[PGO] Comment how function pointers for indirect calls are mapped to function names
authorAdam Nemet <anemet@apple.com>
Mon, 28 Mar 2016 18:29:36 +0000 (18:29 +0000)
committerAdam Nemet <anemet@apple.com>
Mon, 28 Mar 2016 18:29:36 +0000 (18:29 +0000)
commit42a6fe199f031ab3d0baa142e698d061d251c6f8
tree9b9252870b72607c59e68f5d82776a61f053c4f0
parent2f36f059512fb35481e1c4731e2d406d9388a98d
[PGO] Comment how function pointers for indirect calls are mapped to function names

Summary:
Hopefully this will make it easier for the next person to figure all
this out...

Reviewers: bogner, davidxl

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D18490

llvm-svn: 264612
compiler-rt/lib/profile/InstrProfData.inc