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-rw-r--r--src/AST/Count.hs3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/AST/Count.hs b/src/AST/Count.hs
index 6a00e83..40a46f6 100644
--- a/src/AST/Count.hs
+++ b/src/AST/Count.hs
@@ -46,6 +46,7 @@ Occ l1 r1 <||> Occ l2 r2 = Occ (l1 <> l2) (max r1 r2)
-- | This code is executed many times
scaleMany :: Occ -> Occ
+scaleMany (Occ l Zero) = Occ l Zero
scaleMany (Occ l _) = Occ l Many
occCount :: Idx env a -> Expr x env t -> Occ
@@ -124,6 +125,8 @@ occCountGeneral onehot unpush alter many = go WId
EOp _ _ e -> re e
EWith a b -> re a <> re1 b
EAccum _ a b e -> re a <> re b <> re e
+ EZero _ -> mempty
+ EPlus _ a b -> re a <> re b
EError{} -> mempty
where
re :: Monoid (r env') => Expr x env' t'' -> r env'