1 module Vectorise( vectorise )
4 #include "HsVersions.h"
14 import CoreLint ( showPass, endPass )
18 import SimplMonad ( SimplCount, zeroSimplCount )
19 import Rules ( RuleBase )
23 import FamInstEnv ( extendFamInstEnvList )
24 import InstEnv ( extendInstEnvList )
28 import Name ( Name, mkSysTvName, getName )
31 import MkId ( unwrapFamInstScrut )
33 import RdrName ( RdrName, mkRdrQual )
34 import Module ( mkModuleNameFS )
36 import DsMonad hiding (mapAndUnzipM)
37 import DsUtils ( mkCoreTup, mkCoreTupTy )
39 import Literal ( Literal )
42 import TysPrim ( intPrimTy )
43 import BasicTypes ( Boxity(..) )
47 import Control.Monad ( liftM, liftM2, zipWithM, mapAndUnzipM )
49 mkNDPVar :: String -> RdrName
50 mkNDPVar s = mkRdrQual nDP_BUILTIN (mkVarOcc s)
52 mkNDPVarFS :: FastString -> RdrName
53 mkNDPVarFS fs = mkRdrQual nDP_BUILTIN (mkVarOccFS fs)
55 builtin_PAs :: [(Name, RdrName)]
57 mk closureTyConName FSLIT("dPA_Clo")
58 , mk intTyConName FSLIT("dPA_Int")
62 mk name fs = (name, mkNDPVarFS fs)
64 tups = mk_tup 0 : map mk_tup [2..3]
65 mk_tup n = (getName $ tupleTyCon Boxed n, mkNDPVar $ "dPA_" ++ show n)
67 vectorise :: HscEnv -> UniqSupply -> RuleBase -> ModGuts
68 -> IO (SimplCount, ModGuts)
69 vectorise hsc_env _ _ guts
71 showPass dflags "Vectorisation"
73 let info = hptVectInfo hsc_env `plusVectInfo` eps_vect_info eps
74 Just (info', guts') <- initV hsc_env guts info (vectModule guts)
75 endPass dflags "Vectorisation" Opt_D_dump_vect (mg_binds guts')
76 return (zeroSimplCount dflags, guts' { mg_vect_info = info' })
78 dflags = hsc_dflags hsc_env
80 vectModule :: ModGuts -> VM ModGuts
83 defTyConRdrPAs builtin_PAs
84 (types', fam_insts, tc_binds) <- vectTypeEnv (mg_types guts)
86 let fam_inst_env' = extendFamInstEnvList (mg_fam_inst_env guts) fam_insts
87 updGEnv (setFamInstEnv fam_inst_env')
89 -- dicts <- mapM buildPADict pa_insts
90 -- workers <- mapM vectDataConWorkers pa_insts
91 binds' <- mapM vectTopBind (mg_binds guts)
92 return $ guts { mg_types = types'
93 , mg_binds = Rec tc_binds : binds'
94 , mg_fam_inst_env = fam_inst_env'
95 , mg_fam_insts = mg_fam_insts guts ++ fam_insts
98 vectTopBind :: CoreBind -> VM CoreBind
99 vectTopBind b@(NonRec var expr)
101 var' <- vectTopBinder var
102 expr' <- vectTopRhs var expr
104 return . Rec $ (var, expr) : (var', expr') : hs
108 vectTopBind b@(Rec bs)
110 vars' <- mapM vectTopBinder vars
111 exprs' <- zipWithM vectTopRhs vars exprs
113 return . Rec $ bs ++ zip vars' exprs' ++ hs
117 (vars, exprs) = unzip bs
119 vectTopBinder :: Var -> VM Var
122 vty <- vectType (idType var)
123 var' <- cloneId mkVectOcc var vty
124 defGlobalVar var var'
127 vectTopRhs :: Var -> CoreExpr -> VM CoreExpr
130 closedV . liftM vectorised
132 $ vectPolyExpr (freeVars expr)
134 -- ----------------------------------------------------------------------------
137 vectBndr :: Var -> VM VVar
140 vty <- vectType (idType v)
141 lty <- mkPArrayType vty
142 let vv = v `Id.setIdType` vty
143 lv = v `Id.setIdType` lty
144 updLEnv (mapTo vv lv)
147 mapTo vv lv env = env { local_vars = extendVarEnv (local_vars env) v (vv, lv) }
149 vectBndrIn :: Var -> VM a -> VM (VVar, a)
157 vectBndrsIn :: [Var] -> VM a -> VM ([VVar], a)
161 vvs <- mapM vectBndr vs
165 -- ----------------------------------------------------------------------------
168 vectVar :: Var -> VM VExpr
173 Local (vv,lv) -> return (Var vv, Var lv)
176 lexpr <- liftPA vexpr
177 return (vexpr, lexpr)
179 vectPolyVar :: Var -> [Type] -> VM VExpr
182 vtys <- mapM vectType tys
185 Local (vv, lv) -> liftM2 (,) (polyApply (Var vv) vtys)
186 (polyApply (Var lv) vtys)
188 vexpr <- polyApply (Var poly) vtys
189 lexpr <- liftPA vexpr
190 return (vexpr, lexpr)
192 vectLiteral :: Literal -> VM VExpr
195 lexpr <- liftPA (Lit lit)
196 return (Lit lit, lexpr)
198 vectPolyExpr :: CoreExprWithFVs -> VM VExpr
200 = polyAbstract tvs $ \abstract ->
202 mono' <- vectExpr mono
203 return $ mapVect abstract mono'
205 (tvs, mono) = collectAnnTypeBinders expr
207 vectExpr :: CoreExprWithFVs -> VM VExpr
208 vectExpr (_, AnnType ty)
209 = liftM vType (vectType ty)
211 vectExpr (_, AnnVar v) = vectVar v
213 vectExpr (_, AnnLit lit) = vectLiteral lit
215 vectExpr (_, AnnNote note expr)
216 = liftM (vNote note) (vectExpr expr)
218 vectExpr e@(_, AnnApp _ arg)
220 = vectTyAppExpr fn tys
222 (fn, tys) = collectAnnTypeArgs e
224 vectExpr (_, AnnApp fn arg)
228 mkClosureApp fn' arg'
230 vectExpr (_, AnnCase expr bndr ty alts)
231 = panic "vectExpr: case"
233 vectExpr (_, AnnLet (AnnNonRec bndr rhs) body)
235 vrhs <- localV . inBind bndr $ vectPolyExpr rhs
236 (vbndr, vbody) <- vectBndrIn bndr (vectExpr body)
237 return $ vLet (vNonRec vbndr vrhs) vbody
239 vectExpr (_, AnnLet (AnnRec bs) body)
241 (vbndrs, (vrhss, vbody)) <- vectBndrsIn bndrs
243 (zipWithM vect_rhs bndrs rhss)
245 return $ vLet (vRec vbndrs vrhss) vbody
247 (bndrs, rhss) = unzip bs
249 vect_rhs bndr rhs = localV
253 vectExpr e@(fvs, AnnLam bndr _)
254 | not (isId bndr) = pprPanic "vectExpr" (ppr $ deAnnotate e)
255 | otherwise = vectLam fvs bs body
257 (bs,body) = collectAnnValBinders e
259 vectLam :: VarSet -> [Var] -> CoreExprWithFVs -> VM VExpr
262 tyvars <- localTyVars
263 (vs, vvs) <- readLEnv $ \env ->
264 unzip [(var, vv) | var <- varSetElems fvs
265 , Just vv <- [lookupVarEnv (local_vars env) var]]
267 arg_tys <- mapM (vectType . idType) bs
268 res_ty <- vectType (exprType $ deAnnotate body)
270 buildClosures tyvars vvs arg_tys res_ty
271 . hoistPolyVExpr tyvars
273 lc <- builtin liftingContext
274 (vbndrs, vbody) <- vectBndrsIn (vs ++ bs)
276 return $ vLams lc vbndrs vbody
278 vectTyAppExpr :: CoreExprWithFVs -> [Type] -> VM VExpr
279 vectTyAppExpr (_, AnnVar v) tys = vectPolyVar v tys
280 vectTyAppExpr e tys = pprPanic "vectTyAppExpr" (ppr $ deAnnotate e)