[llvm] [X86][GlobalISel] Added support for llvm.set.rounding (PR #156591)

[Matt Arsenault via llvm-commits]

arsenm wrote:

> Hi @pranavk, While running `llvm/test/CodeGen/X86/isel-set-invalid-rounding.ll` separately, I'm getting **SIGABRT**, not a **segfault**, which is expected. If you are still getting **segfault**, can you please share reproduction issue...? So, we can follow up and address it. Thanks

This should not SIBABRT 

https://github.com/llvm/llvm-project/pull/156591