[PATCH] D17737: [PGO] change profile use cc1 option

[David Li via cfe-commits]

davidxl added a comment.

I think we just need one cc1 option -fprofile-instrument-use-path=<>.  An overloaded setPGOInstrumenter method can peak at the profile header and get the Profile flavor.


http://reviews.llvm.org/D17737