gcc/testsuite/gcc.dg/tree-ssa/pr14814.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-forwprop2" } */
   3
   4
   5 struct YY {
   6   double e[3];  };
   7
   8 static inline double *y(struct YY* this_1) { return &this_1->e[1]; }
   9
  10 struct XX {
  11   struct YY v;
  12  };
  13
  14 static inline struct YY direction (const struct  XX* this_1) { return this_1->v;}
  15
  16 int foo(const struct XX* r) {
  17   struct YY t = direction(r);
  18   if (*y(&t) < 0.000001) return 0;
  19   return 1;
  20 }
  21
  22 /* { dg-final { scan-tree-dump-times "&" 0 "forwprop2" } } */
  23 /* { dg-final { cleanup-tree-dump "forwprop2" } } */
  24
  25