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From: "amacleod at redhat dot com" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug middle-end/71690] some integer conversions defeat memcpy
 optimizaton
Date: Thu, 15 Jul 2021 20:26:55 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D71690

Andrew Macleod <amacleod at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |FIXED

--- Comment #7 from Andrew Macleod <amacleod at redhat dot com> ---
Not sure how to create a test case for this that isn't super dependent on
debugging output formatting.

regardless, the correct ranges are available if you are using ranger, so I =
will
close this PR as "use ranger in your pass" :-)=20=20=20

details here: https://gcc.gnu.org/pipermail/gcc/2021-June/236363.html

it boils down to replacing your get_range_info calls (or SSA_NAME_RANGE_INF=
O or
whatever is being used) with  get_range_query ()->range_of_expr ()=