[llvm-bugs] [Bug 23067] Alias analysis fails to recognize non-zero variable offset

via llvm-bugs llvm-bugs at lists.llvm.org
Fri Dec 25 09:38:12 PST 2020


https://bugs.llvm.org/show_bug.cgi?id=23067

Nikita Popov <nikita.ppv at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |nikita.ppv at gmail.com
         Resolution|---                         |FIXED
             Status|NEW                         |RESOLVED

--- Comment #4 from Nikita Popov <nikita.ppv at gmail.com> ---
We were pretty close to handling this already. With
https://github.com/llvm/llvm-project/commit/35676a4f9a536a2aab768af63ddbb15bc722d7f9
and
https://github.com/llvm/llvm-project/commit/c795dd19265d80e835ea1137f19f73624d7983e4
BasicAA realizes that these don't alias and the load/store get eliminated.

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