is_Mux() added

[libfirm] / ir / ir / irnode.c

diff --git a/ir/ir/irnode.c b/ir/ir/irnode.c
index cec30c7..502c633 100644 (file)
--- a/ir/ir/irnode.c
+++ b/ir/ir/irnode.c
@@ -2005,28 +2005,28 @@ void     set_Mux_true  (ir_node *node, ir_node *ir_true) {
 
 /* Psi support */
 ir_node *get_Psi_cond   (ir_node *node, int pos) {
-  int num_conds = get_irn_arity(node) >> 1;
+  int num_conds = get_Psi_n_conds(node);
   assert(node->op == op_Psi);
   assert(pos < num_conds);
   return node->in[1 + 2 * pos];
 }
 
 void     set_Psi_cond   (ir_node *node, int pos, ir_node *cond) {
-  int num_conds = get_irn_arity(node) >> 1;
+  int num_conds = get_Psi_n_conds(node);
   assert(node->op == op_Psi);
   assert(pos < num_conds);
   node->in[1 + 2 * pos] = cond;
 }
 
 ir_node *get_Psi_val    (ir_node *node, int pos) {
-  int num_vals = get_irn_arity(node) >> 1;
+  int num_vals = get_Psi_n_conds(node);
   assert(node->op == op_Psi);
   assert(pos < num_vals);
   return node->in[1 + 2 * pos + 1];
 }
 
 void     set_Psi_val    (ir_node *node, int pos, ir_node *val) {
-  int num_vals = get_irn_arity(node) >> 1;
+  int num_vals = get_Psi_n_conds(node);
   assert(node->op == op_Psi);
   assert(pos < num_vals);
   node->in[1 + 2 * pos + 1] = val;
@@ -2044,6 +2044,10 @@ void     set_Psi_default(ir_node *node, ir_node *val) {
   node->in[def_pos] = node;
 }
 
+int (get_Psi_n_conds)(ir_node *node) {
+  return _get_Psi_n_conds(node);
+}
+
 /* CopyB support */
 ir_node *get_CopyB_mem (ir_node *node) {
   assert (node->op == op_CopyB);
@@ -2406,6 +2410,12 @@ int
   return _is_Sel(node);
 }
 
+/* returns true if node is a Mux node or a Psi with only one condition. */
+int
+(is_Mux)(const ir_node *node) {
+  return _is_Mux(node);
+}
+
 int
 is_Proj (const ir_node *node) {
   assert(node);