[GHC] #3116: missed opportunity for call-pattern specialisation

[GHC]

#3116: missed opportunity for call-pattern specialisation
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    Reporter:  duncan                    |        Owner:                  
        Type:  run-time performance bug  |       Status:  new             
    Priority:  normal                    |    Milestone:                  
   Component:  Compiler                  |      Version:  6.10.1          
    Severity:  normal                    |   Resolution:                  
    Keywords:                            |   Difficulty:  Unknown         
    Testcase:                            |           Os:  Unknown/Multiple
Architecture:  Unknown/Multiple          |  
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Comment (by duncan):

 Yes perhaps it only works for top level case analysis. It may still be a
 frequent special case. I'll think about how it generalises and what a full
 algorithm would look like.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3116#comment:6>
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