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d53944
2020 Sep 01
2
[RFC] Framework for Finding and Using Similarity at the IR Level
...tive and repeated instructions performed on different sets of arguments, making it a good candidate for outlining.
Related Work:
The previous RFC (RFC: PT.2 Add IR level interprocedural outliner for code size. <http://lists.llvm.org/pipermail/llvm-dev/2017-September/117153.html>) and review (D53942: IR Outliner Pass <https://reviews.llvm.org/D53942>) discuss similar techniques for outlining identical instructions at the machine code level. This patch uses a more general concept of similarity and works at the IR Level instead. Both share the Suffix Tree data structure (see Interprocedur...