Vedant Kumar 1621facc6c [SwiftPGO] Add driver support for -profile-use=<path> ...

This option tells the compiler where to find a profdata file. The
information in this file enables PGO. For more information about the PGO
infrastructure, look for the -profile-generate option and for the
llvm-profdata tool [1].

[1] http://llvm.org/docs/CommandGuide/llvm-profdata.html

2017-09-26 10:52:08 -07:00

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