[GHC] #14567: OccAnal loop-breaker scoring for NOINLINE things

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Fri Dec 8 17:20:56 UTC 2017


#14567: OccAnal loop-breaker scoring for NOINLINE things
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        Reporter:  simonpj           |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.2.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by Simon Peyton Jones <simonpj@…>):

 In [changeset:"5695f462f604fc63cbb45a7f3073bc114f9b475f/ghc"
 5695f462/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="5695f462f604fc63cbb45a7f3073bc114f9b475f"
 Occurrrence analysis improvements for NOINLINE functions

 This patch fixes #14567.  The idea is simple: if a function
 is marked NOINLINE then it makes a great candidate for a loop
 breaker.

 Implementation is easy too, but it needs a little extra plubming,
 notably the occ_unf_act field in OccEnv
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14567#comment:1>
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