1 /* 2 * Copyright (c) 2019, 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 * @test 26 * @bug 8210392 27 * @summary C2 Assert failure: Live node limit exceeded 28 * 29 * @run main/othervm compiler.loopopts.Test8210392 30 */ 31 32 package compiler.loopopts; 33 34 public class Test8210392 { 35 public static int ival = 17; 36 intFn()37 public static int intFn() { 38 int v = 0, k = 0; 39 for (int i = 17; i < 311; i += 3) { 40 v = Test8210392.ival; 41 int j = 1; 42 do { 43 v *= i; 44 v += j * v; 45 while (++k < 1) 46 ; 47 } while (++j < 13); 48 } 49 return v; 50 } 51 mainTest()52 public void mainTest() { 53 for (int i = 0; i < 30000; i++) { 54 Test8210392.ival = intFn(); 55 } 56 } 57 main(String[] _args)58 public static void main(String[] _args) { 59 Test8210392 tc = new Test8210392(); 60 for (int i = 0; i < 10; i++) { 61 tc.mainTest(); 62 } 63 } 64 } 65 66