| // MIR for `slice_ptr_get_unchecked_range` after PreCodegen |
| |
| fn slice_ptr_get_unchecked_range(_1: *const [u32], _2: std::ops::Range<usize>) -> *const [u32] { |
| debug slice => _1; |
| debug index => _2; |
| let mut _0: *const [u32]; |
| let mut _3: usize; |
| let mut _4: usize; |
| scope 1 (inlined std::ptr::const_ptr::<impl *const [u32]>::get_unchecked::<std::ops::Range<usize>>) { |
| scope 2 (inlined #[track_caller] <std::ops::Range<usize> as SliceIndex<[u32]>>::get_unchecked) { |
| let mut _5: usize; |
| let _6: (); |
| let _7: usize; |
| scope 3 { |
| scope 6 (inlined core::slice::index::get_offset_len_noubcheck::<u32>) { |
| let _8: *const u32; |
| scope 7 { |
| let _9: *const u32; |
| scope 8 { |
| } |
| } |
| } |
| } |
| scope 4 (inlined std::ptr::const_ptr::<impl *const [u32]>::len) { |
| scope 5 (inlined std::ptr::metadata::<[u32]>) { |
| } |
| } |
| } |
| } |
| |
| bb0: { |
| _3 = move (_2.0: usize); |
| _4 = move (_2.1: usize); |
| StorageLive(_7); |
| StorageLive(_5); |
| _5 = PtrMetadata(copy _1); |
| _6 = <std::ops::Range<usize> as SliceIndex<[T]>>::get_unchecked::precondition_check(copy _3, copy _4, move _5) -> [return: bb1, unwind unreachable]; |
| } |
| |
| bb1: { |
| StorageDead(_5); |
| _7 = SubUnchecked(copy _4, copy _3); |
| StorageLive(_8); |
| StorageLive(_9); |
| _8 = copy _1 as *const u32 (PtrToPtr); |
| _9 = Offset(copy _8, copy _3); |
| _0 = *const [u32] from (copy _9, copy _7); |
| StorageDead(_9); |
| StorageDead(_8); |
| StorageDead(_7); |
| return; |
| } |
| } |