216     PHINode *PN = cast<PHINode>(I);  in findPHIToPartitionLoops()  local
218     if (Value *V = SimplifyInstruction(PN, DL, nullptr, DT, AC)) {  in findPHIToPartitionLoops()
220       PN->replaceAllUsesWith(V);  in findPHIToPartitionLoops()
221       if (AA) AA->deleteValue(PN);  in findPHIToPartitionLoops()
222       PN->eraseFromParent();  in findPHIToPartitionLoops()
227     for (unsigned i = 0, e = PN->getNumIncomingValues(); i != e; ++i)  in findPHIToPartitionLoops()
228       if (PN->getIncomingValue(i) == PN &&  in findPHIToPartitionLoops()
229           L->contains(PN->getIncomingBlock(i)))  in findPHIToPartitionLoops()
231         return PN;  in findPHIToPartitionLoops()
267   PHINode *PN = findPHIToPartitionLoops(L, AA, DT, AC);  in separateNestedLoop()  local
268   if (!PN) return nullptr;  // No known way to partition.  in separateNestedLoop()
274   for (unsigned i = 0, e = PN->getNumIncomingValues(); i != e; ++i) {  in separateNestedLoop()
275     if (PN->getIncomingValue(i) != PN ||  in separateNestedLoop()
276         !L->contains(PN->getIncomingBlock(i))) {  in separateNestedLoop()
278       if (isa<IndirectBrInst>(PN->getIncomingBlock(i)->getTerminator()))  in separateNestedLoop()
280       OuterLoopPreds.push_back(PN->getIncomingBlock(i));  in separateNestedLoop()
404     PHINode *PN = cast<PHINode>(I);  in insertUniqueBackedgeBlock()  local
405     PHINode *NewPN = PHINode::Create(PN->getType(), BackedgeBlocks.size(),  in insertUniqueBackedgeBlock()
406                                      PN->getName()+".be", BETerminator);  in insertUniqueBackedgeBlock()
407     if (AA) AA->copyValue(PN, NewPN);  in insertUniqueBackedgeBlock()
414     for (unsigned i = 0, e = PN->getNumIncomingValues(); i != e; ++i) {  in insertUniqueBackedgeBlock()
415       BasicBlock *IBB = PN->getIncomingBlock(i);  in insertUniqueBackedgeBlock()
416       Value *IV = PN->getIncomingValue(i);  in insertUniqueBackedgeBlock()
433       PN->setIncomingValue(0, PN->getIncomingValue(PreheaderIdx));  in insertUniqueBackedgeBlock()
434       PN->setIncomingBlock(0, PN->getIncomingBlock(PreheaderIdx));  in insertUniqueBackedgeBlock()
437     for (unsigned i = 0, e = PN->getNumIncomingValues()-1; i != e; ++i)  in insertUniqueBackedgeBlock()
438       PN->removeIncomingValue(e-i, false);  in insertUniqueBackedgeBlock()
441     PN->addIncoming(NewPN, BEBlock);  in insertUniqueBackedgeBlock()
619   PHINode *PN;  in simplifyOneLoop()  local
621        (PN = dyn_cast<PHINode>(I++)); )  in simplifyOneLoop()
622     if (Value *V = SimplifyInstruction(PN, DL, nullptr, DT, AC)) {  in simplifyOneLoop()
623       if (AA) AA->deleteValue(PN);  in simplifyOneLoop()
624       if (SE) SE->forgetValue(PN);  in simplifyOneLoop()
625       PN->replaceAllUsesWith(V);  in simplifyOneLoop()
626       PN->eraseFromParent();  in simplifyOneLoop()