summaryrefslogtreecommitdiff
path: root/gcc/testsuite/gcc.dg/vect/no-scevccp-vect-iv-1.c
blob: 9793a129e72db783b825aa0fa327abe39584123e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
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" } } */