[all-commits] [llvm/llvm-project] cdf59b: [Flang][OpenMP] Add lowering and translation for t...

[Ritanya-B-Bharadwaj via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: cdf59b384a48610a6450011279005b1e34f8572d
      https://github.com/llvm/llvm-project/commit/cdf59b384a48610a6450011279005b1e34f8572d
  Author: Ritanya-B-Bharadwaj <ritanya.b.bharadwaj at gmail.com>
  Date:   2026-09-10 (Thu, 10 Sep 2026)

  Changed paths:
    M flang/docs/OpenMPSupport.md
    M flang/lib/Lower/OpenMP/ClauseProcessor.cpp
    M flang/lib/Lower/OpenMP/ClauseProcessor.h
    M flang/lib/Lower/OpenMP/OpenMP.cpp
    R flang/test/Lower/OpenMP/Todo/threadset.f90
    A flang/test/Lower/OpenMP/threadset.f90
    A flang/test/Semantics/OpenMP/threadset-clause-v60.f90
    M flang/test/Semantics/OpenMP/threadset-clause.f90
    M llvm/include/llvm/Frontend/OpenMP/OMPIRBuilder.h
    M llvm/lib/Frontend/OpenMP/OMPIRBuilder.cpp
    M mlir/include/mlir/Dialect/OpenMP/OpenMPClauses.td
    M mlir/include/mlir/Dialect/OpenMP/OpenMPEnums.td
    M mlir/include/mlir/Dialect/OpenMP/OpenMPOps.td
    M mlir/lib/Dialect/OpenMP/IR/OpenMPDialect.cpp
    M mlir/lib/Target/LLVMIR/Dialect/OpenMP/OpenMPToLLVMIRTranslation.cpp
    M mlir/test/Dialect/OpenMP/ops.mlir
    A mlir/test/Target/LLVMIR/openmp-task-threadset.mlir
    A mlir/test/Target/LLVMIR/openmp-taskloop-threadset.mlir

  Log Message:
  -----------
  [Flang][OpenMP] Add lowering and translation for the threadset clause (#215513)

Adds Flang lowering, and LLVM IR translation for the OpenMP 6.0 `threadset` clause (spec 14.8) on `task` and `taskloop`.

- Add a `ThreadsetPolicy` enum (`omp_pool`/`omp_team`) and clause on `omp.task` and `omp.taskloop.context`, lowered from Flang.
- Translate `threadset(omp_pool)` to the free-agent task flag (`0x80`); `omp_team` leaves it unset, matching clang.
- Add semantics, lowering, and translation tests.

Related: https://github.com/llvm/llvm-project/pull/135807,
https://github.com/llvm/llvm-project/pull/144409,
https://github.com/llvm/llvm-project/pull/169856



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