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
137
138
139
140
141
142
143
144
145
146
147
|
// MIR for `range_loop` after PreCodegen
fn range_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () {
debug slice => _1;
debug f => _2;
let mut _0: ();
let mut _3: usize;
let mut _4: std::ops::Range<usize>;
let mut _5: std::ops::Range<usize>;
let mut _6: &mut std::ops::Range<usize>;
let mut _12: std::option::Option<usize>;
let mut _15: isize;
let mut _17: usize;
let mut _18: bool;
let mut _20: &impl Fn(usize, &T);
let mut _21: (usize, &T);
let _22: ();
scope 1 {
debug iter => _5;
let _16: usize;
scope 2 {
debug i => _16;
let _19: &T;
scope 3 {
debug x => _19;
}
}
scope 5 (inlined iter::range::<impl Iterator for std::ops::Range<usize>>::next) {
debug self => _6;
scope 6 (inlined <std::ops::Range<usize> as iter::range::RangeIteratorImpl>::spec_next) {
debug self => _6;
let mut _7: &usize;
let mut _8: &usize;
let mut _11: bool;
let _13: usize;
let mut _14: usize;
scope 7 {
debug old => _13;
scope 8 {
}
}
scope 9 (inlined cmp::impls::<impl PartialOrd for usize>::lt) {
debug self => _7;
debug other => _8;
let mut _9: usize;
let mut _10: usize;
}
}
}
}
scope 4 (inlined <std::ops::Range<usize> as IntoIterator>::into_iter) {
debug self => _4;
}
bb0: {
StorageLive(_3);
_3 = Len((*_1));
_4 = std::ops::Range::<usize> { start: const 0_usize, end: move _3 };
StorageDead(_3);
StorageLive(_5);
_5 = move _4;
goto -> bb1;
}
bb1: {
StorageLive(_12);
_6 = &mut _5;
StorageLive(_13);
StorageLive(_11);
StorageLive(_7);
_7 = &((*_6).0: usize);
StorageLive(_8);
_8 = &((*_6).1: usize);
StorageLive(_9);
_9 = (*_7);
StorageLive(_10);
_10 = (*_8);
_11 = Lt(move _9, move _10);
StorageDead(_10);
StorageDead(_9);
StorageDead(_8);
StorageDead(_7);
switchInt(move _11) -> [0: bb2, otherwise: bb3];
}
bb2: {
_12 = Option::<usize>::None;
goto -> bb5;
}
bb3: {
_13 = ((*_6).0: usize);
StorageLive(_14);
_14 = <usize as Step>::forward_unchecked(_13, const 1_usize) -> [return: bb4, unwind unreachable];
}
bb4: {
((*_6).0: usize) = move _14;
StorageDead(_14);
_12 = Option::<usize>::Some(_13);
goto -> bb5;
}
bb5: {
StorageDead(_11);
StorageDead(_13);
_15 = discriminant(_12);
switchInt(move _15) -> [0: bb6, 1: bb8, otherwise: bb11];
}
bb6: {
StorageDead(_12);
StorageDead(_5);
drop(_2) -> [return: bb7, unwind unreachable];
}
bb7: {
return;
}
bb8: {
_16 = ((_12 as Some).0: usize);
_17 = Len((*_1));
_18 = Lt(_16, _17);
assert(move _18, "index out of bounds: the length is {} but the index is {}", move _17, _16) -> [success: bb9, unwind unreachable];
}
bb9: {
_19 = &(*_1)[_16];
StorageLive(_20);
_20 = &_2;
StorageLive(_21);
_21 = (_16, _19);
_22 = <impl Fn(usize, &T) as Fn<(usize, &T)>>::call(move _20, move _21) -> [return: bb10, unwind unreachable];
}
bb10: {
StorageDead(_21);
StorageDead(_20);
StorageDead(_12);
goto -> bb1;
}
bb11: {
unreachable;
}
}
|
