Lines Matching defs:IncV

705 bool SCEVExpander::isNormalAddRecExprPHI(PHINode *PN, Instruction *IncV,
707   if (IncV->getNumOperands() == 0 || isa<PHINode>(IncV) ||
708       (isa<CastInst>(IncV) && !isa<BitCastInst>(IncV)))
714     for (Use &Op : llvm::drop_begin(IncV->operands()))
720   IncV = dyn_cast<Instruction>(IncV->getOperand(0));
721   if (!IncV)
724   if (IncV->mayHaveSideEffects())
727   if (IncV == PN)
730   return isNormalAddRecExprPHI(PN, IncV, L);
742 Instruction *SCEVExpander::getIVIncOperand(Instruction *IncV,
745   if (IncV == InsertPos)
748   switch (IncV->getOpcode()) {
754     Instruction *OInst = dyn_cast<Instruction>(IncV->getOperand(1));
756       return dyn_cast<Instruction>(IncV->getOperand(0));
760     return dyn_cast<Instruction>(IncV->getOperand(0));
762     for (Use &U : llvm::drop_begin(IncV->operands())) {
774       if (!cast<GEPOperator>(IncV)->getSourceElementType()->isIntegerTy(8))
778     return dyn_cast<Instruction>(IncV->getOperand(0));
802 bool SCEVExpander::hoistIVInc(Instruction *IncV, Instruction *InsertPos,
819   if (SE.DT.dominates(IncV, InsertPos)) {
821       FixupPoisonFlags(IncV);
825   // InsertPos must itself dominate IncV so that IncV's new position satisfies
828       !SE.DT.dominates(InsertPos->getParent(), IncV->getParent()))
831   if (!SE.LI.movementPreservesLCSSAForm(IncV, InsertPos))
837     Instruction *Oper = getIVIncOperand(IncV, InsertPos, /*allowScale*/true);
840     // IncV is safe to hoist.
841     IVIncs.push_back(IncV);
842     IncV = Oper;
843     if (SE.DT.dominates(IncV, InsertPos))
869 bool SCEVExpander::isExpandedAddRecExprPHI(PHINode *PN, Instruction *IncV,
871   for(Instruction *IVOper = IncV;
885   Value *IncV;
889     IncV = Builder.CreatePtrAdd(PN, StepV, "scevgep");
891     IncV = useSubtract ?
895   return IncV;
975     Instruction *IncV = nullptr;
1025         IncV = TempIncV;
1039         IncV = TempIncV;
1049       rememberInstruction(IncV);
1052       ReusedValues.insert(IncV);
1121     Value *IncV = expandIVInc(PN, StepV, L, useSubtract);
1123     if (isa<OverflowingBinaryOperator>(IncV)) {
1125         cast<BinaryOperator>(IncV)->setHasNoUnsignedWrap();
1127         cast<BinaryOperator>(IncV)->setHasNoSignedWrap();
1129     PN->addIncoming(IncV, Pred);