gcc/testsuite/gcc.dg/tree-prof/stringop-2.c

   1 /* { dg-options "-O2 -fdump-tree-optimized -fdump-ipa-profile" } */
   2 int a[1000];
   3 int b[1000];
   4 int size=1;
   5 int max=10000;
   6 #ifdef __mips
   7 /* We allow short memcpy()s for MIPS16.  */
   8 int __attribute__((nomips16))
   9 #else
  10 int
  11 #endif
  12 main()
  13 {
  14   int i;
  15   for (i=0;i<max; i++)
  16     {
  17       __builtin_memset (a, 10, size * sizeof (a[0]));
  18       asm("");
  19     }
  20    return 0;
  21 }
  22 /* autofdo doesn't support value profiling for now: */
  23 /* { dg-final-use-not-autofdo { scan-ipa-dump "Single value 4 stringop" "profile"} } */
  24 /* The versioned memset of size 4 should be optimized to an assignment.  */
  25 /* { dg-final-use-not-autofdo { scan-tree-dump "MEM\\\[\\(void .\\)&a\\\] = 168430090" "optimized"} } */