[llvm-bugs] [Bug 42389] InstCombine: lshr + "sext" => ashr canonicalization

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=42389

Roman Lebedev <lebedev.ri at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
 Fixed By Commit(s)|                            |373964
         Resolution|---                         |FIXED
           Assignee|unassignedbugs at nondot.org   |lebedev.ri at gmail.com

--- Comment #3 from Roman Lebedev <lebedev.ri at gmail.com> ---
The fold itself added in r373964,
but more work is needed to produce said sign-bit checks;
and ideally zext-vs-sext, in sub-vs-add.

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