gcc/testsuite/gcc.dg/torture/pr45704.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-fdump-tree-optimized" } */
   3 /* { dg-skip-if "" { *-*-* } { "-fno-fat-lto-objects" } { "" } } */
   4
   5 struct st {
   6     int ptr;
   7 };
   8
   9 int foo(struct st *st)
  10 {
  11   int v = *(volatile int *)&st->ptr;
  12   return v & 0xff;
  13 }
  14
  15 /* { dg-final { scan-tree-dump-times "={v}" 1 "optimized" } } */
  16 /* { dg-final { cleanup-tree-dump "optimized" } } */