/* * Copyright (c) 2026, 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. */ package compiler.controldependency; /* * @test * @bug 8385420 * @summary C2 correctly handles the case when the removed CastPPNode has a CMove use. * @run main ${test.main.class} * @run main/othervm -Xbatch -XX:CompileOnly=${test.main.class}::test * -XX:+UnlockDiagnosticVMOptions -XX:+StressGCM ${test.main.class} * */ public class TestRemoveCastPPWithCMoveUse { public static void main(String[] args) { for (int i = 0; i < 10_000; i++) { test(null, false); test(null, true); test("", false); test("", true); } } static int test(String a, boolean flag) { StringBuilder sb = new StringBuilder(); if (a == null) { sb.append(""); } else { sb.append(flag ? a : ""); } return sb.length(); } }