| /* |
| * Copyright (c) 2019, Oracle and/or its affiliates. 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 8202952 |
| * @summary C2: Unexpected dead nodes after matching |
| * |
| * @run main/othervm -XX:-TieredCompilation -Xcomp -XX:CompileOnly=::test |
| * compiler.c2.TestMatcherLargeOffset |
| */ |
| package compiler.c2; |
| |
| public class TestMatcherLargeOffset { |
| public static final int N = 400; |
| public static int iArrFld[] = new int[N]; |
| |
| public static void m(int i4) { |
| i4 |= -104; |
| iArrFld[(i4 >>> 1) % N] >>= i4; |
| } |
| |
| public static void test() { |
| int i2 = 1, i24 = 65; |
| for (int i1 = 7; i1 < 384; ++i1) { |
| for (long l = 2; l < 67; l++) { |
| m(i2); |
| for (i24 = 1; 2 > i24; ++i24) { |
| iArrFld = iArrFld; |
| } |
| } |
| i2 = (-229 / i24); |
| } |
| } |
| public static void main(String[] strArr) { |
| for (int i = 0; i < 5; i++ ) { |
| test(); |
| } |
| } |
| } |
