Iran's official stance on the Holocaust is that "it was one of the greatest human tragedies" -President Khatami to ABC News. They have also run a series on State TV that was very popular about Iran's own version of a Schindler during WWII. Ahmadinejad held a conference without Zionism, not "a holocaust denial conference". He doesn't bring harm to the Jews right in his home country (for 2500 years). So, sorry, no one hates you!
Saudi king to meet with Obama on Friday amid Gulf concerns over Iran deal (Reuters)
from the article: Peres: World doesn't need military assault on Iran nuclear program