gcc/testsuite/gcc.dg/torture/pr102139.c

   1 /* { dg-do run } */
   2 /* { dg-additional-options "-ftree-slp-vectorize" } */
   3
   4 typedef double aligned_double __attribute__((aligned(2*sizeof(double))));
   5
   6 void __attribute__((noipa))
   7 bar (int aligned, double *p)
   8 {
   9   if (aligned)
  10     {
  11       *(aligned_double *)p = 3.;
  12       p[1] = 4.;
  13     }
  14   else
  15     {
  16       p[2] = 0.;
  17       p[3] = 1.;
  18     }
  19 }
  20
  21 void __attribute__((noipa))
  22 foo (int i)
  23 {
  24   if (i)
  25     __builtin_exit (0);
  26 }
  27 void __attribute__((noipa))
  28 baz (double *p)
  29 {
  30   p[0] = 0.;
  31   p[1] = 1.;
  32   foo (1);
  33   *(aligned_double *)p = 3.;
  34   p[1] = 4.;
  35 }
  36
  37 double x[8] __attribute__((aligned(2*sizeof (double))));
  38 int main()
  39 {
  40   bar (0, &x[1]);
  41   baz (&x[1]);
  42   return 0;
  43 }