[llvm] [Asan] Provide TTI hook to provide memory reference infromation of ta… (PR #127753)

[Matt Arsenault via llvm-commits]

arsenm wrote:

> Technically you can ask for a TargetMachine from the Pass ctor and get TLI from it, but I don't think we have a wrapper Pass for TargetLowering (yet)?

You use the TargetMachine to get the Subtarget, and query TargetLowering from the subtarget 

https://github.com/llvm/llvm-project/pull/127753