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annotate graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/node/SpecializationGroup.java @ 11201:7fc3e1fb3965

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Truffle-DSL: specialization group fixes.
author Christian Humer <christian.humer@gmail.com>
date Mon, 05 Aug 2013 19:50:34 +0200
parents 4f52b08bd2f9
children 2868b55001d4
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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<TypeGuard> 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(new TypeGuard(sig.get(i), i - 1));
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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<TypeGuard> 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 public TypeGuard findTypeGuard(int signatureIndex) {
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68 for (TypeGuard guard : typeGuards) {
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69 if (guard.getSignatureIndex() == signatureIndex) {
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70 return guard;
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71 }
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72 }
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73 return null;
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74 }
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75
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76 public GuardData getElseConnectableGuard() {
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77 if (!getTypeGuards().isEmpty() || !getAssumptions().isEmpty()) {
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78 return null;
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79 }
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80 SpecializationGroup previousGroup = getPreviousGroup();
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81 if (previousGroup != null && getGuards().size() >= 1 && previousGroup.getGuards().size() == 1) {
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82 GuardData guard = getGuards().get(0);
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83 GuardData previousGuard = previousGroup.getGuards().get(0);
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84
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85 if (guard.getMethod().equals(previousGuard.getMethod())) {
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86 assert guard.isNegated() != previousGuard.isNegated();
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87 return guard;
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88 }
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89 }
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90 return null;
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91 }
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92
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93 private void updateChildren(List<SpecializationGroup> childs) {
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94 if (!children.isEmpty()) {
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95 children.clear();
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96 }
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97 this.children.addAll(childs);
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98 for (SpecializationGroup child : childs) {
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99 child.parent = this;
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100 }
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101 }
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102
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103 public SpecializationGroup getParent() {
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104 return parent;
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105 }
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106
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107 public List<String> getAssumptions() {
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108 return assumptions;
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109 }
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110
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111 public List<TypeGuard> getTypeGuards() {
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112 return typeGuards;
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113 }
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114
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115 public List<GuardData> getGuards() {
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116 return guards;
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117 }
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118
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119 public List<SpecializationGroup> getChildren() {
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120 return children;
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121 }
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122
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123 public SpecializationData getSpecialization() {
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124 return specialization;
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125 }
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126
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127 private static SpecializationGroup combine(List<SpecializationGroup> groups) {
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128 if (groups.isEmpty()) {
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129 throw new IllegalArgumentException("empty combinations");
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130 }
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131 if (groups.size() == 1) {
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parents:
diff changeset
132 return null;
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
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
135 List<String> assumptionMatches = new ArrayList<>();
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diff changeset
136 List<TypeGuard> typeGuardsMatches = new ArrayList<>();
11195
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parents:
diff changeset
137 List<GuardData> guardMatches = new ArrayList<>();
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
138
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
139 SpecializationGroup first = groups.get(0);
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
140 List<SpecializationGroup> others = groups.subList(1, groups.size());
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
141
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
142 outer: for (String assumption : first.assumptions) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
143 for (SpecializationGroup other : others) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
144 if (!other.assumptions.contains(assumption)) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
145 // assumptions can be combined unordered
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
146 continue outer;
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 assumptionMatches.add(assumption);
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
150 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
151
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diff changeset
152 outer: for (TypeGuard typeGuard : first.typeGuards) {
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parents:
diff changeset
153 for (SpecializationGroup other : others) {
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diff changeset
154 if (!other.typeGuards.contains(typeGuard)) {
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diff changeset
155 // type guards can be combined unordered
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
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diff changeset
156 continue outer;
11195
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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 typeGuardsMatches.add(typeGuard);
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Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
160 }
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 outer: for (GuardData guard : first.guards) {
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Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
163 for (SpecializationGroup other : others) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
164 if (!other.guards.contains(guard)) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
165 // we must break here. One guard may depend on the other.
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Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
166 break outer;
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 guardMatches.add(guard);
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
170 }
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 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
173 return null;
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
174 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
175
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
176 for (SpecializationGroup group : groups) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
177 group.assumptions.removeAll(assumptionMatches);
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diff changeset
178 group.typeGuards.removeAll(typeGuardsMatches);
11195
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parents:
diff changeset
179 group.guards.removeAll(guardMatches);
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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
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
182 List<SpecializationGroup> newChildren = new ArrayList<>(groups);
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
183 return new SpecializationGroup(newChildren, assumptionMatches, typeGuardsMatches, guardMatches);
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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
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diff changeset
186 public static SpecializationGroup create(List<SpecializationData> specializations) {
11195
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187 List<SpecializationGroup> groups = new ArrayList<>();
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
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parents:
diff changeset
188 for (SpecializationData specialization : specializations) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
189 groups.add(new SpecializationGroup(specialization));
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
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parents:
diff changeset
190 }
11201
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diff changeset
191 return new SpecializationGroup(createCombinationalGroups(groups), Collections.<String> emptyList(), Collections.<TypeGuard> emptyList(), Collections.<GuardData> emptyList());
11195
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diff changeset
192 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
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193
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
194 @Override
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Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
195 public String toString() {
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Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
196 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
197 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
198
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
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parents:
diff changeset
199 private static List<SpecializationGroup> createCombinationalGroups(List<SpecializationGroup> groups) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
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parents:
diff changeset
200 if (groups.size() <= 1) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
201 return groups;
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
202 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
203 List<SpecializationGroup> newGroups = new ArrayList<>();
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
204
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
205 int i = 0;
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
206 for (i = 0; i < groups.size();) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
207 SpecializationGroup combined = null;
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
208 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
209 combined = combine(groups.subList(i, j));
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
210 if (combined != null) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
211 break;
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
212 }
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 SpecializationGroup newGroup;
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
215 if (combined == null) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
216 newGroup = groups.get(i);
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
217 i++;
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
218 } else {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
219 newGroup = combined;
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
220 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
221 combined.updateChildren(createCombinationalGroups(originalGroups));
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
222 i += originalGroups.size();
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
223 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
224
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
225 newGroups.add(newGroup);
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 }
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 return newGroups;
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
230 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
231
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
232 public SpecializationGroup getPreviousGroup() {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
233 if (parent == null || parent.children.isEmpty()) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
234 return null;
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
235 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
236 int index = parent.children.indexOf(this);
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
237 if (index <= 0) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
238 return null;
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 return parent.children.get(index - 1);
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
241 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
242
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
243 public int getMaxSpecializationIndex() {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
244 if (specialization != null) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
245 return specialization.getNode().getSpecializations().indexOf(specialization);
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
246 } else {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
247 int max = Integer.MIN_VALUE;
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
248 for (SpecializationGroup childGroup : getChildren()) {
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
249 max = Math.max(max, childGroup.getMaxSpecializationIndex());
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
250 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
251 return max;
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
252 }
4f52b08bd2f9 Truffle-DSL: Implemented specialization grouping for generic cases.
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
253 }
11201
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diff changeset
254
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
255 public static final class TypeGuard {
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
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parents: 11195
diff changeset
256
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
257 private final int signatureIndex;
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
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parents: 11195
diff changeset
258 private final TypeData type;
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
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diff changeset
259
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
260 public TypeGuard(TypeData type, int signatureIndex) {
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
261 this.type = type;
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
262 this.signatureIndex = signatureIndex;
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
263 }
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
264
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
Christian Humer <christian.humer@gmail.com>
parents: 11195
diff changeset
265 @Override
7fc3e1fb3965 Truffle-DSL: specialization group fixes.
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266 public int hashCode() {
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267 final int prime = 31;
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268 int result = 1;
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269 result = prime * result + signatureIndex;
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270 result = prime * result + type.hashCode();
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271 return result;
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272 }
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273
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274 @Override
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275 public boolean equals(Object obj) {
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276 if (this == obj) {
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277 return true;
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278 } else if (obj == null) {
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279 return false;
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280 } else if (getClass() != obj.getClass()) {
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281 return false;
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282 }
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283
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284 TypeGuard other = (TypeGuard) obj;
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285 if (signatureIndex != other.signatureIndex) {
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286 return false;
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287 } else if (!type.equals(other.type)) {
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288 return false;
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289 }
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290 return true;
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291 }
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292
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293 public int getSignatureIndex() {
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294 return signatureIndex;
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295 }
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296
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297 public TypeData getType() {
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298 return type;
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299 }
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300 }
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301 }