| // MIR for `checked_shl` after PreCodegen |
| |
| fn checked_shl(_1: u32, _2: u32) -> Option<u32> { |
| debug x => _1; |
| debug rhs => _2; |
| let mut _0: std::option::Option<u32>; |
| scope 1 (inlined core::num::<impl u32>::checked_shl) { |
| debug self => _1; |
| debug rhs => _2; |
| let mut _6: bool; |
| scope 2 { |
| debug a => _4; |
| debug b => _5; |
| } |
| scope 3 (inlined core::num::<impl u32>::overflowing_shl) { |
| debug self => _1; |
| debug rhs => _2; |
| let mut _4: u32; |
| let mut _5: bool; |
| scope 4 (inlined core::num::<impl u32>::wrapping_shl) { |
| debug self => _1; |
| debug rhs => _2; |
| let mut _3: u32; |
| scope 5 { |
| scope 6 (inlined core::num::<impl u32>::unchecked_shl) { |
| debug self => _1; |
| debug rhs => _3; |
| scope 7 { |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| bb0: { |
| StorageLive(_4); |
| StorageLive(_5); |
| StorageLive(_3); |
| _3 = BitAnd(_2, const 31_u32); |
| _4 = ShlUnchecked(_1, _3); |
| StorageDead(_3); |
| _5 = Ge(_2, const _); |
| StorageLive(_6); |
| _6 = unlikely(move _5) -> [return: bb1, unwind unreachable]; |
| } |
| |
| bb1: { |
| switchInt(move _6) -> [0: bb2, otherwise: bb3]; |
| } |
| |
| bb2: { |
| _0 = Option::<u32>::Some(_4); |
| goto -> bb4; |
| } |
| |
| bb3: { |
| _0 = const Option::<u32>::None; |
| goto -> bb4; |
| } |
| |
| bb4: { |
| StorageDead(_6); |
| StorageDead(_5); |
| StorageDead(_4); |
| return; |
| } |
| } |
| |
| ALLOC0 (size: 8, align: 4) { |
| 00 00 00 00 __ __ __ __ │ ....░░░░ |
| } |