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/*
* Copyright (c) 2023, Red Hat, Inc. 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 8312980
* @summary C2: "malformed control flow" created during incremental inlining
* @requires vm.compiler2.enabled
* @run main/othervm -XX:-TieredCompilation -XX:-BackgroundCompilation -XX:+IgnoreUnrecognizedVMOptions -XX:+AlwaysIncrementalInline TestReplacedNodesAfterLateInline
*/
public class TestReplacedNodesAfterLateInline {
private static B fieldB = new B();
private static A fieldA = new A();
private static volatile int volatileField;
public static void main(String[] args) {
for (int i = 0; i < 20_000; i++) {
test(false, fieldA, true);
test(false, fieldA, false);
testHelper(fieldB);
testHelper2(fieldB, true, false, true);
testHelper2(fieldA, false, true, true);
continue;
}
}
private static int test(boolean flag, Object o, boolean flag2) {
if (o == null) {
}
if (flag2) {
return testHelper2(o, true, true, flag);
}
return ((A) o).field;
}
private static int testHelper2(Object o, boolean flag, boolean flag2, boolean flag3) {
if (flag3) {
if (flag) {
testHelper(o);
}
if (flag2) {
return ((A) o).field;
}
}
volatileField = 42;
return volatileField;
}
private static void testHelper(Object o) {
B b = (B)o;
}
private static class A {
public int field;
}
private static class B {
}
}
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