135 static std::pair<Value *, Value *> matchStridedStart(Value *Start,  in matchStridedStart()  argument
138   auto *StartC = dyn_cast<Constant>(Start);  in matchStridedStart()
143   auto *BO = dyn_cast<BinaryOperator>(Start);  in matchStridedStart()
158   std::tie(Start, Stride) = matchStridedStart(BO->getOperand(OtherIndex),  in matchStridedStart()
160   if (!Start)  in matchStridedStart()
166   Start = Builder.CreateAdd(Start, Splat);  in matchStridedStart()
167   return std::make_pair(Start, Stride);  in matchStridedStart()
186     Value *Step, *Start;  in matchStridedRecurrence()  local
187     if (!matchSimpleRecurrence(Phi, Inc, Start, Step) ||  in matchStridedRecurrence()
204     std::tie(Start, Stride) = matchStridedStart(Start, Builder);  in matchStridedRecurrence()
205     if (!Start)  in matchStridedRecurrence()
211         PHINode::Create(Start->getType(), 2, Phi->getName() + ".scalar", Phi);  in matchStridedRecurrence()
214     BasePtr->addIncoming(Start, Phi->getIncomingBlock(1 - IncrementingBlock));  in matchStridedRecurrence()
273   Value *Start = BasePtr->getOperand(StartBlock);  in matchStridedRecurrence()  local
289     if (isa<ConstantInt>(Start) && cast<ConstantInt>(Start)->isZero())  in matchStridedRecurrence()
290       Start = SplatOp;  in matchStridedRecurrence()
292       Start = Builder.CreateAdd(Start, SplatOp, "start");  in matchStridedRecurrence()
293     BasePtr->setIncomingValue(StartBlock, Start);  in matchStridedRecurrence()
298     if (!isa<ConstantInt>(Start) || !cast<ConstantInt>(Start)->isZero())  in matchStridedRecurrence()
299       Start = Builder.CreateMul(Start, SplatOp, "start");  in matchStridedRecurrence()
309     BasePtr->setIncomingValue(StartBlock, Start);  in matchStridedRecurrence()
314     if (!isa<ConstantInt>(Start) || !cast<ConstantInt>(Start)->isZero())  in matchStridedRecurrence()
315       Start = Builder.CreateShl(Start, SplatOp, "start");  in matchStridedRecurrence()
319     BasePtr->setIncomingValue(StartBlock, Start);  in matchStridedRecurrence()