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
|
// MIR for `main` 0 nll
| Free Region Mapping
| '?0 | Global | ['?0, '?1]
| '?1 | Local | ['?1]
|
| Inferred Region Values
| '?0 | U0 | {bb0[0..=8], bb1[0..=7], bb2[0..=3], bb3[0..=3], bb4[0..=1], bb5[0..=2], bb6[0..=5], bb7[0], '?0, '?1}
| '?1 | U0 | {bb0[0..=8], bb1[0..=7], bb2[0..=3], bb3[0..=3], bb4[0..=1], bb5[0..=2], bb6[0..=5], bb7[0], '?1}
| '?2 | U0 | {bb1[0..=7], bb2[0..=2]}
| '?3 | U0 | {bb1[1..=7], bb2[0..=2]}
| '?4 | U0 | {bb1[4..=7], bb2[0..=2]}
|
| Inference Constraints
| '?0 live at {bb0[0..=8], bb1[0..=7], bb2[0..=3], bb3[0..=3], bb4[0..=1], bb5[0..=2], bb6[0..=5], bb7[0]}
| '?1 live at {bb0[0..=8], bb1[0..=7], bb2[0..=3], bb3[0..=3], bb4[0..=1], bb5[0..=2], bb6[0..=5], bb7[0]}
| '?2 live at {bb1[0]}
| '?3 live at {bb1[1..=3]}
| '?4 live at {bb1[4..=7], bb2[0..=2]}
| '?2: '?3 due to Assignment at Single(bb1[0]) ($DIR/region_subtyping_basic.rs:18:13: 18:18 (#0)
| '?3: '?4 due to Assignment at Single(bb1[3]) ($DIR/region_subtyping_basic.rs:19:13: 19:14 (#0)
|
fn main() -> () {
let mut _0: (); // return place in scope 0 at $DIR/region_subtyping_basic.rs:+0:11: +0:11
let mut _1: [usize; Const { ty: usize, kind: Leaf(0x00000003) }]; // in scope 0 at $DIR/region_subtyping_basic.rs:+1:9: +1:14
let _3: usize; // in scope 0 at $DIR/region_subtyping_basic.rs:+2:16: +2:17
let mut _4: usize; // in scope 0 at $DIR/region_subtyping_basic.rs:+2:14: +2:18
let mut _5: bool; // in scope 0 at $DIR/region_subtyping_basic.rs:+2:14: +2:18
let mut _7: bool; // in scope 0 at $DIR/region_subtyping_basic.rs:+4:8: +4:12
let _8: bool; // in scope 0 at $DIR/region_subtyping_basic.rs:+5:9: +5:18
let mut _9: usize; // in scope 0 at $DIR/region_subtyping_basic.rs:+5:15: +5:17
let _10: bool; // in scope 0 at $DIR/region_subtyping_basic.rs:+7:9: +7:18
scope 1 {
debug v => _1; // in scope 1 at $DIR/region_subtyping_basic.rs:+1:9: +1:14
let _2: &'?3 usize; // in scope 1 at $DIR/region_subtyping_basic.rs:+2:9: +2:10
scope 2 {
debug p => _2; // in scope 2 at $DIR/region_subtyping_basic.rs:+2:9: +2:10
let _6: &'?4 usize; // in scope 2 at $DIR/region_subtyping_basic.rs:+3:9: +3:10
scope 3 {
debug q => _6; // in scope 3 at $DIR/region_subtyping_basic.rs:+3:9: +3:10
}
}
}
bb0: {
StorageLive(_1); // bb0[0]: scope 0 at $DIR/region_subtyping_basic.rs:+1:9: +1:14
_1 = [const ConstValue(Scalar(0x00000001): usize), const ConstValue(Scalar(0x00000002): usize), const ConstValue(Scalar(0x00000003): usize)]; // bb0[1]: scope 0 at $DIR/region_subtyping_basic.rs:+1:17: +1:26
FakeRead(ForLet(None), _1); // bb0[2]: scope 0 at $DIR/region_subtyping_basic.rs:+1:9: +1:14
StorageLive(_2); // bb0[3]: scope 1 at $DIR/region_subtyping_basic.rs:+2:9: +2:10
StorageLive(_3); // bb0[4]: scope 1 at $DIR/region_subtyping_basic.rs:+2:16: +2:17
_3 = const ConstValue(Scalar(0x00000000): usize); // bb0[5]: scope 1 at $DIR/region_subtyping_basic.rs:+2:16: +2:17
_4 = Len(_1); // bb0[6]: scope 1 at $DIR/region_subtyping_basic.rs:+2:14: +2:18
_5 = Lt(_3, _4); // bb0[7]: scope 1 at $DIR/region_subtyping_basic.rs:+2:14: +2:18
assert(move _5, "index out of bounds: the length is {} but the index is {}", move _4, _3) -> [success: bb1, unwind: bb7]; // bb0[8]: scope 1 at $DIR/region_subtyping_basic.rs:+2:14: +2:18
}
bb1: {
_2 = &'?2 _1[_3]; // bb1[0]: scope 1 at $DIR/region_subtyping_basic.rs:+2:13: +2:18
FakeRead(ForLet(None), _2); // bb1[1]: scope 1 at $DIR/region_subtyping_basic.rs:+2:9: +2:10
StorageLive(_6); // bb1[2]: scope 2 at $DIR/region_subtyping_basic.rs:+3:9: +3:10
_6 = _2; // bb1[3]: scope 2 at $DIR/region_subtyping_basic.rs:+3:13: +3:14
FakeRead(ForLet(None), _6); // bb1[4]: scope 2 at $DIR/region_subtyping_basic.rs:+3:9: +3:10
StorageLive(_7); // bb1[5]: scope 3 at $DIR/region_subtyping_basic.rs:+4:8: +4:12
_7 = const ConstValue(Scalar(0x01): bool); // bb1[6]: scope 3 at $DIR/region_subtyping_basic.rs:+4:8: +4:12
switchInt(move _7) -> [0: bb4, otherwise: bb2]; // bb1[7]: scope 3 at $DIR/region_subtyping_basic.rs:+4:8: +4:12
}
bb2: {
StorageLive(_8); // bb2[0]: scope 3 at $DIR/region_subtyping_basic.rs:+5:9: +5:18
StorageLive(_9); // bb2[1]: scope 3 at $DIR/region_subtyping_basic.rs:+5:15: +5:17
_9 = (*_6); // bb2[2]: scope 3 at $DIR/region_subtyping_basic.rs:+5:15: +5:17
_8 = ConstValue(ZeroSized: fn(usize) -> bool {use_x})(move _9) -> [return: bb3, unwind: bb7]; // bb2[3]: scope 3 at $DIR/region_subtyping_basic.rs:+5:9: +5:18
// mir::Constant
// + span: $DIR/region_subtyping_basic.rs:21:9: 21:14
// + literal: Const { ty: fn(usize) -> bool {use_x}, val: Value(<ZST>) }
}
bb3: {
StorageDead(_9); // bb3[0]: scope 3 at $DIR/region_subtyping_basic.rs:+5:17: +5:18
StorageDead(_8); // bb3[1]: scope 3 at $DIR/region_subtyping_basic.rs:+5:18: +5:19
_0 = const ConstValue(ZeroSized: ()); // bb3[2]: scope 3 at $DIR/region_subtyping_basic.rs:+4:13: +6:6
goto -> bb6; // bb3[3]: scope 3 at $DIR/region_subtyping_basic.rs:+4:5: +8:6
}
bb4: {
StorageLive(_10); // bb4[0]: scope 3 at $DIR/region_subtyping_basic.rs:+7:9: +7:18
_10 = ConstValue(ZeroSized: fn(usize) -> bool {use_x})(const ConstValue(Scalar(0x00000016): usize)) -> [return: bb5, unwind: bb7]; // bb4[1]: scope 3 at $DIR/region_subtyping_basic.rs:+7:9: +7:18
// mir::Constant
// + span: $DIR/region_subtyping_basic.rs:23:9: 23:14
// + literal: Const { ty: fn(usize) -> bool {use_x}, val: Value(<ZST>) }
}
bb5: {
StorageDead(_10); // bb5[0]: scope 3 at $DIR/region_subtyping_basic.rs:+7:18: +7:19
_0 = const ConstValue(ZeroSized: ()); // bb5[1]: scope 3 at $DIR/region_subtyping_basic.rs:+6:12: +8:6
goto -> bb6; // bb5[2]: scope 3 at $DIR/region_subtyping_basic.rs:+4:5: +8:6
}
bb6: {
StorageDead(_7); // bb6[0]: scope 3 at $DIR/region_subtyping_basic.rs:+8:5: +8:6
StorageDead(_6); // bb6[1]: scope 2 at $DIR/region_subtyping_basic.rs:+9:1: +9:2
StorageDead(_3); // bb6[2]: scope 1 at $DIR/region_subtyping_basic.rs:+9:1: +9:2
StorageDead(_2); // bb6[3]: scope 1 at $DIR/region_subtyping_basic.rs:+9:1: +9:2
StorageDead(_1); // bb6[4]: scope 0 at $DIR/region_subtyping_basic.rs:+9:1: +9:2
return; // bb6[5]: scope 0 at $DIR/region_subtyping_basic.rs:+9:2: +9:2
}
bb7 (cleanup): {
resume; // bb7[0]: scope 0 at $DIR/region_subtyping_basic.rs:+0:1: +9:2
}
}
|
