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 8159620
27 * @summary testing that -XX:-UseOnStackReplacement works with both -XX:(+/-)TieredCompilation
28 * @modules java.base/jdk.internal.misc
29 * @library /testlibrary /test/lib /
30 * @build sun.hotspot.WhiteBox
31 * @run main ClassFileInstaller sun.hotspot.WhiteBox
32 * sun.hotspot.WhiteBox$WhiteBoxPermission
33 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:+PrintCompilation
34 * -XX:-BackgroundCompilation -XX:-TieredCompilation -XX:-UseOnStackReplacement DisableOSRTest
35 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:+PrintCompilation
36 * -XX:-BackgroundCompilation -XX:+TieredCompilation -XX:-UseOnStackReplacement DisableOSRTest
37 */
38
39 import java.lang.reflect.Method;
40 import java.util.Random;
41 import sun.hotspot.WhiteBox;
42
43 public class DisableOSRTest {
44 private static final WhiteBox WB = WhiteBox.getWhiteBox();
45 private static final Random RANDOM = new Random();
46
47 public static int foo() {
48 return RANDOM.nextInt();
49 }
50
51 public static void main(String[] args) throws Exception {
52 Method m = DisableOSRTest.class.getMethod("main", String[].class);
53
54 for (int i = 0; i < 100_000; i++) {
55 foo();
56 }
57
58 if (WB.isMethodCompiled(m, true /* isOsr */)) {
59 throw new RuntimeException("\"" + m + "\" shouldn't be OSR compiled if running with -XX:-UseOnStackReplacement!");
60 }
61 }
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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 8159620
27 * @summary testing that -XX:-UseOnStackReplacement works with both -XX:(+/-)TieredCompilation
28 * @modules java.base/jdk.internal.misc
29 * @library /testlibrary /test/lib /
30 *
31 * @build sun.hotspot.WhiteBox
32 * @run driver ClassFileInstaller sun.hotspot.WhiteBox
33 * sun.hotspot.WhiteBox$WhiteBoxPermission
34 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:+PrintCompilation
35 * -XX:-BackgroundCompilation -XX:-TieredCompilation -XX:-UseOnStackReplacement
36 * compiler.interpreter.DisableOSRTest
37 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:+PrintCompilation
38 * -XX:-BackgroundCompilation -XX:+TieredCompilation -XX:-UseOnStackReplacement
39 * compiler.interpreter.DisableOSRTest
40 */
41
42 package compiler.interpreter;
43
44 import sun.hotspot.WhiteBox;
45
46 import java.lang.reflect.Method;
47 import java.util.Random;
48
49 public class DisableOSRTest {
50 private static final WhiteBox WB = WhiteBox.getWhiteBox();
51 private static final Random RANDOM = new Random();
52
53 public static int foo() {
54 return RANDOM.nextInt();
55 }
56
57 public static void main(String[] args) throws Exception {
58 Method m = DisableOSRTest.class.getMethod("main", String[].class);
59
60 for (int i = 0; i < 100_000; i++) {
61 foo();
62 }
63
64 if (WB.isMethodCompiled(m, true /* isOsr */)) {
65 throw new RuntimeException("\"" + m + "\" shouldn't be OSR compiled if running with -XX:-UseOnStackReplacement!");
66 }
67 }
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