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       const 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_
56