Remove redundant loads

Do breadth first of the entire program when marking variables used/unused

Don't optimize away unused function parameters

1 files changed, 12 insertions, 0 deletions

diff --git a/util.c b/util.c
index 270f2a3..38ed9b7 100644
--- a/util.c
+++ b/util.c
@@ -455,3 +455,15 @@ report_error (const char *fmt, ...)
 
     return FALSE;
 }
+
+void
+program_breadth_first (ast_program_t   *program,
+		       node_callback_t  callback,
+		       gpointer	        data)
+{
+    int i;
+
+    node_breadth_first (program->enter, callback, data);
+    for (i = 0; program->functions[i]; ++i)
+	node_breadth_first (program->functions[i]->enter, callback, data);
+}