1 /*
2 * Copyright (c) 2015, Oracle and/or its affiliates. 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 8076188
27 * @summary arraycopy to non escaping destination may be eliminated
28 * @library /
29 *
30 * @run main/othervm -ea -XX:-BackgroundCompilation -XX:-UseOnStackReplacement
31 * -XX:CompileCommand=dontinline,compiler.arraycopy.TestEliminateArrayCopy*::m*
32 * compiler.arraycopy.TestEliminateArrayCopy
33 *
34 */
35
36 package compiler.arraycopy;
37
38 public class TestEliminateArrayCopy {
39
40 static class CloneTests extends TestInstanceCloneUtils {
41 // object allocation and ArrayCopyNode should be eliminated
42 static void m1(E src) throws CloneNotSupportedException {
43 src.clone();
44 }
45
46 // both object allocations and ArrayCopyNode should be eliminated
47 static void m2(Object dummy) throws CloneNotSupportedException {
48 E src = new E(false);
49 src.clone();
50 }
51
52 // object allocation and ArrayCopyNode should be eliminated. Fields should be loaded from src.
53 static int m3(E src) throws CloneNotSupportedException {
|
1 /*
2 * Copyright (c) 2015, 2020, Oracle and/or its affiliates. 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 8076188 8246153
27 * @summary arraycopy to non escaping destination may be eliminated
28 * @library /
29 *
30 * @run main/othervm -ea -XX:-BackgroundCompilation -XX:-UseOnStackReplacement
31 * -XX:CompileCommand=dontinline,compiler.arraycopy.TestEliminateArrayCopy*::m*
32 * compiler.arraycopy.TestEliminateArrayCopy
33 * @run main/othervm -ea -XX:-BackgroundCompilation -XX:-UseOnStackReplacement
34 * -XX:+IgnoreUnrecognizedVMOptions -XX:+StressReflectiveCode
35 * -XX:CompileCommand=dontinline,compiler.arraycopy.TestEliminateArrayCopy*::m*
36 * compiler.arraycopy.TestEliminateArrayCopy
37 */
38
39 package compiler.arraycopy;
40
41 public class TestEliminateArrayCopy {
42
43 static class CloneTests extends TestInstanceCloneUtils {
44 // object allocation and ArrayCopyNode should be eliminated
45 static void m1(E src) throws CloneNotSupportedException {
46 src.clone();
47 }
48
49 // both object allocations and ArrayCopyNode should be eliminated
50 static void m2(Object dummy) throws CloneNotSupportedException {
51 E src = new E(false);
52 src.clone();
53 }
54
55 // object allocation and ArrayCopyNode should be eliminated. Fields should be loaded from src.
56 static int m3(E src) throws CloneNotSupportedException {
|