Lightweight ticky-ticky profiling

[ghc-hetmet.git] / compiler / codeGen / SMRep.lhs

diff --git a/compiler/codeGen/SMRep.lhs b/compiler/codeGen/SMRep.lhs
index 96b5313..88a1cca 100644 (file)
--- a/compiler/codeGen/SMRep.lhs
+++ b/compiler/codeGen/SMRep.lhs
@@ -303,10 +303,11 @@ isStaticRep BlackHoleRep           = False
 #include "../includes/ClosureTypes.h"
 -- Defines CONSTR, CONSTR_1_0 etc
 
-
-smRepClosureType :: SMRep -> ClosureType
-smRepClosureType (GenericRep _ _ _ ty) = ty
-smRepClosureType BlackHoleRep         = panic "smRepClosureType: black hole"
+-- krc: only called by tickyDynAlloc in CgTicky; return
+-- Nothing for a black hole so we can at least make something work.
+smRepClosureType :: SMRep -> Maybe ClosureType
+smRepClosureType (GenericRep _ _ _ ty) = Just ty
+smRepClosureType BlackHoleRep         = Nothing
 
 smRepClosureTypeInt :: SMRep -> Int
 smRepClosureTypeInt (GenericRep False 1 0 Constr) = CONSTR_1_0