| /* |
| * Copyright (c) 2020, Red Hat, Inc. 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. |
| */ |
| |
| /** |
| * @test |
| * @bug 8254887 |
| * @summary C2: assert(cl->trip_count() > 0) failed: peeling a fully unrolled loop |
| * |
| * @run main/othervm -Xbatch TestPeelingNeverEnteredLoop |
| * |
| */ |
| |
| public class TestPeelingNeverEnteredLoop { |
| |
| public static final int N = 400; |
| |
| public static byte byFld=83; |
| |
| public static void lMeth() { |
| |
| int iArr1[][]=new int[N][N]; |
| byte byArr[][]=new byte[N][N]; |
| |
| int i10 = 1; |
| do { |
| int i11 = 1; |
| do { |
| iArr1[i10 - 1][i11] = TestPeelingNeverEnteredLoop.byFld; |
| byArr[i10][i11] -= (byte)-20046; |
| for (int i12 = 1; 1 > i12; ++i12) { |
| } |
| } while (++i11 < 8); |
| } while (++i10 < 212); |
| } |
| |
| public static void main(String[] strArr) { |
| TestPeelingNeverEnteredLoop _instance = new TestPeelingNeverEnteredLoop(); |
| for (int i = 0; i < 1500; i++ ) { |
| _instance.lMeth(); |
| } |
| } |
| } |
