001/*
002 * Copyright (c) 2011, 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;
024
025import jdk.internal.jvmci.meta.*;
026
027import com.oracle.graal.compiler.common.type.*;
028import com.oracle.graal.graph.*;
029import com.oracle.graal.graph.spi.*;
030import com.oracle.graal.nodeinfo.*;
031import com.oracle.graal.nodes.spi.*;
032
033@NodeInfo
034public abstract class UnaryOpLogicNode extends LogicNode implements LIRLowerable, Canonicalizable.Unary<ValueNode> {
035
036    public static final NodeClass<UnaryOpLogicNode> TYPE = NodeClass.create(UnaryOpLogicNode.class);
037    @Input protected ValueNode value;
038
039    public ValueNode getValue() {
040        return value;
041    }
042
043    public UnaryOpLogicNode(NodeClass<? extends UnaryOpLogicNode> c, ValueNode value) {
044        super(c);
045        assert value != null;
046        this.value = value;
047    }
048
049    @Override
050    public void generate(NodeLIRBuilderTool gen) {
051    }
052
053    public abstract Stamp getSucceedingStampForValue(boolean negated);
054
055    public abstract TriState tryFold(Stamp valueStamp);
056}