document version change

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@268702 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/ProfileData/InstrProf.h b/include/llvm/ProfileData/InstrProf.h
index f07a5406339627a680617e83c8335cc55ecc91bd..0f51b69aef1fc1743fdabb3efbcf60ad9e4a7fa8 100644 (file)
--- a/include/llvm/ProfileData/InstrProf.h
+++ b/include/llvm/ProfileData/InstrProf.h
@@ -813,6 +813,7 @@ namespace RawInstrProf {
 // struct has more fields to describe value profile information.
 // Version 3: Compressed name section support. Function PGO name reference
 // from control data struct is changed from raw pointer to Name's MD5 value.
+// Version 4: ValueDataBegin field is removed from the raw header.
 const uint64_t Version = INSTR_PROF_RAW_VERSION;
 
 template <class IntPtrT> inline uint64_t getMagic();