gcc/testsuite/gcc.dg/vect/vect-99.c

   1 /* { dg-require-effective-target vect_int } */
   2 /* { dg-additional-options "-fdump-tree-optimized-details-blocks" } */
   3
   4 #include "tree-vect.h"
   5
   6 int ca[100];
   7
   8 __attribute__ ((noinline))
   9 void foo (int n)
  10 {
  11   unsigned int i;
  12
  13   for (i = 0; i < n; i++)
  14     ca[i] = 2;
  15 }
  16
  17 int main (void)
  18 {
  19   int i;
  20
  21   check_vect ();
  22
  23   foo(100);
  24
  25 #pragma GCC novector
  26   for (i = 0; i < 100; ++i) {
  27     if (ca[i] != 2)
  28       abort();
  29   }
  30   return 0;
  31 }
  32
  33 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
  34 /* { dg-final { scan-tree-dump-not "Invalid sum" "optimized" } } */