1 - // MIR for `identity` before SeparateConstSwitch
2 + // MIR for `identity` after SeparateConstSwitch
4 fn identity(_1: Result<i32, i32>) -> Result<i32, i32> {
5 debug x => _1; // in scope 0 at $DIR/separate_const_switch.rs:+0:13: +0:14
6 let mut _0: std::result::Result<i32, i32>; // return place in scope 0 at $DIR/separate_const_switch.rs:+0:37: +0:53
7 let mut _2: i32; // in scope 0 at $DIR/separate_const_switch.rs:+1:8: +1:10
8 let mut _3: std::ops::ControlFlow<std::result::Result<std::convert::Infallible, i32>, i32>; // in scope 0 at $DIR/separate_const_switch.rs:+1:8: +1:10
9 let mut _4: std::result::Result<i32, i32>; // in scope 0 at $DIR/separate_const_switch.rs:+1:8: +1:9
10 let mut _5: isize; // in scope 0 at $DIR/separate_const_switch.rs:+1:9: +1:10
11 let _6: std::result::Result<std::convert::Infallible, i32>; // in scope 0 at $DIR/separate_const_switch.rs:+1:9: +1:10
12 let mut _7: !; // in scope 0 at $DIR/separate_const_switch.rs:+1:9: +1:10
13 let mut _8: std::result::Result<std::convert::Infallible, i32>; // in scope 0 at $DIR/separate_const_switch.rs:+1:9: +1:10
14 let _9: i32; // in scope 0 at $DIR/separate_const_switch.rs:+1:8: +1:10
16 debug residual => _6; // in scope 1 at $DIR/separate_const_switch.rs:+1:9: +1:10
18 scope 8 (inlined #[track_caller] <Result<i32, i32> as FromResidual<Result<Infallible, i32>>>::from_residual) { // at $DIR/separate_const_switch.rs:25:8: 25:10
19 debug residual => _8; // in scope 8 at $SRC_DIR/core/src/result.rs:LL:COL
20 let _16: i32; // in scope 8 at $SRC_DIR/core/src/result.rs:LL:COL
21 let mut _17: i32; // in scope 8 at $SRC_DIR/core/src/result.rs:LL:COL
22 let mut _18: i32; // in scope 8 at $SRC_DIR/core/src/result.rs:LL:COL
24 debug e => _16; // in scope 9 at $SRC_DIR/core/src/result.rs:LL:COL
30 debug val => _9; // in scope 3 at $DIR/separate_const_switch.rs:+1:8: +1:10
34 scope 5 (inlined <Result<i32, i32> as Try>::branch) { // at $DIR/separate_const_switch.rs:25:8: 25:10
35 debug self => _4; // in scope 5 at $SRC_DIR/core/src/result.rs:LL:COL
36 let mut _10: isize; // in scope 5 at $SRC_DIR/core/src/result.rs:LL:COL
37 let _11: i32; // in scope 5 at $SRC_DIR/core/src/result.rs:LL:COL
38 let mut _12: i32; // in scope 5 at $SRC_DIR/core/src/result.rs:LL:COL
39 let _13: i32; // in scope 5 at $SRC_DIR/core/src/result.rs:LL:COL
40 let mut _14: std::result::Result<std::convert::Infallible, i32>; // in scope 5 at $SRC_DIR/core/src/result.rs:LL:COL
41 let mut _15: i32; // in scope 5 at $SRC_DIR/core/src/result.rs:LL:COL
43 debug v => _11; // in scope 6 at $SRC_DIR/core/src/result.rs:LL:COL
46 debug e => _13; // in scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
51 StorageLive(_2); // scope 0 at $DIR/separate_const_switch.rs:+1:8: +1:10
52 StorageLive(_3); // scope 0 at $DIR/separate_const_switch.rs:+1:8: +1:10
53 StorageLive(_4); // scope 0 at $DIR/separate_const_switch.rs:+1:8: +1:9
54 _4 = _1; // scope 0 at $DIR/separate_const_switch.rs:+1:8: +1:9
55 _10 = discriminant(_4); // scope 5 at $SRC_DIR/core/src/result.rs:LL:COL
56 - switchInt(move _10) -> [0_isize: bb7, 1_isize: bb5, otherwise: bb6]; // scope 5 at $SRC_DIR/core/src/result.rs:LL:COL
57 + switchInt(move _10) -> [0_isize: bb6, 1_isize: bb4, otherwise: bb5]; // scope 5 at $SRC_DIR/core/src/result.rs:LL:COL
61 - StorageDead(_4); // scope 0 at $DIR/separate_const_switch.rs:+1:9: +1:10
62 - _5 = discriminant(_3); // scope 0 at $DIR/separate_const_switch.rs:+1:8: +1:10
63 - switchInt(move _5) -> [0_isize: bb2, 1_isize: bb4, otherwise: bb3]; // scope 0 at $DIR/separate_const_switch.rs:+1:8: +1:10
67 StorageLive(_9); // scope 0 at $DIR/separate_const_switch.rs:+1:8: +1:10
68 _9 = ((_3 as Continue).0: i32); // scope 0 at $DIR/separate_const_switch.rs:+1:8: +1:10
69 _2 = _9; // scope 4 at $DIR/separate_const_switch.rs:+1:8: +1:10
70 StorageDead(_9); // scope 0 at $DIR/separate_const_switch.rs:+1:9: +1:10
71 Deinit(_0); // scope 0 at $DIR/separate_const_switch.rs:+1:5: +1:11
72 ((_0 as Ok).0: i32) = move _2; // scope 0 at $DIR/separate_const_switch.rs:+1:5: +1:11
73 discriminant(_0) = 0; // scope 0 at $DIR/separate_const_switch.rs:+1:5: +1:11
74 StorageDead(_2); // scope 0 at $DIR/separate_const_switch.rs:+1:10: +1:11
75 StorageDead(_3); // scope 0 at $DIR/separate_const_switch.rs:+2:1: +2:2
76 return; // scope 0 at $DIR/separate_const_switch.rs:+2:2: +2:2
81 unreachable; // scope 0 at $DIR/separate_const_switch.rs:+1:8: +1:10
86 StorageLive(_6); // scope 0 at $DIR/separate_const_switch.rs:+1:9: +1:10
87 _6 = ((_3 as Break).0: std::result::Result<std::convert::Infallible, i32>); // scope 0 at $DIR/separate_const_switch.rs:+1:9: +1:10
88 StorageLive(_8); // scope 2 at $DIR/separate_const_switch.rs:+1:9: +1:10
89 _8 = _6; // scope 2 at $DIR/separate_const_switch.rs:+1:9: +1:10
90 StorageLive(_16); // scope 8 at $SRC_DIR/core/src/result.rs:LL:COL
91 _16 = move ((_8 as Err).0: i32); // scope 8 at $SRC_DIR/core/src/result.rs:LL:COL
92 StorageLive(_17); // scope 9 at $SRC_DIR/core/src/result.rs:LL:COL
93 StorageLive(_18); // scope 9 at $SRC_DIR/core/src/result.rs:LL:COL
94 _18 = move _16; // scope 9 at $SRC_DIR/core/src/result.rs:LL:COL
95 - _17 = <i32 as From<i32>>::from(move _18) -> bb8; // scope 9 at $SRC_DIR/core/src/result.rs:LL:COL
96 + _17 = <i32 as From<i32>>::from(move _18) -> bb7; // scope 9 at $SRC_DIR/core/src/result.rs:LL:COL
98 // + span: $SRC_DIR/core/src/result.rs:LL:COL
99 // + literal: Const { ty: fn(i32) -> i32 {<i32 as From<i32>>::from}, val: Value(<ZST>) }
104 StorageLive(_13); // scope 5 at $SRC_DIR/core/src/result.rs:LL:COL
105 _13 = move ((_4 as Err).0: i32); // scope 5 at $SRC_DIR/core/src/result.rs:LL:COL
106 StorageLive(_14); // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
107 StorageLive(_15); // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
108 _15 = move _13; // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
109 Deinit(_14); // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
110 ((_14 as Err).0: i32) = move _15; // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
111 discriminant(_14) = 1; // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
112 StorageDead(_15); // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
113 Deinit(_3); // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
114 ((_3 as Break).0: std::result::Result<std::convert::Infallible, i32>) = move _14; // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
115 discriminant(_3) = 1; // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
116 StorageDead(_14); // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
117 StorageDead(_13); // scope 5 at $SRC_DIR/core/src/result.rs:LL:COL
118 - goto -> bb1; // scope 5 at $SRC_DIR/core/src/result.rs:LL:COL
119 + StorageDead(_4); // scope 0 at $DIR/separate_const_switch.rs:+1:9: +1:10
120 + _5 = discriminant(_3); // scope 0 at $DIR/separate_const_switch.rs:+1:8: +1:10
121 + switchInt(move _5) -> [0_isize: bb1, 1_isize: bb3, otherwise: bb2]; // scope 0 at $DIR/separate_const_switch.rs:+1:8: +1:10
126 unreachable; // scope 5 at $SRC_DIR/core/src/result.rs:LL:COL
131 StorageLive(_11); // scope 5 at $SRC_DIR/core/src/result.rs:LL:COL
132 _11 = move ((_4 as Ok).0: i32); // scope 5 at $SRC_DIR/core/src/result.rs:LL:COL
133 StorageLive(_12); // scope 6 at $SRC_DIR/core/src/result.rs:LL:COL
134 _12 = move _11; // scope 6 at $SRC_DIR/core/src/result.rs:LL:COL
135 Deinit(_3); // scope 6 at $SRC_DIR/core/src/result.rs:LL:COL
136 ((_3 as Continue).0: i32) = move _12; // scope 6 at $SRC_DIR/core/src/result.rs:LL:COL
137 discriminant(_3) = 0; // scope 6 at $SRC_DIR/core/src/result.rs:LL:COL
138 StorageDead(_12); // scope 6 at $SRC_DIR/core/src/result.rs:LL:COL
139 StorageDead(_11); // scope 5 at $SRC_DIR/core/src/result.rs:LL:COL
140 - goto -> bb1; // scope 5 at $SRC_DIR/core/src/result.rs:LL:COL
141 + StorageDead(_4); // scope 0 at $DIR/separate_const_switch.rs:+1:9: +1:10
142 + _5 = discriminant(_3); // scope 0 at $DIR/separate_const_switch.rs:+1:8: +1:10
143 + switchInt(move _5) -> [0_isize: bb1, 1_isize: bb3, otherwise: bb2]; // scope 0 at $DIR/separate_const_switch.rs:+1:8: +1:10
148 StorageDead(_18); // scope 9 at $SRC_DIR/core/src/result.rs:LL:COL
149 Deinit(_0); // scope 9 at $SRC_DIR/core/src/result.rs:LL:COL
150 ((_0 as Err).0: i32) = move _17; // scope 9 at $SRC_DIR/core/src/result.rs:LL:COL
151 discriminant(_0) = 1; // scope 9 at $SRC_DIR/core/src/result.rs:LL:COL
152 StorageDead(_17); // scope 9 at $SRC_DIR/core/src/result.rs:LL:COL
153 StorageDead(_16); // scope 8 at $SRC_DIR/core/src/result.rs:LL:COL
154 StorageDead(_8); // scope 2 at $DIR/separate_const_switch.rs:+1:9: +1:10
155 StorageDead(_6); // scope 0 at $DIR/separate_const_switch.rs:+1:9: +1:10
156 StorageDead(_2); // scope 0 at $DIR/separate_const_switch.rs:+1:10: +1:11
157 StorageDead(_3); // scope 0 at $DIR/separate_const_switch.rs:+2:1: +2:2
158 return; // scope 0 at $DIR/separate_const_switch.rs:+2:2: +2:2