1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/test/compiler/7103261/Test7103261.java Wed Apr 27 01:25:04 2016 +0800
1.3 @@ -0,0 +1,107 @@
1.4 +/*
1.5 + * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + *
1.26 + */
1.27 +
1.28 +/**
1.29 + * @test
1.30 + * @bug 7103261
1.31 + * @summary crash with jittester on sparc
1.32 + *
1.33 + * @run main Test7103261
1.34 + */
1.35 +
1.36 +// exercise implicit null checking in the compiler for various field types
1.37 +public class Test7103261 {
1.38 + static Test7103261 null_value;
1.39 + static Test7103261 nonnull_value = new Test7103261();
1.40 + static Test7103261 nonnull_value2 = new Test7103261();
1.41 +
1.42 + long l;
1.43 + int i;
1.44 + float f;
1.45 + double d;
1.46 + byte b;
1.47 + char c;
1.48 + short s;
1.49 + boolean z;
1.50 +
1.51 + public static void main(String[] args) {
1.52 + constantStore();
1.53 + valueTest(false);
1.54 + valueTest(true);
1.55 + }
1.56 + static void constantStore() {
1.57 + for (int field = 0; field < 8; field++) {
1.58 + try {
1.59 + Test7103261 o = nonnull_value;
1.60 + for (int i = 0; i < 100000; i++) {
1.61 + switch (field) {
1.62 + case 0: o.l = 0; break;
1.63 + case 1: o.i = 0; break;
1.64 + case 2: o.f = 0; break;
1.65 + case 3: o.d = 0; break;
1.66 + case 4: o.b = 0; break;
1.67 + case 5: o.c = 0; break;
1.68 + case 6: o.s = 0; break;
1.69 + case 7: o.z = false; break;
1.70 + default: throw new InternalError();
1.71 + }
1.72 + if (i == 90000) {
1.73 + // hide nullness from optimizer
1.74 + o = null_value;
1.75 + }
1.76 + }
1.77 + } catch (NullPointerException npe) {
1.78 + }
1.79 + }
1.80 + }
1.81 + static void valueTest(boolean store) {
1.82 + for (int field = 0; field < 8; field++) {
1.83 + try {
1.84 + Test7103261 o = nonnull_value;
1.85 + Test7103261 o2 = nonnull_value2;
1.86 + for (int i = 0; i < 100000; i++) {
1.87 + switch (field) {
1.88 + case 0: o.l = o2.l; break;
1.89 + case 1: o.i = o2.i; break;
1.90 + case 2: o.f = o2.f; break;
1.91 + case 3: o.d = o2.d; break;
1.92 + case 4: o.b = o2.b; break;
1.93 + case 5: o.c = o2.c; break;
1.94 + case 6: o.s = o2.s; break;
1.95 + case 7: o.z = o2.z; break;
1.96 + default: throw new InternalError();
1.97 + }
1.98 + if (i == 90000) {
1.99 + // hide nullness from optimizer
1.100 + if (store)
1.101 + o = null_value;
1.102 + else
1.103 + o2 = null_value;
1.104 + }
1.105 + }
1.106 + } catch (NullPointerException npe) {
1.107 + }
1.108 + }
1.109 + }
1.110 +}
