89                                                 PHINode &PN, LoopInfo *LI);
493 static bool isTriviallyReplacablePHI(PHINode &PN, Instruction &I) {  in isTriviallyReplacablePHI()  argument
494   for (unsigned i = 0, e = PN.getNumIncomingValues(); i != e; ++i)  in isTriviallyReplacablePHI()
495     if (PN.getIncomingValue(i) != &I)  in isTriviallyReplacablePHI()
508     if (PHINode *PN = dyn_cast<PHINode>(UI)) {  in isNotUsedInLoop()  local
513       if (isTriviallyReplacablePHI(*PN, I)) {  in isNotUsedInLoop()
514         if (CurLoop->contains(PN))  in isNotUsedInLoop()
522       for (unsigned i = 0, e = PN->getNumIncomingValues(); i != e; ++i)  in isNotUsedInLoop()
523         if (PN->getIncomingValue(i) == &I)  in isNotUsedInLoop()
524           if (CurLoop->contains(PN->getIncomingBlock(i)))  in isNotUsedInLoop()
538                                                 PHINode &PN, LoopInfo *LI) {  in CloneInstructionInExitBlock()  argument
554         if (!OLoop->contains(&PN)) {  in CloneInstructionInExitBlock()
556               PHINode::Create(OInst->getType(), PN.getNumIncomingValues(),  in CloneInstructionInExitBlock()
558           for (unsigned i = 0, e = PN.getNumIncomingValues(); i != e; ++i)  in CloneInstructionInExitBlock()
559             OpPN->addIncoming(OInst, PN.getIncomingBlock(i));  in CloneInstructionInExitBlock()
599     PHINode *PN = cast<PHINode>(User);  in sink()  local
601     BasicBlock *ExitBlock = PN->getParent();  in sink()
611             CloneInstructionInExitBlock(I, *ExitBlock, *PN, LI);  in sink()
613     PN->replaceAllUsesWith(New);  in sink()
614     PN->eraseFromParent();  in sink()
706             PHINode *PN = PHINode::Create(  in maybeInsertLCSSAPHI()  local
710               PN->addIncoming(I, *PI);  in maybeInsertLCSSAPHI()
711             return PN;  in maybeInsertLCSSAPHI()