Mercurial > hg > truffle
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/LogicNegationNode.java @ 11869:18824519c172
Merge.
author | Chris Seaton <chris.seaton@oracle.com> |
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date | Wed, 02 Oct 2013 15:37:06 +0100 |
parents | 1aed684853f6 |
children | 9a747d8e0d0f |
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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; import com.oracle.graal.graph.*; import com.oracle.graal.nodes.spi.*; /** * Logic node that negates its argument. */ public class LogicNegationNode extends LogicNode implements Canonicalizable, IterableNodeType { @Input private LogicNode input; public LogicNegationNode(LogicNode input) { this.input = input; } public LogicNode getInput() { return input; } public ValueNode canonical(CanonicalizerTool tool) { if (input instanceof LogicNegationNode) { return ((LogicNegationNode) input).getInput(); } else { return this; } } }