add an get_irg_idx

[libfirm] / ir / ir / iropt.c

diff --git a/ir/ir/iropt.c b/ir/ir/iropt.c
index 915af89..4fc0169 100644 (file)
--- a/ir/ir/iropt.c
+++ b/ir/ir/iropt.c
@@ -2937,7 +2937,8 @@ static ir_node *transform_bitwise_distributive(ir_node *n,
                ir_node *b_left  = get_binop_left(b);
                ir_node *b_right = get_binop_right(b);
                ir_node *c       = NULL;
-               ir_node *op1, *op2;
+               ir_node *op1     = NULL;
+               ir_node *op2     = NULL;
 
                if (is_op_commutative(op)) {
                        if (a_left == b_left) {
@@ -4667,6 +4668,12 @@ static ir_node *transform_node_Conv(ir_node *n) {
                        return c;
                }
        }
+
+       if (is_Unknown(a)) { /* Conv_A(Unknown_B) -> Unknown_A */
+               ir_mode *mode = get_irn_mode(n);
+               return new_r_Unknown(current_ir_graph, mode);
+       }
+
        return n;
 }  /* transform_node_Conv */