3 module Vectorise.Builtins.Initialise (
5 initBuiltins, initBuiltinVars, initBuiltinTyCons, initBuiltinDataCons,
6 initBuiltinPAs, initBuiltinPRs,
7 initBuiltinBoxedTyCons, initBuiltinScalars,
9 import Vectorise.Builtins.Base
10 import Vectorise.Builtins.Modules
11 import Vectorise.Builtins.Prelude
36 -- | Create the initial map of builtin types and functions.
38 :: PackageId -- ^ package id the builtins are in, eg dph-common
42 = do mapM_ load dph_Orphans
44 -- From dph-common:Data.Array.Parallel.Lifted.PArray
45 parrayTyCon <- externalTyCon dph_PArray (fsLit "PArray")
46 let [parrayDataCon] = tyConDataCons parrayTyCon
48 pdataTyCon <- externalTyCon dph_PArray (fsLit "PData")
49 paTyCon <- externalClassTyCon dph_PArray (fsLit "PA")
50 let [paDataCon] = tyConDataCons paTyCon
52 preprTyCon <- externalTyCon dph_PArray (fsLit "PRepr")
53 prTyCon <- externalClassTyCon dph_PArray (fsLit "PR")
54 let [prDataCon] = tyConDataCons prTyCon
56 closureTyCon <- externalTyCon dph_Closure (fsLit ":->")
58 -- From dph-common:Data.Array.Parallel.Lifted.Repr
59 voidTyCon <- externalTyCon dph_Repr (fsLit "Void")
60 wrapTyCon <- externalTyCon dph_Repr (fsLit "Wrap")
62 -- From dph-common:Data.Array.Parallel.Lifted.Unboxed
63 sel_tys <- mapM (externalType dph_Unboxed)
64 (numbered "Sel" 2 mAX_DPH_SUM)
66 sel_replicates <- mapM (externalFun dph_Unboxed)
67 (numbered_hash "replicateSel" 2 mAX_DPH_SUM)
69 sel_picks <- mapM (externalFun dph_Unboxed)
70 (numbered_hash "pickSel" 2 mAX_DPH_SUM)
72 sel_tags <- mapM (externalFun dph_Unboxed)
73 (numbered "tagsSel" 2 mAX_DPH_SUM)
75 sel_els <- mapM mk_elements
76 [(i,j) | i <- [2..mAX_DPH_SUM], j <- [0..i-1]]
78 sum_tcs <- mapM (externalTyCon dph_Repr)
79 (numbered "Sum" 2 mAX_DPH_SUM)
81 let selTys = listArray (2, mAX_DPH_SUM) sel_tys
82 selReplicates = listArray (2, mAX_DPH_SUM) sel_replicates
83 selPicks = listArray (2, mAX_DPH_SUM) sel_picks
84 selTagss = listArray (2, mAX_DPH_SUM) sel_tags
85 selEls = array ((2,0), (mAX_DPH_SUM, mAX_DPH_SUM)) sel_els
86 sumTyCons = listArray (2, mAX_DPH_SUM) sum_tcs
89 voidVar <- externalVar dph_Repr (fsLit "void")
90 pvoidVar <- externalVar dph_Repr (fsLit "pvoid")
91 fromVoidVar <- externalVar dph_Repr (fsLit "fromVoid")
92 punitVar <- externalVar dph_Repr (fsLit "punit")
93 closureVar <- externalVar dph_Closure (fsLit "closure")
94 applyVar <- externalVar dph_Closure (fsLit "$:")
95 liftedClosureVar <- externalVar dph_Closure (fsLit "liftedClosure")
96 liftedApplyVar <- externalVar dph_Closure (fsLit "liftedApply")
97 replicatePDVar <- externalVar dph_PArray (fsLit "replicatePD")
98 emptyPDVar <- externalVar dph_PArray (fsLit "emptyPD")
99 packByTagPDVar <- externalVar dph_PArray (fsLit "packByTagPD")
101 combines <- mapM (externalVar dph_PArray)
102 [mkFastString ("combine" ++ show i ++ "PD")
103 | i <- [2..mAX_DPH_COMBINE]]
104 let combinePDVars = listArray (2, mAX_DPH_COMBINE) combines
106 scalarClass <- externalClass dph_PArray (fsLit "Scalar")
107 scalar_map <- externalVar dph_Scalar (fsLit "scalar_map")
108 scalar_zip2 <- externalVar dph_Scalar (fsLit "scalar_zipWith")
109 scalar_zips <- mapM (externalVar dph_Scalar)
110 (numbered "scalar_zipWith" 3 mAX_DPH_SCALAR_ARGS)
112 let scalarZips = listArray (1, mAX_DPH_SCALAR_ARGS)
113 (scalar_map : scalar_zip2 : scalar_zips)
115 closures <- mapM (externalVar dph_Closure)
116 (numbered "closure" 1 mAX_DPH_SCALAR_ARGS)
118 let closureCtrFuns = listArray (1, mAX_DPH_COMBINE) closures
120 liftingContext <- liftM (\u -> mkSysLocal (fsLit "lc") u intPrimTy)
125 , parrayTyCon = parrayTyCon
126 , parrayDataCon = parrayDataCon
127 , pdataTyCon = pdataTyCon
129 , paDataCon = paDataCon
130 , preprTyCon = preprTyCon
132 , prDataCon = prDataCon
133 , voidTyCon = voidTyCon
134 , wrapTyCon = wrapTyCon
136 , selReplicates = selReplicates
137 , selPicks = selPicks
138 , selTagss = selTagss
140 , sumTyCons = sumTyCons
141 , closureTyCon = closureTyCon
143 , pvoidVar = pvoidVar
144 , fromVoidVar = fromVoidVar
145 , punitVar = punitVar
146 , closureVar = closureVar
147 , applyVar = applyVar
148 , liftedClosureVar = liftedClosureVar
149 , liftedApplyVar = liftedApplyVar
150 , replicatePDVar = replicatePDVar
151 , emptyPDVar = emptyPDVar
152 , packByTagPDVar = packByTagPDVar
153 , combinePDVars = combinePDVars
154 , scalarClass = scalarClass
155 , scalarZips = scalarZips
156 , closureCtrFuns = closureCtrFuns
157 , liftingContext = liftingContext
161 dph_PArray = dph_PArray
162 , dph_Repr = dph_Repr
163 , dph_Closure = dph_Closure
164 , dph_Scalar = dph_Scalar
165 , dph_Unboxed = dph_Unboxed
169 load get_mod = dsLoadModule doc mod
172 doc = ppr mod <+> ptext (sLit "is a DPH module")
174 -- Make a list of numbered strings in some range, eg foo3, foo4, foo5
175 numbered :: String -> Int -> Int -> [FastString]
176 numbered pfx m n = [mkFastString (pfx ++ show i) | i <- [m..n]]
178 numbered_hash :: String -> Int -> Int -> [FastString]
179 numbered_hash pfx m n = [mkFastString (pfx ++ show i ++ "#") | i <- [m..n]]
181 mk_elements :: (Int, Int) -> DsM ((Int, Int), CoreExpr)
184 v <- externalVar dph_Unboxed
185 $ mkFastString ("elementsSel" ++ show i ++ "_" ++ show j ++ "#")
186 return ((i,j), Var v)
189 -- | Get the mapping of names in the Prelude to names in the DPH library.
190 initBuiltinVars :: Builtins -> DsM [(Var, Var)]
191 initBuiltinVars (Builtins { dphModules = mods })
193 uvars <- zipWithM externalVar umods ufs
194 vvars <- zipWithM externalVar vmods vfs
195 cvars <- zipWithM externalVar cmods cfs
196 return $ [(v,v) | v <- map dataConWorkId defaultDataConWorkers]
197 ++ zip (map dataConWorkId cons) cvars
200 (umods, ufs, vmods, vfs) = unzip4 (preludeVars mods)
201 (cons, cmods, cfs) = unzip3 (preludeDataCons mods)
203 defaultDataConWorkers :: [DataCon]
204 defaultDataConWorkers = [trueDataCon, falseDataCon, unitDataCon]
207 preludeDataCons :: Modules -> [(DataCon, Module, FastString)]
208 preludeDataCons (Modules { dph_Prelude_Tuple = dph_Prelude_Tuple })
209 = [mk_tup n dph_Prelude_Tuple (mkFastString $ "tup" ++ show n) | n <- [2..3]]
211 mk_tup n mod name = (tupleCon Boxed n, mod, name)
214 -- | Get a list of names to `TyCon`s in the mock prelude.
215 initBuiltinTyCons :: Builtins -> DsM [(Name, TyCon)]
218 -- parr <- externalTyCon dph_Prelude_PArr (fsLit "PArr")
219 dft_tcs <- defaultTyCons
220 return $ (tyConName funTyCon, closureTyCon bi)
221 : (parrTyConName, parrayTyCon bi)
224 : (tyConName $ parrayTyCon bi, parrayTyCon bi)
226 : [(tyConName tc, tc) | tc <- dft_tcs]
228 where defaultTyCons :: DsM [TyCon]
230 = do word8 <- dsLookupTyCon word8TyConName
231 return [intTyCon, boolTyCon, doubleTyCon, word8]
234 -- | Get a list of names to `DataCon`s in the mock prelude.
235 initBuiltinDataCons :: Builtins -> [(Name, DataCon)]
236 initBuiltinDataCons _
237 = [(dataConName dc, dc)| dc <- defaultDataCons]
238 where defaultDataCons :: [DataCon]
239 defaultDataCons = [trueDataCon, falseDataCon, unitDataCon]
242 -- | Get the names of all buildin instance functions for the PA class.
243 initBuiltinPAs :: Builtins -> (InstEnv, InstEnv) -> DsM [(Name, Var)]
244 initBuiltinPAs (Builtins { dphModules = mods }) insts
245 = liftM (initBuiltinDicts insts) (externalClass (dph_PArray mods) (fsLit "PA"))
248 -- | Get the names of all builtin instance functions for the PR class.
249 initBuiltinPRs :: Builtins -> (InstEnv, InstEnv) -> DsM [(Name, Var)]
250 initBuiltinPRs (Builtins { dphModules = mods }) insts
251 = liftM (initBuiltinDicts insts) (externalClass (dph_PArray mods) (fsLit "PR"))
254 -- | Get the names of all DPH instance functions for this class.
255 initBuiltinDicts :: (InstEnv, InstEnv) -> Class -> [(Name, Var)]
256 initBuiltinDicts insts cls = map find $ classInstances insts cls
258 find i | [Just tc] <- instanceRoughTcs i = (tc, instanceDFunId i)
259 | otherwise = pprPanic "Invalid DPH instance" (ppr i)
262 -- | Get a list of boxed `TyCons` in the mock prelude. This is Int only.
263 initBuiltinBoxedTyCons :: Builtins -> DsM [(Name, TyCon)]
264 initBuiltinBoxedTyCons
265 = return . builtinBoxedTyCons
266 where builtinBoxedTyCons :: Builtins -> [(Name, TyCon)]
268 = [(tyConName intPrimTyCon, intTyCon)]
271 -- | Get a list of all scalar functions in the mock prelude.
272 initBuiltinScalars :: Builtins -> DsM [Var]
273 initBuiltinScalars bi
274 = mapM (uncurry externalVar) (preludeScalars $ dphModules bi)
277 -- | Lookup some variable given its name and the module that contains it.
278 externalVar :: Module -> FastString -> DsM Var
280 = dsLookupGlobalId =<< lookupOrig mod (mkVarOccFS fs)
283 -- | Like `externalVar` but wrap the `Var` in a `CoreExpr`
284 externalFun :: Module -> FastString -> DsM CoreExpr
286 = do var <- externalVar mod fs
290 -- | Lookup some `TyCon` given its name and the module that contains it.
291 externalTyCon :: Module -> FastString -> DsM TyCon
293 = dsLookupTyCon =<< lookupOrig mod (mkTcOccFS fs)
296 -- | Lookup some `Type` given its name and the module that contains it.
297 externalType :: Module -> FastString -> DsM Type
299 = do tycon <- externalTyCon mod fs
300 return $ mkTyConApp tycon []
303 -- | Lookup some `Class` given its name and the module that contains it.
304 externalClass :: Module -> FastString -> DsM Class
306 = dsLookupClass =<< lookupOrig mod (mkClsOccFS fs)
309 -- | Like `externalClass`, but get the TyCon of of the class.
310 externalClassTyCon :: Module -> FastString -> DsM TyCon
311 externalClassTyCon mod fs = liftM classTyCon (externalClass mod fs)