gcc/testsuite/gcc.dg/pr20115-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-dom2" } */
   3
   4 extern int foo (void) __attribute__((pure));
   5
   6 int bar()
   7 {
   8   int a = foo ();
   9   a += foo ();
  10   return a;
  11 }
  12
  13 /* Check that we only have one call to foo.  */
  14 /* { dg-final { scan-tree-dump-times "foo" 1 "dom2" } } */