gcc/testsuite/gcc.c-torture/execute/20031214-1.c

   1 /* PR optimization/10312 */
   2 /* Originator: Peter van Hoof <p dot van-hoof at qub dot ac dot uk> */
   3
   4 /* Verify that the strength reduction pass doesn't find
   5    illegitimate givs.  */
   6
   7 struct
   8 {
   9   double a;
  10   int n[2];
  11 } g = { 0., { 1, 2}};
  12
  13 int k = 0;
  14
  15 void
  16 b (int *j)
  17 {
  18 }
  19
  20 int
  21 main ()
  22 {
  23   int j;
  24
  25   for (j = 0; j < 2; j++)
  26     k = (k > g.n[j]) ? k : g.n[j];
  27
  28   k++;
  29   b (&j);
  30
  31   return 0;
  32 }