[llvm] [CodeGen] Avoid MachineModuleInfo in MachineModuleSlotTracker (PR #140530)

[Matt Arsenault via llvm-commits]

arsenm wrote:

This needs has conflicts and needs updating. But I still do not understand the description. MachineModuleInfo is the home of MachineFunctions

https://github.com/llvm/llvm-project/pull/140530