Extended Value Type. More...

#include "llvm/CodeGen/ValueTypes.h"

Classes
struct	compareRawBits
	A meaningless but well-behaved order, useful for constructing containers. More...

Public Member Functions
constexpr	EVT ()=default

constexpr	EVT (MVT::SimpleValueType SVT)

constexpr	EVT (MVT S)

bool	operator== (EVT VT) const

bool	operator!= (EVT VT) const

EVT	changeVectorElementTypeToInteger () const
	Return a vector with the same number of elements as this vector, but with the element type converted to an integer type with the same bitwidth.

EVT	changeVectorElementType (EVT EltVT) const
	Return a VT for a vector type whose attributes match ourselves with the exception of the element type that is chosen by the caller.

EVT	changeTypeToInteger ()
	Return the type converted to an equivalently sized integer or vector with integer element type.

bool	isZeroSized () const
	Test if the given EVT has zero size, this will fail if called on a scalable type.

bool	isSimple () const
	Test if the given EVT is simple (as opposed to being extended).

bool	isExtended () const
	Test if the given EVT is extended (as opposed to being simple).

bool	isFloatingPoint () const
	Return true if this is a FP or a vector FP type.

bool	isInteger () const
	Return true if this is an integer or a vector integer type.

bool	isScalarInteger () const
	Return true if this is an integer, but not a vector.

bool	isScalableTargetExtVT () const
	Return true if this is a vector type where the runtime length is machine dependent.

bool	isVector () const
	Return true if this is a vector value type.

bool	isScalableVector () const
	Return true if this is a vector type where the runtime length is machine dependent.

bool	isFixedLengthVector () const

bool	isScalableVT () const
	Return true if the type is a scalable type.

bool	is16BitVector () const
	Return true if this is a 16-bit vector type.

bool	is32BitVector () const
	Return true if this is a 32-bit vector type.

bool	is64BitVector () const
	Return true if this is a 64-bit vector type.

bool	is128BitVector () const
	Return true if this is a 128-bit vector type.

bool	is256BitVector () const
	Return true if this is a 256-bit vector type.

bool	is512BitVector () const
	Return true if this is a 512-bit vector type.

bool	is1024BitVector () const
	Return true if this is a 1024-bit vector type.

bool	is2048BitVector () const
	Return true if this is a 2048-bit vector type.

bool	isOverloaded () const
	Return true if this is an overloaded type for TableGen.

bool	isByteSized () const
	Return true if the bit size is a multiple of 8.

bool	isRound () const
	Return true if the size is a power-of-two number of bytes.

bool	bitsEq (EVT VT) const
	Return true if this has the same number of bits as VT.

bool	knownBitsGT (EVT VT) const
	Return true if we know at compile time this has more bits than VT.

bool	knownBitsGE (EVT VT) const
	Return true if we know at compile time this has more than or the same bits as VT.

bool	knownBitsLT (EVT VT) const
	Return true if we know at compile time this has fewer bits than VT.

bool	knownBitsLE (EVT VT) const
	Return true if we know at compile time this has fewer than or the same bits as VT.

bool	bitsGT (EVT VT) const
	Return true if this has more bits than VT.

bool	bitsGE (EVT VT) const
	Return true if this has no less bits than VT.

bool	bitsLT (EVT VT) const
	Return true if this has less bits than VT.

bool	bitsLE (EVT VT) const
	Return true if this has no more bits than VT.

MVT	getSimpleVT () const
	Return the SimpleValueType held in the specified simple EVT.

EVT	getScalarType () const
	If this is a vector type, return the element type, otherwise return this.

EVT	getVectorElementType () const
	Given a vector type, return the type of each element.

unsigned	getVectorNumElements () const
	Given a vector type, return the number of elements it contains.

ElementCount	getVectorElementCount () const

unsigned	getVectorMinNumElements () const
	Given a vector type, return the minimum number of elements it contains.

TypeSize	getSizeInBits () const
	Return the size of the specified value type in bits.

uint64_t	getFixedSizeInBits () const
	Return the size of the specified fixed width value type in bits.

uint64_t	getScalarSizeInBits () const

TypeSize	getStoreSize () const
	Return the number of bytes overwritten by a store of the specified value type.

uint64_t	getScalarStoreSize () const

TypeSize	getStoreSizeInBits () const
	Return the number of bits overwritten by a store of the specified value type.

EVT	getRoundIntegerType (LLVMContext &Context) const
	Rounds the bit-width of the given integer EVT up to the nearest power of two (and at least to eight), and returns the integer EVT with that number of bits.

EVT	getHalfSizedIntegerVT (LLVMContext &Context) const
	Finds the smallest simple value type that is greater than or equal to half the width of this EVT.

EVT	widenIntegerVectorElementType (LLVMContext &Context) const
	Return a VT for an integer vector type with the size of the elements doubled.

EVT	getHalfNumVectorElementsVT (LLVMContext &Context) const

EVT	getDoubleNumVectorElementsVT (LLVMContext &Context) const

bool	isPow2VectorType () const
	Returns true if the given vector is a power of 2.

EVT	getPow2VectorType (LLVMContext &Context) const
	Widens the length of the given vector EVT up to the nearest power of 2 and returns that type.

std::string	getEVTString () const
	This function returns value type as a string, e.g. "i32".

void	dump () const
	Support for debugging, callable in GDB: VT.dump()

void	print (raw_ostream &OS) const
	Implement operator<<.

Type *	getTypeForEVT (LLVMContext &Context) const
	This method returns an LLVM type corresponding to the specified EVT.

intptr_t	getRawBits () const

Static Public Member Functions
static EVT	getFloatingPointVT (unsigned BitWidth)
	Returns the EVT that represents a floating-point type with the given number of bits.

static EVT	getIntegerVT (LLVMContext &Context, unsigned BitWidth)
	Returns the EVT that represents an integer with the given number of bits.

static EVT	getVectorVT (LLVMContext &Context, EVT VT, unsigned NumElements, bool IsScalable=false)
	Returns the EVT that represents a vector NumElements in length, where each element is of type VT.

static EVT	getVectorVT (LLVMContext &Context, EVT VT, ElementCount EC)
	Returns the EVT that represents a vector EC.Min elements in length, where each element is of type VT.

static EVT	getEVT (Type *Ty, bool HandleUnknown=false)
	Return the value type corresponding to the specified type.

Detailed Description

Extended Value Type.

Capable of holding value types which are not native for any processor (such as the i12345 type), as well as the types an MVT can represent.

Definition at line 34 of file ValueTypes.h.

Constructor & Destructor Documentation

◆ EVT() [1/3]

constexpr llvm::EVT::EVT ( )

constexprdefault

Referenced by getHalfSizedIntegerVT(), and getRoundIntegerType().

◆ EVT() [2/3]

constexpr llvm::EVT::EVT ( MVT::SimpleValueType SVT )

inlineconstexpr

Definition at line 41 of file ValueTypes.h.

◆ EVT() [3/3]

constexpr llvm::EVT::EVT ( MVT S )

inlineconstexpr

Definition at line 42 of file ValueTypes.h.

Member Function Documentation

◆ bitsEq()

bool llvm::EVT::bitsEq ( EVT VT ) const

inline

Return true if this has the same number of bits as VT.

Definition at line 239 of file ValueTypes.h.

References getSizeInBits().

Referenced by llvm::SelectionDAG::getStrictFPExtendOrRound(), lowerFCMPIntrinsic(), lowerICMPIntrinsic(), and AMDGPUDAGToDAGISel::Select().

◆ bitsGE()

bool llvm::EVT::bitsGE ( EVT VT ) const

inline

Return true if this has no less bits than VT.

Definition at line 275 of file ValueTypes.h.

References assert(), isScalableVector(), and knownBitsGE().

Referenced by findFPToIntLibcall(), getCopyToPartsVector(), getMemcpyLoadsAndStores(), llvm::isConstOrConstSplat(), llvm::AMDGPUTargetLowering::performAssertSZExtCombine(), and unrollVectorShift().

◆ bitsGT()

bool llvm::EVT::bitsGT ( EVT VT ) const

inline

Return true if this has more bits than VT.

Definition at line 267 of file ValueTypes.h.

References assert(), isScalableVector(), and knownBitsGT().

◆ bitsLE()

bool llvm::EVT::bitsLE ( EVT VT ) const

inline

Return true if this has no more bits than VT.

Definition at line 291 of file ValueTypes.h.

References assert(), isScalableVector(), and knownBitsLE().

Referenced by llvm::SelectionDAG::getBoolExtOrTrunc(), llvm::SelectionDAG::getNode(), llvm::SelectionDAG::getSplatBuildVector(), llvm::SelectionDAG::getSplatVector(), llvm::SelectionDAG::getZeroExtendInReg(), llvm::RISCVTargetLowering::PerformDAGCombine(), llvm::AMDGPUTargetLowering::performMulCombine(), PerformVECREDUCE_ADDCombine(), llvm::TargetLowering::SimplifySetCC(), and VerifySDNode().

◆ bitsLT()

bool llvm::EVT::bitsLT ( EVT VT ) const

inline

Return true if this has less bits than VT.

Definition at line 283 of file ValueTypes.h.

References assert(), isScalableVector(), and knownBitsLT().

◆ changeTypeToInteger()

EVT llvm::EVT::changeTypeToInteger ( )

inline

Return the type converted to an equivalently sized integer or vector with integer element type.

Similar to changeVectorElementTypeToInteger, but also handles scalars.

Definition at line 113 of file ValueTypes.h.

References llvm::MVT::changeTypeToInteger(), changeVectorElementTypeToInteger(), getSimpleVT(), isSimple(), and isVector().

Referenced by adjustLoadValueTypeImpl(), constructRetValue(), llvm::TargetLowering::expandFP_TO_SINT(), LowerFMINIMUM_FMAXIMUM(), performLD1ReplicateCombine(), performLDNT1Combine(), performSTNT1Combine(), and llvm::AMDGPUTargetLowering::performTruncateCombine().

◆ changeVectorElementType()

EVT llvm::EVT::changeVectorElementType ( EVT EltVT ) const

inline

Return a VT for a vector type whose attributes match ourselves with the exception of the element type that is chosen by the caller.

Definition at line 101 of file ValueTypes.h.

References assert(), llvm::MVT::changeVectorElementType(), getSimpleVT(), and isSimple().

Referenced by combineArithReduction(), combineConcatVectorOps(), combineEXTEND_VECTOR_INREG(), combineGatherScatter(), combineMulToPMADDWD(), combineSelect(), combineSIntToFP(), combineToExtendBoolVectorInReg(), combineTruncateWithSat(), combineUIntToFP(), findMoreOptimalIndexType(), llvm::X86TargetLowering::getNumRegistersForCallingConv(), getPredicateForScalableVector(), llvm::X86TargetLowering::getRegisterTypeForCallingConv(), getVectorBitwiseReduce(), llvm::X86TargetLowering::getVectorTypeBreakdownForCallingConv(), LowerVectorAllEqual(), performBuildShuffleExtendCombine(), performBuildVectorCombine(), llvm::RISCVTargetLowering::PerformDAGCombine(), performMSTORECombine(), performUnpackCombine(), PerformVECREDUCE_ADDCombine(), reduceMaskedLoadToScalarLoad(), reduceMaskedStoreToScalarStore(), llvm::X86TargetLowering::ReplaceNodeResults(), tryToWidenSetCCOperands(), and widenVectorToPartType().

◆ changeVectorElementTypeToInteger()

EVT llvm::EVT::changeVectorElementTypeToInteger ( ) const

inline

Return a vector with the same number of elements as this vector, but with the element type converted to an integer type with the same bitwidth.

Definition at line 93 of file ValueTypes.h.

References llvm::MVT::changeVectorElementTypeToInteger(), getSimpleVT(), and isSimple().

◆ dump()

void EVT::dump ( ) const

Support for debugging, callable in GDB: VT.dump()

Definition at line 185 of file ValueTypes.cpp.

References llvm::dbgs(), and print().

◆ getDoubleNumVectorElementsVT()

EVT llvm::EVT::getDoubleNumVectorElementsVT ( LLVMContext & Context ) const

inline

Definition at line 441 of file ValueTypes.h.

References Context, getVectorElementCount(), getVectorElementType(), and getVectorVT().

Referenced by combineConcatVectorOps(), LowerCONCAT_VECTORS_i1(), performDUPCombine(), and performSignExtendInRegCombine().

◆ getEVT()

EVT EVT::getEVT	(	Type *	Ty,
		bool	HandleUnknown = `false`
	)

static

Return the value type corresponding to the specified type.

getEVT - Return the value type corresponding to the specified type.

This returns all pointers as iPTR. If HandleUnknown is true, unknown types are returned as Other, otherwise they are invalid.

This returns all pointers as MVT::iPTR. If HandleUnknown is true, unknown types are returned as Other, otherwise they are invalid.

Definition at line 616 of file ValueTypes.cpp.

References llvm::Type::FixedVectorTyID, llvm::Type::getContext(), llvm::VectorType::getElementCount(), llvm::VectorType::getElementType(), getEVT(), getIntegerVT(), llvm::Type::getTypeID(), getVectorVT(), llvm::MVT::getVT(), llvm::Type::IntegerTyID, and llvm::Type::ScalableVectorTyID.

Referenced by llvm::ARMTargetLowering::allowTruncateForTailCall(), llvm::X86TargetLowering::allowTruncateForTailCall(), llvm::CallLowering::determineAssignments(), llvm::BasicTTIImplBase< T >::getCastInstrCost(), getEVT(), llvm::TargetLoweringBase::getMemValueType(), llvm::FastISel::getRegForGEPIndex(), llvm::SITargetLowering::getTgtMemIntrinsic(), llvm::TargetLoweringBase::getValueType(), llvm::CallLowering::handleAssignments(), llvm::TargetLoweringBase::isExtFree(), isNoopBitcast(), llvm::HexagonTargetLowering::isTruncateFree(), llvm::HexagonSubtarget::isTypeForHVX(), llvm::ARMTargetLowering::lowerInterleavedLoad(), llvm::ARMTargetLowering::lowerInterleavedStore(), memVTFromLoadIntrData(), llvm::FastISel::selectBinaryOp(), and splitMergedValStore().

◆ getEVTString()

std::string EVT::getEVTString ( ) const

This function returns value type as a string, e.g. "i32".

getEVTString - This function returns value type as a string, e.g. "i32".

Definition at line 153 of file ValueTypes.cpp.

References getEVTString(), getSizeInBits(), getVectorElementCount(), getVectorElementType(), isFloatingPoint(), isInteger(), isScalableVector(), isVector(), llvm_unreachable, and llvm::MVT::SimpleTy.

Referenced by getEVTString(), llvm::MVT::print(), print(), and llvm::SDNode::print_types().

◆ getFixedSizeInBits()

uint64_t llvm::EVT::getFixedSizeInBits ( ) const

inline

Return the size of the specified fixed width value type in bits.

The function will assert if the type is scalable.

Definition at line 359 of file ValueTypes.h.

References llvm::details::FixedOrScalableQuantity< LeafTy, ValueTy >::getFixedValue(), and getSizeInBits().

Referenced by clampDynamicVectorIndex(), combineBROADCAST_LOAD(), combineLoad(), combineScalarToVector(), detectAVGPattern(), llvm::TargetLowering::expandMULO(), llvm::TargetLowering::expandUnalignedStore(), llvm::TargetLowering::expandVectorSplice(), findMemType(), getCopyFromPartsVector(), getCopyToPartsVector(), getFauxShuffleMask(), llvm::SDValue::getScalarValueSizeInBits(), llvm::TargetLowering::getVectorSubVecPointer(), llvm::MipsTargetLowering::getVectorTypeBreakdownForCallingConv(), llvm::TargetLowering::IncrementMemoryAddress(), IsMulWideOperandDemotable(), llvm::AArch64TargetLowering::isTruncateFree(), llvm::MSP430TargetLowering::isTruncateFree(), llvm::SystemZTargetLowering::isTruncateFree(), llvm::RISCVTargetLowering::joinRegisterPartsIntoValue(), lookThroughSignExtension(), llvm::NVPTXTargetLowering::LowerFormalArguments(), LowerVAARG(), performCONCAT_VECTORSCombine(), performFPExtendCombine(), performSETCCCombine(), performSTORECombine(), llvm::AMDGPUTargetLowering::performTruncateCombine(), PromoteScalarIntegerPTX(), llvm::AArch64TargetLowering::ReconstructShuffle(), llvm::RISCVTargetLowering::splitValueIntoRegisterParts(), truncateScalarIntegerArg(), tryWidenMaskForShuffle(), llvm::AArch64Subtarget::useSVEForFixedLengthVectors(), and llvm::AArch64TargetLowering::useSVEForFixedLengthVectorVT().

◆ getFloatingPointVT()

static EVT llvm::EVT::getFloatingPointVT ( unsigned BitWidth )

inlinestatic

Returns the EVT that represents a floating-point type with the given number of bits.

There are two floating-point types with 128 bits - this returns f128 rather than ppcf128.

Definition at line 58 of file ValueTypes.h.

References llvm::BitWidth, and llvm::MVT::getFloatingPointVT().

Referenced by combineConcatVectorOfScalars(), EltsFromConsecutiveLoads(), lowerFP_TO_SINT_STORE(), LowerVECTOR_SHUFFLE(), and llvm::LoongArchTargetLowering::ReplaceNodeResults().

◆ getHalfNumVectorElementsVT()

EVT llvm::EVT::getHalfNumVectorElementsVT ( LLVMContext & Context ) const

inline

Definition at line 431 of file ValueTypes.h.

References assert(), Context, getVectorElementCount(), getVectorElementType(), and getVectorVT().

Referenced by llvm::TargetLowering::expandVecReduce(), llvm::SelectionDAG::GetSplitDestVTs(), llvm::TargetLoweringBase::getTypeConversion(), LowerVectorExtend(), llvm::ARMTargetLowering::PerformMVEExtCombine(), llvm::ARMTargetLowering::PerformMVETruncCombine(), splitStores(), tryFormConcatFromShuffle(), and vectorToScalarBitmask().

◆ getHalfSizedIntegerVT()

EVT llvm::EVT::getHalfSizedIntegerVT ( LLVMContext & Context ) const

inline

Finds the smallest simple value type that is greater than or equal to half the width of this EVT.

If no simple value type can be found, an extended integer value type of half the size (rounded up) is returned.

Definition at line 408 of file ValueTypes.h.

References assert(), Context, EVT(), getIntegerVT(), getSizeInBits(), isInteger(), and isVector().

Referenced by llvm::TargetLowering::expandUnalignedStore(), llvm::AMDGPUTargetLowering::LowerSDIVREM(), llvm::AMDGPUTargetLowering::LowerUDIVREM64(), and performVectorAddSubExtCombine().

◆ getIntegerVT()

static EVT llvm::EVT::getIntegerVT	(	LLVMContext &	Context,
		unsigned	BitWidth
	)

inlinestatic

Returns the EVT that represents an integer with the given number of bits.

Definition at line 64 of file ValueTypes.h.

References llvm::BitWidth, Context, llvm::MVT::getIntegerVT(), and llvm::MVT::INVALID_SIMPLE_VALUE_TYPE.

◆ getPow2VectorType()

EVT llvm::EVT::getPow2VectorType ( LLVMContext & Context ) const

inline

Widens the length of the given vector EVT up to the nearest power of 2 and returns that type.

Definition at line 455 of file ValueTypes.h.

References Context, llvm::ElementCount::get(), llvm::details::FixedOrScalableQuantity< LeafTy, ValueTy >::getKnownMinValue(), getVectorElementCount(), getVectorElementType(), getVectorVT(), isPow2VectorType(), llvm::details::FixedOrScalableQuantity< LeafTy, ValueTy >::isScalable(), and llvm::Log2_32_Ceil().

Referenced by llvm::AMDGPUTargetLowering::analyzeFormalArgumentsCompute(), and llvm::TargetLoweringBase::getTypeConversion().

◆ getRawBits()

intptr_t llvm::EVT::getRawBits ( ) const

inline

◆ getRoundIntegerType()

EVT llvm::EVT::getRoundIntegerType ( LLVMContext & Context ) const

inline

Rounds the bit-width of the given integer EVT up to the nearest power of two (and at least to eight), and returns the integer EVT with that number of bits.

Definition at line 397 of file ValueTypes.h.

References assert(), llvm::bit_ceil(), llvm::BitWidth, Context, EVT(), getIntegerVT(), getSizeInBits(), isInteger(), and isVector().

Referenced by llvm::AMDGPUTargetLowering::analyzeFormalArgumentsCompute(), and llvm::TargetLoweringBase::getTypeConversion().

◆ getScalarSizeInBits()

uint64_t llvm::EVT::getScalarSizeInBits ( ) const

inline

Definition at line 363 of file ValueTypes.h.

References llvm::details::FixedOrScalableQuantity< LeafTy, ValueTy >::getFixedValue(), getScalarType(), and getSizeInBits().

◆ getScalarStoreSize()

uint64_t llvm::EVT::getScalarStoreSize ( ) const

inline

Definition at line 380 of file ValueTypes.h.

References llvm::details::FixedOrScalableQuantity< LeafTy, ValueTy >::getFixedValue(), getScalarType(), and getStoreSize().

◆ getScalarType()

EVT llvm::EVT::getScalarType ( ) const

inline

If this is a vector type, return the element type, otherwise return this.

Definition at line 306 of file ValueTypes.h.

References getVectorElementType(), and isVector().

◆ getSimpleVT()

MVT llvm::EVT::getSimpleVT ( ) const

inline

Return the SimpleValueType held in the specified simple EVT.

Definition at line 299 of file ValueTypes.h.

References assert(), and isSimple().

◆ getSizeInBits()

TypeSize llvm::EVT::getSizeInBits ( ) const

inline

Return the size of the specified value type in bits.

If the value type is a scalable vector type, the scalable property will be set and the runtime size will be a positive integer multiple of the base size.

Definition at line 351 of file ValueTypes.h.

References isSimple().

◆ getStoreSize()

TypeSize llvm::EVT::getStoreSize ( ) const

inline

Return the number of bytes overwritten by a store of the specified value type.

If the value type is a scalable vector type, the scalable property will be set and the runtime size will be a positive integer multiple of the base size.

Definition at line 373 of file ValueTypes.h.

References llvm::details::FixedOrScalableQuantity< LeafTy, ValueTy >::getKnownMinValue(), getSizeInBits(), and llvm::details::FixedOrScalableQuantity< LeafTy, ValueTy >::isScalable().

Referenced by llvm::AArch64TargetLowering::allowsMisalignedMemoryAccesses(), llvm::RISCVTargetLowering::allowsMisalignedMemoryAccesses(), llvm::AMDGPUTargetLowering::analyzeFormalArgumentsCompute(), llvm::X86TargetLowering::BuildFILD(), CalculateStackSlotAlignment(), CalculateStackSlotSize(), CanMergeParamLoadStoresStartingAt(), combineStore(), ComputePTXValueVTs(), llvm::SelectionDAG::CreateStackTemporary(), llvm::TargetLowering::expandUnalignedLoad(), llvm::TargetLowering::expandUnalignedStore(), llvm::TargetLowering::expandVectorSplice(), findConsecutiveLoad(), getBROADCAST_LOAD(), llvm::SelectionDAG::getLoad(), llvm::SelectionDAG::getLoadVP(), llvm::SelectionDAG::getMemIntrinsicNode(), getParamsForOneTrueMaskedElt(), getScalarStoreSize(), llvm::SelectionDAG::getStore(), getStoreSizeInBits(), llvm::PPCTargetLowering::getTgtMemIntrinsic(), llvm::SelectionDAG::getTruncStore(), llvm::SelectionDAG::getTruncStoreVP(), getVPermMask(), llvm::TargetLowering::IncrementMemoryAddress(), llvm::RISCVTTIImpl::isLegalMaskedGatherScatter(), llvm::RISCVTTIImpl::isLegalMaskedLoadStore(), llvm::RISCVTargetLowering::isLegalStridedLoadStore(), isOnlyUsedByStores(), llvm::AMDGPUTargetLowering::loadStackInputValue(), llvm::SystemZTargetLowering::LowerCall(), llvm::LoongArchTargetLowering::LowerCall(), llvm::RISCVTargetLowering::LowerCall(), llvm::R600TargetLowering::LowerFormalArguments(), llvm::MSP430TargetLowering::LowerRETURNADDR(), llvm::MemSDNode::MemSDNode(), narrowExtractedVectorLoad(), llvm::SITargetLowering::passSpecialInputs(), performCONCAT_VECTORSCombine(), llvm::PPCTargetLowering::PerformDAGCombine(), llvm::AMDGPUTargetLowering::performLoadCombine(), llvm::AMDGPUTargetLowering::performStoreCombine(), llvm::RISCVDAGToDAGISel::Select(), llvm::AMDGPUTargetLowering::shouldCombineMemoryType(), ShrinkLoadReplaceStoreWithStore(), llvm::AMDGPUTargetLowering::SplitVectorLoad(), llvm::AMDGPUTargetLowering::SplitVectorStore(), splitVectorStore(), and unpackFromMemLoc().

◆ getStoreSizeInBits()

TypeSize llvm::EVT::getStoreSizeInBits ( ) const

inline

Return the number of bits overwritten by a store of the specified value type.

If the value type is a scalable vector type, the scalable property will be set and the runtime size will be a positive integer multiple of the base size.

Definition at line 390 of file ValueTypes.h.

References getStoreSize().

Referenced by llvm::AMDGPUTargetLowering::analyzeFormalArgumentsCompute(), combineBoolVectorAndTruncateStore(), EltsFromConsecutiveLoads(), llvm::AMDGPUTargetLowering::getEquivalentMemType(), llvm::TargetLowering::scalarizeVectorLoad(), llvm::AMDGPUTargetLowering::shouldReduceLoadWidth(), and llvm::X86TargetLowering::SimplifyDemandedVectorEltsForTargetNode().

◆ getTypeForEVT()

Type * EVT::getTypeForEVT ( LLVMContext & Context ) const

This method returns an LLVM type corresponding to the specified EVT.

getTypeForEVT - This method returns an LLVM type corresponding to the specified EVT.

For integer types, this returns an unsigned type. Note that this will abort for types that cannot be represented.

Definition at line 194 of file ValueTypes.cpp.

References assert(), Context, llvm::IntegerType::get(), llvm::TargetExtType::get(), llvm::ScalableVectorType::get(), llvm::FixedVectorType::get(), llvm::Type::getBFloatTy(), llvm::Type::getDoubleTy(), llvm::Type::getFloatTy(), llvm::Type::getFP128Ty(), llvm::Type::getHalfTy(), llvm::Type::getInt128Ty(), llvm::Type::getInt16Ty(), llvm::Type::getInt1Ty(), llvm::Type::getInt32Ty(), llvm::Type::getInt64Ty(), llvm::Type::getInt8Ty(), llvm::Type::getIntNTy(), llvm::Type::getMetadataTy(), llvm::Type::getPPC_FP128Ty(), llvm::Type::getVoidTy(), llvm::Type::getWasm_ExternrefTy(), llvm::Type::getWasm_FuncrefTy(), llvm::Type::getX86_AMXTy(), llvm::Type::getX86_FP80Ty(), llvm::Type::getX86_MMXTy(), isExtended(), and llvm::MVT::SimpleTy.

Referenced by llvm::TargetLoweringBase::allowsMemoryAccessForAlignment(), llvm::analyzeArguments(), canFoldInAddressingMode(), combineTargetShuffle(), llvm::SelectionDAG::CreateStackTemporary(), llvm::TargetLowering::expandIS_FPCLASS(), llvm::SelectionDAG::expandVAArg(), llvm::AArch64TTIImpl::getArithmeticReductionCostSVE(), llvm::AArch64TTIImpl::getCastInstrCost(), getDivRemArgList(), llvm::SelectionDAG::getEVTAlign(), llvm::AArch64TTIImpl::getIntrinsicInstrCost(), getMemsetStringVal(), llvm::AArch64TTIImpl::getMinMaxReductionCost(), getPrefTypeAlign(), llvm::SelectionDAG::getReducedAlign(), llvm::CallLowering::getReturnInfo(), llvm::AArch64TTIImpl::getSpliceCost(), llvm::PPCTargetLowering::isFMAFasterThanFMulAndFAdd(), isSaturatingMinMax(), llvm::NVPTXTargetLowering::LowerCall(), llvm::TargetLowering::LowerCallTo(), llvm::SparcTargetLowering::LowerF128_LibCallArg(), llvm::NVPTXTargetLowering::LowerFormalArguments(), LowerFSINCOS(), llvm::AArch64CallLowering::lowerReturn(), llvm::SystemZTargetLowering::makeExternalCall(), llvm::TargetLowering::makeLibCall(), llvm::PPCTargetLowering::PerformDAGCombine(), and ReplaceLoadVector().

◆ getVectorElementCount()

ElementCount llvm::EVT::getVectorElementCount ( ) const

inline

Definition at line 333 of file ValueTypes.h.

References assert(), isSimple(), and isVector().

◆ getVectorElementType()

EVT llvm::EVT::getVectorElementType ( ) const

inline

Given a vector type, return the type of each element.

Definition at line 311 of file ValueTypes.h.

References assert(), isSimple(), and isVector().

◆ getVectorMinNumElements()

unsigned llvm::EVT::getVectorMinNumElements ( ) const

inline

Given a vector type, return the minimum number of elements it contains.

Definition at line 342 of file ValueTypes.h.

References llvm::details::FixedOrScalableQuantity< LeafTy, ValueTy >::getKnownMinValue(), and getVectorElementCount().

Referenced by llvm::SelectionDAG::canCreateUndefOrPoison(), clampDynamicVectorIndex(), combineBitcastvxi1(), llvm::TargetLowering::expandVectorSplice(), findMoreOptimalIndexType(), getCopyToPartsVector(), llvm::SelectionDAG::getNode(), getPromotedVTForPredicate(), getSubVectorSrc(), llvm::isConstOrConstSplat(), llvm::isConstOrConstSplatFP(), llvm::AArch64TargetLowering::isExtractSubvectorCheap(), isPow2VectorType(), narrowExtractedVectorLoad(), performBuildVectorCombine(), PerformVECREDUCE_ADDCombine(), SelectOpcodeFromVT(), llvm::SelectionDAG::SplitEVL(), and llvm::SelectionDAG::SplitVector().

◆ getVectorNumElements()

unsigned llvm::EVT::getVectorNumElements ( ) const

inline

Given a vector type, return the number of elements it contains.

Definition at line 319 of file ValueTypes.h.

References assert(), isScalableVector(), isSimple(), isVector(), and llvm::reportInvalidSizeRequest().

◆ getVectorVT() [1/2]

static EVT llvm::EVT::getVectorVT	(	LLVMContext &	Context,
		EVT	VT,
		ElementCount	EC
	)

inlinestatic

Returns the EVT that represents a vector EC.Min elements in length, where each element is of type VT.

Definition at line 83 of file ValueTypes.h.

References Context, llvm::MVT::getVectorVT(), and llvm::MVT::INVALID_SIMPLE_VALUE_TYPE.

◆ getVectorVT() [2/2]

static EVT llvm::EVT::getVectorVT	(	LLVMContext &	Context,
		EVT	VT,
		unsigned	NumElements,
		bool	IsScalable = `false`
	)

inlinestatic

Returns the EVT that represents a vector NumElements in length, where each element is of type VT.

Definition at line 73 of file ValueTypes.h.

References Context, llvm::MVT::getVectorVT(), and llvm::MVT::INVALID_SIMPLE_VALUE_TYPE.

◆ is1024BitVector()

bool llvm::EVT::is1024BitVector ( ) const

inline

Return true if this is a 1024-bit vector type.

Definition at line 211 of file ValueTypes.h.

References isSimple().

◆ is128BitVector()

bool llvm::EVT::is128BitVector ( ) const

inline

Return true if this is a 128-bit vector type.

Definition at line 196 of file ValueTypes.h.

References isSimple().

Referenced by AddCombineVUZPToVPADDL(), addRequiredExtensionForVectorMULL(), AddRequiredExtensionForVMULL(), combineAndShuffleNot(), combineBitcast(), combineHorizOpWithShuffle(), combineLoad(), combineLogicBlendIntoPBLENDV(), combinePTESTCC(), combineShuffleOfConcatUndef(), combineStore(), combineVectorPack(), combineVSelectToBLENDV(), constructDup(), EltsFromConsecutiveLoads(), getOnesVector(), getTargetVShiftNode(), getVectorShuffleOpcode(), getVShift(), getZeroVector(), insert128BitVector(), isLegalMaskCompare(), llvm::AArch64TargetLowering::isShuffleMaskLegal(), llvm::ARMTargetLowering::isShuffleMaskLegal(), isVMOVModifiedImm(), LowerMUL(), LowerVecReduceMinMax(), performANDCombine(), performDupLane128Combine(), PerformMULCombine(), performORCombine(), PerformORCombine(), performPostLD1Combine(), performTruncateCombine(), PerformVECREDUCE_ADDCombine(), performXORCombine(), llvm::AArch64TargetLowering::ReconstructShuffle(), llvm::X86TargetLowering::ReplaceNodeResults(), scalarizeVectorStore(), supportedVectorShiftWithImm(), supportedVectorVarShift(), truncateVectorWithNARROW(), truncateVectorWithPACK(), and llvm::AArch64TargetLowering::useSVEForFixedLengthVectorVT().

◆ is16BitVector()

bool llvm::EVT::is16BitVector ( ) const

inline

Return true if this is a 16-bit vector type.

Definition at line 181 of file ValueTypes.h.

References isSimple().

◆ is2048BitVector()

bool llvm::EVT::is2048BitVector ( ) const

inline

Return true if this is a 2048-bit vector type.

Definition at line 216 of file ValueTypes.h.

References isSimple().

◆ is256BitVector()

bool llvm::EVT::is256BitVector ( ) const

inline

◆ is32BitVector()

bool llvm::EVT::is32BitVector ( ) const

inline

Return true if this is a 32-bit vector type.

Definition at line 186 of file ValueTypes.h.

References isSimple().

◆ is512BitVector()

bool llvm::EVT::is512BitVector ( ) const

inline

Return true if this is a 512-bit vector type.

Definition at line 206 of file ValueTypes.h.

References isSimple().

Referenced by combineAndShuffleNot(), combineConcatVectorOps(), combineScalarAndWithMaskSetcc(), combineStore(), combineTruncateWithSat(), combineVSelectToBLENDV(), EltsFromConsecutiveLoads(), extract128BitVector(), extract256BitVector(), getOnesVector(), LowerVectorAllEqual(), narrowShuffle(), llvm::X86TargetLowering::shouldFoldSelectWithIdentityConstant(), llvm::X86TargetLowering::shouldReduceLoadWidth(), llvm::X86TargetLowering::SimplifyDemandedVectorEltsForTargetNode(), splitVectorIntBinary(), splitVectorIntUnary(), splitVectorStore(), supportedVectorShiftWithImm(), supportedVectorVarShift(), and truncateVectorWithPACK().

◆ is64BitVector()

bool llvm::EVT::is64BitVector ( ) const

inline

Return true if this is a 64-bit vector type.

Definition at line 191 of file ValueTypes.h.

References isSimple().

Referenced by AddCombineVUZPToVPADDL(), combineVectorPack(), CombineVLDDUP(), getVectorShuffleOpcode(), llvm::AArch64TargetLowering::isShuffleMaskLegal(), llvm::ARMTargetLowering::isShuffleMaskLegal(), isVUZP_v_undef_Mask(), isVUZPMask(), isVZIP_v_undef_Mask(), isVZIPMask(), LowerCTPOP(), LowerMUL(), performANDCombine(), performDUPCombine(), PerformMULCombine(), performPostLD1Combine(), performTruncateCombine(), llvm::AArch64TargetLowering::ReconstructShuffle(), and llvm::AArch64TargetLowering::useSVEForFixedLengthVectorVT().

◆ isByteSized()

bool llvm::EVT::isByteSized ( ) const

inline

Return true if the bit size is a multiple of 8.

Definition at line 226 of file ValueTypes.h.

References getSizeInBits(), llvm::details::FixedOrScalableQuantity< LeafTy, ValueTy >::isKnownMultipleOf(), and isZeroSized().

Referenced by getFauxShuffleMask(), narrowExtractedVectorLoad(), llvm::TargetLowering::scalarizeVectorLoad(), llvm::TargetLowering::scalarizeVectorStore(), and llvm::AMDGPUTargetLowering::shouldCombineMemoryType().

◆ isExtended()

bool llvm::EVT::isExtended ( ) const

inline

Test if the given EVT is extended (as opposed to being simple).

Definition at line 134 of file ValueTypes.h.

References isSimple().

Referenced by llvm::AMDGPUTargetLowering::analyzeFormalArgumentsCompute(), llvm::TargetLoweringBase::getLoadExtAction(), llvm::TargetLoweringBase::getOperationAction(), llvm::TargetLoweringBase::getTruncStoreAction(), getTypeForEVT(), llvm::SelectionDAG::getValueType(), and llvm::PPCTargetLowering::PerformDAGCombine().

◆ isFixedLengthVector()

bool llvm::EVT::isFixedLengthVector ( ) const

inline

Definition at line 170 of file ValueTypes.h.

References isSimple().

Referenced by clampDynamicVectorIndex(), llvm::SelectionDAG::computeKnownBits(), llvm::SelectionDAG::ComputeNumSignBits(), convertFromScalableVector(), findMoreOptimalIndexType(), llvm::SelectionDAG::FoldConstantArithmetic(), foldExtractSubvectorFromShuffleVector(), llvm::AArch64TTIImpl::getCastInstrCost(), llvm::ARMTTIImpl::getCastInstrCost(), getConstantLaneNumOfExtractHalfOperand(), getContainerForFixedLengthVector(), getKnownUndefForVectorBinop(), llvm::SelectionDAG::getNode(), getPredicateForFixedLengthVector(), getPredicateForVector(), getVectorBitwiseReduce(), llvm::isConstOrConstSplat(), llvm::isConstOrConstSplatFP(), llvm::RISCVTTIImpl::isLegalMaskedGatherScatter(), llvm::RISCVTTIImpl::isLegalMaskedLoadStore(), llvm::RISCVTargetLowering::isLegalStridedLoadStore(), llvm::TargetLoweringBase::isLoadBitCastBeneficial(), isPackedVectorType(), llvm::RISCVTargetLowering::LowerOperation(), narrowExtractedVectorBinOp(), llvm::RISCVTargetLowering::PerformDAGCombine(), performFP_TO_INTCombine(), performFPExtendCombine(), PerformInsertSubvectorCombine(), performInsertSubvectorCombine(), performIntrinsicCombine(), performSETCCCombine(), performSTORECombine(), performTruncateCombine(), performVecReduceBitwiseCombine(), performVectorAddSubExtCombine(), llvm::RISCVTargetLowering::ReplaceNodeResults(), llvm::RISCVTargetLowering::shouldFoldSelectWithIdentityConstant(), llvm::TargetLowering::SimplifyDemandedBits(), llvm::TargetLowering::SimplifyMultipleUseDemandedBits(), llvm::SelectionDAG::SplitEVL(), splitStores(), tryAdvSIMDModImm16(), tryAdvSIMDModImm32(), tryToFoldExtOfLoad(), llvm::AArch64Subtarget::useSVEForFixedLengthVectors(), and llvm::AArch64TargetLowering::useSVEForFixedLengthVectorVT().

◆ isFloatingPoint()

bool llvm::EVT::isFloatingPoint ( ) const

inline

Return true if this is a FP or a vector FP type.

Definition at line 139 of file ValueTypes.h.

References isSimple().

◆ isInteger()

bool llvm::EVT::isInteger ( ) const

inline

Return true if this is an integer or a vector integer type.

Definition at line 144 of file ValueTypes.h.

References isSimple().

◆ isOverloaded()

bool llvm::EVT::isOverloaded ( ) const

inline

Return true if this is an overloaded type for TableGen.

Definition at line 221 of file ValueTypes.h.

◆ isPow2VectorType()

bool llvm::EVT::isPow2VectorType ( ) const

inline

Returns true if the given vector is a power of 2.

Definition at line 448 of file ValueTypes.h.

References getVectorMinNumElements().

Referenced by llvm::AMDGPUTargetLowering::analyzeFormalArgumentsCompute(), llvm::TargetLowering::expandVecReduce(), getPow2VectorType(), llvm::TargetLoweringBase::getTypeConversion(), getVectorBitwiseReduce(), performVecReduceBitwiseCombine(), PerformVQDMULHCombine(), and llvm::AArch64TargetLowering::useSVEForFixedLengthVectorVT().

◆ isRound()

bool llvm::EVT::isRound ( ) const

inline

Return true if the size is a power-of-two number of bytes.

Definition at line 231 of file ValueTypes.h.

References getSizeInBits(), and isScalableVector().

Referenced by isOnlyUsedByStores(), and llvm::TargetLowering::SimplifySetCC().

◆ isScalableTargetExtVT()

bool llvm::EVT::isScalableTargetExtVT ( ) const

inline

Return true if this is a vector type where the runtime length is machine dependent.

Definition at line 155 of file ValueTypes.h.

References isSimple().

Referenced by isScalableVT().

◆ isScalableVector()

bool llvm::EVT::isScalableVector ( ) const

inline

Return true if this is a vector type where the runtime length is machine dependent.

Definition at line 166 of file ValueTypes.h.

References isSimple().

◆ isScalableVT()

bool llvm::EVT::isScalableVT ( ) const

inline

Return true if the type is a scalable type.

Definition at line 176 of file ValueTypes.h.

References isScalableTargetExtVT(), and isScalableVector().

Referenced by performSelectCombine().

◆ isScalarInteger()

bool llvm::EVT::isScalarInteger ( ) const

inline

Return true if this is an integer, but not a vector.

Definition at line 149 of file ValueTypes.h.

References isSimple().

Referenced by combineBitcast(), combineBMILogicOp(), combineCastedMaskArithmetic(), combineExtractWithShuffle(), combineOr(), combineSetCC(), combineToExtendBoolVectorInReg(), combineVectorSizedSetCCEquality(), llvm::ARMTargetLowering::convertSetCCLogicToBitwiseLogic(), llvm::PPCTargetLowering::convertSetCCLogicToBitwiseLogic(), llvm::RISCVTargetLowering::convertSetCCLogicToBitwiseLogic(), llvm::SystemZTargetLowering::convertSetCCLogicToBitwiseLogic(), llvm::X86TargetLowering::convertSetCCLogicToBitwiseLogic(), llvm::LoongArchTargetLowering::decomposeMulByConstant(), llvm::PPCTargetLowering::decomposeMulByConstant(), llvm::RISCVTargetLowering::decomposeMulByConstant(), expandDivFix(), llvm::SystemZTTIImpl::hasDivRemOp(), llvm::RISCVTargetLowering::isDesirableToCommuteWithShift(), llvm::X86TargetLowering::isTruncateFree(), isWorthFoldingAdd(), performAddCSelIntoCSinc(), performAddUADDVCombine(), performBITREVERSECombine(), llvm::RISCVTargetLowering::PerformDAGCombine(), performSETCCCombine(), llvm::AArch64TargetLowering::preferIncOfAddToSubOfNot(), llvm::ARMTargetLowering::preferIncOfAddToSubOfNot(), llvm::PPCTargetLowering::preferIncOfAddToSubOfNot(), PromoteScalarIntegerPTX(), truncateScalarIntegerArg(), and tryDemorganOfBooleanCondition().

◆ isSimple()

bool llvm::EVT::isSimple ( ) const

inline

Test if the given EVT is simple (as opposed to being extended).

Definition at line 129 of file ValueTypes.h.

References llvm::MVT::INVALID_SIMPLE_VALUE_TYPE.

◆ isVector()

bool llvm::EVT::isVector ( ) const

inline

Return true if this is a vector value type.

Definition at line 160 of file ValueTypes.h.

References isSimple().

◆ isZeroSized()

bool llvm::EVT::isZeroSized ( ) const

inline

Test if the given EVT has zero size, this will fail if called on a scalable type.

Definition at line 124 of file ValueTypes.h.

References getSizeInBits(), and llvm::details::FixedOrScalableQuantity< LeafTy, ValueTy >::isZero().

Referenced by llvm::TargetLoweringBase::allowsMemoryAccessForAlignment(), and isByteSized().

◆ knownBitsGE()

bool llvm::EVT::knownBitsGE ( EVT VT ) const

inline

Return true if we know at compile time this has more than or the same bits as VT.

Definition at line 251 of file ValueTypes.h.

References getSizeInBits(), and llvm::details::FixedOrScalableQuantity< TypeSize, uint64_t >::isKnownGE().

Referenced by bitsGE().

◆ knownBitsGT()

bool llvm::EVT::knownBitsGT ( EVT VT ) const

inline

Return true if we know at compile time this has more bits than VT.

Definition at line 245 of file ValueTypes.h.

References getSizeInBits(), and llvm::details::FixedOrScalableQuantity< TypeSize, uint64_t >::isKnownGT().

Referenced by bitsGT().

◆ knownBitsLE()

bool llvm::EVT::knownBitsLE ( EVT VT ) const

inline

Return true if we know at compile time this has fewer than or the same bits as VT.

Definition at line 262 of file ValueTypes.h.

References getSizeInBits(), and llvm::details::FixedOrScalableQuantity< TypeSize, uint64_t >::isKnownLE().

Referenced by bitsLE().

◆ knownBitsLT()

bool llvm::EVT::knownBitsLT ( EVT VT ) const

inline

Return true if we know at compile time this has fewer bits than VT.

Definition at line 256 of file ValueTypes.h.

References getSizeInBits(), and llvm::details::FixedOrScalableQuantity< TypeSize, uint64_t >::isKnownLT().

Referenced by bitsLT().

◆ operator!=()

bool llvm::EVT::operator!= ( EVT VT ) const

inline

Definition at line 47 of file ValueTypes.h.

References llvm::MVT::INVALID_SIMPLE_VALUE_TYPE, and llvm::MVT::SimpleTy.

◆ operator==()

bool llvm::EVT::operator== ( EVT VT ) const

inline

Definition at line 44 of file ValueTypes.h.

◆ print()

void llvm::EVT::print ( raw_ostream & OS ) const

inline

Implement operator<<.

Definition at line 474 of file ValueTypes.h.

References getEVTString(), and OS.

Referenced by dump().

◆ widenIntegerVectorElementType()

EVT llvm::EVT::widenIntegerVectorElementType ( LLVMContext & Context ) const

inline

Return a VT for an integer vector type with the size of the elements doubled.

The typed returned may be an extended type.

Definition at line 422 of file ValueTypes.h.

References Context, getIntegerVT(), getSizeInBits(), getVectorElementCount(), getVectorElementType(), and getVectorVT().

Referenced by performMSTORECombine().

The documentation for this struct was generated from the following files:

include/llvm/CodeGen/ValueTypes.h
lib/CodeGen/ValueTypes.cpp

Classes

Public Member Functions

Static Public Member Functions

Detailed Description

Constructor & Destructor Documentation

◆ EVT() [1/3]

◆ EVT() [2/3]

◆ EVT() [3/3]

Member Function Documentation

◆ bitsEq()

◆ bitsGE()

◆ bitsGT()

◆ bitsLE()

◆ bitsLT()

◆ changeTypeToInteger()

◆ changeVectorElementType()

◆ changeVectorElementTypeToInteger()

◆ dump()

◆ getDoubleNumVectorElementsVT()

◆ getEVT()

◆ getEVTString()

◆ getFixedSizeInBits()

◆ getFloatingPointVT()

◆ getHalfNumVectorElementsVT()

◆ getHalfSizedIntegerVT()

◆ getIntegerVT()

◆ getPow2VectorType()

◆ getRawBits()

◆ getRoundIntegerType()

◆ getScalarSizeInBits()

◆ getScalarStoreSize()

◆ getScalarType()

◆ getSimpleVT()

◆ getSizeInBits()

◆ getStoreSize()

◆ getStoreSizeInBits()

◆ getTypeForEVT()

◆ getVectorElementCount()

◆ getVectorElementType()

◆ getVectorMinNumElements()

◆ getVectorNumElements()

◆ getVectorVT() [1/2]

◆ getVectorVT() [2/2]

◆ is1024BitVector()

◆ is128BitVector()

◆ is16BitVector()

◆ is2048BitVector()

◆ is256BitVector()

◆ is32BitVector()

◆ is512BitVector()

◆ is64BitVector()

◆ isByteSized()

◆ isExtended()

◆ isFixedLengthVector()

◆ isFloatingPoint()

◆ isInteger()

◆ isOverloaded()

◆ isPow2VectorType()

◆ isRound()

◆ isScalableTargetExtVT()

◆ isScalableVector()

◆ isScalableVT()

◆ isScalarInteger()

◆ isSimple()

◆ isVector()

◆ isZeroSized()

◆ knownBitsGE()

◆ knownBitsGT()

◆ knownBitsLE()

◆ knownBitsLT()

◆ operator!=()

◆ operator==()

◆ print()

◆ widenIntegerVectorElementType()