https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118947

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
           See Also|                            |https://gcc.gnu.org/bugzill
                   |                            |a/show_bug.cgi?id=117634
           Severity|normal                      |enhancement
           Assignee|unassigned at gcc dot gnu.org      |pinskia at gcc dot 
gnu.org
   Last reconfirmed|                            |2025-02-20
     Ever confirmed|0                           |1

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Related to PR 117634.

Currerntly optimize_memcpy_to_memset does not skip over vdefs that can't
clobber `buf` as it is supposed to be a simple analysis. But I suspect we could
extend it to skip over vdefs that don't clobber the buf.

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