text: // Copyright (c) 2020 André Perez Maselco
  //
  // 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_FUZZ_TRANSFORMATION_SWAP_COMMUTABLE_OPERANDS_H_
  #define SOURCE_FUZZ_TRANSFORMATION_SWAP_COMMUTABLE_OPERANDS_H_
  
  #include "source/fuzz/fact_manager.h"
  #include "source/fuzz/protobufs/spirvfuzz_protobufs.h"
  #include "source/fuzz/transformation.h"
  #include "source/opt/ir_context.h"
  
  namespace spvtools {
  namespace fuzz {
  
  class TransformationSwapCommutableOperands : public Transformation {
   public:
    explicit TransformationSwapCommutableOperands(
        const protobufs::TransformationSwapCommutableOperands& message);
  
    TransformationSwapCommutableOperands(
        const protobufs::InstructionDescriptor& instruction_descriptor);
  
    // - |message_.instruction_descriptor| must identify an existing
    // commutative instruction
    bool IsApplicable(opt::IRContext* context,
                      const FactManager& fact_manager) const override;
  
    // Swaps the commutable operands.
    void Apply(opt::IRContext* context, FactManager* fact_manager) const override;
  
    protobufs::Transformation ToMessage() const override;
  
   private:
    protobufs::TransformationSwapCommutableOperands message_;
  };
  
  }  // namespace fuzz
  }  // namespace spvtools
  
  #endif  // SOURCE_FUZZ_TRANSFORMATION_SWAP_COMMUTABLE_OPERANDS_H_
  