4412       BasicBlock *UserParent = nullptr;  in run()  local
4429               if (UserParent && UserParent != PN->getIncomingBlock(i))  in run()
4431               UserParent = PN->getIncomingBlock(i);  in run()
4434           assert(UserParent && "expected to find user block!");  in run()
4436           if (UserParent && UserParent != UserInst->getParent())  in run()
4438           UserParent = UserInst->getParent();  in run()
4446           if (UserParent == BB || !DT.isReachableFromEntry(UserParent))  in run()
4449           auto *Term = UserParent->getTerminator();  in run()
4458           if (UserParent->getUniquePredecessor() != BB && !succ_empty(Term))  in run()
4461           assert(DT.dominates(BB, UserParent) && "Dominance relation broken?");  in run()
4468       if (!UserParent)  in run()
4471       return UserParent;  in run()
4476       auto *UserParent = *OptBB;  in run()  local
4478       if (tryToSinkInstruction(I, UserParent)) {  in run()