/*! * Copyright (c) 2017 by Contributors * \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_