gcc/testsuite/gcc.dg/tree-ssa/ssa-dom-dse-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -fdump-tree-optimized" } */
   3
   4 int x;
   5 void
   6 foo (void)
   7 {
   8   if (x == 0)
   9     x = 0;
  10 }
  11 void
  12 bar (int i)
  13 {
  14   if (x == i)
  15     x = i;
  16 }
  17
  18 /* { dg-final { scan-tree-dump-not "x =" "optimized" } } */