gcc/testsuite/gcc.dg/pr51879-4.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -ftree-tail-merge -fdump-tree-pre" } */
   3
   4 int bar (int);
   5 void baz (int);
   6
   7 int foo (int y)
   8 {
   9   int a, b;
  10   a = bar (7) + 6;
  11   b = bar (7) + 6;
  12   return a + b;
  13 }
  14
  15 /* { dg-final { scan-tree-dump-times "bar \\(" 2 "pre"} } */