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Update alias analysis, implementation for List.mapWithIndex

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ayazhafiz 2022-02-13 22:50:27 -05:00
parent 71f2444397
commit 886e4e07f6
4 changed files with 12 additions and 6 deletions
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8
compiler/mono/src/borrow.rs
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@ -624,8 +624,9 @@ impl<'a> BorrowInfState<'a> {
}
}
ListMapWithIndex { xs } => {
// own the list if the function wants to own the element
if !function_ps[1].borrow {
// List.mapWithIndex : List before, (before, Nat -> after) -> List after
// own the list if the function wants to own the element (before, index 0)
if !function_ps[0].borrow {
self.own_var(*xs);
}
}
@ -943,7 +944,8 @@ pub fn lowlevel_borrow_signature(arena: &Bump, op: LowLevel) -> &[bool] {
StrSplit => arena.alloc_slice_copy(&[borrowed, borrowed]),
StrToNum => arena.alloc_slice_copy(&[borrowed]),
ListSingle => arena.alloc_slice_copy(&[irrelevant]),
ListRepeat => arena.alloc_slice_copy(&[irrelevant, borrowed]),
// List.repeat : elem, Nat -> List.elem
ListRepeat => arena.alloc_slice_copy(&[borrowed, irrelevant]),
ListReverse => arena.alloc_slice_copy(&[owned]),
ListPrepend => arena.alloc_slice_copy(&[owned, owned]),
StrJoinWith => arena.alloc_slice_copy(&[borrowed, borrowed]),