Move vectorisation-related smart constructors into a separate module

[ghc-hetmet.git] / compiler / vectorise / VectCore.hs

diff --git a/compiler/vectorise/VectCore.hs b/compiler/vectorise/VectCore.hs
new file mode 100644 (file)
index 0000000..63178bd
--- /dev/null
+++ b/compiler/vectorise/VectCore.hs
@@ -0,0 +1,41 @@
+module VectCore (
+  Vect, VVar, VExpr,
+
+  vectorised, lifted,
+  mapVect,
+
+  vVar, mkVLams, mkVVarApps
+) where
+
+#include "HsVersions.h"
+
+import CoreSyn
+import Var
+
+type Vect a = (a,a)
+type VVar   = Vect Var
+type VExpr  = Vect CoreExpr
+
+vectorised :: Vect a -> a
+vectorised = fst
+
+lifted :: Vect a -> a
+lifted = snd
+
+mapVect :: (a -> b) -> Vect a -> Vect b
+mapVect f (x,y) = (f x, f y)
+
+vVar :: VVar -> VExpr
+vVar = mapVect Var
+
+mkVLams :: [VVar] -> VExpr -> VExpr
+mkVLams vvs (ve,le) = (mkLams vs ve, mkLams ls le)
+  where
+    (vs,ls) = unzip vvs
+
+mkVVarApps :: Var -> VExpr -> [VVar] -> VExpr
+mkVVarApps lc (ve, le) vvs = (ve `mkVarApps` vs, le `mkVarApps` (lc : ls))
+  where
+    (vs,ls) = unzip vvs 
+
+