[PATCH] PR17623 -- GlobalsModRef alias error fix

[David Callahan]

Hi chandlerc,

PR17623 exposes a bug through LTO in GlobalsModRef where the notion of a global that indirectly owns memory is only true if it is not initialized to point to some other named memory. The revision filters candidate globals by this new condition.

REPOSITORY
  rL LLVM

http://reviews.llvm.org/D7451

Files:
  lib/Analysis/IPA/GlobalsModRef.cpp
  test/Analysis/GlobalsModRef/pr17623.ll

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