#3744: Comparisons against minBound/maxBound not optimised --------------------------------------+------------------------------------- Reporter: rl | Owner: Type: bug | Status: closed Priority: normal | Milestone: 7.2.1 Component: Compiler | Version: 6.13 Resolution: fixed | Keywords: Testcase: | Blockedby: Difficulty: | Os: Unknown/Multiple Blocking: | Architecture: Unknown/Multiple Failure: Runtime performance bug | --------------------------------------+-------------------------------------
Comment(by michalt): Replying to [comment:10 simonpj]: > The optimisation seems ok, but does this situation ever arise in practice? > Who asks `x < minBound`? > > Simon Well, I'm pretty sure I've never wrote something like that. ;) On the other hand the ticket has been around for a while with a comment or two, so I thought that the optimization might be useful for someone. But I don't really feel strongly about it. -- Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3744#comment:11> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler _______________________________________________ Glasgow-haskell-bugs mailing list Glasgow-haskell-bugs@haskell.org http://www.haskell.org/mailman/listinfo/glasgow-haskell-bugs