[llvm] [AMDGPU] Remove scope check in SIInsertWaitcnts::generateWaitcntInstBefore (PR #157821)

[Stanislav Mekhanoshin via llvm-commits]

https://github.com/rampitec commented:

Could you please pre-commit the test as NFC so we can see the changes?

https://github.com/llvm/llvm-project/pull/157821