/* * 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 * @bug 8361699 * @summary Check that NSR state propagate correctly to initially reducible Phis * and turns them into non-reducible Phis. * @run main/othervm -XX:CompileCommand=compileonly,*TestReduceAllocationNotReducibleAnymore*::* * -XX:CompileCommand=dontinline,*TestReduceAllocationNotReducibleAnymore*::* * -Xcomp compiler.escapeAnalysis.TestReduceAllocationNotReducibleAnymore * @run main compiler.escapeAnalysis.TestReduceAllocationNotReducibleAnymore */ package compiler.escapeAnalysis; public class TestReduceAllocationNotReducibleAnymore { public static void main(String[] args) { for (int i = 0; i < 100; i++) { test(4, null); } } static void test(int x, A a) { Object[] objects = { new Object() }; Object object = new Object(); for (int i = 0; i < 150; i++) { try { objects[x] = object; object = new byte[10]; } catch (ArrayIndexOutOfBoundsException e) { } try { a.foo(); } catch (NullPointerException e) { } } } class A { void foo() {} } }