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
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
|
- // MIR for `wide_ptr_provenance` before GVN
+ // MIR for `wide_ptr_provenance` after GVN
fn wide_ptr_provenance() -> () {
let mut _0: ();
let _1: *const dyn std::marker::Send;
let mut _2: *const dyn std::marker::Send;
let _3: &dyn std::marker::Send;
let mut _4: &i32;
let _5: &i32;
let _6: i32;
let mut _8: *const dyn std::marker::Send;
let _9: &dyn std::marker::Send;
let mut _10: &i32;
let _11: &i32;
let _12: i32;
let _13: ();
let mut _14: bool;
let mut _15: *const dyn std::marker::Send;
let mut _16: *const dyn std::marker::Send;
let mut _17: *const dyn std::marker::Send;
let _18: ();
let mut _19: bool;
let mut _20: *const dyn std::marker::Send;
let mut _21: *const dyn std::marker::Send;
let mut _22: *const dyn std::marker::Send;
let _23: ();
let mut _24: bool;
let mut _25: *const dyn std::marker::Send;
let mut _26: *const dyn std::marker::Send;
let mut _27: *const dyn std::marker::Send;
let _28: ();
let mut _29: bool;
let mut _30: *const dyn std::marker::Send;
let mut _31: *const dyn std::marker::Send;
let mut _32: *const dyn std::marker::Send;
let _33: ();
let mut _34: bool;
let mut _35: *const dyn std::marker::Send;
let mut _36: *const dyn std::marker::Send;
let mut _37: *const dyn std::marker::Send;
let _38: ();
let mut _39: bool;
let mut _40: *const dyn std::marker::Send;
let mut _41: *const dyn std::marker::Send;
let mut _42: *const dyn std::marker::Send;
let mut _44: &i32;
scope 1 {
debug a => _1;
let _7: *const dyn std::marker::Send;
let mut _43: &i32;
scope 2 {
debug b => _7;
}
}
bb0: {
StorageLive(_1);
- StorageLive(_2);
+ nop;
StorageLive(_3);
StorageLive(_4);
StorageLive(_5);
_44 = const wide_ptr_provenance::promoted[1];
_5 = &(*_44);
_4 = &(*_5);
_3 = move _4 as &dyn std::marker::Send (PointerCoercion(Unsize, AsCast));
StorageDead(_4);
_2 = &raw const (*_3);
- _1 = move _2 as *const dyn std::marker::Send (PointerCoercion(Unsize, Implicit));
- StorageDead(_2);
+ _1 = copy _2;
+ nop;
StorageDead(_5);
StorageDead(_3);
StorageLive(_7);
- StorageLive(_8);
+ nop;
StorageLive(_9);
StorageLive(_10);
StorageLive(_11);
_43 = const wide_ptr_provenance::promoted[0];
_11 = &(*_43);
_10 = &(*_11);
_9 = move _10 as &dyn std::marker::Send (PointerCoercion(Unsize, AsCast));
StorageDead(_10);
_8 = &raw const (*_9);
- _7 = move _8 as *const dyn std::marker::Send (PointerCoercion(Unsize, Implicit));
- StorageDead(_8);
+ _7 = copy _8;
+ nop;
StorageDead(_11);
StorageDead(_9);
StorageLive(_13);
StorageLive(_14);
StorageLive(_15);
- _15 = copy _1;
+ _15 = copy _2;
StorageLive(_16);
StorageLive(_17);
- _17 = copy _7;
- _16 = move _17 as *const dyn std::marker::Send (PointerCoercion(Unsize, Implicit));
+ _17 = copy _8;
+ _16 = copy _8;
StorageDead(_17);
- _14 = Eq(move _15, move _16);
+ _14 = Eq(copy _2, copy _8);
StorageDead(_16);
StorageDead(_15);
_13 = opaque::<bool>(move _14) -> [return: bb1, unwind continue];
}
bb1: {
StorageDead(_14);
StorageDead(_13);
StorageLive(_18);
StorageLive(_19);
StorageLive(_20);
- _20 = copy _1;
+ _20 = copy _2;
StorageLive(_21);
StorageLive(_22);
- _22 = copy _7;
- _21 = move _22 as *const dyn std::marker::Send (PointerCoercion(Unsize, Implicit));
+ _22 = copy _8;
+ _21 = copy _8;
StorageDead(_22);
- _19 = Ne(move _20, move _21);
+ _19 = Ne(copy _2, copy _8);
StorageDead(_21);
StorageDead(_20);
_18 = opaque::<bool>(move _19) -> [return: bb2, unwind continue];
}
bb2: {
StorageDead(_19);
StorageDead(_18);
StorageLive(_23);
StorageLive(_24);
StorageLive(_25);
- _25 = copy _1;
+ _25 = copy _2;
StorageLive(_26);
StorageLive(_27);
- _27 = copy _7;
- _26 = move _27 as *const dyn std::marker::Send (PointerCoercion(Unsize, Implicit));
+ _27 = copy _8;
+ _26 = copy _8;
StorageDead(_27);
- _24 = Lt(move _25, move _26);
+ _24 = Lt(copy _2, copy _8);
StorageDead(_26);
StorageDead(_25);
_23 = opaque::<bool>(move _24) -> [return: bb3, unwind continue];
}
bb3: {
StorageDead(_24);
StorageDead(_23);
StorageLive(_28);
StorageLive(_29);
StorageLive(_30);
- _30 = copy _1;
+ _30 = copy _2;
StorageLive(_31);
StorageLive(_32);
- _32 = copy _7;
- _31 = move _32 as *const dyn std::marker::Send (PointerCoercion(Unsize, Implicit));
+ _32 = copy _8;
+ _31 = copy _8;
StorageDead(_32);
- _29 = Le(move _30, move _31);
+ _29 = Le(copy _2, copy _8);
StorageDead(_31);
StorageDead(_30);
_28 = opaque::<bool>(move _29) -> [return: bb4, unwind continue];
}
bb4: {
StorageDead(_29);
StorageDead(_28);
StorageLive(_33);
StorageLive(_34);
StorageLive(_35);
- _35 = copy _1;
+ _35 = copy _2;
StorageLive(_36);
StorageLive(_37);
- _37 = copy _7;
- _36 = move _37 as *const dyn std::marker::Send (PointerCoercion(Unsize, Implicit));
+ _37 = copy _8;
+ _36 = copy _8;
StorageDead(_37);
- _34 = Gt(move _35, move _36);
+ _34 = Gt(copy _2, copy _8);
StorageDead(_36);
StorageDead(_35);
_33 = opaque::<bool>(move _34) -> [return: bb5, unwind continue];
}
bb5: {
StorageDead(_34);
StorageDead(_33);
StorageLive(_38);
StorageLive(_39);
StorageLive(_40);
- _40 = copy _1;
+ _40 = copy _2;
StorageLive(_41);
StorageLive(_42);
- _42 = copy _7;
- _41 = move _42 as *const dyn std::marker::Send (PointerCoercion(Unsize, Implicit));
+ _42 = copy _8;
+ _41 = copy _8;
StorageDead(_42);
- _39 = Ge(move _40, move _41);
+ _39 = Ge(copy _2, copy _8);
StorageDead(_41);
StorageDead(_40);
_38 = opaque::<bool>(move _39) -> [return: bb6, unwind continue];
}
bb6: {
StorageDead(_39);
StorageDead(_38);
_0 = const ();
StorageDead(_7);
StorageDead(_1);
return;
}
}
|
