[Clang][OpenMP][Doc] Update OpenMPSupport.rst

[CatherineMoore]

This patch adds a section for OpenMP 6.0 features.

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[llvmbot]

@llvm/pr-subscribers-clang

Author: None (CatherineMoore)

Changes

This patch adds a section for OpenMP 6.0 features.

---

Patch is 21.11 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/122174.diff

1 Files Affected:

• (modified) clang/docs/OpenMPSupport.rst (+118)

diff --git a/clang/docs/OpenMPSupport.rst b/clang/docs/OpenMPSupport.rst
index 481362dba3f51d..f6a408faabf62d 100644
--- a/clang/docs/OpenMPSupport.rst
+++ b/clang/docs/OpenMPSupport.rst
@@ -343,6 +343,124 @@ implementation.
 | task                         | nowait clause on taskwait                                    | :part:`partial`          | parsing/sema done: D131830, D141531                                   |
 +------------------------------+--------------------------------------------------------------+--------------------------+-----------------------------------------------------------------------+
 
+
+.. _OpenMP 6.0 implementation details:
+
+OpenMP 6.0 Implementation Details
+=================================
+
+The following table provides a quick overview over various OpenMP 5.0 features
+and their implementation status. Please post on the
+`Discourse forums (Runtimes - OpenMP category)`_ for more
+information or if you want to help with the
+implementation.
+
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+|Feature                                                      | C/C++ Status              |  Fortran Status           | Reviews                                                                  |
++=============================================================+===========================+===========================+==========================================================================+
+| free-agent threads                                          | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Recording of task graphs                                    | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Parallel inductions                                         | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| init_complete for scan directive                            | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Loop transformation constructs                              | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| work distribute construct                                   | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| task_iteration                                              | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| memscope clause for atomic and flush                        | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| transparent clause (hull tasks)                             | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| rule-based compound directives                              | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| C23, C++23                                                  | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Fortran 2023                                                | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| decl attribute for declarative directives                   | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| C attribute syntax                                          | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| pure directives in DO CONCURRENT                            | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Optional argument for all clauses                           | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Function references for locator list items                  | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| All clauses accept directive name modifier                  | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Extensions to depobj construct                              | :none:`unclaimed          | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Extensions to atomic construct                              | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Private reductions                                          | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Self maps                                                   | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Release map type for declare mapper                         | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Extensions to interop construct                             | :none:`unclaimed          | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| no_openmp_constructs                                        | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| safe_sync and progress with identifier and API              | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| OpenMP directives in concurrent loop regions                | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| atomics constructs on concurrent loop regions               | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Loop construct with DO CONCURRENT                           | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| device_type clause for target construct                     | :none:`unclaimed          | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| nowait for ancestor target directives                       | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| New API for devices' num_teams/thread_limit                 | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Host and device environment variables                       | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| num_threads ICV and clause accepts list                     | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Numeric names for environment variables                     | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Increment between places for OMP_PLACES                     | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| OMP_AVAILABLE_DEVICES envirable                             | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Traits for default device envirable                         | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Optionally omit array length expression                      | :none:`unclaimed`        | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Canonical loop sequences                                    | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Clarifications to Fortran map semantics                     | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| default clause at target construct                          | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| ref count update use_device_{ptr, addr}                     | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Clarifications to implicit reductions                       | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| ref modifier for map clauses                                | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| map-type modifiers in arbitrary position                    | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| atomic constructs in loop region                            | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Lift nesting restriction on concurrent loop                 | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| priority clause for target constructs                       | :none:`unclaimed`   ...
[truncated]

[kparzysz]

Typo: 6.0

[jhuber6]

/home/runner/work/llvm-project/llvm-project/clang-build/tools/clang/docs/OpenMPSupport.rst:398:Inline interpreted text or phrase reference start-string without end-string.
ninja: build stopped: subcommand failed.

From the CI

[jhuber6]

Seems to be failing for some unrelated OpenACC test.

[github-actions]

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