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// MIR for `range_loop` after PreCodegen
fn range_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () {
debug slice => _1;
debug f => _2;
let mut _0: ();
let mut _3: usize;
let mut _4: usize;
let mut _9: std::option::Option<usize>;
let mut _11: bool;
let mut _13: &impl Fn(usize, &T);
let mut _14: (usize, &T);
let _15: ();
scope 1 {
debug ((iter: std::ops::Range<usize>).0: usize) => _4;
debug ((iter: std::ops::Range<usize>).1: usize) => _3;
let _10: usize;
scope 2 {
debug i => _10;
let _12: &T;
scope 3 {
debug x => _12;
}
}
scope 5 (inlined iter::range::<impl Iterator for std::ops::Range<usize>>::next) {
scope 6 (inlined <std::ops::Range<usize> as iter::range::RangeIteratorImpl>::spec_next) {
let mut _6: bool;
let _7: usize;
let mut _8: usize;
scope 7 {
scope 9 (inlined <usize as Step>::forward_unchecked) {
scope 10 (inlined core::num::<impl usize>::unchecked_add) {
scope 11 (inlined core::ub_checks::check_language_ub) {
scope 12 (inlined core::ub_checks::check_language_ub::runtime) {
}
}
}
}
}
scope 8 (inlined std::cmp::impls::<impl PartialOrd for usize>::lt) {
let mut _5: usize;
}
}
}
}
scope 4 (inlined <std::ops::Range<usize> as IntoIterator>::into_iter) {
}
bb0: {
_3 = PtrMetadata(copy _1);
StorageLive(_4);
_4 = const 0_usize;
goto -> bb1;
}
bb1: {
StorageLive(_9);
StorageLive(_6);
StorageLive(_5);
_5 = copy _4;
_6 = Lt(move _5, copy _3);
StorageDead(_5);
switchInt(move _6) -> [0: bb2, otherwise: bb4];
}
bb2: {
StorageDead(_6);
StorageDead(_9);
StorageDead(_4);
drop(_2) -> [return: bb3, unwind unreachable];
}
bb3: {
return;
}
bb4: {
_7 = copy _4;
StorageLive(_8);
_8 = AddUnchecked(copy _7, const 1_usize);
_4 = move _8;
StorageDead(_8);
_9 = Option::<usize>::Some(copy _7);
StorageDead(_6);
_10 = copy ((_9 as Some).0: usize);
_11 = Lt(copy _10, copy _3);
assert(move _11, "index out of bounds: the length is {} but the index is {}", copy _3, copy _10) -> [success: bb5, unwind unreachable];
}
bb5: {
_12 = &(*_1)[_10];
StorageLive(_13);
_13 = &_2;
StorageLive(_14);
_14 = (copy _10, copy _12);
_15 = <impl Fn(usize, &T) as Fn<(usize, &T)>>::call(move _13, move _14) -> [return: bb6, unwind unreachable];
}
bb6: {
StorageDead(_14);
StorageDead(_13);
StorageDead(_9);
goto -> bb1;
}
}
|
