gcc/testsuite/c-c++-common/strub-strict2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-fstrub=strict -fdump-ipa-strubm" } */
   3 /* { dg-require-effective-target strub } */
   4
   5 static int __attribute__ ((__strub__)) var;
   6
   7 /* g becomes STRUB_INTERNAL because of the use of the strub variable, and gets
   8    split into STRUB_WRAPPER and STRUB_WRAPPED.  It's not STRUB_AT_CALLS_OPT
   9    because force_output is set for static non-inline functions when not
  10    optimizing, and that keeps only_called_directly_p from returning true, which
  11    makes STRUB_AT_CALLS[_OPT] non-viable.  */
  12 static void
  13 g() {
  14   var--;
  15 }
  16
  17 /* f becomes STRUB_INTERNAL because of the use of the strub variable, and gets
  18    split into STRUB_WRAPPER and STRUB_WRAPPED.  */
  19 void
  20 f() {
  21   var++;
  22   g();  /* { dg-error "calling non-.strub." } */
  23 }
  24
  25 /* { dg-final { scan-ipa-dump-times "strub \[(\]" 2 "strubm" } } */
  26 /* { dg-final { scan-ipa-dump-times "strub \[(\]internal\[)\]" 2 "strubm" } } */