| // MIR for `option_direct` after PreCodegen |
| |
| fn option_direct(_1: Option<u32>) -> Option<u32> { |
| debug x => _1; |
| let mut _0: std::option::Option<u32>; |
| let mut _2: isize; |
| let _3: u32; |
| let mut _4: u32; |
| scope 1 { |
| debug x => _3; |
| } |
| |
| bb0: { |
| _2 = discriminant(_1); |
| switchInt(move _2) -> [0: bb1, 1: bb2, otherwise: bb4]; |
| } |
| |
| bb1: { |
| _0 = Option::<u32>::None; |
| goto -> bb3; |
| } |
| |
| bb2: { |
| _3 = copy ((_1 as Some).0: u32); |
| _4 = Not(copy _3); |
| _0 = Option::<u32>::Some(move _4); |
| goto -> bb3; |
| } |
| |
| bb3: { |
| return; |
| } |
| |
| bb4: { |
| unreachable; |
| } |
| } |