[PATCH] D57206: [ThinLTO] Add option to dump per-module summary dot graph

[Teresa Johnson via Phabricator via llvm-commits]

tejohnson created this revision.
tejohnson added a reviewer: evgeny777.
Herald added subscribers: dexonsmith, steven_wu, eraman, inglorion, mehdi_amini.

I found that there currently isn't a way to invoke exportToDot from
the command line for a per-module summary index, and therefore no
testing of that case. Add an internal option and use it to test dumping
of per module summary indexes.

In particular, I am looking at fixing the limitation that causes the
aliasee GUID in the per-module summary to be 0, and want to be able to
test that change.


Repository:
  rL LLVM

https://reviews.llvm.org/D57206

Files:
  lib/Analysis/ModuleSummaryAnalysis.cpp
  test/ThinLTO/X86/dot-dumper.ll

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