[PATCH] D46640: [GlobalMerge] Exit early if only one global is to be merged

[Haicheng Wu via Phabricator via llvm-commits]

haicheng updated this revision to Diff 146186.
haicheng marked an inline comment as done.
haicheng added a comment.

Add the requested comment.  Thank you for reviewing this.


Repository:
  rL LLVM

https://reviews.llvm.org/D46640

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

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