[mlir][Vector] add vector.insert canonicalization pattern to convert a chain of insertions to vector.from_elements#142944

Groverkss merged 17 commits intollvm:mainllvm/llvm-project:mainfrom

yangtetris:canonicalization_patter_insert_poisonyangtetris/llvm-project:canonicalization_patter_insert_poisonCopy head branch name to clipboard