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

[Mingming Liu via cfe-commits]

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@@ -519,13 +591,20 @@ class InstrProfSymtab {
   /// will be represented using the same StringRef value.
   inline StringRef getFuncNameOrExternalSymbol(uint64_t FuncMD5Hash);
 
+  /// Just like getFuncName, except that it will return a non-empty StringRef
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minglotus-6 wrote:

Cleaned this up.

I just realized `getFuncNameOrExternalSymbol` and  `getFuncName` (line 587) needs a rename. These two functions are used in many places (llvm-profdata, text profile writer, coverage mapping, and unit test). I'm going to send out an NFC for the rename.


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