llvm-project

323112a3 - [LLVM][SVE] Add isel for bfloat based constant splats. (#129550)

[LLVM][SVE] Add isel for bfloat based constant splats. (#129550) There are no dedicated bfloat MOV instructions but we can use the half variants when the encoding allows (e.g. f16(1.875) == bf16(1.0)).