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_ID_USE_DESCRIPTOR_H_ 16 #define SOURCE_FUZZ_ID_USE_DESCRIPTOR_H_ 17 18 #include "source/fuzz/protobufs/spirvfuzz_protobufs.h" 19 #include "source/opt/ir_context.h" 20 21 namespace spvtools { 22 namespace fuzz { 23 24 // Looks for an instruction in |context| that contains a use 25 // identified by |id_use_descriptor|. 26 // Returns |nullptr| if no such instruction can be found. 27 opt::Instruction* FindInstructionContainingUse( 28 const protobufs::IdUseDescriptor& id_use_descriptor, 29 opt::IRContext* context); 30 31 // Creates an IdUseDescriptor protobuf message from the given components. 32 // See the protobuf definition for details of what these components mean. 33 protobufs::IdUseDescriptor MakeIdUseDescriptor( 34 uint32_t id_of_interest, 35 const protobufs::InstructionDescriptor& enclosing_instruction, 36 uint32_t in_operand_index); 37 38 // Given an id use, represented by the instruction |inst| that uses the id, and 39 // the input operand index |in_operand_index| associated with the usage, returns 40 // an IdUseDescriptor that represents the use. 41 protobufs::IdUseDescriptor MakeIdUseDescriptorFromUse( 42 opt::IRContext* context, opt::Instruction* inst, uint32_t in_operand_index); 43 44 } // namespace fuzz 45 } // namespace spvtools 46 47 #endif // SOURCE_FUZZ_ID_USE_DESCRIPTOR_H_ 48