Imported gcc-4.4.3

[msp430-gcc.git] / libgomp / testsuite / libgomp.c / pr30494.c

diff --git a/libgomp/testsuite/libgomp.c/pr30494.c b/libgomp/testsuite/libgomp.c/pr30494.c
new file mode 100644 (file)
index 0000000..ec6828e
--- /dev/null
+++ b/libgomp/testsuite/libgomp.c/pr30494.c
@@ -0,0 +1,64 @@
+/* PR middle-end/30494 */
+/* { dg-do run } */
+
+#include <omp.h>
+
+int errors;
+
+int
+check (int m, int i, int *v, int *w)
+{
+  int j;
+  int n = omp_get_thread_num ();
+  for (j = 0; j < m; j++)
+    if (v[j] != j + n)
+      #pragma omp atomic
+       errors += 1;
+  for (j = 0; j < m * 3 + i; j++)
+    if (w[j] != j + 10 + n)
+      #pragma omp atomic
+       errors += 1;
+}
+
+int
+foo (int n, int m)
+{
+  int i;
+#pragma omp for
+  for (i = 0; i < 6; i++)
+    {
+      int v[n], w[n * 3 + i], j;
+      for (j = 0; j < n; j++)
+       v[j] = j + omp_get_thread_num ();
+      for (j = 0; j < n * 3 + i; j++)
+       w[j] = j + 10 + omp_get_thread_num ();
+      check (m, i, v, w);
+    }
+  return 0;
+}
+
+int
+bar (int n, int m)
+{
+  int i;
+#pragma omp parallel for num_threads (4)
+  for (i = 0; i < 6; i++)
+    {
+      int v[n], w[n * 3 + i], j;
+      for (j = 0; j < n; j++)
+       v[j] = j + omp_get_thread_num ();
+      for (j = 0; j < n * 3 + i; j++)
+       w[j] = j + 10 + omp_get_thread_num ();
+      check (m, i, v, w);
+    }
+  return 0;
+}
+
+int
+main (void)
+{
+#pragma omp parallel num_threads (3)
+  foo (128, 128);
+  bar (256, 256);
+  return 0;
+}