jdk-24/test/hotspot/jtreg/compiler/c2/LongCountedLoopAsUnswitchIff.java

59 lines
2.0 KiB
Java

/*
* Copyright (c) 2021, Alibaba Group Holding Limited. 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 8271203
* @summary C2: assert(iff->Opcode() == Op_If || iff->Opcode() == Op_CountedLoopEnd || iff->Opcode() == Op_RangeCheck) failed: Check this code when new subtype is added
* @run main/othervm -Xbatch -XX:-TieredCompilation -XX:CompileOnly=compiler.c2.LongCountedLoopAsUnswitchIff::test compiler.c2.LongCountedLoopAsUnswitchIff
*/
package compiler.c2;
public class LongCountedLoopAsUnswitchIff {
static int iArrFld[] = new int[400];
public static void main(String[] strArr) {
for (int i = 0; i < 10; i++) {
test();
}
}
static void test() {
int i = 56, i2 = 22257;
do {
do {
int i24 = 1;
while (++i24 < 2) {
}
for (long l1 = i; l1 < 2; ++l1) {
iArrFld[0] += 5;
}
} while ((i2 -= 2) > 0);
for (long l3 = 8; l3 < 194; ++l3) {
}
} while (--i > 0);
}
}