| - // MIR for `constant` before DataflowConstProp |
| + // MIR for `constant` after DataflowConstProp |
| |
| fn constant() -> () { |
| let mut _0: (); |
| let _1: E; |
| let mut _3: isize; |
| scope 1 { |
| debug e => _1; |
| let _2: i32; |
| let _4: i32; |
| let _5: i32; |
| scope 2 { |
| debug x => _2; |
| } |
| scope 3 { |
| debug x1 => _4; |
| } |
| scope 4 { |
| debug x2 => _5; |
| } |
| } |
| |
| bb0: { |
| StorageLive(_1); |
| _1 = const constant::C; |
| StorageLive(_2); |
| - _3 = discriminant(_1); |
| - switchInt(move _3) -> [0: bb3, 1: bb2, otherwise: bb1]; |
| + _3 = const 0_isize; |
| + switchInt(const 0_isize) -> [0: bb3, 1: bb2, otherwise: bb1]; |
| } |
| |
| bb1: { |
| unreachable; |
| } |
| |
| bb2: { |
| StorageLive(_5); |
| _5 = copy ((_1 as V2).0: i32); |
| _2 = copy _5; |
| StorageDead(_5); |
| goto -> bb4; |
| } |
| |
| bb3: { |
| StorageLive(_4); |
| - _4 = copy ((_1 as V1).0: i32); |
| - _2 = copy _4; |
| + _4 = const 0_i32; |
| + _2 = const 0_i32; |
| StorageDead(_4); |
| goto -> bb4; |
| } |
| |
| bb4: { |
| _0 = const (); |
| StorageDead(_2); |
| StorageDead(_1); |
| return; |
| } |
| } |
| |