gcc/testsuite/gcc.dg/divmod-5.c

   1 /* { dg-require-effective-target divmod_simode } */
   2 /* { dg-options "-O2 -fdump-tree-widening_mul-details" } */
   3 /* div and mod are not in same bb and
   4    bb's containing div and mod don't dominate each other.  */
   5
   6 int f(int x, int y)
   7 {
   8   int q = 0;
   9   int r = 0;
  10   extern int cond;
  11
  12   if (cond)
  13     q = x / y;
  14
  15   r = x % y;
  16   return q + r;
  17 }
  18
  19 /* { dg-final { scan-tree-dump-times "DIVMOD" 0 "widening_mul" } } */