ceff47b462
Co-authored-by: Stefan Karlsson <stefank@openjdk.org> Co-authored-by: Erik Österlund <eosterlund@openjdk.org> Reviewed-by: ayang, thartmann, kvn
67 lines
2.5 KiB
Java
67 lines
2.5 KiB
Java
/*
|
|
* Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved.
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* This code is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 only, as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This code is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
* version 2 for more details (a copy is included in the LICENSE file that
|
|
* accompanied this code).
|
|
*
|
|
* You should have received a copy of the GNU General Public License version
|
|
* 2 along with this work; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*/
|
|
|
|
package compiler.arraycopy;
|
|
|
|
/**
|
|
* @test
|
|
* @bug 8315082
|
|
* @summary Test that idealization of clone-derived ArrayCopy nodes does not
|
|
* trigger assertion failures for different combinations of
|
|
* constant/variable array length (in number of elements) and array
|
|
* copy length (in words).
|
|
* @run main/othervm -Xbatch -XX:-TieredCompilation
|
|
* -XX:CompileOnly=compiler.arraycopy.TestCloneArrayWithDifferentLengthConstness::test*
|
|
* compiler.arraycopy.TestCloneArrayWithDifferentLengthConstness
|
|
*/
|
|
|
|
public class TestCloneArrayWithDifferentLengthConstness {
|
|
|
|
public static void main(String[] args) {
|
|
for (int i = 0; i < 10_000; i++) {
|
|
testConstantArrayLengthAndConstantArrayCopyLength();
|
|
}
|
|
for (int i = 0; i < 10_000; i++) {
|
|
testVariableArrayLengthAndConstantArrayCopyLength(i % 2 == 0);
|
|
}
|
|
for (int i = 0; i < 10_000; i++) {
|
|
testVariableArrayLengthAndVariableArrayCopyLength(i % 2 == 0);
|
|
}
|
|
}
|
|
|
|
static int[] testConstantArrayLengthAndConstantArrayCopyLength() {
|
|
int[] src = new int[3];
|
|
return (int[])src.clone();
|
|
}
|
|
|
|
static int[] testVariableArrayLengthAndConstantArrayCopyLength(boolean p) {
|
|
int[] src = new int[p ? 3 : 4];
|
|
return (int[])src.clone();
|
|
}
|
|
|
|
static int[] testVariableArrayLengthAndVariableArrayCopyLength(boolean p) {
|
|
int[] src = new int[p ? 3 : 42];
|
|
return (int[])src.clone();
|
|
}
|
|
}
|