[llvm-bugs] [Bug 51584] compile-time explosion at -O1 to -Os on clang trunk version

via llvm-bugs llvm-bugs at lists.llvm.org
Mon Aug 23 07:54:41 PDT 2021


Florian Hahn <florian_hahn at apple.com> changed:

           What    |Removed                     |Added
         Resolution|---                         |FIXED
 Fixed By Commit(s)|                            |9577fac0fddf
                 CC|                            |spatel+llvm at rotateright.com
             Status|NEW                         |RESOLVED

--- Comment #1 from Florian Hahn <florian_hahn at apple.com> ---
Thanks for the report!

It looks like this hits and infinite loop in instcombine with a recently added
pattern. I reverted the problematic patch for now in
https://reviews.llvm.org/rG9577fac0fddf and added a reduced test case

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