[llvm-bugs] [Bug 36319] [ValueTracking] Add DemandedElts support to computeKnownBits/ComputeNumSignBits

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=36319

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

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

--- Comment #3 from Simon Pilgrim <llvm-dev at redking.me.uk> ---
Resolving this - all the basic DemandedElts support is in place.

As with SelectionDAG, we're only adding handling to specific instructions when
we have real use cases + useful test coverage - e.g. bitcast handling in
D104472/rG656001e7b2b9 to fix [Bug #50123].

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