#10010: LLVM/optimized code for sqrt incorrect for negative values -------------------------------------+------------------------------------- Reporter: glguy | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler (LLVM) | Version: 7.8.4 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: Incorrect result | Unknown/Multiple at runtime | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by tjakway): This works for me on HEAD (f21eedbc223c33b71ba323a44c25fcd512f61b52) All of the below were tried with -O0, -O1, and -O2 ghc 8.0.1 (doesn't support LLVM 3.8) and llvm 3.7 gives NaN HEAD with 3.7 also gives NaN HEAD with 3.8 gives NaN So at least it's OK going forward. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/10010#comment:1 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler