[llvm-bugs] [Bug 47960] Incorrect transformation of fabs with nnan flag

via llvm-bugs llvm-bugs at lists.llvm.org
Sun Jul 25 07:46:45 PDT 2021


https://bugs.llvm.org/show_bug.cgi?id=47960

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Fixed By Commit(s)|                            |7bd361200a7b
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #2 from Sanjay Patel <spatel+llvm at rotateright.com> ---
This has potential to cause perf regressions:
https://reviews.llvm.org/rG7bd361200a7b
...but hopefully that makes the transform sound for all existing regression
tests.

We discussed follow-ups to improve the transform in the review.

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