xref: /aosp_15_r20/external/tensorflow/tensorflow/compiler/xla/service/custom_call_sharding_helper.cc (revision b6fb3261f9314811a0f4371741dbb8839866f948) 
1 /* Copyright 2022 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/custom_call_sharding_helper.h"
17 
18 namespace xla {
19 
PropagateUserSharding(const HloInstruction * instruction,const HloInstruction * user,const HloSharding & sharding) const20 HloSharding CustomCallShardingHelper::PropagateUserSharding(
21     const HloInstruction* instruction, const HloInstruction* user,
22     const HloSharding& sharding) const {
23   return sharding;
24 }
InferShardingFromOperands(const HloInstruction * instruction) const25 std::optional<HloSharding> CustomCallShardingHelper::InferShardingFromOperands(
26     const HloInstruction* instruction) const {
27   return std::nullopt;
28 }
IsCustomCallShardable(const HloInstruction * instruction) const29 bool CustomCallShardingHelper::IsCustomCallShardable(
30     const HloInstruction* instruction) const {
31   return false;
32 }
33 
34 }  // namespace xla
35