Enable MemorySSA-based MemCpyOpt

This updates the LLVM submodule to pick up a backported patch
to enable MemorySSA-based MemCpyOpt, which is capable of optimizing
away memcpy's across basic blocks.
This commit is contained in:
Nikita Popov
2021-03-08 16:22:36 +01:00
parent 1d6b0f626a
commit 623ca84ab7