[GHC] #16198: Cmm string literals shouldn't be represented as [Word8]

17 Jan 2019

      #16198: Cmm string literals shouldn't be represented as [Word8]
-------------------------------------+-------------------------------------
           Reporter:  hsyl20         |             Owner:  (none)
               Type:  bug            |            Status:  new
           Priority:  normal         |         Milestone:
          Component:  Compiler       |           Version:  8.6.3
           Keywords:                 |  Operating System:  Unknown/Multiple
       Architecture:                 |   Type of failure:  None/Unknown
  Unknown/Multiple                   |
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:
Differential Rev(s):                 |         Wiki Page:
-------------------------------------+-------------------------------------
 While we use ByteString to represent string literals in Core/STG, they are
 unpacked into [Word8] when compiled into Cmm. This is bad for performance,
 especially with large strings and there is no reason to do it.

 Patch coming.

-- 
Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/16198
GHC http://www.haskell.org/ghc/
The Glasgow Haskell Compiler