/* * 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 intrin_rule.h * \brief Utility to generate intrinsic rules */ #ifndef TVM_CODEGEN_INTRIN_RULE_H_ #define TVM_CODEGEN_INTRIN_RULE_H_ #include <tvm/ir.h> #include <tvm/expr.h> #include <tvm/api_registry.h> #include <tvm/runtime/registry.h> #include <string> namespace tvm { namespace codegen { namespace intrin { using namespace ir; // Add float suffix to the intrinsics struct FloatSuffix { std::string operator()(Type t, std::string name) const { if (t == Float(32)) { return name + 'f'; } else if (t == Float(64)) { return name; } else { return ""; } } }; // Return the intrinsic name struct Direct { std::string operator()(Type t, std::string name) const { return name; } }; // Call pure extern function. template<typename T> inline void DispatchExtern(const TVMArgs& args, TVMRetValue* rv) { Expr e = args[0]; const Call* call = e.as<Call>(); CHECK(call != nullptr); std::string name = T()(call->type, call->name); if (name.length() != 0) { *rv = Call::make( call->type, name, call->args, Call::PureExtern); } else { *rv = e; } } } // namespace intrin } // namespace codegen } // namespace tvm #endif // TVM_CODEGEN_INTRIN_RULE_H_