1/*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19
20/*!
21 * Common build utilities
22 * \file build_common.h
23 */
24#ifndef TVM_TARGET_BUILD_COMMON_H_
25#define TVM_TARGET_BUILD_COMMON_H_
26
27#include <tvm/ir/module.h>
28#include <tvm/runtime/registry.h>
29#include <tvm/target/codegen.h>
30#include <tvm/tir/expr.h>
31#include <tvm/tir/function.h>
32#include <tvm/tir/stmt.h>
33
34#include <string>
35#include <unordered_map>
36
37#include "../runtime/meta_data.h"
38
39namespace tvm {
40namespace codegen {
41
42inline std::unordered_map<std::string, runtime::FunctionInfo> ExtractFuncInfo(const IRModule& mod) {
43 std::unordered_map<std::string, runtime::FunctionInfo> fmap;
44
45 for (auto kv : mod->functions) {
46 ICHECK(kv.second->IsInstance<tir::PrimFuncNode>()) << "Can only lower IR Module with PrimFuncs";
47 auto f = Downcast<tir::PrimFunc>(kv.second);
48
49 runtime::FunctionInfo info;
50 for (size_t i = 0; i < f->params.size(); ++i) {
51 info.arg_types.push_back(f->params[i].dtype());
52 }
53 if (auto opt = f->GetAttr<Array<tir::IterVar>>(tir::attr::kDeviceThreadAxis)) {
54 auto thread_axis = opt.value();
55 for (size_t i = 0; i < thread_axis.size(); ++i) {
56 info.launch_param_tags.push_back(thread_axis[i]->thread_tag);
57 }
58 }
59 if (auto opt = f->GetAttr<Integer>(tir::attr::kDeviceUseDynSharedMemory)) {
60 if (opt.value().IntValue() != 0) {
61 info.launch_param_tags.push_back(runtime::launch_param::kUseDynamicSharedMemoryTag);
62 }
63 }
64 auto global_symbol = f->GetAttr<String>(tvm::attr::kGlobalSymbol);
65 fmap[static_cast<std::string>(global_symbol.value())] = info;
66 }
67 return fmap;
68}
69
70} // namespace codegen
71} // namespace tvm
72#endif // TVM_TARGET_BUILD_COMMON_H_
73