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 8244663
27 * @summary Shenandoah: C2 assertion fails in Matcher::collect_null_checks
28 * @requires vm.flavor == "server"
29 * @requires vm.gc.Shenandoah & !vm.graal.enabled
30 *
31 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:-TieredCompilation -XX:-BackgroundCompilation -XX:-UseOnStackReplacement
32 * -XX:CompileCommand=dontinline,TestShenandoahCmpPAfterCall::not_inlined TestShenandoahCmpPAfterCall
33 *
34 */
35
36 public class TestShenandoahCmpPAfterCall {
37 private static Object field1 = new Object();
38 private static Object field2 = new Object();
39 private static Object o3;
40 private static volatile int barrier;
41
42 public static void main(String[] args) {
43 for (int i = 0; i < 20_000; i++) {
44 test();
45 }
46 }
47
48 private static void test() {
49 Object o1 = null;
|
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 8244663
27 * @summary Shenandoah: C2 assertion fails in Matcher::collect_null_checks
28 * @requires vm.flavor == "server"
29 * @requires vm.gc.Shenandoah
30 *
31 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:-TieredCompilation -XX:-BackgroundCompilation -XX:-UseOnStackReplacement
32 * -XX:CompileCommand=dontinline,TestShenandoahCmpPAfterCall::not_inlined TestShenandoahCmpPAfterCall
33 *
34 */
35
36 public class TestShenandoahCmpPAfterCall {
37 private static Object field1 = new Object();
38 private static Object field2 = new Object();
39 private static Object o3;
40 private static volatile int barrier;
41
42 public static void main(String[] args) {
43 for (int i = 0; i < 20_000; i++) {
44 test();
45 }
46 }
47
48 private static void test() {
49 Object o1 = null;
|