X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=compiler%2Fvectorise%2FVectBuiltIn.hs;h=65579b4448dc59a038fb76dbfbe0e3040b5a753e;hp=160bf07d2d3fe0efeb8b3ce25fd8bc48b52a02e9;hb=c5af8d12b7a6e67f31b4792c1ebe3dc53326c1f3;hpb=a139addf4890fc2167949680ead07ab809a9d98b diff --git a/compiler/vectorise/VectBuiltIn.hs b/compiler/vectorise/VectBuiltIn.hs index 160bf07..65579b4 100644 --- a/compiler/vectorise/VectBuiltIn.hs +++ b/compiler/vectorise/VectBuiltIn.hs @@ -1,7 +1,16 @@ + +-- | The vectoriser rewrites user code to use builtin types and functions exported by the DPH library. +-- We track the names of those things in the `Builtis` type, and provide selection functions +-- to help extract their names. module VectBuiltIn ( - Builtins(..), sumTyCon, prodTyCon, prodDataCon, - selTy, selReplicate, selPick, selElements, + Builtins(..), + + -- * Projections + sumTyCon, prodTyCon, prodDataCon, + selTy,selReplicate, selPick, selTags, selElements, combinePDVar, scalarZip, closureCtrFun, + + -- * Initialisation initBuiltins, initBuiltinVars, initBuiltinTyCons, initBuiltinDataCons, initBuiltinPAs, initBuiltinPRs, initBuiltinBoxedTyCons, initBuiltinScalars, @@ -11,6 +20,7 @@ module VectBuiltIn ( import DsMonad import IfaceEnv ( lookupOrig ) +import InstEnv import Module import DataCon ( DataCon, dataConName, dataConWorkId ) @@ -26,11 +36,11 @@ import OccName import TypeRep ( funTyCon ) import Type ( Type, mkTyConApp ) import TysPrim -import TysWiredIn ( unitTyCon, unitDataCon, +import TysWiredIn ( unitDataCon, tupleTyCon, tupleCon, - intTyCon, intTyConName, - doubleTyCon, doubleTyConName, - boolTyCon, boolTyConName, trueDataCon, falseDataCon, + intTyCon, + doubleTyCon, + boolTyCon, trueDataCon, falseDataCon, parrTyConName ) import PrelNames ( word8TyConName, gHC_PARR ) import BasicTypes ( Boxity(..) ) @@ -42,6 +52,8 @@ import Data.Array import Control.Monad ( liftM, zipWithM ) import Data.List ( unzip4 ) + +-- Numbers of things exported by the DPH library. mAX_DPH_PROD :: Int mAX_DPH_PROD = 5 @@ -54,106 +66,146 @@ mAX_DPH_COMBINE = 2 mAX_DPH_SCALAR_ARGS :: Int mAX_DPH_SCALAR_ARGS = 3 -data Modules = Modules { - dph_PArray :: Module - , dph_Repr :: Module - , dph_Closure :: Module - , dph_Unboxed :: Module - , dph_Instances :: Module - , dph_Combinators :: Module - , dph_Scalar :: Module - , dph_Selector :: Module - , dph_Prelude_PArr :: Module - , dph_Prelude_Int :: Module - , dph_Prelude_Word8 :: Module - , dph_Prelude_Double :: Module - , dph_Prelude_Bool :: Module - , dph_Prelude_Tuple :: Module - } +-- | Ids of the modules that contain our DPH builtins. +data Modules + = Modules + { dph_PArray :: Module + , dph_Repr :: Module + , dph_Closure :: Module + , dph_Unboxed :: Module + , dph_Instances :: Module + , dph_Combinators :: Module + , dph_Scalar :: Module + , dph_Selector :: Module + , dph_Prelude_PArr :: Module + , dph_Prelude_Int :: Module + , dph_Prelude_Word8 :: Module + , dph_Prelude_Double :: Module + , dph_Prelude_Bool :: Module + , dph_Prelude_Tuple :: Module + } + + +-- | The locations of builtins in the current DPH library. dph_Modules :: PackageId -> Modules -dph_Modules pkg = Modules { - dph_PArray = mk (fsLit "Data.Array.Parallel.Lifted.PArray") - , dph_Repr = mk (fsLit "Data.Array.Parallel.Lifted.Repr") - , dph_Closure = mk (fsLit "Data.Array.Parallel.Lifted.Closure") - , dph_Unboxed = mk (fsLit "Data.Array.Parallel.Lifted.Unboxed") - , dph_Instances = mk (fsLit "Data.Array.Parallel.Lifted.Instances") - , dph_Combinators = mk (fsLit "Data.Array.Parallel.Lifted.Combinators") - , dph_Scalar = mk (fsLit "Data.Array.Parallel.Lifted.Scalar") - , dph_Selector = mk (fsLit "Data.Array.Parallel.Lifted.Selector") - - , dph_Prelude_PArr = mk (fsLit "Data.Array.Parallel.Prelude.Base.PArr") - , dph_Prelude_Int = mk (fsLit "Data.Array.Parallel.Prelude.Base.Int") - , dph_Prelude_Word8 = mk (fsLit "Data.Array.Parallel.Prelude.Base.Word8") - , dph_Prelude_Double = mk (fsLit "Data.Array.Parallel.Prelude.Base.Double") - , dph_Prelude_Bool = mk (fsLit "Data.Array.Parallel.Prelude.Base.Bool") - , dph_Prelude_Tuple = mk (fsLit "Data.Array.Parallel.Prelude.Base.Tuple") - } - where - mk = mkModule pkg . mkModuleNameFS - - -data Builtins = Builtins { - dphModules :: Modules - , parrayTyCon :: TyCon - , parrayDataCon :: DataCon - , pdataTyCon :: TyCon - , paTyCon :: TyCon - , paDataCon :: DataCon - , preprTyCon :: TyCon - , prTyCon :: TyCon - , prDataCon :: DataCon - , voidTyCon :: TyCon - , wrapTyCon :: TyCon - , selTys :: Array Int Type - , selReplicates :: Array Int CoreExpr - , selPicks :: Array Int CoreExpr - , selEls :: Array (Int, Int) CoreExpr - , sumTyCons :: Array Int TyCon - , closureTyCon :: TyCon - , voidVar :: Var - , pvoidVar :: Var - , fromVoidVar :: Var - , punitVar :: Var - , closureVar :: Var - , applyVar :: Var - , liftedClosureVar :: Var - , liftedApplyVar :: Var - , replicatePDVar :: Var - , emptyPDVar :: Var - , packPDVar :: Var - , combinePDVars :: Array Int Var - , scalarClass :: Class - , scalarZips :: Array Int Var - , closureCtrFuns :: Array Int Var - , liftingContext :: Var - } - -indexBuiltin :: (Ix i, Outputable i) => String -> (Builtins -> Array i a) - -> i -> Builtins -> a +dph_Modules pkg + = Modules + { dph_PArray = mk (fsLit "Data.Array.Parallel.Lifted.PArray") + , dph_Repr = mk (fsLit "Data.Array.Parallel.Lifted.Repr") + , dph_Closure = mk (fsLit "Data.Array.Parallel.Lifted.Closure") + , dph_Unboxed = mk (fsLit "Data.Array.Parallel.Lifted.Unboxed") + , dph_Instances = mk (fsLit "Data.Array.Parallel.Lifted.Instances") + , dph_Combinators = mk (fsLit "Data.Array.Parallel.Lifted.Combinators") + , dph_Scalar = mk (fsLit "Data.Array.Parallel.Lifted.Scalar") + , dph_Selector = mk (fsLit "Data.Array.Parallel.Lifted.Selector") + + , dph_Prelude_PArr = mk (fsLit "Data.Array.Parallel.Prelude.Base.PArr") + , dph_Prelude_Int = mk (fsLit "Data.Array.Parallel.Prelude.Base.Int") + , dph_Prelude_Word8 = mk (fsLit "Data.Array.Parallel.Prelude.Base.Word8") + , dph_Prelude_Double = mk (fsLit "Data.Array.Parallel.Prelude.Base.Double") + , dph_Prelude_Bool = mk (fsLit "Data.Array.Parallel.Prelude.Base.Bool") + , dph_Prelude_Tuple = mk (fsLit "Data.Array.Parallel.Prelude.Base.Tuple") + } + where mk = mkModule pkg . mkModuleNameFS + + +-- | Project out ids of modules that contain orphan instances that we need to load. +dph_Orphans :: [Modules -> Module] +dph_Orphans = [dph_Repr, dph_Instances] + + +-- | Information about what builtin stuff to use from the DPH base libraries. +data Builtins + = Builtins + { dphModules :: Modules + + -- From dph-common:Data.Array.Parallel.Lifted.PArray + , parrayTyCon :: TyCon -- ^ PArray + , parrayDataCon :: DataCon -- ^ PArray + , pdataTyCon :: TyCon -- ^ PData + , paTyCon :: TyCon -- ^ PA + , paDataCon :: DataCon -- ^ PA + , preprTyCon :: TyCon -- ^ PRepr + , prTyCon :: TyCon -- ^ PR + , prDataCon :: DataCon -- ^ PR + , replicatePDVar :: Var -- ^ replicatePD + , emptyPDVar :: Var -- ^ emptyPD + , packByTagPDVar :: Var -- ^ packByTagPD + , combinePDVars :: Array Int Var -- ^ combinePD + , scalarClass :: Class -- ^ Scalar + + -- From dph-common:Data.Array.Parallel.Lifted.Closure + , closureTyCon :: TyCon -- ^ :-> + , closureVar :: Var -- ^ closure + , applyVar :: Var -- ^ $: + , liftedClosureVar :: Var -- ^ liftedClosure + , liftedApplyVar :: Var -- ^ liftedApply + , closureCtrFuns :: Array Int Var -- ^ closure1 .. closure2 + + -- From dph-common:Data.Array.Parallel.Lifted.Repr + , voidTyCon :: TyCon -- ^ Void + , wrapTyCon :: TyCon -- ^ Wrap + , sumTyCons :: Array Int TyCon -- ^ Sum2 .. Sum3 + , voidVar :: Var -- ^ void + , pvoidVar :: Var -- ^ pvoid + , fromVoidVar :: Var -- ^ fromVoid + , punitVar :: Var -- ^ punit + + -- From dph-common:Data.Array.Parallel.Lifted.Selector + , selTys :: Array Int Type -- ^ Sel2 + , selReplicates :: Array Int CoreExpr -- ^ replicate2 + , selPicks :: Array Int CoreExpr -- ^ pick2 + , selTagss :: Array Int CoreExpr -- ^ tagsSel2 + , selEls :: Array (Int, Int) CoreExpr -- ^ elementsSel2_0 .. elementsSel_2_1 + + -- From dph-common:Data.Array.Parallel.Lifted.Scalar + -- NOTE: map is counted as a zipWith fn with one argument array. + , scalarZips :: Array Int Var -- ^ map, zipWith, zipWith3 + + -- A Fresh variable + , liftingContext :: Var -- ^ lc + } + + +-- | Get an element from one of the arrays of contained by a `Builtins`. +-- If the indexed thing is not in the array then panic. +indexBuiltin + :: (Ix i, Outputable i) + => String -- ^ Name of the selector we've used, for panic messages. + -> (Builtins -> Array i a) -- ^ Field selector for the `Builtins`. + -> i -- ^ Index into the array. + -> Builtins + -> a + indexBuiltin fn f i bi | inRange (bounds xs) i = xs ! i | otherwise = pprPanic fn (ppr i) where xs = f bi + +-- Projections ---------------------------------------------------------------- selTy :: Int -> Builtins -> Type -selTy = indexBuiltin "selTy" selTys +selTy = indexBuiltin "selTy" selTys selReplicate :: Int -> Builtins -> CoreExpr -selReplicate = indexBuiltin "selReplicate" selReplicates +selReplicate = indexBuiltin "selReplicate" selReplicates selPick :: Int -> Builtins -> CoreExpr -selPick = indexBuiltin "selPick" selPicks +selPick = indexBuiltin "selPick" selPicks + +selTags :: Int -> Builtins -> CoreExpr +selTags = indexBuiltin "selTags" selTagss selElements :: Int -> Int -> Builtins -> CoreExpr selElements i j = indexBuiltin "selElements" selEls (i,j) sumTyCon :: Int -> Builtins -> TyCon -sumTyCon = indexBuiltin "sumTyCon" sumTyCons +sumTyCon = indexBuiltin "sumTyCon" sumTyCons prodTyCon :: Int -> Builtins -> TyCon -prodTyCon n bi +prodTyCon n _ | n >= 2 && n <= mAX_DPH_PROD = tupleTyCon Boxed n | otherwise = pprPanic "prodTyCon" (ppr n) @@ -163,46 +215,69 @@ prodDataCon n bi = case tyConDataCons (prodTyCon n bi) of _ -> pprPanic "prodDataCon" (ppr n) combinePDVar :: Int -> Builtins -> Var -combinePDVar = indexBuiltin "combinePDVar" combinePDVars +combinePDVar = indexBuiltin "combinePDVar" combinePDVars scalarZip :: Int -> Builtins -> Var -scalarZip = indexBuiltin "scalarZip" scalarZips +scalarZip = indexBuiltin "scalarZip" scalarZips closureCtrFun :: Int -> Builtins -> Var -closureCtrFun = indexBuiltin "closureCtrFun" closureCtrFuns +closureCtrFun = indexBuiltin "closureCtrFun" closureCtrFuns + + +-- Initialisation ------------------------------------------------------------- +-- | Create the initial map of builtin types and functions. +initBuiltins + :: PackageId -- ^ package id the builtins are in, eg dph-common + -> DsM Builtins -initBuiltins :: PackageId -> DsM Builtins initBuiltins pkg = do - parrayTyCon <- externalTyCon dph_PArray (fsLit "PArray") + mapM_ load dph_Orphans + + -- From dph-common:Data.Array.Parallel.Lifted.PArray + parrayTyCon <- externalTyCon dph_PArray (fsLit "PArray") let [parrayDataCon] = tyConDataCons parrayTyCon - pdataTyCon <- externalTyCon dph_PArray (fsLit "PData") - paTyCon <- externalClassTyCon dph_PArray (fsLit "PA") - let [paDataCon] = tyConDataCons paTyCon - preprTyCon <- externalTyCon dph_PArray (fsLit "PRepr") - prTyCon <- externalClassTyCon dph_PArray (fsLit "PR") - let [prDataCon] = tyConDataCons prTyCon - closureTyCon <- externalTyCon dph_Closure (fsLit ":->") - - voidTyCon <- externalTyCon dph_Repr (fsLit "Void") - wrapTyCon <- externalTyCon dph_Repr (fsLit "Wrap") + pdataTyCon <- externalTyCon dph_PArray (fsLit "PData") + paTyCon <- externalClassTyCon dph_PArray (fsLit "PA") + let [paDataCon] = tyConDataCons paTyCon + preprTyCon <- externalTyCon dph_PArray (fsLit "PRepr") + prTyCon <- externalClassTyCon dph_PArray (fsLit "PR") + let [prDataCon] = tyConDataCons prTyCon + + -- wher + closureTyCon <- externalTyCon dph_Closure (fsLit ":->") + + -- From dph-common:Data.Array.Parallel.Lifted.Repr + voidTyCon <- externalTyCon dph_Repr (fsLit "Void") + wrapTyCon <- externalTyCon dph_Repr (fsLit "Wrap") + + -- From dph-common:Data.Array.Parallel.Lifted.Selector sel_tys <- mapM (externalType dph_Selector) (numbered "Sel" 2 mAX_DPH_SUM) + sel_replicates <- mapM (externalFun dph_Selector) (numbered "replicate" 2 mAX_DPH_SUM) + sel_picks <- mapM (externalFun dph_Selector) (numbered "pick" 2 mAX_DPH_SUM) + + sel_tags <- mapM (externalFun dph_Selector) + (numbered "tagsSel" 2 mAX_DPH_SUM) + sel_els <- mapM mk_elements [(i,j) | i <- [2..mAX_DPH_SUM], j <- [0..i-1]] + sum_tcs <- mapM (externalTyCon dph_Repr) (numbered "Sum" 2 mAX_DPH_SUM) let selTys = listArray (2, mAX_DPH_SUM) sel_tys selReplicates = listArray (2, mAX_DPH_SUM) sel_replicates selPicks = listArray (2, mAX_DPH_SUM) sel_picks + selTagss = listArray (2, mAX_DPH_SUM) sel_tags selEls = array ((2,0), (mAX_DPH_SUM, mAX_DPH_SUM)) sel_els sumTyCons = listArray (2, mAX_DPH_SUM) sum_tcs + voidVar <- externalVar dph_Repr (fsLit "void") pvoidVar <- externalVar dph_Repr (fsLit "pvoid") fromVoidVar <- externalVar dph_Repr (fsLit "fromVoid") @@ -213,22 +288,22 @@ initBuiltins pkg liftedApplyVar <- externalVar dph_Closure (fsLit "liftedApply") replicatePDVar <- externalVar dph_PArray (fsLit "replicatePD") emptyPDVar <- externalVar dph_PArray (fsLit "emptyPD") - packPDVar <- externalVar dph_PArray (fsLit "packPD") + packByTagPDVar <- externalVar dph_PArray (fsLit "packByTagPD") - combines <- mapM (externalVar dph_PArray) - [mkFastString ("combine" ++ show i ++ "PD") - | i <- [2..mAX_DPH_COMBINE]] + combines <- mapM (externalVar dph_PArray) + [mkFastString ("combine" ++ show i ++ "PD") + | i <- [2..mAX_DPH_COMBINE]] let combinePDVars = listArray (2, mAX_DPH_COMBINE) combines - scalarClass <- externalClass dph_Scalar (fsLit "Scalar") - scalar_map <- externalVar dph_Scalar (fsLit "scalar_map") - scalar_zip2 <- externalVar dph_Scalar (fsLit "scalar_zipWith") - scalar_zips <- mapM (externalVar dph_Scalar) - (numbered "scalar_zipWith" 3 mAX_DPH_SCALAR_ARGS) - let scalarZips = listArray (1, mAX_DPH_SCALAR_ARGS) + scalarClass <- externalClass dph_PArray (fsLit "Scalar") + scalar_map <- externalVar dph_Scalar (fsLit "scalar_map") + scalar_zip2 <- externalVar dph_Scalar (fsLit "scalar_zipWith") + scalar_zips <- mapM (externalVar dph_Scalar) + (numbered "scalar_zipWith" 3 mAX_DPH_SCALAR_ARGS) + let scalarZips = listArray (1, mAX_DPH_SCALAR_ARGS) (scalar_map : scalar_zip2 : scalar_zips) - closures <- mapM (externalVar dph_Closure) - (numbered "closure" 1 mAX_DPH_SCALAR_ARGS) + closures <- mapM (externalVar dph_Closure) + (numbered "closure" 1 mAX_DPH_SCALAR_ARGS) let closureCtrFuns = listArray (1, mAX_DPH_COMBINE) closures liftingContext <- liftM (\u -> mkSysLocal (fsLit "lc") u intPrimTy) @@ -249,6 +324,7 @@ initBuiltins pkg , selTys = selTys , selReplicates = selReplicates , selPicks = selPicks + , selTagss = selTagss , selEls = selEls , sumTyCons = sumTyCons , closureTyCon = closureTyCon @@ -262,7 +338,7 @@ initBuiltins pkg , liftedApplyVar = liftedApplyVar , replicatePDVar = replicatePDVar , emptyPDVar = emptyPDVar - , packPDVar = packPDVar + , packByTagPDVar = packByTagPDVar , combinePDVars = combinePDVars , scalarClass = scalarClass , scalarZips = scalarZips @@ -279,6 +355,12 @@ initBuiltins pkg }) = dph_Modules pkg + load get_mod = dsLoadModule doc mod + where + mod = get_mod modules + doc = ppr mod <+> ptext (sLit "is a DPH module") + + -- Make a list of numbered strings in some range, eg foo3, foo4, foo5 numbered :: String -> Int -> Int -> [FastString] numbered pfx m n = [mkFastString (pfx ++ show i) | i <- [m..n]] @@ -290,6 +372,7 @@ initBuiltins pkg return ((i,j), Var v) +-- | Get the mapping of names in the Prelude to names in the DPH library. initBuiltinVars :: Builtins -> DsM [(Var, Var)] initBuiltinVars (Builtins { dphModules = mods }) = do @@ -301,8 +384,7 @@ initBuiltinVars (Builtins { dphModules = mods }) ++ zip uvars vvars where (umods, ufs, vmods, vfs) = unzip4 (preludeVars mods) - - (cons, cmods, cfs) = unzip3 (preludeDataCons mods) + (cons, cmods, cfs) = unzip3 (preludeDataCons mods) defaultDataConWorkers :: [DataCon] defaultDataConWorkers = [trueDataCon, falseDataCon, unitDataCon] @@ -313,6 +395,16 @@ preludeDataCons (Modules { dph_Prelude_Tuple = dph_Prelude_Tuple }) where mk_tup n mod name = (tupleCon Boxed n, mod, name) + +-- | Mapping of prelude functions to vectorised versions. +-- Functions like filterP currently have a working but naive version in GHC.PArr +-- During vectorisation we replace these by calls to filterPA, which are +-- defined in dph-common Data.Array.Parallel.Lifted.Combinators +-- +-- As renamer only sees the GHC.PArr functions, if you want to add a new function +-- to the vectoriser there has to be a definition for it in GHC.PArr, even though +-- it will never be used at runtime. +-- preludeVars :: Modules -> [(Module, FastString, Module, FastString)] preludeVars (Modules { dph_Combinators = dph_Combinators , dph_PArray = dph_PArray @@ -322,8 +414,9 @@ preludeVars (Modules { dph_Combinators = dph_Combinators , dph_Prelude_Bool = dph_Prelude_Bool , dph_Prelude_PArr = dph_Prelude_PArr }) - = [ - mk gHC_PARR (fsLit "mapP") dph_Combinators (fsLit "mapPA") + + -- Functions that work on whole PArrays, defined in GHC.PArr + = [ mk gHC_PARR (fsLit "mapP") dph_Combinators (fsLit "mapPA") , mk gHC_PARR (fsLit "zipWithP") dph_Combinators (fsLit "zipWithPA") , mk gHC_PARR (fsLit "zipP") dph_Combinators (fsLit "zipPA") , mk gHC_PARR (fsLit "unzipP") dph_Combinators (fsLit "unzipPA") @@ -331,15 +424,17 @@ preludeVars (Modules { dph_Combinators = dph_Combinators , mk gHC_PARR (fsLit "lengthP") dph_Combinators (fsLit "lengthPA") , mk gHC_PARR (fsLit "replicateP") dph_Combinators (fsLit "replicatePA") , mk gHC_PARR (fsLit "!:") dph_Combinators (fsLit "indexPA") + , mk gHC_PARR (fsLit "sliceP") dph_Combinators (fsLit "slicePA") , mk gHC_PARR (fsLit "crossMapP") dph_Combinators (fsLit "crossMapPA") , mk gHC_PARR (fsLit "singletonP") dph_Combinators (fsLit "singletonPA") , mk gHC_PARR (fsLit "concatP") dph_Combinators (fsLit "concatPA") , mk gHC_PARR (fsLit "+:+") dph_Combinators (fsLit "appPA") - , mk gHC_PARR (fsLit "emptyP") dph_PArray (fsLit "emptyPA") + , mk gHC_PARR (fsLit "emptyP") dph_PArray (fsLit "emptyPA") - , mk' dph_Prelude_Int "div" "divV" - , mk' dph_Prelude_Int "mod" "modV" - , mk' dph_Prelude_Int "sqrt" "sqrtV" + -- Map scalar functions to versions using closures. + , mk' dph_Prelude_Int "div" "divV" + , mk' dph_Prelude_Int "mod" "modV" + , mk' dph_Prelude_Int "sqrt" "sqrtV" , mk' dph_Prelude_Int "enumFromToP" "enumFromToPA" -- , mk' dph_Prelude_Int "upToP" "upToPA" ] @@ -349,85 +444,92 @@ preludeVars (Modules { dph_Combinators = dph_Combinators ++ vars_Ord dph_Prelude_Word8 ++ vars_Num dph_Prelude_Word8 ++ - [ mk' dph_Prelude_Word8 "div" "divV" - , mk' dph_Prelude_Word8 "mod" "modV" + [ mk' dph_Prelude_Word8 "div" "divV" + , mk' dph_Prelude_Word8 "mod" "modV" , mk' dph_Prelude_Word8 "fromInt" "fromIntV" - , mk' dph_Prelude_Word8 "toInt" "toIntV" + , mk' dph_Prelude_Word8 "toInt" "toIntV" ] - ++ vars_Ord dph_Prelude_Double - ++ vars_Num dph_Prelude_Double + ++ vars_Ord dph_Prelude_Double + ++ vars_Num dph_Prelude_Double ++ vars_Fractional dph_Prelude_Double - ++ vars_Floating dph_Prelude_Double - ++ vars_RealFrac dph_Prelude_Double + ++ vars_Floating dph_Prelude_Double + ++ vars_RealFrac dph_Prelude_Double ++ [ mk dph_Prelude_Bool (fsLit "andP") dph_Prelude_Bool (fsLit "andPA") - , mk dph_Prelude_Bool (fsLit "orP") dph_Prelude_Bool (fsLit "orPA") + , mk dph_Prelude_Bool (fsLit "orP") dph_Prelude_Bool (fsLit "orPA") -- FIXME: temporary - , mk dph_Prelude_PArr (fsLit "fromPArrayP") dph_Prelude_PArr (fsLit "fromPArrayPA") - , mk dph_Prelude_PArr (fsLit "toPArrayP") dph_Prelude_PArr (fsLit "toPArrayPA") + , mk dph_Prelude_PArr (fsLit "fromPArrayP") dph_Prelude_PArr (fsLit "fromPArrayPA") + , mk dph_Prelude_PArr (fsLit "toPArrayP") dph_Prelude_PArr (fsLit "toPArrayPA") , mk dph_Prelude_PArr (fsLit "fromNestedPArrayP") dph_Prelude_PArr (fsLit "fromNestedPArrayPA") - , mk dph_Prelude_PArr (fsLit "combineP") dph_Combinators (fsLit "combine2PA") + , mk dph_Prelude_PArr (fsLit "combineP") dph_Combinators (fsLit "combine2PA") ] where mk = (,,,) mk' mod v v' = mk mod (fsLit v) mod (fsLit v') - vars_Ord mod = [mk' mod "==" "eqV" - ,mk' mod "/=" "neqV" - ,mk' mod "<=" "leV" - ,mk' mod "<" "ltV" - ,mk' mod ">=" "geV" - ,mk' mod ">" "gtV" - ,mk' mod "min" "minV" - ,mk' mod "max" "maxV" - ,mk' mod "minimumP" "minimumPA" - ,mk' mod "maximumP" "maximumPA" - ,mk' mod "minIndexP" "minIndexPA" - ,mk' mod "maxIndexP" "maxIndexPA" - ] - - vars_Num mod = [mk' mod "+" "plusV" - ,mk' mod "-" "minusV" - ,mk' mod "*" "multV" - ,mk' mod "negate" "negateV" - ,mk' mod "abs" "absV" - ,mk' mod "sumP" "sumPA" - ,mk' mod "productP" "productPA" - ] - - vars_Fractional mod = [mk' mod "/" "divideV" - ,mk' mod "recip" "recipV" - ] - - vars_Floating mod = [mk' mod "pi" "pi" - ,mk' mod "exp" "expV" - ,mk' mod "sqrt" "sqrtV" - ,mk' mod "log" "logV" - ,mk' mod "sin" "sinV" - ,mk' mod "tan" "tanV" - ,mk' mod "cos" "cosV" - ,mk' mod "asin" "asinV" - ,mk' mod "atan" "atanV" - ,mk' mod "acos" "acosV" - ,mk' mod "sinh" "sinhV" - ,mk' mod "tanh" "tanhV" - ,mk' mod "cosh" "coshV" - ,mk' mod "asinh" "asinhV" - ,mk' mod "atanh" "atanhV" - ,mk' mod "acosh" "acoshV" - ,mk' mod "**" "powV" - ,mk' mod "logBase" "logBaseV" - ] - - vars_RealFrac mod = [mk' mod "fromInt" "fromIntV" - ,mk' mod "truncate" "truncateV" - ,mk' mod "round" "roundV" - ,mk' mod "ceiling" "ceilingV" - ,mk' mod "floor" "floorV" - ] - + vars_Ord mod + = [ mk' mod "==" "eqV" + , mk' mod "/=" "neqV" + , mk' mod "<=" "leV" + , mk' mod "<" "ltV" + , mk' mod ">=" "geV" + , mk' mod ">" "gtV" + , mk' mod "min" "minV" + , mk' mod "max" "maxV" + , mk' mod "minimumP" "minimumPA" + , mk' mod "maximumP" "maximumPA" + , mk' mod "minIndexP" "minIndexPA" + , mk' mod "maxIndexP" "maxIndexPA" + ] + + vars_Num mod + = [ mk' mod "+" "plusV" + , mk' mod "-" "minusV" + , mk' mod "*" "multV" + , mk' mod "negate" "negateV" + , mk' mod "abs" "absV" + , mk' mod "sumP" "sumPA" + , mk' mod "productP" "productPA" + ] + + vars_Fractional mod + = [ mk' mod "/" "divideV" + , mk' mod "recip" "recipV" + ] + + vars_Floating mod + = [ mk' mod "pi" "pi" + , mk' mod "exp" "expV" + , mk' mod "sqrt" "sqrtV" + , mk' mod "log" "logV" + , mk' mod "sin" "sinV" + , mk' mod "tan" "tanV" + , mk' mod "cos" "cosV" + , mk' mod "asin" "asinV" + , mk' mod "atan" "atanV" + , mk' mod "acos" "acosV" + , mk' mod "sinh" "sinhV" + , mk' mod "tanh" "tanhV" + , mk' mod "cosh" "coshV" + , mk' mod "asinh" "asinhV" + , mk' mod "atanh" "atanhV" + , mk' mod "acosh" "acoshV" + , mk' mod "**" "powV" + , mk' mod "logBase" "logBaseV" + ] + + vars_RealFrac mod + = [ mk' mod "fromInt" "fromIntV" + , mk' mod "truncate" "truncateV" + , mk' mod "round" "roundV" + , mk' mod "ceiling" "ceilingV" + , mk' mod "floor" "floorV" + ] + + +-- | Get a list of names to `TyCon`s in the mock prelude. initBuiltinTyCons :: Builtins -> DsM [(Name, TyCon)] initBuiltinTyCons bi = do @@ -447,81 +549,45 @@ defaultTyCons word8 <- dsLookupTyCon word8TyConName return [intTyCon, boolTyCon, doubleTyCon, word8] + +-- | Get a list of names to `DataCon`s in the mock prelude. initBuiltinDataCons :: Builtins -> [(Name, DataCon)] initBuiltinDataCons _ = [(dataConName dc, dc)| dc <- defaultDataCons] defaultDataCons :: [DataCon] defaultDataCons = [trueDataCon, falseDataCon, unitDataCon] -initBuiltinDicts :: [(Name, Module, FastString)] -> DsM [(Name, Var)] -initBuiltinDicts ps - = do - dicts <- zipWithM externalVar mods fss - return $ zip tcs dicts - where - (tcs, mods, fss) = unzip3 ps - -initBuiltinPAs :: Builtins -> DsM [(Name, Var)] -initBuiltinPAs = initBuiltinDicts . builtinPAs - -builtinPAs :: Builtins -> [(Name, Module, FastString)] -builtinPAs bi@(Builtins { dphModules = mods }) - = [ - mk (tyConName $ closureTyCon bi) (dph_Closure mods) (fsLit "$fPA:->") - , mk (tyConName $ voidTyCon bi) (dph_Repr mods) (fsLit "$fPAVoid") - , mk (tyConName $ parrayTyCon bi) (dph_Instances mods) (fsLit "$fPAPArray") - , mk unitTyConName (dph_Instances mods) (fsLit "$fPA()") - - , mk intTyConName (dph_Instances mods) (fsLit "$fPAInt") - , mk word8TyConName (dph_Instances mods) (fsLit "$fPAWord8") - , mk doubleTyConName (dph_Instances mods) (fsLit "$fPADouble") - , mk boolTyConName (dph_Instances mods) (fsLit "$fPABool") - ] - ++ tups - where - mk name mod fs = (name, mod, fs) - - tups = map mk_tup [2..mAX_DPH_PROD] - mk_tup n = mk (tyConName $ tupleTyCon Boxed n) - (dph_Instances mods) - (mkFastString $ "$fPA(" ++ replicate (n-1) ',' ++ ")") - -initBuiltinPRs :: Builtins -> DsM [(Name, Var)] -initBuiltinPRs = initBuiltinDicts . builtinPRs - -builtinPRs :: Builtins -> [(Name, Module, FastString)] -builtinPRs bi@(Builtins { dphModules = mods }) = - [ - mk (tyConName unitTyCon) (dph_Repr mods) (fsLit "$fPR()") - , mk (tyConName $ voidTyCon bi) (dph_Repr mods) (fsLit "$fPRVoid") - , mk (tyConName $ wrapTyCon bi) (dph_Repr mods) (fsLit "$fPRWrap") - , mk (tyConName $ closureTyCon bi) (dph_Closure mods) (fsLit "$fPR:->") - - -- temporary - , mk intTyConName (dph_Instances mods) (fsLit "$fPRInt") - , mk word8TyConName (dph_Instances mods) (fsLit "$fPRWord8") - , mk doubleTyConName (dph_Instances mods) (fsLit "$fPRDouble") - ] - - ++ map mk_sum [2..mAX_DPH_SUM] - ++ map mk_prod [2..mAX_DPH_PROD] - where - mk name mod fs = (name, mod, fs) - mk_sum n = (tyConName $ sumTyCon n bi, dph_Repr mods, - mkFastString ("$fPRSum" ++ show n)) +-- | Get the names of all buildin instance functions for the PA class. +initBuiltinPAs :: Builtins -> (InstEnv, InstEnv) -> DsM [(Name, Var)] +initBuiltinPAs (Builtins { dphModules = mods }) insts + = liftM (initBuiltinDicts insts) (externalClass (dph_PArray mods) (fsLit "PA")) + - mk_prod n = (tyConName $ prodTyCon n bi, dph_Repr mods, - mkFastString ("$fPR(" ++ replicate (n-1) ',' ++ ")")) +-- | Get the names of all builtin instance functions for the PR class. +initBuiltinPRs :: Builtins -> (InstEnv, InstEnv) -> DsM [(Name, Var)] +initBuiltinPRs (Builtins { dphModules = mods }) insts + = liftM (initBuiltinDicts insts) (externalClass (dph_PArray mods) (fsLit "PR")) + + +-- | Get the names of all DPH instance functions for this class. +initBuiltinDicts :: (InstEnv, InstEnv) -> Class -> [(Name, Var)] +initBuiltinDicts insts cls = map find $ classInstances insts cls + where + find i | [Just tc] <- instanceRoughTcs i = (tc, instanceDFunId i) + | otherwise = pprPanic "Invalid DPH instance" (ppr i) + +-- | Get a list of boxed `TyCons` in the mock prelude. This is Int only. initBuiltinBoxedTyCons :: Builtins -> DsM [(Name, TyCon)] initBuiltinBoxedTyCons = return . builtinBoxedTyCons builtinBoxedTyCons :: Builtins -> [(Name, TyCon)] -builtinBoxedTyCons _ = - [(tyConName intPrimTyCon, intTyCon)] +builtinBoxedTyCons _ + = [(tyConName intPrimTyCon, intTyCon)] +-- | Get a list of all scalar functions in the mock prelude. initBuiltinScalars :: Builtins -> DsM [Var] initBuiltinScalars bi = mapM (uncurry externalVar) (preludeScalars $ dphModules bi) @@ -532,8 +598,7 @@ preludeScalars (Modules { dph_Prelude_Int = dph_Prelude_Int , dph_Prelude_Word8 = dph_Prelude_Word8 , dph_Prelude_Double = dph_Prelude_Double }) - = [ - mk dph_Prelude_Int "div" + = [ mk dph_Prelude_Int "div" , mk dph_Prelude_Int "mod" , mk dph_Prelude_Int "sqrt" ] @@ -557,88 +622,98 @@ preludeScalars (Modules { dph_Prelude_Int = dph_Prelude_Int where mk mod s = (mod, fsLit s) - scalars_Ord mod = [mk mod "==" - ,mk mod "/=" - ,mk mod "<=" - ,mk mod "<" - ,mk mod ">=" - ,mk mod ">" - ,mk mod "min" - ,mk mod "max" - ] - - scalars_Num mod = [mk mod "+" - ,mk mod "-" - ,mk mod "*" - ,mk mod "negate" - ,mk mod "abs" - ] - - scalars_Fractional mod = [mk mod "/" - ,mk mod "recip" - ] - - scalars_Floating mod = [mk mod "pi" - ,mk mod "exp" - ,mk mod "sqrt" - ,mk mod "log" - ,mk mod "sin" - ,mk mod "tan" - ,mk mod "cos" - ,mk mod "asin" - ,mk mod "atan" - ,mk mod "acos" - ,mk mod "sinh" - ,mk mod "tanh" - ,mk mod "cosh" - ,mk mod "asinh" - ,mk mod "atanh" - ,mk mod "acosh" - ,mk mod "**" - ,mk mod "logBase" - ] - - scalars_RealFrac mod = [mk mod "fromInt" - ,mk mod "truncate" - ,mk mod "round" - ,mk mod "ceiling" - ,mk mod "floor" - ] - - + scalars_Ord mod + = [ mk mod "==" + , mk mod "/=" + , mk mod "<=" + , mk mod "<" + , mk mod ">=" + , mk mod ">" + , mk mod "min" + , mk mod "max" + ] + + scalars_Num mod + = [ mk mod "+" + , mk mod "-" + , mk mod "*" + , mk mod "negate" + , mk mod "abs" + ] + + scalars_Fractional mod + = [ mk mod "/" + , mk mod "recip" + ] + + scalars_Floating mod + = [ mk mod "pi" + , mk mod "exp" + , mk mod "sqrt" + , mk mod "log" + , mk mod "sin" + , mk mod "tan" + , mk mod "cos" + , mk mod "asin" + , mk mod "atan" + , mk mod "acos" + , mk mod "sinh" + , mk mod "tanh" + , mk mod "cosh" + , mk mod "asinh" + , mk mod "atanh" + , mk mod "acosh" + , mk mod "**" + , mk mod "logBase" + ] + + scalars_RealFrac mod + = [ mk mod "fromInt" + , mk mod "truncate" + , mk mod "round" + , mk mod "ceiling" + , mk mod "floor" + ] + + +-- | Lookup some variable given its name and the module that contains it. externalVar :: Module -> FastString -> DsM Var externalVar mod fs = dsLookupGlobalId =<< lookupOrig mod (mkVarOccFS fs) + +-- | Like `externalVar` but wrap the `Var` in a `CoreExpr` externalFun :: Module -> FastString -> DsM CoreExpr externalFun mod fs - = do - var <- externalVar mod fs + = do var <- externalVar mod fs return $ Var var + +-- | Lookup some `TyCon` given its name and the module that contains it. externalTyCon :: Module -> FastString -> DsM TyCon externalTyCon mod fs = dsLookupTyCon =<< lookupOrig mod (mkTcOccFS fs) -externalClassTyCon :: Module -> FastString -> DsM TyCon -externalClassTyCon mod fs - = liftM classTyCon - $ dsLookupClass =<< lookupOrig mod (mkClsOccFS fs) +-- | Lookup some `Type` given its name and the module that contains it. externalType :: Module -> FastString -> DsM Type externalType mod fs - = do - tycon <- externalTyCon mod fs - return $ mkTyConApp tycon [] + = do tycon <- externalTyCon mod fs + return $ mkTyConApp tycon [] + +-- | Lookup some `Class` given its name and the module that contains it. externalClass :: Module -> FastString -> DsM Class externalClass mod fs - = dsLookupClass =<< lookupOrig mod (mkTcOccFS fs) + = dsLookupClass =<< lookupOrig mod (mkClsOccFS fs) -unitTyConName :: Name -unitTyConName = tyConName unitTyCon + +-- | Like `externalClass`, but get the TyCon of of the class. +externalClassTyCon :: Module -> FastString -> DsM TyCon +externalClassTyCon mod fs = liftM classTyCon (externalClass mod fs) +-- | Lookup a method function given its name and instance type. primMethod :: TyCon -> String -> Builtins -> DsM (Maybe Var) primMethod tycon method (Builtins { dphModules = mods }) | Just suffix <- lookupNameEnv prim_ty_cons (tyConName tycon) @@ -648,6 +723,7 @@ primMethod tycon method (Builtins { dphModules = mods }) | otherwise = return Nothing +-- | Lookup the representation type we use for PArrays that contain a given element type. primPArray :: TyCon -> Builtins -> DsM (Maybe TyCon) primPArray tycon (Builtins { dphModules = mods }) | Just suffix <- lookupNameEnv prim_ty_cons (tyConName tycon)