[llvm] [TTI][TLI] Expose TargetLowering::isOffsetFoldingLegal (backend) to TargetTransformInfo for middle-end cost-benefit analysis (PR #104644)

[Mingming Liu via llvm-commits]

minglotus-6 wrote:

> can you post a use case PR separately? I'm not sure what you can do with this in the IR

Sure! I'll add one tomorrow. 

https://github.com/llvm/llvm-project/pull/104644