[llvm] [AMDGPU][NPM] Port AMDGPUArgumentUsageInfo to NPM (PR #170886)

[Dark Steve via llvm-commits]

PrasoonMishra wrote:

> This resulted in fallback to FixedABIFunctionInfo which assumes all implicit arguments are needed, generating unnecessary register setup code for entry functions.

@arsenm Is there something specific you'd like me to clarify about this statement?

https://github.com/llvm/llvm-project/pull/170886