81 lines
2.5 KiB
Java
81 lines
2.5 KiB
Java
/*
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* Copyright (c) 2023, Red Hat, Inc. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* bug 8312980
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* @summary C2: "malformed control flow" created during incremental inlining
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* @requires vm.compiler2.enabled
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* @run main/othervm -XX:-TieredCompilation -XX:-BackgroundCompilation -XX:+IgnoreUnrecognizedVMOptions -XX:+AlwaysIncrementalInline TestReplacedNodesAfterLateInline
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*/
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public class TestReplacedNodesAfterLateInline {
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private static B fieldB = new B();
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private static A fieldA = new A();
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private static volatile int volatileField;
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public static void main(String[] args) {
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for (int i = 0; i < 20_000; i++) {
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test(false, fieldA, true);
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test(false, fieldA, false);
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testHelper(fieldB);
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testHelper2(fieldB, true, false, true);
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testHelper2(fieldA, false, true, true);
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continue;
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}
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}
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private static int test(boolean flag, Object o, boolean flag2) {
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if (o == null) {
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}
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if (flag2) {
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return testHelper2(o, true, true, flag);
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}
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return ((A) o).field;
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}
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private static int testHelper2(Object o, boolean flag, boolean flag2, boolean flag3) {
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if (flag3) {
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if (flag) {
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testHelper(o);
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}
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if (flag2) {
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return ((A) o).field;
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}
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}
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volatileField = 42;
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return volatileField;
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}
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private static void testHelper(Object o) {
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B b = (B)o;
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}
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private static class A {
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public int field;
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}
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private static class B {
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}
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}
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