[llvm] [AMDGPU] Skip register uses in AMDGPUResourceUsageAnalysis (PR #133242)

[Diana Picus via llvm-commits]

rovka wrote:

> This could be much more generic. AMDGPUResourceUsageAnalysis could unconditionally ignore IMPLICIT_DEF and all use operands.

Ok, I switched to that. 

@arsenm I think this makes your other comments obsolete. But anyway, let me know what you think of this approach :)

https://github.com/llvm/llvm-project/pull/133242