/* * 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. */ /*! * Copyright (c) 2016 by Contributors * \file expr.cc */ #include <tvm/base.h> #include <tvm/expr.h> #include <tvm/ir.h> #include <tvm/expr_operator.h> #include <ir/IRPrinter.h> #include <memory> namespace tvm { using HalideIR::IR::RangeNode; Range::Range(Expr begin, Expr end) : Range(make_node<RangeNode>( begin, is_zero(begin) ? end : (end - begin))) { } Range Range::make_by_min_extent(Expr min, Expr extent) { return Range(make_node<HalideIR::IR::RangeNode>(min, extent)); } IterVar IterVarNode::make(Range dom, Var var, IterVarType t, std::string thread_tag) { NodePtr<IterVarNode> n = make_node<IterVarNode>(); n->dom = dom; n->var = var; n->iter_type = t; n->thread_tag = thread_tag; return IterVar(n); } IterVar thread_axis(Range dom, std::string tag) { return IterVarNode::make( dom, Var(tag), kThreadIndex, tag); } IterVar reduce_axis(Range dom, std::string name) { return IterVarNode::make( dom, Var(name), kCommReduce); } std::ostream& operator<<(std::ostream& os, const NodeRef& n) { // NOLINT(*) IRPrinter(os).print(n); return os; } void Dump(const NodeRef& n) { std::cerr << n << "\n"; } Var var(const std::string& name_hint, Type t) { return Var(name_hint, t); } TVM_STATIC_IR_FUNCTOR(IRPrinter, vtable) .set_dispatch<IterVarNode>([](const IterVarNode *op, IRPrinter *p) { p->stream << "iter_var("; if (op->var->name_hint.length() != 0) { p->stream << op->var->name_hint << ", "; } if (op->dom.defined()) { p->stream << op->dom; } if (op->thread_tag.length() != 0) { p->stream << ", " << op->thread_tag; } p->stream << ")"; }); TVM_STATIC_IR_FUNCTOR(IRPrinter, vtable) .set_dispatch<RangeNode>([](const HalideIR::IR::RangeNode *op, IRPrinter *p) { p->stream << "range(min=" << op->min << ", ext=" << op->extent << ')'; }); TVM_REGISTER_NODE_TYPE(ArrayNode); TVM_REGISTER_NODE_TYPE(MapNode); TVM_REGISTER_NODE_TYPE(StrMapNode); TVM_REGISTER_NODE_TYPE(RangeNode); TVM_REGISTER_NODE_TYPE(IterVarNode); } // namespace tvm