Temp: Cleanup 5 (colors)

Author: matthewjasper

src/librustc_mir/util/graphviz.rs

@@ -102,10 +102,15 @@ pub fn write_node_label<W: Write, INIT, FINI>(block: BasicBlock,
     write!(w, r#"<table border="0" cellborder="1" cellspacing="0">"#)?;
 
     // Basic block number at the top.
-    write!(w, r#"<tr><td {attrs} colspan="{colspan}">{blk}</td></tr>"#,
-           attrs=r#"bgcolor="gray" align="center""#,
+    let (blk, color) = if data.is_cleanup {
+        (format!("{} (cleanup)", block.index()), "light blue")
+    } else {
+        (format!("{}", block.index()), "gray")
+    };
+    write!(w, r#"<tr><td bgcolor="{color}" align="center" colspan="{colspan}">{blk}</td></tr>"#,
            colspan=num_cols,
-           blk=block.index())?;
+           blk=blk,
+           color=color)?;
 
     init(w)?;