[all-commits] [llvm/llvm-project] e1fed2: [flang][OpenMP] Fix fir.convert in omp.atomic.upda...

[NimishMishra via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e1fed24034fee3f45bc17252ced5ee29ab6b5408
      https://github.com/llvm/llvm-project/commit/e1fed24034fee3f45bc17252ced5ee29ab6b5408
  Author: NimishMishra <42909663+NimishMishra at users.noreply.github.com>
  Date:   2025-05-06 (Tue, 06 May 2025)

  Changed paths:
    M flang/lib/Lower/OpenMP/OpenMP.cpp
    M flang/test/Lower/OpenMP/atomic-update.f90

  Log Message:
  -----------
  [flang][OpenMP] Fix fir.convert in omp.atomic.update region (#138397)

Region generation in omp.atomic.update currently emits a direct
`fir.convert`. This crashes when the RHS expression involves complex
type but the LHS variable is primitive type (say `f32`), since a
`fir.convert` from `complex<f32>` to `f32` is emitted, which is illegal.
This PR adds a conditional check to emit an additional `ExtractValueOp`
in case RHS expression has a complex type.

Fixes https://github.com/llvm/llvm-project/issues/138396



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