[clang] [compiler-rt] [llvm] [InstrFDO][TypeProf] Implement binary instrumentation and profile read/write (PR #66825)

[Mingming Liu via cfe-commits]

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@@ -560,6 +602,28 @@ Error InstrProfSymtab::addFuncWithName(Function &F, StringRef PGOFuncName) {
   return Error::success();
 }
 
+uint64_t InstrProfSymtab::getVTableHashFromAddress(uint64_t Address) {
+  finalizeSymtab();
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minglotus-6 wrote:

This is to make sure the vectors are sorted.
* `finalizeSymtab` runs `llvm::sort` the first time it's called and marks `Sorted` as true ; subsequent calls returns early if `Sorted` is true.

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