101 lines
3.1 KiB
Diff
101 lines
3.1 KiB
Diff
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# HG changeset patch
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# User roland
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# Date 1487286884 28800
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# Thu Feb 16 15:14:44 2017 -0800
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# Node ID 1b4eb44fbfcd0fceb485d89d91eb893d99f5864b
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# Parent a9cbaff50d3d7e3a1d2dbdc0121c470142b87270
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8175097, PR3334, RH1417266: [TESTBUG] 8174164 fix missed the test
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Reviewed-by: kvn
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diff --git a/test/compiler/c2/TestReplacedNodesOSR.java b/test/compiler/c2/TestReplacedNodesOSR.java
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new file mode 100644
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--- /dev/null
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+++ openjdk/hotspot/test/compiler/c2/TestReplacedNodesOSR.java
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@@ -0,0 +1,86 @@
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+/*
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+ * Copyright (c) 2017, 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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+/**
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+ * @test
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+ * @bug 8174164
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+ * @summary SafePointNode::_replaced_nodes breaks with irreducible loops
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+ * @run main/othervm -XX:-BackgroundCompilation TestReplacedNodesOSR
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+ *
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+ */
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+
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+public class TestReplacedNodesOSR {
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+
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+ static Object dummy;
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+
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+ static interface I {
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+ }
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+
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+ static class A implements I {
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+ }
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+
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+ static final class MyException extends Exception {
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+ }
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+
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+ static final A obj = new A();
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+ static I static_field() { return obj; }
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+
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+ // When OSR compiled, this method has an irreducible loop
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+ static void test(int v, MyException e) {
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+ int i = 0;
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+ for (;;) {
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+ if (i == 1000) {
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+ break;
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+ }
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+ try {
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+ if ((i%2) == 0) {
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+ int j = 0;
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+ for (;;) {
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+ j++;
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+ if (i+j != v) {
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+ if (j == 1000) {
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+ break;
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+ }
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+ } else {
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+ A a = (A)static_field();
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+ // replaced node recorded here
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+ throw e;
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+ }
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+ }
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+ }
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+ } catch(MyException ex) {
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+ }
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+ i++;
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+ // replaced node applied on return of the method
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+ // replaced node used here
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+ dummy = static_field();
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+ }
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+ }
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+
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+
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+ static public void main(String[] args) {
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+ for (int i = 0; i < 1000; i++) {
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+ test(1100, new MyException());
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+ }
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+ }
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+}
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