1 files changed, 100 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/goacc/nested-function-1.c b/gcc/testsuite/gcc.dg/goacc/nested-function-1.c
new file mode 100644
index 00000000000..e17c0e2227f
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/goacc/nested-function-1.c
@@ -0,0 +1,100 @@
+/* Exercise nested function decomposition, gcc/tree-nested.c.  */
+/* See gcc/testsuite/gfortran.dg/goacc/nested-function-1.f90 for the Fortran
+   version.  */
+
+int main ()
+{
+#define N 100
+  int nonlocal_arg;
+  int nonlocal_a[N];
+  int nonlocal_i;
+  int nonlocal_j;
+
+  for (int i = 0; i < N; ++i)
+    nonlocal_a[i] = 5;
+  nonlocal_arg = 5;
+
+  void local ()
+  {
+    int local_i;
+    int local_arg;
+    int local_a[N];
+    int local_j;
+
+    for (int i = 0; i < N; ++i)
+      local_a[i] = 5;
+    local_arg = 5;
+
+#pragma acc kernels loop \
+  gang(num:local_arg) worker(local_arg) vector(local_arg) \
+  wait async(local_arg)
+    for (local_i = 0; local_i < N; ++local_i)
+      {
+#pragma acc cache (local_a[local_i:5])
+	local_a[local_i] = 100;
+#pragma acc loop seq tile(*)
+	for (local_j = 0; local_j < N; ++local_j)
+	  ;
+#pragma acc loop auto independent tile(1)
+	for (local_j = 0; local_j < N; ++local_j)
+	  ;
+      }
+
+#pragma acc kernels loop \
+  gang(static:local_arg) worker(local_arg) vector(local_arg) \
+  wait(local_arg, local_arg + 1, local_arg + 2) async
+    for (local_i = 0; local_i < N; ++local_i)
+      {
+#pragma acc cache (local_a[local_i:4])
+	local_a[local_i] = 100;
+#pragma acc loop seq tile(1)
+	for (local_j = 0; local_j < N; ++local_j)
+	  ;
+#pragma acc loop auto independent tile(*)
+	for (local_j = 0; local_j < N; ++local_j)
+	  ;
+      }
+  }
+
+  void nonlocal ()
+  {
+    for (int i = 0; i < N; ++i)
+      nonlocal_a[i] = 5;
+    nonlocal_arg = 5;
+
+#pragma acc kernels loop \
+  gang(num:nonlocal_arg) worker(nonlocal_arg) vector(nonlocal_arg) \
+  wait async(nonlocal_arg)
+    for (nonlocal_i = 0; nonlocal_i < N; ++nonlocal_i)
+      {
+#pragma acc cache (nonlocal_a[nonlocal_i:3])
+	nonlocal_a[nonlocal_i] = 100;
+#pragma acc loop seq tile(2)
+	for (nonlocal_j = 0; nonlocal_j < N; ++nonlocal_j)
+	  ;
+#pragma acc loop auto independent tile(3)
+	for (nonlocal_j = 0; nonlocal_j < N; ++nonlocal_j)
+	  ;
+      }
+
+#pragma acc kernels loop \
+  gang(static:nonlocal_arg) worker(nonlocal_arg) vector(nonlocal_arg) \
+  wait(nonlocal_arg, nonlocal_arg + 1, nonlocal_arg + 2) async
+    for (nonlocal_i = 0; nonlocal_i < N; ++nonlocal_i)
+      {
+#pragma acc cache (nonlocal_a[nonlocal_i:2])
+	nonlocal_a[nonlocal_i] = 100;
+#pragma acc loop seq tile(*)
+	for (nonlocal_j = 0; nonlocal_j < N; ++nonlocal_j)
+	  ;
+#pragma acc loop auto independent tile(*)
+	for (nonlocal_j = 0; nonlocal_j < N; ++nonlocal_j)
+	  ;
+      }
+  }
+
+  local ();
+  nonlocal ();
+
+  return 0;
+}