[PATCH] D86815: [LangRef] Remove non-overlapping guarantee from memcpy.

[Juneyoung Lee via Phabricator via llvm-commits]

aqjune added a comment.

Would we need a change in MemCpyOptimizer too?
I see that the optimization is assuming memcpys don't allow partial overlapping (https://godbolt.org/z/h8jvo5 ).


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https://reviews.llvm.org/D86815