blob: a2028919000ffce52bbd40b5ebefe02684e4a482 [file] [log] [blame]
Steve Block44f0eee2011-05-26 01:26:41 +01001// Copyright 2011 the V8 project authors. All rights reserved.
Steve Blocka7e24c12009-10-30 11:49:00 +00002// 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
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23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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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
Steve Block44f0eee2011-05-26 01:26:41 +010028// Regression test for GVN on field loads.
Steve Blocka7e24c12009-10-30 11:49:00 +000029
Steve Block44f0eee2011-05-26 01:26:41 +010030function bar() {}
Steve Blocka7e24c12009-10-30 11:49:00 +000031
Steve Block44f0eee2011-05-26 01:26:41 +010032// Make sure there is a transition on adding "bar" inobject property.
33var b = new bar();
34b.bar = "bar";
Steve Blocka7e24c12009-10-30 11:49:00 +000035
Steve Block44f0eee2011-05-26 01:26:41 +010036function test(a) {
37 var b = new Array(10);
38 for (var i = 0; i < 10; i++) {
39 b[i] = new bar();
40 }
Steve Blocka7e24c12009-10-30 11:49:00 +000041
Steve Block44f0eee2011-05-26 01:26:41 +010042 for (var i = 0; i < 10; i++) {
43 b[i].bar = a.foo;
44 }
Steve Block6ded16b2010-05-10 14:33:55 +010045}
Steve Block44f0eee2011-05-26 01:26:41 +010046
47// Create an object with fast backing store properties.
48var a = {};
49a.p1 = "";
50a.p2 = "";
51a.p3 = "";
52a.p4 = "";
53a.p5 = "";
54a.p6 = "";
55a.p7 = "";
56a.p8 = "";
57a.p9 = "";
58a.p10 = "";
59a.p11 = "";
60a.foo = "foo";
61for (var i = 0; i < 100000; i++) {
62 test(a);
63}
64
65test("");