MLIR  19.0.0git
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mlir::AffineMap Class Reference

A multi-dimensional affine map Affine map's are immutable like Type's, and they are uniqued. More...

#include "mlir/IR/AffineMap.h"

Public Types

using ImplType = detail::AffineMapStorage
 

Public Member Functions

constexpr AffineMap ()=default
 
 AffineMap (ImplType *map)
 
MLIRContextgetContext () const
 
 operator bool () const
 
bool operator== (AffineMap other) const
 
bool operator!= (AffineMap other) const
 
bool isIdentity () const
 Returns true if this affine map is an identity affine map. More...
 
bool isSymbolIdentity () const
 Returns true if this affine map is an identity affine map on the symbol identifiers. More...
 
bool isMinorIdentity () const
 Returns true if this affine map is a minor identity, i.e. More...
 
bool isMinorIdentityWithBroadcasting (SmallVectorImpl< unsigned > *broadcastedDims=nullptr) const
 Returns true if this affine map is a minor identity up to broadcasted dimensions which are indicated by value 0 in the result. More...
 
bool isPermutationOfMinorIdentityWithBroadcasting (SmallVectorImpl< unsigned > &permutedDims) const
 Return true if this affine map can be converted to a minor identity with broadcast by doing a permute. More...
 
bool isEmpty () const
 Returns true if this affine map is an empty map, i.e., () -> (). More...
 
bool isSingleConstant () const
 Returns true if this affine map is a single result constant function. More...
 
bool isConstant () const
 Returns true if this affine map has only constant results. More...
 
int64_t getSingleConstantResult () const
 Returns the constant result of this map. More...
 
SmallVector< int64_t > getConstantResults () const
 Returns the constant results of this map. More...
 
void print (raw_ostream &os) const
 
void dump () const
 
unsigned getNumDims () const
 
unsigned getNumSymbols () const
 
unsigned getNumResults () const
 
unsigned getNumInputs () const
 
ArrayRef< AffineExprgetResults () const
 
AffineExpr getResult (unsigned idx) const
 
unsigned getDimPosition (unsigned idx) const
 Extracts the position of the dimensional expression at the given result, when the caller knows it is safe to do so. More...
 
std::optional< unsigned > getResultPosition (AffineExpr input) const
 Extracts the first result position where input dimension resides. More...
 
bool isFunctionOfDim (unsigned position) const
 Return true if any affine expression involves AffineDimExpr position. More...
 
bool isFunctionOfSymbol (unsigned position) const
 Return true if any affine expression involves AffineSymbolExpr position. More...
 
void walkExprs (llvm::function_ref< void(AffineExpr)> callback) const
 Walk all of the AffineExpr's in this mapping. More...
 
AffineMap replaceDimsAndSymbols (ArrayRef< AffineExpr > dimReplacements, ArrayRef< AffineExpr > symReplacements, unsigned numResultDims, unsigned numResultSyms) const
 This method substitutes any uses of dimensions and symbols (e.g. More...
 
AffineMap replace (AffineExpr expr, AffineExpr replacement, unsigned numResultDims, unsigned numResultSyms) const
 Sparse replace method. More...
 
AffineMap replace (const DenseMap< AffineExpr, AffineExpr > &map) const
 Sparse replace method. More...
 
AffineMap replace (const DenseMap< AffineExpr, AffineExpr > &map, unsigned numResultDims, unsigned numResultSyms) const
 Sparse replace method. More...
 
AffineMap shiftDims (unsigned shift, unsigned offset=0) const
 Replace dims[offset ... More...
 
AffineMap shiftSymbols (unsigned shift, unsigned offset=0) const
 Replace symbols[offset ... More...
 
AffineMap dropResult (int64_t pos) const
 Returns a new AffineMap with the same number of dims and symbols and one less result at pos, dropped. More...
 
AffineMap dropResults (ArrayRef< int64_t > positions) const
 
AffineMap dropResults (const llvm::SmallBitVector &positions) const
 
AffineMap insertResult (AffineExpr expr, unsigned pos) const
 Returns a new AffineMap with the same number of dims and symbols and an extra result inserted at pos. More...
 
LogicalResult constantFold (ArrayRef< Attribute > operandConstants, SmallVectorImpl< Attribute > &results, bool *hasPoison=nullptr) const
 Folds the results of the application of an affine map on the provided operands to a constant if possible. More...
 
AffineMap partialConstantFold (ArrayRef< Attribute > operandConstants, SmallVectorImpl< int64_t > *results=nullptr, bool *hasPoison=nullptr) const
 Propagates the constant operands into this affine map. More...
 
AffineMap compose (AffineMap map) const
 Returns the AffineMap resulting from composing this with map. More...
 
SmallVector< int64_t, 4 > compose (ArrayRef< int64_t > values) const
 Applies composition by the dims of this to the integer values and returns the resulting values. More...
 
bool isProjectedPermutation (bool allowZeroInResults=false) const
 Returns true if the AffineMap represents a subset (i.e. More...
 
bool isPermutation () const
 Returns true if the AffineMap represents a symbol-less permutation map. More...
 
AffineMap getSubMap (ArrayRef< unsigned > resultPos) const
 Returns the map consisting of the resultPos subset. More...
 
AffineMap getSliceMap (unsigned start, unsigned length) const
 Returns the map consisting of length expressions starting from start. More...
 
AffineMap getMajorSubMap (unsigned numResults) const
 Returns the map consisting of the most major numResults results. More...
 
AffineMap getMinorSubMap (unsigned numResults) const
 Returns the map consisting of the most minor numResults results. More...
 
uint64_t getLargestKnownDivisorOfMapExprs ()
 Get the largest known divisor of all map expressions. More...
 
const void * getAsOpaquePointer () const
 Methods supporting C API. More...
 

Static Public Member Functions

static AffineMap get (MLIRContext *context)
 Returns a zero result affine map with no dimensions or symbols: () -> (). More...
 
static AffineMap get (unsigned dimCount, unsigned symbolCount, MLIRContext *context)
 Returns a zero result affine map with dimCount dimensions and symbolCount symbols, e.g. More...
 
static AffineMap get (unsigned dimCount, unsigned symbolCount, AffineExpr result)
 Returns an affine map with dimCount dimensions and symbolCount mapping to a single output dimension. More...
 
static AffineMap get (unsigned dimCount, unsigned symbolCount, ArrayRef< AffineExpr > results, MLIRContext *context)
 Returns an affine map with dimCount dimensions and symbolCount mapping to the given results. More...
 
static AffineMap getConstantMap (int64_t val, MLIRContext *context)
 Returns a single constant result affine map. More...
 
static AffineMap getMultiDimIdentityMap (unsigned numDims, MLIRContext *context)
 Returns an AffineMap with 'numDims' identity result dim exprs. More...
 
static AffineMap getMinorIdentityMap (unsigned dims, unsigned results, MLIRContext *context)
 Returns an identity affine map (d0, ..., dn) -> (dp, ..., dn) on the most minor dimensions. More...
 
static AffineMap getFilteredIdentityMap (MLIRContext *ctx, unsigned numDims, llvm::function_ref< bool(AffineDimExpr)> keepDimFilter)
 Returns an identity affine map with numDims input dimensions and filtered results using keepDimFilter. More...
 
static AffineMap getPermutationMap (ArrayRef< unsigned > permutation, MLIRContext *context)
 Returns an AffineMap representing a permutation. More...
 
static AffineMap getPermutationMap (ArrayRef< int64_t > permutation, MLIRContext *context)
 
static AffineMap getMultiDimMapWithTargets (unsigned numDims, ArrayRef< unsigned > targets, MLIRContext *context)
 Returns an affine map with numDims input dimensions and results specified by targets. More...
 
static SmallVector< AffineMap, 4 > inferFromExprList (ArrayRef< ArrayRef< AffineExpr >> exprsList, MLIRContext *context)
 Returns a vector of AffineMaps; each with as many results as exprs.size(), as many dims as the largest dim in exprs and as many symbols as the largest symbol in exprs. More...
 
static SmallVector< AffineMap, 4 > inferFromExprList (ArrayRef< SmallVector< AffineExpr, 4 >> exprsList, MLIRContext *context)
 
static AffineMap getFromOpaquePointer (const void *pointer)
 

Friends

::llvm::hash_code hash_value (AffineMap arg)
 

Detailed Description

A multi-dimensional affine map Affine map's are immutable like Type's, and they are uniqued.

Eg: (d0, d1) -> (d0/128, d0 mod 128, d1) The names used (d0, d1) don't matter - it's the mathematical function that is unique to this affine map.

Definition at line 47 of file AffineMap.h.

Member Typedef Documentation

◆ ImplType

Definition at line 49 of file AffineMap.h.

Constructor & Destructor Documentation

◆ AffineMap() [1/2]

constexpr mlir::AffineMap::AffineMap ( )
constexprdefault

◆ AffineMap() [2/2]

mlir::AffineMap::AffineMap ( ImplType map)
inlineexplicit

Definition at line 52 of file AffineMap.h.

Member Function Documentation

◆ compose() [1/2]

AffineMap AffineMap::compose ( AffineMap  map) const

Returns the AffineMap resulting from composing this with map.

The resulting AffineMap has as many AffineDimExpr as map and as many AffineSymbolExpr as the concatenation of this and map (in which case the symbols of this map come first).

Prerequisites: The maps are composable, i.e. that the number of AffineDimExpr of this matches the number of results of map.

Example: map1: (d0, d1)[s0, s1] -> (d0 + 1 + s1, d1 - 1 - s0) map2: (d0)[s0] -> (d0 + s0, d0 - s0) map1.compose(map2): (d0)[s0, s1, s2] -> (d0 + s1 + s2 + 1, d0 - s0 - s2 - 1)

Definition at line 540 of file AffineMap.cpp.

References mlir::AffineExpr::compose(), get(), mlir::getAffineDimExpr(), mlir::getAffineSymbolExpr(), getContext(), getNumDims(), getNumResults(), getNumSymbols(), getResults(), and replaceDimsAndSymbols().

Referenced by compose(), mlir::expandDimsToRank(), mlir::sparse_tensor::foreachInSparseConstant(), mlir::linalg::fuseElementwiseOps(), getIndexingMapOfProducerOperandsInCoordinatesOfFusedOp(), mlir::vector::inferTransferOpMaskType(), mlir::linalg::interchangeGenericOp(), and transposeOneLinalgOperandAndReplace().

◆ compose() [2/2]

SmallVector< int64_t, 4 > AffineMap::compose ( ArrayRef< int64_t >  values) const

Applies composition by the dims of this to the integer values and returns the resulting values.

this must be symbol-less.

Definition at line 564 of file AffineMap.cpp.

References compose(), get(), mlir::getAffineConstantExpr(), getContext(), and getNumSymbols().

◆ constantFold()

LogicalResult AffineMap::constantFold ( ArrayRef< Attribute operandConstants,
SmallVectorImpl< Attribute > &  results,
bool *  hasPoison = nullptr 
) const

Folds the results of the application of an affine map on the provided operands to a constant if possible.

Returns false if the folding happens, true otherwise.

Definition at line 418 of file AffineMap.cpp.

References mlir::failure(), mlir::get(), getContext(), partialConstantFold(), and mlir::success().

Referenced by foldLoopBounds().

◆ dropResult()

AffineMap mlir::AffineMap::dropResult ( int64_t  pos) const
inline

Returns a new AffineMap with the same number of dims and symbols and one less result at pos, dropped.

Definition at line 286 of file AffineMap.h.

References dropResults().

◆ dropResults() [1/2]

AffineMap mlir::AffineMap::dropResults ( ArrayRef< int64_t >  positions) const
inline

Definition at line 292 of file AffineMap.h.

References get(), getContext(), getNumDims(), getNumSymbols(), and getResults().

Referenced by dropResult(), and mlir::expandDimsToRank().

◆ dropResults() [2/2]

AffineMap AffineMap::dropResults ( const llvm::SmallBitVector &  positions) const

Definition at line 531 of file AffineMap.cpp.

References get(), getContext(), getNumDims(), getNumSymbols(), and getResults().

◆ dump()

void AffineMap::dump ( ) const

Definition at line 3818 of file AsmPrinter.cpp.

Referenced by mlir::FlatLinearConstraints::getSliceBounds().

◆ get() [1/4]

AffineMap AffineMap::get ( MLIRContext context)
static

Returns a zero result affine map with no dimensions or symbols: () -> ().

Definition at line 1210 of file MLIRContext.cpp.

References mlir::OperationName::getImpl().

Referenced by mlir::ValueBoundsConstraintSet::addBound(), addConstToResults(), mlir::scf::addLoopRangeConstraints(), adjustMap(), mlir::ValueBoundsConstraintSet::areOverlappingSlices(), augmentMapAndBounds(), broadcastDynamicDimension(), mlir::tensor::bubbleUpPadSlice(), calculateImplicitMap(), canonicalizeMapExprAndTermOrder(), mlir::canonicalizeStridedLayout(), mlir::vector::castAwayContractionLeadingOneDim(), mlir::affine::coalesceLoops(), compose(), composeMultiResultAffineMap(), composeSetAndOperands(), compressUnusedListImpl(), mlir::ValueBoundsConstraintSet::computeBound(), mlir::ValueBoundsConstraintSet::computeConstantDelta(), computeIteratorTypesAndIndexingMaps(), mlir::concatAffineMaps(), constructTiledIndexSetHyperRect(), createNewDynamicSizes(), createPrivateMemRef(), createSubApply(), mlir::affine::AffineValueMap::difference(), doubleBuffer(), dropResults(), dropUnitExtentFromOperandMetadata(), emitElementwiseComputation(), mlir::linalg::extractOrIdentityMap(), forEachIJPairInAllBuffers(), mlir::affine::fullyComposeAndComputeConstantDelta(), generateCopy(), generatePointWiseCopy(), genReplaceDimToLvlMap(), mlir::MutableAffineMap::getAffineMap(), getBoundedTileSize(), getCleanupLoopLowerBound(), getCollapsedOpIndexingMap(), getCollapsedOutputDimFromInputShape(), mlir::Builder::getConstantAffineMap(), getConstantMap(), mlir::linalg::getConvolvedIndex(), mlir::Builder::getDimIdentityMap(), mlir::sparse_tensor::ir_detail::DimLvlMap::getDimToLvlMap(), mlir::Builder::getEmptyAffineMap(), getExpandedOutputDimFromInputShape(), getIndexingMapInExpandedOp(), getIndicesForAccess(), mlir::affine::FlatAffineValueConstraints::getIneqAsAffineValueMap(), mlir::nvgpu::getLaneIdAndValueIdToOperandCoord(), mlir::nvgpu::getLaneIdToLdMatrixMatrixCoord(), mlir::FlatLinearConstraints::getLowerAndUpperBound(), mlir::sparse_tensor::ir_detail::DimLvlMap::getLvlToDimMap(), getMinorIdentityMap(), getMultiDimIdentityMap(), mlir::Builder::getMultiDimIdentityMap(), getMultiDimMapWithTargets(), getRegisterIndexToTileOffsetMap(), mlir::Builder::getShiftedAffineMap(), mlir::Builder::getSingleDimShiftAffineMap(), mlir::FlatLinearConstraints::getSliceBounds(), getSliceMap(), getSubMap(), mlir::Builder::getSymbolIdentityMap(), mlir::getSymbolLessAffineMaps(), mlir::vector::getTransferMinorIdentityMap(), mlir::affine::getTripCountMapAndOperands(), inferFromExprList(), insertResult(), mlir::inverseAndBroadcastProjectedPermutation(), mlir::sparse_tensor::inverseBlockSparsity(), mlir::inversePermutation(), mlir::isBatchMatvec(), mlir::isBatchVecmat(), mlir::isColumnMajorMatmul(), mlir::isMatvec(), mlir::isRowMajorBatchMatmul(), mlir::isRowMajorMatmul(), isTransposeMatrixLoadMap(), mlir::isVecmat(), linalgBroadcastAndMaybeExtSI(), mlir::affine::loopUnrollJamByFactor(), mlir::linalg::lowerPack(), makeCanonicalAffineApplies(), makePermutationMap(), mlir::makeStridedLinearLayoutMap(), mlir::affine::mapLoopToProcessorIds(), DeduplicateAffineMinMaxExpressions< T >::matchAndRewrite(), MergeAffineMinMaxOp< T >::matchAndRewrite(), mlirAffineMapEmptyGet(), mlirAffineMapGet(), mlirAffineMapZeroResultGet(), partialConstantFold(), peelForLoop(), processParallelLoop(), projectCommonImpl(), mlir::removeDuplicateExprs(), replace(), replaceDimsAndSymbols(), mlir::affine::resolveIndicesIntoOpWithOffsetsAndStrides(), resolveSourceIndicesCollapseShape(), resolveSourceIndicesExpandShape(), mlir::linalg::rewriteInIm2Col(), setInterTileBoundsParametric(), setIntraTileBoundsParametric(), shiftDims(), shiftSymbols(), mlir::simplifyAffineMap(), simplifyMapWithOperands(), simplifyMinOrMaxExprWithOperands(), sliceTransferIndices(), transferReadSupportsMMAMatrixType(), and mlir::ValueBoundsConstraintSet::Variable::Variable().

◆ get() [2/4]

AffineMap AffineMap::get ( unsigned  dimCount,
unsigned  symbolCount,
AffineExpr  result 
)
static

Returns an affine map with dimCount dimensions and symbolCount mapping to a single output dimension.

Definition at line 1219 of file MLIRContext.cpp.

References mlir::AffineExpr::getContext(), mlir::OperationName::getImpl(), and willBeValidAffineMap().

◆ get() [3/4]

AffineMap AffineMap::get ( unsigned  dimCount,
unsigned  symbolCount,
ArrayRef< AffineExpr results,
MLIRContext context 
)
static

Returns an affine map with dimCount dimensions and symbolCount mapping to the given results.

Definition at line 1225 of file MLIRContext.cpp.

References mlir::OperationName::getImpl(), and willBeValidAffineMap().

◆ get() [4/4]

AffineMap AffineMap::get ( unsigned  dimCount,
unsigned  symbolCount,
MLIRContext context 
)
static

Returns a zero result affine map with dimCount dimensions and symbolCount symbols, e.g.

: (...) -> ().

Definition at line 1214 of file MLIRContext.cpp.

References mlir::OperationName::getImpl().

◆ getAsOpaquePointer()

const void* mlir::AffineMap::getAsOpaquePointer ( ) const
inline

Methods supporting C API.

Definition at line 385 of file AffineMap.h.

◆ getConstantMap()

AffineMap AffineMap::getConstantMap ( int64_t  val,
MLIRContext context 
)
static

Returns a single constant result affine map.

Definition at line 125 of file AffineMap.cpp.

References get(), and mlir::getAffineConstantExpr().

Referenced by mlir::affine::getTripCountMapAndOperands(), and mlirAffineMapConstantGet().

◆ getConstantResults()

SmallVector< int64_t > AffineMap::getConstantResults ( ) const

Returns the constant results of this map.

This method asserts that the map has all constant results.

Definition at line 370 of file AffineMap.cpp.

References getResults(), and isConstant().

◆ getContext()

MLIRContext * AffineMap::getContext ( ) const

◆ getDimPosition()

unsigned AffineMap::getDimPosition ( unsigned  idx) const

Extracts the position of the dimensional expression at the given result, when the caller knows it is safe to do so.

Definition at line 399 of file AffineMap.cpp.

References getResult().

Referenced by adjustMap(), getDimPosition(), getReductionIndex(), getResultIndex(), mlir::inverseAndBroadcastProjectedPermutation(), mlir::sparse_tensor::toDim(), mlir::sparse_tensor::toLvl(), and transposePackedMatmul().

◆ getFilteredIdentityMap()

AffineMap AffineMap::getFilteredIdentityMap ( MLIRContext ctx,
unsigned  numDims,
llvm::function_ref< bool(AffineDimExpr)>  keepDimFilter 
)
static

Returns an identity affine map with numDims input dimensions and filtered results using keepDimFilter.

If keepDimFilter returns true for a dimension, the dimension is kept in the affine map results. Otherwise, the dimension is dropped from the results.

Examples:

  • getFilteredIdentityMap(4, [false, true, false, true]) -> affine_map<(d0, d1, d2, d3) -> (d1, d3)>
  • getFilteredIdentityMap(3, [false, false, true]) -> affine_map<(d0, d1, d2) -> (d2)>

Definition at line 139 of file AffineMap.cpp.

References mlir::detail::enumerate(), and getMultiDimIdentityMap().

◆ getFromOpaquePointer()

static AffineMap mlir::AffineMap::getFromOpaquePointer ( const void *  pointer)
inlinestatic

Definition at line 388 of file AffineMap.h.

References AffineMap().

◆ getLargestKnownDivisorOfMapExprs()

uint64_t AffineMap::getLargestKnownDivisorOfMapExprs ( )

Get the largest known divisor of all map expressions.

For eg: for (d0, d1) -> (8*d0 + 4, 4*d1 + 2), the result is 2. In the case of maps with no expressions or all zero constant expressions, the largest known divisor is trivially the max uint64_t value.

Definition at line 307 of file AffineMap.cpp.

References mlir::presburger::gcd(), getResults(), and max().

◆ getMajorSubMap()

AffineMap AffineMap::getMajorSubMap ( unsigned  numResults) const

Returns the map consisting of the most major numResults results.

Returns the null AffineMap if numResults == 0. Returns *this if numResults >= this->getNumResults().

Definition at line 628 of file AffineMap.cpp.

References AffineMap(), getNumResults(), and getSliceMap().

◆ getMinorIdentityMap()

AffineMap AffineMap::getMinorIdentityMap ( unsigned  dims,
unsigned  results,
MLIRContext context 
)
static

Returns an identity affine map (d0, ..., dn) -> (dp, ..., dn) on the most minor dimensions.

Definition at line 132 of file AffineMap.cpp.

References get(), getMultiDimIdentityMap(), and getResults().

Referenced by mlir::vector::getTransferMinorIdentityMap(), isMinorIdentity(), and mlirAffineMapMinorIdentityGet().

◆ getMinorSubMap()

AffineMap AffineMap::getMinorSubMap ( unsigned  numResults) const

Returns the map consisting of the most minor numResults results.

Returns the null AffineMap if numResults == 0. Returns *this if numResults >= this->getNumResults().

Definition at line 636 of file AffineMap.cpp.

References AffineMap(), getNumResults(), and getSliceMap().

◆ getMultiDimIdentityMap()

AffineMap AffineMap::getMultiDimIdentityMap ( unsigned  numDims,
MLIRContext context 
)
static

◆ getMultiDimMapWithTargets()

AffineMap AffineMap::getMultiDimMapWithTargets ( unsigned  numDims,
ArrayRef< unsigned >  targets,
MLIRContext context 
)
static

Returns an affine map with numDims input dimensions and results specified by targets.

Examples:

  • getMultiDimMapWithTargets(3, [0, 2, 1]) -> affine_map<(d0, d1, d2) -> (d0, d2, d1)>
  • getMultiDimMapWithTargets(3, [2, 1]) -> affine_map<(d0, d1, d2) -> (d2, d1)>

Definition at line 264 of file AffineMap.cpp.

References get(), and mlir::getAffineDimExpr().

Referenced by getPermutationMap().

◆ getNumDims()

unsigned AffineMap::getNumDims ( ) const

Definition at line 378 of file AffineMap.cpp.

References mlir::detail::AffineMapStorage::numDims.

Referenced by mlir::FlatLinearConstraints::addBound(), addConstToResults(), adjustMap(), mlir::alignAffineMapWithValues(), augmentMapAndBounds(), buildArithValue(), canonicalizeMapExprAndTermOrder(), mlir::canonicalizeStridedLayout(), collectInadmissInfo(), compose(), composeAffineMapAndOperands(), mlir::FlatLinearConstraints::composeMatchingMap(), composeMultiResultAffineMap(), composeSetAndOperands(), compressUnusedListImpl(), constructTiledIndexSetHyperRect(), createSubApply(), dropResults(), mlir::affine::expandAffineMap(), findPermutationsIndexingOperand(), mlir::foldAttributesIntoMap(), genReplaceDimToLvlMap(), getCleanupLoopLowerBound(), getConstDifference(), mlir::getFlattenedAffineExprs(), getIndicesForAccess(), mlir::getMultiAffineFunctionFromMap(), mlir::affine::AffineValueMap::getNumDims(), mlir::affine::getRelationFromMap(), getShardingAttribute(), mlir::Builder::getShiftedAffineMap(), getSliceMap(), getStridesAndOffset(), getSubMap(), getXferIndices(), inferIteratorsFromOutMap(), mlir::ValueBoundsConstraintSet::insert(), insertResult(), mlir::inversePermutation(), isEmpty(), isIdentity(), isMinorIdentity(), isMinorIdentityWithBroadcasting(), isPermutation(), isTransposeMatrixLoadMap(), makeCanonicalAffineApplies(), DeduplicateAffineMinMaxExpressions< T >::matchAndRewrite(), MergeAffineMinMaxOp< T >::matchAndRewrite(), mlir::affine::materializeComputedBound(), packLinalgMetadataOnce(), parseBound(), partialConstantFold(), mlir::AsmPrinter::Impl::printAffineMap(), printBound(), printMinMaxBound(), projectCommonImpl(), mlir::arith::reifyValueBound(), mlir::removeDuplicateExprs(), replaceDimOrSym(), mlir::MutableAffineMap::reset(), setInterTileBoundsParametric(), setIntraTileBoundsParametric(), shiftDims(), shiftSymbols(), mlir::simplifyAffineMap(), simplifyMapWithOperands(), simplifyMinOrMaxExprWithOperands(), transferReadSupportsMMAMatrixType(), transposePackedMatmul(), mlir::ValueBoundsConstraintSet::Variable::Variable(), and mlir::detail::verifyAffineMapAsLayout().

◆ getNumInputs()

unsigned AffineMap::getNumInputs ( ) const

Definition at line 387 of file AffineMap.cpp.

References mlir::detail::AffineMapStorage::numDims, and mlir::detail::AffineMapStorage::numSymbols.

Referenced by mlir::FlatLinearConstraints::addBound(), mlir::affine::FlatAffineValueConstraints::addDomainFromSliceMaps(), mlir::affine::FlatAffineValueConstraints::addSliceBounds(), mlir::alignAffineMapWithValues(), mlir::applyPermutationMap(), mlir::FlatLinearConstraints::composeMatchingMap(), mlir::FlatLinearValueConstraints::computeAlignedMap(), createNewDynamicSizes(), generatePointWiseCopy(), generateShiftedLoop(), mlir::affine::AffineDmaStartOp::getDstIndices(), mlir::affine::AffineDmaStartOp::getDstMemRefOperandIndex(), mlir::affine::MemRefRegion::getLowerAndUpperBound(), mlir::getMultiAffineFunctionFromMap(), mlir::vector::ScalableValueBoundsConstraintSet::ConstantOrScalableBound::getSize(), mlir::affine::AffineDmaStartOp::getSrcIndices(), mlir::affine::AffineDmaStartOp::getTagIndices(), mlir::affine::AffineDmaWaitOp::getTagIndices(), mlir::affine::AffineDmaStartOp::getTagMemRefOperandIndex(), mlir::inverseAndBroadcastProjectedPermutation(), mlir::inversePermutation(), mlir::isBatchMatvec(), mlir::isBatchVecmat(), mlir::isColumnMajorMatmul(), mlir::isMatvec(), isPermutationOfMinorIdentityWithBroadcasting(), isProjectedPermutation(), mlir::isRowMajorBatchMatmul(), mlir::isRowMajorMatmul(), mlir::affine::AffineDmaStartOp::isStrided(), mlir::isVecmat(), makeCanonicalAffineApplies(), partialConstantFold(), mlir::affine::replaceAllMemRefUsesWith(), simplifyMapWithOperands(), and verifyPermutationMap().

◆ getNumResults()

unsigned AffineMap::getNumResults ( ) const

Definition at line 386 of file AffineMap.cpp.

References getResults().

Referenced by mlir::FlatLinearConstraints::addBound(), mlir::affine::FlatAffineValueConstraints::addDomainFromSliceMaps(), mlir::affine::FlatAffineValueConstraints::addSliceBounds(), adjustMap(), mlir::applyPermutationMap(), mlir::linalg::areElementwiseOpsFusable(), buildArithValue(), calculateExpandedAccessIndices(), canonicalizeMapExprAndTermOrder(), mlir::canonicalizeStridedLayout(), collectInadmissInfo(), compose(), composeAffineMapAndOperands(), mlir::FlatLinearConstraints::composeMatchingMap(), composeMultiResultAffineMap(), mlir::concatAffineMaps(), constructTiledIndexSetHyperRect(), createInlinedCompareImplementation(), foldLoopBounds(), forEachIJPairInAllBuffers(), forEachIJPairInXs(), mlir::sparse_tensor::foreachInSparseConstant(), genReplaceDimToLvlMap(), getCleanupLoopLowerBound(), getConstDifference(), getDimPosition(), getFirstResultIndexFunctionOf(), mlir::getFlattenedAffineExprs(), getIndicesForAccess(), mlir::affine::getLargestDivisorOfTripCount(), getMajorSubMap(), getMinorSubMap(), mlir::getMultiAffineFunctionFromMap(), mlir::affine::AffineValueMap::getNumResults(), getOperandReassociation(), getReductionIndex(), mlir::affine::getRelationFromMap(), getResultIndex(), getResultPosition(), mlir::Builder::getShiftedAffineMap(), mlir::vector::ScalableValueBoundsConstraintSet::ConstantOrScalableBound::getSize(), mlir::FlatLinearConstraints::getSliceBounds(), getStridesAndOffset(), mlir::ValueBoundsConstraintSet::insert(), mlir::inverseAndBroadcastProjectedPermutation(), mlir::sparse_tensor::inverseBlockSparsity(), mlir::inversePermutation(), mlir::isBatchMatvec(), mlir::isBatchVecmat(), mlir::isColumnMajorMatmul(), mlir::linalg::isDimSequencePreserved(), isEmpty(), isFusableWithReshapeByDimExpansion(), isIdentity(), mlir::isMatvec(), isMinorIdentity(), isMinorIdentityWithBroadcasting(), isPermutation(), isPermutationOfMinorIdentityWithBroadcasting(), isProjectedPermutation(), mlir::isRowMajorBatchMatmul(), mlir::isRowMajorMatmul(), isSingleConstant(), isSymbolIdentity(), isTiled(), mlir::isVecmat(), makeCanonicalAffineApplies(), mlir::affine::makeComposedFoldedAffineApply(), mlir::affine::makeComposedFoldedMultiResultAffineApply(), mlir::linalg::makeTiledLoopRanges(), DeduplicateAffineMinMaxExpressions< T >::matchAndRewrite(), mlir::affine::normalizeMemRefType(), packLinalgMetadataOnce(), parseBound(), partialConstantFold(), printBound(), projectCommonImpl(), replace(), mlir::affine::replaceAllMemRefUsesWith(), replaceDimOrSym(), replaceDimsAndSymbols(), setInterTileBoundsParametric(), setIntraTileBoundsParametric(), simplifyMapWithOperands(), simplifyMinOrMaxExprWithOperands(), transposePackedMatmul(), and mlir::ValueBoundsConstraintSet::Variable::Variable().

◆ getNumSymbols()

unsigned AffineMap::getNumSymbols ( ) const

Definition at line 382 of file AffineMap.cpp.

References mlir::detail::AffineMapStorage::numSymbols.

Referenced by mlir::FlatLinearConstraints::addBound(), addConstToResults(), mlir::alignAffineMapWithValues(), augmentMapAndBounds(), canonicalizeMapExprAndTermOrder(), mlir::canonicalizeStridedLayout(), compose(), mlir::FlatLinearConstraints::composeMatchingMap(), composeSetAndOperands(), compressUnusedListImpl(), constructTiledIndexSetHyperRect(), createNewDynamicSizes(), createSubApply(), dropResults(), dropUnitExtentFromOperandMetadata(), mlir::foldAttributesIntoMap(), getCleanupLoopLowerBound(), getConstDifference(), mlir::getFlattenedAffineExprs(), getIndexingMapInExpandedOp(), getIndicesForAccess(), mlir::getMultiAffineFunctionFromMap(), mlir::affine::AffineValueMap::getNumSymbols(), mlir::Builder::getShiftedAffineMap(), getSliceMap(), getStridesAndOffset(), getSubMap(), mlir::sparse_tensor::inferLvlToDim(), insertResult(), mlir::inversePermutation(), isEmpty(), isProjectedPermutation(), isSymbolIdentity(), makeCanonicalAffineApplies(), DeduplicateAffineMinMaxExpressions< T >::matchAndRewrite(), MergeAffineMinMaxOp< T >::matchAndRewrite(), mlir::affine::normalizeMemRefType(), parseBound(), partialConstantFold(), mlir::AsmPrinter::Impl::printAffineMap(), printBound(), projectCommonImpl(), mlir::removeDuplicateExprs(), mlir::affine::replaceAllMemRefUsesWith(), replaceDimOrSym(), mlir::MutableAffineMap::reset(), setInterTileBoundsParametric(), setIntraTileBoundsParametric(), shiftDims(), shiftSymbols(), mlir::simplifyAffineMap(), simplifyMapWithOperands(), simplifyMinOrMaxExprWithOperands(), and mlir::ValueBoundsConstraintSet::Variable::Variable().

◆ getPermutationMap() [1/2]

AffineMap AffineMap::getPermutationMap ( ArrayRef< int64_t >  permutation,
MLIRContext context 
)
static

Definition at line 257 of file AffineMap.cpp.

References getPermutationMap().

◆ getPermutationMap() [2/2]

AffineMap AffineMap::getPermutationMap ( ArrayRef< unsigned >  permutation,
MLIRContext context 
)
static

Returns an AffineMap representing a permutation.

The permutation is expressed as a non-empty vector of integers. E.g. the permutation (i,j,k) -> (j,k,i) will be expressed with permutation = [1,2,0]. All values in permutation must be integers, in the range 0..permutation.size()-1 without duplications (i.e. [1,1,2] is an invalid permutation).

Definition at line 248 of file AffineMap.cpp.

References getMultiDimMapWithTargets().

Referenced by getPermutationMap(), mlir::linalg::interchangeGenericOp(), interchangeGenericOpPrecondition(), mlir::linalg::makeTransposeOp(), mlirAffineMapPermutationGet(), transferReadSupportsMMAMatrixType(), and transposeOneLinalgOperandAndReplace().

◆ getResult()

AffineExpr AffineMap::getResult ( unsigned  idx) const

◆ getResultPosition()

std::optional< unsigned > AffineMap::getResultPosition ( AffineExpr  input) const

Extracts the first result position where input dimension resides.

Returns std::nullopt if input is not a dimension expression or cannot be found in results.

Definition at line 403 of file AffineMap.cpp.

References getNumResults(), and getResult().

◆ getResults()

ArrayRef< AffineExpr > AffineMap::getResults ( ) const

Definition at line 391 of file AffineMap.cpp.

References mlir::detail::AffineMapStorage::results().

Referenced by addConstToResults(), mlir::applyPermutationMap(), augmentMapAndBounds(), canonicalizeMapExprAndTermOrder(), mlir::affine::coalesceLoops(), mlir::AffineExpr::compose(), compose(), composeSetAndOperands(), compressUnusedListImpl(), computePaddedShape(), constructTiledIndexSetHyperRect(), createNewDynamicSizes(), dropResults(), mlir::linalg::dropUnitDims(), dropUnitExtentFromOperandMetadata(), mlir::affine::expandAffineMap(), findPermutationsIndexingOperand(), forEachIJPairInAllBuffers(), fuse(), genReplaceDimToLvlMap(), mlir::sparse_tensor::getBlockSize(), getCollapsedOpIndexingMap(), getCollapsedOutputDimFromInputShape(), getConstantResults(), mlir::affine::getConstantTripCount(), getDomainReassociation(), getExpandedType(), mlir::getFlattenedAffineExprs(), getIndexingMapInExpandedOp(), getIndicesForAccess(), mlir::affine::getLargestDivisorOfTripCount(), getLargestKnownDivisorOfMapExprs(), getMangledSortHelperFuncName(), getMinorIdentityMap(), getNumNonTrivialIdxExpOnSparseLvls(), getNumResults(), getPreservedDims(), getReassociationForExpansion(), getResult(), getShardingAttribute(), mlir::Builder::getShiftedAffineMap(), getSliceMap(), getTileSizePos(), hasAtMostOneResultFunctionOfDim(), inferIteratorsFromOutMap(), insertResult(), mlir::inversePermutation(), mlir::sparse_tensor::isBlockSparsity(), isConstant(), mlir::linalg::isDimSequencePreserved(), isFunctionOfDim(), isFunctionOfSymbol(), isFusableWithReshapeByDimExpansion(), isIdentity(), isMinorIdentityWithBroadcasting(), isNormalizedMemRefDynamicDim(), isPermutationOfMinorIdentityWithBroadcasting(), isProjectedPermutation(), isSymbolIdentity(), makeCanonicalAffineApplies(), DeduplicateAffineMinMaxExpressions< T >::matchAndRewrite(), MergeAffineMinMaxOp< T >::matchAndRewrite(), mlir::affine::MemRefAccess::operator==(), partialConstantFold(), permuteValues(), mlir::AsmPrinter::Impl::printAffineMap(), projectCommonImpl(), mlir::removeDuplicateExprs(), replace(), replaceDimsAndSymbols(), mlir::MutableAffineMap::reset(), setInterTileBoundsParametric(), setIntraTileBoundsParametric(), shiftDims(), shiftSymbols(), mlir::simplifyAffineMap(), simplifyMapWithOperands(), simplifyMinOrMaxExprWithOperands(), sliceTransferIndices(), verifyPermutationMap(), and walkExprs().

◆ getSingleConstantResult()

int64_t AffineMap::getSingleConstantResult ( ) const

Returns the constant result of this map.

This methods asserts that the map has a single constant result.

Definition at line 365 of file AffineMap.cpp.

References getResult(), and isSingleConstant().

Referenced by mlir::affine::FlatAffineValueConstraints::addAffineParallelOpDomain(), mlir::vector::ScalableValueBoundsConstraintSet::ConstantOrScalableBound::getSize(), mlir::affine::materializeComputedBound(), and mlir::arith::reifyValueBound().

◆ getSliceMap()

AffineMap AffineMap::getSliceMap ( unsigned  start,
unsigned  length 
) const

Returns the map consisting of length expressions starting from start.

Definition at line 623 of file AffineMap.cpp.

References get(), getContext(), getNumDims(), getNumSymbols(), and getResults().

Referenced by getMajorSubMap(), getMinorSubMap(), and printMinMaxBound().

◆ getSubMap()

AffineMap AffineMap::getSubMap ( ArrayRef< unsigned >  resultPos) const

◆ inferFromExprList() [1/2]

SmallVector< AffineMap, 4 > AffineMap::inferFromExprList ( ArrayRef< ArrayRef< AffineExpr >>  exprsList,
MLIRContext context 
)
static

Returns a vector of AffineMaps; each with as many results as exprs.size(), as many dims as the largest dim in exprs and as many symbols as the largest symbol in exprs.

Definition at line 296 of file AffineMap.cpp.

References inferFromExprList().

Referenced by mlir::linalg::computeSliceParameters(), contractSupportsMMAMatrixType(), createSubViewIntersection(), mlir::StructuredGenerator< StructuredOpInterface, IteratorTypeT >::layout(), mlir::makeCanonicalStridedLayoutExpr(), mlir::affine::makeComposedAffineApply(), mlir::affine::makeComposedFoldedAffineApply(), and replace().

◆ inferFromExprList() [2/2]

SmallVector< AffineMap, 4 > AffineMap::inferFromExprList ( ArrayRef< SmallVector< AffineExpr, 4 >>  exprsList,
MLIRContext context 
)
static

Definition at line 302 of file AffineMap.cpp.

References inferFromExprList().

◆ insertResult()

AffineMap mlir::AffineMap::insertResult ( AffineExpr  expr,
unsigned  pos 
) const
inline

Returns a new AffineMap with the same number of dims and symbols and an extra result inserted at pos.

Definition at line 308 of file AffineMap.h.

References get(), getContext(), getNumDims(), getNumSymbols(), and getResults().

Referenced by packLinalgMetadataOnce().

◆ isConstant()

bool AffineMap::isConstant ( ) const

Returns true if this affine map has only constant results.

Definition at line 361 of file AffineMap.cpp.

References getResults().

Referenced by mlir::affine::FlatAffineValueConstraints::addAffineParallelOpDomain(), and getConstantResults().

◆ isEmpty()

bool AffineMap::isEmpty ( ) const

Returns true if this affine map is an empty map, i.e., () -> ().

Definition at line 353 of file AffineMap.cpp.

References getNumDims(), getNumResults(), and getNumSymbols().

Referenced by mlir::linalg::interchangeGenericOp(), mlir::inversePermutation(), and makeCanonicalAffineApplies().

◆ isFunctionOfDim()

bool mlir::AffineMap::isFunctionOfDim ( unsigned  position) const
inline

Return true if any affine expression involves AffineDimExpr position.

Definition at line 214 of file AffineMap.h.

References getResults(), and mlir::AffineExpr::isFunctionOfDim().

Referenced by composeAffineMapAndOperands().

◆ isFunctionOfSymbol()

bool mlir::AffineMap::isFunctionOfSymbol ( unsigned  position) const
inline

Return true if any affine expression involves AffineSymbolExpr position.

Definition at line 221 of file AffineMap.h.

References getResults(), and mlir::AffineExpr::isFunctionOfSymbol().

Referenced by composeAffineMapAndOperands().

◆ isIdentity()

bool AffineMap::isIdentity ( ) const

Returns true if this affine map is an identity affine map.

An identity affine map corresponds to an identity affine function on the dimensional identifiers.

Definition at line 329 of file AffineMap.cpp.

References getNumDims(), getNumResults(), and getResults().

Referenced by mlir::canonicalizeStridedLayout(), and getStridesAndOffset().

◆ isMinorIdentity()

bool AffineMap::isMinorIdentity ( ) const

Returns true if this affine map is a minor identity, i.e.

an identity affine map (d0, ..., dn) -> (dp, ..., dn) on the most minor dimensions.

Definition at line 152 of file AffineMap.cpp.

References getContext(), getMinorIdentityMap(), getNumDims(), and getNumResults().

Referenced by transferReadSupportsMMAMatrixType().

◆ isMinorIdentityWithBroadcasting()

bool AffineMap::isMinorIdentityWithBroadcasting ( SmallVectorImpl< unsigned > *  broadcastedDims = nullptr) const

Returns true if this affine map is a minor identity up to broadcasted dimensions which are indicated by value 0 in the result.

If broadcastedDims is not null, it will be populated with the indices of the broadcasted dimensions in the result array. Example: affine_map<(d0, d1, d2, d3, d4) -> (0, d2, 0, d4)> (broadcastedDims will contain [0, 2])

Definition at line 160 of file AffineMap.cpp.

References mlir::detail::enumerate(), getNumDims(), getNumResults(), and getResults().

◆ isPermutation()

bool AffineMap::isPermutation ( ) const

Returns true if the AffineMap represents a symbol-less permutation map.

Definition at line 609 of file AffineMap.cpp.

References getNumDims(), getNumResults(), and isProjectedPermutation().

Referenced by mlir::linalg::areElementwiseOpsFusable(), forEachIJPairInAllBuffers(), mlir::sparse_tensor::inferLvlToDim(), and permuteValues().

◆ isPermutationOfMinorIdentityWithBroadcasting()

bool AffineMap::isPermutationOfMinorIdentityWithBroadcasting ( SmallVectorImpl< unsigned > &  permutedDims) const

Return true if this affine map can be converted to a minor identity with broadcast by doing a permute.

Return a permutation (there may be several) to apply to get to a minor identity with broadcasts. Ex:

  • (d0, d1, d2) -> (0, d1) maps to minor identity (d1, 0 = d2) with perm = [1, 0] and broadcast d2
  • (d0, d1, d2) -> (d0, 0) cannot be mapped to a minor identity by permutation + broadcast
  • (d0, d1, d2, d3) -> (0, d1, d3) maps to minor identity (d1, 0 = d2, d3) with perm = [1, 0, 2] and broadcast d2
  • (d0, d1) -> (d1, 0, 0, d0) maps to minor identity (d0, d1) with extra leading broadcat dimensions. The map returned would be (0, 0, d0, d1) with perm = [3, 0, 1, 2]

Definition at line 200 of file AffineMap.cpp.

References mlir::detail::enumerate(), getNumInputs(), getNumResults(), getResults(), and max().

◆ isProjectedPermutation()

bool AffineMap::isProjectedPermutation ( bool  allowZeroInResults = false) const

Returns true if the AffineMap represents a subset (i.e.

a projection) of a symbol-less permutation map. allowZeroInResults allows projected permutation maps with constant zero result expressions. TODO: Remove allowZeroInResults when constant zero result expressions are broadly supported.

Definition at line 579 of file AffineMap.cpp.

References getNumInputs(), getNumResults(), getNumSymbols(), and getResults().

Referenced by mlir::applyPermutationMap(), getCollapsedOpIndexingMap(), getDomainReassociation(), getPreservedDims(), inferIteratorsFromOutMap(), mlir::inverseAndBroadcastProjectedPermutation(), mlir::linalg::isDimSequencePreserved(), isPermutation(), and reindexIndexingMap().

◆ isSingleConstant()

bool AffineMap::isSingleConstant ( ) const

Returns true if this affine map is a single result constant function.

Definition at line 357 of file AffineMap.cpp.

References getNumResults(), and getResult().

Referenced by getSingleConstantResult(), mlir::vector::ScalableValueBoundsConstraintSet::ConstantOrScalableBound::getSize(), mlir::affine::materializeComputedBound(), and mlir::arith::reifyValueBound().

◆ isSymbolIdentity()

bool AffineMap::isSymbolIdentity ( ) const

Returns true if this affine map is an identity affine map on the symbol identifiers.

Definition at line 341 of file AffineMap.cpp.

References getNumResults(), getNumSymbols(), and getResults().

◆ operator bool()

mlir::AffineMap::operator bool ( ) const
inlineexplicit

Definition at line 133 of file AffineMap.h.

◆ operator!=()

bool mlir::AffineMap::operator!= ( AffineMap  other) const
inline

Definition at line 135 of file AffineMap.h.

◆ operator==()

bool mlir::AffineMap::operator== ( AffineMap  other) const
inline

Definition at line 134 of file AffineMap.h.

◆ partialConstantFold()

AffineMap AffineMap::partialConstantFold ( ArrayRef< Attribute operandConstants,
SmallVectorImpl< int64_t > *  results = nullptr,
bool *  hasPoison = nullptr 
) const

Propagates the constant operands into this affine map.

Operands are allowed to be null, at which point they are treated as non-constant. This does not change the number of symbols and dimensions. Returns a new map, which may be equal to the old map if no folding happened. If results is provided and if all expressions in the map were folded to constants, results will contain the values of these constants.

Definition at line 437 of file AffineMap.cpp.

References get(), mlir::getAffineConstantExpr(), getContext(), getNumDims(), getNumInputs(), getNumResults(), getNumSymbols(), and getResults().

Referenced by constantFold().

◆ print()

void AffineMap::print ( raw_ostream &  os) const

Definition at line 3842 of file AsmPrinter.cpp.

Referenced by mlir::operator<<().

◆ replace() [1/3]

AffineMap AffineMap::replace ( AffineExpr  expr,
AffineExpr  replacement,
unsigned  numResultDims,
unsigned  numResultSyms 
) const

Sparse replace method.

Apply AffineExpr::replace(expr, replacement) to each of the results and return a new AffineMap with the new results and with the specified number of dims and symbols.

Definition at line 499 of file AffineMap.cpp.

References get(), getContext(), getNumResults(), and getResults().

Referenced by replaceDimOrSym(), and mlir::ValueBoundsConstraintSet::Variable::Variable().

◆ replace() [2/3]

AffineMap AffineMap::replace ( const DenseMap< AffineExpr, AffineExpr > &  map) const

Sparse replace method.

Apply AffineExpr::replace(map) to each of the results and return a new AffineMap with the new results and with inferred number of dims and symbols.

Definition at line 523 of file AffineMap.cpp.

References getContext(), getNumResults(), getResults(), and inferFromExprList().

◆ replace() [3/3]

AffineMap AffineMap::replace ( const DenseMap< AffineExpr, AffineExpr > &  map,
unsigned  numResultDims,
unsigned  numResultSyms 
) const

Sparse replace method.

Apply AffineExpr::replace(map) to each of the results and return a new AffineMap with the new results and with the specified number of dims and symbols.

Definition at line 512 of file AffineMap.cpp.

References get(), getContext(), getNumResults(), and getResults().

◆ replaceDimsAndSymbols()

AffineMap AffineMap::replaceDimsAndSymbols ( ArrayRef< AffineExpr dimReplacements,
ArrayRef< AffineExpr symReplacements,
unsigned  numResultDims,
unsigned  numResultSyms 
) const

This method substitutes any uses of dimensions and symbols (e.g.

dim#0 with dimReplacements[0]) in subexpressions and returns the modified expression mapping. Because this can be used to eliminate dims and symbols, the client needs to specify the number of dims and symbols in the result. The returned map always has the same number of results.

Definition at line 484 of file AffineMap.cpp.

References get(), getContext(), getNumResults(), getResults(), and mlir::AffineExpr::replaceDimsAndSymbols().

Referenced by mlir::alignAffineMapWithValues(), compose(), composeAffineMapAndOperands(), mlir::linalg::dropUnitDims(), mlir::foldAttributesIntoMap(), and mlir::ValueBoundsConstraintSet::Variable::Variable().

◆ shiftDims()

AffineMap mlir::AffineMap::shiftDims ( unsigned  shift,
unsigned  offset = 0 
) const
inline

Replace dims[offset ...

numDims) by dims[offset + shift ... shift + numDims).

Definition at line 260 of file AffineMap.h.

References get(), getContext(), getNumDims(), getNumSymbols(), getResults(), and mlir::AffineExpr::shiftDims().

Referenced by composeMultiResultAffineMap(), mlir::affine::AffineValueMap::difference(), packLinalgMetadataOnce(), and replaceDimOrSym().

◆ shiftSymbols()

AffineMap mlir::AffineMap::shiftSymbols ( unsigned  shift,
unsigned  offset = 0 
) const
inline

Replace symbols[offset ...

numSymbols) by symbols[offset + shift ... shift + numSymbols).

Definition at line 273 of file AffineMap.h.

References get(), getContext(), getNumDims(), getNumSymbols(), getResults(), and mlir::AffineExpr::shiftSymbols().

Referenced by composeMultiResultAffineMap(), mlir::affine::AffineValueMap::difference(), and replaceDimOrSym().

◆ walkExprs()

void AffineMap::walkExprs ( llvm::function_ref< void(AffineExpr)>  callback) const

Walk all of the AffineExpr's in this mapping.

Each node in an expression tree is visited in postorder.

Definition at line 474 of file AffineMap.cpp.

References getResults(), and mlir::AffineExpr::walk().

Friends And Related Function Documentation

◆ hash_value

::llvm::hash_code hash_value ( AffineMap  arg)
friend

Definition at line 400 of file AffineMap.h.


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