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annotate graal/com.oracle.graal.java/src/com/oracle/graal/java/GraphBuilderContext.java @ 19854:4178f9830a27

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Assign the state after when appending the node and not automatically in the main graph builder loop.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Sat, 14 Mar 2015 19:15:51 +0100
parents 93b74f0db076
children
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1 /*
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2 * Copyright (c) 2015, 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.java;
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24
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25 import com.oracle.graal.api.code.*;
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26 import com.oracle.graal.api.meta.*;
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27 import com.oracle.graal.api.replacements.*;
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28 import com.oracle.graal.nodes.*;
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29 import com.oracle.graal.nodes.calc.*;
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30 import com.oracle.graal.nodes.spi.*;
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31
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32 /**
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33 * Used by a {@link GraphBuilderPlugin} to interface with a graph builder object.
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34 */
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35 public interface GraphBuilderContext {
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36
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37 /**
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38 * Information about a snippet or method substitution currently being processed by the graph
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39 * builder. When in the scope of a replacement, the graph builder does not check the value kinds
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40 * flowing through the JVM state since replacements can employ non-Java kinds to represent
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41 * values such as raw machine words and pointers.
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42 */
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43 public interface Replacement {
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44
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45 /**
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46 * Gets the method being replaced.
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47 */
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48 ResolvedJavaMethod getOriginalMethod();
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49
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50 /**
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51 * Gets the replacement method.
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52 */
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53 ResolvedJavaMethod getReplacementMethod();
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54
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55 /**
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56 * Determines if this replacement is being inlined as a compiler intrinsic. A compiler
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57 * intrinsic is atomic with respect to deoptimization. Deoptimization within a compiler
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58 * intrinsic will restart the interpreter at the intrinsified call.
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59 */
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60 boolean isIntrinsic();
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61 }
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62
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63 <T extends ControlSinkNode> T append(T fixed);
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64
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65 <T extends ControlSplitNode> T append(T fixed);
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66
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67 <T extends FixedWithNextNode> T append(T fixed);
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68
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69 <T extends FloatingNode> T append(T value);
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70
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71 <T extends ValueNode> T append(T value);
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72
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73 StampProvider getStampProvider();
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74
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75 MetaAccessProvider getMetaAccess();
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76
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77 Assumptions getAssumptions();
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78
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79 ConstantReflectionProvider getConstantReflection();
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80
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81 SnippetReflectionProvider getSnippetReflection();
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82
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83 void push(Kind kind, ValueNode value);
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84
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85 StructuredGraph getGraph();
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86
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87 FrameState createStateAfter();
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88
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89 /**
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90 * Gets the parsing context for the method that inlines the method being parsed by this context.
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91 */
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92 GraphBuilderContext getParent();
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93
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94 /**
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95 * Gets the root method for the graph building process.
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96 */
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97 ResolvedJavaMethod getRootMethod();
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98
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99 /**
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100 * Gets the method currently being parsed.
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101 */
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102 ResolvedJavaMethod getMethod();
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103
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104 /**
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105 * Gets the index of the bytecode instruction currently being parsed.
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106 */
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107 int bci();
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108
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109 /**
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110 * Gets the inline depth of this context. 0 implies this is the context for the
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111 * {@linkplain #getRootMethod() root method}.
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112 */
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113 int getDepth();
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114
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115 /**
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116 * Determines if the current parsing context is a snippet or method substitution.
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117 */
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118 default boolean parsingReplacement() {
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119 return getReplacement() == null;
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120 }
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121
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122 /**
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123 * Gets the replacement of the current parsing context or {@code null} if not
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124 * {@link #parsingReplacement() parsing a replacement}.
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125 */
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126 Replacement getReplacement();
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127
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128 /**
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129 * @see GuardingPiNode#nullCheckedValue(ValueNode)
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130 */
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131 static ValueNode nullCheckedValue(GraphBuilderContext builder, ValueNode value) {
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132 ValueNode nonNullValue = GuardingPiNode.nullCheckedValue(value);
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133 if (nonNullValue != value) {
ac9ad302e12f added utility to GraphBuilderContext for generating a receiver null check from within an InvocationPlugin for a non-static method
Doug Simon <doug.simon@oracle.com>
parents: 19050
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134 builder.append((FixedWithNextNode) nonNullValue);
ac9ad302e12f added utility to GraphBuilderContext for generating a receiver null check from within an InvocationPlugin for a non-static method
Doug Simon <doug.simon@oracle.com>
parents: 19050
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135 }
ac9ad302e12f added utility to GraphBuilderContext for generating a receiver null check from within an InvocationPlugin for a non-static method
Doug Simon <doug.simon@oracle.com>
parents: 19050
diff changeset
136 return nonNullValue;
ac9ad302e12f added utility to GraphBuilderContext for generating a receiver null check from within an InvocationPlugin for a non-static method
Doug Simon <doug.simon@oracle.com>
parents: 19050
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137 }
19496
9525e4d5b385 disable (asserting) type checks in the FrameStateBuilder when parsing a replacement
Doug Simon <doug.simon@oracle.com>
parents: 19409
diff changeset
138
19791
14e703edb2ab use GraphBuilderPlugins for method substitutions, intrinsics and snippets (GRAAL-982)
Doug Simon <doug.simon@oracle.com>
parents: 19783
diff changeset
139 boolean eagerResolving();
19521
9c4168877444 Create CompilerAsserts tests. Add graph builder context on bailout. Consolidate CompilerAsserts Truffle API class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 19496
diff changeset
140
9c4168877444 Create CompilerAsserts tests. Add graph builder context on bailout. Consolidate CompilerAsserts Truffle API class.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 19496
diff changeset
141 BailoutException bailout(String string);
19050
75da87c96605 initial commit of GraphBuilderPhase plugins
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
142 }