/* * Copyright (c) 2025 IBM Corporation. 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 8373508 * @summary C2: sinking CreateEx out of loop breaks the graph * @run main/othervm -Xbatch -XX:-TieredCompilation ${test.main.class} * @run main ${test.main.class} */ package compiler.loopopts; public class TestCreateExSunkOutOfLoop2 { boolean b; boolean getB() { return b; } void test() { int x = -845; for (int i = 5; i > 1; i -= 2) { try { try { for (Object temp = new byte[x]; ; ) { // infinite loop } } finally { int zeroLimit = 2; for (; zeroLimit < 4; zeroLimit *= 2) { } int zero = 34; for (int peel = 2; peel < zeroLimit; peel++) { zero = 0; } if (zero == 0) { // nop } int flagLimit = 2; for (; flagLimit < 4; flagLimit *= 2) { } boolean flag = getB(); for (int peel = 2; peel < flagLimit; peel++) { if (flag) { break; } } } } catch (Throwable t) { // ignored } } } public static void main(String[] strArr) { TestCreateExSunkOutOfLoop2 t = new TestCreateExSunkOutOfLoop2(); for (int i = 0; i < 10_000; ++i) { t.test(); } } }