[clang] [lld] [llvm] [X86][APX] Suppress EGPR/NDD instructions for relocations (PR #136660)

[Phoebe Wang via cfe-commits]

phoebewang wrote:

> This solution can not handle post-RA optimizations. Could we implement it in MC stage for this workaround?

We cannot change the register after RA. I don't see any problem for now expect NF optimizations, which we can skip them for now.

https://github.com/llvm/llvm-project/pull/136660