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Do not be overzealous with inlining results of polymorphic functions
[matthijs/master-project/cλash.git]
/
clash
/
CLasH
/
Normalize.hs
diff --git
a/clash/CLasH/Normalize.hs
b/clash/CLasH/Normalize.hs
index ea171ca05f7b783a6731845e037a4c7216ee9291..a70829ade05370f51d66c9dbe0575e8e124ef97c 100644
(file)
--- a/
clash/CLasH/Normalize.hs
+++ b/
clash/CLasH/Normalize.hs
@@
-380,7
+380,7
@@
funextract c expr@(App _ _) | is_var fexpr = do
-- We could use is_applicable here instead of is_fun, but I think
-- arguments to functions could only have forall typing when existential
-- typing is enabled. Not sure, though.
-- We could use is_applicable here instead of is_fun, but I think
-- arguments to functions could only have forall typing when existential
-- typing is enabled. Not sure, though.
- doarg arg | not (is_simple arg) && is_fun arg = do
+ doarg arg | not (is_simple arg) && is_fun arg
&& not (has_free_tyvars arg)
= do
-- Create a new top level binding that binds the argument. Its body will
-- be extended with lambda expressions, to take any free variables used
-- by the argument expression.
-- Create a new top level binding that binds the argument. Its body will
-- be extended with lambda expressions, to take any free variables used
-- by the argument expression.
@@
-753,7
+753,7
@@
inlinenonrepresult :: Transform
-- that is fully applied (i.e., dos not have a function type) but is not
-- representable. We apply in any context, since non-representable
-- expressions are generally left alone and can occur anywhere.
-- that is fully applied (i.e., dos not have a function type) but is not
-- representable. We apply in any context, since non-representable
-- expressions are generally left alone and can occur anywhere.
-inlinenonrepresult context expr | not (is_
fun
expr) =
+inlinenonrepresult context expr | not (is_
applicable expr) && not (has_free_tyvars
expr) =
case collectArgs expr of
(Var f, args) | not (Id.isDictId f) -> do
repr <- isRepr expr
case collectArgs expr of
(Var f, args) | not (Id.isDictId f) -> do
repr <- isRepr expr
@@
-952,7
+952,7
@@
letmerge c expr = return expr
-- What transforms to run?
transforms = [ ("inlinedict", inlinedict)
, ("inlinetoplevel", inlinetoplevel)
-- What transforms to run?
transforms = [ ("inlinedict", inlinedict)
, ("inlinetoplevel", inlinetoplevel)
-
--
, ("inlinenonrepresult", inlinenonrepresult)
+ , ("inlinenonrepresult", inlinenonrepresult)
, ("knowncase", knowncase)
, ("classopresolution", classopresolution)
, ("argprop", argprop)
, ("knowncase", knowncase)
, ("classopresolution", classopresolution)
, ("argprop", argprop)