1// Copyright 2014 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: --allow-natives-syntax --turbo-deoptimization
29
30(function OneByteSeqStringSetCharDeoptOsr() {
31  function deopt() {
32    %DeoptimizeFunction(f);
33  }
34
35  function f(string, osr) {
36    var world = " world";
37    %_OneByteSeqStringSetChar(0, (deopt(), 0x48), string);
38
39    if (osr) while (%GetOptimizationStatus(f) == 2) {}
40
41    return string + world;
42  }
43
44  assertEquals("Hello " + "world", f("hello", false));
45  %OptimizeFunctionOnNextCall(f);
46  assertEquals("Hello " + "world", f("hello", true));
47})();
48
49
50(function OneByteSeqStringSetCharDeopt() {
51  function deopt() {
52    %DeoptimizeFunction(f);
53  }
54
55  function g(x) {
56  }
57
58  function f(string) {
59    g(%_OneByteSeqStringSetChar(0, (deopt(), 0x48), string));
60    return string;
61  }
62
63  assertEquals("Hell" + "o", f("hello"));
64  %OptimizeFunctionOnNextCall(f);
65  assertEquals("Hell" + "o", f("hello"));
66})();
67
68
69(function TwoByteSeqStringSetCharDeopt() {
70  function deopt() {
71    %DeoptimizeFunction(f);
72  }
73
74  function g(x) {
75  }
76
77  function f(string) {
78    g(%_TwoByteSeqStringSetChar(0, (deopt(), 0x48), string));
79    return string;
80  }
81
82  assertEquals("Hell" + "o", f("\u20ACello"));
83  %OptimizeFunctionOnNextCall(f);
84  assertEquals("Hell" + "o", f("\u20ACello"));
85})();
86