doFloatFromRhs lvl rec str rhs (SimplEnv {seFloats = Floats fs ff})
= not (isNilOL fs) && want_to_float && can_float
where
- want_to_float = isTopLevel lvl || exprIsCheap rhs
+ want_to_float = isTopLevel lvl || exprIsExpandable rhs
can_float = case ff of
FltLifted -> True
FltOkSpec -> isNotTopLevel lvl && isNonRec rec
substUnfolding _ NoUnfolding = NoUnfolding
substUnfolding _ (OtherCon cons) = OtherCon cons
substUnfolding env (CompulsoryUnfolding rhs) = CompulsoryUnfolding (substExpr env rhs)
-substUnfolding env (CoreUnfolding rhs t v w g) = CoreUnfolding (substExpr env rhs) t v w g
+substUnfolding env (CoreUnfolding rhs t u v w g) = CoreUnfolding (substExpr env rhs) t u v w g
------------------
substWorker :: SimplEnv -> WorkerInfo -> WorkerInfo