[PM/AA] Extract the interface for GlobalsModRef into a header along with
its creation function.

This required shifting a bunch of method definitions to be out-of-line
so that we could leave most of the implementation guts in the .cpp file.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@245021 91177308-0d34-0410-b5e6-96231b3b80d8
5 files changed