| /* |
| * Copyright (c) 2019, Red Hat, Inc. 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 8234350 |
| * @summary loop unrolling breaks when outer strip mined loop contains dead node |
| * |
| * @run main/othervm -Xcomp -XX:-TieredCompilation -XX:CompileOnly=DeadNodesInOuterLoopAtLoopCloning2 DeadNodesInOuterLoopAtLoopCloning2 |
| * |
| */ |
| |
| public class DeadNodesInOuterLoopAtLoopCloning2 { |
| public static void vMeth(boolean b, int i, float f) { |
| int i1=-4, i2=14, i16=10; |
| byte by=116; |
| |
| for (i1 = 323; i1 > 3; i1 -= 2) { |
| if (i2 != 0) { |
| return; |
| } |
| for (i16 = 1; i16 < 10; i16++) { |
| i2 = by; |
| i += (i16 - i2); |
| i2 -= i16; |
| if (b) { |
| i = by; |
| } |
| i2 *= 20; |
| } |
| } |
| } |
| |
| public static void main(String[] strArr) { |
| DeadNodesInOuterLoopAtLoopCloning2 _instance = new DeadNodesInOuterLoopAtLoopCloning2(); |
| for (int i = 0; i < 10; i++ ) { |
| _instance.vMeth(true, 168, -125.661F); |
| } |
| } |
| } |
