LLVM: llvm::ElementCount Class Reference (original) (raw)
#include "[llvm/Support/TypeSize.h](TypeSize%5F8h%5Fsource.html)"
Inheritance diagram for llvm::ElementCount:
| Public Member Functions | |
|---|---|
| constexpr | ElementCount () |
| constexpr bool | isScalar () const |
| Exactly one element. | |
| constexpr bool | isVector () const |
| One or more elements. | |
| Public Member Functions inherited from llvm::details::FixedOrScalableQuantity< ElementCount, unsigned > | |
| constexpr bool | operator== (const FixedOrScalableQuantity &RHS) const |
| constexpr bool | operator!= (const FixedOrScalableQuantity &RHS) const |
| constexpr bool | isZero () const |
| constexpr bool | isNonZero () const |
| operator bool () const | |
| constexpr ElementCount | getWithIncrement (ScalarTy RHS) const |
| Add RHS to the underlying quantity. | |
| constexpr ScalarTy | getKnownMinValue () const |
| Returns the minimum value this quantity can represent. | |
| constexpr bool | isScalable () const |
| Returns whether the quantity is scaled by a runtime quantity (vscale). | |
| constexpr bool | isFixed () const |
| Returns true if the quantity is not scaled by vscale. | |
| constexpr bool | isKnownEven () const |
| A return value of true indicates we know at compile time that the number of elements (vscale * Min) is definitely even. | |
| constexpr bool | isKnownMultipleOf (ScalarTy RHS) const |
| This function tells the caller whether the element count is known at compile time to be a multiple of the scalar value RHS. | |
| constexpr ScalarTy | getFixedValue () const |
| constexpr ElementCount | divideCoefficientBy (ScalarTy RHS) const |
| We do not provide the '/' operator here because division for polynomial types does not work in the same way as for normal integer types. | |
| constexpr ElementCount | multiplyCoefficientBy (ScalarTy RHS) const |
| constexpr ElementCount | coefficientNextPowerOf2 () const |
| constexpr bool | hasKnownScalarFactor (const FixedOrScalableQuantity &RHS) const |
| Returns true if there exists a value X where RHS.multiplyCoefficientBy(X) will result in a value whose quantity matches our own. | |
| constexpr ScalarTy | getKnownScalarFactor (const FixedOrScalableQuantity &RHS) const |
| Returns a value X where RHS.multiplyCoefficientBy(X) will result in a value whose quantity matches our own. | |
| void | print (raw_ostream &OS) const |
| Printing function. |
| Static Public Member Functions | |
|---|---|
| static constexpr ElementCount | getFixed (ScalarTy MinVal) |
| static constexpr ElementCount | getScalable (ScalarTy MinVal) |
| static constexpr ElementCount | get (ScalarTy MinVal, bool Scalable) |
| Static Public Member Functions inherited from llvm::details::FixedOrScalableQuantity< ElementCount, unsigned > | |
| static constexpr bool | isKnownLT (const FixedOrScalableQuantity &LHS, const FixedOrScalableQuantity &RHS) |
| static constexpr bool | isKnownGT (const FixedOrScalableQuantity &LHS, const FixedOrScalableQuantity &RHS) |
| static constexpr bool | isKnownLE (const FixedOrScalableQuantity &LHS, const FixedOrScalableQuantity &RHS) |
| static constexpr bool | isKnownGE (const FixedOrScalableQuantity &LHS, const FixedOrScalableQuantity &RHS) |
| Additional Inherited Members | |
|---|---|
| Public Types inherited from llvm::details::FixedOrScalableQuantity< ElementCount, unsigned > | |
| using | ScalarTy |
| Protected Member Functions inherited from llvm::details::FixedOrScalableQuantity< ElementCount, unsigned > | |
| constexpr | FixedOrScalableQuantity ()=default |
| Protected Attributes inherited from llvm::details::FixedOrScalableQuantity< ElementCount, unsigned > | |
| ScalarTy | Quantity |
| bool | Scalable |
Detailed Description
Constructor & Destructor Documentation
| llvm::ElementCount::ElementCount ( ) | inlineconstexpr |
|---|
Member Function Documentation
◆ get()
Definition at line 315 of file TypeSize.h.
References ElementCount(), and llvm::details::FixedOrScalableQuantity< ElementCount, unsigned >::Scalable.
Referenced by llvm::ConstantFoldShuffleVectorInstruction(), determineVPlanVF(), llvm::sandboxir::VectorType::get(), llvm::VectorType::get(), llvm::LLT::getElementCount(), llvm::VectorType::getElementCount(), llvm::getGCDType(), llvm::getLCMType(), llvm::TargetTransformInfoImplBase::getMinimumVF(), llvm::getOptionalElementCountLoopAttribute(), llvm::EVT::getPow2VectorType(), llvm::MVT::getPow2VectorType(), llvm::Intrinsic::IITDescriptor::getVector(), llvm::MVT::getVectorElementCount(), llvm::LoopVectorizeHints::getWidth(), and llvm::LegalizerHelper::moreElementsVector().
◆ getFixed()
Definition at line 309 of file TypeSize.h.
References ElementCount().
Referenced by addMappingsFromTLI(), llvm::AMDGPULegalizerInfo::AMDGPULegalizerInfo(), llvm::LegalizerHelper::bitcastExtractVectorElt(), bitcastToVectorElement32(), llvm::calculateRegisterUsageForPlan(), llvm::CastInst::castIsValid(), llvm::LegalizeMutations::changeElementCountTo(), llvm::LegalizeRuleSet::clampMaxNumElements(), llvm::LoopVectorizationPlanner::computeBestVF(), llvm::VPInstruction::computeCost(), llvm::VPReplicateRecipe::computeCost(), llvm::LoopVectorizationCostModel::computeMaxVF(), llvm::IRBuilderBase::CreateVectorSplat(), llvm::VectorizationFactor::Disabled(), llvm::EpilogueVectorizerMainLoop::emitIterationCountCheck(), expand16BitIsFinite(), expand16BitIsInf(), expand16BitIsNaN(), expand16BitIsNormal(), expandAbs(), expandAnyOrAllIntrinsic(), expandBufferStoreIntrinsic(), expandExpIntrinsic(), expandLogIntrinsic(), expandStepIntrinsic(), fewerEltsToSize64Vector(), llvm::LLT::fixed_vector(), llvm::LLT::fixed_vector(), slpvectorizer::BoUpSLP::ShuffleCostEstimator::gather(), getBitcastRegisterType(), getCopyToPartsVector(), llvm::getCoverTy(), llvm::ConstantAggregateZero::getElementCount(), llvm::ConstantExpr::getGetElementPtr(), llvm::LoopVectorizationCostModel::getInstructionCost(), llvm::BasicTTIImplBase< BasicTTIImpl >::getIntrinsicInstrCost(), llvm::HexagonTTIImpl::getMinimumVF(), getNarrowTypeBreakDown(), getPow2VectorType(), llvm::ConstantDataVector::getRaw(), llvm::VFShape::getScalarShape(), slpvectorizer::BoUpSLP::LookAheadHeuristics::getShallowScore(), llvm::AArch64TTIImpl::getShuffleCost(), getSmallBestKnownTC(), getSmallConstantTripCount(), llvm::ConstantDataVector::getSplat(), llvm::DenseMapInfo< ElementCount, void >::getTombstoneKey(), getVectorCallCosts(), llvm::TargetLoweringBase::getVectorTypeBreakdown(), llvm::AArch64TargetLowering::getVectorTypeBreakdownForCallingConv(), getVectorTypeBreakdownMVT(), llvm::TargetLibraryInfoImpl::getWidestVF(), llvm::VPlan::hasScalarVFOnly(), isOutsideLoopWorkProfitable(), llvm::isTLIScalarize(), llvm::AMDGPULegalizerInfo::legalizeImageIntrinsic(), llvm::AMDGPULegalizerInfo::legalizeLaneOp(), llvm::LLT::LLT(), llvm::LoopVectorizeHints::LoopVectorizeHints(), mutationIsSane(), numVectorEltsOrZero(), performVSelectCombine(), llvm::LoopVectorizationPlanner::plan(), llvm::LoopVectorizationPlanner::planInVPlanNativePath(), llvm::LLT::pointer(), replaceWithCallToVeclib(), llvm::LoopVectorizePass::runImpl(), llvm::LLT::scalar(), llvm::LoopVectorizationPlanner::selectEpilogueVectorizationFactor(), llvm::LoopVectorizationCostModel::setCostBasedWideningDecision(), llvm::SPIRVLegalizerInfo::SPIRVLegalizerInfo(), splitUnequalType(), llvm::LLT::token(), llvm::toVectorTy(), llvm::VFABI::tryDemangleForVFABI(), llvm::LegalizationArtifactCombiner::tryFoldUnmergeCast(), llvm::LoopVectorizeHints::vectorizeAnalysisPassName(), and widenToNextPowerOf2().
◆ getScalable()
Definition at line 312 of file TypeSize.h.
References ElementCount().
Referenced by llvm::VPlanTransforms::addExitUsersForFirstOrderRecurrences(), addMappingsFromTLI(), llvm::VPInstruction::computeCost(), llvm::LoopVectorizationCostModel::computeMaxVF(), llvm::AArch64TTIImpl::getArithmeticInstrCost(), llvm::AArch64TTIImpl::getArithmeticReductionCost(), getElementCountForTy(), llvm::DenseMapInfo< ElementCount, void >::getEmptyKey(), llvm::AArch64TTIImpl::getGatherScatterOpCost(), llvm::AArch64TTIImpl::getIntrinsicInstrCost(), llvm::AArch64TTIImpl::getMaskedMemoryOpCost(), getMaxValueForSVECntIntrinsic(), llvm::AArch64TTIImpl::getMemoryOpCost(), llvm::AArch64TTIImpl::getMinMaxReductionCost(), getScalableECFromSignature(), getSmallConstantTripCount(), llvm::AArch64TTIImpl::getSpliceCost(), llvm::TargetLoweringBase::getTypeConversion(), llvm::TargetLibraryInfoImpl::getWidestVF(), instCombineSMECntsd(), instCombineSVECntElts(), llvm::isTLIScalarize(), LowerSVEIntrinsicEXT(), llvm::VPlanTransforms::narrowInterleaveGroups(), llvm::LoopVectorizationPlanner::plan(), llvm::LLT::scalable_vector(), and llvm::LLT::scalable_vector().
◆ isScalar()
| bool llvm::ElementCount::isScalar ( ) const | inlineconstexpr |
|---|
Exactly one element.
Definition at line 320 of file TypeSize.h.
References llvm::details::FixedOrScalableQuantity< ElementCount, unsigned >::getKnownMinValue(), and llvm::details::FixedOrScalableQuantity< ElementCount, unsigned >::isScalable().
Referenced by llvm::LoopVectorizationCostModel::collectNonVectorizedAndSetWideningDecisions(), llvm::LoopVectorizationPlanner::computeBestVF(), llvm::VPFirstOrderRecurrencePHIRecipe::computeCost(), llvm::VPInstruction::computeCost(), llvm::VPWidenCastRecipe::computeCost(), llvm::LoopVectorizationCostModel::computeMaxVF(), llvm::VPWidenCanonicalIVRecipe::execute(), llvm::LoopVectorizationPlanner::executePlan(), llvm::LoopVectorizationCostModel::expectedCost(), llvm::LoopVectorizationCostModel::getCallWideningDecision(), getCopyToPartsVector(), llvm::LoopVectorizationCostModel::getInstructionCost(), llvm::BasicTTIImplBase< BasicTTIImpl >::getIntrinsicInstrCost(), llvm::GCNTTIImpl::getMaxInterleaveFactor(), llvm::R600TTIImpl::getMaxInterleaveFactor(), llvm::RISCVTTIImpl::getMaxInterleaveFactor(), llvm::X86TTIImpl::getMaxInterleaveFactor(), llvm::AArch64TargetLowering::getNumRegistersForCallingConv(), llvm::TargetLoweringBase::getPreferredVectorAction(), llvm::LoopVectorizationCostModel::getReductionPatternCost(), llvm::AArch64TargetLowering::getRegisterTypeForCallingConv(), llvm::VPCostContext::getScalarizationOverhead(), llvm::TargetLoweringBase::getTypeConversion(), llvm::LoopVectorizationCostModel::getVectorCallCost(), llvm::TargetLoweringBase::getVectorTypeBreakdown(), isOutsideLoopWorkProfitable(), llvm::LoopVectorizationCostModel::isScalarAfterVectorization(), llvm::LoopVectorizationCostModel::isScalarWithPredication(), llvm::LoopVectorizationLegality::isUniform(), llvm::LoopVectorizationCostModel::isUniformAfterVectorization(), maybeVectorizeType(), llvm::LoopVectorizationPlanner::planInVPlanNativePath(), llvm::LoopVectorizePass::processLoop(), llvm::LoopVectorizationPlanner::selectInterleaveCount(), llvm::LoopVectorizationCostModel::setCallWideningDecision(), llvm::LoopVectorizationCostModel::setCostBasedWideningDecision(), llvm::LoopVectorizationCostModel::setVectorizedCallDecision(), and llvm::VPRecipeBuilder::tryToCreateWidenRecipe().
◆ isVector()
| bool llvm::ElementCount::isVector ( ) const | inlineconstexpr |
|---|
One or more elements.
Definition at line 324 of file TypeSize.h.
References llvm::details::FixedOrScalableQuantity< ElementCount, unsigned >::getKnownMinValue(), and llvm::details::FixedOrScalableQuantity< ElementCount, unsigned >::isScalable().
Referenced by llvm::LoopVectorizationPlanner::addMinimumIterationCheck(), llvm::calculateRegisterUsageForPlan(), llvm::LoopVectorizationCostModel::canTruncateToMinimalBitwidth(), llvm::LoopVectorizationCostModel::collectInstsToScalarize(), llvm::VPHistogramRecipe::computeCost(), llvm::VPInstruction::computeCost(), llvm::VPRecipeBase::cost(), llvm::VPRegionBlock::cost(), llvm::VPWidenCanonicalIVRecipe::execute(), llvm::LoopVectorizationPlanner::executePlan(), llvm::LoopVectorizationCostModel::expectedCost(), getCostForIntrinsics(), llvm::VPRecipeWithIRFlags::getCostForRecipeWithOpcode(), llvm::LoopVectorizationCostModel::getInstructionCost(), llvm::BasicTTIImplBase< BasicTTIImpl >::getIntrinsicInstrCost(), llvm::VPUnrollPartAccessor< 1 >::getUnrollPart(), llvm::LoopVectorizationCostModel::getWideningCost(), llvm::LoopVectorizationCostModel::getWideningDecision(), llvm::LoopVectorizationCostModel::isLegalGatherOrScatter(), llvm::LoopVectorizationCostModel::isProfitableToScalarize(), llvm::LoopVectorizationCostModel::isScalarWithPredication(), preparePlanForEpilogueVectorLoop(), llvm::LoopVectorizePass::processLoop(), llvm::LoopVectorizationPlanner::selectInterleaveCount(), llvm::LoopVectorizationCostModel::setVectorizedCallDecision(), llvm::LoopVectorizationCostModel::setWideningDecision(), llvm::LoopVectorizationCostModel::setWideningDecision(), tryToReplaceALMWithWideALM(), and willGenerateVectors().
The documentation for this class was generated from the following file:
- include/llvm/Support/TypeSize.h