[llvm] [AMDGPU] Avoid hitting AMDGPUAsmPrinter related asserts for local functions at O0 (PR #72129)

[Matt Arsenault via llvm-commits]

arsenm wrote:

Another related issue is CallGraphAnalysis fails to look through aliases, so we have similar bugs from relying on SCC order through those 

https://github.com/llvm/llvm-project/pull/72129