177     PHINode *PN = cast<PHINode>(I);  in findPHIToPartitionLoops()  local
179     if (Value *V = simplifyInstruction(PN, {DL, nullptr, DT, AC})) {  in findPHIToPartitionLoops()
181       PN->replaceAllUsesWith(V);  in findPHIToPartitionLoops()
182       PN->eraseFromParent();  in findPHIToPartitionLoops()
187     for (unsigned i = 0, e = PN->getNumIncomingValues(); i != e; ++i)  in findPHIToPartitionLoops()
188       if (PN->getIncomingValue(i) == PN &&  in findPHIToPartitionLoops()
189           L->contains(PN->getIncomingBlock(i)))  in findPHIToPartitionLoops()
191         return PN;  in findPHIToPartitionLoops()
248   PHINode *PN = findPHIToPartitionLoops(L, DT, AC);  in separateNestedLoop()  local
249   if (!PN) return nullptr;  // No known way to partition.  in separateNestedLoop()
255   for (unsigned i = 0, e = PN->getNumIncomingValues(); i != e; ++i) {  in separateNestedLoop()
256     if (PN->getIncomingValue(i) != PN ||  in separateNestedLoop()
257         !L->contains(PN->getIncomingBlock(i))) {  in separateNestedLoop()
259       if (isa<IndirectBrInst>(PN->getIncomingBlock(i)->getTerminator()))  in separateNestedLoop()
261       OuterLoopPreds.push_back(PN->getIncomingBlock(i));  in separateNestedLoop()
400     PHINode *PN = cast<PHINode>(I);  in insertUniqueBackedgeBlock()  local
401     PHINode *NewPN = PHINode::Create(PN->getType(), BackedgeBlocks.size(),  in insertUniqueBackedgeBlock()
402                                      PN->getName()+".be", BETerminator->getIterator());  in insertUniqueBackedgeBlock()
409     for (unsigned i = 0, e = PN->getNumIncomingValues(); i != e; ++i) {  in insertUniqueBackedgeBlock()
410       BasicBlock *IBB = PN->getIncomingBlock(i);  in insertUniqueBackedgeBlock()
411       Value *IV = PN->getIncomingValue(i);  in insertUniqueBackedgeBlock()
428       PN->setIncomingValue(0, PN->getIncomingValue(PreheaderIdx));  in insertUniqueBackedgeBlock()
429       PN->setIncomingBlock(0, PN->getIncomingBlock(PreheaderIdx));  in insertUniqueBackedgeBlock()
432     PN->removeIncomingValueIf([](unsigned Idx) { return Idx != 0; },  in insertUniqueBackedgeBlock()
436     PN->addIncoming(NewPN, BEBlock);  in insertUniqueBackedgeBlock()
596   PHINode *PN;  in simplifyOneLoop()  local
598        (PN = dyn_cast<PHINode>(I++)); )  in simplifyOneLoop()
599     if (Value *V = simplifyInstruction(PN, {DL, nullptr, DT, AC})) {  in simplifyOneLoop()
600       if (SE) SE->forgetValue(PN);  in simplifyOneLoop()
601       if (!PreserveLCSSA || LI->replacementPreservesLCSSAForm(PN, V)) {  in simplifyOneLoop()
602         PN->replaceAllUsesWith(V);  in simplifyOneLoop()
603         PN->eraseFromParent();  in simplifyOneLoop()