[llvm] [PM] Execute IndVarSimplifyPass precede RessociatePass (PR #71054)

[Nikita Popov via llvm-commits]

https://github.com/nikic requested changes to this pull request.

Compile-time: http://llvm-compile-time-tracker.com/compare.php?from=060de415af335fdd82910f409e2be3b8457eaa43&to=eef3483993253cda242f9798f6118b8539e81b62&stat=instructions:u

https://github.com/llvm/llvm-project/pull/71054