- // MIR for `noopt1` before EarlyOtherwiseBranch + // MIR for `noopt1` after EarlyOtherwiseBranch fn noopt1(_1: Option, _2: Option) -> u32 { debug x => _1; debug y => _2; let mut _0: u32; let mut _3: (std::option::Option, std::option::Option); let mut _4: std::option::Option; let mut _5: std::option::Option; let mut _6: isize; let mut _7: isize; let mut _8: isize; let _9: u32; let _10: u32; let _11: u32; let _12: u32; scope 1 { debug a => _9; debug b => _10; } scope 2 { debug a => _11; } scope 3 { debug b => _12; } bb0: { StorageLive(_3); StorageLive(_4); _4 = _1; StorageLive(_5); _5 = _2; _3 = (move _4, move _5); StorageDead(_5); StorageDead(_4); _8 = discriminant((_3.0: std::option::Option)); switchInt(move _8) -> [0: bb3, 1: bb2, otherwise: bb1]; } bb1: { unreachable; } bb2: { _6 = discriminant((_3.1: std::option::Option)); switchInt(move _6) -> [0: bb6, 1: bb7, otherwise: bb1]; } bb3: { _7 = discriminant((_3.1: std::option::Option)); switchInt(move _7) -> [0: bb4, 1: bb5, otherwise: bb1]; } bb4: { _0 = const 3_u32; goto -> bb8; } bb5: { StorageLive(_12); _12 = (((_3.1: std::option::Option) as Some).0: u32); _0 = const 2_u32; StorageDead(_12); goto -> bb8; } bb6: { StorageLive(_11); _11 = (((_3.0: std::option::Option) as Some).0: u32); _0 = const 1_u32; StorageDead(_11); goto -> bb8; } bb7: { StorageLive(_9); _9 = (((_3.0: std::option::Option) as Some).0: u32); StorageLive(_10); _10 = (((_3.1: std::option::Option) as Some).0: u32); _0 = const 0_u32; StorageDead(_10); StorageDead(_9); goto -> bb8; } bb8: { StorageDead(_3); return; } }