[all-commits] [llvm/llvm-project] de7a50: [flang] Fix lowering of host associated cray point...

[jeanPerier via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: de7a50fb88faa1dafee33f10149561936214062b
      https://github.com/llvm/llvm-project/commit/de7a50fb88faa1dafee33f10149561936214062b
  Author: jeanPerier <jperier at nvidia.com>
  Date:   2024-03-22 (Fri, 22 Mar 2024)

  Changed paths:
    M flang/include/flang/Lower/ConvertVariable.h
    M flang/include/flang/Semantics/tools.h
    M flang/lib/Lower/Bridge.cpp
    M flang/lib/Lower/ConvertExpr.cpp
    M flang/lib/Lower/ConvertExprToHLFIR.cpp
    M flang/lib/Lower/ConvertVariable.cpp
    M flang/lib/Lower/HostAssociations.cpp
    M flang/lib/Lower/PFTBuilder.cpp
    M flang/lib/Semantics/tools.cpp
    M flang/test/Lower/HLFIR/cray-pointers.f90
    M flang/test/Lower/cray-pointer.f90

  Log Message:
  -----------
  [flang] Fix lowering of host associated cray pointee symbols (#86121)

Cray pointee symbols can be host associated from a module or host
procedure while the related cray pointer is not explicitly associated.
This caused the "not yet implemented: lowering symbol to HLFIR" to fire
when lowering a reference to the cray pointee and fetching the cray
pointer.

This patch:
- Ensures cray pointers are always instantiated when instantiating a
cray pointee.
- Fix internal procedure lowering to deal with cray pointee host
association like it does for pointers (the lowering strategy for cray
pointee is to create a pointer that is updated with the cray pointer
value before being fetched).

This should fix the bug reported in
https://github.com/llvm/llvm-project/issues/85420.



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