[PGO] Comment how function pointers for indirect calls are mapped to function names
authorAdam Nemet <anemet@apple.com>
Mon, 28 Mar 2016 18:27:44 +0000 (18:27 +0000)
committerAdam Nemet <anemet@apple.com>
Mon, 28 Mar 2016 18:27:44 +0000 (18:27 +0000)
commit2f36f059512fb35481e1c4731e2d406d9388a98d
treec6d34b2c3b3e59ae202e6f7e6b72a4089d1c88b5
parente9f15b4b9f5ae3104c4624637b7360856b11214f
[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: 264611
llvm/include/llvm/ProfileData/InstrProfData.inc
llvm/lib/ProfileData/InstrProfReader.cpp