Mercurial > hg > graal-compiler
view graal/com.oracle.graal.java/src/com/oracle/graal/java/GraphBuilderContext.java @ 19861:4178f9830a27
Assign the state after when appending the node and not automatically in the main graph builder loop.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Sat, 14 Mar 2015 19:15:51 +0100 |
parents | 93b74f0db076 |
children |
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/* * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.graal.java; import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.api.replacements.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.calc.*; import com.oracle.graal.nodes.spi.*; /** * Used by a {@link GraphBuilderPlugin} to interface with a graph builder object. */ public interface GraphBuilderContext { /** * Information about a snippet or method substitution currently being processed by the graph * builder. When in the scope of a replacement, the graph builder does not check the value kinds * flowing through the JVM state since replacements can employ non-Java kinds to represent * values such as raw machine words and pointers. */ public interface Replacement { /** * Gets the method being replaced. */ ResolvedJavaMethod getOriginalMethod(); /** * Gets the replacement method. */ ResolvedJavaMethod getReplacementMethod(); /** * Determines if this replacement is being inlined as a compiler intrinsic. A compiler * intrinsic is atomic with respect to deoptimization. Deoptimization within a compiler * intrinsic will restart the interpreter at the intrinsified call. */ boolean isIntrinsic(); } <T extends ControlSinkNode> T append(T fixed); <T extends ControlSplitNode> T append(T fixed); <T extends FixedWithNextNode> T append(T fixed); <T extends FloatingNode> T append(T value); <T extends ValueNode> T append(T value); StampProvider getStampProvider(); MetaAccessProvider getMetaAccess(); Assumptions getAssumptions(); ConstantReflectionProvider getConstantReflection(); SnippetReflectionProvider getSnippetReflection(); void push(Kind kind, ValueNode value); StructuredGraph getGraph(); FrameState createStateAfter(); /** * Gets the parsing context for the method that inlines the method being parsed by this context. */ GraphBuilderContext getParent(); /** * Gets the root method for the graph building process. */ ResolvedJavaMethod getRootMethod(); /** * Gets the method currently being parsed. */ ResolvedJavaMethod getMethod(); /** * Gets the index of the bytecode instruction currently being parsed. */ int bci(); /** * Gets the inline depth of this context. 0 implies this is the context for the * {@linkplain #getRootMethod() root method}. */ int getDepth(); /** * Determines if the current parsing context is a snippet or method substitution. */ default boolean parsingReplacement() { return getReplacement() == null; } /** * Gets the replacement of the current parsing context or {@code null} if not * {@link #parsingReplacement() parsing a replacement}. */ Replacement getReplacement(); /** * @see GuardingPiNode#nullCheckedValue(ValueNode) */ static ValueNode nullCheckedValue(GraphBuilderContext builder, ValueNode value) { ValueNode nonNullValue = GuardingPiNode.nullCheckedValue(value); if (nonNullValue != value) { builder.append((FixedWithNextNode) nonNullValue); } return nonNullValue; } boolean eagerResolving(); BailoutException bailout(String string); }