/* * Copyright (c) 2023, 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 8301093 * @summary Verify failure to intrinsify does not pollute control flow * @modules java.base/jdk.internal.util * * @run main/othervm -Xbatch -XX:-TieredCompilation compiler.intrinsics.TestArraysHashCode */ package compiler.intrinsics; import jdk.internal.util.ArraysSupport; public class TestArraysHashCode { static int type; static byte[] bytes; public static void main(String[] args) { // read bytes = new byte[256]; type = ArraysSupport.T_BOOLEAN; testIntrinsicWithConstantType(); testIntrinsicWithNonConstantType(); } private static void testIntrinsicWithConstantType() { for (int i = 0; i < 20_000; i++) { testIntrinsic(bytes, ArraysSupport.T_BOOLEAN); } } // ok, but shouldn't be intrinsified due the non-constant type private static void testIntrinsicWithNonConstantType() { type = ArraysSupport.T_BOOLEAN; for (int i = 0; i < 20_000; i++) { testIntrinsic(bytes, type); } } private static int testIntrinsic(byte[] bytes, int type) { return ArraysSupport.vectorizedHashCode(bytes, 0, 256, 1, type); } }