[llvm-bugs] [Bug 22984] [X86] recognize vperm2 with zero masks

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=22984

Simon Pilgrim <llvm-dev at redking.me.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Fixed By Commit(s)|233100                      |233100,45aa1b88534c
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #4 from Simon Pilgrim <llvm-dev at redking.me.uk> ---
(In reply to Sanjay Patel from comment #2)
> This problem was mostly solved with:
> http://reviews.llvm.org/rL233100
> 
> There's still a TODO in there to prefer vperm2 over xor+blend when
> optimizing for size.

A little late but optsize handling was finally committed in rG45aa1b88534c

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