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