import Panic
import ZipCfg
-import UniqFM
-
import Prelude hiding (zip, unzip, last)
-- 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
+ where all = ( exit, focusp, unfocus {- , splice_focus_entry, splice_focus_exit -}
, fold_fwd_block, foldM_fwd_block (\_ a -> Just a)
)
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)
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 ::