| - // MIR for `drop` before Inline |
| + // MIR for `drop` after Inline |
| |
| fn drop(_1: *mut Vec<A>, _2: *mut Option<B>) -> () { |
| debug a => _1; |
| debug b => _2; |
| let mut _0: (); |
| let _3: (); |
| let mut _4: *mut std::vec::Vec<A>; |
| let mut _5: *mut std::option::Option<B>; |
| + scope 1 (inlined drop_in_place::<Vec<A>>) { |
| + let mut _6: &mut std::vec::Vec<A>; |
| + scope 2 (inlined std::ptr::drop_glue::<Vec<A>> - shim(Some(Vec<A>))) { |
| + let mut _7: &mut std::vec::Vec<A>; |
| + let mut _8: (); |
| + scope 3 (inlined <Vec<A> as Drop>::drop) { |
| + let mut _9: *mut [A]; |
| + let mut _10: *mut A; |
| + let mut _11: usize; |
| + scope 4 (inlined Vec::<A>::as_mut_ptr) { |
| + scope 5 (inlined alloc::raw_vec::RawVec::<A>::ptr) { |
| + scope 6 (inlined alloc::raw_vec::RawVecInner::ptr::<A>) { |
| + scope 7 (inlined alloc::raw_vec::RawVecInner::non_null::<A>) { |
| + let mut _12: std::ptr::NonNull<u8>; |
| + scope 8 (inlined std::ptr::Unique::<u8>::cast::<A>) { |
| + scope 9 (inlined NonNull::<u8>::cast::<A>) { |
| + scope 10 (inlined NonNull::<u8>::as_ptr) { |
| + } |
| + } |
| + } |
| + scope 11 (inlined std::ptr::Unique::<A>::as_non_null_ptr) { |
| + } |
| + } |
| + scope 12 (inlined NonNull::<A>::as_ptr) { |
| + } |
| + } |
| + } |
| + } |
| + scope 13 (inlined std::ptr::mut_ptr::<impl *mut A>::cast_slice) { |
| + scope 14 (inlined slice_from_raw_parts_mut::<A>) { |
| + scope 15 (inlined std::ptr::from_raw_parts_mut::<[A], A>) { |
| + } |
| + } |
| + } |
| + scope 16 (inlined std::ptr::mut_ptr::<impl *mut [A]>::drop_in_place) { |
| + scope 17 (inlined drop_in_place::<[A]>) { |
| + let mut _13: &mut [A]; |
| + scope 18 (inlined std::ptr::drop_glue::<[A]> - shim(Some([A]))) { |
| + let mut _14: usize; |
| + let mut _15: *mut A; |
| + let mut _16: bool; |
| + } |
| + } |
| + } |
| + } |
| + } |
| + } |
| + scope 19 (inlined drop_in_place::<Option<B>>) { |
| + let mut _17: &mut std::option::Option<B>; |
| + scope 20 (inlined std::ptr::drop_glue::<Option<B>> - shim(Some(Option<B>))) { |
| + let mut _18: isize; |
| + let mut _19: isize; |
| + } |
| + } |
| |
| bb0: { |
| StorageLive(_3); |
| StorageLive(_4); |
| _4 = copy _1; |
| - _3 = drop_in_place::<Vec<A>>(move _4) -> [return: bb1, unwind unreachable]; |
| + StorageLive(_6); |
| + _6 = &mut (*_4); |
| + StorageLive(_7); |
| + StorageLive(_8); |
| + _7 = copy _6; |
| + StorageLive(_11); |
| + StorageLive(_9); |
| + StorageLive(_10); |
| + StorageLive(_12); |
| + _12 = copy (((((*_7).0: alloc::raw_vec::RawVec<A>).0: alloc::raw_vec::RawVecInner).0: std::ptr::Unique<u8>).0: std::ptr::NonNull<u8>); |
| + _10 = copy _12 as *mut A (Transmute); |
| + StorageDead(_12); |
| + _11 = copy ((*_7).1: usize); |
| + _9 = *mut [A] from (copy _10, copy _11); |
| + StorageDead(_10); |
| + StorageLive(_13); |
| + _13 = &mut (*_9); |
| + StorageLive(_14); |
| + StorageLive(_15); |
| + StorageLive(_16); |
| + _14 = const 0_usize; |
| + goto -> bb4; |
| } |
| |
| bb1: { |
| + StorageDead(_8); |
| + StorageDead(_7); |
| + StorageDead(_6); |
| StorageDead(_4); |
| StorageDead(_3); |
| StorageLive(_5); |
| _5 = copy _2; |
| - _0 = drop_in_place::<Option<B>>(move _5) -> [return: bb2, unwind unreachable]; |
| + StorageLive(_17); |
| + _17 = &mut (*_5); |
| + StorageLive(_18); |
| + _18 = discriminant((*_17)); |
| + switchInt(move _18) -> [0: bb5, otherwise: bb6]; |
| } |
| |
| bb2: { |
| + StorageDead(_16); |
| + StorageDead(_15); |
| + StorageDead(_14); |
| + StorageDead(_13); |
| + StorageDead(_9); |
| + StorageDead(_11); |
| + drop(((*_6).0: alloc::raw_vec::RawVec<A>)) -> [return: bb1, unwind unreachable]; |
| + } |
| + |
| + bb3: { |
| + _15 = &raw mut (*_13)[_14]; |
| + _14 = Add(move _14, const 1_usize); |
| + drop((*_15)) -> [return: bb4, unwind unreachable]; |
| + } |
| + |
| + bb4: { |
| + _16 = Eq(copy _14, copy _11); |
| + switchInt(move _16) -> [0: bb3, otherwise: bb2]; |
| + } |
| + |
| + bb5: { |
| + StorageDead(_18); |
| + StorageDead(_17); |
| StorageDead(_5); |
| return; |
| + } |
| + |
| + bb6: { |
| + drop((((*_17) as Some).0: B)) -> [return: bb5, unwind unreachable]; |
| } |
| } |
| |