627   for (const RewritePhi &Phi : RewritePhiSet) {  in rewriteLoopExitValues()  local
628     PHINode *PN = Phi.PN;  in rewriteLoopExitValues()
629     Value *ExitVal = Phi.Val;  in rewriteLoopExitValues()
633     if (ReplaceExitValue == OnlyCheapRepl && !LoopCanBeDel && Phi.HighCost) {  in rewriteLoopExitValues()
640     Instruction *Inst = cast<Instruction>(PN->getIncomingValue(Phi.Ith));  in rewriteLoopExitValues()
641     PN->setIncomingValue(Phi.Ith, ExitVal);  in rewriteLoopExitValues()
766     for (const RewritePhi &Phi : RewritePhiSet) {  in canLoopBeDeleted()  local
767       unsigned i = Phi.Ith;  in canLoopBeDeleted()
768       if (Phi.PN == P && (Phi.PN)->getIncomingValue(i) == Incoming) {  in canLoopBeDeleted()
1602   PHINode *Phi = dyn_cast<PHINode>(IncI->getOperand(0));  in getLoopPhiForCounter()  local
1603   if (Phi && Phi->getParent() == L->getHeader()) {  in getLoopPhiForCounter()
1605       return Phi;  in getLoopPhiForCounter()
1612   Phi = dyn_cast<PHINode>(IncI->getOperand(1));  in getLoopPhiForCounter()
1613   if (Phi && Phi->getParent() == L->getHeader()) {  in getLoopPhiForCounter()
1615       return Phi;  in getLoopPhiForCounter()
1657   PHINode *Phi = dyn_cast<PHINode>(LHS);  in needsLFTR()  local
1658   if (!Phi)  in needsLFTR()
1659     Phi = getLoopPhiForCounter(LHS, L, DT);  in needsLFTR()
1661   if (!Phi)  in needsLFTR()
1665   int Idx = Phi->getBasicBlockIndex(L->getLoopLatch());  in needsLFTR()
1670   Value *IncV = Phi->getIncomingValue(Idx);  in needsLFTR()
1671   return Phi != getLoopPhiForCounter(IncV, L, DT);  in needsLFTR()
1718 static bool AlmostDeadIV(PHINode *Phi, BasicBlock *LatchBlock, Value *Cond) {  in AlmostDeadIV()  argument
1719   int LatchIdx = Phi->getBasicBlockIndex(LatchBlock);  in AlmostDeadIV()
1720   Value *IncV = Phi->getIncomingValue(LatchIdx);  in AlmostDeadIV()
1722   for (User *U : Phi->users())  in AlmostDeadIV()
1726     if (U != Cond && U != Phi) return false;  in AlmostDeadIV()
1758     PHINode *Phi = cast<PHINode>(I);  in FindLoopCounter()  local
1759     if (!SE->isSCEVable(Phi->getType()))  in FindLoopCounter()
1763     if (BECount->getType()->isPointerTy() && !Phi->getType()->isPointerTy())  in FindLoopCounter()
1766     const SCEVAddRecExpr *AR = dyn_cast<SCEVAddRecExpr>(SE->getSCEV(Phi));  in FindLoopCounter()
1781     int LatchIdx = Phi->getBasicBlockIndex(LatchBlock);  in FindLoopCounter()
1782     Value *IncV = Phi->getIncomingValue(LatchIdx);  in FindLoopCounter()
1783     if (getLoopPhiForCounter(IncV, L, DT) != Phi)  in FindLoopCounter()
1788     if (!hasConcreteDef(Phi)) {  in FindLoopCounter()
1793         if (Phi != getLoopPhiForCounter(Cond->getOperand(0), L, DT) &&  in FindLoopCounter()
1794             Phi != getLoopPhiForCounter(Cond->getOperand(1), L, DT)) {  in FindLoopCounter()
1803       if (AlmostDeadIV(Phi, LatchBlock, Cond))  in FindLoopCounter()
1818     BestPhi = Phi;  in FindLoopCounter()