1 // Copyright (c) 2018 Google LLC
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 #ifndef SOURCE_REDUCE_OPERAND_TO_UNDEF_REDUCTION_OPPORTUNITY_FINDER_H_
16 #define SOURCE_REDUCE_OPERAND_TO_UNDEF_REDUCTION_OPPORTUNITY_FINDER_H_
17 
18 #include "source/reduce/reduction_opportunity_finder.h"
19 
20 namespace spvtools {
21 namespace reduce {
22 
23 // A finder of opportunities to replace id operands of instructions with ids of
24 // undef.
25 class OperandToUndefReductionOpportunityFinder
26     : public ReductionOpportunityFinder {
27  public:
28   OperandToUndefReductionOpportunityFinder() = default;
29 
30   ~OperandToUndefReductionOpportunityFinder() override = default;
31 
32   std::string GetName() const final;
33 
34   std::vector<std::unique_ptr<ReductionOpportunity>> GetAvailableOpportunities(
35       opt::IRContext* context, uint32_t target_function) const final;
36 
37  private:
38 };
39 
40 }  // namespace reduce
41 }  // namespace spvtools
42 
43 #endif  // SOURCE_REDUCE_OPERAND_TO_UNDEF_REDUCTION_OPPORTUNITY_FINDER_H_
44