gnu/dist/gcc4/gcc/testsuite/gcc.dg/tree-ssa/20040721-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fno-tree-dominator-opts -fdump-tree-store_ccp-vops" } */
   3
   4 /* Test to check whether global variables are being
   5    constant propagated. */
   6
   7 int G;
   8
   9 foo (int i)
  10 {
  11    if (i > 0)
  12      G = 3;
  13    else
  14      G = 3;
  15
  16    if (G != 3)
  17      link_error ();
  18 }
  19
  20 main ()
  21 {
  22    foo (0);
  23    return 0;
  24 }
  25
  26 /* There should be no G on the RHS of an assignment. */
  27 /* { dg-final { scan-tree-dump-times "= G;" 0 "store_ccp"} } */
  28 /* { dg-final { cleanup-tree-dump "store_ccp" } } */