llvm-project

ac6e2ee3 - [mlir][vector] Support direct broadcast conversion (LLVM & SPIRV) (#148027)

[mlir][vector] Support direct broadcast conversion (LLVM & SPIRV) (#148027) Add conversion for broadcast from scalar for LLVM and SPIRV. Also some miscellaneous replacements of vector.splat with vector.broadcast in VectorToGPU and ArithToAMDGPU. Part of deprecation of vector.splat RFC: https://discourse.llvm.org/t/rfc-mlir-vector-deprecate-then-remove-vector-splat/87143/4