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 * \file codegen_metal.h
22 * \brief Generate Metal device code.
23 */
24#ifndef TVM_TARGET_SOURCE_CODEGEN_METAL_H_
25#define TVM_TARGET_SOURCE_CODEGEN_METAL_H_
26
27#include <tvm/target/codegen.h>
28
29#include <string>
30
31#include "codegen_c.h"
32
33namespace tvm {
34namespace codegen {
35
36class CodeGenMetal final : public CodeGenC {
37 public:
38 explicit CodeGenMetal(Target target);
39 // override print thread tag.
40 void PrintArgUnionDecl();
41 void AddFunction(const PrimFunc& f); // NOLINT(*)
42 void InitFuncState(const PrimFunc& f) final;
43 void PrintStorageScope(const std::string& scope, std::ostream& os) final; // NOLINT(*)
44 void PrintStorageSync(const CallNode* op) final; // NOLINT(*)
45 void PrintType(DataType t, std::ostream& os) final; // NOLINT(*)
46 void BindThreadIndex(const IterVar& iv) final; // NOLINT(*)
47 // print load of single element
48 void PrintVecElemLoad(const std::string& vec, DataType t, int i,
49 std::ostream& os) final; // NOLINT(*)
50 // print store of single element.
51 void PrintVecElemStore(const std::string& vec, DataType t, int i, const std::string& value) final;
52 // overload visitor
53 void VisitExpr_(const BroadcastNode* op, std::ostream& os) final; // NOLINT(*)
54 void VisitExpr_(const CallNode* op, std::ostream& os) final; // NOLINT(*)
55 void VisitExpr_(const FloatImmNode* op, std::ostream& os) final;
56 // reuse parent's function.
57 using CodeGenC::PrintType;
58
59 private:
60 int thread_index_bits_{32};
61 Target target_;
62};
63} // namespace codegen
64} // namespace tvm
65
66#endif // TVM_TARGET_SOURCE_CODEGEN_METAL_H_
67