From: Matthijs Kooijman <m.kooijman@student.utwente.nl>
Date: Fri, 14 Aug 2009 13:29:12 +0000 (+0200)
Subject: Move flattenLets from Normalize to CoreTools.
X-Git-Url: https://git.stderr.nl/gitweb?a=commitdiff_plain;h=e74b5270eaa6133386aa5a793700acf079dfc97d;p=matthijs%2Fmaster-project%2Fc%CE%BBash.git

Move flattenLets from Normalize to CoreTools.
---

diff --git "a/c\316\273ash/CLasH/Normalize.hs" "b/c\316\273ash/CLasH/Normalize.hs"
index 8cbebad..53bec02 100644
--- "a/c\316\273ash/CLasH/Normalize.hs"
+++ "b/c\316\273ash/CLasH/Normalize.hs"
@@ -620,18 +620,3 @@ splitNormalized expr = (args, binds, res)
     res = case resexpr of 
       (Var x) -> x
       _ -> error $ "Normalize.splitNormalized: Not in normal form: " ++ pprString expr ++ "\n"
-
--- | Flattens nested lets into a single list of bindings. The expression
---   passed does not have to be a let expression, if it isn't an empty list of
---   bindings is returned.
-flattenLets ::
-  CoreExpr -- ^ The expression to flatten.
-  -> ([Binding], CoreExpr) -- ^ The bindings and resulting expression.
-flattenLets (Let binds expr) = 
-  (bindings ++ bindings', expr')
-  where
-    -- Recursively flatten the contained expression
-    (bindings', expr') =flattenLets expr
-    -- Flatten our own bindings to remove the Rec / NonRec constructors
-    bindings = CoreSyn.flattenBinds [binds]
-flattenLets expr = ([], expr)
diff --git "a/c\316\273ash/CLasH/Utils/Core/CoreTools.hs" "b/c\316\273ash/CLasH/Utils/Core/CoreTools.hs"
index d8f4289..21c5e14 100644
--- "a/c\316\273ash/CLasH/Utils/Core/CoreTools.hs"
+++ "b/c\316\273ash/CLasH/Utils/Core/CoreTools.hs"
@@ -298,6 +298,21 @@ hasStateType expr = case getType expr of
   Just ty -> isStateType ty
 
 
+-- | Flattens nested lets into a single list of bindings. The expression
+--   passed does not have to be a let expression, if it isn't an empty list of
+--   bindings is returned.
+flattenLets ::
+  CoreSyn.CoreExpr -- ^ The expression to flatten.
+  -> ([Binding], CoreSyn.CoreExpr) -- ^ The bindings and resulting expression.
+flattenLets (CoreSyn.Let binds expr) = 
+  (bindings ++ bindings', expr')
+  where
+    -- Recursively flatten the contained expression
+    (bindings', expr') =flattenLets expr
+    -- Flatten our own bindings to remove the Rec / NonRec constructors
+    bindings = CoreSyn.flattenBinds [binds]
+flattenLets expr = ([], expr)
+
 -- | A class of things that (optionally) have a core Type. The type is
 -- optional, since Type expressions don't have a type themselves.
 class TypedThing t where