hotspot/test/compiler/6891750/Test6891750.java
changeset 4092 3765f3db43c1
child 5547 f4b087cbb361
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/6891750/Test6891750.java	Thu Oct 15 11:47:13 2009 -0700
@@ -0,0 +1,108 @@
+/*
+ * Copyright 2009 Sun Microsystems, 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+/**
+ * @test
+ * @bug 6891750
+ * @summary deopt blob kills values in O5
+ *
+ * @run main Test6891750
+ */
+
+abstract class Base6891750 extends Thread {
+    abstract public long m();
+}
+class Other6891750 extends Base6891750 {
+    public long m() {
+        return 0;
+    }
+}
+
+public class Test6891750 extends Base6891750 {
+    Base6891750 d;
+    volatile long  value = 9;
+
+    static int limit = 400000;
+
+    Test6891750() {
+        d = this;
+
+    }
+    public long m() {
+        return value;
+    }
+
+    public long test(boolean doit) {
+        if (doit) {
+            long total0 = 0;
+            long total1 = 0;
+            long total2 = 0;
+            long total3 = 0;
+            long total4 = 0;
+            long total5 = 0;
+            long total6 = 0;
+            long total7 = 0;
+            long total8 = 0;
+            long total9 = 0;
+            for (int i = 0; i < limit; i++) {
+                total0 += d.m();
+                total1 += d.m();
+                total2 += d.m();
+                total3 += d.m();
+                total4 += d.m();
+                total5 += d.m();
+                total6 += d.m();
+                total7 += d.m();
+                total8 += d.m();
+                total9 += d.m();
+            }
+            return total0 + total1 + total2 + total3 + total4 + total5 + total6 + total7 + total8 + total9;
+        }
+        return 0;
+    }
+
+    public void run() {
+        long result = test(true);
+        for (int i = 0; i < 300; i++) {
+            long result2 = test(true);
+            if (result != result2) {
+                throw new InternalError(result + " != " + result2);
+            }
+        }
+    }
+
+    public static void main(String[] args) throws Exception {
+        Test6891750 Test6891750 = new Test6891750();
+        // warm it up
+        for (int i = 0; i < 200000; i++) {
+            Test6891750.test(false);
+        }
+        // set in off running
+        Test6891750.start();
+        Thread.sleep(2000);
+
+        // Load a class to invalidate CHA
+        new Other6891750();
+    }
+}