[PATCH] D21823: [Driver] Add flags for enabling both types of PGO Instrumentation

[Jake VanAdrighem via cfe-commits]

jakev updated this revision to Diff 62527.
jakev added a comment.

Don't allow `-fpgo-train` and `-fpgo-apply` together. Add `-fpgo-train-default-output=*` to set the default profile output file.


Repository:
  rL LLVM

http://reviews.llvm.org/D21823

Files:
  include/clang/Driver/Options.td
  lib/Driver/ToolChain.cpp
  lib/Driver/Tools.cpp
  test/Driver/clang_f_opts.c

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