gcc/testsuite/gcc.dg/tree-ssa/forwprop-8.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O1 -fdump-tree-forwprop1 -W -Wall" } */
   3
   4
   5 struct X { int a[5]; };
   6 int foo(struct X *q)
   7 {
   8   int (*pointer)[5] = &q->a;
   9   return (*pointer)[0];
  10 }
  11
  12
  13 /* We should have propragated &q->a into (*pointer).  */
  14 /* { dg-final { scan-tree-dump-times "pointer" 0 "forwprop1"} } */
  15 /* { dg-final { scan-tree-dump "->a\\\[0\\\]" "forwprop1" } } */
  16 /* { dg-final { cleanup-tree-dump "forwprop1" } } */