X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Fcmm%2FZipCfgExtras.hs;h=bd26aca9760991d31a61931c77af529ba9fae84e;hb=d7b36bbbcd56ee14656223d02e32f5a1f52ea17b;hp=e4bd1ae668c742139da701dda89156b872c1fab3;hpb=72fd3e30c209f18af65b9a9a3995f23c16bbe519;p=ghc-hetmet.git

diff --git a/compiler/cmm/ZipCfgExtras.hs b/compiler/cmm/ZipCfgExtras.hs
index e4bd1ae..bd26aca 100644
--- a/compiler/cmm/ZipCfgExtras.hs
+++ b/compiler/cmm/ZipCfgExtras.hs
@@ -12,12 +12,11 @@
 module ZipCfgExtras
   ()
 where
+import BlockId
 import Maybes
 import Panic
 import ZipCfg
 
-import UniqFM
-
 import Prelude hiding (zip, unzip, last)
 
 
@@ -31,13 +30,15 @@ unfocus :: FGraph m l -> LGraph m l            -- lose focus
 -- the current focus.
 -- The new focus can be at either the entry edge or the exit edge.
 
+{-
 splice_focus_entry :: FGraph m l -> LGraph m l -> FGraph m l
 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)
+    where all = ( exit, focusp, unfocus {- , splice_focus_entry, splice_focus_exit -}
+                , foldM_fwd_block (\_ a -> Just a)
                 )
 
 unfocus (FGraph e bz bs) = LGraph e (insertBlock (zip bz) bs)
@@ -49,6 +50,8 @@ exit g@(LGraph eid _) = FGraph eid (ZBlock h (ZLast l)) others
     where FGraph _ b others = focusp is_exit g `orElse` panic "no exit in flow graph"
           (h, l) = goto_end b
 
+
+{-
 splice_focus_entry (FGraph eid (ZBlock head tail) blocks) g =
   let (tail', g') = splice_tail g tail in
   FGraph eid (ZBlock head tail') (plusUFM (lg_blocks g') blocks)
@@ -56,14 +59,7 @@ splice_focus_entry (FGraph eid (ZBlock head tail) blocks) g =
 splice_focus_exit (FGraph eid (ZBlock head tail) blocks) g =
   let (g', head') = splice_head head g in
   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 ::