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

[Teresa Johnson via llvm-branch-commits]

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@@ -479,15 +479,37 @@ Error InstrProfSymtab::create(Module &M, bool InLTO) {
       continue;
     Types.clear();
     G.getMetadata(LLVMContext::MD_type, Types);
-    if (!Types.empty()) {
-      MD5VTableMap.emplace_back(G.getGUID(), &G);
-    }
+    if (Types.empty())
+      continue;
+    if (Error E = addVTableWithName(
+              G, getIRPGOObjectName(G, InLTO, /* PGONameMetadata */ nullptr)))
+        return E;
   }
   Sorted = false;
   finalizeSymtab();
   return Error::success();
 }
 
+Error InstrProfSymtab::addVTableWithName(GlobalVariable &VTable,
+                                         StringRef VTablePGOName) {
+                                          
+  auto mapName = [&](StringRef Name) -> Error {
+    if (Error E = addVTableName(Name))
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teresajohnson wrote:

Where is addVTableName defined?

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