jdk-24/test/hotspot/jtreg/compiler/rangechecks/TestArrayAccessCastIIAboveRC.java
2024-01-11 09:00:44 +00:00

58 lines
1.9 KiB
Java

/*
* Copyright (c) 2023, Red Hat, Inc. 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.
*/
/*
* @test
* @bug 8319793
* @summary Replacing a test with a dominating test can cause an array access CastII to float above a range check that guards it
* @run main/othervm -Xbatch -XX:-TieredCompilation TestArrayAccessCastIIAboveRC
*/
public class TestArrayAccessCastIIAboveRC {
static int N = 400;
static int iArrFld[] = new int[N];
static void test() {
float fArr[] = new float[N];
int i9, i10, i12;
long lArr1[] = new long[N];
for (i9 = 7; i9 < 43; i9++) {
try {
i10 = 7 % i9;
iArrFld[i9 + 1] = i9 / i10;
} catch (ArithmeticException a_e) {
}
for (i12 = 1; 7 > i12; i12++)
lArr1[i9 - 1] = 42;
iArrFld[i12] = 4;
fArr[i9 - 1] = 0;
}
}
public static void main(String[] args) {
for (int i = 0; i < 50_000; ++i) {
test();
}
}
}