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_STORE_H_ 16 #define SOURCE_FUZZ_TRANSFORMATION_STORE_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 TransformationStore : public Transformation { 27 public: 28 explicit TransformationStore(protobufs::TransformationStore message); 29 30 TransformationStore( 31 uint32_t pointer_id, uint32_t value_id, 32 const protobufs::InstructionDescriptor& instruction_to_insert_before); 33 34 // - |message_.pointer_id| must be the id of a pointer 35 // - The pointer type must not have read-only storage class 36 // - The pointer must not be OpConstantNull or OpUndef 37 // - |message_.value_id| must be an instruction result id that has the same 38 // type as the pointee type of |message_.pointer_id| 39 // - |message_.instruction_to_insert_before| must identify an instruction 40 // before which it is valid to insert an OpStore, and where both 41 // |message_.pointer_id| and |message_.value_id| are available (according 42 // to dominance rules) 43 // - Either the insertion point must be in a dead block, or it must be known 44 // that the pointee value of |message_.pointer_id| is irrelevant 45 bool IsApplicable( 46 opt::IRContext* ir_context, 47 const TransformationContext& transformation_context) const override; 48 49 // Adds an instruction of the form: 50 // OpStore |pointer_id| |value_id| 51 // before the instruction identified by 52 // |message_.instruction_to_insert_before|. 53 void Apply(opt::IRContext* ir_context, 54 TransformationContext* transformation_context) const override; 55 56 std::unordered_set<uint32_t> GetFreshIds() const override; 57 58 protobufs::Transformation ToMessage() const override; 59 60 private: 61 protobufs::TransformationStore message_; 62 }; 63 64 } // namespace fuzz 65 } // namespace spvtools 66 67 #endif // SOURCE_FUZZ_TRANSFORMATION_STORE_H_ 68