gcc/testsuite/gcc.target/i386/nrv1.c

   1 /* Verify that gimple-level NRV is occurring even for SSA_NAMEs.  *./
   2 /* { dg-do compile } */
   3 /* { dg-options "-O -fdump-tree-optimized" } */
   4 /* { dg-require-effective-target ia32 } */
   5
   6 _Complex double foo (_Complex double x)
   7 {
   8   return __builtin_cexp (x);
   9 }
  10
  11 /* { dg-final { scan-tree-dump-times "return slot optimization" 1 "optimized" } } */
  12 /* { dg-final { cleanup-tree-dump "optimized" } } */