module VectCore ( Vect, VVar, VExpr, VBind, vectorised, lifted, mapVect, vVarType, vNonRec, vRec, vVar, vType, vNote, vLet, vLams, vLamsWithoutLC, vVarApps, vCaseDEFAULT, vInlineMe ) where #include "HsVersions.h" import CoreSyn import CoreUtils ( mkInlineMe ) import Type ( Type ) 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 lifted :: Vect a -> a 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) vVarType :: VVar -> Type vVarType = varType . vectorised vVar :: VVar -> VExpr vVar = mapVect Var 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 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)] vInlineMe :: VExpr -> VExpr vInlineMe (vexpr, lexpr) = (mkInlineMe vexpr, mkInlineMe lexpr)