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
|
- // MIR for `float_to_exponential_common` before GVN
+ // MIR for `float_to_exponential_common` after GVN
fn float_to_exponential_common(_1: &mut Formatter<'_>, _2: &T, _3: bool) -> Result<(), std::fmt::Error> {
debug fmt => _1;
debug num => _2;
debug upper => _3;
let mut _0: std::result::Result<(), std::fmt::Error>;
let _4: bool;
let mut _6: std::option::Option<usize>;
let mut _7: isize;
let mut _9: &mut std::fmt::Formatter<'_>;
let mut _10: &T;
let mut _11: core::num::flt2dec::Sign;
let mut _12: u32;
let mut _13: u32;
let mut _14: usize;
let mut _15: bool;
let mut _16: &mut std::fmt::Formatter<'_>;
let mut _17: &T;
let mut _18: core::num::flt2dec::Sign;
let mut _19: bool;
scope 1 {
debug force_sign => _4;
let _5: core::num::flt2dec::Sign;
scope 2 {
debug sign => _5;
scope 3 {
debug precision => _8;
let _8: usize;
scope 5 (inlined Formatter::<'_>::precision) {
debug self => _1;
}
}
}
}
scope 4 (inlined Formatter::<'_>::sign_plus) {
debug self => _1;
let mut _20: u32;
let mut _21: u32;
}
bb0: {
StorageLive(_4);
StorageLive(_20);
StorageLive(_21);
_21 = ((*_1).0: u32);
_20 = BitAnd(move _21, const 1_u32);
StorageDead(_21);
_4 = Ne(move _20, const 0_u32);
StorageDead(_20);
StorageLive(_5);
switchInt(_4) -> [0: bb2, otherwise: bb1];
}
bb1: {
- _5 = MinusPlus;
+ _5 = const MinusPlus;
goto -> bb3;
}
bb2: {
- _5 = Minus;
+ _5 = const Minus;
goto -> bb3;
}
bb3: {
StorageLive(_6);
_6 = ((*_1).4: std::option::Option<usize>);
_7 = discriminant(_6);
switchInt(move _7) -> [1: bb4, 0: bb6, otherwise: bb9];
}
bb4: {
- StorageLive(_8);
+ nop;
_8 = ((_6 as Some).0: usize);
StorageLive(_9);
_9 = _1;
StorageLive(_10);
_10 = _2;
StorageLive(_11);
_11 = _5;
StorageLive(_12);
StorageLive(_13);
StorageLive(_14);
_14 = _8;
- _13 = move _14 as u32 (IntToInt);
+ _13 = _8 as u32 (IntToInt);
StorageDead(_14);
_12 = Add(move _13, const 1_u32);
StorageDead(_13);
StorageLive(_15);
_15 = _3;
- _0 = float_to_exponential_common_exact::<T>(move _9, move _10, move _11, move _12, move _15) -> [return: bb5, unwind continue];
+ _0 = float_to_exponential_common_exact::<T>(_1, _2, move _11, move _12, _3) -> [return: bb5, unwind continue];
}
bb5: {
StorageDead(_15);
StorageDead(_12);
StorageDead(_11);
StorageDead(_10);
StorageDead(_9);
- StorageDead(_8);
+ nop;
goto -> bb8;
}
bb6: {
StorageLive(_16);
_16 = _1;
StorageLive(_17);
_17 = _2;
StorageLive(_18);
_18 = _5;
StorageLive(_19);
_19 = _3;
- _0 = float_to_exponential_common_shortest::<T>(move _16, move _17, move _18, move _19) -> [return: bb7, unwind continue];
+ _0 = float_to_exponential_common_shortest::<T>(_1, _2, move _18, _3) -> [return: bb7, unwind continue];
}
bb7: {
StorageDead(_19);
StorageDead(_18);
StorageDead(_17);
StorageDead(_16);
goto -> bb8;
}
bb8: {
StorageDead(_5);
StorageDead(_4);
StorageDead(_6);
return;
}
bb9: {
unreachable;
}
}
|
