/* * Copyright (c) 2025, 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 id=with-flags * @bug 8373502 * @summary Test where a VPointer variable was pinned at the pre-loop, but not available at the * Auto_Vectorization_Check, and so it should not be used for the auto vectorization * aliasing check, to avoid a bad (circular) graph. * @run main/othervm * -XX:CompileCommand=compileonly,*TestAliasingCheckVPointerVariablesNotAvailable::test * -XX:-TieredCompilation * -Xcomp * ${test.main.class} */ /* * @test id=vanilla * @bug 8373502 * @run main ${test.main.class} */ package compiler.loopopts.superword; public class TestAliasingCheckVPointerVariablesNotAvailable { static int iFld; public static void main(String[] strArr) { test(); } static void test() { int iArr[] = new int[400]; boolean flag = false; for (int i = 6; i < 50000; i++) { // Trigger OSR try { int x = 234 / iFld; iFld = iArr[3]; } catch (ArithmeticException a_e) { } for (int j = i; j < 2; j++) { if (flag) { iArr[j] = 117; } else { iArr[1] = 34; } iArr[1] += i; } } } }