gcc/testsuite/gcc.dg/pr27335.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -funroll-loops" } */
   3
   4 extern void bar () __attribute__ ((noreturn));
   5
   6 inline double
   7 baz (double *x, unsigned int y)
   8 {
   9   if (y >= 6)
  10     bar ();
  11   return x[y];
  12 }
  13
  14 double *a, *b;
  15
  16 void
  17 foo ()
  18 {
  19   unsigned int r, s, t;
  20
  21   for (r = 0; r < 2; r++)
  22     for (t = 0; t < 2; t++)
  23       {
  24         for (s = 0; s < 3; s++)
  25           b[r * 2 + t] += baz (a, 3 * s + t);
  26       }
  27 }