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 8027422
27 * @summary type methods shouldn't always operate on speculative part
28 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:TypeProfileLevel=222 -XX:+UseTypeSpeculation -XX:-BackgroundCompilation TestSpeculationFailedHigherEqual
29 *
30 */
31
32 public class TestSpeculationFailedHigherEqual {
33
34 static class A {
35 void m() {}
36 int i;
37 }
38
39 static class C extends A {
40 }
41
42 static C c;
43
44 static A m1(A a, boolean cond) {
45 // speculative type for a is C not null
46 if (cond ) {
47 a = c;
48 }
49 // speculative type for a is C (may be null)
50 int i = a.i;
51 return a;
|
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 8027422
27 * @summary type methods shouldn't always operate on speculative part
28 *
29 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:TypeProfileLevel=222
30 * -XX:+UseTypeSpeculation -XX:-BackgroundCompilation
31 * compiler.types.TestSpeculationFailedHigherEqual
32 */
33
34 package compiler.types;
35
36 public class TestSpeculationFailedHigherEqual {
37
38 static class A {
39 void m() {}
40 int i;
41 }
42
43 static class C extends A {
44 }
45
46 static C c;
47
48 static A m1(A a, boolean cond) {
49 // speculative type for a is C not null
50 if (cond ) {
51 a = c;
52 }
53 // speculative type for a is C (may be null)
54 int i = a.i;
55 return a;
|