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
|
- // MIR for `main` before DataflowConstProp
+ // MIR for `main` after DataflowConstProp
fn main() -> () {
let mut _0: ();
let _1: A;
let mut _2: std::boxed::Box<[bool]>;
scope 1 {
debug a => _1;
}
scope 2 (inlined <Box<[bool]> as Default>::default) {
let _3: std::ptr::Unique<[bool]>;
let mut _4: std::ptr::Unique<[bool; 0]>;
scope 3 {
debug ptr => _3;
}
scope 4 (inlined Unique::<[bool; 0]>::dangling) {
let mut _5: std::ptr::NonNull<[bool; 0]>;
scope 5 (inlined NonNull::<[bool; 0]>::dangling) {
let mut _7: usize;
scope 6 {
let _6: *mut [bool; 0];
scope 7 {
debug ptr => _6;
scope 11 (inlined NonNull::<[bool; 0]>::new_unchecked) {
debug ptr => _6;
let mut _8: *const [bool; 0];
scope 12 {
scope 13 (inlined NonNull::<T>::new_unchecked::runtime::<[bool; 0]>) {
debug ptr => _6;
scope 14 (inlined std::ptr::mut_ptr::<impl *mut [bool; 0]>::is_null) {
debug self => _6;
let mut _9: *mut u8;
scope 15 {
scope 16 (inlined std::ptr::mut_ptr::<impl *mut T>::is_null::runtime_impl) {
debug ptr => _9;
scope 17 (inlined std::ptr::mut_ptr::<impl *mut u8>::addr) {
debug self => _9;
scope 18 {
scope 19 (inlined std::ptr::mut_ptr::<impl *mut u8>::cast::<()>) {
debug self => _9;
}
}
}
}
}
}
}
}
}
}
scope 8 (inlined align_of::<[bool; 0]>) {
}
scope 9 (inlined invalid_mut::<[bool; 0]>) {
debug addr => _7;
scope 10 {
}
}
}
}
}
}
bb0: {
StorageLive(_1);
StorageLive(_2);
StorageLive(_3);
StorageLive(_4);
StorageLive(_5);
StorageLive(_6);
StorageLive(_7);
_7 = const 1_usize;
_6 = const {0x1 as *mut [bool; 0]};
StorageDead(_7);
StorageLive(_8);
StorageLive(_9);
_8 = const {0x1 as *const [bool; 0]};
_5 = const NonNull::<[bool; 0]> {{ pointer: {0x1 as *const [bool; 0]} }};
StorageDead(_9);
StorageDead(_8);
StorageDead(_6);
_4 = const Unique::<[bool; 0]> {{ pointer: NonNull::<[bool; 0]> {{ pointer: {0x1 as *const [bool; 0]} }}, _marker: PhantomData::<[bool; 0]> }};
StorageDead(_5);
_3 = const Unique::<[bool]> {{ pointer: NonNull::<[bool]> {{ pointer: Indirect { alloc_id: ALLOC0, offset: Size(0 bytes) }: *const [bool] }}, _marker: PhantomData::<[bool]> }};
StorageDead(_4);
_2 = const Box::<[bool]>(Unique::<[bool]> {{ pointer: NonNull::<[bool]> {{ pointer: Indirect { alloc_id: ALLOC1, offset: Size(0 bytes) }: *const [bool] }}, _marker: PhantomData::<[bool]> }}, std::alloc::Global);
StorageDead(_3);
_1 = A { foo: const Box::<[bool]>(Unique::<[bool]> {{ pointer: NonNull::<[bool]> {{ pointer: Indirect { alloc_id: ALLOC2, offset: Size(0 bytes) }: *const [bool] }}, _marker: PhantomData::<[bool]> }}, std::alloc::Global) };
StorageDead(_2);
_0 = const ();
drop(_1) -> [return: bb1, unwind: bb2];
}
bb1: {
StorageDead(_1);
return;
}
bb2 (cleanup): {
resume;
}
}
ALLOC2 (size: 8, align: 4) {
01 00 00 00 00 00 00 00 │ ........
}
ALLOC1 (size: 8, align: 4) {
01 00 00 00 00 00 00 00 │ ........
}
ALLOC0 (size: 8, align: 4) {
01 00 00 00 00 00 00 00 │ ........
}
|