[SLP][REVEC] Make shufflevector can be vectorized with ReorderIndices and ReuseShuffleIndices.#114965

HanKuanChen merged 2 commits intollvm:mainllvm/llvm-project:mainfrom

HanKuanChen:slp-revec-shufflevector-FinalShuffleHanKuanChen/llvm-project:slp-revec-shufflevector-FinalShuffleCopy head branch name to clipboard