[GHC] #10012: Cheap-to-compute values aren't pushed into case branches inducing unnecessary register pressure

[GHC]

#10012: Cheap-to-compute values aren't pushed into case branches inducing
unnecessary register pressure
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        Reporter:  bgamari           |                Owner:  bgamari
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  7.8.4
      Resolution:                    |             Keywords:  CodeGen
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Runtime           |  Unknown/Multiple
  performance bug                    |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #8048             |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by bollu):

 * cc: bollu (added)


Comment:

 CCing myself because I have been running into related issues with closure-
 creation-on-the-stack that's not necessary here:
 https://github.com/bollu/exploration/tree/master/dec-22-asm-diff

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10012#comment:20>
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