273 lines
8 KiB
Rust
273 lines
8 KiB
Rust
// MIR for `forward_loop` after PreCodegen
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fn forward_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::ptr::NonNull<T>;
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let mut _12: *const T;
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let mut _26: std::option::Option<&T>;
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let mut _27: isize;
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let mut _29: &impl Fn(&T);
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let mut _30: (&T,);
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let _31: ();
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scope 1 {
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debug ((iter: std::slice::Iter<'_, T>).0: std::ptr::NonNull<T>) => _11;
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debug ((iter: std::slice::Iter<'_, T>).1: *const T) => _12;
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debug ((iter: std::slice::Iter<'_, T>).2: std::marker::PhantomData<&T>) => const ZeroSized: PhantomData<&T>;
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let _28: &T;
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scope 2 {
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debug x => _28;
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}
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scope 17 (inlined <std::slice::Iter<'_, T> as Iterator>::next) {
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let _13: std::ptr::NonNull<T>;
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let _15: std::ptr::NonNull<T>;
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let mut _18: bool;
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let mut _21: std::ptr::NonNull<T>;
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let mut _23: bool;
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let mut _24: *const u8;
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let mut _25: *const T;
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scope 18 {
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let _14: *const T;
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scope 19 {
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let _22: *const u8;
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scope 20 {
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scope 21 (inlined null::<u8>) {
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scope 22 (inlined without_provenance::<()>) {
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scope 23 (inlined without_provenance_mut::<()>) {
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}
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}
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scope 24 (inlined std::ptr::from_raw_parts::<u8, ()>) {
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}
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}
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scope 25 (inlined std::ptr::const_ptr::<impl *const u8>::wrapping_sub) {
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scope 26 (inlined core::num::<impl isize>::wrapping_neg) {
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scope 27 (inlined core::num::<impl isize>::wrapping_sub) {
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}
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}
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scope 28 (inlined std::ptr::const_ptr::<impl *const u8>::wrapping_offset) {
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}
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}
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}
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scope 29 (inlined <NonNull<T> as PartialEq>::eq) {
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let mut _16: *mut T;
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let mut _17: *mut T;
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scope 30 (inlined NonNull::<T>::as_ptr) {
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}
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scope 31 (inlined NonNull::<T>::as_ptr) {
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}
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}
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scope 32 (inlined NonNull::<T>::add) {
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let mut _19: *const T;
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let mut _20: *const T;
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scope 33 (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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}
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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 12 (inlined std::ptr::without_provenance::<T>) {
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scope 13 (inlined without_provenance_mut::<T>) {
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}
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}
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scope 14 (inlined NonNull::<T>::as_ptr) {
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}
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scope 15 (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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scope 9 (inlined NonNull::<[T]>::from_ref) {
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let mut _4: *const [T];
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}
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}
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scope 10 (inlined NonNull::<[T]>::cast::<T>) {
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let mut _5: *const T;
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scope 11 (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 16 (inlined <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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_11 = copy _6;
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_12 = copy _10;
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goto -> bb4;
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}
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bb4: {
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StorageLive(_26);
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StorageLive(_13);
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StorageLive(_14);
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StorageLive(_22);
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StorageLive(_15);
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_13 = copy _11;
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_14 = 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(_18);
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_15 = copy _14 as std::ptr::NonNull<T> (Transmute);
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StorageLive(_16);
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_16 = copy _13 as *mut T (Transmute);
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StorageLive(_17);
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_17 = copy _15 as *mut T (Transmute);
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_18 = Eq(move _16, move _17);
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StorageDead(_17);
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StorageDead(_16);
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switchInt(move _18) -> [0: bb6, otherwise: bb7];
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}
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bb6: {
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StorageDead(_18);
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StorageLive(_21);
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StorageLive(_20);
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StorageLive(_19);
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_19 = copy _13 as *const T (Transmute);
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_20 = Offset(move _19, const 1_usize);
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StorageDead(_19);
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_21 = NonNull::<T> { pointer: move _20 };
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StorageDead(_20);
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_11 = move _21;
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StorageDead(_21);
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goto -> bb11;
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}
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bb7: {
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StorageDead(_18);
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StorageDead(_15);
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StorageDead(_22);
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StorageDead(_14);
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StorageDead(_13);
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goto -> bb18;
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}
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bb8: {
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_22 = copy _14 as *const u8 (PtrToPtr);
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StorageLive(_23);
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_23 = Eq(copy _22, const {0x0 as *const u8});
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switchInt(move _23) -> [0: bb9, otherwise: bb17];
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}
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bb9: {
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StorageDead(_23);
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StorageLive(_24);
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_24 = arith_offset::<u8>(move _22, const -1_isize) -> [return: bb10, unwind unreachable];
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}
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bb10: {
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_25 = move _24 as *const T (PtrToPtr);
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StorageDead(_24);
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_12 = copy _25;
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goto -> bb11;
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}
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bb11: {
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_26 = copy _13 as std::option::Option<&T> (Transmute);
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StorageDead(_15);
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StorageDead(_22);
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StorageDead(_14);
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StorageDead(_13);
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_27 = discriminant(_26);
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switchInt(move _27) -> [0: bb18, 1: bb12, otherwise: bb16];
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}
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bb12: {
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_28 = copy ((_26 as Some).0: &T);
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StorageLive(_29);
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_29 = &_2;
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StorageLive(_30);
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_30 = (copy _28,);
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_31 = <impl Fn(&T) as Fn<(&T,)>>::call(move _29, move _30) -> [return: bb13, unwind: bb14];
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}
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bb13: {
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StorageDead(_30);
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StorageDead(_29);
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StorageDead(_26);
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goto -> bb4;
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}
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bb14 (cleanup): {
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drop(_2) -> [return: bb15, unwind terminate(cleanup)];
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}
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bb15 (cleanup): {
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resume;
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}
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bb16: {
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unreachable;
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}
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bb17: {
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StorageDead(_23);
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StorageDead(_15);
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StorageDead(_22);
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StorageDead(_14);
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StorageDead(_13);
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goto -> bb18;
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}
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bb18: {
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StorageDead(_26);
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StorageDead(_11);
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StorageDead(_12);
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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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