[all-commits] [llvm/llvm-project] 41d718: [flang][OpenMP] Upstream `do concurrent` loop-nest...

[Kareem Ergawy via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 41d718b1cf3db952a79c5598dba2e3379ee88efa
      https://github.com/llvm/llvm-project/commit/41d718b1cf3db952a79c5598dba2e3379ee88efa
  Author: Kareem Ergawy <kareem.ergawy at amd.com>
  Date:   2025-04-02 (Wed, 02 Apr 2025)

  Changed paths:
    M flang/docs/DoConcurrentConversionToOpenMP.md
    M flang/lib/Optimizer/OpenMP/DoConcurrentConversion.cpp
    A flang/test/Transforms/DoConcurrent/loop_nest_test.f90

  Log Message:
  -----------
  [flang][OpenMP] Upstream `do concurrent` loop-nest detection. (#127595)

Upstreams the next part of do concurrent to OpenMP mapping pass (from
AMD's ROCm implementation). See
https://github.com/llvm/llvm-project/pull/126026 for more context.

This PR add loop nest detection logic. This enables us to discover
muli-range do concurrent loops and then map them as "collapsed" loop
nests to OpenMP.

This is a follow up for
https://github.com/llvm/llvm-project/pull/126026, only the latest commit
is relevant.

This is a replacement for
https://github.com/llvm/llvm-project/pull/127478 using a
`/user/<username>/<branchname>` branch.

PR stack:
- https://github.com/llvm/llvm-project/pull/126026
- https://github.com/llvm/llvm-project/pull/127595 (this PR)
- https://github.com/llvm/llvm-project/pull/127633
- https://github.com/llvm/llvm-project/pull/127634
- https://github.com/llvm/llvm-project/pull/127635



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