llvmbot wrote:

<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang

Author: Krzysztof Parzyszek (kparzysz)

<details>
<summary>Changes</summary>

The PR139793 added handling of the Fortran-only "workshare" directive, however 
there are more such directives, e.g. "allocators". Use the 
genDirectiveLanguages function to detect non-C/C++ directives instead of 
enumerating them.

---
Full diff: https://github.com/llvm/llvm-project/pull/139961.diff


3 Files Affected:

- (modified) clang/lib/Parse/ParseOpenMP.cpp (+2-3) 
- (added) clang/test/OpenMP/openmp_non_c_directives.c (+12) 
- (removed) clang/test/OpenMP/openmp_workshare.c (-8) 


``````````diff
diff --git a/clang/lib/Parse/ParseOpenMP.cpp b/clang/lib/Parse/ParseOpenMP.cpp
index c409409602e75..a53fd6b2964cb 100644
--- a/clang/lib/Parse/ParseOpenMP.cpp
+++ b/clang/lib/Parse/ParseOpenMP.cpp
@@ -2613,9 +2613,8 @@ StmtResult 
Parser::ParseOpenMPDeclarativeOrExecutableDirective(
     Diag(Tok, diag::err_omp_unknown_directive);
     return StmtError();
   }
-  if (DKind == OMPD_workshare) {
-    // "workshare" is an executable, Fortran-only directive. Treat it
-    // as unknown.
+  if (!(getDirectiveLanguages(DKind) & SourceLanguage::C)) {
+    // Treat directives that are not allowed in C/C++ as unknown.
     DKind = OMPD_unknown;
   }
 
diff --git a/clang/test/OpenMP/openmp_non_c_directives.c 
b/clang/test/OpenMP/openmp_non_c_directives.c
new file mode 100644
index 0000000000000..844d7dad551bc
--- /dev/null
+++ b/clang/test/OpenMP/openmp_non_c_directives.c
@@ -0,0 +1,12 @@
+// RUN: %clang_cc1 -verify -fopenmp -ferror-limit 100 -o - %s
+
+// Test the reaction to some Fortran-only directives.
+
+void foo() {
+#pragma omp allocators // expected-error {{expected an OpenMP directive}}
+#pragma omp do // expected-error {{expected an OpenMP directive}}
+#pragma omp end workshare // expected-error {{expected an OpenMP directive}}
+#pragma omp parallel workshare // expected-warning {{extra tokens at the end 
of '#pragma omp parallel' are ignored}}
+#pragma omp workshare // expected-error {{expected an OpenMP directive}}
+}
+
diff --git a/clang/test/OpenMP/openmp_workshare.c 
b/clang/test/OpenMP/openmp_workshare.c
deleted file mode 100644
index 0302eb19f9ef4..0000000000000
--- a/clang/test/OpenMP/openmp_workshare.c
+++ /dev/null
@@ -1,8 +0,0 @@
-// RUN: %clang_cc1 -verify -fopenmp -ferror-limit 100 -o - %s
-
-// Workshare is a Fortran-only directive.
-
-void foo() {
-#pragma omp workshare // expected-error {{expected an OpenMP directive}}
-}
-

``````````

</details>


https://github.com/llvm/llvm-project/pull/139961
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