[all-commits] [llvm/llvm-project] 8f16af: [Flang][OpenMP] Fix mapping of character type with...

[agozillon via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 8f16af3c204e4f4646cb156ddcb1d658b378a114
      https://github.com/llvm/llvm-project/commit/8f16af3c204e4f4646cb156ddcb1d658b378a114
  Author: agozillon <Andrew.Gozillon at amd.com>
  Date:   2025-09-09 (Tue, 09 Sep 2025)

  Changed paths:
    M flang/lib/Optimizer/CodeGen/CodeGenOpenMP.cpp
    A flang/test/Fir/OpenMP/bounds-generation-for-char-arrays.f90
    A offload/test/offloading/fortran/dtype-char-array-map-2.f90
    A offload/test/offloading/fortran/dtype-char-array-map.f90

  Log Message:
  -----------
  [Flang][OpenMP] Fix mapping of character type with LEN > 1 specified (#154172)

Currently, there's a number of issues with mapping characters with LEN's
specified (strings effectively). They're represented as a char type in
FIR with a len parameter, and then later on they're expanded into an
array of characters when we're translating to the LLVM dialect. However,
we don't generate a bounds for these at lowering. The fix in this PR for
this is to generate a bounds from the LEN parameter and attatch it to
the map on lowering from FIR to the LLVM dialect when we encounter this
type.



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