SPIRV-Tools/source/reduce/merge_blocks_reduction_opportunity_finder.h
Alastair Donaldson 37861ac106
Merge blocks in reducer (#2353)
Fixes #2120 

Enhanced the reducer so that it can merge blocks together, leveraging the functionality extracted from the block_merge pass in the optimizer.
2019-02-01 14:56:54 +00:00

43 lines
1.4 KiB
C++

// Copyright (c) 2019 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef SOURCE_REDUCE_MERGE_BLOCKS_REDUCTION_OPPORTUNITY_FINDER_H_
#define SOURCE_REDUCE_MERGE_BLOCKS_REDUCTION_OPPORTUNITY_FINDER_H_
#include "source/reduce/reduction_opportunity_finder.h"
namespace spvtools {
namespace reduce {
// A finder of opportunities to merge blocks together.
class MergeBlocksReductionOpportunityFinder
: public ReductionOpportunityFinder {
public:
MergeBlocksReductionOpportunityFinder() = default;
~MergeBlocksReductionOpportunityFinder() override = default;
std::string GetName() const final;
std::vector<std::unique_ptr<ReductionOpportunity>> GetAvailableOpportunities(
opt::IRContext* context) const final;
private:
};
} // namespace reduce
} // namespace spvtools
#endif // SOURCE_REDUCE_MERGE_BLOCKS_REDUCTION_OPPORTUNITY_FINDER_H_