MLIR
20.0.0git
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Parent class for the value bounds RTTIExtends. More...
#include "mlir/Dialect/Vector/IR/ScalableValueBoundsConstraintSet.h"
Additional Inherited Members | |
Protected Types inherited from mlir::ValueBoundsConstraintSet | |
using | ValueDim = std::pair< Value, int64_t > |
An index-typed value or the dimension of a shaped-type value. More... | |
enum | ComparisonOperator { LT , LE , EQ , GT , GE } |
Comparison operator for ValueBoundsConstraintSet::compare . More... | |
using | StopConditionFn = std::function< bool(Value, std::optional< int64_t >, ValueBoundsConstraintSet &cstr)> |
The stop condition when traversing the backward slice of a shaped value/ index-type value. More... | |
Protected Member Functions inherited from mlir::ValueBoundsConstraintSet | |
ValueBoundsConstraintSet (MLIRContext *ctx, StopConditionFn stopCondition, bool addConservativeSemiAffineBounds=false) | |
bool | comparePos (int64_t lhsPos, ComparisonOperator cmp, int64_t rhsPos) |
Return "true" if, based on the current state of the constraint system, "lhs cmp rhs" was proven to hold. More... | |
int64_t | populateConstraints (AffineMap map, ValueDimList mapOperands) |
Given an affine map with a single result (and map operands), add a new column to the constraint set that represents the result of the map. More... | |
void | processWorklist () |
Iteratively process all elements on the worklist until an index-typed value or shaped value meets stopCondition . More... | |
void | addBound (presburger::BoundType type, int64_t pos, AffineExpr expr) |
Bound the given column in the underlying constraint set by the given expression. More... | |
int64_t | getPos (Value value, std::optional< int64_t > dim=std::nullopt) const |
Return the column position of the given value/dimension. More... | |
AffineExpr | getPosExpr (int64_t pos) |
Return an affine expression that represents column pos in the constraint set. More... | |
bool | isMapped (Value value, std::optional< int64_t > dim=std::nullopt) const |
Return "true" if the given value/dim is mapped (i.e., has a corresponding column in the constraint system). More... | |
int64_t | insert (Value value, std::optional< int64_t > dim, bool isSymbol=true, bool addToWorklist=true) |
Insert a value/dimension into the constraint set. More... | |
int64_t | insert (bool isSymbol=true) |
Insert an anonymous column into the constraint set. More... | |
int64_t | insert (AffineMap map, ValueDimList operands, bool isSymbol=true) |
Insert the given affine map and its bound operands as a new column in the constraint system. More... | |
int64_t | insert (const Variable &var, bool isSymbol=true) |
void | projectOut (int64_t pos) |
Project out the given column in the constraint set. More... | |
void | projectOut (function_ref< bool(ValueDim)> condition) |
Project out all columns for which the condition holds. More... | |
void | projectOutAnonymous (std::optional< int64_t > except=std::nullopt) |
void | populateConstraints (Value value, std::optional< int64_t > dim) |
Traverse the IR starting from the given value/dim and populate constraints as long as the stop condition holds. More... | |
bool | populateAndCompare (const Variable &lhs, ComparisonOperator cmp, const Variable &rhs) |
Populate constraints for lhs/rhs (until the stop condition is met). More... | |
BoundBuilder | bound (Value value) |
Add a bound for the given index-typed value or shaped value. More... | |
AffineExpr | getExpr (Value value, std::optional< int64_t > dim=std::nullopt) |
Return an expression that represents the given index-typed value or shaped value dimension. More... | |
AffineExpr | getExpr (OpFoldResult ofr) |
Return an expression that represents a constant or index-typed SSA value. More... | |
AffineExpr | getExpr (int64_t constant) |
Return an expression that represents a constant. More... | |
void | dump () const |
Debugging only: Dump the constraint set and the column-to-value/dim mapping to llvm::errs. More... | |
Static Protected Member Functions inherited from mlir::ValueBoundsConstraintSet | |
static LogicalResult | computeBound (AffineMap &resultMap, ValueDimList &mapOperands, presburger::BoundType type, const Variable &var, StopConditionFn stopCondition, bool closedUB=false) |
Compute a bound for the given variable. More... | |
static LogicalResult | computeDependentBound (AffineMap &resultMap, ValueDimList &mapOperands, presburger::BoundType type, const Variable &var, ValueDimList dependencies, bool closedUB=false) |
Compute a bound in terms of the values/dimensions in dependencies . More... | |
static LogicalResult | computeIndependentBound (AffineMap &resultMap, ValueDimList &mapOperands, presburger::BoundType type, const Variable &var, ValueRange independencies, bool closedUB=false) |
Compute a bound in that is independent of all values in independencies . More... | |
static FailureOr< int64_t > | computeConstantBound (presburger::BoundType type, const Variable &var, StopConditionFn stopCondition=nullptr, bool closedUB=false) |
Compute a constant bound for the given variable. More... | |
static FailureOr< int64_t > | computeConstantDelta (Value value1, Value value2, std::optional< int64_t > dim1=std::nullopt, std::optional< int64_t > dim2=std::nullopt) |
Compute a constant delta between the given two values. More... | |
static bool | compare (const Variable &lhs, ComparisonOperator cmp, const Variable &rhs) |
Return "true" if "lhs cmp rhs" was proven to hold. More... | |
static FailureOr< bool > | areEqual (const Variable &var1, const Variable &var2) |
Compute whether the given variables are equal. More... | |
static FailureOr< bool > | areOverlappingSlices (MLIRContext *ctx, HyperrectangularSlice slice1, HyperrectangularSlice slice2) |
Return "true" if the given slices are guaranteed to be overlapping. More... | |
static FailureOr< bool > | areEquivalentSlices (MLIRContext *ctx, HyperrectangularSlice slice1, HyperrectangularSlice slice2) |
Return "true" if the given slices are guaranteed to be equivalent. More... | |
Protected Attributes inherited from mlir::ValueBoundsConstraintSet | |
SmallVector< std::optional< ValueDim > > | positionToValueDim |
Mapping of columns to values/shape dimensions. More... | |
DenseMap< ValueDim, int64_t > | valueDimToPosition |
Reverse mapping of values/shape dimensions to columns. More... | |
std::queue< int64_t > | worklist |
Worklist of values/shape dimensions that have not been processed yet. More... | |
FlatLinearConstraints | cstr |
Constraint system of equalities and inequalities. More... | |
Builder | builder |
Builder for constructing affine expressions. More... | |
StopConditionFn | stopCondition = nullptr |
The current stop condition function. More... | |
bool | addConservativeSemiAffineBounds = false |
Should conservative bounds be added for semi-affine expressions. More... | |
Static Protected Attributes inherited from mlir::ValueBoundsConstraintSet | |
static constexpr int64_t | kIndexValue = -1 |
Dimension identifier to indicate a value is index-typed. More... | |
static char | ID = 0 |
Parent class for the value bounds RTTIExtends.
Uses protected inheritance to hide all ValueBoundsConstraintSet methods by default (as some do not use the ScalableValueBoundsConstraintSet, so may produce unexpected results).
Definition at line 23 of file ScalableValueBoundsConstraintSet.h.