315 lines
9.9 KiB
Rust
315 lines
9.9 KiB
Rust
// MIR for `enumerated_loop` after PreCodegen
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fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &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::ptr::NonNull<T>;
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let mut _12: *const T;
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let mut _13: usize;
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let mut _32: std::option::Option<(usize, &T)>;
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let mut _35: &impl Fn(usize, &T);
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let mut _36: (usize, &T);
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let _37: ();
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scope 1 {
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debug (((iter: Enumerate<std::slice::Iter<'_, T>>).0: std::slice::Iter<'_, T>).0: std::ptr::NonNull<T>) => _11;
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debug (((iter: Enumerate<std::slice::Iter<'_, T>>).0: std::slice::Iter<'_, T>).1: *const T) => _12;
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debug (((iter: Enumerate<std::slice::Iter<'_, T>>).0: std::slice::Iter<'_, T>).2: std::marker::PhantomData<&T>) => const ZeroSized: PhantomData<&T>;
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debug ((iter: Enumerate<std::slice::Iter<'_, T>>).1: usize) => _13;
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let _33: usize;
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let _34: &T;
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scope 2 {
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debug i => _33;
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debug x => _34;
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}
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scope 18 (inlined <Enumerate<std::slice::Iter<'_, T>> as Iterator>::next) {
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let mut _27: std::option::Option<&T>;
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let mut _30: (usize, bool);
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let mut _31: (usize, &T);
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scope 19 {
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let _29: usize;
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scope 24 {
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}
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}
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scope 20 {
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scope 21 {
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scope 27 (inlined <Option<(usize, &T)> as FromResidual<Option<Infallible>>>::from_residual) {
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}
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}
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}
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scope 22 {
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scope 23 {
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}
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}
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scope 25 (inlined <Option<&T> as Try>::branch) {
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let _28: &T;
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scope 26 {
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}
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}
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scope 28 (inlined <std::slice::Iter<'_, T> as Iterator>::next) {
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let _14: std::ptr::NonNull<T>;
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let _16: std::ptr::NonNull<T>;
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let mut _19: bool;
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let mut _22: std::ptr::NonNull<T>;
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let mut _24: usize;
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let _26: &T;
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scope 29 {
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let _15: *const T;
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scope 30 {
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let _23: usize;
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scope 31 {
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scope 34 (inlined core::num::<impl usize>::unchecked_sub) {
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scope 35 (inlined core::ub_checks::check_language_ub) {
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scope 36 (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 37 (inlined without_provenance_mut::<T>) {
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}
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}
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scope 32 (inlined std::ptr::const_ptr::<impl *const T>::addr) {
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scope 33 (inlined std::ptr::const_ptr::<impl *const T>::cast::<()>) {
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}
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}
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scope 38 (inlined <NonNull<T> as PartialEq>::eq) {
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let mut _17: *mut T;
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let mut _18: *mut T;
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scope 39 (inlined NonNull::<T>::as_ptr) {
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}
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scope 40 (inlined NonNull::<T>::as_ptr) {
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}
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}
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scope 41 (inlined NonNull::<T>::add) {
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let mut _20: *const T;
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let mut _21: *const T;
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scope 42 (inlined NonNull::<T>::as_ptr) {
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}
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}
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scope 43 (inlined NonNull::<T>::as_ref::<'_>) {
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let _25: *const T;
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scope 44 (inlined NonNull::<T>::as_ptr) {
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}
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scope 45 (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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}
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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 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 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>::enumerate) {
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scope 16 (inlined Enumerate::<std::slice::Iter<'_, T>>::new) {
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}
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}
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scope 17 (inlined <Enumerate<std::slice::Iter<'_, T>> as IntoIterator>::into_iter) {
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}
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bb0: {
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StorageLive(_3);
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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: move _5 };
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StorageDead(_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 = 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 = 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 = 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 = copy _9;
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StorageDead(_9);
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StorageDead(_4);
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StorageDead(_3);
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StorageLive(_11);
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StorageLive(_12);
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StorageLive(_13);
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_11 = copy _6;
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_12 = copy _10;
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_13 = const 0_usize;
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goto -> bb4;
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}
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bb4: {
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StorageLive(_32);
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StorageLive(_29);
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StorageLive(_30);
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StorageLive(_27);
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StorageLive(_14);
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StorageLive(_15);
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StorageLive(_23);
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StorageLive(_24);
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StorageLive(_16);
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StorageLive(_26);
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_14 = copy _11;
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_15 = copy _12;
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switchInt(const <T as std::mem::SizedTypeProperties>::IS_ZST) -> [0: bb5, otherwise: bb8];
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}
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bb5: {
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StorageLive(_19);
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_16 = copy _15 as std::ptr::NonNull<T> (Transmute);
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StorageLive(_17);
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_17 = copy _14 as *mut T (Transmute);
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StorageLive(_18);
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_18 = copy _16 as *mut T (Transmute);
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_19 = Eq(move _17, move _18);
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StorageDead(_18);
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StorageDead(_17);
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switchInt(move _19) -> [0: bb6, otherwise: bb7];
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}
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bb6: {
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StorageDead(_19);
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StorageLive(_22);
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StorageLive(_21);
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StorageLive(_20);
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_20 = copy _14 as *const T (Transmute);
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_21 = Offset(move _20, const 1_usize);
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StorageDead(_20);
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_22 = NonNull::<T> { pointer: move _21 };
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StorageDead(_21);
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_11 = move _22;
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StorageDead(_22);
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goto -> bb13;
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}
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bb7: {
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StorageDead(_19);
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StorageDead(_26);
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StorageDead(_16);
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StorageDead(_24);
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StorageDead(_23);
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StorageDead(_15);
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StorageDead(_14);
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goto -> bb10;
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}
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bb8: {
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_23 = copy _15 as usize (Transmute);
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switchInt(copy _23) -> [0: bb9, otherwise: bb12];
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}
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bb9: {
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StorageDead(_26);
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StorageDead(_16);
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StorageDead(_24);
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StorageDead(_23);
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StorageDead(_15);
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StorageDead(_14);
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goto -> bb10;
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}
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bb10: {
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StorageDead(_27);
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StorageDead(_30);
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StorageDead(_29);
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StorageDead(_32);
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StorageDead(_11);
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StorageDead(_12);
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StorageDead(_13);
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drop(_2) -> [return: bb11, unwind unreachable];
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}
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bb11: {
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return;
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}
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bb12: {
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_24 = SubUnchecked(copy _23, const 1_usize);
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_12 = copy _24 as *const T (Transmute);
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goto -> bb13;
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}
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bb13: {
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StorageLive(_25);
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_25 = copy _14 as *const T (Transmute);
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_26 = &(*_25);
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StorageDead(_25);
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_27 = Option::<&T>::Some(copy _26);
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StorageDead(_26);
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StorageDead(_16);
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StorageDead(_24);
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StorageDead(_23);
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StorageDead(_15);
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StorageDead(_14);
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_28 = move ((_27 as Some).0: &T);
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StorageDead(_27);
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_29 = copy _13;
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_30 = AddWithOverflow(copy _13, const 1_usize);
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assert(!move (_30.1: bool), "attempt to compute `{} + {}`, which would overflow", copy _13, const 1_usize) -> [success: bb14, unwind unreachable];
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}
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bb14: {
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_13 = move (_30.0: usize);
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StorageLive(_31);
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_31 = (copy _29, copy _28);
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_32 = Option::<(usize, &T)>::Some(move _31);
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StorageDead(_31);
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StorageDead(_30);
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StorageDead(_29);
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_33 = copy (((_32 as Some).0: (usize, &T)).0: usize);
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_34 = copy (((_32 as Some).0: (usize, &T)).1: &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 _33, copy _34);
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_37 = <impl Fn(usize, &T) as Fn<(usize, &T)>>::call(move _35, move _36) -> [return: bb15, unwind unreachable];
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}
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bb15: {
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StorageDead(_36);
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StorageDead(_35);
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StorageDead(_32);
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goto -> bb4;
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}
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}
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