| - // MIR for `main` before UnreachablePropagation |
| + // MIR for `main` after UnreachablePropagation |
| |
| fn main() -> () { |
| let mut _0: (); |
| let _1: bool; |
| let mut _2: std::option::Option<Empty>; |
| let mut _3: isize; |
| let _5: (); |
| let mut _6: bool; |
| let mut _7: !; |
| + let mut _8: bool; |
| scope 1 { |
| debug x => _1; |
| scope 2 { |
| debug bomb => _4; |
| let _4: Empty; |
| } |
| } |
| |
| bb0: { |
| StorageLive(_1); |
| _1 = const true; |
| StorageLive(_2); |
| _2 = empty() -> [return: bb1, unwind unreachable]; |
| } |
| |
| bb1: { |
| _3 = discriminant(_2); |
| switchInt(move _3) -> [1: bb2, otherwise: bb6]; |
| } |
| |
| bb2: { |
| StorageLive(_4); |
| _4 = move ((_2 as Some).0: Empty); |
| StorageLive(_5); |
| StorageLive(_6); |
| _6 = copy _1; |
| - switchInt(move _6) -> [0: bb4, otherwise: bb3]; |
| + _8 = Ne(copy _6, const false); |
| + assume(move _8); |
| + goto -> bb3; |
| } |
| |
| bb3: { |
| _5 = loop_forever() -> [return: bb5, unwind unreachable]; |
| } |
| |
| bb4: { |
| - _5 = const (); |
| - goto -> bb5; |
| + unreachable; |
| } |
| |
| bb5: { |
| - StorageDead(_6); |
| - StorageDead(_5); |
| - StorageLive(_7); |
| unreachable; |
| } |
| |
| bb6: { |
| _0 = const (); |
| StorageDead(_1); |
| StorageDead(_2); |
| return; |
| } |
| } |
| |