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 main()
   7 {
   8   int i;
   9   for (i=0;i<max; i++)
  10     {
  11       __builtin_memset (a, 10, size * sizeof (a[0]));
  12       asm("");
  13     }
  14    return 0;
  15 }
  16 /* { dg-final-use { scan-ipa-dump "Single value 4 stringop" "profile"} } */
  17 /* The versioned memset of size 4 should be optimized to an assignment.  */
  18 /* { dg-final-use { scan-tree-dump "a\\\[0\\\] = 168430090" "optimized"} } */
  19 /* { dg-final-use { cleanup-tree-dump "optimized" } } */
  20 /* { dg-final-use { cleanup-ipa-dump "profile" } } */