The Function can never be nullptr so we can return a reference. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320884 91177308-0d34-0410-b5e6-96231b3b80d8
Fix typo in the representative instruction replacement. Also, fix formatting and reword some comments. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320839 91177308-0d34-0410-b5e6-96231b3b80d8
The name change is dicsussed in https://reviews.llvm.org/D38196 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320204 91177308-0d34-0410-b5e6-96231b3b80d8