X-Git-Url: https://git.stderr.nl/gitweb?a=blobdiff_plain;f=c%CE%BBash%2FCLasH%2FNormalize%2FNormalizeTools.hs;h=a291ccc7b7ba9f25fcc971d728118e67626899e9;hb=990d258c1945fe74246089038f61f50ad12dd111;hp=6acaa86a5286ed347c6c2dccd3ab57c0e768fbf1;hpb=13d79fc21cd9ed00802647602401814d746c47cb;p=matthijs%2Fmaster-project%2Fc%CE%BBash.git

diff --git "a/c\316\273ash/CLasH/Normalize/NormalizeTools.hs" "b/c\316\273ash/CLasH/Normalize/NormalizeTools.hs"
index 6acaa86..a291ccc 100644
--- "a/c\316\273ash/CLasH/Normalize/NormalizeTools.hs"
+++ "b/c\316\273ash/CLasH/Normalize/NormalizeTools.hs"
@@ -45,8 +45,8 @@ applyboth first (name, second) expr = do
         -- trace ("Trying to apply transform " ++ name ++ " to:\n" ++ showSDoc (nest 4 $ ppr expr') ++ "\nType: \n" ++ (showSDoc $ nest 4 $ ppr $ CoreUtils.exprType expr') ++ "\n")
         changed 
     then 
-     -- trace ("Applying transform " ++ name ++ " to:\n" ++ showSDoc (nest 4 $ ppr expr') ++ "\nType: \n" ++ (showSDoc $ nest 4 $ ppr $ CoreUtils.exprType expr') ++ "\n") $
-     -- trace ("Result of applying " ++ name ++ ":\n" ++ showSDoc (nest 4 $ ppr expr'') ++ "\n" ++ "Type: \n" ++ (showSDoc $ nest 4 $ ppr $ CoreUtils.exprType expr'') ++ "\n" ) $
+     -- trace ("Applying transform " ++ name ++ " to:\n" ++ showSDoc (nest 4 $ ppr expr') ++ "\nType: \n" ++ (showSDoc $ nest 4 $ ppr $ CoreUtils.exprType expr') ++ "\n"
+     --        ++ "Result of applying " ++ name ++ ":\n" ++ showSDoc (nest 4 $ ppr expr'') ++ "\n" ++ "Type: \n" ++ (showSDoc $ nest 4 $ ppr $ CoreUtils.exprType expr'') ++ "\n" ) $
       applyboth first (name, second)
         expr'' 
     else 
@@ -178,9 +178,12 @@ substitute_clone find repl expr = subeverywhere (substitute_clone find repl) exp
 
 -- Is the given expression representable at runtime, based on the type?
 isRepr :: (CoreTools.TypedThing t) => t -> TransformMonad Bool
-isRepr tything = case CoreTools.getType tything of
+isRepr tything = Trans.lift (isRepr' tything)
+
+isRepr' :: (CoreTools.TypedThing t) => t -> TranslatorSession Bool
+isRepr' tything = case CoreTools.getType tything of
   Nothing -> return False
-  Just ty -> Trans.lift $ MonadState.lift tsType $ VHDLTools.isReprType ty 
+  Just ty -> MonadState.lift tsType $ VHDLTools.isReprType ty 
 
 is_local_var :: CoreSyn.CoreExpr -> TranslatorSession Bool
 is_local_var (CoreSyn.Var v) = do
@@ -199,16 +202,19 @@ isUserDefined bndr = str `notElem` compiler_names
     -- These are names of bindings usually generated by the compiler. For some
     -- reason these are not marked as system, probably because the name itself
     -- is not made up by the compiler, just this particular binding is.
-    compiler_names = ["fromInteger"]
+    compiler_names = ["fromInteger", "head", "tail", "init", "last", "+", "*", "-", "!"]
 
 -- Is the given binder normalizable? This means that its type signature can be
 -- represented in hardware, which should (?) guarantee that it can be made
 -- into hardware. Note that if a binder is not normalizable, it might become
 -- so using argument propagation.
 isNormalizeable :: CoreBndr -> TransformMonad Bool 
-isNormalizeable bndr = do
+isNormalizeable bndr = Trans.lift (isNormalizeable' bndr)
+
+isNormalizeable' :: CoreBndr -> TranslatorSession Bool 
+isNormalizeable' bndr = do
   let ty = Id.idType bndr
   let (arg_tys, res_ty) = Type.splitFunTys ty
   -- This function is normalizable if all its arguments and return value are
   -- representable.
-  andM $ mapM isRepr (res_ty:arg_tys)
+  andM $ mapM isRepr' (res_ty:arg_tys)