1 /* 2 * Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 package org.graalvm.compiler.nodes; 24 25 import org.graalvm.compiler.core.common.type.Stamp; 26 import org.graalvm.compiler.graph.NodeClass; 27 import org.graalvm.compiler.graph.spi.Canonicalizable; 28 import org.graalvm.compiler.nodeinfo.NodeInfo; 29 import org.graalvm.compiler.nodes.spi.LIRLowerable; 30 import org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool; 31 32 import jdk.vm.ci.meta.TriState; 33 34 @NodeInfo 35 public abstract class UnaryOpLogicNode extends LogicNode implements LIRLowerable, Canonicalizable.Unary<ValueNode> { 36 37 public static final NodeClass<UnaryOpLogicNode> TYPE = NodeClass.create(UnaryOpLogicNode.class); 38 @Input protected ValueNode value; 39 40 @Override 41 public ValueNode getValue() { 42 return value; 43 } 44 45 public UnaryOpLogicNode(NodeClass<? extends UnaryOpLogicNode> c, ValueNode value) { 46 super(c); 47 assert value != null; 48 this.value = value; 49 } 50 51 @Override 52 public void generate(NodeLIRBuilderTool gen) { 53 } 54 55 public abstract Stamp getSucceedingStampForValue(boolean negated); 56 57 public abstract TriState tryFold(Stamp valueStamp); 58 }