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 8134321
27 * @summary Code that capture field values of eliminated allocation at a safepoint when there's an arraycopy behind a Phi is broken
28 * @run main/othervm -XX:-BackgroundCompilation -XX:-UseOnStackReplacement TestEliminatedArrayCopyPhi
29 *
30 */
31
32 public class TestEliminatedArrayCopyPhi {
33
34 static int[] escaped;
35
36 static void test(int[] src, boolean flag1, boolean flag2) {
37 int[] array = new int[10];
38 if (flag1) {
39 System.arraycopy(src, 0, array, 0, src.length);
40 } else {
41 }
42
43 if (flag2) {
44 // never taken
45 escaped = array;
46 }
47 }
48
49 public static void main(String[] args) {
50 int[] src = new int[10];
51 for (int i = 0; i < 20000; i++) {
|
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 8134321
27 * @summary Code that capture field values of eliminated allocation at a safepoint when there's an arraycopy behind a Phi is broken
28 *
29 * @run main/othervm -XX:-BackgroundCompilation -XX:-UseOnStackReplacement
30 * compiler.arraycopy.TestEliminatedArrayCopyPhi
31 */
32
33 package compiler.arraycopy;
34
35 public class TestEliminatedArrayCopyPhi {
36
37 static int[] escaped;
38
39 static void test(int[] src, boolean flag1, boolean flag2) {
40 int[] array = new int[10];
41 if (flag1) {
42 System.arraycopy(src, 0, array, 0, src.length);
43 } else {
44 }
45
46 if (flag2) {
47 // never taken
48 escaped = array;
49 }
50 }
51
52 public static void main(String[] args) {
53 int[] src = new int[10];
54 for (int i = 0; i < 20000; i++) {
|