[llvm-branch-commits] [llvm] [AMDGPU] Extract byte lanes of a split vector from the 32-bit source (PR #228424)

[Dmitry Sidorov via llvm-branch-commits]

MrSidims wrote:

Found during extra testing of https://github.com/llvm/llvm-project/pull/225343

https://github.com/llvm/llvm-project/pull/228424