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( 24 static_cast<int>(MLIR_SPARSE_TENSOR_LEVEL_DENSE) == 25 static_cast<int>(LevelFormat::Dense) && 26 static_cast<int>(MLIR_SPARSE_TENSOR_LEVEL_COMPRESSED) == 27 static_cast<int>(LevelFormat::Compressed) && 28 static_cast<int>(MLIR_SPARSE_TENSOR_LEVEL_SINGLETON) == 29 static_cast<int>(LevelFormat::Singleton) && 30 static_cast<int>(MLIR_SPARSE_TENSOR_LEVEL_LOOSE_COMPRESSED) == 31 static_cast<int>(LevelFormat::LooseCompressed) && 32 static_cast<int>(MLIR_SPARSE_TENSOR_LEVEL_N_OUT_OF_M) == 33 static_cast<int>(LevelFormat::NOutOfM), 34 "MlirSparseTensorLevelFormat (C-API) and LevelFormat (C++) mismatch"); 35 36 static_assert(static_cast<int>(MLIR_SPARSE_PROPERTY_NON_ORDERED) == 37 static_cast<int>(LevelPropertyNondefault::Nonordered) && 38 static_cast<int>(MLIR_SPARSE_PROPERTY_NON_UNIQUE) == 39 static_cast<int>(LevelPropertyNondefault::Nonunique), 40 "MlirSparseTensorLevelProperty (C-API) and " 41 "LevelPropertyNondefault (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 enum MlirSparseTensorLevelFormat 80 mlirSparseTensorEncodingAttrGetLvlFmt(MlirAttribute attr, intptr_t lvl) { 81 LevelType lt = 82 static_cast<LevelType>(mlirSparseTensorEncodingAttrGetLvlType(attr, lvl)); 83 return static_cast<MlirSparseTensorLevelFormat>(*getLevelFormat(lt)); 84 } 85 86 int mlirSparseTensorEncodingAttrGetPosWidth(MlirAttribute attr) { 87 return cast<SparseTensorEncodingAttr>(unwrap(attr)).getPosWidth(); 88 } 89 90 int mlirSparseTensorEncodingAttrGetCrdWidth(MlirAttribute attr) { 91 return cast<SparseTensorEncodingAttr>(unwrap(attr)).getCrdWidth(); 92 } 93 94 MlirSparseTensorLevelType mlirSparseTensorEncodingAttrBuildLvlType( 95 enum MlirSparseTensorLevelFormat lvlFmt, 96 const enum MlirSparseTensorLevelPropertyNondefault *properties, 97 unsigned size, unsigned n, unsigned m) { 98 99 std::vector<LevelPropertyNondefault> props; 100 for (unsigned i = 0; i < size; i++) 101 props.push_back(static_cast<LevelPropertyNondefault>(properties[i])); 102 103 return static_cast<MlirSparseTensorLevelType>( 104 *buildLevelType(static_cast<LevelFormat>(lvlFmt), props, n, m)); 105 } 106 107 unsigned 108 mlirSparseTensorEncodingAttrGetStructuredN(MlirSparseTensorLevelType lvlType) { 109 return getN(static_cast<LevelType>(lvlType)); 110 } 111 112 unsigned 113 mlirSparseTensorEncodingAttrGetStructuredM(MlirSparseTensorLevelType lvlType) { 114 return getM(static_cast<LevelType>(lvlType)); 115 } 116