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Add an optimization pass to remove struct access of struct constructor

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ie { e = x}.e -> x
This commit is contained in:
adelaett 2023-02-28 09:06:33 +01:00
parent 001a8205af
commit 4cd3ec7cc3
1 changed files with 3 additions and 0 deletions
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3
compiler/dcalc/optimizations.ml
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@ -96,6 +96,9 @@ let rec partial_evaluation (ctx : partial_evaluation_ctx) (e : 'm expr) :
| EApp { f = EAbs { binder; _ }, _; args } ->
(* beta reduction *)
Marked.unmark (Bindlib.msubst binder (List.map fst args |> Array.of_list))
| EStructAccess { name; field; e = EStruct { name = name1; fields }, _ }
when name = name1 ->
Marked.unmark (StructField.Map.find field fields)
| EDefault { excepts; just; cons } -> (
(* TODO: mechanically prove each of these optimizations correct :) *)
let excepts =