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 8134974
27 * @summary Cannot pin eliminated arraycopy loads for deopt state in uncommon trap path if it is a loop predicate unc
28 * @run main/othervm -XX:-BackgroundCompilation -XX:-UseOnStackReplacement TestEliminatedArrayLoopPredicateCopyDeopt
29 *
30 */
31
32 public class TestEliminatedArrayLoopPredicateCopyDeopt {
33
34 static boolean test(int[] array_src) {
35 int[] array_dst = new int[10];
36 System.arraycopy(array_src, 0, array_dst, 0, 10);
37
38 for (int i = 0; i < 100; i++) {
39 array_src[i] = i;
40 }
41 if (array_dst[0] == 0) {
42 return true;
43 }
44 return false;
45 }
46
47 static public void main(String[] args) {
48 int[] array_src = new int[100];
49 for (int i = 0; i < 20000; i++) {
50 test(array_src);
51 }
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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 8134974
27 * @summary Cannot pin eliminated arraycopy loads for deopt state in uncommon trap path if it is a loop predicate unc
28 *
29 * @run main/othervm -XX:-BackgroundCompilation -XX:-UseOnStackReplacement
30 * compiler.arraycopy.TestEliminatedArrayLoopPredicateCopyDeopt
31 */
32
33 package compiler.arraycopy;
34
35 public class TestEliminatedArrayLoopPredicateCopyDeopt {
36
37 static boolean test(int[] array_src) {
38 int[] array_dst = new int[10];
39 System.arraycopy(array_src, 0, array_dst, 0, 10);
40
41 for (int i = 0; i < 100; i++) {
42 array_src[i] = i;
43 }
44 if (array_dst[0] == 0) {
45 return true;
46 }
47 return false;
48 }
49
50 static public void main(String[] args) {
51 int[] array_src = new int[100];
52 for (int i = 0; i < 20000; i++) {
53 test(array_src);
54 }
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