[all-commits] [llvm/llvm-project] f2923e: [MLIR][OpenMP] Introduce the LoopWrapperInterface ...

[Sergio Afonso via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: f2923e31b64907df44ae641114228ad6e283627f
      https://github.com/llvm/llvm-project/commit/f2923e31b64907df44ae641114228ad6e283627f
  Author: Sergio Afonso <safonsof at amd.com>
  Date:   2024-04-15 (Mon, 15 Apr 2024)

  Changed paths:
    M mlir/include/mlir/Dialect/OpenMP/OpenMPInterfaces.h
    M mlir/include/mlir/Dialect/OpenMP/OpenMPOps.td
    M mlir/include/mlir/Dialect/OpenMP/OpenMPOpsInterfaces.td
    M mlir/lib/Dialect/OpenMP/IR/OpenMPDialect.cpp
    M mlir/test/Dialect/OpenMP/invalid.mlir

  Log Message:
  -----------
  [MLIR][OpenMP] Introduce the LoopWrapperInterface (#87232)

This patch defines a common interface to be shared by all OpenMP loop
wrapper operations. The main restrictions these operations must meet in
order to be considered a wrapper are:

- They contain a single region.
- Their region contains a single block.
- Their block only contains another loop wrapper or `omp.loop_nest` and
a terminator.

The new interface is attached to the `omp.parallel`, `omp.wsloop`,
`omp.simdloop`, `omp.distribute` and `omp.taskloop` operations. It is
not currently enforced that these operations meet the wrapper
restrictions, which would break existing OpenMP loop-generating code.
Rather, this will be introduced progressively in subsequent patches.



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