1 /*
   2  * Copyright (c) 2017, 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 
  24 /*
  25  * @test
  26  * @library /test/lib
  27  * @modules java.base/jdk.internal.misc:+open
  28  * @build sun.hotspot.WhiteBox
  29  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  30  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
  31  *                   -Xbatch -XX:-TieredCompilation -XX:+AlwaysIncrementalInline
  32  *                   -XX:CompileCommand=compileonly,compiler.ciReplay.TestDumpReplay::* 
  33  *                   compiler.ciReplay.TestDumpReplay
  34  */
  35 
  36 package compiler.ciReplay;
  37 
  38 import sun.hotspot.WhiteBox;
  39 
  40 public class TestDumpReplay {
  41     private static final WhiteBox WHITE_BOX = WhiteBox.getWhiteBox();
  42 
  43     private static final String emptyString;
  44 
  45     static {
  46         emptyString = "";
  47     }
  48 
  49     public static void m1() {
  50         m2();
  51     }
  52 
  53     public static void m2() {
  54         m3();
  55     }
  56 
  57     public static void m3() {
  58 
  59     }
  60 
  61     public static void main(String[] args) {
  62         // Add compiler control directive to force generation of replay file
  63         String directive = "[{ match: \"*.*\", DumpReplay: true }]";
  64         if (WHITE_BOX.addCompilerDirective(directive) != 1) {
  65             throw new RuntimeException("Failed to add compiler directive");
  66         }
  67   
  68         // Trigger compilation of m1
  69         for (int i = 0; i < 10_000; ++i) {
  70             m1();
  71         }
  72     }
  73 }