- // MIR for `complicated_match` after SimplifyCfg-initial + // MIR for `complicated_match` after ElaborateDrops fn complicated_match(_1: bool, _2: (bool, bool, String)) -> i32 { debug cond => _1; debug items => _2; let mut _0: i32; let mut _3: &bool; let mut _4: &bool; let _5: bool; let _6: &bool; let _7: std::string::String; let _8: &std::string::String; let mut _9: bool; let mut _10: bool; let mut _11: !; let mut _12: bool; let mut _13: bool; let mut _14: !; let _15: bool; let _16: std::string::String; scope 1 { debug a => _5; debug a => _6; debug s => _7; debug s => _8; } scope 2 { debug b => _15; debug t => _16; } bb0: { - FakeRead(ForMatchedPlace(None), _2); - switchInt((_2.0: bool)) -> [0: bb1, otherwise: bb2]; + switchInt((_2.0: bool)) -> [0: bb5, otherwise: bb1]; } bb1: { - falseEdge -> [real: bb8, imaginary: bb3]; + switchInt((_2.1: bool)) -> [0: bb10, otherwise: bb2]; } bb2: { - switchInt((_2.1: bool)) -> [0: bb3, otherwise: bb4]; + switchInt((_2.0: bool)) -> [0: bb3, otherwise: bb17]; } bb3: { - falseEdge -> [real: bb13, imaginary: bb5]; - } - - bb4: { - switchInt((_2.0: bool)) -> [0: bb6, otherwise: bb5]; - } - - bb5: { - falseEdge -> [real: bb20, imaginary: bb6]; - } - - bb6: { StorageLive(_15); _15 = (_2.1: bool); StorageLive(_16); _16 = move (_2.2: std::string::String); - goto -> bb19; + goto -> bb16; } - bb7: { + bb4: { _0 = const 1_i32; - drop(_7) -> [return: bb18, unwind: bb25]; + drop(_7) -> [return: bb15, unwind: bb22]; } - bb8: { + bb5: { StorageLive(_6); _6 = &(_2.1: bool); StorageLive(_8); _8 = &(_2.2: std::string::String); - _3 = &shallow (_2.0: bool); - _4 = &shallow (_2.1: bool); StorageLive(_9); StorageLive(_10); _10 = _1; - switchInt(move _10) -> [0: bb10, otherwise: bb9]; + switchInt(move _10) -> [0: bb7, otherwise: bb6]; } - bb9: { + bb6: { _0 = const 3_i32; StorageDead(_10); StorageDead(_9); - goto -> bb23; + goto -> bb20; } - bb10: { + bb7: { _9 = (*_6); - switchInt(move _9) -> [0: bb12, otherwise: bb11]; + switchInt(move _9) -> [0: bb9, otherwise: bb8]; } - bb11: { + bb8: { StorageDead(_10); StorageDead(_9); - FakeRead(ForMatchGuard, _3); - FakeRead(ForMatchGuard, _4); - FakeRead(ForGuardBinding, _6); - FakeRead(ForGuardBinding, _8); StorageLive(_5); _5 = (_2.1: bool); StorageLive(_7); _7 = move (_2.2: std::string::String); - goto -> bb7; + goto -> bb4; } - bb12: { + bb9: { StorageDead(_10); StorageDead(_9); StorageDead(_8); StorageDead(_6); - falseEdge -> [real: bb2, imaginary: bb3]; + goto -> bb1; } - bb13: { + bb10: { StorageLive(_6); _6 = &(_2.0: bool); StorageLive(_8); _8 = &(_2.2: std::string::String); - _3 = &shallow (_2.0: bool); - _4 = &shallow (_2.1: bool); StorageLive(_12); StorageLive(_13); _13 = _1; - switchInt(move _13) -> [0: bb15, otherwise: bb14]; + switchInt(move _13) -> [0: bb12, otherwise: bb11]; } - bb14: { + bb11: { _0 = const 3_i32; StorageDead(_13); StorageDead(_12); - goto -> bb23; + goto -> bb20; } - bb15: { + bb12: { _12 = (*_6); - switchInt(move _12) -> [0: bb17, otherwise: bb16]; + switchInt(move _12) -> [0: bb14, otherwise: bb13]; } - bb16: { + bb13: { StorageDead(_13); StorageDead(_12); - FakeRead(ForMatchGuard, _3); - FakeRead(ForMatchGuard, _4); - FakeRead(ForGuardBinding, _6); - FakeRead(ForGuardBinding, _8); StorageLive(_5); _5 = (_2.0: bool); StorageLive(_7); _7 = move (_2.2: std::string::String); - goto -> bb7; + goto -> bb4; } - bb17: { + bb14: { StorageDead(_13); StorageDead(_12); StorageDead(_8); StorageDead(_6); - falseEdge -> [real: bb4, imaginary: bb5]; + goto -> bb2; } - bb18: { + bb15: { StorageDead(_7); StorageDead(_5); StorageDead(_8); StorageDead(_6); - goto -> bb22; + goto -> bb19; } - bb19: { + bb16: { _0 = const 2_i32; - drop(_16) -> [return: bb21, unwind: bb25]; + drop(_16) -> [return: bb18, unwind: bb22]; } - bb20: { + bb17: { StorageLive(_15); _15 = (_2.1: bool); StorageLive(_16); _16 = move (_2.2: std::string::String); - goto -> bb19; + goto -> bb16; } - bb21: { + bb18: { StorageDead(_16); StorageDead(_15); - goto -> bb22; + goto -> bb19; } - bb22: { - drop(_2) -> [return: bb24, unwind: bb26]; + bb19: { + goto -> bb26; } - bb23: { + bb20: { StorageDead(_8); StorageDead(_6); - drop(_2) -> [return: bb24, unwind: bb26]; + drop(_2) -> [return: bb21, unwind: bb23]; } - bb24: { + bb21: { return; } - bb25 (cleanup): { - drop(_2) -> [return: bb26, unwind terminate]; + bb22 (cleanup): { + goto -> bb27; } - bb26 (cleanup): { + bb23 (cleanup): { resume; + } + + bb24: { + goto -> bb21; + } + + bb25 (cleanup): { + goto -> bb23; + } + + bb26: { + goto -> bb24; + } + + bb27 (cleanup): { + goto -> bb23; } }