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
|
- // MIR for `aggregate_copy` before JumpThreading
+ // MIR for `aggregate_copy` after JumpThreading
fn aggregate_copy() -> u32 {
let mut _0: u32;
let _1: (u32, u32);
let mut _4: bool;
let mut _5: u32;
scope 1 {
debug a => _1;
let _2: (u32, u32);
scope 2 {
debug b => _2;
let _3: u32;
scope 3 {
debug c => _3;
}
}
}
bb0: {
StorageLive(_1);
_1 = const aggregate_copy::Foo;
StorageLive(_2);
_2 = copy _1;
StorageLive(_3);
_3 = copy (_2.1: u32);
StorageLive(_4);
StorageLive(_5);
_5 = copy _3;
_4 = Eq(move _5, const 2_u32);
- switchInt(move _4) -> [0: bb2, otherwise: bb1];
+ goto -> bb2;
}
bb1: {
StorageDead(_5);
_0 = copy (_2.0: u32);
goto -> bb3;
}
bb2: {
StorageDead(_5);
_0 = const 13_u32;
goto -> bb3;
}
bb3: {
StorageDead(_4);
StorageDead(_3);
StorageDead(_2);
StorageDead(_1);
return;
}
}
|
