gcc/testsuite/gcc.dg/tree-ssa/tailrecursion-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O1 -foptimize-sibling-calls -fdump-tree-tailr-details" } */
   3 int
   4 t(char *a)
   5 {
   6         static char p[100];
   7         if (a)
   8                 return t(p);
   9         else
  10                 return 0;
  11 }
  12 /* { dg-final { scan-tree-dump-times "Eliminated tail recursion" 1 "tailr1"} } */
  13 /* { dg-final { cleanup-tree-dump "tailr\[1-2\]" } } */