Mercurial > hg > truffle
view graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/ir/NegateBooleanNode.java @ 3481:d95db56f8deb
more work on new node structure, executes scimark, fop, avrora, luindex, lusearch, pmd, h2 and xalan
author | Lukas Stadler <lukas.stadler@jku.at> |
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date | Wed, 03 Aug 2011 11:51:47 +0200 |
parents | f4b46a224d90 |
children | ccf5e0d9eb61 |
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/* * Copyright (c) 2009, 2011, 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.max.graal.compiler.ir; import com.oracle.max.graal.compiler.debug.*; import com.oracle.max.graal.compiler.phases.CanonicalizerPhase.CanonicalizerOp; import com.oracle.max.graal.graph.*; import com.sun.cri.ci.*; public final class NegateBooleanNode extends BooleanNode { @NodeInput private Value value; public Value value() { return value; } public void setValue(Value x) { updateUsages(value, x); value = x; } public NegateBooleanNode(Value value, Graph graph) { super(CiKind.Int, graph); setValue(value); } @Override public void accept(ValueVisitor v) { } @Override public boolean valueEqual(Node i) { return i instanceof NegateBooleanNode; } @Override public void print(LogStream out) { out.print(value()).print("!"); } @Override public Node copy(Graph into) { return new NegateBooleanNode(null, into); } @SuppressWarnings("unchecked") @Override public <T extends Op> T lookup(Class<T> clazz) { if (clazz == CanonicalizerOp.class) { return (T) CANONICALIZER; } return super.lookup(clazz); } private static final CanonicalizerOp CANONICALIZER = new CanonicalizerOp() { @Override public Node canonical(Node node) { NegateBooleanNode negateNode = (NegateBooleanNode) node; Value value = negateNode.value(); if (value instanceof NegateBooleanNode) { return ((NegateBooleanNode) value).value(); } else if (value instanceof Constant) { return Constant.forBoolean(!value.asConstant().asBoolean(), node.graph()); } return negateNode; } }; }