[llvm] [LSR][RFC] Improve LCSSA preservation ? (PR #185373)

[Aiden Grossman via llvm-commits]

boomanaiden154 wrote:

Yes, I think it's a reasonable direction. I would prefer https://github.com/llvm/llvm-project/pull/191665 given the regression test coverage for the LCSSA preservation regression tests though.

https://github.com/llvm/llvm-project/pull/185373