332 lines
10 KiB
Rust
332 lines
10 KiB
Rust
// MIR for `reverse_loop` after PreCodegen
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fn reverse_loop(_1: &[T], _2: impl Fn(&T)) -> () {
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debug slice => _1;
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debug f => _2;
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let mut _0: ();
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let mut _11: std::slice::Iter<'_, T>;
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let mut _12: std::iter::Rev<std::slice::Iter<'_, T>>;
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let mut _13: std::iter::Rev<std::slice::Iter<'_, T>>;
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let mut _37: std::option::Option<&T>;
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let mut _39: &impl Fn(&T);
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let mut _40: (&T,);
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let _41: ();
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scope 1 {
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debug iter => _13;
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let _38: &T;
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scope 2 {
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debug x => _38;
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}
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scope 17 (inlined <Rev<std::slice::Iter<'_, T>> as Iterator>::next) {
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scope 18 (inlined <std::slice::Iter<'_, T> as DoubleEndedIterator>::next_back) {
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let mut _14: *const *const T;
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let mut _15: *const std::ptr::NonNull<T>;
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let mut _20: bool;
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let mut _21: *const T;
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let _36: &T;
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scope 19 {
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let _16: std::ptr::NonNull<T>;
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let _22: usize;
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scope 20 {
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}
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scope 21 {
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scope 25 (inlined <NonNull<T> as PartialEq>::eq) {
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let mut _17: std::ptr::NonNull<T>;
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scope 26 (inlined NonNull::<T>::as_ptr) {
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let mut _18: *const T;
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}
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scope 27 (inlined NonNull::<T>::as_ptr) {
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let mut _19: *const T;
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}
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}
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}
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scope 22 (inlined std::ptr::const_ptr::<impl *const T>::addr) {
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scope 23 (inlined std::ptr::const_ptr::<impl *const T>::cast::<()>) {
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}
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}
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scope 24 (inlined std::ptr::const_ptr::<impl *const *const T>::cast::<NonNull<T>>) {
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}
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}
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scope 28 (inlined std::slice::Iter::<'_, T>::next_back_unchecked) {
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let _29: std::ptr::NonNull<T>;
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scope 29 (inlined std::slice::Iter::<'_, T>::pre_dec_end) {
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let mut _23: *mut *const T;
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let mut _24: *mut std::ptr::NonNull<T>;
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let mut _25: std::ptr::NonNull<T>;
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let mut _28: std::ptr::NonNull<T>;
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let mut _30: *mut *const T;
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let mut _31: *mut usize;
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let mut _32: usize;
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let mut _33: usize;
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scope 30 {
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scope 31 {
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}
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scope 32 {
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scope 35 (inlined NonNull::<T>::sub) {
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scope 36 (inlined core::num::<impl isize>::unchecked_neg) {
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scope 37 (inlined core::ub_checks::check_language_ub) {
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scope 38 (inlined core::ub_checks::check_language_ub::runtime) {
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}
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}
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}
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scope 39 (inlined NonNull::<T>::offset) {
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let mut _26: *const T;
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let mut _27: *const T;
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}
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}
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}
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scope 33 (inlined std::ptr::mut_ptr::<impl *mut *const T>::cast::<usize>) {
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}
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scope 34 (inlined std::ptr::mut_ptr::<impl *mut *const T>::cast::<NonNull<T>>) {
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}
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}
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}
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scope 40 (inlined NonNull::<T>::as_ref::<'_>) {
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let mut _34: std::ptr::NonNull<T>;
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scope 41 (inlined NonNull::<T>::as_ptr) {
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let mut _35: *const T;
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}
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scope 42 (inlined std::ptr::mut_ptr::<impl *mut T>::cast_const) {
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}
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}
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}
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}
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}
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}
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scope 3 (inlined core::slice::<impl [T]>::iter) {
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scope 4 (inlined std::slice::Iter::<'_, T>::new) {
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let _3: usize;
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let mut _7: *mut T;
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let mut _8: *mut T;
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let mut _10: *const T;
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scope 5 {
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let _6: std::ptr::NonNull<T>;
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scope 6 {
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let _9: *const T;
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scope 7 {
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}
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scope 11 (inlined without_provenance::<T>) {
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}
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scope 12 (inlined NonNull::<T>::as_ptr) {
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}
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scope 13 (inlined std::ptr::mut_ptr::<impl *mut T>::add) {
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}
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}
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scope 8 (inlined <NonNull<[T]> as From<&[T]>>::from) {
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let mut _4: *const [T];
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}
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scope 9 (inlined NonNull::<[T]>::cast::<T>) {
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let mut _5: *const T;
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scope 10 (inlined NonNull::<[T]>::as_ptr) {
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}
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}
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}
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}
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}
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scope 14 (inlined <std::slice::Iter<'_, T> as Iterator>::rev) {
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scope 15 (inlined Rev::<std::slice::Iter<'_, T>>::new) {
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}
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}
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scope 16 (inlined <Rev<std::slice::Iter<'_, T>> as IntoIterator>::into_iter) {
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}
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bb0: {
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StorageLive(_11);
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StorageLive(_3);
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StorageLive(_6);
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StorageLive(_4);
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StorageLive(_5);
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_3 = PtrMetadata(_1);
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_4 = &raw const (*_1);
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_5 = _4 as *const T (PtrToPtr);
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_6 = NonNull::<T> { pointer: _5 };
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StorageLive(_9);
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switchInt(const <T as std::mem::SizedTypeProperties>::IS_ZST) -> [0: bb1, otherwise: bb2];
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}
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bb1: {
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StorageLive(_8);
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StorageLive(_7);
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_7 = _4 as *mut T (PtrToPtr);
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_8 = Offset(_7, _3);
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StorageDead(_7);
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_9 = move _8 as *const T (PtrToPtr);
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StorageDead(_8);
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goto -> bb3;
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}
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bb2: {
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_9 = _3 as *const T (Transmute);
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goto -> bb3;
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}
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bb3: {
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StorageLive(_10);
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_10 = _9;
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_11 = std::slice::Iter::<'_, T> { ptr: _6, end_or_len: move _10, _marker: const ZeroSized: PhantomData<&T> };
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StorageDead(_10);
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StorageDead(_9);
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StorageDead(_5);
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StorageDead(_4);
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StorageDead(_6);
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StorageDead(_3);
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_12 = Rev::<std::slice::Iter<'_, T>> { iter: _11 };
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StorageDead(_11);
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StorageLive(_13);
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_13 = _12;
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goto -> bb4;
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}
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bb4: {
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StorageLive(_37);
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StorageLive(_22);
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StorageLive(_21);
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StorageLive(_16);
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StorageLive(_36);
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StorageLive(_20);
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switchInt(const <T as std::mem::SizedTypeProperties>::IS_ZST) -> [0: bb5, otherwise: bb6];
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}
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bb5: {
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StorageLive(_15);
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StorageLive(_14);
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_14 = &raw const ((_13.0: std::slice::Iter<'_, T>).1: *const T);
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_15 = _14 as *const std::ptr::NonNull<T> (PtrToPtr);
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StorageDead(_14);
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_16 = (*_15);
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StorageDead(_15);
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StorageLive(_18);
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StorageLive(_19);
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StorageLive(_17);
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_17 = ((_13.0: std::slice::Iter<'_, T>).0: std::ptr::NonNull<T>);
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_18 = (_17.0: *const T);
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StorageDead(_17);
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_19 = (_16.0: *const T);
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_20 = Eq(_18, _19);
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StorageDead(_19);
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StorageDead(_18);
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goto -> bb7;
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}
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bb6: {
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_21 = ((_13.0: std::slice::Iter<'_, T>).1: *const T);
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_22 = _21 as usize (Transmute);
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_20 = Eq(_22, const 0_usize);
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goto -> bb7;
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}
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bb7: {
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switchInt(move _20) -> [0: bb8, otherwise: bb18];
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}
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bb8: {
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StorageLive(_35);
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StorageLive(_29);
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StorageLive(_31);
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StorageLive(_24);
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switchInt(const <T as std::mem::SizedTypeProperties>::IS_ZST) -> [0: bb9, otherwise: bb13];
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}
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bb9: {
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StorageLive(_23);
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_23 = &raw mut ((_13.0: std::slice::Iter<'_, T>).1: *const T);
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_24 = _23 as *mut std::ptr::NonNull<T> (PtrToPtr);
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StorageDead(_23);
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StorageLive(_28);
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_25 = (*_24);
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switchInt(const <T as std::mem::SizedTypeProperties>::IS_ZST) -> [0: bb10, otherwise: bb11];
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}
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bb10: {
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StorageLive(_27);
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StorageLive(_26);
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_26 = (_25.0: *const T);
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_27 = Offset(move _26, const -1_isize);
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StorageDead(_26);
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_28 = NonNull::<T> { pointer: move _27 };
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StorageDead(_27);
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goto -> bb12;
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}
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bb11: {
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_28 = _25;
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goto -> bb12;
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}
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bb12: {
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(*_24) = move _28;
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StorageDead(_28);
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_29 = (*_24);
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goto -> bb14;
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}
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bb13: {
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StorageLive(_30);
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_30 = &raw mut ((_13.0: std::slice::Iter<'_, T>).1: *const T);
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_31 = _30 as *mut usize (PtrToPtr);
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StorageDead(_30);
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StorageLive(_33);
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StorageLive(_32);
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_32 = (*_31);
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_33 = SubUnchecked(move _32, const 1_usize);
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StorageDead(_32);
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(*_31) = move _33;
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StorageDead(_33);
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_29 = ((_13.0: std::slice::Iter<'_, T>).0: std::ptr::NonNull<T>);
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goto -> bb14;
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}
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bb14: {
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StorageDead(_24);
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StorageDead(_31);
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StorageLive(_34);
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_34 = _29;
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_35 = (_34.0: *const T);
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StorageDead(_34);
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_36 = &(*_35);
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StorageDead(_29);
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StorageDead(_35);
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_37 = Option::<&T>::Some(_36);
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StorageDead(_20);
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StorageDead(_36);
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StorageDead(_16);
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StorageDead(_21);
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StorageDead(_22);
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_38 = ((_37 as Some).0: &T);
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StorageLive(_39);
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_39 = &_2;
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StorageLive(_40);
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_40 = (_38,);
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_41 = <impl Fn(&T) as Fn<(&T,)>>::call(move _39, move _40) -> [return: bb15, unwind: bb16];
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}
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bb15: {
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StorageDead(_40);
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StorageDead(_39);
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StorageDead(_37);
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goto -> bb4;
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}
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bb16 (cleanup): {
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drop(_2) -> [return: bb17, unwind terminate(cleanup)];
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}
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bb17 (cleanup): {
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resume;
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}
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bb18: {
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StorageDead(_20);
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StorageDead(_36);
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StorageDead(_16);
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StorageDead(_21);
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StorageDead(_22);
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StorageDead(_37);
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StorageDead(_13);
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drop(_2) -> [return: bb19, unwind continue];
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}
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bb19: {
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return;
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}
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}
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