[SLP] Make getSameOpcode support interchangeable instructions.#135797

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

HanKuanChen:slp-revec-interchangeable-instructionHanKuanChen/llvm-project:slp-revec-interchangeable-instructionCopy head branch name to clipboard