1 /* 2 * Copyright (c) 2012, 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 24 25 package org.graalvm.compiler.graph.spi; 26 27 /** 28 * This interface allows nodes to perform more complicated simplifications, in contrast to 29 * {@link Canonicalizable}, which supports only replacing the current node. 30 * 31 * Implementors of this interface need to be aware that they need to call 32 * {@link SimplifierTool#addToWorkList(org.graalvm.compiler.graph.Node)} for each node that might be 33 * influenced (in terms of simplification and canonicalization) by the actions performed in 34 * simplify. 35 */ 36 public interface Simplifiable { 37 38 void simplify(SimplifierTool tool); 39 }