Mercurial > hg > graal-compiler
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/SelfReplacingMethodCallTargetNode.java @ 16919:0fe4732e5181
made use of generated Node classes predicated on value of graal.useGeneratedNodes system property (default is false)
author | Doug Simon <doug.simon@oracle.com> |
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date | Mon, 25 Aug 2014 13:45:12 +0200 |
parents | f90dcdbbb75e |
children | 77981382473e |
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/* * Copyright (c) 2013, 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.nodes.java; import com.oracle.graal.api.meta.*; import com.oracle.graal.compiler.common.*; import com.oracle.graal.graph.*; import com.oracle.graal.nodeinfo.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.spi.*; /** * A SelfReplacingMethodCallTargetNode replaces itself in the graph when being lowered with a * {@link MethodCallTargetNode} that calls the stored replacement target method. * * This node is used for method handle call nodes which have a constant call target but are not * inlined. */ @NodeInfo public class SelfReplacingMethodCallTargetNode extends MethodCallTargetNode implements Lowerable { // Replacement method data private final ResolvedJavaMethod replacementTargetMethod; private final JavaType replacementReturnType; @Input NodeInputList<ValueNode> replacementArguments; public static SelfReplacingMethodCallTargetNode create(InvokeKind invokeKind, ResolvedJavaMethod targetMethod, ValueNode[] arguments, JavaType returnType, ResolvedJavaMethod replacementTargetMethod, ValueNode[] replacementArguments, JavaType replacementReturnType) { return USE_GENERATED_NODES ? new SelfReplacingMethodCallTargetNodeGen(invokeKind, targetMethod, arguments, returnType, replacementTargetMethod, replacementArguments, replacementReturnType) : new SelfReplacingMethodCallTargetNode(invokeKind, targetMethod, arguments, returnType, replacementTargetMethod, replacementArguments, replacementReturnType); } SelfReplacingMethodCallTargetNode(InvokeKind invokeKind, ResolvedJavaMethod targetMethod, ValueNode[] arguments, JavaType returnType, ResolvedJavaMethod replacementTargetMethod, ValueNode[] replacementArguments, JavaType replacementReturnType) { super(invokeKind, targetMethod, arguments, returnType); this.replacementTargetMethod = replacementTargetMethod; this.replacementReturnType = replacementReturnType; this.replacementArguments = new NodeInputList<>(this, replacementArguments); } public ResolvedJavaMethod replacementTargetMethod() { return replacementTargetMethod; } public JavaType replacementReturnType() { return replacementReturnType; } public NodeInputList<ValueNode> replacementArguments() { return replacementArguments; } @Override public void lower(LoweringTool tool) { InvokeKind invokeKind = replacementTargetMethod.isStatic() ? InvokeKind.Static : InvokeKind.Special; MethodCallTargetNode replacement = graph().add( MethodCallTargetNode.create(invokeKind, replacementTargetMethod, replacementArguments.toArray(new ValueNode[replacementArguments.size()]), replacementReturnType)); // Replace myself... this.replaceAndDelete(replacement); } @Override public void generate(NodeLIRBuilderTool gen) { throw GraalInternalError.shouldNotReachHere("should have replaced itself"); } }