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Author SHA1 Message Date
Vedant Kumar 2494d18f84 [profile] Fix test to bail on failed waitpid in instrprof-file_ex.c 
This resolves PR28066.

Patch by David Binderman!

llvm-svn: 272268
 2016-06-09 15:29:59 +00:00
Xinliang David Li 0891b6d59b [profile] code cleanup /NFC 
Address review feedback for better
readability.

llvm-svn: 271922
 2016-06-06 18:31:29 +00:00
Xinliang David Li 5cd1f94d4f [profile] in-process mergeing support (part-2) 
(Part-1 merging API is in profile runtime)

This patch implements a portable file opening API
with exclusive access for the process. In-process
profile merge requires profile file update to be
atomic/fully sychronized.

llvm-svn: 271864
 2016-06-06 03:17:58 +00:00