[llvm] [DAG] Reducing instructions by better legalization handling of AVGFLOORU for illegal data types (PR #99913)

[Craig Topper via llvm-commits]

topperc wrote:

> @topperc I'm still getting build bot errors failing llvm/test/CodeGen/AArch64/avgflooru-i128.ll, were you able to revert everything?

I think so. It can take a while for all build bots to see the revert.

https://github.com/llvm/llvm-project/pull/99913