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
|
- // MIR for `dont_remove_comparison` before SimplifyComparisonIntegral
+ // MIR for `dont_remove_comparison` after SimplifyComparisonIntegral
fn dont_remove_comparison(_1: i8) -> i32 {
debug a => _1;
let mut _0: i32;
let _2: bool;
let mut _3: i8;
let mut _4: i32;
let mut _5: bool;
let mut _6: i32;
let mut _7: bool;
scope 1 {
debug b => _2;
}
bb0: {
StorageLive(_2);
StorageLive(_3);
_3 = copy _1;
- _2 = Eq(move _3, const 17_i8);
- StorageDead(_3);
- switchInt(copy _2) -> [0: bb2, otherwise: bb1];
+ _2 = Eq(copy _3, const 17_i8);
+ nop;
+ switchInt(move _3) -> [17: bb1, otherwise: bb2];
}
bb1: {
+ StorageDead(_3);
StorageLive(_6);
StorageLive(_7);
_7 = copy _2;
_6 = move _7 as i32 (IntToInt);
StorageDead(_7);
_0 = Add(const 100_i32, move _6);
StorageDead(_6);
goto -> bb3;
}
bb2: {
+ StorageDead(_3);
StorageLive(_4);
StorageLive(_5);
_5 = copy _2;
_4 = move _5 as i32 (IntToInt);
StorageDead(_5);
_0 = Add(const 10_i32, move _4);
StorageDead(_4);
goto -> bb3;
}
bb3: {
StorageDead(_2);
return;
}
}
|
