[clang] [IRPGO][ValueProfile] Instrument virtual table address that could be used to do virtual table address comparision for indirect-call-promotion. (PR #66825)

[David Li via cfe-commits]

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@@ -124,9 +124,27 @@ int __llvm_profile_merge_from_buffer(const char *ProfileData,
   SrcCountersEnd = SrcCountersStart +
                    Header->NumCounters * __llvm_profile_counter_entry_size();
   SrcNameStart = SrcCountersEnd;
-  SrcValueProfDataStart =
+  // This is to assume counter size is a multiple of 8 bytes.
+  // uint64_t NamesSize = Header->NamesSize;
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david-xl wrote:

redundant comment lines.

https://github.com/llvm/llvm-project/pull/66825