[PATCH] D57030: [CommandLine] Don't print empty sentinel values from EnumValN lists in help text

[James Henderson via Phabricator via llvm-commits]

jhenderson updated this revision to Diff 185016.
jhenderson marked 2 inline comments as done.
jhenderson added a comment.

- Reword some unit-test comments.
- Pulled out some common logic into a small function.
- Renamed some variables to be more consistent with existing naming structure (this kind of switch is named in the following style: `--<arg>=<option>`).


Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D57030/new/

https://reviews.llvm.org/D57030

Files:
  lib/Support/CommandLine.cpp
  tools/llvm-symbolizer/llvm-symbolizer.cpp
  unittests/Support/CommandLineTest.cpp

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