[PATCH] D103612: [flang][driver] Add `-fno-unparse-typed-exprs`

[Andrzej Warzynski via Phabricator via cfe-commits]

awarzynski created this revision.
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This patch adds new option for the new Flang driver:
`-fno-unparse-typed-exprs`. The semantics are similar to
`-funparse-typed-exprs-to-f18-fc` from `f18`. For consistency, the
latter is replaced with `-fno-unparse-typed-exprs`.

The new option controls the behaviour of the unparser (i.e. the action
corresponding to `-fdebug-unparse`). The default behaviour is to always
unparse typed expressions. The new flag can be used to turn this off.

Note that the semantics in `f18` had to be updated so that the behaviour
is consistent across all calls to `Unparse`.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D103612

Files:
  clang/include/clang/Driver/Options.td
  flang/include/flang/Frontend/CompilerInvocation.h
  flang/lib/Frontend/CompilerInvocation.cpp
  flang/lib/Frontend/FrontendActions.cpp
  flang/lib/Frontend/FrontendOptions.cpp
  flang/test/Driver/unparse-typed-exprs.f95
  flang/tools/f18/f18.cpp
  flang/tools/f18/flang

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