; RUN: opt < %s -loop-simplify; This function should get a preheader inserted before BB3, that is jumped; to by BB1 & BB2;definevoid@test(){bri1true,label%BB1,label%BB2BB1:; preds = %0brlabel%BB3BB2:; preds = %0brlabel%BB3BB3:; preds = %BB3, %BB2, %BB1brlabel%BB3}