[llvm] [IA][RISCV] Recognize deinterleaved loads that could lower to strided segmented loads (PR #151612)

[Min-Yih Hsu via llvm-commits]

mshockwave wrote:

> Do we need to reject Factor != MaskFactor for non RISC-V targets?

Oh yeah we should, it's fixed now.

https://github.com/llvm/llvm-project/pull/151612