[flang][acc][NFC] Add deviation to the spec that declaring the same variable is permitted #148288
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@llvm/pr-subscribers-openacc Author: Susan Tan (ス-ザン タン) (SusanTan) ChangesOpenACC spec says Full diff: https://github.com/llvm/llvm-project/pull/148288.diff 1 Files Affected:
diff --git a/flang/docs/OpenACC.md b/flang/docs/OpenACC.md
index 87f30ccd953b6..cbb2a91f0963b 100644
--- a/flang/docs/OpenACC.md
+++ b/flang/docs/OpenACC.md
@@ -27,6 +27,9 @@ local:
* `!$acc cache` directive accepts scalar variable.
* The `!$acc declare` directive accepts assumed size array arguments for
`deviceptr` and `present` clauses.
+* The OpenACC specification disallows a variable appearing multiple times in
+ clauses of `!$acc declare` directives for a function, subroutine, program,
+ or module, but we allow it with a warning.
## Remarks about incompatibilities with other implementations
* Array element references in the data clauses are equivalent to array sections
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SusanTan
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flang/docs/OpenACC.md
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| @@ -27,6 +27,9 @@ local: | |||
| * `!$acc cache` directive accepts scalar variable. | |||
| * The `!$acc declare` directive accepts assumed size array arguments for | |||
| `deviceptr` and `present` clauses. | |||
| * The OpenACC specification disallows a variable appearing multiple times in | |||
| clauses of `!$acc declare` directives for a function, subroutine, program, | |||
| or module, but we allow it with a warning. | |||
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can we change
"but we allow it with a warning" to "but it is allowed with a warning when same clause is used"
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OpenACC spec says
A var may appear at most once in all the clauses of declare directives for a function, subroutine, program, or module.but our implementation allows it with a warning generated. Add this to the diviation list for record.