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 f_store(test, test2, a, i) {
31  var o = [0.5,1,,3];
32  var d;
33  if (test) {
34    d = 1.5;
35  } else {
36    d = o[i];
37  }
38  if (test2) {
39    d += 1;
40  }
41  a[i] = d;
42  return d;
43}
44
45var a1 = [0, 0, 0, {}];
46f_store(true, false, a1, 0);
47f_store(true, true, a1, 0);
48f_store(false, false, a1, 1);
49f_store(false, true, a1, 1);
50%OptimizeFunctionOnNextCall(f_store);
51f_store(false, false, a1, 2);
52assertEquals(undefined, a1[2]);
53
54function test_arg(expected) {
55  return function(v) {
56    assertEquals(expected, v);
57  }
58}
59
60function f_call(f, test, test2, i) {
61  var o = [0.5,1,,3];
62  var d;
63  if (test) {
64    d = 1.5;
65  } else {
66    d = o[i];
67  }
68  if (test2) {
69    d += 1;
70  }
71  f(d);
72  return d;
73}
74
75f_call(test_arg(1.5), true, false, 0);
76f_call(test_arg(2.5), true, true, 0);
77f_call(test_arg(1), false, false, 1);
78f_call(test_arg(2), false, true, 1);
79%OptimizeFunctionOnNextCall(f_call);
80f_call(test_arg(undefined), false, false, 2);
81
82
83function f_external(test, test2, test3, a, i) {
84  var o = [0.5,1,,3];
85  var d;
86  if (test) {
87    d = 1.5;
88  } else {
89    d = o[i];
90  }
91  if (test2) {
92    d += 1;
93  }
94  if (test3) {
95    d = d|0;
96  }
97  a[d] = 1;
98  assertEquals(1, a[d]);
99  return d;
100}
101
102var a2 = new Int32Array(10);
103f_external(true, false, true, a2, 0);
104f_external(true, true, true, a2, 0);
105f_external(false, false, true, a2, 1);
106f_external(false, true, true, a2, 1);
107%OptimizeFunctionOnNextCall(f_external);
108f_external(false, false, false, a2, 2);
109assertEquals(1, a2[undefined]);
110