Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/openmp/runtime/test/barrier/omp_barrier.c

@@ -0,0 +1,44 @@
+// RUN: %libomp-compile-and-run
+#include <stdio.h>
+#include "omp_testsuite.h"
+#include "omp_my_sleep.h"
+
+int test_omp_barrier()
+{
+  int result1;
+  int result2;
+  result1 = 0;
+  result2 = 0;
+
+  #pragma omp parallel
+  {
+    int rank;
+    rank = omp_get_thread_num ();
+    if (rank ==1) {
+      my_sleep(((double)SLEEPTIME)/REPETITIONS); // give 1 sec to whole test
+      result2 = 3;
+    }
+    #pragma omp barrier
+    if (rank == 2) {
+      result1 = result2;
+    }
+  }
+  return (result1 == 3);
+}
+
+int main()
+{
+  int i;
+  int num_failed=0;
+
+#ifdef _OPENMP
+  omp_set_dynamic(0); // prevent runtime to change number of threads
+  omp_set_num_threads(4); // the test expects at least 3 threads
+  for(i = 0; i < REPETITIONS; i++) {
+    if(!test_omp_barrier()) {
+      num_failed++;
+    }
+  }
+#endif
+  return num_failed;
+}