Mercurial > hg > truffle
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/LogicNegationNode.java @ 18995:a2cb19764970
Rename MergeNode to AbstractMergeNode.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Wed, 28 Jan 2015 01:04:20 +0100 |
parents | f57d86eb036f |
children | 03adf6499fee |
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/* * Copyright (c) 2013, 2014, 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.spi.*; import com.oracle.graal.nodeinfo.*; /** * Logic node that negates its argument. */ @NodeInfo public class LogicNegationNode extends LogicNode implements Canonicalizable.Unary<LogicNode> { @Input(InputType.Condition) LogicNode value; public LogicNegationNode(LogicNode value) { this.value = value; } public LogicNode getValue() { return value; } @Override public LogicNode canonical(CanonicalizerTool tool, LogicNode forValue) { if (forValue instanceof LogicNegationNode) { return ((LogicNegationNode) forValue).getValue(); } else { return this; } } }