[clang] [llvm] [AMDGPU][True16][MC][CodeGen] true16 for v_alignbyte_b32 (PR #125706)

[Brox Chen via cfe-commits]

broxigarchen wrote:

Hi @Sisyph @kosarev @arsenm The previous PR of this patch https://github.com/llvm/llvm-project/pull/119750 is stucked and the new commit is not able be displayed.

Closed and reopen it here.

https://github.com/llvm/llvm-project/pull/125706