Support dtor sections on Mach-O.

[libfirm] / ir / lower / lower_mode_b.c

diff --git a/ir/lower/lower_mode_b.c b/ir/lower/lower_mode_b.c
index bfd80b2..8cee596 100644 (file)
--- a/ir/lower/lower_mode_b.c
+++ b/ir/lower/lower_mode_b.c
@@ -162,12 +162,12 @@ static ir_node *lower_node(ir_node *node)
        ir_mode  *mode  = config.lowered_mode;
        ir_node  *res;
 
-       assert(get_irn_mode(node) == mode_b);
-
        res = get_irn_link(node);
        if (res != NULL)
                return res;
 
+       assert(get_irn_mode(node) == mode_b);
+
        switch (get_irn_opcode(node)) {
        case iro_Phi: {
                int       i, arity;
@@ -258,14 +258,16 @@ static ir_node *lower_node(ir_node *node)
                        ir_node *right = get_Cmp_right(pred);
                        ir_mode *cmp_mode  = get_irn_mode(left);
 
-                       if ((mode_is_int(cmp_mode) || mode_is_reference(cmp_mode)) && (
-                                               get_mode_size_bits(cmp_mode) < get_mode_size_bits(mode) ||
-                                               (mode_is_signed(cmp_mode) && is_Const(right) && is_Const_null(right))
-                                       )) {
+                       if ((mode_is_int(cmp_mode) || mode_is_reference(cmp_mode)) &&
+                           (get_mode_size_bits(cmp_mode) < get_mode_size_bits(mode) ||
+                           (mode_is_signed(cmp_mode) && is_Const(right) && is_Const_null(right)))) {
                                int      pnc      = get_Proj_proj(node);
                                int      need_not = 0;
                                ir_node *a        = NULL;
                                ir_node *b        = NULL;
+                               int      bits;
+                               tarval  *tv;
+                               ir_node *shift_cnt;
 
                                if (pnc == pn_Cmp_Lt) {
                                        /* a < b  ->  (a - b) >> 31 */
@@ -289,9 +291,9 @@ static ir_node *lower_node(ir_node *node)
                                        goto synth_zero_one;
                                }
 
-                               int      bits      = get_mode_size_bits(mode);
-                               tarval  *tv        = new_tarval_from_long(bits-1, mode_Iu);
-                               ir_node *shift_cnt = new_d_Const(dbgi, tv);
+                               bits      = get_mode_size_bits(mode);
+                               tv        = new_tarval_from_long(bits-1, mode_Iu);
+                               shift_cnt = new_d_Const(dbgi, tv);
 
                                if (cmp_mode != mode) {
                                        a = new_rd_Conv(dbgi, block, a, mode);