gcc/testsuite/gcc.dg/tree-ssa/pr92706-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-esra" } */
   3
   4 typedef __UINT64_TYPE__ uint64_t;
   5 typedef __UINT32_TYPE__ uint32_t;
   6 struct S { uint32_t i[2]; } __attribute__((aligned(__alignof__(uint64_t))));
   7 typedef uint64_t my_int64 __attribute__((may_alias));
   8 uint64_t load (void *p)
   9 {
  10   struct S u, v, w;
  11   uint64_t tem;
  12   tem = *(my_int64 *)p;
  13   *(my_int64 *)&v = tem;
  14   u = v;
  15   w = u;
  16   return *(my_int64 *)&w;
  17 }
  18
  19 /* { dg-final { scan-tree-dump "Created a replacement for v" "esra" } } */