| - // MIR for `main` before UnreachablePropagation |
| + // MIR for `main` after UnreachablePropagation |
| |
| fn main() -> () { |
| let mut _0: (); |
| let mut _1: std::option::Option<Empty>; |
| let mut _2: isize; |
| let _5: (); |
| let mut _6: bool; |
| let mut _7: !; |
| scope 1 { |
| debug _x => _3; |
| let _3: Empty; |
| let mut _4: i32; |
| scope 2 { |
| debug _y => _4; |
| } |
| } |
| |
| bb0: { |
| StorageLive(_1); |
| _1 = empty() -> [return: bb1, unwind continue]; |
| } |
| |
| bb1: { |
| _2 = discriminant(_1); |
| - switchInt(move _2) -> [1: bb2, otherwise: bb6]; |
| + switchInt(move _2) -> [1: bb2, otherwise: bb3]; |
| } |
| |
| bb2: { |
| - StorageLive(_3); |
| - _3 = move ((_1 as Some).0: Empty); |
| - StorageLive(_4); |
| - StorageLive(_5); |
| - StorageLive(_6); |
| - _6 = const true; |
| - switchInt(move _6) -> [0: bb4, otherwise: bb3]; |
| - } |
| - |
| - bb3: { |
| - _4 = const 21_i32; |
| - _5 = const (); |
| - goto -> bb5; |
| - } |
| - |
| - bb4: { |
| - _4 = const 42_i32; |
| - _5 = const (); |
| - goto -> bb5; |
| - } |
| - |
| - bb5: { |
| - StorageDead(_6); |
| - StorageDead(_5); |
| - StorageLive(_7); |
| unreachable; |
| } |
| |
| - bb6: { |
| + bb3: { |
| _0 = const (); |
| StorageDead(_1); |
| return; |
| } |
| } |
| |