[llvm] [AMDGPU] Copy Defs and Uses from Pseudo to Real Instructions (PR #93004)

[Fabian Ritter via llvm-commits]

ritter-x2a wrote:

As there hasn't been an update from @jayfoad, the PR does not affect the current testing situation negatively, and since @arsenm approved the PR, I'll merge it as is for now.
Feel free to reach out if you want to discuss introducing testing for implicit instruction operands in a separate PR.

https://github.com/llvm/llvm-project/pull/93004