[clang] [compiler-rt] [llvm] [TypeProf][InstrFDO]Implement more efficient comparison sequence for indirect-call-promotion with vtable profiles. (PR #81442)

[Mingming Liu via cfe-commits]

================
@@ -1967,11 +1969,23 @@ void llvm::updateProfileCallee(
     uint64_t CloneEntryCount = PriorEntryCount - NewEntryCount;
     for (auto Entry : *VMap) {
       if (isa<CallInst>(Entry.first))
-        if (auto *CI = dyn_cast_or_null<CallInst>(Entry.second))
+        if (auto *CI = dyn_cast_or_null<CallInst>(Entry.second)) {
----------------
minglotus-6 wrote:

As discussed offline, I'll keep the current code for now as `CallBase` is a 
load bearing class.

https://github.com/llvm/llvm-project/pull/81442
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