we must break here. One guard may depend on the other.
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
153 break outer;
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
154 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
155 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
156 guardMatches.add(guard);
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
157 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
158
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
159 if (assumptionMatches.isEmpty() && typeGuardsMatches.isEmpty() && guardMatches.isEmpty()) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
160 return null;
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
161 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
162
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
163 for (SpecializationGroup group : groups) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
164 group.assumptions.removeAll(assumptionMatches);
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
165 group.typeGuards.subList(0, typeGuardIndex).clear();
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
166 group.guards.removeAll(guardMatches);
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
167 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
168
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
169 List<SpecializationGroup> newChildren = new ArrayList<>(groups);
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
170 return new SpecializationGroup(newChildren, assumptionMatches, typeGuardsMatches, guardMatches);
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
171 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
172
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
173 public static List<SpecializationGroup> create(List<SpecializationData> specializations) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
174 List<SpecializationGroup> groups = new ArrayList<>();
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
175 for (SpecializationData specialization : specializations) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
176 groups.add(new SpecializationGroup(specialization));
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
177 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
178 return createCombinationalGroups(groups);
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
179 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
180
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
181 @Override
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
182 public String toString() {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
183 return "SpecializationGroup [assumptions=" + assumptions + ", typeGuards=" + typeGuards + ", guards=" + guards + "]";
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
184 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
185
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
186 private static List<SpecializationGroup> createCombinationalGroups(List<SpecializationGroup> groups) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
187 if (groups.size() <= 1) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
188 return groups;
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
189 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
190 List<SpecializationGroup> newGroups = new ArrayList<>();
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
191
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
192 int i = 0;
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
193 for (i = 0; i < groups.size();) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
194 SpecializationGroup combined = null;
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
195 for (int j = groups.size(); j > i + 1; j--) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
196 combined = combine(groups.subList(i, j));
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
197 if (combined != null) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
198 break;
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
199 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
200 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
201 SpecializationGroup newGroup;
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
202 if (combined == null) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
203 newGroup = groups.get(i);
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
204 i++;
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
205 } else {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
206 newGroup = combined;
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
207 List<SpecializationGroup> originalGroups = new ArrayList<>(combined.children);
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
208 combined.updateChildren(createCombinationalGroups(originalGroups));
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
209 i += originalGroups.size();
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
210 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
211
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
212 newGroups.add(newGroup);
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
213
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
214 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
215
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
216 return newGroups;
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
217 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
218
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
219 public SpecializationGroup getPreviousGroup() {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
220 if (parent == null || parent.children.isEmpty()) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
221 return null;
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
222 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
223 int index = parent.children.indexOf(this);
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
224 if (index <= 0) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
225 return null;
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
226 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
227 return parent.children.get(index - 1);
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
228 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
229
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
230 public int getMaxSpecializationIndex() {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
231 if (specialization != null) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
232 return specialization.getNode().getSpecializations().indexOf(specialization);
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
233 } else {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
234 int max = Integer.MIN_VALUE;
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
235 for (SpecializationGroup childGroup : getChildren()) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
236 max = Math.max(max, childGroup.getMaxSpecializationIndex());
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
237 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
238 return max;
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
239 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
240 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
241 }