test/compiler/whitebox/GetNMethodTest.java

Mon, 28 Jul 2014 15:06:38 -0700

author
fzhinkin
date
Mon, 28 Jul 2014 15:06:38 -0700
changeset 6997
dbb05f6d93c4
parent 0
f90c822e73f8
permissions
-rw-r--r--

8051344: JVM crashed in Compile::start() during method parsing w/ UseRTMDeopt turned on
Summary: call rtm_deopt() only if there were no compilation bailouts before.
Reviewed-by: kvn

     1 /*
     2  * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     4  *
     5  * This code is free software; you can redistribute it and/or modify it
     6  * under the terms of the GNU General Public License version 2 only, as
     7  * published by the Free Software Foundation.
     8  *
     9  * This code is distributed in the hope that it will be useful, but WITHOUT
    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    12  * version 2 for more details (a copy is included in the LICENSE file that
    13  * accompanied this code).
    14  *
    15  * You should have received a copy of the GNU General Public License version
    16  * 2 along with this work; if not, write to the Free Software Foundation,
    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    18  *
    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    20  * or visit www.oracle.com if you need additional information or have any
    21  * questions.
    22  *
    23  */
    25 import sun.hotspot.code.NMethod;
    27 /*
    28  * @test GetNMethodTest
    29  * @bug 8038240
    30  * @library /testlibrary /testlibrary/whitebox
    31  * @build GetNMethodTest
    32  * @run main ClassFileInstaller sun.hotspot.WhiteBox
    33  * @run main/othervm -Xbootclasspath/a:. -Xmixed -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:CompileCommand=compileonly,SimpleTestCase$Helper::* GetNMethodTest
    34  * @summary testing of WB::getNMethod()
    35  * @author igor.ignatyev@oracle.com
    36  */
    37 public class GetNMethodTest extends CompilerWhiteBoxTest {
    38     public static void main(String[] args) throws Exception {
    39         CompilerWhiteBoxTest.main(GetNMethodTest::new, args);
    40     }
    42     private GetNMethodTest(TestCase testCase) {
    43         super(testCase);
    44         // to prevent inlining of #method
    45         WHITE_BOX.testSetDontInlineMethod(method, true);
    46     }
    48     @Override
    49     protected void test() throws Exception {
    50         checkNotCompiled();
    52         compile();
    53         checkCompiled();
    54         NMethod nmethod = NMethod.get(method, testCase.isOsr());
    55         if (IS_VERBOSE) {
    56             System.out.println("nmethod = " + nmethod);
    57         }
    58         if (nmethod == null) {
    59             throw new RuntimeException("nmethod of compiled method is null");
    60         }
    61         if (nmethod.insts.length == 0) {
    62             throw new RuntimeException("compiled method's instructions is empty");
    63         }
    64         deoptimize();
    65         checkNotCompiled();
    66         nmethod = NMethod.get(method, testCase.isOsr());
    67         if (nmethod != null) {
    68             throw new RuntimeException("nmethod of non-compiled method isn't null");
    69         }
    70     }
    71 }

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