[llvm-bugs] [Bug 39195] Clang no longer optimizing patterns to horizontal add/sub after r343727

via llvm-bugs llvm-bugs at lists.llvm.org
Wed Dec 5 09:17:14 PST 2018


Sanjay Patel <spatel+llvm at rotateright.com> changed:

           What    |Removed                     |Added
             Status|NEW                         |RESOLVED
 Fixed By Commit(s)|                            |344141, 344361
         Resolution|---                         |FIXED

--- Comment #12 from Sanjay Patel <spatel+llvm at rotateright.com> ---
(In reply to Simon Pilgrim from comment #11)
> What is left to do for this bug?
> https://godbolt.org/z/FtBGsD
> This looks right for btver2 (fast horizontal ops).

I think we can close this one after:
https://reviews.llvm.org/D52997 / https://reviews.llvm.org/rL344141
https://reviews.llvm.org/D53095 / https://reviews.llvm.org/rL344361

We still have h-op holes, but they should be tracked by remaining bugs.

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