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-rw-r--r--src/Analysis/Identity.hs7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/Analysis/Identity.hs b/src/Analysis/Identity.hs
index 2fd321d..b54946b 100644
--- a/src/Analysis/Identity.hs
+++ b/src/Analysis/Identity.hs
@@ -320,6 +320,13 @@ idana env expr = case expr of
res <- genIds (fromSMTy t)
pure (res, EZero res t e1')
+ EDeepZero _ t e1 -> do
+ -- Approximate the result of EDeepZero to be independent from the zero info
+ -- expression; not quite true for shape variables
+ (_, e1') <- idana env e1
+ res <- genIds (fromSMTy t)
+ pure (res, EDeepZero res t e1')
+
EPlus _ t e1 e2 -> do
(_, e1') <- idana env e1
(_, e2') <- idana env e2