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_FUZZER_PASS_PUSH_IDS_THROUGH_VARIABLES_H_
16 #define SOURCE_FUZZ_FUZZER_PASS_PUSH_IDS_THROUGH_VARIABLES_H_
17 
18 #include "source/fuzz/fuzzer_pass.h"
19 
20 namespace spvtools {
21 namespace fuzz {
22 
23 // Adds instructions to the module that store existing ids into fresh variables
24 // and immediately load from said variables into new ids, thus creating synonyms
25 // between the existing and fresh ids.
26 class FuzzerPassPushIdsThroughVariables : public FuzzerPass {
27  public:
28   FuzzerPassPushIdsThroughVariables(
29       opt::IRContext* ir_context, TransformationContext* transformation_context,
30       FuzzerContext* fuzzer_context,
31       protobufs::TransformationSequence* transformations);
32 
33   ~FuzzerPassPushIdsThroughVariables() override;
34 
35   void Apply() override;
36 };
37 
38 }  // namespace fuzz
39 }  // namespace spvtools
40 
41 #endif  // SOURCE_FUZZ_FUZZER_PASS_PUSH_IDS_THROUGH_VARIABLES_H_
42