[llvm-bugs] [Bug 39549] [X86] SimplifyDemandedBits fails to remove a zero vector input from unpckh

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=39549
Bug 39549 depends on bug 39689, which changed state.

Bug 39689 Summary: TargetLowering::SimplifyDemandedBits - improve vector support
https://bugs.llvm.org/show_bug.cgi?id=39689

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

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