Remove code that is dead now that we need >= 6.12 to build

[ghc-hetmet.git] / compiler / cmm / CmmContFlowOpt.hs

diff --git a/compiler/cmm/CmmContFlowOpt.hs b/compiler/cmm/CmmContFlowOpt.hs
index 8ea8a3c..64a2315 100644 (file)
--- a/compiler/cmm/CmmContFlowOpt.hs
+++ b/compiler/cmm/CmmContFlowOpt.hs
@@ -14,7 +14,7 @@ import ZipCfg
 import ZipCfgCmmRep
 
 import Maybes
-import Monad
+import Control.Monad
 import Outputable
 import Prelude hiding (unzip, zip)
 import Util
@@ -36,6 +36,7 @@ cmmCfgOptsZ g =
         -- with a more exciting combination of optimisations
 
 runCmmOpts :: Tx g -> Tx (GenCmm d h g)
+-- Lifts a transformer on a single graph to one on the whole program
 runCmmOpts opt = mapProcs (optProc opt)
 
 optProc :: Tx g -> Tx (GenCmmTop d h g)