[clang] [flang] [llvm] [mlir] [mlir][OpenMP] Translate omp.declare_simd to LLVM IR (x86) (PR #178087)

[Kiran Chandramohan via cfe-commits]

https://github.com/kiranchandramohan commented:

Thanks for this PR.

Could you summarize what will work after this PR? Does this PR end up generating vector function variants that will be picked up by the vectorizer?

> Codegen for AArch64 is not included in this patch.
Is this unavailable in Clang as well?

https://github.com/llvm/llvm-project/pull/178087