X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Fcmm%2FZipCfgExtras.hs;h=bd26aca9760991d31a61931c77af529ba9fae84e;hb=e9fdcd7b7d8ae466d83ce9f77f34e9b62b2a4fa7;hp=787a58abfe2977ce4ab417d4e856c5b7647396ad;hpb=b9bcf6e71abe0d861c99618ee5a7ae9e2c45d26c;p=ghc-hetmet.git

diff --git a/compiler/cmm/ZipCfgExtras.hs b/compiler/cmm/ZipCfgExtras.hs
index 787a58a..bd26aca 100644
--- a/compiler/cmm/ZipCfgExtras.hs
+++ b/compiler/cmm/ZipCfgExtras.hs
@@ -12,6 +12,7 @@
 module ZipCfgExtras
   ()
 where
+import BlockId
 import Maybes
 import Panic
 import ZipCfg
@@ -37,7 +38,7 @@ splice_focus_exit  :: FGraph m l -> LGraph m l -> FGraph m l
 _unused :: ()
 _unused = all `seq` ()
     where all = ( exit, focusp, unfocus {- , splice_focus_entry, splice_focus_exit -}
-                , fold_fwd_block, foldM_fwd_block (\_ a -> Just a)
+                , foldM_fwd_block (\_ a -> Just a)
                 )
 
 unfocus (FGraph e bz bs) = LGraph e (insertBlock (zip bz) bs)
@@ -60,14 +61,6 @@ splice_focus_exit (FGraph eid (ZBlock head tail) blocks) g =
   FGraph eid (ZBlock head' tail) (plusUFM (lg_blocks g') blocks)
 -}
 
--- | Fold from first to last
-fold_fwd_block ::
-  (BlockId -> a -> a) -> (m -> a -> a) -> (ZLast l -> a -> a) ->
-  Block m l -> a -> a
-fold_fwd_block first middle last (Block id t) z = tail t (first id z)
-    where tail (ZTail m t) z = tail t (middle m z)
-          tail (ZLast l)   z = last l z
-
 -- | iterate from first to last
 foldM_fwd_block ::
   Monad m => (BlockId -> a -> m a) -> (mid -> a -> m a) -> (ZLast l -> a -> m a) ->