[llvm] [DAG] Add legalization handling for AVGCEIL/AVGFLOOR nodes (PR #92096)

[Yingwei Zheng via llvm-commits]

dtcxzyw wrote:

> Probably by this patch as this is the only one in DAG in the blame list https://lab.llvm.org/buildbot/#/builders/237/builds/7908
> 
> Can you please fix or revert?
> 
> FYI @fmayer

Should be fixed by https://github.com/llvm/llvm-project/commit/ca33796d54ce6d2c711032b269caf32851c5915a.


https://github.com/llvm/llvm-project/pull/92096