| - // MIR for `multiple_branches` before GVN |
| + // MIR for `multiple_branches` after GVN |
| |
| fn multiple_branches(_1: bool, _2: u8, _3: u8) -> () { |
| debug t => _1; |
| debug x => _2; |
| debug y => _3; |
| let mut _0: (); |
| let _4: (); |
| let mut _5: bool; |
| let _6: (); |
| let mut _7: u8; |
| let mut _8: u8; |
| let mut _9: u8; |
| let _10: (); |
| let mut _11: u8; |
| let mut _12: u8; |
| let mut _13: u8; |
| let _14: (); |
| let mut _15: u8; |
| let mut _16: u8; |
| let mut _17: u8; |
| let _18: (); |
| let mut _19: u8; |
| let mut _20: u8; |
| let mut _21: u8; |
| let _22: (); |
| let mut _23: u8; |
| let mut _24: u8; |
| let mut _25: u8; |
| let mut _26: bool; |
| let _27: (); |
| let mut _28: u8; |
| let mut _29: u8; |
| let mut _30: u8; |
| let _31: (); |
| let mut _32: u8; |
| let mut _33: u8; |
| let mut _34: u8; |
| |
| bb0: { |
| StorageLive(_4); |
| StorageLive(_5); |
| _5 = copy _1; |
| - switchInt(move _5) -> [0: bb4, otherwise: bb1]; |
| + switchInt(copy _1) -> [0: bb4, otherwise: bb1]; |
| } |
| |
| bb1: { |
| StorageLive(_6); |
| - StorageLive(_7); |
| + nop; |
| StorageLive(_8); |
| _8 = copy _2; |
| StorageLive(_9); |
| _9 = copy _3; |
| - _7 = Add(move _8, move _9); |
| + _7 = Add(copy _2, copy _3); |
| StorageDead(_9); |
| StorageDead(_8); |
| - _6 = opaque::<u8>(move _7) -> [return: bb2, unwind continue]; |
| + _6 = opaque::<u8>(copy _7) -> [return: bb2, unwind continue]; |
| } |
| |
| bb2: { |
| - StorageDead(_7); |
| + nop; |
| StorageDead(_6); |
| StorageLive(_10); |
| StorageLive(_11); |
| StorageLive(_12); |
| _12 = copy _2; |
| StorageLive(_13); |
| _13 = copy _3; |
| - _11 = Add(move _12, move _13); |
| + _11 = copy _7; |
| StorageDead(_13); |
| StorageDead(_12); |
| - _10 = opaque::<u8>(move _11) -> [return: bb3, unwind continue]; |
| + _10 = opaque::<u8>(copy _7) -> [return: bb3, unwind continue]; |
| } |
| |
| bb3: { |
| StorageDead(_11); |
| StorageDead(_10); |
| _4 = const (); |
| goto -> bb7; |
| } |
| |
| bb4: { |
| StorageLive(_14); |
| - StorageLive(_15); |
| + nop; |
| StorageLive(_16); |
| _16 = copy _2; |
| StorageLive(_17); |
| _17 = copy _3; |
| - _15 = Add(move _16, move _17); |
| + _15 = Add(copy _2, copy _3); |
| StorageDead(_17); |
| StorageDead(_16); |
| - _14 = opaque::<u8>(move _15) -> [return: bb5, unwind continue]; |
| + _14 = opaque::<u8>(copy _15) -> [return: bb5, unwind continue]; |
| } |
| |
| bb5: { |
| - StorageDead(_15); |
| + nop; |
| StorageDead(_14); |
| StorageLive(_18); |
| StorageLive(_19); |
| StorageLive(_20); |
| _20 = copy _2; |
| StorageLive(_21); |
| _21 = copy _3; |
| - _19 = Add(move _20, move _21); |
| + _19 = copy _15; |
| StorageDead(_21); |
| StorageDead(_20); |
| - _18 = opaque::<u8>(move _19) -> [return: bb6, unwind continue]; |
| + _18 = opaque::<u8>(copy _15) -> [return: bb6, unwind continue]; |
| } |
| |
| bb6: { |
| StorageDead(_19); |
| StorageDead(_18); |
| _4 = const (); |
| goto -> bb7; |
| } |
| |
| bb7: { |
| StorageDead(_5); |
| StorageDead(_4); |
| StorageLive(_22); |
| - StorageLive(_23); |
| + nop; |
| StorageLive(_24); |
| _24 = copy _2; |
| StorageLive(_25); |
| _25 = copy _3; |
| - _23 = Add(move _24, move _25); |
| + _23 = Add(copy _2, copy _3); |
| StorageDead(_25); |
| StorageDead(_24); |
| - _22 = opaque::<u8>(move _23) -> [return: bb8, unwind continue]; |
| + _22 = opaque::<u8>(copy _23) -> [return: bb8, unwind continue]; |
| } |
| |
| bb8: { |
| - StorageDead(_23); |
| + nop; |
| StorageDead(_22); |
| StorageLive(_26); |
| _26 = copy _1; |
| - switchInt(move _26) -> [0: bb11, otherwise: bb9]; |
| + switchInt(copy _1) -> [0: bb11, otherwise: bb9]; |
| } |
| |
| bb9: { |
| StorageLive(_27); |
| StorageLive(_28); |
| StorageLive(_29); |
| _29 = copy _2; |
| StorageLive(_30); |
| _30 = copy _3; |
| - _28 = Add(move _29, move _30); |
| + _28 = copy _23; |
| StorageDead(_30); |
| StorageDead(_29); |
| - _27 = opaque::<u8>(move _28) -> [return: bb10, unwind continue]; |
| + _27 = opaque::<u8>(copy _23) -> [return: bb10, unwind continue]; |
| } |
| |
| bb10: { |
| StorageDead(_28); |
| StorageDead(_27); |
| _0 = const (); |
| goto -> bb13; |
| } |
| |
| bb11: { |
| StorageLive(_31); |
| StorageLive(_32); |
| StorageLive(_33); |
| _33 = copy _2; |
| StorageLive(_34); |
| _34 = copy _3; |
| - _32 = Add(move _33, move _34); |
| + _32 = copy _23; |
| StorageDead(_34); |
| StorageDead(_33); |
| - _31 = opaque::<u8>(move _32) -> [return: bb12, unwind continue]; |
| + _31 = opaque::<u8>(copy _23) -> [return: bb12, unwind continue]; |
| } |
| |
| bb12: { |
| StorageDead(_32); |
| StorageDead(_31); |
| _0 = const (); |
| goto -> bb13; |
| } |
| |
| bb13: { |
| StorageDead(_26); |
| return; |
| } |
| } |
| |