Lines Matching defs:Start

122 static std::pair<Value *, Value *> matchStridedStart(Value *Start,
125   auto *StartC = dyn_cast<Constant>(Start);
130   if (match(Start, m_Intrinsic<Intrinsic::experimental_stepvector>())) {
131     auto *Ty = Start->getType()->getScalarType();
137   auto *BO = dyn_cast<BinaryOperator>(Start);
159   std::tie(Start, Stride) = matchStridedStart(BO->getOperand(OtherIndex),
161   if (!Start)
176     Start = Builder.CreateAdd(Start, Splat);
179     Start = Builder.CreateMul(Start, Splat);
183     Start = Builder.CreateShl(Start, Splat);
188   return std::make_pair(Start, Stride);
207     Value *Step, *Start;
208     if (!matchSimpleRecurrence(Phi, Inc, Start, Step) ||
225     std::tie(Start, Stride) = matchStridedStart(Start, Builder);
226     if (!Start)
232         PHINode::Create(Start->getType(), 2, Phi->getName() + ".scalar", Phi->getIterator());
235     BasePtr->addIncoming(Start, Phi->getIncomingBlock(1 - IncrementingBlock));
292   // Locate the Step and Start values from the recurrence.
296   Value *Start = BasePtr->getOperand(StartBlock);
310     Start = Builder.CreateAdd(Start, SplatOp, "start");
314     Start = Builder.CreateMul(Start, SplatOp, "start");
320     Start = Builder.CreateShl(Start, SplatOp, "start");
328   BasePtr->setIncomingValue(StartBlock, Start);
423   auto [Start, Stride] = matchStridedStart(VecIndex, Builder);
424   if (Start) {
429     Ops[*VecOperand] = Start;