| - // MIR for `main` before DestinationPropagation |
| + // MIR for `main` after DestinationPropagation |
| |
| fn main() -> () { |
| let mut _0: (); |
| let mut _1: i32; |
| let mut _4: i32; |
| let _5: (); |
| let mut _6: i32; |
| scope 1 { |
| - debug x => _1; |
| + debug x => _6; |
| let _2: i32; |
| scope 2 { |
| - debug y => _2; |
| + debug y => _6; |
| let _3: i32; |
| scope 3 { |
| - debug z => _3; |
| + debug z => _6; |
| } |
| } |
| } |
| |
| bb0: { |
| - StorageLive(_1); |
| - _1 = val() -> [return: bb1, unwind unreachable]; |
| + nop; |
| + _6 = val() -> [return: bb1, unwind unreachable]; |
| } |
| |
| bb1: { |
| - StorageLive(_2); |
| - _2 = copy _1; |
| - StorageLive(_3); |
| - _3 = copy _2; |
| - StorageLive(_4); |
| - _4 = copy _3; |
| - _1 = move _4; |
| - StorageDead(_4); |
| + nop; |
| + nop; |
| + nop; |
| + nop; |
| + nop; |
| + nop; |
| + nop; |
| + nop; |
| StorageLive(_5); |
| - StorageLive(_6); |
| - _6 = copy _1; |
| + nop; |
| + nop; |
| _5 = std::mem::drop::<i32>(move _6) -> [return: bb2, unwind unreachable]; |
| } |
| |
| bb2: { |
| - StorageDead(_6); |
| + nop; |
| StorageDead(_5); |
| _0 = const (); |
| - StorageDead(_3); |
| - StorageDead(_2); |
| - StorageDead(_1); |
| + nop; |
| + nop; |
| + nop; |
| return; |
| } |
| } |
| |