1 - // MIR for `array_bound_mut` before InstCombine
2 + // MIR for `array_bound_mut` after InstCombine
4 fn array_bound_mut(_1: usize, _2: &mut [u8; N]) -> u8 {
5 debug index => _1; // in scope 0 at $DIR/lower_array_len.rs:17:40: 17:45
6 debug slice => _2; // in scope 0 at $DIR/lower_array_len.rs:17:54: 17:59
7 let mut _0: u8; // return place in scope 0 at $DIR/lower_array_len.rs:17:78: 17:80
8 let mut _3: bool; // in scope 0 at $DIR/lower_array_len.rs:18:8: 18:27
9 let mut _4: usize; // in scope 0 at $DIR/lower_array_len.rs:18:8: 18:13
10 let mut _5: usize; // in scope 0 at $DIR/lower_array_len.rs:18:16: 18:27
11 let mut _6: &[u8]; // in scope 0 at $DIR/lower_array_len.rs:18:16: 18:27
12 let mut _7: &[u8; N]; // in scope 0 at $DIR/lower_array_len.rs:18:16: 18:27
13 let _8: usize; // in scope 0 at $DIR/lower_array_len.rs:19:15: 19:20
14 let mut _9: usize; // in scope 0 at $DIR/lower_array_len.rs:19:9: 19:21
15 let mut _10: bool; // in scope 0 at $DIR/lower_array_len.rs:19:9: 19:21
16 let _11: usize; // in scope 0 at $DIR/lower_array_len.rs:21:15: 21:16
17 let mut _12: usize; // in scope 0 at $DIR/lower_array_len.rs:21:9: 21:17
18 let mut _13: bool; // in scope 0 at $DIR/lower_array_len.rs:21:9: 21:17
19 let mut _14: &[u8; N]; // in scope 0 at $DIR/lower_array_len.rs:18:16: 18:27
22 StorageLive(_3); // scope 0 at $DIR/lower_array_len.rs:18:8: 18:27
23 StorageLive(_4); // scope 0 at $DIR/lower_array_len.rs:18:8: 18:13
24 _4 = _1; // scope 0 at $DIR/lower_array_len.rs:18:8: 18:13
25 StorageLive(_5); // scope 0 at $DIR/lower_array_len.rs:18:16: 18:27
26 StorageLive(_6); // scope 0 at $DIR/lower_array_len.rs:18:16: 18:27
27 StorageLive(_7); // scope 0 at $DIR/lower_array_len.rs:18:16: 18:27
28 _7 = &(*_2); // scope 0 at $DIR/lower_array_len.rs:18:16: 18:27
29 StorageLive(_14); // scope 0 at $DIR/lower_array_len.rs:18:16: 18:27
30 _14 = _7; // scope 0 at $DIR/lower_array_len.rs:18:16: 18:27
31 _6 = move _7 as &[u8] (Pointer(Unsize)); // scope 0 at $DIR/lower_array_len.rs:18:16: 18:27
32 StorageDead(_7); // scope 0 at $DIR/lower_array_len.rs:18:20: 18:21
33 - _5 = Len((*_14)); // scope 0 at $DIR/lower_array_len.rs:18:16: 18:27
34 + _5 = const N; // scope 0 at $DIR/lower_array_len.rs:18:16: 18:27
35 StorageDead(_14); // scope 0 at $DIR/lower_array_len.rs:18:16: 18:27
36 StorageDead(_6); // scope 0 at $DIR/lower_array_len.rs:18:26: 18:27
37 _3 = Lt(move _4, move _5); // scope 0 at $DIR/lower_array_len.rs:18:8: 18:27
38 StorageDead(_5); // scope 0 at $DIR/lower_array_len.rs:18:26: 18:27
39 StorageDead(_4); // scope 0 at $DIR/lower_array_len.rs:18:26: 18:27
40 switchInt(move _3) -> [false: bb3, otherwise: bb1]; // scope 0 at $DIR/lower_array_len.rs:18:8: 18:27
44 StorageLive(_8); // scope 0 at $DIR/lower_array_len.rs:19:15: 19:20
45 _8 = _1; // scope 0 at $DIR/lower_array_len.rs:19:15: 19:20
46 - _9 = Len((*_2)); // scope 0 at $DIR/lower_array_len.rs:19:9: 19:21
47 + _9 = const N; // scope 0 at $DIR/lower_array_len.rs:19:9: 19:21
48 _10 = Lt(_8, _9); // scope 0 at $DIR/lower_array_len.rs:19:9: 19:21
49 assert(move _10, "index out of bounds: the length is {} but the index is {}", move _9, _8) -> bb2; // scope 0 at $DIR/lower_array_len.rs:19:9: 19:21
53 _0 = (*_2)[_8]; // scope 0 at $DIR/lower_array_len.rs:19:9: 19:21
54 StorageDead(_8); // scope 0 at $DIR/lower_array_len.rs:20:5: 20:6
55 goto -> bb5; // scope 0 at $DIR/lower_array_len.rs:18:5: 24:6
59 StorageLive(_11); // scope 0 at $DIR/lower_array_len.rs:21:15: 21:16
60 _11 = const 0_usize; // scope 0 at $DIR/lower_array_len.rs:21:15: 21:16
61 - _12 = Len((*_2)); // scope 0 at $DIR/lower_array_len.rs:21:9: 21:17
62 + _12 = const N; // scope 0 at $DIR/lower_array_len.rs:21:9: 21:17
63 _13 = Lt(_11, _12); // scope 0 at $DIR/lower_array_len.rs:21:9: 21:17
64 assert(move _13, "index out of bounds: the length is {} but the index is {}", move _12, _11) -> bb4; // scope 0 at $DIR/lower_array_len.rs:21:9: 21:17
68 (*_2)[_11] = const 42_u8; // scope 0 at $DIR/lower_array_len.rs:21:9: 21:22
69 StorageDead(_11); // scope 0 at $DIR/lower_array_len.rs:21:22: 21:23
70 _0 = const 42_u8; // scope 0 at $DIR/lower_array_len.rs:23:9: 23:11
71 goto -> bb5; // scope 0 at $DIR/lower_array_len.rs:18:5: 24:6
75 StorageDead(_3); // scope 0 at $DIR/lower_array_len.rs:24:5: 24:6
76 return; // scope 0 at $DIR/lower_array_len.rs:25:2: 25:2