#include "HsVersions.h"
+import VectMonad
+import VectUtils
+import VectType
+import VectCore
+
import DynFlags
import HscTypes
-vectorise :: HscEnv -> ModGuts -> IO ModGuts
-vectorise hsc_env guts
- | not (Opt_Vectorise `dopt` dflags) = return guts
- | otherwise = return guts
+import CoreLint ( showPass, endPass )
+import CoreSyn
+import CoreUtils
+import CoreFVs
+import SimplMonad ( SimplCount, zeroSimplCount )
+import Rules ( RuleBase )
+import DataCon
+import TyCon
+import Type
+import FamInstEnv ( extendFamInstEnvList )
+import InstEnv ( extendInstEnvList )
+import Var
+import VarEnv
+import VarSet
+import Name ( mkSysTvName, getName )
+import NameEnv
+import Id
+import MkId ( unwrapFamInstScrut )
+import OccName
+
+import DsMonad hiding (mapAndUnzipM)
+import DsUtils ( mkCoreTup, mkCoreTupTy )
+
+import Literal ( Literal )
+import PrelNames
+import TysWiredIn
+import TysPrim ( intPrimTy )
+import BasicTypes ( Boxity(..) )
+
+import Outputable
+import FastString
+import Control.Monad ( liftM, liftM2, zipWithM, mapAndUnzipM )
+
+vectorise :: HscEnv -> UniqSupply -> RuleBase -> ModGuts
+ -> IO (SimplCount, ModGuts)
+vectorise hsc_env _ _ guts
+ = do
+ showPass dflags "Vectorisation"
+ eps <- hscEPS hsc_env
+ let info = hptVectInfo hsc_env `plusVectInfo` eps_vect_info eps
+ Just (info', guts') <- initV hsc_env guts info (vectModule guts)
+ endPass dflags "Vectorisation" Opt_D_dump_vect (mg_binds guts')
+ return (zeroSimplCount dflags, guts' { mg_vect_info = info' })
where
dflags = hsc_dflags hsc_env
+vectModule :: ModGuts -> VM ModGuts
+vectModule guts
+ = do
+ (types', fam_insts, pa_insts) <- vectTypeEnv (mg_types guts)
+
+ let insts = map painstInstance pa_insts
+ fam_inst_env' = extendFamInstEnvList (mg_fam_inst_env guts) fam_insts
+ inst_env' = extendInstEnvList (mg_inst_env guts) insts
+ updGEnv (setInstEnvs inst_env' fam_inst_env')
+
+ dicts <- mapM buildPADict pa_insts
+ binds' <- mapM vectTopBind (mg_binds guts)
+ return $ guts { mg_types = types'
+ , mg_binds = Rec (concat dicts) : binds'
+ , mg_inst_env = inst_env'
+ , mg_fam_inst_env = fam_inst_env'
+ , mg_insts = mg_insts guts ++ insts
+ , mg_fam_insts = mg_fam_insts guts ++ fam_insts
+ }
+
+vectTopBind :: CoreBind -> VM CoreBind
+vectTopBind b@(NonRec var expr)
+ = do
+ var' <- vectTopBinder var
+ expr' <- vectTopRhs var expr
+ hs <- takeHoisted
+ return . Rec $ (var, expr) : (var', expr') : hs
+ `orElseV`
+ return b
+
+vectTopBind b@(Rec bs)
+ = do
+ vars' <- mapM vectTopBinder vars
+ exprs' <- zipWithM vectTopRhs vars exprs
+ hs <- takeHoisted
+ return . Rec $ bs ++ zip vars' exprs' ++ hs
+ `orElseV`
+ return b
+ where
+ (vars, exprs) = unzip bs
+
+vectTopBinder :: Var -> VM Var
+vectTopBinder var
+ = do
+ vty <- vectType (idType var)
+ name <- cloneName mkVectOcc (getName var)
+ let var' | isExportedId var = Id.mkExportedLocalId name vty
+ | otherwise = Id.mkLocalId name vty
+ defGlobalVar var var'
+ return var'
+
+vectTopRhs :: Var -> CoreExpr -> VM CoreExpr
+vectTopRhs var expr
+ = do
+ lc <- newLocalVar FSLIT("lc") intPrimTy
+ closedV . liftM vectorised
+ . inBind var
+ $ vectPolyExpr lc (freeVars expr)
+
+-- ----------------------------------------------------------------------------
+-- Bindings
+
+vectBndr :: Var -> VM VVar
+vectBndr v
+ = do
+ vty <- vectType (idType v)
+ lty <- mkPArrayType vty
+ let vv = v `Id.setIdType` vty
+ lv = v `Id.setIdType` lty
+ updLEnv (mapTo vv lv)
+ return (vv, lv)
+ where
+ mapTo vv lv env = env { local_vars = extendVarEnv (local_vars env) v (vv, lv) }
+
+vectBndrIn :: Var -> VM a -> VM (VVar, a)
+vectBndrIn v p
+ = localV
+ $ do
+ vv <- vectBndr v
+ x <- p
+ return (vv, x)
+
+vectBndrsIn :: [Var] -> VM a -> VM ([VVar], a)
+vectBndrsIn vs p
+ = localV
+ $ do
+ vvs <- mapM vectBndr vs
+ x <- p
+ return (vvs, x)
+
+-- ----------------------------------------------------------------------------
+-- Expressions
+
+capply :: VExpr -> VExpr -> VM VExpr
+capply (vfn, lfn) (varg, larg)
+ = do
+ apply <- builtin applyClosureVar
+ applyP <- builtin applyClosurePVar
+ return (mkApps (Var apply) [Type arg_ty, Type res_ty, vfn, varg],
+ mkApps (Var applyP) [Type arg_ty, Type res_ty, lfn, larg])
+ where
+ fn_ty = exprType vfn
+ (arg_ty, res_ty) = splitClosureTy fn_ty
+
+vectVar :: Var -> Var -> VM VExpr
+vectVar lc v
+ = do
+ r <- lookupVar v
+ case r of
+ Local (vv,lv) -> return (Var vv, Var lv)
+ Global vv -> do
+ let vexpr = Var vv
+ lexpr <- replicatePA vexpr (Var lc)
+ return (vexpr, lexpr)
+
+vectPolyVar :: Var -> Var -> [Type] -> VM VExpr
+vectPolyVar lc v tys
+ = do
+ vtys <- mapM vectType tys
+ r <- lookupVar v
+ case r of
+ Local (vv, lv) -> liftM2 (,) (polyApply (Var vv) vtys)
+ (polyApply (Var lv) vtys)
+ Global poly -> do
+ vexpr <- polyApply (Var poly) vtys
+ lexpr <- replicatePA vexpr (Var lc)
+ return (vexpr, lexpr)
+
+vectLiteral :: Var -> Literal -> VM VExpr
+vectLiteral lc lit
+ = do
+ lexpr <- replicatePA (Lit lit) (Var lc)
+ return (Lit lit, lexpr)
+
+vectPolyExpr :: Var -> CoreExprWithFVs -> VM VExpr
+vectPolyExpr lc expr
+ = polyAbstract tvs $ \abstract ->
+ -- FIXME: shadowing (tvs in lc)
+ do
+ mono' <- vectExpr lc mono
+ return $ mapVect abstract mono'
+ where
+ (tvs, mono) = collectAnnTypeBinders expr
+
+vectExpr :: Var -> CoreExprWithFVs -> VM VExpr
+vectExpr lc (_, AnnType ty)
+ = liftM vType (vectType ty)
+
+vectExpr lc (_, AnnVar v) = vectVar lc v
+
+vectExpr lc (_, AnnLit lit) = vectLiteral lc lit
+
+vectExpr lc (_, AnnNote note expr)
+ = liftM (vNote note) (vectExpr lc expr)
+
+vectExpr lc e@(_, AnnApp _ arg)
+ | isAnnTypeArg arg
+ = vectTyAppExpr lc fn tys
+ where
+ (fn, tys) = collectAnnTypeArgs e
+
+vectExpr lc (_, AnnApp fn arg)
+ = do
+ fn' <- vectExpr lc fn
+ arg' <- vectExpr lc arg
+ capply fn' arg'
+
+vectExpr lc (_, AnnCase expr bndr ty alts)
+ = panic "vectExpr: case"
+
+vectExpr lc (_, AnnLet (AnnNonRec bndr rhs) body)
+ = do
+ vrhs <- localV . inBind bndr $ vectPolyExpr lc rhs
+ (vbndr, vbody) <- vectBndrIn bndr (vectExpr lc body)
+ return $ vLet (vNonRec vbndr vrhs) vbody
+
+vectExpr lc (_, AnnLet (AnnRec bs) body)
+ = do
+ (vbndrs, (vrhss, vbody)) <- vectBndrsIn bndrs
+ $ liftM2 (,)
+ (zipWithM vect_rhs bndrs rhss)
+ (vectPolyExpr lc body)
+ return $ vLet (vRec vbndrs vrhss) vbody
+ where
+ (bndrs, rhss) = unzip bs
+
+ vect_rhs bndr rhs = localV
+ . inBind bndr
+ $ vectExpr lc rhs
+
+vectExpr lc e@(fvs, AnnLam bndr _)
+ | not (isId bndr) = pprPanic "vectExpr" (ppr $ deAnnotate e)
+ | otherwise = vectLam lc fvs bs body
+ where
+ (bs,body) = collectAnnValBinders e
+
+vectLam :: Var -> VarSet -> [Var] -> CoreExprWithFVs -> VM VExpr
+vectLam lc fvs bs body
+ = do
+ tyvars <- localTyVars
+ (vs, vvs) <- readLEnv $ \env ->
+ unzip [(var, vv) | var <- varSetElems fvs
+ , Just vv <- [lookupVarEnv (local_vars env) var]]
+
+ arg_tys <- mapM (vectType . idType) bs
+ res_ty <- vectType (exprType $ deAnnotate body)
+
+ buildClosures tyvars lc vvs arg_tys res_ty
+ . hoistPolyVExpr tyvars
+ $ do
+ new_lc <- newLocalVar FSLIT("lc") intPrimTy
+ (vbndrs, vbody) <- vectBndrsIn (vs ++ bs)
+ (vectExpr new_lc body)
+ return $ vLams new_lc vbndrs vbody
+
+vectTyAppExpr :: Var -> CoreExprWithFVs -> [Type] -> VM (CoreExpr, CoreExpr)
+vectTyAppExpr lc (_, AnnVar v) tys = vectPolyVar lc v tys
+vectTyAppExpr lc e tys = pprPanic "vectTyAppExpr" (ppr $ deAnnotate e)
+
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