gcc/testsuite/gcc.dg/vect/vect-early-break_84.c

   1 /* { dg-add-options vect_early_break } */
   2 /* { dg-require-effective-target vect_early_break_hw } */
   3 /* { dg-require-effective-target vect_int } */
   4
   5 /* { dg-final { scan-tree-dump "LOOP VECTORIZED" "vect" { target { ! "x86_64-*-* i?86-*-*" } } } } */
   6
   7 #include <stdbool.h>
   8
   9 #include "tree-vect.h"
  10
  11 #ifndef N
  12 #define N 17
  13 #endif
  14 bool vect_a[N] = { false, false, true, false, false, false,
  15                    false, false, false, false, false, false,
  16                    false, false, false, false, false };
  17 unsigned vect_b[N] = { 0 };
  18
  19 __attribute__ ((noinline, noipa))
  20 unsigned test4(bool x)
  21 {
  22  unsigned ret = 0;
  23  for (int i = 0; i < N; i++)
  24  {
  25    if (vect_a[i] == x)
  26      return 1;
  27    vect_a[i] = x;
  28
  29  }
  30  return ret;
  31 }
  32
  33 extern void abort ();
  34
  35 int main ()
  36 {
  37   check_vect ();
  38
  39   if (test4 (true) != 1)
  40     abort ();
  41
  42   if (vect_b[2] != 0 && vect_b[1] == 0)
  43     abort ();
  44 }