1 files changed, 40 insertions, 0 deletions
diff --git a/offload/test/mapping/is_accessible.cpp b/offload/test/mapping/is_accessible.cpp
new file mode 100644
index 0000000..7fb2389
--- /dev/null
+++ b/offload/test/mapping/is_accessible.cpp
@@ -0,0 +1,40 @@
+// RUN: %libomptarget-compilexx-generic
+// RUN: env HSA_XNACK=1 %libomptarget-run-generic 2>&1 \
+// RUN: | %fcheck-generic
+
+// RUN: %libomptarget-compilexx-generic
+// RUN: env HSA_XNACK=0 %libomptarget-run-generic 2>&1 \
+// RUN: | %fcheck-generic -check-prefix=NO_USM
+
+// REQUIRES: unified_shared_memory
+// XFAIL: nvptx
+
+// CHECK: SUCCESS
+// NO_USM: Not accessible
+
+#include <assert.h>
+#include <iostream>
+#include <omp.h>
+#include <stdio.h>
+
+int main() {
+  int n = 10000;
+  int *a = new int[n];
+  int err = 0;
+
+  // program must be executed with HSA_XNACK=1
+  if (!omp_target_is_accessible(a, n * sizeof(int), /*device_num=*/0))
+    printf("Not accessible\n");
+  else {
+#pragma omp target teams distribute parallel for
+    for (int i = 0; i < n; i++)
+      a[i] = i;
+
+    for (int i = 0; i < n; i++)
+      if (a[i] != i)
+        err++;
+  }
+
+  printf("%s\n", err == 0 ? "SUCCESS" : "FAIL");
+  return err;
+}