gcc/testsuite/gcc.dg/tree-ssa/loadpre21.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-pre-stats" } */
   3 typedef int type[2];
   4 int main(type *a, int argc)
   5 {
   6   int b;
   7   int i;
   8   int d, e;
   9
  10   /* Should be able to hoist this out of the loop.  */
  11   for (i = 0; i < argc; i++)
  12     {
  13       e = (*a)[0];
  14     }
  15   return d + e;
  16 }
  17
  18 /* { dg-final { scan-tree-dump-times "Eliminated: 1" 1 "pre"} } */
  19 /* { dg-final { cleanup-tree-dump "pre" } } */