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instructionmapper
2020 Sep 01
2
[RFC] Framework for Finding and Using Similarity at the IR Level
...mapping for the operands of two different instances of a repeated substring can be found, so that each set of operands is operated on in the same way, then those two regions of instructions are considered to be structurally similar to one another. These tasks are handled by three new classes: The IRInstructionMapper, the IRSimilarityCandidate, and the IRSimilarityIdentifier.
Finding Similarity Implementation:
IRInstructionMapper:
Since matching instructions that are identical does not provide that much information when looking for structural similarity, the value of the instruction, and the value of the oper...