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
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
|
// Copyright 2017 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 --opt
(function() {
function eq(a, b) { return a == b; }
var o = { [Symbol.toPrimitive]: () => "o" };
%PrepareFunctionForOptimization(eq);
assertTrue(eq(o, o));
assertTrue(eq(o, o));
%OptimizeFunctionOnNextCall(eq);
assertTrue(eq(o, o));
assertTrue(eq("o", o));
%PrepareFunctionForOptimization(eq);
assertTrue(eq(o, "o"));
%OptimizeFunctionOnNextCall(eq);
assertTrue(eq(o, o));
assertTrue(eq("o", o));
assertTrue(eq(o, "o"));
assertOptimized(eq);
})();
(function() {
function ne(a, b) { return a != b; }
var o = { [Symbol.toPrimitive]: () => "o" };
%PrepareFunctionForOptimization(ne);
assertFalse(ne(o, o));
assertFalse(ne(o, o));
%OptimizeFunctionOnNextCall(ne);
assertFalse(ne(o, o));
assertFalse(ne("o", o));
%PrepareFunctionForOptimization(ne);
assertFalse(ne(o, "o"));
%OptimizeFunctionOnNextCall(ne);
assertFalse(ne(o, o));
assertFalse(ne("o", o));
assertFalse(ne(o, "o"));
assertOptimized(ne);
})();
(function() {
function eq(a, b) { return a == b; }
var a = {};
var b = {b};
var u = %GetUndetectable();
%PrepareFunctionForOptimization(eq);
assertTrue(eq(a, a));
assertTrue(eq(b, b));
assertFalse(eq(a, b));
assertFalse(eq(b, a));
assertTrue(eq(a, a));
assertTrue(eq(b, b));
assertFalse(eq(a, b));
assertFalse(eq(b, a));
%OptimizeFunctionOnNextCall(eq);
assertTrue(eq(a, a));
assertTrue(eq(b, b));
assertFalse(eq(a, b));
assertFalse(eq(b, a));
assertTrue(eq(null, u));
%PrepareFunctionForOptimization(eq);
assertTrue(eq(undefined, u));
assertTrue(eq(u, null));
assertTrue(eq(u, undefined));
%OptimizeFunctionOnNextCall(eq);
assertTrue(eq(a, a));
assertTrue(eq(b, b));
assertFalse(eq(a, b));
assertFalse(eq(b, a));
assertTrue(eq(null, u));
assertTrue(eq(undefined, u));
assertTrue(eq(u, null));
assertTrue(eq(u, undefined));
assertOptimized(eq);
})();
(function() {
function ne(a, b) { return a != b; }
var a = {};
var b = {b};
var u = %GetUndetectable();
%PrepareFunctionForOptimization(ne);
assertFalse(ne(a, a));
assertFalse(ne(b, b));
assertTrue(ne(a, b));
assertTrue(ne(b, a));
assertFalse(ne(a, a));
assertFalse(ne(b, b));
assertTrue(ne(a, b));
assertTrue(ne(b, a));
%OptimizeFunctionOnNextCall(ne);
assertFalse(ne(a, a));
assertFalse(ne(b, b));
assertTrue(ne(a, b));
assertTrue(ne(b, a));
assertFalse(ne(null, u));
%PrepareFunctionForOptimization(ne);
assertFalse(ne(undefined, u));
assertFalse(ne(u, null));
assertFalse(ne(u, undefined));
%OptimizeFunctionOnNextCall(ne);
assertFalse(ne(a, a));
assertFalse(ne(b, b));
assertTrue(ne(a, b));
assertTrue(ne(b, a));
assertFalse(ne(null, u));
assertFalse(ne(undefined, u));
assertFalse(ne(u, null));
assertFalse(ne(u, undefined));
assertOptimized(ne);
})();
|
