[all-commits] [llvm/llvm-project] 5bfc44: [flang] Emit `argNo` debug info only for `func` bl...

[Kareem Ergawy via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 5bfc444524d74b714b9efb2dc00c7bc36a3838e2
      https://github.com/llvm/llvm-project/commit/5bfc444524d74b714b9efb2dc00c7bc36a3838e2
  Author: Kareem Ergawy <kareem.ergawy at amd.com>
  Date:   2024-06-03 (Mon, 03 Jun 2024)

  Changed paths:
    M flang/include/flang/Optimizer/Dialect/FIROpsSupport.h
    M flang/lib/Optimizer/Analysis/AliasAnalysis.cpp
    M flang/lib/Optimizer/Dialect/FIROps.cpp
    M flang/lib/Optimizer/Transforms/AddDebugInfo.cpp
    A flang/test/Lower/OpenMP/debug_info_conflict.f90

  Log Message:
  -----------
  [flang] Emit `argNo` debug info only for `func` block args (#93921)

Fixes a bug uncovered by
[pr43337.f90](https://github.com/llvm/llvm-test-suite/blob/main/Fortran/gfortran/regression/gomp/pr43337.f90)
in the test suite.

In particular, this emits `argNo` debug info only if the parent op of a
block is a `func.func` op. This avoids DI conflicts when a function
contains a nested OpenMP region that itself has block arguments with DI
attached to them; for example, `omp.parallel` with delayed privatization
enabled.



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