1 //===- Tensor.cpp - C API for SparseTensor dialect ------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "mlir-c/Dialect/SparseTensor.h" 10 #include "mlir-c/IR.h" 11 #include "mlir/CAPI/AffineMap.h" 12 #include "mlir/CAPI/Registration.h" 13 #include "mlir/Dialect/SparseTensor/IR/SparseTensor.h" 14 #include "mlir/Support/LLVM.h" 15 16 using namespace llvm; 17 using namespace mlir::sparse_tensor; 18 19 MLIR_DEFINE_CAPI_DIALECT_REGISTRATION(SparseTensor, sparse_tensor, 20 mlir::sparse_tensor::SparseTensorDialect) 21 22 // Ensure the C-API enums are int-castable to C++ equivalents. 23 static_assert(static_cast<int>(MLIR_SPARSE_TENSOR_LEVEL_DENSE) == 24 static_cast<int>(LevelType::Dense) && 25 static_cast<int>(MLIR_SPARSE_TENSOR_LEVEL_COMPRESSED) == 26 static_cast<int>(LevelType::Compressed) && 27 static_cast<int>(MLIR_SPARSE_TENSOR_LEVEL_COMPRESSED_NU) == 28 static_cast<int>(LevelType::CompressedNu) && 29 static_cast<int>(MLIR_SPARSE_TENSOR_LEVEL_COMPRESSED_NO) == 30 static_cast<int>(LevelType::CompressedNo) && 31 static_cast<int>(MLIR_SPARSE_TENSOR_LEVEL_COMPRESSED_NU_NO) == 32 static_cast<int>(LevelType::CompressedNuNo) && 33 static_cast<int>(MLIR_SPARSE_TENSOR_LEVEL_SINGLETON) == 34 static_cast<int>(LevelType::Singleton) && 35 static_cast<int>(MLIR_SPARSE_TENSOR_LEVEL_SINGLETON_NU) == 36 static_cast<int>(LevelType::SingletonNu) && 37 static_cast<int>(MLIR_SPARSE_TENSOR_LEVEL_SINGLETON_NO) == 38 static_cast<int>(LevelType::SingletonNo) && 39 static_cast<int>(MLIR_SPARSE_TENSOR_LEVEL_SINGLETON_NU_NO) == 40 static_cast<int>(LevelType::SingletonNuNo), 41 "MlirSparseTensorLevelType (C-API) and LevelType (C++) mismatch"); 42 43 bool mlirAttributeIsASparseTensorEncodingAttr(MlirAttribute attr) { 44 return isa<SparseTensorEncodingAttr>(unwrap(attr)); 45 } 46 47 MlirAttribute 48 mlirSparseTensorEncodingAttrGet(MlirContext ctx, intptr_t lvlRank, 49 MlirSparseTensorLevelType const *lvlTypes, 50 MlirAffineMap dimToLvl, MlirAffineMap lvlToDim, 51 int posWidth, int crdWidth) { 52 SmallVector<LevelType> cppLvlTypes; 53 cppLvlTypes.reserve(lvlRank); 54 for (intptr_t l = 0; l < lvlRank; ++l) 55 cppLvlTypes.push_back(static_cast<LevelType>(lvlTypes[l])); 56 return wrap(SparseTensorEncodingAttr::get(unwrap(ctx), cppLvlTypes, 57 unwrap(dimToLvl), unwrap(lvlToDim), 58 posWidth, crdWidth)); 59 } 60 61 MlirAffineMap mlirSparseTensorEncodingAttrGetDimToLvl(MlirAttribute attr) { 62 return wrap(cast<SparseTensorEncodingAttr>(unwrap(attr)).getDimToLvl()); 63 } 64 65 MlirAffineMap mlirSparseTensorEncodingAttrGetLvlToDim(MlirAttribute attr) { 66 return wrap(cast<SparseTensorEncodingAttr>(unwrap(attr)).getLvlToDim()); 67 } 68 69 intptr_t mlirSparseTensorEncodingGetLvlRank(MlirAttribute attr) { 70 return cast<SparseTensorEncodingAttr>(unwrap(attr)).getLvlRank(); 71 } 72 73 MlirSparseTensorLevelType 74 mlirSparseTensorEncodingAttrGetLvlType(MlirAttribute attr, intptr_t lvl) { 75 return static_cast<MlirSparseTensorLevelType>( 76 cast<SparseTensorEncodingAttr>(unwrap(attr)).getLvlType(lvl)); 77 } 78 79 int mlirSparseTensorEncodingAttrGetPosWidth(MlirAttribute attr) { 80 return cast<SparseTensorEncodingAttr>(unwrap(attr)).getPosWidth(); 81 } 82 83 int mlirSparseTensorEncodingAttrGetCrdWidth(MlirAttribute attr) { 84 return cast<SparseTensorEncodingAttr>(unwrap(attr)).getCrdWidth(); 85 } 86