[PATCH] D107605: [MemCpyOpt] Teach memcpyopt to handle loads from the constant memory.

[Michael Liao via Phabricator via llvm-commits]

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- Loads from the constant memory (either explicit one or as the source of memory transfer intrinsics) won't alias any stores.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D107605

Files:
  llvm/lib/Transforms/Scalar/MemCpyOptimizer.cpp
  llvm/test/Transforms/MemCpyOpt/load-store-to-memcpy.ll
  llvm/test/Transforms/MemCpyOpt/memcpy.ll
  llvm/test/Transforms/MemCpyOpt/memmove.ll
  llvm/test/Transforms/MemCpyOpt/memset-memcpy-redundant-memset.ll

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