[all-commits] [llvm/llvm-project] 2b5600: [Flang][OpenMP] Refactor loop-related lowering for...

[Sergio Afonso via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 2b56005fd91de3adba1957e70575d5461329178b
      https://github.com/llvm/llvm-project/commit/2b56005fd91de3adba1957e70575d5461329178b
  Author: Sergio Afonso <safonsof at amd.com>
  Date:   2024-07-09 (Tue, 09 Jul 2024)

  Changed paths:
    M flang/lib/Lower/OpenMP/OpenMP.cpp
    M flang/test/Lower/OpenMP/parallel-reduction3.f90
    M flang/test/Lower/OpenMP/simd.f90
    M flang/test/Lower/OpenMP/wsloop-chunks.f90
    M flang/test/Lower/OpenMP/wsloop-reduction-array-assumed-shape.f90
    M flang/test/Lower/OpenMP/wsloop-reduction-array.f90
    M flang/test/Lower/OpenMP/wsloop-reduction-array2.f90
    M flang/test/Lower/OpenMP/wsloop-reduction-multiple-clauses.f90

  Log Message:
  -----------
  [Flang][OpenMP] Refactor loop-related lowering for composite support (#97566)

This patch splits the lowering for `omp.loop_nest` into its own function
and updates lowering for all supported loop wrappers to stop creating
this operation themselves.

Lowering functions for loop constructs are split into "wrapper" and
"standalone" variants, where the "wrapper" version only creates the
specific operation with nothing inside of it and the "standalone"
version calls the former and also handles clause processing and creates
the nested `omp.loop_nest`.

"Wrapper" lowering functions can be used by "composite" lowering
functions in follow-up patches, minimizing code duplication.

Tests broken as a result of reordering between the processing of the
loop wrapper's and the nested `omp.loop_nest`'s clauses are also
updated.



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