tree a6bdd5d64da9fc84ed314d5a3d2308bcac0fe321
parent e33c67e37df48f77f6d643f7160dfcd3bad4fa9a
author Cheng Wang <chennngwang@gmail.com> 1606309968 +0800
committer Copybara-Service <copybara-worker@google.com> 1611100258 -0800

[libc] Add memmove implementation.

Use `memcpy` rather than copying bytes one by one, for there might be large
size structs to move.

Reviewed By: gchatelet, sivachandra

Differential Revision: https://reviews.llvm.org/D93195

GitOrigin-RevId: 2423ec583761304f93b5d01493a26aeb11cb5b8f