#14737: Improve performance of Simplify.simplCast -------------------------------------+------------------------------------- Reporter: tdammers | Owner: goldfire Type: bug | Status: patch Priority: highest | Milestone: 8.6.1 Component: Compiler | Version: 8.2.2 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: Compile-time | Unknown/Multiple performance bug | Test Case: Blocked By: | Blocking: Related Tickets: #11735 #14683 | Differential Rev(s): Phab:D4385 Wiki Page: | Phab:D4568 -------------------------------------+------------------------------------- Comment (by Ben Gamari <ben@…>): In [changeset:"2a5bdd9adb1cb4afecd3303f0cfcc224be5ce745/ghc" 2a5bdd9/ghc]: {{{ #!CommitTicketReference repository="ghc" revision="2a5bdd9adb1cb4afecd3303f0cfcc224be5ce745" Remove unnecessary check in simplCast The coercion optimizer will take care of it anyway, and the check is prohibitively expensive. See Trac #14737. Reviewers: bgamari Subscribers: simonpj, thomie, carter Differential Revision: https://phabricator.haskell.org/D4568 }}} -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14737#comment:30> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler