gcc/testsuite/gcc.dg/tree-ssa/loadpre2.c

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