[clang] [flang] [mlir] [flang][flang-driver][mlir][OpenMP] atomic control support (PR #143441)

[Krzysztof Parzyszek via cfe-commits]

https://github.com/kparzysz commented:

Please remove 'amdgpu' from variable and function names.  These options may be useful for other targets as well.

https://github.com/llvm/llvm-project/pull/143441