llvm-project

3ce544e6 - [X86] lowerShuffleAsBroadcast - improve handling of non-zero element index broadcasts

[X86] lowerShuffleAsBroadcast - improve handling of non-zero element index broadcasts On AVX2+, support broadcasting of any element if it occurs in the bottom 128-bit subvector by shuffling the element down to element 0 and then broadcasting. Fixes #113396