[GHC] #7952: Can cost-centre annotations be included in -ddump-simpl?

[GHC]

#7952: Can cost-centre annotations be included in -ddump-simpl?
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    Reporter:  nr                |       Owner:                  
        Type:  feature request   |      Status:  new             
    Priority:  normal            |   Milestone:                  
   Component:  Compiler          |     Version:  7.6.3           
    Keywords:  Core              |          Os:  Unknown/Multiple
Architecture:  Unknown/Multiple  |     Failure:  None/Unknown    
  Difficulty:  Unknown           |    Testcase:                  
   Blockedby:                    |    Blocking:                  
     Related:                    |  
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Comment(by simonmar):

 The relevant code in the compiler is `CoreSyn.Tickish`,
 `CoreUtils.mkTick`, and `Simplify.simplTick`.  In the RTS it is in
 `rts/Profiling.c`, in particular `EnterFunCCS`.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7952#comment:5>
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