[PATCH] D51379: [GlobalMerge] Fix GlobalMerge on bss external global variables.

[Huihui Zhang via Phabricator via llvm-commits]

huihuiz created this revision.
huihuiz added reviewers: efriedma, rengolin, t.p.northover.
Herald added a reviewer: javed.absar.

Global variables that are external and zero initialized are
supposed to be merged with global variables in the bss section
rather than the data section.


Repository:
  rL LLVM

https://reviews.llvm.org/D51379

Files:
  lib/CodeGen/GlobalMerge.cpp
  test/CodeGen/AArch64/global-merge-3.ll
  test/CodeGen/ARM/global-merge-external-2.ll

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