regress-1229.js revision 8b112d2025046f85ef7f6be087c6129c872ebad2 
1// Copyright 2011 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
30// Check that %NewObjectFromBound works correctly when called from optimized
31// frame.
32function foo(x, y, z) {
33  assertEquals(1, x);
34  assertEquals(2, y);
35  assertEquals(3, z);
36}
37
38var bound_arg = [1];
39
40function f(y, z) {
41  return %NewObjectFromBound(foo, bound_arg);
42}
43
44// Check that %NewObjectFromBound looks at correct frame for inlined function.
45function g(z, y) {
46  return f(y, z); /* f should be inlined into g, note rotated arguments */
47}
48
49// Check that %NewObjectFromBound looks at correct frame for inlined function.
50function ff(x) { }
51function h(z2, y2) {
52  var local_z = z2 >> 1;
53  ff(local_z);
54  var local_y = y2 >> 1;
55  ff(local_y);
56  return f(local_y, local_z); /* f should be inlined into h */
57}
58
59for (var i = 0; i < 5; i++) f(2, 3);
60%OptimizeFunctionOnNextCall(f);
61f(2, 3);
62
63for (var i = 0; i < 5; i++) g(3, 2);
64%OptimizeFunctionOnNextCall(g);
65g(3, 2);
66
67for (var i = 0; i < 5; i++) h(6, 4);
68%OptimizeFunctionOnNextCall(h);
69h(6, 4);
70
71// Check that %_IsConstructCall returns correct value when inlined
72var NON_CONSTRUCT_MARKER = {};
73var CONSTRUCT_MARKER = {};
74function baz() {
75  return (!%_IsConstructCall()) ? NON_CONSTRUCT_MARKER : CONSTRUCT_MARKER;
76}
77
78function bar(x, y, z) {
79  var non_construct = baz(); /* baz should be inlined */
80  assertEquals(non_construct, NON_CONSTRUCT_MARKER);
81  var construct = new baz();
82  assertEquals(construct, CONSTRUCT_MARKER);
83}
84
85for (var i = 0; i < 5; i++) new bar(1, 2, 3);
86%OptimizeFunctionOnNextCall(bar);
87bar(1, 2, 3);
88