summaryrefslogtreecommitdiff
path: root/gcc/testsuite/gcc.dg/vect/no-scevccp-vect-iv-1.c
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/testsuite/gcc.dg/vect/no-scevccp-vect-iv-1.c')
-rw-r--r--gcc/testsuite/gcc.dg/vect/no-scevccp-vect-iv-1.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/vect/no-scevccp-vect-iv-1.c b/gcc/testsuite/gcc.dg/vect/no-scevccp-vect-iv-1.c
new file mode 100644
index 000000000..9793a129e
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/vect/no-scevccp-vect-iv-1.c
@@ -0,0 +1,34 @@
+/* { dg-require-effective-target vect_int } */
+
+#include <stdarg.h>
+#include "tree-vect.h"
+
+#define N 26
+
+__attribute__ ((noinline)) int main1 (int X)
+{
+ int s = X;
+ int i;
+
+ /* vectorization of reduction with induction.
+ Need -fno-tree-scev-cprop or else the loop is eliminated. */
+ for (i = 0; i < N; i++)
+ s += i;
+
+ return s;
+}
+
+int main (void)
+{
+ int s;
+ check_vect ();
+
+ s = main1 (3);
+ if (s != 328)
+ abort ();
+
+ return 0;
+}
+
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
+/* { dg-final { cleanup-tree-dump "vect" } } */