| - // MIR for `statics` before DataflowConstProp | |
| + // MIR for `statics` after DataflowConstProp | |
| fn statics() -> () { | |
| let mut _0: (); | |
| let _1: E; | |
| let mut _2: &E; | |
| let mut _4: isize; | |
| let mut _8: &&E; | |
| let mut _10: isize; | |
| scope 1 { | |
| debug e1 => _1; | |
| let _3: i32; | |
| let _5: i32; | |
| let _6: i32; | |
| scope 2 { | |
| debug x1 => _3; | |
| let _7: &E; | |
| scope 5 { | |
| debug e2 => _7; | |
| let _9: &i32; | |
| let _11: &i32; | |
| let _12: &i32; | |
| scope 6 { | |
| debug x2 => _9; | |
| } | |
| scope 7 { | |
| debug x21 => _11; | |
| } | |
| scope 8 { | |
| debug x22 => _12; | |
| } | |
| } | |
| } | |
| scope 3 { | |
| debug x11 => _5; | |
| } | |
| scope 4 { | |
| debug x12 => _6; | |
| } | |
| } | |
| bb0: { | |
| StorageLive(_1); | |
| StorageLive(_2); | |
| _2 = const {ALLOC0: &E}; | |
| - _1 = copy (*_2); | |
| + _1 = const E::V1(0_i32); | |
| StorageDead(_2); | |
| StorageLive(_3); | |
| - _4 = discriminant(_1); | |
| - switchInt(move _4) -> [0: bb3, 1: bb2, otherwise: bb1]; | |
| + _4 = const 0_isize; | |
| + switchInt(const 0_isize) -> [0: bb3, 1: bb2, otherwise: bb1]; | |
| } | |
| bb1: { | |
| unreachable; | |
| } | |
| bb2: { | |
| StorageLive(_6); | |
| _6 = copy ((_1 as V2).0: i32); | |
| _3 = copy _6; | |
| StorageDead(_6); | |
| goto -> bb4; | |
| } | |
| bb3: { | |
| StorageLive(_5); | |
| - _5 = copy ((_1 as V1).0: i32); | |
| - _3 = copy _5; | |
| + _5 = const 0_i32; | |
| + _3 = const 0_i32; | |
| StorageDead(_5); | |
| goto -> bb4; | |
| } | |
| bb4: { | |
| StorageLive(_7); | |
| StorageLive(_8); | |
| _8 = const {ALLOC1: &&E}; | |
| _7 = copy (*_8); | |
| StorageDead(_8); | |
| StorageLive(_9); | |
| _10 = discriminant((*_7)); | |
| switchInt(move _10) -> [0: bb6, 1: bb5, otherwise: bb1]; | |
| } | |
| bb5: { | |
| StorageLive(_12); | |
| _12 = &(((*_7) as V2).0: i32); | |
| _9 = &(*_12); | |
| StorageDead(_12); | |
| goto -> bb7; | |
| } | |
| bb6: { | |
| StorageLive(_11); | |
| _11 = &(((*_7) as V1).0: i32); | |
| _9 = copy _11; | |
| StorageDead(_11); | |
| goto -> bb7; | |
| } | |
| bb7: { | |
| _0 = const (); | |
| StorageDead(_9); | |
| StorageDead(_7); | |
| StorageDead(_3); | |
| StorageDead(_1); | |
| return; | |
| } | |
| } | |
| + ALLOC2 (size: 8, align: 4) { .. } | |
| + | |
| ALLOC1 (static: RC, size: 4, align: 4) { .. } | |
| - ALLOC2 (size: 8, align: 4) { .. } | |
| + ALLOC3 (size: 8, align: 4) { .. } | |
| ALLOC0 (static: statics::C, size: 8, align: 4) { .. } | |