gcc/testsuite/gcc.dg/tree-ssa/pr99578-1.c

   1 /* PR middle-end/99578 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -fdump-tree-optimized" } */
   4 /* { dg-final { scan-tree-dump-not "&MEM" "optimized" } } */
   5 /* { dg-final { scan-tree-dump-times "PHI <-?1\\\(\[0-9\]+\\\), -?1\\\(\[0-9\]+\\\)>" 2 "optimized" } } */
   6
   7 struct S { int a, b[4]; };
   8 struct T { int a, b[8192], c[4]; };
   9
  10 int
  11 foo (struct S *p)
  12 {
  13   if (p) return -1;
  14   return p->b == (void *)4;
  15 }
  16
  17 int
  18 bar (struct T *p)
  19 {
  20   if (p) return -1;
  21   return p->c == (void *)32772;
  22 }