[llvm-branch-commits] [llvm] [InstrProf] Add vtables with type metadata into symtab to look it up with GUID (PR #81051)

[via llvm-branch-commits]

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@@ -560,35 +586,50 @@ Error 
InstrProfSymtab::initVTableNamesFromCompressedStrings(
       std::bind(&InstrProfSymtab::addVTableName, this, std::placeholders::_1));
 }
 
-Error InstrProfSymtab::addFuncWithName(Function &F, StringRef PGOFuncName) {
-  if (Error E = addFuncName(PGOFuncName))
-    return E;
-  MD5FuncMap.emplace_back(Function::getGUID(PGOFuncName), &F);
+StringRef InstrProfSymtab::getCanonicalName(StringRef PGOName,
----------------
WenleiHe wrote:

This feels quite similar to `FunctionSamples::getCanonicalFnName`, wondering if 
they can be unified into a general purpose helper.

https://github.com/llvm/llvm-project/pull/81051
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