[GHC] #2465: View + Pattern Match not fused sufficiently

GHC trac at galois.com
Fri Aug 1 11:39:49 EDT 2008


#2465: View + Pattern Match not fused sufficiently
------------------------------------------+---------------------------------
 Reporter:  ryani                         |          Owner:         
     Type:  compile-time performance bug  |         Status:  new    
 Priority:  normal                        |      Milestone:         
Component:  Compiler                      |        Version:  6.8.2  
 Severity:  normal                        |     Resolution:         
 Keywords:                                |     Difficulty:  Unknown
 Testcase:                                |   Architecture:  x86    
       Os:  Windows                       |  
------------------------------------------+---------------------------------
Changes (by simonpj):

  * difficulty:  => Unknown

Comment:

 I don't understand the example.   Can you point to the exact code in the
 Core output that you think should be different, and what you are expecting
 to see instead?

 Note also that `dnaView` is recursive, which sharply limits how much
 inlining GHC can do.

 Simon

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2465#comment:1>
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