[PATCH] D38374: [memcpyopt] Memcpy-memcpy dependence isn't detected across basic blocks

[Dan Gohman via Phabricator via llvm-commits]

sunfish added a comment.

Friendly ping :-). I confirmed that the MemorySSA-based patch does implement the optimization. In fact, it tries //not// to, however it doesn't try hard enough, and the optimization happens anyway. It passes all the tests here as-is.


Repository:
  rL LLVM

https://reviews.llvm.org/D38374