[PATCH] D31924: SROA: Allow eliminating addrspacecasted allocas

[Matt Arsenault via Phabricator via llvm-commits]

arsenm updated this revision to Diff 96082.
arsenm added a comment.

Try to re-word langref again.

Re-add addrspacecast insertion. It can be necessary when the alloca isn't entirely eliminated.

Fix asserting when casting between different sized pointers


https://reviews.llvm.org/D31924

Files:
  docs/LangRef.rst
  include/llvm/Analysis/PtrUseVisitor.h
  lib/Analysis/PtrUseVisitor.cpp
  lib/Transforms/Scalar/SROA.cpp
  test/Transforms/SROA/basictest.ll

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