[PATCH] D22546: [Profile] Add new public API to get profile path prefix

[David Li via llvm-commits]

davidxl created this revision.
davidxl added reviewers: tejohnson, vsk.
davidxl added a subscriber: llvm-commits.

This API is intended to be used by user program to fetch all profiles dumped in same dir (the name of individual raw profile file is not important).

https://reviews.llvm.org/D22546

Files:
  lib/profile/InstrProfiling.h
  lib/profile/InstrProfilingFile.c
  test/profile/instrprof-path.c

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