1 files changed, 28 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/vect/no-scevccp-vect-iv-3.c b/gcc/testsuite/gcc.dg/vect/no-scevccp-vect-iv-3.c
new file mode 100644
index 000000000..9bf3b4b76
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/vect/no-scevccp-vect-iv-3.c
@@ -0,0 +1,28 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target vect_int } */
+
+#include <stdarg.h>
+#include "tree-vect.h"
+
+#define N 26
+ 
+__attribute__ ((noinline))
+unsigned int main1 ()
+{  
+  unsigned short i;
+  unsigned int intsum = 0;
+
+  /* vectorization of reduction with induction, and widenning sum: 
+     sum shorts into int. 
+     Need -fno-tree-scev-cprop or else the loop is eliminated.  */
+  for (i = 0; i < N; i++)
+    {
+      intsum += i;
+    } 
+
+  return intsum;
+}
+
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_widen_sum_hi_to_si } } } */
+/* { dg-final { scan-tree-dump-times "vect_recog_widen_sum_pattern: detected" 1 "vect" { target vect_widen_sum_hi_to_si } } } */
+/* { dg-final { cleanup-tree-dump "vect" } } */