[PATCH] D146814: [Flang] Add debug flag to enable current debug information pass

[Sacha Ballantyne via Phabricator via cfe-commits]

SBallantyne created this revision.
SBallantyne added reviewers: MaskRay, awarzynski, DavidTruby, kiranchandramohan, tblah.
Herald added a reviewer: sscalpone.
Herald added a subscriber: sunshaoce.
Herald added projects: Flang, All.
SBallantyne requested review of this revision.
Herald added subscribers: cfe-commits, jdoerfert.
Herald added a project: clang.

While a pass exists to generate basic debug information, currently there is not a corresponding flag to enable it.
This patch adds support for activating this pass at any debug level >= -g1, as well as emiting a warning for higher levels that the functionality is not yet fully implemented.

This patch also adds -g and -gline-tables-only to appear when `flang-new` --help is run


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D146814

Files:
  clang/include/clang/Driver/Options.td
  clang/lib/Driver/ToolChains/Flang.cpp
  flang/include/flang/Frontend/CodeGenOptions.def
  flang/include/flang/Frontend/CodeGenOptions.h
  flang/include/flang/Tools/CLOptions.inc
  flang/lib/Frontend/CompilerInvocation.cpp
  flang/lib/Frontend/FrontendActions.cpp
  flang/test/Driver/driver-help-hidden.f90
  flang/test/Driver/driver-help.f90

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