return _get_irn_pinned(node);
}
+op_pin_state
+(is_irn_pinned_in_irg) (const ir_node *node) {
+ return _is_irn_pinned_in_irg(node);
+}
+
void set_irn_pinned(ir_node *node, op_pin_state state) {
/* due to optimization an opt may be turned into a Tuple */
if (get_irn_op(node) == op_Tuple)
of node cast to long. */
long get_irn_node_nr (const ir_node *node);
-/** Returns the pinned state of a node. */
+/** Returns the pinned state of a node.
+ *
+ * Returns whether the node _always_ must be pinned.
+ * I.e., the node is not floating after global cse.
+ *
+ * @returns Either state op_pin_state_pinned or op_pin_state_floats.
+ */
op_pin_state get_irn_pinned (const ir_node *node);
/** Set pin state for nodes with op pin state op_pin_state_exc_pinned */
void set_irn_pinned(ir_node *node, op_pin_state state);
+/** Returns whether the node is currently pinned.
+ *
+ * If get_irn_pinned returns op_pin_state_floats and the graph the
+ * node belongs to is in state op_poin_state_floats then this function
+ * returns 'floats', else 'pinned'.
+ */
+op_pin_state is_irn_pinned_in_irg (const ir_node *node);
+
/**
* irnode constructor.
* Create a new irnode in irg, with an op, mode, arity and
}
/**
- * Returns the pinned state of a node.
+ * Returns whether the node _always_ must be pinned.
+ * I.e., the node is not floating after global cse.
+ *
* Intern version of libFirm.
*/
static INLINE op_pin_state
_get_irn_pinned(const ir_node *node) {
op_pin_state state;
assert(node && _is_ir_node(node));
+ /* Check opcode */
state = _get_op_pinned(_get_irn_op(node));
+
if (state >= op_pin_state_exc_pinned)
return get_opt_fragile_ops() ? node->attr.except.pin_state : op_pin_state_pinned;
return state;
}
+static INLINE op_pin_state
+_is_irn_pinned_in_irg(const ir_node *node) {
+ if (get_irg_pinned(get_irn_irg(node)) == op_pin_state_floats) {
+ return get_irn_pinned(node)
+ }
+ return op_pin_state_pinned;
+}
+
static INLINE int
_is_unop(const ir_node *node) {
assert(node && _is_ir_node(node));
#define irn_not_visited(node) _irn_not_visited(node)
#define set_irn_link(node, link) _set_irn_link(node, link)
#define get_irn_link(node) _get_irn_link(node)
+#define get_irn_pinned(node) _get_irn_pinned(node)
+#define is_irn_pinned_in_irg(node) _is_irn_pinned_in_irg(node)
#define is_unop(node) _is_unop(node)
#define is_binop(node) _is_binop(node)
#define is_Const(node) _is_Const(node)