| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| |
| /*! |
| * \file src/tir/ir/function.cc |
| * \brief The function data structure. |
| */ |
| #include <tvm/runtime/registry.h> |
| #include <tvm/tir/function.h> |
| #include <tvm/tir/op.h> |
| |
| namespace tvm { |
| namespace tir { |
| |
| // Get the function type of a PrimFunc |
| PrimFunc::PrimFunc(Array<tir::Var> params, Stmt body, Type ret_type, |
| Map<tir::Var, Buffer> buffer_map, DictAttrs attrs) { |
| // Assume void-return type for now |
| // TODO(tvm-team) consider type deduction from body. |
| if (!ret_type.defined()) { |
| ret_type = VoidType(); |
| } |
| auto n = make_object<PrimFuncNode>(); |
| n->params = std::move(params); |
| n->body = std::move(body); |
| n->ret_type = std::move(ret_type); |
| n->buffer_map = std::move(buffer_map); |
| n->attrs = std::move(attrs); |
| n->checked_type_ = n->func_type_annotation(); |
| data_ = std::move(n); |
| } |
| |
| FuncType PrimFuncNode::func_type_annotation() const { |
| Array<Type> param_types; |
| for (auto param : this->params) { |
| param_types.push_back(GetType(param)); |
| } |
| return FuncType(param_types, ret_type, {}, {}); |
| } |
| |
| TVM_REGISTER_NODE_TYPE(PrimFuncNode); |
| |
| TVM_STATIC_IR_FUNCTOR(ReprPrinter, vtable) |
| .set_dispatch<PrimFuncNode>([](const ObjectRef& ref, ReprPrinter* p) { |
| // TODO(tvm-team) redirect to Text printer once we have a good text format. |
| auto* node = static_cast<const PrimFuncNode*>(ref.get()); |
| p->stream << "PrimFunc(" << node->params << ") "; |
| if (node->attrs.defined()) { |
| p->stream << "attrs=" << node->attrs; |
| } |
| p->stream << " {\n"; |
| p->indent += 2; |
| p->Print(node->body); |
| p->indent -= 2; |
| p->stream << "}\n"; |
| }); |
| |
| TVM_REGISTER_GLOBAL("tir.PrimFunc") |
| .set_body_typed([](Array<tir::Var> params, Stmt body, Type ret_type, |
| Map<tir::Var, Buffer> buffer_map, DictAttrs attrs) { |
| return PrimFunc(params, body, ret_type, buffer_map, attrs); |
| }); |
| |
| } // namespace tir |
| } // namespace tvm |