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//===- Tensor.cpp - C API for SparseTensor dialect ------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "mlir-c/Dialect/SparseTensor.h"
#include "mlir-c/IR.h"
#include "mlir/CAPI/AffineMap.h"
#include "mlir/CAPI/Registration.h"
#include "mlir/Dialect/SparseTensor/IR/SparseTensor.h"
#include "mlir/Support/LLVM.h"
using namespace llvm;
using namespace mlir::sparse_tensor;
MLIR_DEFINE_CAPI_DIALECT_REGISTRATION(SparseTensor, sparse_tensor,
mlir::sparse_tensor::SparseTensorDialect)
// Ensure the C-API enums are int-castable to C++ equivalents.
static_assert(
static_cast<int>(MLIR_SPARSE_TENSOR_DIM_LEVEL_DENSE) ==
static_cast<int>(DimLevelType::Dense) &&
static_cast<int>(MLIR_SPARSE_TENSOR_DIM_LEVEL_COMPRESSED) ==
static_cast<int>(DimLevelType::Compressed) &&
static_cast<int>(MLIR_SPARSE_TENSOR_DIM_LEVEL_COMPRESSED_NU) ==
static_cast<int>(DimLevelType::CompressedNu) &&
static_cast<int>(MLIR_SPARSE_TENSOR_DIM_LEVEL_COMPRESSED_NO) ==
static_cast<int>(DimLevelType::CompressedNo) &&
static_cast<int>(MLIR_SPARSE_TENSOR_DIM_LEVEL_COMPRESSED_NU_NO) ==
static_cast<int>(DimLevelType::CompressedNuNo) &&
static_cast<int>(MLIR_SPARSE_TENSOR_DIM_LEVEL_SINGLETON) ==
static_cast<int>(DimLevelType::Singleton) &&
static_cast<int>(MLIR_SPARSE_TENSOR_DIM_LEVEL_SINGLETON_NU) ==
static_cast<int>(DimLevelType::SingletonNu) &&
static_cast<int>(MLIR_SPARSE_TENSOR_DIM_LEVEL_SINGLETON_NO) ==
static_cast<int>(DimLevelType::SingletonNo) &&
static_cast<int>(MLIR_SPARSE_TENSOR_DIM_LEVEL_SINGLETON_NU_NO) ==
static_cast<int>(DimLevelType::SingletonNuNo),
"MlirSparseTensorDimLevelType (C-API) and DimLevelType (C++) mismatch");
bool mlirAttributeIsASparseTensorEncodingAttr(MlirAttribute attr) {
return isa<SparseTensorEncodingAttr>(unwrap(attr));
}
MlirAttribute
mlirSparseTensorEncodingAttrGet(MlirContext ctx, intptr_t lvlRank,
MlirSparseTensorDimLevelType const *lvlTypes,
MlirAffineMap dimToLvl, int posWidth,
int crdWidth) {
SmallVector<DimLevelType> cppLvlTypes;
cppLvlTypes.reserve(lvlRank);
for (intptr_t l = 0; l < lvlRank; ++l)
cppLvlTypes.push_back(static_cast<DimLevelType>(lvlTypes[l]));
return wrap(SparseTensorEncodingAttr::get(
unwrap(ctx), cppLvlTypes, unwrap(dimToLvl), posWidth, crdWidth));
}
MlirAffineMap mlirSparseTensorEncodingAttrGetDimToLvl(MlirAttribute attr) {
return wrap(cast<SparseTensorEncodingAttr>(unwrap(attr)).getDimToLvl());
}
intptr_t mlirSparseTensorEncodingGetLvlRank(MlirAttribute attr) {
return cast<SparseTensorEncodingAttr>(unwrap(attr)).getLvlRank();
}
MlirSparseTensorDimLevelType
mlirSparseTensorEncodingAttrGetLvlType(MlirAttribute attr, intptr_t lvl) {
return static_cast<MlirSparseTensorDimLevelType>(
cast<SparseTensorEncodingAttr>(unwrap(attr)).getLvlType(lvl));
}
int mlirSparseTensorEncodingAttrGetPosWidth(MlirAttribute attr) {
return cast<SparseTensorEncodingAttr>(unwrap(attr)).getPosWidth();
}
int mlirSparseTensorEncodingAttrGetCrdWidth(MlirAttribute attr) {
return cast<SparseTensorEncodingAttr>(unwrap(attr)).getCrdWidth();
}
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