the new CONCAT_VECTORS node type instead, as that's what legalize uses now. And add a peep for EXTRACT_VECTOR_ELT of INSERT_VECTOR_ELT. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@38503 91177308-0d34-0410-b5e6-96231b3b80d8