[all-commits] [llvm/llvm-project] 21e253: [flang][OpenMP] Support lowering of metadirective ...

[Chi-Chun, Chen via All-commits]

  Branch: refs/heads/users/cchen/flang-metadirective-static
  Home:   https://github.com/llvm/llvm-project
  Commit: 21e253c862b1eeb66a01e2a619fcdd63ff37e308
      https://github.com/llvm/llvm-project/commit/21e253c862b1eeb66a01e2a619fcdd63ff37e308
  Author: Chi Chun, Chen <chichun.chen at hpe.com>
  Date:   2026-04-27 (Mon, 27 Apr 2026)

  Changed paths:
    M flang/lib/Lower/OpenMP/OpenMP.cpp
    M flang/lib/Lower/OpenMP/Utils.cpp
    M flang/lib/Lower/OpenMP/Utils.h
    A flang/test/Lower/OpenMP/Todo/metadirective-dynamic.f90
    R flang/test/Lower/OpenMP/Todo/metadirective-exec.f90
    A flang/test/Lower/OpenMP/Todo/metadirective-loop.f90
    R flang/test/Lower/OpenMP/Todo/metadirective-spec.f90
    A flang/test/Lower/OpenMP/Todo/metadirective-target-device.f90
    A flang/test/Lower/OpenMP/metadirective-construct.f90
    A flang/test/Lower/OpenMP/metadirective-device-isa.f90
    A flang/test/Lower/OpenMP/metadirective-device-kind.f90
    A flang/test/Lower/OpenMP/metadirective-implementation.f90
    A flang/test/Lower/OpenMP/metadirective-user.f90

  Log Message:
  -----------
  [flang][OpenMP] Support lowering of metadirective (part 1)

This patch implements following feature in metadirective:
- implementation={vendor(...)}
- device={kind(...), isa(...), arch(...)}
- user={condition(<constant-expr>)}
- construct={parallel, target, teams}
- default, nothing, and otherwise clause

Dynamic user conditions, target_device, and loop-associated
variants are deferred to follow-up patches.

This patch is part of the feature work for #188820.

Assisted with copilot and GPT-5.4



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