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annotate graal/com.oracle.graal.snippets/src/com/oracle/graal/snippets/SnippetTemplate.java @ 6534:feb579677b58

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SnippetTemplate must not depend on CodeCacheProvider (only on MetaAccessProvider). This means that the hasSideEffect flag of a RuntimeCall must be already fixed in the RuntimeCall.Descriptor to avoid a lookup of the actual RuntimeCall using the CodeCacheProvider.
author Christian Wimmer <christian.wimmer@oracle.com>
date Mon, 08 Oct 2012 19:34:32 -0700
parents ee651c726397
children 2463eb24b644
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright (c) 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.graal.snippets;
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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.Map.Entry;
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28 import java.util.concurrent.*;
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29
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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.graph.*;
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33 import com.oracle.graal.loop.*;
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34 import com.oracle.graal.nodes.*;
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35 import com.oracle.graal.nodes.calc.*;
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36 import com.oracle.graal.nodes.extended.*;
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37 import com.oracle.graal.nodes.java.*;
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38 import com.oracle.graal.nodes.type.*;
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39 import com.oracle.graal.nodes.util.*;
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40 import com.oracle.graal.phases.common.*;
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41 import com.oracle.graal.snippets.Snippet.ConstantParameter;
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42 import com.oracle.graal.snippets.Snippet.Parameter;
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43 import com.oracle.graal.snippets.Snippet.Varargs;
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44 import com.oracle.graal.snippets.Snippet.VarargsParameter;
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45 import com.oracle.graal.snippets.nodes.*;
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46
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47 /**
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48 * A snippet template is a graph created by parsing a snippet method and then
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49 * specialized by binding constants to the snippet's {@link ConstantParameter} parameters.
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50 *
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51 * Snippet templates can be managed in a {@link Cache}.
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52 */
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53 public class SnippetTemplate {
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54
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55 /**
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56 * A snippet template key encapsulates the method from which a snippet was built
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57 * and the arguments used to specialized the snippet.
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58 *
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59 * @see Cache
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60 */
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61 public static class Key implements Iterable<Map.Entry<String, Object>> {
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62 public final ResolvedJavaMethod method;
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63 private final HashMap<String, Object> map = new HashMap<>();
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64 private int hash;
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65
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66 public Key(ResolvedJavaMethod method) {
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67 this.method = method;
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68 this.hash = method.hashCode();
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69 }
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70
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71 public Key add(String name, Object value) {
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72 assert !map.containsKey(name);
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73 map.put(name, value);
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74 hash = hash ^ name.hashCode();
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75 if (value != null) {
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76 hash *= (value.hashCode() + 1);
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77 }
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78 return this;
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79 }
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80
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81 public int length() {
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82 return map.size();
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83 }
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84
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85 public Object get(String name) {
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86 return map.get(name);
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87 }
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88
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89 @Override
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90 public Iterator<Entry<String, Object>> iterator() {
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91 return map.entrySet().iterator();
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92 }
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93
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94 @Override
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95 public boolean equals(Object obj) {
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96 if (obj instanceof Key) {
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97 Key other = (Key) obj;
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98 return other.method == method && other.map.equals(map);
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99 }
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100 return false;
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101 }
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102
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103 @Override
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104 public int hashCode() {
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105 return hash;
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106 }
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107
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108 @Override
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109 public String toString() {
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110 return MetaUtil.format("%h.%n", method) + map.toString();
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111 }
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112
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113 public Set<String> names() {
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114 return map.keySet();
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115 }
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116 }
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117
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118 /**
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119 * Arguments used to instantiate a template.
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120 */
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121 public static class Arguments implements Iterable<Map.Entry<String, Object>> {
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122 private final HashMap<String, Object> map = new HashMap<>();
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123
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124 public static Arguments arguments(String name, Object value) {
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125 return new Arguments().add(name, value);
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126 }
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127
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128 public Arguments add(String name, Object value) {
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129 assert !map.containsKey(name);
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130 map.put(name, value);
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131 return this;
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132 }
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133
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134 public int length() {
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135 return map.size();
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136 }
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137
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138 @Override
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139 public Iterator<Entry<String, Object>> iterator() {
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140 return map.entrySet().iterator();
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141 }
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142
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143 @Override
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144 public String toString() {
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145 return map.toString();
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146 }
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147 }
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148
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149 /**
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150 * A collection of snippet templates accessed by a {@link Key} instance.
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151 */
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152 public static class Cache {
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153
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154 private final ConcurrentHashMap<SnippetTemplate.Key, SnippetTemplate> templates = new ConcurrentHashMap<>();
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155 private final MetaAccessProvider runtime;
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156
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157
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158 public Cache(MetaAccessProvider runtime) {
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159 this.runtime = runtime;
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160 }
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161
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162 /**
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163 * Gets a template for a given key, creating it first if necessary.
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164 */
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165 public SnippetTemplate get(final SnippetTemplate.Key key) {
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166 SnippetTemplate template = templates.get(key);
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167 if (template == null) {
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168 template = Debug.scope("SnippetSpecialization", key.method, new Callable<SnippetTemplate>() {
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169 @Override
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170 public SnippetTemplate call() throws Exception {
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171 return new SnippetTemplate(runtime, key);
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172 }
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173 });
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174 //System.out.println(key + " -> " + template);
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175 templates.put(key, template);
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176 }
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177 return template;
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178 }
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179 }
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180
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181 public abstract static class AbstractTemplates<T extends SnippetsInterface> {
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182 protected final Cache cache;
6534
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183 protected final MetaAccessProvider runtime;
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184 protected Class<T> snippetsClass;
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185 public AbstractTemplates(MetaAccessProvider runtime, Class<T> snippetsClass) {
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186 this.runtime = runtime;
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187 this.snippetsClass = snippetsClass;
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188 this.cache = new Cache(runtime);
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189 }
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190
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191 protected ResolvedJavaMethod snippet(String name, Class<?>... parameterTypes) {
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192 try {
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193 ResolvedJavaMethod snippet = runtime.getResolvedJavaMethod(snippetsClass.getDeclaredMethod(name, parameterTypes));
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194 assert snippet.getAnnotation(Snippet.class) != null : "snippet is not annotated with @" + Snippet.class.getSimpleName();
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195 return snippet;
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196 } catch (NoSuchMethodException e) {
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197 throw new GraalInternalError(e);
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198 }
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199 }
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200 }
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201
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202 /**
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203 * Determines if any parameter of a given method is annotated with {@link ConstantParameter}.
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204 */
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205 public static boolean hasConstantParameter(ResolvedJavaMethod method) {
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206 for (ConstantParameter p : MetaUtil.getParameterAnnotations(ConstantParameter.class, method)) {
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207 if (p != null) {
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208 return true;
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209 }
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210 }
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diff changeset
211 return false;
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212 }
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213
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diff changeset
214 /**
5428
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215 * Creates a snippet template.
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216 */
6534
feb579677b58 SnippetTemplate must not depend on CodeCacheProvider (only on MetaAccessProvider). This means that the hasSideEffect flag of a RuntimeCall must be already fixed in the RuntimeCall.Descriptor to avoid a lookup of the actual RuntimeCall using the CodeCacheProvider.
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diff changeset
217 public SnippetTemplate(MetaAccessProvider runtime, SnippetTemplate.Key key) {
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>
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diff changeset
218 ResolvedJavaMethod method = key.method;
5481
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diff changeset
219 assert Modifier.isStatic(method.accessFlags()) : "snippet method must be static: " + method;
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
220 Signature signature = method.signature();
5428
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221
5760
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diff changeset
222 // Copy snippet graph, replacing constant parameters with given arguments
5481
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diff changeset
223 StructuredGraph snippetGraph = (StructuredGraph) method.compilerStorage().get(Graph.class);
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diff changeset
224 StructuredGraph snippetCopy = new StructuredGraph(snippetGraph.name, snippetGraph.method());
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diff changeset
225 IdentityHashMap<Node, Node> replacements = new IdentityHashMap<>();
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diff changeset
226 replacements.put(snippetGraph.start(), snippetCopy.start());
5428
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227
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diff changeset
228 int parameterCount = signature.argumentCount(false);
6302
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diff changeset
229 assert checkTemplate(key, parameterCount, method, signature);
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diff changeset
230
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diff changeset
231 Parameter[] parameterAnnotations = new Parameter[parameterCount];
6302
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diff changeset
232 VarargsParameter[] varargsParameterAnnotations = new VarargsParameter[parameterCount];
5482
9f4783c0269e folded -G:+CheckcastCounters functionality into checkcast snippets
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diff changeset
233 ConstantNode[] placeholders = new ConstantNode[parameterCount];
5481
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Doug Simon <doug.simon@oracle.com>
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diff changeset
234 for (int i = 0; i < parameterCount; i++) {
5719
429accae15aa moved some methods from CodeUtil to MetaUtil
Doug Simon <doug.simon@oracle.com>
parents: 5681
diff changeset
235 ConstantParameter c = MetaUtil.getParameterAnnotation(ConstantParameter.class, i, method);
5481
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diff changeset
236 if (c != null) {
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diff changeset
237 String name = c.value();
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diff changeset
238 Object arg = key.get(name);
5540
a891c53a295b Renaming RiKind => Kind.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5538
diff changeset
239 Kind kind = signature.argumentKindAt(i);
5572
8f9c9d372e31 small renaming and doc fixes
Lukas Stadler <lukas.stadler@jku.at>
parents: 5547
diff changeset
240 replacements.put(snippetGraph.getLocal(i), ConstantNode.forConstant(Constant.forBoxed(kind, arg), runtime, snippetCopy));
5481
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diff changeset
241 } else {
6302
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diff changeset
242 VarargsParameter vp = MetaUtil.getParameterAnnotation(VarargsParameter.class, i, method);
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diff changeset
243 if (vp != null) {
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Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
244 String name = vp.value();
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Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
245 Object array = ((Varargs) key.get(name)).array;
5482
9f4783c0269e folded -G:+CheckcastCounters functionality into checkcast snippets
Doug Simon <doug.simon@oracle.com>
parents: 5481
diff changeset
246 ConstantNode placeholder = ConstantNode.forObject(array, runtime, snippetCopy);
9f4783c0269e folded -G:+CheckcastCounters functionality into checkcast snippets
Doug Simon <doug.simon@oracle.com>
parents: 5481
diff changeset
247 replacements.put(snippetGraph.getLocal(i), placeholder);
9f4783c0269e folded -G:+CheckcastCounters functionality into checkcast snippets
Doug Simon <doug.simon@oracle.com>
parents: 5481
diff changeset
248 placeholders[i] = placeholder;
6302
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diff changeset
249 varargsParameterAnnotations[i] = vp;
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diff changeset
250 } else {
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parents: 5760
diff changeset
251 parameterAnnotations[i] = MetaUtil.getParameterAnnotation(Parameter.class, i, method);
5428
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
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parents:
diff changeset
252 }
5481
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diff changeset
253 }
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
254 }
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
255 snippetCopy.addDuplicates(snippetGraph.getNodes(), replacements);
5428
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
256
5481
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
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parents: 5467
diff changeset
257 Debug.dump(snippetCopy, "Before specialization");
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
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parents: 5467
diff changeset
258 if (!replacements.isEmpty()) {
5760
87e8baf5447c added snippets for lowering array creation and initialization (in NewObjectSnippets)
Doug Simon <doug.simon@oracle.com>
parents: 5719
diff changeset
259 // Do deferred intrinsification of node intrinsics
87e8baf5447c added snippets for lowering array creation and initialization (in NewObjectSnippets)
Doug Simon <doug.simon@oracle.com>
parents: 5719
diff changeset
260 new SnippetIntrinsificationPhase(runtime, new BoxingMethodPool(runtime), false).apply(snippetCopy);
87e8baf5447c added snippets for lowering array creation and initialization (in NewObjectSnippets)
Doug Simon <doug.simon@oracle.com>
parents: 5719
diff changeset
261
5481
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
262 new CanonicalizerPhase(null, runtime, null, 0, null).apply(snippetCopy);
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parents: 5467
diff changeset
263 }
5466
af07e798947d lifted fast subtype check into checkcast snippets
Doug Simon <doug.simon@oracle.com>
parents: 5428
diff changeset
264
5481
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
265 // Gather the template parameters
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Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
266 parameters = new HashMap<>();
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Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
267 for (int i = 0; i < parameterCount; i++) {
6302
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parents: 5760
diff changeset
268 VarargsParameter vp = varargsParameterAnnotations[i];
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parents: 5760
diff changeset
269 if (vp != null) {
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parents: 5760
diff changeset
270 assert snippetCopy.getLocal(i) == null;
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parents: 5760
diff changeset
271 Object array = ((Varargs) key.get(vp.value())).array;
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parents: 5760
diff changeset
272 int length = Array.getLength(array);
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Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
273 LocalNode[] locals = new LocalNode[length];
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Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
274 Stamp stamp = StampFactory.forKind(runtime.getResolvedJavaType(array.getClass().getComponentType()).kind());
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parents: 5760
diff changeset
275 for (int j = 0; j < length; j++) {
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parents: 5760
diff changeset
276 assert (parameterCount & 0xFFFF) == parameterCount;
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Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
277 int idx = i << 16 | j;
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parents: 5760
diff changeset
278 LocalNode local = snippetCopy.unique(new LocalNode(idx, stamp));
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parents: 5760
diff changeset
279 locals[j] = local;
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parents: 5760
diff changeset
280 }
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Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
281 parameters.put(vp.value(), locals);
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parents: 5760
diff changeset
282
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Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
283 ConstantNode placeholder = placeholders[i];
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parents: 5760
diff changeset
284 assert placeholder != null;
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Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
285 for (Node usage : placeholder.usages().snapshot()) {
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Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
286 if (usage instanceof LoadIndexedNode) {
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
287 LoadIndexedNode loadIndexed = (LoadIndexedNode) usage;
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
288 Debug.dump(snippetCopy, "Before replacing %s", loadIndexed);
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
289 LoadSnippetVarargParameterNode loadSnippetParameter = snippetCopy.add(new LoadSnippetVarargParameterNode(locals, loadIndexed.index(), loadIndexed.stamp()));
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Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
290 snippetCopy.replaceFixedWithFixed(loadIndexed, loadSnippetParameter);
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
291 Debug.dump(snippetCopy, "After replacing %s", loadIndexed);
5482
9f4783c0269e folded -G:+CheckcastCounters functionality into checkcast snippets
Doug Simon <doug.simon@oracle.com>
parents: 5481
diff changeset
292 }
6302
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diff changeset
293 }
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Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
294 } else {
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
295 Parameter p = parameterAnnotations[i];
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
296 if (p != null) {
5482
9f4783c0269e folded -G:+CheckcastCounters functionality into checkcast snippets
Doug Simon <doug.simon@oracle.com>
parents: 5481
diff changeset
297 LocalNode local = snippetCopy.getLocal(i);
9f4783c0269e folded -G:+CheckcastCounters functionality into checkcast snippets
Doug Simon <doug.simon@oracle.com>
parents: 5481
diff changeset
298 assert local != null;
9f4783c0269e folded -G:+CheckcastCounters functionality into checkcast snippets
Doug Simon <doug.simon@oracle.com>
parents: 5481
diff changeset
299 parameters.put(p.value(), local);
5428
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Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
300 }
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
301 }
5481
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diff changeset
302 }
5428
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Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
303
5481
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Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
304 // Do any required loop explosion
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Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
305 boolean exploded = false;
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Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
306 do {
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
307 exploded = false;
5490
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 5489 5482
diff changeset
308 ExplodeLoopNode explodeLoop = snippetCopy.getNodes().filter(ExplodeLoopNode.class).first();
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 5489 5482
diff changeset
309 if (explodeLoop != null) { // Earlier canonicalization may have removed the loop altogether
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 5489 5482
diff changeset
310 LoopBeginNode loopBegin = explodeLoop.findLoopBegin();
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 5489 5482
diff changeset
311 if (loopBegin != null) {
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 5489 5482
diff changeset
312 LoopEx loop = new LoopsData(snippetCopy).loop(loopBegin);
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 5489 5482
diff changeset
313 int mark = snippetCopy.getMark();
5681
7482f7d08455 Don't try to fold conditions when there is no runtime available
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 5670
diff changeset
314 LoopTransformations.fullUnroll(loop, runtime);
5490
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 5489 5482
diff changeset
315 new CanonicalizerPhase(null, runtime, null, mark, null).apply(snippetCopy);
5481
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
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parents: 5467
diff changeset
316 }
5490
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 5489 5482
diff changeset
317 FixedNode explodeLoopNext = explodeLoop.next();
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 5489 5482
diff changeset
318 explodeLoop.clearSuccessors();
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 5489 5482
diff changeset
319 explodeLoop.replaceAtPredecessor(explodeLoopNext);
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 5489 5482
diff changeset
320 explodeLoop.replaceAtUsages(null);
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 5489 5482
diff changeset
321 GraphUtil.killCFG(explodeLoop);
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 5489 5482
diff changeset
322 exploded = true;
5481
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
323 }
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
324 } while (exploded);
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
325
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
326 // Remove all frame states from inlined snippet graph. Snippets must be atomic (i.e. free
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
327 // of side-effects that prevent deoptimizing to a point before the snippet).
6408
e5768e936147 Allow snippets to inherit the stateAfter and stamp from the replacee
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6407
diff changeset
328 Node curSideEffectNode = null;
e5768e936147 Allow snippets to inherit the stateAfter and stamp from the replacee
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6407
diff changeset
329 Node curStampNode = null;
5481
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
330 for (Node node : snippetCopy.getNodes()) {
6408
e5768e936147 Allow snippets to inherit the stateAfter and stamp from the replacee
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6407
diff changeset
331 if (node instanceof ValueNode && ((ValueNode) node).stamp() == StampFactory.forNodeIntrinsic()) {
6496
16d1411409b4 moved AMD64 specific code into com.oracle.graal.compiler.amd64
Doug Simon <doug.simon@oracle.com>
parents: 6449
diff changeset
332 assert curStampNode == null : "Currently limited to one stamp node (but this can be converted to a List if necessary)";
6408
e5768e936147 Allow snippets to inherit the stateAfter and stamp from the replacee
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6407
diff changeset
333 curStampNode = node;
e5768e936147 Allow snippets to inherit the stateAfter and stamp from the replacee
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6407
diff changeset
334 }
5481
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
335 if (node instanceof StateSplit) {
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
336 StateSplit stateSplit = (StateSplit) node;
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
337 FrameState frameState = stateSplit.stateAfter();
6534
feb579677b58 SnippetTemplate must not depend on CodeCacheProvider (only on MetaAccessProvider). This means that the hasSideEffect flag of a RuntimeCall must be already fixed in the RuntimeCall.Descriptor to avoid a lookup of the actual RuntimeCall using the CodeCacheProvider.
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6526
diff changeset
338 if (stateSplit.hasSideEffect()) {
6408
e5768e936147 Allow snippets to inherit the stateAfter and stamp from the replacee
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6407
diff changeset
339 assert curSideEffectNode == null : "Currently limited to one side-effecting node (but this can be converted to a List if necessary)";
e5768e936147 Allow snippets to inherit the stateAfter and stamp from the replacee
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6407
diff changeset
340 curSideEffectNode = node;
e5768e936147 Allow snippets to inherit the stateAfter and stamp from the replacee
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6407
diff changeset
341 }
5481
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
342 if (frameState != null) {
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
343 stateSplit.setStateAfter(null);
5428
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
344 }
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
345 }
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
346 }
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
347
5481
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
348 new DeadCodeEliminationPhase().apply(snippetCopy);
5428
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
349
6302
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
350 assert checkAllVarargPlaceholdersAreDeleted(parameterCount, placeholders);
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
351
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
352 this.snippet = snippetCopy;
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
353 ReturnNode retNode = null;
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
354 StartNode entryPointNode = snippet.start();
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
355
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
356 Map<Integer, JumpNode[]> jumpsMap = new HashMap<>();
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
357 for (JumpNode jump : snippet.getNodes().filter(JumpNode.class).snapshot()) {
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
358 FixedNode next = jump.next();
5482
9f4783c0269e folded -G:+CheckcastCounters functionality into checkcast snippets
Doug Simon <doug.simon@oracle.com>
parents: 5481
diff changeset
359
6302
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
360 // Remove the nodes after the jump
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
361 jump.setNext(null);
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
362 GraphUtil.killCFG(next);
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
363 JumpNode[] jumpsForIndex = jumpsMap.get(jump.successorIndex());
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
364 if (jumpsForIndex == null) {
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
365 jumpsMap.put(jump.successorIndex(), new JumpNode[] {jump});
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
366 } else {
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
367 jumpsForIndex = Arrays.copyOf(jumpsForIndex, jumpsForIndex.length + 1);
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
368 jumpsForIndex[jumpsForIndex.length - 1] = jump;
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
369 jumpsMap.put(jump.successorIndex(), jumpsForIndex);
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
370 }
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
371 }
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
372
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
373 this.jumps = new JumpNode[jumpsMap.size()][];
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
374 for (Map.Entry<Integer, JumpNode[]> e : jumpsMap.entrySet()) {
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
375 int successorIndex = e.getKey();
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
376 assert successorIndex >= 0 && successorIndex < this.jumps.length;
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
377 assert this.jumps[successorIndex] == null;
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
378 this.jumps[successorIndex] = e.getValue();
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
379 }
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
380
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
381 new DeadCodeEliminationPhase().apply(snippetCopy);
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
382
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
383 nodes = new ArrayList<>(snippet.getNodeCount());
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
384 for (Node node : snippet.getNodes()) {
5428
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
385 if (node == entryPointNode || node == entryPointNode.stateAfter()) {
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
386 // Do nothing.
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
387 } else {
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
388 nodes.add(node);
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
389 if (node instanceof ReturnNode) {
6302
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
390 assert this.jumps.length == 0 : "snippet with Jump node(s) cannot have a return node";
5428
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
391 retNode = (ReturnNode) node;
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
392 }
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
393 }
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
394 }
6302
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
395
6408
e5768e936147 Allow snippets to inherit the stateAfter and stamp from the replacee
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6407
diff changeset
396 this.sideEffectNode = curSideEffectNode;
e5768e936147 Allow snippets to inherit the stateAfter and stamp from the replacee
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6407
diff changeset
397 this.stampNode = curStampNode;
5428
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
398 this.returnNode = retNode;
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
399 }
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
400
6302
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
401 private static boolean checkAllVarargPlaceholdersAreDeleted(int parameterCount, ConstantNode[] placeholders) {
5482
9f4783c0269e folded -G:+CheckcastCounters functionality into checkcast snippets
Doug Simon <doug.simon@oracle.com>
parents: 5481
diff changeset
402 for (int i = 0; i < parameterCount; i++) {
9f4783c0269e folded -G:+CheckcastCounters functionality into checkcast snippets
Doug Simon <doug.simon@oracle.com>
parents: 5481
diff changeset
403 if (placeholders[i] != null) {
9f4783c0269e folded -G:+CheckcastCounters functionality into checkcast snippets
Doug Simon <doug.simon@oracle.com>
parents: 5481
diff changeset
404 assert placeholders[i].isDeleted() : placeholders[i];
9f4783c0269e folded -G:+CheckcastCounters functionality into checkcast snippets
Doug Simon <doug.simon@oracle.com>
parents: 5481
diff changeset
405 }
9f4783c0269e folded -G:+CheckcastCounters functionality into checkcast snippets
Doug Simon <doug.simon@oracle.com>
parents: 5481
diff changeset
406 }
9f4783c0269e folded -G:+CheckcastCounters functionality into checkcast snippets
Doug Simon <doug.simon@oracle.com>
parents: 5481
diff changeset
407 return true;
9f4783c0269e folded -G:+CheckcastCounters functionality into checkcast snippets
Doug Simon <doug.simon@oracle.com>
parents: 5481
diff changeset
408 }
9f4783c0269e folded -G:+CheckcastCounters functionality into checkcast snippets
Doug Simon <doug.simon@oracle.com>
parents: 5481
diff changeset
409
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
410 private static boolean checkConstantArgument(final ResolvedJavaMethod method, Signature signature, int i, String name, Object arg, Kind kind) {
5481
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
411 if (kind.isObject()) {
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
412 Class<?> type = signature.argumentTypeAt(i, method.holder()).resolve(method.holder()).toJava();
5574
13624e51918a allow null for @ConstantParameter values
Doug Simon <doug.simon@oracle.com>
parents: 5572
diff changeset
413 assert arg == null || type.isInstance(arg) :
5481
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
414 method + ": wrong value type for " + name + ": expected " + type.getName() + ", got " + arg.getClass().getName();
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
415 } else {
5574
13624e51918a allow null for @ConstantParameter values
Doug Simon <doug.simon@oracle.com>
parents: 5572
diff changeset
416 assert arg != null && kind.toBoxedJavaClass() == arg.getClass() :
13624e51918a allow null for @ConstantParameter values
Doug Simon <doug.simon@oracle.com>
parents: 5572
diff changeset
417 method + ": wrong value kind for " + name + ": expected " + kind + ", got " + (arg == null ? "null" : arg.getClass().getSimpleName());
5481
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
418 }
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
419 return true;
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
420 }
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
421
6302
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
422 private static boolean checkVarargs(final ResolvedJavaMethod method, Signature signature, int i, String name, Varargs varargs) {
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
423 Object arg = varargs.array;
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
424 ResolvedJavaType type = (ResolvedJavaType) signature.argumentTypeAt(i, method.holder());
5481
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
425 Class< ? > javaType = type.toJava();
6302
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
426 assert javaType.isArray() : "varargs parameter must be an array type";
5481
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
427 assert javaType.isInstance(arg) : "value for " + name + " is not a " + javaType.getName() + " instance: " + arg;
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
428 return true;
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
429 }
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
430
5428
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
431 /**
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
432 * The graph built from the snippet method.
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
433 */
6302
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
434 private final StructuredGraph snippet;
5428
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
435
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
436 /**
5481
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
437 * The named parameters of this template that must be bound to values during instantiation.
5482
9f4783c0269e folded -G:+CheckcastCounters functionality into checkcast snippets
Doug Simon <doug.simon@oracle.com>
parents: 5481
diff changeset
438 * Each value in this map is either a {@link LocalNode} instance or a {@link LocalNode} array.
5428
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
439 */
5482
9f4783c0269e folded -G:+CheckcastCounters functionality into checkcast snippets
Doug Simon <doug.simon@oracle.com>
parents: 5481
diff changeset
440 private final Map<String, Object> parameters;
5428
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
441
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
442 /**
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
443 * The return node (if any) of the snippet.
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
444 */
5481
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
445 private final ReturnNode returnNode;
5428
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
446
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
447 /**
6408
e5768e936147 Allow snippets to inherit the stateAfter and stamp from the replacee
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6407
diff changeset
448 * Node that inherits the {@link StateSplit#stateAfter()} from the replacee during instantiation.
e5768e936147 Allow snippets to inherit the stateAfter and stamp from the replacee
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6407
diff changeset
449 */
e5768e936147 Allow snippets to inherit the stateAfter and stamp from the replacee
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6407
diff changeset
450 private final Node sideEffectNode;
e5768e936147 Allow snippets to inherit the stateAfter and stamp from the replacee
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6407
diff changeset
451
e5768e936147 Allow snippets to inherit the stateAfter and stamp from the replacee
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6407
diff changeset
452 /**
e5768e936147 Allow snippets to inherit the stateAfter and stamp from the replacee
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6407
diff changeset
453 * Node that inherits the {@link ValueNode#stamp()} from the replacee during instantiation.
e5768e936147 Allow snippets to inherit the stateAfter and stamp from the replacee
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6407
diff changeset
454 */
e5768e936147 Allow snippets to inherit the stateAfter and stamp from the replacee
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6407
diff changeset
455 private final Node stampNode;
e5768e936147 Allow snippets to inherit the stateAfter and stamp from the replacee
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6407
diff changeset
456
e5768e936147 Allow snippets to inherit the stateAfter and stamp from the replacee
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6407
diff changeset
457 /**
5428
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
458 * The nodes to be inlined when this specialization is instantiated.
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
459 */
5481
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
460 private final ArrayList<Node> nodes;
5428
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
461
5481
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
462 /**
6302
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
463 * The {@link JumpNode}s in the snippet, indexed by {@linkplain ControlSplitNode#blockSuccessor(int) successor} indexes.
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
464 * There may be more than one jump per successor index which explains why this is a 2-dimensional array.
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
465 */
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
466 private final JumpNode[][] jumps;
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
467
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
468 /**
5481
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
469 * Gets the instantiation-time bindings to this template's parameters.
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
470 *
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
471 * @return the map that will be used to bind arguments to parameters when inlining this template
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
472 */
6407
46d426e79bed Snippets need only a MetaAccessProvider, not a CodeCacheProvider
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6386
diff changeset
473 private IdentityHashMap<Node, Node> bind(StructuredGraph replaceeGraph, MetaAccessProvider runtime, SnippetTemplate.Arguments args) {
5428
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
474 IdentityHashMap<Node, Node> replacements = new IdentityHashMap<>();
6449
de9c0c4b7c9b added sanity assertion to snippet instantiation
Doug Simon <doug.simon@oracle.com>
parents: 6431
diff changeset
475 assert args.length() == parameters.size() : "number of args (" + args.length() + ") != number of parameters (" + parameters.size() + ")";
5481
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
476 for (Map.Entry<String, Object> e : args) {
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
477 String name = e.getKey();
5482
9f4783c0269e folded -G:+CheckcastCounters functionality into checkcast snippets
Doug Simon <doug.simon@oracle.com>
parents: 5481
diff changeset
478 Object parameter = parameters.get(name);
5481
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
479 assert parameter != null : this + " has no parameter named " + name;
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
480 Object argument = e.getValue();
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
481 if (parameter instanceof LocalNode) {
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
482 if (argument instanceof ValueNode) {
5482
9f4783c0269e folded -G:+CheckcastCounters functionality into checkcast snippets
Doug Simon <doug.simon@oracle.com>
parents: 5481
diff changeset
483 replacements.put((LocalNode) parameter, (ValueNode) argument);
5481
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
484 } else {
5540
a891c53a295b Renaming RiKind => Kind.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5538
diff changeset
485 Kind kind = ((LocalNode) parameter).kind();
5760
87e8baf5447c added snippets for lowering array creation and initialization (in NewObjectSnippets)
Doug Simon <doug.simon@oracle.com>
parents: 5719
diff changeset
486 assert argument != null || kind.isObject() : this + " cannot accept null for non-object parameter named " + name;
5538
e18ba36bfebc Renamed RiConstant => Constant.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 5531
diff changeset
487 Constant constant = Constant.forBoxed(kind, argument);
5572
8f9c9d372e31 small renaming and doc fixes
Lukas Stadler <lukas.stadler@jku.at>
parents: 5547
diff changeset
488 replacements.put((LocalNode) parameter, ConstantNode.forConstant(constant, runtime, replaceeGraph));
5481
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
489 }
5428
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
490 } else {
5482
9f4783c0269e folded -G:+CheckcastCounters functionality into checkcast snippets
Doug Simon <doug.simon@oracle.com>
parents: 5481
diff changeset
491 assert parameter instanceof LocalNode[];
9f4783c0269e folded -G:+CheckcastCounters functionality into checkcast snippets
Doug Simon <doug.simon@oracle.com>
parents: 5481
diff changeset
492 LocalNode[] locals = (LocalNode[]) parameter;
5481
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
493 Object array = argument;
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
494 assert array != null && array.getClass().isArray();
5482
9f4783c0269e folded -G:+CheckcastCounters functionality into checkcast snippets
Doug Simon <doug.simon@oracle.com>
parents: 5481
diff changeset
495 int length = locals.length;
9f4783c0269e folded -G:+CheckcastCounters functionality into checkcast snippets
Doug Simon <doug.simon@oracle.com>
parents: 5481
diff changeset
496 assert Array.getLength(array) == length : length + " != " + Array.getLength(array);
5481
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
497 for (int j = 0; j < length; j++) {
5482
9f4783c0269e folded -G:+CheckcastCounters functionality into checkcast snippets
Doug Simon <doug.simon@oracle.com>
parents: 5481
diff changeset
498 LocalNode local = locals[j];
5481
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
499 assert local != null;
6431
2e376f8ea4e2 added snippet for lowering NewMultiArrayNodes
Doug Simon <doug.simon@oracle.com>
parents: 6408
diff changeset
500 Object value = Array.get(array, j);
2e376f8ea4e2 added snippet for lowering NewMultiArrayNodes
Doug Simon <doug.simon@oracle.com>
parents: 6408
diff changeset
501 if (value instanceof ValueNode) {
2e376f8ea4e2 added snippet for lowering NewMultiArrayNodes
Doug Simon <doug.simon@oracle.com>
parents: 6408
diff changeset
502 replacements.put(local, (ValueNode) value);
2e376f8ea4e2 added snippet for lowering NewMultiArrayNodes
Doug Simon <doug.simon@oracle.com>
parents: 6408
diff changeset
503 } else {
2e376f8ea4e2 added snippet for lowering NewMultiArrayNodes
Doug Simon <doug.simon@oracle.com>
parents: 6408
diff changeset
504 Constant constant = Constant.forBoxed(local.kind(), value);
2e376f8ea4e2 added snippet for lowering NewMultiArrayNodes
Doug Simon <doug.simon@oracle.com>
parents: 6408
diff changeset
505 ConstantNode element = ConstantNode.forConstant(constant, runtime, replaceeGraph);
2e376f8ea4e2 added snippet for lowering NewMultiArrayNodes
Doug Simon <doug.simon@oracle.com>
parents: 6408
diff changeset
506 replacements.put(local, element);
2e376f8ea4e2 added snippet for lowering NewMultiArrayNodes
Doug Simon <doug.simon@oracle.com>
parents: 6408
diff changeset
507 }
5481
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
508 }
5428
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
509 }
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
510 }
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
511 return replacements;
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
512 }
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
513
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
514 /**
6302
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
515 * Replaces a given fixed node with this specialized snippet.
5428
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
516 *
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
517 * @param runtime
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
518 * @param replacee the node that will be replaced
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
519 * @param args the arguments to be bound to the flattened positional parameters of the snippet
6386
abeeb57b655d added MonitorSnippets which passes MonitorTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 6302
diff changeset
520 * @return the map of duplicated nodes (original -> duplicate)
5428
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
521 */
6534
feb579677b58 SnippetTemplate must not depend on CodeCacheProvider (only on MetaAccessProvider). This means that the hasSideEffect flag of a RuntimeCall must be already fixed in the RuntimeCall.Descriptor to avoid a lookup of the actual RuntimeCall using the CodeCacheProvider.
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6526
diff changeset
522 public Map<Node, Node> instantiate(MetaAccessProvider runtime,
6302
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
523 FixedWithNextNode replacee, SnippetTemplate.Arguments args) {
5428
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
524
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
525 // Inline the snippet nodes, replacing parameters with the given args in the process
6302
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
526 String name = snippet.name == null ? "{copy}" : snippet.name + "{copy}";
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
527 StructuredGraph snippetCopy = new StructuredGraph(name, snippet.method());
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
528 StartNode entryPointNode = snippet.start();
5428
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
529 FixedNode firstCFGNode = entryPointNode.next();
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
530 StructuredGraph replaceeGraph = (StructuredGraph) replacee.graph();
5481
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
531 IdentityHashMap<Node, Node> replacements = bind(replaceeGraph, runtime, args);
5428
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
532 Map<Node, Node> duplicates = replaceeGraph.addDuplicates(nodes, replacements);
6302
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
533 Debug.dump(replaceeGraph, "After inlining snippet %s", snippetCopy.method());
5428
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
534
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
535 // Re-wire the control flow graph around the replacee
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
536 FixedNode firstCFGNodeDuplicate = (FixedNode) duplicates.get(firstCFGNode);
6302
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
537 replacee.replaceAtPredecessor(firstCFGNodeDuplicate);
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
538 FixedNode next = replacee.next();
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
539 replacee.setNext(null);
5428
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
540
6408
e5768e936147 Allow snippets to inherit the stateAfter and stamp from the replacee
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6407
diff changeset
541 if (sideEffectNode != null) {
6534
feb579677b58 SnippetTemplate must not depend on CodeCacheProvider (only on MetaAccessProvider). This means that the hasSideEffect flag of a RuntimeCall must be already fixed in the RuntimeCall.Descriptor to avoid a lookup of the actual RuntimeCall using the CodeCacheProvider.
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6526
diff changeset
542 assert ((StateSplit) replacee).hasSideEffect();
6408
e5768e936147 Allow snippets to inherit the stateAfter and stamp from the replacee
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6407
diff changeset
543 Node sideEffectDup = duplicates.get(sideEffectNode);
e5768e936147 Allow snippets to inherit the stateAfter and stamp from the replacee
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6407
diff changeset
544 ((StateSplit) sideEffectDup).setStateAfter(((StateSplit) replacee).stateAfter());
e5768e936147 Allow snippets to inherit the stateAfter and stamp from the replacee
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6407
diff changeset
545 }
e5768e936147 Allow snippets to inherit the stateAfter and stamp from the replacee
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6407
diff changeset
546 if (stampNode != null) {
e5768e936147 Allow snippets to inherit the stateAfter and stamp from the replacee
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6407
diff changeset
547 Node stampDup = duplicates.get(stampNode);
e5768e936147 Allow snippets to inherit the stateAfter and stamp from the replacee
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6407
diff changeset
548 ((ValueNode) stampDup).setStamp(((ValueNode) replacee).stamp());
e5768e936147 Allow snippets to inherit the stateAfter and stamp from the replacee
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6407
diff changeset
549 }
e5768e936147 Allow snippets to inherit the stateAfter and stamp from the replacee
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6407
diff changeset
550
5428
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
551 // Replace all usages of the replacee with the value returned by the snippet
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
552 Node returnValue = null;
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
553 if (returnNode != null) {
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
554 if (returnNode.result() instanceof LocalNode) {
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
555 returnValue = replacements.get(returnNode.result());
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
556 } else {
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
557 returnValue = duplicates.get(returnNode.result());
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
558 }
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
559 assert returnValue != null || replacee.usages().isEmpty();
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
560 replacee.replaceAtUsages(returnValue);
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
561
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
562 Node returnDuplicate = duplicates.get(returnNode);
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
563 returnDuplicate.clearInputs();
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
564 returnDuplicate.replaceAndDelete(next);
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
565 }
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
566
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
567 // Remove the replacee from its graph
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
568 replacee.clearInputs();
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
569 replacee.replaceAtUsages(null);
6302
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
570 GraphUtil.killCFG(replacee);
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
571
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
572 Debug.dump(replaceeGraph, "After lowering %s with %s", replacee, this);
6386
abeeb57b655d added MonitorSnippets which passes MonitorTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 6302
diff changeset
573 return duplicates;
6302
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
574 }
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
575
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
576 /**
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
577 * Replaces a given floating node with this specialized snippet.
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
578 *
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
579 * @param runtime
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
580 * @param replacee the node that will be replaced
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
581 * @param lastFixedNode the CFG of the snippet is inserted after this node
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
582 * @param args the arguments to be bound to the flattened positional parameters of the snippet
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
583 */
6534
feb579677b58 SnippetTemplate must not depend on CodeCacheProvider (only on MetaAccessProvider). This means that the hasSideEffect flag of a RuntimeCall must be already fixed in the RuntimeCall.Descriptor to avoid a lookup of the actual RuntimeCall using the CodeCacheProvider.
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6526
diff changeset
584 public void instantiate(MetaAccessProvider runtime,
6302
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
585 FloatingNode replacee,
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
586 FixedWithNextNode lastFixedNode, SnippetTemplate.Arguments args) {
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
587
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
588 // Inline the snippet nodes, replacing parameters with the given args in the process
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
589 String name = snippet.name == null ? "{copy}" : snippet.name + "{copy}";
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
590 StructuredGraph snippetCopy = new StructuredGraph(name, snippet.method());
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
591 StartNode entryPointNode = snippet.start();
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
592 FixedNode firstCFGNode = entryPointNode.next();
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
593 StructuredGraph replaceeGraph = (StructuredGraph) replacee.graph();
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
594 IdentityHashMap<Node, Node> replacements = bind(replaceeGraph, runtime, args);
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
595 Map<Node, Node> duplicates = replaceeGraph.addDuplicates(nodes, replacements);
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
596 Debug.dump(replaceeGraph, "After inlining snippet %s", snippetCopy.method());
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
597
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
598 assert lastFixedNode != null : replaceeGraph;
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
599 FixedNode next = lastFixedNode.next();
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
600 lastFixedNode.setNext(null);
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
601 FixedNode firstCFGNodeDuplicate = (FixedNode) duplicates.get(firstCFGNode);
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
602 replaceeGraph.addAfterFixed(lastFixedNode, firstCFGNodeDuplicate);
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
603
6408
e5768e936147 Allow snippets to inherit the stateAfter and stamp from the replacee
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6407
diff changeset
604 if (sideEffectNode != null) {
6534
feb579677b58 SnippetTemplate must not depend on CodeCacheProvider (only on MetaAccessProvider). This means that the hasSideEffect flag of a RuntimeCall must be already fixed in the RuntimeCall.Descriptor to avoid a lookup of the actual RuntimeCall using the CodeCacheProvider.
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6526
diff changeset
605 assert ((StateSplit) replacee).hasSideEffect();
6408
e5768e936147 Allow snippets to inherit the stateAfter and stamp from the replacee
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6407
diff changeset
606 Node sideEffectDup = duplicates.get(sideEffectNode);
e5768e936147 Allow snippets to inherit the stateAfter and stamp from the replacee
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6407
diff changeset
607 ((StateSplit) sideEffectDup).setStateAfter(((StateSplit) replacee).stateAfter());
e5768e936147 Allow snippets to inherit the stateAfter and stamp from the replacee
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6407
diff changeset
608 }
e5768e936147 Allow snippets to inherit the stateAfter and stamp from the replacee
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6407
diff changeset
609 if (stampNode != null) {
e5768e936147 Allow snippets to inherit the stateAfter and stamp from the replacee
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6407
diff changeset
610 Node stampDup = duplicates.get(stampNode);
e5768e936147 Allow snippets to inherit the stateAfter and stamp from the replacee
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6407
diff changeset
611 ((ValueNode) stampDup).setStamp(((ValueNode) replacee).stamp());
e5768e936147 Allow snippets to inherit the stateAfter and stamp from the replacee
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6407
diff changeset
612 }
e5768e936147 Allow snippets to inherit the stateAfter and stamp from the replacee
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6407
diff changeset
613
6302
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
614 // Replace all usages of the replacee with the value returned by the snippet
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
615 assert returnNode != null : replaceeGraph;
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
616 Node returnValue = null;
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
617 if (returnNode.result() instanceof LocalNode) {
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
618 returnValue = replacements.get(returnNode.result());
5428
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
619 } else {
6302
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
620 returnValue = duplicates.get(returnNode.result());
5670
29684ae5a194 Make sure snippet instentiation doesn't produce dead nodes and remove redundant DCE
Gilles Duboscq <duboscq@ssw.jku.at>
parents: 5574
diff changeset
621 }
6302
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
622 assert returnValue != null || replacee.usages().isEmpty();
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
623 replacee.replaceAtUsages(returnValue);
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
624
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
625 Node returnDuplicate = duplicates.get(returnNode);
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
626 returnDuplicate.clearInputs();
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
627 returnDuplicate.replaceAndDelete(next);
5428
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
628
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
629 Debug.dump(replaceeGraph, "After lowering %s with %s", replacee, this);
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
630 }
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
631
6302
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
632 /**
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
633 * Replaces a given floating node that is an input to a {@link ControlSplitNode} with this specialized snippet.
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
634 * The {@linkplain JumpNode jumps} in the snippet are connected to the successors of the control split node.
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
635 *
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
636 * @param replacee the node that will be replaced
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
637 * @param controlSplitNode the node replaced by this wheCFG of the snippet is inserted after this node
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
638 * @param args the arguments to be bound to the flattened positional parameters of the snippet
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
639 */
6407
46d426e79bed Snippets need only a MetaAccessProvider, not a CodeCacheProvider
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6386
diff changeset
640 public void instantiate(MetaAccessProvider runtime,
6302
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
641 FloatingNode replacee,
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
642 ControlSplitNode controlSplitNode,
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
643 SnippetTemplate.Arguments args) {
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
644
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
645 // Inline the snippet nodes, replacing parameters with the given args in the process
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
646 String name = snippet.name == null ? "{copy}" : snippet.name + "{copy}";
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
647 StructuredGraph snippetCopy = new StructuredGraph(name, snippet.method());
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
648 StartNode entryPointNode = snippet.start();
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
649 FixedNode firstCFGNode = entryPointNode.next();
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
650 StructuredGraph replaceeGraph = (StructuredGraph) replacee.graph();
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
651 IdentityHashMap<Node, Node> replacements = bind(replaceeGraph, runtime, args);
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
652 Map<Node, Node> duplicates = replaceeGraph.addDuplicates(nodes, replacements);
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
653 Debug.dump(replaceeGraph, "After inlining snippet %s", snippetCopy.method());
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
654
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
655
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
656 int successorIndex = 0;
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
657 for (JumpNode[] jumpsForIndex : jumps) {
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
658 fixEdge(controlSplitNode, jumpsForIndex, successorIndex++, duplicates);
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
659 }
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
660
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
661 FixedNode firstCFGNodeDuplicate = (FixedNode) duplicates.get(firstCFGNode);
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
662 controlSplitNode.replaceAtPredecessor(firstCFGNodeDuplicate);
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
663 controlSplitNode.replaceAtUsages(null);
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
664
6408
e5768e936147 Allow snippets to inherit the stateAfter and stamp from the replacee
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6407
diff changeset
665 assert sideEffectNode == null;
e5768e936147 Allow snippets to inherit the stateAfter and stamp from the replacee
Christian Wimmer <christian.wimmer@oracle.com>
parents: 6407
diff changeset
666 assert stampNode == null;
6302
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
667 assert returnNode == null : replaceeGraph;
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
668 GraphUtil.killCFG(controlSplitNode);
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
669
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
670 Debug.dump(replaceeGraph, "After lowering %s with %s", replacee, this);
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
671 }
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
672
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
673 private static void fixEdge(ControlSplitNode splitAnchor, JumpNode[] jumpsForIndex, int successorIndex, Map<Node, Node> duplicates) {
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
674 BeginNode blockSuccessor = splitAnchor.blockSuccessor(successorIndex);
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
675 splitAnchor.setBlockSuccessor(successorIndex, null);
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
676 if (jumpsForIndex.length == 1) {
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
677 JumpNode jump = (JumpNode) duplicates.get(jumpsForIndex[0]);
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
678 jump.replaceAtPredecessor(blockSuccessor);
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
679 GraphUtil.killCFG(jump);
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
680 } else {
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
681 StructuredGraph graph = (StructuredGraph) splitAnchor.graph();
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
682 MergeNode merge = graph.add(new MergeNode());
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
683 for (int i = 0; i < jumpsForIndex.length; i++) {
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
684 EndNode end = graph.add(new EndNode());
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
685 JumpNode jump = (JumpNode) duplicates.get(jumpsForIndex[i]);
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
686 jump.replaceAtPredecessor(end);
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
687 merge.addForwardEnd(end);
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
688 GraphUtil.killCFG(jump);
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
689 }
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
690 merge.setNext(blockSuccessor);
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
691 }
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
692 }
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
693
5428
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
694 @Override
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
695 public String toString() {
6302
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
696 StringBuilder buf = new StringBuilder(snippet.toString()).append('(');
5481
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
697 String sep = "";
5482
9f4783c0269e folded -G:+CheckcastCounters functionality into checkcast snippets
Doug Simon <doug.simon@oracle.com>
parents: 5481
diff changeset
698 for (Map.Entry<String, Object> e : parameters.entrySet()) {
5481
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
699 String name = e.getKey();
5482
9f4783c0269e folded -G:+CheckcastCounters functionality into checkcast snippets
Doug Simon <doug.simon@oracle.com>
parents: 5481
diff changeset
700 Object value = e.getValue();
5481
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
701 buf.append(sep);
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
702 sep = ", ";
e26e6dca0bcf added @Parameter and @Constant annotations which simplify creation and instantiation of snippets
Doug Simon <doug.simon@oracle.com>
parents: 5467
diff changeset
703 if (value instanceof LocalNode) {
5482
9f4783c0269e folded -G:+CheckcastCounters functionality into checkcast snippets
Doug Simon <doug.simon@oracle.com>
parents: 5481
diff changeset
704 LocalNode local = (LocalNode) value;
5760
87e8baf5447c added snippets for lowering array creation and initialization (in NewObjectSnippets)
Doug Simon <doug.simon@oracle.com>
parents: 5719
diff changeset
705 buf.append(local.kind().javaName).append(' ').append(name);
5428
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
706 } else {
5482
9f4783c0269e folded -G:+CheckcastCounters functionality into checkcast snippets
Doug Simon <doug.simon@oracle.com>
parents: 5481
diff changeset
707 LocalNode[] locals = (LocalNode[]) value;
5760
87e8baf5447c added snippets for lowering array creation and initialization (in NewObjectSnippets)
Doug Simon <doug.simon@oracle.com>
parents: 5719
diff changeset
708 String kind = locals.length == 0 ? "?" : locals[0].kind().javaName;
5482
9f4783c0269e folded -G:+CheckcastCounters functionality into checkcast snippets
Doug Simon <doug.simon@oracle.com>
parents: 5481
diff changeset
709 buf.append(kind).append('[').append(locals.length).append("] ").append(name);
5428
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
710 }
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
711 }
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
712 return buf.append(')').toString();
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
713 }
6302
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
714
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
715 private static boolean checkTemplate(SnippetTemplate.Key key, int parameterCount, ResolvedJavaMethod method, Signature signature) {
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
716 Set<String> expected = new HashSet<>();
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
717 for (int i = 0; i < parameterCount; i++) {
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
718 ConstantParameter c = MetaUtil.getParameterAnnotation(ConstantParameter.class, i, method);
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
719 VarargsParameter vp = MetaUtil.getParameterAnnotation(VarargsParameter.class, i, method);
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
720 Parameter p = MetaUtil.getParameterAnnotation(Parameter.class, i, method);
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
721 if (c != null) {
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
722 assert vp == null && p == null;
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
723 String name = c.value();
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
724 expected.add(name);
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
725 Kind kind = signature.argumentKindAt(i);
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
726 assert key.names().contains(name) : "key for " + method + " is missing \"" + name + "\": " + key;
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
727 assert checkConstantArgument(method, signature, i, c.value(), key.get(name), kind);
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
728 } else if (vp != null) {
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
729 assert p == null;
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
730 String name = vp.value();
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
731 expected.add(name);
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
732 assert key.names().contains(name) : "key for " + method + " is missing \"" + name + "\": " + key;
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
733 assert key.get(name) instanceof Varargs;
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
734 Varargs varargs = (Varargs) key.get(name);
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
735 assert checkVarargs(method, signature, i, name, varargs);
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
736 } else {
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
737 assert p != null : method + ": parameter " + i + " must be annotated with exactly one of " +
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
738 "@" + ConstantParameter.class.getSimpleName() + " or " +
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
739 "@" + VarargsParameter.class.getSimpleName() + " or " +
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
740 "@" + Parameter.class.getSimpleName();
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
741 }
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
742 }
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
743 if (!key.names().containsAll(expected)) {
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
744 expected.removeAll(key.names());
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
745 assert false : expected + " missing from key " + key;
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
746 }
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
747 if (!expected.containsAll(key.names())) {
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
748 Set<String> namesCopy = new HashSet<>(key.names());
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
749 namesCopy.removeAll(expected);
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
750 assert false : "parameter(s) " + namesCopy + " should be annotated with @" + ConstantParameter.class.getSimpleName() +
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
751 " or @" + VarargsParameter.class.getSimpleName() + " in " + MetaUtil.format("%H.%n(%p)", method);
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
752 }
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
753 return true;
5d7d9a6953bd added InstanceOfSnippets which passes InstanceOfTest but is not yet enabled for general lowering
Doug Simon <doug.simon@oracle.com>
parents: 5760
diff changeset
754 }
5428
6ec0857cdf46 added support for snippet templates which are snippet graphs specialized by binding a constant to at least one of the snippet's parameters
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
755 }