[llvm] [RISCV] Implement RISCVTTIImpl::shouldConsiderAddressTypePromotion for RISCV (PR #102560)

[Pengcheng Wang via llvm-commits]

https://github.com/wangpc-pp commented:

Can you add a description and what can we gain from this patch?

https://github.com/llvm/llvm-project/pull/102560