Symbolic tags for simplifier phases

[ghc-hetmet.git] / compiler / simplCore / SimplCore.lhs

diff --git a/compiler/simplCore/SimplCore.lhs b/compiler/simplCore/SimplCore.lhs
index fc5b903..0a6c404 100644 (file)
--- a/compiler/simplCore/SimplCore.lhs
+++ b/compiler/simplCore/SimplCore.lhs
@@ -61,7 +61,7 @@ import Vectorise        ( vectorise )
 import UniqSupply      ( UniqSupply, mkSplitUniqSupply, splitUniqSupply )
 import IO              ( hPutStr, stderr )
 import Outputable
-import List            ( partition )
+import List            ( partition, intersperse )
 import Maybes
 \end{code}
 
@@ -463,8 +463,11 @@ simplifyPgm mode switches hsc_env us imp_rule_base guts
   where
     dflags        = hsc_dflags hsc_env
     phase_info    = case mode of
-                         SimplGently  -> "gentle"
-                         SimplPhase n -> show n
+                         SimplGently     -> "gentle"
+                         SimplPhase n ss -> shows n
+                                           . showString " ["
+                                           . showString (concat $ intersperse "," ss)
+                                           $ "]"
 
     dump_phase     = shouldDumpSimplPhase dflags mode