LLVM  17.0.0git
Public Types | Public Member Functions | List of all members
llvm::RISCVTTIImpl Class Reference

#include "Target/RISCV/RISCVTargetTransformInfo.h"

Inheritance diagram for llvm::RISCVTTIImpl:
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Collaboration diagram for llvm::RISCVTTIImpl:
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Public Types

enum  RISCVRegisterClass { GPRRC, FPRRC, VRRC }
 

Public Member Functions

 RISCVTTIImpl (const RISCVTargetMachine *TM, const Function &F)
 
InstructionCost getStoreImmCost (Type *VecTy, TTI::OperandValueInfo OpInfo, TTI::TargetCostKind CostKind)
 Return the cost of materializing an immediate for a value operand of a store instruction. More...
 
InstructionCost getIntImmCost (const APInt &Imm, Type *Ty, TTI::TargetCostKind CostKind)
 
InstructionCost getIntImmCostInst (unsigned Opcode, unsigned Idx, const APInt &Imm, Type *Ty, TTI::TargetCostKind CostKind, Instruction *Inst=nullptr)
 
InstructionCost getIntImmCostIntrin (Intrinsic::ID IID, unsigned Idx, const APInt &Imm, Type *Ty, TTI::TargetCostKind CostKind)
 
TargetTransformInfo::PopcntSupportKind getPopcntSupport (unsigned TyWidth)
 
bool shouldExpandReduction (const IntrinsicInst *II) const
 
bool supportsScalableVectors () const
 
bool enableScalableVectorization () const
 
PredicationStyle emitGetActiveLaneMask () const
 
std::optional< unsigned > getMaxVScale () const
 
std::optional< unsigned > getVScaleForTuning () const
 
TypeSize getRegisterBitWidth (TargetTransformInfo::RegisterKind K) const
 
unsigned getRegUsageForType (Type *Ty)
 
unsigned getMaximumVF (unsigned ElemWidth, unsigned Opcode) const
 
bool preferEpilogueVectorization () const
 
InstructionCost getMaskedMemoryOpCost (unsigned Opcode, Type *Src, Align Alignment, unsigned AddressSpace, TTI::TargetCostKind CostKind)
 
void getUnrollingPreferences (Loop *L, ScalarEvolution &SE, TTI::UnrollingPreferences &UP, OptimizationRemarkEmitter *ORE)
 
void getPeelingPreferences (Loop *L, ScalarEvolution &SE, TTI::PeelingPreferences &PP)
 
unsigned getMinVectorRegisterBitWidth () const
 
InstructionCost getSpliceCost (VectorType *Tp, int Index)
 
InstructionCost getShuffleCost (TTI::ShuffleKind Kind, VectorType *Tp, ArrayRef< int > Mask, TTI::TargetCostKind CostKind, int Index, VectorType *SubTp, ArrayRef< const Value * > Args=std::nullopt)
 
InstructionCost getIntrinsicInstrCost (const IntrinsicCostAttributes &ICA, TTI::TargetCostKind CostKind)
 
InstructionCost getGatherScatterOpCost (unsigned Opcode, Type *DataTy, const Value *Ptr, bool VariableMask, Align Alignment, TTI::TargetCostKind CostKind, const Instruction *I)
 
InstructionCost getCastInstrCost (unsigned Opcode, Type *Dst, Type *Src, TTI::CastContextHint CCH, TTI::TargetCostKind CostKind, const Instruction *I=nullptr)
 
InstructionCost getMinMaxReductionCost (VectorType *Ty, VectorType *CondTy, bool IsUnsigned, TTI::TargetCostKind CostKind)
 
InstructionCost getArithmeticReductionCost (unsigned Opcode, VectorType *Ty, std::optional< FastMathFlags > FMF, TTI::TargetCostKind CostKind)
 
InstructionCost getExtendedReductionCost (unsigned Opcode, bool IsUnsigned, Type *ResTy, VectorType *ValTy, std::optional< FastMathFlags > FMF, TTI::TargetCostKind CostKind)
 
InstructionCost getMemoryOpCost (unsigned Opcode, Type *Src, MaybeAlign Alignment, unsigned AddressSpace, TTI::TargetCostKind CostKind, TTI::OperandValueInfo OpdInfo={TTI::OK_AnyValue, TTI::OP_None}, const Instruction *I=nullptr)
 
InstructionCost getCmpSelInstrCost (unsigned Opcode, Type *ValTy, Type *CondTy, CmpInst::Predicate VecPred, TTI::TargetCostKind CostKind, const Instruction *I=nullptr)
 
InstructionCost getVectorInstrCost (unsigned Opcode, Type *Val, TTI::TargetCostKind CostKind, unsigned Index, Value *Op0, Value *Op1)
 
InstructionCost getArithmeticInstrCost (unsigned Opcode, Type *Ty, TTI::TargetCostKind CostKind, TTI::OperandValueInfo Op1Info={TTI::OK_AnyValue, TTI::OP_None}, TTI::OperandValueInfo Op2Info={TTI::OK_AnyValue, TTI::OP_None}, ArrayRef< const Value * > Args=ArrayRef< const Value * >(), const Instruction *CxtI=nullptr)
 
bool isElementTypeLegalForScalableVector (Type *Ty) const
 
bool isLegalMaskedLoadStore (Type *DataType, Align Alignment)
 
bool isLegalMaskedLoad (Type *DataType, Align Alignment)
 
bool isLegalMaskedStore (Type *DataType, Align Alignment)
 
bool isLegalMaskedGatherScatter (Type *DataType, Align Alignment)
 
bool isLegalMaskedGather (Type *DataType, Align Alignment)
 
bool isLegalMaskedScatter (Type *DataType, Align Alignment)
 
bool forceScalarizeMaskedGather (VectorType *VTy, Align Alignment)
 
bool forceScalarizeMaskedScatter (VectorType *VTy, Align Alignment)
 
TargetTransformInfo::VPLegalization getVPLegalizationStrategy (const VPIntrinsic &PI) const
 
bool isLegalToVectorizeReduction (const RecurrenceDescriptor &RdxDesc, ElementCount VF) const
 
unsigned getMaxInterleaveFactor (unsigned VF)
 
unsigned getNumberOfRegisters (unsigned ClassID) const
 
unsigned getRegisterClassForType (bool Vector, Type *Ty=nullptr) const
 
const char * getRegisterClassName (unsigned ClassID) const
 
bool isLSRCostLess (const TargetTransformInfo::LSRCost &C1, const TargetTransformInfo::LSRCost &C2)
 
- Public Member Functions inherited from llvm::BasicTTIImplBase< RISCVTTIImpl >
bool allowsMisalignedMemoryAccesses (LLVMContext &Context, unsigned BitWidth, unsigned AddressSpace, Align Alignment, unsigned *Fast) const
 
bool hasBranchDivergence ()
 
bool useGPUDivergenceAnalysis ()
 
bool isSourceOfDivergence (const Value *V)
 
bool isAlwaysUniform (const Value *V)
 
unsigned getFlatAddressSpace ()
 
bool collectFlatAddressOperands (SmallVectorImpl< int > &OpIndexes, Intrinsic::ID IID) const
 
bool isNoopAddrSpaceCast (unsigned FromAS, unsigned ToAS) const
 
unsigned getAssumedAddrSpace (const Value *V) const
 
bool isSingleThreaded () const
 
std::pair< const Value *, unsigned > getPredicatedAddrSpace (const Value *V) const
 
Value * rewriteIntrinsicWithAddressSpace (IntrinsicInst *II, Value *OldV, Value *NewV) const
 
bool isLegalAddImmediate (int64_t imm)
 
bool isLegalICmpImmediate (int64_t imm)
 
bool isLegalAddressingMode (Type *Ty, GlobalValue *BaseGV, int64_t BaseOffset, bool HasBaseReg, int64_t Scale, unsigned AddrSpace, Instruction *I=nullptr)
 
unsigned getStoreMinimumVF (unsigned VF, Type *ScalarMemTy, Type *ScalarValTy) const
 
bool isIndexedLoadLegal (TTI::MemIndexedMode M, Type *Ty, const DataLayout &DL) const
 
bool isIndexedStoreLegal (TTI::MemIndexedMode M, Type *Ty, const DataLayout &DL) const
 
bool isLSRCostLess (TTI::LSRCost C1, TTI::LSRCost C2)
 
bool isNumRegsMajorCostOfLSR ()
 
bool isProfitableLSRChainElement (Instruction *I)
 
InstructionCost getScalingFactorCost (Type *Ty, GlobalValue *BaseGV, int64_t BaseOffset, bool HasBaseReg, int64_t Scale, unsigned AddrSpace)
 
bool isTruncateFree (Type *Ty1, Type *Ty2)
 
bool isProfitableToHoist (Instruction *I)
 
bool useAA () const
 
bool isTypeLegal (Type *Ty)
 
unsigned getRegUsageForType (Type *Ty)
 
InstructionCost getGEPCost (Type *PointeeType, const Value *Ptr, ArrayRef< const Value * > Operands, TTI::TargetCostKind CostKind)
 
unsigned getEstimatedNumberOfCaseClusters (const SwitchInst &SI, unsigned &JumpTableSize, ProfileSummaryInfo *PSI, BlockFrequencyInfo *BFI)
 
bool shouldBuildLookupTables ()
 
bool shouldBuildRelLookupTables () const
 
bool haveFastSqrt (Type *Ty)
 
bool isFCmpOrdCheaperThanFCmpZero (Type *Ty)
 
InstructionCost getFPOpCost (Type *Ty)
 
unsigned getInliningThresholdMultiplier ()
 
unsigned adjustInliningThreshold (const CallBase *CB)
 
int getInlinerVectorBonusPercent ()
 
void getUnrollingPreferences (Loop *L, ScalarEvolution &SE, TTI::UnrollingPreferences &UP, OptimizationRemarkEmitter *ORE)
 
void getPeelingPreferences (Loop *L, ScalarEvolution &SE, TTI::PeelingPreferences &PP)
 
bool isHardwareLoopProfitable (Loop *L, ScalarEvolution &SE, AssumptionCache &AC, TargetLibraryInfo *LibInfo, HardwareLoopInfo &HWLoopInfo)
 
bool preferPredicateOverEpilogue (Loop *L, LoopInfo *LI, ScalarEvolution &SE, AssumptionCache &AC, TargetLibraryInfo *TLI, DominatorTree *DT, LoopVectorizationLegality *LVL, InterleavedAccessInfo *IAI)
 
PredicationStyle emitGetActiveLaneMask ()
 
std::optional< Instruction * > instCombineIntrinsic (InstCombiner &IC, IntrinsicInst &II)
 
std::optional< Value * > simplifyDemandedUseBitsIntrinsic (InstCombiner &IC, IntrinsicInst &II, APInt DemandedMask, KnownBits &Known, bool &KnownBitsComputed)
 
std::optional< Value * > simplifyDemandedVectorEltsIntrinsic (InstCombiner &IC, IntrinsicInst &II, APInt DemandedElts, APInt &UndefElts, APInt &UndefElts2, APInt &UndefElts3, std::function< void(Instruction *, unsigned, APInt, APInt &)> SimplifyAndSetOp)
 
virtual std::optional< unsigned > getCacheSize (TargetTransformInfo::CacheLevel Level) const
 
virtual std::optional< unsigned > getCacheAssociativity (TargetTransformInfo::CacheLevel Level) const
 
virtual unsigned getCacheLineSize () const
 
virtual unsigned getPrefetchDistance () const
 
virtual unsigned getMinPrefetchStride (unsigned NumMemAccesses, unsigned NumStridedMemAccesses, unsigned NumPrefetches, bool HasCall) const
 
virtual unsigned getMaxPrefetchIterationsAhead () const
 
virtual bool enableWritePrefetching () const
 
virtual bool shouldPrefetchAddressSpace (unsigned AS) const
 
TypeSize getRegisterBitWidth (TargetTransformInfo::RegisterKind K) const
 
std::optional< unsigned > getMaxVScale () const
 
std::optional< unsigned > getVScaleForTuning () const
 
InstructionCost getScalarizationOverhead (VectorType *InTy, const APInt &DemandedElts, bool Insert, bool Extract, TTI::TargetCostKind CostKind)
 Estimate the overhead of scalarizing an instruction. More...
 
InstructionCost getScalarizationOverhead (VectorType *InTy, bool Insert, bool Extract, TTI::TargetCostKind CostKind)
 Helper wrapper for the DemandedElts variant of getScalarizationOverhead. More...
 
InstructionCost getScalarizationOverhead (VectorType *RetTy, ArrayRef< const Value * > Args, ArrayRef< Type * > Tys, TTI::TargetCostKind CostKind)
 Estimate the overhead of scalarizing the inputs and outputs of an instruction, with return type RetTy and arguments Args of type Tys. More...
 
InstructionCost getOperandsScalarizationOverhead (ArrayRef< const Value * > Args, ArrayRef< Type * > Tys, TTI::TargetCostKind CostKind)
 Estimate the overhead of scalarizing an instructions unique non-constant operands. More...
 
std::pair< InstructionCost, MVT > getTypeLegalizationCost (Type *Ty) const
 Estimate the cost of type-legalization and the legalized type. More...
 
unsigned getMaxInterleaveFactor (unsigned VF)
 
InstructionCost getArithmeticInstrCost (unsigned Opcode, Type *Ty, TTI::TargetCostKind CostKind, TTI::OperandValueInfo Opd1Info={TTI::OK_AnyValue, TTI::OP_None}, TTI::OperandValueInfo Opd2Info={TTI::OK_AnyValue, TTI::OP_None}, ArrayRef< const Value * > Args=ArrayRef< const Value * >(), const Instruction *CxtI=nullptr)
 
TTI::ShuffleKind improveShuffleKindFromMask (TTI::ShuffleKind Kind, ArrayRef< int > Mask) const
 
InstructionCost getShuffleCost (TTI::ShuffleKind Kind, VectorType *Tp, ArrayRef< int > Mask, TTI::TargetCostKind CostKind, int Index, VectorType *SubTp, ArrayRef< const Value * > Args=std::nullopt)
 
InstructionCost getCastInstrCost (unsigned Opcode, Type *Dst, Type *Src, TTI::CastContextHint CCH, TTI::TargetCostKind CostKind, const Instruction *I=nullptr)
 
InstructionCost getExtractWithExtendCost (unsigned Opcode, Type *Dst, VectorType *VecTy, unsigned Index)
 
InstructionCost getCFInstrCost (unsigned Opcode, TTI::TargetCostKind CostKind, const Instruction *I=nullptr)
 
InstructionCost getCmpSelInstrCost (unsigned Opcode, Type *ValTy, Type *CondTy, CmpInst::Predicate VecPred, TTI::TargetCostKind CostKind, const Instruction *I=nullptr)
 
InstructionCost getVectorInstrCost (unsigned Opcode, Type *Val, TTI::TargetCostKind CostKind, unsigned Index, Value *Op0, Value *Op1)
 
InstructionCost getVectorInstrCost (const Instruction &I, Type *Val, TTI::TargetCostKind CostKind, unsigned Index)
 
InstructionCost getReplicationShuffleCost (Type *EltTy, int ReplicationFactor, int VF, const APInt &DemandedDstElts, TTI::TargetCostKind CostKind)
 
InstructionCost getMemoryOpCost (unsigned Opcode, Type *Src, MaybeAlign Alignment, unsigned AddressSpace, TTI::TargetCostKind CostKind, TTI::OperandValueInfo OpInfo={TTI::OK_AnyValue, TTI::OP_None}, const Instruction *I=nullptr)
 
InstructionCost getMaskedMemoryOpCost (unsigned Opcode, Type *DataTy, Align Alignment, unsigned AddressSpace, TTI::TargetCostKind CostKind)
 
InstructionCost getGatherScatterOpCost (unsigned Opcode, Type *DataTy, const Value *Ptr, bool VariableMask, Align Alignment, TTI::TargetCostKind CostKind, const Instruction *I=nullptr)
 
InstructionCost getInterleavedMemoryOpCost (unsigned Opcode, Type *VecTy, unsigned Factor, ArrayRef< unsigned > Indices, Align Alignment, unsigned AddressSpace, TTI::TargetCostKind CostKind, bool UseMaskForCond=false, bool UseMaskForGaps=false)
 
InstructionCost getIntrinsicInstrCost (const IntrinsicCostAttributes &ICA, TTI::TargetCostKind CostKind)
 Get intrinsic cost based on arguments. More...
 
InstructionCost getTypeBasedIntrinsicInstrCost (const IntrinsicCostAttributes &ICA, TTI::TargetCostKind CostKind)
 Get intrinsic cost based on argument types. More...
 
InstructionCost getCallInstrCost (Function *F, Type *RetTy, ArrayRef< Type * > Tys, TTI::TargetCostKind CostKind)
 Compute a cost of the given call instruction. More...
 
unsigned getNumberOfParts (Type *Tp)
 
InstructionCost getAddressComputationCost (Type *Ty, ScalarEvolution *, const SCEV *)
 
InstructionCost getTreeReductionCost (unsigned Opcode, VectorType *Ty, TTI::TargetCostKind CostKind)
 Try to calculate arithmetic and shuffle op costs for reduction intrinsics. More...
 
InstructionCost getOrderedReductionCost (unsigned Opcode, VectorType *Ty, TTI::TargetCostKind CostKind)
 Try to calculate the cost of performing strict (in-order) reductions, which involves doing a sequence of floating point additions in lane order, starting with an initial value. More...
 
InstructionCost getArithmeticReductionCost (unsigned Opcode, VectorType *Ty, std::optional< FastMathFlags > FMF, TTI::TargetCostKind CostKind)
 
InstructionCost getMinMaxReductionCost (VectorType *Ty, VectorType *CondTy, bool IsUnsigned, TTI::TargetCostKind CostKind)
 Try to calculate op costs for min/max reduction operations. More...
 
InstructionCost getExtendedReductionCost (unsigned Opcode, bool IsUnsigned, Type *ResTy, VectorType *Ty, std::optional< FastMathFlags > FMF, TTI::TargetCostKind CostKind)
 
InstructionCost getMulAccReductionCost (bool IsUnsigned, Type *ResTy, VectorType *Ty, TTI::TargetCostKind CostKind)
 
InstructionCost getVectorSplitCost ()
 
- Public Member Functions inherited from llvm::TargetTransformInfoImplCRTPBase< RISCVTTIImpl >
InstructionCost getGEPCost (Type *PointeeType, const Value *Ptr, ArrayRef< const Value * > Operands, TTI::TargetCostKind CostKind)
 
InstructionCost getGEPCost (Type *PointeeType, const Value *Ptr, ArrayRef< const Value * > Operands, TTI::TargetCostKind CostKind) const
 
InstructionCost getInstructionCost (const User *U, ArrayRef< const Value * > Operands, TTI::TargetCostKind CostKind)
 
bool isExpensiveToSpeculativelyExecute (const Instruction *I)
 
- Public Member Functions inherited from llvm::TargetTransformInfoImplBase
 TargetTransformInfoImplBase (const TargetTransformInfoImplBase &Arg)=default
 
 TargetTransformInfoImplBase (TargetTransformInfoImplBase &&Arg)
 
const DataLayout & getDataLayout () const
 
InstructionCost getGEPCost (Type *PointeeType, const Value *Ptr, ArrayRef< const Value * > Operands, TTI::TargetCostKind CostKind) const
 
unsigned getEstimatedNumberOfCaseClusters (const SwitchInst &SI, unsigned &JTSize, ProfileSummaryInfo *PSI, BlockFrequencyInfo *BFI) const
 
unsigned getInliningThresholdMultiplier () const
 
unsigned adjustInliningThreshold (const CallBase *CB) const
 
int getInlinerVectorBonusPercent () const
 
InstructionCost getMemcpyCost (const Instruction *I) const
 
BranchProbability getPredictableBranchThreshold () const
 
bool hasBranchDivergence () const
 
bool useGPUDivergenceAnalysis () const
 
bool isSourceOfDivergence (const Value *V) const
 
bool isAlwaysUniform (const Value *V) const
 
unsigned getFlatAddressSpace () const
 
bool collectFlatAddressOperands (SmallVectorImpl< int > &OpIndexes, Intrinsic::ID IID) const
 
bool isNoopAddrSpaceCast (unsigned, unsigned) const
 
bool canHaveNonUndefGlobalInitializerInAddressSpace (unsigned AS) const
 
unsigned getAssumedAddrSpace (const Value *V) const
 
bool isSingleThreaded () const
 
std::pair< const Value *, unsigned > getPredicatedAddrSpace (const Value *V) const
 
Value * rewriteIntrinsicWithAddressSpace (IntrinsicInst *II, Value *OldV, Value *NewV) const
 
bool isLoweredToCall (const Function *F) const
 
bool isHardwareLoopProfitable (Loop *L, ScalarEvolution &SE, AssumptionCache &AC, TargetLibraryInfo *LibInfo, HardwareLoopInfo &HWLoopInfo) const
 
bool preferPredicateOverEpilogue (Loop *L, LoopInfo *LI, ScalarEvolution &SE, AssumptionCache &AC, TargetLibraryInfo *TLI, DominatorTree *DT, LoopVectorizationLegality *LVL, InterleavedAccessInfo *IAI) const
 
PredicationStyle emitGetActiveLaneMask () const
 
std::optional< Instruction * > instCombineIntrinsic (InstCombiner &IC, IntrinsicInst &II) const
 
std::optional< Value * > simplifyDemandedUseBitsIntrinsic (InstCombiner &IC, IntrinsicInst &II, APInt DemandedMask, KnownBits &Known, bool &KnownBitsComputed) const
 
std::optional< Value * > simplifyDemandedVectorEltsIntrinsic (InstCombiner &IC, IntrinsicInst &II, APInt DemandedElts, APInt &UndefElts, APInt &UndefElts2, APInt &UndefElts3, std::function< void(Instruction *, unsigned, APInt, APInt &)> SimplifyAndSetOp) const
 
void getUnrollingPreferences (Loop *, ScalarEvolution &, TTI::UnrollingPreferences &, OptimizationRemarkEmitter *) const
 
void getPeelingPreferences (Loop *, ScalarEvolution &, TTI::PeelingPreferences &) const
 
bool isLegalAddImmediate (int64_t Imm) const
 
bool isLegalICmpImmediate (int64_t Imm) const
 
bool isLegalAddressingMode (Type *Ty, GlobalValue *BaseGV, int64_t BaseOffset, bool HasBaseReg, int64_t Scale, unsigned AddrSpace, Instruction *I=nullptr) const
 
bool isLSRCostLess (const TTI::LSRCost &C1, const TTI::LSRCost &C2) const
 
bool isNumRegsMajorCostOfLSR () const
 
bool isProfitableLSRChainElement (Instruction *I) const
 
bool canMacroFuseCmp () const
 
bool canSaveCmp (Loop *L, BranchInst **BI, ScalarEvolution *SE, LoopInfo *LI, DominatorTree *DT, AssumptionCache *AC, TargetLibraryInfo *LibInfo) const
 
TTI::AddressingModeKind getPreferredAddressingMode (const Loop *L, ScalarEvolution *SE) const
 
bool isLegalMaskedStore (Type *DataType, Align Alignment) const
 
bool isLegalMaskedLoad (Type *DataType, Align Alignment) const
 
bool isLegalNTStore (Type *DataType, Align Alignment) const
 
bool isLegalNTLoad (Type *DataType, Align Alignment) const
 
bool isLegalBroadcastLoad (Type *ElementTy, ElementCount NumElements) const
 
bool isLegalMaskedScatter (Type *DataType, Align Alignment) const
 
bool isLegalMaskedGather (Type *DataType, Align Alignment) const
 
bool forceScalarizeMaskedGather (VectorType *DataType, Align Alignment) const
 
bool forceScalarizeMaskedScatter (VectorType *DataType, Align Alignment) const
 
bool isLegalMaskedCompressStore (Type *DataType) const
 
bool isLegalAltInstr (VectorType *VecTy, unsigned Opcode0, unsigned Opcode1, const SmallBitVector &OpcodeMask) const
 
bool isLegalMaskedExpandLoad (Type *DataType) const
 
bool enableOrderedReductions () const
 
bool hasDivRemOp (Type *DataType, bool IsSigned) const
 
bool hasVolatileVariant (Instruction *I, unsigned AddrSpace) const
 
bool prefersVectorizedAddressing () const
 
InstructionCost getScalingFactorCost (Type *Ty, GlobalValue *BaseGV, int64_t BaseOffset, bool HasBaseReg, int64_t Scale, unsigned AddrSpace) const
 
bool LSRWithInstrQueries () const
 
bool isTruncateFree (Type *Ty1, Type *Ty2) const
 
bool isProfitableToHoist (Instruction *I) const
 
bool useAA () const
 
bool isTypeLegal (Type *Ty) const
 
unsigned getRegUsageForType (Type *Ty) const
 
bool shouldBuildLookupTables () const
 
bool shouldBuildLookupTablesForConstant (Constant *C) const
 
bool shouldBuildRelLookupTables () const
 
bool useColdCCForColdCall (Function &F) const
 
InstructionCost getScalarizationOverhead (VectorType *Ty, const APInt &DemandedElts, bool Insert, bool Extract, TTI::TargetCostKind CostKind) const
 
InstructionCost getOperandsScalarizationOverhead (ArrayRef< const Value * > Args, ArrayRef< Type * > Tys, TTI::TargetCostKind CostKind) const
 
bool supportsEfficientVectorElementLoadStore () const
 
bool supportsTailCalls () const
 
bool supportsTailCallFor (const CallBase *CB) const
 
bool enableAggressiveInterleaving (bool LoopHasReductions) const
 
TTI::MemCmpExpansionOptions enableMemCmpExpansion (bool OptSize, bool IsZeroCmp) const
 
bool enableSelectOptimize () const
 
bool enableInterleavedAccessVectorization () const
 
bool enableMaskedInterleavedAccessVectorization () const
 
bool isFPVectorizationPotentiallyUnsafe () const
 
bool allowsMisalignedMemoryAccesses (LLVMContext &Context, unsigned BitWidth, unsigned AddressSpace, Align Alignment, unsigned *Fast) const
 
TTI::PopcntSupportKind getPopcntSupport (unsigned IntTyWidthInBit) const
 
bool haveFastSqrt (Type *Ty) const
 
bool isExpensiveToSpeculativelyExecute (const Instruction *I)
 
bool isFCmpOrdCheaperThanFCmpZero (Type *Ty) const
 
InstructionCost getFPOpCost (Type *Ty) const
 
InstructionCost getIntImmCodeSizeCost (unsigned Opcode, unsigned Idx, const APInt &Imm, Type *Ty) const
 
InstructionCost getIntImmCost (const APInt &Imm, Type *Ty, TTI::TargetCostKind CostKind) const
 
InstructionCost getIntImmCostInst (unsigned Opcode, unsigned Idx, const APInt &Imm, Type *Ty, TTI::TargetCostKind CostKind, Instruction *Inst=nullptr) const
 
InstructionCost getIntImmCostIntrin (Intrinsic::ID IID, unsigned Idx, const APInt &Imm, Type *Ty, TTI::TargetCostKind CostKind) const
 
unsigned getNumberOfRegisters (unsigned ClassID) const
 
unsigned getRegisterClassForType (bool Vector, Type *Ty=nullptr) const
 
const char * getRegisterClassName (unsigned ClassID) const
 
TypeSize getRegisterBitWidth (TargetTransformInfo::RegisterKind K) const
 
unsigned getMinVectorRegisterBitWidth () const
 
std::optional< unsigned > getMaxVScale () const
 
std::optional< unsigned > getVScaleForTuning () const
 
bool shouldMaximizeVectorBandwidth (TargetTransformInfo::RegisterKind K) const
 
ElementCount getMinimumVF (unsigned ElemWidth, bool IsScalable) const
 
unsigned getMaximumVF (unsigned ElemWidth, unsigned Opcode) const
 
unsigned getStoreMinimumVF (unsigned VF, Type *, Type *) const
 
bool shouldConsiderAddressTypePromotion (const Instruction &I, bool &AllowPromotionWithoutCommonHeader) const
 
unsigned getCacheLineSize () const
 
std::optional< unsigned > getCacheSize (TargetTransformInfo::CacheLevel Level) const
 
std::optional< unsigned > getCacheAssociativity (TargetTransformInfo::CacheLevel Level) const
 
unsigned getPrefetchDistance () const
 
unsigned getMinPrefetchStride (unsigned NumMemAccesses, unsigned NumStridedMemAccesses, unsigned NumPrefetches, bool HasCall) const
 
unsigned getMaxPrefetchIterationsAhead () const
 
bool enableWritePrefetching () const
 
bool shouldPrefetchAddressSpace (unsigned AS) const
 
unsigned getMaxInterleaveFactor (unsigned VF) const
 
InstructionCost getArithmeticInstrCost (unsigned Opcode, Type *Ty, TTI::TargetCostKind CostKind, TTI::OperandValueInfo Opd1Info, TTI::OperandValueInfo Opd2Info, ArrayRef< const Value * > Args, const Instruction *CxtI=nullptr) const
 
InstructionCost getShuffleCost (TTI::ShuffleKind Kind, VectorType *Ty, ArrayRef< int > Mask, TTI::TargetCostKind CostKind, int Index, VectorType *SubTp, ArrayRef< const Value * > Args=std::nullopt) const
 
InstructionCost getCastInstrCost (unsigned Opcode, Type *Dst, Type *Src, TTI::CastContextHint CCH, TTI::TargetCostKind CostKind, const Instruction *I) const
 
InstructionCost getExtractWithExtendCost (unsigned Opcode, Type *Dst, VectorType *VecTy, unsigned Index) const
 
InstructionCost getCFInstrCost (unsigned Opcode, TTI::TargetCostKind CostKind, const Instruction *I=nullptr) const
 
InstructionCost getCmpSelInstrCost (unsigned Opcode, Type *ValTy, Type *CondTy, CmpInst::Predicate VecPred, TTI::TargetCostKind CostKind, const Instruction *I) const
 
InstructionCost getVectorInstrCost (unsigned Opcode, Type *Val, TTI::TargetCostKind CostKind, unsigned Index, Value *Op0, Value *Op1) const
 
InstructionCost getVectorInstrCost (const Instruction &I, Type *Val, TTI::TargetCostKind CostKind, unsigned Index) const
 
unsigned getReplicationShuffleCost (Type *EltTy, int ReplicationFactor, int VF, const APInt &DemandedDstElts, TTI::TargetCostKind CostKind)
 
InstructionCost getMemoryOpCost (unsigned Opcode, Type *Src, Align Alignment, unsigned AddressSpace, TTI::TargetCostKind CostKind, TTI::OperandValueInfo OpInfo, const Instruction *I) const
 
InstructionCost getVPMemoryOpCost (unsigned Opcode, Type *Src, Align Alignment, unsigned AddressSpace, TTI::TargetCostKind CostKind, const Instruction *I) const
 
InstructionCost getMaskedMemoryOpCost (unsigned Opcode, Type *Src, Align Alignment, unsigned AddressSpace, TTI::TargetCostKind CostKind) const
 
InstructionCost getGatherScatterOpCost (unsigned Opcode, Type *DataTy, const Value *Ptr, bool VariableMask, Align Alignment, TTI::TargetCostKind CostKind, const Instruction *I=nullptr) const
 
unsigned getInterleavedMemoryOpCost (unsigned Opcode, Type *VecTy, unsigned Factor, ArrayRef< unsigned > Indices, Align Alignment, unsigned AddressSpace, TTI::TargetCostKind CostKind, bool UseMaskForCond, bool UseMaskForGaps) const
 
InstructionCost getIntrinsicInstrCost (const IntrinsicCostAttributes &ICA, TTI::TargetCostKind CostKind) const
 
InstructionCost getCallInstrCost (Function *F, Type *RetTy, ArrayRef< Type * > Tys, TTI::TargetCostKind CostKind) const
 
unsigned getNumberOfParts (Type *Tp) const
 
InstructionCost getAddressComputationCost (Type *Tp, ScalarEvolution *, const SCEV *) const
 
InstructionCost getArithmeticReductionCost (unsigned, VectorType *, std::optional< FastMathFlags > FMF, TTI::TargetCostKind) const
 
InstructionCost getMinMaxReductionCost (VectorType *, VectorType *, bool, TTI::TargetCostKind) const
 
InstructionCost getExtendedReductionCost (unsigned Opcode, bool IsUnsigned, Type *ResTy, VectorType *Ty, std::optional< FastMathFlags > FMF, TTI::TargetCostKind CostKind) const
 
InstructionCost getMulAccReductionCost (bool IsUnsigned, Type *ResTy, VectorType *Ty, TTI::TargetCostKind CostKind) const
 
InstructionCost getCostOfKeepingLiveOverCall (ArrayRef< Type * > Tys) const
 
bool getTgtMemIntrinsic (IntrinsicInst *Inst, MemIntrinsicInfo &Info) const
 
unsigned getAtomicMemIntrinsicMaxElementSize () const
 
Value * getOrCreateResultFromMemIntrinsic (IntrinsicInst *Inst, Type *ExpectedType) const
 
Type * getMemcpyLoopLoweringType (LLVMContext &Context, Value *Length, unsigned SrcAddrSpace, unsigned DestAddrSpace, unsigned SrcAlign, unsigned DestAlign, std::optional< uint32_t > AtomicElementSize) const
 
void getMemcpyLoopResidualLoweringType (SmallVectorImpl< Type * > &OpsOut, LLVMContext &Context, unsigned RemainingBytes, unsigned SrcAddrSpace, unsigned DestAddrSpace, unsigned SrcAlign, unsigned DestAlign, std::optional< uint32_t > AtomicCpySize) const
 
bool areInlineCompatible (const Function *Caller, const Function *Callee) const
 
bool areTypesABICompatible (const Function *Caller, const Function *Callee, const ArrayRef< Type * > &Types) const
 
bool isIndexedLoadLegal (TTI::MemIndexedMode Mode, Type *Ty, const DataLayout &DL) const
 
bool isIndexedStoreLegal (TTI::MemIndexedMode Mode, Type *Ty, const DataLayout &DL) const
 
unsigned getLoadStoreVecRegBitWidth (unsigned AddrSpace) const
 
bool isLegalToVectorizeLoad (LoadInst *LI) const
 
bool isLegalToVectorizeStore (StoreInst *SI) const
 
bool isLegalToVectorizeLoadChain (unsigned ChainSizeInBytes, Align Alignment, unsigned AddrSpace) const
 
bool isLegalToVectorizeStoreChain (unsigned ChainSizeInBytes, Align Alignment, unsigned AddrSpace) const
 
bool isLegalToVectorizeReduction (const RecurrenceDescriptor &RdxDesc, ElementCount VF) const
 
bool isElementTypeLegalForScalableVector (Type *Ty) const
 
unsigned getLoadVectorFactor (unsigned VF, unsigned LoadSize, unsigned ChainSizeInBytes, VectorType *VecTy) const
 
unsigned getStoreVectorFactor (unsigned VF, unsigned StoreSize, unsigned ChainSizeInBytes, VectorType *VecTy) const
 
bool preferInLoopReduction (unsigned Opcode, Type *Ty, TTI::ReductionFlags Flags) const
 
bool preferPredicatedReductionSelect (unsigned Opcode, Type *Ty, TTI::ReductionFlags Flags) const
 
bool preferEpilogueVectorization () const
 
bool shouldExpandReduction (const IntrinsicInst *II) const
 
unsigned getGISelRematGlobalCost () const
 
unsigned getMinTripCountTailFoldingThreshold () const
 
bool supportsScalableVectors () const
 
bool enableScalableVectorization () const
 
bool hasActiveVectorLength (unsigned Opcode, Type *DataType, Align Alignment) const
 
TargetTransformInfo::VPLegalization getVPLegalizationStrategy (const VPIntrinsic &PI) const
 

Additional Inherited Members

- Protected Types inherited from llvm::TargetTransformInfoImplBase
typedef TargetTransformInfo TTI
 
- Protected Member Functions inherited from llvm::BasicTTIImplBase< RISCVTTIImpl >
 BasicTTIImplBase (const TargetMachine *TM, const DataLayout &DL)
 
virtual ~BasicTTIImplBase ()=default
 
- Protected Member Functions inherited from llvm::TargetTransformInfoImplCRTPBase< RISCVTTIImpl >
 TargetTransformInfoImplCRTPBase (const DataLayout &DL)
 
- Protected Member Functions inherited from llvm::TargetTransformInfoImplBase
 TargetTransformInfoImplBase (const DataLayout &DL)
 
unsigned minRequiredElementSize (const Value *Val, bool &isSigned) const
 
bool isStridedAccess (const SCEV *Ptr) const
 
const SCEVConstant * getConstantStrideStep (ScalarEvolution *SE, const SCEV *Ptr) const
 
bool isConstantStridedAccessLessThan (ScalarEvolution *SE, const SCEV *Ptr, int64_t MergeDistance) const
 
- Protected Attributes inherited from llvm::BasicTTIImplBase< RISCVTTIImpl >
const DataLayout & DL
 
- Protected Attributes inherited from llvm::TargetTransformInfoImplBase
const DataLayout & DL
 

Detailed Description

Definition at line 29 of file RISCVTargetTransformInfo.h.

Member Enumeration Documentation

◆ RISCVRegisterClass

enum llvm::RISCVTTIImpl::RISCVRegisterClass
Enumerator
GPRRC 
FPRRC 
VRRC 

Definition at line 291 of file RISCVTargetTransformInfo.h.

Constructor & Destructor Documentation

◆ RISCVTTIImpl()

llvm::RISCVTTIImpl::RISCVTTIImpl ( const RISCVTargetMachine *  TM,
const Function &  F 
)
inlineexplicit

Definition at line 55 of file RISCVTargetTransformInfo.h.

Member Function Documentation

◆ emitGetActiveLaneMask()

PredicationStyle llvm::RISCVTTIImpl::emitGetActiveLaneMask ( ) const
inline

Definition at line 79 of file RISCVTargetTransformInfo.h.

References llvm::Data, and llvm::None.

◆ enableScalableVectorization()

bool llvm::RISCVTTIImpl::enableScalableVectorization ( ) const
inline

Definition at line 78 of file RISCVTargetTransformInfo.h.

◆ forceScalarizeMaskedGather()

bool llvm::RISCVTTIImpl::forceScalarizeMaskedGather ( VectorType *  VTy,
Align  Alignment 
)
inline

Definition at line 231 of file RISCVTargetTransformInfo.h.

◆ forceScalarizeMaskedScatter()

bool llvm::RISCVTTIImpl::forceScalarizeMaskedScatter ( VectorType *  VTy,
Align  Alignment 
)
inline

Definition at line 236 of file RISCVTargetTransformInfo.h.

◆ getArithmeticInstrCost()

InstructionCost RISCVTTIImpl::getArithmeticInstrCost ( unsigned  Opcode,
Type *  Ty,
TTI::TargetCostKind  CostKind,
TTI::OperandValueInfo  Op1Info = {TTI::OK_AnyValue, TTI::OP_None},
TTI::OperandValueInfo  Op2Info = {TTI::OK_AnyValue, TTI::OP_None},
ArrayRef< const Value * >  Args = ArrayRef<const Value *>(),
const Instruction *  CxtI = nullptr 
)

Definition at line 1295 of file RISCVTargetTransformInfo.cpp.

References llvm::ISD::ADD, llvm::ISD::AND, llvm::AMDGPU::HSAMD::Kernel::Key::Args, llvm::RISCVTargetLowering::canSplatOperand(), CostKind, llvm::BasicTTIImplBase< RISCVTTIImpl >::DL, llvm::ISD::FADD, llvm::ISD::FMUL, llvm::ISD::FNEG, llvm::ISD::FSUB, llvm::DataLayout::getABITypeAlign(), llvm::BasicTTIImplBase< RISCVTTIImpl >::getArithmeticInstrCost(), llvm::RISCVSubtarget::getELEN(), getMemoryOpCost(), llvm::Type::getScalarSizeInBits(), llvm::BasicTTIImplBase< RISCVTTIImpl >::getTypeLegalizationCost(), llvm::TargetLoweringBase::InstructionOpcodeToISD(), llvm::TargetTransformInfo::OperandValueInfo::isConstant(), llvm::SPII::Load, llvm::AArch64CC::LT, llvm::ISD::MUL, llvm::ISD::MULHS, llvm::ISD::MULHU, llvm::ISD::OR, llvm::ISD::SHL, llvm::ISD::SRA, llvm::ISD::SRL, llvm::ISD::SUB, llvm::TargetTransformInfo::TCK_RecipThroughput, llvm::RISCVSubtarget::useRVVForFixedLengthVectors(), and llvm::ISD::XOR.

◆ getArithmeticReductionCost()

InstructionCost RISCVTTIImpl::getArithmeticReductionCost ( unsigned  Opcode,
VectorType *  Ty,
std::optional< FastMathFlags >  FMF,
TTI::TargetCostKind  CostKind 
)

Definition at line 1024 of file RISCVTargetTransformInfo.cpp.

References llvm::ISD::ADD, llvm::ISD::AND, assert(), CostKind, llvm::ISD::FADD, llvm::BasicTTIImplBase< RISCVTTIImpl >::getArithmeticReductionCost(), llvm::VectorType::getElementType(), llvm::RISCVSubtarget::getELEN(), llvm::Type::getScalarSizeInBits(), llvm::BasicTTIImplBase< RISCVTTIImpl >::getTypeLegalizationCost(), llvm::TargetLoweringBase::InstructionOpcodeToISD(), llvm::Type::isIntegerTy(), llvm::Log2_32_Ceil(), llvm::AArch64CC::LT, llvm::ISD::OR, llvm::TargetTransformInfo::requiresOrderedReduction(), llvm::RISCVSubtarget::useRVVForFixedLengthVectors(), and llvm::ISD::XOR.

Referenced by getExtendedReductionCost().

◆ getCastInstrCost()

InstructionCost RISCVTTIImpl::getCastInstrCost ( unsigned  Opcode,
Type *  Dst,
Type *  Src,
TTI::CastContextHint  CCH,
TTI::TargetCostKind  CostKind,
const Instruction *  I = nullptr 
)

Definition at line 913 of file RISCVTargetTransformInfo.cpp.

References llvm::abs(), assert(), CostKind, llvm::ISD::FP_EXTEND, llvm::ISD::FP_ROUND, llvm::ISD::FP_TO_SINT, llvm::ISD::FP_TO_UINT, llvm::BasicTTIImplBase< RISCVTTIImpl >::getCastInstrCost(), llvm::RISCVSubtarget::getELEN(), I, llvm::TargetLoweringBase::InstructionOpcodeToISD(), int, llvm::BasicTTIImplBase< RISCVTTIImpl >::isTypeLegal(), llvm::Log2_32(), llvm::ISD::SIGN_EXTEND, llvm::ISD::SINT_TO_FP, llvm::ISD::TRUNCATE, llvm::ISD::UINT_TO_FP, and llvm::ISD::ZERO_EXTEND.

◆ getCmpSelInstrCost()

InstructionCost RISCVTTIImpl::getCmpSelInstrCost ( unsigned  Opcode,
Type *  ValTy,
Type *  CondTy,
CmpInst::Predicate  VecPred,
TTI::TargetCostKind  CostKind,
const Instruction *  I = nullptr 
)

Definition at line 1117 of file RISCVTargetTransformInfo.cpp.

References CostKind, llvm::CmpInst::FCMP_OEQ, llvm::CmpInst::FCMP_OGE, llvm::CmpInst::FCMP_OGT, llvm::CmpInst::FCMP_OLE, llvm::CmpInst::FCMP_OLT, llvm::CmpInst::FCMP_UNE, llvm::BasicTTIImplBase< RISCVTTIImpl >::getCmpSelInstrCost(), llvm::RISCVSubtarget::getELEN(), llvm::Type::getScalarSizeInBits(), llvm::BasicTTIImplBase< RISCVTTIImpl >::getTypeLegalizationCost(), llvm::RISCVSubtarget::hasVInstructionsF16(), llvm::RISCVSubtarget::hasVInstructionsF32(), llvm::RISCVSubtarget::hasVInstructionsF64(), I, llvm::CmpInst::isIntPredicate(), llvm::Type::isVectorTy(), llvm::AArch64CC::LT, llvm::MCID::Select, llvm::TargetTransformInfo::TCK_RecipThroughput, and llvm::RISCVSubtarget::useRVVForFixedLengthVectors().

◆ getExtendedReductionCost()

InstructionCost RISCVTTIImpl::getExtendedReductionCost ( unsigned  Opcode,
bool  IsUnsigned,
Type *  ResTy,
VectorType *  ValTy,
std::optional< FastMathFlags >  FMF,
TTI::TargetCostKind  CostKind 
)

Definition at line 1054 of file RISCVTargetTransformInfo.cpp.

References llvm::MCID::Add, CostKind, getArithmeticReductionCost(), llvm::RISCVSubtarget::getELEN(), llvm::BasicTTIImplBase< RISCVTTIImpl >::getExtendedReductionCost(), llvm::Type::getScalarSizeInBits(), llvm::BasicTTIImplBase< RISCVTTIImpl >::getTypeLegalizationCost(), llvm::AArch64CC::LT, and llvm::RISCVSubtarget::useRVVForFixedLengthVectors().

◆ getGatherScatterOpCost()

InstructionCost RISCVTTIImpl::getGatherScatterOpCost ( unsigned  Opcode,
Type *  DataTy,
const Value *  Ptr,
bool  VariableMask,
Align  Alignment,
TTI::TargetCostKind  CostKind,
const Instruction *  I 
)

Definition at line 341 of file RISCVTargetTransformInfo.cpp.

References Align, CostKind, llvm::BasicTTIImplBase< RISCVTTIImpl >::getGatherScatterOpCost(), getMemoryOpCost(), I, isLegalMaskedGather(), isLegalMaskedScatter(), llvm::SPII::Load, Ptr, llvm::SPII::Store, and llvm::TargetTransformInfo::TCK_RecipThroughput.

◆ getIntImmCost()

InstructionCost RISCVTTIImpl::getIntImmCost ( const APInt &  Imm,
Type *  Ty,
TTI::TargetCostKind  CostKind 
)

Definition at line 56 of file RISCVTargetTransformInfo.cpp.

References assert(), llvm::BasicTTIImplBase< RISCVTTIImpl >::DL, llvm::TargetTransformInfoImplBase::getDataLayout(), llvm::RISCVMatInt::getIntMatCost(), llvm::DataLayout::getTypeSizeInBits(), llvm::RISCVMatInt::Imm, llvm::Type::isIntegerTy(), and llvm::TargetTransformInfo::TCC_Free.

Referenced by getIntImmCostInst().

◆ getIntImmCostInst()

InstructionCost RISCVTTIImpl::getIntImmCostInst ( unsigned  Opcode,
unsigned  Idx,
const APInt &  Imm,
Type *  Ty,
TTI::TargetCostKind  CostKind,
Instruction *  Inst = nullptr 
)

Definition at line 98 of file RISCVTargetTransformInfo.cpp.

References llvm::MCID::Add, assert(), canUseShiftPair(), CostKind, getIntImmCost(), llvm::RISCVSubtarget::getXLen(), llvm::RISCVMatInt::Imm, llvm::Instruction::isCommutative(), llvm::Type::isIntegerTy(), llvm::BasicTTIImplBase< RISCVTTIImpl >::isLegalAddImmediate(), Mul, and llvm::TargetTransformInfo::TCC_Free.

◆ getIntImmCostIntrin()

InstructionCost RISCVTTIImpl::getIntImmCostIntrin ( Intrinsic::ID  IID,
unsigned  Idx,
const APInt &  Imm,
Type *  Ty,
TTI::TargetCostKind  CostKind 
)

Definition at line 182 of file RISCVTargetTransformInfo.cpp.

References llvm::TargetTransformInfo::TCC_Free.

◆ getIntrinsicInstrCost()

InstructionCost RISCVTTIImpl::getIntrinsicInstrCost ( const IntrinsicCostAttributes &  ICA,
TTI::TargetCostKind  CostKind 
)

Definition at line 814 of file RISCVTargetTransformInfo.cpp.

References llvm::abs(), ceil, Cost, llvm::ISD::FCEIL, floor, llvm::IntrinsicCostAttributes::getID(), getISDForVPIntrinsicID(), llvm::IntrinsicCostAttributes::getReturnType(), llvm::BasicTTIImplBase< RISCVTTIImpl >::getTypeLegalizationCost(), llvm::RISCVSubtarget::hasVInstructions(), llvm::TargetLoweringBase::isOperationCustom(), llvm::AArch64CC::LT, round(), llvm::APIntOps::smax(), llvm::APIntOps::smin(), trunc, llvm::APIntOps::umax(), and llvm::APIntOps::umin().

◆ getMaskedMemoryOpCost()

InstructionCost RISCVTTIImpl::getMaskedMemoryOpCost ( unsigned  Opcode,
Type *  Src,
Align  Alignment,
unsigned  AddressSpace,
TTI::TargetCostKind  CostKind 
)

Definition at line 330 of file RISCVTargetTransformInfo.cpp.

References CostKind, llvm::BasicTTIImplBase< RISCVTTIImpl >::getMaskedMemoryOpCost(), getMemoryOpCost(), isLegalMaskedLoadStore(), and llvm::TargetTransformInfo::TCK_RecipThroughput.

◆ getMaximumVF()

unsigned RISCVTTIImpl::getMaximumVF ( unsigned  ElemWidth,
unsigned  Opcode 
) const

Definition at line 1468 of file RISCVTargetTransformInfo.cpp.

References SLPMaxVF.

◆ getMaxInterleaveFactor()

unsigned llvm::RISCVTTIImpl::getMaxInterleaveFactor ( unsigned  VF)
inline

Definition at line 285 of file RISCVTargetTransformInfo.h.

◆ getMaxVScale()

std::optional< unsigned > RISCVTTIImpl::getMaxVScale ( ) const

Definition at line 209 of file RISCVTargetTransformInfo.cpp.

References llvm::BasicTTIImplBase< RISCVTTIImpl >::getMaxVScale(), llvm::RISCVSubtarget::getRealMaxVLen(), llvm::RISCVSubtarget::hasVInstructions(), and llvm::RISCV::RVVBitsPerBlock.

◆ getMemoryOpCost()

InstructionCost RISCVTTIImpl::getMemoryOpCost ( unsigned  Opcode,
Type *  Src,
MaybeAlign  Alignment,
unsigned  AddressSpace,
TTI::TargetCostKind  CostKind,
TTI::OperandValueInfo  OpdInfo = {TTI::OK_AnyValue, TTI::OP_None},
const Instruction *  I = nullptr 
)

Definition at line 1104 of file RISCVTargetTransformInfo.cpp.

References Cost, CostKind, llvm::BasicTTIImplBase< RISCVTTIImpl >::getMemoryOpCost(), getStoreImmCost(), I, llvm::TargetTransformInfo::OperandValueInfo::isConstant(), and llvm::SPII::Store.

Referenced by getArithmeticInstrCost(), getGatherScatterOpCost(), getMaskedMemoryOpCost(), and getStoreImmCost().

◆ getMinMaxReductionCost()

InstructionCost RISCVTTIImpl::getMinMaxReductionCost ( VectorType *  Ty,
VectorType *  CondTy,
bool  IsUnsigned,
TTI::TargetCostKind  CostKind 
)

Definition at line 1001 of file RISCVTargetTransformInfo.cpp.

References CostKind, llvm::VectorType::getElementType(), llvm::RISCVSubtarget::getELEN(), llvm::BasicTTIImplBase< RISCVTTIImpl >::getMinMaxReductionCost(), llvm::Type::getScalarSizeInBits(), llvm::BasicTTIImplBase< RISCVTTIImpl >::getTypeLegalizationCost(), llvm::Type::isIntegerTy(), llvm::Log2_32_Ceil(), llvm::AArch64CC::LT, and llvm::RISCVSubtarget::useRVVForFixedLengthVectors().

◆ getMinVectorRegisterBitWidth()

unsigned llvm::RISCVTTIImpl::getMinVectorRegisterBitWidth ( ) const
inline

Definition at line 110 of file RISCVTargetTransformInfo.h.

◆ getNumberOfRegisters()

unsigned llvm::RISCVTTIImpl::getNumberOfRegisters ( unsigned  ClassID) const
inline

Definition at line 292 of file RISCVTargetTransformInfo.h.

References llvm_unreachable.

◆ getPeelingPreferences()

void RISCVTTIImpl::getPeelingPreferences ( Loop *  L,
ScalarEvolution &  SE,
TTI::PeelingPreferences &  PP 
)

Definition at line 1450 of file RISCVTargetTransformInfo.cpp.

References llvm::BasicTTIImplBase< RISCVTTIImpl >::getPeelingPreferences().

◆ getPopcntSupport()

TargetTransformInfo::PopcntSupportKind RISCVTTIImpl::getPopcntSupport ( unsigned  TyWidth)

Definition at line 190 of file RISCVTargetTransformInfo.cpp.

References assert(), llvm::isPowerOf2_32(), llvm::TargetTransformInfo::PSK_FastHardware, and llvm::TargetTransformInfo::PSK_Software.

◆ getRegisterBitWidth()

TypeSize RISCVTTIImpl::getRegisterBitWidth ( TargetTransformInfo::RegisterKind  K) const

Definition at line 224 of file RISCVTargetTransformInfo.cpp.

References llvm::bit_floor(), llvm::TypeSize::getFixed(), llvm::RISCVSubtarget::getRealMinVLen(), llvm::TypeSize::getScalable(), llvm::RISCVSubtarget::getXLen(), llvm::RISCVSubtarget::hasVInstructions(), llvm_unreachable, llvm::XCoreISD::LMUL, llvm::TargetTransformInfo::RGK_FixedWidthVector, llvm::TargetTransformInfo::RGK_ScalableVector, llvm::TargetTransformInfo::RGK_Scalar, llvm::RISCV::RVVBitsPerBlock, RVVRegisterWidthLMUL, and llvm::RISCVSubtarget::useRVVForFixedLengthVectors().

◆ getRegisterClassForType()

unsigned llvm::RISCVTTIImpl::getRegisterClassForType ( bool  Vector,
Type *  Ty = nullptr 
) const
inline

Definition at line 312 of file RISCVTargetTransformInfo.h.

References llvm::Type::getScalarType(), llvm::Type::isDoubleTy(), llvm::Type::isFloatTy(), llvm::Type::isHalfTy(), and Vector.

◆ getRegisterClassName()

const char* llvm::RISCVTTIImpl::getRegisterClassName ( unsigned  ClassID) const
inline

Definition at line 328 of file RISCVTargetTransformInfo.h.

References llvm_unreachable.

◆ getRegUsageForType()

unsigned RISCVTTIImpl::getRegUsageForType ( Type *  Ty)

Definition at line 1455 of file RISCVTargetTransformInfo.cpp.

References llvm::divideCeil(), llvm::BasicTTIImplBase< RISCVTTIImpl >::DL, llvm::RISCVSubtarget::getRealMinVLen(), llvm::BasicTTIImplBase< RISCVTTIImpl >::getRegUsageForType(), llvm::DataLayout::getTypeSizeInBits(), llvm::RISCVSubtarget::hasVInstructions(), llvm::Type::isVectorTy(), llvm::RISCV::RVVBitsPerBlock, and llvm::RISCVSubtarget::useRVVForFixedLengthVectors().

◆ getShuffleCost()

InstructionCost RISCVTTIImpl::getShuffleCost ( TTI::ShuffleKind  Kind,
VectorType *  Tp,
ArrayRef< int >  Mask,
TTI::TargetCostKind  CostKind,
int  Index,
VectorType *  SubTp,
ArrayRef< const Value * >  Args = std::nullopt 
)

Definition at line 253 of file RISCVTargetTransformInfo.cpp.

References llvm::AMDGPU::HSAMD::Kernel::Key::Args, CostKind, llvm::VectorType::getElementType(), llvm::Operator::getOpcode(), llvm::BasicTTIImplBase< RISCVTTIImpl >::getShuffleCost(), getSpliceCost(), llvm::BasicTTIImplBase< RISCVTTIImpl >::getTypeLegalizationCost(), llvm::Type::isIntegerTy(), llvm::AArch64CC::LT, llvm::BitmaskEnumDetail::Mask(), llvm::TargetTransformInfo::SK_Broadcast, llvm::TargetTransformInfo::SK_Reverse, and llvm::TargetTransformInfo::SK_Splice.

◆ getSpliceCost()

InstructionCost RISCVTTIImpl::getSpliceCost ( VectorType *  Tp,
int  Index 
)

Definition at line 244 of file RISCVTargetTransformInfo.cpp.

References Cost, llvm::BasicTTIImplBase< RISCVTTIImpl >::getTypeLegalizationCost(), and llvm::AArch64CC::LT.

Referenced by getShuffleCost().

◆ getStoreImmCost()

InstructionCost RISCVTTIImpl::getStoreImmCost ( Type *  VecTy,
TTI::OperandValueInfo  OpInfo,
TTI::TargetCostKind  CostKind 
)

Return the cost of materializing an immediate for a value operand of a store instruction.

Definition at line 1080 of file RISCVTargetTransformInfo.cpp.

References assert(), CostKind, llvm::BasicTTIImplBase< RISCVTTIImpl >::DL, llvm::DataLayout::getABITypeAlign(), getMemoryOpCost(), llvm::TargetTransformInfo::OperandValueInfo::isConstant(), llvm::TargetTransformInfo::OperandValueInfo::isUniform(), and llvm::SPII::Load.

Referenced by getMemoryOpCost().

◆ getUnrollingPreferences()

void RISCVTTIImpl::getUnrollingPreferences ( Loop *  L,
ScalarEvolution &  SE,
TTI::UnrollingPreferences &  UP,
OptimizationRemarkEmitter *  ORE 
)

Definition at line 1372 of file RISCVTargetTransformInfo.cpp.

References BB, Cost, llvm::dbgs(), F, llvm::TargetTransformInfo::UnrollingPreferences::Force, llvm::LoopBase< BlockT, LoopT >::getBlocks(), llvm::getBooleanLoopAttribute(), getCalledFunction(), llvm::LoopBase< BlockT, LoopT >::getExitingBlocks(), llvm::LoopBase< BlockT, LoopT >::getHeader(), llvm::TargetTransformInfoImplCRTPBase< RISCVTTIImpl >::getInstructionCost(), llvm::LoopBase< BlockT, LoopT >::getNumBlocks(), llvm::BasicBlock::getParent(), llvm::BasicTTIImplBase< T >::getUnrollingPreferences(), llvm::Function::hasOptSize(), I, llvm::TargetTransformInfoImplBase::isLoweredToCall(), LLVM_DEBUG, Operands, llvm::TargetTransformInfo::UnrollingPreferences::OptSizeThreshold, llvm::TargetTransformInfo::UnrollingPreferences::Partial, llvm::TargetTransformInfo::UnrollingPreferences::PartialOptSizeThreshold, llvm::TargetTransformInfo::UnrollingPreferences::Runtime, llvm::TargetTransformInfo::TCK_SizeAndLatency, llvm::TargetTransformInfo::UnrollingPreferences::UnrollAndJam, llvm::TargetTransformInfo::UnrollingPreferences::UnrollAndJamInnerLoopThreshold, llvm::TargetTransformInfo::UnrollingPreferences::UnrollRemainder, and llvm::TargetTransformInfo::UnrollingPreferences::UpperBound.

◆ getVectorInstrCost()

InstructionCost RISCVTTIImpl::getVectorInstrCost ( unsigned  Opcode,
Type *  Val,
TTI::TargetCostKind  CostKind,
unsigned  Index,
Value *  Op0,
Value *  Op1 
)

Definition at line 1200 of file RISCVTargetTransformInfo.cpp.

References assert(), CostKind, llvm::Type::getScalarSizeInBits(), llvm::Type::getScalarType(), llvm::BasicTTIImplBase< RISCVTTIImpl >::getTypeLegalizationCost(), llvm::BasicTTIImplBase< RISCVTTIImpl >::getVectorInstrCost(), llvm::RISCVSubtarget::getXLen(), llvm::Type::isIntegerTy(), llvm::BasicTTIImplBase< RISCVTTIImpl >::isTypeLegal(), llvm::Type::isVectorTy(), and llvm::AArch64CC::LT.

◆ getVPLegalizationStrategy()

TargetTransformInfo::VPLegalization llvm::RISCVTTIImpl::getVPLegalizationStrategy ( const VPIntrinsic &  PI) const
inline
Returns
How the target needs this vector-predicated operation to be transformed.

Definition at line 244 of file RISCVTargetTransformInfo.h.

References llvm::TargetTransformInfo::VPLegalization::Convert, llvm::TargetTransformInfo::VPLegalization::Discard, llvm::CallBase::getArgOperand(), llvm::IntrinsicInst::getIntrinsicID(), llvm::Value::getType(), and llvm::TargetTransformInfo::VPLegalization::Legal.

◆ getVScaleForTuning()

std::optional< unsigned > RISCVTTIImpl::getVScaleForTuning ( ) const

Definition at line 215 of file RISCVTargetTransformInfo.cpp.

References llvm::RISCVSubtarget::getRealMinVLen(), llvm::BasicTTIImplBase< RISCVTTIImpl >::getVScaleForTuning(), llvm::RISCVSubtarget::hasVInstructions(), and llvm::RISCV::RVVBitsPerBlock.

◆ isElementTypeLegalForScalableVector()

bool llvm::RISCVTTIImpl::isElementTypeLegalForScalableVector ( Type *  Ty) const
inline

Definition at line 171 of file RISCVTargetTransformInfo.h.

References llvm::RISCVTargetLowering::isLegalElementTypeForRVV().

◆ isLegalMaskedGather()

bool llvm::RISCVTTIImpl::isLegalMaskedGather ( Type *  DataType,
Align  Alignment 
)
inline

Definition at line 224 of file RISCVTargetTransformInfo.h.

References isLegalMaskedGatherScatter().

Referenced by getGatherScatterOpCost().

◆ isLegalMaskedGatherScatter()

bool llvm::RISCVTTIImpl::isLegalMaskedGatherScatter ( Type *  DataType,
Align  Alignment 
)
inline

Definition at line 203 of file RISCVTargetTransformInfo.h.

References llvm::BasicTTIImplBase< RISCVTTIImpl >::DL, llvm::details::FixedOrScalableQuantity< LeafTy, ValueTy >::getFixedValue(), llvm::Type::getScalarSizeInBits(), llvm::Type::getScalarType(), llvm::DataLayout::getTypeStoreSize(), and llvm::RISCVTargetLowering::isLegalElementTypeForRVV().

Referenced by isLegalMaskedGather(), and isLegalMaskedScatter().

◆ isLegalMaskedLoad()

bool llvm::RISCVTTIImpl::isLegalMaskedLoad ( Type *  DataType,
Align  Alignment 
)
inline

Definition at line 196 of file RISCVTargetTransformInfo.h.

References isLegalMaskedLoadStore().

◆ isLegalMaskedLoadStore()

bool llvm::RISCVTTIImpl::isLegalMaskedLoadStore ( Type *  DataType,
Align  Alignment 
)
inline

Definition at line 175 of file RISCVTargetTransformInfo.h.

References llvm::BasicTTIImplBase< RISCVTTIImpl >::DL, llvm::details::FixedOrScalableQuantity< LeafTy, ValueTy >::getFixedValue(), llvm::Type::getScalarSizeInBits(), llvm::Type::getScalarType(), llvm::DataLayout::getTypeStoreSize(), and llvm::RISCVTargetLowering::isLegalElementTypeForRVV().

Referenced by getMaskedMemoryOpCost(), isLegalMaskedLoad(), and isLegalMaskedStore().

◆ isLegalMaskedScatter()

bool llvm::RISCVTTIImpl::isLegalMaskedScatter ( Type *  DataType,
Align  Alignment 
)
inline

Definition at line 227 of file RISCVTargetTransformInfo.h.

References isLegalMaskedGatherScatter().

Referenced by getGatherScatterOpCost().

◆ isLegalMaskedStore()

bool llvm::RISCVTTIImpl::isLegalMaskedStore ( Type *  DataType,
Align  Alignment 
)
inline

Definition at line 199 of file RISCVTargetTransformInfo.h.

References isLegalMaskedLoadStore().

◆ isLegalToVectorizeReduction()

bool llvm::RISCVTTIImpl::isLegalToVectorizeReduction ( const RecurrenceDescriptor &  RdxDesc,
ElementCount  VF 
) const
inline

Definition at line 255 of file RISCVTargetTransformInfo.h.

References llvm::Add, llvm::And, llvm::FAdd, llvm::FMax, llvm::FMin, llvm::FMulAdd, llvm::RecurrenceDescriptor::getRecurrenceKind(), llvm::RecurrenceDescriptor::getRecurrenceType(), llvm::RISCVTargetLowering::isLegalElementTypeForRVV(), llvm::details::FixedOrScalableQuantity< LeafTy, ValueTy >::isScalable(), llvm::Or, llvm::SelectFCmp, llvm::SelectICmp, llvm::SMax, llvm::SMin, llvm::UMax, llvm::UMin, and llvm::Xor.

◆ isLSRCostLess()

bool RISCVTTIImpl::isLSRCostLess ( const TargetTransformInfo::LSRCost &  C1,
const TargetTransformInfo::LSRCost &  C2 
)

Definition at line 1477 of file RISCVTargetTransformInfo.cpp.

References llvm::TargetTransformInfo::LSRCost::AddRecCost, C1, llvm::TargetTransformInfo::LSRCost::ImmCost, llvm::TargetTransformInfo::LSRCost::Insns, llvm::TargetTransformInfo::LSRCost::NumBaseAdds, llvm::TargetTransformInfo::LSRCost::NumIVMuls, llvm::TargetTransformInfo::LSRCost::NumRegs, llvm::TargetTransformInfo::LSRCost::ScaleCost, and llvm::TargetTransformInfo::LSRCost::SetupCost.

◆ preferEpilogueVectorization()

bool llvm::RISCVTTIImpl::preferEpilogueVectorization ( ) const
inline

Definition at line 92 of file RISCVTargetTransformInfo.h.

◆ shouldExpandReduction()

bool RISCVTTIImpl::shouldExpandReduction ( const IntrinsicInst *  II) const

Definition at line 195 of file RISCVTargetTransformInfo.cpp.

References llvm::IntrinsicInst::getIntrinsicID().

◆ supportsScalableVectors()

bool llvm::RISCVTTIImpl::supportsScalableVectors ( ) const
inline

Definition at line 77 of file RISCVTargetTransformInfo.h.

The documentation for this class was generated from the following files:
Generated on Sat Jan 28 2023 14:00:35 for LLVM by   doxygen 1.8.17