[llvm-bugs] [Bug 46627] Invalid optimization with math library `fmax` and signed zeros
via llvm-bugs
llvm-bugs at lists.llvm.org
Tue Jul 14 07:33:57 PDT 2020
https://bugs.llvm.org/show_bug.cgi?id=46627
Sanjay Patel <spatel+llvm at rotateright.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|NEW |RESOLVED
Fixed By Commit(s)| |34d35d4a, e6c01642
--- Comment #5 from Sanjay Patel <spatel+llvm at rotateright.com> ---
Both bugs/fixes were in ValueTracking.
This restricts the analysis of maxnum:
https://github.com/llvm/llvm-project/commit/34d35d4a42dc747345cea4a8b7066371a70cf7a8
And this should solve not recognizing the no-builtin attribute:
https://github.com/llvm/llvm-project/commit/e6c016420c796ac038b15e1ba0557947bf11d507
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