gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-10.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fno-tree-dominator-opts -fdump-tree-fre-stats" } */
   3 double cos (double);
   4 void link_error();
   5 void f(double a)
   6 {
   7   double b = cos (a);
   8   double c = cos (a);
   9   if (b != c)
  10     link_error();
  11 }
  12
  13 /* { dg-final { scan-tree-dump-times "Eliminated: 1" 1 "fre"} } */
  14 /* { dg-final { cleanup-tree-dump "fre" } } */