[llvm] Added instant events and marking defered templated instantiation. (PR #103039)

[Utkarsh Saxena via llvm-commits]

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@@ -18046,6 +18048,16 @@ void Sema::MarkFunctionReferenced(SourceLocation Loc, FunctionDecl *Func,
                 std::make_pair(Func, PointOfInstantiation));
             // Notify the consumer that a function was implicitly instantiated.
             Consumer.HandleCXXImplicitFunctionInstantiation(Func);
+
+            if (llvm::isTimeTraceVerbose()) {
+              llvm::timeTraceInstantEvent("DeferInstantiation", [&] {
+                std::string Name;
+                llvm::raw_string_ostream OS(Name);
+                Func->getNameForDiagnostic(OS, getPrintingPolicy(),
+                                           /*Qualified=*/true);
+                return Name;
+              });
+            }
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usx95 wrote:

Ignore this. This is an old comment.

https://github.com/llvm/llvm-project/pull/103039