[PATCH] D53342: [SimplifyLibCalls] Mark known arguments with nonnull

[Dávid Bolvanský via Phabricator via llvm-commits]

xbolva00 added a subscriber: aaron.ballman.
xbolva00 added a comment.

Maybe @aaron.ballman could help us

- whether Jakub Jelinek is right
- whether memcpy/memmove/memset with NULL dst/src pointers is UB


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  https://reviews.llvm.org/D53342/new/

https://reviews.llvm.org/D53342