80   bool isElse(PHINode *Phi);
82   void eraseIfUnused(PHINode *Phi);
191 bool SIAnnotateControlFlow::isElse(PHINode *Phi) {  in isElse()  argument
192   BasicBlock *IDom = DT->getNode(Phi->getParent())->getIDom()->getBlock();  in isElse()
193   for (unsigned i = 0, e = Phi->getNumIncomingValues(); i != e; ++i) {  in isElse()
194     if (Phi->getIncomingBlock(i) == IDom) {  in isElse()
196       if (Phi->getIncomingValue(i) != BoolTrue)  in isElse()
200       if (Phi->getIncomingValue(i) != BoolFalse)  in isElse()
209 void SIAnnotateControlFlow::eraseIfUnused(PHINode *Phi) {  in eraseIfUnused()  argument
210   if (!Phi->hasNUsesOrMore(1))  in eraseIfUnused()
211     Phi->eraseFromParent();  in eraseIfUnused()
243   PHINode *Phi = nullptr;  in handleLoopCondition()  local
244   if ((Phi = dyn_cast<PHINode>(Cond)) && L->contains(Phi)) {  in handleLoopCondition()
246     BasicBlock *Parent = Phi->getParent();  in handleLoopCondition()
251     for (unsigned i = 0, e = Phi->getNumIncomingValues(); i != e; ++i) {  in handleLoopCondition()
252       Value *Incoming = Phi->getIncomingValue(i);  in handleLoopCondition()
253       BasicBlock *From = Phi->getIncomingBlock(i);  in handleLoopCondition()
259       Phi->setIncomingValue(i, BoolFalse);  in handleLoopCondition()
266     for (unsigned i = 0, e = Phi->getNumIncomingValues(); i != e; ++i) {  in handleLoopCondition()
268       Value *Incoming = Phi->getIncomingValue(i);  in handleLoopCondition()
272       BasicBlock *From = Phi->getIncomingBlock(i);  in handleLoopCondition()
301     eraseIfUnused(Phi);  in handleLoopCondition()
404       PHINode *Phi = dyn_cast<PHINode>(Term->getCondition());  in runOnFunction()  local
405       if (Phi && Phi->getParent() == *I && isElse(Phi)) {  in runOnFunction()
407         eraseIfUnused(Phi);  in runOnFunction()