Use DynFlags to work out if we are doing ticky ticky profiling

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

diff --git a/compiler/codeGen/ClosureInfo.lhs b/compiler/codeGen/ClosureInfo.lhs
index 0620099..d819873 100644 (file)
--- a/compiler/codeGen/ClosureInfo.lhs
+++ b/compiler/codeGen/ClosureInfo.lhs
@@ -88,6 +88,7 @@ import BasicTypes
 import FastString
 import Outputable
 import Constants
+import DynFlags
 \end{code}
 
 
@@ -576,37 +577,38 @@ data CallMethod
        CLabel                          --   The code label
        Int                             --   Its arity
 
-getCallMethod :: Name          -- Function being applied
+getCallMethod :: DynFlags
+              -> Name          -- Function being applied
               -> CafInfo        -- Can it refer to CAF's?
              -> LambdaFormInfo -- Its info
              -> Int            -- Number of available arguments
              -> CallMethod
 
-getCallMethod name _ lf_info n_args
+getCallMethod _ name _ lf_info n_args
   | nodeMustPointToIt lf_info && opt_Parallel
   =    -- If we're parallel, then we must always enter via node.  
        -- The reason is that the closure may have been         
        -- fetched since we allocated it.
     EnterIt
 
-getCallMethod name caf (LFReEntrant _ arity _ _) n_args
+getCallMethod _ name caf (LFReEntrant _ arity _ _) n_args
   | n_args == 0    = ASSERT( arity /= 0 )
                     ReturnIt   -- No args at all
   | n_args < arity = SlowCall  -- Not enough args
   | otherwise      = DirectEntry (enterIdLabel name caf) arity
 
-getCallMethod name _ (LFCon con) n_args
+getCallMethod _ name _ (LFCon con) n_args
   = ASSERT( n_args == 0 )
     ReturnCon con
 
-getCallMethod name caf (LFThunk _ _ updatable std_form_info is_fun) n_args
+getCallMethod dflags name caf (LFThunk _ _ updatable std_form_info is_fun) n_args
   | is_fun     -- it *might* be a function, so we must "call" it (which is
                 -- always safe)
   = SlowCall   -- We cannot just enter it [in eval/apply, the entry code
                -- is the fast-entry code]
 
   -- Since is_fun is False, we are *definitely* looking at a data value
-  | updatable || opt_DoTickyProfiling  -- to catch double entry
+  | updatable || doingTickyProfiling dflags -- to catch double entry
       {- OLD: || opt_SMP
         I decided to remove this, because in SMP mode it doesn't matter
         if we enter the same thunk multiple times, so the optimisation
@@ -624,10 +626,10 @@ getCallMethod name caf (LFThunk _ _ updatable std_form_info is_fun) n_args
   = ASSERT( n_args == 0 )
     JumpToIt (thunkEntryLabel name caf std_form_info updatable)
 
-getCallMethod name _ (LFUnknown True) n_args
+getCallMethod _ name _ (LFUnknown True) n_args
   = SlowCall -- Might be a function
 
-getCallMethod name _ (LFUnknown False) n_args
+getCallMethod _ name _ (LFUnknown False) n_args
   | n_args > 0 
   = WARN( True, ppr name <+> ppr n_args ) 
     SlowCall   -- Note [Unsafe coerce complications]
@@ -635,27 +637,27 @@ getCallMethod name _ (LFUnknown False) n_args
   | otherwise
   = EnterIt -- Not a function
 
-getCallMethod name _ (LFBlackHole _) n_args
+getCallMethod _ name _ (LFBlackHole _) n_args
   = SlowCall   -- Presumably the black hole has by now
                -- been updated, but we don't know with
                -- what, so we slow call it
 
-getCallMethod name _ (LFLetNoEscape 0) n_args
+getCallMethod _ name _ (LFLetNoEscape 0) n_args
   = JumpToIt (enterReturnPtLabel (nameUnique name))
 
-getCallMethod name _ (LFLetNoEscape arity) n_args
+getCallMethod _ name _ (LFLetNoEscape arity) n_args
   | n_args == arity = DirectEntry (enterReturnPtLabel (nameUnique name)) arity
   | otherwise = pprPanic "let-no-escape: " (ppr name <+> ppr arity)
 
-blackHoleOnEntry :: ClosureInfo -> Bool
+blackHoleOnEntry :: DynFlags -> ClosureInfo -> Bool
 -- Static closures are never themselves black-holed.
 -- Updatable ones will be overwritten with a CAFList cell, which points to a 
 -- black hole;
 -- Single-entry ones have no fvs to plug, and we trust they don't form part 
 -- of a loop.
 
-blackHoleOnEntry ConInfo{} = False
-blackHoleOnEntry (ClosureInfo { closureLFInfo = lf_info, closureSMRep = rep })
+blackHoleOnEntry _ ConInfo{} = False
+blackHoleOnEntry dflags (ClosureInfo { closureLFInfo = lf_info, closureSMRep = rep })
   | isStaticRep rep
   = False      -- Never black-hole a static closure
 
@@ -666,7 +668,7 @@ blackHoleOnEntry (ClosureInfo { closureLFInfo = lf_info, closureSMRep = rep })
        LFThunk _ no_fvs updatable _ _
          -> if updatable
             then not opt_OmitBlackHoling
-            else opt_DoTickyProfiling || not no_fvs
+            else doingTickyProfiling dflags || not no_fvs
                   -- the former to catch double entry,
                   -- and the latter to plug space-leaks.  KSW/SDM 1999-04.