[llvm-bugs] [Bug 41419] [InstCombine] Assertion !isa<UndefValue>(Shuf.getOperand(1))

via llvm-bugs llvm-bugs at lists.llvm.org
Mon Apr 8 06:43:43 PDT 2019


Sanjay Patel <spatel+llvm at rotateright.com> changed:

           What    |Removed                     |Added
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED
 Fixed By Commit(s)|                            |357910

--- Comment #3 from Sanjay Patel <spatel+llvm at rotateright.com> ---
I went with the quick fix:
...because it shold always be safe to commute and return.

The real fix -- as indicated in the code comment -- is to improve InstSimplify,
but that's probably a multi-step effort.

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