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/*
* Copyright (c) 2025, 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.
*/
/*
* @test
* @bug 8319372 8320909
* @summary Missed optimization in IGVN because `CastIINode::Value` used to
* look for deep structures. Reported in 8320909. Fixed in 8319372.
*
* @run main/othervm
* -XX:CompileCommand=quiet
* -XX:CompileCommand=compileonly,MissedOptCastII::*
* -XX:-TieredCompilation -Xcomp
* -XX:+IgnoreUnrecognizedVMOptions
* -XX:+UnlockDiagnosticVMOptions
* -XX:+StressIGVN -XX:VerifyIterativeGVN=10
* MissedOptCastII
*/
/*
* @test
* @bug 8319372 8320909
*
* @run main/othervm MissedOptCastII
*/
public class MissedOptCastII {
static long res = 0;
static void test() {
int i, i1 = 0, k, l = -4;
for (i = 0; i < 100; i++) {
for (int j = 0; j < 10; j++) {
for (k = 1; k < 2; k++) {
i1 = l;
l += k * k;
if (l != 0) {
res = i + i1 + Float.floatToIntBits(2);
}
}
}
}
res = i + i1;
}
public static void main(String[] args) {
test();
}
}
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