gcc/testsuite/gcc.dg/vect/vect-early-break_83.c

   1 /* { dg-add-options vect_early_break } */
   2 /* { dg-do compile } */
   3 /* { dg-require-effective-target vect_early_break } */
   4 /* { dg-require-effective-target vect_int } */
   5
   6 /* { dg-additional-options "-Ofast" } */
   7
   8 /* { dg-final { scan-tree-dump-not "LOOP VECTORIZED" "vect" } } */
   9
  10 #include <complex.h>
  11
  12 #define N 1024
  13 complex double vect_a[N];
  14 complex double vect_b[N];
  15
  16 complex double test4(complex double x)
  17 {
  18  complex double ret = 0;
  19  for (int i = 0; i < N; i++)
  20  {
  21    volatile complex double z = vect_b[i];
  22    vect_b[i] = x + i + z;
  23    if (vect_a[i] == x)
  24      return i;
  25    vect_a[i] += x * vect_b[i];
  26
  27  }
  28  return ret;
  29 }