2 module Vectorise.Type.PADict
6 import Vectorise.Builtins
7 import Vectorise.Type.Repr
8 import Vectorise.Type.PRepr
9 import Vectorise.Type.PRDict
10 import Vectorise.Utils
25 buildPADict :: TyCon -> TyCon -> TyCon -> SumRepr -> VM Var
26 buildPADict vect_tc prepr_tc arr_tc repr
27 = polyAbstract tvs $ \args ->
29 method_ids <- mapM (method args) paMethods
31 pa_tc <- builtin paTyCon
32 pa_dc <- builtin paDataCon
33 let dict = mkLams (tvs ++ args)
35 $ Type inst_ty : map (method_call args) method_ids
37 dfun_ty = mkForAllTys tvs
38 $ mkFunTys (map varType args) (mkTyConApp pa_tc [inst_ty])
40 raw_dfun <- newExportedVar dfun_name dfun_ty
41 let dfun = raw_dfun `setIdUnfolding` mkDFunUnfolding dfun_ty (map Var method_ids)
42 `setInlinePragma` dfunInlinePragma
44 hoistBinding dfun dict
47 tvs = tyConTyVars vect_tc
48 arg_tys = mkTyVarTys tvs
49 inst_ty = mkTyConApp vect_tc arg_tys
51 dfun_name = mkPADFunOcc (getOccName vect_tc)
53 method args (name, build)
56 expr <- build vect_tc prepr_tc arr_tc repr
57 let body = mkLams (tvs ++ args) expr
58 raw_var <- newExportedVar (method_name name) (exprType body)
60 `setIdUnfolding` mkInlineRule body (Just (length args))
61 `setInlinePragma` alwaysInlinePragma
65 method_call args id = mkApps (Var id) (map Type arg_tys ++ map Var args)
67 method_name name = mkVarOcc $ occNameString dfun_name ++ ('$' : name)
70 paMethods :: [(String, TyCon -> TyCon -> TyCon -> SumRepr -> VM CoreExpr)]
71 paMethods = [("dictPRepr", buildPRDict),
72 ("toPRepr", buildToPRepr),
73 ("fromPRepr", buildFromPRepr),
74 ("toArrPRepr", buildToArrPRepr),
75 ("fromArrPRepr", buildFromArrPRepr)]