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: --allow-natives-syntax
29
30function a() {
31  var sum = 0;
32  for (var i = 0; i < 500; ++i) {
33    sum = (i + sum) | 0;
34  }
35  return sum;
36}
37
38function b() {
39  var sum = 0;
40  for (var i = -500; i < 0; ++i) {
41    sum = (i + sum) | 0;
42  }
43  return sum;
44}
45
46function c() {
47  var sum = 0;
48  for (var i = 0; i < 500; ++i) {
49    sum += (i + -0x7fffffff) | 0;
50  }
51  return sum;
52}
53
54function d() {
55  var sum = 0;
56  for (var i = -501; i < 0; ++i) {
57    sum += (i + 501) | 0;
58  }
59  return sum;
60}
61
62a();
63a();
64%OptimizeFunctionOnNextCall(a);
65assertEquals(124750, a());
66assertEquals(124750, a());
67
68b();
69b();
70%OptimizeFunctionOnNextCall(b);
71assertEquals(-125250, b());
72assertEquals(-125250, b());
73
74c();
75c();
76%OptimizeFunctionOnNextCall(c);
77assertEquals(-1073741698750, c());
78assertEquals(-1073741698750, c());
79
80d();
81d();
82%OptimizeFunctionOnNextCall(d);
83assertEquals(125250, d());
84assertEquals(125250, d());
85