gcc/testsuite/gcc.dg/tree-ssa/forwprop-7.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O1 -fdump-tree-forwprop1 -W -Wall" } */
   3
   4 int i;
   5 int foo(void)
   6 {
   7   volatile int *p = (volatile int *)&i;
   8   return *p + *p;
   9 }
  10
  11 /* We should not convert the cast to a VCE in forwprop1 as we have a volatile reference.  */
  12 /* { dg-final { scan-tree-dump-times "VIEW_CONVERT_EXPR" 0 "forwprop1"} } */
  13 /* { dg-final { scan-tree-dump-times "volatile int" 2 "forwprop1"} } */
  14 /* { dg-final { cleanup-tree-dump "forwprop1" } } */