[llvm] [SampleFDO][TypeProf]Support vtable type profiling for ext-binary and text format (PR #148002)

[David Li via llvm-commits]

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@@ -989,6 +1018,42 @@ class FunctionSamples {
     return CallsiteSamples;
   }
 
+  /// Returns vtable access samples for the C++ types collcted in this function.
+  const CallsiteTypeMap &getCallsiteTypeCounts() const {
+    return VirtualCallsiteTypeCounts;
+  }
+
+  /// Returns the vtable access samples for the C++ types at the un-drifted
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david-xl wrote:

Remove 'undrifted' if the caller is not required to do explicit 'undrifting' (which should be done behind the scene through a layer of source location mapping).

https://github.com/llvm/llvm-project/pull/148002