[all-commits] [llvm/llvm-project] 3ffc2c: [OpenACC][flang] Emit NYI when unstructured loops ...

[Kareem Ergawy via All-commits]

  Branch: refs/heads/users/ergawy/nyi-unstructured-loop
  Home:   https://github.com/llvm/llvm-project
  Commit: 3ffc2cc29e676c7f9f80000a64fc11f643cf6086
      https://github.com/llvm/llvm-project/commit/3ffc2cc29e676c7f9f80000a64fc11f643cf6086
  Author: ergawy <kareem.ergawy at gmail.com>
  Date:   2026-06-10 (Wed, 10 Jun 2026)

  Changed paths:
    M flang/lib/Lower/OpenACC.cpp
    M flang/test/Lower/OpenACC/Todo/acc-goto-multi-level-exit.f90
    A flang/test/Lower/OpenACC/Todo/acc-unstructured-combined-construct.f90
    M flang/test/Lower/OpenACC/acc-cache.f90
    M flang/test/Lower/OpenACC/acc-loop-exit.f90
    M flang/test/Lower/OpenACC/acc-unstructured.f90

  Log Message:
  -----------
  [OpenACC][flang] Emit NYI when unstructured loops are associated with OpenACC directives

When an unstructured loop is associated with a loop or a combined
directive, we emit an unstructured CFG for the loop's logic nested
within the OpenACC op. This effectively serializes the nested loop on
the device which is not desirable. For now, emit NYI's while working on
a longer-term solution.



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