[llvm-bugs] [Bug 31399] [CodeGen] suboptimal code for ffs()

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Tue Jul 31 23:55:35 PDT 2018


Craig Topper <craig.topper at gmail.com> changed:

           What    |Removed                     |Added
                 CC|                            |craig.topper at gmail.com
         Resolution|FIXED                       |---
             Status|RESOLVED                    |REOPENED
           Assignee|ivan.i.kulagin at gmail.com    |craig.topper at gmail.com

--- Comment #3 from Craig Topper <craig.topper at gmail.com> ---
This isn't completely fixed. There's another transform thats interfering with
the most basic case. The extra addition in the original report hides the issue
as does all of the IR tests committed with r336768


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