gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-38.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -fdump-tree-fre1" } */
   3
   4 struct S { int i; int j; };
   5
   6 struct U
   7 {
   8   struct S a[10];
   9 } u;
  10
  11 int foo (int n, int i, int j)
  12 {
  13   u.a[n].i = i;
  14   u.a[n].j = j;
  15   return u.a[n].i;
  16 }
  17
  18 /* We should remove the redundant load.  */
  19
  20 /* { dg-final { scan-tree-dump-not "= u.a\\\[n_2\\(D\\)\\\].i" "fre1" } } */
  21 /* { dg-final { cleanup-tree-dump "fre1" } } */