rework liveness dumper

[libfirm] / ir / ana / heights.c

diff --git a/ir/ana/heights.c b/ir/ana/heights.c
index 5c4ac03..e860a03 100644 (file)
--- a/ir/ana/heights.c
+++ b/ir/ana/heights.c
@@ -149,8 +149,6 @@ static unsigned compute_height(ir_heights_t *h, ir_node *irn, const ir_node *bl)
 {
        irn_height_t *ih = get_height_data(h, irn);
 
-       const ir_edge_t *edge;
-
        /* bail out if we already visited that node. */
        if (ih->visited >= h->visited)
                return ih->height;
@@ -186,8 +184,7 @@ static unsigned compute_height(ir_heights_t *h, ir_node *irn, const ir_node *bl)
 
 static unsigned compute_heights_in_block(ir_node *bl, ir_heights_t *h)
 {
-       int             max_height = -1;
-       const ir_edge_t *edge;
+       int max_height = -1;
 
        h->visited++;
 
@@ -224,11 +221,10 @@ unsigned get_irn_height(const ir_heights_t *heights, const ir_node *irn)
 unsigned heights_recompute_block(ir_heights_t *h, ir_node *block)
 {
        ir_graph *irg = get_irn_irg(block);
-       const ir_edge_t *edge;
 
        assure_edges(irg);
 
-       /* reset phase data for all nodes in the block */
+       /* reset data for all nodes in the block */
        foreach_out_edge(block, edge) {
                ir_node      *irn = get_edge_src_irn(edge);
                irn_height_t *ih  = get_height_data(h, irn);