Added insertion of duplicates for operands of phi nodes that interfere

[libfirm] / ir / be / besched.h

diff --git a/ir/be/besched.h b/ir/be/besched.h
index 06bfdf7..134fd6f 100644 (file)
--- a/ir/be/besched.h
+++ b/ir/be/besched.h
@@ -16,7 +16,16 @@ ir_node *(sched_prev)(const ir_node *irn);
 ir_node *(sched_first)(const ir_node *block);
 ir_node *(sched_last)(const ir_node *block);
 ir_node *(sched_add_before)(ir_node *before, ir_node *irn);
-ir_node *(sched_add_before)(ir_node *before, ir_node *irn);
+ir_node *(sched_add_after)(ir_node *before, ir_node *irn);
+
+#define sched_is_end(irn) is_Block(irn)
+#define sched_is_begin(irn) is_Block(irn)
+
+#define sched_foreach_from(from, irn) \
+  for(irn = from; !sched_is_end(irn); irn = sched_next(irn))
+
+#define sched_foreach_reverse_from(from, irn) \
+  for(irn = from; !sched_is_begin(irn); irn = sched_prev(irn))
 
 /**
  * A shorthand macro for iterating over a schedule.
@@ -24,7 +33,7 @@ ir_node *(sched_add_before)(ir_node *before, ir_node *irn);
  * @param irn A ir node pointer used as an iterator.
  */
 #define sched_foreach(block,irn) \
-       for(irn = sched_first(block); sched_has_next(irn); irn = sched_next(irn))
+       sched_foreach_from(sched_first(block), irn)
 
 /**
  * A shorthand macro for reversely iterating over a schedule.
@@ -32,6 +41,6 @@ ir_node *(sched_add_before)(ir_node *before, ir_node *irn);
  * @param irn A ir node pointer used as an iterator.
  */
 #define sched_foreach_reverse(block,irn) \
-       for(irn = sched_last(block); sched_has_prev(irn); irn = sched_prev(irn))
+  sched_foreach_reverse_from(sched_last(block), irn)
 
 #endif