[PATCH] D118436: [flang] Initial lowering for empty program

[Valentin Clement via Phabricator via llvm-commits]

clementval created this revision.
clementval added reviewers: kiranchandramohan, jeanPerier, schweitz, PeteSteinfeld, svedanayagam, pmccormick.
Herald added subscribers: mehdi_amini, mgorny.
Herald added a reviewer: sscalpone.
Herald added a reviewer: awarzynski.
Herald added a project: Flang.
clementval requested review of this revision.
Herald added subscribers: llvm-commits, jdoerfert.
Herald added a project: LLVM.

This patch enable lowering from Fortran to FIR for a basic empty
program. It brings all the infrastructure needed for that. As discussed
previously, this is the first patch for lowering and follow up patches
should be smaller.

With this patch we can lower the following code:

  program basic
  end program

To a the FIR equivalent:

  func @_QQmain() {
    return
  }

Follow up patch will add lowering of more complex constructs.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D118436

Files:
  flang/include/flang/Lower/AbstractConverter.h
  flang/include/flang/Lower/Bridge.h
  flang/include/flang/Lower/CallInterface.h
  flang/include/flang/Lower/PFTBuilder.h
  flang/include/flang/Lower/Support/Verifier.h
  flang/include/flang/Lower/SymbolMap.h
  flang/include/flang/Optimizer/Dialect/FIROpsSupport.h
  flang/include/flang/Optimizer/Support/Utils.h
  flang/lib/Lower/Bridge.cpp
  flang/lib/Lower/CMakeLists.txt
  flang/lib/Lower/CallInterface.cpp
  flang/lib/Lower/CharacterExpr.cpp
  flang/lib/Lower/Coarray.cpp
  flang/lib/Lower/OpenACC.cpp
  flang/lib/Lower/OpenMP.cpp
  flang/lib/Lower/SymbolMap.cpp
  flang/lib/Lower/SymbolMap.h
  flang/test/CMakeLists.txt
  flang/test/Lower/basic-program.f90
  flang/tools/CMakeLists.txt
  flang/tools/bbc/CMakeLists.txt
  flang/tools/bbc/bbc.cpp

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