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

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-forwprop1" }  */
   3
   4 /* We should be able to optimize this to b->t[i] = 1 during
   5    early optimizations.  */
   6
   7 struct a
   8 {
   9   int t[10];
  10 };
  11
  12 void f(struct a * b, __SIZE_TYPE__ i)
  13 {
  14   int *c = b->t;
  15   c[i] = 1;
  16 }
  17
  18 /* { dg-final { scan-tree-dump-times "t\\\[i.*\\\].* = 1;" 1 "forwprop1" } } */
  19 /* { dg-final { cleanup-tree-dump "forwprop1" } } */