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8324121: SIGFPE in PhaseIdealLoop::extract_long_range_checks
8329163: C2: possible overflow in PhaseIdealLoop::extract_long_range_checks() Backport-of: cb2a6713596548d76c03912709656172b0bbcc76
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59 changes: 59 additions & 0 deletions
59
test/hotspot/jtreg/compiler/rangechecks/TestLargeScaleInLongRCOverflow.java
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/* | ||
* Copyright (c) 2024, 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 8324121 | ||
* @summary SIGFPE in PhaseIdealLoop::extract_long_range_checks | ||
* @run main/othervm -Xcomp -XX:CompileCommand=compileonly,TestLargeScaleInLongRCOverflow::test* -XX:-TieredCompilation TestLargeScaleInLongRCOverflow | ||
* | ||
*/ | ||
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import java.util.Objects; | ||
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public class TestLargeScaleInLongRCOverflow { | ||
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public static void main(String args[]) { | ||
Objects.checkIndex(0, 1); | ||
try { | ||
test1(); | ||
} catch (java.lang.IndexOutOfBoundsException e) { } | ||
try { | ||
test2(); | ||
} catch (java.lang.IndexOutOfBoundsException e) { } | ||
} | ||
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// SIGFPE in PhaseIdealLoop::extract_long_range_checks | ||
public static void test1() { | ||
for (long i = 1; i < 100; i += 2) { | ||
Objects.checkIndex(Long.MIN_VALUE * i, 10); | ||
} | ||
} | ||
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// "assert(static_cast<T1>(result) == thing) failed: must be" in PhaseIdealLoop::transform_long_range_checks | ||
public static void test2() { | ||
for (long i = 1; i < 100; i += 2) { | ||
Objects.checkIndex((Long.MIN_VALUE + 2) * i, 10); | ||
} | ||
} | ||
} |
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