[clang] [llvm] [SelectionDAG][PowerPC] Add an intrinsic for memcmp. (PR #118178)

[Nikita Popov via cfe-commits]

nikic wrote:

You'll have to create an RFC on discourse if you want to add a new target-independent memory intrinsic.

Though if changing the name is the extent of the "special handling" you need, we probably shouldn't be adding an intrinsic for that.

https://github.com/llvm/llvm-project/pull/118178