gcc/testsuite/gcc.dg/tree-ssa/ssa-dse-31.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -fdump-tree-dse1-details" } */
   3
   4 void g();
   5 void f(int n, char *p)
   6 {
   7   *p = 0;
   8   if (n)
   9     {
  10       *p = 1;
  11       g();
  12     }
  13   *p = 2;
  14 }
  15
  16 /* { dg-final { scan-tree-dump-times "Deleted dead store" 1 "dse1" } } */