[SLP][REVEC] Make GetMinMaxCost support FixedVectorType when REVEC is enabled.#115417

HanKuanChen merged 1 commit intollvm:mainllvm/llvm-project:mainfrom

HanKuanChen:slp-revec-GetMinMaxCost-assertHanKuanChen/llvm-project:slp-revec-GetMinMaxCost-assertCopy head branch name to clipboard