290       if (!isa<DbgInfoIntrinsic>(BBI) && !isa<PHINode>(BBI))  in EliminateMostlyEmptyBlocks()
317   while (const PHINode *PN = dyn_cast<PHINode>(BBI++)) {  in CanMergeBlocks()
321       if (User->getParent() != DestBB || !isa<PHINode>(User))  in CanMergeBlocks()
327         if (const PHINode *UPN = dyn_cast<PHINode>(User))  in CanMergeBlocks()
341   const PHINode *DestBBPN = dyn_cast<PHINode>(DestBB->begin());  in CanMergeBlocks()
346   if (const PHINode *BBPN = dyn_cast<PHINode>(BB->begin())) {  in CanMergeBlocks()
359       while (const PHINode *PN = dyn_cast<PHINode>(BBI++)) {  in CanMergeBlocks()
364         if (const PHINode *V2PN = dyn_cast<PHINode>(V2))  in CanMergeBlocks()
405   PHINode *PN;  in EliminateMostlyEmptyBlock()
407        (PN = dyn_cast<PHINode>(BBI)); ++BBI) {  in EliminateMostlyEmptyBlock()
413     PHINode *InValPhi = dyn_cast<PHINode>(InVal);  in EliminateMostlyEmptyBlock()
422       if (PHINode *BBPN = dyn_cast<PHINode>(BB->begin())) {  in EliminateMostlyEmptyBlock()
500     if (PHINode *PN = dyn_cast<PHINode>(User)) {  in OptimizeNoopCopyExpression()
557     if (isa<PHINode>(User))  in OptimizeCmpExpression()
713   PHINode *PN = 0;  in DupRetToEnableTailCallOpts()
721     PN = dyn_cast<PHINode>(V);  in DupRetToEnableTailCallOpts()
1491     if (PHINode *P = dyn_cast<PHINode>(V)) {  in OptimizeMemoryInst()
1772     if (isa<PHINode>(User) || isa<LoadInst>(User) || isa<StoreInst>(User))  in OptimizeExtUses()
1881   PHINode *PN = PHINode::Create(SI->getType(), 2, "", NextBlock->begin());  in OptimizeSelectInst()
1895   if (PHINode *P = dyn_cast<PHINode>(I)) {  in OptimizeInst()
2002         if (isa<PHINode>(VI))  in PlaceDbgValues()