1 // Copyright (c) 2021 Shiyu Liu 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_SWAP_TWO_FUNCTIONS_H_ 16 #define SOURCE_FUZZ_TRANSFORMATION_SWAP_TWO_FUNCTIONS_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 TransformationSwapTwoFunctions : public Transformation { 27 public: 28 explicit TransformationSwapTwoFunctions( 29 protobufs::TransformationSwapTwoFunctions message); 30 31 TransformationSwapTwoFunctions(uint32_t function_id1, uint32_t function_id2); 32 33 // |function_id1| and |function_id1| should all be existing ids. 34 // Swap function operation is only permitted if: 35 // - both ids must be ids of functions. 36 // - both ids can be found in the module. 37 // - function_id1 and function_id2 are not the same. 38 bool IsApplicable( 39 opt::IRContext* ir_context, 40 const TransformationContext& transformation_context) const override; 41 42 // OpFunction with |function_id1| and |function_id1| are swapped. 43 void Apply(opt::IRContext* ir_context, 44 TransformationContext* transformation_context) const override; 45 46 std::unordered_set<uint32_t> GetFreshIds() const override; 47 protobufs::Transformation ToMessage() const override; 48 49 private: 50 protobufs::TransformationSwapTwoFunctions message_; 51 }; 52 53 } // namespace fuzz 54 } // namespace spvtools 55 56 #endif // SOURCE_FUZZ_TRANSFORMATION_SWAP_TWO_FUNCTIONS_H_ 57