| - // MIR for `main` before DataflowConstProp |
| + // MIR for `main` after DataflowConstProp |
| |
| fn main() -> () { |
| let mut _0: (); |
| let _1: i32; |
| let mut _4: i32; |
| let mut _5: i32; |
| let mut _6: (i32, bool); |
| let mut _9: i32; |
| let mut _10: (i32, bool); |
| scope 1 { |
| debug a => _1; |
| let _2: i32; |
| scope 2 { |
| debug b => _2; |
| let _3: i32; |
| scope 3 { |
| debug c => _3; |
| let _7: i32; |
| scope 4 { |
| debug d => _7; |
| let _8: i32; |
| scope 5 { |
| debug e => _8; |
| } |
| } |
| } |
| } |
| } |
| |
| bb0: { |
| StorageLive(_1); |
| _1 = const 1_i32; |
| StorageLive(_2); |
| _2 = const 2_i32; |
| StorageLive(_3); |
| StorageLive(_4); |
| - _4 = copy _1; |
| + _4 = const 1_i32; |
| StorageLive(_5); |
| - _5 = copy _2; |
| - _6 = AddWithOverflow(copy _4, copy _5); |
| - assert(!move (_6.1: bool), "attempt to compute `{} + {}`, which would overflow", move _4, move _5) -> [success: bb1, unwind unreachable]; |
| + _5 = const 2_i32; |
| + _6 = const (3_i32, false); |
| + assert(!const false, "attempt to compute `{} + {}`, which would overflow", const 1_i32, const 2_i32) -> [success: bb1, unwind unreachable]; |
| } |
| |
| bb1: { |
| - _3 = move (_6.0: i32); |
| + _3 = const 3_i32; |
| StorageDead(_5); |
| StorageDead(_4); |
| StorageLive(_7); |
| _7 = const core::num::<impl i32>::MAX; |
| StorageLive(_8); |
| StorageLive(_9); |
| - _9 = copy _7; |
| - _10 = AddWithOverflow(copy _9, const 1_i32); |
| - assert(!move (_10.1: bool), "attempt to compute `{} + {}`, which would overflow", move _9, const 1_i32) -> [success: bb2, unwind unreachable]; |
| + _9 = const i32::MAX; |
| + _10 = const (i32::MIN, true); |
| + assert(!const true, "attempt to compute `{} + {}`, which would overflow", const i32::MAX, const 1_i32) -> [success: bb2, unwind unreachable]; |
| } |
| |
| bb2: { |
| - _8 = move (_10.0: i32); |
| + _8 = const i32::MIN; |
| StorageDead(_9); |
| _0 = const (); |
| StorageDead(_8); |
| StorageDead(_7); |
| StorageDead(_3); |
| StorageDead(_2); |
| StorageDead(_1); |
| return; |
| } |
| } |
| + |
| + ALLOC0 (size: 8, align: 4) { .. } |
| + |
| + ALLOC1 (size: 8, align: 4) { .. } |
| |