don't compare attributes but their addresses

[libfirm] / ir / ir / irnode.c

diff --git a/ir/ir/irnode.c b/ir/ir/irnode.c
index 505d61e..235e847 100644 (file)
--- a/ir/ir/irnode.c
+++ b/ir/ir/irnode.c
@@ -138,7 +138,9 @@ new_ir_node(dbg_info *db, ir_graph *irg, ir_node *block, ir_op *op, ir_mode *mod
        char *p;
        int i;
 
-       assert(irg && op && mode);
+       assert(irg);
+       assert(op);
+       assert(mode);
        p = obstack_alloc(irg->obst, node_size);
        memset(p, 0, node_size);
        res = (ir_node *)(p + firm_add_node_size);
@@ -2530,6 +2532,13 @@ const ir_node *skip_Cast_const(const ir_node *node) {
        return node;
 }
 
+/* returns operand of node if node is a Pin */
+ir_node *skip_Pin(ir_node *node) {
+       if (is_Pin(node))
+               return get_Pin_op(node);
+       return node;
+}
+
 /* returns operand of node if node is a Confirm */
 ir_node *skip_Confirm(ir_node *node) {
        if (get_irn_op(node) == op_Confirm)