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
|
// test local/arg liveness analysis in presence of many locals
function foo(a, b, c) {
var x = 0, y = 0, z = 0;
if (a < b) {
x = a + 0;
y = b + 0;
z = c + 0;
} else {
x = a;
y = b;
z = c;
}
return x + y + z;
}
assertEq(foo(1, 2, 3), 6);
// restore liveness correctly before switch statements
function foo(a, b, c) {
var x = 0, y = 0, z = 0;
if (a < b) {
x = a + 0;
y = b + 0;
z = c + 0;
} else {
switch (c) {
case 1:
case 2:
case 3:
case 4:
case 5: return 0;
}
x = 0;
y = 0;
z = 0;
}
return x + y + z;
}
assertEq(foo(1, 2, 3), 6);
|
