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: --track-fields --track-double-fields --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
36function new_object() {
37  var o = {};
38  o.a = 1;
39  o.b = 2;
40  return o;
41}
42
43function add_field(obj) {
44  obj.c = 3;
45}
46var obj1 = new_object();
47var obj2 = new_object();
48add_field(obj1);
49add_field(obj2);
50%OptimizeFunctionOnNextCall(add_field, "concurrent");
51
52var o = new_object();
53// Kick off recompilation.
54add_field(o);
55// Invalidate transition map after compile graph has been created.
56o.c = 2.2;
57// In the mean time, concurrent recompiling is still blocked.
58assertUnoptimized(add_field, "no sync");
59// Let concurrent recompilation proceed.
60%UnblockConcurrentRecompilation();
61// Sync with background thread to conclude optimization that bailed out.
62assertUnoptimized(add_field, "sync");
63// Clear type info for stress runs.
64%ClearFunctionTypeFeedback(add_field);
65