X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Fvectorise%2FVectCore.hs;h=248bcb62e10fced651139bcce77cdf8ce67df56c;hb=772810755a8519db4585f54a27dbbdd8b9127419;hp=63178bd5d7d1b7fdcaccf12c2776135e0e4afc9d;hpb=a63ba966cf8f0f12e303102d3241445579f77043;p=ghc-hetmet.git

diff --git a/compiler/vectorise/VectCore.hs b/compiler/vectorise/VectCore.hs
index 63178bd..248bcb6 100644
--- a/compiler/vectorise/VectCore.hs
+++ b/compiler/vectorise/VectCore.hs
@@ -1,20 +1,36 @@
+{-# OPTIONS -w #-}
+-- The above warning supression flag is a temporary kludge.
+-- While working on this module you are encouraged to remove it and fix
+-- any warnings in the module. See
+--     http://hackage.haskell.org/trac/ghc/wiki/Commentary/CodingStyle#Warnings
+-- for details
+
 module VectCore (
-  Vect, VVar, VExpr,
+  Vect, VVar, VExpr, VBind,
 
   vectorised, lifted,
   mapVect,
 
-  vVar, mkVLams, mkVVarApps
+  vNonRec, vRec,
+
+  vVar, vType, vNote, vLet,
+  vLams, vLamsWithoutLC, vVarApps,
+  vCaseDEFAULT, vCaseProd
 ) where
 
 #include "HsVersions.h"
 
 import CoreSyn
+import CoreUtils      ( exprType )
+import DataCon        ( DataCon )
+import Type           ( Type )
+import Id             ( mkWildId )
 import Var
 
 type Vect a = (a,a)
 type VVar   = Vect Var
 type VExpr  = Vect CoreExpr
+type VBind  = Vect CoreBind
 
 vectorised :: Vect a -> a
 vectorised = fst
@@ -25,17 +41,59 @@ lifted = snd
 mapVect :: (a -> b) -> Vect a -> Vect b
 mapVect f (x,y) = (f x, f y)
 
+zipWithVect :: (a -> b -> c) -> Vect a -> Vect b -> Vect c
+zipWithVect f (x1,y1) (x2,y2) = (f x1 x2, f y1 y2)
+
 vVar :: VVar -> VExpr
 vVar = mapVect Var
 
-mkVLams :: [VVar] -> VExpr -> VExpr
-mkVLams vvs (ve,le) = (mkLams vs ve, mkLams ls le)
+vType :: Type -> VExpr
+vType ty = (Type ty, Type ty)
+
+vNote :: Note -> VExpr -> VExpr
+vNote = mapVect . Note
+
+vNonRec :: VVar -> VExpr -> VBind
+vNonRec = zipWithVect NonRec
+
+vRec :: [VVar] -> [VExpr] -> VBind
+vRec vs es = (Rec (zip vvs ves), Rec (zip lvs les))
+  where
+    (vvs, lvs) = unzip vs
+    (ves, les) = unzip es
+
+vLet :: VBind -> VExpr -> VExpr
+vLet = zipWithVect Let
+
+vLams :: Var -> [VVar] -> VExpr -> VExpr
+vLams lc vs (ve, le) = (mkLams vvs ve, mkLams (lc:lvs) le)
+  where
+    (vvs,lvs) = unzip vs
+
+vLamsWithoutLC :: [VVar] -> VExpr -> VExpr
+vLamsWithoutLC 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))
+vVarApps :: Var -> VExpr -> [VVar] -> VExpr
+vVarApps lc (ve, le) vvs = (ve `mkVarApps` vs, le `mkVarApps` (lc : ls))
   where
     (vs,ls) = unzip vvs 
 
+vCaseDEFAULT :: VExpr -> VVar -> Type -> Type -> VExpr -> VExpr
+vCaseDEFAULT (vscrut, lscrut) (vbndr, lbndr) vty lty (vbody, lbody)
+  = (Case vscrut vbndr vty (mkDEFAULT vbody),
+     Case lscrut lbndr lty (mkDEFAULT lbody))
+  where
+    mkDEFAULT e = [(DEFAULT, [], e)]
 
+vCaseProd :: VExpr -> Type -> Type
+          -> DataCon -> DataCon -> [Var] -> [VVar] -> VExpr -> VExpr
+vCaseProd (vscrut, lscrut) vty lty vdc ldc sh_bndrs bndrs
+          (vbody,lbody)
+  = (Case vscrut (mkWildId $ exprType vscrut) vty
+          [(DataAlt vdc, vbndrs, vbody)],
+     Case lscrut (mkWildId $ exprType lscrut) lty
+          [(DataAlt ldc, sh_bndrs ++ lbndrs, lbody)])
+  where
+    (vbndrs, lbndrs) = unzip bndrs