001/*
002 * Copyright (c) 2014, 2014, Oracle and/or its affiliates. All rights reserved.
003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004 *
005 * This code is free software; you can redistribute it and/or modify it
006 * under the terms of the GNU General Public License version 2 only, as
007 * published by the Free Software Foundation.
008 *
009 * This code is distributed in the hope that it will be useful, but WITHOUT
010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
011 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
012 * version 2 for more details (a copy is included in the LICENSE file that
013 * accompanied this code).
014 *
015 * You should have received a copy of the GNU General Public License version
016 * 2 along with this work; if not, write to the Free Software Foundation,
017 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
018 *
019 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
020 * or visit www.oracle.com if you need additional information or have any
021 * questions.
022 */
023package com.oracle.graal.nodes.calc;
024
025import com.oracle.graal.compiler.common.type.*;
026import com.oracle.graal.graph.*;
027import com.oracle.graal.graph.spi.*;
028import com.oracle.graal.nodeinfo.*;
029import com.oracle.graal.nodes.*;
030
031/**
032 * The {@code UnaryNode} class is the base of arithmetic and bit logic operations with exactly one
033 * input.
034 */
035@NodeInfo
036public abstract class UnaryNode extends FloatingNode implements Canonicalizable.Unary<ValueNode> {
037
038    public static final NodeClass<UnaryNode> TYPE = NodeClass.create(UnaryNode.class);
039    @Input protected ValueNode value;
040
041    public ValueNode getValue() {
042        return value;
043    }
044
045    /**
046     * Creates a new UnaryNode instance.
047     *
048     * @param stamp the result type of this instruction
049     * @param value the input instruction
050     */
051    protected UnaryNode(NodeClass<? extends UnaryNode> c, Stamp stamp, ValueNode value) {
052        super(c, stamp);
053        this.value = value;
054    }
055}