[PATCH] D140795: [Flang] Add user option -funderscoring/-fnounderscoring to control trailing underscore added to external names

[Mark Danial via Phabricator via cfe-commits]

madanial updated this revision to Diff 496027.
madanial added a comment.

Rebase, as well as bug fix relating to the ExternalNameConversion pass option that was exposed by the requested fir-opt test case. The pass option was being overwritten by default value whenever it was called through fir-opt.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D140795/new/

https://reviews.llvm.org/D140795

Files:
  clang/include/clang/Driver/Options.td
  clang/lib/Driver/ToolChains/Flang.cpp
  flang/include/flang/Frontend/CodeGenOptions.def
  flang/include/flang/Optimizer/Transforms/Passes.h
  flang/include/flang/Optimizer/Transforms/Passes.td
  flang/include/flang/Tools/CLOptions.inc
  flang/lib/Frontend/CompilerInvocation.cpp
  flang/lib/Frontend/FrontendActions.cpp
  flang/lib/Optimizer/Transforms/ExternalNameConversion.cpp
  flang/test/Driver/driver-help-hidden.f90
  flang/test/Driver/driver-help.f90
  flang/test/Driver/underscoring.f90
  flang/test/Fir/external-mangling.fir

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