gcc/testsuite/c-c++-common/strub-tail-O2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fstrub=strict -fno-exceptions -fdump-ipa-strub" } */
   3 /* { dg-require-effective-target strub } */
   4
   5 /* Check that the expected strub calls are issued.
   6    Tail calls are short-circuited at -O2+.  */
   7
   8 int __attribute__ ((__strub__))
   9 g (int i, int j) {
  10   return g (i, j);
  11 }
  12
  13 /* { dg-final { scan-ipa-dump-times "strub_enter" 0 "strub" } } */
  14 /* { dg-final { scan-ipa-dump-times "strub_update" 2 "strub" } } */
  15 /* { dg-final { scan-ipa-dump-times "strub_leave" 0 "strub" } } */