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8309266: C2: assert(final_con == (jlong)final_int) failed: final valu…
…e should be integer Reviewed-by: roland, chagedorn
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test/hotspot/jtreg/compiler/loopopts/TestLoopLimitOverflowDuringCCP.java
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/* | ||
* 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. | ||
*/ | ||
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/* | ||
* @test | ||
* @bug 8309266 | ||
* @summary Integer overflow in LoopLimit::Value during PhaseCCP::analyze, triggered by the Phi Node from "flag ? Integer.MAX_VALUE : 1000" | ||
* @run main/othervm -Xbatch -XX:CompileOnly=compiler.loopopts.TestLoopLimitOverflowDuringCCP::* compiler.loopopts.TestLoopLimitOverflowDuringCCP | ||
*/ | ||
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package compiler.loopopts; | ||
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public class TestLoopLimitOverflowDuringCCP { | ||
static boolean flag; | ||
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public static void main(String[] strArr) { | ||
for (int i = 0; i < 10000; i++) { | ||
flag = !flag; | ||
test(); | ||
} | ||
} | ||
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public static void test() { | ||
int limit = flag ? Integer.MAX_VALUE : 1000; | ||
int i = 0; | ||
while (i < limit) { | ||
i += 3; | ||
if (flag) { | ||
return; | ||
} | ||
} | ||
} | ||
} |
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