lib/CodeGen/MicrosoftCXXABI.cpp

2354   llvm::GlobalVariable *GuardVar = GI ? GI->Guard : nullptr;
2373     GuardVar = nullptr;
2376   if (!GuardVar) {
2390     GuardVar =
2393     GuardVar->setVisibility(GV->getVisibility());
2394     GuardVar->setDLLStorageClass(GV->getDLLStorageClass());
2395     GuardVar->setAlignment(GuardAlign.getQuantity());
2396     if (GuardVar->isWeakForLinker())
2397       GuardVar->setComdat(
2398           CGM.getModule().getOrInsertComdat(GuardVar->getName()));
2400       GuardVar->setThreadLocal(true);
2402       GI->Guard = GuardVar;
2405   ConstantAddress GuardAddr(GuardVar, GuardAlign);
2407   assert(GuardVar->getLinkage() == GV->getLinkage() &&
2412     // if (!(GuardVar & MyGuardBit)) {
2413     //   GuardVar |= MyGuardBit;