Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/openmp/runtime/test/api/omp_in_parallel.c

@@ -0,0 +1,39 @@
+// RUN: %libomp-compile-and-run
+#include <stdio.h>
+#include "omp_testsuite.h"
+
+/*
+ * Checks that false is returned when called from serial region
+ * and true is returned when called within parallel region.
+ */
+int test_omp_in_parallel()
+{
+  int serial;
+  int isparallel;
+
+  serial = 1;
+  isparallel = 0;
+  serial = omp_in_parallel();
+
+  #pragma omp parallel
+  {
+    #pragma omp single
+    {
+      isparallel = omp_in_parallel();
+    }
+  }
+  return (!(serial) && isparallel);
+}
+
+int main()
+{
+  int i;
+  int num_failed=0;
+
+  for(i = 0; i < REPETITIONS; i++) {
+    if(!test_omp_in_parallel()) {
+      num_failed++;
+    }
+  }
+  return num_failed;
+}