Lines Matching defs:PN

705 bool SCEVExpander::isNormalAddRecExprPHI(PHINode *PN, Instruction *IncV,
727   if (IncV == PN)
730   return isNormalAddRecExprPHI(PN, IncV, L);
869 bool SCEVExpander::isExpandedAddRecExprPHI(PHINode *PN, Instruction *IncV,
874     if (IVOper == PN)
883 Value *SCEVExpander::expandIVInc(PHINode *PN, Value *StepV, const Loop *L,
887   if (PN->getType()->isPointerTy()) {
889     IncV = Builder.CreatePtrAdd(PN, StepV, "scevgep");
892       Builder.CreateSub(PN, StepV, Twine(IVName) + ".iv.next") :
893       Builder.CreateAdd(PN, StepV, Twine(IVName) + ".iv.next");
985     for (PHINode &PN : L->getHeader()->phis()) {
986       if (!SE.isSCEVable(PN.getType()))
991       if (!PN.isComplete()) {
993             DebugType, dbgs() << "One incomplete PHI is found: " << PN << "\n");
997       const SCEVAddRecExpr *PhiSCEV = dyn_cast<SCEVAddRecExpr>(SE.getSCEV(&PN));
1010           dyn_cast<Instruction>(PN.getIncomingValueForBlock(LatchBlock));
1016         if (!isExpandedAddRecExprPHI(&PN, TempIncV, L))
1019         if (!isNormalAddRecExprPHI(&PN, TempIncV, L))
1028         AddRecPhiMatch = &PN;
1038         AddRecPhiMatch = &PN;
1104   PHINode *PN =
1111       PN->addIncoming(StartV, Pred);
1121     Value *IncV = expandIVInc(PN, StepV, L, useSubtract);
1129     PN->addIncoming(IncV, Pred);
1138   InsertedValues.insert(PN);
1139   InsertedIVs.push_back(PN);
1140   return PN;
1166   PHINode *PN = getAddRecExprPHILiterally(Normalized, L, TruncTy, InvertStep);
1171     Result = PN;
1176     Result = PN->getIncomingValueForBlock(LatchBlock);
1214       Result = expandIVInc(PN, StepV, L, useSubtract);
1252   if (PHINode *PN = L->getCanonicalInductionVariable())
1253     if (SE.getTypeSizeInBits(PN->getType()) >= SE.getTypeSizeInBits(Ty))
1254       CanonicalIV = PN;
1690     if (PHINode *PN = dyn_cast<PHINode>(OrigInc))
1691       IP = PN->getParent()->getFirstInsertionPt();
1716   for (PHINode &PN : L->getHeader()->phis())
1717     Phis.push_back(&PN);
1735     auto SimplifyPHINode = [&](PHINode *PN) -> Value * {
1736       if (Value *V = simplifyInstruction(PN, {DL, &SE.TLI, &SE.DT, &SE.AC}))
1738       if (!SE.isSCEVable(PN->getType()))
1740       auto *Const = dyn_cast<SCEVConstant>(SE.getSCEV(PN));
2291   for (PHINode *PN : InsertedPHIs)
2292     rememberInstruction(PN);
2293   for (PHINode *PN : PHIsToRemove) {
2294     if (!PN->use_empty())
2296     InsertedValues.erase(PN);
2297     InsertedPostIncValues.erase(PN);
2298     PN->eraseFromParent();