| /* |
| * Copyright (c) 2011, 2016, 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 7103261 |
| * @summary crash with jittester on sparc |
| * |
| * @run main compiler.c1.Test7103261 |
| */ |
| |
| package compiler.c1; |
| |
| // exercise implicit null checking in the compiler for various field types |
| public class Test7103261 { |
| static Test7103261 null_value; |
| static Test7103261 nonnull_value = new Test7103261(); |
| static Test7103261 nonnull_value2 = new Test7103261(); |
| |
| long l; |
| int i; |
| float f; |
| double d; |
| byte b; |
| char c; |
| short s; |
| boolean z; |
| Object o; |
| |
| public static void main(String[] args) { |
| constantStore(); |
| valueTest(false); |
| valueTest(true); |
| } |
| static void constantStore() { |
| for (int field = 0; field < 9; field++) { |
| try { |
| Test7103261 o = nonnull_value; |
| for (int i = 0; i < 100000; i++) { |
| switch (field) { |
| case 0: o.l = 0; break; |
| case 1: o.i = 0; break; |
| case 2: o.f = 0; break; |
| case 3: o.d = 0; break; |
| case 4: o.b = 0; break; |
| case 5: o.c = 0; break; |
| case 6: o.s = 0; break; |
| case 7: o.z = false; break; |
| case 8: o.o = null; break; |
| default: throw new InternalError(); |
| } |
| if (i == 90000) { |
| // hide nullness from optimizer |
| o = null_value; |
| } |
| } |
| } catch (NullPointerException npe) { |
| } |
| } |
| } |
| static void valueTest(boolean store) { |
| for (int field = 0; field < 9; field++) { |
| try { |
| Test7103261 o = nonnull_value; |
| Test7103261 o2 = nonnull_value2; |
| for (int i = 0; i < 100000; i++) { |
| switch (field) { |
| case 0: o.l = o2.l; break; |
| case 1: o.i = o2.i; break; |
| case 2: o.f = o2.f; break; |
| case 3: o.d = o2.d; break; |
| case 4: o.b = o2.b; break; |
| case 5: o.c = o2.c; break; |
| case 6: o.s = o2.s; break; |
| case 7: o.z = o2.z; break; |
| case 8: o.o = o2.o; break; |
| default: throw new InternalError(); |
| } |
| if (i == 90000) { |
| // hide nullness from optimizer |
| if (store) |
| o = null_value; |
| else |
| o2 = null_value; |
| } |
| } |
| } catch (NullPointerException npe) { |
| } |
| } |
| } |
| } |