llvm-project

f27442b8 - [AArch64] Add missing bitcast patterns for bf16<->f16 converts. (#159816)

[AArch64] Add missing bitcast patterns for bf16<->f16 converts. (#159816) This fills in the missing patterns for bicasting v4f16 to/from v4bf16, and v8f16 to/from v8f16. Clean up some formatting whilst here. Fixes #159772