[PATCH] D42816: [ThinLTO] Remove dead and dropped symbol declarations when possible

[Teresa Johnson via Phabricator via llvm-commits]

tejohnson updated this revision to Diff 132912.
tejohnson added a comment.

Address comments


Repository:
  rL LLVM

https://reviews.llvm.org/D42816

Files:
  lib/LTO/LTOBackend.cpp
  test/ThinLTO/X86/deadstrip.ll
  test/Transforms/PGOProfile/thinlto_samplepgo_icp_droppeddead.ll
  test/tools/gold/X86/global_with_section.ll

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