12 #include "llvm/ADT/APSInt.h"
13 #include "llvm/ADT/STLExtras.h"
14 #include "llvm/Support/MathExtras.h"
22 std::tuple<SmallVector<OpFoldResult>, SmallVector<OpFoldResult>,
23 SmallVector<OpFoldResult>>
26 offsets.reserve(ranges.size());
27 sizes.reserve(ranges.size());
28 strides.reserve(ranges.size());
29 for (
const auto &[offset, size, stride] : ranges) {
30 offsets.push_back(offset);
31 sizes.push_back(size);
32 strides.push_back(stride);
34 return std::make_tuple(offsets, sizes, strides);
46 auto v = llvm::dyn_cast_if_present<Value>(ofr);
48 APInt apInt = cast<IntegerAttr>(cast<Attribute>(ofr)).getValue();
49 staticVec.push_back(apInt.getSExtValue());
52 dynamicVec.push_back(v);
53 staticVec.push_back(ShapedType::kDynamic);
56 std::pair<int64_t, OpFoldResult>
58 int64_t tileSizeForShape =
62 (tileSizeForShape != ShapedType::kDynamic)
66 return std::pair<int64_t, OpFoldResult>(tileSizeForShape,
67 tileSizeOfrSimplified);
91 return llvm::to_vector(
98 res.reserve(arrayAttr.size());
110 return llvm::to_vector(llvm::map_range(
117 if (
auto val = llvm::dyn_cast_if_present<Value>(ofr)) {
120 return intVal.getSExtValue();
124 Attribute attr = llvm::dyn_cast_if_present<Attribute>(ofr);
125 if (
auto intAttr = dyn_cast_or_null<IntegerAttr>(attr))
126 return intAttr.getValue().getSExtValue();
130 std::optional<SmallVector<int64_t>>
137 return cv.value_or(0);
146 return val && *val == value;
156 if (ofrs.size() != values.size())
159 return constOfrs && llvm::equal(constOfrs.value(), values);
168 if (cst1 && cst2 && *cst1 == *cst2)
170 auto v1 = llvm::dyn_cast_if_present<Value>(ofr1),
171 v2 = llvm::dyn_cast_if_present<Value>(ofr2);
172 return v1 && v1 == v2;
177 if (ofrs1.size() != ofrs2.size())
179 for (
auto [ofr1, ofr2] : llvm::zip_equal(ofrs1, ofrs2))
192 res.reserve(staticValues.size());
193 unsigned numDynamic = 0;
194 unsigned count =
static_cast<unsigned>(staticValues.size());
195 for (
unsigned idx = 0; idx < count; ++idx) {
196 int64_t value = staticValues[idx];
197 res.push_back(ShapedType::isDynamic(value)
211 std::pair<SmallVector<int64_t>, SmallVector<Value>>
215 for (
const auto &it : mixedValues) {
216 if (
auto attr = dyn_cast<Attribute>(it)) {
217 staticValues.push_back(cast<IntegerAttr>(attr).getInt());
219 staticValues.push_back(ShapedType::kDynamic);
220 dynamicValues.push_back(cast<Value>(it));
223 return {staticValues, dynamicValues};
227 template <
typename K,
typename V>
228 static SmallVector<V>
233 assert(keys.size() == values.size() &&
"unexpected mismatching sizes");
234 auto indices = llvm::to_vector(llvm::seq<int64_t>(0, values.size()));
236 [&](int64_t i, int64_t
j) {
return compare(keys[i], keys[
j]); });
238 res.reserve(values.size());
239 for (int64_t i = 0, e = indices.size(); i < e; ++i)
240 res.push_back(values[indices[i]]);
250 SmallVector<OpFoldResult>
279 return llvm::divideCeilSigned(*ubConstant - *lbConstant, *stepConstant);
283 return llvm::none_of(sizesOrOffsets, [](int64_t value) {
284 return !ShapedType::isDynamic(value) && value < 0;
289 return llvm::none_of(strides, [](int64_t value) {
290 return !ShapedType::isDynamic(value) && value == 0;
295 bool onlyNonNegative,
bool onlyNonZero) {
296 bool valuesChanged =
false;
298 if (isa<Attribute>(ofr))
308 valuesChanged =
true;
311 return success(valuesChanged);
Attributes are known-constant values of operations.
This class is a general helper class for creating context-global objects like types,...
IntegerAttr getIndexAttr(int64_t value)
MLIRContext * getContext() const
MLIRContext is the top-level object for a collection of MLIR operations.
This class represents a single result from folding an operation.
This class provides an abstraction over the different types of ranges over Values.
This class represents an instance of an SSA value in the MLIR system, representing a computable value...
int compare(const Fraction &x, const Fraction &y)
Three-way comparison between two fractions.
Include the generated interface declarations.
bool matchPattern(Value value, const Pattern &pattern)
Entry point for matching a pattern over a Value.
bool isConstantIntValue(OpFoldResult ofr, int64_t value)
Return true if ofr is constant integer equal to value.
detail::constant_int_value_binder m_ConstantInt(IntegerAttr::ValueType *bind_value)
Matches a constant holding a scalar/vector/tensor integer (splat) and writes the integer value to bin...
bool areConstantIntValues(ArrayRef< OpFoldResult > ofrs, ArrayRef< int64_t > values)
Return true if all of ofrs are constant integers equal to the corresponding value in values.
OpFoldResult getAsIndexOpFoldResult(MLIRContext *ctx, int64_t val)
Convert int64_t to integer attributes of index type and return them as OpFoldResult.
std::tuple< SmallVector< OpFoldResult >, SmallVector< OpFoldResult >, SmallVector< OpFoldResult > > getOffsetsSizesAndStrides(ArrayRef< Range > ranges)
Given an array of Range values, return a tuple of (offset vector, sizes vector, and strides vector) f...
std::optional< int64_t > getConstantIntValue(OpFoldResult ofr)
If ofr is a constant integer or an IntegerAttr, return the integer.
LogicalResult foldDynamicStrideList(SmallVectorImpl< OpFoldResult > &strides)
Returns "success" when any of the elements in strides is a constant value.
bool areAllConstantIntValue(ArrayRef< OpFoldResult > ofrs, int64_t value)
Return true if all of ofrs are constant integers equal to value.
bool isEqualConstantIntOrValue(OpFoldResult ofr1, OpFoldResult ofr2)
Return true if ofr1 and ofr2 are the same integer constant attribute values or the same SSA value.
bool hasValidSizesOffsets(SmallVector< int64_t > sizesOrOffsets)
Helper function to check whether the passed in sizes or offsets are valid.
std::optional< int64_t > constantTripCount(OpFoldResult lb, OpFoldResult ub, OpFoldResult step)
Return the number of iterations for a loop with a lower bound lb, upper bound ub and step step.
bool isZeroInteger(OpFoldResult v)
Return true if v is an IntegerAttr with value 0.
bool hasValidStrides(SmallVector< int64_t > strides)
Helper function to check whether the passed in strides are valid.
void dispatchIndexOpFoldResults(ArrayRef< OpFoldResult > ofrs, SmallVectorImpl< Value > &dynamicVec, SmallVectorImpl< int64_t > &staticVec)
Helper function to dispatch multiple OpFoldResults according to the behavior of dispatchIndexOpFoldRe...
std::pair< SmallVector< int64_t >, SmallVector< Value > > decomposeMixedValues(const SmallVectorImpl< OpFoldResult > &mixedValues)
Decompose a vector of mixed static or dynamic values into the corresponding pair of arrays.
static SmallVector< V > getValuesSortedByKeyImpl(ArrayRef< K > keys, ArrayRef< V > values, llvm::function_ref< bool(K, K)> compare)
Helper to sort values according to matching keys.
bool isEqualConstantIntOrValueArray(ArrayRef< OpFoldResult > ofrs1, ArrayRef< OpFoldResult > ofrs2)
auto get(MLIRContext *context, Ts &&...params)
Helper method that injects context only if needed, this helps unify some of the attribute constructio...
void dispatchIndexOpFoldResult(OpFoldResult ofr, SmallVectorImpl< Value > &dynamicVec, SmallVectorImpl< int64_t > &staticVec)
Helper function to dispatch an OpFoldResult into staticVec if: a) it is an IntegerAttr In other cases...
OpFoldResult getAsOpFoldResult(Value val)
Given a value, try to extract a constant Attribute.
SmallVector< OpFoldResult > getMixedValues(ArrayRef< int64_t > staticValues, ValueRange dynamicValues, MLIRContext *context)
Return a vector of OpFoldResults with the same size a staticValues, but all elements for which Shaped...
detail::constant_op_matcher m_Constant()
Matches a constant foldable operation.
std::pair< int64_t, OpFoldResult > getSimplifiedOfrAndStaticSizePair(OpFoldResult ofr, Builder &b)
Given OpFoldResult representing dim size value (*), generates a pair of sizes:
std::optional< SmallVector< int64_t > > getConstantIntValues(ArrayRef< OpFoldResult > ofrs)
If all ofrs are constant integers or IntegerAttrs, return the integers.
SmallVector< Value > getValuesSortedByKey(ArrayRef< Attribute > keys, ArrayRef< Value > values, llvm::function_ref< bool(Attribute, Attribute)> compare)
Helper to sort values according to matching keys.
LogicalResult foldDynamicOffsetSizeList(SmallVectorImpl< OpFoldResult > &offsetsOrSizes)
Returns "success" when any of the elements in offsetsOrSizes is a constant value.
bool isOneInteger(OpFoldResult v)
Return true if v is an IntegerAttr with value 1.
LogicalResult foldDynamicIndexList(SmallVectorImpl< OpFoldResult > &ofrs, bool onlyNonNegative=false, bool onlyNonZero=false)
Returns "success" when any of the elements in ofrs is a constant value.
Eliminates variable at the specified position using Fourier-Motzkin variable elimination.