[llvm] [RISCV] Fold `addi` into load / store even if they are in different BBs. (PR #67024)

[Mikhail Gudim via llvm-commits]

mgudim wrote:

> Could we use https://reviews.llvm.org/D152828 for this?

Good idea, I'll take a look but not this week.

https://github.com/llvm/llvm-project/pull/67024