/* * Copyright (c) 2021, 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 8263189 * @summary C2: assert(!had_error) failed: bad dominance * * @run main/othervm -Xcomp -XX:-TieredCompilation -XX:CompileOnly=TestDeadLongPhi TestDeadLongPhi * */ public class TestDeadLongPhi { static int N = 400; static long instanceCount; public static void main(String[] strArr) { for (int i = 0; i < 10 ; i++) { mainTest(); } } static void mainTest() { vMeth(); } static void vMeth() { int i17 = 89, i18, i19 = 44, i20 = 2, iArr3[] = new int[N]; long l2, lArr[] = new long[N]; byte by = 22; init(iArr3, 131); for (i18 = 2; i18 < 350; ++i18) { i17 /= 8; for (l2 = 5; l2 > i18; l2 -= 2) { switch ((i18 % 3)) { case 8: iArr3[i18] |= i17; break; case 9: i20 += (((l2) + by) - i19); i19 += instanceCount; case 10: } } } } public static void init(int[] a, int seed) { for (int j = 0; j < a.length; j++) { a[j] = (j % 2 == 0) ? seed + j : seed - j; } } }