[PATCH] D27114: Preserve nonnull metadata on Loads through SROA & mem2reg.

[Luqman Aden via Phabricator via llvm-commits]

luqmana updated this revision to Diff 82032.
luqmana added a comment.

Address comments from review.

- Preserve nonnull metadata on Loads through SROA & mem2reg.
- Pass PostDominatorTree to PromoteMemoryToRegister.
- Assert Post-Dominance of Load from alloca before propogating metadata.


https://reviews.llvm.org/D27114

Files:
  include/llvm/Transforms/Scalar/SROA.h
  include/llvm/Transforms/Utils/PromoteMemToReg.h
  lib/Transforms/Scalar/RewriteStatepointsForGC.cpp
  lib/Transforms/Scalar/SROA.cpp
  lib/Transforms/Utils/Mem2Reg.cpp
  lib/Transforms/Utils/PromoteMemoryToRegister.cpp
  test/Transforms/SROA/preserve-nonnull.ll

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