changed code placement so it can work in more environments:

[libfirm] / ir / ana / irdom.c

diff --git a/ir/ana/irdom.c b/ir/ana/irdom.c
index ffb2c97..8ad7a94 100644 (file)
--- a/ir/ana/irdom.c
+++ b/ir/ana/irdom.c
@@ -27,8 +27,8 @@
 #include "irnode_t.h"
 #include "ircons_t.h"
 
-#define get_dom_info(bl) (&(bl)->attr.block.dom)
 
+#define get_dom_info(bl) (&(bl)->attr.block.dom)
 
 /*--------------------------------------------------------------------*/
 /** Accessing the dominator data structures                          **/
@@ -99,11 +99,14 @@ int block_dominates(const ir_node *a, const ir_node *b)
 {
        const dom_info *ai, *bi;
 
-       assert(is_Block(a) && is_Block(b));
-       ai = get_dom_info(a);
-       bi = get_dom_info(b);
-       return bi->tree_pre_num - ai->tree_pre_num
-               <= ai->max_subtree_pre_num - ai->tree_pre_num;
+       if (is_Block(a) && is_Block(b)) {
+               ai = get_dom_info(a);
+               bi = get_dom_info(b);
+               return bi->tree_pre_num - ai->tree_pre_num
+                       <= ai->max_subtree_pre_num - ai->tree_pre_num;
+       }
+
+       return 0;
 }
 
 ir_node *get_Block_dominated_first(const ir_node *bl)