[GHC] #9157: cmm common block not eliminated

[GHC]

#9157: cmm common block not eliminated
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        Reporter:  wojteknar         |            Owner:  jstolarek
            Type:  bug               |           Status:  new
        Priority:  normal            |        Milestone:
       Component:  Compiler          |          Version:  7.8.2
      Resolution:                    |         Keywords:
Operating System:  Unknown/Multiple  |     Architecture:  Unknown/Multiple
 Type of failure:  Other             |       Difficulty:  Unknown
       Test Case:                    |       Blocked By:
        Blocking:                    |  Related Tickets:
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Comment (by jstolarek):

 >  Whether it's worthwhile (a) having another CBE pass (maybe with -O2
 only) or (b) moving the existing CBE pass later in the pipeline, is a
 matter for measurement.

 I see. It looks like a low-priority thing so I'm leaving investigating
 that to someone who has access to more computing power than me.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9157#comment:6>
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