gcc/testsuite/gcc.dg/tree-ssa/tailcall-9.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-tailc-details" } */
   3
   4 __attribute__((noinline))
   5 static float f(float x)
   6 {
   7   return x*x;
   8 }
   9
  10 static double g(float x)
  11 {
  12   return x>0 ? f(x) : x+1.0;
  13 }
  14
  15 float foo(float x)
  16 {
  17   return g(x);
  18 }
  19
  20 /* { dg-final { scan-tree-dump "Found tail call" "tailc" } } */