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 | #include <sstream> |
20 | #include <string> |
21 | |
22 | #include "../../../../target/source/codegen_c_host.h" |
23 | |
24 | namespace tvm { |
25 | namespace relay { |
26 | namespace contrib { |
27 | namespace example_target_hooks { |
28 | |
29 | using namespace tir; |
30 | |
31 | class CodeGenExampleTargetHook : public codegen::CodeGenCHost { |
32 | public: |
33 | using codegen::CodeGenCHost::VisitExpr_; |
34 | |
35 | /*! |
36 | * \brief Emit code that changes adds to multiplies for testing |
37 | */ |
38 | void VisitExpr_(const SubNode* op, std::ostream& os) final { |
39 | os << '('; |
40 | PrintExpr(op->a, os); |
41 | os << " * " ; |
42 | PrintExpr(op->b, os); |
43 | os << ')'; |
44 | } |
45 | }; |
46 | |
47 | runtime::Module TIRToRuntime(IRModule mod, Target target) { |
48 | bool output_ssa = false; |
49 | bool emit_asserts = false; |
50 | bool emit_fwd_func_decl = false; |
51 | CodeGenExampleTargetHook codegen; |
52 | Array<String> function_names; |
53 | std::unordered_set<std::string> devices; |
54 | codegen.Init(output_ssa, emit_asserts, emit_fwd_func_decl, target->str(), devices); |
55 | for (auto kv : mod->functions) { |
56 | auto prim_func = Downcast<PrimFunc>(kv.second); |
57 | auto global_symbol = prim_func->GetAttr<String>(tvm::attr::kGlobalSymbol); |
58 | function_names.push_back(global_symbol.value()); |
59 | codegen.AddFunction(prim_func); |
60 | } |
61 | std::string code = codegen.Finish(); |
62 | return codegen::CSourceModuleCreate(code, "c" , function_names); |
63 | } |
64 | |
65 | } // namespace example_target_hooks |
66 | } // namespace contrib |
67 | } // namespace relay |
68 | } // namespace tvm |
69 | |