1 // Copyright (c) 2019 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_TRANSFORMATION_ADD_GLOBAL_UNDEF_H_ 16 #define SOURCE_FUZZ_TRANSFORMATION_ADD_GLOBAL_UNDEF_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 TransformationAddGlobalUndef : public Transformation { 27 public: 28 explicit TransformationAddGlobalUndef( 29 const protobufs::TransformationAddGlobalUndef& message); 30 31 TransformationAddGlobalUndef(uint32_t fresh_id, uint32_t type_id); 32 33 // - |message_.fresh_id| must be fresh 34 // - |message_.type_id| must be the id of a non-function type 35 bool IsApplicable( 36 opt::IRContext* ir_context, 37 const TransformationContext& transformation_context) const override; 38 39 // Adds an OpUndef instruction to the module, with |message_.type_id| as its 40 // type. The instruction has result id |message_.fresh_id|. 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::TransformationAddGlobalUndef message_; 50 }; 51 52 } // namespace fuzz 53 } // namespace spvtools 54 55 #endif // SOURCE_FUZZ_TRANSFORMATION_ADD_GLOBAL_UNDEF_H_ 56