129 lines · cpp
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-exception6//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 16using namespace llvm;17using namespace mlir::sparse_tensor;18 19MLIR_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.23static_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 36static_assert(static_cast<int>(MLIR_SPARSE_PROPERTY_NON_ORDERED) ==37 static_cast<int>(LevelPropNonDefault::Nonordered) &&38 static_cast<int>(MLIR_SPARSE_PROPERTY_NON_UNIQUE) ==39 static_cast<int>(LevelPropNonDefault::Nonunique) &&40 static_cast<int>(MLIR_SPARSE_PROPERTY_SOA) ==41 static_cast<int>(LevelPropNonDefault::SoA),42 "MlirSparseTensorLevelProperty (C-API) and "43 "LevelPropertyNondefault (C++) mismatch");44 45bool mlirAttributeIsASparseTensorEncodingAttr(MlirAttribute attr) {46 return isa<SparseTensorEncodingAttr>(unwrap(attr));47}48 49MlirAttribute mlirSparseTensorEncodingAttrGet(50 MlirContext ctx, intptr_t lvlRank,51 MlirSparseTensorLevelType const *lvlTypes, MlirAffineMap dimToLvl,52 MlirAffineMap lvlToDim, int posWidth, int crdWidth,53 MlirAttribute explicitVal, MlirAttribute implicitVal) {54 SmallVector<LevelType> cppLvlTypes;55 56 cppLvlTypes.reserve(lvlRank);57 for (intptr_t l = 0; l < lvlRank; ++l)58 cppLvlTypes.push_back(static_cast<LevelType>(lvlTypes[l]));59 60 return wrap(SparseTensorEncodingAttr::get(61 unwrap(ctx), cppLvlTypes, unwrap(dimToLvl), unwrap(lvlToDim), posWidth,62 crdWidth, unwrap(explicitVal), unwrap(implicitVal)));63}64 65MlirAffineMap mlirSparseTensorEncodingAttrGetDimToLvl(MlirAttribute attr) {66 return wrap(cast<SparseTensorEncodingAttr>(unwrap(attr)).getDimToLvl());67}68 69MlirAffineMap mlirSparseTensorEncodingAttrGetLvlToDim(MlirAttribute attr) {70 return wrap(cast<SparseTensorEncodingAttr>(unwrap(attr)).getLvlToDim());71}72 73intptr_t mlirSparseTensorEncodingGetLvlRank(MlirAttribute attr) {74 return cast<SparseTensorEncodingAttr>(unwrap(attr)).getLvlRank();75}76 77MlirSparseTensorLevelType78mlirSparseTensorEncodingAttrGetLvlType(MlirAttribute attr, intptr_t lvl) {79 return static_cast<MlirSparseTensorLevelType>(80 cast<SparseTensorEncodingAttr>(unwrap(attr)).getLvlType(lvl));81}82 83enum MlirSparseTensorLevelFormat84mlirSparseTensorEncodingAttrGetLvlFmt(MlirAttribute attr, intptr_t lvl) {85 LevelType lt =86 static_cast<LevelType>(mlirSparseTensorEncodingAttrGetLvlType(attr, lvl));87 return static_cast<MlirSparseTensorLevelFormat>(lt.getLvlFmt());88}89 90int mlirSparseTensorEncodingAttrGetPosWidth(MlirAttribute attr) {91 return cast<SparseTensorEncodingAttr>(unwrap(attr)).getPosWidth();92}93 94int mlirSparseTensorEncodingAttrGetCrdWidth(MlirAttribute attr) {95 return cast<SparseTensorEncodingAttr>(unwrap(attr)).getCrdWidth();96}97 98MlirAttribute mlirSparseTensorEncodingAttrGetExplicitVal(MlirAttribute attr) {99 return wrap(cast<SparseTensorEncodingAttr>(unwrap(attr)).getExplicitVal());100}101 102MlirAttribute mlirSparseTensorEncodingAttrGetImplicitVal(MlirAttribute attr) {103 return wrap(cast<SparseTensorEncodingAttr>(unwrap(attr)).getImplicitVal());104}105 106MlirSparseTensorLevelType mlirSparseTensorEncodingAttrBuildLvlType(107 enum MlirSparseTensorLevelFormat lvlFmt,108 const enum MlirSparseTensorLevelPropertyNondefault *properties,109 unsigned size, unsigned n, unsigned m) {110 111 std::vector<LevelPropNonDefault> props;112 props.reserve(size);113 for (unsigned i = 0; i < size; i++)114 props.push_back(static_cast<LevelPropNonDefault>(properties[i]));115 116 return static_cast<MlirSparseTensorLevelType>(117 *buildLevelType(static_cast<LevelFormat>(lvlFmt), props, n, m));118}119 120unsigned121mlirSparseTensorEncodingAttrGetStructuredN(MlirSparseTensorLevelType lvlType) {122 return getN(static_cast<LevelType>(lvlType));123}124 125unsigned126mlirSparseTensorEncodingAttrGetStructuredM(MlirSparseTensorLevelType lvlType) {127 return getM(static_cast<LevelType>(lvlType));128}129