[llvm] [BasicBlockUtils] Fix loopinfo header in split block before (PR #179408)

[Yevgeny Rouban via llvm-commits]

yrouban wrote:

> This conflicts with other recent work on this function (see #179392 for latest version). Does that one fix your issue as well?

At first glance it fixes as it does LI update in . I will check my UpdateAnalysisInformation(). I will check my case and let you know. At least it would be good to add my case to BasicBlockUtilsTest.cpp.


https://github.com/llvm/llvm-project/pull/179408