1 /* 2 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /** 25 * @test 26 * @bug 8147645 27 * @summary Array.fill intrinsification code doesn't mark replaced control as dead 28 * 29 * @run main/othervm -XX:-TieredCompilation 30 * -XX:CompileCommand=dontinline,compiler.loopopts.TestArraysFillDeadControl::dont_inline 31 * compiler.loopopts.TestArraysFillDeadControl 32 */ 33 34 package compiler.loopopts; 35 36 import java.util.Arrays; 37 38 public class TestArraysFillDeadControl { 39 dont_inline()40 static void dont_inline() { 41 } 42 43 static int i = 1; 44 main(String[] args)45 public static void main(String[] args) { 46 for (int j = 0; j < 200000; j++) { 47 int[] a = new int[2]; 48 int b = i; 49 50 Arrays.fill(a, 1); 51 Arrays.fill(a, 1+b); 52 53 dont_inline(); 54 } 55 } 56 } 57