gcc/testsuite/gcc.dg/vect/vect-124.c

   1 /* { dg-additional-options "-fdump-tree-optimized-details-blocks" } */
   2 #include "tree-vect.h"
   3
   4 #ifndef N
   5 #define N 64
   6 #endif
   7
   8 int a[N];
   9
  10 __attribute__((noinline, noclone)) void
  11 foo (int x)
  12 {
  13   int i;
  14   for (i = 0; i < N; i++, x += 3)
  15     a[i] = x;
  16 }
  17
  18 int
  19 main ()
  20 {
  21   int i;
  22
  23   check_vect ();
  24   foo (6);
  25 #pragma GCC novector
  26   for (i = 0; i < N; i++)
  27     if (a[i] != i * 3 + 6)
  28       abort ();
  29   return 0;
  30 }
  31
  32 /* { dg-final { scan-tree-dump-not "Invalid sum" "optimized" } } */