Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/FunctionRootNode.java @ 13654:32af063cc29c
Don't create null guards for values that are already known to be non-null.
author | Gilles Duboscq <duboscq@ssw.jku.at> |
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date | Thu, 16 Jan 2014 12:18:29 +0100 |
parents | 652f24858aad |
children | 40fd9958cdf5 |
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/* * Copyright (c) 2012, 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.truffle.sl.nodes; import com.oracle.truffle.api.*; import com.oracle.truffle.api.dsl.*; import com.oracle.truffle.api.frame.*; import com.oracle.truffle.api.nodes.*; import com.oracle.truffle.sl.builtins.*; import com.oracle.truffle.sl.runtime.*; public final class FunctionRootNode extends RootNode { @Child private TypedNode body; private final TypedNode uninitializedBody; private final String name; private final boolean inlineImmediatly; private FunctionRootNode(TypedNode body, String name, boolean inlineImmediatly) { super(null); this.uninitializedBody = NodeUtil.cloneNode(body); this.body = adoptChild(body); this.name = name; this.inlineImmediatly = inlineImmediatly; } public static CallTarget createBuiltin(SLContext context, NodeFactory<? extends BuiltinNode> factory, String name) { int argumentCount = factory.getExecutionSignature().size(); TypedNode[] arguments = new TypedNode[argumentCount]; for (int i = 0; i < arguments.length; i++) { arguments[i] = new ReadArgumentNode(i); } BuiltinNode buitinBody = factory.createNode(arguments, context); FunctionRootNode root = new FunctionRootNode(buitinBody, name, true); return Truffle.getRuntime().createCallTarget(root); } public static CallTarget createFunction(StatementNode body, FrameDescriptor frameDescriptor, String name, TypedNode returnValue, String[] parameterNames) { FunctionBodyNode bodyContainer = new FunctionBodyNode(frameDescriptor, body, returnValue, parameterNames); FunctionRootNode root = new FunctionRootNode(bodyContainer, name, false); return Truffle.getRuntime().createCallTarget(root, frameDescriptor); } @Override public Object execute(VirtualFrame frame) { return body.executeGeneric(frame); } public boolean isInlineImmediatly() { return inlineImmediatly; } public TypedNode inline() { return NodeUtil.cloneNode(uninitializedBody); } public Node getUninitializedBody() { return uninitializedBody; } @Override public String toString() { return "function " + name; } public String getName() { return name; } }