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

[David Li via llvm-commits]

================
@@ -177,13 +192,14 @@ VALUE_PROF_FUNC_PARAM(uint32_t, CounterIndex, Type::getInt32Ty(Ctx))
 VALUE_PROF_KIND(IPVK_IndirectCallTarget, 0, "indirect call target")
 /* For memory intrinsic functions size profiling. */
 VALUE_PROF_KIND(IPVK_MemOPSize, 1, "memory intrinsic functions size")
+VALUE_PROF_KIND(IPVK_VTableTarget, 2, "vtable target")
----------------
david-xl wrote:

nit: --> "vtable address"

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