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Justin Bogner 8ab6d199d1 InstrProf: Handle unknown functions if they consist only of zero-regions
This comes up when we generate coverage for a function but don't end
up emitting the function at all - dead static functions or inline
functions that aren't referenced in a particular TU, for example. In
these cases we'd like to show that the function was never called,
which is trivially true.

llvm-svn: 229717
2015-02-18 18:40:46 +00:00
..