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
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
// MIR for `forward_loop` after PreCodegen
fn forward_loop(_1: u32, _2: u32, _3: impl Fn(u32)) -> () {
debug start => _1;
debug end => _2;
debug f => _3;
let mut _0: ();
let mut _4: std::ops::Range<u32>;
let mut _5: std::ops::Range<u32>;
let mut _9: std::option::Option<u32>;
let mut _12: isize;
let mut _14: &impl Fn(u32);
let mut _15: (u32,);
let _16: ();
let mut _17: &mut std::ops::Range<u32>;
scope 1 {
debug iter => _5;
let _13: u32;
scope 2 {
debug x => _13;
}
scope 4 (inlined iter::range::<impl Iterator for std::ops::Range<u32>>::next) {
debug self => _17;
scope 5 (inlined <std::ops::Range<u32> as iter::range::RangeIteratorImpl>::spec_next) {
debug self => _17;
let mut _8: bool;
let _10: u32;
let mut _11: u32;
let mut _18: &u32;
let mut _19: &u32;
scope 6 {
debug old => _10;
scope 7 {
}
}
scope 8 (inlined cmp::impls::<impl PartialOrd for u32>::lt) {
debug self => _18;
debug other => _19;
let mut _6: u32;
let mut _7: u32;
}
}
}
}
scope 3 (inlined <std::ops::Range<u32> as IntoIterator>::into_iter) {
debug self => _4;
}
bb0: {
_4 = std::ops::Range::<u32> { start: _1, end: _2 };
StorageLive(_5);
_5 = move _4;
goto -> bb1;
}
bb1: {
StorageLive(_9);
StorageLive(_10);
StorageLive(_8);
StorageLive(_18);
StorageLive(_19);
StorageLive(_6);
_6 = (_5.0: u32);
StorageLive(_7);
_7 = (_5.1: u32);
_8 = Lt(move _6, move _7);
StorageDead(_7);
StorageDead(_6);
StorageDead(_19);
StorageDead(_18);
switchInt(move _8) -> [0: bb2, otherwise: bb3];
}
bb2: {
_9 = Option::<u32>::None;
goto -> bb5;
}
bb3: {
_10 = (_5.0: u32);
StorageLive(_11);
_11 = <u32 as Step>::forward_unchecked(_10, const 1_usize) -> [return: bb4, unwind: bb11];
}
bb4: {
(_5.0: u32) = move _11;
StorageDead(_11);
_9 = Option::<u32>::Some(_10);
goto -> bb5;
}
bb5: {
StorageDead(_8);
StorageDead(_10);
_12 = discriminant(_9);
switchInt(move _12) -> [0: bb6, 1: bb8, otherwise: bb10];
}
bb6: {
StorageDead(_9);
StorageDead(_5);
drop(_3) -> [return: bb7, unwind continue];
}
bb7: {
return;
}
bb8: {
_13 = ((_9 as Some).0: u32);
StorageLive(_14);
_14 = &_3;
StorageLive(_15);
_15 = (_13,);
_16 = <impl Fn(u32) as Fn<(u32,)>>::call(move _14, move _15) -> [return: bb9, unwind: bb11];
}
bb9: {
StorageDead(_15);
StorageDead(_14);
StorageDead(_9);
goto -> bb1;
}
bb10: {
unreachable;
}
bb11 (cleanup): {
drop(_3) -> [return: bb12, unwind terminate];
}
bb12 (cleanup): {
resume;
}
}
|
