| //===- Helpers.cpp - MLIR Declarative Helper Functionality ------*- C++ -*-===// |
| // |
| // Copyright 2019 The MLIR Authors. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // ============================================================================= |
| |
| #include "mlir/EDSC/Helpers.h" |
| #include "mlir/IR/AffineExpr.h" |
| #include "mlir/StandardOps/Ops.h" |
| |
| using namespace mlir; |
| using namespace mlir::edsc; |
| |
| static SmallVector<IndexHandle, 8> getMemRefSizes(Value *memRef) { |
| MemRefType memRefType = memRef->getType().cast<MemRefType>(); |
| |
| auto maps = memRefType.getAffineMaps(); |
| (void)maps; |
| assert((maps.empty() || (maps.size() == 1 && maps[0].isIdentity())) && |
| "Layout maps not supported"); |
| SmallVector<IndexHandle, 8> res; |
| res.reserve(memRefType.getShape().size()); |
| const auto &shape = memRefType.getShape(); |
| for (unsigned idx = 0, n = shape.size(); idx < n; ++idx) { |
| if (shape[idx] == -1) { |
| res.push_back(IndexHandle(ValueHandle::create<DimOp>(memRef, idx))); |
| } else { |
| res.push_back(IndexHandle(static_cast<index_t>(shape[idx]))); |
| } |
| } |
| return res; |
| } |
| |
| mlir::edsc::MemRefView::MemRefView(Value *v) : base(v) { |
| assert(v->getType().isa<MemRefType>() && "MemRefType expected"); |
| |
| auto memrefSizeValues = getMemRefSizes(v); |
| for (auto &size : memrefSizeValues) { |
| lbs.push_back(IndexHandle(static_cast<index_t>(0))); |
| ubs.push_back(size); |
| steps.push_back(1); |
| } |
| } |
| |
| /// Operator overloadings. |
| ValueHandle mlir::edsc::IndexedValue::operator+(ValueHandle e) { |
| using op::operator+; |
| return static_cast<ValueHandle>(*this) + e; |
| } |
| ValueHandle mlir::edsc::IndexedValue::operator-(ValueHandle e) { |
| using op::operator-; |
| return static_cast<ValueHandle>(*this) - e; |
| } |
| ValueHandle mlir::edsc::IndexedValue::operator*(ValueHandle e) { |
| using op::operator*; |
| return static_cast<ValueHandle>(*this) * e; |
| } |
| ValueHandle mlir::edsc::IndexedValue::operator/(ValueHandle e) { |
| using op::operator/; |
| return static_cast<ValueHandle>(*this) / e; |
| } |
| |
| ValueHandle mlir::edsc::IndexedValue::operator+=(ValueHandle e) { |
| using op::operator+; |
| return intrinsics::STORE(*this + e, getBase(), indices); |
| } |
| ValueHandle mlir::edsc::IndexedValue::operator-=(ValueHandle e) { |
| using op::operator-; |
| return intrinsics::STORE(*this - e, getBase(), indices); |
| } |
| ValueHandle mlir::edsc::IndexedValue::operator*=(ValueHandle e) { |
| using op::operator*; |
| return intrinsics::STORE(*this * e, getBase(), indices); |
| } |
| ValueHandle mlir::edsc::IndexedValue::operator/=(ValueHandle e) { |
| using op::operator/; |
| return intrinsics::STORE(*this / e, getBase(), indices); |
| } |
| |
| ValueHandle mlir::edsc::operator+(ValueHandle v, IndexedValue i) { |
| using op::operator+; |
| return v + static_cast<ValueHandle>(i); |
| } |
| |
| ValueHandle mlir::edsc::operator-(ValueHandle v, IndexedValue i) { |
| using op::operator-; |
| return v - static_cast<ValueHandle>(i); |
| } |
| |
| ValueHandle mlir::edsc::operator*(ValueHandle v, IndexedValue i) { |
| using op::operator*; |
| return v * static_cast<ValueHandle>(i); |
| } |
| |
| ValueHandle mlir::edsc::operator/(ValueHandle v, IndexedValue i) { |
| using op::operator/; |
| return v / static_cast<ValueHandle>(i); |
| } |