1 /* Copyright 2017 The TensorFlow Authors. All Rights Reserved.
2
3 Licensed under the Apache License, Version 2.0 (the "License");
4 you may not use this file except in compliance with the License.
5 You may obtain a copy of the License at
6
7 http://www.apache.org/licenses/LICENSE-2.0
8
9 Unless required by applicable law or agreed to in writing, software
10 distributed under the License is distributed on an "AS IS" BASIS,
11 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 See the License for the specific language governing permissions and
13 limitations under the License.
14 ==============================================================================*/
15
16 #include "tensorflow/compiler/xla/service/hlo_opcode.h"
17 #include "tensorflow/compiler/xla/types.h"
18 #include "tensorflow/compiler/xla/util.h"
19 #include "tensorflow/core/lib/gtl/flatmap.h"
20
21 namespace xla {
22
HloOpcodeString(HloOpcode opcode)23 string HloOpcodeString(HloOpcode opcode) {
24 switch (opcode) {
25 #define CASE_OPCODE_STRING(enum_name, opcode_name, ...) \
26 case HloOpcode::enum_name: \
27 return opcode_name;
28 HLO_OPCODE_LIST(CASE_OPCODE_STRING)
29 #undef CASE_OPCODE_STRING
30 }
31 }
32
StringToHloOpcode(const string & opcode_name)33 StatusOr<HloOpcode> StringToHloOpcode(const string& opcode_name) {
34 static auto* opcode_map = new tensorflow::gtl::FlatMap<string, HloOpcode>({
35 #define STRING_TO_OPCODE_ENTRY(enum_name, opcode_name, ...) \
36 {opcode_name, HloOpcode::enum_name},
37 HLO_OPCODE_LIST(STRING_TO_OPCODE_ENTRY)
38 #undef STRING_TO_OPCODE_ENTRY
39 });
40 auto it = opcode_map->find(opcode_name);
41 if (it == opcode_map->end()) {
42 return InvalidArgument("Unknown opcode: %s", opcode_name.c_str());
43 }
44 return it->second;
45 }
46
47 #define CHECK_DEFAULT(property_name, opcode_name) false
48 #define CHECK_PROPERTY(property_name, opcode_name, value) \
49 (value & property_name)
50 #define RESOLVE(_1, _2, target, ...) target
51 #define HAS_PROPERTY(property, ...) \
52 RESOLVE(__VA_ARGS__, CHECK_PROPERTY, CHECK_DEFAULT)(property, __VA_ARGS__)
53
HloOpcodeIsComparison(HloOpcode opcode)54 bool HloOpcodeIsComparison(HloOpcode opcode) {
55 switch (opcode) {
56 #define CASE_IS_COMPARISON(enum_name, ...) \
57 case HloOpcode::enum_name: \
58 return HAS_PROPERTY(kHloOpcodeIsComparison, __VA_ARGS__);
59 HLO_OPCODE_LIST(CASE_IS_COMPARISON)
60 #undef CASE_IS_COMPARISON
61 }
62 }
63
HloOpcodeIsVariadic(HloOpcode opcode)64 bool HloOpcodeIsVariadic(HloOpcode opcode) {
65 switch (opcode) {
66 #define CASE_IS_VARIADIC(enum_name, ...) \
67 case HloOpcode::enum_name: \
68 return HAS_PROPERTY(kHloOpcodeIsVariadic, __VA_ARGS__);
69 HLO_OPCODE_LIST(CASE_IS_VARIADIC)
70 #undef CASE_IS_VARIADIC
71 }
72 }
73
74 #undef HAS_PROPERTY
75 #undef RESOLVE
76 #undef CHECK_DEFAULT
77 #undef CHECK_PROPERTY
78
79 } // namespace xla
80