[llvm-branch-commits] [llvm] [AMDGPU] Add gfx1251 V_PK_LSHL_ADD_U64 (PR #203612)

[Stanislav Mekhanoshin via llvm-branch-commits]

rampitec wrote:

* #203612 👈
* #203607
* `main`

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https://github.com/llvm/llvm-project/pull/203612