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Merge master jdk-17.0.9+4 into openj9-staging
Signed-off-by: J9 Build <j9build@ca.ibm.com>
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58 changes: 58 additions & 0 deletions
58
test/hotspot/jtreg/compiler/c1/TestLoadIndexedMismatch.java
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/* | ||
* Copyright Amazon.com Inc. 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. | ||
*/ | ||
|
||
/* | ||
* @test | ||
* @bug 8313402 | ||
* @summary C1: Incorrect LoadIndexed value numbering | ||
* @requires vm.compiler1.enabled | ||
* @library /compiler/patches /test/lib | ||
* @build java.base/java.lang.Helper | ||
* @run main/othervm -Xbatch -XX:CompileThreshold=100 | ||
* -XX:TieredStopAtLevel=1 | ||
* compiler.c1.TestLoadIndexedMismatch | ||
*/ | ||
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package compiler.c1; | ||
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public class TestLoadIndexedMismatch { | ||
static final byte[] ARR = {42, 42}; | ||
static final char EXPECTED_CHAR = (char)(42*256 + 42); | ||
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public static char work() { | ||
// LoadIndexed (B) | ||
byte b = ARR[0]; | ||
// StringUTF16.getChar intrinsic, LoadIndexed (C) | ||
char c = Helper.getChar(ARR, 0); | ||
return c; | ||
} | ||
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public static void main(String[] args) { | ||
for (int i = 0; i < 10_000; i++) { | ||
char c = work(); | ||
if (c != EXPECTED_CHAR) { | ||
throw new IllegalStateException("Read: " + (int)c + ", expected: " + (int)EXPECTED_CHAR); | ||
} | ||
} | ||
} | ||
} |
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