[PATCH] D50679: [BasicAA] Don't assume tail calls with byval don't alias allocas

[Reid Kleckner via Phabricator via llvm-commits]

rnk updated this revision to Diff 160499.
rnk added a comment.

- add tests, make it ref only


https://reviews.llvm.org/D50679

Files:
  llvm/lib/Analysis/BasicAliasAnalysis.cpp
  llvm/test/Analysis/BasicAA/tail-byval.ll
  llvm/test/Transforms/DeadStoreElimination/tail-byval.ll
  llvm/test/Transforms/InstCombine/load.ll

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