gcc/testsuite/gcc.dg/tree-ssa/ssa-dse-44.c

   1 /* { dg-do link } */
   2 /* { dg-options "-O -fdump-tree-dse1-details" } */
   3
   4 extern void foo(void);
   5 int a, b;
   6 static int c;
   7 int main()
   8 {
   9   if (c)
  10     foo ();
  11   int *g = &c;
  12   int **h = &g;
  13   int ***h1 = &h;
  14   if (a)
  15     while (b)
  16       b = 0;
  17 }
  18
  19 /* { dg-final { scan-tree-dump "Deleted dead store: g = &c;" "dse1" } } */