jdk-24/test/hotspot/jtreg/compiler/controldependency/TestAntiDependencyForPinnedLoads.java
2024-10-08 23:21:44 +00:00

45 lines
1.8 KiB
Java

/*
* 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.
*
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*/
/**
* @test
* @bug 8337066
* @summary Test that MergeMem is skipped when looking for stores
* @run main/othervm -Xbatch -XX:-TieredCompilation
* -XX:CompileCommand=compileonly,java.lang.StringUTF16::reverse
* compiler.controldependency.TestAntiDependencyForPinnedLoads
*/
package compiler.controldependency;
public class TestAntiDependencyForPinnedLoads {
public static void main(String[] args) {
for(int i = 0; i < 50_000; i++) {
String str = "YYYY年MM月DD日";
StringBuffer strBuffer = new StringBuffer(str);
String revStr = strBuffer.reverse().toString();
if (!revStr.equals("日DD月MM年YYYY")) throw new InternalError("FAIL");
}
}
}