gcc/testsuite/gcc.dg/pr52691.c

   1 /* PR middle-end/52691 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -fdump-tree-optimized" } */
   4
   5 #include <stdarg.h>
   6
   7 int
   8 foo (int a, ...)
   9 {
  10   int b = 0, c = 0;
  11   va_list ap;
  12   va_start (ap, a);
  13   if (a > 1)
  14     b = va_arg (ap, double);
  15   if (a > 2)
  16     c = va_arg (ap, long long);
  17   va_end (ap);
  18   return a + b + c;
  19 }
  20
  21 /* { dg-final { scan-tree-dump "__builtin_next_arg" "optimized" { target { { i?86-*-* x86_64-*-* } && ia32 } } } } */
  22 /* { dg-final { scan-tree-dump "__builtin_next_arg" "optimized" { target { powerpc*-*-darwin* powerpc*-*-aix* } } } } */
  23 /* { dg-final { scan-tree-dump "__builtin_next_arg" "optimized" { target { powerpc*-*-linux* && lp64 } } } } */
  24 /* { dg-final { cleanup-tree-dump "optimized" } } */