[llvm] [SimplifyCFG] More accurate use legality check for sinking (PR #94462)

[Yingwei Zheng via llvm-commits]

dtcxzyw wrote:

> I find that this patch causes some functions failed to be inlined. Can you provide some performance data?

Alright, this patch improves both code size and performance on llvm-test-suite.


https://github.com/llvm/llvm-project/pull/94462