1- // MIR for `bar` before MatchBranchSimplification 2+ // MIR for `bar` after MatchBranchSimplification 3 4 fn bar(_1: i32) -> (bool, bool, bool, bool) { 5 debug i => _1; // in scope 0 at $DIR/matches_reduce_branches.rs:13:8: 13:9 6 let mut _0: (bool, bool, bool, bool); // return place in scope 0 at $DIR/matches_reduce_branches.rs:13:19: 13:43 7 let _2: bool; // in scope 0 at $DIR/matches_reduce_branches.rs:14:9: 14:10 8 let _6: (); // in scope 0 at $DIR/matches_reduce_branches.rs:19:5: 34:6 9 let mut _7: bool; // in scope 0 at $DIR/matches_reduce_branches.rs:36:6: 36:7 10 let mut _8: bool; // in scope 0 at $DIR/matches_reduce_branches.rs:36:9: 36:10 11 let mut _9: bool; // in scope 0 at $DIR/matches_reduce_branches.rs:36:12: 36:13 12 let mut _10: bool; // in scope 0 at $DIR/matches_reduce_branches.rs:36:15: 36:16 13+ let mut _11: i32; // in scope 0 at $DIR/matches_reduce_branches.rs:19:5: 19:12 14 scope 1 { 15 debug a => _2; // in scope 1 at $DIR/matches_reduce_branches.rs:14:9: 14:10 16 let _3: bool; // in scope 1 at $DIR/matches_reduce_branches.rs:15:9: 15:10 17 scope 2 { 18 debug b => _3; // in scope 2 at $DIR/matches_reduce_branches.rs:15:9: 15:10 19 let _4: bool; // in scope 2 at $DIR/matches_reduce_branches.rs:16:9: 16:10 20 scope 3 { 21 debug c => _4; // in scope 3 at $DIR/matches_reduce_branches.rs:16:9: 16:10 22 let _5: bool; // in scope 3 at $DIR/matches_reduce_branches.rs:17:9: 17:10 23 scope 4 { 24 debug d => _5; // in scope 4 at $DIR/matches_reduce_branches.rs:17:9: 17:10 25 } 26 } 27 } 28 } 29 30 bb0: { 31 StorageLive(_2); // scope 0 at $DIR/matches_reduce_branches.rs:14:9: 14:10 32 StorageLive(_3); // scope 1 at $DIR/matches_reduce_branches.rs:15:9: 15:10 33 StorageLive(_4); // scope 2 at $DIR/matches_reduce_branches.rs:16:9: 16:10 34 StorageLive(_5); // scope 3 at $DIR/matches_reduce_branches.rs:17:9: 17:10 35 StorageLive(_6); // scope 4 at $DIR/matches_reduce_branches.rs:19:5: 34:6 36- switchInt(_1) -> [7_i32: bb2, otherwise: bb1]; // scope 4 at $DIR/matches_reduce_branches.rs:19:5: 19:12 37- } 38- 39- bb1: { 40- _2 = const true; // scope 4 at $DIR/matches_reduce_branches.rs:28:13: 28:21 41- _3 = const false; // scope 4 at $DIR/matches_reduce_branches.rs:29:13: 29:22 42- _4 = const false; // scope 4 at $DIR/matches_reduce_branches.rs:30:13: 30:22 43- _5 = const true; // scope 4 at $DIR/matches_reduce_branches.rs:31:13: 31:21 44- goto -> bb3; // scope 4 at $DIR/matches_reduce_branches.rs:32:13: 32:15 45- } 46- 47- bb2: { 48- _2 = const false; // scope 4 at $DIR/matches_reduce_branches.rs:21:13: 21:22 49- _3 = const true; // scope 4 at $DIR/matches_reduce_branches.rs:22:13: 22:21 50+ StorageLive(_11); // scope 4 at $DIR/matches_reduce_branches.rs:19:5: 19:12 51+ _11 = _1; // scope 4 at $DIR/matches_reduce_branches.rs:19:5: 19:12 52+ _2 = Ne(_11, const 7_i32); // scope 4 at $DIR/matches_reduce_branches.rs:21:13: 21:22 53+ _3 = Eq(_11, const 7_i32); // scope 4 at $DIR/matches_reduce_branches.rs:22:13: 22:21 54 _4 = const false; // scope 4 at $DIR/matches_reduce_branches.rs:23:13: 23:22 55 _5 = const true; // scope 4 at $DIR/matches_reduce_branches.rs:24:13: 24:21 56- goto -> bb3; // scope 4 at $DIR/matches_reduce_branches.rs:25:13: 25:15 57- } 58- 59- bb3: { 60+ StorageDead(_11); // scope 4 at $DIR/matches_reduce_branches.rs:19:5: 19:12 61 StorageDead(_6); // scope 4 at $DIR/matches_reduce_branches.rs:34:6: 34:7 62 StorageLive(_7); // scope 4 at $DIR/matches_reduce_branches.rs:36:6: 36:7 63 _7 = _2; // scope 4 at $DIR/matches_reduce_branches.rs:36:6: 36:7 64 StorageLive(_8); // scope 4 at $DIR/matches_reduce_branches.rs:36:9: 36:10 65 _8 = _3; // scope 4 at $DIR/matches_reduce_branches.rs:36:9: 36:10 66 StorageLive(_9); // scope 4 at $DIR/matches_reduce_branches.rs:36:12: 36:13 67 _9 = _4; // scope 4 at $DIR/matches_reduce_branches.rs:36:12: 36:13 68 StorageLive(_10); // scope 4 at $DIR/matches_reduce_branches.rs:36:15: 36:16 69 _10 = _5; // scope 4 at $DIR/matches_reduce_branches.rs:36:15: 36:16 70 (_0.0: bool) = move _7; // scope 4 at $DIR/matches_reduce_branches.rs:36:5: 36:17 71 (_0.1: bool) = move _8; // scope 4 at $DIR/matches_reduce_branches.rs:36:5: 36:17 72 (_0.2: bool) = move _9; // scope 4 at $DIR/matches_reduce_branches.rs:36:5: 36:17 73 (_0.3: bool) = move _10; // scope 4 at $DIR/matches_reduce_branches.rs:36:5: 36:17 74 StorageDead(_10); // scope 4 at $DIR/matches_reduce_branches.rs:36:16: 36:17 75 StorageDead(_9); // scope 4 at $DIR/matches_reduce_branches.rs:36:16: 36:17 76 StorageDead(_8); // scope 4 at $DIR/matches_reduce_branches.rs:36:16: 36:17 77 StorageDead(_7); // scope 4 at $DIR/matches_reduce_branches.rs:36:16: 36:17 78 StorageDead(_5); // scope 3 at $DIR/matches_reduce_branches.rs:37:1: 37:2 79 StorageDead(_4); // scope 2 at $DIR/matches_reduce_branches.rs:37:1: 37:2 80 StorageDead(_3); // scope 1 at $DIR/matches_reduce_branches.rs:37:1: 37:2 81 StorageDead(_2); // scope 0 at $DIR/matches_reduce_branches.rs:37:1: 37:2 82 return; // scope 0 at $DIR/matches_reduce_branches.rs:37:2: 37:2 83 } 84 } 85 86