Lines Matching defs:PN

174     PHINode *PN = cast<PHINode>(I);
176     if (Value *V = simplifyInstruction(PN, {DL, nullptr, DT, AC})) {
178       PN->replaceAllUsesWith(V);
179       PN->eraseFromParent();
184     for (unsigned i = 0, e = PN->getNumIncomingValues(); i != e; ++i)
185       if (PN->getIncomingValue(i) == PN &&
186           L->contains(PN->getIncomingBlock(i)))
188         return PN;
245   PHINode *PN = findPHIToPartitionLoops(L, DT, AC);
246   if (!PN) return nullptr;  // No known way to partition.
252   for (unsigned i = 0, e = PN->getNumIncomingValues(); i != e; ++i) {
253     if (PN->getIncomingValue(i) != PN ||
254         !L->contains(PN->getIncomingBlock(i))) {
256       if (isa<IndirectBrInst>(PN->getIncomingBlock(i)->getTerminator()))
258       OuterLoopPreds.push_back(PN->getIncomingBlock(i));
397     PHINode *PN = cast<PHINode>(I);
398     PHINode *NewPN = PHINode::Create(PN->getType(), BackedgeBlocks.size(),
399                                      PN->getName()+".be", BETerminator->getIterator());
406     for (unsigned i = 0, e = PN->getNumIncomingValues(); i != e; ++i) {
407       BasicBlock *IBB = PN->getIncomingBlock(i);
408       Value *IV = PN->getIncomingValue(i);
422     // Delete all of the incoming values from the old PN except the preheader's
425       PN->setIncomingValue(0, PN->getIncomingValue(PreheaderIdx));
426       PN->setIncomingBlock(0, PN->getIncomingBlock(PreheaderIdx));
429     PN->removeIncomingValueIf([](unsigned Idx) { return Idx != 0; },
433     PN->addIncoming(NewPN, BEBlock);
593   PHINode *PN;
595        (PN = dyn_cast<PHINode>(I++)); )
596     if (Value *V = simplifyInstruction(PN, {DL, nullptr, DT, AC})) {
597       if (SE) SE->forgetValue(PN);
598       if (!PreserveLCSSA || LI->replacementPreservesLCSSAForm(PN, V)) {
599         PN->replaceAllUsesWith(V);
600         PN->eraseFromParent();