[llvm] [IA][RISCV] Support VP intrinsics in InterleavedAccessPass (PR #120490)

[Min-Yih Hsu via llvm-commits]

mshockwave wrote:

> It seems strange that we would support it for VP ops but not for regular ops, could this PR be reworked to maybe add support for the latter first? I.e. consolidating the target-independent BFS here + the AArch64 TLI pattern matching.

I'm going to circle back to this later. I have addressed rest of your comments though

https://github.com/llvm/llvm-project/pull/120490