gcc/testsuite/gcc.dg/pr71289.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -fdump-tree-optimized-raw" } */
   3
   4 int f(unsigned a, unsigned b, unsigned *c)
   5 {
   6   if (a > -1 / b)
   7     return -1;
   8   *c = a * b;
   9   return 0;
  10 }
  11
  12 void g(unsigned long long a, unsigned long long b, unsigned long long *c)
  13 {
  14   if (a <= -1 / b)
  15     *c = a * b;
  16 }
  17
  18 /* { dg-final { scan-tree-dump-not "trunc_div_expr" "optimized" } } */