Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/openmp/runtime/test/flush/omp_flush.c

@@ -0,0 +1,45 @@
+// RUN: %libomp-compile-and-run
+#include <stdio.h>
+#include "omp_testsuite.h"
+#include "omp_my_sleep.h"
+
+int test_omp_flush()
+{
+  int result1;
+  int result2;
+  int dummy;
+
+  result1 = 0;
+  result2 = 0;
+
+  #pragma omp parallel
+  {
+    int rank;
+    rank = omp_get_thread_num ();
+    #pragma omp barrier
+    if (rank == 1) {
+      result2 = 3;
+      #pragma omp flush (result2)
+      dummy = result2;
+    }
+    if (rank == 0) {
+      my_sleep(SLEEPTIME);
+      #pragma omp flush (result2)
+      result1 = result2;
+    }
+  }  /* end of parallel */
+  return ((result1 == result2) && (result2 == dummy) && (result2 == 3));
+}
+
+int main()
+{
+  int i;
+  int num_failed=0;
+
+  for (i = 0; i < REPETITIONS; i++) {
+    if(!test_omp_flush()) {
+      num_failed++;
+    }
+  }
+  return num_failed;
+}