tree value;
/* List of SSA_NAMEs which have the same value/key. */
- varray_type equivalences;
+ VEC(tree,heap) *equivalences;
};
static void uncprop_initialize_block (struct dom_walk_data *, basic_block);
return operand_equal_p (value1, value2, 0);
}
+/* Free an instance of equiv_hash_elt. */
+
+static void
+equiv_free (void *p)
+{
+ struct equiv_hash_elt *elt = (struct equiv_hash_elt *) p;
+ VEC_free (tree, heap, elt->equivalences);
+ free (elt);
+}
+
/* Remove the most recently recorded equivalency for VALUE. */
static void
slot = htab_find_slot (equiv, &equiv_hash_elt, NO_INSERT);
equiv_hash_elt_p = (struct equiv_hash_elt *) *slot;
- VARRAY_POP (equiv_hash_elt_p->equivalences);
+ VEC_pop (tree, equiv_hash_elt_p->equivalences);
}
/* Record EQUIVALENCE = VALUE into our hash table. */
equiv_hash_elt = (struct equiv_hash_elt *) *slot;
- if (!equiv_hash_elt->equivalences)
- VARRAY_TREE_INIT (equiv_hash_elt->equivalences, 10, "value equivs");
- VARRAY_PUSH_TREE (equiv_hash_elt->equivalences, equivalence);
+ VEC_safe_push (tree, heap, equiv_hash_elt->equivalences, equivalence);
}
/* Main driver for un-cprop. */
associate_equivalences_with_edges ();
/* Create our global data structures. */
- equiv = htab_create (1024, equiv_hash, equiv_eq, free);
+ equiv = htab_create (1024, equiv_hash, equiv_eq, equiv_free);
equiv_stack = VEC_alloc (tree, heap, 2);
/* We're going to do a dominator walk, so ensure that we have
then replace the value in the argument with its equivalent
SSA_NAME. Use the most recent equivalence as hopefully
that results in shortest lifetimes. */
- for (j = VARRAY_ACTIVE_SIZE (elt->equivalences) - 1; j >= 0; j--)
+ for (j = VEC_length (tree, elt->equivalences) - 1; j >= 0; j--)
{
- tree equiv = VARRAY_TREE (elt->equivalences, j);
+ tree equiv = VEC_index (tree, elt->equivalences, j);
if (SSA_NAME_VAR (equiv) == SSA_NAME_VAR (PHI_RESULT (phi)))
{