001/* 002 * Copyright (c) 2012, 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.graph.spi; 024 025/** 026 * This interface allows nodes to perform more complicated simplifications, in contrast to 027 * {@link Canonicalizable}, which supports only replacing the current node. 028 * 029 * Implementors of this interface need to be aware that they need to call 030 * {@link SimplifierTool#addToWorkList(com.oracle.graal.graph.Node)} for each node that might be 031 * influenced (in terms of simplification and canonicalization) by the actions performed in 032 * simplify. 033 */ 034public interface Simplifiable { 035 036 void simplify(SimplifierTool tool); 037}