[llvm] [llvm][transforms] Add a new algorithm to SplitModule (PR #95941)

[Ilia Sergachev via llvm-commits]

sergachev wrote:

> Could you share some statistics on how this performs on larger inputs? (e.g. llvm-test-suite)

Sure! https://gist.github.com/sergachev/f68e5f6dad591d1efbcfa3fcd23b140c#file-results-txt-L4-L41

https://github.com/llvm/llvm-project/pull/95941