gcc/testsuite/gcc.dg/tree-ssa/structopt-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-lim-details" } */
   3 int x; int y;
   4 struct { int x; int y; } global;
   5 int foo() {
   6         int i;
   7         for ( i=0; i<10; i++)
   8                 y += x*x;
   9         for ( i=0; i<10; i++)
  10                 global.y += global.x*global.x;
  11 }
  12
  13 /* { dg-final { scan-tree-dump-times "Executing store motion of global.y" 1 "lim" } } */
  14 /* XXX: We should also check for the load motion of global.x, but there is no easy way to do this.  */
  15 /* { dg-final { cleanup-tree-dump "lim" } } */