[llvm] [WIP][AMDGPU] eliminate frame index v_add (PR #106060)

[Matt Arsenault via llvm-commits]

arsenm wrote:

Is there any change here from my PR other than test changes? Can you just open the test changes as a separate change? They don't actually depend on the code changes (and are best precommitted anyway) 

https://github.com/llvm/llvm-project/pull/106060