gnu/dist/gcc4/gcc/testsuite/gcc.dg/tree-ssa/ssa-eustores.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-eustores-all" } */
   3 static int a;
   4 int foo()
   5 {
   6   int alocal;
   7   int b;
   8   alocal = a;
   9   b = alocal;
  10   a = b;
  11 }
  12 /* We should eliminate the store back to a.  */
  13 /* { dg-final { scan-tree-dump-times "Eliminating useless store" 1 "eustores"} } */
  14 /* { dg-final { cleanup-tree-dump "eustores" } } */