| - // MIR for `disappearing_bb` before JumpThreading | |
| + // MIR for `disappearing_bb` after JumpThreading | |
| fn disappearing_bb(_1: u8) -> u8 { | |
| let mut _0: u8; | |
| let mut _2: bool; | |
| let mut _3: bool; | |
| bb0: { | |
| _2 = const true; | |
| _3 = const true; | |
| switchInt(copy _1) -> [0: bb3, 1: bb3, 2: bb1, otherwise: bb2]; | |
| } | |
| bb1: { | |
| _3 = const false; | |
| - goto -> bb4; | |
| + goto -> bb10; | |
| } | |
| bb2: { | |
| unreachable; | |
| } | |
| bb3: { | |
| _2 = const false; | |
| - goto -> bb4; | |
| + goto -> bb13; | |
| } | |
| bb4: { | |
| switchInt(copy _3) -> [0: bb5, otherwise: bb7]; | |
| } | |
| bb5: { | |
| switchInt(copy _2) -> [0: bb6, otherwise: bb8]; | |
| } | |
| bb6: { | |
| return; | |
| } | |
| bb7: { | |
| goto -> bb5; | |
| } | |
| bb8: { | |
| + goto -> bb6; | |
| + } | |
| + | |
| + bb9: { | |
| + switchInt(copy _3) -> [0: bb5, otherwise: bb7]; | |
| + } | |
| + | |
| + bb10: { | |
| + goto -> bb11; | |
| + } | |
| + | |
| + bb11: { | |
| + goto -> bb8; | |
| + } | |
| + | |
| + bb12: { | |
| + switchInt(copy _3) -> [0: bb5, otherwise: bb7]; | |
| + } | |
| + | |
| + bb13: { | |
| + goto -> bb14; | |
| + } | |
| + | |
| + bb14: { | |
| + goto -> bb15; | |
| + } | |
| + | |
| + bb15: { | |
| goto -> bb6; | |
| } | |
| } | |