274   bool isSupportedStep(const SCEV* Step);
478 bool LoopPredication::isSupportedStep(const SCEV* Step) {  in isSupportedStep()  argument
479   return Step->isOne() || (Step->isAllOnesValue() && EnableCountDownLoop);  in isSupportedStep()
680   auto *Step = RangeCheckIV->getStepRecurrence(*SE);  in widenICmpRangeCheck()  local
683   if (!isSupportedStep(Step)) {  in widenICmpRangeCheck()
699   assert(Step->getType() ==  in widenICmpRangeCheck()
702   if (Step != CurrLatchCheck.IV->getStepRecurrence(*SE)) {  in widenICmpRangeCheck()
707   if (Step->isOne())  in widenICmpRangeCheck()
711     assert(Step->isAllOnesValue() && "Step should be -1!");  in widenICmpRangeCheck()
848   auto *Step = Result->IV->getStepRecurrence(*SE);  in parseLoopLatchICmp()  local
849   if (!isSupportedStep(Step)) {  in parseLoopLatchICmp()
850     LLVM_DEBUG(dbgs() << "Unsupported loop stride(" << *Step << ")!\n");  in parseLoopLatchICmp()
854   auto IsUnsupportedPredicate = [](const SCEV *Step, ICmpInst::Predicate Pred) {  in parseLoopLatchICmp()  argument
855     if (Step->isOne()) {  in parseLoopLatchICmp()
859       assert(Step->isAllOnesValue() && "Step should be -1!");  in parseLoopLatchICmp()
866   if (IsUnsupportedPredicate(Step, Result->Pred)) {  in parseLoopLatchICmp()