Fix PR13851: Preserve metadata for the unswitched branch

This patch copies the metadata of the unswitched branch to the newly
crreated branch in loop unswitch pass.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240378 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed