Added call to eliminate_phi_interferences. Enabled phi-destruction.

[libfirm] / ir / be / beutil.h

diff --git a/ir/be/beutil.h b/ir/be/beutil.h
index dcb18b1..9db6184 100644 (file)
--- a/ir/be/beutil.h
+++ b/ir/be/beutil.h
@@ -12,6 +12,18 @@
 /** Undefine this to disable debugging mode. */
 #define BE_DEBUG 1
 
+/**
+ * Convenient block getter.
+ * Works also, if the given node is a block.
+ * @param  irn The node.
+ * @return The block of the node, or the node itself, if the node is a
+ *         block.
+ */
+static INLINE const ir_node *get_block(const ir_node *irn)
+{
+  return is_Block(irn) ? irn : get_nodes_block(irn);
+}
+
 /**
  * Check, if a node produces or consumes a data value.
  * If it does, it is significant for scheduling and register allocation.