1 files changed, 65 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/vect/vect-30.c b/gcc/testsuite/gcc.dg/vect/vect-30.c
new file mode 100644
index 000000000..408cbca4e
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/vect/vect-30.c
@@ -0,0 +1,65 @@
+/* { dg-require-effective-target vect_float } */
+
+#include <stdarg.h>
+#include "tree-vect.h"
+
+#define N 16
+
+float b[N] = {0,2,4,6,8,10,12,14,16,18,20,22,24,26,28,30};
+float a[N];
+float c[N];
+
+__attribute__ ((noinline))
+int main1 (int n)
+{
+  int i=0;
+
+  /* Vectorized: unknown loop bound.  */
+  while (n--) {
+    a[i] = b[i];
+    i++;
+  }
+
+  /* check results:  */
+  for (i = 0; i < n; i++)
+    {
+      if (a[i] != b[i])
+        abort ();
+    }
+
+  return 0;
+}
+
+__attribute__ ((noinline))
+int main2 (unsigned int n)
+{
+  int i=0;
+  int nn = n;
+
+  /* Vectorized: unknown loop bound.  */
+  while (n--) {
+    c[i] = b[i];
+    i++;
+  }
+
+  /* check results:  */
+  for (i = 0; i < nn; i++)
+    {
+      if (c[i] != b[i])
+        abort ();
+    }
+
+  return 0;
+}
+
+int main (void)
+{ 
+  check_vect ();
+  
+  main1 (N);
+  main2 (N);
+  return 0;
+}
+
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 2 "vect" } } */
+/* { dg-final { cleanup-tree-dump "vect" } } */