remove nearly unused loop_flags

[libfirm] / ir / ana / irlivechk.c

diff --git a/ir/ana/irlivechk.c b/ir/ana/irlivechk.c
index a5aeba1..d4c4efb 100644 (file)
--- a/ir/ana/irlivechk.c
+++ b/ir/ana/irlivechk.c
@@ -40,6 +40,9 @@
 
 #include <stdio.h>
 
+/* statev is expensive here, only enable when needed */
+#define DISABLE_STATEV
+
 #include "irgraph_t.h"
 #include "irnode_t.h"
 #include "irnodemap.h"
@@ -55,7 +58,7 @@
 
 #include "irlivechk.h"
 
-#include "statev.h"
+#include "statev_t.h"
 
 typedef struct bl_info_t {
        const ir_node *block;      /**< The block. */
@@ -98,26 +101,6 @@ static bl_info_t *get_block_info(lv_chk_t *lv, const ir_node *block)
        return info;
 }
 
-/**
- * Filter function to select all nodes for which liveness is computed.
- * @param irn A node.
- * @return    1 if the node shall be considered in liveness, 0 if not.
- */
-static inline int is_liveness_node(const ir_node *irn)
-{
-       switch (get_irn_opcode(irn)) {
-       case iro_Block:
-       case iro_Bad:
-       case iro_End:
-       case iro_Anchor:
-               return 0;
-       default:
-               break;
-       }
-
-       return 1;
-}
-
 /**
  * Compute the transitive closure on the reduced graph.
  * The reduced graph is the original graph without back edges.