308 lines
10 KiB
Rust
308 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 _10: std::slice::Iter<'_, T>;
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let mut _11: std::iter::Rev<std::slice::Iter<'_, T>>;
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let mut _12: std::iter::Rev<std::slice::Iter<'_, T>>;
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let mut _33: std::option::Option<&T>;
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let mut _35: &impl Fn(&T);
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let mut _36: (&T,);
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let _37: ();
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scope 1 {
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debug iter => _12;
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let _34: &T;
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scope 2 {
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debug x => _34;
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}
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scope 18 (inlined <Rev<std::slice::Iter<'_, T>> as Iterator>::next) {
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scope 19 (inlined <std::slice::Iter<'_, T> as DoubleEndedIterator>::next_back) {
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let mut _13: *const T;
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let mut _18: bool;
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let mut _19: *const T;
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let _32: &T;
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scope 20 {
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let _14: std::ptr::NonNull<T>;
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let _20: usize;
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scope 21 {
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}
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scope 22 {
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scope 25 (inlined <NonNull<T> as PartialEq>::eq) {
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let mut _15: std::ptr::NonNull<T>;
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let mut _16: *mut T;
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let mut _17: *mut T;
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scope 26 (inlined NonNull::<T>::as_ptr) {
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}
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scope 27 (inlined NonNull::<T>::as_ptr) {
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}
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}
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}
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scope 23 (inlined std::ptr::const_ptr::<impl *const T>::addr) {
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scope 24 (inlined std::ptr::const_ptr::<impl *const T>::cast::<()>) {
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}
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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 _26: std::ptr::NonNull<T>;
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scope 29 (inlined std::slice::Iter::<'_, T>::pre_dec_end) {
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let mut _21: *mut *const T;
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let mut _22: *mut std::ptr::NonNull<T>;
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let mut _23: std::ptr::NonNull<T>;
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let mut _27: *mut *const T;
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let mut _28: *mut usize;
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let mut _29: usize;
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let mut _30: 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 #[track_caller] 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 _24: *const T;
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let mut _25: *const T;
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scope 40 (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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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 41 (inlined NonNull::<T>::as_ref::<'_>) {
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let _31: *const T;
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scope 42 (inlined NonNull::<T>::as_ptr) {
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}
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scope 43 (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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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 std::ptr::without_provenance::<T>) {
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scope 12 (inlined without_provenance_mut::<T>) {
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}
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}
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scope 13 (inlined NonNull::<T>::as_ptr) {
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}
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scope 14 (inlined #[track_caller] 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]>::from_ref) {
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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 15 (inlined <std::slice::Iter<'_, T> as Iterator>::rev) {
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scope 16 (inlined Rev::<std::slice::Iter<'_, T>>::new) {
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}
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}
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scope 17 (inlined <Rev<std::slice::Iter<'_, T>> as IntoIterator>::into_iter) {
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}
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bb0: {
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StorageLive(_10);
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StorageLive(_3);
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StorageLive(_6);
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StorageLive(_9);
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StorageLive(_4);
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_3 = PtrMetadata(copy _1);
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_4 = &raw const (*_1);
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StorageLive(_5);
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_5 = copy _4 as *const T (PtrToPtr);
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_6 = NonNull::<T> { pointer: copy _5 };
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StorageDead(_5);
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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 = copy _4 as *mut T (PtrToPtr);
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_8 = Offset(copy _7, copy _3);
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StorageDead(_7);
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_9 = copy _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 = copy _3 as *const T (Transmute);
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goto -> bb3;
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}
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bb3: {
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_10 = std::slice::Iter::<'_, T> { ptr: copy _6, end_or_len: copy _9, _marker: const ZeroSized: PhantomData<&T> };
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StorageDead(_4);
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StorageDead(_9);
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StorageDead(_6);
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StorageDead(_3);
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_11 = Rev::<std::slice::Iter<'_, T>> { iter: copy _10 };
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StorageDead(_10);
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StorageLive(_12);
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_12 = copy _11;
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goto -> bb4;
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}
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bb4: {
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StorageLive(_33);
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StorageLive(_20);
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StorageLive(_19);
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StorageLive(_14);
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StorageLive(_32);
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StorageLive(_18);
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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(_13);
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_13 = copy ((_12.0: std::slice::Iter<'_, T>).1: *const T);
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_14 = copy _13 as std::ptr::NonNull<T> (Transmute);
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StorageDead(_13);
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StorageLive(_16);
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StorageLive(_15);
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_15 = copy ((_12.0: std::slice::Iter<'_, T>).0: std::ptr::NonNull<T>);
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_16 = copy _15 as *mut T (Transmute);
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StorageDead(_15);
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StorageLive(_17);
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_17 = copy _14 as *mut T (Transmute);
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_18 = Eq(copy _16, copy _17);
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StorageDead(_17);
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StorageDead(_16);
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goto -> bb7;
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}
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bb6: {
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_19 = copy ((_12.0: std::slice::Iter<'_, T>).1: *const T);
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_20 = copy _19 as usize (Transmute);
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_18 = Eq(copy _20, const 0_usize);
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goto -> bb7;
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}
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bb7: {
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switchInt(move _18) -> [0: bb8, otherwise: bb15];
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}
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bb8: {
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StorageLive(_26);
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StorageLive(_28);
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StorageLive(_22);
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StorageLive(_23);
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switchInt(const <T as std::mem::SizedTypeProperties>::IS_ZST) -> [0: bb9, otherwise: bb12];
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}
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bb9: {
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StorageLive(_21);
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_21 = &raw mut ((_12.0: std::slice::Iter<'_, T>).1: *const T);
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_22 = copy _21 as *mut std::ptr::NonNull<T> (PtrToPtr);
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StorageDead(_21);
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_23 = copy (*_22);
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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(_25);
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StorageLive(_24);
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_24 = copy _23 as *const T (Transmute);
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_25 = Offset(copy _24, const -1_isize);
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StorageDead(_24);
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_23 = NonNull::<T> { pointer: copy _25 };
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StorageDead(_25);
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goto -> bb11;
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}
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bb11: {
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(*_22) = move _23;
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_26 = copy (*_22);
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goto -> bb13;
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}
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bb12: {
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StorageLive(_27);
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_27 = &raw mut ((_12.0: std::slice::Iter<'_, T>).1: *const T);
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_28 = copy _27 as *mut usize (PtrToPtr);
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StorageDead(_27);
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StorageLive(_30);
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StorageLive(_29);
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_29 = copy (*_28);
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_30 = SubUnchecked(move _29, const 1_usize);
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StorageDead(_29);
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(*_28) = move _30;
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StorageDead(_30);
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_26 = copy ((_12.0: std::slice::Iter<'_, T>).0: std::ptr::NonNull<T>);
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goto -> bb13;
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}
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bb13: {
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StorageDead(_23);
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StorageDead(_22);
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StorageDead(_28);
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StorageLive(_31);
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_31 = copy _26 as *const T (Transmute);
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_32 = &(*_31);
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StorageDead(_31);
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StorageDead(_26);
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_33 = Option::<&T>::Some(copy _32);
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StorageDead(_18);
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StorageDead(_32);
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StorageDead(_14);
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StorageDead(_19);
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StorageDead(_20);
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_34 = copy ((_33 as Some).0: &T);
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StorageLive(_35);
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_35 = &_2;
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StorageLive(_36);
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_36 = (copy _34,);
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_37 = <impl Fn(&T) as Fn<(&T,)>>::call(move _35, move _36) -> [return: bb14, unwind unreachable];
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}
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bb14: {
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StorageDead(_36);
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StorageDead(_35);
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StorageDead(_33);
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goto -> bb4;
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}
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bb15: {
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StorageDead(_18);
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StorageDead(_32);
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StorageDead(_14);
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StorageDead(_19);
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StorageDead(_20);
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StorageDead(_33);
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StorageDead(_12);
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drop(_2) -> [return: bb16, unwind unreachable];
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}
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bb16: {
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return;
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}
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}
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