[GHC] #1885: Improve CPR analysis

[GHC]

#1885: Improve CPR analysis
-------------------------------------+------------------------------------
        Reporter:  simonpj           |            Owner:
            Type:  feature request   |           Status:  new
        Priority:  lowest            |        Milestone:  7.6.2
       Component:  Compiler          |          Version:  6.8.1
      Resolution:                    |         Keywords:
Operating System:  Unknown/Multiple  |     Architecture:  Unknown/Multiple
 Type of failure:  None/Unknown      |       Difficulty:  Unknown
       Test Case:                    |       Blocked By:
        Blocking:                    |  Related Tickets:
-------------------------------------+------------------------------------
Changes (by simonpj):

 * owner:  simonpj =>
 * status:  closed => new
 * resolution:  fixed =>


Comment:

 Well, it would be good to know WHY it runs really fast.  Maybe the
 function is being inlined... but it it was bigger it wouldn't be, and
 nested CPR might be just the job. I'd rather know that it was fixed
 (rather than just have the symptoms disappear) before closing the ticket.

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/1885#comment:15>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler