source/fuzz/transformation_toggle_access_chain_instruction.h

   1 // Copyright (c) 2020 André Perez Maselco
   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_FUZZ_TRANSFORMATION_TOGGLE_ACCESS_CHAIN_INSTRUCTION_H_
  16 #define SOURCE_FUZZ_TRANSFORMATION_TOGGLE_ACCESS_CHAIN_INSTRUCTION_H_
  17
  18 #include "source/fuzz/protobufs/spirvfuzz_protobufs.h"
  19 #include "source/fuzz/transformation.h"
  20 #include "source/fuzz/transformation_context.h"
  21 #include "source/opt/ir_context.h"
  22
  23 namespace spvtools {
  24 namespace fuzz {
  25
  26 class TransformationToggleAccessChainInstruction : public Transformation {
  27  public:
  28   explicit TransformationToggleAccessChainInstruction(
  29       protobufs::TransformationToggleAccessChainInstruction message);
  30
  31   TransformationToggleAccessChainInstruction(
  32       const protobufs::InstructionDescriptor& instruction_descriptor);
  33
  34   // - |message_.instruction_descriptor| must identify an existing
  35   //   access chain instruction
  36   bool IsApplicable(
  37       opt::IRContext* ir_context,
  38       const TransformationContext& transformation_context) const override;
  39
  40   // Toggles the access chain instruction.
  41   void Apply(opt::IRContext* ir_context,
  42              TransformationContext* transformation_context) const override;
  43
  44   std::unordered_set<uint32_t> GetFreshIds() const override;
  45
  46   protobufs::Transformation ToMessage() const override;
  47
  48  private:
  49   protobufs::TransformationToggleAccessChainInstruction message_;
  50 };
  51
  52 }  // namespace fuzz
  53 }  // namespace spvtools
  54
  55 #endif  // SOURCE_FUZZ_TRANSFORMATION_TOGGLE_ACCESS_CHAIN_INSTRUCTION_H_