graph output: use better colors for edges

gcc/ChangeLog:

	* graph.c (draw_cfg_node_succ_edges): Do not color fallthru
	  edges and rather use colors for TRUE and FALSE edges.

diff --git a/gcc/graph.c b/gcc/graph.c
index ce8de33ffe10ca2af1f2012c8c51d89446446ff0..9acd1d5b95e4ca1ded72e802795eec6a1c2bbd4d 100644 (file)
--- a/gcc/graph.c
+++ b/gcc/graph.c
@@ -133,10 +133,11 @@ draw_cfg_node_succ_edges (pretty_printer *pp, int funcdef_no, basic_block bb)
          weight = 10;
        }
       else if (e->flags & EDGE_FALLTHRU)
-       {
-         color = "blue";
-         weight = 100;
-       }
+       weight = 100;
+      else if (e->flags & EDGE_TRUE_VALUE)
+       color = "forestgreen";
+      else if (e->flags & EDGE_FALSE_VALUE)
+       color = "darkorange";
 
       if (e->flags & EDGE_ABNORMAL)
        color = "red";