Lines Matching defs:IncV

674 bool SCEVExpander::isNormalAddRecExprPHI(PHINode *PN, Instruction *IncV,
676   if (IncV->getNumOperands() == 0 || isa<PHINode>(IncV) ||
677       (isa<CastInst>(IncV) && !isa<BitCastInst>(IncV)))
683     for (Use &Op : llvm::drop_begin(IncV->operands()))
689   IncV = dyn_cast<Instruction>(IncV->getOperand(0));
690   if (!IncV)
693   if (IncV->mayHaveSideEffects())
696   if (IncV == PN)
699   return isNormalAddRecExprPHI(PN, IncV, L);
711 Instruction *SCEVExpander::getIVIncOperand(Instruction *IncV,
714   if (IncV == InsertPos)
717   switch (IncV->getOpcode()) {
723     Instruction *OInst = dyn_cast<Instruction>(IncV->getOperand(1));
725       return dyn_cast<Instruction>(IncV->getOperand(0));
729     return dyn_cast<Instruction>(IncV->getOperand(0));
731     for (Use &U : llvm::drop_begin(IncV->operands())) {
743       if (!cast<GEPOperator>(IncV)->getSourceElementType()->isIntegerTy(8))
747     return dyn_cast<Instruction>(IncV->getOperand(0));
771 bool SCEVExpander::hoistIVInc(Instruction *IncV, Instruction *InsertPos,
788   if (SE.DT.dominates(IncV, InsertPos)) {
790       FixupPoisonFlags(IncV);
794   // InsertPos must itself dominate IncV so that IncV's new position satisfies
797       !SE.DT.dominates(InsertPos->getParent(), IncV->getParent()))
800   if (!SE.LI.movementPreservesLCSSAForm(IncV, InsertPos))
806     Instruction *Oper = getIVIncOperand(IncV, InsertPos, /*allowScale*/true);
809     // IncV is safe to hoist.
810     IVIncs.push_back(IncV);
811     IncV = Oper;
812     if (SE.DT.dominates(IncV, InsertPos))
838 bool SCEVExpander::isExpandedAddRecExprPHI(PHINode *PN, Instruction *IncV,
840   for(Instruction *IVOper = IncV;
854   Value *IncV;
858     IncV = Builder.CreatePtrAdd(PN, StepV, "scevgep");
860     IncV = useSubtract ?
864   return IncV;
944     Instruction *IncV = nullptr;
994         IncV = TempIncV;
1008         IncV = TempIncV;
1018       rememberInstruction(IncV);
1021       ReusedValues.insert(IncV);
1090     Value *IncV = expandIVInc(PN, StepV, L, useSubtract);
1092     if (isa<OverflowingBinaryOperator>(IncV)) {
1094         cast<BinaryOperator>(IncV)->setHasNoUnsignedWrap();
1096         cast<BinaryOperator>(IncV)->setHasNoSignedWrap();
1098     PN->addIncoming(IncV, Pred);