264   bool isSupportedStep(const SCEV* Step);
502 bool LoopPredication::isSupportedStep(const SCEV* Step) {  in isSupportedStep()  argument
503   return Step->isOne() || (Step->isAllOnesValue() && EnableCountDownLoop);  in isSupportedStep()
702   auto *Step = RangeCheckIV->getStepRecurrence(*SE);  in widenICmpRangeCheck()  local
705   if (!isSupportedStep(Step)) {  in widenICmpRangeCheck()
721   assert(Step->getType() ==  in widenICmpRangeCheck()
724   if (Step != CurrLatchCheck.IV->getStepRecurrence(*SE)) {  in widenICmpRangeCheck()
729   if (Step->isOne())  in widenICmpRangeCheck()
733     assert(Step->isAllOnesValue() && "Step should be -1!");  in widenICmpRangeCheck()
886   auto *Step = Result->IV->getStepRecurrence(*SE);  in parseLoopLatchICmp()  local
887   if (!isSupportedStep(Step)) {  in parseLoopLatchICmp()
888     LLVM_DEBUG(dbgs() << "Unsupported loop stride(" << *Step << ")!\n");  in parseLoopLatchICmp()
892   auto IsUnsupportedPredicate = [](const SCEV *Step, ICmpInst::Predicate Pred) {  in parseLoopLatchICmp()  argument
893     if (Step->isOne()) {  in parseLoopLatchICmp()
897       assert(Step->isAllOnesValue() && "Step should be -1!");  in parseLoopLatchICmp()
904   if (IsUnsupportedPredicate(Step, Result->Pred)) {  in parseLoopLatchICmp()