- // MIR for `bar` before MatchBranchSimplification + // MIR for `bar` after MatchBranchSimplification fn bar(_1: i32) -> (bool, bool, bool, bool) { debug i => _1; // in scope 0 at $DIR/matches_reduce_branches.rs:11:8: 11:9 let mut _0: (bool, bool, bool, bool); // return place in scope 0 at $DIR/matches_reduce_branches.rs:11:19: 11:43 let _2: bool; // in scope 0 at $DIR/matches_reduce_branches.rs:12:9: 12:10 let _6: (); // in scope 0 at $DIR/matches_reduce_branches.rs:17:5: 32:6 let mut _7: bool; // in scope 0 at $DIR/matches_reduce_branches.rs:34:6: 34:7 let mut _8: bool; // in scope 0 at $DIR/matches_reduce_branches.rs:34:9: 34:10 let mut _9: bool; // in scope 0 at $DIR/matches_reduce_branches.rs:34:12: 34:13 let mut _10: bool; // in scope 0 at $DIR/matches_reduce_branches.rs:34:15: 34:16 scope 1 { debug a => _2; // in scope 1 at $DIR/matches_reduce_branches.rs:12:9: 12:10 let _3: bool; // in scope 1 at $DIR/matches_reduce_branches.rs:13:9: 13:10 scope 2 { debug b => _3; // in scope 2 at $DIR/matches_reduce_branches.rs:13:9: 13:10 let _4: bool; // in scope 2 at $DIR/matches_reduce_branches.rs:14:9: 14:10 scope 3 { debug c => _4; // in scope 3 at $DIR/matches_reduce_branches.rs:14:9: 14:10 let _5: bool; // in scope 3 at $DIR/matches_reduce_branches.rs:15:9: 15:10 scope 4 { debug d => _5; // in scope 4 at $DIR/matches_reduce_branches.rs:15:9: 15:10 } } } } bb0: { StorageLive(_2); // scope 0 at $DIR/matches_reduce_branches.rs:12:9: 12:10 StorageLive(_3); // scope 1 at $DIR/matches_reduce_branches.rs:13:9: 13:10 StorageLive(_4); // scope 2 at $DIR/matches_reduce_branches.rs:14:9: 14:10 StorageLive(_5); // scope 3 at $DIR/matches_reduce_branches.rs:15:9: 15:10 StorageLive(_6); // scope 4 at $DIR/matches_reduce_branches.rs:17:5: 32:6 - switchInt(_1) -> [7_i32: bb2, otherwise: bb1]; // scope 4 at $DIR/matches_reduce_branches.rs:18:9: 18:10 + _2 = Ne(_1, const 7_i32); // scope 4 at $DIR/matches_reduce_branches.rs:19:13: 19:22 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000007)) + // mir::Constant + // + span: $DIR/matches_reduce_branches.rs:1:1: 1:1 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000007)) } + _3 = Eq(_1, const 7_i32); // scope 4 at $DIR/matches_reduce_branches.rs:20:13: 20:21 + // ty::Const + // + ty: i32 + // + val: Value(Scalar(0x00000007)) + // mir::Constant + // + span: $DIR/matches_reduce_branches.rs:1:1: 1:1 + // + literal: Const { ty: i32, val: Value(Scalar(0x00000007)) } + _4 = const false; // scope 4 at $DIR/matches_reduce_branches.rs:21:13: 21:22 + // ty::Const + // + ty: bool + // + val: Value(Scalar(0x00)) + // mir::Constant + // + span: $DIR/matches_reduce_branches.rs:21:17: 21:22 + // + literal: Const { ty: bool, val: Value(Scalar(0x00)) } + _5 = const true; // scope 4 at $DIR/matches_reduce_branches.rs:22:13: 22:21 + // ty::Const + // + ty: bool + // + val: Value(Scalar(0x01)) + // mir::Constant + // + span: $DIR/matches_reduce_branches.rs:22:17: 22:21 + // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } + goto -> bb3; // scope 4 at $DIR/matches_reduce_branches.rs:18:9: 18:10 } bb1: { _2 = const true; // scope 4 at $DIR/matches_reduce_branches.rs:26:13: 26:21 // ty::Const // + ty: bool // + val: Value(Scalar(0x01)) // mir::Constant // + span: $DIR/matches_reduce_branches.rs:26:17: 26:21 // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } _3 = const false; // scope 4 at $DIR/matches_reduce_branches.rs:27:13: 27:22 // ty::Const // + ty: bool // + val: Value(Scalar(0x00)) // mir::Constant // + span: $DIR/matches_reduce_branches.rs:27:17: 27:22 // + literal: Const { ty: bool, val: Value(Scalar(0x00)) } _4 = const false; // scope 4 at $DIR/matches_reduce_branches.rs:28:13: 28:22 // ty::Const // + ty: bool // + val: Value(Scalar(0x00)) // mir::Constant // + span: $DIR/matches_reduce_branches.rs:28:17: 28:22 // + literal: Const { ty: bool, val: Value(Scalar(0x00)) } _5 = const true; // scope 4 at $DIR/matches_reduce_branches.rs:29:13: 29:21 // ty::Const // + ty: bool // + val: Value(Scalar(0x01)) // mir::Constant // + span: $DIR/matches_reduce_branches.rs:29:17: 29:21 // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } goto -> bb3; // scope 4 at $DIR/matches_reduce_branches.rs:17:5: 32:6 } bb2: { _2 = const false; // scope 4 at $DIR/matches_reduce_branches.rs:19:13: 19:22 // ty::Const // + ty: bool // + val: Value(Scalar(0x00)) // mir::Constant // + span: $DIR/matches_reduce_branches.rs:19:17: 19:22 // + literal: Const { ty: bool, val: Value(Scalar(0x00)) } _3 = const true; // scope 4 at $DIR/matches_reduce_branches.rs:20:13: 20:21 // ty::Const // + ty: bool // + val: Value(Scalar(0x01)) // mir::Constant // + span: $DIR/matches_reduce_branches.rs:20:17: 20:21 // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } _4 = const false; // scope 4 at $DIR/matches_reduce_branches.rs:21:13: 21:22 // ty::Const // + ty: bool // + val: Value(Scalar(0x00)) // mir::Constant // + span: $DIR/matches_reduce_branches.rs:21:17: 21:22 // + literal: Const { ty: bool, val: Value(Scalar(0x00)) } _5 = const true; // scope 4 at $DIR/matches_reduce_branches.rs:22:13: 22:21 // ty::Const // + ty: bool // + val: Value(Scalar(0x01)) // mir::Constant // + span: $DIR/matches_reduce_branches.rs:22:17: 22:21 // + literal: Const { ty: bool, val: Value(Scalar(0x01)) } goto -> bb3; // scope 4 at $DIR/matches_reduce_branches.rs:17:5: 32:6 } bb3: { StorageDead(_6); // scope 4 at $DIR/matches_reduce_branches.rs:32:6: 32:7 StorageLive(_7); // scope 4 at $DIR/matches_reduce_branches.rs:34:6: 34:7 _7 = _2; // scope 4 at $DIR/matches_reduce_branches.rs:34:6: 34:7 StorageLive(_8); // scope 4 at $DIR/matches_reduce_branches.rs:34:9: 34:10 _8 = _3; // scope 4 at $DIR/matches_reduce_branches.rs:34:9: 34:10 StorageLive(_9); // scope 4 at $DIR/matches_reduce_branches.rs:34:12: 34:13 _9 = _4; // scope 4 at $DIR/matches_reduce_branches.rs:34:12: 34:13 StorageLive(_10); // scope 4 at $DIR/matches_reduce_branches.rs:34:15: 34:16 _10 = _5; // scope 4 at $DIR/matches_reduce_branches.rs:34:15: 34:16 (_0.0: bool) = move _7; // scope 4 at $DIR/matches_reduce_branches.rs:34:5: 34:17 (_0.1: bool) = move _8; // scope 4 at $DIR/matches_reduce_branches.rs:34:5: 34:17 (_0.2: bool) = move _9; // scope 4 at $DIR/matches_reduce_branches.rs:34:5: 34:17 (_0.3: bool) = move _10; // scope 4 at $DIR/matches_reduce_branches.rs:34:5: 34:17 StorageDead(_10); // scope 4 at $DIR/matches_reduce_branches.rs:34:16: 34:17 StorageDead(_9); // scope 4 at $DIR/matches_reduce_branches.rs:34:16: 34:17 StorageDead(_8); // scope 4 at $DIR/matches_reduce_branches.rs:34:16: 34:17 StorageDead(_7); // scope 4 at $DIR/matches_reduce_branches.rs:34:16: 34:17 StorageDead(_5); // scope 3 at $DIR/matches_reduce_branches.rs:35:1: 35:2 StorageDead(_4); // scope 2 at $DIR/matches_reduce_branches.rs:35:1: 35:2 StorageDead(_3); // scope 1 at $DIR/matches_reduce_branches.rs:35:1: 35:2 StorageDead(_2); // scope 0 at $DIR/matches_reduce_branches.rs:35:1: 35:2 return; // scope 0 at $DIR/matches_reduce_branches.rs:35:2: 35:2 } }