1 /*
2 * Copyright (c) 2021, Huawei Technologies Co., Ltd. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
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 * @bug 8261137
27 * @requires vm.flavor == "server"
28 * @summary Verify that box object identity matches after deoptimization when it is eliminated.
29 * @library /test/lib
30 *
31 * @run main/othervm -Xbatch compiler.eliminateAutobox.TestIdentityWithEliminateBoxInDebugInfo
32 */
33
34 package compiler.eliminateAutobox;
35
36 import jdk.test.lib.Asserts;
37
38 public class TestIdentityWithEliminateBoxInDebugInfo {
39 interface TestF {
40 void apply(boolean condition);
41 }
42
43 public static void helper(TestF f) {
44 // warmup
45 for (int i = 0; i < 100000; i++) {
46 f.apply(true);
47 }
48 // deoptimize
50 }
51
52 public static void runTest() throws Exception {
53 helper((c) -> {
54 Integer a = Integer.valueOf(42);
55 Integer b = Integer.valueOf(-42);
56 if (!c) {
57 Asserts.assertTrue(a == Integer.valueOf(42));
58 Asserts.assertTrue(b == Integer.valueOf(-42));
59 }
60 });
61
62 helper((c) -> {
63 long highBitsOnly = 2L << 40;
64 Long a = Long.valueOf(42L);
65 Long b = Long.valueOf(-42L);
66 Long h = Long.valueOf(highBitsOnly);
67 if (!c) {
68 Asserts.assertTrue(a == Long.valueOf(42L));
69 Asserts.assertTrue(b == Long.valueOf(-42L));
70 Asserts.assertFalse(h == Long.valueOf(highBitsOnly));
71 }
72 });
73
74 helper((c) -> {
75 Character a = Character.valueOf('a');
76 Character b = Character.valueOf('Z');
77 if (!c) {
78 Asserts.assertTrue(a == Character.valueOf('a'));
79 Asserts.assertTrue(b == Character.valueOf('Z'));
80 }
81 });
82
83 helper((c) -> {
84 Short a = Short.valueOf((short)42);
85 Short b = Short.valueOf((short)-42);
86 if (!c) {
87 Asserts.assertTrue(a == Short.valueOf((short)42));
88 Asserts.assertTrue(b == Short.valueOf((short)-42));
89 }
90 });
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1 /*
2 * Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 2021, Huawei Technologies Co., Ltd. All rights reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 */
24
25 /*
26 * @test
27 * @bug 8261137
28 * @requires vm.flavor == "server"
29 * @enablePreview
30 * @summary Verify that box object content matches after deoptimization when it is eliminated.
31 * @library /test/lib
32 *
33 * @run main/othervm -Xbatch compiler.eliminateAutobox.TestIdentityWithEliminateBoxInDebugInfo
34 */
35
36 package compiler.eliminateAutobox;
37
38 import jdk.test.lib.Asserts;
39
40 public class TestIdentityWithEliminateBoxInDebugInfo {
41 interface TestF {
42 void apply(boolean condition);
43 }
44
45 public static void helper(TestF f) {
46 // warmup
47 for (int i = 0; i < 100000; i++) {
48 f.apply(true);
49 }
50 // deoptimize
52 }
53
54 public static void runTest() throws Exception {
55 helper((c) -> {
56 Integer a = Integer.valueOf(42);
57 Integer b = Integer.valueOf(-42);
58 if (!c) {
59 Asserts.assertTrue(a == Integer.valueOf(42));
60 Asserts.assertTrue(b == Integer.valueOf(-42));
61 }
62 });
63
64 helper((c) -> {
65 long highBitsOnly = 2L << 40;
66 Long a = Long.valueOf(42L);
67 Long b = Long.valueOf(-42L);
68 Long h = Long.valueOf(highBitsOnly);
69 if (!c) {
70 Asserts.assertTrue(a == Long.valueOf(42L));
71 Asserts.assertTrue(b == Long.valueOf(-42L));
72 Asserts.assertTrue(h == Long.valueOf(highBitsOnly));
73 }
74 });
75
76 helper((c) -> {
77 Character a = Character.valueOf('a');
78 Character b = Character.valueOf('Z');
79 if (!c) {
80 Asserts.assertTrue(a == Character.valueOf('a'));
81 Asserts.assertTrue(b == Character.valueOf('Z'));
82 }
83 });
84
85 helper((c) -> {
86 Short a = Short.valueOf((short)42);
87 Short b = Short.valueOf((short)-42);
88 if (!c) {
89 Asserts.assertTrue(a == Short.valueOf((short)42));
90 Asserts.assertTrue(b == Short.valueOf((short)-42));
91 }
92 });
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