blob: aec57dda8b8c1d544830fd0b74da75043f040ef1 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
// Copyright 2014 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --allow-natives-syntax
var k = "x";
var o1 = {x: 10};
var o2 = {x: 11, y: 20};
var o3 = {x: 12, y: 20, z: 100};
function f(o) {
var result = 0;
for (var i = 0; i < 100; i++) {
result += o[k];
}
return result;
}
%PrepareFunctionForOptimization(f);
f(o1);
f(o1);
f(o1);
%OptimizeFunctionOnNextCall(f);
assertEquals(1000, f(o1));
%PrepareFunctionForOptimization(f);
f(o2);
f(o2);
f(o2);
%OptimizeFunctionOnNextCall(f);
assertEquals(1100, f(o2));
%PrepareFunctionForOptimization(f);
f(o3);
f(o3);
f(o3);
%OptimizeFunctionOnNextCall(f);
assertEquals(1200, f(o3));
(function CountOperationDeoptimizationGetter() {
var global = {};
global.__defineGetter__("A", function () { return "x"; });
function h() {
return "A";
}
function g(a, b, c) {
try {
return a + b.toString() + c;
} catch (e) { }
}
function test(o) {
return g(1, o[h()]--, 10);
}
%PrepareFunctionForOptimization(test);
test(global);
test(global);
%OptimizeFunctionOnNextCall(test);
print(test(global));
})();
(function CountOperationDeoptimizationPoint() {
function test() {
this[0, ""]--;
}
%PrepareFunctionForOptimization(test);
test();
test();
%OptimizeFunctionOnNextCall(test);
test();
})();
|
