gcc/testsuite/gcc.dg/pr46647.c

   1 /* PR middle-end/46647 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -fdump-tree-optimized" } */
   4
   5 int a;
   6
   7 int
   8 func1 (void)
   9 {
  10   __builtin_memset (&a, -1, sizeof (a));
  11   return 0;
  12 }
  13
  14 int
  15 func2 (void)
  16 {
  17   __builtin_memset (&a, 123, sizeof (a));
  18   return 0;
  19 }
  20
  21 int
  22 func3 (void)
  23 {
  24   __builtin_memset (&a, 0, sizeof (a));
  25   return 0;
  26 }
  27
  28 /* The xfail for avr, cris-* and crisv32-* is due to PR53535.  */
  29 /* { dg-final { scan-tree-dump-not "memset" "optimized" { xfail avr-*-* cris-*-* crisv32-*-* } } } */