[llvm-branch-commits] [IR] Make BranchInst operand order consistent (PR #151673)

[Alexis Engelke via llvm-branch-commits]

aengelke wrote:

Perhaps it will partially offset the change (c-t-t pending), but getSuccessor() is called very often outside of successors().

https://github.com/llvm/llvm-project/pull/151673