554   BasicBlock *Latch = L->getLoopLatch();  in simplifyLoopLatch()  local
555   if (!Latch || Latch->hasAddressTaken())  in simplifyLoopLatch()
558   BranchInst *Jmp = dyn_cast<BranchInst>(Latch->getTerminator());  in simplifyLoopLatch()
562   BasicBlock *LastExit = Latch->getSinglePredecessor();  in simplifyLoopLatch()
570   if (!shouldSpeculateInstrs(Latch->begin(), Jmp->getIterator(), L))  in simplifyLoopLatch()
573   DEBUG(dbgs() << "Folding loop latch " << Latch->getName() << " into "  in simplifyLoopLatch()
577   LastExit->getInstList().splice(BI->getIterator(), Latch->getInstList(),  in simplifyLoopLatch()
578                                  Latch->begin(), Jmp->getIterator());  in simplifyLoopLatch()
580   unsigned FallThruPath = BI->getSuccessor(0) == Latch ? 0 : 1;  in simplifyLoopLatch()
586   Latch->replaceSuccessorsPhiUsesWith(LastExit);  in simplifyLoopLatch()
590   assert(Latch->empty() && "unable to evacuate Latch");  in simplifyLoopLatch()
591   LI->removeBlock(Latch);  in simplifyLoopLatch()
593     DT->eraseNode(Latch);  in simplifyLoopLatch()
594   Latch->eraseFromParent();  in simplifyLoopLatch()