| - // MIR for `main` before GVN |
| + // MIR for `main` after GVN |
| |
| fn main() -> () { |
| let mut _0: (); |
| let _1: i32; |
| let mut _2: (i32, bool); |
| let mut _4: [i32; 6]; |
| let _5: usize; |
| let mut _6: usize; |
| let mut _7: bool; |
| let mut _9: u32; |
| scope 1 { |
| debug x => _1; |
| let _3: i32; |
| scope 2 { |
| debug y => _3; |
| let _8: u32; |
| scope 3 { |
| debug z => _8; |
| } |
| } |
| } |
| |
| bb0: { |
| StorageLive(_1); |
| - _2 = AddWithOverflow(const 2_i32, const 2_i32); |
| - assert(!move (_2.1: bool), "attempt to compute `{} + {}`, which would overflow", const 2_i32, const 2_i32) -> [success: bb1, unwind unreachable]; |
| + _2 = const (4_i32, false); |
| + assert(!const false, "attempt to compute `{} + {}`, which would overflow", const 2_i32, const 2_i32) -> [success: bb1, unwind unreachable]; |
| } |
| |
| bb1: { |
| - _1 = move (_2.0: i32); |
| + _1 = const 4_i32; |
| StorageLive(_3); |
| StorageLive(_4); |
| _4 = [const 0_i32, const 1_i32, const 2_i32, const 3_i32, const 4_i32, const 5_i32]; |
| StorageLive(_5); |
| _5 = const 3_usize; |
| _6 = const 6_usize; |
| - _7 = Lt(copy _5, copy _6); |
| - assert(move _7, "index out of bounds: the length is {} but the index is {}", move _6, copy _5) -> [success: bb2, unwind unreachable]; |
| + _7 = const true; |
| + assert(const true, "index out of bounds: the length is {} but the index is {}", const 6_usize, const 3_usize) -> [success: bb2, unwind unreachable]; |
| } |
| |
| bb2: { |
| - _3 = copy _4[_5]; |
| + _3 = const 3_i32; |
| StorageDead(_5); |
| StorageDead(_4); |
| StorageLive(_8); |
| StorageLive(_9); |
| _9 = const 42_u32; |
| - _8 = copy _9; |
| + _8 = const 42_u32; |
| StorageDead(_9); |
| StorageDead(_8); |
| StorageDead(_3); |
| StorageDead(_1); |
| return; |
| } |
| } |
| + |
| + ALLOC0 (size: 8, align: 4) { .. } |
| |