6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
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 * @requires vm.gc.Z & !vm.graal.enabled
27 * @bug 8237859
28 * @summary A LoadP node has a wrong control input (too early) which results in an out-of-bounds read of an object array with ZGC.
29 *
30 * @run main/othervm -XX:+UseZGC compiler.loopopts.TestRangeCheckPredicatesControl
31 * @run main/othervm -XX:+UseZGC -XX:+UnlockDiagnosticVMOptions -XX:+StressGCM compiler.loopopts.TestRangeCheckPredicatesControl
32 */
33
34 package compiler.loopopts;
35
36 public class TestRangeCheckPredicatesControl {
37 static Wrapper w1 = new Wrapper();
38 static Wrapper w2 = new Wrapper();
39 static Wrapper w3 = new Wrapper();
40
41 public static void main(String[] args) {
42 for (int x = 0; x < 10000000; x++) {
43 test(x % 2 == 0);
44 test2(x % 2 == 0, x % 3 == 0);
45 test3(x % 2 == 0);
46 test4(x % 2 == 0);
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6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
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 * @requires vm.gc.Z
27 * @bug 8237859
28 * @summary A LoadP node has a wrong control input (too early) which results in an out-of-bounds read of an object array with ZGC.
29 *
30 * @run main/othervm -XX:+UseZGC compiler.loopopts.TestRangeCheckPredicatesControl
31 * @run main/othervm -XX:+UseZGC -XX:+UnlockDiagnosticVMOptions -XX:+StressGCM compiler.loopopts.TestRangeCheckPredicatesControl
32 */
33
34 package compiler.loopopts;
35
36 public class TestRangeCheckPredicatesControl {
37 static Wrapper w1 = new Wrapper();
38 static Wrapper w2 = new Wrapper();
39 static Wrapper w3 = new Wrapper();
40
41 public static void main(String[] args) {
42 for (int x = 0; x < 10000000; x++) {
43 test(x % 2 == 0);
44 test2(x % 2 == 0, x % 3 == 0);
45 test3(x % 2 == 0);
46 test4(x % 2 == 0);
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