[all-commits] [llvm/llvm-project] 959caa: [flang] Add conditional rebox when passing fir.box...

[Valentin Clement (バレンタイン クレメン) via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 959caaaa7b2954ccc16f60b05d998e336bf36b38
      https://github.com/llvm/llvm-project/commit/959caaaa7b2954ccc16f60b05d998e336bf36b38
  Author: Valentin Clement <clementval at gmail.com>
  Date:   2023-01-23 (Mon, 23 Jan 2023)

  Changed paths:
    M flang/lib/Lower/ConvertExpr.cpp
    M flang/lib/Optimizer/CodeGen/CodeGen.cpp
    M flang/test/Lower/polymorphic.f90

  Log Message:
  -----------
  [flang] Add conditional rebox when passing fir.box to optional fir.class

When a `!fir.box<>` is passed as an actual argument to an optional
`!fir.class<>` dummy it needs a `fir.rebox` in order to propagate
the dynamic type information.
The `fir.rebox` needs to happen only on present argument.

Reviewed By: jeanPerier

Differential Revision: https://reviews.llvm.org/D142340