[llvm] [AMDGPU] Introduce orderign parameter to atomic intrinsics and introduce new llvm.amdgcn.image.atomic.load intrinsic. (PR #73613)

[via llvm-commits]

sstipanovic wrote:

 > [0] Actually... `nosync` is a default attribute, and we define `AMDGPUImageDimIntrinsic` as a `DefaultAttrsIntrinsic`. That seems like an already existing bug for the image_atomic intrinsics. @sstipanovic can you fix that?
Fixed. Atomics don't have nosync anymore.


https://github.com/llvm/llvm-project/pull/73613