320   while (const PHINode *PN = dyn_cast<PHINode>(BBI++)) {  in CanMergeBlocks()  local
321     for (Value::const_use_iterator UI = PN->use_begin(), E = PN->use_end();  in CanMergeBlocks()
362       while (const PHINode *PN = dyn_cast<PHINode>(BBI++)) {  in CanMergeBlocks()  local
363         const Value *V1 = PN->getIncomingValueForBlock(Pred);  in CanMergeBlocks()
364         const Value *V2 = PN->getIncomingValueForBlock(BB);  in CanMergeBlocks()
408   PHINode *PN;  in EliminateMostlyEmptyBlock()  local
410        (PN = dyn_cast<PHINode>(BBI)); ++BBI) {  in EliminateMostlyEmptyBlock()
412     Value *InVal = PN->removeIncomingValue(BB, false);  in EliminateMostlyEmptyBlock()
420         PN->addIncoming(InValPhi->getIncomingValue(i),  in EliminateMostlyEmptyBlock()
427           PN->addIncoming(InVal, BBPN->getIncomingBlock(i));  in EliminateMostlyEmptyBlock()
430           PN->addIncoming(InVal, *PI);  in EliminateMostlyEmptyBlock()
503     if (PHINode *PN = dyn_cast<PHINode>(User)) {  in OptimizeNoopCopyExpression()  local
504       UserBB = PN->getIncomingBlock(UI);  in OptimizeNoopCopyExpression()
716   PHINode *PN = 0;  in DupRetToEnableTailCallOpts()  local
724     PN = dyn_cast<PHINode>(V);  in DupRetToEnableTailCallOpts()
725     if (!PN)  in DupRetToEnableTailCallOpts()
729   if (PN && PN->getParent() != BB)  in DupRetToEnableTailCallOpts()
742   if (PN) {  in DupRetToEnableTailCallOpts()
760   if (PN) {  in DupRetToEnableTailCallOpts()
761     for (unsigned I = 0, E = PN->getNumIncomingValues(); I != E; ++I) {  in DupRetToEnableTailCallOpts()
762       CallInst *CI = dyn_cast<CallInst>(PN->getIncomingValue(I));  in DupRetToEnableTailCallOpts()
764       if (CI && CI->hasOneUse() && CI->getParent() == PN->getIncomingBlock(I) &&  in DupRetToEnableTailCallOpts()
1879   PHINode *PN = PHINode::Create(SI->getType(), 2, "", NextBlock->begin());  in OptimizeSelectInst()  local
1880   PN->takeName(SI);  in OptimizeSelectInst()
1881   PN->addIncoming(SI->getTrueValue(), StartBlock);  in OptimizeSelectInst()
1882   PN->addIncoming(SI->getFalseValue(), SmallBlock);  in OptimizeSelectInst()
1883   SI->replaceAllUsesWith(PN);  in OptimizeSelectInst()