[llvm-bugs] [Bug 48411] Failure to optimize out loop that does nothing and always ends

via llvm-bugs llvm-bugs at lists.llvm.org
Fri Feb 19 01:13:29 PST 2021


Florian Hahn <florian_hahn at apple.com> changed:

           What    |Removed                     |Added
 Fixed By Commit(s)|                            |f88a7975210fc995197af4b393e
                   |                            |3bb5030e97a5c
         Resolution|---                         |FIXED
             Status|NEW                         |RESOLVED

--- Comment #1 from Florian Hahn <florian_hahn at apple.com> ---
This should be fixed now, Clang now produces the same assembly as GCC

Probably due to 

commit f88a7975210fc995197af4b393e3bb5030e97a5c
Author: Atmn Patel <a335pate at uwaterloo.ca>
Date:   Tue Dec 22 21:54:21 2020 -0500

    [LoopDeletion] Allows deletion of possibly infinite side-effect free loops

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