[flang-commits] [flang] [Flang][OpenMP] Add OpenMP standards support doc (PR #132707)

[Kiran Chandramohan via flang-commits]

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@@ -0,0 +1,62 @@
+<!--===- docs/FortranStandardsSupport.md
+
+   Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+   See https://llvm.org/LICENSE.txt for license information.
+   SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+
+-->
+
+# Flang OpenMP Standards Support
+
+```{contents}
+---
+local:
+---
+```
+
+This document summarizes OpenMP standards support in Flang. The information is only provided as a guideline. The
+TODOs/Not Yet Implemented messages emitted by the compiler for unimplemented features should be treated as authoritative.
+Standards support is provided upto OpenMP 4.0 for now. It will be extended later for OpenMP 4.5, OpenMP 5.* and OpenMP 6.0.
+
+The standards support information is provided as a table with three columns that are self explanatory. The Status column uses
+the letters **P**, **Y**, **N** for the implementation status:
+- **P** : When the implementation is incomplete for a few cases
+- **Y** : When the implementation is complete
+- **N** : When the implementation is absent
+
+Note : No distinction is made between the support in the Parser/Semantics, MLIR or Lowering support, and OpenMPIRBuilder support.
+
+## OpenMP 4.0
+
+| Feature                                                    | Status | Comments                                                |
+|------------------------------------------------------------|--------|---------------------------------------------------------|
+| proc_bind clause                                           | Y      | |
----------------
kiranchandramohan wrote:

Are you suggesting, adding the depend clause entry here? There is one on line 46. The order specified here corresponds to the order in the OpenMP standard Version 3.1 to 4.0 Differences.

https://github.com/llvm/llvm-project/pull/132707