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_TRANSFORMATION_add_early_terminator_wrapper_H_ 16 #define SOURCE_FUZZ_TRANSFORMATION_add_early_terminator_wrapper_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 TransformationAddEarlyTerminatorWrapper : public Transformation { 27 public: 28 explicit TransformationAddEarlyTerminatorWrapper( 29 protobufs::TransformationAddEarlyTerminatorWrapper message); 30 31 TransformationAddEarlyTerminatorWrapper(uint32_t function_fresh_id, 32 uint32_t label_fresh_id, 33 SpvOp opcode); 34 35 // - |message_.function_fresh_id| and |message_.label_fresh_id| must be fresh 36 // and distinct. 37 // - OpTypeVoid must be declared in the module. 38 // - The module must contain a type for a zero-argument void function. 39 bool IsApplicable( 40 opt::IRContext* ir_context, 41 const TransformationContext& transformation_context) const override; 42 43 // Adds a function to the module of the form: 44 // 45 // |message_.function_fresh_id| = OpFunction %void None %zero_args_return_void 46 // |message_.label_fresh_id| = OpLabel 47 // |message_.opcode| 48 // OpFunctionEnd 49 void Apply(opt::IRContext* ir_context, 50 TransformationContext* transformation_context) const override; 51 52 std::unordered_set<uint32_t> GetFreshIds() const override; 53 54 protobufs::Transformation ToMessage() const override; 55 56 private: 57 protobufs::TransformationAddEarlyTerminatorWrapper message_; 58 }; 59 60 } // namespace fuzz 61 } // namespace spvtools 62 63 #endif // SOURCE_FUZZ_TRANSFORMATION_add_early_terminator_wrapper_H_ 64