1 // Copyright (c) 2020 Vasyl Teliman 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_PERMUTE_FUNCTION_PARAMETERS_H_ 16 #define SOURCE_FUZZ_TRANSFORMATION_PERMUTE_FUNCTION_PARAMETERS_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 TransformationPermuteFunctionParameters : public Transformation { 27 public: 28 explicit TransformationPermuteFunctionParameters( 29 const protobufs::TransformationPermuteFunctionParameters& message); 30 31 TransformationPermuteFunctionParameters( 32 uint32_t function_id, uint32_t function_type_fresh_id, 33 const std::vector<uint32_t>& permutation); 34 35 // - |function_id| is a valid non-entry-point OpFunction instruction 36 // - |function_type_fresh_id| is a fresh id. 37 // New type is valid if: 38 // - it has the same number of operands as the old one 39 // - function's result type is the same as the old one 40 // - function's arguments are permuted according to |permutation| vector 41 // - |permutation| is a set of [0..(n - 1)], where n is a number of arguments 42 // to the function 43 bool IsApplicable( 44 opt::IRContext* ir_context, 45 const TransformationContext& transformation_context) const override; 46 47 // - OpFunction instruction with |result_id == function_id| is changed. 48 // Its arguments are permuted according to the |permutation| vector 49 // - Adjusts function's type to accommodate for permuted parameters. 50 // - Calls to the function are adjusted accordingly 51 void Apply(opt::IRContext* ir_context, 52 TransformationContext* transformation_context) const override; 53 54 std::unordered_set<uint32_t> GetFreshIds() const override; 55 56 protobufs::Transformation ToMessage() const override; 57 58 private: 59 protobufs::TransformationPermuteFunctionParameters message_; 60 }; 61 62 } // namespace fuzz 63 } // namespace spvtools 64 65 #endif // SOURCE_FUZZ_TRANSFORMATION_PERMUTE_FUNCTION_PARAMETERS_H_ 66