source/fuzz/fuzzer_pass_add_composite_inserts.h

   1 // Copyright (c) 2020 Google LLC
   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_ADD_COMPOSITE_INSERTS_H_
  16 #define SOURCE_FUZZ_FUZZER_PASS_ADD_COMPOSITE_INSERTS_H_
  17
  18 #include "source/fuzz/fuzzer_pass.h"
  19
  20 namespace spvtools {
  21 namespace fuzz {
  22
  23 // Fuzzer pass that randomly adds new OpCompositeInsert instructions to
  24 // available values that have the composite type.
  25 class FuzzerPassAddCompositeInserts : public FuzzerPass {
  26  public:
  27   FuzzerPassAddCompositeInserts(
  28       opt::IRContext* ir_context, TransformationContext* transformation_context,
  29       FuzzerContext* fuzzer_context,
  30       protobufs::TransformationSequence* transformations,
  31       bool ignore_inapplicable_transformations);
  32
  33   void Apply() override;
  34
  35   // Checks if any component of a composite is a pointer.
  36   static bool ContainsPointer(const opt::analysis::Type& type);
  37
  38   // Checks if any component of a composite has type OpTypeRuntimeArray.
  39   static bool ContainsRuntimeArray(const opt::analysis::Type& type);
  40 };
  41
  42 }  // namespace fuzz
  43 }  // namespace spvtools
  44
  45 #endif  // SOURCE_FUZZ_FUZZER_PASS_ADD_COMPOSITE_INSERTS_H_