blob: 8e1eafa30a806dc50f54ec150a35e644979602f6 (
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
|
// Copyright 2016 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 --fold-constants
var zero = 0;
(function ConstantFoldZeroDivZero() {
function f() {
return 0 / zero;
}
assertTrue(isNaN(f()));
assertTrue(isNaN(f()));
%OptimizeFunctionOnNextCall(f);
assertTrue(isNaN(f()));
})();
(function ConstantFoldMinusZeroDivZero() {
function f() {
return -0 / zero;
}
assertTrue(isNaN(f()));
assertTrue(isNaN(f()));
%OptimizeFunctionOnNextCall(f);
assertTrue(isNaN(f()));
})();
(function ConstantFoldNaNDivZero() {
function f() {
return NaN / 0;
}
assertTrue(isNaN(f()));
assertTrue(isNaN(f()));
%OptimizeFunctionOnNextCall(f);
assertTrue(isNaN(f()));
})();
|