/* * 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 codegen_aocl.cc */ #include <tvm/target/target.h> #include <vector> #include <string> #include "codegen_opencl.h" #include "../build_common.h" #include "../../runtime/opencl/aocl/aocl_module.h" #include "../../runtime/file_util.h" namespace tvm { namespace codegen { runtime::Module BuildAOCL(Array<LoweredFunc> funcs, std::string target_str, bool emulation) { // Get code. using tvm::runtime::Registry; bool output_ssa = false; CodeGenOpenCL cg; cg.Init(output_ssa); for (LoweredFunc f : funcs) { cg.AddFunction(f); } std::string code = cg.Finish(); if (const auto* f = Registry::Get("tvm_callback_opencl_postproc")) { code = (*f)(code).operator std::string(); } // Write a .cl file. runtime::SaveBinaryToFile("aocl.cl", code.c_str()); // Compile the .cl file. std::string cmd = "aoc aocl.cl"; // AOCL supports fp64. cmd += " -Dcl_khr_fp64"; Target target = Target::Create(target_str); if (target->device_name != "") { cmd += " -board=" + target->device_name; } if (emulation) { cmd += " -march=emulator"; } if (system(cmd.c_str()) != 0) { LOG(FATAL) << "OpenCL offline compilation error."; } // Read .aocx file std::string aocxbin; runtime::LoadBinaryFromFile("aocl.aocx", &aocxbin); return AOCLModuleCreate(aocxbin, "aocx", ExtractFuncInfo(funcs), code); } TVM_REGISTER_GLOBAL("codegen.build_aocl") .set_body([](TVMArgs args, TVMRetValue* rv) { *rv = BuildAOCL(args[0], args[1], false); }); TVM_REGISTER_GLOBAL("codegen.build_aocl_sw_emu") .set_body([](TVMArgs args, TVMRetValue* rv) { *rv = BuildAOCL(args[0], args[1], true); }); } // namespace codegen } // namespace tvm