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 /**
26 * @test
27 * @bug 8078426
28 * @summary split if finds predicates on several incoming paths when unswitched's loops are optimized out
29 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-UseOnStackReplacement -XX:-BackgroundCompilation -XX:-UseCompressedOops TestSplitIfUnswitchedLoopsEliminated
30 *
31 */
32
33
34 public class TestSplitIfUnswitchedLoopsEliminated {
35
36 static class A {
37 int f;
38 }
39
40 static A aa = new A();
41 static A aaa = new A();
42
43 static int test_helper(int stop, boolean unswitch) {
44 A a = null;
45 for (int i = 3; i < 10; i++) {
46 if (unswitch) {
47 a = null;
48 } else {
49 a = aa;
50 int v = a.f;
51 }
52 }
|
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 /**
26 * @test
27 * @bug 8078426
28 * @summary split if finds predicates on several incoming paths when unswitched's loops are optimized out
29 *
30 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-UseOnStackReplacement
31 * -XX:-BackgroundCompilation -XX:-UseCompressedOops
32 * compiler.loopopts.TestSplitIfUnswitchedLoopsEliminated
33 */
34
35 package compiler.loopopts;
36
37 public class TestSplitIfUnswitchedLoopsEliminated {
38
39 static class A {
40 int f;
41 }
42
43 static A aa = new A();
44 static A aaa = new A();
45
46 static int test_helper(int stop, boolean unswitch) {
47 A a = null;
48 for (int i = 3; i < 10; i++) {
49 if (unswitch) {
50 a = null;
51 } else {
52 a = aa;
53 int v = a.f;
54 }
55 }
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