[GHC] #4470: Loop optimization: identical counters

[GHC]

#4470: Loop optimization: identical counters
-------------------------------------+-------------------------------------
              Reporter:  choenerzs   |            Owner:
                  Type:  feature     |           Status:  new
  request                            |        Milestone:  7.10.1
              Priority:  normal      |          Version:
             Component:  Compiler    |         Keywords:  loop optimization
            Resolution:              |     Architecture:  Unknown/Multiple
      Operating System:              |       Difficulty:  Unknown
  Unknown/Multiple                   |       Blocked By:
       Type of failure:  Runtime     |  Related Tickets:
  performance bug                    |
             Test Case:              |
              Blocking:              |
Differential Revisions:              |
-------------------------------------+-------------------------------------

Comment (by carter):

 this is (slightly?) related to series fusion as found in
 http://www.cse.unsw.edu.au/~amosr/papers/lippmeier2013flowfusion.pdf I
 think

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/4470#comment:12>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler