1// Copyright 2013 the V8 project authors. All rights reserved.
2// Redistribution and use in source and binary forms, with or without
3// modification, are permitted provided that the following conditions are
4// met:
5//
6//     * Redistributions of source code must retain the above copyright
7//       notice, this list of conditions and the following disclaimer.
8//     * Redistributions in binary form must reproduce the above
9//       copyright notice, this list of conditions and the following
10//       disclaimer in the documentation and/or other materials provided
11//       with the distribution.
12//     * Neither the name of Google Inc. nor the names of its
13//       contributors may be used to endorse or promote products derived
14//       from this software without specific prior written permission.
15//
16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
28// Flags: --expose-debug-as debug --allow-natives-syntax
29// Flags: --concurrent-recompilation --block-concurrent-recompilation
30
31if (!%IsConcurrentRecompilationSupported()) {
32  print("Concurrent recompilation is disabled. Skipping this test.");
33  quit();
34}
35
36Debug = debug.Debug
37
38function foo() {
39  var x = 1;
40  return x;
41}
42
43function bar() {
44  var x = 2;
45  return x;
46}
47
48foo();
49// Mark and kick off recompilation.
50%OptimizeFunctionOnNextCall(foo, "concurrent");
51foo();
52
53// Set break points on an unrelated function. This clears both optimized
54// and (shared) unoptimized code on foo, and sets both to lazy-compile builtin.
55// Clear the break point immediately after to deactivate the debugger.
56// Do all of this after compile graph has been created.
57Debug.setBreakPoint(bar, 0, 0);
58Debug.clearAllBreakPoints();
59
60// At this point, concurrent recompilation is still blocked.
61assertUnoptimized(foo, "no sync");
62// Let concurrent recompilation proceed.
63%UnblockConcurrentRecompilation();
64
65// Install optimized code when concurrent optimization finishes.
66// This needs to be able to deal with shared code being a builtin.
67assertUnoptimized(foo, "sync");
68