Refactor ir_dereference support for ir_hierarchical_visitor

Move the accept method for hierarchical visitors from ir_dereference
to the derived classes.  This was mostly straight-forward, but I
suspect that ir_dead_code_local may be broken now.

1 files changed, 22 insertions, 6 deletions

diff --git a/ir_hv_accept.cpp b/ir_hv_accept.cpp
index 43422e84aa..08f5394314 100644
--- a/ir_hv_accept.cpp
+++ b/ir_hv_accept.cpp
@@ -170,18 +170,34 @@ ir_swizzle::accept(ir_hierarchical_visitor *v)
 
 
 ir_visitor_status
-ir_dereference::accept(ir_hierarchical_visitor *v)
+ir_dereference_variable::accept(ir_hierarchical_visitor *v)
+{
+   return v->visit(this);
+}
+
+
+ir_visitor_status
+ir_dereference_array::accept(ir_hierarchical_visitor *v)
 {
    ir_visitor_status s = v->visit_enter(this);
    if (s != visit_continue)
       return (s == visit_continue_with_parent) ? visit_continue : s;
 
-   if (this->mode == ir_reference_array) {
-      s = this->selector.array_index->accept(v);
-      if (s != visit_continue)
-	 return (s == visit_continue_with_parent) ? visit_continue : s;
-   }
+   s = this->selector.array_index->accept(v);
+   if (s != visit_continue)
+      return (s == visit_continue_with_parent) ? visit_continue : s;
 
+   s = this->var->accept(v);
+   return (s == visit_stop) ? s : v->visit_leave(this);
+}
+
+
+ir_visitor_status
+ir_dereference_record::accept(ir_hierarchical_visitor *v)
+{
+   ir_visitor_status s = v->visit_enter(this);
+   if (s != visit_continue)
+      return (s == visit_continue_with_parent) ? visit_continue : s;
 
    s = this->var->accept(v);
    return (s == visit_stop) ? s : v->visit_leave(this);