Mercurial > hg > truffle
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/LogicNode.java @ 9244:8f540423a5be
Added two new classes to the Truffle API: CompilerDirectives and CompilerAsserts.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Tue, 23 Apr 2013 11:20:53 +0200 |
parents | 4a6646d8eb87 |
children | e35cf6b23b34 |
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/* * Copyright (c) 2011, 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; import com.oracle.graal.graph.*; import com.oracle.graal.nodes.calc.*; import com.oracle.graal.nodes.spi.*; import com.oracle.graal.nodes.type.*; public abstract class LogicNode extends FloatingNode { public LogicNode(ValueNode... dependencies) { super(StampFactory.condition(), dependencies); } /** * Tells all usages of this node to negate their effect. For example, IfNodes should switch * their true and false successors. */ public void negateUsages() { for (Node n : usages().snapshot()) { assert n instanceof Negatable; ((Negatable) n).negate(); } } // forces all subclasses to canonicalize to BooleanNode instances public abstract LogicNode canonical(CanonicalizerTool tool); }