[IA] Generalize the support for power-of-two (de)interleave intrinsics#123863

mshockwave merged 3 commits intollvm:mainllvm/llvm-project:mainfrom

mshockwave:patch/riscv/interleaved-access-pow-of-2-factorsmshockwave/llvm-project:patch/riscv/interleaved-access-pow-of-2-factorsCopy head branch name to clipboard