1 /* 2 * Copyright (c) 2012, 2018, 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.loop; 26 27 import org.graalvm.compiler.graph.NodeBitMap; 28 import org.graalvm.compiler.nodes.FixedNode; 29 30 public class LoopFragmentInsideBefore extends LoopFragmentInside { 31 32 private final FixedNode point; 33 LoopFragmentInsideBefore(LoopEx loop, FixedNode point)34 public LoopFragmentInsideBefore(LoopEx loop, FixedNode point) { 35 super(loop); 36 this.point = point; 37 } 38 39 // duplicates lazily LoopFragmentInsideBefore(LoopFragmentInsideBefore original)40 public LoopFragmentInsideBefore(LoopFragmentInsideBefore original) { 41 super(original); 42 this.point = original.point(); 43 } 44 point()45 public FixedNode point() { 46 return point; 47 } 48 49 @Override duplicate()50 public LoopFragmentInsideBefore duplicate() { 51 return new LoopFragmentInsideBefore(this); 52 } 53 54 @Override nodes()55 public NodeBitMap nodes() { 56 return null; 57 } 58 } 59