Store AST function call parameters in expressions

[mesa.git] / ir_constant_folding.cpp

diff --git a/ir_constant_folding.cpp b/ir_constant_folding.cpp
index 1b53440669f6134c7cd20fd07dfa2158d2872bd6..913d42f0d9aa12a4aa3ba81b9b70ad35fcd76d68 100644 (file)
--- a/ir_constant_folding.cpp
+++ b/ir_constant_folding.cpp
@@ -29,13 +29,49 @@
 #define NULL 0
 #include "ir.h"
 #include "ir_visitor.h"
-#include "ir_constant_folding.h"
+#include "ir_optimization.h"
 #include "glsl_types.h"
 
 /**
  * Visitor class for replacing expressions with ir_constant values.
  */
 
+class ir_constant_folding_visitor : public ir_visitor {
+public:
+   ir_constant_folding_visitor()
+   {
+      /* empty */
+   }
+
+   virtual ~ir_constant_folding_visitor()
+   {
+      /* empty */
+   }
+
+   /**
+    * \name Visit methods
+    *
+    * As typical for the visitor pattern, there must be one \c visit method for
+    * each concrete subclass of \c ir_instruction.  Virtual base classes within
+    * the hierarchy should not have \c visit methods.
+    */
+   /*@{*/
+   virtual void visit(ir_variable *);
+   virtual void visit(ir_function_signature *);
+   virtual void visit(ir_function *);
+   virtual void visit(ir_expression *);
+   virtual void visit(ir_swizzle *);
+   virtual void visit(ir_dereference *);
+   virtual void visit(ir_assignment *);
+   virtual void visit(ir_constant *);
+   virtual void visit(ir_call *);
+   virtual void visit(ir_return *);
+   virtual void visit(ir_if *);
+   virtual void visit(ir_loop *);
+   virtual void visit(ir_loop_jump *);
+   /*@}*/
+};
+
 void
 ir_constant_folding_visitor::visit(ir_variable *ir)
 {
@@ -152,3 +188,14 @@ ir_constant_folding_visitor::visit(ir_loop_jump *ir)
 {
    (void) ir;
 }
+
+bool
+do_constant_folding(exec_list *instructions)
+{
+   ir_constant_folding_visitor constant_folding;
+
+   visit_exec_list(instructions, &constant_folding);
+
+   /* FINISHME: Return real progress. */
+   return false;
+}