EntryExitInstrumenter: support __cyg_profile_func_enter_bare

It works just like __cyg_profile_func_enter but takes no arguments.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@318783 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed