Add (a) CoreM monad, (b) new Annotations feature

[ghc-hetmet.git] / compiler / stranal / WorkWrap.lhs

diff --git a/compiler/stranal/WorkWrap.lhs b/compiler/stranal/WorkWrap.lhs
index 3af7e2d..438afd6 100644 (file)
--- a/compiler/stranal/WorkWrap.lhs
+++ b/compiler/stranal/WorkWrap.lhs
@@ -36,10 +36,10 @@ import Unique               ( hasKey )
 import BasicTypes      ( RecFlag(..), isNonRec, isNeverActive )
 import VarEnv          ( isEmptyVarEnv )
 import Maybes          ( orElse )
-import DynFlags
 import WwLib
 import Util            ( lengthIs, notNull )
 import Outputable
+import MonadUtils
 \end{code}
 
 We take Core bindings whose binders have:
@@ -69,30 +69,9 @@ info for exported values).
 \end{enumerate}
 
 \begin{code}
+wwTopBinds :: UniqSupply -> [CoreBind] -> [CoreBind]
 
-wwTopBinds :: DynFlags 
-          -> UniqSupply
-          -> [CoreBind]
-          -> IO [CoreBind]
-
-wwTopBinds dflags us binds
-  = do {
-       showPass dflags "Worker Wrapper binds";
-
-       -- Create worker/wrappers, and mark binders with their
-       -- "strictness info" [which encodes their worker/wrapper-ness]
-       let { binds' = workersAndWrappers us binds };
-
-       endPass dflags "Worker Wrapper binds" 
-               Opt_D_dump_worker_wrapper binds'
-    }
-\end{code}
-
-
-\begin{code}
-workersAndWrappers :: UniqSupply -> [CoreBind] -> [CoreBind]
-
-workersAndWrappers us top_binds
+wwTopBinds us top_binds
   = initUs_ us $ do
     top_binds' <- mapM wwBind top_binds
     return (concat top_binds')
@@ -266,11 +245,12 @@ tryWW is_rec fn_id rhs
 
 ---------------------
 splitFun fn_id fn_info wrap_dmds res_info inline_prag rhs
-  = WARN( not (wrap_dmds `lengthIs` arity), ppr fn_id <+> (ppr arity $$ ppr wrap_dmds $$ ppr res_info) ) do
+  = WARN( not (wrap_dmds `lengthIs` arity), ppr fn_id <+> (ppr arity $$ ppr wrap_dmds $$ ppr res_info) ) 
+    (do {
        -- The arity should match the signature
-    (work_demands, wrap_fn, work_fn) <- mkWwBodies fun_ty wrap_dmds res_info one_shots
-    work_uniq <- getUniqueM
-    let
+      (work_demands, wrap_fn, work_fn) <- mkWwBodies fun_ty wrap_dmds res_info one_shots
+    ; work_uniq <- getUniqueM
+    ; let
        work_rhs = work_fn rhs
        work_id  = mkWorkerId work_uniq fn_id (exprType work_rhs) 
                        `setInlinePragma` inline_prag
@@ -290,7 +270,7 @@ splitFun fn_id fn_info wrap_dmds res_info inline_prag rhs
        wrap_rhs = wrap_fn work_id
        wrap_id  = fn_id `setIdWorkerInfo` HasWorker work_id arity
 
-    return ([(work_id, work_rhs), (wrap_id, wrap_rhs)])
+    ; return ([(work_id, work_rhs), (wrap_id, wrap_rhs)]) })
        -- Worker first, because wrapper mentions it
        -- mkWwBodies has already built a wrap_rhs with an INLINE pragma wrapped around it
   where
@@ -309,7 +289,7 @@ splitFun fn_id fn_info wrap_dmds res_info inline_prag rhs
 -- Otherwise we spuriously float stuff out of case-expression join points,
 -- which is very annoying.
 get_one_shots (Lam b e)
-  | isId b    = isOneShotLambda b : get_one_shots e
+  | isIdVar b = isOneShotLambda b : get_one_shots e
   | otherwise = get_one_shots e
 get_one_shots (Note _ e) = get_one_shots e
 get_one_shots other     = noOneShotInfo