[llvm] [DAG] SelectionDAG::canCreateUndefOrPoison - Mark AVGFLOORS and AVGCEILS as safe (PR #148191)

[David Green via llvm-commits]

davemgreen wrote:

Could you add a tests to llvm/test/CodeGen/AArch64/hadd-combine.ll that use the aarch64.neon.uhadd/urhadd intrinsics? They should be converted to these avg nodes so can be tested directly.

https://github.com/llvm/llvm-project/pull/148191