Method handle

lib/indcallsolver/TestTypeVirtSolverHandler.cpp:121–144

}

void TestTypeVirtSolverHandler::handle(const GlobalVariable &GV) {
  SmallVector<MDNode *, 2> MDTypes;
  GV.getMetadata(LLVMContext::MD_type, MDTypes);
  if (MDTypes.empty() || GV.isDeclaration() || !GV.isConstant() ||
      !GV.hasInitializer())
    return;

  for (const auto *MDType : MDTypes) {
    if (!MDType || MDType->getNumOperands() < 2)
      continue;

    const auto *MDTypeID = MDType->getOperand(1).get();
    const auto *ConstantMD =
        dyn_cast_or_null<ConstantAsMetadata>(MDType->getOperand(0));
    if (!ConstantMD)
      continue;

    const auto *CI = dyn_cast_or_null<ConstantInt>(ConstantMD->getValue());
    if (!CI)
      continue;

    TypeIDMap[MDTypeID].emplace(TypeMetaInfo(&GV, CI->getZExtValue()));
  }
}