diff options
Diffstat (limited to 'src/reduce.sml')
| -rw-r--r-- | src/reduce.sml | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/reduce.sml b/src/reduce.sml index c5733b97..f065fe2b 100644 --- a/src/reduce.sml +++ b/src/reduce.sml @@ -247,6 +247,11 @@ fun passive (e : exp) = | EField (e, _, _) => passive e | _ => false +fun notFfi (t : con) = + case #1 t of + CFfi _ => false + | _ => true + fun kindConAndExp (namedC, namedE) = let fun kind env (all as (k, loc)) = @@ -793,7 +798,7 @@ fun kindConAndExp (namedC, namedE) = val t = con env t in - if passive e1' orelse count e2 <= 1 orelse ESpecialize.functionInside t then + if notFfi t andalso (passive e1' orelse count e2 <= 1 orelse ESpecialize.functionInside t) then exp (KnownE e1 :: env) e2 else (ELet (x, t, e1', exp (UnknownE :: env) e2), loc) |